CN102500141B - Sewage precipitation tank online washing machine, device for online washing of sewage precipitation tank and recycling of crude oil and using method - Google Patents
Sewage precipitation tank online washing machine, device for online washing of sewage precipitation tank and recycling of crude oil and using method Download PDFInfo
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- CN102500141B CN102500141B CN201110334121.6A CN201110334121A CN102500141B CN 102500141 B CN102500141 B CN 102500141B CN 201110334121 A CN201110334121 A CN 201110334121A CN 102500141 B CN102500141 B CN 102500141B
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- 238000001556 precipitation Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000010779 crude oil Substances 0.000 title claims abstract description 10
- 238000005406 washing Methods 0.000 title abstract 11
- 238000004064 recycling Methods 0.000 title abstract 3
- 238000004140 cleaning Methods 0.000 claims abstract description 87
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 31
- 239000004576 sand Substances 0.000 claims description 30
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- 238000006073 displacement reaction Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 20
- 239000003921 oil Substances 0.000 claims description 20
- 238000011084 recovery Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 17
- 239000003208 petroleum Substances 0.000 claims description 16
- 239000003082 abrasive agent Substances 0.000 claims description 15
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 8
- 239000006004 Quartz sand Substances 0.000 claims description 8
- 239000000701 coagulant Substances 0.000 claims description 8
- -1 H 2s Inorganic materials 0.000 claims description 7
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- 238000010438 heat treatment Methods 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 239000004111 Potassium silicate Substances 0.000 claims description 3
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- 102220470372 Thymosin beta-10_K12A_mutation Human genes 0.000 claims description 3
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- 230000000505 pernicious effect Effects 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- ONJQDTZCDSESIW-UHFFFAOYSA-N polidocanol Chemical compound CCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO ONJQDTZCDSESIW-UHFFFAOYSA-N 0.000 claims description 3
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- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
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- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 3
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Abstract
The invention relates to the technical field of sewage precipitation tank washing and crude oil recycling, in particular to a sewage precipitation tank online washing machine, a device for online washing of the sewage precipitation tank and recycling of crude oil and a using method. The sewage precipitation tank online washing machine comprises a car body, a washing device, a small car power transmission device, a power device of the cleaning device and a motor control device. Two front wheels and two back wheels are installed at the bottom of the car body, a cleaning device installation support is fixedly installed at the front end of the car body, and a first motor and a second motor are fixedly installed in the car body. The cleaning device comprises a high pressure flexible pipe, a cleaning nozzle, an oscillating rod, a sliding block, a connection rod, a crank handle and a transmission shaft. The sewage precipitation tank online washing machine is reasonable and compact in structure and achieves the effect that a cleaning small car walks and steers and in the tank, and the cleaning nozzle swings in reciprocating mode by controlling the three motors in the sewage precipitation tank online washing machine. Produced sewage is directly absorbed out of the tank through the siphoning effect, so that the sewage precipitation tank online washing machine can conduct online cleaning. The sewage precipitation tank online washing machine is high in working efficiency and reduces labor intensity, safety hazards and manual cost.
Description
Technical field
the present invention relates to sewage precipitation tank and clean and crude oil recovery technical field, is a kind of sewage precipitation tank on-line cleaning machine and sewage precipitation tank on-line cleaning and type petroleum crude recovery device and using method.
Background technology
sewage precipitation tank is in accumulating is produced for a long time, a small amount of mechanical admixture in oil product, the grains of sand, earth, heavy metal salt and paraffin and asphalitine etc. weigh oily components meeting because of difference in specific gravity and natural subsidence, be accumulated in tank base, form colloid substance layer, be Water Tank settling tank bed mud.In tank body bed mud, be rich in organic matter, composition is very complicated, can not directly discharge disposal.Little to systematic influence in short time after this part sludge settling, but along with the growth of continuous accumulating time, oil sludge increases gradually, in the course of time, has a strong impact on the accumulating production of Water Tank settling tank and the water treatment of system, must regularly remove.Because the starting of China's oil petrochemical industry is late, tank body cleaning technique and advanced international standard also exist a certain distance, and many oil plants still rest on the real production phase of artificial clear mud cleaning of evaporator.Just have some scientific research institutions recent years in research experiment and the application study to advanced foreign technology, indivedual oil plants are carrying out the production domesticization of tank body automatic cleaning technology and are exploring.At present the main tank body cleaning technique of domestic application has: labor cleaning's method, negative pressure mud exhauster spoil disposal technology, static pressure perforated pipe spoil disposal technology and waterpower suction method spoil disposal, but inefficiency, blowdown flow rate is large, investment for trnasforming urban land is large, maintenance difficulties is large, quantities is many, operate relative complex and personal security can not be guaranteed.
Summary of the invention
the invention provides a kind of sewage precipitation tank on-line cleaning machine and sewage precipitation tank on-line cleaning and type petroleum crude recovery device and using method, overcome the deficiency of above-mentioned prior art, the problem that it can effectively solve existing cleaning device inefficiency, blowdown flow rate is large, investment for trnasforming urban land is large, maintenance difficulties is large, quantities is many, operation relative complex and personal security can not be guaranteed.
one of technical scheme of the present invention realizes by following measures: a kind of sewage precipitation tank on-line cleaning machine, comprises car body, cleaning device, dolly actuating unit, cleaning device power set and motor control assembly; Bottom at car body is separately installed with two front vehicle wheels and two rear wheels from A-P, at the front end of car body, is installed with cleaning device installing rack, is installed with the first motor and the second motor in car body; Cleaning device comprises high-pressure hose, washer jet, fork, slide block, connecting rod, crank and power transmission shaft; The power output shaft of one end of power transmission shaft and the first motor is fixedly installed togather by shaft coupling, the other end of power transmission shaft is positioned at cleaning device installing rack and is installed with crank, in cleaning device installing rack, be installed with guide rail, slide block is arranged on guide rail and can slides along guide rail, on crank, be hinged with connecting rod, outer end and the slide block of connecting rod are hinged, have the fork being fixed together with slide block on the guide rail away from slide block one side, are installed with washer jet on fork; In cleaning device installing rack, be installed with hydrops cover, in the upper end of hydrops cover, have siphon port; The power intake of the clutch end of the second motor and dolly actuating unit is fixedly installed togather; Clutch end and the rear wheel of dolly actuating unit are installed together; The signal output part of motor control assembly is electrically connected with the signal input part of the control device of controlling the first motor and the unlatching of the second motor, closing respectively by wire.
the further optimization and/or improvements to one of technical scheme below:
in above-mentioned car body, can be installed with the 3rd motor, dolly transfer is installed on car body, the power intake of the clutch end of the 3rd motor and dolly transfer is fixedly installed togather; Clutch end and the front vehicle wheel of dolly transfer are installed together; The signal output part of motor control assembly is electrically connected by the signal input part of wire the 3rd motor.
above-mentioned front vehicle wheel and rear wheel all can be anti-pulley.
two of technical scheme of the present invention realizes by following measures: a kind of sewage precipitation tank on-line cleaning and type petroleum crude recovery device, comprise plunger displacement pump, motor, water tank, sewage precipitation tank on-line cleaning machine, the first Centrifugal Sand Pumps, greasy filth agitator, the second Centrifugal Sand Pumps, mixing agitator, Cyclonic reactor, filter press, abrasive can and sewage precipitation tank, sewage precipitation tank on-line cleaning machine is positioned at sewage precipitation tank, plunger Pump and Electromotor is installed together, on the water sucking mouth of plunger displacement pump, be installed with the first pipeline, the other end of the first pipeline is positioned at water tank, between the washer jet of plunger displacement pump and sewage precipitation tank on-line cleaning machine, by the second pipeline, be fixed together, between the siphon port of sewage precipitation tank on-line cleaning machine and the first Centrifugal Sand Pumps, by the 3rd pipeline, be fixed together, between the first Centrifugal Sand Pumps and greasy filth whip topping, by the 4th pipeline, be fixed together, greasy filth stirs top and the second Centrifugal Sand Pumps is fixed together by the 5th pipeline, between the second Centrifugal Sand Pumps and mixing agitator, by the 6th pipeline, be fixed together, between mixing agitator and Cyclonic reactor, by the 7th pipeline, be fixed together, between Cyclonic reactor lower end and filter press, by the 8th pipeline, be fixed together, on the first pipeline, be installed with filter, on the second pipeline, be installed with Pressure gauge, between the second pipeline after Pressure gauge and abrasive can, be fixedly connected with the first connecting line, between the bottom of abrasive can and the second pipeline being connected before sewage precipitation tank on-line cleaning machine, be fixedly connected with the second connecting line, between the 3rd pipeline and the 4th pipeline, be fixedly connected with the 6th connecting line, between greasy filth whip topping and Cyclonic reactor, be connected with the 7th connecting line, the top of abrasive can, the top of greasy filth agitator and the top of mixing agitator are installed with respectively funnel, on the first connecting line, be installed with successively choke valve and check valve, on the second connecting line, be installed with stop valve.
the further optimization and/or improvements to two of technical scheme below:
between the first connecting line between above-mentioned abrasive can and choke valve, be fixedly connected with the 3rd connecting line, between the second pipeline between Pressure gauge and the first connecting line and water tank, be fixedly connected with the 4th connecting line, between the second pipeline between plunger displacement pump and Pressure gauge and the 4th connecting line, be fixedly connected with the 5th connecting line, on the 3rd connecting line, be installed with choke valve, the junction of the 4th connecting line and the 5th connecting line is installed with overflow valve, on the 5th pipeline, be installed with stop valve, the 6th pipeline, on the 7th pipeline, be installed with respectively check valve, on the 6th connecting line, be installed with check (non-return) valve.
three of technical scheme of the present invention realizes by following measures: the using method of a kind of sewage precipitation tank on-line cleaning and type petroleum crude recovery device: carry out in the steps below:
(1) open the manhole of sewage precipitation tank, standing 5 minutes to 10 minutes, the CO in effluent sewerage settling tank, SO
2
, H
2
s, NO
2
deng pernicious gas; With gas detecting instrument, detect manhole place harmful gas concentration, concentration is lower than 5mg/m
3
for safety standard;
(2) car body connecting with equipment, pipeline is slowly transferred to tank body bottom from the manhole of sewage precipitation tank;
(3) start valve, pilot plunger pump discharge: open successively choke valve and check valve, start plunger displacement pump, clear water enters plunger displacement pump from water tank through filter and carries out supercharging speed-raising; Open overflow valve, regulating each valve to make the working flow of plunger displacement pump is 50 to 200L/min, and operating pressure is 40 to 70MPa, Pressure gauge monitoring pipe flowing pressure;
(4) clean settling tank: in funnel, add abrasive material configuration liquid, this abrasive material configuration liquid comprises abrasive material and water, abrasive material is quartz sand, in configuration liquid, the proportion of the relative water of quartz sand is 0.2 g/L to 2g/L, opening stop valve after it mixes in abrasive can, the abundant mixed high-pressure spray erosion liquid of High-Pressure Water and abrasive material is penetrated by washer jet, forms Pulsed Abrasive Water Jet; Starter motor control device is controlled the moving line of car body at the bottom of tank in sewage precipitation tank; Each position of cleaning sullage settling tank bottom;
(5) siphon jet carburetion mud: car body in operation at the bottom of tank 5 to 15min, high-pressure spray to sewage precipitation tank at the bottom of greasy filth carry out fragmentation, centrifugation, and make it reach fluidized state, and open check (non-return) valve, the mixtures such as tank underflow carburetion mud enter into greasy filth agitator by the 3rd pipeline; If siphon insufficient pressure, under the prerequisite of opening at check (non-return) valve, the first Centrifugal Sand Pumps time 3 of opening, to 5min, goes out after stream is stablized to close the first Centrifugal Sand Pumps until siphon;
(6) by funnel, to greasy filth agitator, add respectively clear water and treatment fluid, the weight ratio that adds water/treatment fluid is 3 to 10:1;
the configuration concentration for the treatment of fluid is 1000 to 80000ppm;
treatment fluid comprises and accounts for 0.01 to 10wt% silicate for the treatment of fluid gross weight, 0.5 to 10wt% non-ionic surface active agent, 1 to 10wt% anion surfactant sodium alkyl benzene sulfonate, 0.001 to 10wt% sodium phosphate and 0.001 to 10wt% alkali compounds potassium tert-butoxide, and all the other are clear water;
(7) the greasy filth mixture of step (6) is heated, mixture is heated up 30 to 60 ℃, in this temperature, stir 0.5 to 4 hour, during stirring, close motor; Greasy filth fully mixes with the mud mixture for the treatment of fluid, and the crude oil in mud by wash-out out;
(8) after the processing of step (7), greasy filth mixture enters into mixing agitator by the second Centrifugal Sand Pumps, and mixture all enters into after mixing agitator, actuating motor; Stir on mixing agitator limit, and limit adds coagulant by funnel in mixing agitator, reacts 5 to 20min, then adds 4 to 15ppm PAMC PAM, then stirs 5 to 10min, carries out Separation of Solid and Liquid;
described coagulant is aluminium system or ferric flocculant, and addition is 20 to 300mg/L; Described Separation of Solid and Liquid is carried out in Cyclonic reactor, at the hydraulic detention time of Cyclonic reactor, is 5min, and after cyclonic action, solidliquid mixture is divided into 3 layers, and upper strata is the sump oil of separating, and middle level is sewage layer, and bottom is mud; The sump oil obtaining enters contaminated-oil basin or collects oil storage tank, reclaims; The sewage obtaining enters the greasy filth agitator of step (6), in the treatment process of upper oily sludge once, is re-used again; The mud oil concentration obtaining is less than 1wt%, enters filter press, waits to solidify and processes or discharge;
(9) through the processing of step (8), mud enters in filter press, and after solidify processing, liquid phase enters sewage treatment plant and processes, and solid phase is sent into and in incinerator, burnt or mix in coal for processing type caking agent of coal after preliminary airing.
the further optimization and/or improvements to three of technical scheme below:
above-mentioned (4) are cleaned in the step of settling tank, and in configuration liquid, the proportion of the relative water of quartz sand can be 0.5 to 1 g/L; Or/and in the step of above-mentioned (5) siphon jet carburetion mud, car body activity duration at the bottom of tank is 8 to 12min.
in above-mentioned (6) step, add the weight ratio of water/treatment fluid to can be 5 to 6:1; The configuration concentration for the treatment of fluid is 3000 to 30000ppm; Silicate be sodium metasilicate or/and potassium silicate or/and ammonium silicate; Non-ionic surface active agent be AES or/and AESA or/and K12 or/and K12A or/and AEO-3 or/and AEO-5 or/and AEO-7 or/and AEO-9.
in above-mentioned (7) step, can make mixture heat up 45 to 55 ℃, in this temperature, stir 1 to 2 hour; Greasy filth fully mixes with the mud mixture for the treatment of fluid, and the crude oil in mud by wash-out out; Above-mentioned mode of heating is the electric heater that greasy filth agitator carries, or carries out water-bath by steam or hot water; Or/and in (8) step, described coagulant is aluminium polychloride PAC or polyaluminium sulfate PAS or polymer phosphate aluminium PAP or poly-aluminum chloride sulphate or polyphosphoric acid aluminium chloride or FeSO
4
7H
2
o or Fe (NO
3) 3
9H
2
o.
reasonable and compact in structure of the present invention, by control three motors in sewage precipitation tank on-line cleaning machine realize clean the walking of dollies in tank, turn to, the reciprocally swinging of washer jet, the soiling solution producing is by outside the direct sucking-off tank of siphonage, so energy on-line cleaning, not only operating efficiency is high, has also reduced labour intensity, potential safety hazard and cost of labor.
Accompanying drawing explanation
accompanying drawing 1 is not for there is no the perspective view of cleaning device and cleaning device installing rack in the embodiment of the present invention 1.
accompanying drawing 2 is the perspective view of cleaning device and cleaning device installing rack in the embodiment of the present invention 1.
accompanying drawing 3 is the process flow diagram of the embodiment of the present invention 2.
coding in accompanying drawing is respectively: 1 is plunger displacement pump, 2 is motor, 3 is water tank, 4 is the first pipeline, 5 for cleaning dolly, 6 is the second pipeline, 7 is the first Centrifugal Sand Pumps, 8 is the 3rd pipeline, 9 is greasy filth agitator, 10 is the 4th pipeline, 11 is the second Centrifugal Sand Pumps, 12 is the 5th pipeline, 13 is mixing agitator, 14 is the 6th pipeline, 15 is Cyclonic reactor, 16 is the 7th pipeline, 17 is filter press, 18 is the 8th pipeline, 19 is filter, 20 is Pressure gauge, 21 is abrasive can, 22 is funnel, 23 is the first connecting line, 24 is the second connecting line, 25 is the 3rd connecting line, 26 is the 4th connecting line, 27 is the 5th connecting line, 28 is the 6th connecting line, 29 is the 7th connecting line, 30 is choke valve, 31 is check valve, 32 is overflow valve, 33 is stop valve, 34 is check (non-return) valve, 35 is car body, 36 is transmission device, 37 is front vehicle wheel, 38 is rear wheel, 39 is cleaning device installing rack, 40 is washer jet, 41 is fork, 42 is slide block, 43 is connecting rod, 44 is crank, 45 is power transmission shaft, 46 is guide rail, 47 is hydrops cover, 48 is siphon port, 49 is dolly transfer, 50 is sewage precipitation tank.
The specific embodiment
the present invention is not subject to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and actual conditions.
in the present invention, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the invention will be further described:
embodiment 1: as shown in accompanying drawing 1,2, this sewage precipitation tank on-line cleaning machine comprises car body 35, cleaning device, dolly actuating unit 36, cleaning device power set and motor control assembly; Bottom at car body 35 is separately installed with two front vehicle wheels 37 and two rear wheels 38 from A-P, at the front end of car body 35, is installed with cleaning device installing rack 39, is installed with the first motor and the second motor in car body 35; Cleaning device comprises high-pressure hose, washer jet 40, fork 41, slide block 42, connecting rod 43, crank 44 and power transmission shaft 45; The power output shaft of one end of power transmission shaft 45 and the first motor is fixedly installed togather by shaft coupling, the other end of power transmission shaft 45 is positioned at cleaning device installing rack 39 and is installed with crank 44, in cleaning device installing rack 39, be installed with guide rail 46, slide block 42 is arranged on guide rail 46 and can slides along guide rail 46, on crank 44, be hinged with connecting rod 43, the outer end of connecting rod 43 and slide block 42 are hinged, on the guide rail 46 away from slide block 42 1 sides, there is the fork 41 being fixed together with slide block 42, on fork 41, be installed with washer jet 40; In cleaning device installing rack 39, be installed with hydrops cover 47, in the upper end of hydrops cover 47, have siphon port 48; The power intake of the clutch end of the second motor and dolly actuating unit 36 is fixedly installed togather; The clutch end of dolly actuating unit 36 and rear wheel 38 are installed together; The signal output part of motor control assembly is electrically connected with the signal input part of the control device of controlling the first motor and the unlatching of the second motor, closing respectively by wire.
can according to actual needs, above-mentioned sewage precipitation tank on-line cleaning and type petroleum crude recovery device be made further optimization and/or improvements:
as shown in Figure 1, in car body 35, be installed with the 3rd motor, the clutch end of dolly transfer 49, the three motors be installed on car body 35 and the power intake of dolly transfer 49 is fixedly installed togather; The clutch end of dolly transfer 49 and front vehicle wheel 37 are installed together; The signal input part of the control device that the signal output part of motor control assembly is opened, closed by wire and control the 3rd motor is electrically connected.
as shown in Figure 1, front vehicle wheel 37 and rear wheel 38 are anti-pulley.
embodiment 2: as shown in Figure 3, this sewage precipitation tank on-line cleaning and type petroleum crude recovery device comprise plunger displacement pump 1, motor 2, water tank 3, sewage precipitation tank on-line cleaning machine 5, the first Centrifugal Sand Pumps 7, greasy filth agitator 9, the second Centrifugal Sand Pumps 11, mixing agitator 13, Cyclonic reactor 15, filter press 17, abrasive can 21 and sewage precipitation tank 50, sewage precipitation tank on-line cleaning machine 5 is positioned at sewage precipitation tank 50, plunger displacement pump 1 is installed together with motor 2, on the water sucking mouth of plunger displacement pump 1, be installed with the first pipeline 4, the other end of the first pipeline 4 is positioned at water tank 3, between the washer jet 40 of plunger displacement pump 1 and sewage precipitation tank on-line cleaning machine 5, by the second pipeline 6, be fixed together, between the siphon port 48 of sewage precipitation tank on-line cleaning machine 5 and the first Centrifugal Sand Pumps 7, by the 3rd pipeline 8, be fixed together, between the first Centrifugal Sand Pumps 7 and greasy filth agitator 9 tops, by the 4th pipeline 10, be fixed together, greasy filth agitator 9 tops and the second Centrifugal Sand Pumps 11 are fixed together by the 5th pipeline 12, between the second Centrifugal Sand Pumps 11 and mixing agitator 13, by the 6th pipeline 14, be fixed together, between mixing agitator 13 and Cyclonic reactor 15, by the 7th pipeline 16, be fixed together, between Cyclonic reactor 15 lower ends and filter press 17, by the 8th pipeline 18, be fixed together, on the first pipeline 4, be installed with filter 19, on the second pipeline 6, be installed with Pressure gauge 20, between the second pipeline 6 after Pressure gauge 20 and abrasive can 21, be fixedly connected with the first connecting line 23, between the bottom of abrasive can 21 and the second pipeline 6 being connected before sewage precipitation tank on-line cleaning machine 5, be fixedly connected with the second connecting line 24, between the 3rd pipeline 8 and the 4th pipeline 10, be fixedly connected with the 6th connecting line 28, between greasy filth agitator 9 tops and Cyclonic reactor 15, be connected with the 7th connecting line 29, the top of abrasive can 21, the top of the top of greasy filth agitator 9 and mixing agitator 13 is installed with respectively funnel 22, on the first connecting line 23, be installed with successively choke valve 30 and check valve 31, on the second connecting line 24, be installed with stop valve 33.
can according to actual needs, above-mentioned sewage precipitation tank on-line cleaning and type petroleum crude recovery device be made further optimization and/or improvements:
as shown in Figure 1, between the first connecting line 23 between abrasive can 21 and choke valve, be fixedly connected with the 3rd connecting line 25, between the second pipeline 6 between Pressure gauge 20 and the first connecting line 23 and water tank 3, be fixedly connected with the 4th connecting line 26, between the second pipeline 6 between plunger displacement pump 1 and Pressure gauge 20 and the 4th connecting line 26, be fixedly connected with the 5th connecting line 27, on the 3rd connecting line 25, be installed with choke valve 30, the junction of the 4th connecting line 26 and the 5th connecting line 27 is installed with overflow valve 32, on the 5th pipeline 12, be installed with stop valve 33, the 6th pipeline 14, on the 7th pipeline 16, be installed with respectively check valve 31, on the 6th connecting line 28, be installed with check (non-return) valve 34.
embodiment 3: the using method of a kind of sewage precipitation tank on-line cleaning and type petroleum crude recovery device: (1) opens the manhole of sewage precipitation tank 50, standing 5 to 10min, the CO in effluent sewerage settling tank 50, SO
2
, H
2
s, NO
2
deng pernicious gas; With gas detecting instrument, detect manhole place harmful gas concentration, concentration is lower than 5mg/m
3
for safety standard.
(2) car body 35 connecting with equipment, pipeline is slowly transferred to tank body bottom from the manhole of sewage precipitation tank 50.
(3) start valve, pilot plunger pump 1 flow: open successively choke valve 30 and check valve 31, start plunger displacement pump 1, clear water enters plunger displacement pump 1 from water tank 3 through filter 19 and carries out supercharging speed-raising; Open overflow valve 32, regulating each valve to make the working flow of plunger displacement pump 1 is 50 to 200L/min, and operating pressure is 40 to 70MPa, Pressure gauge 20 monitoring pipe flowing pressures.
(4) clean settling tank: in funnel 22, add abrasive material configuration liquid, this abrasive material configuration liquid comprises abrasive material and water, abrasive material is quartz sand, in configuration liquid, the proportion of the relative water of quartz sand is 0.2 g/L to 2g/L, best proportion is 0.5 to 1 g/L, opening stop valve 33 after it mixes in abrasive can 21, the abundant mixed high-pressure spray erosion liquid of High-Pressure Water and abrasive material is penetrated by washer jet 40, forms Pulsed Abrasive Water Jet; Starter motor control device is controlled the moving line of the interior car body 35 of sewage precipitation tank 50 at the bottom of tank; Each position of cleaning sullage settling tank 50 bottoms.
(5) siphon jet carburetion mud: car body 35 in operation at the bottom of tank 5 to 15min, the optimal selection time is 8 to 12min, high-pressure spray carries out fragmentation, centrifugation to 50 end of sewage precipitation tank greasy filth, and make it reach fluidized state, open check (non-return) valve 34, the mixtures such as tank underflow carburetion mud enter into greasy filth agitator 9 by the 3rd pipeline 8; If siphon insufficient pressure, under the prerequisite of opening at check (non-return) valve 34, first 7 times 3 of Centrifugal Sand Pumps of opening, to 5min, go out after stream is stablized to close the first Centrifugal Sand Pumps 7 until siphon.
(6) by funnel 22, to greasy filth agitator 9, add respectively clear water and treatment fluid, the weight ratio that adds water/treatment fluid is 3 to 10:1; Optimum weight ratio is 5 to 6:1;
the configuration concentration for the treatment of fluid is 1000 to 80000ppm; Best configuration concentration is 3000 to 30000ppm;
treatment fluid comprises 0.01 to 10wt% the silicate (sodium metasilicate that accounts for treatment fluid gross weight, potassium silicate, ammonium silicate), 0.5 to 10wt% non-ionic surface active agent (AES, AESA, K12, K12A, AEO-3, AEO-5, AEO-7, AEO-9), 1 to 10wt% anion surfactant sodium alkyl benzene sulfonate, 0.001 to 10wt% sodium phosphate and 0.001 to 10wt% alkali compounds potassium tert-butoxide, all the other are clear water.
(7) the greasy filth mixture of step (6) is heated, make 30 to 60 ℃ (preferably 45 to 55 ℃) of mixture intensification, in this temperature, stir 0.5 to 4 hour (preferably 1 to 2 hour), during stirring, close motor; Greasy filth fully mixes with the mud mixture for the treatment of fluid, and the crude oil in mud by wash-out out;
above-mentioned mode of heating is the electric heater that greasy filth agitator 9 carries, or carries out water-bath by steam or hot water;
(8) after the processing of step (7), greasy filth mixture enters into mixing agitator 13 by the second Centrifugal Sand Pumps 11, and mixture all enters into after mixing agitator 13, actuating motor; Stir on mixing agitator 13 limits, and limit adds coagulant by funnel 22 in mixing agitator 13, reacts 5 to 20min, then adds 4 to 15ppm PAMC (PAM), then stirs 5 to 10min, carries out Separation of Solid and Liquid;
described coagulant is aluminium system or ferric flocculant (aluminium polychloride PAC, polyaluminium sulfate PAS, polymer phosphate aluminium PAP, poly-aluminum chloride sulphate, polyphosphoric acid aluminium chloride, FeSO
4
7H
2
o and Fe (NO
3
)
3
9H
2
o), addition is 20 to 300mg/L;
described Separation of Solid and Liquid is carried out in Cyclonic reactor, at the hydraulic detention time of Cyclonic reactor, is 5min, and after cyclonic action, solidliquid mixture is divided into 3 layers, and upper strata is the sump oil of separating, and middle level is sewage layer, and bottom is mud; The sump oil obtaining enters contaminated-oil basin or collects oil storage tank, reclaims; The sewage obtaining enters the greasy filth agitator of step (6), in the treatment process of upper oily sludge once, is re-used again; The mud oil concentration obtaining is less than 1wt%, enters filter press, waits to solidify and processes or discharge.
(9) through the processing of step (8), mud enters in filter press 17, and after solidify processing, liquid phase enters sewage treatment plant and processes, and solid phase is sent into and in incinerator, burnt or mix in coal for processing type caking agent of coal after preliminary airing.
in the present invention: motor control assembly can adopt existing known technology, as: by industrial computer control three motors in sewage precipitation tank on-line cleaning machine realize clean the walking of dollies in tank, turn to, the reciprocally swinging of washer jet.
above technical characterictic has formed embodiments of the invention, and it has stronger adaptability and implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
Claims (10)
1. a sewage precipitation tank on-line cleaning machine, is characterized in that comprising car body, cleaning device, dolly actuating unit, cleaning device power set and motor control assembly; Bottom at car body is separately installed with two front vehicle wheels and two rear wheels from A-P, at the front end of car body, is installed with cleaning device installing rack, is installed with the first motor and the second motor in car body; Cleaning device comprises high-pressure hose, washer jet, fork, slide block, connecting rod, crank and power transmission shaft; The power output shaft of one end of power transmission shaft and the first motor is fixedly installed togather by shaft coupling, the other end of power transmission shaft is positioned at cleaning device installing rack and is installed with crank, in cleaning device installing rack, be installed with guide rail, slide block is arranged on guide rail and can slides along guide rail, on crank, be hinged with connecting rod, outer end and the slide block of connecting rod are hinged, have the fork being fixed together with slide block on the guide rail away from slide block one side, are installed with washer jet on fork; In cleaning device installing rack, be installed with hydrops cover, in the upper end of hydrops cover, have siphon port; The power intake of the clutch end of the second motor and dolly actuating unit is fixedly installed togather; Clutch end and the rear wheel of dolly actuating unit are installed together; The signal output part of motor control assembly is electrically connected with the signal input part of the control device of controlling the first motor and the unlatching of the second motor, closing respectively by wire.
2. sewage precipitation tank on-line cleaning machine according to claim 1, it is characterized in that being installed with in car body the 3rd motor, dolly transfer is installed on car body, and the power intake of the clutch end of the 3rd motor and dolly transfer is fixedly installed togather; Clutch end and the front vehicle wheel of dolly transfer are installed together; The signal input part of the control device that the signal output part of motor control assembly is opened, closed by wire and control the 3rd motor is electrically connected.
3. sewage precipitation tank on-line cleaning machine according to claim 2, is characterized in that front vehicle wheel and rear wheel are anti-pulley.
4. right to use requires sewage precipitation tank on-line cleaning and a type petroleum crude recovery device for sewage precipitation tank on-line cleaning machine described in 1 or 2 or 3, it is characterized in that comprising plunger displacement pump, motor, water tank, sewage precipitation tank on-line cleaning machine, the first Centrifugal Sand Pumps, greasy filth agitator, the second Centrifugal Sand Pumps, mixing agitator, Cyclonic reactor, filter press, abrasive can and sewage precipitation tank, sewage precipitation tank on-line cleaning machine is positioned at sewage precipitation tank, plunger Pump and Electromotor is installed together, on the water sucking mouth of plunger displacement pump, be installed with the first pipeline, the other end of the first pipeline is positioned at water tank, between the washer jet of plunger displacement pump and sewage precipitation tank on-line cleaning machine, by the second pipeline, be fixed together, between the siphon port of sewage precipitation tank on-line cleaning machine and the first Centrifugal Sand Pumps, by the 3rd pipeline, be fixed together, between the first Centrifugal Sand Pumps and greasy filth whip topping, by the 4th pipeline, be fixed together, greasy filth stirs top and the second Centrifugal Sand Pumps is fixed together by the 5th pipeline, between the second Centrifugal Sand Pumps and mixing agitator, by the 6th pipeline, be fixed together, between mixing agitator and Cyclonic reactor, by the 7th pipeline, be fixed together, between Cyclonic reactor lower end and filter press, by the 8th pipeline, be fixed together, on the first pipeline, be installed with filter, on the second pipeline, be installed with Pressure gauge, between the second pipeline after Pressure gauge and abrasive can, be fixedly connected with the first connecting line, between the bottom of abrasive can and the second pipeline being connected before sewage precipitation tank on-line cleaning machine, be fixedly connected with the second connecting line, between the 3rd pipeline and the 4th pipeline, be fixedly connected with the 6th connecting line, between greasy filth whip topping and Cyclonic reactor, be connected with the 7th connecting line, the top of abrasive can, the top of greasy filth agitator and the top of mixing agitator are installed with respectively funnel, on the first connecting line, be installed with successively choke valve and check valve, on the second connecting line, be installed with stop valve.
5. sewage precipitation tank on-line cleaning according to claim 4 and type petroleum crude recovery device, it is characterized in that being fixedly connected with between the first connecting line between abrasive can and choke valve the 3rd connecting line, between the second pipeline between Pressure gauge and the first connecting line and water tank, be fixedly connected with the 4th connecting line, between the second pipeline between plunger displacement pump and Pressure gauge and the 4th connecting line, be fixedly connected with the 5th connecting line, on the 3rd connecting line, be installed with choke valve, the junction of the 4th connecting line and the 5th connecting line is installed with overflow valve, on the 5th pipeline, be installed with stop valve, the 6th pipeline, on the 7th pipeline, be installed with respectively check valve, on the 6th connecting line, be installed with check (non-return) valve.
6. according to any described sewage precipitation tank on-line cleaning and a using method for type petroleum crude recovery device in claim 4 to 5, it is characterized in that carrying out in the steps below:
(1) open the manhole of sewage precipitation tank, standing 5 minutes to 10 minutes, the CO in effluent sewerage settling tank, SO
2, H
2s, NO
2deng pernicious gas; With gas detecting instrument, detect manhole place harmful gas concentration, concentration is lower than 5mg/m
3for safety standard;
(2) car body connecting with equipment, pipeline is slowly transferred to tank body bottom from the manhole of sewage precipitation tank;
(3) start valve, pilot plunger pump discharge: open successively choke valve and check valve, start plunger displacement pump, clear water enters plunger displacement pump from water tank through filter and carries out supercharging speed-raising; Open overflow valve, regulating each valve to make the working flow of plunger displacement pump is 50 to 200L/min, and operating pressure is 40 to 70MPa, Pressure gauge monitoring pipe flowing pressure;
(4) clean settling tank: in funnel, add abrasive material configuration liquid, this abrasive material configuration liquid comprises abrasive material and water, abrasive material is quartz sand, in configuration liquid, the proportion of the relative water of quartz sand is 0.2 g/L to 2g/L, opening stop valve after it mixes in abrasive can, the abundant mixed high-pressure spray erosion liquid of High-Pressure Water and abrasive material is penetrated by washer jet, forms Pulsed Abrasive Water Jet; Starter motor control device is controlled the moving line of car body at the bottom of tank in sewage precipitation tank; Each position of cleaning sullage settling tank bottom;
(5) siphon jet carburetion mud: car body in operation at the bottom of tank 5 to 15min, high-pressure spray to sewage precipitation tank at the bottom of greasy filth carry out fragmentation, centrifugation, and make it reach fluidized state, and open check (non-return) valve, tank underflow carburetion mud mixture enters into greasy filth agitator by the 3rd pipeline; If siphon insufficient pressure, under the prerequisite of opening at check (non-return) valve, the first Centrifugal Sand Pumps time 3 of opening, to 5min, goes out after stream is stablized to close the first Centrifugal Sand Pumps until siphon;
(6) by funnel, to greasy filth agitator, add respectively clear water and treatment fluid, the weight ratio that adds clear water and treatment fluid is 3 to 10:1; The configuration concentration for the treatment of fluid is 1000 to 80000ppm; Treatment fluid comprises and accounts for 0.01 to 10wt% silicate for the treatment of fluid gross weight, 0.5 to 10wt% non-ionic surface active agent, 1 to 10wt% anion surfactant sodium alkyl benzene sulfonate, 0.001 to 10wt% sodium phosphate and 0.001 to 10wt% alkali compounds potassium tert-butoxide, and all the other are clear water;
(7) the greasy filth mixture of step (6) is heated, mixture is heated up 30 to 60 ℃, in this temperature, stir 0.5 to 4 hour, during stirring, close motor; Greasy filth fully mixes with the greasy filth mixture of clear water and treatment fluid, and the crude oil in mud by wash-out out;
(8) after the processing of step (7), greasy filth mixture enters into mixing agitator by the second Centrifugal Sand Pumps, and mixture all enters into after mixing agitator, actuating motor; Stir on mixing agitator limit, and limit adds coagulant by funnel in mixing agitator, reacts 5 to 20min, then adds 4 to 15ppm PAMC PAM, then stirs 5 to 10min, carries out Separation of Solid and Liquid;
Described coagulant is aluminium system or ferric flocculant, and addition is 20 to 300mg/L; Described Separation of Solid and Liquid is carried out in Cyclonic reactor, at the hydraulic detention time of Cyclonic reactor, is 5min, and after cyclonic action, solidliquid mixture is divided into 3 layers, and upper strata is the sump oil of separating, and middle level is sewage layer, and bottom is mud; The sump oil obtaining enters contaminated-oil basin or collects oil storage tank, reclaims; The sewage obtaining enters the greasy filth agitator of step (6), in the treatment process of upper oily sludge once, is re-used again; The mud oil concentration obtaining is less than 1wt%, enters filter press, waits to solidify and processes or discharge;
(9) through the processing of step (8), mud enters in filter press, and after solidify processing, liquid phase enters sewage treatment plant and processes, and solid phase is sent into and in incinerator, burnt or mix in coal for processing type caking agent of coal after preliminary airing;
Wherein: silicate be sodium metasilicate or/and potassium silicate or/and ammonium silicate; Non-ionic surface active agent be AES or/and AESA or/and K12 or/and K12A or/and AEO-3 or/and AEO-5 or/and AEO-7 or/and AEO-9; In (8) step, described coagulant is aluminium polychloride PAC or polyaluminium sulfate PAS or polymer phosphate aluminium PAP or poly-aluminum chloride sulphate or polyphosphoric acid aluminium chloride or FeSO
47H
2o or Fe (NO
3)
39H
2o.
7. the using method of sewage precipitation tank on-line cleaning according to claim 6 and type petroleum crude recovery device, is characterized in that, in the step of above-mentioned (4) cleaning settling tank, in configuration liquid, the proportion of the relative water of quartz sand is 0.5 to 1 g/L; Or/and in the step of above-mentioned (5) siphon jet carburetion mud, car body activity duration at the bottom of tank is 8 to 12min.
8. according to the sewage precipitation tank on-line cleaning described in claim 6 or 7 and the using method of type petroleum crude recovery device, it is characterized in that in above-mentioned (6) step, the weight ratio that adds water/treatment fluid is 5 to 6:1; The configuration concentration for the treatment of fluid is 3000 to 30000ppm.
9. according to the sewage precipitation tank on-line cleaning described in claim 6 or 7 and the using method of type petroleum crude recovery device, it is characterized in that in above-mentioned (7) step, mixture is heated up 45 to 55 ℃, in this temperature, stir 1 to 2 hour; Greasy filth fully mixes with the mud mixture for the treatment of fluid, and the crude oil in mud by wash-out out; Above-mentioned mode of heating is the electric heater that greasy filth agitator carries, or carries out water-bath by steam or hot water.
10. the using method of sewage precipitation tank on-line cleaning according to claim 8 and type petroleum crude recovery device, is characterized in that in above-mentioned (7) step, and mixture is heated up 45 to 55 ℃, in this temperature, stirs 1 to 2 hour; Greasy filth fully mixes with the mud mixture for the treatment of fluid, and the crude oil in mud by wash-out out; Above-mentioned mode of heating is the electric heater that greasy filth agitator carries, or carries out water-bath by steam or hot water.
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