CN113526709A - Oily water treatment device - Google Patents
Oily water treatment device Download PDFInfo
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- CN113526709A CN113526709A CN202110913121.5A CN202110913121A CN113526709A CN 113526709 A CN113526709 A CN 113526709A CN 202110913121 A CN202110913121 A CN 202110913121A CN 113526709 A CN113526709 A CN 113526709A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- 239000010865 sewage Substances 0.000 claims abstract description 43
- 238000007790 scraping Methods 0.000 claims abstract description 35
- 238000001914 filtration Methods 0.000 claims description 66
- 238000005192 partition Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000004062 sedimentation Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 244000005700 microbiome Species 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 19
- 238000000926 separation method Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 208000005156 Dehydration Diseases 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
一种油污水处理装置，包括过滤部和刮油部、第二过滤部，过滤部和第二过滤部均为无动力的过滤结构，过滤部包括壳体、滤网、输料轴以及驱动轮，驱动轮与输料轴传动相连接，位于壳体顶部的进水口与油污水的进水管相连通，位于滤网上方壳体侧壁上的残渣出口经管道与残渣收集桶的内腔相连通，位于滤网下方壳体侧壁或壳体底面上的出水口经管道与刮油部的内腔相连通，刮油部的出水口经管道与第二过滤部的内腔相连通，刮油部的出油口与污油收集桶的内腔相连通。本发明的优点在于：能过滤油污水中的残渣和油污，能耗低，处理效率高、处理效果好，使用寿命长。
An oil sewage treatment device, comprising a filter part, an oil scraping part, and a second filter part, the filter part and the second filter part are both unpowered filter structures, and the filter part includes a casing, a filter screen, a feeding shaft and a driving wheel , the driving wheel is connected with the transmission shaft, the water inlet at the top of the casing is connected with the water inlet pipe of the oily sewage, and the residue outlet on the side wall of the casing above the filter screen is connected with the inner cavity of the residue collection barrel through the pipe , the water outlet located on the side wall of the casing or the bottom surface of the casing under the filter screen is connected with the inner cavity of the oil scraping part through the pipeline, and the water outlet of the oil scraping part is connected with the inner cavity of the second filter part through the pipeline, and the oil scraping part is connected with the inner cavity of the second filter part through the pipeline. The oil outlet of the part is communicated with the inner cavity of the dirty oil collection barrel. The present invention has the advantages that it can filter residues and oil stains in oily sewage, has low energy consumption, high treatment efficiency, good treatment effect and long service life.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an oily sewage treatment device.
Background
The prior Chinese utility model patent with the application number of CN201520669942.9 named as 'oily sewage treatment device' discloses an oily sewage treatment device, which comprises: the oil removal and purification device is used for carrying out oil-water separation on the oily sewage to obtain oil-containing scum and clear water; and the scum separation device is communicated with the oil removal purification device and is used for separating oil from water after oil-containing scum is dehydrated to obtain scum, dirty oil and water. The treatment device adopts the oil removal purification device and the scum separation device, firstly carries out oil-water separation on the oily sewage to obtain oil-containing scum and clear water, and then carries out oil-water separation on the oil-containing scum after dehydration treatment to obtain the scum, dirty oil and water. The removal rate of the oil in the oily sewage can reach more than 96 percent, and the reduction rate of the scum is more than 70 percent. However, the device can only remove the scum in the oil wastewater, the scum in the oil wastewater cannot be well treated, the application range is small, and the scum treatment process is positioned after the oil-water separation process, so that the scum is easy to damage the structure of the device and influence the service life of the device, and therefore the structure of the device needs to be further improved.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the oily water treatment device which can filter residues and oily dirt in oily water, and has the advantages of low energy consumption, high treatment efficiency, good treatment effect and long service life.
The technical scheme adopted by the invention for solving the technical problems is as follows: this oily water treatment facilities, including the filter house that can separate the dirty aquatic residue rubbish of greasy dirt water and the frizing portion that can separate the dirty oil of greasy dirt aquatic, its characterized in that: the filter comprises a shell, a filter screen which is arranged in an inner cavity of the shell and can separate residue and oily water, a material conveying shaft which can convey the residue intercepted on the filter screen out of the shell, and a driving wheel which is arranged in the inner cavity of the shell between the water inlet and the filter screen and can be pushed to rotate by the oily water entering the water inlet, wherein the driving wheel is connected with the material conveying shaft in a transmission way, the water inlet at the top of the shell is communicated with the water inlet pipe of the oily water, the residue outlet on the side wall of the shell above the filter screen is communicated with the inner cavity of a residue collecting barrel through a pipeline, the water outlet on the side wall of the shell below the filter screen or the bottom surface of the shell is communicated with the inner cavity of the oil scraping part through a pipeline, and the water outlet of the oil scraping part is communicated with the inner cavity of the second filter part through a pipeline, the oil outlet of the oil scraping part is communicated with the inner cavity of the sump oil collecting barrel.
As an improvement, a partition plate which divides the inner cavity of the shell into a first cavity and a second cavity which are independent from each other can be preferably arranged in the inner cavity of the shell, the filter screen, the driving wheel and the material conveying shaft are positioned in the second cavity, the driving wheel is arranged on the driving shaft, one end of the driving shaft and one end of the material conveying shaft extend into the first cavity and are rotatably connected to the inner wall of the first cavity, one end of the driving shaft extending into the first cavity is connected with one end of the material conveying shaft through a transmission mechanism, the other end of the driving shaft is connected to the inner wall of the second cavity, an external shell is arranged on the outer wall of the shell corresponding to the residue outlet, the inner cavity of the external shell is communicated with the residue outlet, one end of the conveying shaft penetrates through the residue outlet to be rotatably connected with the inner wall of the external shell, and the bottom opening of the external shell is communicated with the inner cavity of the residue collecting barrel through a pipeline.
The improved structure is characterized in that a sealing door capable of opening and closing an inner cavity of the shell can be preferably arranged on the side wall of the shell in the direction parallel to the conveying shaft, connecting convex strips are respectively arranged in second cavities on two sides of the conveying shaft, the inclination angle of each connecting convex strip is the same as that of the conveying shaft, left and right outer frames of the filter screen can be detachably connected to the corresponding connecting convex strips, the vertical cross section of the filter screen is arc-shaped, and the vertical cross section of the conveying shaft is located at the position of the bottom of the arc of the corresponding filter screen.
The transmission mechanism can preferably comprise a first transmission wheel, a second transmission wheel, a transmission belt, a transmission gear and a conical gear, the first transmission wheel is concentrically connected to a driving shaft extending into the first cavity, the first transmission wheel is connected with the second transmission wheel through the transmission belt, the second transmission wheel is rotatably connected with the shell, the second transmission wheel is concentrically connected with the transmission gear, the transmission gear is located above the conical gear and meshed with the conical gear, and the conical gear is concentrically connected to a material conveying shaft extending into the first cavity.
In a further improvement, a mounting through hole capable of being installed with the transmission mechanism can be preferably arranged on the outer wall of the shell corresponding to the first cavity, and a sealing cover is detachably arranged on the mounting through hole.
As an improvement, the oil scraping part preferably comprises a shell, an oil scraper and an oil outlet pipe, wherein an oil scraping belt of the oil scraper is arranged in an inner cavity of the shell, the bottom of the oil scraping belt can be immersed in oil polluted water in the inner cavity of the shell, a driving motor is connected to the shell and is in transmission connection with the oil scraper, an oil scraping plate of the oil scraper is connected with an opening at one end of an oil guide groove in the shell, an opening at the other end of the oil guide groove is connected with an oil outlet hopper, and an oil outlet at the bottom of the oil outlet hopper is communicated with an inner cavity of a dirty oil collecting barrel through the oil outlet pipe.
In a further improvement, a heating coil can be preferably wound on the outer wall of the oil outlet pipe, and the heating coil, a coil constant temperature control circuit board, a power supply and a switch form a loop through a lead.
As an improvement, the second filtering part can be preferably a processing tank with a closed top, the tank cavity of the processing tank is divided into a water inlet cavity, a water outlet cavity, a sedimentation cavity and a filtering cavity capable of filtering oil stains in sewage by a partition plate, the water inlet cavity is communicated with a water outlet of the oil scraping part, a communicating pipe is arranged in the water inlet cavity, an inlet of the communicating pipe is communicated with the cavity at the bottom of the water inlet cavity, an outlet of the communicating pipe is communicated with the upper cavity of the filtering cavity, the filtering cavity is divided into N oil stain filtering cavities by the partition plate, an oil stain filter is arranged in each oil stain filtering cavity, microorganisms capable of decomposing oil stains are arranged in the inner cavity of each oil stain filter, the inner cavity is communicated with the corresponding oil stain filtering cavity by meshes distributed on an oil stain filter screen of the oil stain filter, and is communicated with the next oil stain filtering cavity by a filtering liquid outlet of the oil stain filter, the filter liquor outlet of the last oil stain filter is communicated with a water outlet cavity, a guide plate which enables water in the water outlet cavity to flow up and down in an S shape is arranged at the middle of the water outlet cavity, the water inlet cavity, the N oil stain filter cavities and the water outlet cavity are sequentially arranged in a U shape, the sedimentation cavity is positioned at the bottom of the treatment tank and communicated with the water outlet cavity, the sedimentation cavity is communicated with a discharge pipe of treated wastewater, a collecting tank which can collect oil stains is arranged at the joint of the water inlet cavity and the filter cavities, the bottom of the collecting tank is connected onto a partition plate, the top opening of the collecting tank is flush with the top surface of the partition plate or is lower than the top surface of the partition plate by 0.01-1.2 mm, and N is a natural number larger than 1.
The improved oil stain filter is characterized by further comprising a filter shell, wherein the top opening of the filter shell is communicated with a corresponding oil stain filtering cavity, an oil stain filtering screen is positioned in the top opening, microorganisms are attached to the oil stain filtering screen, a filtering liquid outlet is formed in the side wall of the filter shell and is communicated with the top opening of the filter shell, a shaping frame body is arranged in the inner cavity of the filter shell, and the oil stain filtering screen is connected with the shaping frame body.
The sewage filter is further improved, a residue filter can be preferably arranged at the joint of the water outlet cavity and the filter cavity, a filter body is arranged in the residue filter, a grid-shaped filter port is arranged on the side wall of the filter body, a bottom outlet is arranged at the bottom of the filter body, the filter port is communicated with the bottom outlet, an installation cavity capable of installing the filter body is arranged at the top of the residue filter, a cavity opening is arranged at the bottom of the installation cavity, the bottom surface of the filter body covers the cavity opening, the bottom outlet is communicated with the cavity opening, an inlet is arranged on the side wall of the upper part of the residue filter, an outlet is arranged on the side wall of the lower part of the residue filter, the outlet is communicated with the bottom outlet, the sewage entering the installation cavity from the inlet is filtered by the filter port, enters the cavity opening from the bottom outlet and finally enters the corresponding residue filter cavity from the water outlet, the filtering body is formed by sequentially superposing filtering plate bodies up and down, plate body bulges which can lead adjacent filtering plate bodies to be mutually spaced are distributed on the edge of the filtering plate bodies, the bottom surface of the upper filtering plate body is attached on the plate body bulges of the lower filtering plate body, a plate body through hole is arranged on each filtering plate body, sewage entering the filtering body from a gap between adjacent filtering plate bodies flows out of the filtering body from the plate body through hole, a through hole baffle is arranged on the filtering plate body corresponding to the hole edge of each plate body through hole, a plate body cover plate is covered on the top surface of the filtering plate body on the uppermost layer, connecting lugs are arranged on the side parts of each filtering plate body and the plate body cover plate, connecting holes are arranged on the connecting lugs, the connecting lugs are connected in series through bolts, and the inner wall of the mounting cavity is provided with a limiting convex part which can be contacted with the connecting lug to prevent the filter body from further rotating.
Compared with the prior art, the invention has the advantages that: the oily water is firstly filtered to remove residues in the filtering part, the oily water is generally food and beverage sewage with a large amount of residual vegetables, after being filtered by the filtering part, dirty oil and the residues can be effectively separated, the residues cannot enter the next procedure along with the sewage to influence the service life of the device, and the intercepted residues can be conveyed to a residue collecting barrel through a conveying shaft, so that the collection and treatment of garbage are facilitated; the power of the material conveying shaft is driven by the driving wheel, and the driving wheel is provided by the gravity of the falling oily water, so that additional power equipment is not needed to drive the material conveying shaft to rotate, the energy consumption is low, and the environment is protected; the oily water after residue filtration is separated from dirty oil in the oil scraping part, so that the separation efficiency is high; the separated sewage is subjected to sump oil and residue filtration again in a second filtering part, so that secondary filtration of the oily sewage is realized, and cleaner treated water can be obtained; the second filtering part also adopts an unpowered structure, so that additional power equipment is not needed, and the energy consumption of sewage treatment is further reduced; in conclusion, the oily water treatment device can filter residues and oily dirt in oily water, has low energy consumption, high treatment efficiency, good treatment effect and long service life, and is worthy of application and popularization.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of FIG. 1 at another angle;
fig. 3 is a perspective view of the filter portion of fig. 1 in an open state;
FIG. 4 is a perspective view of the drive wheel connection shown in FIG. 3 at another angle;
FIG. 5 is an exploded view of the structure of FIG. 3;
FIG. 6 is a perspective view of FIG. 3 with the closure cap removed;
FIG. 7 is a perspective view of FIG. 3 with half of the housing cut away along the central axis;
FIG. 8 is a perspective view of the oil scraping portion of FIG. 1 with a portion of the housing cut away along a vertical plane;
FIG. 9 is a perspective view of FIG. 8 with portions of the housing cut away from a vertical plane at another angle;
FIG. 10 is a top view of the second filter portion of FIG. 1 with the top cover removed;
FIG. 11 is a cross-sectional view taken along line A-A of FIG. 10;
FIG. 12 is a cross-sectional view taken along line B-B of FIG. 10;
FIG. 13 is an exploded view of the structure of FIG. 10;
FIG. 14 is an exploded view of the debris filter of FIG. 13;
fig. 15 is an exploded view of the structure of fig. 14 at another angle.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 15, the oily water treatment device of the embodiment includes a filtering portion 1 capable of separating residual garbage in oily water, an oil scraping portion 2 capable of separating oily water from oily water, and a second filtering portion 3 capable of filtering sewage after separating residual garbage and oily water, wherein the filtering portion 1 and the second filtering portion 3 are both unpowered filtering structures, the filtering portion 1 includes a housing, a filter screen 11 disposed in an inner cavity of the housing and capable of separating residual and oily water, a material conveying shaft 12 capable of conveying residual trapped on the filter screen 11 out of the housing, and a driving wheel 13 disposed in the inner cavity of the housing between the water inlet and the filter screen 11 and capable of being pushed to rotate by oily water entering the water inlet, the driving wheel 13 is in transmission connection with the material conveying shaft 12, the water inlet disposed at the top of the housing is communicated with an inlet pipe 14 of oily water, and a residual outlet disposed on a side wall of the housing above the filter screen 11 is communicated with an inner cavity of a residual collecting barrel 4 through a pipeline, the water outlet on the side wall of the shell or the bottom surface of the shell below the filter screen 11 is communicated with the inner cavity of the oil scraping part 2 through a pipeline, the water outlet of the oil scraping part 2 is communicated with the inner cavity of the second filtering part 3 through a pipeline, and the oil outlet of the oil scraping part 2 is communicated with the inner cavity of the sump oil collecting barrel 5. A water inlet control valve is arranged on the water inlet pipe 14 to control the opening and closing of the water inlet pipe 14.
A partition plate 15 which divides the inner cavity of the shell into a first cavity and a second cavity which are mutually independent is arranged in the inner cavity of the shell, a filter screen 11, a driving wheel 13 and a material conveying shaft 12 are positioned in the second cavity, the driving wheel 13 is arranged on the driving shaft 131, one end of the driving shaft 131 and one end of the material conveying shaft 12 both extend into the first cavity and are rotatably connected on the inner wall of the first cavity, one end of the driving shaft 131 extending into the first cavity and one end of the material conveying shaft 12 are connected together through a transmission mechanism, the other end of the driving shaft 131 is connected on the inner wall of the second cavity, an external shell 10 is arranged on the outer wall of the shell corresponding to the residue outlet, the inner cavity of the external shell 10 is communicated with the residue outlet, one end of a material conveying shaft 12 penetrates through the residue outlet to be rotatably connected with the inner wall of the external shell 10, and the bottom opening of the external shell 10 is communicated with the inner cavity of the residue collecting barrel 4 through a pipeline. The driving wheel 13 is eccentrically arranged relative to the water inlet, and can continuously rotate in a single direction as long as water is continuously fed.
A sealing door 16 capable of opening and closing the inner cavity of the shell is arranged on the side wall of the shell in the direction parallel to the material conveying shaft 12, connecting convex strips 17 are respectively arranged in second cavities at two sides of the material conveying shaft 12, the inclination angle of the connecting convex strips 17 is the same as that of the material conveying shaft 12, the left outer frame and the right outer frame of the filter screen 11 are detachably connected to the corresponding connecting convex strips 17, the vertical cross section of the filter screen 11 is arc-shaped, and the vertical cross section of the material conveying shaft 12 is positioned at the arc bottom of the corresponding filter screen 11. The transmission mechanism comprises a first transmission wheel, a second transmission wheel, a transmission belt, a transmission gear and a conical gear, the first transmission wheel is concentrically connected to a driving shaft 131 extending into the first cavity, the first transmission wheel is connected with the second transmission wheel through the transmission belt 132, the second transmission wheel is rotatably connected with the shell, the second transmission wheel is concentrically connected with the transmission gear 133, the transmission gear 133 is positioned above the conical gear 134 and meshed with the conical gear 134, and the conical gear 134 is concentrically connected to a material conveying shaft 131 extending into the first cavity. The feeding shaft 12 is provided with a spiral piece, the two ends of the feeding shaft 12 and the driving shaft 131 are respectively connected with the corresponding side walls of the shell through sealing bearings, and the specific rotary connection structure belongs to the known technology, so the detailed description is not needed. The outer wall of the shell corresponding to the first cavity is provided with a mounting through hole 18 which can be used for mounting the transmission mechanism, and the mounting through hole 18 is detachably provided with a sealing cover.
The oil scraping part 2 comprises a shell, an oil scraper 21 and an oil outlet pipe 22, wherein an oil scraping belt of the oil scraper 21 is arranged in an inner cavity of the shell, the bottom of the oil scraping belt can be immersed in oil sewage in the inner cavity of the shell, a driving motor 23 is connected onto the shell, the driving motor 23 is connected with the oil scraper 21 in a transmission mode, an oil scraping plate of the oil scraper 21 is connected with an opening at one end of an oil guide groove in the shell, an opening at the other end of the oil guide groove is connected with an oil outlet hopper 24, and an oil outlet at the bottom of the oil outlet hopper 24 is communicated with an inner cavity of the dirty oil collecting barrel 5 through the oil outlet pipe 22. The working principle of the oil scraper 21 is that the sump oil is adsorbed and then taken up through the oil scraping belt immersed in the oil stain water, the sump oil is scraped away from the oil scraping belt by the oil scraping plate when the sump oil rotates to the oil scraping plate, the sump oil falls into the oil guide groove along the oil scraping plate, and finally flows into the oil outlet hopper 24 from the oil guide groove. The specific structure of the oil wiper 21 is well known in the art and will not be described in detail. The heating coil 25 is wound on the outer wall of the oil outlet pipe 22, and the heating coil 25 forms a loop with a coil constant temperature control circuit board, a power supply and a switch through a lead. The heating coil 25 can maintain the temperature of the oil outlet pipe 22 to prevent dirty oil from solidifying in the oil outlet pipe 22 and affecting the falling of the dirty oil.
The second filtering part 3 is a processing tank with a closed top, the tank cavity of the processing tank is divided into a water inlet cavity 31, a water outlet cavity 32, a sedimentation cavity 35 and a filtering cavity capable of filtering oil stains in sewage by a partition plate, the water inlet cavity 31 is communicated with the water outlet of the oil scraping part 2, a communicating pipe 34 is arranged in the water inlet cavity 31, the inlet of the communicating pipe 34 is communicated with the bottom cavity of the water inlet cavity 31, the outlet of the communicating pipe 34 is communicated with the upper cavity of the filtering cavity, the filtering cavity is divided into N oil stain filtering cavities 33 by the partition plate, an oil stain filter 7 is arranged in each oil stain filtering cavity 33, microorganisms capable of decomposing oil stains are arranged in the inner cavity of each oil stain filter 7, the inner cavity is communicated with the corresponding oil stain filtering cavity 33 by meshes distributed on an oil stain filter screen 71 of the oil stain filter 7, and the inner cavity is communicated with the next oil stain filtering cavity 33 by a filtering liquid outlet of the oil stain filter 7, the filtrate outlet of the last oil stain filter 7 is communicated with the water outlet cavity 32, a guide plate 321 which can enable water in the water outlet cavity 32 to flow up and down in an S shape is arranged in the water outlet cavity 32 at intervals, the water inlet cavity 31, the N oil stain filter cavities 33 and the water outlet cavity 32 are sequentially arranged in a U shape, the sedimentation cavity 35 is positioned at the bottom of the treatment tank and communicated with the water outlet cavity 32, the sedimentation cavity 35 is communicated with a discharge pipe 36 of treated wastewater, a collecting tank 37 which can collect oil stains is arranged at the joint of the water inlet cavity 31 and the filter cavities, the bottom of the collecting tank 37 is connected on the partition plate, the top opening of the collecting tank 37 is parallel and level with the top surface of the partition plate or is 0.01-1.2 mm lower than the top surface of the partition plate, and N is a natural number larger than 1. The kind of microorganism belongs to the known art and will not be described in detail. The oil stain filter 7 comprises a filter shell, the top opening of the filter shell is communicated with a corresponding oil stain filtering cavity 33, an oil stain filter screen 71 is positioned in the top opening, microorganisms are attached to the oil stain filter screen 71, a filter liquid outlet is formed in the side wall of the filter shell and communicated with the top opening of the filter shell, a sizing frame body 72 is arranged in the inner cavity of the filter shell, and the oil stain filter screen 71 is connected with the sizing frame body 72.
A residue filter 6 is arranged at the joint of the water outlet cavity 32 and the filter cavity, a filter body 62 is arranged in the residue filter 6, a grid-shaped filter orifice 621 is arranged on the side wall of the filter body 62, a bottom outlet is arranged at the bottom of the filter body 62, the filter orifice 621 is communicated with the bottom outlet, an installation cavity capable of installing the filter body 62 is arranged at the top of the residue filter 6, a cavity opening 631 is arranged at the bottom of the installation cavity, the bottom surface of the filter body 62 covers the cavity opening 631, the bottom outlet is communicated with the cavity opening 631, an inlet 632 is arranged on the side wall at the upper part of the residue filter 6, an outlet 633 is arranged on the side wall at the lower part of the residue filter 6, the outlet 633 is communicated with the bottom outlet, sewage entering the installation cavity from the inlet 632 is filtered by the filter orifice 621 and then enters the cavity opening 631 from the bottom outlet and finally enters the corresponding residue filter cavity from the outlet 633, the filtering body 62 is formed by sequentially laminating filtering plate bodies up and down, plate body bulges which can lead adjacent filtering plate bodies to be mutually spaced are distributed on the edge of each filtering plate body, the bottom surface of the upper filtering plate body is attached on the plate body bulges of the lower filtering plate body, a plate body through hole 622 is provided on each filter plate body, the contaminated water introduced into the filter body 62 from the gap between the adjacent filter plate bodies flows out of the filter body 62 from the plate body through hole 622, a through-hole baffle 623 is provided on the filtering plate body corresponding to the hole edge of each plate body through-hole 622, a plate body cover plate 61 is covered on the top surface of the uppermost filtering plate body, a connecting lug 624 is arranged on the side part of each filtering plate body and the plate body cover plate 61, the connecting lugs 624 are provided with connecting holes, the connecting lugs 624 are connected in series through bolts, a limit protrusion 634 is formed on the inner wall of the mounting cavity to contact the connecting lug 624 to prevent the filter body 62 from further rotating.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913121.5A CN113526709A (en) | 2021-08-10 | 2021-08-10 | Oily water treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913121.5A CN113526709A (en) | 2021-08-10 | 2021-08-10 | Oily water treatment device |
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| CN113526709A true CN113526709A (en) | 2021-10-22 |
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| CN112093998A (en) * | 2020-10-16 | 2020-12-18 | 裘南平 | Treatment device for oil stain wastewater |
| CN216073275U (en) * | 2021-08-10 | 2022-03-18 | 丽瑾(浙江)环保科技有限公司 | Oily water treatment device |
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2021
- 2021-08-10 CN CN202110913121.5A patent/CN113526709A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207032368U (en) * | 2017-04-09 | 2018-02-23 | 徐玲燕 | One kind building rainwater-collecting primarily efficient filter slag-draining device |
| CN206858301U (en) * | 2017-05-17 | 2018-01-09 | 马留军 | Run-in index water separator |
| CN112093998A (en) * | 2020-10-16 | 2020-12-18 | 裘南平 | Treatment device for oil stain wastewater |
| CN216073275U (en) * | 2021-08-10 | 2022-03-18 | 丽瑾(浙江)环保科技有限公司 | Oily water treatment device |
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