CN212712986U - Oil removing and filtering system - Google Patents
Oil removing and filtering system Download PDFInfo
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- CN212712986U CN212712986U CN202021394989.6U CN202021394989U CN212712986U CN 212712986 U CN212712986 U CN 212712986U CN 202021394989 U CN202021394989 U CN 202021394989U CN 212712986 U CN212712986 U CN 212712986U
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- 238000001914 filtration Methods 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 239000012528 membrane Substances 0.000 claims abstract description 65
- 238000007667 floating Methods 0.000 claims description 41
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 5
- 241001234572 Polycera Species 0.000 claims description 3
- 238000005238 degreasing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 14
- 239000002351 wastewater Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 239000010865 sewage Substances 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 238000011221 initial treatment Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- -1 aromatic amine compounds Chemical class 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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Abstract
The utility model provides an oil removing and filtering system, which comprises a raw water tank, a filter, a filtering membrane component and a water producing water tank which are communicated through a downstream pipeline, wherein a feeding pump, the filter and the filtering membrane component are arranged between the raw water tank and the filter, the device comprises a filter membrane assembly, a raw water tank, a feed pump, a switch valve I, a switch valve II, a reverse flow pipeline, a reverse flow oil collector, a rotating rod, a motor, a rotating shaft, a water outlet, a water inlet pipe, a water outlet pipe. The system can effectively solve the problems of large occupied area and low oil removal efficiency of the existing oil removal device.
Description
Technical Field
The utility model belongs to chemical industry deoiling equipment field, concretely relates to deoiling filtration system.
Background
The oil refining chemical industry mainly uses petroleum as a raw material, uses related technology processes, utilizes physical and chemical characteristics of the petroleum to carry out chemical reaction and physical separation, and carries out deep processing on the petroleum so as to produce products. The oily sewage mainly refers to the waste water produced in the process of petroleum refining and chemical industry production. Due to different petrochemical products, different refinery enterprises generate different contents of oily sewage pollutants, such as petroleum, polycyclic aromatic hydrocarbon, COD, ammonia nitrogen, cyanide, aromatic amine compounds, sulfur, phenol, heterocyclic compounds and the like, and part of the oily sewage has strong toxicity. In addition, fluctuations in production, such as start-up and shut-down, maintenance periods, and changes in the properties of raw materials, also cause changes in the content and properties of sewage, and at the same time, increase the impact load of the sewage treatment apparatus. Therefore, whether the pretreatment process is reasonable or not becomes a great influence factor on the success or failure of the project.
The oil interceptor is a common treatment device for petrochemical wastewater treatment process. According to the characteristic that the density of suspended matters in the wastewater is different from that of water, the suspended matters in the water are removed. The method can only remove water drops or oil drops with larger particles as a primary treatment, and has low cost and general efficiency. For example, the advection-type oil interceptor is one of the most effective and common methods for removing the heavy components from refinery waste water by using the difference in relative density. The oil removing device is simple in structure, stable in oil removing effect and convenient to manage.
The air floatation method is another common treatment device in the petrochemical wastewater treatment process, and the principle of the air floatation method is that air bubbles and fine suspended matters in water are adhered to each other to form suspended matters which float to the water surface, so that foams or scum are formed and then are removed. Is commonly used for separating fine particles with particle density close to or less than that of water, and can effectively remove oil slick, emulsified oil and suspended substances in oil refining wastewater as primary treatment in a mixing process. The two oil removing devices have the problems of large occupied area and low oil removing efficiency no matter in an air floatation method or an oil separation tank.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that exists among the prior art, the utility model provides an deoiling filtration system, area that this system can effectively solve current deoiling device existence is big, the problem of deoiling inefficiency.
An oil removal filtering system comprises a raw water tank, a filter, a filtering membrane assembly and a water production tank which are communicated in sequence through a downstream pipeline, wherein a feeding pump is arranged between the raw water tank and the filter, a first switch valve and a second switch valve are respectively arranged between the filter and the filtering membrane assembly and between the filtering membrane assembly and the water production tank, the feeding pump, the first switch valve and the second switch valve are respectively arranged on the downstream pipeline, the water production tank, the filtering membrane assembly and the raw water tank are also communicated in sequence through a reverse flow pipeline, a third switch valve is arranged between the filtering membrane assembly and the raw water tank, a reverse flush pump is arranged between the water production tank and the filtering membrane assembly, the third switch valve and the reverse flush pump are both arranged on the reverse flow pipeline, a floating oil receiver is arranged in the raw water tank, the bottom of the raw water tank is movably connected with a rotating rod, the bottom, the floating oil collector is movably connected with the rotating rod.
The beneficial effects produced by adopting the scheme are as follows: the former water pitcher is used for storing oily waste water, the dwang runs through the bottom of former water pitcher and with former water pitcher swing joint, and set up to be sealed between former water pitcher and the dwang, motor and former water pitcher bottom pass through bolt etc. and be connected fixed connection, unsteady oil receiver can reciprocate for the dwang, because the oil content in the former water pitcher is more, during the use, drive the dwang through the motor earlier and rotate, the dwang just drives unsteady oil receiver and rotates in former water pitcher, rotate the in-process, alright get rid of the oil body that floats in the former water pitcher through unsteady oil receiver, improve deoiling effect widely.
The water body treated by the floating oil collector is pumped into a filter through a feeding pump, at the moment, a first switch valve and a second switch valve are in an open state, a third switch valve is in a closed state, large pollutants in the water body are removed through pretreatment of the filter, then the water body continuously enters a filtering membrane assembly through a downstream pipeline, the filtering membrane assembly can filter small oil particles remained in the water body in the filtering membrane assembly, and clean water is discharged into a water production water tank through the filtering membrane assembly for temporary storage and finally discharged;
when the filtering membrane component needs to be washed, a medicament can be added into the water production tank, then the switch valve III is opened, the switch valve I and the switch valve II are closed, clean water in the raw water tank is pumped into the filtering membrane component through the backwashing pump and the countercurrent pipeline, oil stains adhered to the filtering membrane component are removed by the clean water containing the medicament, wastewater containing the oil stains continuously flows into the raw water tank through the countercurrent pipeline, finally, the wastewater in the raw water tank is continuously filtered, and the filtering membrane component is used for filtering oil particles in a water body through the filtering membrane component in the filtering system, so that the volume of the filtering membrane component is small, and the floor area of the device can be greatly reduced.
Furthermore, the filtering membrane component is made of at least 4 groups of super-hydrophilic membrane tubes, and the forward flow pipeline and the reverse flow pipeline are respectively communicated with the super-hydrophilic membrane tubes.
The beneficial effects produced by adopting the scheme are as follows: the number of super hydrophilic membrane pipe can increase and decrease according to the volume of handling waste water, and when the waste water volume that needs to handle was great, the number of multiplicable super hydrophilic membrane pipe to improve treatment effeciency.
Furthermore, a support frame is arranged at the bottom of the raw water tank.
The beneficial effects produced by adopting the scheme are as follows: the support frame is welded and fixed with the raw water tank, and the support frame is arranged to support the raw water tank, so that a motor can be installed, and the use convenience of the device is improved.
Furthermore, the dwang includes concave type portion, horizontal pole portion and the montant portion that connects gradually, and the montant portion runs through former water pitcher, and the fixedly connected with lantern ring on the oil recovery ware floats, and on the lantern ring cover located two major axes of concave type portion, the floating oil recovery ware goes up still fixedly connected with floater.
The beneficial effects produced by adopting the scheme are as follows: the concave part, the cross rod part and the vertical rod part are sequentially welded and fixed or integrally formed, the sleeve is welded and fixed with the floating oil collector, the sleeve ring is sleeved on the long shaft of the concave part and used for fixing the floating oil collector, and the floating oil collector can move up and down along the concave part, so that the floating track of the floating oil collector is prevented from being unstable; the floating ball floats on the water body, the floating ball is fixedly connected with the floating oil collector, the floating oil collector always floats above the water surface through the floating ball and can be adjusted according to the height of the water level, and therefore the effect of collecting the floating oil on the water surface by the floating oil collector is improved. The horizontal rod part is arranged to limit the action diameter of the floating oil collector, so that the action track of the floating oil collector is constant, and the effect is improved.
Further, the vertical rod part is arranged in the center of the raw water tank.
Further, the length of the cross bar part is 1/4 of the diameter of the raw water tank.
The beneficial effects produced by adopting the scheme are as follows: the vertical rod part is arranged at the center of the raw water tank, the length of the horizontal rod part is 1/4 of the diameter of the raw water tank, so that the distance between the floating oil collector and the inner wall of the raw water tank is equal, when the floating oil collector acts, water flow can be driven to flow, floating oil on the water bodies at the two sides of the floating oil collector can flow towards the middle under the action of the water flow, and then when the floating oil collector walks again, the floating oil on the water bodies can be collected, and the oil removing effect is improved.
Further, the height of the concave part is 2/3 times of the height of the original water tank.
The beneficial effects produced by adopting the scheme are as follows: the height is set to be the same, the automatic adjustment can be carried out according to the water containing condition of the original water tank, and the automatic water level adjusting device is suitable for any water level height.
Further, the membrane in the super-hydrophilic membrane tube is a PolyCera polymeric membrane.
The beneficial effects produced by adopting the scheme are as follows: the polymeric membrane has the characteristics of hydrophilicity and oleophobicity, easy cleaning, 90-degree high temperature resistance and the like, and when the polymeric membrane is used for filtering a water body, oil particles in the water body can be effectively filtered in the membrane module, so that the water purifying effect is improved.
The utility model discloses produced beneficial effect does:
this filter deoiling system's simple structure need not to set up the great cell body of a plurality of volumes, reduces its area greatly, and the device gets rid of the oil body that floats in the former water tank through mobilizable unsteady oil receiver earlier, and the large granule pollutant in the rethread filter will water is got rid of, gets rid of the oil particle in the water through filtering membrane subassembly at last, can improve the deoiling effect greatly, and the device can increase filtering membrane subassembly's quantity according to the water purification volume, improves deoiling efficiency greatly.
Drawings
FIG. 1 is a schematic structural view of the apparatus;
FIG. 2 is a schematic structural view of the concave portion;
FIG. 3 is a schematic top view of a filtration membrane module;
wherein, 1, a downstream pipeline; 2. a raw water tank; 3. a filter; 4. a filtration membrane module; 5. a water producing tank; 6. a feed pump; 7. a first switch valve; 8. a second switch valve; 9. a counter-flow conduit; 10. a third switch valve; 11. a backwash pump; 12. floating oil recovery device; 13. rotating the rod; 14. a motor; 15. a super-hydrophilic membrane tube; 16. a support frame; 17. a concave portion; 18. a crossbar portion; 19. a vertical rod part; 20. a collar; 21. a floating ball.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
In one embodiment of the present invention, as shown in fig. 1-3, an oil removing and filtering system is provided, which comprises a raw water tank 2, a filter 3, a filtering membrane assembly 4 and a water production tank 5, which are sequentially communicated via a downstream pipeline 1, a feeding pump 6 is disposed between the raw water tank 2 and the filter 3, a first switch valve 7 and a second switch valve 8 are disposed between the filter 3 and the filtering membrane assembly 4, respectively, the feeding pump 6, the first switch valve 7 and the second switch valve 8 are disposed on the downstream pipeline 1, the water production tank 5, the filtering membrane assembly 4 and the raw water tank 2 are sequentially communicated via a reverse flow pipeline 9, a third switch valve 10 is disposed between the filtering membrane assembly 4 and the raw water tank 2, a reverse flow pump 11 is disposed between the water production tank 5 and the filtering membrane assembly 4, the third switch valve 10 and the reverse flow pump 11 are disposed on the reverse flow pipeline 1, optimally, the filtering membrane component 4 is made of at least 4 groups of super-hydrophilic membrane tubes 15, and the forward flow pipeline 1 and the reverse flow pipeline 9 are respectively communicated with the super-hydrophilic membrane tubes 15. Optimally, the membrane inside the superhydrophilic membrane tube 15 is a PolyCera polymeric membrane.
The raw water tank 2 is internally provided with a floating oil collector 12, the bottom of the raw water tank 2 is movably connected with a rotating rod 13, and optimally, the bottom of the raw water tank 2 is provided with a support frame 16. The bottom of the raw water tank 2 is fixedly connected with a motor 14, a rotating rod 13 penetrates through the raw water tank 2 and is fixedly connected with an output shaft of the motor 14, and the floating oil collector 12 is movably connected with the rotating rod 13. The rotating rod 13 preferably comprises a concave part 17, a horizontal rod part 18 and a vertical rod part 19 which are connected in sequence, the vertical rod part 19 penetrates through the raw water tank 2, and the vertical rod part 19 is preferably arranged at the center of the raw water tank 2. The floating oil receiver 12 is fixedly connected with a lantern ring 20, the lantern ring 20 is sleeved on the two long shafts of the concave part 17, and the floating ball 21 is also fixedly connected to the floating oil receiver 12. Optimally, the length of the cross bar part 18 is 1/4 of the diameter of the raw water tank 2. Preferably, the height of the concave part 17 is 2/3 times greater than the height of the raw water tank 2.
The use process of the device is as follows: the wastewater is pumped into the raw water tank 2 for temporary storage, when oil is removed, the motor 14 is started, the motor 14 drives the rotating rod 13 to rotate, the floating oil collector 12 is sleeved on the rotating rod 13, the rotating rod 13 drives the floating oil collector 12 to rotate along the raw water tank 2, floating oil floating on the water surface can be collected in the rotating process, and the collecting effect can be greatly improved through the driving action of the rotating rod 13; the floating ball 21 is arranged on the floating oil collector 12, so that the floating oil collector 12 can be automatically adjusted along with the height of the water level, and the use effect and convenience are improved;
pumping the water in the raw water tank 2 into the filter 3 through the feeding pump 6, filtering large granular substances in the water under the primary filtering action of the filter 3, enabling the filtered water to enter the filtering membrane component 4, effectively filtering oil particles in the water under the filtering action of the filtering membrane component 4, enabling the filtered water to reach the discharge standard, and enabling the water filtered by the filtering membrane component 4 to enter the water production water tank 5 for temporary storage and final discharge; when the filtering membrane assembly 4 is used for a period of time, back flushing can be carried out, during back flushing, cleaning agents are added into the water production tank 5, then a water body is reversely pumped into the filtering membrane assembly 4 along the reverse flow pipeline 9 through the back flushing pump 11, oil stains adhered to the filtering membrane assembly 4 are washed, the crystallinity of the filtering membrane assembly 4 is improved so as to improve the subsequent wastewater purification effect, the oil-containing water body after back flushing returns to the raw water tank 2 again for collection, and then the filtering operation is repeated.
While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (8)
1. An oil removing and filtering system is characterized by comprising a raw water tank (2), a filter (3), a filtering membrane assembly (4) and a water production water tank (5) which are communicated sequentially through a downstream pipeline (1), wherein a feeding pump (6) is arranged between the raw water tank (2) and the filter (3), a switch valve I (7) and a switch valve II (8) are respectively arranged between the filter (3) and the filtering membrane assembly (4), between the filtering membrane assembly (4) and the water production water tank (5), the feeding pump (6), the switch valve I (7) and the switch valve II (8) are respectively arranged on the downstream pipeline (1), the water production water tank (5), between the filtering membrane assembly (4) and the raw water tank (2) are communicated sequentially through a reverse flow pipeline (9), and a switch valve III (10) is arranged between the filtering membrane assembly (4) and the raw water tank (2), produce and be provided with back flush pump (11) between water tank (5) and filtering membrane subassembly (4), three (10) of ooff valve and back flush pump (11) all set up in on the pipeline (9) against the current, be provided with unsteady oil recovery ware (12) in former water pitcher (2), former water pitcher (2) bottom swing joint has dwang (13), former water pitcher (2) bottom fixedly connected with motor (14), dwang (13) run through former water pitcher (2) and with the output shaft fixed connection of motor (14), unsteady oil recovery ware (12) with dwang (13) swing joint.
2. The oil-removing filtering system according to claim 1, wherein the filtering membrane module (4) is made of at least 4 groups of super-hydrophilic membrane tubes (15), and the forward flow pipe (1) and the reverse flow pipe (9) are respectively communicated with the super-hydrophilic membrane tubes (15).
3. The oil removing and filtering system according to claim 1, wherein a support frame (16) is arranged at the bottom of the raw water tank (2).
4. The oil removing and filtering system according to claim 1, wherein the rotating rod (13) comprises a concave part (17), a cross rod part (18) and a vertical rod part (19) which are connected in sequence, the vertical rod part (19) penetrates through the raw water tank (2), a lantern ring (20) is fixedly connected to the floating oil collector (12), the lantern ring (20) is sleeved on two long axes of the concave part (17), and a floating ball (21) is fixedly connected to the floating oil collector (12).
5. An oil-removing filter system as claimed in claim 4, characterized in that the vertical shaft (19) is arranged in the center of the raw-water tank (2).
6. An oil-removing filter system as claimed in claim 5, characterized in that the length of the crossbar (18) is 1/4 of the diameter of the raw water tank (2).
7. A deoiling filter system as claimed in claim 5, characterised in that the height of said concave part (17) is greater than 2/3 times the height of said raw water tank (2).
8. The degreasing filter system of claim 2, wherein the membrane in the ultra-hydrophilic membrane tube (15) is a PolyCera polymeric membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021394989.6U CN212712986U (en) | 2020-07-15 | 2020-07-15 | Oil removing and filtering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021394989.6U CN212712986U (en) | 2020-07-15 | 2020-07-15 | Oil removing and filtering system |
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| Publication Number | Publication Date |
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| CN212712986U true CN212712986U (en) | 2021-03-16 |
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| CN202021394989.6U Active CN212712986U (en) | 2020-07-15 | 2020-07-15 | Oil removing and filtering system |
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| CN (1) | CN212712986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501596A (en) * | 2021-07-21 | 2021-10-15 | 杭州碟滤膜技术有限公司 | Pretreatment process for high-oil high-suspended matter wastewater |
-
2020
- 2020-07-15 CN CN202021394989.6U patent/CN212712986U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501596A (en) * | 2021-07-21 | 2021-10-15 | 杭州碟滤膜技术有限公司 | Pretreatment process for high-oil high-suspended matter wastewater |
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