CN210595673U - Enterprise wastewater comprehensive treatment system - Google Patents
Enterprise wastewater comprehensive treatment system Download PDFInfo
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- CN210595673U CN210595673U CN201920947412.4U CN201920947412U CN210595673U CN 210595673 U CN210595673 U CN 210595673U CN 201920947412 U CN201920947412 U CN 201920947412U CN 210595673 U CN210595673 U CN 210595673U
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- Prior art keywords
- tank
- pipeline
- sedimentation tank
- wastewater
- sludge
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- 239000002351 wastewater Substances 0.000 title claims abstract description 90
- 238000004062 sedimentation Methods 0.000 claims abstract description 69
- 239000010802 sludge Substances 0.000 claims abstract description 61
- 239000010865 sewage Substances 0.000 claims abstract description 29
- 230000020477 pH reduction Effects 0.000 claims abstract description 24
- 230000007062 hydrolysis Effects 0.000 claims abstract description 23
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 23
- 230000003647 oxidation Effects 0.000 claims abstract description 18
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 18
- 238000005188 flotation Methods 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000005273 aeration Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 8
- 238000004065 wastewater treatment Methods 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 239000010842 industrial wastewater Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000002699 waste material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000005238 degreasing Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
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- Biological Treatment Of Waste Water (AREA)
- Activated Sludge Processes (AREA)
Abstract
The utility model discloses an enterprise wastewater comprehensive treatment system, which comprises a high-concentration wastewater adjusting tank, a comprehensive wastewater adjusting tank, an air flotation tank, a primary sedimentation tank, a hydrolysis acidification tank, a biological contact oxidation tank, a secondary sedimentation tank, a final sedimentation tank, a sludge concentration tank, a septic tank, a domestic sewage adjusting tank and a dosing system, wherein the high-concentration wastewater adjusting tank is connected with the comprehensive wastewater adjusting tank, the comprehensive wastewater adjusting tank is connected with the air flotation tank, the air flotation tank is connected with the primary sedimentation tank by a pipeline, the primary sedimentation tank is connected with the hydrolysis acidification tank by a pipeline, the hydrolysis acidification tank is connected with the biological contact oxidation tank by a pipeline, the biological contact oxidation tank is connected with the secondary sedimentation tank by a pipeline, the secondary sedimentation tank is connected with the final sedimentation tank by a pipeline, the septic tank is connected with the domestic sewage adjusting tank by a pipeline, the domestic sewage adjusting tank is connected with the comprehensive wastewater adjusting tank by a pipeline, the layout is reasonable, and the ring is buckled, the centralized management of domestic sewage and industrial wastewater is realized, the problem of enterprise wastewater discharge is solved, and the standard discharge is realized.
Description
Technical Field
The utility model relates to an enterprise's waste water integrated processing system.
Background
In some large-scale automobile parts manufacturing enterprises, a large amount of waste water is generated in the process of life and production, such as: the waste water such as degreasing waste water, silane waste water, electrical pulse waste water, septic tank sewage, degreasing water washing, degreasing tank liquor and the like is directly discharged without being treated, so that the surrounding environment is seriously influenced, environmental pollution is caused, environmental protection investigation and punishment are caused, and the image of an enterprise is damaged, and therefore, the generated waste water needs to be purified, and the standard of standard discharge is met.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a treatment effeciency is high, and purifying effect is good, can carry out centralized processing with high concentration waste water, low concentration waste water, domestic sewage, realizes solid-liquid separation in the processing, and the quality of water after the processing can reach the standard of discharge to reach standard, has practicality and uses the enterprise wastewater integrated processing system of extensive.
In order to solve the above problem, the utility model adopts the following technical scheme:
an enterprise wastewater comprehensive treatment system comprises a high-concentration wastewater adjusting tank, a comprehensive wastewater adjusting tank, an air flotation tank, a primary sedimentation tank, a hydrolysis acidification tank, a biological contact oxidation tank, a secondary sedimentation tank, a final sedimentation tank, a sludge concentration tank, a septic tank, a domestic sewage adjusting tank and a dosing system, wherein a lifting pump is arranged in the high-concentration wastewater adjusting tank, the high-concentration wastewater adjusting tank is connected with the comprehensive wastewater adjusting tank through the lifting pump, the comprehensive wastewater adjusting tank is internally provided with the lifting pump, the comprehensive wastewater adjusting tank is connected with the air flotation tank through the lifting pump, the air flotation tank is connected with the primary sedimentation tank through a pipeline, the primary sedimentation tank is connected with the hydrolysis acidification tank through a pipeline, the hydrolysis acidification tank is connected with the biological contact oxidation tank through a pipeline, the biological contact oxidation tank is connected with the secondary sedimentation tank through a pipeline, the secondary sedimentation tank is connected with the final sedimentation tank through a pipeline, and the septic tank is connected with the domestic sewage adjusting tank through, the domestic sewage regulating tank is connected with the comprehensive wastewater regulating tank by a pipeline.
As a preferable technical scheme, an aeration pipe network is arranged in the comprehensive wastewater adjusting tank.
This setting can synthesize quality of water, prevents the accumulation of pond deposit.
As a preferred technical scheme, a stirring device and a mud scraping device are arranged in the air flotation tank, and the air flotation tank is connected with a mud concentration tank.
This setting is convenient for scrape the mud in the air supporting pond into the sludge thickening pond, is convenient for the centralized management of mud.
As a preferred technical scheme, a central guide cylinder, a stirring device and a sludge pump are arranged in the primary sedimentation tank, and the primary sedimentation tank is connected with a sludge concentration tank.
The arrangement is convenient for pumping sediments such as sludge in the primary sedimentation tank into the sludge concentration tank, and is convenient for centralized management of the sludge.
As a preferred technical scheme, a micropore aeration device and a combined filler are arranged in the hydrolysis acidification tank and the biological contact oxidation tank, and the material of the combined filler is PVC.
The device realizes hydrolytic acidification and aerobic biochemistry, removes a large amount of organic pollutants, ammonia nitrogen and other substances in the wastewater, and improves the treatment effect.
As a preferred technical scheme, a sludge reflux pump and a central guide cylinder are arranged in the secondary sedimentation tank, and the secondary sedimentation tank is connected with a sludge concentration tank.
The arrangement is convenient for pumping sediments such as sludge in the secondary sedimentation tank into the sludge concentration tank, and is convenient for centralized management of the sludge.
As a preferred technical scheme, a stirring device, a central guide cylinder and a sludge reflux pump are arranged in the final sedimentation tank, and the final sedimentation tank is connected with a sludge concentration tank.
The arrangement is convenient for pumping the sediment in the final sedimentation tank into the sludge concentration tank, and is convenient for centralized management of the sludge.
As the preferred technical scheme, the sludge concentration tank is connected with the comprehensive wastewater adjusting tank by adopting a pipeline, a pneumatic diaphragm pump is arranged in the sludge concentration tank, and a diaphragm filter press is arranged on one side of the sludge concentration tank.
This setting is favorable to carrying out centralized management to mud, and the packing is stacked after the dehydration, the filtrating backward flow that produces in the dehydration process of being convenient for simultaneously.
As a preferred technical scheme, a grid well is arranged in the domestic sewage pool.
This setting, effectual debris such as plastic bag that have prevented in the sewage get into comprehensive waste water equalizing basin by domestic sewage pond in, prevent that the pipeline from appearing blockking up, influence normal waste water treatment.
As a preferred technical scheme, the dosing system comprises a PAM dosing device, a PAC dosing device and an acid dosing device, the dosing system is connected with an air floatation tank, a primary sedimentation tank and a final sedimentation tank, a reaction zone and an air floatation zone are arranged in the air floatation tank, and the reaction zone and a sedimentation zone are arranged in the primary sedimentation tank and the final sedimentation tank.
This setting for PH value in the waste water is worth getting control, makes the difficult material that deposits of suspension pollutant and grease class in the waste water float in waste water surface or deposit simultaneously for sewage treatment efficiency.
The utility model has the advantages that: the treatment efficiency is high, and purifying effect is good, can carry out centralized processing with high concentration waste water, low concentration waste water, domestic sewage, realizes solid-liquid separation in the processing, and the quality of water after the processing can reach discharge to reach standard's standard, has practicality and the universality of using.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the scope of the present invention is not limited thereto.
FIG. 1 is a schematic view of the working principle of the present invention;
the system comprises a high-concentration waste tank liquid 1, a high-concentration waste water adjusting tank 2, a low-concentration waste water 3, a comprehensive waste water adjusting tank 4, an air flotation tank 5, a primary settling tank 6, a hydrolysis acidification tank 7, a biological contact oxidation tank 8, a secondary settling tank 9, a final settling tank 10, a sludge concentration tank 11, a diaphragm filter press 12, a septic tank 13 and a domestic sewage adjusting tank 14.
Detailed Description
Referring to fig. 1, an enterprise wastewater comprehensive treatment system comprises a high-concentration wastewater adjusting tank 2, a comprehensive wastewater adjusting tank 4, an air flotation tank 5, a primary sedimentation tank 6, a hydrolysis acidification tank 7, a biological contact oxidation tank 8, a secondary sedimentation tank 9, a final sedimentation tank 10, a sludge concentration tank 11, a septic tank 13, a domestic sewage adjusting tank 14, a chemical feeding system and waste tank liquid, wherein the waste tank liquid is divided into high-concentration waste tank liquid 1 and low-concentration waste tank liquid 3, the high-concentration waste tank liquid 1 is discharged into the high-concentration wastewater adjusting tank 2 through a pipeline, a lift pump is arranged in the high-concentration wastewater adjusting tank 2, the high-concentration wastewater adjusting tank 2 is connected with the comprehensive wastewater adjusting tank 4 through the lift pump, the low-concentration wastewater 3 is discharged into the comprehensive wastewater adjusting tank 4 through the pipeline, a lift pump is arranged in the comprehensive wastewater adjusting tank 4, the comprehensive wastewater adjusting tank 4 is connected with the air flotation tank 5 through the lift pump, the air flotation tank 5 is connected with the primary sedimentation tank 6 through a pipeline, the primary sedimentation tank 6 and the hydrolysis acidification tank 7 are connected by a pipeline, the hydrolysis acidification tank 7 and the biological contact oxidation tank 8 are connected by a pipeline, the biological contact oxidation tank 8 and the secondary sedimentation tank 9 are connected by a pipeline, the secondary sedimentation tank 9 and the final sedimentation tank 10 are connected by a pipeline, the septic tank 13 and the domestic sewage adjusting tank 14 are connected by a pipeline, the domestic sewage adjusting tank 14 and the comprehensive wastewater adjusting tank 4 are connected by a pipeline, and the domestic sewage tank 14 is provided with a grid well.
An aeration pipe network is arranged in the comprehensive wastewater adjusting tank 4.
And a stirring device and a sludge scraping device are arranged in the air flotation tank 5, and the air flotation tank 5 is connected with a sludge concentration tank 11.
The primary sedimentation tank 6 is internally provided with a central guide cylinder, a stirring device and a sludge pump, and the primary sedimentation tank 6 is connected with a sludge concentration tank 11.
The hydrolysis acidification tank 7 and the biological contact oxidation tank 8 are both provided with a micropore aeration device and a combined filler, and the material of the combined filler is PVC.
The secondary sedimentation tank 9 is internally provided with a sludge reflux pump and a central guide cylinder, and the secondary sedimentation tank 9 is connected with a sludge concentration tank 11.
The final sedimentation tank 10 is internally provided with a stirring device, a central guide cylinder and a sludge reflux pump, and the final sedimentation tank 10 is connected with a sludge concentration tank 11.
The sludge concentration tank 11 is connected with the comprehensive wastewater adjusting tank 4 through a pipeline, a pneumatic diaphragm pump is arranged in the sludge concentration tank 11, and a diaphragm filter press 12 is installed on one side of the sludge concentration tank 11.
The medicine system includes PAM charge device, PAC charge device, sour charge device, is equipped with the PAM medicament among the PAM charge device, is equipped with the PAC medicament among the PAC charge device, is equipped with sour among the sour charge device, charge system and air supporting pond 5, the pond 6 that just sinks, sink pond 10 to finish and be connected, be equipped with reaction zone and atmospheric floating zone in the air supporting pond 5, be equipped with reaction zone and settling zone in the pond 6 that just sinks, sink pond 10 to finish.
The secondary sedimentation tank 9 is connected with the hydrolysis acidification tank 7, so that part of precipitated sludge flows back to the hydrolysis acidification tank for secondary sedimentation, and the wastewater treatment effect is improved.
The utility model discloses during the use, at first with degreasing waste tank liquid in the enterprise production, silane waste tank liquid, electrophoresis tank liquid scrap back sink waste water and other high concentration waste water arrange to high concentration waste water equalizing basin regulating reservoir behind the pipeline collection in, then take out to the comprehensive waste water equalizing reservoir according to certain proportion every day, low concentration waste water (degreasing washing waste water, silane washing waste water etc.) directly arranges into the comprehensive waste water equalizing reservoir and mixes with the high concentration waste water who arranges into simultaneously, the sewage in the septic tank arranges into domestic sewage equalizing reservoir behind the pipeline collection in simultaneously, debris such as sanitary towel, plastic bag in the sewage are filtered through the grid well in the domestic sewage equalizing reservoir; then, the water quality and the water quantity are integrated through an aeration pipe network in the integrated sewage adjusting tank, the water is lifted to a dosing reaction zone in an air floatation tank through a pump, meanwhile, an acid, PAC and PAM flocculating agent are added into the dosing reaction zone in the air floatation tank, the PH value of the flocculating agent is controlled to be between 8 and 9, the wastewater and the agent are fully mixed and then flow into the air floatation zone for air floatation treatment, suspended pollutants and oil and fat substances which are difficult to precipitate float on the surface of the wastewater through an air floatation device, and then the wastewater is scraped to a sludge concentration tank through a sludge scraper; the effluent of the air floatation tank flows to a reaction zone in the primary sedimentation tank automatically, and acid, PAC and PAM agents are added into the reaction zone at the same time, and the PH value is controlled between 8 and 8.5; the reagent and the wastewater are fully reacted in the reaction zone and then flow to the precipitation zone for precipitation, supernatant after precipitation automatically flows to a hydrolysis acidification tank, precipitated sludge is pumped to a sludge concentration tank by a sludge pump, an aeration device and combined filler are arranged in the hydrolysis acidification tank, the wastewater after hydrolysis acidification treatment automatically flows to a biological contact oxidation tank, a micropore aeration device and combined filler are arranged in the biological contact oxidation tank, a large amount of organic pollutants, ammonia nitrogen and other pollutants in the wastewater can be removed through hydrolysis acidification and digestion and reverse digestion of aerobic strains, then effluent automatically flows to a secondary sedimentation tank which is a vertical flow type sedimentation tank, precipitated sludge flows back to the hydrolysis acidification tank, residual sludge is pumped to the sludge concentration tank, supernatant automatically flows to a final sedimentation tank, and a small amount of suspended pollutants, dead sludge and the like exist in the secondary sedimentation tank, so that a small amount of PAC and PAM reagent is added in the reaction zone, the reagent and the wastewater are fully reacted in the reaction zone and then are precipitated in the precipitation zone, the precipitated sludge is discharged to a sludge concentration tank, and the supernatant automatically flows to a standard discharge channel to be discharged after reaching the standard; and simultaneously discharging the supernatant of the sludge concentration tank to the comprehensive wastewater regulating tank, pumping the concentrated sludge to a membrane filter press through a pneumatic membrane pump for dehydration, packaging and stacking the dehydrated sludge cakes, uniformly and properly treating the sludge cakes according to local environmental protection requirements, and conveying filtrate generated during sludge dehydration to the comprehensive wastewater regulating tank for purification treatment. The treatment efficiency is high, the purification effect is good, high-concentration wastewater, low-concentration wastewater and domestic sewage can be subjected to centralized treatment, solid-liquid separation is realized in the treatment, the treated water quality can reach the standard of standard discharge, and the method has practicability and universality of use.
The utility model discloses a high concentration waste water equalizing basin and comprehensive waste water equalizing basin's effect is: the quality and quantity of the waste water are adjusted, so that the whole system can continuously run at an average flow rate, and meanwhile, inorganic particles with high specific gravity are separated from the waste water, and a water pump and a pipeline are protected from being abraded.
The PAM dosing device, the PAC dosing device and the acid dosing device are all provided with tubular flow meters, so that the control of the injection amount of the medicament is realized.
The utility model discloses a scheme have already dropped into practical application in, reached its predetermined effect.
The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (7)
1. An enterprise wastewater comprehensive treatment system comprises a high-concentration wastewater adjusting tank, a comprehensive wastewater adjusting tank, an air flotation tank, a primary sedimentation tank, a hydrolysis acidification tank, a biological contact oxidation tank, a secondary sedimentation tank, a final sedimentation tank, a sludge concentration tank, a septic tank, a domestic sewage adjusting tank and a dosing system, wherein a lifting pump is arranged in the high-concentration wastewater adjusting tank, the high-concentration wastewater adjusting tank is connected with the comprehensive wastewater adjusting tank through the lifting pump, the comprehensive wastewater adjusting tank is internally provided with the lifting pump, the comprehensive wastewater adjusting tank is connected with the air flotation tank through the lifting pump, the air flotation tank is connected with the primary sedimentation tank through a pipeline, the primary sedimentation tank is connected with the hydrolysis acidification tank through a pipeline, the hydrolysis acidification tank is connected with the biological contact oxidation tank through a pipeline, the biological contact oxidation tank is connected with the secondary sedimentation tank through a pipeline, the secondary sedimentation tank is connected with the final sedimentation tank through a pipeline, and the septic tank is connected with the domestic sewage adjusting tank through, domestic sewage equalizing basin adopts the pipe connection with synthesizing the waste water equalizing basin, its characterized in that: the comprehensive wastewater adjusting tank is internally provided with an aeration pipe network, the domestic sewage tank is internally provided with a grid well, the dosing system comprises a PAM dosing device, a PAC dosing device and an acid dosing device, the dosing system is connected with the air floatation tank, the primary sedimentation tank and the final sedimentation tank, the air floatation tank is internally provided with a reaction zone and an air floatation zone, and the primary sedimentation tank and the final sedimentation tank are internally provided with a reaction zone and a sedimentation zone.
2. The integrated enterprise wastewater treatment system according to claim 1, wherein: and the air floatation tank is internally provided with a stirring device and a mud scraping device and is connected with a sludge concentration tank.
3. The integrated enterprise wastewater treatment system according to claim 1, wherein: the primary sedimentation tank is internally provided with a central guide cylinder, a stirring device and a sludge pump, and is connected with a sludge concentration tank.
4. The integrated enterprise wastewater treatment system according to claim 1, wherein: the hydrolysis acidification tank and the biological contact oxidation tank are both provided with a micropore aeration device and a combined filler, and the material of the combined filler is PVC.
5. The integrated enterprise wastewater treatment system according to claim 1, wherein: and a sludge reflux pump and a central guide cylinder are arranged in the secondary sedimentation tank, and the secondary sedimentation tank is connected with a sludge concentration tank.
6. The integrated enterprise wastewater treatment system according to claim 1, wherein: and a stirring device, a central guide cylinder and a sludge reflux pump are arranged in the final sedimentation tank, and the final sedimentation tank is connected with a sludge concentration tank.
7. The integrated enterprise wastewater treatment system according to claim 1, wherein: the sludge concentration tank is connected with the comprehensive wastewater adjusting tank through a pipeline, a pneumatic diaphragm pump is arranged in the sludge concentration tank, and a diaphragm filter press is installed on one side of the sludge concentration tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920947412.4U CN210595673U (en) | 2019-06-24 | 2019-06-24 | Enterprise wastewater comprehensive treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920947412.4U CN210595673U (en) | 2019-06-24 | 2019-06-24 | Enterprise wastewater comprehensive treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210595673U true CN210595673U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920947412.4U Expired - Fee Related CN210595673U (en) | 2019-06-24 | 2019-06-24 | Enterprise wastewater comprehensive treatment system |
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| Country | Link |
|---|---|
| CN (1) | CN210595673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112794566A (en) * | 2020-12-28 | 2021-05-14 | 长沙戴湘汽配科技有限公司 | Sewage recycling technology |
| CN114853097A (en) * | 2022-06-10 | 2022-08-05 | 连云港石化有限公司 | Pretreatment system for reducing high-concentration sewage |
-
2019
- 2019-06-24 CN CN201920947412.4U patent/CN210595673U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112794566A (en) * | 2020-12-28 | 2021-05-14 | 长沙戴湘汽配科技有限公司 | Sewage recycling technology |
| CN114853097A (en) * | 2022-06-10 | 2022-08-05 | 连云港石化有限公司 | Pretreatment system for reducing high-concentration sewage |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |