CN211339076U - Industrial wastewater decoloration processing system - Google Patents
Industrial wastewater decoloration processing system Download PDFInfo
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- CN211339076U CN211339076U CN201921729999.8U CN201921729999U CN211339076U CN 211339076 U CN211339076 U CN 211339076U CN 201921729999 U CN201921729999 U CN 201921729999U CN 211339076 U CN211339076 U CN 211339076U
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- 239000010842 industrial wastewater Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000005189 flocculation Methods 0.000 claims abstract description 66
- 230000016615 flocculation Effects 0.000 claims abstract description 66
- 238000001179 sorption measurement Methods 0.000 claims abstract description 65
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000004062 sedimentation Methods 0.000 claims abstract description 47
- 238000001556 precipitation Methods 0.000 claims abstract description 28
- 238000004064 recycling Methods 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 239000008394 flocculating agent Substances 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims description 12
- 239000010802 sludge Substances 0.000 claims description 11
- 238000011010 flushing procedure Methods 0.000 claims description 10
- 230000001174 ascending effect Effects 0.000 claims description 7
- 238000004042 decolorization Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 15
- 238000010992 reflux Methods 0.000 abstract description 7
- 239000010865 sewage Substances 0.000 abstract description 4
- 239000003814 drug Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000010170 biological method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- -1 electric charge Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of sewage treatment, and discloses an industrial wastewater decoloring treatment system, which comprises a primary circulating adsorption tank, a primary high-efficiency flocculation sedimentation tank, a secondary adsorption tank, a secondary high-efficiency flocculation sedimentation tank, a filter tank and a simple recycling tank which are connected in sequence, wherein an active carbon dosing device is arranged above the primary circulating adsorption tank and the secondary adsorption tank, and an adsorption tank stirring device is arranged in the primary circulating adsorption tank and the secondary adsorption tank; be equipped with the reaction zone and the settling zone of mutual intercommunication in one-level and the high-efficient flocculation and precipitation pond of second grade, the reaction zone top is equipped with flocculating agent charge device, is equipped with flocculation and precipitation pond agitating unit in the reaction zone, and the settling zone bottom is equipped with the mud bucket district, and the one-level is equipped with the backwash pump of being connected with the mud bucket district outward respectively with the high-efficient flocculation and precipitation pond of second grade, and the backwash pump is connected with one-level circulation adsorption tank. The utility model utilizes the technique of active carbon reflux circulation re-adsorption, thereby reducing the wastewater chromaticity treatment cost; meanwhile, the dosing proportion of the activated carbon and the flocculating agent can be adjusted according to the treatment requirement, and the cost per ton of water is further controlled.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment technique and specifically relates to a decoloration processing system for industrial waste water is related to.
Background
China is a country with severe drought and water shortage, fresh water only accounts for 6% of world water resources, the per-capita water resource occupancy is only 25% of the average level of the world, the water consumption demand is continuously increased along with the rapid development of China's economy, and the water resource shortage promotes the rapid development of sewage reuse technology. In the sewage discharged in China, the discharge amount of industrial wastewater is large, and the discharged wastewater accounts for about 70-90% of the water consumption, so that the method has important significance for treating and recycling the industrial wastewater.
Most of industrial wastewater contains a large amount of colored organic matters, so that the chromaticity of the industrial wastewater is high, the chromaticity is one of sensory indexes, the removal difficulty is high, and the chromaticity wastewater with high concentration is easy to cause discomfort and opinions of residents and the like, so that the chromaticity problem in the industrial wastewater discharge is more and more emphasized.
Most of the chroma substances in the industrial wastewater are non-biodegradable or difficultly-degradable substances, the chroma removal difficulty is high by a biological method, and the commonly used chroma removal methods at present comprise an adsorption method, a coagulation method, a biological method, a membrane separation method, a chemical oxidation method, an electric flocculation method and the like. For example, the disclosure of the chinese patent document "a high-chroma wastewater chroma removal device" is published under the publication number CN206298400U, and includes a water collecting tank, a micro-electrolytic tank, and an oxidation tank, wherein a lift pump is disposed on the upper portion of the water collecting tank, wastewater in the water collecting tank can be sent to the electrolytic tank through the lift pump, micro-electrolytic fillers are filled in the electrolytic tank, an acid solution feeding pump and a transfer pump are disposed on the upper portion of the electrolytic tank, an alkali solution feeding pump and a polyvinyl amide feeding pump are disposed on the upper portion of the oxidation tank, and the chromophoric groups in the high-chroma wastewater can be degraded by using the characteristics of the micro-electrolytic fillers, so as to achieve a decoloring effect.
However, in the prior art, the chromaticity removing device and method have the defects of large dosage of required medicament, low medicament utilization rate, high treatment cost per ton of water and difficult large-scale application in order to ensure that the effluent quality reaches the standard.
Disclosure of Invention
The utility model provides an industrial wastewater decoloring treatment system, aiming at overcoming the problems that the effluent quality reaches the standard, the required medicament dosage is large, the medicament utilization rate is low, the ton water treatment cost is high, and the large-scale application is not facilitated in the chroma removing device and method in the prior art, the utilization rate of the activated carbon is improved by utilizing the technology of activated carbon backflow circulation re-adsorption after adsorption, and the wastewater chroma treatment cost is reduced by adding the activated carbon newly; meanwhile, the method can adjust the dosing proportion of the activated carbon and the flocculating agent according to the requirements of discharged water quality or recycled water quality and the recycling rate, further control the cost per ton of water, and is suitable for large-scale treatment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a system for decoloring industrial wastewater comprises a primary circulating adsorption tank, a primary efficient flocculation and precipitation tank, a secondary adsorption tank, a secondary efficient flocculation and precipitation tank, a filter tank and a simple recycling tank which are sequentially connected through pipelines, wherein activated carbon dosing devices are arranged above the primary circulating adsorption tank and the secondary adsorption tank, and an adsorption tank stirring device is arranged in the filter tank; be equipped with the reaction zone and the settling zone of mutual intercommunication in high-efficient flocculation and sedimentation tank of one-level and the high-efficient flocculation and sedimentation tank of second grade, the reaction zone top is equipped with flocculating agent charge device, is equipped with flocculation and sedimentation tank agitating unit in the reaction zone, the settling zone bottom is equipped with the mud bucket district, is equipped with the backwash pump of being connected with the mud bucket district respectively outside high-efficient flocculation and sedimentation tank of one-level and the high-efficient flocculation and sedimentation tank of second grade, and the backwash pump passes through the pipeline and is connected with one-level circulation adsorption tank.
The utility model discloses set up two adsorption tanks and two high-efficient flocculation sedimentation tanks in decoloration processing system, the active carbon after the absorption can circulate through backwash pump backward flow to one-level circulation adsorption tank and adsorb again in two high-efficient flocculation sedimentation tanks. The wastewater enters a primary circulating adsorption tank firstly, is fully mixed with newly added activated carbon and refluxed activated carbon for adsorption reaction, and is subjected to preliminary decolorization and organic matter removal; then the effluent enters a reaction zone in a primary efficient flocculation sedimentation tank, is fully mixed with a flocculating agent and then is subjected to flocculation sedimentation in a sedimentation zone, so that suspended particles and active carbon in the wastewater are precipitated to a mud bucket zone together, and part of the effluent flows back to a primary circulating adsorption tank through a reflux pump to be re-adsorbed; the effluent of the first-stage efficient flocculation sedimentation tank enters a second-stage adsorption tank, is mixed with newly added activated carbon for secondary adsorption reaction, and is further decolorized and organic matters are removed; the effluent after the secondary adsorption reaction enters a secondary efficient flocculation sedimentation tank for secondary flocculation sedimentation, suspended particles and active carbon are further precipitated to a mud bucket area, and part of the suspended particles and the active carbon flow back to the primary circulating adsorption tank for re-adsorption; and the effluent after the two times of adsorption and flocculation precipitation enters a filter tank, and the non-precipitated active carbon and suspended substances in the wastewater are further filtered, so that the effluent reaches the standard, and finally enters a simple recycling tank for recycling or discharging.
The utility model provides a wastewater decoloring treatment system, which comprises a two-stage adsorption and flocculation precipitation system, can adjust the adding proportion and adding amount of active carbon and flocculating agent during the adsorption and flocculation precipitation at all stages according to the water quality requirement, and can flexibly select and adopt one-stage or multi-stage adsorption precipitation process to control the cost per ton of water on the premise of leading the effluent water quality to reach the standard; and the adsorbed activated carbon is subjected to reflux circulation and re-adsorption, so that the utilization rate of the activated carbon is improved, the dosage of medicines is effectively reduced on the premise of ensuring that the effluent reaches the standard, the industrial wastewater decolorization treatment is efficient and economical, and the actual treatment requirement is met.
Preferably, a mud scraper is arranged in the sedimentation zone of the first-stage efficient flocculation sedimentation tank and the second-stage efficient flocculation sedimentation tank, and a water outlet weir is arranged above the sedimentation zone. A mud scraper is arranged in a settling zone of the high-efficiency flocculation sedimentation tank, so that the mud after flocculation sedimentation can be assisted to smoothly enter a mud bucket zone for backflow or discharge, and the treatment efficiency is improved; the effluent after flocculation and precipitation can flow out of the upper effluent weir and enter the next-stage treatment device.
Preferably, a sludge discharge pump connected with a sludge bucket area is respectively arranged outside the first-stage efficient flocculation sedimentation tank and the second-stage efficient flocculation sedimentation tank. During treatment, according to the treatment requirement of actual wastewater, one part of sludge precipitated in the high-efficiency flocculation sedimentation tank flows back to the first-stage circulation adsorption tank through the reflux pump for circulation and re-adsorption, and the other part of sludge is discharged to a subsequent sludge tank through the sludge discharge pump for post-treatment.
Preferably, the filter comprises a filter body, a high-level water inlet tank is arranged above one side of the filter body, a flushing tank is arranged below the other side of the filter body, a filtering unit is arranged in the filter body and comprises a water distributor, a filtering layer and a grid which are sequentially arranged from top to bottom, the water distributor is communicated with the flushing tank through a siphon and an auxiliary siphon, the siphon comprises an ascending section, a bending section and a descending section, the auxiliary siphon is communicated with the siphon at the bending section, the high-level water inlet tank is communicated with the ascending section of the siphon through a water inlet pipe, the high-level water inlet tank is connected with a second-level efficient flocculation sedimentation tank, and a water outlet weir is arranged above the filter body.
The effluent of the second-stage efficient flocculation sedimentation tank enters a high-level water inlet tank, then enters an ascending section of a siphon pipe through a water inlet pipe, is uniformly distributed on the surface of a filter layer through a water distributor, and after suspended matters are filtered through a filter layer and a grid, clear water ascends into the filter tank body and flows into a simple recycling tank through a water outlet weir; with the increase of the filtering time, the filtering layer continuously intercepts suspended matters, the head loss is gradually increased, so that the water level in the siphon pipe is continuously increased, when the water level reaches the pipe opening of the auxiliary siphon pipe, the siphon effect is generated, water passes through the filtering layer from bottom to top to back flush the filtering layer, when the water level is lowered to a certain height again, the siphon is finished, and the next filtering period is started. The filter chamber does not need a large valve and corresponding opening and closing control equipment, utilizes the water level of the filter chamber to carry out back flushing, does not need to be additionally provided with a flushing water tank and a flushing water pump, and is easy for automatic operation.
Preferably, the water distributor comprises a top cover, a water distribution baffle and a drainage plate which are sequentially arranged from top to bottom. The water inlet can be uniformly distributed on the surface of the filter layer under the action of the water distribution baffle and the drainage plate, so that the filtering effect is improved.
Preferably, a liquid level meter is arranged in the simple recycling pool, so that the stable liquid level of the treated effluent is ensured.
Preferably, a recycling pump and an external discharge pump which are connected with the simple recycling pool are arranged outside the simple recycling pool. The treated water entering the simple recycling tank can be supplied to a workshop for recycling through a recycling pump or directly discharged through an external discharge pump.
Therefore, the utility model discloses following beneficial effect has: the wastewater decoloring treatment system comprises a two-stage adsorption and flocculation precipitation system, and the adding proportion and adding amount of activated carbon and a flocculating agent during adsorption and flocculation precipitation at each stage can be adjusted according to the water quality requirement, so that one-stage or multi-stage adsorption precipitation process can be flexibly selected to control the cost per ton of water on the premise that the effluent quality reaches the standard; and the adsorbed activated carbon is subjected to reflux circulation and re-adsorption, so that the utilization rate of the activated carbon is improved, the dosage of medicines is effectively reduced on the premise of ensuring that the effluent reaches the standard, the industrial wastewater decolorization treatment is efficient and economical, and the actual treatment requirement is met.
Drawings
FIG. 1 is a process flow diagram of the present invention;
fig. 2 is a schematic diagram of the filter chamber structure of the present invention.
In the figure: 1 first-level circulating adsorption tank, 2 first-level efficient flocculation and precipitation tank, 201 reaction zone, 202 precipitation zone, 203 mud bucket zone, 3 second-level adsorption tank, 4 second-level efficient flocculation and precipitation tank, 5 filter tank, 501 filter tank body, 502 high-level water inlet tank, 503 flushing water tank, 504 top cover, 505 water distribution baffle, 506 drainage plate, 507 filter layer, 508 grid, 509 siphon, 510 auxiliary siphon, 511 water inlet pipe, 6 simple recycling tank, 7 active carbon dosing device, 8 adsorption tank stirring device, 9 flocculant dosing device, 10 flocculation and precipitation tank stirring device, 11 reflux pump, 12 mud scraper, 13 water outlet weir, 14 mud pump, 15 liquid level meter, 16 recycling pump and 17 discharge pump.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example (b):
the utility model provides an attached drawing is only the structure and the connection schematic diagram of each device, does not represent actually putting and the pipe laying. The utility model discloses instrument and device that well use do not have the specification and are conventional instrument and device among the prior art, not the utility model discloses a key.
As shown in figure 1, the industrial wastewater decolorization treatment system comprises a first-stage circulating adsorption tank 1, a first-stage efficient flocculation sedimentation tank 2, a second-stage adsorption tank 3, a second-stage efficient flocculation sedimentation tank 4, a filter tank 5 and a simple recycling tank 6 which are sequentially connected through pipelines.
And an active carbon dosing device 7 is arranged above the first-stage circulating adsorption tank and the second-stage adsorption tank, an adsorption tank stirring device 8 is arranged in the adsorption tank, and the adsorption tank stirring device is a stirring paddle driven by a driving motor.
Be equipped with the reaction zone 201 and the settling zone 202 of mutual intercommunication in high-efficient flocculation and sedimentation tank of one-level and the high-efficient flocculation and sedimentation tank of second grade, the reaction zone top is equipped with flocculating agent charge device 9, is equipped with flocculation and sedimentation tank agitating unit 10 in the reaction zone, and flocculation and sedimentation tank agitating unit is by driving motor driven stirring rake. The bottom of the settling zone is provided with a mud bucket zone 203, a mud scraper 12 is arranged in the settling zone, and an effluent weir 13 is arranged above the settling zone. The high-efficient flocculation and precipitation pond of one-level and the high-efficient flocculation and precipitation pond of second grade are equipped with the backwash pump 11 and the sludge discharge pump 14 of being connected with the bagger district respectively outward, and the backwash pump passes through the pipeline and is connected with one-level circulation adsorption tank.
As shown in FIG. 2, the filter comprises a filter body 501, a high-level water inlet tank 502 is arranged above the left side of the filter body, a flushing water tank 503 is arranged below the right side of the filter body, a filtering unit is arranged in the filter body, the filtering unit comprises a water distributor, a filtering layer 507 and a grating 508 which are sequentially arranged from top to bottom, and the water distributor comprises a top cover 504, a water distribution baffle 505 and a flow guide plate 506 which are sequentially arranged from top to bottom. The water distributor is communicated with the flushing water tank through a siphon 509 and an auxiliary siphon 510, the siphon comprises an ascending section, a bending section and a descending section, and the auxiliary siphon is communicated with the siphon at the bending section. The high-level water inlet tank is communicated with the ascending section of the siphon through a water inlet pipe 511, the high-level water inlet tank is connected with the second-stage high-efficiency flocculation sedimentation tank, and a water outlet weir is arranged above the filter body.
A liquid level meter 15 is arranged in the simple recycling tank, and a recycling pump 16 and an external discharge pump 17 which are connected with the simple recycling tank are arranged outside the simple recycling tank.
When the system of the utility model is used for treating industrial wastewater, the wastewater firstly enters the primary circulating adsorption tank, and is fully mixed with the activated carbon newly added by the activated carbon dosing device and the activated carbon reflowing from the two high-efficiency flocculation sedimentation tanks for adsorption reaction, preliminary decolorization and organic matter removal; then the effluent enters a reaction zone in a primary efficient flocculation sedimentation tank, is fully mixed with flocculating agents (PAC and PAM) added by a flocculating agent adding device and then is subjected to flocculation sedimentation in the sedimentation zone, so that suspended particles and active carbon in the wastewater are precipitated to a mud bucket zone together, and part of the wastewater flows back to a primary circulating adsorption tank through a reflux pump to be re-adsorbed; the effluent of the first-stage efficient flocculation sedimentation tank enters a second-stage adsorption tank, is mixed with newly added activated carbon for secondary adsorption reaction, and is further decolorized and organic matters are removed; the effluent after the secondary adsorption reaction enters a reaction zone in a secondary efficient flocculation sedimentation tank, is fully mixed with an added flocculating agent and then is subjected to secondary flocculation sedimentation in a sedimentation zone, suspended particles and active carbon are further precipitated in a mud bucket zone, and part of the effluent flows back to a primary circulating adsorption tank for re-adsorption; and the effluent after the two times of adsorption and flocculation precipitation enters a filter tank, and the non-precipitated active carbon and suspended substances in the wastewater are further filtered, so that the effluent reaches the standard, and finally enters a simple recycling tank for recycling or discharging.
The total amount of wastewater treatment in a certain printing and dyeing mill is 7000t/d, the pH of inlet water is = 6-9, CODcr is less than or equal to 120mg/L, and chroma is less than or equal to 80mg/L, after the wastewater is treated by the system, the pH of outlet water of reuse water is = 6-9, COD is less than 80mg/L, and chroma is less than 20 times, so that the water quality requirements of simple reuse water are met (pH = 6-9, COD is less than 100mg/L, and chroma is less than 30 times). The operation cost for treating the recycled water is 3.00 yuan/ton water (including electric charge, medicament, labor, sludge treatment cost and the like), the method is economic and efficient, and the requirements under actual treatment are met.
Claims (7)
1. A system for decoloring industrial wastewater is characterized by comprising a primary circulating adsorption tank (1), a primary efficient flocculation and precipitation tank (2), a secondary adsorption tank (3), a secondary efficient flocculation and precipitation tank (4), a filter tank (5) and a simple reuse tank (6) which are sequentially connected through pipelines, wherein an active carbon dosing device (7) is arranged above the primary circulating adsorption tank and the secondary adsorption tank, and an adsorption tank stirring device (8) is arranged in the tanks; be equipped with reaction zone (201) and the settling zone (202) of mutual intercommunication in one-level high-efficient flocculation and precipitation pond and the high-efficient flocculation and precipitation pond of second grade, the reaction zone top is equipped with flocculating agent charge device (9), is equipped with flocculation and precipitation pond agitating unit (10) in the reaction zone, the settling zone bottom is equipped with mud bucket district (203), is equipped with respectively outward in one-level high-efficient flocculation and precipitation pond and the high-efficient flocculation and precipitation pond of second grade backwash pump (11) of being connected with mud bucket district, the backwash pump passes through the pipeline and is connected with one-level circulation adsorption tank.
2. A decoloration treatment system for industrial wastewater according to claim 1, wherein a sludge scraper (12) is provided in the sedimentation zone of the first-stage high efficiency flocculation sedimentation tank and the second-stage high efficiency flocculation sedimentation tank, and a water outlet weir (13) is provided above the sedimentation zone.
3. The system for decoloring industrial wastewater according to claim 1 or 2, wherein a sludge discharge pump (14) connected with a sludge hopper area is further respectively arranged outside the primary high-efficiency flocculation sedimentation tank and the secondary high-efficiency flocculation sedimentation tank.
4. An industrial wastewater decolorization treatment system according to claim 1, wherein said filter tank includes a filter tank body (501), a high-level water inlet tank (502) is arranged above one side of the filter body, a flushing water tank (503) is arranged below the other side of the filter body, the filter tank body is internally provided with a filter unit which comprises a water distributor, a filter layer (507) and a grating (508) which are arranged from top to bottom in sequence, the water distributor is communicated with the flushing water tank through a siphon (509) and an auxiliary siphon (510), the siphon comprises an ascending section, a bending section and a descending section, the auxiliary siphon is communicated with the siphon at the bending section, the high-order intake chamber passes through inlet tube (511) intercommunication with the ascending section of siphon, the high-order intake chamber is connected with the high-efficient flocculation and precipitation pond of second grade, filtering pond body top is equipped with out the mill weir.
5. The system of claim 4, wherein the water distributor comprises a top cover (504), a water distribution baffle (505) and a flow guide plate (506) which are arranged in sequence from top to bottom.
6. A decolorization treatment system for industrial wastewater according to claim 1, wherein a liquid level meter (15) is provided in said simple reuse tank.
7. A decoloring and processing system for industrial wastewater according to claim 1, wherein a recycling pump (16) and an external discharge pump (17) connected to the simple recycling tank are arranged outside the simple recycling tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729999.8U CN211339076U (en) | 2019-10-15 | 2019-10-15 | Industrial wastewater decoloration processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729999.8U CN211339076U (en) | 2019-10-15 | 2019-10-15 | Industrial wastewater decoloration processing system |
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| CN211339076U true CN211339076U (en) | 2020-08-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113845191A (en) * | 2021-10-28 | 2021-12-28 | 北京冽泉环保科技有限公司 | A multi-stage high-efficiency coagulation and sedimentation integrated device |
| CN119797653A (en) * | 2025-01-03 | 2025-04-11 | 江苏蓝淏环境科技有限公司 | Lead-acid battery wastewater treatment method |
-
2019
- 2019-10-15 CN CN201921729999.8U patent/CN211339076U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113845191A (en) * | 2021-10-28 | 2021-12-28 | 北京冽泉环保科技有限公司 | A multi-stage high-efficiency coagulation and sedimentation integrated device |
| CN119797653A (en) * | 2025-01-03 | 2025-04-11 | 江苏蓝淏环境科技有限公司 | Lead-acid battery wastewater treatment method |
| CN119797653B (en) * | 2025-01-03 | 2025-09-16 | 江苏蓝淏环境科技有限公司 | Lead-acid battery wastewater treatment method |
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Address after: Room 1701, building 1, No.22, Xinbei Road, Oriental Century Center, Xiaoshan District, Hangzhou City, Zhejiang Province 311200 Patentee after: Kaiyuan Environmental Technology Group Co.,Ltd. Address before: Room 1701, building 1, No.22, Xinbei Road, Oriental Century Center, Xiaoshan District, Hangzhou City, Zhejiang Province 311200 Patentee before: HANGZHOU KAIYUAN ENVIRONMENTAL ENGINEERING CO.,LTD. |
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