CN201999822U - Car and clothes washing waste water recycling processing device - Google Patents

Car and clothes washing waste water recycling processing device Download PDF

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Publication number
CN201999822U
CN201999822U CN2011200302022U CN201120030202U CN201999822U CN 201999822 U CN201999822 U CN 201999822U CN 2011200302022 U CN2011200302022 U CN 2011200302022U CN 201120030202 U CN201120030202 U CN 201120030202U CN 201999822 U CN201999822 U CN 201999822U
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water
pump
filter
hair
laundrywastes
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CN2011200302022U
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吴紫城
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Nanjing H&C Water Treatment Equipment Co., Ltd.
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吴紫城
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Abstract

The utility model discloses a car and clothes washing waste water recycling processing device which comprises a flocculation settling pond, a prefilter, a flocculation injection pump, a lifting pump, a conveying pump, a hair filter, a booster pump, an organic film filter or an inorganic film filter, an active carbon filter, a flow meter, an ultraviolet lamp sterilization system and a reverse osmosis system. With the device, high-turbidity and low-turbidity car or clothes washing waste water can be processed into clean tap water and can be used in a recycling manner, and the device is particularly applicable to units and persons in large clothes and car washing factory, hotel laundries and the like needing consumption of large amount of water.

Description

Carwash and laundrywastes recycle treatment facility
Technical field
What the utility model carwash and laundrywastes recycled that treatment facility relates to is a kind of tap water (water quality can reach the pure water standard) that the laundry or the wastewater from car washer of high turbidity and low turbidity can be treated as cleaning and a kind of equipment that recycles.Be specially adapted to the entity and individual of a large amount of waters of needs such as large-scale laundry carwash factory and laundry, hotel.
Background technology
World today's water resources is in short supply day by day. and be World Water Day annual March 22, and our country is national water week on annual 1-July 7 July, strengthens saving and protection, realizes that sustainable utilization of water resources is to be worth the problem of exploration forever.Along with water rate every year in each city of China all in continuous growth.How could save the water source. saving the spending of production and operation simultaneously, is that pendulum is in every day a large amount of water units and individual's problem that urgency is to be solved in front.Year water consumption according to a small-sized laundry factory is as follows: 20 tons of/hour x8 hour (working hours) x300 days=48000 tons, these water are taken as sewage and directly are discharged into sewage work.If discharge water of enormous amount so is can be in the processed recovery of water unit, the words of Li Yonging once more, not only can save a large amount of production costs, minimizing is to the waste of water resources, and can alleviate the burden of national sewage disposal, is a great undertaking of benefiting the nation and the people.
Summary of the invention
The utility model purpose is to provide a kind of carwash and laundrywastes to recycle treatment facility at above-mentioned weak point, is a kind of tap water (water quality can reach the pure water standard) that the laundry or the wastewater from car washer of high turbidity (low turbidity) can be treated as cleaning and a kind of equipment that recycles.
It is to take following technical scheme to realize that carwash and laundrywastes recycle treatment facility:
Carwash and laundrywastes recycle treatment facility and comprise flocculation sedimentation tank, prefilter, flocculation syringe pump, lift pump, transferpump, hair filter, topping-up pump, organic membrane filter device or inorganic membrane filtration device, activated charcoal filter, rate of flow meter, UV-lamp (UV) disinfection system and reverse osmosis system.
On the limit of flocculation sedimentation tank, lift pump is installed, in the import of lift pump prefilter is installed, and sinks in the flocculation sedimentation tank.The import of lift pump links to each other with hair filter by pipeline, and laundry or wastewater from car washer are driven in the hair filter through lift pump.The hair filtration unit is installed in the described hair filter.Described hair filtration unit comprises that hair filters silk screen and water cap.
The transferpump import is connected with hair filter, and the transferpump outlet is docked with the import of topping-up pump, and the supercharging pump outlet is connected with organic membrane filter device or inorganic membrane filtration device by pipeline.Transferpump and topping-up pump are united hydraulic pressure are promoted to 4-5kg, squeeze in organic membrane filter device or the inorganic membrane filtration device and carry out filtration treatment.Described topping-up pump adopts 2 and is connected in parallel, and purpose is to be used alternatingly in 12 hours, is unlikely to motor overheating and causes coil burnout.In addition, the characteristics of native system also are the series connection of transferpump and topping-up pump, these 2 pumps, one is the big lift of low discharge, one is the little lift of big flow, obtains a total flux and total (pumping) head after the series connection, this power consumption with compare with the separate unit topping-up pump less a lot.This system also can be with using the transferpump of a pump as turbidity water separately.
Described organic membrane filter device or inorganic membrane filtration device water outlet are communicated with through net water flux table and activated charcoal filter water-in by pipeline, the activated charcoal filter water outlet is communicated with ultra-violet sterilization system water-in by pipeline, UV-lamp disinfection system water outlet links to each other with the storage tank of purifying waste water by pipeline, the storage tank of purifying waste water is equipped with the pH value adjusting device, described pH value adjusting device has syringe pump and water tank, pH value conditioning agent is housed in the water tank, by syringe pump injection pH value conditioning agent, water quality regulation is become neutrality.In the described organic membrane filter device organic filtering membrane is installed, described organic filtering membrane is selected commercially available organic filtering membrane for use.In the described inorganic membrane filtration device inorganic filter film is installed, described inorganic membrane filtration is selected commercially available inorganic filter film for use.
Described high-pressure pump water-in links to each other with the storage tank of purifying waste water, and the high-pressure pump water outlet is connected with reverse osmosis system and laundry or auto wash shop respectively by pipeline.
Described organic membrane filter device or inorganic membrane filtration device, disposed a cover back-purge system, back-purge system is made up of a backwashing pump and a back flushing water tank, by PLC system control backwashing time and pitch time, be used for the surface of filtering membrane is washed prolongs life and increasing work efficiency.
Described reverse osmosis unit is provided with reverse osmosis membrane (REVERSE OSMOSIS MEMBRANE), and it is a kind of semi-permeable membranes, by artificial chemosynthesis.The reverse osmosis membrane mean gap is about the 0.0001u=10 Ethylmercurichlorendimide, just and the water molecules diameter comparable.So water molecules can see through film under pressure and arrive another side, most of metals and compound diameter can't see through greater than the gap of film, are about 0.02u-0.4u as for its diameter of virus, the bacterium diameter is about 0.4u-1u, so more can't see through fenestra.
Carwash and laundrywastes recycle treatment process:
(1) ultra or low turbidity water are treated as water purification, but still remain with washing composition in this water purification:
(1) adopt flocculation sedimentation tank that the waste water in the wastewater collection pond is carried out a wadding granulating, the claimed range of described wastewater temperature: 0-90 ℃;
(2) via lift pump, high turbidity or low turbidity water after the flocculation are squeezed into hair filter, impurity such as hair, fiber can be removed in advance;
(3) make up pretreated water by transferpump and topping-up pump, hydraulic pressure is promoted to 2-5Kg and squeezes into organic membrane filter device or inorganic membrane filtration device, with impurity and removal of bacteria such as silt, grease, human body scurfs, the turbidity of water can be reduced to below 1 degree (NTU), but still remain with washing composition in this water purification, water is alkalescence.
(2) contain the water purifying purifying of washing composition:
(1) with the above-mentioned water purification that contains washing composition, handle through gac in the activated charcoal filter and UV-lamp disinfection system middle-ultraviolet lamp lamp, partial organic substances in the water and bacterium are dispeled, and the water purification after the processing is stored in the storage tank of purifying waste water of a health level; Here adopted the pH value adjusting device, described pH value adjusting device has syringe pump and water tank, pH value conditioning agent is housed in the water tank, by syringe pump injection pH value conditioning agent, become neutrality with being stored in the water purification water quality regulation that the storage tank of purifying waste water includes washing composition, the part adjusting becomes the neutral water purification can be transported to laundry or auto wash shop by transferpump, carries out the initial clean of clothing or automobile;
(2) again by high-pressure pump pressurization, hydraulic pressure is promoted to 10-15Kg, and just part is regulated and become the neutral water purification and squeeze into reverse osmosis unit and handle, and various inorganicss, organism, virus, bacterium in the water are further dispeled, and produces pure water.This part pure water can be used for the clothing of having washed is carried out rinsing and automobile is carried out last flushing.
Because the visible in the laundry wastewater from car washer is a lot, comprise impurity such as silt, human body scurf, hair, fiber, need in advance it to be handled, here adopt prefilter (making) according to physical principle, it can filter out a part of impurity in ultra or the low turbidity water, alleviates the road, back and filters burden.Then adopt the flocculation injecting systems; it can be with the impurity cluster waddingization in the water; granulating; being convenient to the filtration of back organic membrane filter device or inorganic membrane filtration device dispels; pass through hair filter again; to remaining hair in the water; impurity such as fiber further filter; further alleviate back road organic membrane filter device or inorganic membrane filtration device and filter burden; after water process organic membrane filter device or inorganic membrane filtration device are handled; be divided into water purification and dense water two portions; after water purification is surveyed accurately real-time traffic through online rate of flow meter; enter activated charcoal filter, it can effectively dispel smell and partial organic substances in purifying waste water.Owing to contain the bacterium of part in the water purification after handling, so behind activated charcoal filter, be provided with the UV-lamp disinfection system.Can effectively reduce the bacteria content in purifying waste water, for next step reverse osmosis purifying is got ready.After water is through the UV-lamp disinfection system, be stored in the storage tank of purifying waste water of a health level, wait for that high-pressure pump is input to its pressurization in the reverse osmosis system, be processed into water purification through this stage laundrywastes, but still remain with washing composition in this water purification, water quality is alkalescence, here native system has adopted pH value regulation system, after water quality regulation become neutrality, be transported to laundry or auto wash shop, carry out the initial clean of clothing or automobile by high-pressure pump.Native system is at organic membrane (mineral membrane) strainer, disposed a cover back-purge system, because film is after work for some time, the surface can be covered fouling by viscous substance in the water, stops up fenestra, causes water production rate to descend inefficiency.Back-purge system is made up of a backwashing pump and a back flushing water tank, by PLC system control backwashing time and pitch time, is used for the surface of film is washed prolongs life and increasing work efficiency.
The core of reverse osmosis unit is reverse osmosis membrane (REVERSE OSMOSIS MEMBRANE), and it is a kind of semi-permeable membranes, by artificial chemosynthesis.The mean gap of film is about the 0.0001u=10 dust, just and the water molecules diameter comparable.So water molecules can see through film under pressure and arrive another side, most of metals and compound diameter can't see through greater than the gap of film, are about 0.02u-0.4u as for its diameter of virus, the bacterium diameter is about 0.4u-1u, so more can't see through fenestra.For obstruction and the damage that prevents film, above-mentioned filtering system all is effectively to dispel mud in the water, sand, iron filings, fiber, organic compound.Water purification is through behind the reverse osmosis system, and washing composition is effectively dispeled, and becomes purified water, is transported to final laundry or auto wash shop by transferpump, is used for to clothing or carries out last rinsing and flushing.
The following 1. waste water reclamation rate height of the utility model characteristics can reach 85%-95%, have really reached the purpose that recirculated water equipment recycles; 2. as clear as crystal, the colorless and odorless of circulating water quality after handling, disposable water filling can recycle for a long time; 3. operation and maintenance cost is low, adopts the double pump series connection method, and little 4. occupation area of equipment of energy consumption are little, need not civil engineering, and equipment is with to usefulness.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing:
Fig. 1 recycles the schema of system for this laundrywastes.
Embodiment
With reference to accompanying drawing 1, carwash and laundrywastes recycle treatment facility and comprise flocculation sedimentation tank 1, prefilter 2, flocculation syringe pump, lift pump 3, transferpump 5, hair filter 4, topping-up pump 6, organic membrane filter device or inorganic membrane filtration device 8, activated charcoal filter 10, rate of flow meter 9, UV-lamp (UV) disinfection system 11 and reverse osmosis unit 17.
Lift pump 3 is installed on the limit of flocculation sedimentation tank 1, in the import of lift pump 3 prefilter 2 is installed, and sinks in the flocculation sedimentation tank 1.The import of lift pump 3 links to each other with hair filter 4 by pipeline, and laundry or wastewater from car washer are driven in the hair filter 4 through lift pump 3.The hair filtration unit is installed in the hair filter 4.Described hair filtration unit comprises that hair filters silk screen and water cap.Described prefilter 2 adopts the Stainless Steel Wire filtering net.
Transferpump 5 imports are connected with hair filter 4, and transferpump 5 outlets are docked with the import of topping-up pump 6, and the outlet of topping-up pump 6 is connected with organic membrane filter device or inorganic membrane filtration device 8 by pipeline.Transferpump 5 is united with topping-up pump 6 hydraulic pressure is promoted to 2-5Kg, squeezes in organic membrane filter device or the inorganic membrane filtration device 8 and carries out filtration treatment.Described topping-up pump adopts 2 and is connected in parallel, and purpose is to be used alternatingly in 12 hours, is unlikely to motor overheating and causes coil burnout.In addition, the characteristics of native system also are the series connection of transferpump and topping-up pump, these 2 pumps, one is the big lift of low discharge, one is the little lift of big flow, obtains a total flux and total (pumping) head after the series connection, this power consumption with compare with the separate unit topping-up pump less a lot.This system also can be with using the transferpump of a pump as turbidity water separately.
Described organic membrane filter device or inorganic membrane filtration device 8 water outlets are communicated with through rate of flow meter 9 and activated charcoal filter 10 water-ins by pipeline, activated charcoal filter 10 water outlets are communicated with UV-lamp disinfection system 11 water-ins by pipeline, UV-lamp disinfection system 11 water outlets link to each other with the storage tank 14 of purifying waste water by pipeline, the storage tank 14 of purifying waste water is equipped with pH value adjusting device 13, described pH value adjusting device 13 has syringe pump and water tank, pH value conditioning agent is housed in the water tank, by syringe pump injection pH value conditioning agent, water quality regulation is become neutrality.Commercially available organic filtering membrane is installed in the described organic membrane filter device.Commercially available inorganic filter film is installed in the described inorganic membrane filtration device.Described pH value conditioning agent adopts commercially available water treatment pH value conditioning agent.
Described high-pressure pump 16 water-ins link to each other with the storage tank 14 of purifying waste water, and high-pressure pump 16 water outlets are connected with reverse osmosis system 17 and laundry or auto wash shop 8 respectively by pipeline.The described storage tank 14 of purifying waste water is equipped with floating-ball level switch 15.
Described organic membrane filter device or inorganic membrane filtration device 8, disposed a cover back-purge system 17, back-purge system is made up of a backwashing pump 18 and a back flushing water tank 19, by PLC system control backwashing time and pitch time, be used for the surface of filtering membrane is washed prolongs life and increasing work efficiency.
Described reverse osmosis system 17 is provided with reverse osmosis membrane (REVERSE OSMOSIS MEMBRANE), and it is a kind of semi-permeable membranes, by artificial chemosynthesis.The mean gap of film is about the 0.0001u=10 dust, just and the water molecules diameter comparable.So water molecules can see through film under pressure and arrive another side, most of metals and compound diameter can't see through greater than the gap of film, are about 0.02u-0.4u as for its diameter of virus, the bacterium diameter is about 0.4u-1u, so more can't see through fenestra.
Carwash and laundrywastes recycle treatment process:
(1) ultra or low turbidity water are treated as water purification, but still remain with washing composition in this water purification:
(1) adopt flocculation sedimentation tank that the waste water in the wastewater collection pond is carried out a wadding granulating, the claimed range of described wastewater temperature: 0-90 ℃;
(2) via lift pump 3, high turbidity or low turbidity water after the flocculation are squeezed into hair filter 4, impurity such as hair, fiber can be removed in advance;
(3) make up pretreated water by transferpump 5 and topping-up pump 6, hydraulic pressure is promoted to 2-5Kg and squeezes into organic membrane filter device or inorganic membrane filtration device 8, with impurity and removal of bacteria such as silt, grease, human body scurfs, the turbidity of water can be reduced to below 1 degree (NTU), but still remain with washing composition in this water purification, water is alkalescence;
(2) contain the water purifying purifying of washing composition.
(1) with the above-mentioned water purification that contains washing composition, handle through gac in the activated charcoal filter and UV-lamp (UV) disinfection system 11 middle-ultraviolet lamp lamps, partial organic substances in the water and bacterium are dispeled, and the water purification after the processing is stored in a health level and purifies waste water in the storage tank 14; Here adopted the pH value adjusting device, described pH value adjusting device 13 has syringe pump and water tank, pH value conditioning agent is housed in the water tank, by syringe pump injection pH value conditioning agent, become neutrality with being stored in the water purification water quality regulation that the storage tank 14 of purifying waste water includes washing composition, the part adjusting becomes the neutral water purification can be transported to laundry or auto wash shop by transferpump, carries out the initial clean of clothing or automobile;
(2) again by high-pressure pump 16 pressurization, hydraulic pressure is promoted to 10-15Kg, and will part regulating becomes the neutral water purification and squeeze into reverse osmosis unit 17 and handle, and the various inorganicss in the water, organism, virus, bacterium are further dispeled, and produces pure water.This part pure water can be used for the clothing of having washed is carried out rinsing and automobile is carried out last flushing.
With reference to schema 1, carwash and laundrywastes recycle treatment process and are achieved in that
1. required laundry to be processed or wastewater from car washer are focused in the very big flocculation sedimentation tank 1, on the limit of flocculation sedimentation tank 1, lift pump 3 are installed, and in the import of lift pump 3, prefilter 2 is installed, and is sunk in the flocculation sedimentation tank 1.Laundry or wastewater from car washer are driven in the hair filter 4 through lift pump 3.
2. transferpump 5 imports are docked with hair filter 4, and transferpump 5 outlets are docked with the import of topping-up pump 6, unite hydraulic pressure is promoted to 2-5Kg, squeeze in organic membrane filter device or the inorganic membrane filtration device 8 and carry out filtration treatment.The topping-up pump here adopts 2 parallel connections, and purpose is to be used alternatingly in 12 hours, is unlikely to motor overheating and causes coil burnout.In addition, the characteristics of native system also are 6 series connection of transferpump 5 and topping-up pump, these 2 pumps, one is the big lift of low discharge, one is the little lift of big flow, obtains a total flux and total (pumping) head after the series connection, this power consumption with compare with the separate unit topping-up pump less a lot.This system also can be with using the transferpump of a pump as turbidity water separately.On described topping-up pump 6 export pipelines tensimeter 7 is housed.
3. after waste water process organic membrane filter device or inorganic membrane filtration device 8 are handled, be divided into water purification and dense water two portions, water purification is imported in the activated charcoal filter 10 through behind the on-line determination flow of rate of flow meter 9, and activated charcoal filter 10 can effectively be dispeled the peculiar smell in partial organic substances and the water.Then, water is continuously introduced in the UV-lamp disinfection system 11, and UV-lamp disinfection system 11 is equipped with UV-lamp, the ultraviolet ray that this system produces, can effectively kill the bacterium in the water, thereby reduce the bacterium index in the water, for next step reverse osmosis purifying is got ready.After water is through ultra-violet sterilization system 11, be stored in the storage tank 14 of purifying waste water, wait for that high-pressure pump 16 is input to its pressurization in the reverse osmosis system 17, become water purification after this stage wastewater treatment, but still remain with washing composition in this water purification, water quality is alkalescence, here native system has adopted pH value adjusting device 13, described pH value adjusting device 13 has syringe pump and water tank, pH value conditioning agent is housed in the water tank, by syringe pump injection pH value conditioning agent in the storage tank 14 of purifying waste water, water quality regulation become neutrality after, be transported to laundry or auto wash shop 20 by high-pressure pump 16, carry out the initial clean of clothing or automobile.In the described storage tank 14 of purifying waste water floating-ball level switch 15 is housed, can controls liquid level in the storage tank 14 of purifying waste water.Native system is at organic membrane filter device (inorganic membrane filtration device) 8, disposed a cover back-purge system, because film is after work for some time, the surface can be covered fouling by viscous substance in the water, stops up fenestra, causes water production rate to descend inefficiency.The back-purge system pin is made up of a backwashing pump 18 and a back flushing water tank 19, by the PLC Controlling System backwashing time and pitch time is set, and is used for the surface of film is washed prolongs life and increasing work efficiency.The dense water of part can be got back to transferpump 5 inlet pipes by control valve, concentrated stream scale 12 and further handle with pretreated water.
4. the core of reverse osmosis system 17 is reverse osmosis membrane (REVERSE OSMOSIS MEMBRANE), and it is a kind of semi-permeable membranes, by artificial chemosynthesis.The mean gap of film is about the 0.0001u=10 dust, just and the water molecules diameter comparable.So water molecules can see through film under pressure and arrive another side, most of metals and compound diameter can't see through greater than the gap of film, are about 0.02u-0.4u as for its diameter of virus, the bacterium diameter is about 0.4u-1u, so more can't see through fenestra.For obstruction and the damage that prevents film, above-mentioned filtering system all is effectively to dispel mud in the water, sand, iron filings, fiber, organic compound.Water purification is further dispeled various inorganicss, organism, virus, bacterium in the water through behind the reverse osmosis system 17, produces pure water,, is used for clothing or automobile are carried out last rinsing or flushing to the final point that cleans by pump delivery.

Claims (7)

1. carwash and laundrywastes recycle treatment facility, it is characterized in that comprising flocculation sedimentation tank, prefilter, flocculation syringe pump, lift pump, transferpump, hair filter, topping-up pump, organic membrane filter device or inorganic membrane filtration device, activated charcoal filter, rate of flow meter, UV-lamp disinfection system and reverse osmosis system;
On the limit of flocculation sedimentation tank, lift pump is installed, import at lift pump is equipped with prefilter, and sink in the flocculation sedimentation tank, the import of lift pump links to each other with hair filter by pipeline, laundry or wastewater from car washer are through lift pump, be driven in the hair filter, the hair filtration unit is installed in the described hair filter;
The transferpump import is connected with hair filter, the transferpump outlet is docked with the import of topping-up pump, the supercharging pump outlet is connected with organic membrane filter device or inorganic membrane filtration device by pipeline, transferpump and topping-up pump are united hydraulic pressure are promoted to 4-5kg, squeeze in organic membrane filter device or the inorganic membrane filtration device and carry out filtration treatment;
Described organic membrane filter device or inorganic membrane filtration device water outlet are communicated with through rate of flow meter and activated charcoal filter water-in by pipeline, the activated charcoal filter water outlet is communicated with UV-lamp disinfection system water-in by pipeline, UV-lamp disinfection system water outlet links to each other with the storage tank of purifying waste water by pipeline, the storage tank of purifying waste water is equipped with the pH value adjusting device, described pH value adjusting device has syringe pump and water tank, pH value conditioning agent is housed in the water tank, by syringe pump injection pH value conditioning agent, water quality regulation is become neutrality;
Described high-pressure pump water-in links to each other with the storage tank of purifying waste water, and the high-pressure pump water outlet is connected with reverse osmosis system and laundry or auto wash shop respectively by pipeline.
2. carwash according to claim 1 and laundrywastes recycle treatment facility, it is characterized in that described organic membrane filter device or inorganic membrane filtration device, disposed a cover back-purge system, back-purge system is made up of a backwashing pump and a back flushing water tank, by PLC system control backwashing time and pitch time, be used for the surface of filtering membrane is washed.
3. carwash according to claim 1 and laundrywastes recycle treatment facility, it is characterized in that described reverse osmosis unit is provided with reverse osmosis membrane, and the mean gap of reverse osmosis membrane is about the 0.0001u=10 Ethylmercurichlorendimide.
4. carwash according to claim 1 and laundrywastes recycle treatment facility, it is characterized in that described hair filtration unit comprises that hair filters silk screen and water cap.
5. carwash according to claim 1 and laundrywastes recycle treatment facility, it is characterized in that described topping-up pump adopts 2 and is connected in parallel, transferpump and topping-up pump series connection.
6. carwash according to claim 1 and laundrywastes recycle treatment facility, it is characterized in that in the described organic membrane filter device organic filtering membrane being installed; In the described inorganic membrane filtration device inorganic filter film is installed.
7. carwash according to claim 1 and laundrywastes recycle treatment facility, it is characterized in that described prefilter adopts the Stainless Steel Wire filtering net.
CN2011200302022U 2011-01-28 2011-01-28 Car and clothes washing waste water recycling processing device Expired - Lifetime CN201999822U (en)

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Application Number Priority Date Filing Date Title
CN2011200302022U CN201999822U (en) 2011-01-28 2011-01-28 Car and clothes washing waste water recycling processing device

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Application Number Priority Date Filing Date Title
CN2011200302022U CN201999822U (en) 2011-01-28 2011-01-28 Car and clothes washing waste water recycling processing device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102115288A (en) * 2011-01-28 2011-07-06 吴紫城 Method and equipment for recycling and treating vehicle cleaning and laundry wastewater
CN102785636A (en) * 2012-05-19 2012-11-21 贺卫初 Environment-friendly, rinse-free and zero-emission train (subway or locomotive) cleaning technology
CN102874965A (en) * 2012-10-16 2013-01-16 广州市鹏凯水处理设备有限公司 System for recycling waste water containing oil and washing water
CN111058218A (en) * 2019-11-02 2020-04-24 珠海格力电器股份有限公司 Multi-drum washing machine water circulation system and washing machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102115288A (en) * 2011-01-28 2011-07-06 吴紫城 Method and equipment for recycling and treating vehicle cleaning and laundry wastewater
CN102785636A (en) * 2012-05-19 2012-11-21 贺卫初 Environment-friendly, rinse-free and zero-emission train (subway or locomotive) cleaning technology
CN102874965A (en) * 2012-10-16 2013-01-16 广州市鹏凯水处理设备有限公司 System for recycling waste water containing oil and washing water
CN111058218A (en) * 2019-11-02 2020-04-24 珠海格力电器股份有限公司 Multi-drum washing machine water circulation system and washing machine

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Owner name: NANJING HUICHENG WATER TREATMENT EQUIPMENT CO., LT

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Effective date of registration: 20120316

Address after: 211200 Nanjing Hui River water treatment equipment Co., Ltd., No. three, Chengbei North Road, Lishui Economic Development Zone, Jiangsu, Nanjing

Patentee after: Nanjing H&C Water Treatment Equipment Co., Ltd.

Address before: 211200 Nanjing Hui River water treatment equipment Co., Ltd., No. three, Chengbei North Road, Lishui Economic Development Zone, Jiangsu, Nanjing

Patentee before: Wu Zicheng

CX01 Expiry of patent term

Granted publication date: 20111005

CX01 Expiry of patent term