WO2012100507A1 - 洗车和洗衣废水循环使用处理方法及其设备 - Google Patents

洗车和洗衣废水循环使用处理方法及其设备 Download PDF

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Publication number
WO2012100507A1
WO2012100507A1 PCT/CN2011/076934 CN2011076934W WO2012100507A1 WO 2012100507 A1 WO2012100507 A1 WO 2012100507A1 CN 2011076934 W CN2011076934 W CN 2011076934W WO 2012100507 A1 WO2012100507 A1 WO 2012100507A1
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Prior art keywords
water
pump
filter
membrane filter
hair
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PCT/CN2011/076934
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English (en)
French (fr)
Inventor
吴紫城
Original Assignee
Wu Zicheng
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Application filed by Wu Zicheng filed Critical Wu Zicheng
Priority to US13/450,452 priority Critical patent/US20120205310A1/en
Publication of WO2012100507A1 publication Critical patent/WO2012100507A1/zh

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/002Grey water, e.g. from clothes washers, showers or dishwashers
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/44Nature of the water, waste water, sewage or sludge to be treated from vehicle washing facilities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/40Liquid flow rate
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/42Liquid level

Definitions

  • the car wash and laundry waste water recycling treatment method and equipment thereof relate to a kind of tap water (water quality up to pure water standard) capable of treating high turbidity and low turbidity laundry or car wash wastewater and recycling Methods and equipment. It is especially suitable for units and individuals who need large amounts of water, such as large laundry car washes and hotel laundry rooms.
  • the object of the present invention is to provide a washing and washing wastewater recycling treatment method and equipment thereof for the above-mentioned deficiencies, which is capable of treating high turbidity and low turbidity laundry or car wash wastewater into clean tap water, and the water quality is up to Pure water standard, and a method of recycling and its equipment.
  • the car wash and laundry wastewater recycling treatment methods and equipment are implemented by the following technical solutions:
  • Car wash and laundry wastewater recycling treatment methods are:
  • the temperature range of the wastewater is required to be 0-90 ° C ;
  • the pre-treated water and water pressure are raised to 2 - 5H3 ⁇ 4 by the combination of the transfer pump and the booster pump.
  • the organic membrane filter or the inorganic membrane filter is used to remove impurities such as sediment, grease stains, human dander and bacteria. After removal, the turbidity of the water can be reduced to below 1 degree (NRJ), but the detergent remains in the clean water and the water is alkaline.
  • the above-mentioned detergent-containing purified water is treated by the activated carbon in the activated carbon filter and the ultraviolet lamp in the ultraviolet lamp sterilizing device, and some organic substances and bacteria in the water have been removed, and the treated purified water is stored in a sanitary grade.
  • a pH adjusting device is adopted, the pH adjusting device has a syringe pump and a water tank, the pH tank is filled with a pH adjusting agent, and the pH adjusting agent is injected through the syringe pump, and is stored in the purified water storage tank.
  • the clean water quality of the detergent is neutral, and the partially adjusted neutral water can be transported by the transfer pump to the laundry or car wash point for the initial cleaning of the clothes or the car;
  • Car wash and laundry wastewater recycling treatment equipment including flocculation sedimentation tank, pre-filter, flocculation syringe pump, lift pump, transfer pump, hair filter, booster pump, organic membrane filter or inorganic membrane filter, activated carbon filter, flow Table, UV lamp ( ) sterilization device and reverse osmosis device.
  • a lift pump is installed on the side of the flocculation sedimentation tank, and a pre-filter is installed at the inlet of the lift pump and sinks into the flocculation sedimentation tank.
  • the inlet of the lift pump is connected to the hair filter through a pipe, and the laundry or car wash wastewater is pumped into the hair filter through a lift pump.
  • a hair filtering device is installed in the hair filter.
  • the hair filtering device includes a hair filter screen and a water cap.
  • the inlet of the pump is connected to the hair filter, the outlet of the pump is docked with the inlet of the booster pump, and the outlet of the booster pump is connected to the organic membrane filter or the inorganic membrane filter through a pipeline.
  • the transfer pump and the booster pump are combined to raise the water pressure to 4 to 5 kg, and are filtered into an organic membrane filter or an inorganic membrane filter for filtration.
  • the booster pump is connected in parallel by two units, and the purpose is to alternately use for 12 hours, so that the motor does not overheat and the coil is burnt.
  • the system is also characterized by the series connection of the transfer pump and the booster pump.
  • the two pumps one is a small flow and a large lift, and the other is a large flow and small lift.
  • the meter is connected with the inlet of the activated carbon filter, and the outlet of the activated carbon filter is connected to the inlet of the ultraviolet sterilizing device through the pipeline, and the outlet of the ultraviolet lamp sterilizing device is connected to the purified water storage tank through the pipeline, and the purified water storage tank is installed with the pH adjusting device. , the water quality is adjusted to neutral.
  • An organic filtration membrane is installed in the organic membrane filter, and the organic filtration membrane is a commercially available organic filtration membrane.
  • An inorganic filtration membrane is installed in the inorganic membrane filter, and a commercially available inorganic filtration membrane is used for the filtration of the inorganic membrane.
  • the high pressure pump inlet is connected to the purified water storage tank, and the high pressure pump outlet is connected to the reverse osmosis device and the laundry or car wash point through the pipeline.
  • the organic membrane filter or the inorganic membrane filter is provided with a set of backwashing device, the backwashing device is composed of a backwashing pump and a backwashing water storage tank, and the backwashing time and interval time are controlled by the PLC system. Rinse the surface of the filter membrane to extend life and increase work efficiency.
  • the reverse osmosis device is provided with a reverse osmosis membrane (FB/ERSE CSra S ⁇ B BR ⁇ E) which is a semipermeable membrane synthesized by artificial chemical.
  • a pre-filter made according to physical principles
  • a flocculation injection system which can blow up the impurities in the water. It is easy to be granulated and filtered, and then filtered by an organic membrane filter or an inorganic membrane filter. After passing through a hair filter, impurities such as residual hair and fibers in the water are filtered, and the organic membrane filter or inorganic membrane is removed.
  • Filter filter burden after the water is treated by organic membrane filter or inorganic membrane filter, it is divided into two parts: clean water and concentrated water.
  • the activated carbon filter After the clean water flows through the online flow meter to detect the accurate real-time flow, it enters the activated carbon filter, which can be effective. Eliminate the smell and some organic matter in the purified water.
  • an ultraviolet lamp sterilization device is installed after the activated carbon filter. It can effectively reduce the bacteria content in the purified water and prepare for the next reverse osmosis purification.
  • the water passes through the ultraviolet lamp sterilizing device, it is stored in a sanitary-grade purified water storage tank, and is waiting for the high-pressure pump to pressurize it into the reverse osmosis device.
  • the washing wastewater is treated into purified water, but this net There is still detergent in the water, and the water quality is alkaline.
  • the system uses a pH adjustment device to adjust the water quality to neutral, and then the high pressure pump is sent to the laundry or car wash point for the initial cleaning of the clothes or the car.
  • the system is equipped with a set of backwashing device for the organic membrane (inorganic membrane) filter, because after the membrane is operated for a period of time, the surface will be covered with viscous substances in the water to foul, block the membrane pores, resulting in a decrease in water production and low work efficiency.
  • the backwash system consists of a backwash pump and a backwash water storage tank. The backwashing time and interval are controlled by the PLC system to flush the surface of the membrane, prolong life and increase work efficiency.
  • the core of the reverse osmosis unit is a reverse osmosis membrane (REVERSE Ca S ⁇ B BR ⁇ E), which is a semipermeable membrane synthesized by artificial chemistry.
  • Most metals and compounds have a diameter larger than the gap of the membrane and are impermeable.
  • the diameter is about 0. 02u- 0. 4u
  • the diameter of the bacteria is about 0. 4u- 1 u, so it is even more difficult to pass through the pores of the membrane.
  • the aforementioned filtration system can effectively remove mud, sand, iron filings, fibers and organic compounds in water. After the purified water passes through the reverse osmosis unit, the detergent is effectively removed and becomes purified water, which is transported by the transfer pump to the final laundry or car wash point for the last rinse and rinse of the clothes.
  • the characteristics of the invention are as follows: 1.
  • the wastewater recovery rate is high, up to 85% and 95% can truly achieve the purpose of recycling the circulating water equipment; 2.
  • the treated circulating water has clear and transparent water, colorless and odorless, one-time water injection, and can be recycled for a long time. Use; 3.
  • the equipment has a small footprint, no need for civil construction, and the equipment can be used at any time.
  • Figure 1 is a flow chart of the laundry wastewater recycling system.
  • FIG. 1 flocculation sedimentation tank, 2, pre-filter, 3, lift pump, 4, hair filter, 5, transfer pump, 6, booster pump, 7, pressure gauge, 8, organic membrane filter or inorganic membrane Filter, 9, purified water flow meter, 10, activated carbon can, 11, ultraviolet germicidal lamp, 12, concentrated water flow meter, 13, pH adjustment device, 14, water storage tank, 15, float switch, 16 , transfer pump, 17, reverse osmosis unit (RD system), 18, backwash pump, 19, backwash water tank, 20, laundry point.
  • RD system reverse osmosis unit
  • the car wash and laundry wastewater recycling treatment equipment includes a flocculation sedimentation tank.
  • Pre-filter 2 flocculation syringe pump, lift pump 3, transfer pump 5, hair filter 4, booster pump 6, organic membrane filter or inorganic membrane filter 8, activated carbon filter 10, flow rate Table 9, ultraviolet lamp ( ) sterilization device 11 and reverse osmosis device 17.
  • a lift pump 3 is installed on the side of the flocculation sedimentation tank 1, and a pre-filter 2 is installed at the inlet of the lift pump 3, and is sunk into the flocculation sedimentation tank 1.
  • the inlet of the lift pump 3 is connected to the hair filter 4 through a pipe, and the laundry or car wash waste water is pumped into the hair filter 4 through the lift pump 3.
  • a hair filter device is installed in the hair filter 4.
  • the hair filtering device comprises a hair filter screen and a water cap.
  • the pre-filter 2 uses a stainless steel wire filter.
  • the inlet of the transfer pump 5 is connected to the hair filter 4, and the outlet of the transfer pump 5 is connected to the inlet of the booster pump 6, and the outlet of the booster pump 6 is connected to the organic membrane filter or the inorganic membrane filter 8 through a pipe.
  • the transfer pump 5 is combined with the booster pump 6 to raise the water pressure to 2 - 5 kg, and is pumped into an organic membrane filter or an inorganic membrane filter 8 for filtration.
  • the booster pump is connected in parallel by two units, and the purpose is to alternately use for 12 hours, so that the motor does not overheat and the coil is burnt.
  • the system is also characterized by the series connection of the transfer pump and the booster pump.
  • the two pumps one is a small flow and a large lift, and the other is a large flow and small lift. After the series, a total flow and total lift are obtained. It is much smaller than a single booster pump.
  • This system can also use a pump alone as a transfer pump for turbidity wastewater.
  • the water outlet of the organic membrane filter or the inorganic membrane filter 8 is connected to the inlet of the activated carbon filter 10 through the flow meter 9 through the pipeline, and the outlet of the activated carbon filter 10 is connected to the inlet of the ultraviolet lamp sterilization device 11 through the pipeline, and the ultraviolet lamp is sterilized.
  • the water outlet of the device 11 is connected to the purified water storage tank 14 through a pipeline.
  • the purified water storage tank 14 is equipped with a pH adjusting device 13 having a syringe pump and a water tank, and the water tank is filled with a pH adjusting agent through injection.
  • the pump is injected with a pH adjuster to adjust the water quality to neutral.
  • a commercially available organic filtration membrane is installed in the organic membrane filter.
  • the inorganic membrane filter is installed inside There are commercially available inorganic filtration membranes.
  • the pH adjuster uses a commercially available water treatment pH adjuster.
  • the water inlet of the high pressure pump 16 is connected to the purified water storage tank 14, and the water outlet of the high pressure pump 16 is respectively connected to the reverse osmosis device 17 and the laundry or car wash point 8 through a pipe.
  • the purified water storage tank 14 is equipped with a float level switch 15.
  • the organic membrane filter or the inorganic membrane filter 8 is provided with a set of backwashing system
  • the backwash system consists of a backwash pump 18 and a backwash water tank 19,
  • the PLC system controls the backwash time and interval time to flush the surface of the filter membrane to extend life and increase work efficiency.
  • the reverse osmosis device 17 is provided with a reverse osmosis membrane (REVERSE CQ S
  • the diameter of the bacteria is about 0. 02u- 0. 4u
  • the diameter of the bacteria is about 0.02 u- 0. 4u
  • the diameter of the bacteria is about 0. 02u- 0. 4u
  • the diameter of the bacteria is about It is 0. 4u- 1 u, so it is even more difficult to pass through the film hole.
  • Car wash and laundry wastewater recycling treatment methods are:
  • the wastewater in the wastewater collection tank is granulated by flocculation sedimentation tank, and the temperature range of the wastewater is 0- 9 CTC;
  • the above-mentioned detergent-containing purified water is treated by an ultraviolet lamp in an activated carbon filter and an ultraviolet lamp ( ) sterilizing device 11 , and some organic substances and bacteria in the water have been removed, and the treated purified water is stored in a
  • the sanitary grade purified water storage tank 14 here, a pH adjusting device is used, the pH adjusting device 13 has a syringe pump and a water tank, and the water tank is filled with a pH adjusting agent, and the pH adjusting agent is injected through the syringe pump and stored in the water tank.
  • the clean water quality of the detergent water storage tank 14 is adjusted to be neutral, and the partially adjusted neutral water can be transported by the transfer pump to the laundry or car wash point for the initial cleaning of the clothes or the car;
  • the high pressure pump 16 is pressurized, the water pressure is raised to 10 - 15 ⁇ 3 ⁇ 4, and some of the purified water that has been adjusted to be neutral is sent to the reverse osmosis device 17 for treatment, and various inorganic substances, organic substances, viruses, and water are The bacteria are further removed to produce pure water. This part of the purified water can be used to rinse the washed clothes and the final rinse of the car.
  • the car wash and laundry wastewater recycling process is accomplished as follows: 1.
  • the laundry or car wash wastewater to be treated is concentrated in a large flocculation sedimentation tank 1 on the side of the flocculation sedimentation tank 1,
  • the lift pump 3 is installed, at the inlet of the lift pump 3, the pre-filter 2 is installed, and it is sunk into the flocculation sedimentation tank 1.
  • the laundry or car wash wastewater is pumped into the hair filter 4 through the lift pump 3.
  • the inlet of the delivery pump 5 is docked with the hair filter 4, the outlet of the delivery pump 5 and the booster pump
  • the inlet of the 6 is docked, and the water pressure is raised to 2 - 5 3 ⁇ 4 in combination, and it is filtered into an organic membrane filter or an inorganic membrane filter 8 for filtration.
  • the booster pump here uses two parallel connections, the purpose is to alternate use for 12 hours, so that the motor does not overheat and the coil is burnt.
  • the system is also characterized in that the pump 5 and the booster pump 6 are connected in series. The two pumps, one is a small flow and a large lift, and the other is a large flow and small lift. After the series, a total flow and a total lift are obtained. It is much smaller than with a single booster pump.
  • This system can also use a pump alone as a transfer pump for turbidity wastewater.
  • a pressure gauge 7 is mounted on the outlet line of the booster pump 6.
  • the wastewater is treated by the organic membrane filter or the inorganic membrane filter 8, it is divided into two parts: purified water and concentrated water.
  • purified water is flowed through the online flow rate of the flow meter 9, it is input into the activated carbon filter 10, and activated carbon is filtered.
  • the device 10 can effectively remove some of the organic matter and the odor in the water.
  • the water continues to flow into the ultraviolet lamp sterilizing device 1 1 , and the ultraviolet lamp sterilizing device 11 is equipped with an ultraviolet lamp.
  • the ultraviolet ray generated by the system can effectively kill the bacteria in the water, thereby reducing the bacteria index in the water, and Prepare for reverse osmosis purification.
  • the system adopts a pH adjustment device 13 having a syringe pump and a water tank, and the water tank is provided with a pH value adjusting agent, and the pH value adjusting agent is injected through the syringe pump.
  • the high pressure pump 16 is sent to the laundry or car wash point 20 to perform initial cleaning of the laundry or the automobile.
  • the purified water storage tank 14 is provided with a float liquid level switch 15 for controlling the liquid level in the purified water storage tank 14.
  • This system is equipped with a backwash system for the organic membrane filter (inorganic membrane filter) 8, because the membrane is working for a while After that, the surface will be covered with viscous substances in the water to form scale, which will block the pores of the membrane, resulting in a decrease in water production and low work efficiency.
  • the backflushing system needle consists of a backwash pump 18 and a backwash tank 19, which is set by the PLC control system to set the backwash time and interval for flushing the surface of the membrane, extending life and increasing work efficiency. Part of the concentrated water can be returned to the inlet pipe of the pump 5 through the control enthalpy and concentrated water flow meter 12 together with the pretreated water.
  • the core of the reverse osmosis unit 17 is a reverse osmosis membrane (REVERSE Ca I S ⁇ B BR ⁇ E), which is a semi-permeable membrane synthesized by artificial chemistry.
  • the above-mentioned filtration system can effectively remove mud, sand, iron filings, fibers and organic compounds in water.
  • the various inorganic substances, organic substances, viruses and bacteria in the water are further removed to produce pure water, which is pumped to the final cleaning point for the last time for the clothes or the car. Rinse or rinse.

Description

洗车和洗衣废水循环使用处理方法及其设备 技术领域
本发明洗车和洗衣废水循环使用处理方法及其设备涉及的是一 种能将高浊度和低浊度的洗衣或洗车废水处理成为清洁的自来水(水 质可达纯净水标准)并循环使用的一种方法及其设备。 特别适用于大 型洗衣洗车厂及宾馆洗衣房等需要大量用水的单位和个人。
背景技术
当今世界水资源日益紧缺.每年的 3月 22日为世界水日,我们国 家每年的 7月 1 日 - 7月 7日为国家水周, 加强节约和保护, 实现水 资源的可持续利用是值得永远探索的课题。随着中国各城市的水费每 年都在不断增长。 怎样才能节约水源.同时节约生产经营的开支, 是 摆在每天大量用水单位及个人面前的一个急待解决的问题。按照一个 小型洗衣厂的年用水量如下: 20吨 /小时 x8小时 (工作时间) x300 天 =48000 吨, 这些水被当作污水直接排放到污水处理厂。 这么巨大 量的排放水, 如果能够在用水单位被处理回收, 再次利用的话, 不仅 可以节约大量的生产成本, 减少对水资源的浪费, 而且可以减轻国家 污水处理的负担, 是一个利国利民的重大创举。
发明内容
本发明目的是针对上述不足之处提供一种洗车和洗衣废水循环 使用处理方法及其设备, 是一种能将高浊度、低浊度的洗衣或洗车废 水处理成为清洁的自来水, 水质可达纯净水标准, 并循环使用的一种 方法及其设备。 洗车和洗衣废水循环使用处理方法及其设备是采取以下技术方 案实现:
洗车和洗衣废水循环使用处理方法为:
(一)将高浊度水或低浊度水处理成为净水, 但此净水中仍保留 有洗涤剂:
( 1 ) 采用絮凝沉淀池将废水收集池内的废水进行团絮颗粒化, 所述废水温度的要求范围: 0- 90°C ;
(2)经提升泵, 将絮凝后的高浊度或低浊度水打入毛发过滤器, 可以将毛发、 纤维等杂质先行去除;
(3)由输送泵和增压泵组合将预处理后的水,水压提升至 2- 5H¾ 打入有机膜过滤器或无机膜过滤器, 将泥沙、 油垢、 人体皮屑等杂质 及细菌去除, 水的浊度可减低至 1度 (NRJ) 以下, 但此净水中仍保 留有洗涤剂, 水呈碱性。
(二) 含洗涤剂的净水的纯化:
( 1 ) 将上述含洗涤剂的净水, 经过活性炭过滤器中活性炭和紫 外线灯杀菌装置中紫外线灯处理, 水中的部分有机物及细菌已被祛 除, 处理后的净水被存储在一个卫生级的净化水储罐内; 这里采用了 pH值调节装置, 所述 pH值调节装置具有注射泵和水箱, 水箱内装有 pH值调节剂, 通过注射泵注射 pH值调节剂, 将存储在净化水储罐内 含洗涤剂的净水水质调节成为中性,部分调节成为中性的净水可由输 送泵输送到洗衣或洗车点, 进行衣物或汽车的最初清洗;
(2) 再由高压泵加压, 水压提升至 10- 15 , 将部分调节成为 中性的净水打入反渗透装置进行处理,将水里的各种无机物、有机物、 病毒、 细菌更进一歩祛除, 生产出纯净水。 此部分纯净水可以用来对 已经洗过的衣物进行漂洗和对汽车进行最后的冲洗。
洗车和洗衣废水循环使用处理设备包括絮凝沉淀池、 预过滤器、 絮凝注射泵、 提升泵、 输送泵、 毛发过滤器、 增压泵、 有机膜过滤器 或无机膜过滤器、 活性炭过滤器、 流量表、 紫外线灯 ( )杀菌装置 和反渗透装置。
在絮凝沉淀池的边上安装有提升泵,在提升泵的进口安装有预过 滤器, 并沉入絮凝沉淀池中。提升泵的进口通过管道与毛发过滤器相 连, 洗衣或洗车废水经过提升泵, 被打入毛发过滤器中。 所述毛发过 滤器内安装有毛发过滤装置。所述毛发过滤装置包括毛发过滤丝网和 水帽。
输送泵进口与毛发过滤器连接, 输送泵出口与增压泵的进口对 接, 增压泵的出口通过管道与有机膜过滤器或无机膜过滤器相连通。 输送泵与增压泵联合将水压提升至 4一 5kg, 打入有机膜过滤器或无 机膜过滤器中进行过滤处理。所述增压泵采用 2台并联连接, 目的是 12 小时交替使用, 不至于电机过热而导致线圈烧毁。 此外, 本系统 的特点也在于输送泵和增压泵的串联, 这 2台泵, 一个是小流量大扬 程, 一个是大流量小扬程, 串联后得到一个总流量和总扬程, 这个功 耗与用单台增压泵相比较小很多。此系统也可以用单独使用一台泵作 量表和活性炭过滤器进水口连通,活性炭过滤器出水口通过管道与紫 外线杀菌装置进水口连通,紫外线灯杀菌装置出水口通过管道与净化 水储罐相连, 净化水储罐安装有 pH值调节装置, 将水质调节成为中 性。所述有机膜过滤器内安装有有机过滤膜, 所述有机过滤膜选用市 售的有机过滤膜。所述无机膜过滤器内安装有无机过滤膜, 所述无机 膜过滤选用市售的无机过滤膜。
所述高压泵进水口与净化水储罐相连,高压泵出水口通过管道分 别与反渗透装置和洗衣或洗车点相连通。
所述有机膜过滤器或无机膜过滤器, 配置了一套反冲洗装置, 反 冲洗装置由一台反冲洗泵和一个反冲洗储水罐组成,由 PLC系统控制 反冲洗时间和间隔时间, 用来对过滤膜的表面进行冲洗, 延长寿命和 提高工作效率。
所述反渗透装置设置有反渗透膜 (FB/ERSE CSra S ^B BR^E), 它是一种半透膜, 由人工化学合成。 反渗透膜平均间隙约为 0. 0001 u=10 埃米, 恰与水分子直径相比拟。 所以水分子可以在压力 作用下透过膜而到达另一面, 大多数金属及化合物直径大于膜的间 隙, 是无法透过的, 至于病毒其直径约为 0. 02u- 0. 4u, 细菌直径约 为 0. 4u- 1 u, 所以更无法透过膜孔了。
因为洗衣洗车废水里的可见物很多,包括泥沙、人体皮屑、毛发、 纤维等杂质, 需要预先对其进行处理, 这里采用预过滤器(根据物理 原理制作), 它可以过滤掉高浊度水或低浊度水中的一部分杂质, 减 轻后道过滤负担。接着采用絮凝注射系统, 它可以将水中的杂质团絮 化、 颗粒化, 便于后面有机膜过滤器或无机膜过滤器过滤祛除, 再经 过毛发过滤器, 对水中残余毛发、 纤维等杂质进一歩进行过滤, 进一 歩减轻后道有机膜过滤器或无机膜过滤器过滤负担,水经过有机膜过 滤器或无机膜过滤器处理后, 分为净水和浓水两部分, 净水经过在线 流量表探测准确的实时流量后, 进入活性炭过滤器, 它可以有效的祛 除净化水中的气味和部分有机物。由于处理后的净水里含有部分的细 菌, 所以在活性炭过滤器后设置了紫外线灯杀菌装置。可以有效的降 低净化水中的细菌含量, 为下一歩的反渗透纯化做好准备。 当水经过 紫外线灯杀菌装置后, 被存储到一个卫生级的净化水储罐中, 等待高 压泵将其加压输入到反渗透装置中,经过此阶段洗衣废水被处理成净 水, 但此净水中仍保留有洗涤剂, 水质呈碱性, 这里本系统采用了 pH值调节装置, 将水质调节成为中性后, 由高压泵输送到洗衣或洗 车点, 进行衣物或汽车的最初清洗。 本系统针对有机膜(无机膜)过 滤器, 配置了一套反冲洗装置, 因为膜在工作一段时间以后, 表面会 被水中粘性物质覆盖结垢,堵塞膜孔,造成产水量下降,工作效率低。 反冲洗系统由一台反冲洗泵和一个反冲洗储水罐组成,由 PLC系统控 制反冲洗时间和间隔时间, 用来对膜的表面进行冲洗, 延长寿命和提 高工作效率。
反渗透装置的核心是反渗透膜 (REVERSE Ca S ^B BR^E) , 它是一种半透膜, 由人工化学合成。 膜的平均间隙约为 0. 0001 u=10 埃, 恰与水分子直径相比拟。所以水分子可以在压力作用下透过膜而 到达另一面,大多数金属及化合物直径大于膜的间隙,是无法透过的, 至于病毒其直径约为 0. 02u- 0. 4u, 细菌直径约为 0. 4u- 1 u, 所以更无 法透过膜孔了。为了防止膜的堵塞和损坏, 前面提到的过滤系统都是 可以有效祛除水中泥、 沙、 铁屑、 纤维、 有机化合物。 净水经过反渗 透装置后, 洗涤剂被有效的祛除, 成为纯化水, 由输送泵输送到最终 洗衣或洗车点, 用来对衣物或进行最后一次漂洗和冲洗。
本发明特点如下 1.废水回收率高,可达 85%95%真正达到了循 环水设备循环使用的目的; 2.处理后的循环水水质清澈透明、 无色无 味,一次性注水,可长期循环使用; 3.运行维护费用低,采用双泵串联 方法, 能耗小 4.设备占地面积小, 无须土建, 设备随到随用。
附图说明
以下将结合附图对本发明作进一歩说明:
图 1为本洗衣废水循环使用系统的流程图。
图中 1、 絮凝沉淀池, 2、 预过滤器, 3、 提升泵, 4、 毛发过滤 器, 5、 输送泵, 6、 增压泵, 7、 压力表, 8、 有机膜过滤器或无机膜 过滤器, 9、 净化水流量表, 10、 活性炭罐, 11、 紫外线杀菌灯, 12、 浓化水流量表, 13、 pH值调节装置, 14、 净水储罐, 15、 浮球开关, 16、 输送泵, 17、 反渗透装置 (RD系统), 18、 反冲洗泵, 19、 反冲 洗水罐, 20、 洗衣点。
具体实施方式
参照附图 1, 洗车和洗衣废水循环使用处理设备包括絮凝沉淀池
1、 预过滤器 2、 絮凝注射泵、 提升泵 3、 输送泵 5、 毛发过滤器 4、 增压泵 6、 有机膜过滤器或无机膜过滤器 8、 活性炭过滤器 10、 流量 表 9、 紫外线灯 ( ) 杀菌装置 11和反渗透装置 17。
在絮凝沉淀池 1的边上安装有提升泵 3, 在提升泵 3的进口安装 有预过滤器 2, 并沉入絮凝沉淀池 1中。 提升泵 3的进口通过管道与 毛发过滤器 4相连, 洗衣或洗车废水经过提升泵 3, 被打入毛发过滤 器 4中。毛发过滤器 4内安装有毛发过滤装置。所述毛发过滤装置包 括毛发过滤丝网和水帽。 所述预过滤器 2采用不锈钢丝过滤网。
输送泵 5进口与毛发过滤器 4连接,输送泵 5出口与增压泵 6的 进口对接,增压泵 6的出口通过管道与有机膜过滤器或无机膜过滤器 8相连通。 输送泵 5与增压泵 6联合将水压提升至 2- 5Kg, 打入有机 膜过滤器或无机膜过滤器 8中进行过滤处理。所述增压泵采用 2台并 联连接, 目的是 12小时交替使用, 不至于电机过热而导致线圈烧毁。 此外, 本系统的特点也在于输送泵和增压泵的串联, 这 2台泵, 一个 是小流量大扬程, 一个是大流量小扬程, 串联后得到一个总流量和总 扬程, 这个功耗与用单台增压泵相比较小很多。此系统也可以用单独 使用一台泵作为浊度废水的输送泵。
所述有机膜过滤器或无机膜过滤器 8 出水口通过管道经过流量 表 9和活性炭过滤器 10进水口连通,活性炭过滤器 10出水口通过管 道与紫外线灯杀菌装置 11进水口连通,紫外线灯杀菌装置 11出水口 通过管道与净化水储罐 14相连, 净化水储罐 14安装有 pH值调节装 置 13, 所述 pH值调节装置 13具有注射泵和水箱, 水箱内装有 pH值 调节剂, 通过注射泵注射 pH值调节剂, 将水质调节成为中性。 所述 有机膜过滤器内安装有市售的有机过滤膜。所述无机膜过滤器内安装 有市售的无机过滤膜。所述 pH值调节剂采用市售水处理 pH值调节剂。 所述高压泵 16进水口与净化水储罐 14相连, 高压泵 16出水口 通过管道分别与反渗透装置 17和洗衣或洗车点 8相连通。 所述净化 水储罐 14装有浮球液位开关 15。
所述有机膜过滤器或无机膜过滤器 8, 配置了一套反冲洗系统
17, 反冲洗系统由一台反冲洗泵 18和一个反冲洗储水罐 19组成, 由
PLC系统控制反冲洗时间和间隔时间,用来对过滤膜的表面进行冲洗, 延长寿命和提高工作效率。
所述反渗透装置 17 设置有反渗透膜 ( REVERSE CQ S
^B BR^E) , 它是一种半透膜, 由人工化学合成。 膜的平均间隙约为
0. 0001 u=10 埃, 恰与水分子直径相比拟。 所以水分子可以在压力作 用下透过膜而到达另一面, 大多数金属及化合物直径大于膜的间隙, 是无法透过的, 至于病毒其直径约为 0. 02u- 0. 4u, 细菌直径约为 0. 4u- 1 u, 所以更无法透过膜孔了。
洗车和洗衣废水循环使用处理方法为:
(一) 将高浊度水或低浊度水处理成为净水, 但此净水中仍保留 有洗涤剂:
( 1 )采用絮凝沉淀池将废水收集池内的废水进行团絮颗粒化, 所 述废水温度的要求范围: 0- 9CTC ;
(2) 经提升泵 3, 将絮凝后的高浊度或低浊度水打入毛发过滤器 4, 可以将毛发、 纤维等杂质先行去除;
(3) 由输送泵 5和增压泵 6组合将预处理后的水, 水压提升至 2- 5 ¾打入有机膜过滤器或无机膜过滤器 8, 将泥沙、 油垢、 人体皮 屑等杂质及细菌去除, 水的浊度可减低至 1度 (NTU) 以下, 但此净 水中仍保留有洗涤剂, 水呈碱性;
(二) 含洗涤剂的净水的纯化。
( 1 )将上述含洗涤剂的净水, 经过活性炭过滤器中活性炭和紫外 线灯 ( ) 杀菌装置 11 中紫外线灯处理, 水中的部分有机物及细菌 已被祛除, 处理后的净水被存储在一个卫生级净化水储罐 14内; 这 里采用了 pH值调节装置,所述 pH值调节装置 13具有注射泵和水箱, 水箱内装有 pH值调节剂, 通过注射泵注射 pH值调节剂, 将存储在净 化水储罐 14内含洗涤剂的净水水质调节成为中性, 部分调节成为中 性的净水可由输送泵输送到洗衣或洗车点,进行衣物或汽车的最初清 洗;
(2) 再由高压泵 16加压, 水压提升至 10- 15Η¾, 将部分调节成 为中性的净水打入反渗透装置 17进行处理, 将水里的各种无机物、 有机物、 病毒、 细菌更进一歩祛除, 生产出纯净水。 此部分纯净水可 以用来对已经洗过的衣物进行漂洗和对汽车进行最后的冲洗。
参照流程图 1,洗车和洗衣废水循环使用处理方法是这样实现的: 1. 所需要处理的洗衣或洗车废水被集中到一个很大的絮凝沉淀 池 1内,在絮凝沉淀池 1的边上, 安装提升泵 3,在提升泵 3的进口, 安装预过滤器 2, 并沉入絮凝沉淀池 1中。 洗衣或洗车废水经过提升 泵 3, 被打入毛发过滤器 4中。
2. 输送泵 5进口与毛发过滤器 4对接,输送泵 5出口与增压泵 6的进口对接, 联合将水压提升至 2- 5 ¾, 打入有机膜过滤器或无机 膜过滤器 8中进行过滤处理。这里的增压泵采用 2台并联联接, 目的 是 12小时交替使用, 不至于电机过热而导致线圈烧毁。 此外, 本系 统的特点也在于输送泵 5和增压泵 6串联, 这 2台泵, 一个是小流量 大扬程, 一个是大流量小扬程, 串联后得到一个总流量和总扬程, 这 个功耗与用单台增压泵相比较小很多。此系统也可以用单独使用一台 泵作为浊度废水的输送泵。 所述增压泵 6出口管路上装有压力表 7。
3. 废水经过有机膜过滤器或无机膜过滤器 8处理后,分为净水 和浓水两部分, 净水经过流量表 9的在线测定流量后, 被输入到活性 炭过滤器 10中,活性炭过滤器 10可以有效的祛除部分有机物和水中 的异味。 接着, 水继续流入到紫外线灯杀菌装置 1 1 中, 紫外线灯杀 菌装置 11装有紫外线灯, 这个系统产生的紫外线, 可以有效的杀灭 水里的细菌, 从而降低水中的细菌指标, 为下一歩的反渗透纯化做好 准备。 当水经过紫外线杀菌装置 11后, 被存储到净化水储罐 14中, 等待高压泵 16将其加压输入到反渗透装置 17中,此阶段废水处理后 成为净水, 但此净水中仍保留有洗涤剂, 水质呈碱性, 这里本系统采 用了 ρΗ值调节装置 13, 所述 ρΗ值调节装置 13具有注射泵和水箱, 水箱内装有 ρΗ值调节剂,通过注射泵注射 ρΗ值调节剂到净化水储罐 14中,将水质调节成为中性后,由高压泵 16输送到洗衣或洗车点 20, 进行衣物或汽车的最初清洗。 所述净化水储罐 14中装有浮球液位开 关 15,可以控制净化水储罐 14中液位。本系统针对有机膜过滤器(无 机膜过滤器) 8, 配置了一套反冲洗系统, 因为膜在工作一段时间以 后, 表面会被水中粘性物质覆盖结垢, 堵塞膜孔, 造成产水量下降, 工作效率低。 反冲洗系统针由一台反冲洗泵 18和一个反冲洗储水罐 19组成, 由 PLC控制系统设置反冲洗时间和间隔时间, 用来对膜的 表面进行冲洗,延长寿命和提高工作效率。部分浓水可以通过控制闽、 浓水流量表 12回到输送泵 5进口管与预处理后的水一起进一歩处理。
4. 反渗透装置 17 的核心是反渗透膜 ( REVERSE Ca I S ^B BR^E) , 它是一种半透膜, 由人工化学合成。 膜的平均间隙约为 0. 0001 u=10 埃, 恰与水分子直径相比拟。 所以水分子可以在压力作 用下透过膜而到达另一面, 大多数金属及化合物直径大于膜的间隙, 是无法透过的, 至于病毒其直径约为 0. 02u- 0. 4u, 细菌直径约为 0. 4u- 1 u, 所以更无法透过膜孔了。 为了防止膜的堵塞和损坏, 前面 提到的过滤系统都是可以有效祛除水中泥、 沙、 铁屑、 纤维、 有机化 合物。 净水经过反渗透装置 17后, 将水里的各种无机物、 有机物、 病毒、 细菌更进一歩祛除, 生产出纯净水, 由泵输送到最终清洗点, 用来对衣物或汽车进行最后一次漂洗或冲洗。

Claims

权 利 要 求 书
1. 一种洗车和洗衣废水循环使用处理方法为:
(一)将高浊度水或低浊度水处理成为净水, 但此净水中仍保留有洗 涤剂:
( 1 ) 采用絮凝沉淀池将废水收集池内的废水进行团絮颗粒化, 所述 废水温度的要求范围: 0- 90°C ;
(2) 经提升泵, 将絮凝后的高浊度或低浊度水打入毛发过滤器, 可 以将毛发、 纤维杂质先行去除;
(3) 由输送泵和增压泵组合将预处理后的水, 水压提升至 2- 5 打 入有机膜过滤器或无机膜过滤器, 将泥沙、 油垢、 人体皮屑杂质及细 菌去除, 水的浊度可减低至 1度以下, 但此净水中仍保留有洗涤剂, 水呈碱性;
(二) 含洗涤剂的净水的纯化:
( 1 ) 将上述含洗涤剂的净水, 经过活性炭过滤器中活性炭和紫外线 灯杀菌装置中紫外线灯处理, 水中的部分有机物及细菌已被祛除, 处 理后的净水被存储在净化水储罐内; 这里采用了 pH值调节装置, 所 述 pH值调节装置具有注射泵和水箱, 水箱内装有 pH值调节剂, 通过 注射泵注射 pH值调节剂, 将存储在净化水储罐内含洗涤剂的净水水 质调节成为中性, 部分净水可由输送泵输送到洗衣或洗车点, 进行衣 物或汽车的最初清洗;
(2) 再由高压泵加压, 水压提升至 10- 15 , 将部分调节成为中性 的净水打入反渗透装置进行处理, 将水里的各种无机物、 有机物、 病 毒、 细菌更进一歩祛除, 生产出纯净水, 此部分纯净水可以用来对已 经洗过的衣物进行漂洗和对汽车进行最后的冲洗。
2. —种洗车和洗衣废水循环使用处理设备, 其特征在于包括絮 凝沉淀池、 预过滤器、 絮凝注射泵、 提升泵、 输送泵、 毛发过滤器、 增压泵、 有机膜过滤器或无机膜过滤器、 活性炭过滤器、 流量表、 紫 外线灯杀菌装置和反渗透装置;
在絮凝沉淀池的边上安装有提升泵,在提升泵的进口安装有预过 滤器, 并沉入絮凝沉淀池中, 提升泵的进口通过管道与毛发过滤器相 连, 洗衣或洗车废水经过提升泵, 被打入毛发过滤器中, 所述毛发过 滤器内安装有毛发过滤装置;
输送泵进口与毛发过滤器连接, 输送泵出口与增压泵的进口对 接, 增压泵的出口通过管道与有机膜过滤器或无机膜过滤器相连通, 输送泵与增压泵联合将水压提升至 4- 5kg, 打入有机膜过滤器或无机 膜过滤器中进行过滤处理;
所述有机膜过滤器或无机膜过滤器出水口通过管道经过流量表 和活性炭过滤器进水口连通,活性炭过滤器出水口通过管道与紫外线 灯杀菌装置进水口连通,紫外线灯杀菌装置出水口通过管道与净化水 储罐相连, 净化水储罐安装有 pH值调节装置, 所述 pH值调节装置具 有注射泵和水箱, 水箱内装有 pH值调节剂, 通过注射泵注射 pH值调 节剂, 将水质调节成为中性;
所述高压泵进水口与净化水储罐相连,高压泵出水口通过管道分 别与反渗透装置和洗衣或洗车点相连通。
3. 根据权利要求 2所述的洗车和洗衣废水循环使用处理设备, 其特征在于所述有机膜过滤器或无机膜过滤器,配置了一套反冲洗装 置, 反冲洗装置由一台反冲洗泵和一个反冲洗储水罐组成, 由 PLC系 统控制反冲洗时间和间隔时间, 用来对过滤膜的表面进行冲洗。
4. 根据权利要求 2所述的洗车和洗衣废水循环使用处理设备, 其特征在于所述反渗透装置设置反渗透膜,反渗透膜的平均间隙约为 0. 0001 u=10埃米。
5. 根据权利要求 2所述的洗车和洗衣废水循环使用处理设备, 其特征在于所述毛发过滤装置包括毛发过滤丝网和水帽。
6. 根据权利要求 2所述的洗车和洗衣废水循环使用处理设备, 其特征在于所述增压泵采用 2台并联连接, 输送泵和增压泵串联。
7. 根据权利要求 2所述的洗车和洗衣废水循环使用处理设备, 其特征在于所述有机膜过滤器内安装有有机过滤膜;所述无机膜过滤 器内安装有无机过滤膜。
8. 根据权利要求 2所述的洗车和洗衣废水循环使用处理设备, 其特征在于所述预过滤器采用不锈钢丝过滤网。
PCT/CN2011/076934 2011-01-28 2011-07-07 洗车和洗衣废水循环使用处理方法及其设备 WO2012100507A1 (zh)

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