CN112645532A - Vehicle washing wastewater treatment process - Google Patents
Vehicle washing wastewater treatment process Download PDFInfo
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- CN112645532A CN112645532A CN201910965716.8A CN201910965716A CN112645532A CN 112645532 A CN112645532 A CN 112645532A CN 201910965716 A CN201910965716 A CN 201910965716A CN 112645532 A CN112645532 A CN 112645532A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000008569 process Effects 0.000 title claims abstract description 33
- 238000005406 washing Methods 0.000 title claims abstract description 31
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 21
- 239000010865 sewage Substances 0.000 claims abstract description 58
- 239000012528 membrane Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 230000007062 hydrolysis Effects 0.000 claims abstract description 18
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 18
- 230000020477 pH reduction Effects 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000004062 sedimentation Methods 0.000 claims abstract description 10
- 239000002957 persistent organic pollutant Substances 0.000 claims abstract description 8
- 230000000593 degrading effect Effects 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 4
- 231100000719 pollutant Toxicity 0.000 claims abstract description 4
- 239000010802 sludge Substances 0.000 claims description 33
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000010354 integration Effects 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 210000005056 cell body Anatomy 0.000 claims description 5
- 230000037452 priming Effects 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 239000003818 cinder Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 abstract description 8
- 238000004042 decolorization Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 5
- 239000010962 carbon steel Substances 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011118 depth filtration Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a car washing wastewater treatment process, which comprises the following steps of; conveying sewage into an oil separation sedimentation tank to reduce oil stains and suspended pollutants to obtain sewage A; step two, conveying the sewage A to a comprehensive adjusting tank to obtain sewage B; step three, conveying the sewage B into a hydrolysis acidification tank for hydrolysis acidification treatment to obtain sewage C; conveying the sewage C into an MBR tank, performing advanced treatment on a small amount of organic pollutants in the sewage by using a flat MBR membrane tank, completely degrading organic matters, and completely separating suspended substances and clear water in the sewage through a membrane system; and fifthly, conveying the clear water into a clear water buffer tank for decolorization, performing advanced treatment on MBR effluent by using RO equipment, and discharging by using a pipeline to ensure that the reuse water meets the requirement. The invention can recycle the car washing wastewater, greatly reduce the waste of water resources and reduce the pollution of the car washing wastewater to the environment.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a car washing wastewater treatment process.
Background
Along with the rapid development of economy in China, the living standard of people is greatly improved, the holding quantity of automobiles in cities is continuously increased, the accompanying automobile service industry is rapidly developed, and particularly the automobile washing industry is rapidly developed. At present, the management of the car washing industry in many cities is still under regulation, the amount of waste water used for cleaning cars is very large every year, most of the waste water is directly discharged into the environment after the cars are cleaned, and the substances have certain harm to the environment due to a large amount of oil stains and particulate matters in the interior and the exterior of the cars. And the consumption of water resources is more and more large, a large amount of tap water is consumed, the price of tap water is higher, the water consumption cost of a car washing station is higher, the water consumption of a car washing bank is much higher than that of residents, water consumption of many cities is short, and stepped water price is realized, so that the cost control of the car washing bank with large water consumption is very unfavorable. The city water is increasingly tense, and the vehicles are flushed by a large amount of consumed tap water, so that the requirement of sustainable development is not met.
Disclosure of Invention
The invention aims to provide a car washing wastewater treatment process to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a car washing wastewater treatment process comprises the following steps;
conveying sewage into an oil separation sedimentation tank, removing a small amount of silt and oil stains contained in the sewage, and reducing the oil stains and suspended pollutants to obtain sewage A;
step two, conveying the sewage A to a comprehensive regulating tank, regulating sewage in different time periods and different types, and ensuring the uniformity of the quality of the sewage entering a treatment process section to obtain sewage B;
step three, conveying the sewage B into a hydrolysis acidification tank for hydrolysis acidification treatment, degrading organic pollutants with smaller components in the sewage B, facilitating effective and thorough treatment, and promoting most of the surfactant in the sewage to be degraded inside the hydrolysis tank to obtain sewage C;
conveying the sewage C into an MBR tank, performing advanced treatment on a small amount of organic pollutants in the sewage by using a flat MBR membrane tank, completely degrading organic matters, and completely separating suspended substances and clear water in the sewage through a membrane system;
and fifthly, conveying the clean water into the clean water for decoloring, and recycling or discharging the clean water.
Preferably, in the first step, the oil-separation sedimentation tank comprises a tank body, a submersible mixer, a regulating tank lift pump, a silt removing device, an oil removing and SS device and an oil collecting tank;
be provided with dive mixer I and equalizing basin elevator pump in the cell body, and dive mixer I and equalizing basin elevator pump are located lower left corner and lower right corner respectively, the output of equalizing basin elevator pump is connected with the input that removes silt device, be provided with electromagnetic flowmeter between equalizing basin elevator pump and the silt removal device, the output that removes silt device is connected with the input of deoiling and SS device, the row cinder notch of deoiling and SS device is connected with the oil receiving bucket, be provided with the liquid level controller in the cell body.
Preferably, in the fourth step, the MBR tank comprises an integrated MBR device, a submersible stirrer, an MBR flat membrane module, a self-priming pump, a fan, a membrane tank sludge reflux pump and a membrane tank sludge pump;
the input of integration MBR device links to each other with the clear mouth of a river of deoiling and SS device, the inner chamber of integration MBR device is provided with dive mixer II, the integration MBR device passes through membrane pool sludge reflux pump and links to each other with the dull and stereotyped membrane module of MBR, the dull and stereotyped membrane module of MBR links to each other with self priming pump and fan respectively, the dull and stereotyped membrane module of MBR passes through membrane pool sludge pump and links to each other with desilting device.
Preferably, an ultraviolet sterilizer is arranged between the MBR flat membrane module and the self-priming pump.
Preferably, the MBR flat membrane module is connected with a cleaning system.
Preferably, the MBR flat membrane module is sequentially connected with a sludge pump and a sludge dewatering machine.
Preferably, in the fourth step, the sludge filtered out from the MBR tank is subjected to solid-liquid separation again by using a filter press device, and is periodically dried and then externally transported.
Preferably, in the fifth step, the clean water enters a clean water tank for storage and is recycled or discharged.
Preferably, in step five, a water pump is arranged on the pipeline, and a flow meter is arranged on the pipeline and used for recording daily usage amount of the recovered water.
The car washing wastewater treatment process provided by the invention has the beneficial effects that:
1. the combined process of the oil separation sedimentation tank, the comprehensive adjusting tank hydrolysis acidification tank and the clean water tank is adopted, sludge and sewage can be fully separated and discharged, the car washing wastewater can be reused, the car washing wastewater can be recycled, the waste of water resources is greatly reduced, and the pollution of the car washing wastewater to the environment is reduced;
2. the invention adopts a simple, mature, stable, practical, economic and reasonable treatment process to achieve the purposes of saving investment and operation management cost, and has the advantages of quality assurance, stable and reliable performance, high working efficiency and convenient management of sewage treatment.
Drawings
FIG. 1 is a flow chart of a car washing wastewater treatment process according to the present invention;
FIG. 2 is a view of a partial apparatus I of a car-washing wastewater treatment process according to the present invention;
FIG. 3 is a partial view II of a car-washing wastewater treatment process according to the present invention;
FIG. 4 is a partial view III of the car-washing wastewater treatment process according to the present invention.
In the figure: 1. dive mixer I, 2, equalizing basin elevator pump, 3, desilt device, 4, deoiling and SS device, 5, receipts oil drum, 6, integration MBR device, 7, dive mixer II, 8, the dull and stereotyped membrane module of MBR, 9, self priming pump, 10, fan, 11, membrane pond mud backwash pump, 12, membrane pond sludge pump, 13, cleaning system, 14, mud pump, 15, sludge dewaterer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment, please refer to fig. 1-3, the present invention provides a technical solution: a car washing wastewater treatment process comprises the following steps;
conveying sewage into an oil separation sedimentation tank, removing a small amount of silt and oil stains contained in the sewage, and reducing the oil stains and suspended pollutants to obtain sewage A;
the sedimentation tank structure: carbon steel structure, all aboveground; the size of the pool body is as follows: 2.3X 1.5X 2.6 m; effective water depth: 1800 mm; effective volume: 6.21m3, the sewage is prevented from containing a small amount of matters such as oil stain, silt and the like generated in the cleaning process of the locomotive, and the normal operation of the equipment is influenced when the matters are directly discharged to a subsequent process section;
the oil separation sedimentation tank comprises a tank body, a submersible mixer 1, an adjusting tank lifting pump 2, a silt removing device 3, an oil removing and SS device 4 and an oil collecting barrel 5;
a submersible mixer I1 and an adjusting tank lifting pump 2 are arranged in the tank body, the submersible mixer I1 and the adjusting tank lifting pump 2 are respectively positioned at the left lower corner and the right lower corner, the output end of the adjusting tank lifting pump 2 is connected with the input end of a silt removing device 3, an electromagnetic flow meter is arranged between the adjusting tank lifting pump 2 and the silt removing device 3, the output end of the silt removing device 3 is connected with the input end of an oil removing and SS device 4, a slag discharging port of the oil removing and SS device 4 is connected with an oil collecting barrel 5, and a liquid level controller is arranged in the tank body;
step two, conveying the sewage A to a comprehensive regulating tank, regulating sewage in different time periods and different types, and ensuring the uniformity of the quality of the sewage entering a treatment process section to obtain sewage B;
synthesize equalizing basin structure: carbon steel structure, all aboveground; the size of the pool body is as follows: 5.5X 2.3X 2.6 m; effective water depth: 2400 mm; effective volume: 30.36m 3;
step three, conveying the sewage B into a hydrolysis acidification tank for hydrolysis acidification treatment, degrading organic pollutants with smaller components in the sewage B, facilitating effective and thorough treatment, and promoting most of the surfactant in the sewage to be degraded inside the hydrolysis tank to obtain sewage C;
because the sewage contains a small amount of oil, the rear-end process is difficult to completely treat, a hydrolysis acidification tank is arranged to pre-treat organic pollutants in the sewage, and the hydrolysis acidification process controls anaerobic treatment in a first stage and a second stage of anaerobic treatment with short reaction time according to different growth speeds of methanogens and hydrolysis acid-producing bacteria, namely, a process of hydrolyzing insoluble organic matters into soluble organic matters under the action of a large amount of hydrolysis bacteria and acidification bacteria and converting macromolecular substances which are difficult to biodegrade into small molecular substances which are easy to biodegrade is carried out, so that the biodegradability of the wastewater is improved, and a good foundation is laid for subsequent treatment;
the hydrolysis stage in the sewage treatment process mainly carries out, wherein hydrolysis refers to biochemical reaction carried out outside cells before organic matters enter microbial cells, the microbes complete biocatalysis reaction by releasing free enzymes outside cells or fixed enzymes connected to the outer walls of the cells, acidification is a typical fermentation process, and metabolites of the microbes are mainly various organic acids;
the structure of the tank body is as follows: carbon steel structure, the size of the all-terrain pool body: 2.3 × 2.3 × 2.6m, effective water depth: 2400mm, effective volume: 12.7m 3;
conveying the sewage C into an MBR tank, performing advanced treatment on a small amount of organic pollutants in the sewage by using a flat MBR membrane tank, completely degrading organic matters, and completely separating suspended substances and clear water in the sewage through a membrane system;
the MBR tank is a combined process of an activated sludge method and membrane filtration, and the operation of the biological membrane system greatly improves the sludge concentration in the activated sludge system, so that the activated sludge concentration normally operates at 8000-12000 mg/L, and is improved by 2-4 times compared with the traditional activated sludge concentration of 1500-3000 mg/L, and the treatment capacity of the activated sludge system is greatly improved; the adoption of the membrane system directly separates mud and water in the activated sludge system, saves a sedimentation system and a depth filtration system compared with the traditional process, saves the occupied area and reduces the investment;
the structure of the tank body is as follows: carbon steel structure, all aboveground formula, cell body size: 2.3 × 2.3 × 2.6m, effective water depth: 2400mm, effective volume: 12.7m 3;
carrying out solid-liquid separation on the sludge filtered out by the MBR tank again by using filter pressing equipment, drying the sludge at regular intervals, and carrying out external treatment on the sludge;
the MBR tank comprises an integrated MBR device 6, a submersible stirrer 7, an MBR flat plate membrane component 8, a self-priming pump 9, a fan 10, a membrane tank sludge reflux pump 11 and a membrane tank sludge pump 12;
the input end of the integrated MBR device 6 is connected with a clear water port of the oil removal and SS device 4, the inner cavity of the integrated MBR device 6 is provided with a diving stirrer II7, the integrated MBR device 6 is connected with an MBR flat membrane component 8 through a membrane pool sludge reflux pump 11, the MBR flat membrane component 8 is respectively connected with a self-priming pump 9 and a fan 10, an ultraviolet sterilizer is arranged between the MBR flat membrane component 8 and the self-priming pump 9, the MBR flat membrane component 8 is connected with a silt removal device 3 through a membrane pool sludge pump 12, the MBR flat membrane component 8 is connected with a cleaning system 13, and the MBR flat membrane component 8 is sequentially connected with a silt discharge pump 14 and a;
conveying the clear water into a clear water buffer tank for decolorization, performing advanced treatment on MBR effluent by using RO equipment, and discharging by using a pipeline to ensure that the reuse water meets the requirement;
clean water basin structure: carbon steel structure, half aboveground formula, effective size: 2.3X 1.0X 2.6 m;
a water pump is arranged on the pipeline, and a flowmeter is arranged on the pipeline and used for recording the daily usage amount of the recovered water.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A car washing wastewater treatment process is characterized in that: comprises the following steps;
conveying sewage into an oil separation sedimentation tank, removing a small amount of silt and oil stains contained in the sewage, and reducing the oil stains and suspended pollutants to obtain sewage A;
step two, conveying the sewage A to a comprehensive regulating tank, regulating sewage in different time periods and different types, and ensuring the uniformity of the quality of the sewage entering a treatment process section to obtain sewage B;
step three, conveying the sewage B into a hydrolysis acidification tank for hydrolysis acidification treatment, degrading organic pollutants with smaller components in the sewage B, facilitating effective and thorough treatment, and promoting most of the surfactant in the sewage to be degraded inside the hydrolysis tank to obtain sewage C;
conveying the sewage C into an MBR tank, performing advanced treatment on a small amount of organic pollutants in the sewage by using a flat MBR membrane tank, completely degrading organic matters, and completely separating suspended substances and clear water in the sewage through a membrane system;
and fifthly, conveying the clean water to a clean water tank for storage, and recycling or discharging the clean water.
2. The car washing wastewater treatment process according to claim 1, characterized in that: in the first step, the oil separation sedimentation tank comprises a tank body, a submersible mixer (1), a regulating tank lifting pump (2), a silt removing device (3), an oil removing and separating (SS) device (4) and an oil collecting barrel (5);
be provided with dive mixer I (1) and equalizing basin elevator pump (2) in the cell body, and dive mixer I (1) and equalizing basin elevator pump (2) are located lower left corner and lower right corner respectively, the output of equalizing basin elevator pump (2) is connected with the input that removes silt device (3), be provided with the electromagnetic flowmeter between equalizing basin elevator pump (2) and the silt device (3) that removes, the output that removes silt device (3) is connected with the input of deoiling and SS device (4), the row cinder notch of deoiling and SS device (4) is connected with oil receiving barrel (5), be provided with the liquid level controller in the cell body.
3. The car washing wastewater treatment process according to claim 1 or 2, characterized in that: in the fourth step, the MBR tank comprises an integrated MBR device (6), a submersible stirrer (7), an MBR flat membrane module (8), a self-priming pump (9), a fan (10), a membrane tank sludge reflux pump (11) and a membrane tank sludge pump (12);
the input of integration MBR device (6) links to each other with the clear mouth of a river of deoiling and SS device (4), the inner chamber of integration MBR device (6) is provided with dive mixer II (7), integration MBR device (6) link to each other with dull and stereotyped membrane module of MBR (8) through membrane cisterna sludge reflux pump (11), dull and stereotyped membrane module of MBR (8) link to each other with self priming pump (9) and fan (10) respectively, dull and stereotyped membrane module of MBR (8) link to each other with desilt device (3) through membrane cisterna sludge pump (12).
4. The car washing wastewater treatment process according to claim 3, characterized in that: an ultraviolet sterilizer is arranged between the MBR flat membrane module (8) and the self-priming pump (9).
5. The car washing wastewater treatment process according to claim 3, characterized in that: the MBR flat membrane module (8) is connected with a cleaning system (13).
6. The car washing wastewater treatment process according to claim 3, characterized in that: the MBR flat membrane module (8) is sequentially connected with a sludge pump (14) and a sludge dewatering machine (15).
7. The car washing wastewater treatment process according to claim 1, characterized in that: and in the fourth step, performing solid-liquid separation on the sludge filtered out from the MBR tank by using filter pressing equipment, periodically drying the sludge, and externally transporting the sludge.
8. The car washing wastewater treatment process according to claim 1, characterized in that: and step five, storing clear water in a clear water tank, and recycling or discharging the clear water.
9. The car washing wastewater treatment process according to claim 1, characterized in that: and step five, arranging a water pump on the pipeline, and installing a flowmeter on the pipeline for recording the daily usage amount of the recovered water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910965716.8A CN112645532A (en) | 2019-10-12 | 2019-10-12 | Vehicle washing wastewater treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910965716.8A CN112645532A (en) | 2019-10-12 | 2019-10-12 | Vehicle washing wastewater treatment process |
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| CN112645532A true CN112645532A (en) | 2021-04-13 |
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| CN201910965716.8A Pending CN112645532A (en) | 2019-10-12 | 2019-10-12 | Vehicle washing wastewater treatment process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443789A (en) * | 2021-07-20 | 2021-09-28 | 高辉 | Efficient water-saving car washing system and method for coating car with polymer nano alloy coating |
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|---|---|---|---|---|
| CN1765778A (en) * | 2005-08-25 | 2006-05-03 | 上海交通大学 | Railway wash water recovery and utilization method |
| WO2009049401A1 (en) * | 2007-10-15 | 2009-04-23 | Seprotech Systems Incorporated | An integrated water processing technology |
| CN201990580U (en) * | 2011-02-28 | 2011-09-28 | 济南美丰环保产品有限公司 | Recycle car washing waste water treating system |
| CN202529955U (en) * | 2012-05-08 | 2012-11-14 | 深圳市汇清科技有限公司 | Recycling treatment equipment for vehicle washing wastewater |
| WO2015184471A2 (en) * | 2014-05-30 | 2015-12-03 | Znano Llc | Systems for treating water |
| CN206069651U (en) * | 2016-10-13 | 2017-04-05 | 广州家怡净水设备有限公司 | Car-washing sewage regeneration full automatic processing equipment |
| CN206289123U (en) * | 2016-12-07 | 2017-06-30 | 中铁上海设计院集团有限公司 | A kind of processing system for metro depot car-washing sewage |
-
2019
- 2019-10-12 CN CN201910965716.8A patent/CN112645532A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1765778A (en) * | 2005-08-25 | 2006-05-03 | 上海交通大学 | Railway wash water recovery and utilization method |
| WO2009049401A1 (en) * | 2007-10-15 | 2009-04-23 | Seprotech Systems Incorporated | An integrated water processing technology |
| CN201990580U (en) * | 2011-02-28 | 2011-09-28 | 济南美丰环保产品有限公司 | Recycle car washing waste water treating system |
| CN202529955U (en) * | 2012-05-08 | 2012-11-14 | 深圳市汇清科技有限公司 | Recycling treatment equipment for vehicle washing wastewater |
| WO2015184471A2 (en) * | 2014-05-30 | 2015-12-03 | Znano Llc | Systems for treating water |
| CN206069651U (en) * | 2016-10-13 | 2017-04-05 | 广州家怡净水设备有限公司 | Car-washing sewage regeneration full automatic processing equipment |
| CN206289123U (en) * | 2016-12-07 | 2017-06-30 | 中铁上海设计院集团有限公司 | A kind of processing system for metro depot car-washing sewage |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443789A (en) * | 2021-07-20 | 2021-09-28 | 高辉 | Efficient water-saving car washing system and method for coating car with polymer nano alloy coating |
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Application publication date: 20210413 |