CN110104852A - It is a kind of can be by the car wash water water supply device of wastewater from car washer cycling and reutilization - Google Patents
It is a kind of can be by the car wash water water supply device of wastewater from car washer cycling and reutilization Download PDFInfo
- Publication number
- CN110104852A CN110104852A CN201910488742.6A CN201910488742A CN110104852A CN 110104852 A CN110104852 A CN 110104852A CN 201910488742 A CN201910488742 A CN 201910488742A CN 110104852 A CN110104852 A CN 110104852A
- Authority
- CN
- China
- Prior art keywords
- water
- outlet
- pot
- carwash
- solid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4691—Capacitive deionisation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/44—Nature of the water, waste water, sewage or sludge to be treated from vehicle washing facilities
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
It is a kind of can be by the car wash water water supply device of wastewater from car washer cycling and reutilization, including wastewater collection pond, except silt particle portion, middle water pot, clean water tank, carwash water supplying pipe, processing unit and electrical equipment control portion, wastewater collection pond is connected with the water inlet except silt particle portion, except the water outlet in silt particle portion is connected with the upper entrance of processing unit, the upper outlet of processing unit is connected with the inner cavity of middle water pot, middle water in middle water pot is connected with carwash water supplying pipe, solid material positioned at processing unit lower part is exported to be connected with carwash water supplying pipe, conveying mechanism is provided in processing unit, clean water tank is connected through valve with carwash water supplying pipe, electrical equipment control portion passes through route and conveying mechanism, the open and close valve of valve and carwash water supplying pipe is connected.The advantage is that: automobile washing effect is good；Waste water and solid cleaning material can recycle, handle, recycle, practical, economizes on resources, reduces the cleaning cost of cleaning vehicle.
Description
Technical field
The present invention relates to a kind of vehicle cleaning technique field, it is especially a kind of can be by the carwash of wastewater from car washer cycling and reutilization
Water water supply device.
Background technique
It is existing it is a kind of application No. is it is 201610520810.9 entitled " it is a kind of using circular treatment waste water, sewage is self-service washes
Vehicle system " Chinese invention patent application disclose and a kind of utilize circular treatment waste water, the self-service vehicle washing system of sewage, including sewage
Processing unit, water purification produce unit, self-service carwash unit and intelligent control unit, which uses modularization intelligent Compliance control
System produces unit, sewage treatment unit, self-service carwash unit and intelligent control unit by pure water and forms integral system,
The manufacturing cost of such machinery equipment is significantly reduced, space hold is reduced, is easy to use maintenance；The invention is completely real
Showed save water and energy, the requirement of environment protection health, substantially increase the utilization rate of water resource.However, the system lacks separation, returns
The structure of solid cleaning material is received, recycled, solid cleaning material processing sewage can not be utilized.Moreover, the system and other existing skills
Art is the same, is all to use the middle water for passing through high purification to indistinction during entire carwash, the scavenging materials such as PP filter core
Consumption is very big, back flush or material update it is more frequent, it is not only at high cost, plant maintenance difficulty is big, also without practical necessity
Property, but seriously undermine economic serviceability of this water treatment technology in real use.Therefore, the structure of the system need to also be into
One step is improved.
Summary of the invention
The technical problem to be solved by the present invention is to for above-mentioned state of the art and provide it is a kind of can be by wastewater from car washer
There is simple equipment composition, small investment, maintenance to be easy, be suitable for solid for the car wash water water supply device of cycling and reutilization, the present apparatus
The recycling and addition of material are cleaned, and the advantages of high degree of automation.
The technical scheme of the invention to solve the technical problem is: instinct washing wastewater from car washer cycling and reutilization
Vehicle water water supply device, includes wastewater collection pond, it is characterised in that: the car wash water water supply device further include except silt particle portion, in
Water pot, clean water tank, carwash water supplying pipe, can collect solid cleaning material and to carwash water supplying pipe be added solid cleaning material processing unit with
And electrical equipment control portion, the wastewater collection pond are connected by pipeline with the water inlet except silt particle portion, the going out except silt particle portion
The mouth of a river is connected by pipeline with the upper entrance of the processing unit, the inner cavity phase of the upper outlet of the processing unit and middle water pot
It is connected to, the middle water in middle water pot is connected by pipeline with carwash water supplying pipe, the outlet of solid material and carwash positioned at processing unit lower part
Water supplying pipe is connected, and solid can be cleaned in material by being provided in the processing unit is fed through in carwash water supplying pipe through solid material outlet
Conveying mechanism, the clean water tank are connected through valve with carwash water supplying pipe by pipeline, the electrical equipment control portion by route with
The open and close valve of conveying mechanism, valve and carwash water supplying pipe is connected.
As an improvement, the processing unit includes the material pot of energy store solids cleaning material, solid can be cleaned material and be delivered to
Gu expecting the blender of outlet and can cross the filter mechanism of filter solid cleaning material, the stirring rod of the blender is set in material pot
Inner cavity in, the lower end of the stirring rod is located in solid material outlet, and the blender is conveying mechanism, the processing import position
In the tank body top of material pot, the upper outlet is located at the top of the tank of material pot, and the filter mechanism setting goes out on top
On the corresponding tank body of mouth, inner cavity of the waste water through filter mechanism after being separated by filtration solid cleaning material is connected with upper outlet and energy
The inner cavity of middle water pot is sent to by pipeline.
It is further improved, the filter mechanism is to pass through waste water and stop the filter screen that solid cleaning material passes through, described
Filter screen surrounds cage body structure, is fixed on the inner wall top surface of material pot at the top of the filter screen.
It is further improved, the solid cleaning material is plant granule, and the size of particle is not more than the nozzle of carwash water supplying pipe
0.9 times of effective aperture and be not less than 100 microns；Or, the solid cleaning material is of active carbon powder or nonmetallic mineral
Grain object, the particle of the nonmetallic mineral are as follows: the size of talcum powder, graphite powder or sepiolite powder, granule is no more than nozzle etc.
It imitates 0.85 times of aperture and is not less than 100 microns；Or, the solid cleaning material is elastic polymer material or the powder of its product
End, or the elastic granule with sealed porosity structure, the size of particle are not more than 1.5 times of nozzle effective aperture without small
In 100 microns；Or, the solid cleaning material is a kind of aperture skeleton structure particle, the aperture skeleton structure particle are as follows: aperture
Plastic foam particle or sponge particles, the size of particle is not less than 100 microns no more than 2.5 times of nozzle effective aperture；
Or, solid cleaning material is pieces of cloth particle, the size of particle is micro- not less than 100 no more than 2.5 times of nozzle effective aperture
Rice；Or, the solid cleaning material is a kind of fiber, the fiber is plant fiber, chemical fibre or other staple fibres, fiber
Length be not less than 100 microns no more than 4.5 times of nozzle effective aperture；Or, the solid cleaning material is above-mentioned a variety of materials
Matter mixing, the modified material that is process, the size of particle are micro- not less than 100 no more than 4.5 times of nozzle effective aperture
Rice.
As an improvement, described except silt particle portion is the cyclone of silt particle in energy centrifugal sedimentation water, the cyclone is straight in top
The small cone structure of the big lower diameter of diameter, the water inlet are located on the side wall of cyclone, and silt particle outlet is located at the bottom of cyclone
Portion is located at the top of cyclone containing the water outlet that solid cleans material waste water.
As an improvement, deep water treatment device is provided between the middle water pot and clean water tank, the depth-averaged model dress
It sets and is sent into the middle water of middle water pot in clean water tank after advanced treating；The deep water treatment device structure are as follows: the depth
Water treatment facilities includes the RO counter-osmosis device and EDI filter being arranged in series, and the middle water out of the middle water pot is defeated by first
Pump is sent to be connected with the counter-osmosis device import of RO counter-osmosis device, the counter-osmosis device outlet of the RO counter-osmosis device passes through the second conveying
Pump is connected with the filter inlet of EDI filter, and waste water discharge is respectively arranged in RO counter-osmosis device and EDI filter
Mouthful, the filter outlet of the EDI filter is connected through pipeline with clean water tank.
As an improvement, this car wash water water supply device further includes having oil expeller, the oil expeller includes that can make to give up in standing
The oil removing tank body of lower leaf and the water inlet pipe and outlet pipe that are arranged on oil removing tank body on grease in water, the one of the water inlet pipe
It holds across oil removing tank body except oil inlet stretches to the inner cavity middle and lower part of oil removing tank body, the other end and processing unit of the water inlet pipe
Upper outlet be connected, one end of the outlet pipe is connected with the inner cavity of oil removing tank body, and in outlet pipe and oil removing pot body
The connecting pin of chamber is higher than the water outlet of water inlet pipe, and the other end of the outlet pipe is connected with the inner cavity of middle water pot, removes described
The oil discharge outlet that layering waste water floats greasy dirt at the middle and upper levels can be discharged by being additionally provided at the top of tank body.
It is further improved, gas-liquid mixing pump is additionally provided on the pipeline between processing unit and oil expeller, the gas-liquid is mixed
The liquid sucting port for closing pump is connected with the upper outlet of the processing unit by pipeline, and the outlet of the gas-liquid mixing pump passes through pipeline
It is connected with the water inlet pipe of oil expeller.
It is further improved, the car-washing method step of the car wash water water supply device are as follows:
One, first water carries out high pressure washing in: the open and close valve of carwash water supplying pipe is opened, from middle water pot and processing unit to carwash
Water supplying pipe conveying containing solid cleaning material ejected wash water, be set on carwash water supplying pipe booster pump pressurization after by nozzle project and
Destroy the schmutzband of surface of vehicle；
Two, carry out mesolow rinsing with clear water again: after high pressure washing, water pot, processing unit and carwash supply water in closing
The open and close valve of pipe, opens valve of the clean water tank to carwash water supplying pipe, and clear water is removed on vehicle body by nozzles spray to surface of vehicle
Remaining dirt, solid cleaning material and sewage；
Three, the waste water of the cleaning material containing solid after washing away automobile is collected by wastewater collection pond, then by sewage pumping
It inhales and is delivered to except the sludge separated in silt particle portion in waste water, the waste water after separated sludge enters the material of processing unit through piping
In tank；Material pot is separated by filtration the waste water overflowed after solid cleaning material and enters in oil expeller, and oil expeller carries out grease point to waste water
From the greasy dirt after separation is overflowed and collected from oil discharge outlet, in the waste water entrance after separating greasy dirt in water pot；
Four, the solid cleaning material in waste water is trapped in the lower part of processing unit, by the conveying mechanism in processing unit through processing unit
Solid material outlet be sent into carwash water supplying pipe in, pass through step 1 realize solid cleaning material recycling；
Wherein, the clean water tank is supplied water by external clear water source, or, the clean water tank is by the middle water of middle water pot through too deep
It supplies water after degree water treatment facilities processing；Middle water in step 1 can be that middle water pot directly supplies water or the middle water of middle water pot passes through
It is supplied water after deep water treatment device with clear water.
It is further improved, the deep water treatment device includes the RO counter-osmosis device and EDI filter being arranged in series, described
The middle water out of middle water pot is connected by the first delivery pump with the counter-osmosis device import of RO counter-osmosis device, the RO counter-osmosis device
Counter-osmosis device outlet be connected by the second delivery pump with the filter inlet of EDI filter, in RO counter-osmosis device and EDI mistake
Waste water discharge opening is respectively arranged in filter, the filter outlet of the EDI filter is connected through pipeline with clean water tank.
Compared with the prior art, the advantages of the present invention are as follows clean vehicle by the ejected wash water of the cleaning material containing solid, can have
Effect removes the pollutant of car surface attachment, and automobile washing effect is good；Waste water and solid cleaning material after cleaning can pass through this
The recycling of car wash water water supply device, recycles processing, practical, realizes that ejected wash water cleans recycling for material with solid, saves
Resource reduces the cleaning cost of cleaning vehicle；Reasonable distribution water cleans vehicle by two-part, first the middle water with treated
Water in tank carries out primary cleaning, reduces middle water water quality requirement and processing technique complexity, then carried out second with clear water
Cleaning, rinse dosage are greatly lowered, and water-saving result is significant；The high degree of automation of this car wash water water supply device, integrate, implement,
Construction and maintenance cost are all relatively low, and effectively solving carwash industry treatment in situ and the real of water resource is recycled needs
It asks, is especially advantageous for realizing the popularization and application of the marketization.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another embodiment of the invention；
Fig. 3 is the structural schematic diagram of the third embodiment of the invention；
Fig. 4 is the structural schematic diagram of processing unit in Fig. 1.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figures 1 to 4, the present embodiment can by the car wash water water supply device of wastewater from car washer cycling and reutilization, including
There is wastewater collection pond 1, except silt particle portion, middle water pot 6, clean water tank 7, carwash water supplying pipe 23, solid cleaning material can be collected and to carwash
Processing unit and the electrical equipment control portion of solid cleaning material is added in water supplying pipe 23, and wastewater collection pond 1 is by pipeline and except silt particle portion
Water inlet is connected, and the water outlet except silt particle portion is connected by pipeline with the upper entrance of the processing unit, the place
The upper outlet in reason portion is connected with the inner cavity of middle water pot 6, and the middle water in middle water pot 6 is connected by pipeline with carwash water supplying pipe 23
Logical, the solid material outlet 41 positioned at processing unit lower part is connected with carwash water supplying pipe 23, and being provided in the processing unit can will consolidate
Body cleaning material is fed through the conveying mechanism in carwash water supplying pipe 23 through solid material outlet 41, and the clean water tank 7 is by pipeline through valve
71 are connected with carwash water supplying pipe 23, and the electrical equipment control portion passes through route and conveying mechanism, valve 71 and carwash water supplying pipe
23 open and close valve 231 is connected.The particular circuit configurations in electrical equipment control portion belong to the prior art, therefore are not described in detail.
Processing unit includes the material pot 4 of energy store solids cleaning material, solid cleaning material can be delivered to solid material and export 41
Blender 42 and the filter mechanism that can cross filter solid cleaning material, the stirring rod 421 of the blender 42 are set in material pot 4
In inner cavity, the lower end of the stirring rod 421 is located in solid material outlet 41, and the blender 42 is conveying mechanism, the processing
Import is located at the tank body top of material pot 4, and the upper outlet is located at the top of the tank of material pot 4, the filter mechanism setting
Inner cavity and upper outlet phase of the waste water through filter mechanism on the corresponding tank body of upper outlet, after being separated by filtration solid cleaning material
It is connected to and can be sent to by pipeline the inner cavity of middle water pot 6.Filter mechanism is to pass through waste water and stop solid cleaning material to pass through
Filter screen 43, the filter screen 43 surround cage body structure, and the top of the filter screen 43 is fixed on the inner wall top surface of material pot 4
On.Blender 42 includes stirring motor, stirring rod 421 and the spiral vane that 421 lower end of stirring rod is arranged in, in material pot
4 top of the tank is provided with hand stock opening, is provided with sealing cover body 44 in hand stock opening.Solid cleaning material
For plant granule, the size of particle is not more than 0.9 times of the nozzle effective aperture of carwash water supplying pipe 23 and is not less than 100 microns；
Or, the solid cleaning material is the particulate matter of active carbon powder or nonmetallic mineral, the particle of the nonmetallic mineral are as follows: talcum
The size of powder, graphite powder or sepiolite powder, granule is not more than 0.85 times of nozzle effective aperture and is not less than 100 microns；Or,
The solid cleaning material is elastic polymer material or the powder of its product, or the elasticity with sealed porosity structure
Grain, the size of particle are not more than 1.5 times of nozzle effective aperture and are not less than 100 microns；Or, the solid cleaning material is a kind of
Aperture skeleton structure particle, the aperture skeleton structure particle are as follows: the plastic foam particle or sponge particles of aperture, particle it is big
Small 2.5 times no more than nozzle effective aperture and be not less than 100 microns；Or, the solid cleaning material is pieces of cloth particle, particle
Size is not more than 2.5 times of nozzle effective aperture and is not less than 100 microns；Or, the solid cleaning material is a kind of fiber, it is described
Fiber is plant fiber, chemical fibre or other staple fibres, the length of fiber no more than 4.5 times of nozzle effective aperture without
Less than 100 microns；Or, the modified material that solid cleaning material is the mixing of above-mentioned various material, is process, particle it is big
Small 4.5 times no more than nozzle effective aperture and be not less than 100 microns.
Except silt particle portion is the cyclone 3 of silt particle in energy centrifugal sedimentation water, the cyclone 3 is in the big lower diameter of upper diameter
Small cone structure, the water inlet are located on the side wall of cyclone 3, and silt particle outlet is located at the bottom of cyclone 3, clear containing solid
The water outlet for washing material waste water is located at the top of cyclone 3.The specific structure and working principle of cyclone 3 belong to the prior art, therefore
It is not described in detail.
It is provided with deep water treatment device between middle water pot 6 and clean water tank 7, the deep water treatment device is by middle water pot 6
Middle water be sent into clean water tank 7 after advanced treating；The deep water treatment device structure are as follows: the deep water treatment device
Including the RO counter-osmosis device and EDI filter being arranged in series, the middle water out of the middle water pot 6 is anti-by the first delivery pump and RO
The counter-osmosis device import of permeator is connected, and the counter-osmosis device outlet of the RO counter-osmosis device passes through the second delivery pump and EDI mistake
The filter inlet of filter is connected, and waste water discharge opening, the EDI are respectively arranged in RO counter-osmosis device and EDI filter
The filter outlet of filter is connected through pipeline with clean water tank 7.The specific structure of RO counter-osmosis device and EDI filter belongs to existing
There is technology, therefore is not described in detail.
This car wash water water supply device further includes having oil expeller, and the oil expeller includes that can make in waste water in standing on grease
The oil removing tank body 5 of lower leaf and the water inlet pipe 51 being arranged on oil removing tank body 5 and outlet pipe 52, one end of the water inlet pipe 51
Across the inner cavity middle and lower part of oil removing tank body 5 removed oil inlet and stretch to oil removing tank body 5, the other end of the water inlet pipe 51 and processing
The upper outlet in portion is connected, and one end of the outlet pipe 52 is connected with the inner cavity of oil removing tank body 5, and outlet pipe 52 and oil removing
The connecting pin of tank inner chamber is higher than the water outlet of water inlet pipe 51, and the other end of the outlet pipe 52 is connected with the inner cavity of middle water pot 6
It is logical, the oil discharge outlet 53 that layering waste water can be discharged and float greasy dirt at the middle and upper levels is additionally provided at the top of the oil removing tank body 5.It is handling
Gas-liquid mixing pump 54, the liquid sucting port of the gas-liquid mixing pump 54 and the processing are additionally provided on pipeline between portion and oil expeller
The upper outlet in portion is connected by pipeline, and the outlet of the gas-liquid mixing pump 54 passes through 51 phase of water inlet pipe of pipeline and oil expeller
Connection.
The car-washing method step of car wash water water supply device are as follows:
One, first water carries out high pressure washing in: the open and close valve 231 of carwash water supplying pipe 23 is opened, by middle water pot 6 and processing unit
To the ejected wash water of the conveying of carwash water supplying pipe 23 cleaning material containing solid, it is set after the booster pump 26 on carwash water supplying pipe 23 pressurizes
The schmutzband of surface of vehicle is projected and destroyed by nozzle；
Two, carry out mesolow rinsing with clear water again: after high pressure washing, water pot 6, processing unit and carwash supply water in closing
The open and close valve 231 of pipe 23, opens valve 71 of the clean water tank 7 to carwash water supplying pipe 23, clear water by nozzles spray to surface of vehicle,
Remove remaining dirt on vehicle body, solid cleaning material and sewage；
Three, the waste water of the cleaning material containing solid after washing away automobile is collected by wastewater collection pond 1, then by sewage pump 31
It aspirates and is delivered to except the sludge separated in silt particle portion in waste water, the waste water after separated sludge enters the object of processing unit through piping
In batch can 4；Material pot 4 is separated by filtration the waste water overflowed after solid cleaning material and enters in oil expeller, and oil expeller carries out oil to waste water
Water separation, the greasy dirt after separation are overflowed and are collected from oil discharge outlet 53, in the waste water entrance after separating greasy dirt in water pot 6；
Four, the solid cleaning material in waste water is trapped in the lower part of processing unit, by the conveying mechanism in processing unit through processing unit
Solid material outlet 41 be sent into carwash water supplying pipes 23 in, pass through step 1 realize solid cleaning material recycling；
Wherein, the clean water tank 7 is supplied water by external clear water source, or, the clean water tank 7 is passed through by the middle water of middle water pot 6
It supplies water after crossing deep water treatment device processing；Middle water in step 1 can be in middle water pot 6 directly water supply or middle water pot 6
Water after deep water treatment device with clear water by being supplied water.Deep water treatment device includes the RO counter-osmosis device and EDI being arranged in series
The middle water out of filter, the middle water pot 6 is connected by the first delivery pump with the counter-osmosis device import of RO counter-osmosis device, institute
The counter-osmosis device outlet for stating RO counter-osmosis device is connected by the second delivery pump with the filter inlet of EDI filter, anti-in RO
Waste water discharge opening is respectively arranged in permeator and EDI filter, the filter outlet of the EDI filter is through pipeline and clear water
Tank 7 is connected.
In addition, the solid material outlet 41 of the processing unit and the link position of carwash water supplying pipe 23 are in carwash water supplying pipe 23
Liquid stream enters before booster pump 26.
Cross section in the material pot 4 for stating processing unit everywhere is circle, and the processing import of material pot 4 is tangentially to set
It sets.The part that the lower part of the material pot 4 is connected with solid material outlet 41 is inverted cone-shaped structure.Water level is equipped in the material pot 4
Switch 47, the sensed position of the water level switch 47 are more than peak level when material pot 4 holds clear water, water level switch 47 and dirt
Water pump 31 realizes electrical connection, and when the water level in processing unit rises to alert locations, then electrical equipment control portion will close sewage pump 31.
Hereinafter, the use to the embodiment of the present invention is described further:
It is especially sharp the purpose of the present invention is to provide a kind of device and method that can simply and effectively utilize wastewater from car washer
It uses water and solid to clean the mixture expected as cleansing medium, and can recycle, using the technology of solid cleaning material, reach real
With, economically utilize wastewater from car washer purpose.
" solid cleaning material " so-called in the present invention refers to the tiny solid phase artificially added for promoting carwash effect
Medium, such as: plant powder, nonmetallic mineral powder, each fiber, foam beads, etc., its usual hardness are lower than surface of vehicle
Paint, density be lower than vehicle body attachment silt particle, granular size according to cleaning need and set.In corresponding cleaning process, break
Used working media not single water when bad surface of vehicle schmutzband mixes after being mixed with solid cleaning material in water
The certain density solid-liquid mixtures with made of.
The silt particle portion that removes in the present embodiment uses cyclone 3, and specially hydrocyclone, hydrocyclone are common works
Industry classifying equipoment, sewage is from upper side with certain initial velocity, and tangential direction enters, the swing flow in equipment inner cavity, liquid
The biggish gravel class solid phase substance of specific gravity is under centrifugal force and wall surface resistance effect by accelerated sedimentation to hydrocyclone in stream
Bottom, and containing fine grained, low density solid phase liquid stream then from the water outlet of hydrocyclone central upper portion position overflow.
Hydrocyclone has various specifications, can remove as low as 1 micron of gravel, and equipment cost is low, reliable operation, high-efficient, fits
Close the desanding demand for completing this technology.
The gas-liquid mixing pump 54 that the present invention uses, also known as air dissolved pump are that one kind sucks air while water inlet, and side is inhaled
It pressurizes and mixes in waterside air-breathing, pump, the dedicated pump of dissolved air water is discharged, plays the technique purpose of oil removal by air bubbling.Specifically, containing big
After the dissolved air water of amount micro-bubble enters oil removing tank body 5, the bubble in water body can be as small as 20 microns, therefore can effectively adsorb suspension
The dispersed oil droplets of minimum partial size in water, by increasing its buoyancy, promoting water-oil separating and oil droplet being accelerated to float, this is than simple
Standing mode realize that the effect of water-oil separating is more preferable, it is more efficient.
As shown in figure 4, the lower part of the structure of processing unit is the back taper shunk towards solid material outlet 41, cleaned convenient for solid
Material is deposited in the lower part of stirring rod 421.As the liquid stream containing solid cleaning material except silt particle portion is constantly by the upper of main process task portion
The input of portion's entrance, and filtered waste water is transported in middle water pot 6 or oil expeller, then the solid cleaning material in material pot 4 will be by
It is cumulative it is more, become dense, the lower part of material pot 4 is deposited on, and when close to entire material pot 4 is full of, because of filter screen 43
Handling capacity decline, and the water level in processing unit is made to exceed peak level when material pot 4 holds clear water, thus trigger water level
Switch 47 acts, and then disconnects sewage pump 31, stops inputting the liquid stream containing solid cleaning material to processing unit.Water level switch 47 with
Electrical connection can be directly realized by between sewage pump 31, it can also be real by the programmable logic controller (PLC) PLC in electrical equipment control portion etc.
Now connection and centralized control.
In high pressure washing step, solid cleaning material need to be added into carwash water supplying pipe 23, then starts sending for blender 42
Expect motor, stirring rod 421 is allowed to rotate, solid is cleaned into material by the spiral vane on stirring rod and sends out solid material outlet 41.Control
The revolving speed of stirring rod 421 processed is the adding speed of controllable solid cleaning material, in conjunction with the i.e. controllable solid cleaning of flow of middle water
The concentration of material.When then stirring stopping, just stopping substantially Gu material exports interior closely knit solid material to 23 input medium of water supplying pipe, therefore its function
It can objectively be exactly a quantitative delivery pump, open and close are controllable, separately valve need not be added to be controlled as long as design obtains.Place
The inner cavity in reason portion can also be according to the internal structure of hydrocyclone, and cross section everywhere is circle, and processing import is tangentially to set
It sets, cleans material rapid subsidence conducive to eddy flow is formed by solid.
In practical operation, the yield and storage of middle water are usually very sufficient, so the high pressure washing in implementation steps one operates
When do not need generally again with clear water supplement in water vacancy, clean water tank 7 can be closed to the channel of carwash water supplying pipe 23.If any must
It wants, clean water tank 7 can be connected to middle water pot 6, so that when the deficiency of the source Zhong Shui, needed for being mixed using clean water tank 7 as solid-liquid
Complementarity water source.
Standing mode using nature inside oil expeller allows greasy dirt to float, and structure can be the oil removal of traditional brick mix structure
Pond is also possible to the tank structure of the materials such as glass steel or stainless steel, and it is other each can also to be aided with filtering oil removing, electric flocculation etc.
Kind well-known technique.Outlet pipe 52 generallys use the siphon piping of inverted U.
Further embodiment explanation is done with regard to the circuit design of several complicated cases adoptable in water supply device below.
Embodiment 1: clean water tank 7 is between processing unit and booster pump 26
As shown in Figure 1, do not set valve between processing unit, middle water pot 5, their carwash water supplying pipes 23 between booster pump 26
On set up open and close valve 231, open and close valve 231 can be electrical ball valve, and valve 71 is set up in the exit of clean water tank 7, and valve 71 can
To be electrical ball valve.In high pressure washing step, open and close valve 231 is opened, closes valve 71.In mesolow rinse step, beat
Valve opening door 71 closes open and close valve 231.Arrow in figure is basic flowing direction of the liquid stream in pipeline.
According to the two step carwash methods of above-mentioned " middle water flushing-clear water rinsing ", then the waste water that a upper vehicle is formed after washing without
The standard to environment protection standard discharge must be handled, there are no must reach the same cleanliness of tap water, it is only necessary to use and pass through simple process
Junior middle water operation is rinsed to vehicle body.It goes dirt to need very high impact force due to rinsing operation, therefore adopts
Pressure is big, consumption is also big, and water replaces clear water that can play good water-saving result at this time.Rinsing operation terminates
Afterwards, rinse operation is carried out to vehicle body with clear water, required pressure is little at this time, and flow also can control reduced levels, therefore
Greatly reduce the consumption of clear water.
The sewage formed during automobile washing, extracts into wastewater collection pond 1, then by sewage pump 31, is input to waterpower
In cyclone, to remove silt particle.Overflow after hydrocyclone desanding enters processing unit.Since the top of processing unit is equipped with filtering
Net 43, so solid cleaning material will be collected in material pot 4, and water will be discharged to middle water from overflow pipe after the infiltration of filter screen 43
In tank 6.Since carwash process constantly has clear water addition, concentration of wastewater is lower than the concentration in the solid-liquid mixtures in step 1, with
The middle water collected by the carwash is typically enough to meet the middle water usage amount of carwash next time.
Embodiment 2: clean water tank 7 is mounted with gas-liquid before having oil expeller and oil expeller between processing unit and booster pump 26
Mixing pump 54
Present invention is generally directed to the cleanings of vehicle external surface.For common car, car wash water oil removing is that carwash is useless
Water warfare, harmless treatment common requirement.But, the greasy dirt of bodywork surface mostlys come from the traffic oil of driving process adherency
Film, greasy dirt amount is seldom, and quite a few is suspended in waste water with emulsified state, the greasy dirt point of conventional oil separator mode
It is undesirable from effect.For this purpose, improving deoil effect and effect in a manner of being similar to aeration invention introduces gas-liquid mixing pump
Rate.
As shown in Fig. 2, the upper outlet of material pot 4 is connected with the water inlet of gas-liquid mixing pump 54.Gas-liquid mixing pump 54
Air is sucked simultaneously, by water pot 5 in the gas-liquid mixture injection for sufficiently having dissolved air.Being dispersed in greasy dirt in water body will be because of
It has adhered to a large amount of microbubbles and has floated, to realize the basic process of oil removal by air bubbling.
Embodiment 3: treatment site is between clean water tank 7 and booster pump 26
As shown in figure 3, valve 71 and open and close valve 231 can be the integrated same valve body, the valve body in the present embodiment
For triple valve 72, the triple valve 72 is connected by route with electrical equipment control portion.Processing unit is arranged in clean water tank 7 and booster pump
Between 26, then middle water pot 6, clean water tank 7 access carwash water supplying pipe 23 by triple valve 72.Triple valve 72 can select electric three passes
Ball valve.
In cleaning operation, high pressure washing first is done to outside vehicle by step 1, to destroy the schmutzband of vehicle body attachment.It should
Stage water pressure is big, and the consumption of water is also big, and the effect of aqueous medium is mainly the carrier of dynamic process, is with the poor middle water of water quality
It is enough to complete correlation function.In the step, by controlling the opening and closing mode of electric three passes ball valve, water pot 6 arrives carwash in opening
The channel that clean water tank 7 arrives carwash water supplying pipe 23 is closed in the channel of water supplying pipe 23.
Hereafter, the remaining dirt clast of surface of vehicle, solid cleaning material, sewage must be cleared up, needs to use at this time
The clear water of low pressure is rinsed.In the step two, by controlling the opening and closing mode of electric three passes ball valve, water pot 6 is arrived in closing
The channel that clean water tank 7 arrives carwash water supplying pipe 23 is opened in the channel of carwash water supplying pipe 23.
In above embodiments, sewage pump 31, booster pump 26, feeding motor, water level switch 47 and electric three passes ball valve etc. are each
The electric class component of kind is electrically connected with electrical equipment control portion.If cleaning process removes processing unit without using solid cleaning material, will
Except the water outlet in silt particle portion is directly accessed the entrance of oil expeller.
For further save use water, can increase after middle water pot 6 deep water treatment device (such as: membrane treatment appts,
Filter device, electric flocculation device, air-floating apparatus etc.), purified treatment of the device by the middle water of middle water pot 6 Jing Guo depth, separation
The pollutant components such as anionic detergent therein, ultra-fine grain, floccule, further increase the pollutions control such as turbidity, SOD of water
Index processed makes middle water reach the sewage discharge requirement of high standard, or even as the clear water with tap water equal quality and is sent into clear
Water pot, as clear water water source.The relevant technology of the deep water treatment device can there are many, can be used well-known technique come it is real
It is existing, do not do deep explanation herein.
Above embodiments are predominantly conducive to set needed for the statement present invention.In practice, the water inlet of wastewater collection pond 1 can
Garbage grille is set up, large-sized pollutants such as leaf, ground refuse are intercepted；According to the different pressures and stream when rinsing, rinsing
Amount feature can share booster pump 26, with frequency converter regulating flow, can also set up water pump separately, controlled and be opened and closed by electrical equipment control portion
Movement；Processing unit can add the entrance of hand stock；Oil expeller can be combined into one in structure with middle water pot 6；Electrical ball valve
It can be changed to pneumatic ball valve；Middle water pot 6, clean water tank 7 service on water pump, etc. can be installed.These all with it is of the invention
Essence does not collide, and can advanced optimize the function of device according to the actual situation.
Sewage pump 31 used in the present invention can be immersible pump, diaphragm pump etc., booster pump 26 can be plunger pump, it is multistage from
Heart pump, diaphragm pump etc., all by actual working pressure, flow, medium and reasonable selection, carwash water supplying pipe 23, electric three passes ball valve,
Mature well-known technique all can be used in electrical equipment control portion, not described in detail herein.
In addition, technology of the invention can also be used in other similar fields except high pressure water cleaning automobile, and such as: high-speed rail
Motor-car/railway carriage washing and cleaning operation, plays identical water-saving result.
Compared with the prior art, the advantages of the present invention are as follows be no longer limited to existing towards sewage discharge inside industry
Or the water process target referring to tap water, but sufficiently rationally determine that the technology of water process is wanted in conjunction with the cleaning process design of vehicle
Ask, avoid the purification techniques for being narrowly conceived to water: by cleaning process is resolved into " middle water rinses, clear water rinses " this two
Step is rinsing the dirt stage without using the middle water of high-quality, and only uses low-quality middle water, so that reducing clear water makes
Dosage has reached water-saving purpose.In particular, this system uses solid-liquid mixtures as cleansing medium, cleaning effect is more preferable, water
Press it is lower, and devise containing solid cleaning material wastewater from car washer treating method and apparatus, realize solid cleaning material from
Dynamic recycling, addition, and whole process is the circular treatment and operation of continuous automation, maintenance requirement is very low, efficiently solves existing
Methodical deficiency.The system greatly reduces the implementation cost of sewerage disposing and promotes difficulty, is advantageous to carwash industry
Water in treatment in situ and use has extremely strong engineering practicability.
Claims (10)
1. a kind of can include wastewater collection pond (1), feature exists by the car wash water water supply device of wastewater from car washer cycling and reutilization
In: the car wash water water supply device further includes except silt particle portion, middle water pot (6), clean water tank (7), carwash water supplying pipe (23), can collect
Solid cleaning material and processing unit and the electrical equipment control portion that solid cleaning material is added to carwash water supplying pipe (23), the wastewater collection
Pond (1) is connected by pipeline with the water inlet except silt particle portion, and the water outlet except silt particle portion passes through pipeline and the processing
The upper entrance in portion is connected, and the upper outlet of the processing unit is connected with the inner cavity of middle water pot (6), in middle water pot (6)
Middle water is connected by pipeline with carwash water supplying pipe (23), solid material outlet (41) and carwash water supplying pipe positioned at processing unit lower part
(23) it is connected, solid can be cleaned in material by, which being provided in the processing unit, is fed through carwash water supplying pipe through solid material outlet (41)
(23) conveying mechanism in, the clean water tank (7) are connected through valve (71) with carwash water supplying pipe (23) by pipeline, the electricity
Device control unit is connected by route with the open and close valve (231) of conveying mechanism, valve (71) and carwash water supplying pipe (23).
2. car wash water water supply device according to claim 1, it is characterised in that: the processing unit includes that energy store solids are clear
Wash the material pot (4) of material, solid can be cleaned material be delivered to solid material outlet (41) blender (42) and can mistake filter solid it is clear
The filter mechanism of material is washed, the stirring rod (421) of the blender (42) is set in the inner cavity of material pot (4), the stirring rod
(421) lower end is located in solid material outlet (41), and the blender (42) is conveying mechanism, and the processing import is located at material
The tank body top of tank (4), the upper outlet are located at the top of the tank of material pot (4), and the filter mechanism setting goes out on top
On the corresponding tank body of mouth, inner cavity of the waste water through filter mechanism after being separated by filtration solid cleaning material is connected with upper outlet and energy
The inner cavity of middle water pot (6) is sent to by pipeline.
3. car wash water water supply device according to claim 2, it is characterised in that: the filter mechanism is can be by waste water simultaneously
The filter screen (43) that solid cleaning material passes through is stopped, the filter screen (43) surrounds cage body structure, the top of the filter screen (43)
Portion is fixed on the inner wall top surface of material pot (4).
4. car wash water water supply device according to claim 2, it is characterised in that: the solid cleaning material is plant granule,
The size of particle is not more than 0.9 times of the nozzle effective aperture of carwash water supplying pipe (23) and is not less than 100 microns；Or, described solid
Body cleaning material is the particulate matter of active carbon powder or nonmetallic mineral, the particle of the nonmetallic mineral are as follows: talcum powder, graphite powder
Or the size of sepiolite powder, granule is not more than 0.85 times of nozzle effective aperture and is not less than 100 microns；Or, the solid
The powder for elastic polymer material or its product, or the elastic granule with sealed porosity structure are expected in cleaning, particle
Size is not more than 1.5 times of nozzle effective aperture and is not less than 100 microns；Or, the solid cleaning material is a kind of aperture skeleton
Structure particles, the aperture skeleton structure particle are as follows: the plastic foam particle or sponge particles of aperture, the size of particle are not more than
2.5 times of nozzle effective aperture and be not less than 100 microns；Or, the solid cleaning material is pieces of cloth particle, the size of particle is little
It is not less than 100 microns in 2.5 times of nozzle effective aperture；Or, the solid cleaning material is a kind of fiber, the fiber is to plant
Fibres, chemical fibre or other staple fibres, the length of fiber are not more than 4.5 times of nozzle effective aperture and are not less than 100
Micron；Or, the modified material that the solid cleaning material is the mixing of above-mentioned various material, is process, the size of particle are little
It is not less than 100 microns in 4.5 times of nozzle effective aperture.
5. according to claim 1 to any car wash water water supply device in 4, it is characterised in that: described except silt particle portion is energy
The cyclone (3) of silt particle in centrifugal sedimentation water, the cyclone (3) cone structure small in the big lower diameter of upper diameter, institute
It states water inlet to be located on the side wall of cyclone (3), silt particle outlet is located at the bottom of cyclone (3), cleans material waste water containing solid
Water outlet is located at the top of cyclone (3).
6. according to claim 1 to the car wash water water supply device any in 4, it is characterised in that: the middle water pot (6) and clear
Deep water treatment device is provided between water pot (7), the middle water of middle water pot (6) is passed through depth by the deep water treatment device
It is sent into clean water tank (7) after reason；The deep water treatment device structure are as follows: the deep water treatment device includes being arranged in series
RO counter-osmosis device and EDI filter, the middle water out of the middle water pot (6) pass through the reverse osmosis of the first delivery pump and RO counter-osmosis device
Saturating device import is connected, and the counter-osmosis device outlet of the RO counter-osmosis device passes through the filter of the second delivery pump and EDI filter
Import is connected, and waste water discharge opening, the filtering of the EDI filter are respectively arranged in RO counter-osmosis device and EDI filter
Device outlet is connected through pipeline with clean water tank (7).
7. according to claim 1 to any car wash water water supply device in 4, it is characterised in that: this car wash water water supply device
Further include having oil expeller, the oil expeller include can make in standing lower leaf on grease in waste water oil removing tank body (5) and
One end of the water inlet pipe (51) being arranged on oil removing tank body (5) and outlet pipe (52), the water inlet pipe (51) passes through oil removing tank body
(5) stretch to the inner cavity middle and lower part of oil removing tank body (5) except oil inlet, the other end of the water inlet pipe (51) and processing unit it is upper
Portion outlet is connected, and one end of the outlet pipe (52) is connected with the inner cavity of oil removing tank body (5), and outlet pipe (52) and oil removing
The connecting pin of tank inner chamber is higher than the water outlet of water inlet pipe (51), and the other end of the outlet pipe (52) is interior with middle water pot (6)
Chamber is connected, and the oil discharge outlet that layering waste water floats greasy dirt at the middle and upper levels can be discharged by being additionally provided at the top of the oil removing tank body (5)
(53)。
8. car wash water water supply device according to claim 7, it is characterised in that: the pipeline between processing unit and oil expeller
On be additionally provided with gas-liquid mixing pump (54), the upper outlet of the liquid sucting port and the processing unit of the gas-liquid mixing pump (54) passes through
Pipeline is connected, and the outlet of the gas-liquid mixing pump (54) is connected by pipeline with the water inlet pipe (51) of oil expeller.
9. car wash water water supply device according to claim 7, it is characterised in that: the carwash side of the car wash water water supply device
Method step are as follows:
One, first water carries out high pressure washing in: the open and close valve (231) of carwash water supplying pipe (23) is opened, by middle water pot (6) and processing
Portion conveys the ejected wash water of the cleaning material containing solid, the booster pump being set on carwash water supplying pipe (23) to carwash water supplying pipe (23)
(26) schmutzband of surface of vehicle is projected and destroyed after pressurizeing by nozzle；
Two, mesolow rinsing is carried out with clear water again: after high pressure washing, water pot (6), processing unit and carwash water supplying pipe in closing
(23) open and close valve (231) opens the valve (71) of clean water tank (7) to carwash water supplying pipe (23), and clear water is arrived by nozzles spray
Surface of vehicle removes remaining dirt on vehicle body, solid cleaning material and sewage；
Three, the waste water of the cleaning material containing solid after washing away automobile is collected by wastewater collection pond (1), then by sewage pump (31)
It aspirates and is delivered to except the sludge separated in silt particle portion in waste water, the waste water after separated sludge enters the object of processing unit through piping
In batch can (4)；The waste water that overflows enters in oil expeller after material pot (4) is separated by filtration solid cleaning material, oil expeller to waste water into
Row water-oil separating, the greasy dirt after separation are overflowed and are collected from oil discharge outlet (53), water pot (6) in the waste water entrance after separating greasy dirt
In；
Four, the solid cleaning material in waste water is trapped in the lower part of processing unit, by the consolidating through processing unit of the conveying mechanism in processing unit
Material outlet (41) is sent into carwash water supplying pipe (23), and the recycling of solid cleaning material is realized by step 1；
Wherein, the clean water tank (7) is supplied water by external clear water source, or, middle water of the clean water tank (7) by middle water pot (6)
It supplies water after deep water treatment device is handled；Middle water in step 1 can be middle water pot (6) directly water supply or middle water pot
(6) middle water after deep water treatment device with clear water by being supplied water.
10. car wash water water supply device according to claim 9, it is characterised in that: the deep water treatment device includes string
Join the RO counter-osmosis device and EDI filter of setting, the middle water out of the middle water pot (6) is reverse osmosis by the first delivery pump and RO
The counter-osmosis device import of device is connected, and the counter-osmosis device outlet of the RO counter-osmosis device passes through the second delivery pump and EDI filter
Filter inlet be connected, be respectively arranged with waste water discharge opening in RO counter-osmosis device and EDI filter, the EDI filtering
The filter outlet of device is connected through pipeline with clean water tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910488742.6A CN110104852A (en) | 2019-06-06 | 2019-06-06 | It is a kind of can be by the car wash water water supply device of wastewater from car washer cycling and reutilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910488742.6A CN110104852A (en) | 2019-06-06 | 2019-06-06 | It is a kind of can be by the car wash water water supply device of wastewater from car washer cycling and reutilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110104852A true CN110104852A (en) | 2019-08-09 |
Family
ID=67494052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910488742.6A Withdrawn CN110104852A (en) | 2019-06-06 | 2019-06-06 | It is a kind of can be by the car wash water water supply device of wastewater from car washer cycling and reutilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110104852A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115937A (en) * | 2020-01-15 | 2020-05-08 | 内蒙古实创精工科技有限公司 | Car wash sewage comprehensive treatment recycling system |
| CN113501555A (en) * | 2021-07-14 | 2021-10-15 | 绍兴市中令汽车服务有限公司 | Car washing sewage recycling system |
| TWI796969B (en) * | 2022-03-15 | 2023-03-21 | 香港商運通汽車有限公司 | Waste water treatment system |
-
2019
- 2019-06-06 CN CN201910488742.6A patent/CN110104852A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115937A (en) * | 2020-01-15 | 2020-05-08 | 内蒙古实创精工科技有限公司 | Car wash sewage comprehensive treatment recycling system |
| CN113501555A (en) * | 2021-07-14 | 2021-10-15 | 绍兴市中令汽车服务有限公司 | Car washing sewage recycling system |
| TWI796969B (en) * | 2022-03-15 | 2023-03-21 | 香港商運通汽車有限公司 | Waste water treatment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105170630B (en) | A kind of method and apparatus of combined type soil washing desorption | |
| KR100952752B1 (en) | Apparatus for washing soils polluted with oil and heavy metal and method thereof | |
| CN110104852A (en) | It is a kind of can be by the car wash water water supply device of wastewater from car washer cycling and reutilization | |
| KR20130122744A (en) | Method for separating liquid from suspended matter in a sludge and device for same | |
| CN111790743A (en) | A high-efficient sled dress drip washing system of dystopy for polluting prosthetic degree of depth of soil is meticulous | |
| JP5916005B2 (en) | Sand settling device | |
| CN105330062B (en) | A kind of modularization is interior to recycle gas-flotation filter device | |
| CN105344682B (en) | Oilcan cleaning equipment | |
| CN106946377A (en) | A kind of oil-containing process for treating waste water for car wash and equipment | |
| CN201176409Y (en) | Integration device for reclaiming and purifying car-washing sewerage | |
| CN212442535U (en) | A high-efficient sled dress drip washing system of dystopy for polluting prosthetic degree of depth of soil is meticulous | |
| CN205803170U (en) | A kind of Waste Water Treatment in coal | |
| CN201240959Y (en) | Integrated sewage water preprocessing equipment | |
| CN215365170U (en) | Car washing sewage recycling system | |
| CN208087256U (en) | A kind of efficient high tower air floatation machine | |
| CN206417937U (en) | A kind of Water warfare pre-processing device | |
| KR200419211Y1 (en) | Sedimentation Apparatus | |
| CN113501555A (en) | Car washing sewage recycling system | |
| CN210287020U (en) | Car washing water supply device capable of recycling car washing wastewater | |
| CN115353176A (en) | Magnetic coagulation system and method for sewage treatment | |
| CN108793599A (en) | A kind of low-concentration organic wastewater processing system | |
| CN114920320A (en) | Coke-oven plant waste water tar recovery unit | |
| CN106966543A (en) | A kind of vehicle-mounted fecal sewage treatment equipment | |
| CN103332808B (en) | Sewage purification and recycling integrated device of multifunctional cleaning and sweeping vehicle | |
| KR100761457B1 (en) | Sedimentation apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190809 |
|
| WW01 | Invention patent application withdrawn after publication |