CN206289123U - A kind of processing system for metro depot car-washing sewage - Google Patents

A kind of processing system for metro depot car-washing sewage Download PDF

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Publication number
CN206289123U
CN206289123U CN201621332913.4U CN201621332913U CN206289123U CN 206289123 U CN206289123 U CN 206289123U CN 201621332913 U CN201621332913 U CN 201621332913U CN 206289123 U CN206289123 U CN 206289123U
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China
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water
car
tank
washing sewage
mbr
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CN201621332913.4U
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Chinese (zh)
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刘井玉
李兴云
杨茜
董建昆
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China Railway Shanghai Design Institute Group Co Ltd
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China Railway Shanghai Design Institute Group Co Ltd
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Abstract

The utility model is related to technical field of sewage, especially a kind of processing system for metro depot car-washing sewage, it is characterised in that:The processing system at least includes regulating reservoir, oil partiting precipitation pool, air-floatation water purifier, MBR film biological tanks, sludge-tank and clear water reserviors, the water inlet connection car-washing sewage delivery port of wherein described regulating reservoir, the water inlet of the regulating reservoir is fixedly installed grid, the regulating reservoir is connected by elevator pump with the water inlet of the oil partiting precipitation pool, the delivery port of the oil partiting precipitation pool is connected with the water inlet of the air-floatation water purifier, the delivery port of the air-floatation water purifier is connected with the water inlet of the MBR films biological tank, the delivery port of the MBR biological tanks is connected with the water inlet of the clear water reserviors, water in the clear water reserviors is used for the backwash of the membrane component of the MBR biological tanks, the sludge-tank is connected with the MBR films biological tank.The utility model has the advantages that:Car-washing sewage after treatment meets discharge standard.

Description

A kind of processing system for metro depot car-washing sewage
Technical field
The utility model is related to technical field of sewage, especially a kind for the treatment of for metro depot car-washing sewage System.
Background technology
Railcar base as oily waste water one of important generating source, especially car-washing sewage, its oil-containing for producing Wastewater biodegradability is poor and containing a certain amount of hard-degraded substance, and oily waste water has to pass through and strictly process and reach discharge mark Can be discharged after standard.It is domestic at present mainly to be used at oil removal-coagulation-pneumatically supported " old three sections " technique for oily waste water Reason, exposes some shortcomings in longtime running, and such as reagent consumption amount is big, operating cost is high, poor processing effect and can produce A large amount of sludge etc..
The content of the invention
The purpose of this utility model is according to above-mentioned the deficiencies in the prior art, there is provided one kind is used for metro depot carwash The processing system of sewage, the processing unit different by arranging some functions step by step, realizes the stepwise disposal of car-washing sewage, until Car-washing sewage meets discharge standard.
The utility model purpose is realized being completed by following technical scheme:
A kind of processing system for metro depot car-washing sewage, it is characterised in that:The processing system at least includes Regulating reservoir, oil partiting precipitation pool, air-floatation water purifier, MBR films biological tank, sludge-tank and clear water reserviors, wherein the water inlet of the regulating reservoir Mouth connection car-washing sewage delivery port, the water inlet of the regulating reservoir is fixedly installed grid, and the regulating reservoir passes through elevator pump Water inlet with the oil partiting precipitation pool is connected, and the delivery port of the oil partiting precipitation pool connects with the water inlet of the air-floatation water purifier Logical, the delivery port of the air-floatation water purifier is connected with the water inlet of the MBR films biological tank, the delivery port of the MBR biological tanks Water inlet with the clear water reserviors is connected, and the water in the clear water reserviors is used for the backwash of the membrane component of the MBR biological tanks, institute Sludge-tank is stated to be connected with the MBR films biological tank.
The air-floatation water purifier is connected with PAC, PAM chemicals dosing plant.
The clear water reserviors are also communicated to a reuse water tank.
The MBR biological tanks are connected with blower fan, and the air outlet of the blower fan is arranged on the inside of the MBR biological tanks.
The sludge-tank is connected with the oil partiting precipitation pool.
The slag notch of the oil partiting precipitation pool and the air-floatation water purifier is by pipeline connection and with common outlet.
The utility model has the advantages that:Car-washing sewage after treatment meets discharge standard;Car-washing sewage after treatment can be made It is Treated sewage reusing in rolling stock section, is mainly used in greenery patches and pours to spill, it may also be used for the backwash of membrane component in MBR film biological tanks, reduces The waste of water resource, regeneration rate is high;The scum silica frost that oil partiting precipitation pool and air-floatation water purifier are discharged can be mixed and stirred with coal, as pot Stove fuel, energy-conserving and environment-protective;System architecture advantages of simple, arrangement is convenient, high degree of automation, is suitable to promote.
Brief description of the drawings
Fig. 1 is that system of the present utility model arranges schematic diagram.
Specific embodiment
The utility model feature and other correlated characteristics are described in further detail by embodiment below in conjunction with accompanying drawing, In order to the understanding of technical staff of the same trade:
As shown in figure 1, marking 1-17 to be expressed as in figure:Grid 1, regulating reservoir 2, elevator pump 3, oil partiting precipitation pool 4, gas It is floating water purifier 5, dissolving 6, air compressor machine 7, dissolved air water pump 8, blower fan 9, MBR biology membrane cisterna 10, membrane module 11, suction pump 12, clear Pond 13, cartridge filter 14, backwashing pump 15, backwash dosing tank 16, make up a prescription water pipe 17.
Embodiment:The processing system for being used for railcar car-washing sewage in the present embodiment is mainly heavy including regulating reservoir 2, oil removal Sludge-tank not shown in shallow lake pond 4, air-floatation water purifier 5, MBR biology membrane cisterna 10, clear water reserviors 13 and Fig. 1.
As shown in figure 1, the position that car-washing sewage is illustrated from the left arrow of regulating reservoir 2 enters inside regulating reservoir 2, regulating reservoir 2 be used for regulating water quality water, make the pipe duct and each functional device normal work in system, not by car-washing sewage peak flow or The influence of change in concentration.The water inlet of regulating reservoir 2 is provided with grid 1, volume is larger during grid 1 is used to remove car-washing sewage Impurity, it is to avoid it enters regulating reservoir 2.The big I of grid of grid 1 is selected according to design needs.Now, grid 1 pair is washed What car sewage was played is first order treatment, the impurity larger to remove volume in car-washing sewage.
Regulating reservoir 2 is internally provided with elevator pump 3, and the delivery port of elevator pump 3 is connected with the water inlet of oil partiting precipitation pool 4 It is logical.Processed by the first order, the car-washing sewage of regulating reservoir 2 is pumped into the interior of oil partiting precipitation pool 4 by elevator pump 3 Portion, oil partiting precipitation pool 4 carries out second level treatment to car-washing sewage, removes heavy oil kind and partial particulate thing in car-washing sewage and has Machine thing.
The delivery port of oil partiting precipitation pool 4 is connected with the water inlet of air-floatation water purifier 5, and the carwash processed by the second level is dirty Water is fed among air-floatation water purifier 5 from oil partiting precipitation pool 4.Air-floatation water purifier 5 is provided with dissolving 6, air compressor machine 7, molten gas Water pump 8, wherein dissolving 6 are used to make air fully be dissolved in car-washing sewage, and air compressor machine 7 and dissolved air water pump 8 are used for air Compress and be fed among air-floatation water purifier 5.Air-floatation water purifier 5 carries out third level treatment to car-washing sewage, and flotation removal is tiny It is rich and remove substantial amounts of organic matter.
The delivery port of air-floatation water purifier 5 is connected with the water inlet of MBR biology membrane cisternas 10, by the carwash that the third level is processed Sewage is respectful from air-floatation water purifier 5 to be sent among MBR biology membrane cisternas 10.There is membrane component 11, membrane component in MBR biology membrane cisternas 10 11 may filter that remaining organic matter in car-washing sewage, i.e. membrane component 11 carry out fourth stage treatment to car-washing sewage, filter remaining Organic matter.In order that car-washing sewage quickly and in the case of having pressure can flow through membrane component 11, the one of MBR biology membrane cisternas 10 Side is provided with two Fans 9, and the air outlet of blower fan 9 is arranged at the inside of MBR biology membrane cisternas 10, so as to car-washing sewage is produced determine To flowing, i.e., membrane component 11 is flowed to all the time.
Now, the car-washing sewage for being processed through level Four passes through the membranous wall of membrane component 11 by two swabbing actions of suction pump 12 Into clear water reserviors 13.Water in clear water reserviors 13 is used for the backwash of membrane component.Clear water reserviors 13 are connected to cartridge filter 14, security personnel Filter 14 is used to remove the fine particles of more than 1 degree of turbidity.Clear water reserviors 13 are also connected with backwashing pump 15, backwash dosing tank 16 Connect, wherein backwashing pump 15 is used to reversely be pumped to the water in clear water reserviors 13 among MBR biology membrane cisternas 10, with to its membrane component 11 Backwashed, backwash dosing tank 16 is used for medicament is added in backwash, to improve backwash effect, and makes up a prescription water pipe 17 then Backwash dosing tank 16 is connected to configure medicament.
As shown in figure 1, representing that it is also connected with reuse water tank at the right side arrow of clear water reserviors 13, store up full when clear water reserviors 13 are interior Through after the car-washing sewage that level Four is filtered, unnecessary water overflow enters reuse water tank.Water in reuse water tank can be used as in rolling stock section Treated sewage reusing, is mainly used in greenery patches and pours to spill.
Sludge-tank is respectively constituted and connected with oil partiting precipitation pool 4 and MBR biology membrane cisternas 10, to collect the sludge in two ponds, is kept away Exempt from the harmful effect played to the treatment of car-washing sewage when sludge remains in two ponds inside.
The present embodiment is in the specific implementation:Oil partiting precipitation pool 4 could be arranged to be connected with the slag notch of air-floatation water purifier 5 And the structure with conjoint outlet, so, the scum silica frost that oil partiting precipitation pool 4 and air-floatation water purifier 5 are discharged can centralized recovery, Then mixed and stirred with coal facies, as boiler oil, the dirt in car-washing sewage is obtained secondary utilization, energy-conserving and environment-protective.
Air-floatation water purifier 5 is also connected to PAC, PAM chemicals dosing plant, enters with to the car-washing sewage in air-floatation water purifier 5 Row dosing, improves the treatment effect of third level treatment.
Although above example is elaborated to the design of the utility model purpose and embodiment referring to the drawings, But those skilled in the art will realize that under the precondition for limiting scope without departing from claim, still may be used To make various modifications and variations to the utility model, such as:The concrete structure of the location layout of each function device, each function device Composition etc., therefore do not repeat one by one herein.

Claims (6)

1. a kind of processing system for metro depot car-washing sewage, it is characterised in that:The processing system at least includes adjusting Section pond, oil partiting precipitation pool, air-floatation water purifier, MBR films biological tank, sludge-tank and clear water reserviors, wherein the water inlet of the regulating reservoir Connection car-washing sewage delivery port, the water inlet of the regulating reservoir is fixedly installed grid, the regulating reservoir by elevator pump with The water inlet connection of the oil partiting precipitation pool, the delivery port of the oil partiting precipitation pool connects with the water inlet of the air-floatation water purifier Logical, the delivery port of the air-floatation water purifier is connected with the water inlet of the MBR films biological tank, the delivery port of the MBR biological tanks Water inlet with the clear water reserviors is connected, and the water in the clear water reserviors is used for the backwash of the membrane component of the MBR biological tanks, institute Sludge-tank is stated to be connected with the MBR films biological tank.
2. a kind of processing system for metro depot car-washing sewage according to claim 1, it is characterised in that:It is described Air-floatation water purifier is connected with PAC, PAM chemicals dosing plant.
3. a kind of processing system for metro depot car-washing sewage according to claim 1, it is characterised in that:It is described Clear water reserviors are also communicated to a reuse water tank.
4. a kind of processing system for metro depot car-washing sewage according to claim 1, it is characterised in that:It is described MBR biological tanks are connected with blower fan, and the air outlet of the blower fan is arranged on the inside of the MBR biological tanks.
5. a kind of processing system for metro depot car-washing sewage according to claim 1, it is characterised in that:It is described Sludge-tank is connected with the oil partiting precipitation pool.
6. a kind of processing system for metro depot car-washing sewage according to claim 1, it is characterised in that:It is described The slag notch of oil partiting precipitation pool and the air-floatation water purifier is by pipeline connection and with common outlet.
CN201621332913.4U 2016-12-07 2016-12-07 A kind of processing system for metro depot car-washing sewage Active CN206289123U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621332913.4U CN206289123U (en) 2016-12-07 2016-12-07 A kind of processing system for metro depot car-washing sewage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621332913.4U CN206289123U (en) 2016-12-07 2016-12-07 A kind of processing system for metro depot car-washing sewage

Publications (1)

Publication Number Publication Date
CN206289123U true CN206289123U (en) 2017-06-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112645532A (en) * 2019-10-12 2021-04-13 江苏沛尔膜业股份有限公司 Vehicle washing wastewater treatment process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112645532A (en) * 2019-10-12 2021-04-13 江苏沛尔膜业股份有限公司 Vehicle washing wastewater treatment process

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