CN205258188U - Air supporting filtration membrane strains processing apparatus - Google Patents

Air supporting filtration membrane strains processing apparatus Download PDF

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Publication number
CN205258188U
CN205258188U CN201520973473.XU CN201520973473U CN205258188U CN 205258188 U CN205258188 U CN 205258188U CN 201520973473 U CN201520973473 U CN 201520973473U CN 205258188 U CN205258188 U CN 205258188U
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CN
China
Prior art keywords
membrane filtration
air
membrane
filtration
sewage
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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.)
Expired - Fee Related
Application number
CN201520973473.XU
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Chinese (zh)
Inventor
孙涛
孙连军
黄俊波
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Wuxi Gongyuan Machinery Co Ltd
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Wuxi Gongyuan Machinery Co Ltd
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Priority to CN201520973473.XU priority Critical patent/CN205258188U/en
Application granted granted Critical
Publication of CN205258188U publication Critical patent/CN205258188U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides an air supporting filtration membrane strains processing apparatus strains the district through setting up flotation area, filtering area, membrane, carries out a lot of filtration treatment, improves suspended impurity's the efficiency of detaching in can sewage, and it includes cell body and air dissolving system, a serial communication port, the cell body includes that flotation area and filtering area and membrane strain the district.

Description

A kind of air-float filtration membrane filtration treating apparatus
Technical field
The utility model relates to sewage disposal device, is specifically related to a kind of air-float filtration membrane filtration treating apparatus.
Background technology
Air supporting is a kind of equipment that is widely used in industrial wastewater and urban sewage treatment, and it plays the effect of Separation of Solid and Liquid and person's water-oil separating. Its operation principle is: the micro-bubble that height of formation disperses in water, adhere to hydrophobic solid or liquid particles in industrial wastewater and municipal sewage, particle adheres to after bubble, forming apparent density is less than the flco of water and floats to the water surface, formation scum layer is struck off, thereby realizes the process of solid-liquid or water-oil separating. But sewage, after conventional airfloat equipment, still has partial suspended thing residual, the COD of for example colloidal attitude and remaining macromolecular substances.
Utility model content
For the problems referred to above, the utility model provides a kind of air-float filtration membrane filtration treating apparatus, by air flotation zone, filtering area, membrane filtration district are set, carries out multiple times of filtration processing, improves the efficiency of removing of suspended impurity in can sewage.
Its technical scheme is such, a kind of air-float filtration membrane filtration treating apparatus, and it comprises pond body and air dissolving system, it is characterized in that, described pond body comprises air flotation zone and filtering area and membrane filtration district;
Described air flotation zone comprises reaction zone, contact mixed zone and the Disengagement zone that order arranges, and described reaction zone is with the described mixed zone that contacts by baffle for separating and by pipeline UNICOM, and sewage enters described contact mixed zone by pipeline from described reaction zone enters; Between described contact mixed zone and described Disengagement zone, deflector is set, sewage overflows described contact mixed zone from described deflector and enters described Disengagement zone;
Described filtering area comprises the filtering ponds that are arranged on below, described Disengagement zone, in described filtering ponds, be provided with filter material layer, in filtering ponds below described filter material layer, be provided with collector pipe, described collector pipe is connected with filter tank outlet pipe, on the outlet pipe of filter tank, be provided with out water pump, described go out water pump can be by the sewage collecting in the filtering ponds of described filter material layer below to being arranged in the sewage collecting tank of described filtering ponds rear side, described sewage collecting tank is provided with feeder overfall, on described feeder overfall, be provided with downflow weir, the below of corresponding described sewage collecting tank is provided with membrane filtration district, sewage enters described membrane filtration district by described feeder overfall.
Described membrane filtration district comprises membrane filtration groove, described membrane filtration groove is respectively arranged with sewage import and outlet of sewer, in described membrane filtration groove, be provided with membrane module, the purified liquor outlet on described membrane module top is connected with membrane module outlet pipe, on described membrane module outlet pipe, be provided with vavuum pump, described membrane module outlet pipe is communicated with Rinsing Area, described vavuum pump can be arranged the sewage filtering through assembly described in film into described Rinsing Area, described membrane module also comprises aerating pipelines, described aerating pipelines one end is provided with compressed air inlet port and connects compressed air origin, the other end of described aerating pipelines is provided with air purge valve.
Further, described membrane filtration groove is at least provided with two, and between described membrane filtration groove, by membrane filtration groove baffle for separating, described sewage import and described outlet of sewer are arranged on described membrane filtration groove dividing plate.
Further, described sewage import is arranged on a jiao of the Water Cube body that described membrane filtration groove forms, and described outlet of sewer is the corresponding diagonal position place that is arranged on the Water Cube body that described membrane filtration groove forms.
Further, described membrane filtration district comprises back washing device, described back washing device comprises backwash tube, on described backwash tube, be provided with film backwashing pump, one end of described backwash tube connects described Rinsing Area, the other end of described backwash tube connects described membrane module, and described back washing device also comprises the blow-down pipe that is arranged on membrane filtration groove lower end.
Further, described filtering area also comprises backwashing system, described backwashing system comprises backwash tube, one end of described backwash tube is connected with described Rinsing Area, on described backwash pipe, be provided with filter tank backwashing pump, the other end of described backwash tube connects described collector pipe, and described backwashing system also comprises the filter tank outlet valve being arranged on the outlet pipe of filter tank, and backwashing system also comprises the blow-down pipe that is arranged on lower end, described contact mixed zone.
Further, the top of described Disengagement zone is provided with Slag Scraping Device, and a side correspondence of described Slag Scraping Device is provided with slag chute, and described slag chute is provided with and leads slag weir near a side of described Slag Scraping Device.
Further, described filter material layer comprises filtrate, filter cap and filter plate.
Further, described air dissolving system comprises the dissolving being connected with described Rinsing Area by fresh water pipeline, on described fresh water pipeline, be also provided with air dissolved pump, described dissolving is connected with Gas dissolving pipe road, the one end in described Gas dissolving pipe road is communicated in described contact mixed zone, and Clean water valve is also set on described fresh water pipeline.
Further, described membrane filtration groove is connected with reflux pump by return line, and described return line is communicated with described reaction zone, and described reflux pump can be by the sewage discharge of described membrane filtration groove remnants in described reaction zone.
Further, on described membrane module outlet pipe, be provided with dosing mouth, described pond side portion is provided with grug feeding jar, and described grug feeding jar is connected with described dosing mouth by pipeline, dosing pump.
Adopt air-float filtration membrane filtration treating apparatus of the present utility model, sewage, carries out preliminary Separation of Solid and Liquid by By Bubble-floating Method and separates with fluid successively through reaction zone, contact mixed zone and Disengagement zone in air flotation zone, enter after filtering area, through filtering ponds, further except the COD of the colloidal attitude in decontaminated water and remaining macromolecular substances, thereby improve the efficiency of removing of suspension, sewage through filtering ponds enters sewage collecting tank, then enter membrane filtration district by downflow weir, sewage is further filtered by the membrane module in membrane filtration groove in membrane filtration district, clear liquid after filtration is discharged in Rinsing Area by vavuum pump, complete sewage purification, make this device can be in the confined space integrated multiple processing capacity, not only there is floor space little, reduced investment, and equipment is for conventional airfloat equipment, SS, colourity, removal of heavy metal ions rate all will obviously improve, in addition, air-float filtration membrane filtration treating apparatus of the present utility model is also provided with backwashing system, can improve the utilization rate of the filter material layer of filtering area, in addition the membrane module in membrane filtration district also has backwash function, can carry out the utilization rate of backwash filter membrane raising filter membrane, side, pond portion is provided with grug feeding jar, grug feeding jar passes through pipeline, dosing pump is connected with the dosing mouth on membrane module outlet pipe, in the time that membrane module cannot have efficient recovery membrane flux with backwash, grug feeding jar can inject suitable medicament to membrane module by dosing pump, reach the object of cleaning plate film assembly.
Brief description of the drawings
Fig. 1 is the main TV structure schematic diagram of air-float filtration membrane filtration treating apparatus of the present utility model;
Fig. 2 is the plan structure schematic diagram of air-float filtration membrane filtration treating apparatus of the present utility model;
Fig. 3 is the backsight structural representation of air-float filtration membrane filtration treating apparatus of the present utility model;
Fig. 4 is the left TV structure schematic diagram of air-float filtration membrane filtration treating apparatus of the present utility model;
Fig. 5 is the right TV structure schematic diagram of air-float filtration membrane filtration treating apparatus of the present utility model.
Detailed description of the invention
As shown in Figures 1 to 5, a kind of air-float filtration membrane filtration treating apparatus, it comprises pond body and air dissolving system, pond body comprises air flotation zone 1, filtering area 2 and membrane filtration district 32;
Air flotation zone 1 comprises reaction zone 3, contact mixed zone 4 and the Disengagement zone 6 that order arranges, reaction zone 3 and contact mixed zone 4 and separate by dividing plate 5 and pass through pipeline 7 UNICOMs, and sewage is entered and is contacted mixed zone 4 by pipeline 7 from reaction zone 3 enters; Between contact mixed zone 4 and Disengagement zone 6, deflector 8 is set, sewage overflows contact mixed zone 4 from deflector 8 and enters Disengagement zone 6, is provided with water inlet pipe 30 on reaction zone 3, and the visual actual demand of reaction zone 3 arranges several;
Filtering area 2 comprises the filtering ponds 9 that are arranged on 6 belows, Disengagement zone, be provided with filter material layer 10 at filtering ponds 9, filter material layer 10 comprises filtrate, filter cap and filter plate, in filtering ponds 9 below filter material layer 10, be provided with collector pipe 31, collector pipe 31 is connected with filter tank outlet pipe 11, on filter tank outlet pipe 11, be provided with sand filtration and go out water pump, sand filtration goes out water pump can be by the sewage collecting in the filtering ponds of filter material layer 10 belows to being arranged in the sewage collecting tank 13 of filtering ponds 9 rear sides, in sewage collecting tank 13, be provided with feeder overfall, on feeder overfall, be provided with downflow weir 14, the below of corresponding described sewage collecting tank is provided with membrane filtration district 32, sewage enters membrane filtration district 32 by feeder overfall,
Described membrane filtration district comprises membrane filtration groove 33, in present embodiment, membrane filtration groove 33 is provided with three, between membrane filtration groove 33, separate by membrane filtration groove dividing plate 34, the sewage import of membrane filtration groove 33 and outlet of sewer are arranged on membrane filtration groove dividing plate 34, sewage import is arranged on a jiao of the Water Cube body that membrane filtration groove 33 forms, outlet of sewer is the corresponding diagonal position place that is arranged on the Water Cube body that membrane filtration groove 33 forms, in membrane filtration groove 33, be provided with membrane module 35, the purified liquor outlet on membrane module 35 tops is connected with membrane module outlet pipe 36, on membrane module outlet pipe 36, be provided with vavuum pump 37, membrane module outlet pipe 36 is communicated with Rinsing Area 15, vavuum pump 37 can be arranged the sewage filtering through membrane module 35 into Rinsing Area 15, membrane module 35 also comprises aerating pipelines 38, aerating pipelines 38 one end are provided with compressed air inlet port 39 and connect compressed air origin, the other end of aerating pipelines is provided with air purge valve 40.
Membrane filtration groove 33 is connected with reflux pump 41 by return line, and return line 44 is communicated with reaction zone 3, and reflux pump 41 can be by the sewage discharge of membrane filtration groove 33 remnants in reaction zone 3.
On membrane module outlet pipe 36, be provided with dosing mouth 42, side, pond portion is provided with grug feeding jar 43, and grug feeding jar 43 is connected with dosing mouth 42 by pipeline, dosing pump.
Membrane filtration district comprises back washing device, back washing device comprises backwash tube 45, on backwash tube 45, be provided with film backwashing pump 46, one end of backwash tube 45 connects Rinsing Area 15, the other end junctional membrane assembly 35 of backwash tube 45, described back washing device also comprises the blow-down pipe 20 that is arranged on membrane filtration groove 33 lower ends.
Filtering area 2 also comprises backwashing system, backwashing system comprises backwash tube 16, one end of backwash tube 16 is connected with Rinsing Area 15, on backwash pipe 16, be provided with back flush valves 17 and filter tank backwashing pump 18, the other end of backwash tube 16 connects collector pipe 31, backwashing system also comprises the filter tank outlet valve 19 being arranged on filter tank outlet pipe 11, and backwashing system also comprises the blow-down pipe 20 that is arranged on contact 4 lower ends, mixed zone.
6 tops, Disengagement zone are provided with Slag Scraping Device 21, and a side correspondence of Slag Scraping Device 21 is provided with slag chute 22, and slag chute 22 is provided with and leads slag weir 23 near a side of Slag Scraping Device 21.
Air dissolving system comprises the dissolving 26 being connected with Rinsing Area 15 by fresh water pipeline 25, on fresh water pipeline 25, be also provided with air dissolved pump 27, dissolving 26 is connected with Gas dissolving pipe road 28, and the one end in Gas dissolving pipe road 28 is communicated in contact mixed zone 4, and Clean water valve 29 is also set on fresh water pipeline 25.
The filtration course of work is as follows: 1, sewage enters water inlet pipe 30 and enters reaction zone 3, carries out flocculation reaction; 2, sewage enters the contact mixed zone 4 of pond body by pipeline 7, dissolving 26 produces dissolved air water by air dissolved pump 27, dissolved air water enters contact mixed zone 4 by Gas dissolving pipe road 28, sewage and dissolved air water mix contacting mixed zone 4, make microbubble can effectively stick to floc particle surface, form the particle that gross density is less than water; 3, enter Disengagement zone 6 through dividing plate 5, and carry out FLOTATION SEPARATION at this, complete Separation of Solid and Liquid process; 4, enter filtering ponds through the sewage of Separation of Solid and Liquid processing, sewage downwards after filtration the bed of material 10 filtered; 5, after filtering sewage enter sewage collecting tank 13 through collector pipe 31, then enter membrane filtration district 32 through feeder overfall; 7, the membrane module 35 in membrane filtration district 32 filters sewage, and the clear liquid after filtration is arranged in Rinsing Area 15 by vavuum pump, completes filtration; 8 membrane filtration grooves 33, by return line and reflux pump 41, arrive the sewage discharge of membrane filtration groove 33 remnants in reaction zone 3.
The filter of floating filtration treatment device of the present utility model is also provided with backwashing system, in the time that filtering ponds 9 need backwash, equipment stops into water, close filter tank outlet valve 19, open back flush valves 17, filter tank backwashing pump 18 is squeezed into collector pipe 31 by the clear water extraction in Rinsing Area 15 filtering ponds 9 is carried out to backwash, and the sewage after backwash is discharged pond body through the blow-down pipe 20 in haptoreaction district 4.
The membrane filtration district 32 of floating filtration treatment device of the present utility model also can realize backwash, when stopping up appears in film, can close membrane module outlet pipe 36, by backwash tube 45 and film backwashing pump 46, membrane module is realized to backwash, but also can economize striping backwashing pump 19, vavuum pump 15 is only set. Open and close by different switch valves, change the direction of a stream of water, only completed and extracted the clear liquid of membrane filtration and the function of backwash film by vavuum pump 15, the sewage after backwash is discharged pond body through the blow-down pipe 20 of membrane filtration groove 33.
In the other dosing tank field of arranging of pond body, dosing tank field arranges some grug feeding jars 43, includes the required flocculant of air supporting, flocculation aid, acid or alkali, related agents and molten medicine, the required relevant device of offeing medicine that film is cleaned in addition; In the time that membrane module 35 use backwashes cannot have efficient recovery membrane flux, can inject suitable medicament through pipeline to membrane module 35 by the dosing pump of dosing tank field, reach the object of rinsing membrane module 35.

Claims (10)

1. an air-float filtration membrane filtration treating apparatus, it comprises pond body and air dissolving system, it is characterized in that: described pond body comprises air flotation zone and filtering area and membrane filtration district;
Described air flotation zone comprises reaction zone, contact mixed zone and the Disengagement zone that order arranges, and described reaction zone is with the described mixed zone that contacts by baffle for separating and by pipeline UNICOM, and sewage enters described contact mixed zone by pipeline from described reaction zone enters; Between described contact mixed zone and described Disengagement zone, deflector is set, sewage overflows described contact mixed zone from described deflector and enters described Disengagement zone;
Described filtering area comprises the filtering ponds that are arranged on below, described Disengagement zone, in described filtering ponds, be provided with filter material layer, in filtering ponds below described filter material layer, be provided with collector pipe, described collector pipe is connected with filter tank outlet pipe, on the outlet pipe of filter tank, be provided with out water pump, described go out water pump can be by the sewage collecting in the filtering ponds of described filter material layer below to being arranged in the sewage collecting tank of described filtering ponds rear side, described sewage collecting tank is provided with feeder overfall, on described feeder overfall, be provided with downflow weir, the below of corresponding described sewage collecting tank is provided with membrane filtration district, sewage enters described membrane filtration district by described feeder overfall,
Described membrane filtration district comprises membrane filtration groove, described membrane filtration groove is respectively arranged with sewage import and outlet of sewer, in described membrane filtration groove, be provided with membrane module, the purified liquor outlet on described membrane module top is connected with membrane module outlet pipe, on described membrane module outlet pipe, be provided with vavuum pump, described membrane module outlet pipe is communicated with Rinsing Area, described vavuum pump can be arranged the sewage filtering through described membrane module into described Rinsing Area, described membrane module also comprises aerating pipelines, described aerating pipelines one end is provided with compressed air inlet port and connects compressed air origin, the other end of described aerating pipelines is provided with air purge valve.
2. a kind of air-float filtration membrane filtration treating apparatus according to claim 1, it is characterized in that: described membrane filtration groove is at least provided with two, between described membrane filtration groove, by membrane filtration groove baffle for separating, described sewage import and described outlet of sewer are arranged on described membrane filtration groove dividing plate.
3. a kind of air-float filtration membrane filtration treating apparatus according to claim 2, it is characterized in that: described sewage import is arranged on a jiao of the Water Cube body that described membrane filtration groove forms, described outlet of sewer is the corresponding diagonal position place that is arranged on the Water Cube body that described membrane filtration groove forms.
4. a kind of air-float filtration membrane filtration treating apparatus according to claim 1, it is characterized in that: described membrane filtration district comprises back washing device, described back washing device comprises backwash tube, on described backwash tube, be provided with film backwashing pump, one end of described backwash tube connects described Rinsing Area, the other end of described backwash tube connects described membrane module, and described back washing device also comprises the blow-down pipe that is arranged on described membrane filtration groove lower end.
5. a kind of air-float filtration membrane filtration treating apparatus according to claim 1, it is characterized in that: described filtering area also comprises backwashing system, described backwashing system comprises backwash tube, one end of described backwash tube is connected with described Rinsing Area, on described backwash tube, be provided with filter tank backwashing pump, the other end of described backwash tube connects described collector pipe, described backwashing system also comprises the filter tank outlet valve being arranged on the outlet pipe of filter tank, and backwashing system also comprises the blow-down pipe that is arranged on lower end, described contact mixed zone.
6. a kind of air-float filtration membrane filtration treating apparatus according to claim 1, it is characterized in that: the top of described Disengagement zone is provided with Slag Scraping Device, one side correspondence of described Slag Scraping Device is provided with slag chute, and described slag chute is provided with and leads slag weir near a side of described Slag Scraping Device.
7. a kind of air-float filtration membrane filtration treating apparatus according to claim 1, is characterized in that: described filter material layer comprises filtrate, filter cap and filter plate.
8. a kind of air-float filtration membrane filtration treating apparatus according to claim 1, it is characterized in that: described air dissolving system comprises the dissolving being connected with described Rinsing Area by fresh water pipeline, on described fresh water pipeline, be also provided with air dissolved pump, described dissolving is connected with Gas dissolving pipe road, the one end in described Gas dissolving pipe road is communicated in described contact mixed zone, and Clean water valve is also set on described fresh water pipeline.
9. a kind of air-float filtration membrane filtration treating apparatus according to claim 1, it is characterized in that: described membrane filtration groove is connected with reflux pump by return line, described return line is communicated with described reaction zone, and described reflux pump can be by the sewage discharge of described membrane filtration groove remnants in described reaction zone.
10. a kind of air-float filtration membrane filtration treating apparatus according to claim 1, it is characterized in that: on described membrane module outlet pipe, be provided with dosing mouth, the sidepiece of described pond body is provided with grug feeding jar, and described grug feeding jar is connected with described dosing mouth by pipeline, dosing pump.
CN201520973473.XU 2015-11-30 2015-11-30 Air supporting filtration membrane strains processing apparatus Expired - Fee Related CN205258188U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105347569A (en) * 2015-11-30 2016-02-24 无锡工源机械有限公司 Air-flotation, filtering and membrane-filtering treatment device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105347569A (en) * 2015-11-30 2016-02-24 无锡工源机械有限公司 Air-flotation, filtering and membrane-filtering treatment device

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160525

Termination date: 20181130