CN105347569B - Air-float filtration membrane filtration processing unit - Google Patents
Air-float filtration membrane filtration processing unit Download PDFInfo
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- CN105347569B CN105347569B CN201510855429.3A CN201510855429A CN105347569B CN 105347569 B CN105347569 B CN 105347569B CN 201510855429 A CN201510855429 A CN 201510855429A CN 105347569 B CN105347569 B CN 105347569B
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Abstract
The invention provides air-float filtration membrane filtration processing unit, by setting air flotation zone, filtering area, membrane filtration area, carry out multiple times of filtration processing, can be with the removal efficiency of raising suspended impurity in sewage, it includes pond body and air dissolving system, characterized in that, the pond body includes air flotation zone and filtering area and membrane filtration area.
Description
Technical field
The present invention relates to sewage disposal device, and in particular to air-float filtration membrane filtration processing unit.
Background technology
Air supporting is a kind of equipment for being widely used in industrial wastewater and urban sewage treatment, and it plays separation of solid and liquid and person's oil
The effect of water separation.Its operation principle is：The micro-bubble of high degree of dispersion is formed in water, adheres to industrial wastewater and municipal sewage
In hydrophobic solid or liquid particles, after particle adhesion bubble, form apparent density and be less than the flco of water and float to the water surface, shape
It is stripped off into scum layer, so as to realize the process of solid-liquid or water-oil separating.But sewage still has portion after conventional airfloat equipment
Divide suspension residual, such as the COD of colloidal attitude and remaining macromolecular substances.
The content of the invention
In view of the above-mentioned problems, the invention provides air-float filtration membrane filtration processing unit, by set air flotation zone, filtering area,
Membrane filtration area, multiple times of filtration processing is carried out, can be with the removal efficiency of raising suspended impurity in sewage.
Its technical scheme is such, and air-float filtration membrane filtration processing unit, it includes pond body and air dissolving system, and its feature exists
In the pond body includes air flotation zone and filtering area and membrane filtration area；
The air flotation zone includes reaction zone, the contact mixed zone and Disengagement zone that order is set, and the reaction zone and described connects
Mixed zone is touched by dividing plate to separate and enter the contact by pipeline after reaction zone entrance by pipeline UNICOM, sewage
Mixed zone；Deflector is set between the contact mixed zone and the Disengagement zone, and sewage overflows the contact from the deflector
Mixed zone enters the Disengagement zone；
The filtering area includes being arranged on the filtering ponds below the Disengagement zone, and filtrate is provided with the filtering ponds
Layer, is provided with collector pipe, the collector pipe is connected with filter tank outlet pipe, and filter tank goes out in the filtering ponds below the filter material layer
Be provided with out water pump on water pipe, it is described go out water pump can be by the sewage collecting in the filtering ponds below the filter material layer to being arranged on
In sewage collecting tank on rear side of the filtering ponds, the sewage collecting tank is provided with collecting tank overfall, the collecting tank overflow
Downflow weir is provided with mouthful, is provided with membrane filtration area below the corresponding sewage collecting tank, sewage passes through the collecting tank overflow
Mouth enters the membrane filtration area.
The membrane filtration area includes membrane filtration groove, and the membrane filtration groove is respectively arranged with wastewater inlet and outlet of sewer, the membrane filtration
Membrane module is provided with groove, the purified liquor outlet on the membrane module top is connected with membrane module outlet pipe, the membrane module outlet pipe
On be provided with vavuum pump, the membrane module outlet pipe connects Rinsing Area, and the vavuum pump can be by through component filters described in film
Sewage discharges into the Rinsing Area, and the membrane module also includes aerating pipelines, and the aeration tube road one end is provided with compressed air air inlet
Mouth simultaneously connects compressed air origin, and the other end on the aeration tube road is provided with air purge valve.
Further, the membrane filtration groove is separated, institute at least provided with two between the membrane filtration groove by membrane filtration groove dividing plate
State wastewater inlet and the outlet of sewer is arranged on the membrane filtration groove dividing plate.
Further, the wastewater inlet is arranged on one jiao of the Water Cube body that the membrane filtration groove is formed, and the sewage goes out
Mouth is then correspondingly arranged at the diagonal position for the Water Cube body that the membrane filtration groove is formed.
Further, the membrane filtration area includes back washing device, and the back washing device includes backwash tube, the backwash tube
On be provided with film backwashing pump, one end of the backwash tube connects the Rinsing Area, the other end connection of the backwash tube
The membrane module, the back washing device also include the blow-down pipe for being arranged on membrane filtration groove lower end.
Further, the filtering area also includes backwashing system, and the backwashing system includes backwash tube, the backwash
One end of pipe is connected with the Rinsing Area, and filter tank backwashing pump, the other end of the backwash tube are provided with the backwash tube
The collector pipe is connected, the backwashing system also includes the filter tank outlet valve being arranged on the outlet pipe of filter tank, and backwashing system also wraps
Include the blow-down pipe for being arranged on the contact mixed zone lower end.
Further, Slag Scraping Device is provided with above the Disengagement zone, the side of the Slag Scraping Device is correspondingly arranged on slag chute,
The slag chute is provided with close to the side of the Slag Scraping Device and leads slag weir.
Further, the filter material layer includes filtrate, filter cap and filter plate.
Further, the air dissolving system includes the dissolving being connected by fresh water pipeline with the Rinsing Area, described
Air dissolved pump is additionally provided with fresh water pipeline, the dissolving is connected with Gas dissolving pipe road, and the one end in the Gas dissolving pipe road is communicated to institute
State in contact mixed zone, Clean water valve is also set up on the fresh water pipeline.
Further, the membrane filtration groove is connected with reflux pump by return line, and the return line connects the reaction
Area, the reflux pump can be by the remaining sewage discharges of the membrane filtration groove to the reaction zone.
Further, dosing mouth is provided with the membrane module outlet pipe, the pond body sidepiece is provided with grug feeding jar, described to add
Medicinal cupping is connected by pipeline, dosing pump with the dosing mouth.
Using the air-float filtration membrane filtration processing unit of the present invention, sewage is in air flotation zone successively by reaction zone, contact mixing
Area and Disengagement zone, preliminary separation of solid and liquid is carried out by Bubble-floating Method and fluid separates；Into after filtering area, by filtering ponds, enter
One step removes the COD of the colloidal attitude in decontaminated water and remaining macromolecular substances, so as to improve the removal efficiency of suspension, passes through
The sewage in filter tank enters sewage collecting tank, then enters membrane filtration area by downflow weir, passes through the film group in membrane filtration groove in membrane filtration area
Part is further filtered to sewage, and the clear liquid after filtering is discharged into Rinsing Area by vavuum pump, completes sewage purification so that
The device can integrate a variety of processing functions, not only small with floor space, reduced investment in the confined space, and equipment is relative
For conventional airfloat equipment, SS, colourity, removal of heavy metal ions rate are intended to significantly improve, in addition, the air supporting of the present invention
Filter membrane filter processing unit is additionally provided with backwashing system, can improve the utilization rate of the filter material layer of filtering area, in addition the film in membrane filtration area
Component also has backwash function, can carry out the utilization rate that backwash filter membrane improves filter membrane, and pond body sidepiece is provided with grug feeding jar, added
Medicinal cupping is connected by pipeline, dosing pump with the dosing mouth on membrane module outlet pipe, when membrane module backwash can not be effectively extensive
When laminating adhesive flux, grug feeding jar can inject suitable medicament by dosing pump to membrane module, reach the purpose of cleaning plate film assembly.
Brief description of the drawings
Fig. 1 is the main structure diagram of the air-float filtration membrane filtration processing unit of the present invention；
Fig. 2 is the overlooking the structure diagram of the air-float filtration membrane filtration processing unit of the present invention；
Fig. 3 is the backsight structural representation of the air-float filtration membrane filtration processing unit of the present invention；
Fig. 4 is the left view structural representation of the air-float filtration membrane filtration processing unit of the present invention；
Fig. 5 is the right side structural representation of the air-float filtration membrane filtration processing unit of the present invention.
Embodiment
As shown in Figures 1 to 5, air-float filtration membrane filtration processing unit, it includes pond body and air dissolving system, and pond body includes air supporting
Area 1, filtering area 2 and membrane filtration area 32；
Air flotation zone 1 includes reaction zone 3, contact mixed zone 4 and the Disengagement zone 6 that order is set, reaction zone 3 and contact mixed zone
4 are separated by dividing plate 5 and enter contact mixed zone 4 by pipeline 7 after the entrance of reaction zone 3 by the UNICOM of pipeline 7, sewage；Connect
Touch and deflector 8 is set between mixed zone 4 and Disengagement zone 6, sewage overflows contact mixed zone 4 from deflector 8 and enters Disengagement zone 6, instead
Answer and water inlet pipe 30 is provided with area 3,3 visual actual demand of reaction zone sets several；
Filtering area 2 includes the filtering ponds 9 for being arranged on the lower section of Disengagement zone 6, and filtering ponds 9 are provided with filter material layer 10, filter material layer
10 include filtrate, filter cap and filter plate, and collector pipe 31, collector pipe 31 and filter tank are provided with the filtering ponds 9 below filter material layer 10
Outlet pipe 11 is connected, and sand filtration is provided with filter tank outlet pipe 11 and goes out water pump, sand filtration goes out water pump can be by the lower section of filter material layer 10
Sewage collecting in filtering ponds is provided with receipts to being arranged in the sewage collecting tank 13 of the rear side of filtering ponds 9 in sewage collecting tank 13
Collect groove overfall, downflow weir 14 is provided with collecting tank overfall, membrane filtration area is provided with below the corresponding sewage collecting tank
32, sewage enters membrane filtration area 32 by collecting tank overfall；
The membrane filtration area includes membrane filtration groove 33, and membrane filtration groove 33 is provided with three in present embodiment, leads between membrane filtration groove 33
Cross membrane filtration groove dividing plate 34 to separate, the wastewater inlet and outlet of sewer of membrane filtration groove 33 are arranged on membrane filtration groove dividing plate 34, wastewater inlet
One jiao of the Water Cube body of the formation of membrane filtration groove 33 is arranged on, outlet of sewer is then correspondingly arranged at the Water Cube body of the formation of membrane filtration groove 33
Diagonal position at, membrane module 35 is provided with membrane filtration groove 33, the purified liquor outlet on the top of membrane module 35 is connected with membrane module water outlet
Pipe 36, is provided with vavuum pump 37 on membrane module outlet pipe 36, and membrane module outlet pipe 36 connects Rinsing Area 15, and vavuum pump 37 can will
The sewage filtered through membrane module 35 discharges into Rinsing Area 15, and membrane module 35 also includes aerating pipelines 38, and the one end of aerating pipelines 38 is provided with
Compressed air inlet port 39 simultaneously connects compressed air origin, and 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 connects reaction zone 3, and reflux pump 41 can
By in the remaining sewage discharge of membrane filtration groove 33 to reaction zone 3.
Be provided with dosing mouth 42 on membrane module outlet pipe 36, pond body sidepiece is provided with grug feeding jar 43, grug feeding jar 43 by pipeline,
Dosing pump is connected with dosing mouth 42.
Membrane filtration area includes back washing device, and back washing device includes backwash tube 45, and film backwash is provided with backwash tube 45
Pump 46, one end connection Rinsing Area 15 of backwash tube 45, the other end connection membrane module 35 of backwash tube 45, the back washing device
Also include the blow-down pipe 20 for being arranged on the lower end of membrane filtration groove 33.
Filtering area 2 also includes backwashing system, and backwashing system includes backwash tube 16, one end of backwash tube 16 and Rinsing Area
15 are connected, and back flush valves 17 and filter tank backwashing pump 18, the other end connection collection of backwash tube 16 are provided with backwash tube 16
Water pipe 31, backwashing system also include the filter tank outlet valve 19 being arranged on filter tank outlet pipe 11, and backwashing system also includes being arranged on
Contact the blow-down pipe 20 of the lower end of mixed zone 4.
The top of Disengagement zone 6 is provided with Slag Scraping Device 21, and the side of Slag Scraping Device 21 is correspondingly arranged on slag chute 22, and slag chute 22 is close to be scraped
The side of slag machine 21, which is provided with, leads slag weir 23.
Air dissolving system includes the dissolving 26 being connected by fresh water pipeline 25 with Rinsing Area 15, is also set on fresh water pipeline 25
Air dissolved pump 27 is equipped with, 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, clearly
Clean water valve 29 is also set up on waterpipe 25.
Filtration process is as follows：1st, sewage enters water inlet pipe 30 and enters reaction zone 3, carries out flocculation reaction；2nd, sewage leads to
The contact mixed zone 4 that pipeline 7 enters pond body is crossed, dissolving 26 produces dissolved air water by air dissolved pump 27, and dissolved air water passes through Gas dissolving pipe
Road 28 enters contact mixed zone 4, sewage and dissolved air water and mixed in contact mixed zone 4 so that microbubble can be effectively adhered to
Floc particle surface, form the particle that gross density is less than water；3rd, enter Disengagement zone 6 by dividing plate 5, and carry out flotation point herein
From completion separation of solid and liquid process；4th, the sewage handled by separation of solid and liquid enters filtering ponds, and sewage obtains downwards by filter material layer 10
To filtering；5th, the sewage after filtering enters sewage collecting tank 13 by collector pipe 31, then enters film by collecting tank overfall
Filter area 32；7th, the membrane module 35 in membrane filtration area 32 filters to sewage, and the clear liquid after filtering discharges into Rinsing Area 15 by vavuum pump
In, complete filtering；8 membrane filtration grooves 33 are by return line and reflux pump 41, by the remaining sewage discharge of membrane filtration groove 33 to reaction zone 3
It is interior.
The filter of the floating filtration treatment device of the present invention is additionally provided with backwashing system, when filtering ponds 9 need backwash, if
It is standby to stop water inlet, filter tank outlet valve 19 is closed, opens back flush valves 17, filter tank backwashing pump 18 takes out the clear water in Rinsing Area 15
Go out to squeeze into collector pipe 31 and backwash is carried out to filtering ponds 9, the sewage after backwash discharges pond by the blow-down pipe 20 in haptoreaction area 4
Body.
The membrane filtration area 32 of floating filtration treatment device of the present invention can also realize backwash, when film blocks, can close
Membrane module outlet pipe 36, backwash is realized to membrane module by backwash tube 45 and film backwashing pump 46, but striping can also be saved
Backwashing pump 19, a setting vavuum pump 15.It is opened and closed, is changed the direction of a stream of water by different switch valves, it is only complete by vavuum pump 15
Into the clear liquid and the function of backwash film for extracting membrane filtration, the sewage after backwash discharges pond by the blow-down pipe 20 of membrane filtration groove 33
Body.
Dosing tank field is arranged by pond body, dosing tank field sets some grug feeding jars 43, include flocculant needed for air supporting,
Flocculation aid, acid or alkali, there are the related agents cleaned to film and molten medicine, required relevant device of offeing medicine；When membrane module 35
When can not effectively recover membrane flux with backwash, it can be injected and closed to membrane module 35 by pipeline by the dosing pump of dosing tank field
Suitable medicament, reach the purpose of rinsing membrane module 35.
Claims (2)
1. air-float filtration membrane filtration processing unit, it includes pond body and air dissolving system, it is characterised in that：The pond body includes air flotation zone
With filtering area and membrane filtration area；
The air flotation zone includes reaction zone, contact mixed zone and the Disengagement zone that order is set, and the reaction zone and the contact are mixed
Close area by dividing plate to separate and by pipeline UNICOM, sewage enters the contact by pipeline after reaction zone entrance and mixed
Area；Deflector is set between the contact mixed zone and the Disengagement zone, and sewage overflows the contact mixing from the deflector
Area enters the Disengagement zone；
The filtering area includes being arranged on the filtering ponds below the Disengagement zone, and filter material layer is provided with the filtering ponds,
Collector pipe is provided with filtering ponds below the filter material layer, the collector pipe is connected with filter tank outlet pipe, filter tank outlet pipe
On be provided with out water pump, it is described go out water pump can be described to being arranged on by the sewage collecting in the filtering ponds below the filter material layer
In sewage collecting tank on rear side of filtering ponds, the sewage collecting tank is provided with collecting tank overfall, on the collecting tank overfall
Downflow weir is provided with, is provided with membrane filtration area below the corresponding sewage collecting tank, sewage is entered by the collecting tank overfall
Enter the membrane filtration area；
The membrane filtration area includes membrane filtration groove, and the membrane filtration groove is respectively arranged with wastewater inlet and outlet of sewer, in the membrane filtration groove
Membrane module is provided with, the purified liquor outlet on the membrane module top is connected with membrane module outlet pipe, set on the membrane module outlet pipe
Vavuum pump is equipped with, the membrane module outlet pipe connects Rinsing Area, the sewage that the vavuum pump will can filter through the membrane module
The Rinsing Area is discharged into, the membrane module also includes aerating pipelines, and the aeration tube road one end is provided with compressed air inlet port simultaneously
Compressed air origin is connected, the other end on the aeration tube road is provided with air purge valve；
The membrane filtration groove at least provided with two, between the membrane filtration groove by membrane filtration groove dividing plate separate, the wastewater inlet and
The outlet of sewer is arranged on the membrane filtration groove dividing plate；
The wastewater inlet is arranged on one jiao of the Water Cube body that the membrane filtration groove is formed, and the outlet of sewer is then correspondingly arranged at
At the diagonal position for the Water Cube body that the membrane filtration groove is formed；
The membrane filtration area includes back washing device, and the back washing device includes backwash tube, and it is anti-to be provided with film on the backwash tube
Flushing pump, one end of the backwash tube connect the Rinsing Area, and the other end of the backwash tube connects the membrane module, institute
State the blow-down pipe that back washing device also includes being arranged on the membrane filtration groove lower end；
The filtering area also includes backwashing system, and the backwashing system includes backwash tube, one end of the backwash tube and institute
State Rinsing Area to be connected, filter tank backwashing pump is provided with the backwash tube, is catchmented described in the other end connection of the backwash tube
Pipe, the backwashing system also include the filter tank outlet valve being arranged on the outlet pipe of filter tank, and backwashing system is also described including being arranged on
Contact the blow-down pipe of mixed zone lower end；
Slag Scraping Device is provided with above the Disengagement zone, the side of the Slag Scraping Device is correspondingly arranged on slag chute, and the slag chute is close
The side of the Slag Scraping Device, which is provided with, leads slag weir；
The filter material layer includes filtrate, filter cap and filter plate；
The membrane filtration groove is connected with reflux pump by return line, and the return line connects the reaction zone, the reflux pump
Can be by the remaining sewage discharge of the membrane filtration groove to the reaction zone；
Dosing mouth is provided with the membrane module outlet pipe, the sidepiece of the pond body is provided with grug feeding jar, and the grug feeding jar passes through pipe
Road, dosing pump are connected with the dosing mouth.
2. air-float filtration membrane filtration processing unit according to claim 1, it is characterised in that：The air dissolving system includes passing through
The dissolving that fresh water pipeline is connected with the Rinsing Area, air dissolved pump is additionally provided with the fresh water pipeline, and the dissolving connects
Gas dissolving pipe road is connected to, the one end in the Gas dissolving pipe road is communicated in the contact mixed zone, also set up on the fresh water pipeline clear
Penstock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510855429.3A CN105347569B (en) | 2015-11-30 | 2015-11-30 | Air-float filtration membrane filtration processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510855429.3A CN105347569B (en) | 2015-11-30 | 2015-11-30 | Air-float filtration membrane filtration processing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105347569A CN105347569A (en) | 2016-02-24 |
| CN105347569B true CN105347569B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510855429.3A Active CN105347569B (en) | 2015-11-30 | 2015-11-30 | Air-float filtration membrane filtration processing unit |
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| CN (1) | CN105347569B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107673505B (en) * | 2017-10-17 | 2020-09-08 | 国家海洋局天津海水淡化与综合利用研究所 | Air-flotation built-in ceramic membrane water purification system and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201400615Y (en) * | 2009-04-22 | 2010-02-10 | 北京新金应利科技发展有限公司 | Treatment system of wastewater from circulating water |
| CN202529925U (en) * | 2012-02-20 | 2012-11-14 | 无锡工源机械有限公司 | Air-flotation filtering integrated processing device |
| CN202658024U (en) * | 2012-04-13 | 2013-01-09 | 毛允明 | Modularized water supply device with flocculation-floatation sand filtration and ultra-filtration membrane assembly |
| CN102976555A (en) * | 2012-11-30 | 2013-03-20 | 徐州工程学院 | Integrated air floatation-membrane bioreactor |
| CN205258188U (en) * | 2015-11-30 | 2016-05-25 | 无锡工源机械有限公司 | Air supporting filtration membrane strains processing apparatus |
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| CN105347569A (en) | 2016-02-24 |
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Address after: No. 55 Xigang West Road, Xibei Town, Wuxi City, Jiangsu Province Patentee after: Wuxi Gongyuan Environmental Science and Technology Co., Ltd. Address before: No. 55 Xigang West Road, Xibei Town, Wuxi City, Jiangsu Province Patentee before: Wuxi Gongyuan Machinery Co.,Ltd. |