CN203269626U - Membrane treatment device for industrial wastewater treatment - Google Patents

Membrane treatment device for industrial wastewater treatment Download PDF

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Publication number
CN203269626U
CN203269626U CN 201320160337 CN201320160337U CN203269626U CN 203269626 U CN203269626 U CN 203269626U CN 201320160337 CN201320160337 CN 201320160337 CN 201320160337 U CN201320160337 U CN 201320160337U CN 203269626 U CN203269626 U CN 203269626U
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China
Prior art keywords
membrane
membrane module
water
valve
outlet
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Expired - Fee Related
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CN 201320160337
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Chinese (zh)
Inventor
郑彭生
周如禄
郭中权
毛维东
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CHINA COAL TECHNOLOGY & ENGINEERING GROUP HANGZHOU ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE CO., LTD.
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HANGZHOU ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE COAL SCIENCE RESEARCH INSTITUTE
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Priority to CN 201320160337 priority Critical patent/CN203269626U/en
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Publication of CN203269626U publication Critical patent/CN203269626U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a water treatment device, particularly a membrane treatment device for industrial wastewater treatment. The membrane treatment device for industrial wastewater treatment comprises a membrane separation system, a back-purge system and an automatic control system, wherein the membrane separation system is composed of a water inlet pump and a membrane element; the water inlet pump is connected with the membrane element through a pipeline; the membrane element is provided with a water inlet and a filtrate outlet; the filtrate outlet is connected with a water outlet pipeline; the water outlet pipeline is provided with a water outlet valve; the back-purge system is composed of a water storage tank and an air compressor; the water storage tank is connected with the air compressor through a hose; the hose is provided with an air inlet valve; the water storage tank is also provided with an overflow pipeline; the overflow pipeline is provided with an overflow valve; and the bottom of the water storage tank is connected with the water outlet pipeline. The membrane treatment device for industrial wastewater treatment has the advantages of simple structure, low operating cost and high water yield, and is convenient for maintenance and management.

Description

A kind of Industrial Wastewater Treatment membrane treatment appts
Technical field
The utility model relates to a kind of water treatment device, particularly a kind of Industrial Wastewater Treatment membrane treatment appts.
Background technology
Membrane technology is the effective means of purification of water quality and purifying, and it can remove suspended substance, bacterium, toxic metal material, organism in water, even solvability salt etc.Membrane technique comprises micro-filtration, ultrafiltration, nanofiltration, reverse osmosis etc., and they can combine with traditional materialization, biologic treating technique, form best combination process, and membrane technique can be brought into play central role therein.
Along with the raising of film properties and the reduction of film price, membrane technique has been widely used in a plurality of fields, as the desalination of seawater, drink water purification, the recycling of trade effluent and sewage, the even field such as feed separation.Yet traditional membrane treatment appts complex structure requires highly to support equipment, facility, and operation, maintenance cost are high, and this has limited the application of membrane technology in water treatment field to a great extent.In addition, membrane treatment appts is in the process of long-term operation, filter membrane easily stops up or fouling, need to carry out effectively and timely back flushing, and conventional purging method is difficult to satisfy long-time requirement of producing water continuously in the membrane sepn process, existing on-line cleaning generally needs again to add backwash pump and large-scale water tank, and the back flushing cost is high, and equipment complexity and floor space are larger.
The Chinese patent application of application number 201080015353.9, applying date 2010-04-07 provides a kind of water treatment system, for example for the treatment of the buck from household equipment, described water treatment system comprises water treatment device, described water treatment device comprises filtration medium, and water can remove degranulation and biomass by described filtration medium.Described device has lid, is provided with flusher on it.Described flusher for example can receive processed water along pipeline, wherein can be added with anti-foam reagent.Move described flusher and be used for eliminating all foams that described water treatment device produces.The water treatment device that this patent application provides is applicable to the waste water that family produces, and uses for the recycling aspect of trade effluent and sewage to have certain drawback.
The utility model content
The utility model has been invented a kind of Industrial Wastewater Treatment membrane treatment appts for the deficiency of existing membrane treatment appts, not only simple in structure, running cost is low, maintenance management is convenient, and water production rate is high.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of Industrial Wastewater Treatment membrane treatment appts, comprise film separating system, back-purge system and automatic control system, described film separating system is comprised of intake pump and membrane module, intake pump is connected by pipeline with membrane module, the outlet of water-in and filtered solution is set on membrane module, the filtered solution outlet is connected with outlet pipeline, and outlet pipeline is provided with outlet valve;
Described back-purge system is comprised of water tank and air compressor, be connected by flexible pipe between water tank and air compressor, be provided with intake valve on this section flexible pipe, also be provided with overflow passage on water tank, surplus valve is installed on overflow passage, and water tank bottom is connected with outlet pipeline;
Described automatic control system comprises for the control computer of controlling diaphragm separation system and back-purge system periodic duty and PLC housing, control the computer sending controling instruction to the PLC housing, PLC housing steering routine, control respectively the start-stop of outlet valve, intake valve, surplus valve and intake pump, PLC housing collecting device running status simultaneously is sent to the control computer.
During the membrane treatment appts entry into service, intake pump is sent into membrane module after waste water is pressurizeed, and filtered solution is discharged by outlet valve, and surplus valve is opened simultaneously, and after filtered solution is full of water tank, surplus valve cuts out, and waste water is discharged by wash water valve.After operation for some time, the filter membrane contamination and plugging, control computer and send instruction to the PLC housing, the PLC housing is controlled inlet open, outlet valve is closed, filtered solution in water tank enters membrane module under compressed-air actuated promotion, filter membrane is carried out gas, water associating back flushing, and waste water is discharged by wash water valve; Rinse complete after, intake valve cuts out, outlet valve, surplus valve are opened, surplus valve cuts out after water tank is full of filtered solution, system reenters the normal filtration state.
Be provided with water intaking valve on the connecting pipeline of intake pump and membrane module, a side of membrane module arranges sewage draining exit, and sewage draining exit is connected with wash water valve.
As preferably, described membrane module is to be in series by the identical membrane module unit of several structures, and the specification of each membrane module unit is identical, is arranged in the water tank surrounding, and each membrane module unit all has water-in, sewage draining exit and filtered solution outlet.During more than 1, a rear membrane module water-in is connected with last membrane module sewage draining exit when membrane module unit quantity, by to the waste water multiple times of filtration, improves water production rate, reduces wastewater discharge.
As preferably, described membrane module is to be in series by the identical membrane module unit of several structures.Further preferably, described membrane module unit is 2, is respectively structure first membrane module identical with specification and the second membrane module, and the first membrane module and the second membrane module are the symmetric form layout centered by the water tank central axis.The number of membrane module unit is generally 2~8.
As preferably, described membrane module is the pressurized vessel that comprises the membrane sepn element, and described membrane sepn element is microfiltration membrane or ultra-filtration membrane, and structure formation can be the type that hollow-fibre membrane, tubular membrane, ceramic membrane or alloy mould etc. can back flushinges.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model is simple in structure, and running cost is low.
(2) the utility model level of automation is high, is easy to safeguard convenient operation and management.
(3) the utility model by the multiple times of filtration to water inlet, improves water production rate, reduces wastewater discharge.
(4) the utility model adopts water tank to store a certain amount of filtered solution for back flushing, adopt air compressor that backwash pressure is provided, available pressurized air carries out air purge after washing, and water, the depressed backwash mode that closes can keep stable membrane flux in water saving.
(5) the utility model utilizes automation control system to guarantee complete online periodicity back flushing, makes product water and backwash blocked operation simpler, and system's operation is more smooth.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is another kind of structural representation of the present utility model.
In figure: 1, intake pump, 2, membrane module, 21, water-in, 22, filtered solution outlet, 23, sewage draining exit, 3, water tank, 4, air compressor, 5, control computer, 6, the PLC housing, 61 outlet valves, 62, surplus valve, 63, intake valve, 7, outlet pipeline, 201, the first membrane module, the 202, second membrane module.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.Should be appreciated that enforcement of the present utility model is not limited to the following examples, any pro forma accommodation and/or change that the utility model is made all will fall into the utility model protection domain.
Embodiment 1:
A kind of Industrial Wastewater Treatment with membrane treatment appts as shown in Figure 1, this device comprises film separating system, back-purge system and automatic control system,
Film separating system is comprised of intake pump 1 and membrane module 2, intake pump is connected by pipeline with membrane module, be provided with water intaking valve 11 on the connecting pipeline of intake pump and membrane module, the membrane module top arranges water-in 21, and the bottom arranges filtered solution outlet 22, and the filtered solution outlet is connected with outlet pipeline 7, outlet pipeline 7 is provided with outlet valve 61, one side of membrane module arranges sewage draining exit 23, and the sewage draining exit pipeline is connected with wash water valve 12, and wash water valve 12 is manually controlled;
Back-purge system is comprised of water tank 3 and air compressor 4, be connected by flexible pipe between water tank and air compressor, be provided with intake valve 63 on this section flexible pipe, also be provided with overflow passage on water tank, surplus valve 62 is installed on overflow passage, and water tank bottom is connected with outlet pipeline; Overflow passage is used for discharging unnecessary filtered solution.
Automatic control system comprises for the control computer 5 of controlling diaphragm separation system and back-purge system periodic duty and PLC housing 6, control the computer sending controling instruction to the PLC housing, PLC housing steering routine, control respectively the start-stop of outlet valve 61, intake valve 63, surplus valve 62 and intake pump 1, PL C housing collecting device running status simultaneously is sent to the control computer.
During the membrane treatment appts entry into service, intake pump 1 is sent into membrane module 2 after waste water is pressurizeed, and filtered solution is discharged by outlet valve 61, and surplus valve 62 is opened simultaneously, and after filtered solution is full of water tank, surplus valve 62 cuts out, and waste water is discharged by wash water valve 12.After operation for some time, the filter membrane contamination and plugging, control computer and send instruction to the PLC housing, the PLC housing is controlled intake valve 63 and is opened, outlet valve 61 is closed, filtered solution in water tank enters membrane module under compressed-air actuated promotion, filter membrane is carried out gas, water associating back flushing, and waste water is discharged by wash water valve 12; Rinse complete after, intake valve 63 cuts out, outlet valve 61, surplus valve 62 are opened, surplus valve 62 cuts out after water tank is full of filtered solution, system reenters the normal filtration state.
Embodiment 2:
A kind of Industrial Wastewater Treatment with membrane treatment appts as shown in Figure 2, concrete structure is with embodiment 1, difference is: this film separating system is comprised of intake pump 1 and two membrane module unit, two membrane module unit are respectively the first membrane module 201 and the second membrane module 202 in order, two membrane module specifications are all identical and identical with membrane module structure in embodiment 1, be the symmetric form layout centered by the water tank central axis, have separately water-in, sewage draining exit, filtered solution outlet; The water-in of the first membrane module 201 connects intake pump 1, and sewage draining exit 23 connects 21, two membrane module filtered solution outlets 22 of the second membrane module water-in and connects by pipeline, and the filtered solution after converging is discharged membrane treatment appts or flowed into water tank.
The working process of the utility model embodiment is as follows:
During the membrane treatment appts entry into service, at first intake pump 1 sends into the first membrane module 201 after waste water is pressurizeed, the waste water that sees through filter membrane enters the second membrane module 202 by the first membrane module sewage draining exit, and the waste water that does not see through the second membrane module filter membrane is by wash water valve 12 discharge systems; Meanwhile, the filtered solution that two membrane module unit are discharged is discharged by outlet valve 61 after the pooling, and surplus valve 62 is opened, and after filtered solution is full of water tank, surplus valve 62 cuts out.After operation for some time, the filter membrane contamination and plugging is controlled computer instruction PLC housing control intake valve 63 and is opened, outlet valve 61 is closed, filtered solution in water tank enters membrane module under compressed-air actuated promotion, filter membrane is carried out gas, water associating back flushing, and waste water is discharged by wash water valve 12; Rinse complete after, intake valve 63 cuts out, outlet valve 61, surplus valve 62 are opened, surplus valve 62 cuts out after water tank is full of filtered solution, system reenters the normal filtration state.
In the operation process of membrane treatment appts, by the periodic duty of automatic controlling system equipment, producing water time and backwashing time can set up on their own according to actual needs.
Above-described embodiment is a kind of better scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.

Claims (5)

1. Industrial Wastewater Treatment membrane treatment appts is characterized in that: comprise film separating system, back-purge system and automatic control system,
Described film separating system is comprised of intake pump (1) and membrane module (2), and intake pump is connected by pipeline with membrane module, and the outlet of water-in and filtered solution is set on membrane module, and the filtered solution outlet is connected with outlet pipeline, and outlet pipeline is provided with outlet valve;
Described back-purge system is comprised of water tank (3) and air compressor (4), be connected by flexible pipe between water tank and air compressor, be provided with intake valve on this section flexible pipe, also be provided with overflow passage on water tank, surplus valve is installed on overflow passage, and water tank bottom is connected with outlet pipeline;
Described automatic control system comprises for the control computer (5) of controlling diaphragm separation system and back-purge system periodic duty and PLC housing (6), control the computer sending controling instruction to the PLC housing, PLC housing steering routine, control respectively the start-stop of outlet valve, intake valve, surplus valve and intake pump, PLC housing collecting device running status simultaneously is sent to the control computer.
2. Industrial Wastewater Treatment membrane treatment appts according to claim 1, it is characterized in that: be provided with water intaking valve on the connecting pipeline of intake pump and membrane module, a side of membrane module arranges sewage draining exit, and sewage draining exit is connected with wash water valve.
3. Industrial Wastewater Treatment membrane treatment appts according to claim 2, it is characterized in that: described membrane module is to be in series by the identical membrane module unit of several structures, the specification of each membrane module unit is identical, be arranged in the water tank surrounding, each membrane module unit all has water-in, sewage draining exit and filtered solution outlet.
4. Industrial Wastewater Treatment membrane treatment appts according to claim 3, it is characterized in that: described membrane module unit is 2, be respectively structure first membrane module identical with specification and the second membrane module, the first membrane module and the second membrane module are the symmetric form layout centered by the water tank central axis.
5. according to claim 1 and 2 or 3 or 4 described Industrial Wastewater Treatment membrane treatment appts, it is characterized in that: described membrane module is the pressurized vessel that comprises the membrane sepn element, described membrane sepn element is microfiltration membrane or ultra-filtration membrane.
CN 201320160337 2013-04-02 2013-04-02 Membrane treatment device for industrial wastewater treatment Expired - Fee Related CN203269626U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320160337 CN203269626U (en) 2013-04-02 2013-04-02 Membrane treatment device for industrial wastewater treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320160337 CN203269626U (en) 2013-04-02 2013-04-02 Membrane treatment device for industrial wastewater treatment

Publications (1)

Publication Number Publication Date
CN203269626U true CN203269626U (en) 2013-11-06

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103787463A (en) * 2014-03-07 2014-05-14 大连朗旭环境科技有限公司 Membrane method water treatment system with compressed air as driving energy
CN107278165A (en) * 2015-02-18 2017-10-20 博尔和柯基滤清器有限责任公司 It is used in particular for the filtration system of such as lubricating oil of marine engine shipborne equipment for filtering
CN108413665A (en) * 2018-04-26 2018-08-17 东南大学 The separator of incoagulable gas and ammonia in ammonia absorption type refrigeration system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103787463A (en) * 2014-03-07 2014-05-14 大连朗旭环境科技有限公司 Membrane method water treatment system with compressed air as driving energy
CN103787463B (en) * 2014-03-07 2015-08-05 大连朗旭环境科技有限公司 A kind of pressurized air that uses is as the membrane method water treatment system of driving-energy
CN107278165A (en) * 2015-02-18 2017-10-20 博尔和柯基滤清器有限责任公司 It is used in particular for the filtration system of such as lubricating oil of marine engine shipborne equipment for filtering
CN108413665A (en) * 2018-04-26 2018-08-17 东南大学 The separator of incoagulable gas and ammonia in ammonia absorption type refrigeration system

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C56 Change in the name or address of the patentee

Owner name: COAL TECHNOLOGY GROUP HANGZHOU ENVIRONMENTAL PROTE

Free format text: FORMER NAME: HANGZHOU ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE OF COAL SCIENCE RESEARCH INSTITUTE

CP01 Change in the name or title of a patent holder

Address after: 311201 Hangzhou, Xiaoshan District, Zhejiang Province Road No. 288 show

Patentee after: CHINA COAL TECHNOLOGY & ENGINEERING GROUP HANGZHOU ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE CO., LTD.

Address before: 311201 Hangzhou, Xiaoshan District, Zhejiang Province Road No. 288 show

Patentee before: Hangzhou Environmental Protection Research Institute, Coal Science Research Institute

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: 20131106

Termination date: 20180402