CN102764591A - Membrane separation device with cleaning function and cleaning method thereof - Google Patents
Membrane separation device with cleaning function and cleaning method thereof Download PDFInfo
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- CN102764591A CN102764591A CN2012102704185A CN201210270418A CN102764591A CN 102764591 A CN102764591 A CN 102764591A CN 2012102704185 A CN2012102704185 A CN 2012102704185A CN 201210270418 A CN201210270418 A CN 201210270418A CN 102764591 A CN102764591 A CN 102764591A
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Abstract
A membrane separation device with a cleaning function comprises a membrane separation unit, a water inlet pipeline and a water outlet pipeline connected with the membrane separation unit and a water suction pump communicated with the water outlet pipeline. The membrane separation unit comprises a first chamber communicated with the water inlet pipeline and a second chamber communicated with the water outlet pipeline, and a plurality of globular hairbrushes are arranged in the membrane separation unit. According to the membrane separation device with the cleaning function, the plurality of the globular hairbrushes are arranged between adjacent porous membranes in the second chamber, cleaning liquid is added into the second chamber to be reacted with the outer walls of the porous membranes by controlling a jet flow pipeline, and gas is transmitted into the second chamber by controlling a gas transmission pipeline, the plurality of the globular hairbrushes collide mutually to slightly brush over the outer walls of the porous membranes under the action of the gas; accordingly, the porous membranes are cleaned and prevented from plugging; a pressure detecting meter used for detecting pressure of the outer walls of the porous membranes is arranged in the second chamber, the cleaning process is performed when the pressure achieves a certain value.
Description
Technical field
The present invention relates to handle the membrane separation device of industrial wastewater, particularly a kind of membrane separation device and cleaning method thereof with cleaning function.
Background technology
China is the country of a water resources shortage, and water resource accounts for total amount 2500m per capita
2, be 1/5 of world's per capita share, along with socioeconomic fast development, the contradiction of lack of water is serious day by day.And China's water consumption quota is higher, and ten thousand yuan of industrial added value water withdrawals are 5 to 10 times of developed country, and the industry water reclamation rate is lower than 30%, and water treatment and water use efficiency technology all fail to reach the level of medium-developed country.Dyeing is " can water consumption consumption rich and influential family ", accounts for 35% of industrial wastewater, and 90% drain as waste water, has that discharge capacity is big, pollutant component is complicated, the water yield changes fast, characteristics such as biodegradability is poor, colourity height.Therefore, dyeing waste water is carried out advanced treating and is back to use production workshop section, can practice thrift a large amount of fresh water consumptions on the one hand, also directly reduced the discharge capacity of contaminated wastewater simultaneously.
At present, the advanced treating for dyeing waste water mainly contains chemical method, physics method, bioanalysis three major types method.It is a kind of of physics method that film separates.Use the advantage of membrane separating method to be, can obtain the high reliability of water treatment, this is because of the purity that can satisfy the water that requires through the size of regulating fenestra easily and stably.But when adopting filtering film component that the fluid that is suspended with the pollutant that comprises solid constituent is filtered, filter membrane is easy to because pollutant and contaminated causes the water penetration of filter membrane to reduce thus.Therefore, must regularly clear the pollution off from it to clean this filter membrane.Existing filter membrane cleaning method is to adopt filter membrane is pulled down, and cleans one by one again, and troublesome poeration, cleaning efficiency are low.
Summary of the invention
Main purpose of the present invention be to overcome membrane separation device cleaning method in the prior art be adopt with filter membrane pull down, cleaning one by one, troublesome poeration, shortcoming that cleaning efficiency is low, propose a kind ofly to need not to dismantle, simple to operate, cleaning efficiency is high, cleaning performance is good membrane separation device with cleaning function and cleaning method thereof.
The present invention adopts following technical scheme:
A kind of membrane separation device with cleaning function; Comprise membrane separation device, the inlet channel that links to each other with membrane separation device, outlet conduit; The suction pump that is communicated with outlet conduit; Membrane separation device comprises first chamber that is communicated with inlet channel and second chamber that is communicated with outlet conduit, it is characterized in that: be provided with some spherical hairbrush in said first chamber.
Further; Said membrane separation device comprises first chamber that is communicated with said outlet conduit; Be arranged at second chamber that is communicated with said inlet channel in this first chamber, be arranged in this second chamber and tubulose perforated membrane that two ends are communicated with said first chamber respectively and is communicated with the drainage pipeline that is used for discharge cleaning waste liquid when cleaning with said second chamber, it is interior between the adjacent tubular perforated membrane that said spherical hairbrush is arranged at said second chamber.
Further, also include and said inlet channel be connected jet pipeline that is used for dosing when cleaning and the dosing tank that links to each other with this jet pipeline.
Further, also comprise the gas pipeline and the compressed air source unit that are used for the past second chamber gas transmission when cleaning that is communicated with said inlet channel.
Further, also comprise pipe blow-through and the recoil pump that is communicated with said outlet conduit.
Further, also include the pressure detecting meter that is arranged at the said tubulose perforated membrane outer wall pressure of detection in second chamber.
Adopt above-mentioned arbitrary cleaning method, it is characterized in that: comprise the steps with membrane separation device of cleaning function
(1) adding cleaning fluid in the membrane separation device makes the material that covers with the membrane separation device outer wall react with cleaning fluid;
(2), make spherical hairbrush under the effect of gas, collide and gently brush tubulose perforated membrane outer wall toward the membrane separation device body of supplying gas;
(3) in membrane separation device, carry rinse water, the sewage after rinse water will be cleaned is taken away and is discharged.
Further, in step (1), open jet pipeline and inlet channel and make dosing tank in second chamber, add cleaning fluid toward membrane separation device.
Further, in step (2), close jet pipeline and inlet channel, open gas pipeline and make compressed air source unit in membrane separation device second chamber, carry gas.
Further, in step (3), close gas pipeline, opening water discharge pipeline and pipe blow-through make recoil pump work that rinse water is sent into and in membrane separation device first chamber Cleaning Wastewater are taken away and discharged through drainage pipeline.
Can know that by the above-mentioned description of this invention compared with prior art, the present invention has following beneficial effect:
Membrane separation device with cleaning function of the present invention is provided with a plurality of spherical hairbrush between the adjacent tubular perforated membrane in second chamber; Adding cleaning fluid in second chamber through the control jet pipeline reacts, controls gas pipeline with the material that is covered in tubulose perforated membrane outer wall and in second chamber, carry gas; Spherical hairbrush runs foul of each other and gently brushes tubulose perforated membrane outer wall under the effect of gas, thereby realization is cleaned the tubulose perforated membrane, prevented that the tubulose perforated membrane from stopping up; The pressure detecting meter is set in second chamber, is used to detect the pressure of tubulose perforated membrane outer wall, when arriving certain value, carry out cleaning process.The utility model adopts the ceramic tubular perforated membrane, has that chemical stability is good, acidproof, alkaline-resisting, organic solvent-resistant; But the big direction flushing of mechanical strength; Anti-microbe ability is strong, and is high temperature resistant; Pore-size distribution is narrow, separative efficiency is high.
Description of drawings
Fig. 1 is a syndeton sketch map of the present invention.
The specific embodiment
Below through the specific embodiment the present invention is done further description.
With reference to Fig. 1; A kind of membrane separation device with cleaning function; Can be used as the pre-processing device of printing and dyeing deep purifying; The inlet channel 1 that comprise membrane separation device, links to each other with membrane separation device, outlet conduit 2, the pipe blow-through 3 that is communicated with outlet conduit 2 and suction pump 4 and backwashing pump 5 are provided with some spherical hairbrush 6 in the membrane separation device.Membrane separation device comprises first chamber 11 that is communicated with outlet conduit; Be arranged at second chamber 12 that is communicated with inlet channel 1 in this first chamber 11, be arranged in this second chamber 12 and tubulose perforated membrane 13 that two ends are communicated with first chamber 11 respectively and be communicated with the drainage pipeline 14 that is used for cleaning waste liquid when cleaning with second chamber 12; It is interior between adjacent tubular perforated membrane 13 that spherical hairbrush 6 is arranged at second chamber 12; Also comprise the cistern 8 that is communicated with outlet conduit 2 and pipe blow-through 3, recoil pump 5 inputs link to each other with this cistern 8.Also include and inlet channel 1 be connected jet pipeline 15 that is used for dosing when cleaning and the dosing tank 16 that links to each other with this jet pipeline 15 and the gas pipeline that is used for past second chamber, 12 gas transmissions when cleaning 17 and the compressed air source unit 18 that are communicated with inlet channel 1.Wherein all be provided with corresponding control valve on inlet channel 1, outlet conduit 2, pipe blow-through 3, drainage pipeline 14, jet pipeline 15 and the gas pipeline 17, control the break-make of corresponding pipeline through control valve.Add cleaning fluid and the material that is covered in tubulose perforated membrane 13 outer walls in second chamber 12 through control jet pipeline 15 and react, control gas pipeline 17 conveying gases in second chambers 12; Spherical hairbrush 6 runs foul of each other and gently brushes tubulose perforated membrane 13 outer walls under the effect of gas, thereby realization is cleaned the tubulose perforated membrane, prevented that the tubulose perforated membrane from stopping up.
The utility model is provided with the pressure detecting meter 7 that can detect tubulose perforated membrane 13 outer wall pressure in second chamber, for example, and in practical application; Under the normal operating conditions; The detected force value of this pressure detecting meter is approximately 3 kilograms, if surpass 4 kilograms, representes that then tubulose perforated membrane outer wall stops up arrival to a certain degree; Influence separative efficiency and separating effect that film separates greatly, need carry out cleaning operation this moment.
The membrane separation device with cleaning function of the utility model can select that chemical stability is good, acidproof, alkaline-resisting, organic solvent-resistant; But the big direction flushing of mechanical strength; Anti-microbe ability is strong, and is high temperature resistant; The ceramic tubular perforated membrane that pore-size distribution is narrow, separative efficiency is high can come out particle diameter in the separating substances such as colloid, asbestos and pigment of 0.1 μ m to 0.05 μ m.Concrete cleaning method is following:
(1) adding cleaning fluid in the membrane separation device makes the material that covers with the membrane separation device outer wall react with cleaning fluid;
(2), make spherical hairbrush under the effect of gas, collide and gently brush tubulose perforated membrane outer wall toward the membrane separation device body of supplying gas;
(3) in membrane separation device, carry rinse water, the sewage after rinse water will be cleaned is taken away and is discharged.
In step (1), open jet pipeline and inlet channel and make dosing tank in second chamber, add cleaning fluid toward membrane separation device.
In step (2), close jet pipeline and inlet channel, open gas pipeline and make compressed air source unit in membrane separation device second chamber, carry gas.
In step (3), close gas pipeline, opening water discharge pipeline and pipe blow-through make recoil pump work that rinse water is sent into and in membrane separation device first chamber Cleaning Wastewater are taken away and discharged through drainage pipeline.
Above-mentionedly be merely a specific embodiment of the present invention, but design concept of the present invention is not limited thereto, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (10)
1. membrane separation device with cleaning function; Comprise membrane separation device, the inlet channel that links to each other with membrane separation device, outlet conduit; The suction pump that is communicated with outlet conduit; Membrane separation device comprises first chamber that is communicated with inlet channel and second chamber that is communicated with outlet conduit, it is characterized in that: be provided with some spherical hairbrush in said first chamber.
2. a kind of membrane separation device as claimed in claim 1 with cleaning function; It is characterized in that: said membrane separation device comprises first chamber that is communicated with said outlet conduit; Be arranged at second chamber that is communicated with said inlet channel in this first chamber, be arranged in this second chamber and tubulose perforated membrane that two ends are communicated with said first chamber respectively and is communicated with the drainage pipeline that is used for discharge cleaning waste liquid when cleaning with said second chamber, it is interior between the adjacent tubular perforated membrane that said spherical hairbrush is arranged at said second chamber.
3. according to claim 1 or claim 2 a kind of membrane separation device with cleaning function is characterized in that: also include and said inlet channel be connected jet pipeline that is used for dosing when cleaning and the dosing tank that links to each other with this jet pipeline.
4. a kind of membrane separation device with cleaning function as claimed in claim 3 is characterized in that: also comprise the gas pipeline and the compressed air source unit that are used for the past second chamber gas transmission when cleaning that are communicated with said inlet channel.
5. a kind of membrane separation device with cleaning function as claimed in claim 4 is characterized in that: also comprise the pipe blow-through and the recoil pump that are communicated with said outlet conduit.
6. like claim 4 or 5 described a kind of membrane separation devices, it is characterized in that: also include and be arranged at the pressure detecting meter that detects said tubulose perforated membrane outer wall pressure in second chamber with cleaning function.
7. the cleaning method of a membrane separation device is characterized in that: comprise the steps
(1) adding cleaning fluid in the membrane separation device makes the material that covers with the membrane separation device outer wall react with cleaning fluid;
(2), make spherical hairbrush under the effect of gas, collide and gently brush tubulose perforated membrane outer wall toward the membrane separation device body of supplying gas;
(3) in membrane separation device, carry rinse water, the sewage after rinse water will be cleaned is taken away and is discharged.
8. the cleaning method of a kind of membrane separation device as claimed in claim 7 is characterized in that: in step (1), open jet pipeline and inlet channel and make dosing tank in second chamber, add cleaning fluid toward membrane separation device.
9. like the cleaning method of claim 7 or 8 described a kind of membrane separation devices, it is characterized in that: in step (2), close jet pipeline and inlet channel, open gas pipeline and make compressed air source unit in membrane separation device second chamber, carry gas.
10. the cleaning method of a kind of membrane separation device as claimed in claim 9; It is characterized in that: in step (3); Close gas pipeline; Opening water discharge pipeline and pipe blow-through make recoil pump work that rinse water is sent into and in membrane separation device first chamber Cleaning Wastewater are taken away and discharged through drainage pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102704185A CN102764591A (en) | 2012-08-01 | 2012-08-01 | Membrane separation device with cleaning function and cleaning method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102704185A CN102764591A (en) | 2012-08-01 | 2012-08-01 | Membrane separation device with cleaning function and cleaning method thereof |
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| CN102764591A true CN102764591A (en) | 2012-11-07 |
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| CN2012102704185A Pending CN102764591A (en) | 2012-08-01 | 2012-08-01 | Membrane separation device with cleaning function and cleaning method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445521A (en) * | 2014-11-04 | 2015-03-25 | 常州大学 | Method and device for retarding membrane pollution in membrane water treatment |
| CN106582296A (en) * | 2016-12-30 | 2017-04-26 | 四川世纪景程环保科技有限公司 | Automatic washing and automatic repairing device for filtering membrane and control method thereof |
| CN108786461A (en) * | 2018-06-12 | 2018-11-13 | 合肥丰洁生物科技有限公司 | A kind of membrane separation plant with cleaning function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11300350A (en) * | 1998-04-23 | 1999-11-02 | Kantou Regional Constr Bureau Ministry Of Constr | Membrane treating device and river water cleaning system |
| EP1034835A1 (en) * | 1999-03-05 | 2000-09-13 | Biothane Systems International B.V. | Method of cleaning solid/liquid separation element and solid/liquid separation apparatus |
| CN101119790A (en) * | 2005-02-25 | 2008-02-06 | 日本碍子株式会社 | Membrane abstersion method in membrane separation activated sludge process |
| CN202715363U (en) * | 2012-08-01 | 2013-02-06 | 威洁（石狮）中水回用技术有限公司 | Membrane separation device with cleaning function |
-
2012
- 2012-08-01 CN CN2012102704185A patent/CN102764591A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11300350A (en) * | 1998-04-23 | 1999-11-02 | Kantou Regional Constr Bureau Ministry Of Constr | Membrane treating device and river water cleaning system |
| EP1034835A1 (en) * | 1999-03-05 | 2000-09-13 | Biothane Systems International B.V. | Method of cleaning solid/liquid separation element and solid/liquid separation apparatus |
| CN101119790A (en) * | 2005-02-25 | 2008-02-06 | 日本碍子株式会社 | Membrane abstersion method in membrane separation activated sludge process |
| CN202715363U (en) * | 2012-08-01 | 2013-02-06 | 威洁（石狮）中水回用技术有限公司 | Membrane separation device with cleaning function |
Non-Patent Citations (1)
| Title |
|---|
| 邵嘉慧，何义亮，顾国维: "《膜生物反应器——在污水处理中的研究和应用（第二版）》", 31 May 2012 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445521A (en) * | 2014-11-04 | 2015-03-25 | 常州大学 | Method and device for retarding membrane pollution in membrane water treatment |
| CN106582296A (en) * | 2016-12-30 | 2017-04-26 | 四川世纪景程环保科技有限公司 | Automatic washing and automatic repairing device for filtering membrane and control method thereof |
| CN106582296B (en) * | 2016-12-30 | 2019-05-28 | 四川世纪景程环保科技有限公司 | Filter membrane cleans automatically and automatic repariring equipment and its control method |
| CN108786461A (en) * | 2018-06-12 | 2018-11-13 | 合肥丰洁生物科技有限公司 | A kind of membrane separation plant with cleaning function |
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Application publication date: 20121107 |