CN104030543A - Membrane filter plates used for electro-osmosed sludge, membrane filter press and filter press - Google Patents
Membrane filter plates used for electro-osmosed sludge, membrane filter press and filter press Download PDFInfo
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- CN104030543A CN104030543A CN201410248855.6A CN201410248855A CN104030543A CN 104030543 A CN104030543 A CN 104030543A CN 201410248855 A CN201410248855 A CN 201410248855A CN 104030543 A CN104030543 A CN 104030543A
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Abstract
The invention discloses membrane filter plates used for electro-osmosed sludge, a membrane filter press and a filter press. Each membrane filter plate is also provided with a relatively sealed membrane cavity formed by two membrane plates, wherein the membrane cavities are communicated with pressing water pipes; solid plates are arranged in the middle of the membrane cavities; filter cloths are arranged on the two sides of the membrane filter plates; cathode conductive filter screens are arranged on the backs of the filter cloths as liners and are connected with a cathode copper bar; grids of the cathode conductive filter screens are fit with sunk areas of the membrane filter plates; units are formed by the two parallel cathode membrane filter plates and form a relatively sealed sludge storage cavity; the sludge storage cavity is separated into two independent spaces by an anode plate connected with an anode copper bar. A sludge electro-osmotic dewatering device has a simple structure, operates reliably, can achieve reduction of the moisture content of the sludge below 50%, and improves the dewatering efficiency by 2-3 times compared with the membrane filter press.
Description
Technical field
The present invention relates to sludge disposal equipment unit field, be specifically related to osmosis sludge high-pressure barrier film filter-pressing device.
Background technology
In domestic sludge, contain large quantity of moisture, organic and inorganic pollutent, unprocessed meeting causes new pollution.Particularly very outstanding in the higher regional sludge disposal problem of the level of urbanization.And in existing sludge disposal technology, sludge drying technique is that the most very urgent needs are dealt with problems at present.
" household refuse landfill sites pollution control criterion " GB/T23480-2009 clearly regulation sanitary sewage disposal factory mud after treatment water ratio be less than 60%, side can enter household refuse landfill sites landfill dispose.
Sludge disposal enterprise, for meeting mud subsequent disposal disposal technology (as sanitary landfill, burning, compost) requirement, selects autoclave diaphragm chamber filter press disposing technique one after another at present.Autoclave diaphragm chamber filter press can be reduced to moisture percentage in sewage sludge below standard of landfill 60% water ratio from 80-90%, but must add a large amount of unslaked lime, molysite, and additive accounts for mud butt more than 20%.Therefore do not reach mud decrement object, sludge calorific value also further reduces.
For meeting deeply dehydrating sludge, mummification and even ultimate disposal requirement, reach sludge reduction, innoxious, resource utilization target.The present invention develops osmosis sludge high-pressure diaphragm filter press.Osmosis sludge high-pressure diaphragm filter press adopts electroosmotic dewatering in conjunction with autoclave diaphragm chamber filter press technology, and dewatering efficiency is improved to 2-3 doubly, and after sludge dewatering, water ratio can be down to below 50% from 80%.Owing to not adding medicament, deep dehydration mud cake organic matter does not almost lose, and calorific value is higher, is especially applicable to burning.
Summary of the invention
The invention provides a kind of simple in structure, osmosis sludge high-pressure diaphragm filter press that dehydration rate is high.
Technical scheme of the present invention is: a kind of membrane filter plate for osmosis mud, and comprise filter cloth, enter mud passage and drainage channel,
The center of membrane filter plate is provided with into mud passage and drainage channel;
The two sides of membrane filter plate is provided with inside depressed area;
Membrane filter plate also has the barrier film cavity that is made up of a relative sealing two diaphragm plates, and barrier film cavity and squeezing water pipe are connected; In the middle of barrier film cavity, be provided with solid slab;
The both sides of membrane filter plate are provided with filter cloth,
Negative electrode conduction filter screen lining is connected at the described filter cloth back side and with negative electrode copper bar;
In the negative electrode conduction grid of filter screen and the depressed area of membrane filter plate, adapt.
Wherein to be respectively a negative electrode conduction filter screen being connected with negative electrode copper bar at the filter cloth back side adapt respectively with in the depressed area of described membrane filter plate be connected with anode copper bar positive plate and they lining of membrane filter plate both sides.
For a barrier film press filtration unit for osmosis mud,
Barrier film press filtration unit can and form a storage mud cavity for sealing relatively by two cathode diaphragm filter plates arranged side by side;
Storage mud cavity is divided into two independently spaces by the positive plate that is connected with anode copper bar.
For a barrier film press filtration unit for osmosis mud,
The lining of the membrane filter plate both sides in storage mud cavity is respectively the negative electrode conduction filter screen and the positive plate that is connected with anode copper bar that are connected with negative electrode copper bar at the filter cloth back side.
A kind of osmosis barrier film filter-pressing device, barrier film filter-pressing device is made up of side by side several above-mentioned barrier film press filtration unit.
A pressure filter for above-mentioned osmosis barrier film filter-pressing device,
On the mud conveying pipeline communicating on mud passage, be also provided with an induction trunk with entering,
Enter mud passage and be provided with check valve, induction trunk also comprises an air compressor machine and a check valve.
Wherein squeeze water channel and also comprise a press pump and a check valve, squeeze water by squeezing water pipe, pumps into the barrier film cavity of membrane filter plate by press pump through squeezing water channel.
The saturating dewatering unit of this sludge electroosmotic is simple in structure, reliable, can realize moisture percentage in sewage sludge and be reduced to below 50%, improves 2-3 times of dewatering efficiency than diaphragm filter press.
Brief description of the drawings
Accompanying drawing 1 is osmosis diaphragm filter press structural representation of the present invention;
Accompanying drawing 2 is the pressure filter local structure enlarged diagram of osmosis diaphragm filter press of the present invention;
Accompanying drawing 3 is the pressure filter local structure enlarged diagram of osmosis diaphragm filter press of the present invention;
The structural representation that accompanying drawing 4 is membrane filter plate of the present invention;
What accompanying drawing 5 was membrane filter plate of the present invention cuts open intention;
The assembling schematic diagram that accompanying drawing 6 is membrane filter plate of the present invention.
Embodiment
For ease of understanding, below in conjunction with the drawings and specific embodiments, the invention will be further described.
Shown in Fig. 1, this dewatering unit comprises: 1-rectifier power source, 2-anode cable, 3-cathode cable, 4 storage mud tanks, 5,6,7-check valve, 8-frame, 9-negative electrode conduction filter screen, 10-anode copper bar, 11-negative electrode copper bar, 12-mud cake, 13-membrane filter plate, 14-positive plate, 15-filter cloth, 16-Hydraulic Station, 17-material conveyor, 18-squeezes water pipe, 19-press pump, 20-air compressor machine, 21-mud spiral pump, 22-mud passage; 23-handle, 24-squeezes water channel, 25-barrier film cavity, 26,26-drainage channel, 27-diaphragm plate, 28-solid slab, 29-cathodic electricity nose.
Fig. 1, osmosis diaphragm filter press structural representation, anode cable 2 and 3 is connected respectively on rectifier power source 1, anode cable 2,3 is connected with anode copper bar 10, negative electrode copper bar 11 respectively simultaneously, mud is sent into the sludge pipe of pressure filter through check valve 5 by 21 pumpings of mud spiral pump through storage mud tank 4, mud passage 22 and sludge pipe communicate.Squeeze water is squeezed pump 19 by squeezing water pipe 18, pumps into membrane filter plate 13 through squeezing water channel 24.
Fig. 2 and 3 the each handles in mid-positive plate 14 left and right, be supported in frame 8, and positive plate 14 is connected on anode copper bar 10, is connected on rectifier power source 1 by anode copper bar 10.Special cathode conduction filter screen 9, is arranged on both sides shown in membrane filter plate 13 Fig. 6, draws cathodic electricity nose, forms combination filter plate, as shown in Figure 6, is connected on negative electrode copper bar 11 by cable, is connected on rectifier power source 1 by negative electrode copper bar.Between two membrane filter plates, by positive plate 14, be divided into 2 homogeneous spaces, while being full of mud, filter cake 12 is by cathode filter screen 9 filter clothes 15, and positive plate 14 clips, and approximately regards resistance as, forms uniform electric field.Mud is charged colloidal particle, and resistance sizes is determined by mud self-conductance rate.
Fig. 4 and Fig. 5 are structural representation and the sectional view of membrane filter plate of the present invention, form a barrier film cavity 25 for sealing relatively by two diaphragm plates 27, and solid slab 28 is placed in the centre of barrier film cavity 25, and barrier film cavity 25 is divided into two parts; Barrier film cavity 25 is connected with squeezing water channel 24, and the centre of membrane filter plate is provided with mud passage 22, membrane filter plate be all around provided with drainage channel 26.
Fig. 6 is membrane filter plate assembling diagram, and wherein the big or small fit of filter cloth 15, positive plate 14 and diaphragm plate 27, is in particular 630 × 630; The depressed area size fit of negative electrode conduction filter screen 9 sizes and diaphragm plate, is specially 530 × 530; The final mud cake size forming is 530 × 530, and thickness is about 35.
Wherein membrane filter plate is prepared from by Reinforced Polypropylene.
Rectifier power source 1 is by pre-set programs, and according to pressure unit feedback signal, time variant voltage electric current is sent in timing.Be loaded into step by step on negative electrode conduction filter screen 9, positive plate 14.Rest on mud cake generation electro-osmotic effects between anode and negative electrode filter cloth 15, in mud cake, be separated in conjunction with water.Plus high-pressure press pump 19 is full of barrier film and carries out mechanical expression, and mud cake die cavity further reduces and reaches more than 50%, reaches dehydration object.
When work, Hydraulic Station 16 is to oil cylinder pumps hydraulic oil, and oil cylinder pushing compresses a series of membrane filter plates 13.In storage mud tank 4,80% water content sludge is by 21 pumpings of mud spiral pump, enter in frame 8 and combine in filter plate 13 by check valve 5, shown in mud cake 12 Fig. 2 of formation, between negative electrode and anode, can be similar to and regard resistance as, resistance sizes is determined by mud specific conductivity.Because mud is charged colloidal particle, under electric field action, mud granule anode is assembled, and moisture is assembled to negative electrode.Continue in advance charging, until pressure reaches 1.2Mpa, close mud spiral pump 21.Then start rectifier power source 1, start press pump 19, osmosis simultaneously and squeezing operation.Squeeze water is squeezed pump 19 by squeezing water pipe 18, pump into membrane filter plate 13, barrier film eardrum, force mud cake 12 die cavities further to diminish, continue under squeezing at autoclave diaphragm machinery, in mud, 60% above water flows out from negative electrode conductive mesh 9 through filter cloth 15, discharges through membrane filter plate 13 water channels, reaches dehydration object.
In the osmosis later stage, autoclave diaphragm machinery stops squeezing, and air compressor machine 20 starts, and high-pressure air enters rapidly feed pipe, blows out major part and enters mud pipeline mud, is pressed onto on anode plate, carries out secondary electroosmotic dewatering.When machine is no longer when water outlet, the inner squeeze water emptying of barrier film, high-pressure air enters rapidly binding face between filter cloth 15 and mud cake 12, blows mud cake, separates by force mud cake and filter cloth.Machine leaves after plate, and mud cake departs from filter cloth 15, anode plate 14 by gravity automatically, falls on material conveyor 17 mud cake outward transport.
The saturating dewatering unit of this sludge electroosmotic is simple in structure, reliable, can realize moisture percentage in sewage sludge and be reduced to below 50%, improves 2-3 times of dewatering efficiency than diaphragm filter press.
As a kind of variation of the present invention, the cathode and anode conduction filter screen lining of barrier film press filtration of the present invention unit is connected at the described filter cloth back side and respectively with cathode and anode utmost point copper bar, and barrier film press filtration unit is made up of and forms the storage mud cavity with electroosmosis of a relative sealing two above-mentioned membrane filter plates arranged side by side.
Although what above embodiment was told about is that squeeze water is squeezed pump 19 by squeezing water pipe 18, pumps into membrane filter plate 13 through squeezing water channel 24; The barrier film cavity simultaneously forming between the membrane filter plate that comprises special cathode conduction filter screen 9 of the present invention, membrane filter plate etc. form membrane filter plate unit, completely can be on other pressure filter of the pressure strip of prior art and cylinder body external force squeezing dehydration device (as Chinese patent CN 202860204 U, CN 102527114 A) by the membrane filter plate filter-pressing device of several membrane filter plate cell formations.
The above; only for the better embodiment of the present invention, but protection domain of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art of the present technique disclose in the present invention; can expect easily changing or replacing, within all should being encompassed in protection domain of the present invention.Therefore, protection domain of the present invention should be as the criterion with claims protection domain.
Claims (7)
1. for a membrane filter plate for osmosis mud, comprise filter cloth (15), enter mud passage (22) and drainage channel (26),
Described filter cloth (15) and drainage channel (26) are arranged on the both sides of described membrane filter plate,
The described center of entering mud passage (22) and be placed in described membrane filter plate (13);
The two sides of described membrane filter plate (13) is provided with inside depressed area;
It is characterized in that,
Described membrane filter plate (13) also has the barrier film cavity (25) that is made up of a relative sealing two diaphragm plates (27), and described barrier film cavity (25) and squeezing water pipe (18) are connected; In the middle of described barrier film cavity (25), be provided with solid slab (27);
Negative electrode conduction filter screen (9) serves as a contrast at described filter cloth (15) back side of both sides and is connected with negative electrode copper bar;
In the depressed area of the grid of described negative electrode conduction filter screen (9) and described membrane filter plate (13), adapt.
2. membrane filter plate as claimed in claim 1, to be respectively a negative electrode conduction filter screen (9) being connected with negative electrode copper bar at described filter cloth (15) back side adapt respectively with in the depressed area of described membrane filter plate (13) be connected with anode copper bar (10) positive plate and they lining of described membrane filter plate both sides.
3. for a barrier film press filtration unit for osmosis mud, it is characterized in that,
Described unit is arranged side by side as the membrane filter plate of claim 1 and form a storage mud cavity for sealing relatively by two;
Described storage mud cavity is divided into two independently spaces by the positive plate (14) that is connected with anode copper bar (10).
4. for a barrier film press filtration unit for osmosis mud, it is characterized in that,
Described unit is arranged side by side as the membrane filter plate of claim 2 and form a storage mud cavity for sealing relatively by two, has described negative electrode conduction filter screen (9) and a described positive plate in described storage mud cavity.
5. an osmosis barrier film filter-pressing device, is characterized in that,
By several, the barrier film press filtration unit as described in claim 3 or 4 forms described barrier film filter-pressing device side by side.
6. a pressure filter that comprises osmosis barrier film filter-pressing device as claimed in claim 5, is characterized in that,
Enter on the mud conveying pipeline communicating on mud passage (22), to be also provided with an induction trunk with described,
The described mud passage that enters is provided with check valve (5), and described induction trunk also comprises an air compressor machine (20) and a check valve (6).
7. pressure filter as claimed in claim 6, is characterized in that,
Described squeezing water channel also comprises a press pump (19) and a check valve (7), and squeeze water by squeezing water pipe (18), pumps into the barrier film cavity (25) of membrane filter plate (13) by press pump (19) through squeezing water channel (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410248855.6A CN104030543B (en) | 2014-06-06 | 2014-06-06 | A kind of for electro-osmosis mud membrane filter plate, membrane filter pressing device and pressure filter |
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| CN201410248855.6A CN104030543B (en) | 2014-06-06 | 2014-06-06 | A kind of for electro-osmosis mud membrane filter plate, membrane filter pressing device and pressure filter |
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| CN104030543A true CN104030543A (en) | 2014-09-10 |
| CN104030543B CN104030543B (en) | 2016-06-29 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326641A (en) * | 2014-11-28 | 2015-02-04 | 山东太阳纸业股份有限公司 | Novel electroosmosis plate-frame sludge compressor and sludge treatment method |
| CN105859103A (en) * | 2016-06-21 | 2016-08-17 | 饶宾期 | Sewage sludge dehydrating device based on electroosmosis and mechanical pressure filtration coupling |
| CN105936579A (en) * | 2016-06-24 | 2016-09-14 | 湖北合加环境设备有限公司 | Squeezing filter plate, filter-press component and squeezer for sludge high-pressure-drying dehydration equipment |
| CN106565071A (en) * | 2015-10-12 | 2017-04-19 | 威立雅水处理及技术支持有限公司 | Device for dehydrating sludge |
| CN106746466A (en) * | 2017-01-19 | 2017-05-31 | 浙江工业大学 | A kind of system of electrolytic electro-dialysis air pressure press filtration Combined Treatment sludge dewatering |
| CN107686223A (en) * | 2017-10-20 | 2018-02-13 | 上海同臣环保有限公司 | Electrochemistry deep dehydration device for sludge and deep dehydration method for sludge |
| CN109485235A (en) * | 2018-12-29 | 2019-03-19 | 启迪桑德环境资源股份有限公司 | A kind of saturating Bidirectional water outlet of sludge electroosmotic and double it is electrically coupled high level cadre's dewatering system and method |
| CN110127988A (en) * | 2019-04-22 | 2019-08-16 | 浙江大学宁波理工学院 | A kind of method that electric osmose solidifies Combined Treatment polluted sludge |
| CN113877259A (en) * | 2021-11-18 | 2022-01-04 | 中国矿业大学(北京) | Filter press |
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| CN1948192A (en) * | 2006-10-30 | 2007-04-18 | 天津大学 | Dewatering technology of mud and its device |
| CN201648201U (en) * | 2009-12-23 | 2010-11-24 | 于波涛 | Electroosmosis sludge dewatering equipment |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326641A (en) * | 2014-11-28 | 2015-02-04 | 山东太阳纸业股份有限公司 | Novel electroosmosis plate-frame sludge compressor and sludge treatment method |
| CN106565071A (en) * | 2015-10-12 | 2017-04-19 | 威立雅水处理及技术支持有限公司 | Device for dehydrating sludge |
| US11021385B2 (en) | 2015-10-12 | 2021-06-01 | Veolia Water Solutions & Technologies Support | Sludge dewatering device |
| CN105859103B (en) * | 2016-06-21 | 2018-08-17 | 中国计量大学 | The sewage sludge dehydration device coupled with mechanism filter-pressing based on electro-osmosis |
| CN105859103A (en) * | 2016-06-21 | 2016-08-17 | 饶宾期 | Sewage sludge dehydrating device based on electroosmosis and mechanical pressure filtration coupling |
| CN105936579A (en) * | 2016-06-24 | 2016-09-14 | 湖北合加环境设备有限公司 | Squeezing filter plate, filter-press component and squeezer for sludge high-pressure-drying dehydration equipment |
| CN105936579B (en) * | 2016-06-24 | 2019-08-02 | 启迪桑德环境资源股份有限公司 | A kind of Filter pressing board, filters pressing component and squeezer for sludge high-drying dehydration equipment |
| CN106746466A (en) * | 2017-01-19 | 2017-05-31 | 浙江工业大学 | A kind of system of electrolytic electro-dialysis air pressure press filtration Combined Treatment sludge dewatering |
| CN106746466B (en) * | 2017-01-19 | 2019-05-31 | 浙江工业大学 | A kind of system of electrolysis-electrodialysis-air pressure filters pressing Combined Treatment sludge dewatering |
| CN107686223A (en) * | 2017-10-20 | 2018-02-13 | 上海同臣环保有限公司 | Electrochemistry deep dehydration device for sludge and deep dehydration method for sludge |
| CN109485235A (en) * | 2018-12-29 | 2019-03-19 | 启迪桑德环境资源股份有限公司 | A kind of saturating Bidirectional water outlet of sludge electroosmotic and double it is electrically coupled high level cadre's dewatering system and method |
| CN110127988A (en) * | 2019-04-22 | 2019-08-16 | 浙江大学宁波理工学院 | A kind of method that electric osmose solidifies Combined Treatment polluted sludge |
| CN113877259A (en) * | 2021-11-18 | 2022-01-04 | 中国矿业大学(北京) | Filter press |
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Address after: 437100 238 Jin Gui Road, Xianning Economic Development Zone, Xianning, Hubei Patentee after: Ho Chi New Energy Automobile Co., Ltd. Address before: 437100 Changjiang Industrial Park No. 238, Xianning Economic Development Zone, Hubei Patentee before: Hubei Hejia Environment Equipment Co., Ltd. |
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Effective date of registration: 20190401 Address after: 443000 114 along Yanjiang Road, Yichang, Hubei Patentee after: Sound Environmental Resources Co., Ltd. Address before: 437100 238 Jin Gui Road, Xianning Economic Development Zone, Xianning, Hubei Patentee before: Ho Chi New Energy Automobile Co., Ltd. |