CN104030540A - Vacuum-filtration and electric-dehydration sludge treating method - Google Patents
Vacuum-filtration and electric-dehydration sludge treating method Download PDFInfo
- Publication number
- CN104030540A CN104030540A CN201410170736.3A CN201410170736A CN104030540A CN 104030540 A CN104030540 A CN 104030540A CN 201410170736 A CN201410170736 A CN 201410170736A CN 104030540 A CN104030540 A CN 104030540A
- Authority
- CN
- China
- Prior art keywords
- sludge
- dewatering
- electro
- aqueous vapor
- mud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention provides a vacuum-filtration and electric-dehydration sludge treating method. According to the method, a sludge dehydration barrel is filled with sludge, the central part of the interior of the sludge dehydration barrel is vertically provided with a filter tube, and the upper end of the filter tube penetrates the barrel mouth of the sludge dehydration barrel while the lower end of the filter tube is sealed, or the lower end of the filter tube penetrates the barrel bottom of the sludge dehydration barrel while the upper end of the filter tube is sealed; the barrel bottom of the sludge dehydration barrel is sealed, the interior of the sludge dehydration barrel is vacuumized through the filter tube, and the sludge is subjected to vacuum filtration and dehydration treatment; anode discharge electrodes are arranged around the sludge, a cathode discharge electrode is arranged at the central part of the sludge, the anode discharge electrodes and the cathode discharge electrode are connected with a power source, and continuous or intermittent electric dehydration treatment is carried out on the sludge during vacuum filtration and dehydration treatment. The vacuum-filtration and electric-dehydration sludge treating method provided by the invention has the advantages of low equipment and operation cost, high treating efficiency, a good treating effect and capacity of realizing treatment of a great amount of sludge at the same time.
Description
Technical field
The present invention relates to sludge dewatering treatment technology, especially vacuum filtration and electro-dewatering sludge disposal technology in environmental protection industry.
Background technology
Sludge dewatering treatment is an important process content of environmental protection industry (epi).The a large amount of mud that produce in processing the process of industrial sewage, municipal wastewater are carried out to the great technical task that processed is environmental protection industry (epi) always as modes efficient, energy-saving and environmental protection how.1), operating efficiency is low, can not to the large mud of quantity, carry out processed simultaneously traditional sludge dewatering technology is mainly, by plate and frame or belt or folded spiral shell formula or the dewatering machine such as centrifugal, mud is carried out to mechanical dehydration, and its shortcoming is:; 2), costs and poor dehydration results, the moisture percentage in sewage sludge after processed still remains on 80% left and right; 3), dehydration cost high, not only to purchase a large amount of expensive mechanical means, and in dehydration, need to consume a large amount of energy.
In recent years, the new technology of sludge dewatering treatment has been had to a lot of explorations, wherein vacuum filtering and dewatering and the electro-dewatering treatment technology that osmosis, electricimpulse and static dehydration be representative of take all have patent application or document to record, and the existing certain applications in mechanical dehydration technology of vacuum filtration technology.
Known vacuum filtering and dewatering or electro-dewatering technology, or be to use separately vacuum filtering and dewatering or electro-dewatering treatment technology to carry out sludge dewatering treatment, or be to be combined with mechanical dehydration technology.
Discharging consolidation in sludge dewatering in environmental protection industry (epi) and treatment of soft foundation engineering construction mechanism is technically basically identical.In treatment of soft foundation engineering construction, vacuum preloading discharging consolidation technology large-area unselected clay ground is carried out discharging consolidation soft foundation processing when construction have advantages of that cost is low, efficiency is high, effective, be technology maturation, widely used engineering.Thereby but the capillary drainage channel in the ubiquity soil body stops up the effect that seriously greatly reduces discharging consolidation when technique of soft soil foundation treatment is being processed the mucky soil that organic content is high and rate of permeation is extremely low.And with osmosis, the dehydration of electricimpulse and static for the electro-dewatering treatment technology of representative be all to have a large amount of experimental results can prove the electric osmose that it produces in the soil body at environmental protection industry (epi) or in soft foundation processing industry, electrophoresis, ionization, in electrolysis and cavitation effect, only electrolytic effect has certain direct drainage, and electric osmose, electricity arteries and veins, ionization, the Main Function of cavitation effect is the capillary channel latch up phenomenon of effectively getting rid of in the soil body, accelerate the seepage velocity of water in the soil body, can also play the heavy metal substance of removing in the soil body simultaneously, kill harmful bacterium, improve the effect of soil property.
The mud that the mud that environmental protection industry (epi) is processed is processed with soft foundation processing industry is compared has equally extremely low rate of permeation, and the organic content in mud is higher, more easily stops up capillary drainage channel when processed.The feature extremely low according to mud rate of permeation and organic content is high, and according to principle and the feature of vacuum filtering and dewatering and electro-dewatering treatment technology, the dehydrating effect while using separately vacuum filtering and dewatering or electro-dewatering treatment technology to carry out sludge dewatering treatment is general; Although and can significantly improve the dehydrating effect of sludge treatment when vacuum filtering and dewatering or electro-dewatering treatment technology and mechanical dehydration technology are combined with but processing cost is higher than using separately the processing cost of mechanical dehydration technology, its economy is poorer.
If the sludge dewatering treatment technology of vacuum filtration is combined to use with the sludge disposal technology of electro-dewatering, the deficiency that electro-dewatering treatment technology can make up vacuum filtration technology just while carrying out sludge dewatering treatment, can not only effectively get rid of sludge blockage phenomenon, significantly improve efficiency and the effect of sludge dewatering, and can also play the heavy metal substance removed in mud, kill unwanted bacteria in mud, improve the effect of the environment-friendly quality of mud.Owing to significantly improving the speed of sludge dewatering treatment, while vacuum filtration sludge dewatering treatment technology being combined to use with electro-dewatering treatment technology, still can keep lower sludge dewatering treatment cost.
In the Chinese patent application of the vacuum filtration that the present inventor is 2014101706572 at application number and electro-dewatering sludge treatment method, disclose vacuum filtration and electro-dewatering sludge treatment method that a kind of sludge disposal technology of vacuum filtering and dewatering and the sludge disposal technology of electro-dewatering combine, thereby this technology is when the mud in sealing member carries out vacuum filtering and dewatering processing, in the surrounding of mud, cathodic discharge electrode to be set and at the middle part of mud, anode discharge electrode to be set mud is carried out to electro-dewatering processing.The present invention is based on same technical research object and know-why and proposed a kind of new technical scheme, utilize the sealing member that sludge dewatering bucket is vacuum filtering and dewatering, surrounding at mud arranges anode discharge electrode, at the middle part of the internal space of sludge dewatering bucket, vertically to chimney filter and cathodic discharge electrode are set, when mud is carried out to vacuum filtering and dewatering processing, continue or intermittently mud carried out to electro-dewatering processing.
In the Chinese patent application of the vacuum filtration that is 2014101706572 at application number with the present inventor and electro-dewatering sludge treatment method, disclosed technical scheme is compared, technical scheme disclosed by the invention is not high to the site requirements of sludge dewatering treatment, equipment cost is also lower, and in the Chinese patent application of the vacuum filtration that application number is 2014101706572 and electro-dewatering sludge treatment method, disclosed technical scheme is more suitable for a large amount of mud to carry out processed simultaneously.
Main technical principle of the present invention and technical superiority are: when mud is carried out to vacuum filtering and dewatering processing, mud is carried out to electro-dewatering processing, and the cathodic discharge electrode that electro-dewatering is processed is located at mud around, the anode discharge electrode that electro-dewatering is processed is located at the middle part of mud, therefore first, the Main Means of the present invention using vacuum filtration as sludge dewatering, utilized vacuum filtration technology rapidly and efficiently, energy-conserving and environment-protective and can simultaneously carry out the technical superiority of processed to a large amount of mud; Second, thereby the electric osmose and the electrophoretic effect that produce during processing by electro-dewatering can make the free water with positive polarity in mud process discharge to cathodic discharge electrode movement by vacuum filtration, thereby and make with the organic colloid of cathodic and tiny solid particulate, to the anode discharge electrode movement in the middle part of mud, can not stop up the capillary drainage channel of free water in mud; The 3rd, the ionisation effect that electro-dewatering produces during processing can also change colloid and solid particulate and planar water in mud and in conjunction with the electric polarity of water, makes the part planar water in mud and be converted into free water discharge in conjunction with water; The 4th, the electrolytic effect that electro-dewatering produces during processing has certain dehydrating effect, and electrolytic effect makes the water by electrolysis in mud become hydrogen and oxygen gas, under the effect of vacuum negative pressure, the athletic meeting of gas forms the new capillary drainage channel of discharging free water in mud; The 5th, when the electro-dewatering that uses high electric field pulse or high pressure static electricity to carry out mud is processed, in mud, also can produce cavitation effect, micro-bubble in water can be expanded rapidly and crumble and fall, in water, form shock wave or high-speed micro-jet, thereby further accelerate the flow velocity of free water and expand the capillary drainage channel of free water; Finally, electro-dewatering treatment technology is by removing the heavy metal ion in mud and killing be also the significantly increased environmental protection efficacy of sludge treatment of unwanted bacteria in mud.
Compare with existing sludge disposal technology, sludge dewatering treatment technology disclosed by the invention has advantages of equipment and operation cost is low, processing efficiency is high, treatment effect is good and can realize simultaneously a large amount of mud is processed.
Summary of the invention
Technical scheme disclosed by the invention is as follows.
Vacuum filtration and electro-dewatering sludge treatment method, it is characterized in that comprising following implementation step: 1), pack mud into sludge dewatering bucket, in the bucket of sludge dewatering bucket, the middle part in space is vertically to being provided with chimney filter, the upper end of chimney filter is through the bung of sludge dewatering bucket and the sealing of the lower end of chimney filter, or the lower end of chimney filter is through the bucket end of sludge dewatering bucket and the upper end sealing of chimney filter; 2) bung of sludge dewatering bucket is sealed, by chimney filter, in sludge dewatering bucket, vacuumize, mud is carried out to vacuum filtering and dewatering processing; 3) surrounding at mud is provided with anode discharge electrode, at the middle part of mud, be provided with cathodic discharge electrode, anode discharge electrode is connected to power supply with cathodic discharge electrode, when mud is carried out to vacuum filtering and dewatering processing, mud is continued or carry out intermittently electro-dewatering processing.
According to above-mentioned vacuum filtration and electro-dewatering sludge treatment method, a preferred technical scheme is: the material of making the bucket wall of sludge dewatering bucket comprises that electro-conductive material is also using this electro-conductive material as anode discharge electrode, or is provided with several anode discharge electrodes on the bucket wall of sludge dewatering bucket.
According to above-mentioned vacuum filtration and electro-dewatering sludge treatment method, a preferred technical scheme is: sludge dewatering bucket is provided with bung, covers the bung of sludge dewatering bucket and to the sealing gap between the bung of sludge dewatering bucket and sludge dewatering bucket bung when the mud in sludge dewatering bucket is carried out to processed.
According to above-mentioned vacuum filtration and electro-dewatering sludge treatment method, a preferred technical scheme is: chimney filter is the round tube that tube wall is provided with several filter openings, and the outer wrap of chimney filter has filtering material.
According to above-mentioned vacuum filtration and electro-dewatering sludge treatment method, a preferred technical scheme is: at sludge dewatering bucket, be provided with aqueous vapor separating tank outward, the middle part of aqueous vapor separating tank is provided with aqueous vapor import one, the top of aqueous vapor separating tank or top are provided with venting port one, the bottom of aqueous vapor separating tank or bottom are provided with water port one, aqueous vapor import one is connected with unencapsulated one end of chimney filter by valve tube one, venting port one is connected with vacuum pump by vapor pipe one, and water port one is connected with lift pump by water shoot one; During mud being carried out to vacuum filtering and dewatering processing and carrying out electro-dewatering processing, the water and air of discharging from mud carries out by vacuum pump, being discharged the air in aqueous vapor separating tank and being discharged the water in aqueous vapor separating tank by lift pump respectively after aqueous vapor separation in aqueous vapor separating tank.
According to above-mentioned vacuum filtration and electro-dewatering sludge treatment method, a preferred technical scheme is: at sludge dewatering bucket, be provided with gravity drainage aqueous vapor separating tank outward, the tank skin of gravity drainage aqueous vapor separating tank is provided with aqueous vapor import two, venting port two, water port two, aqueous vapor import two is connected with unencapsulated one end of chimney filter by valve tube two, venting port two is connected with vacuum pump by vapor pipe two, bottom in gravity drainage aqueous vapor separating tank is provided with submersible pump, and the water shoot two of submersible pump is communicated with outside gravity drainage aqueous vapor separating tank through water port two; During mud being carried out to vacuum filtering and dewatering processing and carrying out electro-dewatering processing, the water and air of discharging from mud is discharged respectively the air in gravity drainage aqueous vapor separating tank and by submersible pump, is discharged the water in gravity drainage aqueous vapor separating tank by vacuum pump carry out aqueous vapor separation in gravity drainage aqueous vapor separating tank after.
According to above-mentioned vacuum filtration and electro-dewatering sludge treatment method, a preferred technical scheme is: cathodic discharge electrode is located in chimney filter or on the outer wall of chimney filter, or the material of making chimney filter comprises that electro-conductive material is also using this electro-conductive material as cathodic discharge electrode.
According to above-mentioned vacuum filtration and electro-dewatering sludge treatment method, a preferred technical scheme is: power supply is direct supply or the pulse power or static power supply, anode discharge electrode connects the anode of power supply by cable one, cathodic discharge electrode connects the negative electrode of power supply by cable two.
According to above-mentioned vacuum filtration and electro-dewatering sludge treatment method, a preferred technical scheme is: the output voltage of direct supply is 10-100V, and the output voltage of the pulse power is 5000-100000V, and the output voltage of static power supply is 5000V-200000V.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of vacuum filtration and electro-dewatering sludge treatment method.
Accompanying drawing 2 is schematic diagram of chimney filter.
Accompanying drawing 3 is schematic diagram of gravity drainage aqueous vapor separating tank.
Accompanying drawing 1, in accompanying drawing 2 and accompanying drawing 3: the 1st, mud, the 2nd, sludge dewatering bucket, the 3rd, chimney filter, the 4th, anode discharge electrode, the 5th, cathodic discharge electrode, the 6th, power supply, the 7th, bung, the 8th, aqueous vapor separating tank, the 9th, aqueous vapor import one, the 10th, venting port one, the 11st, water port one, the 12nd, valve tube, the 13rd, vapor pipe, the 14th, vacuum pump, the 15th, water shoot, the 16th, lift pump, the 17th, cable one, the 18th, cable two, the 19th, filter opening, the 20th, filtering material, the 21st, gravity drainage aqueous vapor separating tank, the 22nd, aqueous vapor import two, the 23rd, venting port two, the 24th, water port two, the 25th, valve tube two, the 26th, vapor pipe two, the 27th, submersible pump, the 28th, water shoot two.
Embodiment
Below in conjunction with embodiment and accompanying drawing, technical scheme of the present invention is further described.
Embodiment: as shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, vacuum filtration and electro-dewatering sludge treatment method are mainly implemented according to the following steps: 1), pack mud 1 into sludge dewatering bucket 2, in the bucket of sludge dewatering bucket 2, the middle part in space is vertically to being provided with chimney filter 3, the upper end of chimney filter 3 is through the bung of sludge dewatering bucket 2 and the sealing of the lower end of chimney filter 3, or the lower end of chimney filter 3 is through the bucket end of sludge dewatering bucket and the upper end sealing of chimney filter 3, in the present embodiment, to arranging of chimney filter 3, adopt the upper end of chimney filter 3 through the embodiment of the bung of sludge dewatering bucket 2 and the sealing of the lower end of chimney filter 3; 2) bung of sludge dewatering bucket 2 is sealed, by chimney filter 3, in sludge dewatering bucket 2, vacuumize, mud 1 is carried out to vacuum filtering and dewatering processing; 3) surrounding at mud 1 is provided with anode discharge electrode 4, at the middle part of mud 1, be provided with cathodic discharge electrode 5, anode discharge electrode 4 is connected to power supply 6 with cathodic discharge electrode 5, when mud 1 is carried out to vacuum filtering and dewatering processing, mud 1 is continued or carry out intermittently electro-dewatering processing.
According to a preferred technical scheme of vacuum filtration and electro-dewatering sludge treatment method, the material of making the bucket wall of sludge dewatering bucket 2 comprises that electro-conductive material is also using this electro-conductive material as anode discharge electrode 4, or be provided with several anode discharge electrodes 4 on the bucket wall of sludge dewatering bucket 2, in the present embodiment, adopt stainless steel electro-conductive material to make the bucket wall of sludge dewatering bucket 2 and using stainless steel electro-conductive material as anode discharge electrode, so the mark in accompanying drawing 12 and mark 4 point to is same object.
According to a preferred technical scheme of vacuum filtration and electro-dewatering sludge treatment method, sludge dewatering bucket 2 in the present embodiment is provided with bung 7, covers the bung 7 of sludge dewatering bucket 2 and to the sealing gap between the bung 7 of sludge dewatering bucket 2 and sludge dewatering bucket 2 bungs when the mud 1 in sludge dewatering bucket 2 is carried out to processed.
According to a preferred technical scheme of vacuum filtration and electro-dewatering sludge treatment method, in the present embodiment, chimney filter 3 is provided with the round tube of several filter openings 19 for tube wall, and the outer wrap of chimney filter 3 has filtering material 20.
According to a preferred technical scheme of vacuum filtration and electro-dewatering sludge treatment method, in the present embodiment, outside sludge dewatering bucket 2, be provided with aqueous vapor separating tank 8, the middle part of aqueous vapor separating tank 8 is provided with aqueous vapor import 1, the top of aqueous vapor separating tank 8 is provided with venting port 1, the bottom of aqueous vapor separating tank 8 is provided with water port 1, aqueous vapor import 1 is connected with unencapsulated one end of chimney filter 3 by valve tube 1, venting port 1 is connected with vacuum pump 14 by vapor pipe 2 13, and water port 1 is connected with lift pump 16 by water shoot 1; During mud 1 is carried out vacuum filtering and dewatering processing and carries out electro-dewatering processing, the water and air of discharging from mud 1 carries out the water of being discharged the air in aqueous vapor separating tank 8 and being discharged in aqueous vapor separating tank 8 by lift pump 16 by vacuum pump 14 respectively after aqueous vapor separation in aqueous vapor separating tank 8.
According to a preferred technical scheme of vacuum filtration and electro-dewatering sludge treatment method, in the present embodiment, can also be chosen in the outer gravity drainage aqueous vapor separating tank 21 that arranges of sludge dewatering bucket 2, the tank skin of gravity drainage aqueous vapor separating tank 21 is provided with aqueous vapor import 2 22, venting port 2 23, water port 2 24, aqueous vapor import 2 22 is connected with unencapsulated one end of chimney filter 3 by valve tube 2 25, venting port 2 23 is connected with vacuum pump 14 by vapor pipe 2 26, bottom in gravity drainage aqueous vapor separating tank 21 is provided with submersible pump 27, the water shoot 2 28 of submersible pump 27 is communicated with outside gravity drainage aqueous vapor separating tank 21 through water port 2 24, during mud 1 is carried out vacuum filtering and dewatering processing and carries out electro-dewatering processing, after the water and air of discharging from mud 1 carries out aqueous vapor separation in gravity drainage aqueous vapor separating tank 21, by vacuum pump 14, discharge the air in gravity drainage aqueous vapor separating tank 21 and discharge the water in gravity drainage aqueous vapor separating tank by submersible pump 27 respectively.
According to a preferred technical scheme of vacuum filtration and electro-dewatering sludge treatment method, cathodic discharge electrode 5 is located in chimney filter 3 or on the outer wall of chimney filter 3, or the material of making chimney filter 3 comprises that electro-conductive material is also using this electro-conductive material as cathodic discharge electrode 5, in the present embodiment, adopt the stainless steel tube that is provided with filter opening 19 conducting electricity as chimney filter 3 and using this stainless steel tube as cathodic discharge electrode 5, what therefore in accompanying drawing 1, mark the mark 3 of chimney filter 3 and mark 5 sensings of mark cathodic discharge electrode is same object.
According to a preferred technical scheme of vacuum filtration and electro-dewatering sludge treatment method, in the present embodiment, power supply 6 is direct supply, anode discharge electrode 4 connects the anode of power supply 6 by cable 1, cathodic discharge electrode 5 connects the negative electrode of power supply 6 by cable 2 18.
According to a preferred technical scheme of vacuum filtration and electro-dewatering sludge treatment method, the output voltage of the direct supply in the present embodiment is 24V.
Claims (9)
1. vacuum filtration and electro-dewatering sludge treatment method, it is characterized in that comprising following implementation step: 1), pack mud into sludge dewatering bucket, in the bucket of sludge dewatering bucket, the middle part in space is vertically to being provided with chimney filter, the upper end of chimney filter is through the bung of sludge dewatering bucket and the sealing of the lower end of chimney filter, or the lower end of chimney filter is through the bucket end of sludge dewatering bucket and the upper end sealing of chimney filter; 2) bung of sludge dewatering bucket is sealed, by chimney filter, in sludge dewatering bucket, vacuumize, mud is carried out to vacuum filtering and dewatering processing; 3) surrounding at mud is provided with anode discharge electrode, at the middle part of mud, be provided with cathodic discharge electrode, anode discharge electrode is connected to power supply with cathodic discharge electrode, when mud is carried out to vacuum filtering and dewatering processing, mud is continued or carry out intermittently electro-dewatering processing.
2. vacuum filtration as claimed in claim 1 and electro-dewatering sludge treatment method, it is characterized in that: the material of making the bucket wall of sludge dewatering bucket comprises that electro-conductive material is also using this electro-conductive material as anode discharge electrode, or be provided with several anode discharge electrodes on the bucket wall of sludge dewatering bucket.
3. vacuum filtration as claimed in claim 1 and electro-dewatering sludge treatment method, it is characterized in that: sludge dewatering bucket is provided with bung, when the mud in sludge dewatering bucket is carried out to processed, cover the bung of sludge dewatering bucket and to the sealing gap between the bung of sludge dewatering bucket and sludge dewatering bucket bung.
4. vacuum filtration as claimed in claim 1 and electro-dewatering sludge treatment method, is characterized in that: chimney filter is the round tube that tube wall is provided with several filter openings, and the outer wrap of chimney filter has filtering material.
5. vacuum filtration as claimed in claim 1 and electro-dewatering sludge treatment method, it is characterized in that: at sludge dewatering bucket, be provided with aqueous vapor separating tank outward, the middle part of aqueous vapor separating tank is provided with aqueous vapor import one, the top of aqueous vapor separating tank or top are provided with venting port one, the bottom of aqueous vapor separating tank or bottom are provided with water port one, aqueous vapor import one is connected with unencapsulated one end of chimney filter by valve tube one, venting port one is connected with vacuum pump by vapor pipe one, and water port one is connected with lift pump by water shoot one; During mud being carried out to vacuum filtering and dewatering processing and carrying out electro-dewatering processing, the water and air of discharging from mud carries out by vacuum pump, being discharged the air in aqueous vapor separating tank and being discharged the water in aqueous vapor separating tank by lift pump respectively after aqueous vapor separation in aqueous vapor separating tank.
6. vacuum filtration as claimed in claim 1 and electro-dewatering sludge treatment method, it is characterized in that: at sludge dewatering bucket, be provided with gravity drainage aqueous vapor separating tank outward, the tank skin of gravity drainage aqueous vapor separating tank is provided with aqueous vapor import two, venting port two, water port two, aqueous vapor import two is connected with unencapsulated one end of chimney filter by valve tube two, venting port two is connected with vacuum pump by vapor pipe two, bottom in gravity drainage aqueous vapor separating tank is provided with submersible pump, and the water shoot two of submersible pump is communicated with outside gravity drainage aqueous vapor separating tank through water port two; During mud being carried out to vacuum filtering and dewatering processing and carrying out electro-dewatering processing, the water and air of discharging from mud is discharged respectively the air in gravity drainage aqueous vapor separating tank and by submersible pump, is discharged the water in gravity drainage aqueous vapor separating tank by vacuum pump carry out aqueous vapor separation in gravity drainage aqueous vapor separating tank after.
7. vacuum filtration as claimed in claim 1 and electro-dewatering sludge treatment method, is characterized in that: cathodic discharge electrode is located in chimney filter or on the outer wall of chimney filter, or the material of making chimney filter comprises that electro-conductive material is also using this electro-conductive material as cathodic discharge electrode.
8. vacuum filtration as claimed in claim 1 and electro-dewatering sludge treatment method, it is characterized in that: power supply is direct supply or the pulse power or static power supply, anode discharge electrode connects the anode of power supply by cable one, cathodic discharge electrode connects the negative electrode of power supply by cable two.
9. vacuum filtration as claimed in claim 8 and electro-dewatering sludge treatment method, is characterized in that: the output voltage of direct supply is 10-100V, and the output voltage of the pulse power is 5000-100000V, and the output voltage of static power supply is 5000V-200000V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410170736.3A CN104030540A (en) | 2014-04-27 | 2014-04-27 | Vacuum-filtration and electric-dehydration sludge treating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410170736.3A CN104030540A (en) | 2014-04-27 | 2014-04-27 | Vacuum-filtration and electric-dehydration sludge treating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104030540A true CN104030540A (en) | 2014-09-10 |
Family
ID=51461571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410170736.3A Pending CN104030540A (en) | 2014-04-27 | 2014-04-27 | Vacuum-filtration and electric-dehydration sludge treating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104030540A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036508A (en) * | 2015-06-12 | 2015-11-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and device for solidifying sludge by virtue of vacuum electric osmosis combined dynamic load |
| CN105217922A (en) * | 2015-10-26 | 2016-01-06 | 黄文龙 | A kind of mud quick dewatering drying device |
| CN106865948A (en) * | 2017-03-20 | 2017-06-20 | 河海大学 | A kind of interval water outlet apparatus for electrodewatering based on mud transport pipeline |
| CN107088321A (en) * | 2017-07-03 | 2017-08-25 | 合肥工业大学 | Mud and water separating equipment and sludge treatment device |
-
2014
- 2014-04-27 CN CN201410170736.3A patent/CN104030540A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036508A (en) * | 2015-06-12 | 2015-11-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and device for solidifying sludge by virtue of vacuum electric osmosis combined dynamic load |
| CN105217922A (en) * | 2015-10-26 | 2016-01-06 | 黄文龙 | A kind of mud quick dewatering drying device |
| CN105217922B (en) * | 2015-10-26 | 2017-09-12 | 黄文龙 | A kind of sludge quick dewatering drying device |
| CN106865948A (en) * | 2017-03-20 | 2017-06-20 | 河海大学 | A kind of interval water outlet apparatus for electrodewatering based on mud transport pipeline |
| CN107088321A (en) * | 2017-07-03 | 2017-08-25 | 合肥工业大学 | Mud and water separating equipment and sludge treatment device |
| CN107088321B (en) * | 2017-07-03 | 2019-12-13 | 合肥工业大学 | Mud-water separation equipment and sludge treatment equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104030540A (en) | Vacuum-filtration and electric-dehydration sludge treating method | |
| CN104003599B (en) | Vacuum filtration associating electro-dewatering sludge treating system | |
| CN102070222A (en) | Method and device for pre-treating oil field sewage by ultrasonic oxidation united with electrochemical oxidation | |
| CN102001806A (en) | Method and device for treating oily sludge | |
| CN106865941A (en) | A kind of centrifugal dewatering of sludge processing unit | |
| CN106904803A (en) | Transfer electron formula electro-osmosis advanced oxidation sludge dewatering system and its dewatering | |
| CN106396309A (en) | Transverse electroosmosis sludge in-depth dewatering experiment device and experiment method thereof | |
| CN104909526A (en) | Device for removing heavy metals in sludge by using electro-dynamic method and synchronously and deeply dehydrating sludge | |
| CN207002537U (en) | A kind of multi-electrode dielectric barrier discharge plasma sludge treatment equipment | |
| CN207391073U (en) | A kind of three-dimensional electrolysis device of synchronous removal beneficiation wastewater COD and heavy metal | |
| CN103910474B (en) | A kind of micro-electrolysis treatment method removing polyacrylamide in oily sludge | |
| CN203360076U (en) | Catalytic microelectrolysis device | |
| CN203820617U (en) | Vacuum filtering and electrical dewatering combined sludge treatment system | |
| CN104496149A (en) | Vacuum electroosmosis curing water supply plant sludge device and use method thereof | |
| CN106746465A (en) | A kind of sludge dewatering system and its mud dewatering method of continuous electro-osmosis | |
| CN106430435A (en) | Closed electrolytic cell capable of collecting gases produced by electrolysis | |
| CN212153434U (en) | Electroosmosis blowdown tubular pile that permeates water | |
| CN201799448U (en) | Combined electrode | |
| CN205328830U (en) | Electric field leaching heavy metal device | |
| CN203411441U (en) | MBR (Membrane Biological Reactor) water treatment device with double-electrolysis combination | |
| CN206645984U (en) | Transfer electron formula electro-osmosis advanced oxidation sludge dewatering system | |
| CN106865948B (en) | Intermittent water outlet and electricity dewatering device based on sludge conveying pipeline | |
| CN106810029A (en) | The process unit and method of Electro-Fenton process treatment oil field waste sludge | |
| CN204529408U (en) | For the treatment of the Electrochemical oxidation device of oil field polymer-containing wastewater | |
| CN211637719U (en) | Electric repairing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140910 |