CN203820617U - Vacuum filtering and electrical dewatering combined sludge treatment system - Google Patents
Vacuum filtering and electrical dewatering combined sludge treatment system Download PDFInfo
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- CN203820617U CN203820617U CN201420218847.2U CN201420218847U CN203820617U CN 203820617 U CN203820617 U CN 203820617U CN 201420218847 U CN201420218847 U CN 201420218847U CN 203820617 U CN203820617 U CN 203820617U
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Abstract
The utility model discloses a vacuum filtering and electrical dewatering combined sludge treatment system which comprises a double-layer vacuum dewatering bucket, a bucket cover, a filter bag, a vacuum pump, a cathode discharge electrode, an anode discharge electrode, a power supply, a first cable and a second cable. According to the technical scheme disclosed by the utility model, the double-layer dewatering bucket, the bucket cover, the filter bag and the vacuum pump are adopted as a vacuum filtering dewatering system for performing vacuum filtering dewatering treatment on sludge, and the cathode discharge electrode, the anode discharge electrode, the power supply, the first cable and the second cable are adopted as an electrical dewatering system for performing electrical dewatering treatment on the sludge. The combined sludge treatment system has the advantages of being low in equipment and operation cost, high in treatment efficiency, good in treatment effect and capable of treating a large quantity of sludge at the same time.
Description
Technical field
The utility model relates to the sludge disposal technology in environmental protection industry (epi), especially a kind of product technology of vacuum filtration associating electro-dewatering sludge treating system.
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 of vacuum filtration technical tie-up mechanical dehydration 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 treatment of soft foundation 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 contriver of the present utility model is 2014101706572 at application number and electro-dewatering sludge treatment method, disclose vacuum filtration that a kind of sludge disposal technology of vacuum filtering and dewatering and the sludge disposal technology of electro-dewatering combine and the method and technology of electro-dewatering sludge treatment method, thereby the method 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 utility model further discloses a kind of product technology scheme that can realize the method technology ultimate principle based on disclosed method and technology in above-mentioned patent application, i.e. the technical scheme of vacuum filtration associating electro-dewatering sludge treating system.
Main technical principle of the present utility model and technical superiority are: utilize the outer staving of double-layer vacuum dehydration barrel and the internal space between internal layer staving to carry out vacuum filtering and dewatering processing to the mud in internal layer staving, when mud is carried out to vacuum filtering and dewatering processing, utilize and be located at mud cathodic discharge electrode around and be located at the anode discharge electrode formation ring electric field at mud middle part and mud is carried out to electro-dewatering processing, therefore first, the Main Means of the utility model 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 in mud, solid particulate, planar water and in conjunction with the electric polarity of water, makes the part planar water in mud and be converted into free water and discharge by vacuum filtration in conjunction with water, the 4th, the electrolytic effect that electro-dewatering produces during processing has certain dehydrating effect, and electrolytic effect is electrolyzed to produce as hydrogen and oxygen gas the part water in mud, 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, the product technology of the disclosed vacuum filtration of the utility model associating electro-dewatering sludge treating system 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
The technical solution of the utility model is as follows.
Vacuum filtration associating electro-dewatering sludge treating system, comprise double-layer vacuum dehydration barrel, bung, filter bag, vacuum pump, cathodic discharge electrode, anode discharge electrode, power supply, cable one, cable two, it is characterized in that: described double-layer vacuum dehydration barrel is the two-layer barrel body structure that internal layer staving and outer staving are combined to form, the bung closure of the bung of its internal layer staving and outer staving is connected as a single entity internal layer staving and outer staving, bottom or the bottom of its outer staving are provided with moisture outlet, and its internal layer staving is provided with several filter openings; Described bung is located at the top of the bung of double-layer vacuum dehydration barrel; Described filter bag is located in the bucket chamber of internal layer staving, and pretreated mud is placed in filter bag; Described vacuum pump connects moisture outlet; Described cathodic discharge electrode is the internal layer staving of being made by electro-conductive material or is to be located at several electrical conductor on internal layer staving; Described anode discharge electrode is the electrical conductor of bar-shaped or tubulose, it is vertically to the middle part of being located at the bucket chamber of internal layer staving, its upper end is fixed on the middle part of bung and distance >=50mm that the bottom of internal layer staving is arrived in its lower end, or its lower end is fixed on the middle part of the bottom of internal layer staving; The negative electrode of described power supply connects cathodic discharge electrode by cable one, and the anode of power supply is by cable two jointed anode discharge electrodes.
In vacuum filtration associating electro-dewatering sludge treating system, utilize Double-layer water expelling tub, bung, filter bag, vacuum pump, as vacuum filtering and dewatering system, mud is carried out to vacuum filtering and dewatering processing, utilize cathodic discharge electrode, anode discharge electrode, power supply, cable one, cable two, as electro-dewatering system, mud is carried out to electro-dewatering processing simultaneously.
A preferred technical scheme of the present utility model is: described vacuum filtration associating electro-dewatering sludge treating system also comprises aqueous vapor separating tank, pumping plant, vacuum-lines one, vacuum-lines two, the described moisture outlet of vacuum-lines one connected double-layer vacuum dehydration barrel and middle part or the top of aqueous vapor separating tank, described vacuum-lines two connects top or the top of vacuum pump and aqueous vapor separating tank, described pumping plant is to be located at the bottom of aqueous vapor separating tank or the submersible pump of bottom or the lift pump for being located at the outside of aqueous vapor separating tank and being connected with bottom or the bottom of aqueous vapor separating tank by drinking-water pipe.
A preferred technical scheme of the present utility model is: described cathodic discharge electrode is served as reasons and is provided with the internal layer staving that the stainless steel plate of several filter openings is made.
A preferred technical scheme of the present utility model is: between the bucket wall of the bucket wall of the outer staving of described double-layer vacuum dehydration barrel and internal layer staving, be provided with several metal reinforced supports.
A preferred technical scheme of the present utility model is: the cross section in the bucket chamber of the bucket chamber of the outer staving of described double-layer vacuum dehydration barrel and internal layer staving is circle, the diameter of the cross section in the bucket chamber of internal layer staving is 500～2000mm, and the height of double-layer vacuum dehydration barrel is 1000～3000mm.
A preferred technical scheme of the present utility model is: between described bung and the bung of Double-layer water expelling tub, be provided with sealing member.
A preferred technical scheme of the present utility model is: when the upper end of described anode discharge electrode is fixed on the middle part of bung, be provided with isolator one, or bung is insulating material between itself and bung; When being fixed on the middle part of bottom of internal layer staving, the lower end of anode discharge electrode is provided with isolator two between the bottom of itself and internal layer staving.
A preferred technical scheme of the present utility model is: described power supply is direct supply or the pulse power or static power supply.
A preferred technical scheme of the present utility model is: described power supply is provided with time switch or transfer lever.
A preferred technical scheme of the present utility model is: described vacuum pump connects the moisture outlet of a plurality of double-layer vacuum dehydration barrels simultaneously, or described power supply connects a plurality of cathodic discharge electrodes and anode discharge electrode simultaneously.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of vacuum filtration associating electro-dewatering sludge treating system.
Accompanying drawing 2 is the schematic diagram that are provided with the internal layer staving that the stainless steel plate of several filter openings makes.
In accompanying drawing 1, accompanying drawing 2,1 is double-layer vacuum dehydration barrel, and 2 is bung, and 3 is filter bag, 4 is vacuum pump, and 5 is cathodic discharge electrode, and 6 is anode discharge electrode, and 7 is power supply, 8 is that cable one, 9 is that cable two, 10 is internal layer staving, and 11 is outer staving, 12 is moisture outlet, and 13 is mud, and 14 is aqueous vapor separating tank, and 15 is lift pump, 16 is that vacuum-lines one, 17 is that vacuum-lines two, 18 is drinking-water pipe, and 19 is metal reinforced support, 20 is sealing member, and 21 is filter opening, and 22 is stainless steel plate.
Embodiment
Below in conjunction with embodiment and accompanying drawing 1 or accompanying drawing 2, further illustrate the concrete embodiment of the product technology of the disclosed vacuum filtration associating of the utility model electro-dewatering sludge treating system.
According to the technical solution of the utility model, vacuum filtration associating electro-dewatering sludge treating system comprises double-layer vacuum dehydration barrel 1, bung 2, filter bag 3, vacuum pump 4, cathodic discharge electrode 5, anode discharge electrode 6, power supply 7, cable 1, cable 29.Described double-layer vacuum dehydration barrel 1 is the two-layer barrel body structure that internal layer staving 10 and outer staving 11 are combined to form, the bung closure of the bung of its internal layer staving 10 and outer staving 11 is connected as a single entity internal layer staving 10 and outer staving 11, the bottom of its outer staving 11 or bottom are provided with moisture outlet 12, and its internal layer staving 10 is provided with several filter openings 21; Described bung 2 is located at the top of the bung of double-layer vacuum dehydration barrel 1; Described filter bag 3 is located in the bucket chamber of internal layer staving 10, and pretreated mud 13 is placed in filter bag 3; Described vacuum pump 4 connects moisture outlet 12; Described cathodic discharge electrode 5 is the internal layer staving 10 of being made by electro-conductive material or is to be located at several electrical conductor on internal layer staving 10; Described anode discharge electrode 6 is the electrical conductor of bar-shaped or tubulose, it is vertically to the middle part of being located at the bucket chamber of internal layer staving 10, its upper end is fixed on the middle part of bung 2 and distance >=50mm that the bottom of internal layer staving 10 is arrived in its lower end, or its lower end is fixed on the middle part of the bottom of internal layer staving 10; The negative electrode of described power supply 7 connects cathodic discharge electrode 5 by cable 1, and the anode of power supply 7 is by cable 29 jointed anode discharge electrodes 6.In the present embodiment, the bottom of outer staving 11 is provided with moisture outlet 12, the internal layer staving 10 of cathodic discharge electrode 5 for being made by electro-conductive material, anode discharge electrode 6 is bar-shaped electrical conductor, and the upper end of anode discharge electrode 6 is fixed on the middle part of bung 2 and distance >=50mm that the bottom of internal layer staving 10 is arrived in its lower end.
According to a preferred technical scheme of the present utility model, described vacuum filtration associating electro-dewatering sludge treating system also comprises aqueous vapor separating tank 14, pumping plant, vacuum-lines 1, vacuum-lines 2 17, the described moisture outlet 12 of vacuum-lines one 16 connected double-layer vacuum dehydration barrels 1 and middle part or the top of aqueous vapor separating tank 14, described vacuum-lines 2 17 connects top or the top of vacuum pump 4 and aqueous vapor separating tank 14, described pumping plant is be located at the bottom of aqueous vapor separating tank 14 or the submersible pump of bottom or also pass through for being located at the outside of aqueous vapor separating tank 14 lift pump 15 that drinking-water pipe 18 is connected with bottom or the bottom of aqueous vapor separating tank 14.In the present embodiment, the moisture outlet 12 of vacuum-lines one 16 connected double-layer vacuum dehydration barrels 1 and the middle part of aqueous vapor separating tank 14, vacuum-lines 2 17 connects the top of vacuum pump and aqueous vapor separating tank 14, and pumping plant is the lift pump 15 outside and that be connected with the bottom of aqueous vapor separating tank 14 by drinking-water pipe 18 of being located at aqueous vapor separating tank 14.
According to a preferred technical scheme of the present utility model, in the present embodiment, cathodic discharge electrode 5 is served as reasons and is provided with the internal layer staving 10 that the stainless steel plate 22 of several filter openings 21 is made.
According to a preferred technical scheme of the present utility model, in the present embodiment, between the bucket wall of the bucket wall of the outer staving 11 of double-layer vacuum dehydration barrel 1 and internal layer staving 10, be provided with several metal reinforced supports 19.
According to a preferred technical scheme of the present utility model, the cross section in the bucket chamber of the bucket chamber of the outer staving 11 of double-layer vacuum dehydration barrel 1 and internal layer staving 10 is circle, the diameter of the cross section in the bucket chamber of internal layer staving 10 is 500～2000mm, and the height of double-layer vacuum dehydration barrel 1 is 1000～3000mm.In the present embodiment, the diameter of the cross section in the bucket chamber of internal layer staving 10 is 1200mm, and the height of double-layer vacuum dehydration barrel 1 is 2000mm.
According to a preferred technical scheme of the present utility model, in the present embodiment, between bung 2 and the bung of Double-layer water expelling tub 1, be provided with sealing member 20.
According to a preferred technical scheme of the present utility model, when the upper end of anode discharge electrode 6 is fixed on the middle part of bung 2, between itself and bung 2, be provided with isolator one, or bung 2 is insulating material; When being fixed on the middle part of bottom of internal layer staving 10, the lower end of anode discharge electrode 6 is provided with isolator two between the bottom of itself and internal layer staving 10.In the present embodiment, the upper end of anode discharge electrode 6 is fixed on the middle part of bung 2, and bung 2 is insulating material.
According to a preferred technical scheme of the present utility model, described power supply 7 is direct supply or the pulse power or static power supply.In the present embodiment, power supply 7 is static power supply, and the output voltage of power supply 7 is 10000V～30000V adjustable voltage.
Claims (10)
1. electro-dewatering sludge treating system is combined in vacuum filtration, comprise double-layer vacuum dehydration barrel, bung, filter bag, vacuum pump, cathodic discharge electrode, anode discharge electrode, power supply, cable one, cable two, it is characterized in that: described double-layer vacuum dehydration barrel is the two-layer barrel body structure that internal layer staving and outer staving are combined to form, the bung closure of the bung of its internal layer staving and outer staving is connected as a single entity internal layer staving and outer staving, bottom or the bottom of its outer staving are provided with moisture outlet, and its internal layer staving is provided with several filter openings; Described bung is located at the top of the bung of double-layer vacuum dehydration barrel; Described filter bag is located in the bucket chamber of internal layer staving, and pretreated mud is placed in filter bag; Described vacuum pump connects moisture outlet; Described cathodic discharge electrode is the internal layer staving of being made by electro-conductive material or is to be located at several electrical conductor on internal layer staving; Described anode discharge electrode is the electrical conductor of bar-shaped or tubulose, it is vertically to the middle part of being located at the bucket chamber of internal layer staving, its upper end is fixed on the middle part of bung and distance >=50mm that the bottom of internal layer staving is arrived in its lower end, or its lower end is fixed on the middle part of the bottom of internal layer staving; The negative electrode of described power supply connects cathodic discharge electrode by cable one, and the anode of power supply is by cable two jointed anode discharge electrodes.
2. electro-dewatering sludge treating system is combined in vacuum filtration as claimed in claim 1, it is characterized in that: also comprise aqueous vapor separating tank, pumping plant, vacuum-lines one, vacuum-lines two, the described moisture outlet of vacuum-lines one connected double-layer vacuum dehydration barrel and middle part or the top of aqueous vapor separating tank, described vacuum-lines two connects top or the top of vacuum pump and aqueous vapor separating tank, described pumping plant is to be located at the bottom of aqueous vapor separating tank or the submersible pump of bottom or the lift pump for being located at the outside of aqueous vapor separating tank and being connected with bottom or the bottom of aqueous vapor separating tank by drinking-water pipe.
3. vacuum filtration as claimed in claim 1 associating electro-dewatering sludge treating system, is characterized in that: described cathodic discharge electrode is served as reasons and is provided with the internal layer staving that the stainless steel plate of several filter openings is made.
4. vacuum filtration associating electro-dewatering sludge treating system as claimed in claim 1, is characterized in that: between the bucket wall of the bucket wall of the outer staving of described double-layer vacuum dehydration barrel and internal layer staving, be provided with several metal reinforced supports.
5. electro-dewatering sludge treating system is combined in vacuum filtration as claimed in claim 1, it is characterized in that: the cross section in the bucket chamber of the bucket chamber of the outer staving of described double-layer vacuum dehydration barrel and internal layer staving is circle, the diameter of the cross section in the bucket chamber of internal layer staving is 500～2000mm, and the height of double-layer vacuum dehydration barrel is 1000～3000mm.
6. vacuum filtration associating electro-dewatering sludge treating system as claimed in claim 1, is characterized in that: between described bung and the bung of Double-layer water expelling tub, be provided with sealing member.
7. vacuum filtration as claimed in claim 1 associating electro-dewatering sludge treating system, is characterized in that: when the upper end of described anode discharge electrode is fixed on the middle part of bung, be provided with isolator one, or bung is insulating material between itself and bung; When being fixed on the middle part of bottom of internal layer staving, the lower end of anode discharge electrode is provided with isolator two between the bottom of itself and internal layer staving.
8. vacuum filtration associating electro-dewatering sludge treating system as claimed in claim 1, is characterized in that: described power supply is direct supply or the pulse power or static power supply.
9. vacuum filtration associating electro-dewatering sludge treating system as claimed in claim 1, is characterized in that: described power supply is provided with time switch or transfer lever.
10. electro-dewatering sludge treating system is combined in vacuum filtration as claimed in claim 1, it is characterized in that: described vacuum pump connects the moisture outlet of a plurality of double-layer vacuum dehydration barrels simultaneously, or described power supply connects a plurality of cathodic discharge electrodes and anode discharge electrode simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420218847.2U CN203820617U (en) | 2014-05-01 | 2014-05-01 | Vacuum filtering and electrical dewatering combined sludge treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420218847.2U CN203820617U (en) | 2014-05-01 | 2014-05-01 | Vacuum filtering and electrical dewatering combined sludge treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN203820617U true CN203820617U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420218847.2U Expired - Fee Related CN203820617U (en) | 2014-05-01 | 2014-05-01 | Vacuum filtering and electrical dewatering combined sludge treatment system |
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| Country | Link |
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| CN (1) | CN203820617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104003599A (en) * | 2014-05-01 | 2014-08-27 | 邓立新 | Vacuum filtration-electric dehydration combined sludge treatment system |
| CN105217922A (en) * | 2015-10-26 | 2016-01-06 | 黄文龙 | A kind of mud quick dewatering drying device |
-
2014
- 2014-05-01 CN CN201420218847.2U patent/CN203820617U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104003599A (en) * | 2014-05-01 | 2014-08-27 | 邓立新 | Vacuum filtration-electric dehydration combined sludge treatment system |
| CN104003599B (en) * | 2014-05-01 | 2015-10-28 | 邓立新 | Vacuum filtration associating electro-dewatering sludge treating system |
| 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 |
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Granted publication date: 20140910 Termination date: 20160501 |
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| CF01 | Termination of patent right due to non-payment of annual fee |