CN105016594A - Method for treating nutrient substances in excess sludge and special high-voltage alternating-current pulse sludge decomposition device - Google Patents
Method for treating nutrient substances in excess sludge and special high-voltage alternating-current pulse sludge decomposition device Download PDFInfo
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Abstract
The invention belongs to methods and equipment for treating sludge and particularly relates to a method for treating nutrient substances in excess sludge and a special high-voltage alternating-current pulse sludge decomposition device. The nutrient substances in the excess sludge are treated through the technological steps of thermal refining, sludge wall or film breaking, mud and water separation, injection of supernate into a biochemical system and the like. The high-voltage alternating-current pulse sludge decomposition device comprises a sludge flowing pipe, connection flanges arranged at the two ends of the sludge flowing pipe, a sludge inlet, a sludge outlet, electrodes arranged in the sludge flowing pipe, and a power source electrically connected with the electrodes, wherein the sludge inlet and the sludge outlet are formed in the front part and the rear part of the sludge flowing pipe. The number of the electrodes is at least two, the electrodes are evenly distributed in the sludge flowing pipe, and a high-voltage alternating-current pulse power source is selected as the power source. The method for treating the nutrient substances in the excess sludge and the special high-voltage alternating-current pulse sludge decomposition device solve the problems that in the prior art, an additional carbon source exists, a large amount of manpower and material resources are needed, the operation burden and cost of a sewage plant is aggravated, the reagent dosage is large, and operation is complex. The method for treating the nutrient substances in the excess sludge and the special high-voltage alternating-current pulse sludge decomposition device have the advantages that energy consumption is low, the sludge treating effect is good, and the carbon source dosage is small.
Description
Technical field
The invention belongs to method for sludge treatment and equipment, refer to a kind for the treatment of process and special high-pressure alternating-current pulse sludge disintegration device of excess sludge Middle nutrition material especially.
Background technology
By the end of 2013, sewage work above county level of China has reached more than 3500, supervene a large amount of excess sludges, whole nation mud ultimate production reaches 3,000 ten thousand tons (in water ratio 80%), expect the year two thousand twenty sludge yield and can reach 6,000 ten thousand tons, if so a large amount of excess sludges is mishandling, serious secondary pollution will be produced to environment.In addition, research finds that as nucleic acid, protein, polysaccharide etc., they all can show with the form of solvability COD containing many useful matteies in excess sludge.If this type of solvability COD can be extracted from mud, separate out and recycle, just can realize resource utilization and the energy of mud, the handling problems of a large amount of excess sludge will be readily solved simultaneously.
Industrial park, certain areas sewage work run have that water inlet carbon-nitrogen ratio is low, nutritive substance is not enough, microorganism cannot the problems such as normal growth, treatment effect be undesirable.For problems, main solution in biochemistry pool, adds the materials such as methyl alcohol, sodium acetate, starch, glucose as microbe carbon source at present, but additional carbon needs a large amount of manpower and materials, has increased the weight of operation burden and the expense of Sewage Plant.If process the excess sludge that water factory self produces, the solubility COD extracted in mud is supplemented in biochemistry pool as carbon source, while raising treatment effect, reduces the expense that external carbon source adds, saves the processing costs of excess sludge.
At present, the method of sludge treatment comprises ultrasonic wave, microwave, pyrolysis, freeze thawing, ozone, alkaline purification etc., the improvement of these methods to the aspect such as sludge dewatering, recycling performance is beneficial, but simultaneously they generally have energy consumption high, have the deficiencies such as particular requirement to equipment, there is the shortcomings such as added amount of chemical carbon source that is large, that separate out cannot directly utilize in ozone and alkaline purification; These methods paying in energy consumption, equipment requirements is difficult to obtain corresponding return in addition, and therefore finding a kind of low consumption, the efficiently method of lignin-sludge is technical barrier and the research direction of this area.
The patent No. is the shredder assembly disclosing a kind of high-voltage decomposition mud in the utility application of 201420036901.1, this device comprises mud flowing pipe, outer electrode, internal electrode, high voltage electric generating unit, 220V AC conversion is the high voltage direct current of 20-100kV by it, the pulse action produced by electrical forces is made cytomorphosis, breaks, the main purpose of this patent is under the prerequisite reducing flocculant dosage, increase sludge dewatering ability, reduce the amount of excess sludge.And in the mud flowing pipe of device, only have an electrode body, then will be connected by multiple mud flowing pipe if improve processing efficiency, the contact area which results in internal electrode and mud is little, and sludge crushing efficiency is low, also increases floor space and the energy consumption of equipment; This device lignin-sludge and alkaline purification equipment are used in conjunction, and there is the deficiencies such as added amount of chemical is large, complicated operation.
The patent No. be 201220169568.2 utility model patent disclose carbon source development & application is carried out in a kind of utilization waste disposal plant from raw sludge, ozonizer is installed on second pond in the broken wall sludge return pipe of biochemistry pool, utilize the strong oxidation destroy microorganisms cell of ozone, organism in release cells, for the denitrogenation dephosphorizing supplementary carbon source of biology, but wherein also there are some problems, one is that residual ozone can have extremely strong killing and restraining effect to the microorganism in biochemical treatment system, to directly affect its treatment effect to waste water, ozonizer energy consumption is larger, also the running cost of Sewage Plant can be increased, two is directly be back in biochemistry pool by mud after process, and the difficulty such as cell walls utilizes, recalcitrant substance together enters, and increases the load of biochemical system.
Summary of the invention
The object of the present invention is to provide a kind of less energy-consumption, the treatment process of excess sludge Middle nutrition material that treatment effect is good and special high-pressure alternating-current pulse sludge disintegration device
Overall technical architecture of the present invention is:
The treatment process of excess sludge Middle nutrition material, comprises following processing step:
A, modified: in the mud in storage basin, to add ionogen Na
2sO
4;
B, mud broken wall or rupture of membranes: after adding electrolytical sludge filtration in steps A, pump in high-voltage alternating pulse sludge disintegration device after speed governing sludge pump, under meter metering, in high-voltage alternating pulse sludge disintegration device, in mud microorganism cells film or cell walls thinning under high-voltage electric field stress, broken, discharge the nutritive substance in mud in microorganism;
C, mud-water separation: leave standstill in step B through the sludge settling of broken wall or rupture of membranes process, carry out mud-water separation;
D, supernatant liquor inject biochemical system: settling tank supernatant liquor enters biochemistry pool through nutritive medium make-up pump, for microorganism in biochemical system provides carbon source and nutritive substance.
A treatment process special high-pressure alternating-current pulse sludge disintegration device for excess sludge Middle nutrition material, the mud inlet at the anterior and rear portion of mud flowing pipe that comprises mud flowing pipe, is located at the joint flange at mud flowing pipe two ends, is opened in and mud mouth, the power supply being arranged at the electrode in mud flowing pipe and being electrically connected with electrode; Described electrode is at least two and is distributed in mud flowing pipe, and power supply selects the high-voltage alternating pulse power.
Can it is evident that, for ease of the layout of electrode and the connection with power supply, preferred technical scheme is, the outer wall of mud flowing pipe is provided with the outer electrode head be electrically connected with electrode.
Concrete technical solution of the present invention also has:
For ease of increasing electrolytical content in mud, act synergistically with electrical forces and improve the molten born of the same parents effect of high-voltage alternating pulsed electrical field to microorganism in mud, preferred technical scheme is, Na in described steps A
2sO
4dosage is 0.04-0.06mmol/gDS, and reaction times 10-20 minute, gDS are every gram of mud dry weight.
For reaching, good rupture of membranes or broken wall treatment are carried out to microorganism cells in mud, preferred technical scheme is, the crest voltage of described step B mesohigh alternating-current pulse sludge disintegration device is 30-90kV, frequency is 10-50kHZ, and the time that mud carries out rupture of membranes or broken wall treatment in high-voltage alternating pulse sludge disintegration device is 20-90 minute.
For ease of obtaining better mud-water separation effect, ensure the abundant stripping of the nutritive substance in the mud of broken wall or rupture of membranes process in microorganism, preferred technical scheme is, in step C, the precipitation time of repose of mud is 1-2 hour.
For meeting fully contacting of electrode and mud, realize for the better broken wall of microorganism cells in mud or rupture of membranes treatment effect, preferred technical scheme is, described electrode runs parallel is uniformly at intervals in mud flowing pipe.
More preferred technical scheme is, described electrode is three.
For ensureing the safe and reliable of circuit layout, common structure design is that sludge stream is provided with earthing pole outside tube wall.
For making mud fully contact for a long time with electrode, to obtain better treatment effect, preferred technical solution is that sludge stream is provided with traverse baffle through tube wall, and traverse baffle extends vertically and is vertical parallel spaced apart.
For making mud fully contact with electrode, further preferred design is, described mud flowing pipe is for being obliquely installed, and the mud inlet of its front portion is lower than the mud mouth at rear portion.
The inclined design of mud flowing pipe structurally can adopt various ways, does not all depart from technical spirit of the present invention, and wherein comparatively common technical implementation way is that described sludge stream is provided with support through tube outer surface.
For the technique effect acquired by checking the present invention, applicant carried out following test:
(1) supernatants after precipitation is through uv scan, there is stronger absorption at 260nm and 280nm place, illustrate that protein, nucleic acid are present in (260nm, 280nm are respectively the region, uv-absorbing peak of protein and nucleic acid) in the aqueous phase of mud because of nutraceutical precipitation.
(2) after the process of high-voltage decomposition device, the COD of mud improves 5-12 doubly than untreated front COD, supplement the supernatant liquor of mud precipitation in biochemistry pool after, the kind of microscopic examination microorganism and quantity, characterize the effluent quality good microorganism quantity showed increased such as (campanularian, branch worm, the fine worm of Parapet, worms on a sucker, wheel animalcule, roaming worm), effluent quality significantly improves, and wherein COD, ammonia nitrogen, total nitrogen, total phosphorus index are all significantly less than the untreated front index run of mud.
The substantive distinguishing features that the present invention possesses and the remarkable technical progress obtained are:
1, at the processing step that modified rear design is filtered, plastics in mud, macrobead thing and fibrous material effectively can be avoided to enter in system, cause the obstruction of pipeline, mud flowing pipe.
2, than the technology utilizing mud as carbon source at present, the present invention by precipitation will be easy to biodegradable supernatant liquor extract after as nutritive substance, and the materials such as difficult degradation cell walls after not cracked by microorganism are added in biochemistry pool in the lump, avoid the problem increasing biochemical system processing load.
3, the voltage of mesohigh pulse sludge disintegration device of the present invention, frequency can regulate according to the proterties of different mud, all can reach good treatment effect to different mud, applied widely.The pulsed electric field produced can directly act on mud, and capacity usage ratio is high, and energy consumption little (being only 15-25W), lower than like product.
4, this device adopts alternating-current to produce the high-voltage alternating pulse power, comparatively direct current better effects if.Alternating-current pulse electric field due to high pressure generation exists only in the surrounding them in mud flowing pipe, therefore electrode is distributed in mud flowing pipe by the present invention, thus make the high-voltage alternating pulsed electrical field region of generation be covered with mud flowing pipe, increase the contact area of electric field and mud, improve sludge treatment efficiency, reduce material to drop into and manpower construction, reduce floor space and the energy consumption of equipment.
5, the traverse baffle arranged in mud flowing pipe, is fold-line-shaped motion when making mud in mud flowing pipe, increases the residence time of mud in pipe, extend electric field action in the time of mud, improve the processing efficiency of equipment to mud compared with straight pipe shape.The existence of traverse baffle simultaneously also increases the hydraulic shear of system to mud, and under electrical forces and waterpower acting in conjunction, the treatment effect of mud is better.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention.
Fig. 2 is the structural representation of mesohigh pulse sludge disintegration device of the present invention.
Fig. 3 is the vertical view of Fig. 2.
Reference numeral in accompanying drawing is as follows:
1, joint flange; 2, mud inlet; 3, the high-voltage alternating pulse power; 4, outer electrode head; 5, mud flowing pipe; 6, traverse baffle; 7, electrode; 8, mud mouth; 9, earthing pole; 10, support.
Embodiment
Below in conjunction with embodiment, the present invention is described further; but it is not as a limitation of the invention; the content that protection scope of the present invention is recorded with claim is as the criterion, and any equivalent technical elements of making according to specification sheets is replaced, and does not all depart from protection scope of the present invention.
Embodiment
The treatment process of excess sludge Middle nutrition material, comprises following processing step:
A, modified: in the mud in storage basin, to add ionogen Na
2sO
4;
B, mud broken wall or rupture of membranes: after adding electrolytical sludge filtration in steps A, pump in high-voltage alternating pulse sludge disintegration device after speed governing sludge pump, under meter metering, in high-voltage alternating pulse sludge disintegration device in mud microorganism cells film or cell walls thinning under high-voltage electric field stress, broken, discharge the nutritive substance in mud in microorganism;
C, mud-water separation: leave standstill in step B through the sludge settling of broken wall or rupture of membranes process, carry out mud-water separation;
D, supernatant liquor inject biochemical system: settling tank supernatant liquor enters biochemistry pool through nutritive medium make-up pump, for microorganism in biochemical system provides carbon source and nutritive substance.
A treatment process special high-pressure alternating-current pulse sludge disintegration device for excess sludge Middle nutrition material, the mud inlet 2 at the anterior and rear portion of mud flowing pipe 5 that comprises mud flowing pipe 5, is located at the joint flange 1 at mud flowing pipe 5 two ends, is opened in and mud mouth 8, the power supply being arranged at the electrode 7 in mud flowing pipe 5 and being electrically connected with electrode 7; Described electrode 7 is three and is distributed in mud flowing pipe 5, and power supply selects the high-voltage alternating pulse power 3.
The outer wall of mud flowing pipe 5 is provided with the outer electrode head 4 be electrically connected with electrode 7.
Na in described steps A
2sO
4dosage is 0.04-0.06mmol/gDS, and reaction times 10-20 minute, gDS are every gram of mud dry weight.
The crest voltage of described step B mesohigh alternating-current pulse sludge disintegration device is 30-90kV, and frequency is 10-50kHZ, and the time that mud carries out rupture of membranes or broken wall treatment in high-voltage alternating pulse sludge disintegration device is 20-90 minute.
In step C, the precipitation time of repose of mud is 1-2 hour.
Described electrode 7 parallel interval is distributed in mud flowing pipe 5.
Earthing pole 9 is provided with outside mud flowing pipe 5 tube wall.
Mud flowing pipe 5 tube wall is provided with traverse baffle 6, and traverse baffle 6 extends vertically and is vertical parallel spaced apart,
Described mud flowing pipe 5 is for being obliquely installed, and the mud inlet 2 of its front portion is lower than the mud mouth 8 at rear portion.
Described mud flowing pipe 5 outside surface is provided with support 10.
Applicant has carried out following test to technical scheme in embodiment:
1, in certain manufacturing district sewage treatment plant inflow, inorganic particle accounts for major part, organism and other desired nutritional material concentrations low, water inlet average CODcr value is at 100mg/L, enough materials cannot be provided for microorganism eubolism, therefore have a strong impact on its treatment effect to waste water, wherein water outlet CODcr is between 60-80mg/L, and ammonia nitrogen is between 10-15mg/L, total nitrogen is between 25-35mg/L, and total phosphorus is at about 3mg/L.For solving the problem of microbe carbon source and nutritive substance shortage, excess sludge is processed.First modified mud 10 minutes, Na
2sO
4dosage is 0.04mmol/gDS, with high-voltage alternating pulse sludge disintegration device lignin-sludge after filtering, the crest voltage regulating ac high-voltage electricimpulse sludge disintegration device is 30kV, frequency is 20kHZ, rupture of membranes or broken wall treatment enter settling tank and leave standstill 1 hour after 20 minutes, result shows, mud CODcr is increased to 210mg/L by 39mg/L after treatment, can be biochemical system and part carbon source and nutritive substance are provided, sewage effluents CODcr is reduced to 39mg/L, ammonia nitrogen is reduced to 4mg/L, total nitrogen is reduced to 10mg/L, total phosphorus is reduced to 0.6mg/L, effluent index is lower than " urban wastewater treatment firm pollutant emission standard " GB18918-2002 one-level A standard.
2, first modified mud 15 minutes, Na
2sO
4dosage is 0.04mmol/gDS, with high-voltage alternating pulse sludge disintegration device lignin-sludge after filtering, the crest voltage regulating ac high-voltage electricimpulse sludge disintegration device is 45kV, frequency is 10kHZ, rupture of membranes or broken wall treatment enter settling tank and leave standstill 1 hour after 60 minutes, result shows, mud COD is increased to 320mg/L by 46mg/L after treatment, can be biochemical system and part carbon source and nutritive substance are provided, sewage effluents CODcr is reduced to 28mg/L, ammonia nitrogen is reduced to 3mg/L, total nitrogen is reduced to 9mg/L, total phosphorus is reduced to 0.5mg/L, effluent index is lower than " urban wastewater treatment firm pollutant emission standard " GB18918-2002 one-level A standard.
3, first modified mud 15 minutes, Na
2sO
4dosage is 0.05mmol/gDS, with high-voltage alternating pulse sludge disintegration device lignin-sludge after filtering, the crest voltage regulating ac high-voltage electricimpulse sludge disintegration device is 60kV, frequency is 40kHZ, rupture of membranes or broken wall treatment enter settling tank and leave standstill 1.5 hours after 40 minutes, result shows, mud COD is increased to 500mg/L by 51mg/L after treatment, can be biochemical system and part carbon source and nutritive substance are provided, sewage effluents CODcr is reduced to 31mg/L, ammonia nitrogen is reduced to 3.6mg/L, total nitrogen is reduced to 6mg/L, total phosphorus is reduced to 0.3mg/L, effluent index is lower than " urban wastewater treatment firm pollutant emission standard " GB18918-2002 one-level A standard.
4, first modified mud 20 minutes, Na
2sO
4dosage is 0.05mmol/gDS, with high-voltage alternating pulse sludge disintegration device lignin-sludge after filtering, the crest voltage regulating ac high-voltage electricimpulse sludge disintegration device is 75kV, frequency is 30kHZ, rupture of membranes or broken wall treatment enter settling tank after 75 minutes and leave standstill 2h, result shows, mud COD is increased to 576mg/L by 48mg/L after treatment, can be biochemical system and part carbon source and nutritive substance are provided, sewage effluents CODcr is reduced to 20mg/L, ammonia nitrogen is reduced to 2.5mg/L, total nitrogen is reduced to 5mg/L, total phosphorus is reduced to 0.3mg/L, effluent index is lower than " urban wastewater treatment firm pollutant emission standard " GB18918-2002 one-level A standard.
5, first modified mud 20 minutes, Na
2sO
4dosage is 0.06mmol/gDS, with high-voltage alternating pulse sludge disintegration device lignin-sludge after filtering, the crest voltage regulating ac high-voltage electricimpulse sludge disintegration device is 90kV, frequency is 50kHZ, rupture of membranes or broken wall treatment enter settling tank and leave standstill 2 hours after 90 minutes, result shows, mud COD is increased to 380mg/L by 42mg/L after treatment, can be biochemical system and part carbon source and nutritive substance are provided, sewage effluents CODcr is reduced to 35mg/L, ammonia nitrogen is reduced to 4mg/L, total nitrogen is reduced to 7mg/L, total phosphorus is reduced to 0.5mg/L, effluent index is lower than " urban wastewater treatment firm pollutant emission standard " GB18918-2002 one-level A standard.
After being supplemented to water factory using the mud supernatant liquor after the process of high-voltage alternating electricimpulse sludge disintegration device as nutritive substance, the processing efficiency of microorganism in water factory's biochemical system to waste water significantly improves, compared with the utility model acquired results being 201220169568.2 with the patent No., have clear improvement.
CODcr, ammonia nitrogen, total nitrogen, total phosphorus yield in the present embodiment, all that the mud after cracking through high-voltage alternating pulse sludge disintegration device is staticly settled, get supernatant liquor to measure, measure the method specified by " water and waste water method for monitoring and analyzing " Chinese Home and carry out.
Claims (11)
1. the treatment process of excess sludge Middle nutrition material, is characterized in that comprising following processing step:
A, modified: in the mud in storage basin, to add ionogen Na
2sO
4;
B, mud broken wall or rupture of membranes: after adding electrolytical sludge filtration in steps A, pump in high-voltage alternating pulse sludge disintegration device after speed governing sludge pump, under meter metering, in high-voltage alternating pulse sludge disintegration device, in mud microorganism cells film or cell walls thinning under high-voltage electric field stress, broken, discharge the nutritive substance in mud in microorganism;
C, mud-water separation: leave standstill in step B through the sludge settling of broken wall or rupture of membranes process, carry out mud-water separation;
D, supernatant liquor inject biochemical system: settling tank supernatant liquor enters biochemistry pool through nutritive medium make-up pump, for microorganism in biochemical system provides carbon source and nutritive substance.
2. the treatment process of excess sludge Middle nutrition material according to claim 1, is characterized in that Na in described steps A
2sO
4dosage is 0.04-0.06mmol/gDS, and reaction times 10-20 minute, gDS are every gram of mud dry weight.
3. the treatment process of excess sludge Middle nutrition material according to claim 1, the crest voltage that it is characterized in that described step B mesohigh alternating-current pulse sludge disintegration device is 30-90kV, frequency is 10-50kHZ, and the time that mud carries out rupture of membranes or broken wall treatment in high-voltage alternating pulse sludge disintegration device is 20-90 minute.
4. the treatment process of excess sludge Middle nutrition material according to claim 1, is characterized in that the precipitation time of repose of mud in described step C is 1-2 hour.
5. a treatment process special high-pressure alternating-current pulse sludge disintegration device for excess sludge Middle nutrition material, the mud inlet (2) at the anterior and rear portion of mud flowing pipe (5) that comprises mud flowing pipe (5), is located at the joint flange (1) at mud flowing pipe (5) two ends, is opened in and mud mouth (8), the power supply being arranged at the electrode (7) in mud flowing pipe (5) and being electrically connected with electrode (7); It is characterized in that described electrode (7) is at least two and is distributed in mud flowing pipe (5), power supply selects the high-voltage alternating pulse power (3).
6. high-voltage alternating pulse sludge disintegration device according to claim 5, is characterized in that described electrode (7) parallel interval is distributed in mud flowing pipe (5).
7. high-voltage alternating pulse sludge disintegration device according to claim 5, is characterized in that described electrode (7) is three.
8. high-voltage alternating pulse sludge disintegration device according to claim 5, is characterized in that being provided with earthing pole (9) outside described mud flowing pipe (5) tube wall.
9. high-voltage alternating pulse sludge disintegration device according to claim 5, it is characterized in that described mud flowing pipe (5) tube wall is provided with traverse baffle (6), traverse baffle (6) extends vertically and is vertical parallel spaced apart.
10. the high-voltage alternating pulse sludge disintegration device according to any one of claim 5-9, it is characterized in that described mud flowing pipe (5) is for being obliquely installed, and the mud inlet of its front portion (2) is lower than the mud mouth (8) at rear portion.
11. high-voltage alternating pulse sludge disintegration devices according to claim 10, is characterized in that described mud flowing pipe (5) outside surface is provided with support (10).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298778A (en) * | 2017-12-27 | 2018-07-20 | 武汉都市环保工程技术股份有限公司 | Sludge cell wall breakage system and method based on high voltage pulse shaped wire |
| CN109437503A (en) * | 2018-12-26 | 2019-03-08 | 齐鲁工业大学 | A kind of technique and method of paper mill sludge minimizing |
| CN109912138A (en) * | 2017-12-13 | 2019-06-21 | 中国石油化工股份有限公司 | A kind of residual active sludge desiccation processing method |
| CN112028419A (en) * | 2020-09-14 | 2020-12-04 | 河北冠星环保科技有限公司 | Treatment method for sludge reduction, resource utilization and activity improvement and special equipment thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3716516B2 (en) * | 1996-11-14 | 2005-11-16 | 栗田工業株式会社 | Method and apparatus for aerobic treatment of organic drainage |
| CN102241462A (en) * | 2011-06-14 | 2011-11-16 | 重庆大学 | Bypass sludge reduction and silt separation and denitrification and dephosphorization waste water treatment system and method |
| CN104478074A (en) * | 2014-12-31 | 2015-04-01 | 天津凯英科技发展有限公司 | Sewage denitrification system and method |
| CN104692604A (en) * | 2015-03-20 | 2015-06-10 | 东北大学 | Device using high-voltage pulsed discharge to break excess sludge and application method thereof |
| CN204874227U (en) * | 2015-08-12 | 2015-12-16 | 嘉诚环保工程有限公司 | High voltage pulse mud decomposition device |
-
2015
- 2015-08-12 CN CN201510492306.8A patent/CN105016594B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3716516B2 (en) * | 1996-11-14 | 2005-11-16 | 栗田工業株式会社 | Method and apparatus for aerobic treatment of organic drainage |
| CN102241462A (en) * | 2011-06-14 | 2011-11-16 | 重庆大学 | Bypass sludge reduction and silt separation and denitrification and dephosphorization waste water treatment system and method |
| CN104478074A (en) * | 2014-12-31 | 2015-04-01 | 天津凯英科技发展有限公司 | Sewage denitrification system and method |
| CN104692604A (en) * | 2015-03-20 | 2015-06-10 | 东北大学 | Device using high-voltage pulsed discharge to break excess sludge and application method thereof |
| CN204874227U (en) * | 2015-08-12 | 2015-12-16 | 嘉诚环保工程有限公司 | High voltage pulse mud decomposition device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109912138A (en) * | 2017-12-13 | 2019-06-21 | 中国石油化工股份有限公司 | A kind of residual active sludge desiccation processing method |
| CN109912138B (en) * | 2017-12-13 | 2021-12-07 | 中国石油化工股份有限公司 | Drying processing method for residual activated sludge |
| CN108298778A (en) * | 2017-12-27 | 2018-07-20 | 武汉都市环保工程技术股份有限公司 | Sludge cell wall breakage system and method based on high voltage pulse shaped wire |
| CN108298778B (en) * | 2017-12-27 | 2023-09-29 | 中冶南方都市环保工程技术股份有限公司 | Sludge cell wall breaking system and method based on high-voltage pulse forming line |
| CN109437503A (en) * | 2018-12-26 | 2019-03-08 | 齐鲁工业大学 | A kind of technique and method of paper mill sludge minimizing |
| CN112028419A (en) * | 2020-09-14 | 2020-12-04 | 河北冠星环保科技有限公司 | Treatment method for sludge reduction, resource utilization and activity improvement and special equipment thereof |
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| CN105016594B (en) | 2017-07-04 |
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