CN201678597U - Sludge and household garbage integration treatment equipment of urban sewage treatment plant - Google Patents
Sludge and household garbage integration treatment equipment of urban sewage treatment plant Download PDFInfo
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- CN201678597U CN201678597U CN2010201925825U CN201020192582U CN201678597U CN 201678597 U CN201678597 U CN 201678597U CN 2010201925825 U CN2010201925825 U CN 2010201925825U CN 201020192582 U CN201020192582 U CN 201020192582U CN 201678597 U CN201678597 U CN 201678597U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model relates to sludge and household garbage integration treatment equipment of an urban sewage treatment plant, which comprises an inner loop sludge concentration and digestion integration reactor and a household garbage bin which are not communicated with each other, wherein the inner loop sludge concentration and digestion integration reactor comprises an external sludge bin and an internal sludge bin, the external sludge bin is formed by a space between a shell of a reactor and an internal shell thereof, the internal sludge bin is positioned at the center of the reactor, is formed by the space enclosed by the internal shell, and the household garbage bin is wrapped on the outer layer of the inner loop sludge concentration and digestion integration reactor. The utility model adopts anaerobic composting to guarantee good garbage composting effect in summer with high temperature by adopting garbage bin anaerobic composting technology, and the gas generated by the anaerobic composting can be used for mixing in the sludge bin so as to improve the anaerobic digestion of the sludge, aerobic composting is adopted in winter and other periods with low temperature so as to guarantee the good composting effect, the process of the anaerobic digestion of the sludge bin can absorb heat from the process of the composting of the garbage bin so as to guarantee the temperature conditions required by the sludge digestion to the intermediate temperature and high temperature, direct external heating is free, and the energy consumption in the process of the sludge and garbage treatment can be reduced.
Description
Technical field
The utility model belongs to technical field of sludge treatment.
Background technology
Along with the innovation of urban sewage treatment technology, the in-depth of degree of treatment and the raising of processing rate, the generation of mud is also in continuous increase, and the mud problem has become a current overall situation problem that influences urban development.Therefore, properly processing seems particularly necessary with disposing sludge.Simultaneously along with quickening of urbanization process, the output of domestic refuse is also increasing year by year, organic content in the rubbish also increases along with the raising of living standards of the people, anaerobic composting (digestion) is as the technology of domestic rubbish disposal (sludge stabilizing), have rubbish and sludge volume, the pathogenic microbe killing of minimizing, improve rubbish and advantages such as mud performance, generation biogas, thereby enjoy investigator's concern always.
How properly disposing sewage work's generation mud is one of deciding factor of sewage purification success or not.Containing a large amount of biomass energies in the mud, they generally have bio-degradable.Effectively utilize this biolobic material energy, pollute, realize that to reducing mud the Sustainable development of environment and economy is significant.The anaerobic digestion of municipal sludge is one of important method in the sludge treatment, anaerobic digestion be sludge treatment commonly used subtract the appearance stabilization process, have advantages such as energy consumption is low, mud good stability, generation biogas, the maximum characteristics of comparing the anaerobic digestion operation with aerobic sigestion are to carry out in special sealing anaerobic reactor, so to having relatively high expectations of equipment, the temperature range that is adopted according to reaction can be divided into: low-temperature digestion (20 ℃), mesophilic digestion (30 ℃-37 ℃) and thermophilic digestion (45 ℃-55 ℃).The final product of anaerobic digestion is carbonic acid gas and methane gas.Mud can reclaim a part of resource simultaneously through reaching the purpose of minimizing and stabilization after the anaerobic digestion, alleviates the burden of subsequent processes.This method at home and abroad is widely used, but this technology exists low, the fluctuation of service of load, and equipment requirements height, postdigestive moisture percentage in sewage sludge are than problems such as height.Along with applying of dirty water living creature processing technique, anaerobic digestion has wide development space.
Concentrate anaerobic digestion reaction vessel for small-sized internal recycle mud, mud handling capacity is few, and self anaerobic digestion heat production is difficult to reach the temperature requirement of mesophilic digestion, generally needs extra heat input.Type of heating generally adopts direct heating.This has just additionally increased the working cost of sludge handling process.
The compost of domestic refuse can be divided into two kinds of aerobic compost and anaerobic compostings to the composting process according to the supply situation of oxygen in the composting process.Aerobic compost is good in ventilation condition, and by the vital movement degradation of organic substances of aerobic microbiological, aerobic compost heap temperature is high, generally relatively good in the time of 55-60 ℃ usually, so aerobic compost is also referred to as During High-Temperature Composting under the competent condition of oxygen; Anaerobic composting then be under poor, the oxygen condition of ventilation condition by the anaerobion fermented manure, anaerobic composting rubbish temperature generally maintains 30-40 ℃.This experimental study is mainly considered from the angle that samll cities and towns' refuse (domestic refuse) utilizes again, solves the heat input problem in the sludge anaerobic treating processes.
At present, with the close-coupled processing report that yet there are no of sludge of sewage treatment plant and domestic waste associating, the many of research is to utilize certain biochemical reactor that mud or domestic waste are carried out individual curing or mixed fermentation.
Summary of the invention
The purpose of this utility model is the problems referred to above at the prior art existence, a kind of urban wastewater treatment firm mud and domestic refuse integrated equipment for wastewater treatment are proposed, handle urban wastewater treatment firm mud and domestic refuse simultaneously, mud can be reduced to about 92% by 99% through water ratio after the anaerobic digestion, the mud organic content can reduce 20%-40%, and the dewatering of mud is significantly improved; After handling, consumer garbage compost can be used as purposes such as urban afforestation fertilizer.
The technical solution of the utility model is as follows:
A kind of urban wastewater treatment firm mud and domestic refuse integrated equipment for wastewater treatment, described equipment is made up of integrated inner circulating mud concentrating and digesting reactor and domestic rubbish disposal storehouse two portions, and two processing storehouses are not connected.
Described integrated inner circulating mud concentrating and digesting reactor has a shell and is arranged on the inner chamber of shell first half central authorities, forms two sludge treatment storehouses: storehouse in outer storehouse of mud and the mud.
The outer position in storehouse of mud is to be formed by the shell of reactor and the space between the inner chamber in the reactor periphery, and position in storehouse is in the middle of reactor in the mud, be to form jointly by the Lower Half of shell and the space in the inner chamber, the Lower Half of shell is shunk, and is contracted to bore and inner chamber is suitable, with inner chamber over against; Bottom, the outer storehouse of mud is connected to into mud pipe, and the top then is provided with effluent weir and water shoot, and the top in storehouse also is provided with triphase separator outside mud, and the gas that the storehouse produces outside mud enters in the gas-liquid separator by ventilating pit after triphase separator separates.
The gas-liquid separator top is connected to the biogas pipe, the biogas pipe by scrubbing bottle after, again in the access set gas tank.The gas-liquid separator bottom is connected to inner circulating tube, and this pipe extends mud Nei Cang bottom downwards.Inner circulating tube is separated into two sections, and on the tube wall of the lower end of epimere, leave water hole, left the water air passing hole on the tube wall of the upper end of hypomere, the bottom, lower end of the hypomere of inner circulating tube connects the gas backstreaming pipe that inserts from the outside, and the gas backstreaming pipe is connected with the plenum chamber of external belt recycle pump.
The bottom in storehouse is that the bottom of shell is funnel shaped mud compression zone in the mud, and shore pipe is established in the bottom of mud compression zone;
Described trash repository is outside integrated inner circulating mud concentrating and digesting reactor, the top of trash repository is provided with garbage inlet, the below is provided with the rubbish discharge hole, in trash repository, be provided with aeration tube, aeration tube reaches below, refuse treatment storehouse from the trash repository top always, and ventilating pit evenly is set on the aeration tube.
The process of utilizing aforesaid device to handle is as follows:
Utilize mode artificial or that pump is inhaled that mud is sent into a high position and join mud box, mud adopts intermittent mode to rely on action of gravity to enter in the outer storehouse of mud, concentrate and preliminary mud-water separation through gravity, the mud that precipitates enters into storehouse in the mud through the water hole of bottom, the outer storehouse of mud, carrying out concentrating, assimilating in mud in the storehouse handles, realize air water via triphase separator then, the separation of muddy water, digested sludge is discharged by bottom, storehouse shore pipe in the mud, biogas then enters scrubbing bottle by the biogas pipe at gas-liquid separator top, behind gas washing, enter plenum chamber, and be evacuated in the inner circulating tube in storehouse in the mud by recycle pump in the plenum chamber and gas return line, the biogas that refluxes overflows and enters storehouse in the mud from the water air passing hole of crossing of inner circulating tube hypomere, under the circulation of backflow biogas drives, mud to mud Nei Cang bottom stirs, and realizes the bottom circulation in storehouse in the mud; The biogas that mud Nei Cang bottom produces rises, the mixed solution that drives mud Nei Cang middle and upper part is promoted to gas-liquid separator through the biogas upcast, separated biogas enters plenum chamber by the biogas pipe, the muddy water mixed solution of separating then will reflux along the inner circulating tube epimere, be back to middle part, storehouse in the mud through water hole, realize the middle and upper part circulation in storehouse in the mud, finish the gas stirring process;
Simultaneously, the rubbish of filling some amount in the trash repository of the periphery in storehouse outside mud, the rubbish heat production aerogenesis that in trash repository, ferments, a part of heat reaches the sludge treatment storehouse for sludge digestion by the bulkhead in the outer storehouse of mud, and other a part of heat then is used to keep the temperature in the trash repository; To the trash repository air supply, and collect the waste gas that produces by gas blower and aeration tube, and do further processing by waste pipe.
The close-coupled processing device of this urban wastewater treatment firm mud and domestic refuse is primarily aimed at the resource utilization of domestic refuse and sludge of sewage treatment plant and handles, and this reactor assembly can be built in around the sewage work.This reactor assembly has solved the sludge of sewage treatment plants problem on the one hand, and the dewatering of mud is significantly improved after treatment, and the organism in the mud has obtained the decomposition of part; The end that has solved domestic waste on the other hand effectively handle and treating processes in the percolate that produced, the compost of its generation can be used as the fertilizer of conceding the land to forestry in the reservoir area of Three Gorges, and the gas that is produced in the reaction process can be used as one of energy of sewage work.
Advantage of the present utility model is as follows:
1.. urban wastewater treatment firm mud and domestic waste can be focused in same reactor.
2.. the heat that outer reactor refuse biochemical reaction process can be produced provides temperature condition for internal reaction device mud biochemical reaction process.
3.. the gas that outer reactor refuse biochemical reaction process is produced provides stirring power for internal reaction device mud biochemical reaction process.
4.. technology of being developed and equipment, can be applicable to the sewage work of samll cities and towns, sewage work and domestic rubbish disposal factory are concentrated in together, will save the expenses such as operational management of soil and treatment plant greatly.
Description of drawings
Fig. 1 is urban wastewater treatment firm mud and domestic refuse integrated equipment for wastewater treatment sectional view;
Fig. 2 is the plenum chamber sectional view of urban wastewater treatment firm mud and domestic refuse integrated equipment for wastewater treatment.
Embodiment
Describe structure of the present utility model in detail below in conjunction with accompanying drawing:
Referring to Fig. 1, this treatment facility is made up of integrated inner circulating mud concentrating and digesting reactor 1 and domestic rubbish disposal storehouse 4 two portions, and reactor and processing storehouse are not connected.
Integrated inner circulating mud concentrating and digesting reactor has two sludge treatment storehouses: storehouse 3 in outer storehouse 2 of mud and the mud.
The outer storehouse 2 of mud is positioned at the reactor first half, is to be formed by the shell of reactor and the space between the inner chamber.
Storehouse 3 is positioned in the middle of the reactor in the mud, is to be formed jointly by the Lower Half of shell and the space in the inner chamber, and the Lower Half of shell is shunk, and is contracted to bore and inner chamber is suitable, with inner chamber over against, promptly with mud in storehouse 3 bottom continued accesses.
Outer 3 bottoms, storehouse of mud are connected to into mud pipe 20, are provided with between the storehouse 3 in bottom and the mud to be used for the through hole 11 that water is crossed mud, and the top then is provided with effluent weir 10 and water shoot 14.
The top in storehouse 2 also is provided with triphase separator 7 outside mud, and the top is provided with ventilating pit 12, aeration liquid separator 9.
The top in storehouse 3 upwards connects gas-liquid separator 9 by biogas upcast 26 in the mud.Gas-liquid separator 9 bottoms connect inner circulating tube 5, and this pipe extends 3 bottoms, storehouse in the mud downwards.
Inner circulating tube 5 is separated into two sections, and on the tube wall of the upper end of the lower end of epimere and lower end, leave and be used for water or crossed the through hole 11 that water is crossed gas, the bottom, lower end of inner circulating tube 5 connects the gas backstreaming pipe 18 that inserts from the outside, and gas backstreaming pipe 18 is connected with the plenum chamber 17 of external belt recycle pump.
Gas-liquid separator 9 tops are connected to biogas pipe 13, and biogas pipe 13 is by scrubbing bottle 16, again in the access set gas tank 17.
Under the drive of gas backstreaming pipe 18 backflow biogas, circulation is at first realized in the bottom of inner circulating tube 5; The biogas of Hui Liuing is crossed vent hole 11 and is overflowed and enter in the mud the storehouse 3 from the water of crossing of lower part of inner circulating tube 5 then, the biogas that storehouse 3 produces in mud rises, and the mixed solution of 3 middle and upper parts, storehouse is promoted to gas-liquid separator 9 through biogas upcast 26 in the drive mud, separated biogas enters plenum chamber 17 again by biogas pipe 13, the muddy water mixed solution of separating then will be got back to 3 middle parts, storehouse in the mud along inner circulating tube, realize the circulation of middle and upper part, internal reaction chamber.
The bottom in storehouse 3 is that the bottom of shell is funnel shaped mud compression zone 6 in the mud, and shore pipe 19 is established in the bottom of mud compression zone 6.The upper, middle and lower portion in storehouse 3 has picked out thief hole 15 respectively in storehouse 2 and the mud outside mud.The top in storehouse 2 also is connected to waste discharge tracheae 27 outside mud
Trash repository 4 is outside integrated inner circulating mud concentrating and digesting reactor 1,4 tops, refuse treatment storehouse are provided with garbage feeding hole 21, the below is provided with rubbish discharge hole 22, be provided with aeration tube 24 in the trash repository, aeration tube 24 reaches the trash repository below from the trash repository top always, and ventilating pit evenly is set on the aeration tube 24.
Referring to Fig. 2, plenum chamber 17 is hollow rectangular structure, in be provided with a recycle pump, on the shell of rectangular parallelepiped, leave nearly air inlet mouth of pipe A (tapping into tracheae), the mouth of pipe B (picking out tracheae) that gives vent to anger, supply lead inlet C and reserved opening D.The gas that produces from mud Nei Cang and outer storehouse is by 13 collections of biogas pipe, after scrubbing bottle 16 purifies, enter in the plenum chamber by air inlet mouth of pipe A again, enter in the aeration tube by recycle pump and escape pipe, gas returns in the plenum chamber by the biogas pipe at last, finishes the working cycle of gas.
Entire treatment equipment useful volume is 710L, the about 110L of sludge treatment storage capacity wherein, the about 600L of refuse treatment storage capacity.Height for reactor is 1.55m.Mud is joined mud box 25 by a high position and is injected mud, and a high position is joined in the mud box 25 constant-current device is installed, and plays a part to regulate and constant rate, advances mud employing intermittent mode.Mud carries out the concentrating, assimilating processing through the sludge bin that a high position is joined mud box 25 access arrangements, and digested sludge is discharged by reactor bottom shore pipe 19, and supernatant liquor is discharged by reactor effluent weir 10, by water tank metering supernatant liquor volume.Compost treatment is carried out to domestic refuse in the refuse treatment storehouse, wherein the biogas that carries out producing when anaerobic composting is handled when the refuse treatment storehouse plays the effect of stirring to the anaerobic digestion of sludge bin, and the biogas that anaerobic sludge digestion produces by the gas-liquid separator top after scrubbing bottle 16, a part is stored in the plenum chamber 17 and stirs with the internal recycle that is used for mud, unnecessary part drains into outdoor through the wet test meter metering, the heat of garbage compost generation simultaneously can provide heat to sludge bin sludge digestion reaction, can guarantee the needed temperature condition of anaerobic sludge digestion.
Inner circulating mud concentrating and digesting technical finesse mud is adopted in the sludge treatment storehouse; The refuse treatment storehouse both can have been adopted the anaerobic composting technology also can adopt the aerobic compost technology to carry out townm refuse and handled.Sludge bin and trash repository do not have direct exchange of substance, the trash repository composting technology adopts anaerobic composting can guarantee the garbage compost effect that self is good at summer temperature high period, and the gas that anaerobic composting produced can be used to the stirring of sludge bin, and then improves the anaerobic digestion effect of mud; Adopt aerobic compost low period at the equitemperature in winter, can guarantee good compost effect; Can draw middle temperature or the high temperature needed temperature condition of heat in the composting process of slave unit trash repository in the anaerobic digestion process of sludge bin, and not need direct external heat source, can reduce the energy consumption of mud and refuse treatment process with the assurance sludge digestion.
Reactor start-up is got urban wastewater treatment firm mud as seed sludge (inoculum size is 60L), advance mud 10L afterwards every day, after five days in the sludge bin mud reach maximum volume, reactor for steady running during through the 30d left and right sides under the situation of 10L, is finished startup at load.Internal recycle in the sludge bin treating processes carries out the circulation stirring of sludge bin by the recycle pump of external plenum chamber.Operating period mainly is the influence and the concentrating, assimilating effect of sludge bin under different organic loadings of investigating the internal storehouse of gas, the temperature anaerobic sludge digestion process that the domestic refuse anaerobic compost is produced in the reactor trash repository.
Under the condition of aerobic compost, the trash repository leavening temperature can guarantee the temperature condition (30-40 ℃) of sludge bin mesophilic digestion in the time of 35-40 ℃, and the mud after the processing has good dewatering and organic content significantly decreases.
The water ratio of mud can be reduced to about 92% from about 99% after the sludge bin anaerobic digestion, and the contained organic matter of mud can reduce 20-40% after anaerobic digestion, improved the dewatering of mud greatly.
Claims (1)
1. urban wastewater treatment firm mud and domestic refuse integrated equipment for wastewater treatment is characterized in that:
Described equipment is made up of integrated inner circulating mud concentrating and digesting reactor and domestic refuse storehouse two portions;
Described integrated inner circulating mud concentrating and digesting reactor (1) is made up of storehouse (3) in outer storehouse (2) of mud and the mud;
The outer storehouse (2) of mud is to be formed by the shell of reactor and the space between the inner casing, and storehouse (3) is positioned at reactor center in the mud, is to be formed by the space that inner casing centers on;
Shrink the bottom in the outer storehouse (2) of described mud, and it is suitable to be contracted to the interior storehouse (3) of bore and mud, with storehouse in the mud (3) bottom continued access;
The outer bottom, storehouse (2) of described mud is provided with into mud pipe (20), joins mud box (25) with the high position of outside and is connected, is provided with between the interior storehouse (3) of bottom and mud to be used for water and to cross the through hole of mud (11), and the top then is provided with effluent weir (10) and water shoot (14);
The top in storehouse outside mud (2) also is provided with triphase separator (7), and the gas that storehouse outside mud (2) produce enters in the gas-liquid separator (9) by ventilating pit (12) after triphase separator (7) separates;
Described gas-liquid separator (9) top picks out biogas pipe (13), biogas pipe (13) by scrubbing bottle (15) after, again in the access set gas tank (17); Described gas-liquid separator (9) bottom is connected to inner circulating tube (5), and this pipe extends bottom, storehouse (3) in the mud downwards;
Described inner circulating tube (5) is separated into two sections, and leaves water or crossed the through hole (11) that water is crossed gas on the upper end tube wall of upper and lower section of the lower end of epimere tube wall; The bottom, lower end of inner circulating tube (5) connects the gas backstreaming pipe (18) that inserts from the outside, and gas backstreaming pipe (18) is connected with the plenum chamber (17) of external belt recycle pump;
The bottom in storehouse (3) is mud compression zone (6) in the mud, and shore pipe (19) is established in the bottom of mud compression zone (6);
Described trash repository (4) is outside integrated inner circulating mud concentrating and digesting reactor, trash repository (4) top is provided with garbage inlet (21), the below is provided with rubbish discharge hole (22), in trash repository (4), be provided with aeration tube (24), aeration tube (24) links to each other with the plenum chamber (17) of band recycle pump, reaches trash repository (4) bottom from trash repository (4) top always;
In storehouse outside mud (2) and the mud storehouse (3) on picked out thief hole (15) respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201925825U CN201678597U (en) | 2010-05-17 | 2010-05-17 | Sludge and household garbage integration treatment equipment of urban sewage treatment plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201925825U CN201678597U (en) | 2010-05-17 | 2010-05-17 | Sludge and household garbage integration treatment equipment of urban sewage treatment plant |
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| CN201678597U true CN201678597U (en) | 2010-12-22 |
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| CN2010201925825U Expired - Lifetime CN201678597U (en) | 2010-05-17 | 2010-05-17 | Sludge and household garbage integration treatment equipment of urban sewage treatment plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875528A (en) * | 2010-05-17 | 2010-11-03 | 重庆大学 | Equipment and method for integrally treating sludge and household garbage in town sewage treatment plant |
| CN102167439A (en) * | 2011-03-10 | 2011-08-31 | 朱向宏 | Energy efficiency improvement device for water treatment biochemical reaction tank |
| CN108862964A (en) * | 2017-05-08 | 2018-11-23 | 兰州理工大学 | A kind of electric slaking apparatus improving sludge digestion rate using carbon nano-fiber material |
-
2010
- 2010-05-17 CN CN2010201925825U patent/CN201678597U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875528A (en) * | 2010-05-17 | 2010-11-03 | 重庆大学 | Equipment and method for integrally treating sludge and household garbage in town sewage treatment plant |
| CN102167439A (en) * | 2011-03-10 | 2011-08-31 | 朱向宏 | Energy efficiency improvement device for water treatment biochemical reaction tank |
| CN108862964A (en) * | 2017-05-08 | 2018-11-23 | 兰州理工大学 | A kind of electric slaking apparatus improving sludge digestion rate using carbon nano-fiber material |
| CN108862964B (en) * | 2017-05-08 | 2024-01-30 | 喀什大学 | Electric digestion device for improving sludge digestion rate by utilizing nano carbon fiber material |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20101222 Effective date of abandoning: 20120606 |