CN107382001A - A kind of urban sludge treatment device and method - Google Patents
A kind of urban sludge treatment device and method Download PDFInfo
- Publication number
- CN107382001A CN107382001A CN201710660972.7A CN201710660972A CN107382001A CN 107382001 A CN107382001 A CN 107382001A CN 201710660972 A CN201710660972 A CN 201710660972A CN 107382001 A CN107382001 A CN 107382001A
- Authority
- CN
- China
- Prior art keywords
- reactor
- sludge
- input
- pyrohydrolysis
- medium temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of urban sludge treatment device and method, including preheater（1）, pyrohydrolysis acidification reactor（2）, cooler（3）, medium temperature methane phase digestion reactor（4）, desulfurizing tower（5）And dehydration device（6）, the preheater（1）Input connected with municipal sludge conveyance conduit, preheater（1）Output end and the pyrohydrolysis acidification reactor（2）Input be connected, pyrohydrolysis acidification reactor（2）Output end be connected to the cooler（3）Input, cooler（3）Output end be connected to the medium temperature methane phase digestion reactor（4）Input, medium temperature methane phase digestion reactor（4）Biogas output channel be connected to the desulfurizing tower（5）Input, medium temperature methane phase digestion reactor（4）Sludge discharge line be connected to the dehydration device（6）Input.The sludge treatment equipment treatment effeciency is high, effect is good, energy utilization rate is high.
Description
Technical field
The present invention relates to technical field of sludge treatment, and in particular to a kind of urban sludge treatment device and method.
Background technology
As China's construction of municipal effluent plant puts more effort, treatment rate of domestic sewage quickly improves, municipal sludge
Yield increases sharply, and the processing of sludge, handling problems become increasingly conspicuous.Processing of majority municipal sewage plant in China's to sludge at present
Using outward transport landfill after concentration, dehydration or as agricultural fertilizer.Biomass energy in municipal sludge is not fully used, and is caused pair
The waste of resource, the energy.Compared other sludge disposal technologies, and the decrement of sludge can be not only realized using anaerobic digestion techniques
Change, stabilize, and caused biogas can be also used for compensating the energy consumption of sewage plant by approach such as generating, belt driven blowers.
The anaerobic digestion process of sludge is one of sludge treatment technique most viable at present, and sludge is after anaerobic digestion, body
Product significantly reduces, and dewatering greatly improves, and minimizing and the stabilisation of sludge can be achieved.The municipal sewage plant in Europe
More than 80% is completely used for generating electricity using anaerobic digestion process processing sludge, caused biogas, can typically meet sewage disposal
The own demand demand of factory more than 50%, what is had can reach complete power self-support.
Municipal wastewater treatment plant of the China at present only less than 5% employs anaerobic sludge digestion technique, and few in number at this
The sewage plant using anaerobic sludge digestion technique in have that technical merit is low, and Treatment of Sludge effect is poor, and treatment efficiency is low again,
The low a series of problems of biogas utilization rate.
Therefore, improve the anaerobic digestion potential of sludge, develop new and effective anaerobic digestion process and equipment, improve sludge
Treatment effeciency and treatment effect, it is the urgent issue that China's municipal sludge sewage treatment area faces.
The content of the invention
The technical problems to be solved by the invention are to overcome the shortcomings of to mention in background above technology and defect, there is provided one
Kind efficiency of sludge treatment height, the urban sludge treatment device that effect is good, energy utilization rate is high and method.
In order to solve the above technical problems, technical scheme proposed by the present invention is：
A kind of urban sludge treatment device, including the digestion of preheater, pyrohydrolysis acidification reactor, cooler, medium temperature methane phase
Reactor, desulfurizing tower and dehydration device, the input of the preheater connect with municipal sludge conveyance conduit, the output of preheater
End is connected with the input of the pyrohydrolysis acidification reactor, described in the output end of pyrohydrolysis acidification reactor is connected to
The input of cooler, the output end of cooler are connected to the input of the medium temperature methane phase digestion reactor, medium temperature production first
The biogas output channel of alkane digestion reactor is connected to the input of the desulfurizing tower, the sludge of medium temperature methane phase digestion reactor
Discharge line is connected to the input of the dehydration device.
As the further improvement to above-mentioned technical proposal：
Preferably, the pyrohydrolysis acidification reactor is provided with the first thermocouple, on the body of pyrohydrolysis acidification reactor
Provided with the first water leg, the upper and lower ends of first water leg are connected by pipeline with a primary heater, the first water leg
One first circulation water pump is installed on the pipeline being connected with primary heater.
It is furthermore preferred that being provided with pH monitors on the pyrohydrolysis acidification reactor, pyrohydrolysis acidification reactor leads to
Cross alkali lye feed pipe with an alkali liquor storage tank to be connected, the alkali lye feed pipe is provided with alkali lye feed pump.
It is furthermore preferred that being provided with agitating device on the pyrohydrolysis acidification reactor, the agitating device includes installation
Pyrohydrolysis acidification reactor is stretched into stirring motor at the top of pyrohydrolysis acidification reactor, the rotating shaft of the stirring motor
Interior, one end that the rotating shaft is stretched into pyrohydrolysis acidification reactor is provided with multi-disc stirring vane, stirring vane described in multi-disc
Along the axial spaced set of rotating shaft.
Preferably, the medium temperature methane phase digestion reactor is provided with the second thermocouple, medium temperature methane phase digestion reactor
Body be provided with the second water leg, the upper and lower ends of second water leg are connected by pipeline with a secondary heater,
One second circulation water pump is installed on the pipeline that two water legs are connected with secondary heater.
Preferably, the dehydration device includes centrifuge and filter press, and the input of the centrifuge produces with the medium temperature
The sludge discharge line connection of methane digestion reactor, the output end of centrifuge are connected with the input of the filter press.
Preferably, the preheater is circulation water preheater；The cooler is water recirculator；The desulfurizing tower is
Biological desulphurization tower.
The technical concept total as one, another aspect of the present invention provide a kind of urban sludge treating method, in use
The city's sludge treatment equipment stated is handled municipal sludge, and it specifically includes following steps：
S1, pending municipal sludge is delivered in preheater by municipal sludge conveyance conduit preheated, be then fed into
Acidification reaction is hydrolyzed in pyrohydrolysis acidification reactor, obtains hydrolysis acidification product；
It S2, will be cooled down in hydrolysis acidification product feeding cooler obtained by step S1, it is anti-to be then fed into the digestion of medium temperature methane phase
Answer and anaerobic digestion reaction is carried out in device, obtain biogas and digested sludge；
S3, biogas obtained by step S2 is delivered in desulfurizing tower by biogas output channel carries out desulfurization, by gained digested sludge
It is delivered to by sludge discharge line in centrifuge and carries out centrifugal dehydration, pressure then is sent into the digested sludge after centrifugal dehydration again
Pressure treatment is carried out in filter.
Above-mentioned urban sludge treating method, it is preferred that in the step S1, pending municipal sludge is preheated to 56
DEG C ~ 60 DEG C, hydrolysis acidification reaction temperature is controlled at 58 DEG C ~ 60 DEG C, and 6.2 ~ 6.4, the reaction time is controlled in 24h for reaction pH controls
~36h。
Above-mentioned urban sludge treating method, it is furthermore preferred that in the step S2, hydrolysis acidification product is cooled to 30 DEG C
~ 33 DEG C, for the temperature control of anaerobic digestion reaction at 30 DEG C ~ 33 DEG C, the reaction time is 8 days ~ 9 days.
Compared with prior art, the advantage of the invention is that：The present invention using series connection pyrohydrolysis acidification reactor and
Medium temperature methane phase digestion reactor carries out digestion reaction to municipal sludge, while temperature classification is realized, optimizes different micro-
The metabolic conditions of biology, realize biological split-phase；The sporoderm-broken rate of microorganism wall is greatly after pyrohydrolysis is acidified, in sludge
Improve, intracellular organic matter is fully discharged, and is advantageous to ensuing medium temperature methane phase digestion reaction, so as to significantly
The yield of the degradation rate of organic matter and methane in thickened sludge is improved, experiments verify that degradation effect of organic compound is more than 60%, natural pond
Gas yield improves 50%, improves the energy utilization rate of sludge.In the method for sludge treatment of the present invention, at 58 DEG C ~ 60 DEG C,
PH6.2 ~ 6.4 are lower to carry out pyrohydrolysis anaerobic digestion reaction, can kill pathogenic bacteria, ensure that mud cake reaches the hygienic nothing of land use
Evilization requirement；Digestion time can be shortened simultaneously, experiments verify that, compared to traditional processing method, method of the invention digestion
Time shortens more than 25%.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structure schematic diagram of sludge treatment equipment of the present invention.
Marginal data：
1st, preheater；2nd, pyrohydrolysis acidification reactor；3rd, cooler；4th, medium temperature methane phase digestion reactor；5th, desulfurizing tower；6、
Dehydration device；21st, the first thermocouple；22nd, the first water leg；23rd, primary heater；24th, first circulation water pump；25th, pH is monitored
Instrument；26th, alkali liquor storage tank；27th, alkali lye feed pump；28th, stirring motor；29th, stirring vane；41st, the second thermocouple；42nd, the second water
Chuck；43rd, secondary heater；44th, second circulation water pump；61st, centrifuge；62nd, filter press.
Embodiment
For the ease of understanding the present invention, the present invention is made below in conjunction with Figure of description and preferred embodiment more complete
Face, meticulously describe, but protection scope of the present invention is not limited to embodiment in detail below.
It should be strongly noted that when a certain element, to be described as " be fixed on, be fixed in, be connected to or be communicated in " another
When on element, it can be directly fixed, affixed, connection or connect on another element or by connecting among other
Fitting is indirectly fixed, affixed, connection or connection are on another element.
Unless otherwise defined, the implication that all technical terms used hereinafter are generally understood that with those skilled in the art
It is identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to the limitation present invention
Protection domain.
Embodiment：
As shown in figure 1, a kind of urban sludge treatment device of the invention, the sludge treatment equipment mainly includes preheater 1, high temperature
Reactor for hydrolysis and acidification 2, cooler 3, medium temperature methane phase digestion reactor 4, desulfurizing tower 5 and dehydration device 6.Wherein, preheater 1
Input connected with municipal sludge conveyance conduit, the output end of preheater 1 and the input phase of pyrohydrolysis acidification reactor 2
Connection；The output end of pyrohydrolysis acidification reactor 2 is connected to the input of cooler 3, during the output end of cooler 3 is connected to
The input of warm methane phase digestion reactor 4；The biogas output channel of medium temperature methane phase digestion reactor 4 is connected to desulfurizing tower 5
Input, the sludge discharge line of medium temperature methane phase digestion reactor 4 is connected to the input of dehydration device 6.
In the present embodiment, the first thermocouple 21, pyrohydrolysis acidification reactor are provided with pyrohydrolysis acidification reactor 2
2 body is provided with the first water leg 22, and the upper and lower ends of first water leg 22 pass through pipeline and a primary heater 23
Connect, a first circulation water pump 24 is installed on the pipeline that the first water leg 22 is connected with the primary heater 23.High-temperature water
PH monitors 25 are installed, pyrohydrolysis acidification reactor 2 is stored up by alkali lye feed pipe and an alkali lye on solution acidification reactor 2
Tank 26 is connected, and alkali lye feed pipe is provided with alkali lye feed pump 27.One stirring dress is installed on pyrohydrolysis acidification reactor 2
Put, the agitating device includes the stirring motor 28 for being installed on the top of pyrohydrolysis acidification reactor 2, the rotating shaft of the stirring motor 28
Stretch into pyrohydrolysis acidification reactor 2, one end that rotating shaft is stretched into pyrohydrolysis acidification reactor 2 is provided with multi-disc paddle
Piece 29, axial spaced set of the multi-disc stirring vane 29 along rotating shaft.
In the present embodiment, medium temperature methane phase digestion reactor 4 is provided with the second thermocouple 41, medium temperature methane phase digestion reaction
The body of device 4 is provided with the second water leg 42, and the upper and lower ends of the second water leg 42 are connected by pipeline and a secondary heater 43
Connect, a second circulation water pump 44 is installed on the pipeline that second water leg 42 is connected with secondary heater 43.
In the present embodiment, dehydration device 6 includes centrifuge 61 and filter press 62, input and the medium temperature production first of centrifuge 61
The sludge discharge line connection of alkane digestion reactor 4, the output end of centrifuge 61 are connected with the input of filter press 62.Preheating
Device 1 is circulation water preheater；Cooler 3 is water recirculator；Desulfurizing tower 5 is biological desulfurizing tower.
What the sludge treatment equipment was handled municipal sludge comprises the following steps that：
The first step：Pending municipal sludge is delivered in preheater 1 by municipal sludge conveyance conduit and carries out being preheated to 56
DEG C ~ 60 DEG C, it is then fed into pyrohydrolysis acidification reactor 2 and acidification reaction is hydrolyzed, reaction temperature is controlled 58 DEG C ~ 60
DEG C, 6.2 ~ 6.4, reaction time control obtains hydrolysis acidification product in 24h ~ 36h for reaction pH controls；
Second step：Hydrolysis acidification product obtained by step 1 is sent into cooler 3 and carries out being cooled to 30 DEG C ~ 33 DEG C, is then fed into
Carry out anaerobic digestion reaction in medium temperature methane phase digestion reactor 4, the temperature control of reaction is at 30 DEG C ~ 33 DEG C, the reaction time 8
My god ~ 9 days, obtain biogas and digested sludge；
3rd step：Biogas obtained by step 2 is delivered in desulfurizing tower 5 by biogas output channel and carries out desulfurization, gained is digested
Sludge is delivered in centrifuge 61 by sludge discharge line and carries out centrifugal dehydration, then again by the digested sludge after centrifugal dehydration
It is sent into filter press 62 and carries out pressure treatment.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. urban sludge treatment device, it is characterised in that：Including preheater（1）, pyrohydrolysis acidification reactor（2）, it is cold But device（3）, medium temperature methane phase digestion reactor（4）, desulfurizing tower（5）And dehydration device（6）, the preheater（1）Input Connected with municipal sludge conveyance conduit, preheater（1）Output end and the pyrohydrolysis acidification reactor（2）Input phase Connection, pyrohydrolysis acidification reactor（2）Output end be connected to the cooler（3）Input, cooler（3）Output End is connected to the medium temperature methane phase digestion reactor（4）Input, medium temperature methane phase digestion reactor（4）Biogas output Pipeline is connected to the desulfurizing tower（5）Input, medium temperature methane phase digestion reactor（4）Sludge discharge line be connected to institute State dehydration device（6）Input.
- 2. urban sludge treatment device according to claim 1, it is characterised in that：The pyrohydrolysis acidification reactor （2）It is provided with the first thermocouple（21）, pyrohydrolysis acidification reactor（2）Body be provided with the first water leg（22）, it is described First water leg（22）Upper and lower ends pass through pipeline and a primary heater（23）Connection, the first water leg（22）Add with first Hot device（23）One first circulation water pump is installed on the pipeline of connection（24）.
- 3. urban sludge treatment device according to claim 2, it is characterised in that：The pyrohydrolysis acidification reactor （2）On pH monitors are installed（25）, pyrohydrolysis acidification reactor（2）Pass through alkali lye feed pipe and an alkali liquor storage tank（26）Phase Connection, the alkali lye feed pipe are provided with alkali lye feed pump（27）.
- 4. urban sludge treatment device according to claim 3, it is characterised in that：The pyrohydrolysis acidification reactor （2）On agitating device is installed, the agitating device includes being installed on pyrohydrolysis acidification reactor（2）The stirring motor at top （28）, the stirring motor（28）Rotating shaft stretch into pyrohydrolysis acidification reactor（2）Interior, pyrohydrolysis acid is stretched into the rotating shaft Change reactor（2）Interior one end is provided with multi-disc stirring vane（29）, stirring vane described in multi-disc（29）Axial direction along rotating shaft etc. Spacing is set.
- 5. urban sludge treatment device according to claim 1, it is characterised in that：The medium temperature methane phase digestion reactor （4）It is provided with the second thermocouple（41）, medium temperature methane phase digestion reactor（4）Body be provided with the second water leg（42）, institute State the second water leg（42）Upper and lower ends pass through pipeline and a secondary heater（43）Connection, the second water leg（42）With second Heater（43）One second circulation water pump is installed on the pipeline of connection（44）.
- 6. urban sludge treatment device according to claim 1, it is characterised in that：The dehydration device（6）Including centrifugation Machine（61）And filter press（62）, the centrifuge（61）Input and the medium temperature methane phase digestion reactor（4）Sludge Discharge line connects, centrifuge（61）Output end and the filter press（62）Input connection.
- 7. the urban sludge treatment device according to any one of claim 1 ~ 6, it is characterised in that：The preheater（1） To circulate water preheater；The cooler（3）For water recirculator；The desulfurizing tower（5）For biological desulfurizing tower.
- 8. a kind of urban sludge treating method, it is characterised in that at city's sludge as any one of claim 1 ~ 7 Reason device is handled municipal sludge, specifically includes following steps：S1, pending municipal sludge is delivered to preheater by municipal sludge conveyance conduit（1）In preheated, then send Enter pyrohydrolysis acidification reactor（2）Acidification reaction is inside hydrolyzed, obtains hydrolysis acidification product；S2, hydrolysis acidification product obtained by step S1 is sent into cooler（3）In cooled down, be then fed into medium temperature methane phase digestion Reactor（4）Interior progress anaerobic digestion reaction, obtains biogas and digested sludge；S3, biogas obtained by step S2 is delivered to desulfurizing tower by biogas output channel（5）Middle carry out desulfurization, gained is digested dirty Mud is delivered to centrifuge by sludge discharge line（61）Middle carry out centrifugal dehydration, then again by the digested sludge after centrifugal dehydration It is sent into filter press（62）Middle carry out pressure treatment.
- 9. urban sludge treating method according to claim 8, it is characterised in that：, will be pending in the step S1 Municipal sludge is preheated to 56 DEG C ~ 60 DEG C, and hydrolysis acidification reaction temperature is controlled at 58 DEG C ~ 60 DEG C, reaction pH controls 6.2 ~ 6.4, Reaction time is controlled in 24h ~ 36h.
- 10. urban sludge treating method according to claim 8 or claim 9, it is characterised in that：In the step S2, it will hydrolyze Acidizing product is cooled to 30 DEG C ~ 33 DEG C, and for the temperature control of anaerobic digestion reaction at 30 DEG C ~ 33 DEG C, the reaction time is 8 days ~ 9 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660972.7A CN107382001A (en) | 2017-08-04 | 2017-08-04 | A kind of urban sludge treatment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660972.7A CN107382001A (en) | 2017-08-04 | 2017-08-04 | A kind of urban sludge treatment device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107382001A true CN107382001A (en) | 2017-11-24 |
Family
ID=60344501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710660972.7A Withdrawn CN107382001A (en) | 2017-08-04 | 2017-08-04 | A kind of urban sludge treatment device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107382001A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626784A (en) * | 2019-02-26 | 2019-04-16 | 广西大学 | A kind of anticlogging sludge continuous thermal hydrolysis system |
| CN111547970A (en) * | 2020-06-24 | 2020-08-18 | 湖州龙兴环保科技有限公司 | Organic sludge treatment composite microbial inoculum and use method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202022824U (en) * | 2011-04-02 | 2011-11-02 | 柳建国 | High speed biological treatment system of kitchen waste |
| CN102241464A (en) * | 2011-06-01 | 2011-11-16 | 北京中持绿色能源环境技术有限公司 | Urban sludge treating method and equipment |
| US20130256224A1 (en) * | 2010-12-24 | 2013-10-03 | Boying Xiamen Science And Technology Co., Ltd. | Tanning wastewater treatment and reuse apparatus and method therefor |
| CN104291440A (en) * | 2014-10-09 | 2015-01-21 | 常州大学 | Method for promoting hydrolytic acidification process in anaerobic tank |
| CN205774547U (en) * | 2016-04-22 | 2016-12-07 | 惠州瑞涛环保科技有限公司 | A kind of pulling flow type anaerobic digester system |
| CN207143065U (en) * | 2017-08-04 | 2018-03-27 | 安吉晨源环保资源再生利用有限公司 | A kind of urban sludge treatment device |
-
2017
- 2017-08-04 CN CN201710660972.7A patent/CN107382001A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130256224A1 (en) * | 2010-12-24 | 2013-10-03 | Boying Xiamen Science And Technology Co., Ltd. | Tanning wastewater treatment and reuse apparatus and method therefor |
| CN202022824U (en) * | 2011-04-02 | 2011-11-02 | 柳建国 | High speed biological treatment system of kitchen waste |
| CN102241464A (en) * | 2011-06-01 | 2011-11-16 | 北京中持绿色能源环境技术有限公司 | Urban sludge treating method and equipment |
| CN104291440A (en) * | 2014-10-09 | 2015-01-21 | 常州大学 | Method for promoting hydrolytic acidification process in anaerobic tank |
| CN205774547U (en) * | 2016-04-22 | 2016-12-07 | 惠州瑞涛环保科技有限公司 | A kind of pulling flow type anaerobic digester system |
| CN207143065U (en) * | 2017-08-04 | 2018-03-27 | 安吉晨源环保资源再生利用有限公司 | A kind of urban sludge treatment device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626784A (en) * | 2019-02-26 | 2019-04-16 | 广西大学 | A kind of anticlogging sludge continuous thermal hydrolysis system |
| CN111547970A (en) * | 2020-06-24 | 2020-08-18 | 湖州龙兴环保科技有限公司 | Organic sludge treatment composite microbial inoculum and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102241464B (en) | Urban sludge treating method and equipment | |
| CN104909530A (en) | Anaerobic digestion sludge conditioning system and method | |
| KR100943315B1 (en) | Apparatus and method for treating organic sludge using thermal hydrolysis and high-temperature anaerobic digestion | |
| CN104944732A (en) | Energy-saving recycling treatment disposal system and energy-saving recycling treatment disposal process for organic solid waste | |
| CN106746467A (en) | A kind of sludge resource recovery method based on digested sludge hydro-thermal process | |
| CN102424508A (en) | Sludge pyrolytic digestion process for efficiently recovering heat energy and equipment thereof | |
| CN207143065U (en) | A kind of urban sludge treatment device | |
| CN103332840B (en) | A kind of sludge at low temperature modified anaerobic methane production set treatment device of heat and method | |
| CN102583922A (en) | Double-circulation two-phase anaerobic digestion system and application thereof | |
| CN103436435A (en) | Crop straw co-fermentation device | |
| CN107265806A (en) | A kind of excess sludge handling process based on carbon source reuse | |
| CN104291438A (en) | Method and system for producing biogas through two-stage anaerobic processing of high-concentration waste | |
| CN102515466B (en) | Continuous thermal hydrolysis pretreatment process capable of reinforcing high temperature anaerobic fermentation of residual sludge | |
| CN102603140B (en) | Process for conducting two-phase anaerobic digestion on sludge by reflux and heating reinforcement | |
| CN102586344B (en) | Method for producing volatile fatty acid through heating and circular anaerobic fermentation of sludge | |
| CN106754294A (en) | A kind of apparatus and method of vinegar grain solid-liquid split-phase anaerobic digestion methane production | |
| CN107382001A (en) | A kind of urban sludge treatment device and method | |
| CN102921706A (en) | Heating method of integrated municipal refuse by anaerobic treatment | |
| CN103121777B (en) | Method for treatment and comprehensive utilization of sludge based on thermal hydrolysis and application of method | |
| CN111484219A (en) | System and method for treating sludge through two-phase anaerobic digestion | |
| CN104450802A (en) | Treatment method for kitchen waste | |
| CN105084696B (en) | Height based on anaerobic digestion contains solid sludge pyrohydrolysis pretreatment unit and technique | |
| CN104291440A (en) | Method for promoting hydrolytic acidification process in anaerobic tank | |
| CN202785930U (en) | Sludge hydrolysis acidizing system | |
| CN212356981U (en) | Two-phase anaerobic digestion sludge treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171124 |