CN111320273A - Anaerobic fermentation equipment and method - Google Patents
Anaerobic fermentation equipment and method Download PDFInfo
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- CN111320273A CN111320273A CN202010258157.XA CN202010258157A CN111320273A CN 111320273 A CN111320273 A CN 111320273A CN 202010258157 A CN202010258157 A CN 202010258157A CN 111320273 A CN111320273 A CN 111320273A
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- 238000000855 fermentation Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims description 16
- 239000002893 slag Substances 0.000 claims description 16
- 239000004576 sand Substances 0.000 claims description 5
- 230000001012 protector Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 239000010410 layer Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses anaerobic fermentation equipment and a method, wherein the anaerobic fermentation equipment comprises an outer anaerobic tank and an inner anaerobic tank, the inner anaerobic tank is arranged in the outer anaerobic tank, and the diameter of the inner anaerobic tank is smaller than that of the outer anaerobic tank and is higher than that of the outer anaerobic tank; the lower part of the inner anaerobic tank is provided with a circulating water inlet hole, the upper part of the inner anaerobic tank is provided with a circulating water outlet pipe, and the water outlet of the circulating water outlet pipe is arranged in the outer anaerobic tank; the top of the inner anaerobic tank is connected with a vacuum suction fan to adjust the pressure of the inner anaerobic tank; the material of the outer anaerobic tank enters the inner anaerobic tank through the circulating water inlet hole, then flows out of the circulating water outlet pipe and flows into the outer anaerobic tank to form circulation. According to the invention, the internal and external anaerobic tanks are arranged to form a pressure and liquid level difference with low relative pressure and high liquid level of the internal tank and high relative pressure and low liquid level of the external tank, so that natural hydraulic circulating stirring effect in the anaerobic tank is realized, anaerobic energy consumption is reduced better, anaerobic fermentation efficiency is improved, and operation cost and installed power are reduced.
Description
Technical Field
The invention belongs to the technical field of wastewater treatment, and particularly relates to anaerobic fermentation equipment and an anaerobic fermentation method.
Background
Biogas fermentation is also called anaerobic digestion and anaerobic fermentation, and refers to a process of finally forming combustible mixed gas such as methane, carbon dioxide and the like by decomposing and metabolizing organic substances (such as human, livestock and poultry excrement, straws, weeds and the like) through various microorganisms under certain moisture, temperature and anaerobic conditions.
In the treatment of high-concentration organic wastewater, the anaerobic fermentation process can effectively reduce the concentration of organic pollutants in the wastewater and generate methane, thereby realizing the recycling of the wastewater. In order to better improve the treatment efficiency and capacity of organic pollutants in anaerobic fermentation, continuous stirring action needs to be realized in an anaerobic tank, and the anaerobic tank is traditionally divided into three modes, namely stirrer stirring, hydraulic stirring and methane stirring, wherein the stirrer stirring mode with lower installation power is mostly used, the stirrer is installed in the anaerobic tank and continuously rotates for 24 hours, the stirrer is difficult to replace along with the time and the abrasion of the stirrer, and the installed power of the hydraulic stirring and methane stirring is higher, so that the operation cost is relatively higher.
Disclosure of Invention
The technical problem to be solved by the present invention is to overcome the above mentioned disadvantages and drawbacks of the background art, and to provide an anaerobic fermentation apparatus and method to improve the efficiency of anaerobic fermentation and reduce the operation cost.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
anaerobic fermentation equipment comprises an outer anaerobic tank and an inner anaerobic tank, wherein the inner anaerobic tank is arranged in the outer anaerobic tank, and the diameter of the inner anaerobic tank is smaller than that of the outer anaerobic tank and higher than that of the outer anaerobic tank; the lower part of the inner anaerobic tank is provided with a circulating water inlet hole, the upper part of the inner anaerobic tank is provided with a circulating water outlet pipe, and the water outlet of the circulating water outlet pipe is arranged in the outer anaerobic tank; the top of the inner anaerobic tank is connected with a vacuum suction fan to adjust the pressure of the inner anaerobic tank; the material of the outer anaerobic tank enters the inner anaerobic tank through the circulating water inlet hole, then flows out of the circulating water outlet pipe and flows into the outer anaerobic tank to form circulation.
Furthermore, a first liquid level meter is installed on the top of the inner anaerobic tank, a second liquid level meter is installed on the upper portion of the outer anaerobic tank, and the vacuum suction fan is controlled to be started and stopped through the liquid level difference detected by the first liquid level meter and the second liquid level meter.
Furthermore, the diameter of the inner anaerobic tank is 0.1-0.3 of that of the outer anaerobic tank and is 2-5m higher than that of the outer anaerobic tank.
Furthermore, the circulating water outlet pipe is arranged at the position 1.5-4m above the liquid level of the outer anaerobic tank, and the water outlet is 0.5-3m higher than the liquid level of the outer anaerobic tank.
Furthermore, the upper part of the outer anaerobic tank is provided with a water outlet pipe, the water outlet pipe is connected with a slag discharge tank, and the slag discharge tank is connected with a water outlet pump.
Furthermore, the slag discharging tank is provided with a slag discharging liquid level controller, and the opening of the water outlet pump is controlled by the liquid level of the slag discharging tank.
Furthermore, a sand discharge tank is arranged at the bottom of the outer anaerobic tank and connected with a cyclone desander.
Furthermore, a hot water heat exchange coil is installed on the outer wall of the outer anaerobic tank, and the hot water heat exchange coil exchanges heat with steam through a heat exchanger.
Further, a positive and negative pressure protector is installed on the top of the outer anaerobic tank.
The method for performing anaerobic fermentation by using the anaerobic fermentation equipment comprises the following steps:
detecting the liquid level of the material in the inner anaerobic tank to obtain a first liquid level;
detecting the liquid level of the material in the outer anaerobic tank to obtain a second liquid level;
and when the difference value between the first liquid level and the second liquid level is lower than a first value, the vacuum suction fan is started, and when the difference value between the first liquid level and the second liquid level is higher than a second value, the operation of the vacuum suction fan is stopped, so that the liquid level difference between the inner anaerobic tank and the outer anaerobic tank is kept within a certain range.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the internal and external anaerobic tanks are arranged to form a pressure and liquid level difference with low relative pressure and high liquid level of the internal tank and high relative pressure and low liquid level of the external tank, so that natural hydraulic circulating stirring effect in the anaerobic tank is realized, anaerobic energy consumption is reduced better, anaerobic fermentation efficiency is improved, and operation cost and installed power are reduced.
(2) All equipment are all installed in the anaerobic jar outside, can effectual realization equipment overhaul with trade.
(3) The system adopts two control modes of full-automatic control and central control, has high automation degree, and can meet different operation requirements while reducing the personnel investment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic block diagram of an embodiment of the present invention;
wherein: 1. an outer anaerobic tank; 2. an inner anaerobic tank; 21. circulating water inlet holes; 22. circulating a water outlet pipe; 23. a liquid level controller; 24. a vacuum suction fan; 25. a one-way valve; 31. a water inlet pump; 32. a water outlet pipe; 33. a slag discharge tank; 34. discharging the water pump; 35. a cyclone desander; 41. a hot water heat exchange coil; 42. a heat exchanger; 51. a pipeline regulating switch; G. and (4) steam.
Detailed Description
In order to facilitate understanding of the invention, the invention will be described more fully and in detail with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
The anaerobic fermentation equipment consists of an anaerobic tank system, a feeding, discharging and deslagging system, a heat-preservation heat exchange and monitoring system and a methane collection and conveying system.
As shown in fig. 1, the anaerobic tank system includes two anaerobic tanks of different proportions: outer anaerobic jar 1, interior anaerobic jar 2 sets up the middle part in outer anaerobic jar 1, and the diameter is less than outer anaerobic jar 1, and is higher than outer anaerobic jar 1. In a preferred embodiment, the inner and outer anaerobic tanks are both designed by welding carbon steel, the thickness of the carbon steel is 5-12mm, the inner lining is anticorrosive by 1-2mm, wherein the height-diameter ratio of the outer anaerobic tank 1 is 1:0.8-1:1.2, and the volume is 100-2000m3The diameter of the inner anaerobic tank 2 is 0.1-0.3 of the outer anaerobic tank and is 2-5m higher than that of the outer anaerobic tank.
A circulating water inlet hole 21 is arranged at the lower part of the inner anaerobic tank 2, a circulating water outlet pipe 22 is arranged on the partial side wall of the inner anaerobic tank 2 higher than the outer anaerobic tank 1 and is communicated into the outer anaerobic tank 1, and a one-way valve 25 is arranged on the pipeline of the circulating water outlet pipe 22. In one embodiment, the circulating water outlet pipe 22 is arranged at 1.5-4m above the liquid level of the outer anaerobic tank 1, the water outlet of the pipe orifice is arranged in the outer anaerobic tank 1, and the water outlet is 0.5-3m higher than the upper part of the liquid level of the outer anaerobic tank 1. Materials between the inner anaerobic tank and the outer anaerobic tank enter the inner anaerobic tank 2 through the circulating water inlet hole 21 and flow into the outer anaerobic tank 1 from the circulating water outlet pipe 22 to form hydraulic circulation.
A liquid level controller 23 is installed on the top of the inner anaerobic tank 2, a liquid level and pressure instrument is installed on the top of the inner anaerobic tank, a vacuum suction fan 24 is connected to the rear end of the liquid level controller 23, and the inner anaerobic tank 2 is started and stopped through the liquid level controller, so that a vacuum-like environment is achieved. The inner anaerobic tank 2 has low relative pressure and high liquid level, and the outer anaerobic tank 1 has high relative pressure and low liquid level. The liquid level difference is formed by adjusting the pressure of the inner anaerobic tank and the pressure of the outer anaerobic tank, and the materials are stirred through the liquid level difference of the inner anaerobic tank and the outer anaerobic tank, so that the anaerobic operation cost and the installed power are better reduced.
The level controller 23 is connected to the first level gauge. And a second liquid level meter is arranged at the upper part of the outer anaerobic tank 1. The first liquid level meter and the second liquid level meter are respectively connected with the central control system. The central control system controls the vacuum suction fan 24 to start and stop according to the liquid level difference detected by the first liquid level meter and the second liquid level meter. When the liquid level difference is lower than a certain value, the vacuum suction fan 24 is started; when the liquid level difference is higher than a certain value, the vacuum suction fan 24 stops operating. Preferably, the liquid level difference is kept between 2 and 3 meters.
In a specific embodiment, a positive and negative pressure protector is arranged on the top of the outer anaerobic tank 1, so that overpressure of the anaerobic tank can be prevented, and safety of the anaerobic tank is guaranteed.
In one embodiment, the outer anaerobic tank 1 is externally provided with an insulating layer, the insulating layer is made of rock wool materials for heat preservation, and the insulating layer is externally lined with a color steel tile protective layer.
The feeding, discharging and deslagging system comprises a water inlet pump 31, a deslagging tank 33 and a water outlet pump 34. The feeding at the lower part and the discharging at the upper part are adopted, the water inlet pipe is arranged at the lower part of the outer anaerobic tank 1, the water inlet pipe is provided with the water inlet pump 31, the water outlet pipe 32 is arranged at the upper part of the outer anaerobic tank 1, the discharging at the upper part is discharged to the slag discharging tank 33 through the water outlet pipe 32, and the slag discharging tank 33 is connected with the water outlet pump 34. The slag discharging tank 33 is provided with a slag discharging liquid level controller, and the opening of the water outlet pump 34 is controlled by the liquid level. And in the circulation process, the external anaerobic tank 1 is subjected to slag discharge by waterpower, so that a scum layer is avoided, and the stable and safe operation of the anaerobic tank is ensured.
In one embodiment, the bottom of the outer anaerobic tank 1 is provided with a sand discharge tank, and a cyclone desander 35 is connected behind the sand discharge tank to discharge sand from the bottom of the tank, so that the sediment is avoided, and the limited storage capacity of the anaerobic tank is reduced.
In one embodiment, all the feeding and discharging valves of the anaerobic tank adopt a double-valve design, a manual valve and an automatic valve are designed, the manual valve is normally opened, and the automatic valve adopts an electric valve.
The heat preservation, heat exchange and monitoring system comprises a hot water heat exchange coil 41, a heat exchanger 42 and a temperature monitoring instrument. The outer wall of the outer anaerobic tank 1 is provided with a hot water heat exchange coil 41. The hot water heat exchange coil 41 exchanges heat with the steam G through the heat exchanger 42 and then exchanges heat with the inside of the tank. In one embodiment, the diameter of the coil pipe is DN25-DN50, and SS304 or above is adopted. A temperature monitoring instrument is arranged in the middle of the outer anaerobic tank 1, and the temperature control instrument is used for controlling the heat preservation and exchange system to work, so that the temperature stability of the anaerobic tank is ensured.
In a specific embodiment, a biogas collecting pipe (made of SS304 material) is installed on the top of the outer anaerobic tank 1, a biogas flowmeter, a biogas analyzer, a pressure gauge, a pressure controller and a pipe regulating switch 51 are installed on the biogas collecting pipe, so as to form a biogas collecting and conveying system, and the opening of the switch is regulated through pressure control.
The equipment adopts full-automatic control, and all the instruments, the automatic valves and the pumps transmit data to the central control system and can be controlled by the central control system.
The invention is suitable for the anaerobic fermentation process with the solid content in the tank being less than 10%.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not to be construed as limiting the invention in any way. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (10)
1. Anaerobic fermentation equipment is characterized by comprising an outer anaerobic tank and an inner anaerobic tank, wherein the inner anaerobic tank is arranged in the outer anaerobic tank, and the diameter of the inner anaerobic tank is smaller than that of the outer anaerobic tank and is higher than that of the outer anaerobic tank; the lower part of the inner anaerobic tank is provided with a circulating water inlet hole, the upper part of the inner anaerobic tank is provided with a circulating water outlet pipe, and the water outlet of the circulating water outlet pipe is arranged in the outer anaerobic tank; the top of the inner anaerobic tank is connected with a vacuum suction fan to adjust the pressure of the inner anaerobic tank; the material of the outer anaerobic tank enters the inner anaerobic tank through the circulating water inlet hole, then flows out of the circulating water outlet pipe and flows into the outer anaerobic tank to form circulation.
2. The anaerobic fermentation equipment of claim 1, wherein a first liquid level meter is installed on the top of the inner anaerobic tank, a second liquid level meter is installed on the upper portion of the outer anaerobic tank, and the vacuum suction fan is controlled to be started and stopped through the liquid level difference detected by the first liquid level meter and the second liquid level meter.
3. The anaerobic fermentation apparatus of claim 1 or 2, wherein the diameter of the inner anaerobic tank is 0.1-0.3 of the diameter of the outer anaerobic tank, and is 2-5m higher than the outer anaerobic tank.
4. The anaerobic fermentation equipment of claim 3, wherein the circulating water outlet pipe is arranged at the position 1.5-4m above the liquid level of the outer anaerobic tank, and the water outlet is 0.5-3m higher than the liquid level of the outer anaerobic tank.
5. The anaerobic fermentation equipment of claim 1 or 2, wherein the upper part of the outer anaerobic tank is provided with a water outlet pipe, the water outlet pipe is connected with a slag discharge tank, and the slag discharge tank is connected with a water outlet pump.
6. The anaerobic fermentation equipment of claim 5, wherein the slag discharging tank is provided with a slag discharging liquid level controller, and the opening of the water outlet pump is controlled by the level of the liquid level of the slag discharging tank.
7. The anaerobic fermentation equipment of claim 1 or 2, wherein a sand discharge tank is arranged at the bottom of the outer anaerobic tank, and is connected with a cyclone desander.
8. The anaerobic fermentation equipment as claimed in claim 1 or 2, wherein the outer wall of the outer anaerobic tank is provided with a hot water heat exchange coil, and the hot water heat exchange coil exchanges heat with steam through a heat exchanger.
9. The anaerobic fermentation apparatus of claim 1 or 2, wherein the outer anaerobic tank roof is fitted with a positive and negative pressure protector.
10. A method for performing anaerobic fermentation by using the anaerobic fermentation apparatus as claimed in any one of claims 1 to 9, comprising the steps of:
detecting the liquid level of the material in the inner anaerobic tank to obtain a first liquid level;
detecting the liquid level of the material in the outer anaerobic tank to obtain a second liquid level;
and when the difference value between the first liquid level and the second liquid level is lower than a first value, the vacuum suction fan is started, and when the difference value between the first liquid level and the second liquid level is higher than a second value, the operation of the vacuum suction fan is stopped, so that the liquid level difference between the inner anaerobic tank and the outer anaerobic tank is kept within a certain range.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010258157.XA CN111320273B (en) | 2020-04-03 | 2020-04-03 | Anaerobic fermentation equipment and method |
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| CN202010258157.XA CN111320273B (en) | 2020-04-03 | 2020-04-03 | Anaerobic fermentation equipment and method |
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| CN111320273A true CN111320273A (en) | 2020-06-23 |
| CN111320273B CN111320273B (en) | 2024-09-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112300901A (en) * | 2020-10-29 | 2021-02-02 | 中国市政工程华北设计研究总院有限公司 | Vertical dry anaerobic system with lower feeding and upper discharging functions |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060026528A (en) * | 2004-09-21 | 2006-03-24 | 히카리 기켄 고교 가부시키가이샤 | The method and device for treating dung |
| JP2007216122A (en) * | 2006-02-15 | 2007-08-30 | E's Inc | Degassing apparatus |
| CN201111511Y (en) * | 2007-09-15 | 2008-09-10 | 韩农 | Biogas circular current gas-lifting type inner circulation variable pressure anaerobic fermentation device |
| CN202072539U (en) * | 2011-06-03 | 2011-12-14 | 山东泓达生物科技有限公司 | Novel hydraulically stirred circulation tank |
| CN102382761A (en) * | 2010-09-02 | 2012-03-21 | 深圳市广业龙澄环保能源有限公司 | Liquid power automatic stirring marsh gas fermentation device |
| CN102502960A (en) * | 2011-12-26 | 2012-06-20 | 陕西清源环境实业有限公司 | Gas-liquid blending and stirring device of sewage-sludge complete mixing type anaerobic fermentation tank and treatment method thereof |
| KR101408302B1 (en) * | 2014-01-29 | 2014-06-17 | 엔텍스 주식회사 | Hydraulic screw stirrer type anaerobic digestion unit for organic waste |
| CN203868005U (en) * | 2014-06-19 | 2014-10-08 | 山东神驰石化有限公司 | Pneumatic lifting device for recycling brominated butyl rubber sewage |
| JP2015038421A (en) * | 2014-10-28 | 2015-02-26 | 有限会社中西家具店 | Air conditioning system |
| CN206244781U (en) * | 2016-10-27 | 2017-06-13 | 威德环境科技股份有限公司 | A kind of kitchen rubbish high temperature anaerobic ferment devices |
| CN107916219A (en) * | 2017-11-28 | 2018-04-17 | 武汉大学 | Anaerobic fermentation of kitchen waste producing methane integrated apparatus and method |
| CN110482737A (en) * | 2019-08-02 | 2019-11-22 | 中科鼎实环境工程有限公司 | For the circulation well repair system of Organic Contamination of Groundwater object |
| CN212222561U (en) * | 2020-04-03 | 2020-12-25 | 湖南北控威保特环境科技股份有限公司 | Anaerobic fermentation equipment |
-
2020
- 2020-04-03 CN CN202010258157.XA patent/CN111320273B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060026528A (en) * | 2004-09-21 | 2006-03-24 | 히카리 기켄 고교 가부시키가이샤 | The method and device for treating dung |
| JP2007216122A (en) * | 2006-02-15 | 2007-08-30 | E's Inc | Degassing apparatus |
| CN201111511Y (en) * | 2007-09-15 | 2008-09-10 | 韩农 | Biogas circular current gas-lifting type inner circulation variable pressure anaerobic fermentation device |
| CN102382761A (en) * | 2010-09-02 | 2012-03-21 | 深圳市广业龙澄环保能源有限公司 | Liquid power automatic stirring marsh gas fermentation device |
| CN202072539U (en) * | 2011-06-03 | 2011-12-14 | 山东泓达生物科技有限公司 | Novel hydraulically stirred circulation tank |
| CN102502960A (en) * | 2011-12-26 | 2012-06-20 | 陕西清源环境实业有限公司 | Gas-liquid blending and stirring device of sewage-sludge complete mixing type anaerobic fermentation tank and treatment method thereof |
| KR101408302B1 (en) * | 2014-01-29 | 2014-06-17 | 엔텍스 주식회사 | Hydraulic screw stirrer type anaerobic digestion unit for organic waste |
| CN203868005U (en) * | 2014-06-19 | 2014-10-08 | 山东神驰石化有限公司 | Pneumatic lifting device for recycling brominated butyl rubber sewage |
| JP2015038421A (en) * | 2014-10-28 | 2015-02-26 | 有限会社中西家具店 | Air conditioning system |
| CN206244781U (en) * | 2016-10-27 | 2017-06-13 | 威德环境科技股份有限公司 | A kind of kitchen rubbish high temperature anaerobic ferment devices |
| CN107916219A (en) * | 2017-11-28 | 2018-04-17 | 武汉大学 | Anaerobic fermentation of kitchen waste producing methane integrated apparatus and method |
| CN110482737A (en) * | 2019-08-02 | 2019-11-22 | 中科鼎实环境工程有限公司 | For the circulation well repair system of Organic Contamination of Groundwater object |
| CN212222561U (en) * | 2020-04-03 | 2020-12-25 | 湖南北控威保特环境科技股份有限公司 | Anaerobic fermentation equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112300901A (en) * | 2020-10-29 | 2021-02-02 | 中国市政工程华北设计研究总院有限公司 | Vertical dry anaerobic system with lower feeding and upper discharging functions |
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| CN111320273B (en) | 2024-09-06 |
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