CN101372377A - Hydraulic-circulating fermentation process and apparatus - Google Patents
Hydraulic-circulating fermentation process and apparatus Download PDFInfo
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- CN101372377A CN101372377A CNA2008101388108A CN200810138810A CN101372377A CN 101372377 A CN101372377 A CN 101372377A CN A2008101388108 A CNA2008101388108 A CN A2008101388108A CN 200810138810 A CN200810138810 A CN 200810138810A CN 101372377 A CN101372377 A CN 101372377A
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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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Abstract
The invention relates to a water power circle fermentation process and an apparatus thereof, and the process comprise the following ordinal steps: step (A), the incoming stuffing flows naturally from the discharge port of a dry-type fermentation apparatus into a fermentation cylinder of the apparatus; step (B), the stuffing is pumped from the fermentation cylinder into a heat-exchanging apparatus to be heated through a circle pump, after being heated up, the stuffing returns into the fermentation cylinder through the circle pump for heat preservation and fermentation; step (c), materials in the fermentation cylinder continuously ferment to discharge the marsh gas, pond flotsam and pond liquid through the corresponding port. The apparatus comprises the fermentation cylinder, the heat-exchanging apparatus, an internal membrane, an external membrane, the circle pump, the control system, etc. The heat-exchanging apparatus is arranged outside the fermentation cylinder, and the fermentation cylinder is provided with a marsh gas outlet valve and a bleeder valve, the internal and the external membranes are sequentially arranged on the top of the fermentation cylinder, and a safety valve is arranged at the upper part of the external membrane, and an air cavity is formed between the internal membrane and the external membrane, and a fan and a pipe are communicated with an air charge cavity, and a temperature sensor is arranged under the fermentation cylinder. The control system and the temperature sensor are electrically connected with the heat-exchanging apparatus. The invention is mainly applied in the dry-type fermentation process of crops straw.
Description
One, technical field
The present invention relates to microbiological anaerobic and handle the method and apparatus of agricultural wastes, livestock-raising waste and trade effluent, particularly a kind of hydraulic-circulating fermentation process and device.
Two, background technology
At present, anaerobic fermentation method and equipment mainly contain complete stirring-type anaerobic ferment process, anaerobism contact process reactor, upflow anaerobic sludge blanket reactor and flow lifting type anaerobism solid reactor etc.These methods and processing unit exist following shortcoming or deficiency: 1. equipment at material mainly be that ight soil is cultured in livestock industry because the stalk carbon-nitrogen ratio is higher than the required carbon-nitrogen ratio of anaerobically fermenting itself far away, still can't carry out fermentative processing to agricultural stalk class material; 2. the built-in heat exchange of many employings, tank body is perishable, and poor sealing is subject to the anerobe influence; 3. equipment complexity, fermentor tank need the configure dedicated gas storage holders, and floor space is big, and safety in operation is poor; 4. auxiliary facility is many, investment is big, running cost is high.
Three, summary of the invention
The purpose of this invention is to provide a kind of hydraulic-circulating fermentation process, adopt specially and carry out the anaerobically fermenting processing at agricultural crop straw.Can also be applicable to simultaneously materials such as livestock breeding industry dirt, fill up the blank of current fermenting crops straws device, improve the scope of application and the versatility of device greatly.
Hydraulic-circulating fermentation process of the present invention comprises the processing step of following order: (A) charging; (B) heat tracing fermentation; (C) discharging is characterized in that described processing step (A), (B), (C) carry out in waterpower circulation technology device, step (A) is to be gone in the fermentor tank of waterpower circulation technology device by the discharge port spontaneous current of dry type fermentation unit; Step (B) is to detect temperature in the fermentor tank by the temperature sensor that is arranged on the fermentor tank, when its temperature is lower than design temperature, Controlling System by this device is opened automatically, recycle pump is extracted into the material in the fermentor tank in the heat-exchanger rig, material returned in the fermentor tank through recycle pump after temperature raise, circulate material in this step stirred fermentor reaches design temperature simultaneously; Step (C) material constantly ferments in fermentor tank and produces biogas, and natural pond slag and natural pond liquid are discharged from outlet separately.
The heat exchange that material is pumped in the heat-exchanger rig in the fermentor tank in the described step (B) is the outer circulation type of heating.When the material in the described fermentor tank is passed in heat-processed and to be pumped by recycle pump, in fermentor tank, form eddy current and stir.Described biogas is discharged from the fermentor tank venting port, and natural pond liquid and natural pond slag are discharged from the discharging valve port.
Another object of the present invention provides a kind of hydraulic-circulating fermentation process device, adopts the fermentor tank of Controlling System control and interior outer membrane structure, effectively agricultural stalk is fermented, and produces the biogas for generating or civilian use.
Hydraulic-circulating fermentation process device of the present invention, comprise fermentor tank, heat-exchanger rig, opening for feed, inner membrance, adventitia, safety valve, bleeder valve, gas blower, temperature sensor, motorized valve, recycle pump, vacuum breaker and Controlling System, it is characterized in that the outer side of described fermentor tank is equipped with interchanger and the feed valve opposite side is equipped with methane outlet valve and bleeder valve, the tank top is equipped with inner membrance and adventitia in turn, this adventitia top is equipped with safety valve, constitute inflatable chamber between inner membrance and the adventitia, described gas blower and pipeline are connected with this inflatable chamber, the jar bottom is equipped with temperature sensor, described Controlling System is installed on outside the fermentor tank, is electrically connected with temperature sensor and interchanger.
Described interchanger is connected with fermentor tank by vacuum breaker, motorized valve and the recycle pump of pipe connecting and upward connection thereof.Described fermentor tank be diameter greatly, highly little flat-section structure.Described Controlling System is the PLC controller.
This compared with prior art has following advantage:
1, wide accommodation at the agricultural crop straw design, is applicable to that simultaneously the anaerobically fermenting of all kinds of aquaculture dirts and industrial sewage is handled;
2, perishable in tank body, the difficult shortcoming of safeguarding of built-in heat-exchanger rig has been avoided in employing outer circulation type heating, can prevent simultaneously owing to the influence of poor sealing to anerobe.
3, material stirs with heating and finishes by a cover material recycle pump, saves facility investment;
4, fermentation unit double as gas storage holder uses, and needn't build gas holder in addition, reduces investment outlay, and reduces floor space;
5, gas storage system does not have water seal, oil sealing and spring, and not being afraid of freezes need not heat;
6, gas storage system does not have guide rail, and no lifting piston need not counterweight;
7, apparatus structure is simple, is easy to safeguard that the trouble spot is few, and failure rate is low, and running cost is low.
Four, description of drawings
Accompanying drawing is the apparatus structure synoptic diagram of waterpower circulating fermentation method of the present invention.
Five, embodiment
Plant hydraulic-circulating fermentation process, comprise the processing step of following order: (A) charging; (B) heat tracing fermentation; (C) discharging is characterized in that described processing step (A), (B), (C) carry out in waterpower circulation technology device, step (A) is to be gone in the fermentor tank 4 of waterpower circulation technology device by the discharge port spontaneous current of dry type fermentation unit 1; Step (B) is to detect temperature in the fermentor tank by the temperature sensor 11 that is arranged on the fermentor tank 4, when its temperature is lower than design temperature, Controlling System 15 automatic ON cycle pumps 13 by this device are extracted into the material in the fermentor tank 4 in the heat-exchanger rig 2, material returned in the fermentor tank 4 through recycle pump 13 after temperature raise, circulate material in this step stirred fermentor 4 reaches design temperature simultaneously; Step (C) material is constantly fermentation in fermentor tank 4, produces biogas, natural pond slag and natural pond liquid, discharges from outlet separately.
The heat exchange that material is pumped in the heat-exchanger rig 2 in the fermentor tank 4 in the described step (B) is the outer circulation type of heating.In the material heat-processed in the described fermentor tank 4, when material recycle pump 2 is pumped, form eddy current in the fermentor tank 4 and stir.Described biogas is discharged from the venting port 8 of fermentor tank 4, supplies with civilian or the generating set generating.Natural pond liquid and natural pond slag are discharged from discharging valve port 9.
Another object of the present invention provides a kind of hydraulic-circulating fermentation process device, adopts automatic control of Controlling System and inner membrance, the two film tank deck structures of adventitia constant pressure type, effectively agriculture straw is fermented, and produces the biogas for generating set generating or user's use.
Hydraulic-circulating fermentation process device of the present invention comprises fermentor tank 4, heat-exchanger rig 2, opening for feed 3, inner membrance 5, adventitia 6, safety valve 7, discharging valve port 9, gas blower 10, temperature sensor 11, motorized valve 12, material recycle pump 13, vacuum breaker 14, dry type fermentation unit 1 and Controlling System 15.Fermentor tank 4 outer sides are equipped with interchanger 2 and feed valve 3, and opposite side is equipped with methane outlet valve 8 and discharging valve port 9, and the tank top is equipped with inner membrance 5 and adventitia 6 in turn, and these adventitia 6 tops are equipped with safety valve 7, constitute inflatable chamber between inner membrance 5 and the adventitia 6.Gas blower and pipeline 10 are connected with this inflatable chamber.The jar bottom is equipped with temperature sensor 11, and Controlling System 15 is installed on outside the fermentor tank 4, is electrically connected with temperature sensor 11 and interchanger 2.
Interchanger 2 is connected with fermentor tank 4 by vacuum breaker 14, motorized valve 12 and the material recycle pump 13 of pipe connecting and upward connection thereof.Fermentor tank 4 be diameter greatly, highly little flat-section structure.Controlling System 15 is the PLC controller.
Claims (8)
1. hydraulic-circulating fermentation process comprises the processing step of following order: (A) charging; (B) heat tracing fermentation; (C) discharging is characterized in that described processing step (A), (B), (C) carry out in waterpower circulation technology device, step (A) is that the discharge port by the dry type fermentation unit flows in the fermentor tank of this device naturally; Step (B) is to detect temperature in the fermentor tank by the temperature sensor that is arranged on this device fermentor tank, when its temperature is lower than design temperature, Controlling System by this device is opened automatically, recycle pump is extracted into the material in the fermentor tank in the heat-exchanger rig, material returned in the fermentor tank through recycle pump after temperature raise, circulate material in this step stirred fermentor reaches design temperature simultaneously; Step (C) material constantly ferments in fermentor tank and produces biogas, and natural pond slag and natural pond liquid are discharged from outlet separately.
2. hydraulic-circulating fermentation process according to claim 1 is characterized in that the heat exchange that material is pumped in the heat-exchanger rig in the fermentor tank in the described step (B) is the outer circulation type of heating.
3. hydraulic-circulating fermentation process according to claim 1 and 2 is characterized in that the material in the described fermentor tank, when being pumped by recycle pump in heat-processed, forms eddy current in the fermentor tank and stirs.
4. hydraulic-circulating fermentation process according to claim 1 is characterized in that described biogas from the discharge of fermentor tank venting port, and natural pond liquid, natural pond slag are discharged from the discharging valve port.
5. hydraulic-circulating fermentation process device, comprise fermentor tank, heat-exchanger rig, opening for feed, inner membrance, adventitia, safety valve, bleeder valve, gas blower, temperature sensor, motorized valve, recycle pump, vacuum breaker and Controlling System, it is characterized in that the outer side of described fermentor tank is equipped with interchanger and the feed valve opposite side is equipped with methane outlet valve and bleeder valve, the tank top is equipped with inner membrance and adventitia in turn, this adventitia top is equipped with safety valve, constitute inflatable chamber between inner membrance and the adventitia, described gas blower and pipeline are connected with this inflatable chamber, the jar bottom is equipped with temperature sensor, described Controlling System is installed on outside the fermentor tank, is electrically connected with temperature sensor and interchanger.
6. hydraulic-circulating fermentation process device according to claim 5 is characterized in that described interchanger is connected with fermentor tank by pipe connecting and the vacuum breaker, the motorized valve that upward connect and the ring pump of hesitating.
7. according to claim 5 or 6 described hydraulic-circulating fermentation process devices, it is characterized in that described fermentor tank be diameter greatly, highly little flat-section structure.
8. hydraulic-circulating fermentation process device according to claim 5 is characterized in that described Controlling System is the PLC controller.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101388108A CN101372377A (en) | 2008-07-21 | 2008-07-21 | Hydraulic-circulating fermentation process and apparatus |
| US13/055,426 US9217162B2 (en) | 2008-07-21 | 2009-07-21 | Method and apparatus for anaerobic digestion for crop stalk |
| PCT/CN2009/072844 WO2010009668A1 (en) | 2008-07-21 | 2009-07-21 | Straw fermentation process and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101388108A CN101372377A (en) | 2008-07-21 | 2008-07-21 | Hydraulic-circulating fermentation process and apparatus |
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| Publication Number | Publication Date |
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| CN101372377A true CN101372377A (en) | 2009-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008101388108A Pending CN101372377A (en) | 2008-07-21 | 2008-07-21 | Hydraulic-circulating fermentation process and apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310072A (en) * | 2011-05-10 | 2012-01-11 | 安阳艾尔旺新能源环境有限公司 | Garbage treatment device |
| CN102603382A (en) * | 2012-03-16 | 2012-07-25 | 清华大学 | Organic waste aerobic composting test device |
| CN103100556A (en) * | 2013-01-28 | 2013-05-15 | 广州中科建禹环保有限公司 | Kitchen waste liquefaction and double-cycle treatment integrated device |
| CN104817399A (en) * | 2015-05-12 | 2015-08-05 | 安徽聚力机械制造有限公司 | Intelligent preparation system and preparation method for synthesizing quick-acting and slow-release integrated efficient ecological compound fertilizer through straw microbial fermentation |
| CN107037748A (en) * | 2016-11-22 | 2017-08-11 | 安徽聚力机械制造有限公司 | The intelligence control stalk fermentation monitored based on internet prepares multifunction compound fertilizer system |
| CN107828649A (en) * | 2017-11-07 | 2018-03-23 | 武汉和信益科技有限公司 | Large-scale full-mixing type anaerobic marsh-gas fermentation tank thermal compensation system and its process |
| CN110204369A (en) * | 2019-05-16 | 2019-09-06 | 蒋兰琴 | Sludge fermentation fertilizer process units |
-
2008
- 2008-07-21 CN CNA2008101388108A patent/CN101372377A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310072A (en) * | 2011-05-10 | 2012-01-11 | 安阳艾尔旺新能源环境有限公司 | Garbage treatment device |
| CN102603382A (en) * | 2012-03-16 | 2012-07-25 | 清华大学 | Organic waste aerobic composting test device |
| CN103100556A (en) * | 2013-01-28 | 2013-05-15 | 广州中科建禹环保有限公司 | Kitchen waste liquefaction and double-cycle treatment integrated device |
| CN103100556B (en) * | 2013-01-28 | 2015-10-21 | 广州中科建禹环保有限公司 | Changing food waste liquefaction Two-way Cycle process integrated apparatus |
| CN104817399A (en) * | 2015-05-12 | 2015-08-05 | 安徽聚力机械制造有限公司 | Intelligent preparation system and preparation method for synthesizing quick-acting and slow-release integrated efficient ecological compound fertilizer through straw microbial fermentation |
| CN107037748A (en) * | 2016-11-22 | 2017-08-11 | 安徽聚力机械制造有限公司 | The intelligence control stalk fermentation monitored based on internet prepares multifunction compound fertilizer system |
| CN107828649A (en) * | 2017-11-07 | 2018-03-23 | 武汉和信益科技有限公司 | Large-scale full-mixing type anaerobic marsh-gas fermentation tank thermal compensation system and its process |
| CN107828649B (en) * | 2017-11-07 | 2024-04-09 | 武汉和信益科技有限公司 | Large-scale full-mixing type anaerobic biogas fermentation tank thermal compensation system and process method thereof |
| CN110204369A (en) * | 2019-05-16 | 2019-09-06 | 蒋兰琴 | Sludge fermentation fertilizer process units |
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Open date: 20090225 |