CN103451093B - Spiral self-residue discharge biogas fermentation tank - Google Patents
Spiral self-residue discharge biogas fermentation tank Download PDFInfo
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- CN103451093B CN103451093B CN201310382839.1A CN201310382839A CN103451093B CN 103451093 B CN103451093 B CN 103451093B CN 201310382839 A CN201310382839 A CN 201310382839A CN 103451093 B CN103451093 B CN 103451093B
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- tank body
- outer tank
- natural pond
- biogas
- described outer
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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
Abstract
The invention discloses a spiral self-residue discharge biogas fermentation tank which comprises an outer tank body and an inner tank body coaxially arranged, wherein a spiral baffle is arranged between the outer wall of the inner tank body and the inner wall of the outer tank body; a biogas output pipe is arranged at the top end of the outer tank body; a biogas slurry overflow pipe is arranged at a position close to the top end of the outer tank body; a feed port is formed at the bottom of the outer tank body and communicated with a feed pump; multiple biogas residue discharge pipelines are circumferentially arranged at the middle positions of the upper half part of the outer tank body and the lower half part of the outer tank body respectively; the biogas residue discharge pipelines are communicated with an inner cavity of the outer tank body and the inner cavity of a biogas residue settling vat; a settling vat backflow biogas pipe communicated with the inner cavity of the outer tank body is arranged at the top end of the biogas slag settling vat; a slag residue discharge valve port is formed at the bottom of the biogas slag settling vat. The spiral self-residue discharge biogas fermentation tank disclosed by the invention is simple in structure and safe and reliable to use, and can smoothly finish automatic removal of biogas residue while smoothly finishing biogas fermentation generation so as to realize a virtuous cycle of biogas production.
Description
Technical field
The present invention relates to biogas generation technique field, specifically a kind of spiral from slagging tap marsh-gas fermentation tank.
Background technology
At present, what marsh-gas fermentation tank generally adopted is that monoblock type is held storehouse tank body or two boxlike fermentor tanks, and they by constantly adding materials and constantly removing natural pond slag, guarantee the persistence of supplied biogas in Continuous Fermentation Processes.For how easily the natural pond slag in the tank for sewage gas of relative closure to be removed, always be a major issue of required solution while updating marsh-gas fermentation tank, currently used mode has: utilize drawing handle that natural pond slag is constantly extracted out at the bottom of tank; Utilize chain scraper at the bottom of tank, natural pond slag constantly to be extracted out; Problem of they existence is exactly that extraction mouth area of position at the bottom of tank is too little, and each natural pond quantity of slag of extracting out is very little, and can not remove totally, and this filler to next step and the fermentation of biogas bring adverse influence.For this reason, people have increased an agitator at the center of tank body, and one increases filler and natural pond liquid catches fast and be conducive to fermentation, and the 2nd, natural pond slag is stirred to the removing that is conducive to natural pond slag.Because the natural pond liquid in tank body has corrosive nature, through long-term immersion corrosion, the centre bearing of the stirring rake in tank body is easy to an ancient egg-shaped, holed wind instrument that becomes rusty, and owing to having stiffening web in the middle of every layer of blade and between tank body, therefore changes bearing and quite bothers.Based on above-mentioned inconvenience, propose a requirement to the revising of the functions of fermentor tank: how to realize in completing smoothly biogas fermentation generation, can complete smoothly again the automatic removing of natural pond slag, realize the benign cycle of biogas production.
Summary of the invention
The object of the present invention is to provide a kind of have automatic sludge discharge function and enough spiral marsh-gas fermentation tanks of certainly slagging tap of one that carries out smoothly fermentation reaction.
The present invention solves the technical scheme that its technical problem takes: a kind ofly spirally comprises from slagging tap marsh-gas fermentation tank outer tank body and interior tank body that concentric arranges, be provided with spirrillum stream plate between the outer wall of described interior tank body and the inwall of described outer tank body; The top of described outer tank body is communicated with biogas output tube, and biogas output tube is provided with opening-closing valve; At the entrance end of connection natural pond, the position liquid discharger near the top of described outer tank body, the exit end of natural pond liquid discharger is communicated with natural pond liquid gathering barrel and natural pond liquid discharger is provided with the first control valve; Be provided with the opening for feed of opening-closing valve in the bottom of described outer tank body, and this opening for feed is communicated with the delivery port of fresh feed pump; The medium position of upper part of described outer tank body and outside the medium position of lower part of tank body, respectively along being circumferentially with multiple natural ponds slag discharge line, the input aperture of described natural pond slag discharge line is communicated with the inner chamber of described outer tank body, is provided with natural pond slag and discharges control valve on the slag discharge line of natural pond; The delivery port of described natural pond slag discharge line is communicated with respectively the inner chamber of natural pond slag settling vat; Be communicated with respectively the inlet mouth of settling vat backflow biogas pipe on the top of natural pond slag settling vat, the air outlet of described settling vat backflow biogas pipe is communicated with respectively the inner chamber of described outer tank body; On settling vat backflow biogas pipe, be provided with the second control valve; Be provided with natural pond slag in the bottom of described natural pond slag settling vat and discharge valve port.
Further, at multiple natural ponds slag discharge line of the medium position setting of upper part of described outer tank body and/or in the distribution situation of multiple natural ponds slag discharge line of the medium position setting of lower part of described outer tank body be: the rotation direction of the corresponding spirrillum stream of each natural pond slag discharge line plate distributes along helicoidal surface on described outer tank body, and is the downward angle of 5 ° to 13 ° between the axis of the each natural pond of the lead angle slag discharge line of corresponding described spirrillum stream plate and its residing horizontal plane.
Further, the medium position of upper part of described outer tank body and outside the medium position of lower part of tank body be three or four along the number of the natural pond slag discharge line circumferentially arranging respectively.
Further, unequal in the number of natural pond slag discharge line of medium position setting of upper part and the number of the natural pond slag discharge line of the medium position setting of the lower part at described outer tank body of described outer tank body.
The invention has the beneficial effects as follows: the present invention is simple in structure, use safety, reliable, when realization completes biogas fermentation generation smoothly, can complete smoothly the automatic removing of natural pond slag, thereby realize the benign cycle of biogas production.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the natural pond slag discharge line schematic diagram of the position of tank body outside;
Fig. 3 is the schematic diagram of overlooking direction of Fig. 2;
In figure: 1 outer tank body, 11 natural pond liquid dischargers, 12 first control valves, 2 interior tank bodies, 3 natural pond slag settling vats, 31 settling vat backflow biogas pipes, 32 natural pond slag discharge lines, 33 natural pond slags are discharged control valve, and 34 natural pond slags are discharged valve port, 35 second control valves, 4 fresh feed pumps, 5 spirrillum stream plates, 6 biogas output tubes.
Embodiment
For ease of understanding technology contents of the present invention, below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of spiral from slagging tap marsh-gas fermentation tank, comprise outer tank body 1 and interior tank body 2 that concentric arranges, between the outer wall of described interior tank body 2 and the inwall of described outer tank body 1, be provided with spirrillum stream plate 5, this place said spirrillum stream plate 5 is one along the inwall of outer tank body 1 and/or along the spiralling spiral plate of outer wall of interior tank body 2, and it forms the transfer passage of fermentation raw material and feed liquid; The top of described outer tank body 1 is communicated with biogas output tube 6, and described biogas output tube 6 is provided with opening-closing valve, by biogas output tube, the biogas of generation is configured to biogas consumer; At the entrance end of connection natural pond, the position liquid discharger 11 near the top of described outer tank body 1, the exit end of natural pond liquid discharger 11 is communicated with natural pond liquid gathering barrel and natural pond liquid discharger 11 is provided with the first control valve 12; Be provided with the opening for feed of opening-closing valve in the bottom of described outer tank body 1, and this opening for feed is communicated with the delivery port of fresh feed pump 4.
The medium position of upper part of described outer tank body 1 and outside the medium position (upper part of the outer tank body 1 of indication and lower part are to divide along the axis direction of outer tank body 1) of lower part of tank body 1, respectively along being circumferentially with multiple natural ponds slag discharge line 32, the input aperture of described natural pond slag discharge line 32 is communicated with the inner chamber of described outer tank body 1, is provided with natural pond slag and discharges control valve 33 on natural pond slag discharge line 32; The delivery port of described each natural pond slag discharge line 32 is communicated with respectively the inner chamber of the natural pond slag settling vat 3 corresponding with it.
As shown in Figures 2 and 3, for the medium position of upper part of described outer tank body 1 and outside the medium position of lower part of tank body 1, it can be three or four along the number of the natural pond slag discharge line 32 circumferentially arranging respectively, they adjacent between the two can be between two alternate 120 ° or 90 °, lead angle angle and the rotation direction that also can flow plate 5 according to spirrillum specifically arrange, the number of the natural pond slag discharge line 32 that the number of natural pond slag discharge line 32 arranging for the medium position of the upper part at described outer tank body 1 in addition, and the medium position of the lower part at described outer tank body 1 arrange can be consistent or inconsistent, the multiple natural ponds slag discharge line 32 arranging for the medium position of the upper part at described outer tank body 1 or the multiple natural ponds slag discharge line 32 arranging for the medium position of the lower part at described outer tank body 1, they can be in same level, also no longer in same level, for example can distinguish the lead angle of corresponding described spirrillum stream plate 5, each natural pond slag discharge line 32 is distributed along helicoidal surface on described outer tank body 1 along the rotation direction of spirrillum stream plate 5, and the angle of 5 ° to 13 ° that the lead angle of corresponding described spirrillum stream plate 5 makes to be downward between the axis of each natural pond slag discharge line 32 and its horizontal plane being distributed in (be angle in Fig. 2 a).Now the natural pond slag discharge line 32 of the medium position setting of lower part of the medium position of upper part of tank body 1 or outer tank body 1 be outside respectively tank body 1 outside upper part axial centre face or outside the top of the axial centre face of lower part of tank body 1 and bottom along circumferential arrangement.
Be communicated with respectively the inlet mouth of settling vat backflow biogas pipe 31 on the top of natural pond slag settling vat 3, the air outlet of described settling vat backflow biogas pipe 31 is communicated with respectively the inner chamber of described outer tank body 1; On settling vat backflow biogas pipe 31, be provided with the second control valve 35; Be provided with natural pond slag in the bottom of described natural pond slag settling vat 3 and discharge valve port 34.
For realizing the automatic removing of natural pond slag, avoid affecting fermentation to process because natural pond slag constantly accumulates during the fermentation, the present invention adopts the fermentation tank body of built-in spirrillum stream plate, and in reinforced process, described natural pond slag is discharged control valve 33, natural pond slag discharges valve port 34 and the second control valve 35 is all closed; The propulsive force of its high speed producing by fresh feed pump 4, high-pressure spray, make fermentation raw material and fermented liquid have the bottom of outer tank body 1 inner chamber to move up along described spirrillum stream plate 5 rollings, move upward by the heals slag constantly washing away in fill process on spirrillum stream plate 5, finally push away the outlet end import of collection to natural pond slag discharge line 32.Charging so each time is all equivalent to fermentation raw material and fermented liquid to carry out once fully mixing and stirring.
After having fed in raw material, close opening for feed opening-closing valve and the fresh feed pump 4 of the bottom of outer tank body 1; Open each natural pond slag and discharge control valve 33 and each the second control valve 35.The constantly mixed fermentation in tank body along with fermentation raw material and fermented liquid, slowly sedimentation entering in natural pond slag settling vat 3 through described natural pond slag discharge lines 32 along described spirrillum stream plate 5 of the material slag producing after fermentation, because the natural pond slag entering in natural pond slag settling vat 3 also can carry out fermentation to a certain degree, so its inner chamber is communicated with to collect the biogas of generation with the inner chamber of outer tank body 1 with settling vat backflow biogas pipe 31.
Need to by natural pond slag settling vat 3 the natural pond slag after abundant fermentation is discharged time, close natural pond slag and discharge and open natural pond slag after control valve 33 and the second control valve 35 and discharge valve port 34 and carry out the cleaning of natural pond slag.In the time of each charging or replacing fermented liquid, all to open the first control valve 12, waste and old like this fermented liquid is just discharged from from natural pond liquid discharger 11.
Claims (4)
1. spiral from slagging tap a marsh-gas fermentation tank, it is characterized in that:
Comprise outer tank body and interior tank body that concentric arranges;
Between the outer wall of described interior tank body and the inwall of described outer tank body, be provided with spirrillum stream plate;
The top of described outer tank body is communicated with biogas output tube, and biogas output tube is provided with opening-closing valve;
At the entrance end of connection natural pond, the position liquid discharger near the top of described outer tank body, the exit end of natural pond liquid discharger is communicated with natural pond liquid gathering barrel and natural pond liquid discharger is provided with the first control valve;
Be provided with the opening for feed of opening-closing valve in the bottom of described outer tank body, and this opening for feed is communicated with the delivery port of fresh feed pump;
The medium position of upper part of described outer tank body and outside the medium position of lower part of tank body, respectively along being circumferentially with multiple natural ponds slag discharge line;
The input aperture of described natural pond slag discharge line is communicated with the inner chamber of described outer tank body, is provided with natural pond slag and discharges control valve on the slag discharge line of natural pond, and the delivery port of described natural pond slag discharge line is communicated with respectively the inner chamber of natural pond slag settling vat;
Be communicated with respectively the inlet mouth of settling vat backflow biogas pipe on the top of natural pond slag settling vat, the air outlet of described settling vat backflow biogas pipe is communicated with respectively the inner chamber of described outer tank body;
On settling vat backflow biogas pipe, be provided with the second control valve;
Be provided with natural pond slag in the bottom of described natural pond slag settling vat and discharge valve port;
At multiple natural ponds slag discharge line of the medium position setting of upper part of described outer tank body and/or in the distribution situation of multiple natural ponds slag discharge line of the medium position setting of lower part of described outer tank body be: the rotation direction of the corresponding spirrillum stream of each natural pond slag discharge line plate distributes along helicoidal surface on described outer tank body, and the lead angle of corresponding described spirrillum stream plate makes to be between the axis of each natural pond slag discharge line and its residing horizontal plane the downward angle of 5 ° to 13 °.
2. according to claim 1 spiral from the marsh-gas fermentation tank of slagging tap, it is characterized in that: be three or four along the circumferential number of the natural pond slag discharge line of setting respectively at the medium position of upper part of described outer tank body and the medium position of lower part of outer tank body.
3. according to claim 1 spiral from slagging tap marsh-gas fermentation tank, it is characterized in that: the number of natural pond slag discharge line of medium position setting of upper part and the number of the natural pond slag discharge line of the medium position setting of the lower part at described outer tank body at described outer tank body are unequal.
4. according to claim 2 spiral from slagging tap marsh-gas fermentation tank, it is characterized in that: the number of natural pond slag discharge line of medium position setting of upper part and the number of the natural pond slag discharge line of the medium position setting of the lower part at described outer tank body at described outer tank body are unequal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310382839.1A CN103451093B (en) | 2013-08-28 | 2013-08-28 | Spiral self-residue discharge biogas fermentation tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310382839.1A CN103451093B (en) | 2013-08-28 | 2013-08-28 | Spiral self-residue discharge biogas fermentation tank |
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| Publication Number | Publication Date |
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| CN103451093A CN103451093A (en) | 2013-12-18 |
| CN103451093B true CN103451093B (en) | 2014-10-29 |
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| CN201310382839.1A Expired - Fee Related CN103451093B (en) | 2013-08-28 | 2013-08-28 | Spiral self-residue discharge biogas fermentation tank |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107058068A (en) * | 2017-05-03 | 2017-08-18 | 山东帝得现代农牧科技有限公司 | A kind of multiple-tank body biogas generating device |
| CN111662803B (en) * | 2020-06-11 | 2023-06-13 | 中农新科(苏州)有机循环研究院有限公司 | Gas-liquid circulation system of airlift fermentation tank |
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| JPS5633100A (en) * | 1979-08-27 | 1981-04-03 | Kazuichi Torii | Methane gas generating device |
| CN2592650Y (en) * | 2002-12-30 | 2003-12-17 | 于福伦 | Vortex combined heat-preserving methane apparatus |
| CN2719841Y (en) * | 2003-06-12 | 2005-08-24 | 刘准 | Inter mittent feeding flow-pushing agitation light methane generator |
| CN101255399A (en) * | 2007-06-20 | 2008-09-03 | 兰州理工大学 | Methane producer |
| CN101372659A (en) * | 2008-10-23 | 2009-02-25 | 南京工业大学 | Horizontal type anaerobic reactor |
| CN101509015A (en) * | 2009-03-19 | 2009-08-19 | 农业部沼气科学研究所 | Upthrust flow stalk marsh gas fermentation process and apparatus |
| WO2010102746A1 (en) * | 2009-03-10 | 2010-09-16 | Oag Objekt- Und Anlagenplanungsgesellschaft Mbh | Fermenter for a biogas plant |
| CN101974413A (en) * | 2010-10-22 | 2011-02-16 | 东北农业大学 | Dry type anaerobic fermentation tank |
| CN201914971U (en) * | 2010-11-15 | 2011-08-03 | 孙立渝 | Barrel-shaped spiral upstream anaerobic device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005026372A1 (en) * | 2005-06-07 | 2006-12-14 | Hitze, Winfried, Prof. Dr.-Ing. | Fermentative residue conditioning device comprises spiral filter press for solid-liquid separation with helical, upward ascending channel, inlet for liquid suspension, discharge openings, and cyclone filter with tubular fine-meshed filter |
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2013
- 2013-08-28 CN CN201310382839.1A patent/CN103451093B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5633100A (en) * | 1979-08-27 | 1981-04-03 | Kazuichi Torii | Methane gas generating device |
| CN2592650Y (en) * | 2002-12-30 | 2003-12-17 | 于福伦 | Vortex combined heat-preserving methane apparatus |
| CN2719841Y (en) * | 2003-06-12 | 2005-08-24 | 刘准 | Inter mittent feeding flow-pushing agitation light methane generator |
| CN101255399A (en) * | 2007-06-20 | 2008-09-03 | 兰州理工大学 | Methane producer |
| CN101372659A (en) * | 2008-10-23 | 2009-02-25 | 南京工业大学 | Horizontal type anaerobic reactor |
| WO2010102746A1 (en) * | 2009-03-10 | 2010-09-16 | Oag Objekt- Und Anlagenplanungsgesellschaft Mbh | Fermenter for a biogas plant |
| CN101509015A (en) * | 2009-03-19 | 2009-08-19 | 农业部沼气科学研究所 | Upthrust flow stalk marsh gas fermentation process and apparatus |
| CN101974413A (en) * | 2010-10-22 | 2011-02-16 | 东北农业大学 | Dry type anaerobic fermentation tank |
| CN201914971U (en) * | 2010-11-15 | 2011-08-03 | 孙立渝 | Barrel-shaped spiral upstream anaerobic device |
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| CN103451093A (en) | 2013-12-18 |
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