CN203999604U - With joint efforts upper plug-flow anaerobic reactor - Google Patents

With joint efforts upper plug-flow anaerobic reactor Download PDF

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Publication number
CN203999604U
CN203999604U CN201420431084.XU CN201420431084U CN203999604U CN 203999604 U CN203999604 U CN 203999604U CN 201420431084 U CN201420431084 U CN 201420431084U CN 203999604 U CN203999604 U CN 203999604U
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CN
China
Prior art keywords
tank
fermentor tank
feed
interior
tank body
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Expired - Fee Related
Application number
CN201420431084.XU
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Chinese (zh)
Inventor
李淑兰
梅自力
张国治
刘萍
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Biogas Institute of Ministry of Agriculture
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Biogas Institute of Ministry of Agriculture
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/20Sludge processing

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Abstract

The utility model discloses a kind of upper plug-flow anaerobic reactor of making a concerted effort, described interior fermentor tank tank body is arranged in outer fermentation tank, and described interior fermentor tank tank body and outer fermentation tank coaxially arrange, described opening for feed is arranged on the bottom of outer fermentation tank outer wall, described opening for feed is connected with feed-pipe, described discharge port is arranged on the middle part of interior fermentor tank tank body diapire, described discharge port is connected with discharge nozzle, described fermentor tank cover is arranged on the top of outer fermentation tank, described venting port is arranged on the top of fermentor tank cover, described venting port is connected with biogas vapor pipe.The beneficial effects of the utility model are: utilize the force actions such as thrust in charging, buoyancy, biogas rising to promote feed liquid floating, the effect of recycling gravity and biogas pressure promotes discharging, has solved the problem of the contour fibrous material biogas fermentation of stalk discharging difficulty.

Description

With joint efforts upper plug-flow anaerobic reactor
Technical field
The utility model relates to biogas engineering and field of environment engineering, is specifically related to a kind of upper plug-flow anaerobic reactor of making a concerted effort.
Background technology
Utilize stalk, energy-source plant and rubbish as raw material production biogas, not only efficiently utilized agricultural crop straw and rubbish the like waste, and can also solve fowl poultry kind ight soil marsh gas raw materials deficiency and cause the idle problem of biogas engineering.Because the content of cellulose of stalk, energy-source plant, rubbish and cattle farm excrement dirt is higher, in anaerobic digestion process, lignocellulose is difficult for decomposing, and easily layering forms scum silica frost, and mobility is poor, discharging difficulty.At present, for crop material, energy-source plant, the marsh gas fermentation process of the high cellulose content raw materials such as rubbish mainly contains: liquid digestion, solid-state digestion and solid-liquid two-phase digestion process, liquid digestion techniques has been widely used in the processing of mixing raw material abroad, but because material water ratio is high, the required digestive organ volume of this technology is larger, heating and stirring energy consumption are high, and the easy discharging of microorganism is run off, because stalk solids concn is high, input and output material difficulty, the digestion of straw methane engineering solid feeds intake as main taking sequence batch (, mainly contain overlay film groove dry type, garage (freight container) formula and red-sludge plastic anaerobic digestion process, as notification number CN2903075, day for announcing 2007.5.23, patent name is methane tank of high solid constant pressure straw fermentation, owing to there being aerogenesis peak in single digestion period, underestimate the features such as obvious, therefore sequence batch (biogas engineering mostly adopts the mode of multiple different digestion phase reactor parallel connection to move.Sequence batch (exists production unstable, the problems such as input and output material labour intensity is large, in the situation that the price of labour power increases day by day, this technique is more and more restricted in the application of big-and-middle-sized biogas, solid-liquid two-phase digestion process is by dividing solid phase and liquid phase fermentation raw material in different zones, separate with methanogenic phase mutually to reach product acid, and utilize natural pond liquid to reflux and realize circulation inoculation.According to the difference of number of reactors, there are separate type two-phase and integrated two-phase anaerobic digestion techniques, separate type two-phase technique can be criticized digestive organ parallel connection and reached by the continuous dosing of solid phase digestive organ or multiple order in different digestion phases the continuous and steady operation of whole system, as notification number CN101857882A, day for announcing 2010.10.13, patent name is the technique of a kind of crop material and feces of livestock and poultry producing biogas by two-stage anaerobic fermentation, due to multiple digestive organs being set, cost of investment is higher, and two-phase is difficult to separate completely, produces acid and easily produce mutually methane.Integrated two-phase anaerobic digestion techniques is in same reactor, to realize the continuous anaerobic technique of solid phase and the digestion of liquid phase subregion, as notification number CN101020912, day for announcing 2007.8.22, patent name is a kind of method that stalk mixing fermentation by methane bacterium refluxing and pulverizing is produced biogas, this technology feeds intake by continuity, and discharging makes biogas production continous-stable, but discharging is difficulty still.As notification number CN202379981U, day for announcing 2012.8.15, patent name is stalk anaerobic fermentation deflector type drawing mechanism, although this device has certain improvement at stalk anaerobic fermentation discharging technical elements, through repeated tests, still find that there is weak point, if when especially the input and output material cycle is greater than 2 days, feed liquid easily hardens in the corner of bottom of device, and blocking pipe causes feed liquid normally not flow out.
Utility model content
The utility model has overcome the deficiency of the discharging difficulty existing for stalk high cellulose content raw material marsh gas fermentation processes in prior art, and a kind of upper plug-flow anaerobic reactor of making a concerted effort that solves the difficult problem of the contour fibrous material biogas fermentation of stalk discharging is provided.
For achieving the above object, the utility model is by the following technical solutions:
A kind of upper plug-flow anaerobic reactor of making a concerted effort, by outer fermentation tank, interior fermentor tank tank body, opening for feed, feed-pipe, discharge port, discharge nozzle, fermentor tank cover, venting port and biogas vapor pipe composition, described interior fermentor tank tank body is arranged in outer fermentation tank, and described interior fermentor tank tank body and outer fermentation tank coaxially arrange, described opening for feed is arranged on the bottom of outer fermentation tank outer wall, described opening for feed is connected with feed-pipe, described discharge port is arranged on the middle part of interior fermentor tank tank body diapire, described discharge port is connected with discharge nozzle, described fermentor tank cover is arranged on the top of outer fermentation tank, described venting port is arranged on the top of fermentor tank cover, described venting port is connected with biogas vapor pipe.
In the technical program, pass through the double-layer fermentation tank body being formed by outer fermentation tank and interior fermentor tank tank body, internal layer fermentor tank tank body plays the effect of separating scum silica frost to a certain extent, alleviate the formation of scum silica frost, adopt pulling flow type, do not need to stir, can energy efficient, passing through to adopt bilayer structure, utilize the force actions such as thrust in charging, buoyancy, biogas raising force to promote feed liquid floating, the effect of recycling gravity and biogas pressure promotes discharging, has solved the problem of the contour fibrous material biogas fermentation of stalk discharging difficulty.
Further technical scheme is, described outer fermentation tank is cylindrical, and the interior diameter of described outer fermentation tank is 1:3-5 with the ratio of the height of outer fermentation tank body.
Further technical scheme is, described interior fermentor tank tank body is cylindrical, and the interior diameter of described interior fermentor tank tank body is 1:12-15.5 with the ratio of the height of interior fermentor tank tank body.
Further technical scheme is, described opening for feed is 200-400mm apart from outer fermentation tank bottom.
Further technical scheme is, the diameter of described discharge port is 500-800mm.
Further technical scheme is, described fermentor tank cover is taper, and the tapering of described fermentor tank cover is 50-70 degree.
Compared with prior art, the beneficial effects of the utility model are:
1, fermentor tank tank body adopts double layer design, and interior fermentor tank tank body plays the effect that separates scum silica frost to a certain extent, alleviates the formation of scum silica frost;
2, utilize the force actions such as thrust in charging, buoyancy, biogas rising to promote feed liquid floating, the effect of recycling gravity and biogas pressure promotes discharging, has solved the problem of the contour fibrous material biogas fermentation of stalk discharging difficulty;
3, fermentation raw material wide adaptability, both can be for the biogas fermentation of stalk, the contour fibrous material of energy-source plant, also can be for feces of livestock and poultry fermenting raw materials.
Brief description of the drawings
Fig. 1 is the structural representation of the upper plug-flow anaerobic reactor of making a concerted effort of a kind of embodiment of the utility model.
As shown in Figure 1, wherein the Reference numeral name of correspondence is called:
1 outer fermentation tank, 2 interior fermentor tank tank bodies, 3 opening for feeds, 4 feed-pipes, 5 discharge ports, 6 discharge nozzles, 7 fermentor tank covers, 8 venting ports, 9 biogas vapor pipes.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further elaborated.
Embodiment 1
The with joint efforts upper plug-flow anaerobic reactor of one as shown in Figure 1, by outer fermentation tank 1, interior fermentor tank tank body 2, opening for feed 3, feed-pipe 4, discharge port 5, discharge nozzle 6, fermentor tank cover 7, venting port 8 and biogas vapor pipe 9 form, described interior fermentor tank tank body 2 is arranged in outer fermentation tank 1, and described interior fermentor tank tank body 2 and outer fermentation tank 1 coaxially arrange, described opening for feed 3 is arranged on the bottom of outer fermentation tank 1 outer wall, described opening for feed 3 is connected with feed-pipe 4, described discharge port 5 is arranged on the middle part of interior fermentor tank tank body 2 diapires, described discharge port 5 is connected with discharge nozzle 6, described fermentor tank cover 7 is arranged on the top of outer fermentation tank 1, described venting port 8 is arranged on the top of fermentor tank cover 7, described venting port 8 is connected with biogas vapor pipe 9.
According to an embodiment of the present utility model, described outer fermentation tank 1 is cylindrical, and the interior diameter of described outer fermentation tank 1 is 1:3 with the ratio of the height of outer fermentation tank body 1.
According to an embodiment of the present utility model, described interior fermentor tank tank body 2 is cylindrical, and the interior diameter of described interior fermentor tank tank body 2 is 1:12 with the ratio of the height of interior fermentor tank tank body 2.
According to an embodiment of the present utility model, described opening for feed 3 is 200mm apart from outer fermentation tank 1 bottom.
According to an embodiment of the present utility model, the diameter of described discharge port 5 is 500mm.
According to an embodiment of the present utility model, described fermentor tank cover 7 is taper, and the tapering of described fermentor tank cover 7 is 50 degree.
Embodiment 2
The present embodiment is from the different of embodiment 1: the interior diameter of described outer fermentation tank 1 is 1:4 with the ratio of the height of outer fermentation tank body 1, the interior diameter of described interior fermentor tank tank body 2 is 1:14 with the ratio of the height of interior fermentor tank tank body 2, described opening for feed 3 is 300mm apart from outer fermentation tank 1 bottom, the diameter of described discharge port 5 is 650mm, and the tapering of described fermentor tank cover 7 is 60 degree.
Embodiment 3
The present embodiment is from the different of embodiment 1: the interior diameter of described outer fermentation tank 1 is 1:5 with the ratio of the height of outer fermentation tank body 1, the interior diameter of described interior fermentor tank tank body 2 is 1:15.5 with the ratio of the height of interior fermentor tank tank body 2, described opening for feed 3 is 400mm apart from outer fermentation tank 1 bottom, the diameter of described discharge port 5 is 800mm, and the tapering of described fermentor tank cover 7 is 70 degree.
Principle of work of the present utility model is as follows:
Fermentation raw material from the feed-pipe 4 of marsh-gas fermentation tank tank base enter marsh-gas fermentation tank fermentation tank 1, fermentation raw material undergoes microbial fermentation and produces biogas, thrust in charging, buoyancy, under the force actions such as biogas raising force, feed liquid and scum silica frost rise to marsh-gas fermentation tank top, and be pushed into joint efforts the entrance of interior fermentor tank tank body 2, under the effect of gravity and biogas pressure, feed liquid and scum silica frost flow down naturally along interior fermentor tank tank body 2 inwalls, discharge feed liquid and scum silica frost from discharge nozzle 6, biogas enters biogas vapor pipe 9 from marsh-gas fermentation tank top, after purifying, act on life fuel or generating.
Above embodiment is elaborated to essence of the present utility model; but can not limit protection domain of the present utility model; apparently; under enlightenment of the present utility model; the art those of ordinary skill can also carry out many improvement and modification; within it should be noted that these improvement and modification all drop on claim protection domain of the present utility model.

Claims (6)

1. the upper plug-flow anaerobic reactor of making a concerted effort, by outer fermentation tank (1), interior fermentor tank tank body (2), opening for feed (3), feed-pipe (4), discharge port (5), discharge nozzle (6), fermentor tank cover (7), venting port (8) and biogas vapor pipe (9) composition, described interior fermentor tank tank body (2) is arranged in outer fermentation tank (1), and described interior fermentor tank tank body (2) and outer fermentation tank (1) coaxially arrange, described opening for feed (3) is arranged on the bottom of outer fermentation tank (1) outer wall, described opening for feed (3) is connected with feed-pipe (4), described discharge port (5) is arranged on the middle part of interior fermentor tank tank body (2) diapire, described discharge port (5) is connected with discharge nozzle (6), described fermentor tank cover (7) is arranged on the top of outer fermentation tank (1), described venting port (8) is arranged on the top of fermentor tank cover (7), described venting port (8) is connected with biogas vapor pipe (9).
2. the upper plug-flow anaerobic reactor of making a concerted effort according to claim 1, it is characterized in that described outer fermentation tank (1) is for cylindrical, the ratio of the height of the interior diameter of described outer fermentation tank (1) and outer fermentation tank body (1) is 1:3-5.
3. the upper plug-flow anaerobic reactor of making a concerted effort according to claim 1, it is characterized in that described interior fermentor tank tank body (2) is for cylindrical, the ratio of the height of the interior diameter of described interior fermentor tank tank body (2) and interior fermentor tank tank body (2) is 1:12-15.5.
4. the upper plug-flow anaerobic reactor of making a concerted effort according to claim 1, is characterized in that described opening for feed (3) is 200-400mm apart from outer fermentation tank (1) bottom.
5. the upper plug-flow anaerobic reactor of making a concerted effort according to claim 1, the diameter that it is characterized in that described discharge port (5) is 500-800mm.
6. the upper plug-flow anaerobic reactor of making a concerted effort according to claim 1, is characterized in that described fermentor tank cover (7) is for taper, and the tapering of described fermentor tank cover (7) is 50-70 degree.
CN201420431084.XU 2014-07-31 2014-07-31 With joint efforts upper plug-flow anaerobic reactor Expired - Fee Related CN203999604U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106115818A (en) * 2016-08-31 2016-11-16 陈师楚 A kind of spiral lamina pressure tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106115818A (en) * 2016-08-31 2016-11-16 陈师楚 A kind of spiral lamina pressure tank

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Granted publication date: 20141210

Termination date: 20150731

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