CN103421848A - Annular kiln type dry type biogas fermentation method - Google Patents
Annular kiln type dry type biogas fermentation method Download PDFInfo
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- CN103421848A CN103421848A CN2013103023176A CN201310302317A CN103421848A CN 103421848 A CN103421848 A CN 103421848A CN 2013103023176 A CN2013103023176 A CN 2013103023176A CN 201310302317 A CN201310302317 A CN 201310302317A CN 103421848 A CN103421848 A CN 103421848A
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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 discloses an annular kiln type dry type biogas fermentation method which comprises the following steps: straws are smashed, livestock manure is added, biogas slurry, the weight of which is 50% of that of the straws, is added, the straws, the livestock manure and the biogas slurry are mixed uniformly, fermentation rooms are filled with the mixture sequentially, a discharge door is closed before filling, the material is fed from a feed inlet formed in the upper part through a conveying belt, material with the thickness of about 30 cm is coated on the bottom layers of the fermentation rooms firstly; gas collecting tubes are arranged, the feed inlet is closed by an elastic membrane after each fermentation room is fully filled with the gas collecting tubes, so that each fermentation room and a gas storage bag are closed; biogas fermentation can be performed, other annular kiln type fermentation rooms are fed with material according to the same steps, the feed inlet is opened after the fermentation is completed, material is discharged from the discharge door, the gas collecting tubes are disassembled while the material is discharged, feeding, fermentation and discharging are sequentially performed on 4 to 6 fermentation rooms; the gas storage bag can supply air all the time. The annular kiln type dry type biogas fermentation method can completely solve the pollution problem of the livestock manure in a livestock farm and straws, achieve agricultural waste resource utilization, enable all agricultural wastes to be translated into clean energy and pollution-free organic fertilizers, and achieve agricultural waste zero discharge.
Description
Technical field
The present invention relates to a kind of fermentation process, be specifically related to a kind of annular kiln formula biogas dry type fermentation process, belong to agriculture environmental protection and Biomass Energy Utilization field.
Background technology
At present, along with the attention of various circles of society to agriculture environmental protection and recycling, the fermentation of agricultural wastes, the construction of methane-generating pit etc. all increase day by day.But current fermentation, methane-generating pit major part are all freestanding, can not cycle operation and ensured sustained development production, and have the slow problem of fermenting speed.
Summary of the invention
One of purpose of the present invention be to provide a kind of can cycle operation, ensured sustained development production, the annular kiln formula biogas dry type fermentation process that fermenting speed is fast.
The present invention is achieved in that
A kind of annular kiln formula biogas dry type fermentation process, used annular kiln formula biogas dry type fermentation unit to be fermented,
Described annular kiln formula biogas dry type fermentation unit, the main annular kiln formula sweathouse be separated by circular sweathouse forms, described annular kiln formula sweathouse is separated into 4 or 6 and forms by a circular sweathouse is radial from the center of circle, described circular sweathouse diameter 600cm, height 200 is to 300cm, circular sweathouse top center envelope dome, dome diameter 450cm, be the annular opening for feed between dome limit and circular sweathouse outer ring; The reservoir hag of storing biogas is installed, supporting steam line and the valve of being equipped with on reservoir hag on dome; Stay ventilating pit on the dome between each annular kiln formula sweathouse top and reservoir hag, control biogas is installed in ventilating pit and can only enters from sweathouse one-way control valve or the gate valve of reservoir hag; Be sealed and installed with elastica on opening for feed, in the outside of each annular kiln formula sweathouse, the discharge door of high 150cm, wide 100cm be installed; Effuser for delivery of biogas in the fermentation stores is installed in each annular kiln formula sweathouse; Surround the fermented liquid recovery system of the mouth of a river, collecting gutter, retention basin composition outside circular sweathouse base portion, the valve that can control the water outlet opening and closing is arranged on water outlet.
Described fermentation also specifically comprises the steps:
By crushed stalk, add feces of livestock and poultry, the weight ratio that makes stalk and feces of livestock and poultry is 2:1, then add the natural pond liquid that accounts for stalk weight 50%, use the stirrer uniform mixing, fill one by one in order annular kiln formula sweathouse, close discharge door before filling, from the top throat-fed, first at bottom tiling 30cm left and right thickness with travelling belt; Then arrange the level set tracheae, between parallel adjacent level effuser, mean distance is less than 100cm; With elbow or threeway, with tiltedly straight effuser, be connected; Charging limit, limit connects, and tiltedly straight effuser is held up on limit section by section; The oblique oblique center of circle of the straight gas collection mouth of pipe, the mouth of pipe after sweathouse piles with, seals opening for feed by elastica more than pressing close to sweathouse top or elastica and being exposed to the fermented product of accumulation, makes with reservoir hag, to seal between fermentation minute; Can enter biogas fermentation, other annular kiln formula sweathouse is by the same steps as charging, after having fermented, open opening for feed, control biogas in reservoir hag by control valve and do not flow backwards to sweathouse, flying away the fermentation minute between in remaining a small amount of biogas, open discharge door, but just discharging, discharging limit, limit dismounting collecting pipe, between 4-6 fermentation divides, charging in turn, fermentation, discharging successively; All the time have 3 with top fermentation, divide between in fermentation stage, reservoir hag all the time can air feed.
Further scheme is: described elastica adopts watertight construction to make elastica and the sealing of sweathouse joint portion.
Further scheme is: the plastics tubing that described effuser is diameter 2 to 3cm has 4 promoting the circulation of qi holes, hole diameter 0.5cm, adjacent pore center of circle spacing 10cm on every a line, the adjacent lines pore position 5cm that staggers on plastics tubing; Effuser comprises level set tracheae and tiltedly straight effuser, every long 100cm of level set tracheae, tiltedly straight every length of effuser is identical with circular sweathouse height, the level set tracheae is connected by elbow or threeway with oblique straight effuser, the oblique directly oblique center of circle of the effuser mouth of pipe and be exposed at the fermented product of accumulation more than.
The present invention can thoroughly solve plant's feces of livestock and poultry and crop stalk pollution problem, realizes the agricultural wastes recycling; Make agricultural wastes all be converted into clean energy and pollution free organic fertilizer, realize the agricultural wastes zero release.
The present invention can adopt conveying belt from the top throat-fed, can adopt forklift from being located at the discharge door discharging of sweathouse outer wall, has solved the problem of biogas dry method fermentation input and output material difficulty on engineering significance; Annular kiln formula sweathouse adapts to plant's feces of livestock and poultry to be continued to produce, and continues to mix with stalk, continues the needs of charging, and continues to carry out the needs of biogas fermentation and aerogenesis.On the whole, the present invention has following advantage: 1, the sweathouse circulation is used in turn, and both suitable small-sized plant adopted, and large-scale plant preferably mass-producing cycle operation, industrialization are produced continuously; 2, fermenting speed is fast, and quality is good; 3, anaerobically fermenting had both solved the agricultural pollution problem, had produced again biogas energy, and the residuum of dry-type methane fermentation, be exactly nuisanceless fertilizer, also can be processed into the commercialization organic fertilizer.Cover elastica in addition on the sweathouse opening for feed, but the biogas storage in the intuitive judgment sweathouse and the biogas in sweathouse can be got rid of and totally to be avoided security incident; Elastica adopts the structure of water-lute, and discharge door adopts inserting slot construction and slot type tightness system, easy and simple to handle, safe and reliable, economical and practical.
The accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the present invention while there is no reservoir hag;
Fig. 2 is the structural representation of the present invention when reservoir hag is arranged;
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in accompanying drawing 1,2, at first a kind of annular kiln formula biogas dry type fermentation unit is disclosed, it is characterized in that the annular kiln formula sweathouse 1 mainly be separated by circular sweathouse forms, described annular kiln formula sweathouse is separated into 4 or 6 and forms by a circular sweathouse is radial from the center of circle, described circular sweathouse diameter 600cm, height 200 is to 300cm, and circular sweathouse top center is sealed dome 3, dome diameter 450cm is annular opening for feed 2 between dome limit and circular sweathouse outer ring; The reservoir hag 9 of storing biogas is installed, supporting steam line and the valve of being equipped with on reservoir hag on dome; Stay ventilating pit 8 on the dome 3 between each annular kiln formula sweathouse 1 top and reservoir hag, control biogas is installed in ventilating pit and can only enters from sweathouse one-way control valve or the gate valve of reservoir hag; Be sealed and installed with elastica on opening for feed, in the outside of each annular kiln formula sweathouse, the discharge door 10 of high 150cm, wide 100cm be installed; Effuser 4 for delivery of biogas in the fermentation stores is installed in each annular kiln formula sweathouse; Surround the fermented liquid recovery system of the mouth of a river 5, collecting gutter 6, retention basin 7 compositions outside circular sweathouse base portion, the valve that can control the water outlet opening and closing is arranged on water outlet.Described elastica adopts watertight construction to make elastica and the sealing of sweathouse joint portion.The plastics tubing that described effuser is diameter 2 to 3cm, have 4 promoting the circulation of qi holes on plastics tubing, hole diameter 0.5cm, adjacent pore center of circle spacing 10cm on every a line, the adjacent lines pore position 5cm that staggers; Effuser comprises level set tracheae and tiltedly straight effuser, every long 100cm of level set tracheae, tiltedly straight every length of effuser is identical with circular sweathouse height, the level set tracheae is connected by elbow or threeway with oblique straight effuser, the oblique directly oblique center of circle of the effuser mouth of pipe and be exposed at the fermented product of accumulation more than.
Concrete fermentation process is: agricultural crop straw is collected, stored up to the harvest season, the feces of livestock and poultry produced successively, and the agricultural wastes, the various lower animals of process that pass through aerobic fermentation cultivate, the waste of microorganism culturing, through pulverizing (stalk length 2-3cm gets final product), in required ratio, add special-purpose biogas fermentation microbial inoculum, use the stirrer uniform mixing.As shown in Figure 1 and Figure 2, according to a definite sequence fill one by one the fermentation minute between.Discharge door plate (or closing discharge door) is installed, with plastics film slot type tightness system sealing internally before filling.From the top throat-fed, first at bottom tiling 30cm left and right thickness with travelling belt; Then press chord line and arrange the level set tracheae, between parallel adjacent level effuser, mean distance is less than 100cm; With elbow or threeway, with tiltedly straight effuser, be connected; Charging limit, limit connects, and tiltedly straight effuser is held up on limit section by section; The oblique center of circle of the tiltedly straight gas collection mouth of pipe, more than the mouth of pipe is pressed close to sweathouse top or elastica and is exposed to the fermented product of accumulation.After sweathouse piles with, by the watertight construction of elastica sealing opening for feed, make with reservoir hag, to seal between fermentation minute; Can enter biogas fermentation.Between dividing, other fermentation presses the same steps as charging.After having fermented, can open the water-lute elastica of opening for feed, control biogas in reservoir hag by control valve and flow backwards to sweathouse, flying away between fermentation minute in remaining a small amount of biogas, open the slot type tightness system of discharge door and plastic membrane sealing, just can use the forklift discharging.Discharging limit, limit dismounting collecting pipe.Between 4-6 fermentation divides, charging in turn, fermentation, discharging successively; All the time have 3 with top fermentation, divide between in fermentation stage, reservoir hag all the time can air feed.Natural pond slag after the dry-type methane fermentation, slightly just can become nuisanceless organic fertilizer special or commercialization organic fertilizer through processing.
The above is basic embodiment of the present invention.It should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, can also make some modification and improvement, these also should be considered as belonging to protection scope of the present invention.
Claims (3)
1. an annular kiln formula biogas dry type fermentation process, is characterized in that using annular kiln formula biogas dry type fermentation unit to be fermented,
The annular kiln formula sweathouse (1) that described annular kiln formula biogas dry type fermentation unit mainly is separated by circular sweathouse forms, described annular kiln formula sweathouse is separated into 4 or 6 and forms by a circular sweathouse is radial from the center of circle, described circular sweathouse diameter 600cm, height 200 is to 300cm, circular sweathouse top center envelope dome (3), dome diameter 450cm is annular opening for feed (2) between dome limit and circular sweathouse outer ring; The reservoir hag (9) of storing biogas is installed, supporting steam line and the valve of being equipped with on reservoir hag on dome; Stay ventilating pit (8) on the dome (3) between each annular kiln formula sweathouse (1) top and reservoir hag, control biogas is installed in ventilating pit and can only enters from sweathouse one-way control valve or the gate valve of reservoir hag; Be sealed and installed with elastica on opening for feed, in the outside of each annular kiln formula sweathouse, the discharge door (10) of high 150cm, wide 100cm be installed; Effuser (4) for delivery of biogas in the fermentation stores is installed in each annular kiln formula sweathouse; Surround the fermented liquid recovery system of the mouth of a river (5), collecting gutter (6), retention basin (7) composition outside circular sweathouse base portion, the valve that can control the water outlet opening and closing is arranged on water outlet;
Described fermentation also specifically comprises the steps:
By crushed stalk, add feces of livestock and poultry, the weight ratio that makes stalk and feces of livestock and poultry is 2:1, then add the natural pond liquid that accounts for stalk weight 50%, use the stirrer uniform mixing, fill one by one in order annular kiln formula sweathouse, close discharge door before filling, from the top throat-fed, first at bottom tiling 30cm left and right thickness with travelling belt; Then arrange the level set tracheae, between parallel adjacent level effuser, mean distance is less than 100cm; With elbow or threeway, with tiltedly straight effuser, be connected; Charging limit, limit connects, and tiltedly straight effuser is held up on limit section by section; The oblique oblique center of circle of the straight gas collection mouth of pipe, the mouth of pipe after sweathouse piles with, seals opening for feed by elastica more than pressing close to sweathouse top or elastica and being exposed to the fermented product of accumulation, makes with reservoir hag, to seal between fermentation minute; Can enter biogas fermentation, other annular kiln formula sweathouse is by the same steps as charging, after having fermented, open opening for feed, control biogas in reservoir hag by control valve and do not flow backwards to sweathouse, flying away the fermentation minute between in remaining a small amount of biogas, open discharge door, but just discharging, discharging limit, limit dismounting collecting pipe, between 4-6 fermentation divides, charging in turn, fermentation, discharging successively; All the time have 3 with top fermentation, divide between in fermentation stage, reservoir hag all the time can air feed.
2. annular kiln formula biogas dry type fermentation process according to claim 1, it is characterized in that: described elastica adopts watertight construction that elastica and sweathouse joint portion are sealed.
3. annular kiln formula biogas dry type fermentation process according to claim 1, it is characterized in that: the plastics tubing that described effuser is diameter 2 to 3cm has 4 promoting the circulation of qi holes, hole diameter 0.5cm on plastics tubing, adjacent pore center of circle spacing 10cm on every a line, the adjacent lines pore position 5cm that staggers; Effuser comprises level set tracheae and tiltedly straight effuser, every long 100cm of level set tracheae, tiltedly straight every length of effuser is identical with circular sweathouse height, the level set tracheae is connected by elbow or threeway with oblique straight effuser, the oblique directly oblique center of circle of the effuser mouth of pipe and be exposed at the fermented product of accumulation more than.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116733A (en) * | 2016-06-15 | 2016-11-16 | 潍坊瀚泓节能温调设备有限公司 | Circulating feces and remains processing fertilizer production technology |
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| CN102311913A (en) * | 2010-07-07 | 2012-01-11 | 朱永彪 | Regenerated green energy anaerobic digestion tower |
| CN202017018U (en) * | 2011-04-27 | 2011-10-26 | 高清华 | Internal water-sealed combined biogas tank |
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| CN106116733A (en) * | 2016-06-15 | 2016-11-16 | 潍坊瀚泓节能温调设备有限公司 | Circulating feces and remains processing fertilizer production technology |
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