CN209383786U - A kind of chicken farm anaerobic fermentation system - Google Patents
A kind of chicken farm anaerobic fermentation system Download PDFInfo
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- CN209383786U CN209383786U CN201822099275.1U CN201822099275U CN209383786U CN 209383786 U CN209383786 U CN 209383786U CN 201822099275 U CN201822099275 U CN 201822099275U CN 209383786 U CN209383786 U CN 209383786U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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Abstract
The utility model discloses a kind of chicken farm anaerobic fermentation systems, including feed unit, anaerobic digestion unit and biogas storage unit；The feed unit includes mixer and the screw pump that is installed in mixer；The anaerobic digestion unit includes vertical digester, and the discharge outlet of the mixer passes through the top that the material that mixer processing is completed is delivered to loading hopper I by the feeding pipe being obliquely installed；Blender is equipped in the fermentor, the top of the fermentor is equipped with biogas exhaust outlet, and the bottom end of the fermentor is equipped with biogas slurry outlet and biogas residue outlet；Biogas storage unit includes biogas storage cabinet and methane boiler, and the biogas exhaust outlet is connected by biogas conveyance conduit I with biogas storage cabinet, and the biogas storage cabinet is connected by biogas conveyance conduit II with methane boiler.The utility model can make enterprise realize that clean manufacturing, resource utilize at many levels, and enterprise is made to promote image, increase income, realization is fast-developing, and drives the benign cycle of periphery industry.
Description
Technical field
The utility model belongs to biological waste recovery energy technical field, and in particular to a kind of chicken farm anaerobic fermentation
System.
Background technique
China has been difficult to adapt to work as production of energy state the biggest in the world and country of consumption, traditional energy production and consumption models
Preceding situation.Under the new normality that the shift of economic speedup, resource environment constraint are becoming tight, promotion energy revolution is imperative, carves and does not allow
It is slow.At this stage, actual demand cannot be fully met by substitution of the single clean energy resource to traditional energy.Moreover, China is
Large agricultural country, being excessively used for chemical fertilizer cause soil organic matter content to decline year by year with organic fertilizer application deficiency, soil fertility drop
Low and stability is poor, causes NO3-N and NO2-N isoconcentration in underground water and crop exceeded, pollutes environment, influences food peace
Entirely.The effect of organic matter in the soil is that any other element is irreplaceable, for maintain structure of soil microbial community,
Density, water moisture self restraint keep the reasonable physicochemical property of soil, improve N P and K and microelement utilization rate and fertilizer efficiency period,
Crop resistance, stimulation plant growth, raising crop yield and quality is improved to play a significant role.
Although feces of livestock and poultry direct returning to farmland is conducive to improve the content of organic matter in soil, but there are dirty, smelly, influence rings
The problems such as border health, Yi Yinqi crop disease and insect, low polluted underground water and Nutrient Absorption rate, a large amount of easily drop in feces of livestock and poultry
Solution organic matter easily causes soil acidification, smelly, long-term a large amount of to use the raising for being unfavorable for soil quality.Straw directly returning to field,
Nutrient uptake and utilization is slow, and the disease pest ovum of stalk attachment is not killed, next season crop disease and insect is easily aggravated, due to directly also
The stalk size in field is larger, often adversely affects to crop sowing and preserving soil moisture.Either stalk or animal dung
Just, the main component for constituting its biomass is the large biological molecules such as cellulose, hemicellulose, lignin and some degradable
There is very big difference in small molecule compound, this and the organic matter fraction largely needed in excellent soil --- humic acid, as
Fertilizer is directly applied, and fertilizer efficiency needs longer cycle that can just show.
The agriculture wastes biomass such as stalk, feces of livestock and poultry passes through long period strictly anaerobic fermentation process, in biomass
Degradable component and portion of cellulose, hemicellulose are converted into biogas, and residual biomass is under complicated microbiologic population's effect
Partial digestion occurs, is conducive to convert to fulvo acids such as fulvic acid, while parasitizing the disease pest ovum in biomass, nocuousness
Microorganism etc. largely is killed, fermentation process generate indoles, acetic acid and other types of antibacterial, Fungicidal substance for
Crop disease and insect is inhibited to have positive effect.Therefore the organic of high-quality can be produced using biogas residue remaining after fermentation as raw material
Fertilizer product.Northern area livestock and poultry cultivation, which is used, can mainly use coal-burning boiler, but due to the limitation of scale etc., the coal-burning boiler used
It is mostly small-sized coal-burning boiler, due to lacking pollution control measure, the problems such as energy consumption is high, so eliminating in catalogue.
Intensive livestock and poultry farms and extensive agricultural planting area, which carry out the planning of energy environment demonstration project, to be passed through in its people
It is proposed under the background of Ji developing new stage.The fast development of China's economy and society over more than 20 years, is caused to ecological environment
Serious destruction.With the realization of national economic development first stage strategic objective and the raising of living standards of the people, people
Common demands pollution administration, improves the ecological environment.In recent years, agricultural pollution improvement has been included in important agenda.Agricultural area source
Pollution (polluting comprising aquaculture and planting industry) is to lead to one of principal element of environmental pollution, therefore reinforce aquaculture and plantation
Energy-environment project is implemented in the environmental management of industry, improves organic manure application rate, for administering agricultural pollution, improving the ecological environment
Quality realizes that sustainable development is of great significance.
From after joining WTO, the agricultural and sideline products such as meat, egg, milk, fruit, the dish in China repeatedly meet with green barrier in China.It causes
The reason of this phenomenon is every aspect, and wherein one of the main reasons is exactly that our breeding environment condition is too poor and agriculture apply
Fertilizer is improper.To thoroughly capture the big problem that this is related to that China's agricultural development quality has, must just be stopped from source
The unreasonable problem dirty, random, poor with fertilizer, breeding environment of agribusiness.Feces of livestock and poultry, agricultural stalk waste are both pollution sources,
It is valuable resource again.Recycling, innoxious, synthesization processing only are carried out to feces of livestock and poultry, agriculture waste stalk, i.e., energetically
Development can just be truly realized using biogas project as the ecological engineering of tie and both reduce pollution, protect agroecological environment, and can be real
The regeneration of existing resource, to reach the unification of society, economic, ecological three benefits.
Summary of the invention
It is in view of the drawbacks of the prior art and insufficient, the utility model by providing a kind of chicken farm anaerobic fermentation system,
Effectively to solve above-mentioned technical problem.
To achieve the above object, the technical solution of the utility model are as follows:
A kind of chicken farm anaerobic fermentation system, including feed unit, anaerobic digestion unit and biogas storage unit；It is described
Feed unit includes material mixer and the screw pump that is installed in material mixer, and the top of the material mixer is equipped with
Feed inlet I, the rear end of the material mixer are equipped with the discharge port being connected with anaerobic digestion unit；The anaerobic digestion unit
Including vertical digester, the top of the fermentor is equipped with the feed inlet II being connected with feed unit, the fermentor into
Loading hopper II is equipped at material mouth II, the discharge outlet of the material mixer passes through the feeding pipe being obliquely installed and mixes material
The material that clutch processing is completed is delivered at loading hopper II；Blender, the top of the fermentor are equipped in the fermentor
Equipped with biogas exhaust outlet, the bottom end of the fermentor is equipped with biogas slurry outlet and biogas residue outlet, sets at the biogas slurry outlet
There is filter screen；The biogas storage unit includes biogas storage cabinet and methane boiler, and the biogas exhaust outlet is conveyed by biogas
Pipeline I is connected with biogas storage cabinet, and the biogas storage cabinet is connected by biogas conveyance conduit II with methane boiler, the biogas
Boiler is connected with external water source by aqueduct；Inside and outside two layers of collet is equipped in the tube wall of the fermentor, wherein outer layer
Be equipped with insulating layer in collet, the bottom end and top of the internal layer collet be respectively equipped with the water inlet line being connected with methane boiler and
Outlet conduit, the outlet conduit are equipped with the water circulating pump of the water flow blowback methane boiler in internal layer collet.
Preferably, loading hopper I is equipped at the feed inlet I of the material mixer；Charging is equipped at the feed inlet II
Switch；Flow control switch I and flow control switch II are respectively equipped on the outlet conduit and water inlet line；The biogas is defeated
Pipeline I is sent to be equipped with biogas delivery control valve I, the biogas conveyance conduit II is equipped with biogas delivery control valve II；The natural pond
Biogas slurry discharge line is connected at liquid outlet, the biogas slurry discharge line is equipped with biogas slurry and collects control valve；The biogas residue row
Exit is connected with biogas residue discharge line, and the biogas residue discharge line is equipped with biogas residue and collects control valve.
Preferably, the anaerobic digestion unit further includes controller, and the controller is connected to which control is stirred with blender
Mix the opening and closing and mixing speed of device；The pH meter being connected respectively with controller is additionally provided in the fermentor, oxidation-reduction potential is surveyed
Determine instrument, level gauging instrument, positive/negative pressure protector and thermometer.
Preferably, the insulating layer uses rock wool heat-preservation layer or high density extruded sheet.
The utility model additionally provides the application method of the chicken farm anaerobic fermentation system, comprising the following steps:
(1) stalk, chicken manure it will be entered in material mixer as fermentation substrate by feed inlet I and be stirred after high-temperature sterilization
Mixing is mixed, then is delivered in fermentor by screw pump；
(2) the charging switch for closing fermentor, carries out anaerobic fermentation；
(3) after fermentation, it opens biogas slurry and collects control valve and biogas residue collection control valve collection biogas slurry and biogas residue；
(4) it will be mixed in the part biogas slurry of step (3) collection, biogas residue and new chicken manure, stalk merging material mixer
Stirring is closed, fermentor is then sent to and carries out new round fermentation, repeat step (2)-(4).
Preferably, in step (1), the stalk is through the smashed stalk of pulverizer；The weight of the stalk and chicken manure
Than for 9-12:1.
Preferably, in step (2), combination strain agent is inoculated with before anaerobic fermentation into fermentor, the combination microbial inoculum accounts for fermentation
The 0.12~0.19% of substrate total weight；The combination microbial inoculum is by bacillus licheniformis: bacillus subtilis: solution starch gemma bar
Bacterium: brewer's yeast: lactic acid bacteria: bafillus natto is formed according to the weight ratio of 2:11:5:9:4:1.
Preferably, in step (2), the time that fermentation substrate ferments in fermentor is 20 days, fermentation temperature 35-38
DEG C, pH 6.5；In fermentation process, biogas delivery control valve is in the open state, and biogas slurry collects control valve and biogas residue collects control
Valve is in close state.
Preferably, in step (2), when temperature drift in fermentor, by methane boiler to the internal layer collet of fermentor
Interior conveying cold water cools down to fermentor；When temperature is relatively low in fermentor, the biogas generated using fermentor is in biogas pot
Water body is heated in burning in furnace, and then the water body after heating is delivered in internal layer collet and is heated up to fermentor.
Preferably, in step (4), biogas slurry: biogas residue: chicken manure: stalk is mixed according to weight ratio 2:0.5:9-12:1.
Compared with prior art, the utility model has the advantages that
(1) the utility model can Renewable Energy Development, realize circular economy.The utility model is by the livestock and poultry of farm
The wastes such as fecaluria and periphery rice straw, cornstalk etc. fully utilize, and on the one hand develop biogas renewable energy, realize discarded
On the other hand the resource utilization of object avoids the discharge of pollutant, by the implementation of the utility model, can be realized biogas work
The two-way cleaning function of journey.
(2) the utility model can be realized clean manufacturing, preserve the ecological environment.The utility model is fought according to sustainable development
Slightly with " national improvement of the ecological environment planning ", the seriously polluted problem of livestock and poultry cultivation night soil must be administered thoroughly, effectively be solved
The certainly problem of environmental pollutions such as livestock and poultry farm solid, liquid debris and gas stench.
(3) the utility model plays project exemplary role, the especially northern area in China's cold, passes through process innovation
And Optimum design of engineering structure, it improves biogas project energy output, reduce engineering energy consumption, reduce cold district biogas project running cost
With while itself obtains environmental benefit and economic benefit, promotion China's biogas project is horizontal quickly to be improved, and forms cold ground
The construction of area's biogas project and operational mode.
(4) the utility model is able to drive the coordinated development of modern agriculture, and by the construction of the engineering, biogas residue is raw material
Organic fertilizer can make planting industry increasing both production and income, it can be achieved that grain and green food safety in production, while can also for cultivation foot be provided
Enough feed resources, it is ensured that the scale benign development of aquaculture.
(5) the utility model is suitble to the anaerobism hair that high concentration, impurity content are high, are not likely to produce the excessively properties material such as acidification
Ferment, the technology of the utility model are not needed to complicated processing of removing sand is carried out containing husky class material, and technology is simpler, miscellaneous
Matter is not easy to form line clogging, and high concentration material fermentation process energy consumption is lower.
To sum up, by the implementation of the utility model, enterprise can be made to realize that clean manufacturing, resource utilize at many levels, make to look forward to
Industry promotes image, increases income, realizes fast development, and drive the benign cycle of periphery industry.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic diagram of the chicken farm anaerobic fermentation system of the utility model；
Appended drawing reference: A, feed unit；B, anaerobic digestion unit；C, biogas storage unit；1, material mixer；2, it feeds
Funnel I；3, screw pump；4, fermentor；5, loading hopper II；6, feeding pipe；7, blender；8, biogas slurry discharge line；9, natural pond
Liquid collects control valve；10, biogas residue discharge line；11, biogas residue collects control valve；12, outer layer collet；13, internal layer collet；14, go out
Waterpipe；15, water inlet line；16, flow control switch I；17, flow control switch II；18, water circulating pump；19, biogas storage
Cabinet；20, methane boiler；21, biogas conveyance conduit I；22, biogas conveyance conduit II；23, biogas delivery control valve I；24, biogas
Delivery control valve II；25, filter screen.
Specific embodiment
The utility model is described in further detail With reference to embodiment.
Embodiment 1
As shown in Figure 1, a kind of chicken farm anaerobic fermentation system, including the feed unit for crushing and conveying material
(A), for carrying out the anaerobic digestion unit (B) of continuous anaerobic fermentation, and the biogas storage unit for biogas storage
(C)。
The feed unit (A) includes material mixer 1, and the top of the material mixer 1 is equipped with feed inlet I (in figure
It is not shown), the loading hopper I 2 for facilitating material to enter, the material mixing are equipped at the feed inlet I of the material mixer 1
The rear end of device 1 is equipped with the discharge port (not shown) being connected with anaerobic digestion unit.It is equipped in the material mixer 1
Screw pump 3, in whipping process, material is constantly pushed with plug flow type to 1 rear end of material mixer.
The anaerobic digestion unit (B) includes controller (not shown) and vertical digester 4, the fermentor 4
Top is equipped with the feed inlet II (not shown) that is connected with feed unit, the place the feed inlet II of the fermentor 4 equipped with into
Material switchs and for facilitating material to enter the loading hopper II 5 of fermentor 4, and the discharge outlet of the material mixer 1 passes through
The material that the processing of material mixer 1 is completed is delivered to the top of loading hopper II 5 by the feeding pipe 6 being obliquely installed, described defeated
The angle of pipe material 6 and horizontal plane is preferably 30 ° -60 °.Blender 7, the controller and stirring are equipped in the fermentor 4
Device 7 is connected to control the opening and closing and mixing speed of blender 7, and blender 7 can be such that charging is uniformly distributed, and make fermentation substrate
It is sufficiently contacted with anaerobe (the combination microbial inoculum being inoculated with), and keeps feed liquid temperature in anaerobic jar uniform, be conducive to improve production
Gas rate prevents from crusting moreover, it is also possible to abolish dross.Be additionally provided in the fermentor 4 pH meter being connected respectively with controller,
The ancillary equipments (not shown)s such as oxidation reduction potential determination instrument, level gauging instrument, positive/negative pressure protector and thermometer, with
Ensure the safe and reliable operation of fermentor.The top of the fermentor 4 is equipped with biogas exhaust outlet (not shown), the fermentation
The bottom end of tank 4 is equipped with biogas slurry outlet (not shown) and biogas residue outlet (not shown).At the biogas slurry outlet
It is connected with biogas slurry discharge line 8, the filter screen 25 of filtering biogas residue, the biogas slurry discharge line 8 are equipped at the biogas slurry outlet
It is equipped with biogas slurry and collects control valve 9.Biogas residue discharge line 10, the biogas residue discharge line 10 are connected at the biogas residue outlet
It is equipped with biogas residue and collects control valve 11.Inside and outside two layers of collet is equipped in the tube wall of the fermentor 4, wherein in outer layer collet 12
Equipped with insulating layer (not shown), the insulating layer carries out reinforcing guarantor using the materials such as rock wool heat-preservation layer or high density extruded sheet
Temperature.By the temperature in circulation water management fermentor 4 in internal layer collet 13, the top and bottom end of the internal layer collet 13 are set respectively
There are the outlet conduit 14 and water inlet line 15 being connected with methane boiler 20, distinguishes on the outlet conduit 14 and water inlet line 15
Equipped with flow control switch I 16 and flow control switch II 17, the outlet conduit 14 is equipped with will be in internal layer collet 13
The water circulating pump 18 of water flow blowback methane boiler 20.
The biogas storage unit (C) includes biogas storage cabinet 19 and methane boiler 20, and the biogas exhaust outlet passes through natural pond
Letter shoot road I 21 is connected with biogas storage cabinet 19, and the biogas conveyance conduit I 21 is equipped with biogas delivery control valve I
23.The biogas storage cabinet 19 is connected by biogas conveyance conduit II 22 with methane boiler 20, the biogas conveyance conduit II
22 are equipped with biogas delivery control valve II 24.The methane boiler 20 is connected with external by aqueduct (not shown)
The bottom end of water source (not shown), the methane boiler 20 is additionally provided with drainage pipeline (not shown).
Embodiment 2
A kind of application method of chicken farm anaerobic fermentation system, comprising the following steps:
(1) stalk, chicken manure will be entered in material mixer 1 as fermentation substrate by feed inlet I after high-temperature sterilization
It stirs and evenly mixs, then is delivered in fermentor 4 by screw pump 3.The stalk is through the smashed stalk of pulverizer, the stalk
Weight ratio with chicken manure is 9-12:1.
(2) combination strain agent is inoculated with into fermentor, the combination microbial inoculum accounts for the 0.12~0.19% of fermentation substrate total weight,
The combination microbial inoculum is by bacillus licheniformis: bacillus subtilis: bacillus amyloliquefaciens: brewer's yeast: lactic acid bacteria: natto bud
Spore bacillus forms according to the weight ratio of 2:11:5:9:4:1.
The charging switch of fermentor 4 is closed, combination microbial inoculum is quickly bred using oxygen remaining in fermentor 4, to
Anaerobic fermentation stage is carried out after oxygen depletion.The time that fermentation substrate ferments in fermentor 4 is 20 days, and fermentation temperature is
35-38 DEG C, pH 6.5.In fermentation process, biogas delivery control valve is in the open state, thus in persistent collection fermentation process
The biogas of generation.Biogas slurry collects control valve 9 and biogas residue is collected control valve 11 and is in close state, so that fermentation substrate carries out sufficiently
Fermentation.
Since anaerobic digestion reaction process is greatly influenced by temperature, with the progress of fermentation process, can be generated in fermentor 4
More heat, it is therefore, defeated into the internal layer collet 13 of fermentor 4 by methane boiler 20 when temperature drift in fermentor 4
Cold water (water body conveyed is without heating) is sent to cool down fermentor 4.When temperature is relatively low in fermentor 4, natural pond is opened
Gas delivery control valve II 24, the biogas for being generated and being stored in biogas storage cabinet 19 using fermentor 4, in methane boiler 20
Water body is heated in burning, and then the water body after heating is delivered in internal layer collet 13 and is heated up to material and tank body, to protect
Card anaerobic reaction can still operate normally in winter.
(3) after fermentation, it opens biogas slurry and collects control valve 9 and biogas residue collection control valve 11 collection biogas slurry and biogas residue.This
The major product of utility model is biogas and natural pond fertilizer.When collection, biogas slurry is first collected, biogas residue is then regathered, to complete biogas slurry
With the separation of biogas residue.If can directly collect without being separated containing the natural pond of biogas slurry and biogas residue fertilizer.And by adjusting biogas slurry
Collecting amount, to control the humidity of natural pond fertilizer.Wherein, the biogas storage of collection is used as family combustion gas in biogas storage cabinet 19, and
Fermentor 4 can be heated by methane boiler 20.The fermentation residues (natural pond fertilizer) of generation after filtering is separated by solid-liquid separation,
Biogas residue is used as biogas residue fertilizer, and biogas slurry uses as biogas slurry fertilizer and (can finally determine if to need according to its moisture and physicochemical property
To pass through solid-liquid separation treatment).
(4) it will be mixed in the part biogas slurry of step (3) collection, biogas residue and new chicken manure, stalk merging material mixer 1
Stirring is closed, fermentor 4 is delivered to and carries out new round fermentation, repeat step (2)-(4).Wherein, biogas slurry: biogas residue: chicken manure: stalk is pressed
It is mixed according to weight ratio 2:0.5:9-12:1.
The foregoing is merely the preferred embodiments of utility model, are not intended to limit the utility model, all in this reality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the utility model
Within protection scope.
Claims (4)
1. a kind of chicken farm anaerobic fermentation system, it is characterised in that: stored including feed unit, anaerobic digestion unit and biogas
Unit；The feed unit includes mixer and the screw pump that is installed in mixer, the top of the mixer be equipped with into
Material mouth I, the rear end of the mixer are equipped with the discharge port being connected with anaerobic digestion unit；The anaerobic digestion unit includes vertical
Formula fermentor, the top of the fermentor are equipped with the feed inlet II, the feed inlet II of the fermentor that are connected with feed unit
Place is equipped with loading hopper II, and the discharge outlet of the mixer passes through what the feeding pipe being obliquely installed completed mixer processing
Material is delivered at loading hopper II；Blender is equipped in the fermentor, the top of the fermentor is equipped with biogas exhaust outlet,
The bottom end of the fermentor is equipped with biogas slurry outlet and biogas residue outlet, is equipped with filter screen at the biogas slurry outlet；The natural pond
Gas-reservoir memory cell includes biogas storage cabinet and methane boiler, and the biogas exhaust outlet passes through biogas conveyance conduit I and biogas storage
Cabinet is connected, and the biogas storage cabinet is connected by biogas conveyance conduit II with methane boiler, and the methane boiler passes through water-supply-pipe
Road is connected with external water source；Inside and outside two layers of collet is equipped in the tube wall of the fermentor, wherein heat preservation is equipped in outer layer collet
Layer, the bottom end and top of the internal layer collet are respectively equipped with the inlet and outlet pipes being connected with methane boiler, described
Outlet conduit is equipped with the water circulating pump of the water flow blowback methane boiler in internal layer collet.
2. anaerobic fermentation system according to claim 1, it is characterised in that: at the feed inlet I of the mixer be equipped with into
Funnel I；Charging switch is equipped at the feed inlet II；Flow cavitation result is respectively equipped on the outlet conduit and water inlet line to open
Close I and flow control switch II；The biogas conveyance conduit I is equipped with biogas delivery control valve I, the biogas conveyance conduit II
It is equipped with biogas delivery control valve II；Biogas slurry discharge line is connected at the biogas slurry outlet, on the biogas slurry discharge line
Control valve is collected equipped with biogas slurry；Biogas residue discharge line is connected at the biogas residue outlet, the biogas residue discharge line is equipped with
Biogas residue collects control valve.
3. anaerobic fermentation system according to claim 2, it is characterised in that: the anaerobic digestion unit further includes control
Device, the controller are connected to control the opening and closing and mixing speed of blender with blender；It is additionally provided in the fermentor point
PH meter, oxidation reduction potential determination instrument, level gauging instrument, positive/negative pressure protector and the thermometer not being connected with controller.
4. anaerobic fermentation system according to claim 3, it is characterised in that: the insulating layer uses rock wool heat-preservation layer or height
Density extruded sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822099275.1U CN209383786U (en) | 2018-12-14 | 2018-12-14 | A kind of chicken farm anaerobic fermentation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822099275.1U CN209383786U (en) | 2018-12-14 | 2018-12-14 | A kind of chicken farm anaerobic fermentation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109370885A (en) * | 2018-12-14 | 2019-02-22 | 莱西市产业技术研究院 | A kind of chicken farm anaerobic fermentation system and its application method |
| CN113073042A (en) * | 2021-03-22 | 2021-07-06 | 武汉理工大学 | Integrated livestock and poultry manure-straw co-processing device based on dry fermentation |
-
2018
- 2018-12-14 CN CN201822099275.1U patent/CN209383786U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109370885A (en) * | 2018-12-14 | 2019-02-22 | 莱西市产业技术研究院 | A kind of chicken farm anaerobic fermentation system and its application method |
| CN113073042A (en) * | 2021-03-22 | 2021-07-06 | 武汉理工大学 | Integrated livestock and poultry manure-straw co-processing device based on dry fermentation |
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