CN109485464A - A kind of method that feces of livestock and poultry produces biogas and fertilizer - Google Patents
A kind of method that feces of livestock and poultry produces biogas and fertilizer Download PDFInfo
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- CN109485464A CN109485464A CN201710808176.3A CN201710808176A CN109485464A CN 109485464 A CN109485464 A CN 109485464A CN 201710808176 A CN201710808176 A CN 201710808176A CN 109485464 A CN109485464 A CN 109485464A
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- fertilizer
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
- C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
- C12P5/023—Methane
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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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
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Biotechnology (AREA)
- Hydrology & Water Resources (AREA)
- Molecular Biology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses the methods of a kind of feces of livestock and poultry production biogas and fertilizer, solid-state feces of livestock and poultry by dry substance concentration greater than 10% is directly entered biogas fermentation device, or enters biogas fermentation device after mixing with livestock manure fermented residue and produce biogas, combustion gas can be directly used as after the biogas of generation is purified, biogas residue is as organic fertilizer returning to the field, the present invention is by the direct dry fermentation of feces of livestock and poultry, it does not need to dilute, pretreatment desanding is not needed yet, biogas fermentation device not will form dross, and heating and heat preservation is easy, nutrient loss is few, the organic fertilizer fertilizer efficiency of acquisition is high, it is truly realized the innoxious and recycling of livestock and poultry farm pollutant, meet the needs in people's life and agricultural production, realize benign ecological cycles.
Description
Technical field
The present invention relates to the methods of a kind of feces of livestock and poultry production biogas and fertilizer, belong at the solid waste of environmental project
Reason and biogas project field, are mainly used for the processing of scale livestock and poultry farm solid-state excrement.
Background technique
Biogas is that the new clean energy resource of one kind can not only be used for the illuminating energy, but also as the gas energy of cooking.
Primary raw material due to generating biogas from crops or animal wastes sewage, can greatly reduce forest tree resource consumption,
The consumption and waste utilization of coal-fired resource, therefore, biogas are to promote and apply more universal power-saving technology in recent years.
In the prior art, the processing of feces of livestock and poultry is utilized, is mainly the following method:
First is that incineration method, the investment of this method is big, and processing cost is expensive, generates a large amount of pernicious gases in treatment process, is not easy to answer
With popularization.
Second is that seasoning, this method treatment scale is smaller, and land occupation is big, is influenced by weather, generates stink when dry, ammonia is waved
Hair is serious, and pathogen killing effect is undesirable, and it is larger that there are one-time investments, and energy consumption is high, and product fertilizer efficiency is poor, easy burn seedlings, product
The disadvantages of at high cost, therefore the technical application is restricted.
Third is that production animal feed, since that there are energy is low as feed for feces of livestock and poultry, content of mineral substances is higher, and nutrition is uneven
Weighing apparatus.In addition, the various additives largely used during Production of Livestock and Poultry, largely remain in excrement, excrement is re-used as feed
In use, it is possible that exceeded or even poisoning, developed country do not advocate to make feed using feces of livestock and poultry.
Fourth is that compost produces organic fertilizer, adjust feces of livestock and poultry carbon-nitrogen ratio appropriate, control moisture appropriate, temperature, oxygen,
PH value to generate high temperature, is killed pathogen therein, is made organic by the organic matter in microbial degradation feces of livestock and poultry
Object humification, meanwhile, during Composting treatment microorganism decomposition organic matter generate energy, increase excrement in moisture dissipate
Hair plays the role of reducing fecal water.Chicken manure has obtained sufficiently since the nutritional ingredient contained is relatively high, water content is lower
Compost utilization, and cow dung and pig manure be since water content is higher, transport is inconvenient, and compost utilization ratio is relatively low.Composting method master
Want nitrogen loss in existing treatment process larger, pig manure trough type fermentation nitrogen loss may be up to 35%-51%, and divulge information
Energy consumption is bigger.
Fifth is that production biogas, is under the action of anaerobe, organic matter is converted into the very high biogas of value and dioxy
Change carbon, is the technology of a kind of more satisfactory processing excrement and resource recycling.Wet fermentation technology is mainly used at present, is exactly
Excrement is mixed with sewage is rinsed, the feed liquid below of total solid concentration (TS) 10% is deployed into, enters back into biogas fermentation device, have
Have the advantages that starting is fast, and input and output material is convenient, and management is mature, but the main problem of the technology is: biogas slurry and biogas residue quantity are big, support
Point content is low, and full utilization is difficult, in addition, for containing the excrement more than sand, such as chicken manure, cow dung, it is difficult to pre-process desanding, biogas hair
Ferment device is easy product sand, and is not easy to be discharged, to reduce device dischargeable capacity, the system of eventually leading to is scrapped.
Summary of the invention
It is an object of the invention to overcome existing poultry excrement and urine disposal using the existing above problem, a kind of animal dung is provided
Just the direct dry fermentation of feces of livestock and poultry, feces of livestock and poultry are not needed to dilute by the method for dry fermentation production biogas and fertilizer, the present invention,
Pretreatment desanding is not needed, biogas fermentation device not will form dross, and heating and heat preservation is easy, and nutrient loss is few, acquisition
Organic fertilizer fertilizer efficiency is high.
To achieve the above object, The technical solution adopted by the invention is as follows: a kind of feces of livestock and poultry production biogas and fertilizer
Method, it is characterised in that: solid-state feces of livestock and poultry of the dry substance concentration greater than 10% is directly entered biogas fermentation device, or with poultry
Enter biogas fermentation device after the mixing of poultry manure fermentation residues and produce biogas, after fermentation residues are used as organic fertilizer or compost
Produce organic fertilizer.
Further, solid-state feces of livestock and poultry or solid-state are raiseeed using the screw pump or impeller pump that can convey solid material
Poultry manure and the mixed material of fermentation residues are pumped into biogas fermentation device.
Further, the biogas fermentation device uses ground type fermentor, and tank body is cylinder, the ratio between diameter and height
1:1-1:3, tank deck are Conical Shells With, and 20 °-30 ° of cone angle, bottom is rounding conical shell, 55 °-60 ° of cone angle, in ground type fermentor
Top charging, bottom discharge.
Further, when the livestock manure fermented raw material ferments in biogas fermentation device, with circulating hot water to biogas
Installation for fermenting temperature raising and maintaining is to 22 ° -32 °.
Further, it when the poultry dung nitrogen content is high (content of air dried basis is greater than 2% in poultry dung), needs to add
Stalk or the low raw material of cow dung class nitrogen content is added to adjust carbon-nitrogen ratio (20-25:1).
Further, the fermentation residues of the discharge directly make organic fertilizer, or adjust natural pond with dry compost, stalk
After gas fermentation residues moisture, organic fertilizer is made within compost maturity 15-20 days.
Compared with prior art, the beneficial effects of the present invention are:
The present invention has the characteristics that simple, convenient, at low cost, and the innoxious degree of the organic fertilizer produced is strong, fermentation
Effect is good, the excrement of farm can be converted into high-quality feed resource and manure resources, is effectively improved the ring in the place of production and processing ground
Border protects urban and rural ecological environment, increases economic efficiency, and livestock and poultry pasture is not only made to can be realized sewage zero-discharge, non-recontamination
Periphery water quality can also conserve water, and protect ecological environment, reduce chemical fertilizer investment, increase farmers' income.
Specific embodiment
Technical solution of the present invention is described in more detail With reference to embodiment.
A kind of method that feces of livestock and poultry produces biogas and fertilizer, the specific steps are as follows:
Solid-state feces of livestock and poultry by dry substance concentration greater than 10% is directly entered biogas fermentation device, or and feces of livestock and poultry
Enter biogas fermentation device after fermentation residues mixing and produce biogas, fermentation residues, which are used as after organic fertilizer or compost to produce, to be had
Machine fertilizer.
In the present invention, solid-state feces of livestock and poultry or solid-state are raiseeed using the screw pump or impeller pump that can convey solid material
Poultry manure and the mixed material of fermentation residues are pumped into biogas fermentation device, this is preferred embodiment, but is not limited to
This mode.
In the present invention, the biogas fermentation device uses ground type fermentor, and tank body is cylinder, the ratio between diameter and height
1:1, tank deck are Conical Shells With, and 20 ° of cone angle, bottom is rounding conical shell, and 55 ° of cone angle, the charging of ground type fermentor middle and upper part, bottom go out
Material.
In the present invention, when the livestock manure fermented raw material ferments in biogas fermentation device, with circulating hot water to biogas
Installation for fermenting temperature raising and maintaining is to 26 degree.
In the present invention, when the poultry dung nitrogen content is high, need to add stalk or the low raw material of cow dung class nitrogen content
Carbon-nitrogen ratio is adjusted, and poultry dung nitrogen content height refers to that the content of air dried basis in poultry dung is greater than 2%, adds stalk or ox
The low raw material of excrement class nitrogen content adjusts carbon-nitrogen ratio to 20:1.
In the present invention, the fermentation residues of the discharge directly make organic fertilizer, or adjust natural pond with dry compost, stalk
After gas fermentation residues moisture, organic fertilizer is made within compost maturity 16 days.
In the present invention, biogas is reproducible clean energy resource, and both the traditional biomass energy such as alternative stalk, also alternative
The commercial energys such as coal, and energy efficiency is apparently higher than stalk, coal etc., not only can solve rural energy problem, Er Qieneng
Increase Organic Fertilizer Resources, improve quality and increase fertilizer efficiency, to improve crop yield, improves soil；It, can be big using biogas
Amount saves the organic matters such as stalk, hay, to be used to produce animal feeding-stuff and as paper making raw material and handicraft raw material；It can be with
Reduction is haggled trees and random the phenomenon that stripping vegetation, and is protected vegetation, is made agricultural production system gradually to cycle development；Be conducive to
Environment purification and the generation for reducing disease.This is because the germ in human and animal excreta is a large amount of in methane-generating pit fermentation treatments
Death improves environmental sanitation condition；It is cooked illumination with biogas, had not only saved household economy spending, but also save housewife
The work time, reduce labor intensity；Using natural pond fertilizer, agricultural product quality and quality are improved, increases income, it is dirty to reduce agricultural
Dye, lays the foundation for Agricultural product without pollution.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (7)
1. a kind of method of feces of livestock and poultry production biogas and fertilizer, it is characterised in that: solid-state of the dry substance concentration greater than 10% is raiseeed
Poultry manure is directly entered biogas fermentation device, or enters biogas fermentation device after mixing with livestock manure fermented residue and produce
Biogas, fermentation residues produce organic fertilizer after being used as organic fertilizer or compost.
2. the method for a kind of feces of livestock and poultry production biogas according to claim 1 and fertilizer, it is characterised in that: defeated using energy
After sending the screw pump of solid material or impeller pump to mix solid-state feces of livestock and poultry or solid-state feces of livestock and poultry with fermentation residues
Material be pumped into biogas fermentation device.
3. the method for a kind of feces of livestock and poultry production biogas according to claim 1 and fertilizer, it is characterised in that: the biogas
Installation for fermenting uses ground type fermentor, and tank body is cylinder, and the ratio between diameter and height 1:1-1:3, tank deck are Conical Shells With, cone
20 ° -30 ° of angle, bottom be rounding conical shell, 55 ° -60 ° of cone angle, ground type fermentor middle and upper part charging, bottom discharge.
4. the method for a kind of feces of livestock and poultry production biogas according to claim 1 and fertilizer, it is characterised in that: the livestock and poultry
When manure fermentation raw material ferments in biogas fermentation device, with circulating hot water to biogas fermentation device temperature raising and maintaining to 22 °-
32°。
5. the method for a kind of feces of livestock and poultry production biogas according to claim 1 and fertilizer, it is characterised in that: the birds
When excrement nitrogen content is high (content of air dried basis is greater than 2% in poultry dung), needs to add stalk or cow dung class nitrogen content is low
Raw material adjust carbon-nitrogen ratio (20-25:1).
6. the method for a kind of feces of livestock and poultry production biogas according to claim 1 and fertilizer, it is characterised in that: the discharge
Fermentation residues directly make organic fertilizer, or after adjusting Anaerobic Fermentation Residues moisture with dry compost, stalk, compost is rotten
Organic fertilizer is made within ripe 15-20 days.
7. the method for a kind of feces of livestock and poultry production biogas according to claim 1 and fertilizer, it is characterised in that: described with dry
Dry compost, stalk adjust Anaerobic Fermentation Residues moisture to 45-55%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710808176.3A CN109485464A (en) | 2017-09-09 | 2017-09-09 | A kind of method that feces of livestock and poultry produces biogas and fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710808176.3A CN109485464A (en) | 2017-09-09 | 2017-09-09 | A kind of method that feces of livestock and poultry produces biogas and fertilizer |
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| CN109485464A true CN109485464A (en) | 2019-03-19 |
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| CN201710808176.3A Pending CN109485464A (en) | 2017-09-09 | 2017-09-09 | A kind of method that feces of livestock and poultry produces biogas and fertilizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111548922A (en) * | 2020-06-22 | 2020-08-18 | 杭州德哈斯电子科技有限公司 | Fertilizer fermentation device based on methane tank |
| CN114605178A (en) * | 2022-04-13 | 2022-06-10 | 桂林市畜牧站(桂林市草地监理站) | Organic manure for beef cattle farm and production process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102344232A (en) * | 2011-07-21 | 2012-02-08 | 农业部沼气科学研究所 | Method for producing biogas and organic fertilizer by dry fermentation of livestock and poultry feces |
| CN102925494A (en) * | 2012-11-22 | 2013-02-13 | 苏州市吴江区农业环境监测站 | Method for producing methane by dry fermentation of beast and bird wastes and crop straws |
| CN106699242A (en) * | 2015-08-07 | 2017-05-24 | 黑龙江万向鹏程科技发展有限公司 | Method for producing biogas and organic fertilizer by animal excrements |
-
2017
- 2017-09-09 CN CN201710808176.3A patent/CN109485464A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102344232A (en) * | 2011-07-21 | 2012-02-08 | 农业部沼气科学研究所 | Method for producing biogas and organic fertilizer by dry fermentation of livestock and poultry feces |
| CN102925494A (en) * | 2012-11-22 | 2013-02-13 | 苏州市吴江区农业环境监测站 | Method for producing methane by dry fermentation of beast and bird wastes and crop straws |
| CN106699242A (en) * | 2015-08-07 | 2017-05-24 | 黑龙江万向鹏程科技发展有限公司 | Method for producing biogas and organic fertilizer by animal excrements |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111548922A (en) * | 2020-06-22 | 2020-08-18 | 杭州德哈斯电子科技有限公司 | Fertilizer fermentation device based on methane tank |
| CN114605178A (en) * | 2022-04-13 | 2022-06-10 | 桂林市畜牧站(桂林市草地监理站) | Organic manure for beef cattle farm and production process thereof |
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