CN107285822A - A kind of dead livestock and poultry harmless treatment process - Google Patents
A kind of dead livestock and poultry harmless treatment process Download PDFInfo
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- CN107285822A CN107285822A CN201610190215.3A CN201610190215A CN107285822A CN 107285822 A CN107285822 A CN 107285822A CN 201610190215 A CN201610190215 A CN 201610190215A CN 107285822 A CN107285822 A CN 107285822A
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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
- C05F1/00—Fertilisers made from animal corpses, or parts thereof
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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
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
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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
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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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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention discloses a kind of dead livestock and poultry harmless treatment process, the dead livestock and poultry of collection is first put into disintegrating machine and crushed, is then sent in stirred tank, mixed after addition carbon source and water, sent into after mixing and hot fermentation is carried out in aerobic fermentation tank.Gained tunning is re-fed into equalization basin, mix mixing well with the feces of livestock and poultry of addition, is then sent in anaerobic fermentation tank and is fermented, biogas and biogas residue and biogas liquid mixture is made.Biogas can directly be used after desulfurizing tower, dehumidifier as gaseous fuel.Biogas residue and biogas liquid mixture obtains biogas slurry and biogas residue after solid-liquid separator, and part biogas slurry is delivered to recycling in equalization basin, and remaining biogas slurry, biogas residue can be used as organic fertilizer.The present invention can harmless treatment dead livestock and poultry, and be made gaseous fuel, biogas residue and biogas liquid fertilizer；Meanwhile, also available for processing stalk, wheat straw, the agricultural wastes such as feces of livestock and poultry, with having a wide range of application, it is environment friendly and pollution-free the features such as.
Description
Technical field
The invention belongs to the disposal of three wastes and technical field of comprehensive utilization, and in particular to a kind of dead livestock and poultry harmless treatment process.
Background technology
With the fast development and the continuous improvement of people's level of consumption of social economy, the demand of meat product constantly increases, and the quantity and cultivation scale for cultivating factory constantly expand.At the same time, the quantity of dead livestock and poultry is also continuously increased.By taking pig industry as an example, it is estimated that the adult live pig death rate reaches 2% ~ 3% every year, and the middle pig death rate reaches 7% ~ 8%, and the sucking pig death rate may be up to 10%.
Dead livestock and poultry is typically the important sources that epidemic disease is propagated and spread, great economic loss can be not only brought to breeding enterprise, problem of environmental pollution can also be brought by dealing with improperly, even into the consumption field of circulation, the healthy and national food security of serious threat consumer.Therefore, dead livestock and poultry need to safely and effectively be handled.
At present, the processing to dead livestock and poultry generally uses the processing method burned, filled.However, burning method is although simple and convenient, but needs to consume substantial amounts of fuel, cost is higher, and gives off a large amount of gases during burning, and pollution is produced to air；And landfill method is dealt with improperly, the problems such as easily causing underground water pollution.
201510497233.1 disclose a kind of dead livestock and poultry harmless treatment process, after chopping, biodegradation, high-temperature sterilization, crushing, fermentation and drying and processing, and high protein feed is made.However, because the technique is related to 180 ~ 220oC high-temperature process units, have the shortcomings that high energy consumption.
201310272795.7 disclose the handling process of a kind of kitchen garbage, dead livestock and poultry, and grease and processing waste water are obtained by thermophilic digestion, and grease is used to make biodiesel, and waste water handles through anaerobic fermentation and biogas is made.However, the process high-temperature sterilization temperature is 270 ~ 290oC, and grease cannot function as fuel and directly utilizes, it is still necessary to consume more energy.
The content of the invention
The present invention proposes a kind of dead livestock and poultry harmless treatment process, biogas, biogas residue and biogas slurry will can be made after dead livestock and poultry harmless treatment, can be used respectively as gaseous fuel and organic fertilizer；Meanwhile, the additive of the handling process is agricultural wastes, technique the combination rural culture industry and the planting industry such as stalk, wheat straw and feces of livestock and poultry, preferably handles dead livestock and poultry and agricultural wastes, with having a wide range of application, it is environment friendly and pollution-free the features such as.
The technical proposal of the invention is realized in this way：
A kind of dead livestock and poultry harmless treatment process, it is characterised in that comprise the following steps：
（1）Pulverization process will be carried out in the dead livestock and poultry feeding disintegrating machine of collection so that grain diameter≤50mm；
（2）Material after crushing is sent into stirred tank, and carbon source and water are added into stirred tank, comminuting matter, carbon source, the ratio of water are 100: 20~50 :10 ~ 30, mixed；
（3）By in the mixture feeding aerobic fermentation tank after stirring, high-temperature aerobic fermentation is carried out, aerobic fermentation product is obtained；
（4）By aerobic fermentation product and feces of livestock and poultry according to 1:In 1 ~ 10 ratio mixing, feeding equalization basin, after mixing well, in feeding anaerobic fermentation tank, anaerobic fermentation processing is carried out, biogas and biogas residue and biogas liquid mixture is made；
（5）Biogas is conveyed into desulfurizing tower and dehumidifier successively, carries out in desulfurization, dehumidification treatments, the pure biogas feeding air accumulator of gained, is directly used as gaseous fuel；
（6）Biogas residue and biogas liquid mixture is sent into solid-liquid separator, separation of solid and liquid is carried out, obtains biogas slurry and biogas residue；
（7）Part biogas slurry is sent back in equalization basin and re-used, remaining biogas slurry and biogas residue are used as organic fertilizer, biogas slurry reflux ratio is 0 ~ 4.
In the dead livestock and poultry harmless treatment process of the present invention, the livestock and poultry are pig, ox, chicken and/or duck.
In the dead livestock and poultry harmless treatment process of the present invention, the carbon source is stalk, rice husk, wheat straw, wood chip and/or leaf.
In the dead livestock and poultry harmless treatment process of the present invention, the fermentation temperature during the aerobic fermentation is 50 ~ 100 oC。
In the dead livestock and poultry harmless treatment process of the present invention, the feces of livestock and poultry is pig manure, cow dung, chicken manure and/or duck excrement.
In the dead livestock and poultry harmless treatment process of the present invention, the temperature in the anaerobic fermentation process is 10 ~ 60oC。
Implement this dead livestock and poultry harmless treatment process of the present invention, have the advantages that：Dead livestock and poultry and feces of livestock and poultry, agricultural wastes and water are carried out mixed fermentation by the present invention, and biogas, biogas residue and biogas slurry is made, and biogas can use as organic fertilizer as gaseous fuel, biogas residue and biogas slurry, take from agriculture, be used for agriculture；The technique combination rural culture industry and planting industry, pass through the cooperation with peasant, raiser and planting household, so that dead livestock and poultry, agricultural wastes and feces of livestock and poultry are utilized effectively, meet the theory of Environmental Safety production, improve the development of rural economy, with having a wide range of application, it is environment friendly and pollution-free the features such as, be especially suitable for the production work in rural area.
Brief description of the drawings
Fig. 1 is the schematic diagram of this dead livestock and poultry harmless treatment process of the invention.
Figure of description mark is as follows：
1-disintegrating machine, 2-stirred tank, 3-aerobic fermentation tank, 4-equalization basin, 5-anaerobic fermentation tank, 6-solid-liquid separating machine, 7-desulfurizing tower, 8-dehumidifier, 11-dead livestock and poultry, 12-carbon source, 13-water, 14-feces of livestock and poultry, 15-biogas slurry, 16-biogas residue, 17-biogas.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, technical scheme will be clearly and completely described below.
Embodiment 1
A kind of dead livestock and poultry harmless treatment process, it comprises the following steps：The dead livestock and poultry 11 of collection is sent into disintegrating machine 1 and carries out grain diameter≤50mm after pulverization process, crushing；Comminuting matter is sent into stirred tank 2, then addition carbon source 12 and water 13, comminuting matter into stirred tank 2:Carbon source 12:The adding proportion of water 13 is 100:30:15, mixed；By in the mixture feeding aerobic fermentation tank 3 after stirring, high-temperature aerobic fermentation is carried out, fermentation temperature is 50oC, obtains aerobic fermentation product；By aerobic fermentation product and the feces of livestock and poultry 14 being collected into according to 1:In 3 ratio mixing, feeding equalization basin 4, after mixing well, sent into by conveyance conduit in anaerobic fermentation tank 5, carry out anaerobic fermentation processing, fermentation temperature is 35oC, is made biogas 17 and biogas residue and biogas liquid mixture；Biogas 17 is conveyed into desulfurizing tower 7 and dehumidifier 8 successively by airway tube, carries out in desulfurization, dehumidification treatments, the pure feeding of biogas 17 air accumulator of gained, is directly used as gaseous fuel；Biogas residue and biogas liquid mixture is sent into solid-liquid separator 6, separation of solid and liquid is carried out, obtains biogas slurry 15 and biogas residue 16；50% biogas slurry 15 is sent back to anaerobic fermentation is re-started in equalization basin 4, the biogas slurry 15 and biogas residue 16 of residue 50% can be used as organic fertilizer.
Embodiment 2
A kind of dead livestock and poultry harmless treatment process, it comprises the following steps：The dead livestock and poultry 11 of collection is sent into disintegrating machine 1 and carries out grain diameter≤50mm after pulverization process, crushing；Comminuting matter is sent into stirred tank 2, then addition carbon source 12 and water 13, comminuting matter into stirred tank 2:Carbon source 12:The adding proportion of water 13 is 100:40:20, mixed；By in the mixture feeding aerobic fermentation tank 3 after stirring, high-temperature aerobic fermentation is carried out, fermentation temperature is 75oC, obtains aerobic fermentation product；By aerobic fermentation product and the feces of livestock and poultry 14 being collected into according to 1:In 10 ratio mixing, feeding equalization basin 4, after mixing well, sent into by conveyance conduit in anaerobic fermentation tank 5, carry out anaerobic fermentation processing, fermentation temperature is 52oC, is made biogas 17 and biogas residue and biogas liquid mixture；Biogas 17 is conveyed into desulfurizing tower 7 and dehumidifier 8 successively by airway tube, carries out in desulfurization, dehumidification treatments, the pure feeding of biogas 17 air accumulator of gained, is directly used as gaseous fuel；Biogas residue and biogas liquid mixture is sent into solid-liquid separator 6, separation of solid and liquid is carried out, obtains biogas slurry 15 and biogas residue 16；80% biogas slurry 15 is sent back to anaerobic fermentation is re-started in equalization basin 4, the biogas slurry 15 and biogas residue 16 of residue 20% can be used as organic fertilizer.So far, the object of the invention is accomplished.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection.
Claims (6)
1. a kind of dead livestock and poultry harmless treatment process, it is characterised in that comprise the following steps：
（1）Pulverization process will be carried out in the dead livestock and poultry feeding disintegrating machine of collection so that grain diameter≤50mm；
（2）Material after crushing is sent into stirred tank, and carbon source and water are added into stirred tank, comminuting matter, carbon source, the ratio of water are 100: 20~50 :10 ~ 30, mixed；
（3）By in the mixture feeding aerobic fermentation tank after stirring, high-temperature aerobic fermentation is carried out, aerobic fermentation product is obtained；
（4）By aerobic fermentation product and feces of livestock and poultry according to 1:In 1 ~ 10 ratio mixing, feeding equalization basin, after mixing well, in feeding anaerobic fermentation tank, anaerobic fermentation processing is carried out, biogas and biogas residue and biogas liquid mixture is made；
（5）Biogas is conveyed into desulfurizing tower and dehumidifier successively, carries out in desulfurization, dehumidification treatments, the pure biogas feeding air accumulator of gained, is directly used as gaseous fuel；
（6）Biogas residue and biogas liquid mixture is sent into solid-liquid separator, separation of solid and liquid is carried out, obtains biogas slurry and biogas residue；
（7）Part biogas slurry is sent back in equalization basin and re-used, remaining biogas slurry and biogas residue are used as organic fertilizer, biogas slurry reflux ratio is 0 ~ 4.
2. a kind of dead livestock and poultry harmless treatment process according to claim 1, it is characterised in that the livestock and poultry are pig, ox, chicken and/or duck.
3. a kind of dead livestock and poultry harmless treatment process according to claim 1, it is characterised in that the carbon source is stalk, rice husk, wheat straw, wood chip and/or leaf.
4. a kind of dead livestock and poultry harmless treatment process according to claim 1, it is characterised in that the fermentation temperature during the aerobic fermentation is 50 ~ 100 oC。
5. a kind of dead livestock and poultry harmless treatment process according to claim 1, it is characterised in that the feces of livestock and poultry is pig manure, cow dung, chicken manure and/or duck excrement.
6. a kind of dead livestock and poultry harmless treatment process according to claim 1, it is characterised in that the temperature in the anaerobic fermentation process is 10 ~ 60 oC。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610190215.3A CN107285822A (en) | 2016-03-30 | 2016-03-30 | A kind of dead livestock and poultry harmless treatment process |
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| CN201610190215.3A CN107285822A (en) | 2016-03-30 | 2016-03-30 | A kind of dead livestock and poultry harmless treatment process |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935757A (en) * | 2017-11-07 | 2018-04-20 | 农法自然（上海）农业科技有限公司 | The method that organic high nitrogen Water soluble fertilizer is produced using dead livestock and poultry harmless treatment product |
| CN108002868A (en) * | 2017-12-23 | 2018-05-08 | 枞阳县天腾生态农业有限公司 | A kind of processing method of large-scale vaccary stool detection refuse reclamation |
| CN108002954A (en) * | 2017-12-12 | 2018-05-08 | 农业部规划设计研究院 | A kind of agricultural wastes anaerobic-aerobic balances fermentation process |
| CN108017416A (en) * | 2017-12-23 | 2018-05-11 | 枞阳县天腾生态农业有限公司 | A kind of processing method of feeder pig manure harmless treatment refuse reclamation |
| CN108164367A (en) * | 2018-02-05 | 2018-06-15 | 大连理工大学 | Fast and harmless handles the biological method of dead livestock and poultry |
| CN111499446A (en) * | 2020-04-16 | 2020-08-07 | 上海舒圣投资管理有限公司 | Utilize dead beasts and birds poultry excrement to prepare fertilizer device |
| CN112441859A (en) * | 2020-11-27 | 2021-03-05 | 东北农业大学 | Method for treating epidemic animal wastewater by aerobic-anaerobic two-step fermentation |
| CN112913698A (en) * | 2021-02-05 | 2021-06-08 | 江西正合生态农业有限公司 | Method for fully quantitatively collecting, storing and transporting pig breeding excrement |
| CN114149159A (en) * | 2021-12-17 | 2022-03-08 | 黑龙江省能源环境研究院 | Livestock and poultry manure anaerobic fermentation device and use method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896636A (en) * | 2014-04-14 | 2014-07-02 | 王少宽 | Innocent treatment method for animal carcasses died of illness and organic wastes |
| CN104561110A (en) * | 2014-05-19 | 2015-04-29 | 习建华 | Recycling and harmless treatment method for dead animals |
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2016
- 2016-03-30 CN CN201610190215.3A patent/CN107285822A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896636A (en) * | 2014-04-14 | 2014-07-02 | 王少宽 | Innocent treatment method for animal carcasses died of illness and organic wastes |
| CN104561110A (en) * | 2014-05-19 | 2015-04-29 | 习建华 | Recycling and harmless treatment method for dead animals |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935757A (en) * | 2017-11-07 | 2018-04-20 | 农法自然（上海）农业科技有限公司 | The method that organic high nitrogen Water soluble fertilizer is produced using dead livestock and poultry harmless treatment product |
| CN108002954A (en) * | 2017-12-12 | 2018-05-08 | 农业部规划设计研究院 | A kind of agricultural wastes anaerobic-aerobic balances fermentation process |
| CN108002954B (en) * | 2017-12-12 | 2021-08-10 | 农业部规划设计研究院 | Anaerobic-aerobic balanced fermentation method for agricultural wastes |
| CN108002868A (en) * | 2017-12-23 | 2018-05-08 | 枞阳县天腾生态农业有限公司 | A kind of processing method of large-scale vaccary stool detection refuse reclamation |
| CN108017416A (en) * | 2017-12-23 | 2018-05-11 | 枞阳县天腾生态农业有限公司 | A kind of processing method of feeder pig manure harmless treatment refuse reclamation |
| CN108164367A (en) * | 2018-02-05 | 2018-06-15 | 大连理工大学 | Fast and harmless handles the biological method of dead livestock and poultry |
| CN111499446A (en) * | 2020-04-16 | 2020-08-07 | 上海舒圣投资管理有限公司 | Utilize dead beasts and birds poultry excrement to prepare fertilizer device |
| CN112441859A (en) * | 2020-11-27 | 2021-03-05 | 东北农业大学 | Method for treating epidemic animal wastewater by aerobic-anaerobic two-step fermentation |
| CN112913698A (en) * | 2021-02-05 | 2021-06-08 | 江西正合生态农业有限公司 | Method for fully quantitatively collecting, storing and transporting pig breeding excrement |
| CN114149159A (en) * | 2021-12-17 | 2022-03-08 | 黑龙江省能源环境研究院 | Livestock and poultry manure anaerobic fermentation device and use method thereof |
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