CN106986323A - A kind of method of residual antibiotic in processing feces of livestock and poultry - Google Patents
A kind of method of residual antibiotic in processing feces of livestock and poultry Download PDFInfo
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- CN106986323A CN106986323A CN201710312752.5A CN201710312752A CN106986323A CN 106986323 A CN106986323 A CN 106986323A CN 201710312752 A CN201710312752 A CN 201710312752A CN 106986323 A CN106986323 A CN 106986323A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
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Abstract
The invention discloses a kind of method for handling residual antibiotic in feces of livestock and poultry, the feces of livestock and poultry after drying is mixed with stalk, mixed feces of livestock and poultry and stalk are carried out high temperature degradation under negative pressure and anaerobic environment, degradation temperature is 750 DEG C~900 DEG C.Energy low cost of the invention, on a large scale, fully and completely, pyrolysis antibiolics is residual；And its effective percentage is 99.9%.The stable high temperature that degradation process is produced provides technique to the harmless processing of the continuous high-volume excrement of large-scale cultivation industry and supported.
Description
Technical field
The invention belongs to environmental technology field, more particularly to a kind of method for handling residual antibiotic in feces of livestock and poultry.
Background technology
Antibiotic is increasingly severe to the pollution of our soil and water resources, but to this pollution contribution it is maximum be exactly livestock and poultry
Excrement.In order to reduce livestock and poultry sufferer, it is ensured that survival rate.Raiser uses substantial amounts of antibiotic（Tetracycline TTC, terramycin
OTC, aureomycin CTC）, without fully absorbing antibiotic as excrement goes back to field by animal body.The antibiotic returned in soil
Medicine is residual just to be hidden with various grain vegetables melons and fruits, foring the cyclic polluting only increased extensively as root system of plant absorbs.
So as to causing the great attention of people, diversified degraded method is also taken for many years.Such as BM microbial inoculums edman degradation Edman is high
Warm composting process etc., but effect is best（BM microbial inoculums）Degradation rate to antibiotic is also only 40.2%.And its degraded
Cost is high, and livestock and poultry organic fertilizer market value is lost more than gain with regard to some.
It is 201510989751.5 to have China Patent No., discloses one kind and is efficiently removed using normal temperature fermentation in feces of livestock and poultry
The method of residual antibiotic, it includes following processing step：(1) concentrated sulfuric acid that mass ratio is 1%-3% is added in feces of livestock and poultry
Acid adjustment is carried out to handle 1-2 hours；(2) pH to 4.5-6.0 is adjusted；(3) excrement after processing is laid in closing or semiclosed appearance
In device, control temperature is between 28-35 DEG C, solid state fermentation 4-6 days.In round prepare light source carry out illumination cultivation and
Wood chip is added in feces of livestock and poultry can accelerate Degradation of Antibiotics.The antibiotic contamination can be Tetracyclines, sulfanilamide (SN)
Any one in class and fluoroquinolone antibiotics and several mixtures, are particularly suitable for use in removing Tetracyclines and sulfamido
Antibiotic.Although foregoing invention, which is realized, reduces antibiotic content in feces of livestock and poultry in the normal temperature condition lower short time, it is degraded
Rate is relatively low, and its degraded cost is high.
The content of the invention
In order to overcome the defect of prior art, the invention provides a kind of side for handling residual antibiotic in feces of livestock and poultry
Method, this method carries out effective decomposition to residual antibiotic in feces of livestock and poultry using the high temperature of straw charring, and its degradation rate reaches
99.9%。
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of method of residual antibiotic in processing feces of livestock and poultry, it is characterised in that：Feces of livestock and poultry after drying and stalk are mixed
Closing, mixed feces of livestock and poultry and stalk are carried out high temperature degradation under negative pressure and anaerobic environment, degradation temperature is 750 DEG C~
900℃.It can be inexpensive, on a large scale, fully and completely, and pyrolysis antibiolics is residual.And its effective percentage is 99.9%.It is so-called low
Cost is that it employs agricultural wastes because we are pyrolyzed the application of the energy（Stalk is medium）With excrement scientific fertilisation, profit
The energy contained in itself with stalk and excrement constantly mutually tangles pyrolytic in continuous degradation storehouse, and storehouse of degrading can be with
The thermal degradation temperature of 750-1008 degree is produced on the premise of being heated without any extra power.And antibiolics is residual in superhigh temperature
Just by 99.9% thermal degradation under effect.Degradation process produce stable high temperature to the continuous high-volume excrement of large-scale cultivation industry without
Harm reason provides technique and supported.
Further, the mass ratio of feces of livestock and poultry and stalk is 1: 2, and the quality of stalk is 2 times of feces of livestock and poultry, in high temperature
In degradation process, the antibiotic in enough energy degraded feces of livestock and poultry can be provided.
The air pressure of subnormal ambient is 0.01-0.05Mpa, subnormal ambient when mixed feces of livestock and poultry is degraded with straw under high temperature
The temperature of degraded can be improved.
The oxygen content of mixed feces of livestock and poultry and stalk anaerobic environment in high temperature degradation is 10%--12%, anaerobic environment
It can prevent stalk from being turned to dust and ashes with feces of livestock and poultry, final products are powdered carbon or make fertilizer, are killed two birds with one stone.
Also include cooling down the feces of livestock and poultry after high temperature degradation and stalk mixture, stored after cooling under oxygen barrier environment,
Prevent resume combustion.
The degradation time of the feces of livestock and poultry and stalk is 10-30 minutes.
The present invention has advantages below：
（1）Being capable of low-cost processes, 15KW/ feces of livestock and poultry power consumptions per ton.Degrading, medium is simple and easy to get, and treatment effect kills two birds with one stone
Both stalk is carbonized, while effectively having decomposed antibiotic in feces of livestock and poultry, cheap stalk is only added.Poultry
Poultry manure and stalk 2:1 mixing.
（2）High temperature degradation technique is advanced, and degradation rate is high, the residual degradation rate 99.9% of feces of livestock and poultry antibiolics.
（3）Scope of degrading is wide, can be directed to tetracycline, terramycin, aureomycin medicine is residual, and other harmful levels of pathogens.Specific implementation
Mode
Embodiment 1
The method of residual antibiotic, the feces of livestock and poultry after drying is mixed with stalk in a kind of processing feces of livestock and poultry, after mixing
Feces of livestock and poultry and stalk high temperature degradation is carried out under negative pressure and anaerobic environment, degradation temperature is 750 DEG C~900 DEG C.By high temperature
Feces of livestock and poultry after degraded is cooled down with stalk mixture, is stored after cooling under anaerobic environment.
Its process is：
It is 5% that the feces of livestock and poultry of collection, which is dried to water content, now by stalk（Such as rape straw）Mixed with the feces of livestock and poultry of drying
Close, then mixed mixture is sent into light a fire in decomposition bin and degraded, make to be in negative pressure state in decomposition bin, and decompose
It is anaerobic state in storehouse, its oxygen content is 10%--12%, and degradation temperature is 750 DEG C~900 DEG C, and the time is 10-30 minutes, is passed through
Degradation of Antibiotics rate in above-mentioned degraded, feces of livestock and poultry is 99.9%.Stalk after degraded is carbonized into powdered carbon with feces of livestock and poultry.
Organic fertilizer can be used as.
Concretely comprise the following steps：
（1）The feces of livestock and poultry of various water content 15% is dried with speed 0.8 meter/min average rates by the waste heat recoveries of diameter Ф 219
Helix tube, temperature sets 90~105 DEG C, and the vapor that drying course is produced carries out cooling recovery.Dried feces of livestock and poultry contains
Water rate is 5%, into mixing bunker, with dry stalk（Rape straw）With 1:2 carry out continual mixing.（2）After mixing
Stalk feces of livestock and poultry first 75~90kg of pre- amount enters degraded storehouse, warehouse formation 0.01-0.05Mpa subnormal ambient.Stalk with
Feces of livestock and poultry and 10%--12% anaerobism are merged, using stalk and feces of livestock and poultry self-energy tangle be warming up to 750~
900℃.Keep 820~880 DEG C of hot environment.（3）After above-mentioned hot environment is stable, starts automatically continuously charging and carry out 0.45
~0.5kg/min speed is degraded.Need to ensure that feeding warehouse there can not be air entrance in automatic degradation process, keep degraded
Storehouse 0.01-0.05Mpa subnormal ambient.（4）During continuous degradation at 0.25~0.3kg/min of load of its discharging opening
In 210~265 DEG C.Enter the double-deck cooling spiral pipe of arranged type successively and carry out cooling treatment, 45~50 DEG C of temperature.The poultry degraded
Poultry manure is stored not being directly entered oxygen barrier storehouse with air contact, is used as powdered carbon or organic fertilizer.
Claims (6)
1. a kind of method for handling residual antibiotic in feces of livestock and poultry, it is characterised in that：By the feces of livestock and poultry and stalk after drying
Mixed feces of livestock and poultry and stalk, are carried out high temperature degradation by mixing under negative pressure and anaerobic environment, and degradation temperature is 750 DEG C~
900℃。
2. a kind of method for handling residual antibiotic in feces of livestock and poultry according to claim 1, it is characterised in that：Animal dung
Just it is 1: 2 with the mass ratio of stalk.
3. a kind of method for handling residual antibiotic in feces of livestock and poultry according to claim 1, it is characterised in that：After mixing
Feces of livestock and poultry and straw under high temperature when degrading the air pressure of subnormal ambient be 0.01-0.05Mpa.
4. a kind of method for handling residual antibiotic in feces of livestock and poultry according to claim 1, it is characterised in that：After mixing
The oxygen content of feces of livestock and poultry and stalk anaerobic environment in high temperature degradation be 10%--12%.
5. a kind of method for handling residual antibiotic in feces of livestock and poultry according to claim 1, it is characterised in that：Also include
Feces of livestock and poultry after high temperature degradation and stalk mixture are cooled down, stored after cooling under oxygen barrier environment.
6. a kind of method for handling residual antibiotic in feces of livestock and poultry according to claim 1, it is characterised in that：The poultry
The degradation time of poultry manure and stalk is 10-30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312752.5A CN106986323A (en) | 2017-05-05 | 2017-05-05 | A kind of method of residual antibiotic in processing feces of livestock and poultry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312752.5A CN106986323A (en) | 2017-05-05 | 2017-05-05 | A kind of method of residual antibiotic in processing feces of livestock and poultry |
Publications (1)
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| CN106986323A true CN106986323A (en) | 2017-07-28 |
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ID=59418120
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| CN201710312752.5A Pending CN106986323A (en) | 2017-05-05 | 2017-05-05 | A kind of method of residual antibiotic in processing feces of livestock and poultry |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148606A (en) * | 2018-01-12 | 2018-06-12 | 中国科学院城市环境研究所 | A kind of control method of breeding waste antibiotic resistance genes |
| CN108786736A (en) * | 2018-06-28 | 2018-11-13 | 普定县干河农业开发有限公司 | A kind of charcoal prepared using chicken manure as raw material and the application in chicken house purification of waste water |
| CN108947169A (en) * | 2018-06-28 | 2018-12-07 | 普定县宏康种养殖专业合作社 | A kind of method to clean in chicken manure |
| CN113526986A (en) * | 2021-08-09 | 2021-10-22 | 桐乡市同奥秸秆综合利用专业合作社 | Method for preparing biochar from livestock and poultry manure |
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| CN103739327A (en) * | 2013-12-27 | 2014-04-23 | 环境保护部华南环境科学研究所 | Anaerobic composting method for efficiently degrading sulfa antibiotics in livestock and poultry excrement |
| CN104150989A (en) * | 2014-08-18 | 2014-11-19 | 常州市生物技术发展中心 | Method for making compost by using poultry night soil |
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| EP1217075A2 (en) * | 2000-12-20 | 2002-06-26 | ReDeLa HERSTELLUNG UND VERTRIEB VON BAUSTOFFEN GmbH | Process for recycling of animal corpses |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148606A (en) * | 2018-01-12 | 2018-06-12 | 中国科学院城市环境研究所 | A kind of control method of breeding waste antibiotic resistance genes |
| CN108786736A (en) * | 2018-06-28 | 2018-11-13 | 普定县干河农业开发有限公司 | A kind of charcoal prepared using chicken manure as raw material and the application in chicken house purification of waste water |
| CN108947169A (en) * | 2018-06-28 | 2018-12-07 | 普定县宏康种养殖专业合作社 | A kind of method to clean in chicken manure |
| CN113526986A (en) * | 2021-08-09 | 2021-10-22 | 桐乡市同奥秸秆综合利用专业合作社 | Method for preparing biochar from livestock and poultry manure |
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