CN105084685B - A kind of method of residual antibiotic degraded and harmless treatment in farm animal excrement - Google Patents
A kind of method of residual antibiotic degraded and harmless treatment in farm animal excrement Download PDFInfo
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- CN105084685B CN105084685B CN201510489304.3A CN201510489304A CN105084685B CN 105084685 B CN105084685 B CN 105084685B CN 201510489304 A CN201510489304 A CN 201510489304A CN 105084685 B CN105084685 B CN 105084685B
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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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
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Abstract
The invention discloses a kind of method of residual antibiotic degraded and harmless treatment in farm animal excrement, comprise the following steps that：(1), blender is entered after farm animal excrement preheating；(2), put into quick lime and stir；(3), input degraded kettle, stirs and heats；(4) vacuum system intake-gas are passed through when, heating；(5), gas-liquid separation after the gas cooling extracted out；Gas is irradiated through ultraviolet, aeration tower is discharged after washing；Liquid is treated by ozone, discharge after filtering and sedimentation；(6), sprayed into by material gross mass 3%~5% in degraded kettle and bleaching powder saturated solution and stirred；(7) material, separation of solid and liquid after cooling, are discharged, solid is stacked and become thoroughly decomposed, liquid anaerobic fermentation.The present invention is easy to operate, and mechanization degree is high, and treating capacity is big, efficiently quick, can effectively degrade and the antibiotic remained in harmless treatment farm animal excrement, is adapted to industrialized production；Meanwhile, can also complete the sterilizing to farm animal excrement.Completion degraded by after process above treatment, can reach residual antibiotic, has no residual harmful in the technique effect of the different kind organism body of natural environment.
Description
Technical field
The invention belongs to environmental protection technical field, residual antibiotic degraded and nothing in more particularly to a kind of farm animal excrement
The method of evilization treatment.
Background technology
With the high speed development of China's livestock and poultry breeding industry, the total amount of farm animal excrement is also continuously increased.In livestock and poultry cultivation mistake
Cheng Zhong, in order to improve survival rate, the rate of animals delivered to the slaughter-house, increases economic efficiency, and reduces the propagation and death of livestock and poultry, polytype anti-
Raw element is widely used in feed to raise livestock and poultry.Antibiotic is typically used for treating the medicine of various Non-viral infections.No
Bacterium can be only killed, and to mould, mycoplasma, Chlamydia, conveyor screw, rickettsia etc., other pathogenic microorganisms also have
Good suppression and killing action.It can directly be extracted from nutrient solution, be may also be and be chemically synthesized or semi-synthetic change
Compound.But for various reasons, generally existing the phenomenon of excessive, excessive use antibiotic, causes farm animal excrement not
The evitable substantial amounts of poultry antibiotic of residual.These residual antibiotics are discharged directly into environment without harmless treatment,
Ecological environment will be had a strong impact on, will cause the appearance of various resistant organisms and superbacteria, the mankind and ecological environment will be caused harm.
Therefore, the necessary antibiotic to being remained in farm animal excrement is degraded and harmless treatment.
The content of the invention
The technical problem to be solved in the present invention is to provide residual antibiotic degraded and innoxious place in a kind of farm animal excrement
The method of reason, realizes easy to operate, and mechanization degree is high, and treating capacity is big, efficiently quick, can effectively degrade and harmless treatment poultry
Polytype poultry antibiotic is remained in fowl excreta, is adapted to industrialized production；Meanwhile, can also complete to farm animal excrement
Sterilizing.
The present invention solves above-mentioned technical problem with following technical scheme：
The method of residual antibiotic degraded and harmless treatment, comprises the following steps that in a kind of farm animal excrement：
(1), farm animal excrement enters blender after being preheated to 60~80 DEG C of temperature；
(2), to the quick lime of input material gross mass 3%~10% in blender, and it is stirred continuously, mixing speed 120
~150 revs/min；
(3), from blender input degraded kettle, with speed, 160~250 revs/min are stirred and are heated to 150-300 DEG C to material,
Insulation 1 hour；
(4), in kettle heating process of degrading, degraded gas reactor is aspirated by vacuum system, vacuum is maintained at 3~
5Kpa；
(5), the gas extracted out from degraded kettle carries out gas-liquid separation after cooling；Gas after separation shines by ultraviolet
Penetrate, be vented after being washed into aeration tower；Liquid after cooling down the condensed water of generation and separating is treated by ozone successively, filtering and heavy
Discharged after drop；
(6), degraded kettle in material reach step (3) degradation temperature and be incubated 1 hour after, stopping vacuum system and purple
Outside line irradiation work, bleaching powder saturated solution is sprayed into by 3%~5% atomization of material gross mass, solution temperature control 40~
45 DEG C, and be kept stirring for 25~30 minutes, 140~180 revs/min of mixing speed；
(7) material, is discharged from degraded kettle, separation of solid and liquid is carried out after cooling, solid stacks become thoroughly decomposed treatment, liquid anaerobic
Fermentation.
The quick lime sieving of the step (2), granularity is not more than 3 mesh.
The degraded kettle shell is made of 16Mn steel alloys；Degraded kettle in be provided with triple stirrings, wherein one again stirring adopt
Agitating paddle is substituted with scraper；Interlayer and coil pipe are provided with degraded kettle, material uses austenitic stainless steel；Heating system is heat conduction
Heating system for oil, operating temperature range is room temperature~300 DEG C, and heat energy supply is combustion gas, biogas, solar energy, LNG, CNG, liquefaction
Oil gas, air energy heat pump, stalk, coal, fuel oil or electrical heating.
After gas after the step (5) gas-liquid separation first passes through moisture catcher secondary separation, then shone by ultraviolet
Penetrate, into aeration tower washing.
In step (5) aeration tower, washing is using hydrogen peroxide omnidirectional atomization eddy spray drip washing gas；Bottom of towe dioxygen out
Water energy is recycled, and hydrogen peroxide is supplemented according to consumption during recycling.
Remarkable advantage of the invention is：Quickly, residual is anti-in safe efficient degraded and harmless treatment farm animal excrement
Raw element and spoil；And the mechanization of full process stream journey, hermetically sealed, reduction pathogen transmission, environmental pollution；Improve comprehensive utilization
The economical, societal benefits of farm animal excrement.
Brief description of the drawings
Fig. 1 is present invention process schematic flow sheet.
Specific embodiment
The present invention is further described with reference to Fig. 1 and embodiment, but is not constituted to the claims in the present invention guarantor
Protect the limitation of scope.
The method of residual antibiotic degraded and harmless treatment, comprises the following steps that in a kind of farm animal excrement：
1st, farm animal excrement by conveyer belt be sent into heat exchanger 1, preheated through heat exchanger 1, temperature control at 60~80 DEG C, so
Enter blender afterwards；
2nd, in blender input by 3 mesh sieves select quicklime particles, input amount for material gross mass 3%~
10%.And be stirred continuously with 120~150 revs/min.Then, in input degraded kettle, degraded kettle is high-temperature vacuum degraded kettle, degraded
Triple stirrings are provided with kettle, wherein a heavy agitating paddle Bian substitutes agitating paddle with scraper.Stirred using scraper type, while having stirring
With crush double action, and with spoil harmless treatment function.
3rd, in whipping process, using heat-conducting oil heating system heat supply, temperature of charge is made to rise to 150 DEG C, according to material
Change, pyrolysis temperature to 300 DEG C can be improved, then keep 1 hour；
4th, in heating process, degraded gas reactor is aspirated by vacuum system, vacuum is maintained at 3~5Kpa.Using
Vacuum technique improves residual antibiotic degradation speed, to accelerate the moisture evaporation of material.Generally in high temperature, highly basic, lower negative pressure, strong
Under ultraviolet irradiation situation, be conducive to residual antibiotic degraded and inactivation rapidly.
5th, heat exchange cooling is carried out by heat exchanger 2 to vacuum system gas bleeding, under making the condensate moisture in gas bleeding
Come.Then gas-liquid separation is carried out by cyclone separator, in order to improve separative efficiency, also Bian is with including 4~6 layers of stainless (steel) wire
Moisture catcher carries out secondary separation.Condensed water and the liquid separated it is treated by ozone successively, filtering, sedimentation after, row
Enter environment.The gas separated is by after ultraviolet treatment with irradiation, into aeration tower, hydrogen peroxide omnidirectional being used by aeration tower
Discharged after atomization eddy spray drip washing gas.Hydrogen peroxide be can be recycled, and hydrogen peroxide is supplemented according to consumption during recycling.
6th, after the material in degraded kettle reaches the degradation temperature of step (3) and is incubated 1 hour, stopping vacuum system and ultraviolet
Line irradiation work.Bleaching powder saturated solution is sprayed into by 3%~5% atomization of material gross mass, solution temperature is controlled 40~45
DEG C, and be kept stirring for 25~30 minutes, 140~180 revs/min of mixing speed.
7. discharge material from degraded kettle to be cooled down by the heat exchange of heat exchanger 3, separation of solid and liquid after cooling, solid is stacked again
Become thoroughly decomposed treatment, you can the residues of antibiotics in degraded and harmless treatment excreta.Liquid carries out anaerobic fermentation treatment.
The degraded kettle shell is made of 16Mn steel alloys；Degraded kettle in be provided with triple stirrings, wherein one again stirring adopt
Agitating paddle is substituted with scraper；Interlayer and coil pipe are provided with degraded kettle, material uses austenitic stainless steel；Degraded kettle heating system
It is heat-conducting oil heating system, operating temperature range is room temperature~300 DEG C, and heat energy supply is combustion gas, biogas, solar energy, air heat
Pump, stalk, coal, fuel oil or electrical heating.Heat transfer oil presses GB GB/T7631.12 standards, using L-QB species.Conduction oil adds
Hot systems include expansion oil groove, steam vent, filter, blow-down tank, safety valve, gate valve and data control sensor device.Total system is used
Polyurethane thermal insulation material covering and heat insulating.
All metal containers and pipeline inside and outside use high temperature resistant heavy anti-corrosion paint (glass flake type, stainless steel powder
Type and glass microsphere type) carry out anti-corrosion；Heat exchanger 1, heat exchanger 2 and heat exchanger 3 are carried out using heat exchanger anticorrosion paint special
Anti-corrosion.
Vacuum system includes screw-type vacuum pump, vacuum tank, surge tank, moisture trap, safety valve, gate valve and numerical control
Sensor.
Claims (5)
1. in a kind of farm animal excrement residual antibiotic degraded and harmless treatment method, it is characterised in that including following work
Skill step：
(1), farm animal excrement enters blender after being preheated to 60~80 DEG C of temperature；
(2), to the quick lime of input material gross mass 3%~10% in blender, and it is stirred continuously, mixing speed 120~150
Rev/min；
(3), from blender input degraded kettle, with speed, 160~250 revs/min are stirred and are heated to 150-300 DEG C, insulation to material
1 hour；
(4), in kettle heating process of degrading, degraded gas reactor is aspirated by vacuum system, vacuum is maintained at 3~5Kpa；
(5), the gas extracted out from degraded kettle carries out gas-liquid separation after cooling；Gas after separation irradiates by ultraviolet,
It is vented after into aeration tower washing；Cool down the liquid after the condensed water and separation for generating treated by ozone successively, filtering and settle
After discharge；
(6), degraded kettle in material reach step (3) degradation temperature and be incubated 1 hour after, stopping vacuum system and ultraviolet
Irradiation work, bleaching powder saturated solution, bleaching powder saturated solution temperature control are sprayed into by 3%~5% atomization of material gross mass
At 40~45 DEG C, and it is kept stirring for 25~30 minutes, 140~180 revs/min of mixing speed；
(7) material, is discharged from degraded kettle, separation of solid and liquid is carried out after cooling, solid stacks treatment of becoming thoroughly decomposed, liquid anaerobic hair
Ferment.
2. in farm animal excrement as claimed in claim 1 residual antibiotic degraded and harmless treatment method, its feature exists
In the quick lime sieving of the step (2), granularity is not more than 3 mesh.
3. in farm animal excrement as claimed in claim 1 residual antibiotic degraded and harmless treatment method, its feature exists
In the degraded kettle shell is made of 16Mn steel alloys；Degraded kettle in be provided with triple stirrings, wherein one again stirring use scraper
Substitute agitating paddle；Interlayer and coil pipe are provided with degraded kettle, material uses austenitic stainless steel；Heating system is heat-conducting oil heating
System, operating temperature range be room temperature~300 DEG C, heat energy supply for combustion gas, biogas, solar energy, LNG, CNG, liquefied petroleum gas,
Air energy heat pump, stalk, coal, fuel oil or electrical heating.
4. in farm animal excrement as claimed in claim 1 residual antibiotic degraded and harmless treatment method, its feature exists
In, after the gas after the step (5) gas-liquid separation first passes through moisture catcher secondary separation, then irradiated by ultraviolet, enter
Enter aeration tower washing.
5. in farm animal excrement as claimed in claim 1 residual antibiotic degraded and harmless treatment method, its feature exists
In in step (5) aeration tower, washing is using hydrogen peroxide omnidirectional atomization eddy spray drip washing gas；Bottom of towe dioxygen water energy out
Recycle, hydrogen peroxide is supplemented according to consumption during recycling.
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| CN201510489304.3A CN105084685B (en) | 2015-08-11 | 2015-08-11 | A kind of method of residual antibiotic degraded and harmless treatment in farm animal excrement |
Applications Claiming Priority (1)
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| CN201510489304.3A CN105084685B (en) | 2015-08-11 | 2015-08-11 | A kind of method of residual antibiotic degraded and harmless treatment in farm animal excrement |
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| CN105084685A CN105084685A (en) | 2015-11-25 |
| CN105084685B true CN105084685B (en) | 2017-06-30 |
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| CN105502864B (en) * | 2015-12-28 | 2018-03-06 | 浙江省农业科学院 | A kind of method that residual antibiotic in feces of livestock and poultry is efficiently removed using normal temperature fermentation |
| CN108911800A (en) * | 2018-08-28 | 2018-11-30 | 倪晓燕 | A kind of method for producing compost |
| CN113073042B (en) * | 2021-03-22 | 2022-08-30 | 武汉理工大学 | Integrated livestock and poultry manure-straw cooperative treatment device based on dry fermentation |
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| CN1120060C (en) * | 1999-11-03 | 2003-09-03 | 柏绿山 | Process for treating daily-life garbage without environmental pollution by reclaiming it |
| JP4887543B2 (en) * | 2003-02-28 | 2012-02-29 | 清 北川 | A method for producing organic matter in compost while preventing malodors using an odorless fermentation decomposition solution for organic matter. |
| KR100780384B1 (en) * | 2006-05-18 | 2007-11-28 | 한밭대학교 산학협력단 | Organic Waste Treatment System |
| CN102873076A (en) * | 2012-09-24 | 2013-01-16 | 浙江工业大学 | Method for project harmless treatment and energy utilization of diseased livestock and poultry |
| CN103599695B (en) * | 2013-11-26 | 2015-09-09 | 湖南利洁生物化工有限公司 | A kind of integrated treating device of organic exhaust gas and method |
| CN103723906B (en) * | 2013-12-20 | 2015-01-14 | 湖南大学 | Deep dehydration recycling method for livestock and poultry feces |
| CN104028535B (en) * | 2014-05-22 | 2016-02-10 | 牧原食品股份有限公司 | The method for innocent treatment of poultry of dying of illness and treatment system thereof |
| CN104086062B (en) * | 2014-06-30 | 2016-08-17 | 环境保护部南京环境科学研究所 | Tetracycline resistance gene pollution treatment method in a kind of feces of livestock and poultry |
| CN104556619B (en) * | 2014-12-03 | 2016-04-06 | 嵊州领航信息科技有限公司 | A kind of ight soil dehumidification system of energy-conserving and environment-protective |
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| CB03 | Change of inventor or designer information |
Inventor after: Tang Gongbin Inventor after: Huang Fuchuan Inventor after: Hu Xiongfeng Inventor before: Huang Fuchuan Inventor before: Lu Yuyuan Inventor before: Deng Fukang Inventor before: Li Kangchun Inventor before: Wei Kaihuan Inventor before: Ma Xiaofei Inventor before: Huang Yiyao |
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Application publication date: 20151125 Assignee: Guangxi Yulin City Dazhi Biotechnology Co., Ltd. Assignor: Guangxi University Contract record no.: X2019450000032 Denomination of invention: Degradation and harmless treatment method for residual antibiotics in livestock excrement Granted publication date: 20170630 License type: Common License Record date: 20191012 |