CN102106447A - Chemical treatment method for poultry excrement - Google Patents
Chemical treatment method for poultry excrement Download PDFInfo
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- CN102106447A CN102106447A CN2011100223843A CN201110022384A CN102106447A CN 102106447 A CN102106447 A CN 102106447A CN 2011100223843 A CN2011100223843 A CN 2011100223843A CN 201110022384 A CN201110022384 A CN 201110022384A CN 102106447 A CN102106447 A CN 102106447A
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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 invention discloses a chemical treatment method for poultry excrement. The invention aims to provide a simple and economic chemical treatment method for poultry excrement; and the method is matched with a poultry intensive culture farm to form industrialized production, is safe, clean and environmentally-friendly, and saves a large amount of cost. The method comprises the following steps of: preparing 20 to 60 percent solution by using fresh poultry excrement; adding nitrogen fixing agent; neutralizing the pH value of the solution to be between 8.5 and 10.0; performing filtration by using filter cloth of 60 to 200 meshes; adding bactericide, deodorant and decolorizing agent into the filtrate, stirring the filtrate uniformly, heating, standing, curing, cooling to room temperature, and filtering; detecting the concentration of the filtrate, reclaiming the filtrate when the Baume concentration of the filtrate is more than 25 degrees Be', and stirring and evaporating the filtrate in an evaporation kettle; and cooling and crystallizing the filtrate when the Baume concentration of the filtrate is 40 to 70 degrees Be', and dehydrating the separated crystal to obtain ammonium compound fertilizers. The method is applied to the treatment of the poultry excrement.
Description
Technical field
The present invention relates to the excremental processing method of a kind of poultry, particularly a kind of method of handling by chemical technology.
Technical background
Along with improving constantly with environmental protection consciousness, living standards of the people progressively strengthen; carry out poultry manure harmless treatment, resource recycling; prevent and eliminate the pollution of intensive culture field poultry manure; healthy fowl is supported industry, is the needs of China's pollution-free food, organic food production and modern agriculture sustainable development.But the damage ratio of the poultry manure of intensive culture field, China rural area is more serious at present, and the environment of plant's periphery is contaminated, the water source is contaminated etc., and the focus of problem is that the method for poultry manure processing is unreasonable.
The variation that matter has taken place is produced in China's animal husbandry since vegetables-basket-works is implemented, great variety all takes place for the poultry farming scale and the output value, and meat, milk, Poultry and Eggs progressive increase rate are all more than 10%.The Poultry and Eggs output of China in 1986 surpasses the U.S. first, keeps the first in the world later on continuously; Wherein the contribution of the industry of intensive culture is maximum, is example with Jiangsu, and the contribution of poultry number reaches 50%, and the pig contribution reaches 50%.
The development of poultry farming, the high speed development of intensive culture particularly, make the poultry farming characteristics that following variation take place, promptly by the decentralized management in past, raise a number few, mainly be distributed in the farming district change present concentrated operation into, raise a number many, mainly be distributed in city suburbs or Xincheng District.The differentiation of poultry farming characteristics adds that it is mainly to change chemical fertilizer into and occupy an leading position that the labour's that is engaged in agriculture transfer and fertilizer are used by fertilizer, cause poultry farming field poultry manure to become Litter by treasured, big, the stench of poultry-dung water content particularly, bring processing, transport, use extremely inconvenience, more aggravate the difficulty of poultry manure direct returning to farmland, thereby brought problem of environmental pollution.
The pollution situation of intensification poultry manure: interrelated data shows, whole nation poultry manure annual production is about 17.3 hundred million tons, be 2.7 times of trade waste, wherein nitrogen output is about 1,597 ten thousand tons, and the phosphorus annual production is about 3,630,000 tons, the COD annual production is about 6,400 ten thousand tons, the BOD annual production is about 5,400 ten thousand tons, and poultry manure enters the water body turnover rate up to 25-30%, and COD discharges near industrial wastewater, COD total emission volumn N, P number of dropouts are the one of the main reasons of rural area pollution of area source greater than the loss of chemical fertilizer amount.
The present situation of China's poultry manure treatment technology general introduction at present: 1. as the energy--produce the raw material of biogas, its shortcoming floor space is big, and the wastewater flow rate of generation is big, can not thoroughly solve; 2. as feed--the feed of aquaculture, its shortcoming transportation, use inconvenience are if the improper use meeting causes water to pollute; 3. as fertilizer--directly make fertilizer, its shortcoming transportation, use inconvenience, if in fertilizer plant processing, the difficulty of removing smell is bigger.
Summary of the invention
The purpose of this invention is to provide a kind of not only simple but also economic excremental chemical treatment method of fowl, this method and poultry intensive culture field are supporting, form suitability for industrialized production, have safety, cleaning, environmental protection and economic characteristics.
The technical solution used in the present invention is: a kind of poultry excreta chemical treatment method comprises the following steps:
A, fresh excreta is made into the solution of 20-60%, such as: being made into 40% solution ie in solution weight is 5kg=fresh excreta 2kg+ water 3kg;
B, add nitrogen fixation agent, wherein the addition of nitrogen fixation agent is the 1-15% of above-mentioned solution weight, and the pH value that is placed to solution does not change;
C, under stirring, with the pH value of the solution 8.5-10.0 that neutralizes;
The solution of becoming reconciled among d and then the general once filters, and the filter cloth that is adopted is the 60-200 order, obtains first-time filtrate and filter residue, makes feed after filter residue Tumblies Dry;
E, the first-time filtrate quality is measured, and in above-mentioned first-time filtrate, add the bactericide of filtrate quality 1-10%, add the deodorant of filtrate quality 1-5% and the decolorizer of filtrate quality 1-15% again, after stirring evenly, after being heated to boiling, leave standstill slaking, be cooled to the room temperature secondary filter again, after filter residue becomes cake, make feed after the oven dry;
F, the Baume concentration of secondary filtrate is detected, when the Baume concentration of filtrate during less than 25 ° of Be ＇, filtrate returning is used to wash colony house; When the Baume concentration of filtrate during, adopt the evaporation of evaporimeter vacuum stirring, when the Baume concentration of filtrate reaches 40-70 ° of Be ＇ greater than 25 ° of Be ＇, crystallisation by cooling, dehydration, isolating crystal-this crystalline solid is ammonium class composite fertilizer, as farmland fertilizer, mother liquor returns crystallization again.
In such scheme, the solution that fresh excreta is made into 20-40% among the described step a.
In such scheme, the addition of nitrogen fixation agent can be the 5-15% of solution quality among the described step b.
Can draw from every technical characterictic of foregoing invention, advantage of the present invention is: simple to operation, cost is lower, and the product of gained is widely used after handling, and this processing method gained social benefit, environmental benefit and the economic benefit of self are apparent in view.
The specific embodiment
The present invention will be further described below in conjunction with specific embodiment:
Preferred embodiment:
In the present embodiment, we realize through the following steps:
A, employing fresh excreta obtain 2kg butt ight soil by oven dry;
B, fresh excreta is made into the solution of 20-60%, as to be made into 40% solution ie in solution weight be 5kg=fresh excreta 2kg+ water 3kg;
C, add nitrogen fixation agent, wherein the addition of nitrogen fixation agent is 10% 500g just of above-mentioned solution weight, and the pH value that is placed to solution does not change;
D, under stirring, with the pH value of the solution 8.5-10.0 that neutralizes;
The solution of becoming reconciled among e and then the general carries out twice filtration, the filter cloth that is adopted for the first time is 60 orders, the filter cloth that is adopted for the second time is 200 orders, obtain filtrate and filter residue, the filter residue use that acts as a fuel after with infrared baking is through test, can get wet basis slag 1.554kg, through oven dry back weight is 0.735kg, compares with the butt ight soil among the step a, and getting yield is 36%;
F, filtrate weighing obtained filtrate weight, and in above-mentioned filtrate, add the bactericide of filtrate weight 1-10%, add the deodorant of filtrate weight 1-5% and the decolorizer of filtrate weight 1-15% again, after stirring evenly, slaking is left standstill in heating, filters after being cooled to room temperature, after filter residue became cake, fuel was made in oven dry;
G, the Baume concentration of secondary filtrate is detected, when the Baume concentration of filtrate during less than 25 ° of Be ＇, filtrate returning is used to wash colony house; When the Baume concentration of filtrate during, adopt the evaporation of evaporimeter vacuum stirring, when the Baume concentration of filtrate reaches 40-70 ° of Be ＇ greater than 25 ° of Be ＇, crystallisation by cooling, dehydration, isolating crystal-this crystalline solid is ammonium class composite fertilizer, as farmland fertilizer, mother liquor returns crystallization again.
In such scheme, the consumption of nitrogen fixation agent can be regulated between 1-15% (such as 1% according to actual conditions, 3%, 5%, 7%, 9%, 11%, 13%, 15%), the yield of gained filter residue and crystal is different, through overtesting, the yield of filter residue is about 36%, the yield of crystal is about 5%, the nitrogen fixation agent that in processing procedure, adds, deodorant and decolorizer etc., the costs and benefits of its consumption is compared, and income is greater than expending cost, so, method of the present invention can be handled for the poultry excreta foundation is provided, and is applicable to that the industry intensification is produced and assembling is used.
Disclosed all features in this specification except mutually exclusive feature, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.Unless promptly special narration, each feature is an example in a series of equivalences or the similar characteristics.
Claims (3)
1. a poultry excreta chemical treatment method is characterized in that comprising the following steps:
A, fresh poultry-dung is made into the solution of 20-60%, such as: being made into 40% solution ie in solution weight is 5kg=fresh excreta 2kg+ water 3kg;
B, add nitrogen fixation agent, wherein the addition of nitrogen fixation agent is the 1-15% of above-mentioned solution weight, and the pH value that is placed to solution does not change;
C, under stirring, with the pH value of the solution 8.5-10.0 that neutralizes;
The solution of becoming reconciled among d and then the general once filters, and the filter cloth that is adopted is the 60-200 order, obtains first-time filtrate and filter residue, makes feed after filter residue Tumblies Dry;
E, the first-time filtrate quality is measured, and in above-mentioned first-time filtrate, add the bactericide of filtrate quality 1-10%, add the deodorant of filtrate quality 1-5% and the decolorizer of filtrate quality 1-15% again, after stirring evenly, after being heated to boiling, leave standstill slaking, be cooled to the room temperature secondary filter again, after filter residue becomes cake, make feed after the oven dry;
F, the Baume concentration of secondary filtrate is detected, when the Baume concentration of filtrate during less than 25 ° of Be ＇, filtrate returning is used to wash colony house; When the Baume concentration of filtrate during, adopt the evaporation of evaporimeter vacuum stirring, when the Baume concentration of filtrate reaches 40-70 ° of Be ＇ greater than 25 ° of Be ＇, crystallisation by cooling, dehydration, isolating crystal-this crystalline solid is ammonium class composite fertilizer, as farmland fertilizer, mother liquor returns crystallization again.
2. poultry excreta chemical treatment method according to claim 1 is characterized in that the fresh poultry-dung among the described step a is made into the solution of 20-40%.
3. poultry excreta chemical treatment method according to claim 1, the addition that it is characterized in that nitrogen fixation agent among the described step b is the 5-15% of solution weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100223843A CN102106447B (en) | 2011-01-20 | 2011-01-20 | Chemical treatment method for poultry excrement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100223843A CN102106447B (en) | 2011-01-20 | 2011-01-20 | Chemical treatment method for poultry excrement |
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| Publication Number | Publication Date |
|---|---|
| CN102106447A true CN102106447A (en) | 2011-06-29 |
| CN102106447B CN102106447B (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100223843A Expired - Fee Related CN102106447B (en) | 2011-01-20 | 2011-01-20 | Chemical treatment method for poultry excrement |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497543A (en) * | 2008-12-09 | 2009-08-05 | 沈阳市农业环保监测站 | Harmless treatment method for livestock manure |
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- 2011-01-20 CN CN2011100223843A patent/CN102106447B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497543A (en) * | 2008-12-09 | 2009-08-05 | 沈阳市农业环保监测站 | Harmless treatment method for livestock manure |
Non-Patent Citations (1)
| Title |
|---|
| 《农业装备与车辆工程》 20061010 赵文峰 家畜排泄物综合处理工艺的研究 第47-49页 , 第10期 * |
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| CN102106447B (en) | 2012-11-21 |
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Granted publication date: 20121121 Termination date: 20140120 |