CN103831282B - A kind of poultry feather resource utilization method - Google Patents
A kind of poultry feather resource utilization method Download PDFInfo
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- CN103831282B CN103831282B CN201210487946.6A CN201210487946A CN103831282B CN 103831282 B CN103831282 B CN 103831282B CN 201210487946 A CN201210487946 A CN 201210487946A CN 103831282 B CN103831282 B CN 103831282B
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Abstract
The present invention relates to a kind of resource recycling method, be specifically related to a kind of poultry feather resource utilization process.The poultry feather collected is passed through washing and wringing machine pretreatment by poultry feather resource utilization method of the present invention, and magneticly elects metal sundries, in cooker, then carries out boiling sterilization hydrolysis pulverize, carry out primary drying simultaneously; When material moisture reaches about 25%, enter drier special and carry out redrying; Dried material, through supercooling, screening, makes animal protein supplement feed.Once with redrying during the waste gas that produces, emptying after separator removal of impurities and the process of waste gas total system; The waste water that period produces drains into sewage treatment plant's process.Reclaim clean condensed water for domestic water and water for industrial use.The present invention not only considers poultry feather to make full use of, and the waste gas produced in production, purification of waste water process is also taken into account, can realize poultry feather resource, innoxious and industrialization production.
Description
Technical field:
The present invention relates to a kind of resource circulation utilization method, be specifically related to a kind of poultry feather resource utilization process.
Background technology:
China's year poultry butcher amount 8,000,000,000 in 2010, year produces more than 310 ten thousand tons, discarded object.The generation of these discarded objects, had both caused the severe contamination of surrounding enviroment, also result in the huge waste of the protein feed resource of shortage.At present, China's protein feed resource famine, soybean import in 2010 more than 5,000 ten thousand tons, the import volume of corn about 2,300 ten thousand tons, fish meal reached 30% of global import amount, about 120-150 ten thousand tons.Therefore need a kind of resource badly, innoxious, industrialization utilizes poultry feather method, in short supply with supplementary protein feed resource.
Livestock and poultry feather, composition is made up of keratin, and keratin connects and mutual hydrophobic effect, so have the stability property of water insoluble and anti-decomposition due to intermolecular disulfides.Feather has to pass through decomposition and just can be utilized.The present invention adopts high temperature and high pressure hydrolysis technique, does not add any chemical substance, and product good palatability, efficiency are high, energy consumption is low, is applicable to industrialization and produces.If excessive hydrolysis (namely digestibility reaches more than 85%) or hydrolysis not enough (namely digestibility is lower than 65%), be all unfavorable for the digesting and assimilating feather meal of livestock and poultry, all can not produce best feather meal utilizing status.Best effect should be the hydrolyzed feather meal (Ministry of Agriculture professional standard) of digestibility at 70-80%.By experimental study, the present invention determines the parameter of digestibility at the hydrolyzed feather meal of 70-80%.
Current existing feather meal processing technology, almost do not consider feather meal hydrolysis degree and feather meal effect in production process, save energy and reduce the cost, recycle, the link such as waste gas wastewater treatment, the present invention not only considers poultry feather to make full use of, and in the lump the waste gas produced in poultry feather processing procedure, purification of waste water process etc. are also taken into account, poultry feather resource, innoxious and industrialization production can be realized.
Summary of the invention:
Object of the present invention, be to provide a kind of new poultry feather resource, innoxious, industrialization utilize new method, reach efficient, energy-conservation, low consumption, environmental protection, realize the target of recycling economy.
The technical solution used in the present invention is as follows:
A kind of poultry feather recycling new method, comprises the steps:
A. the poultry feather collected is passed through washing, dehydration and wringing machine pretreatment, make its water content 40%-50%, and magneticly elect metal sundries; Under the prerequisite not affecting hydrolysis, make the overall moisture needing dried material reduce more than 30%, save mass energy;
B. the poultry feather after step a process being carried out boiling sterilization hydrolysis pulverizes dry, the moisture of more than 15%-25% is evaporated, step b adopts HTHP poultry feather process cooker, during hydrolysis, make internal pressure keep 0.33Mpa-0.38Mpa (temperature is 137 DEG C to 142 DEG C), keep 30-40min; When entering primary drying after release, make inner heating-up temperature be 80 DEG C to 90 DEG C, internal pressure is-0.004mpa to-0.003mpa; The pan feeding bore of equipment is greater than 400mm, and has filter gas port, waste gas recovering device and the condensate drain that can make moisture evaporative emissions;
C. the material after primary drying for complete hydrolysis, moisture content about 25%, loose material;
D. for raising the efficiency the saving energy, the material of moisture content about 25% after primary drying, carries out redrying in efficient drier special, material water ratio≤10% after dry; Redrying is continuous feeding and discharging mode;
E. the material after redrying, cool through cooler again, screening machine sieves, the oversize being greater than the requirement of feed feed particles is pulverized through pulverizer, finally make stomach-tryptose complex enzyme digestibility >=70%, thick protein >=75%, moisture content≤10%, loose protein supplementaling feed;
F. by pipeline by once with in the exhaust gas centralized that produces in redrying process, adopt waste gas total system process waste gas, the toxic emission after process reaches state environmental emissioning standard;
G. recovery technology is adopted to reclaim clean condensed water for domestic water and water for industrial use.
In above-mentioned step a, adopt plumage water separator and screw extruder removing moisture, this plumage water separator extruder can adopt carbon steel, stainless steel material to make, feather moisture content of raw material after dewatering is below 40%, under the prerequisite not affecting hydrolysis effect, make the overall moisture needing dried material reduce more than 30%, save mass energy; Concentration equipment is moveable concentration equipment.
In above-mentioned step b, step b adopts HTHP poultry feather process cooker, during hydrolysis, makes internal pressure keep 0.33Mpa-0.38Mpa (temperature is 137 DEG C to 142 DEG C), keep 30-40min; When entering primary drying after release, make inner heating-up temperature be 80 DEG C to 90 DEG C, internal pressure is-0.004mpa to-0.003mpa; The pan feeding bore of equipment is greater than 400mm, and has filter gas port, waste gas recovering device and the condensate drain that can make moisture evaporative emissions;
In above-mentioned step c, for improving drying efficiency, after the surface moisture rapid evaporation of material, when material state is loose shape, material is drawn off from cooker, moisture content about 25%.
In above-mentioned steps d, use efficient drying equipment to carry out further drying, its output object major part is powdery, and small part is graininess moisture content≤10%.
In above-mentioned step e, cooled by cooler, screening machine sieves, the oversize being greater than the requirement of feed feed particles is pulverized through pulverizer, finally make stomach-tryptose complex enzyme digestibility >=70%, thick protein >=75%, moisture content≤10%, loose protein supplementaling feed, meets feather meal feedstuff industry standard.
In above-mentioned step f, by pipeline by once with in the exhaust gas centralized that produces in redrying process, cool through water-cooled exhaust processor, water-fast waste gas enters purge tank again after chemical processor neutralisation treatment, from the gas of the minute quantity that purge tank is discharged, discharge after filling adsorption again, waste water qualified discharge after sewage disposal that period produces.
In above-mentioned step g, saved by the clean condensed water produced in high-temperature high-pressure apparatus production process and be conveyed in insulation holding vessel by heat-exchanger pump, its condensed water can be used as domestic water and water for industrial use.
Effect of the present invention: poultry feather makes full use of by the present invention; The large quantity of exhaust gas produced in processing procedure, disposes qualified discharge by waste gas treatment equipment; The heat energy produced in processing procedure and condensed water also can recycle, and poultry feather is turned waste into wealth, and processing cost are low, can practical operation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, poultry feather resource utilization method of the present invention is elaborated.
Fig. 1 is the process chart of poultry feather New method for recycling of the present invention.
Detailed description of the invention:
The construction procedure that poultry feather New method for recycling of the present invention is detailed is:
1. first, the poultry feather of coming is transported in poultry dressing farm, and washing is removed watery blood, earth etc. and drained moisture by plumage water separator, and is sorted the metal sundries taking out the minute quantity be mixed into by removable concentration equipment; Poultry feather water content≤70% after draining.
2. adopt screw extruder to squeeze to anhydrate point, this band extruder can adopt carbon steel, stainless steel material to make, through extruding after feather moisture content of raw material below 40%, under the prerequisite not affecting hydrolysis, make the overall moisture needing dried material reduce more than 30%, save mass energy;
3. the poultry feather pushed through is loaded special HTHP cooker and poultry feather is carried out boiling sterilization hydrolysis drying, most of moisture is vaporized.The HTHP cooker adopted be a kind of airtight, high temperature, heating, pressure vessel and equipment, includes rabbling mechanism, be use steam is heating source.Internal pressure is made to keep 0.33Mpa-0.38Mpa (temperature is 137 DEG C to 142 DEG C), hydrolysis time 30-40min during hydrolysis.Enter the primary drying stage after hydrolysis terminates, time dry, inner heating-up temperature is 80-90 DEG C, and internal pressure is-0.004mpa to-0.003mpa.It has a kind of heavy caliber feeding mouth, and bore is greater than 400mm.This equipment has the filter gas port and waste gas recovering device that can make moisture evaporative emissions.This equipment also possesses condensate drain.For improving drying efficiency, after the surface moisture rapid evaporation of material, when material state is loose shape, material is drawn off from cooker.
4. adopt the said equipment after primary drying, discharging when material moisture is about 25%.Use efficient drying equipment to carry out drying and redrying further, its output object major part is powdery, and small part is graininess.This equipment has the filter gas port and waste gas recovering device that can make moisture evaporative emissions.This equipment also possesses condensate drain.
5. material is cooled by cooler, screening machine sieves, the oversize being greater than the requirement of feed feed particles is pulverized through pulverizer, finally make stomach egg-tryptose complex enzyme digestibility >=70%, thick protein >=75%, moisture content≤10%, loose protein supplementaling feed, meets feather meal forage standard.
6. by pipeline by once with redrying process in produce discarded to concentrate, cool through water-cooled exhaust processor, water-fast waste gas enters purge tank again after the process of chemical processor chemical neutralization, discharges from the gas of the minute quantity of purge tank discharge after filling adsorption again.The waste water qualified discharge after sewage disposal produced.Waste water and gas discharge meets concerned countries standard.
7. adopt recovery technology to reclaim clean condensed water for domestic water and water for industrial use.Saved by the clean condensed water produced in high-temperature high-pressure apparatus production process and be conveyed in insulation holding vessel by heat-exchanger pump, its condensed water can be used as domestic water and water for industrial use.
Through reaching the practice of 5 years, current processing step is complete to be performed as normal production technology.
Claims (4)
1. a poultry feather resource utilization method, comprises the steps:
A. the poultry feather raw material collected is passed through washing, dehydration and water squeezing three kinds of mode respective pretreatment, make its water content 40%-50%, and magneticly elect metal sundries; Under the prerequisite not affecting hydrolysis effect, the overall moisture needing dried feed is greatly reduced, save mass energy;
B. the poultry feather after step a process being carried out boiling sterilization hydrolysis pulverizes dry, and the moisture of 20 ± 5% is evaporated, and adopts HTHP poultry feather process cooker, during hydrolysis, makes internal pressure keep 0.33MPa-0.38MPa, keeps 30-40min; When entering primary drying after release, make inner heating-up temperature be 80 DEG C to 90 DEG C, internal pressure is-0.004MPa to-0.003MPa; The pan feeding bore of cooker is greater than 400mm, and has filter gas port, waste gas recovering device and the condensate drain that can make moisture evaporative emissions;
C. the poultry feather after primary drying be be hydrolyzed, moisture content about 25%, loose material;
D. for raising the efficiency the saving energy, the material of moisture content about 25% after primary drying, carries out redrying in efficient drier special, material water ratio≤10% after dry; Redrying is continuous feeding and discharging mode;
E. the material after redrying, cool through cooler again, screening machine sieves, the oversize being greater than the requirement of feed feed particles is pulverized through pulverizer, finally make stomach-tryptose complex enzyme digestibility >=70%, gross protein value >=75%, moisture content≤10%, loose protein supplementaling feed;
F. by pipeline by once with in the exhaust gas centralized that produces in redrying process, adopt waste gas total system process waste gas, the toxic emission after process reaches state environmental emissioning standard;
G. recovery technology is adopted to reclaim clean condensed water for domestic water and water for industrial use.
2. poultry feather resource utilization method as claimed in claim 1, is characterized in that: adopt plumage water separator and screw extruder to remove moisture in step a, concentration equipment is moveable concentration equipment.
3. poultry feather resource utilization method as claimed in claim 1, it is characterized in that: in step f, by pipeline by once with in the exhaust gas centralized that produces in redrying process, cool through water-cooled exhaust processor, water-fast waste gas enters purge tank again after chemical processor neutralisation treatment, from the gas of the minute quantity that purge tank is discharged, then discharge after filler in packed column absorption, waste water qualified discharge after sewage disposal of generation.
4. poultry feather resource utilization method as claimed in claim 1, is characterized in that: in step g, and saved by the clean condensed water produced in production process and be conveyed in insulation holding vessel by heat-exchanger pump, its condensed water is as domestic water and water for industrial use.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210487946.6A CN103831282B (en) | 2012-11-26 | 2012-11-26 | A kind of poultry feather resource utilization method |
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| CN201210487946.6A CN103831282B (en) | 2012-11-26 | 2012-11-26 | A kind of poultry feather resource utilization method |
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| CN103831282A CN103831282A (en) | 2014-06-04 |
| CN103831282B true CN103831282B (en) | 2015-10-28 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106615635A (en) * | 2016-11-19 | 2017-05-10 | 王丽 | Method for preparing feather keratin powder employing hydrolysis method |
| CN109289734A (en) * | 2018-10-24 | 2019-02-01 | 四川建筑职业技术学院 | A kind of method and apparatus being made degradable adhesives of feather stem |
| CN111296634A (en) * | 2020-03-11 | 2020-06-19 | 无棣县兴亚生物科技有限公司 | Production equipment and process of feather powder additive |
| CN113668073A (en) * | 2020-05-13 | 2021-11-19 | 宣城明佳羽绒有限公司 | Washing process for down feather processing |
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| US4231926A (en) * | 1978-12-11 | 1980-11-04 | Rowland Retrum | Method and apparatus for hydrolyzing keratinaceous material |
| US4269865A (en) * | 1978-07-10 | 1981-05-26 | Ralston Purina Company | Process for the production of a food product from feathers |
| US4378311A (en) * | 1978-12-11 | 1983-03-29 | Rowland Retrum | Method for hydrolyzing keratinaceous material |
| CN2060979U (en) * | 1990-01-23 | 1990-08-29 | 北京市农业机械研究所 | Drying device for steaming boiling livestock and birds feather |
| CN201194521Y (en) * | 2008-04-17 | 2009-02-18 | 靳荣普 | Novel device for processing feather powder fodder |
| CN102500597A (en) * | 2011-10-24 | 2012-06-20 | 东华大学 | Feather degrading device and method |
| CN102578688A (en) * | 2012-03-15 | 2012-07-18 | 唐清波 | Processing equipment and processing technique for poultry feather protein powder |
-
2012
- 2012-11-26 CN CN201210487946.6A patent/CN103831282B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4269865A (en) * | 1978-07-10 | 1981-05-26 | Ralston Purina Company | Process for the production of a food product from feathers |
| US4231926A (en) * | 1978-12-11 | 1980-11-04 | Rowland Retrum | Method and apparatus for hydrolyzing keratinaceous material |
| US4378311A (en) * | 1978-12-11 | 1983-03-29 | Rowland Retrum | Method for hydrolyzing keratinaceous material |
| CN2060979U (en) * | 1990-01-23 | 1990-08-29 | 北京市农业机械研究所 | Drying device for steaming boiling livestock and birds feather |
| CN201194521Y (en) * | 2008-04-17 | 2009-02-18 | 靳荣普 | Novel device for processing feather powder fodder |
| CN102500597A (en) * | 2011-10-24 | 2012-06-20 | 东华大学 | Feather degrading device and method |
| CN102578688A (en) * | 2012-03-15 | 2012-07-18 | 唐清波 | Processing equipment and processing technique for poultry feather protein powder |
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