CN110116124A - A kind of poultry refuse processing method - Google Patents

A kind of poultry refuse processing method Download PDF

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Publication number
CN110116124A
CN110116124A CN201910381678.1A CN201910381678A CN110116124A CN 110116124 A CN110116124 A CN 110116124A CN 201910381678 A CN201910381678 A CN 201910381678A CN 110116124 A CN110116124 A CN 110116124A
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CN
China
Prior art keywords
mixture
reaction
acid
processing method
poultry
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CN201910381678.1A
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Chinese (zh)
Inventor
郭艳
张进良
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Shangqiu Normal University
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Shangqiu Normal University
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Priority to CN201910381678.1A priority Critical patent/CN110116124A/en
Publication of CN110116124A publication Critical patent/CN110116124A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass

Abstract

The present invention relates to agricultural technology fields, specifically disclose a kind of poultry refuse processing method, specifically includes the following steps: a. is centrifugated, obtain animal miscellaneous hair mixture, internal organ or limbs mixture, animal wastes mixture and liquid mixture;B. animal miscellaneous hair mixture, internal organ or limbs mixture are uniformly mixed and carry out high-temperature hydrolysis;C. hydrolysate obtained in step b is successively dried, pulverization process, obtains mixture B;D. animal wastes mixture is handled, obtains mixture C;E. liquid mixture is subjected to Fenton reaction, reaction product filter-press dehydration, solids is dry, crushes, and filtrate carries out micro-electrolysis reaction;F. the BOD and COD value of liquid in the cell reaction product collected in detecting step e.Poultry refuse processing method provided by the invention can be handled the various types waste generated during livestock culture.

Description

A kind of poultry refuse processing method
Technical field
The present invention relates to agricultural technology fields, specifically disclose a kind of poultry refuse processing method.
Background technique
Environmental pollution is on the rise in modern society, and it is discarded that a large amount of excrement, internal organ are easy to produce during livestock culture Object and sewage etc., the BOD and COD value of these substances are higher, are directly discharged to environment if be not effectively treated, it will serious Environment is endangered, but is rich in N, P and organic matter in these wastes again, if directly according to conventional sewage water treatment method, it cannot It is efficiently used, significantly waste of resource.Existing poultry refuse processing method is single, just for poultry generate excrement into Row processing, but the wastes such as internal organ, feather or corpse can be also generated during livestock culture, there are also abundant in these substances Protein, if it is possible to be effectively used, it will greatly improve the comprehensive utilization ratio of poultry waste.
Summary of the invention
The present invention provides a kind of poultry refuse processing method, can be useless to the various types generated during livestock culture Gurry is handled.
A kind of poultry refuse processing method, specifically includes the following steps:
A. processing is centrifuged in poultry waste, obtains animal miscellaneous hair mixture, internal organ or limbs mixture, moves Object excrement mixture and liquid mixture;
B. animal miscellaneous hair mixture, internal organ or the limbs mixture in step a are uniformly mixed and obtain mixture A, and will Mixture A carries out pyrohydrolysis, collects hydrolysate, and hydrolysate is successively dry, crushing obtains can be used as regenerative feedstuff Mixture B;
C. the animal wastes mixture in step a is shone to water content is 50-70%, by the 0.5%-1% of its total weight Acidulant is added, continues to air-dry, until adding when the moisture content of mixture is 30-40% by the 0.2-0.5% of total weight of the mixture Enter the formalin that mass fraction is 35-40%, continues to air-dry after stirring;When moisture is down to 20-30%, add quite In the urea of its total weight 1-3%, stirring dissolves urea sufficiently, naturally dries to after water content is 10-15%, at crushing Reason, obtains the mixture C that can be used as organic fertilizer;
D. the liquid mixture in step a is transported in Fenton reaction tank and is reacted, obtained reaction product into The processing of row filter-press dehydration, the solids that filters pressing obtains is dried, pulverization process, obtains the mixture that can be used as organic fertilizer D;After acidity regulator adjusting pH to 3-4 is added in filtrate, it is added to progress cell reaction in micro-electrolysis reaction pond, it is anti-to collect electrolysis Answer the clarified solution of product;
E. the BOD and COD value for the clarified solution collected in detecting step d are discharged after adjusting pH to 7.0-7.5 after up to standard;It does not reach Mark continues micro-electrolysis reaction, until BOD and COD value are up to standard.
Preferably, the centrifugal rotational speed in step a is 500-2000r/min, centrifugation time 10-20min.
Preferably, step b high temperature hydrolysis process for treating are as follows: mixture A is added in reaction kettle, in a kettle plus Enter to be equivalent to the sodium hydroxide of mixture A total weight 0.05-0.2%, control reaction temperature is 110-150 DEG C, reacts 30- 60min。
Preferably, the acidulant in step c is Pfansteihl, citric acid, fumaric acid, formic acid, acetic acid, propionic acid, butyric acid, sorb One or more of acid, malic acid, tartaric acid, benzoic acid, phosphoric acid or sulfuric acid mixture.
Preferably, Fenton reaction treatment temperature is 25-40 DEG C in step d, and the processing time is 20-30h.
Preferably, aerator is equipped in step d in micro-electrolysis reaction pond, cell reaction voltage is 100-200v, reaction Time is 30-60min.
Preferably, the water content of the mixture B is not more than 10%.
The prior art is compared, the invention has the benefit that
Poultry refuse processing method provided by the invention, can by generate during livestock culture include internal organ, feather, The classification of all wastes object such as corpse, excrement and sewage is handled, according to the difference of waste property, by internal organ, feather and corpse The mixed processings such as body are processed into biogas and organic fertilizer at regenerative feedstuff, by manure fermentation, by sewage treatment at the water that can be discharged, fill Divide the comprehensive utilization ratio for improving poultry waste.
Specific embodiment
In order to enable those skilled in the art to more fully understand, technical solution of the present invention is practiced, below with reference to specific The invention will be further described for embodiment, but illustrated embodiment is not as a limitation of the invention.
Embodiment 1
A kind of poultry refuse processing method, specifically includes the following steps:
A. poultry waste is put into super-magnum centrifuge, setting centrifugal rotational speed is 500r/min, is centrifuged 20min, obtains Animal miscellaneous hair mixture, internal organ or limbs mixture, animal wastes mixture and liquid mixture;
B. animal miscellaneous hair mixture, internal organ or the limbs mixture in step a are sufficiently mixed, obtain mixture A, then will Mixture A is added in reaction kettle, and the sodium hydroxide for being equivalent to mixture A total weight 0.05%, control are added in a kettle Reaction temperature is 110 DEG C, reacts 30min, collects hydrolysate;It is 10% by obtained hydrolysate drying to water content, then Pulverization process is carried out, mixture B is obtained;
C. the animal wastes mixture in step a is shone to water content is 50%, and phosphorus is added by the 0.5% of its total weight Acid continues to air-dry after mixing evenly, until matter is added by the 0.2% of total weight of the mixture when the moisture content of mixture is 30% The formalin that score is 35% is measured, continues to air-dry after mixing evenly;When moisture content is 20%, adds and be equivalent to it The urea of total weight 1%, stirring dissolve urea sufficiently, then naturally dry to water content be 10% after, carry out pulverization process, obtain To mixture C;
D. the liquid mixture in step a is transported in Fenton reaction tank, is added based on the gross mass of liquid mixture Enter 27.5% hydrogen peroxide oxidant and 5% ferrous sulfate catalyst, setting treatment temperature is 25 DEG C, and liquid mixture is made to exist 20h is reacted in reaction tank, obtained reaction product carries out filter-press dehydration processing, and the solids that filters pressing obtains is dried, crushes Processing, obtains mixture D;After acidity regulator adjusting pH to 3 is added in filtrate, it is added in iron-carbon micro-electrolysis reaction unit and carries out Cell reaction, reaction time are 30 minutes, and aerator is equipped in micro-electrolysis reaction pond, and the voltage of cell reaction is 100v, are received Collection electrolysis reaction product, reaction product is filtered, clarified solution is collected;
E. the BOD and COD value for the clarified solution collected in detecting step d, it is up to standard after adjust pH to 7.0 after direct emission or into Row field irrigation;If BOD and COD value be not up to standard, continue micro-electrolysis reaction, until BOD value and COD value reach national dirty The standard of water discharge.
The nutriments such as obtained mixture B protein rich in are handled, may be used as the regeneration of ox, pig, fish etc. It may be used as organic fertilizer in feed, mixture C and mixture D.
Embodiment 2
A kind of poultry refuse processing method, specifically includes the following steps:
A. poultry waste is put into super-magnum centrifuge, setting centrifugal rotational speed is 2000r/min, is centrifuged 10min, obtains Animal miscellaneous hair mixture, internal organ or limbs mixture, animal wastes mixture and liquid mixture;
B. animal miscellaneous hair mixture, internal organ or the limbs mixture in step a are sufficiently mixed, obtain mixture A, then will Mixture A is added in reaction kettle, and the sodium hydroxide for being equivalent to mixture A total weight 0.2% is added in a kettle, and control is anti- Answering temperature is 150 DEG C, reacts 60min, collects hydrolysate;It is 8% by obtained hydrolysate drying to water content, then carries out Pulverization process obtains mixture B;
C. the animal wastes mixture in step a is shone to water content is 70%, and sulfuric acid is added by the 1% of its total weight, Continue to air-dry after mixing evenly, until quality point is added by the 0.5% of total weight of the mixture when the moisture content of mixture is 40% The formalin that number is 40%, continues to air-dry after mixing evenly;When moisture content is 30%, adds and be equivalent to its gross weight Amount 3% urea, stirring dissolve urea sufficiently, then naturally dry to water content be 15% after, carry out pulverization process, mixed Close object C;
D. the liquid mixture in step a is transported in Fenton reaction tank, is added based on the gross mass of liquid mixture Enter 27.5% hydrogen peroxide oxidant and 5% ferrous sulfate catalyst, setting treatment temperature is 40 DEG C, makes liquid mixture again 30h is reacted in reaction tank, obtained reaction product carries out filter-press dehydration processing, and the solids that filters pressing obtains is dried, crushes Processing, obtains mixture D;After acidity regulator adjusting pH to 4 is added in filtrate, it is added in iron-carbon micro-electrolysis reaction unit and carries out Cell reaction, reaction time are 45 minutes, and aerator is equipped in micro-electrolysis reaction pond, and the voltage of cell reaction is 200v, are received Collection electrolysis reaction product, reaction product is filtered, clarified solution is collected;
E. the BOD and COD value for the clarified solution collected in detecting step d, it is up to standard after adjust pH to 7.5 after direct emission or into Row field irrigation;If BOD and COD value be not up to standard, continue micro-electrolysis reaction, until BOD value and COD value reach national dirty The standard of water discharge.
The nutriments such as obtained mixture B protein rich in are handled, may be used as the regeneration of ox, pig, fish etc. It may be used as organic fertilizer in feed, mixture C and mixture D.
Embodiment 3
A kind of poultry refuse processing method, specifically includes the following steps:
A. poultry waste is put into super-magnum centrifuge, setting centrifugal rotational speed is 1200r/min, is centrifuged 15min, obtains Animal miscellaneous hair mixture, internal organ or limbs mixture, animal wastes mixture and liquid mixture;
B. animal miscellaneous hair mixture, internal organ or the limbs mixture in step a are sufficiently mixed, obtain mixture A, then will Mixture A is added in reaction kettle, and the sodium hydroxide for being equivalent to mixture A total weight 0.1% is added in a kettle, and control is anti- Answering temperature is 130 DEG C, reacts 45min, collects hydrolysate;It is 10% by obtained hydrolysate drying to water content, then into Row pulverization process obtains mixture B;
C. the animal wastes mixture in step a is shone to water content is 60%, and second is added by the 0.8% of its total weight Acid continues to air-dry after mixing evenly, until matter is added by the 0.4% of total weight of the mixture when the moisture content of mixture is 35% The formalin that score is 37% is measured, continues to air-dry after mixing evenly;When moisture content is 25%, adds and be equivalent to it The urea of total weight 2%, stirring dissolve urea sufficiently, then naturally dry to water content be 12% after, carry out pulverization process, obtain To mixture C;
D. the liquid mixture in step a is transported in Fenton reaction tank, is added based on the gross mass of liquid mixture Enter 27.5% hydrogen peroxide oxidant and 5% ferrous sulfate catalyst, setting treatment temperature is 30 DEG C, makes liquid mixture again 25h is reacted in reaction tank, obtained reaction product carries out filter-press dehydration processing, and the solids that filters pressing obtains is dried, crushes Processing, obtains mixture D;After acidity regulator adjusting pH to 4 is added in filtrate, it is added in iron-carbon micro-electrolysis reaction unit and carries out Cell reaction, reaction time are 60 minutes, and aerator is equipped in micro-electrolysis reaction pond, and the voltage of cell reaction is 150v, are received Collection electrolysis reaction product, reaction product is filtered, clarified solution is collected;
E. the BOD and COD value for the clarified solution collected in detecting step d, it is up to standard after adjust pH to 7.5 after direct emission or into Row field irrigation;If BOD and COD value be not up to standard, continue micro-electrolysis reaction, until BOD value and COD value reach national dirty The standard of water discharge.
The nutriments such as obtained mixture B protein rich in are handled, may be used as the regeneration of ox, pig, fish etc. It may be used as organic fertilizer in feed, mixture C and mixture D.
BOD is carried out to the clarified solution product that liquid mixture electrolysis in each embodiment is handled below and COD value detects.
1, method
According to national standards (GB/T 7488-1987) using BOD detector (Qingdao Lv Yu Environmental Protection Technology Co., Ltd, LY-05 type) liquid mixture electrolysis is handled in each embodiment of detection product BOD value;(GB/T according to national standards 11914-1989) liquid in each embodiment is detected using COD detector (Qingdao Lv Yu Environmental Protection Technology Co., Ltd, LY-4DA type) The COD value for the product that mixture electrolysis is handled.
2, result
It the results are shown in Table 1.
The clarified solution product BOD and COD value testing result that liquid mixture electrolysis is handled in each embodiment of table 1
Grouping BOD(mg/L) COD(mg/L)
Embodiment 1 15 55
Embodiment 2 13 54
Embodiment 3 16 55
As shown in Table 1, the product BOD and COD value that liquid mixture electrolysis is handled in each embodiment reach country Sewage drainage standard.
It should be noted that involved in claims of the present invention when numberical range, it is thus understood that each numberical range Any one numerical value can be selected between two endpoints and two endpoints, due to step method and the Examples 1 to 3 phase of use Together, it repeats in order to prevent, the present invention describes preferred embodiment, and once a person skilled in the art knows basic wounds The property made concept, then additional changes and modifications may be made to these embodiments.So the following claims are intended to be interpreted as includes Preferred embodiment and all change and modification for falling into the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (7)

1. a kind of poultry refuse processing method, which is characterized in that specifically includes the following steps:
A. processing is centrifuged in poultry waste, obtains animal miscellaneous hair mixture, internal organ or limbs mixture, animal excreta Just mixture and liquid mixture;
B. animal miscellaneous hair mixture, internal organ or the limbs mixture in step a are uniformly mixed and obtain mixture A, and will mixing Object A carries out pyrohydrolysis, collects hydrolysate, hydrolysate is successively dry, crushing, obtains can be used as the mixed of regenerative feedstuff Close object B;
C. the animal wastes mixture in step a is shone to water content is 50-70%, is added by the 0.5%-1% of its total weight Acidulant continues to air-dry, until matter is added by the 0.2-0.5% of total weight of the mixture when the moisture content of mixture is 30-40% The formalin that score is 35-40% is measured, continues to air-dry after stirring;When moisture is down to 20-30%, adds and be equivalent to it The urea of total weight 1-3%, stirring dissolve urea sufficiently, naturally dry to water content as after 10-15%, pulverization process is obtained To the mixture C that can be used as organic fertilizer;
D. the liquid mixture in step a is transported in Fenton reaction tank and is reacted, obtained reaction product is pressed Dehydration is filtered, the solids that filters pressing obtains is dried, pulverization process, obtains the mixture D that can be used as organic fertilizer;Filter After acidity regulator adjusting pH to 3-4 is added in liquid, it is added to progress cell reaction in micro-electrolysis reaction pond, cell reaction is collected and produces Clarified solution in object;
E. the BOD and COD value for the clarified solution collected in detecting step d are discharged after adjusting pH to 7.0-7.5 after up to standard;It is not up to standard after It is continuous to carry out micro-electrolysis reaction, until BOD and COD value are up to standard.
2. poultry refuse processing method according to claim 1, which is characterized in that the centrifugal rotational speed in step a is 500-2000r/min, centrifugation time 10-20min.
3. poultry refuse processing method according to claim 1, which is characterized in that step b high temperature hydrolysis process side Method are as follows: mixture A is added in reaction kettle, the hydrogen for being equivalent to mixture A total weight 0.05-0.2% is added in a kettle Sodium oxide molybdena, control reaction temperature are 110-150 DEG C, react 30-60min.
4. poultry refuse processing method according to claim 1, which is characterized in that the acidulant in step c is L- cream In acid, citric acid, fumaric acid, formic acid, acetic acid, propionic acid, butyric acid, sorbic acid, malic acid, tartaric acid, benzoic acid, phosphoric acid or sulfuric acid One or more of mixtures.
5. poultry refuse processing method according to claim 1, which is characterized in that Fenton reaction treatment in step d Temperature is 25-40 DEG C, and the processing time is 20-30h.
6. poultry refuse processing method according to claim 1, which is characterized in that in step d in micro-electrolysis reaction pond Equipped with aerator, cell reaction voltage is 100-200v, reaction time 30-60min.
7. poultry refuse processing method according to claim 1, which is characterized in that the water content of the mixture B is not Greater than 10%.
CN201910381678.1A 2019-05-08 2019-05-08 A kind of poultry refuse processing method Pending CN110116124A (en)

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CN114034046A (en) * 2021-10-27 2022-02-11 南京希捷环保科技有限公司 Method and equipment for carrying out industrial kiln co-processing on hazardous waste

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CN114034046A (en) * 2021-10-27 2022-02-11 南京希捷环保科技有限公司 Method and equipment for carrying out industrial kiln co-processing on hazardous waste
CN114034046B (en) * 2021-10-27 2024-03-29 南京希捷环保科技有限公司 Industrial kiln co-treatment method and equipment for hazardous waste

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Application publication date: 20190813