CN110116124A - A kind of poultry refuse processing method - Google Patents
A kind of poultry refuse processing method Download PDFInfo
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- 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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- Prior art keywords
- mixture
- reaction
- acid
- processing method
- poultry
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations 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
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%.
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Cited By (1)
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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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