CN112679048A - Beef cattle breeding waste treatment method - Google Patents
Beef cattle breeding waste treatment method Download PDFInfo
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- CN112679048A CN112679048A CN202011616738.2A CN202011616738A CN112679048A CN 112679048 A CN112679048 A CN 112679048A CN 202011616738 A CN202011616738 A CN 202011616738A CN 112679048 A CN112679048 A CN 112679048A
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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 beef cattle breeding waste treatment method, which comprises the following steps: step 1, homogenizing: injecting a weak acid hypochlorous acid solution into the excrement storage tank, and fully mixing; step 2, solid-liquid separation; step 3, filter residue treatment: adding straw powder into the filter residue, and fully stirring and mixing to prepare an organic fertilizer; step 4, dirty liquid treatment: further removing suspended impurities in the dirty liquid through centrifugation and air flotation; step 5, primary precipitation treatment: the sewage flows into a primary sedimentation tank, and a coagulant is added into the sewage; and 6, secondary precipitation treatment: centrifugally standing and precipitating the polluted liquid in a secondary sedimentation tank to form precipitated sludge and supernatant; and 7, sterilization and deodorization: injecting sterilizing deodorant into the supernatant, mixing thoroughly, and filtering. According to the invention, solid-liquid separation is carried out on the waste, and then solid and liquid are respectively treated to obtain the organic fertilizer and odorless clear water, so that the organic fertilizer and odorless clear water can be reused, and the use value of the waste is improved.
Description
Technical Field
The invention belongs to the technical field of livestock breeding, and particularly relates to a beef cattle breeding waste treatment method.
Background
In recent years, the beef cattle breeding industry in China rapidly develops from courtyard breeding to intensification, large-scale and commercialization, particularly around cities, beef cattle farms are more and more, the scale is larger and larger, and the economic benefits of the intensification and large-scale beef cattle breeding industry are very obvious. However, the problem of environmental pollution associated with aquaculture waste is becoming more serious. Only a very small part of the excrement in the farm is subjected to harmless treatment, and most of the excrement is directly discharged without treatment, so that the surface water, the underground water and the environment are seriously polluted, and even the physical health and the living standard of people are directly influenced.
Disclosure of Invention
The invention aims to provide a beef cattle breeding waste treatment method to solve the problem of pollution caused by waste emission in the existing beef cattle breeding.
The beef cattle breeding waste treatment method comprises the following steps:
step 1, homogenizing: introducing the excrement into an excrement storage tank, injecting a weak acid hypochlorous acid solution into the excrement storage tank, and fully mixing;
step 2, solid-liquid separation: carrying out solid-liquid separation on the pretreated excrement to obtain filter residue and sewage;
step 3, filter residue treatment: adding straw powder into the filter residue, and fully stirring and mixing to prepare an organic fertilizer;
step 4, dirty liquid treatment: further removing suspended impurities in the polluted liquid by centrifuging and air floating the polluted liquid, and then removing organic pollutants and most of nitrogen and phosphorus compounds by anaerobic and aerobic microorganisms;
step 5, primary precipitation treatment: enabling the waste liquid to flow into a primary sedimentation tank, adding a coagulant into the waste liquid, and fully mixing and reacting to form sediment;
and 6, secondary precipitation treatment: centrifugally standing and precipitating the polluted liquid in a secondary sedimentation tank to form precipitated sludge and supernatant;
and 7, sterilization and deodorization: and injecting a sterilization deodorant into the supernatant, fully mixing, filtering, and temporarily storing the filtered water in a clear water pool after disinfection treatment for a livestock farm to wash water for a cowshed and irrigation water for peripheral farmlands.
Preferably, the weight ratio of the filter residue to the straw powder in the step 3 is 4:1-3: 1.
Preferably, the weight ratio of the filter residue to the straw powder in the step 3 is 4: 1.
Preferably, the coagulant in the step 5 comprises polymeric ferric sulfate and polymeric aluminum chloride.
Preferably, the weight ratio of the polymeric ferric sulfate to the polymeric aluminum chloride is 3: 5.
Preferably, the sterilizing and deodorizing agent in step 8 comprises citric acid solution, hypochlorous acid solution, camellia extract, mint extract and tea polyphenol.
Preferably, the weight ratio of the citric acid solution to the hypochlorous acid solution to the camellia extract to the mint extract to the tea polyphenol is 15:18:6:7: 6.
Preferably, the precipitates in the step 5 and the step 6 are subjected to humification composting and then added into the organic fertilizer in the step 3.
The beneficial effect of this scheme does: 1. according to the invention, the solid-liquid separation is carried out on the waste, and then the solid and the liquid are respectively treated to obtain the organic fertilizer and odorless clear water, so that the organic fertilizer and the odorless clear water can be reused, the problem of pollution caused by waste discharge is avoided, and the use value of the waste is improved.
2. Through solid-liquid separation and twice sedimentation treatment in this scheme, add the coagulant that polyferric sulfate and polyaluminium chloride constitute in the first sediment, the sedimentation speed is fast, the precipitate particle is big, the effect of solid and liquid separation has been improved, citric acid solution, hypochlorous acid solution, camellia extract, peppermint extract and the deodorant that disinfects that tea polyphenol constitutes have been added in liquid, this deodorant that disinfects can disappear and kill the bacterium in the foul solution, and can take place the reaction with odor molecules such as odor main component ammonia, hydrogen sulfide, change the odor into odorless substance, thereby fundamentally gets rid of the odor, purify the environment.
Detailed Description
The following is further detailed by way of specific embodiments:
example 1: a beef cattle breeding waste treatment method comprises the following steps:
step 1, homogenizing: introducing the excrement into an excrement storage tank, injecting a weak acid hypochlorous acid solution into the excrement storage tank, and fully mixing;
step 2, solid-liquid separation: carrying out solid-liquid separation on the pretreated excrement to obtain filter residue and sewage;
step 3, filter residue treatment: adding 1 part of straw powder into 4 parts of filter residues, and fully stirring and mixing to prepare an organic fertilizer;
step 4, dirty liquid treatment: further removing suspended impurities in the polluted liquid by centrifuging and air floating the polluted liquid, and then removing organic pollutants and most of nitrogen and phosphorus compounds by anaerobic and aerobic microorganisms;
step 5, primary precipitation treatment: the sewage flows into a primary sedimentation tank, and a coagulant is added into the sewage, wherein the coagulant comprises the following components in parts by weight: 3 parts of polymeric ferric sulfate and 5 parts of polymeric aluminum chloride are fully mixed and reacted to form a precipitate, the precipitate is subjected to humification composting treatment, and then the sediment is added into the organic fertilizer in the step 3;
and 6, secondary precipitation treatment: performing centrifugal standing and precipitation treatment on the waste liquid in a secondary precipitation tank to form precipitated sludge and supernatant, performing humus composting treatment on the precipitated sludge, and adding the humus compost into the organic fertilizer in the step 3;
and 7, sterilization and deodorization: and injecting a sterilization deodorant into the supernatant, wherein the sterilization deodorant comprises 15 parts by weight of citric acid solution, 18 parts by weight of hypochlorous acid solution, 6 parts by weight of camellia extract, 7 parts by weight of mint extract and 6 parts by weight of tea polyphenol, fully mixing, filtering, sterilizing the filtered water, and temporarily storing the sterilized water in a clear water pool for a livestock farm to wash water for the cattle shed and irrigation water for peripheral farmlands.
Example 2: a beef cattle breeding waste treatment method comprises the following steps:
step 1, homogenizing: introducing the excrement into an excrement storage tank, injecting a weak acid hypochlorous acid solution into the excrement storage tank, and fully mixing;
step 2, solid-liquid separation: carrying out solid-liquid separation on the pretreated excrement to obtain filter residue and sewage;
step 3, filter residue treatment: adding 2 parts of straw powder into 7 parts of filter residues, and fully stirring and mixing to prepare an organic fertilizer;
step 4, dirty liquid treatment: further removing suspended impurities in the polluted liquid by centrifuging and air floating the polluted liquid, and then removing organic pollutants and most of nitrogen and phosphorus compounds by anaerobic and aerobic microorganisms;
step 5, primary precipitation treatment: the sewage flows into a primary sedimentation tank, and a coagulant is added into the sewage, wherein the coagulant comprises the following components in parts by weight: 3 parts of polymeric ferric sulfate and 5 parts of polymeric aluminum chloride are fully mixed and reacted to form a precipitate, the precipitate is subjected to humification composting treatment, and then the sediment is added into the organic fertilizer in the step 3;
and 6, secondary precipitation treatment: performing centrifugal standing and precipitation treatment on the waste liquid in a secondary precipitation tank to form precipitated sludge and supernatant, performing humus composting treatment on the precipitated sludge, and adding the humus compost into the organic fertilizer in the step 3;
and 7, sterilization and deodorization: and injecting a sterilization deodorant into the supernatant, wherein the sterilization deodorant comprises 15 parts by weight of citric acid solution, 18 parts by weight of hypochlorous acid solution, 6 parts by weight of camellia extract, 7 parts by weight of mint extract and 6 parts by weight of tea polyphenol, fully mixing, filtering, sterilizing the filtered water, and temporarily storing the sterilized water in a clear water pool for a livestock farm to wash water for the cattle shed and irrigation water for peripheral farmlands.
Example 3: a beef cattle breeding waste treatment method comprises the following steps:
step 1, homogenizing: introducing the excrement into an excrement storage tank, injecting a weak acid hypochlorous acid solution into the excrement storage tank, and fully mixing;
step 2, solid-liquid separation: carrying out solid-liquid separation on the pretreated excrement to obtain filter residue and sewage;
step 3, filter residue treatment: adding 1 part of straw powder into 3 parts of filter residues, and fully stirring and mixing to prepare an organic fertilizer;
step 4, dirty liquid treatment: further removing suspended impurities in the polluted liquid by centrifuging and air floating the polluted liquid, and then removing organic pollutants and most of nitrogen and phosphorus compounds by anaerobic and aerobic microorganisms;
step 5, primary precipitation treatment: the sewage flows into a primary sedimentation tank, and a coagulant is added into the sewage, wherein the coagulant comprises the following components in parts by weight: 3 parts of polymeric ferric sulfate and 5 parts of polymeric aluminum chloride are fully mixed and reacted to form a precipitate, the precipitate is subjected to humification composting treatment, and then the sediment is added into the organic fertilizer in the step 3;
and 6, secondary precipitation treatment: performing centrifugal standing and precipitation treatment on the waste liquid in a secondary precipitation tank to form precipitated sludge and supernatant, performing humus composting treatment on the precipitated sludge, and adding the humus compost into the organic fertilizer in the step 3;
and 7, sterilization and deodorization: and injecting a sterilization deodorant into the supernatant, wherein the sterilization deodorant comprises 15 parts by weight of citric acid solution, 18 parts by weight of hypochlorous acid solution, 6 parts by weight of camellia extract, 7 parts by weight of mint extract and 6 parts by weight of tea polyphenol, fully mixing, filtering, sterilizing the filtered water, and temporarily storing the sterilized water in a clear water pool for a livestock farm to wash water for the cattle shed and irrigation water for peripheral farmlands.
Claims (8)
1. A beef cattle breeding waste treatment method is characterized by comprising the following steps: the method comprises the following steps:
step 1, homogenizing: introducing the excrement into an excrement storage tank, injecting a weak acid hypochlorous acid solution into the excrement storage tank, and fully mixing;
step 2, solid-liquid separation: carrying out solid-liquid separation on the pretreated excrement to obtain filter residue and sewage;
step 3, filter residue treatment: adding straw powder into the filter residue, and fully stirring and mixing to prepare an organic fertilizer;
step 4, dirty liquid treatment: further removing suspended impurities in the polluted liquid by centrifuging and air floating the polluted liquid, and then removing organic pollutants and most of nitrogen and phosphorus compounds by anaerobic and aerobic microorganisms;
step 5, primary precipitation treatment: enabling the waste liquid to flow into a primary sedimentation tank, adding a coagulant into the waste liquid, and fully mixing and reacting to form sediment;
and 6, secondary precipitation treatment: centrifugally standing and precipitating the polluted liquid in a secondary sedimentation tank to form precipitated sludge and supernatant;
and 7, sterilization and deodorization: and injecting a sterilization deodorant into the supernatant, fully mixing, filtering, and temporarily storing the filtered water in a clear water pool after disinfection treatment for a livestock farm to wash water for a cowshed and irrigation water for peripheral farmlands.
2. The beef cattle breeding waste treatment method according to claim 1, characterized in that: the weight ratio of the filter residue to the straw powder in the step 3 is 4:1-3: 1.
3. The beef cattle breeding waste treatment method according to claim 2, characterized in that: the weight ratio of the filter residue to the straw powder in the step 3 is 4: 1.
4. The beef cattle breeding waste treatment method according to claim 3, characterized in that: the coagulant in the step 5 comprises polymeric ferric sulfate and polymeric aluminum chloride.
5. The beef cattle breeding waste treatment method according to claim 4, characterized in that: the weight ratio of the polymeric ferric sulfate to the polymeric aluminum chloride is 3: 5.
6. The beef cattle breeding waste treatment method according to claim 5, characterized in that: the sterilization deodorant in the step 8 comprises a citric acid solution, a hypochlorous acid solution, a camellia extract, a mint extract and tea polyphenol.
7. The beef cattle breeding waste treatment method according to claim 6, characterized in that: the weight ratio of the citric acid solution to the hypochlorous acid solution to the camellia extract to the mint extract to the tea polyphenol is 15:18:6:7: 6.
8. The beef cattle breeding waste treatment method according to claim 7, characterized in that: and (3) carrying out humus composting treatment on the precipitates in the step (5) and the step (6), and then adding the precipitates into the organic fertilizer in the step (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011616738.2A CN112679048A (en) | 2020-12-31 | 2020-12-31 | Beef cattle breeding waste treatment method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011616738.2A CN112679048A (en) | 2020-12-31 | 2020-12-31 | Beef cattle breeding waste treatment method |
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| CN112679048A true CN112679048A (en) | 2021-04-20 |
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| CN202011616738.2A Withdrawn CN112679048A (en) | 2020-12-31 | 2020-12-31 | Beef cattle breeding waste treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315026A (en) * | 2021-12-28 | 2022-04-12 | 生态环境部华南环境科学研究所 | Harmless storage and adsorption treatment method for liquid manure and ammonia adsorption device |
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2020
- 2020-12-31 CN CN202011616738.2A patent/CN112679048A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315026A (en) * | 2021-12-28 | 2022-04-12 | 生态环境部华南环境科学研究所 | Harmless storage and adsorption treatment method for liquid manure and ammonia adsorption device |
| CN114315026B (en) * | 2021-12-28 | 2022-09-23 | 生态环境部华南环境科学研究所 | Harmless storage and adsorption treatment method for liquid manure and ammonia adsorption device |
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Application publication date: 20210420 |
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