CN112341254A - Preparation method of pig manure reclaimed material and pig manure organic fertilizer - Google Patents
Preparation method of pig manure reclaimed material and pig manure organic fertilizer Download PDFInfo
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- CN112341254A CN112341254A CN202011346834.XA CN202011346834A CN112341254A CN 112341254 A CN112341254 A CN 112341254A CN 202011346834 A CN202011346834 A CN 202011346834A CN 112341254 A CN112341254 A CN 112341254A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/60—Heating or cooling during the treatment
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention discloses a preparation method of pig manure reclaimed material and a pig manure organic fertilizer, which comprises the following steps of firstly, adding nontoxic and harmless wood chips, crude rice bran and other auxiliary materials accounting for 10-15% of the total amount of fermented pig manure into fresh pig manure; then stacking the materials in a trapezoidal shape in a pretreatment field, adding the materials into a fermentation tank for fermentation treatment, turning the fermented materials under the work of a turning machine, throwing the fermented materials backwards, and turning the materials to play the roles of loosening, ventilating, emitting water vapor, crushing, stirring and the like so as to promote the materials to ferment, become thoroughly decomposed and dry; during the fermentation process, the pig manure is basically decomposed, then is discharged out of the fermentation tank, is piled in a warehouse for 10 days to finish after-ripening, and is processed into refined organic fertilizer; the invention treats the pig manure to prepare the organic fertilizer, improves the environmental sanitation of the farm, plays an important role in promoting the healthy growth of the live pigs, and simultaneously plays a good role in developing pollution-free, green and organic agricultural product production.
Description
Technical Field
The invention relates to the technical field of pig manure treatment, in particular to a preparation method of a pig manure reclaimed material and a pig manure organic fertilizer.
Background
The pig manure is a good farmyard manure and is a high-quality organic fertilizer resource for fertilizing and improving soil. However, if the fresh pig manure is directly applied, negative effects such as crop root injury, diseases, weed damage and the like are generated. According to statistics, the pig manure is produced in about thousands of pig farms every year, about 1.2t of pig manure is produced every day, and if the pig manure is naturally piled and fermented according to the past, the following defects exist: firstly, the composting time is long (4-6 months), and the effect is poor; secondly, the long-term stacking occupies the field and causes pollution to the surrounding environment; thirdly, the naturally piled and retted fermented manure is in a rotten wet state, has foul smell, is difficult to transport and is difficult to directly apply.
Disclosure of Invention
The invention mainly aims to provide a preparation method of a pig manure reclaimed material and a pig manure organic fertilizer, which can effectively solve the problem of pig manure in the background technology; firstly, the composting time is long (4-6 months), and the effect is poor; secondly, the long-term stacking occupies the field and causes pollution to the surrounding environment; thirdly, the naturally piled and retted fermented manure is in a rotten wet state, has foul smell, is difficult to transport and is difficult to directly apply.
In order to achieve the purpose, the invention adopts the technical scheme that:
a preparation method of pig manure reclaimed material and a pig manure organic fertilizer comprise the following steps:
the method comprises the following steps: firstly, adding nontoxic and harmless wood chips, crude rice bran and other auxiliary materials which account for 10-15 percent of the total amount of the fermented pig manure into fresh pig manure; uniformly mixing the additive and the pig manure, and stacking in a trapezoidal shape in a pretreatment field for 7-10 days;
step two: adding the pretreated pig manure into a fermentation tank, wherein the fermentation tank is designed to have a tank length of 18-25 m and a tank width of 2.5m, and the tank edge is formed by bricking and cement plastering; fermenting the pretreated pig manure at a high temperature of 55-65 ℃, killing pathogenic bacteria and weed seeds in the pig manure, and humating organic matters, wherein nutrients are changed into a form which can be easily absorbed by crops; controlling the fermentation time of the pig manure within 20-25 days;
step three: the turning machine is composed of a rotary drum with a turning shovel, a walking device, a lifting device and the like, the rotary drum is driven by a hydraulic motor to turn over the fermented materials, and the functions of loosening, ventilating, emitting water vapor, crushing, stirring and the like are realized in the process of scattering the fermented materials backwards, so that the fermented materials are promoted to be fermented, decomposed and dried; turning the fermented materials 1-2 times every 5 days;
step four: discharging the decomposed material, wherein the physical index of the decomposed pig manure is brown, the pig manure basically has no odor, the temperature of the material is close to the air temperature, and the looseness is good;
step five: during the fermentation process, the pig manure is basically decomposed, then the pig manure is discharged out of the fermentation tank and is piled in a warehouse for 10 days to finish after-ripening;
step six: and processing the after-ripening materials into refined organic fertilizer.
Preferably, the water content of the pig manure in the step one is controlled to be 60%, and the carbon-nitrogen ratio is 30-40.
Preferably, in the first step, calcium superphosphate accounting for 5% of the total amount of the fermentation materials is added into the pig manure, and the pH value of the pig manure is adjusted to 7.5.
Preferably, the pig manure pretreated by the pig manure in the second step is fermented at a high temperature of 55-65 ℃.
Preferably, the temperature of the fermentation materials in the third step is controlled to be 55-70 ℃.
Preferably, the decomposed materials in the fourth step are discharged, the water content of chemical indexes is below 30%, the total nutrient content of nitrogen, phosphorus and potassium reaches 50-60 g/kg, the pH value is 7.5-8.0, the organic matter content is more than or equal to 30%, the escherichia coli value is less than or equal to 10-1, and the parasite egg mortality is 95% -100%.
Compared with the prior art, the invention has the following beneficial effects: firstly, adding nontoxic and harmless wood chips, crude rice bran and other auxiliary materials which account for 10-15 percent of the total amount of the fermented pig manure into fresh pig manure; then stacking the materials in a trapezoidal shape in a pretreatment field, adding the materials into a fermentation tank for fermentation treatment, turning the fermented materials under the work of a turning machine, throwing the fermented materials backwards, and turning the materials to play the roles of loosening, ventilating, emitting water vapor, crushing, stirring and the like so as to promote the materials to ferment, become thoroughly decomposed and dry; during the fermentation process, the pig manure is basically decomposed, then is discharged out of the fermentation tank, is piled in a warehouse for 10 days to finish after-ripening, and is processed into refined organic fertilizer; the invention treats the pig manure to prepare the organic fertilizer, improves the environmental sanitation of the farm, plays an important role in promoting the healthy growth of the live pigs, and simultaneously plays a good role in developing pollution-free, green and organic agricultural product production.
Drawings
FIG. 1 is a process flow chart of a preparation method of a pig manure reclaimed material and a pig manure organic fertilizer.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1, a preparation method of pig manure reclaimed material and a pig manure organic fertilizer comprise the following steps:
example 1:
the method comprises the following steps: firstly, adding nontoxic and harmless wood chips, crude rice bran and other auxiliary materials which account for 10-15% of the total amount of the fermented pig manure into fresh pig manure, wherein the wood chips and the crude rice bran have the functions of regulating moisture, ventilating and carbon-nitrogen ratio; the water content of the pig manure is controlled to be 60%, and the carbon-nitrogen ratio is 30-40; then adding calcium superphosphate accounting for 5 percent of the total amount of the fermented materials, and adjusting the pH value of the pig manure to 7.5; uniformly mixing the additive and the pig manure, and stacking in a trapezoidal shape in a pretreatment yard for 7 days in summer and autumn;
step two: adding the pretreated pig manure into a fermentation tank, wherein the fermentation tank is designed to have a tank length of 18-25 m and a tank width of 2.5m, and the tank edge is formed by bricking and cement plastering; fermenting the pretreated pig manure at a high temperature of 55-65 ℃, killing pathogenic bacteria and weed seeds in the pig manure, and humating organic matters, wherein nutrients are changed into a form which can be easily absorbed by crops; in summer and autumn, the temperature is suitable for mass propagation of zymophyte existing in the pig manure, so that the fermentation situation can be quickly achieved without adding a zymophyte agent; fermenting the pig manure in summer and autumn for 20 days;
step three: the turning machine is composed of a rotary drum with a turning shovel, a walking device, a lifting device and the like, the rotary drum is driven by a hydraulic motor to turn over the fermented materials, and the functions of loosening, ventilating, emitting water vapor, crushing, stirring and the like are realized in the process of scattering the fermented materials backwards, so that the fermented materials are promoted to be fermented, decomposed and dried; turning the fermented materials for 2 times every 5 days in summer and autumn, and controlling the fermentation temperature of the materials to be between 55 and 70 ℃;
step four: discharging the decomposed material, wherein the physical index of the decomposed pig manure is brown, the pig manure basically has no odor, the temperature of the material is close to the air temperature, and the looseness is good; the chemical indexes include that the water content is below 30%, the total nutrient content of nitrogen, phosphorus and potassium reaches 50-60 g/kg, the pH is 7.5-8.0, the organic matter content is more than or equal to 30%, the escherichia coli value is less than or equal to 10-1, and the parasite oviposition mortality is 95% -100%;
step five: during the fermentation process, the pig manure is basically decomposed, then the pig manure is discharged out of the fermentation tank and is piled in a warehouse for 10 days to finish after-ripening;
step six: and processing the after-ripening materials into refined organic fertilizer.
Example 2:
the method comprises the following steps: firstly, adding nontoxic and harmless wood chips, crude rice bran and other auxiliary materials which account for 10-15% of the total amount of the fermented pig manure into fresh pig manure, wherein the wood chips and the crude rice bran have the functions of regulating moisture, ventilating and carbon-nitrogen ratio; the water content of the pig manure is controlled to be 60%, and the carbon-nitrogen ratio is 30-40; then adding calcium superphosphate accounting for 5 percent of the total amount of the fermented materials, and adjusting the pH value of the pig manure to 7.5; uniformly mixing the additive and the pig manure, and stacking in a trapezoidal shape in a pretreatment yard for 10 days in winter and spring;
step two: adding the pretreated pig manure into a fermentation tank, wherein the fermentation tank is designed to have a tank length of 18-25 m and a tank width of 2.5m, and the tank edge is formed by bricking and cement plastering; fermenting the pretreated pig manure at a high temperature of 55-65 ℃, killing pathogenic bacteria and weed seeds in the pig manure, and humating organic matters, wherein nutrients are changed into a form which can be easily absorbed by crops; in winter and spring, 0.2-0.3% of zymophyte agent is added to each ton of fermentation material; fermenting pig manure in winter and spring for 25 days;
step three: the turning machine is composed of a rotary drum with a turning shovel, a walking device, a lifting device and the like, the rotary drum is driven by a hydraulic motor to turn over the fermented materials, and the functions of loosening, ventilating, emitting water vapor, crushing, stirring and the like are realized in the process of scattering the fermented materials backwards, so that the fermented materials are promoted to be fermented, decomposed and dried; turning the fermented materials 1 time in the noon every 5 days in winter and spring to control the fermentation temperature of the materials to be between 55 and 70 ℃;
step four: discharging the decomposed material, wherein the physical index of the decomposed pig manure is brown, the pig manure basically has no odor, the temperature of the material is close to the air temperature, and the looseness is good; the chemical indexes include that the water content is below 30%, the total nutrient content of nitrogen, phosphorus and potassium reaches 50-60 g/kg, the pH is 7.5-8.0, the organic matter content is more than or equal to 30%, the escherichia coli value is less than or equal to 10-1, and the parasite oviposition mortality is 95% -100%;
step five: during the fermentation process, the pig manure is basically decomposed, then the pig manure is discharged out of the fermentation tank and is piled in a warehouse for 10 days to finish after-ripening;
step six: and processing the after-ripening materials into refined organic fertilizer.
The invention relates to a preparation method of pig manure reclaimed material and a pig manure organic fertilizer, when in use, firstly, nontoxic and harmless wood chips, crude rice bran and other auxiliary materials accounting for 10-15% of the total amount of fermented pig manure are added into fresh pig manure; then stacking the materials in a trapezoidal shape in a pretreatment field, adding the materials into a fermentation tank for fermentation treatment, turning the fermented materials under the work of a turning machine, throwing the fermented materials backwards, and turning the materials to play the roles of loosening, ventilating, emitting water vapor, crushing, stirring and the like so as to promote the materials to ferment, become thoroughly decomposed and dry; during the fermentation process, the pig manure is basically decomposed, then is discharged out of the fermentation tank, is piled in a warehouse for 10 days, is subjected to after-ripening, and is processed into the refined organic fertilizer.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A preparation method of pig manure reclaimed material and a pig manure organic fertilizer are characterized by comprising the following steps:
the method comprises the following steps: firstly, adding nontoxic and harmless wood chips, crude rice bran and other auxiliary materials which account for 10-15 percent of the total amount of the fermented pig manure into fresh pig manure; uniformly mixing the additive and the pig manure, and stacking in a trapezoidal shape in a pretreatment field for 7-10 days;
step two: adding the pretreated pig manure into a fermentation tank, wherein the fermentation tank is designed to have a tank length of 18-25 m and a tank width of 2.5m, and the tank edge is formed by bricking and cement plastering; fermenting the pretreated pig manure at a high temperature of 55-65 ℃, killing pathogenic bacteria and weed seeds in the pig manure, and humating organic matters, wherein nutrients are changed into a form which can be easily absorbed by crops; controlling the fermentation time of the pig manure within 20-25 days;
step three: the turning machine is composed of a rotary drum with a turning shovel, a walking device, a lifting device and the like, the rotary drum is driven by a hydraulic motor to turn over the fermented materials, and the functions of loosening, ventilating, emitting water vapor, crushing, stirring and the like are realized in the process of scattering the fermented materials backwards, so that the fermented materials are promoted to be fermented, decomposed and dried; turning the fermented materials 1-2 times every 5 days;
step four: discharging the decomposed material, wherein the physical index of the decomposed pig manure is brown, the pig manure basically has no odor, the temperature of the material is close to the air temperature, and the looseness is good;
step five: during the fermentation process, the pig manure is basically decomposed, then the pig manure is discharged out of the fermentation tank and is piled in a warehouse for 10 days to finish after-ripening;
step six: and processing the after-ripening materials into refined organic fertilizer.
2. The preparation method of the pig manure reclaimed material and the pig manure organic fertilizer according to claim 1 are characterized in that: in the first step, the water content of the pig manure is controlled to be 60%, and the carbon-nitrogen ratio is 30-40.
3. The preparation method of the pig manure reclaimed material and the pig manure organic fertilizer according to claim 1 are characterized in that: in the first step, calcium superphosphate accounting for 5% of the total amount of the fermented materials is added into the pig manure, and the pH value of the pig manure is adjusted to 7.5.
4. The preparation method of the pig manure reclaimed material and the pig manure organic fertilizer according to claim 1 are characterized in that: and in the second step, fermenting the pig manure pretreated by the pig manure at a high temperature of 55-65 ℃.
5. The preparation method of the pig manure reclaimed material and the pig manure organic fertilizer according to claim 1 are characterized in that: and in the third step, the temperature of the fermentation material is controlled to be 55-70 ℃.
6. The preparation method of the pig manure reclaimed material and the pig manure organic fertilizer according to claim 1 are characterized in that: discharging the decomposed materials, wherein the water content of chemical indexes is below 30%, the total nutrient content of nitrogen, phosphorus and potassium reaches 50-60 g/kg, the pH value is 7.5-8.0, the organic matter content is more than or equal to 30%, the escherichia coli value is less than or equal to 10-1, and the parasite egg death rate is 95% -100%.
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| CN202011346834.XA CN112341254A (en) | 2020-11-25 | 2020-11-25 | Preparation method of pig manure reclaimed material and pig manure organic fertilizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115141048A (en) * | 2022-07-13 | 2022-10-04 | 山西正道良田农业股份有限公司 | Microbial organic fertilizer fermentation method |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115141048A (en) * | 2022-07-13 | 2022-10-04 | 山西正道良田农业股份有限公司 | Microbial organic fertilizer fermentation method |
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Application publication date: 20210209 |