CN116041095A - Production process of chicken manure organic fertilizer - Google Patents

Abstract

The invention discloses a production process of a chicken manure organic fertilizer, which comprises the following steps: pretreating raw materials, fermenting for the first time, fermenting for the second time, crushing and screening, controlling odor, spreading the crushed and screened compost products, radiating and cooling, detecting and recording the degradation rate of tetracycline antibiotics in the compost products after cooling, and conveying the compost products to a packaging machine for bagging and packaging to prepare finished organic fertilizer products. The invention has scientific process flow, adopts chicken manure to produce the organic fertilizer, can solve the pollution problem of chicken farms, reduces the damage to the environment, accelerates the fermentation rate of chicken manure mixture by adding the composite fermentation inoculant, shortens the fermentation time, improves the degradation rate of tetracycline antibiotics, and increases the production efficiency of the biological organic fertilizer.

Description

A kind of production technology of chicken manure organic fertilizer

technical field

The invention relates to the technical field of chemical fertilizer manufacturing, in particular to a production process of chicken manure organic fertilizer.

Background technique

In recent years, the total amount of livestock and poultry breeding in my country has been continuously increasing, and the scale of chicken farming in my country is the largest in the world. The output of chicken manure and chicken litter is huge, and most of them cannot be fully utilized due to lack of processing technology and other reasons. On the one hand, pathogens spread around with feces and litter, and improper storage and transportation of chicken manure and litter results in a large amount of odor and toxic and harmful substances, resulting in air pollution, water pollution and soil pollution; on the other hand, chicken manure and litter are used as Huge organic fertilizer resources are not fully utilized, resulting in huge waste. Organic fertilizers are rich in organic matter and nutrients needed for crop growth. They can not only provide nutrients needed for crop growth, improve soil, but also improve crop quality and improve crop quality. Yield, promote high and stable crop yield, maintain soil fertility, improve fertilizer utilization rate, reduce production cost, and organic fertilizer of solid organic waste such as livestock and poultry manure and crop straw is to strengthen the protection of water environment and air quality in China, and improve soil quality. Therefore, we propose a production process of chicken manure organic fertilizer.

Contents of the invention

The object of the present invention is to provide a kind of production technology of chicken manure organic fertilizer, to solve the problem that proposes in the above-mentioned background technology.

In order to achieve the above object, the present invention provides following technical scheme: a kind of production technology of chicken manure organic fertilizer comprises the steps:

Step S1: Raw material pretreatment, input chicken manure into the mixer, the water content of chicken manure is ≤70%, add auxiliary materials, mix the auxiliary materials and chicken manure evenly, and then add compound fermentation bacteria into the compost material for mixing;

Step S2: Primary fermentation, using the trough composting process for primary fermentation, put the composted material mixed in step S1 in the fermentation tank, the height of the pile is 1.5-1.8m, turn the pile once every 1-2 days, pass through the machine Turn the pile to keep the temperature of the pile at 55°C to 70°C for 7-10 days;

Step S3: secondary fermentation, remove the compost material fermented once in step S2 from the fermentation tank, and place it in the aging workshop for secondary fermentation and decomposing. -2 times;

Step S4: crushing and screening, crushing and screening the compost product obtained from the secondary fermentation in step S3;

Step S5: Odor control, by optimizing the process and installing an odor collection device, the odor generated during the composting process is effectively collected and treated centrally, and the concentration of the treated odor gas is discharged after reaching the standard;

Step S6: Spread the crushed and sieved compost products in step S4 and then carry out heat dissipation and cooling. After the cooling is completed, detect and record the degradation rate of tetracycline antibiotics in the compost products, and transport the compost products to a packaging machine for bagging Packaging, made into organic fertilizer products.

Preferably, the auxiliary materials in the step S1 include dry cow dung, dry sheep dung, straw and furfural slag, the water content of the auxiliary materials is ≤30%, and the particle size is ≤2cm.

Preferably, in the step S1, after the auxiliary materials and chicken manure are evenly mixed, the water content is adjusted to 45-60%, the carbon-nitrogen ratio is 25:1-30:1, and the particle size is less than 2cm.

Preferably, the composite fermentation bacterial agent in the step S1 is a composite flora composed of various natural beneficial microbial groups of bacteria, filamentous bacteria, yeast and actinomycetes, and the inoculation amount of the composite fermentation bacterial agent is compost 0.1% to 0.2% of raw materials.

Preferably, in the step S2, when the temperature of the stack is ≥70°C, the stack is turned over to lower the temperature.

Preferably, in the step S3, the moisture in the heap drops below 30%, and the fermentation is terminated when the temperature of the heap drops to ambient temperature.

Preferably, the particle size of the compost product crushed and screened in the step S4 is ≤5mm.

Compared with prior art, the beneficial effect of the present invention is:

1. The present invention is equipped with a scientific process flow, and adopts chicken manure to produce organic fertilizer, which can solve the pollution problem of chicken farms, reduce the damage to the environment, and accelerate the fermentation rate of chicken manure mixture through the addition of composite fermentation bacteria agent , shorten the fermentation time, increase the degradation rate of tetracycline antibiotics, and increase the production efficiency of bio-organic fertilizers.

2. The production process of the chicken manure organic fertilizer provided by the invention is applicable to all livestock and poultry breeding, has remarkable social and economic benefits, and has broad prospects for promotion.

Description of drawings

Fig. 1 is a production process flow chart of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "another end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific Azimuth configuration and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "installed", "set with", "connected", etc. should be understood in a broad sense, such as "connected", which may be a fixed connection , can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Example 1

A kind of production technology of chicken manure organic fertilizer, comprises the steps:

Step S1: raw material pretreatment, input chicken manure into the mixer, the water content of chicken manure is ≤70%, add auxiliary materials, the auxiliary materials include dry cow manure, dry sheep manure, straw and furfural slag, the water content of auxiliary materials is ≤30%, and the particle size is ≤ 2cm, mix the auxiliary materials and chicken manure evenly, adjust the moisture to 45% after the auxiliary materials and chicken manure are mixed evenly, the carbon-nitrogen ratio is 25:1, and the particle size is less than 2cm, then add compound fermentation bacteria to the compost material for mixing, compounding The fermenting agent is a compound flora composed of various natural beneficial microorganisms including bacteria, filamentous fungi, yeast and actinomycetes, and the inoculum amount of the compound fermenting agent is 0.1% of the compost raw material;

Step S2: Primary fermentation, using the trough composting process for primary fermentation, put the compost material mixed in step S1 in the fermentation tank, the height of the pile is 1.5m, turn the pile once every 1 day, and turn the pile mechanically The body temperature is kept at 55°C for 7 days, and when the pile body temperature is ≥70°C, turn the pile to cool down;

Step S3: Secondary fermentation, remove the composted material fermented once in step S2 from the fermentation tank, put it in the aging workshop for secondary fermentation and decompose, the height of the secondary fermentation pile is 2, turn the pile once a week, when The moisture in the heap drops below 30%, and the fermentation is terminated when the temperature of the heap drops to the ambient temperature;

Step S4: crushing and screening, crushing and screening the compost product obtained from the secondary fermentation in step S3, and the particle size of the compost product after crushing and screening is ≤5mm;

Step S5: Odor control, by optimizing the process and installing an odor collection device, the odor generated during the composting process is effectively collected and treated centrally, and the concentration of the treated odor gas is discharged after reaching the standard;

Step S6: Spread the crushed and sieved compost products in step S4 and then carry out heat dissipation and cooling. After the cooling is completed, detect and record the degradation rate of tetracycline antibiotics in the compost products, and transport the compost products to a packaging machine for bagging Packaging, made into organic fertilizer products.

Example 2

A kind of production technology of chicken manure organic fertilizer, comprises the steps:

Step S1: raw material pretreatment, input chicken manure into the mixer, the water content of chicken manure is ≤70%, add auxiliary materials, the auxiliary materials include dry cow manure, dry sheep manure, straw and furfural slag, the water content of auxiliary materials is ≤30%, and the particle size is ≤ 2cm, mix the auxiliary materials and chicken manure evenly, adjust the moisture to 60% after the auxiliary materials and chicken manure are mixed evenly, the carbon-nitrogen ratio is 30:1, and the particle size is less than 2cm, then add compound fermentation bacteria to the compost material for mixing, compounding The fermentation agent is a compound flora composed of various natural beneficial microorganisms including bacteria, filamentous fungi, yeast and actinomycetes, and the inoculum amount of the composite fermentation agent is 0.2% of the compost raw materials;

Step S2: Primary fermentation, using the trough composting process for primary fermentation, put the compost material mixed in step S1 in the fermentation tank, the height of the pile is 1.8m, turn the pile once every 2 days, and turn the pile mechanically The bulk temperature is kept at 70°C for 10 days, and when the stack body temperature is ≥70°C, turn the stack to cool down;

Step S3: secondary fermentation, remove the compost material fermented once in step S2 from the fermentation tank, put it in the aging workshop for secondary fermentation and decompose, the height of the secondary fermentation pile is 2.5m, turn the pile twice a week, Terminate fermentation when the moisture in the heap drops below 30% and the temperature of the heap drops to ambient temperature;

Step S4: crushing and screening, crushing and screening the compost product obtained from the secondary fermentation in step S3, and the particle size of the compost product after crushing and screening is ≤5mm;

Step S5: Odor control, by optimizing the process and installing an odor collection device, the odor generated during the composting process is effectively collected and treated centrally, and the concentration of the treated odor gas is discharged after reaching the standard;

Step S6: Spread the crushed and sieved compost products in step S4 and then carry out heat dissipation and cooling. After the cooling is completed, detect and record the degradation rate of tetracycline antibiotics in the compost products, and transport the compost products to a packaging machine for bagging Packaging, made into organic fertilizer products.

Example 3

A kind of production technology of chicken manure organic fertilizer, comprises the steps:

Step S1: raw material pretreatment, input chicken manure into the mixer, the water content of chicken manure is ≤70%, add auxiliary materials, the auxiliary materials include dry cow manure, dry sheep manure, straw and furfural slag, the water content of auxiliary materials is ≤30%, and the particle size is ≤ 2cm, mix the auxiliary materials and chicken manure evenly, adjust the moisture to 50% after the auxiliary materials and chicken manure are mixed evenly, the carbon-nitrogen ratio is 28:1, and the particle size is less than 2cm, then add compound fermentation bacteria to the compost material for mixing, compounding The fermentation agent is a compound flora composed of various natural beneficial microorganisms including bacteria, filamentous fungi, yeast and actinomycetes, and the inoculum amount of the composite fermentation agent is 0.15% of the compost raw material;

Step S2: Primary fermentation, using the trough composting process for primary fermentation, put the composted material mixed in step S1 in the fermentation tank, the height of the pile is 1.6m, turn the pile every 1 day, and turn the pile mechanically The body temperature is kept at 60°C for 8 days, and when the pile body temperature is ≥70°C, turn the pile to cool down;

Step S3: secondary fermentation, remove the compost material fermented once in step S2 from the fermentation tank, and place it in the aging workshop for secondary fermentation and decomposing. The height of the secondary fermentation pile is 2.2m, and the pile is turned once a week. Terminate fermentation when the moisture in the heap drops below 30% and the temperature of the heap drops to ambient temperature;

Step S4: crushing and screening, crushing and screening the compost product obtained from the secondary fermentation in step S3, and the particle size of the compost product after crushing and screening is ≤5mm;

Step S5: Odor control, by optimizing the process and installing an odor collection device, the odor generated during the composting process is effectively collected and treated centrally, and the concentration of the treated odor gas is discharged after reaching the standard;

Step S6: Spread the crushed and sieved compost products in step S4 and then carry out heat dissipation and cooling. After the cooling is completed, detect and record the degradation rate of tetracycline antibiotics in the compost products, and transport the compost products to a packaging machine for bagging Packaging, made into organic fertilizer products.

Example 4

A kind of production technology of chicken manure organic fertilizer, comprises the steps:

Step S1: raw material pretreatment, input chicken manure into the mixer, the water content of chicken manure is ≤70%, add auxiliary materials, the auxiliary materials include dry cow manure, dry sheep manure, straw and furfural slag, the water content of auxiliary materials is ≤30%, and the particle size is ≤ 2cm, mix the auxiliary materials and chicken manure evenly, adjust the moisture to 55% after the auxiliary materials and chicken manure are mixed evenly, the carbon-nitrogen ratio is 28:1, and the particle size is less than 2cm, then add compound fermentation bacteria to the compost material for mixing, compounding The fermentation agent is a compound flora composed of various natural beneficial microorganisms including bacteria, filamentous fungi, yeast and actinomycetes, and the inoculum amount of the composite fermentation agent is 0.15% of the compost raw material;

Step S2: Primary fermentation, using the trough composting process for primary fermentation, put the compost material mixed in step S1 in the fermentation tank, the height of the pile is 1.7m, turn the pile once every 2 days, and turn the pile mechanically The body temperature is kept at 65°C for 9 days, and when the pile body temperature is ≥70°C, turn the pile to cool down;

Step S3: secondary fermentation, remove the compost material fermented once in step S2 from the fermentation tank, and place it in the aging workshop for secondary fermentation and decomposing. The height of the secondary fermentation pile is 2.3m, and the pile is turned twice a week. Terminate fermentation when the moisture in the heap drops below 30% and the temperature of the heap drops to ambient temperature;

Step S4: crushing and screening, crushing and screening the compost product obtained from the secondary fermentation in step S3, and the particle size of the compost product after crushing and screening is ≤5 mm;

Step S5: Odor control, by optimizing the process and installing an odor collection device, the odor generated during the composting process is effectively collected and treated centrally, and the concentration of the treated odor gas is discharged after reaching the standard;

Step S6: Spread the crushed and sieved compost products in step S4 and then carry out heat dissipation and cooling. After the cooling is completed, detect and record the degradation rate of tetracycline antibiotics in the compost products, and transport the compost products to a packaging machine for bagging Packaging, made into organic fertilizer products.

Tetracycline antibiotic degradation rate refers to the ratio of the tetracycline antibiotic content in the compost raw material of the tetracycline antibiotic content station of the oxytetracycline, tetracycline, chlortetracycline and doxycycline removed in the composting process, the result of embodiment 1-4 gained By comparison, it can be concluded that the degradation rate of tetracycline antibiotics in the organic fertilizer obtained by the production process of chicken manure organic fertilizer provided by the present invention is ≥75%, the seed germination index is ≥70%, and the death rate of roundworm eggs is ≥95%.

In summary, the present invention is equipped with a scientific process flow, and uses chicken manure to produce organic fertilizers, which can solve the pollution problem of chicken farms, reduce damage to the environment, and speed up the production of chicken manure mixture through the addition of composite fermentation bacteria agents. Fermentation rate shortens the fermentation time, improves the degradation rate of tetracycline antibiotics, and increases the production efficiency of bio-organic fertilizer; the production process of chicken manure organic fertilizer provided by the invention is applicable to all livestock and poultry breeding, with social and economic benefits Significantly, it has broad prospects for promotion.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. a production technique of chicken manure organic fertilizer, is characterized in that: comprise the steps: Step S1: Raw material pretreatment, input chicken manure into the mixer, the water content of chicken manure is ≤70%, add auxiliary materials, mix the auxiliary materials and chicken manure evenly, and then add compound fermentation bacteria into the compost material for mixing; Step S2: Primary fermentation, using the trough composting process for primary fermentation, put the composted material mixed in step S1 in the fermentation tank, the height of the pile is 1.5-1.8m, turn the pile once every 1-2 days, pass through the machine Turn the pile to keep the temperature of the pile at 55°C to 70°C for 7-10 days; Step S3: secondary fermentation, remove the compost material fermented once in step S2 from the fermentation tank, and place it in the aging workshop for secondary fermentation and decomposing. -2 times; Step S4: crushing and screening, crushing and screening the compost product obtained from the secondary fermentation in step S3; Step S5: Odor control, by optimizing the process and installing an odor collection device, the odor generated during the composting process is effectively collected and treated centrally, and the concentration of the treated odor gas is discharged after reaching the standard; Step S6: Spread the crushed and sieved compost products in step S4 and then carry out heat dissipation and cooling. After the cooling is completed, detect and record the degradation rate of tetracycline antibiotics in the compost products, and transport the compost products to a packaging machine for bagging Packaging, made into organic fertilizer products. 2. The production process of a chicken manure organic fertilizer according to claim 1, characterized in that: the auxiliary materials in the step S1 include dry cow dung, dry sheep manure, straw and furfural slag, and the water content of the auxiliary materials is ≤ 30%, particle size ≤ 2cm. 3. The production process of a chicken manure organic fertilizer according to claim 1, characterized in that: in the step S1, the auxiliary material and the chicken manure are evenly mixed and then the moisture is adjusted to 45-60%, and the carbon-nitrogen ratio is 25:1 ~30:1, the particle size is less than 2cm. 4. the production process of a kind of chicken manure organic fertilizer according to claim 1, is characterized in that: the composite fermentation bacterial agent in the described step S1 is made of multiple natural beneficial bacteria, filamentous fungi, saccharomycetes and actinomycetes A composite flora composed of microorganisms, the inoculum amount of the composite fermentation bacterial agent is 0.1% to 0.2% of the compost raw materials. 5. The production process of a chicken manure organic fertilizer according to claim 1, characterized in that: in the step S2, when the temperature of the pile is ≥ 70°C, the pile is turned over to cool down. 6. The production process of a chicken manure organic fertilizer according to claim 1, characterized in that: in the step S3, the moisture in the heap drops below 30%, and the fermentation is terminated when the temperature of the heap drops to ambient temperature. 7. The production process of chicken manure organic fertilizer according to claim 1, characterized in that: the particle size of the compost product after crushing and screening in the step S4 is ≤5mm.

Images