CN112645749A - Method for producing organic fertilizer from livestock and poultry manure - Google Patents
Method for producing organic fertilizer from livestock and poultry manure Download PDFInfo
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- CN112645749A CN112645749A CN202011537865.3A CN202011537865A CN112645749A CN 112645749 A CN112645749 A CN 112645749A CN 202011537865 A CN202011537865 A CN 202011537865A CN 112645749 A CN112645749 A CN 112645749A
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- C—CHEMISTRY; METALLURGY
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- 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
- C05F17/70—Controlling the treatment in response to process parameters
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- C—CHEMISTRY; METALLURGY
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- 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
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
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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
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
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- C—CHEMISTRY; METALLURGY
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- 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
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- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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Abstract
The invention provides a method for producing an organic fertilizer by livestock and poultry manure, which comprises the following steps: firstly, preparing the following raw materials, livestock and poultry manure, a leavening agent and auxiliary materials. And step two, putting the leavening agent and the auxiliary materials into a fermentation device, mixing and stirring uniformly. And step three, putting the livestock and poultry manure into a fermentation barrel to be mixed with the leavening agent and the auxiliary materials and uniformly stirred. And step four, controlling the temperature in the fermentation barrel to be 55-65 ℃, and controlling the fermentation period to be 10-20 days. During the fermentation cycle, the blower is operated continuously to supply oxygen. The stirring main rod operates and stirs once every 7-9 hours, the stirring time is 20-30 minutes every time, and the rotating frequency is 10-60 revolutions per minute. The pressure intensity in the fermentation barrel is controlled between 0.1MPa and 0.15 MPa. And step five, after the fermentation period is finished, raising the temperature in the fermentation barrel to 70 ℃ or above, continuously operating the air feeder, and operating and stirring the stirring main rod for 30-60 minutes to obtain the organic fertilizer. The method greatly improves the manufacturing efficiency of the organic fertilizer.
Description
Technical Field
The invention relates to the technical field of organic fertilizer manufacturing, in particular to a method for producing an organic fertilizer from livestock and poultry manure.
Background
The organic fertilizer is also called 'farmyard manure'. Organic fertilizers are all produced by using organic substances (compounds containing carbon elements) as fertilizers. Including human excrement, manure, compost, green manure, cake manure, biogas manure, and the like. Has the characteristics of multiple varieties, wide sources, long fertilizer efficiency and the like. The organic fertilizer contains many nutrient elements in organic state, and is difficult to be directly utilized by crops, and through the action of microorganisms, various nutrient elements are slowly released, and the nutrients are continuously supplied to the crops. The application of the organic fertilizer can improve the soil structure, coordinate water, fertilizer, gas and heat in the soil, and improve the soil fertility and the land productivity.
Wherein, the livestock and poultry manure can be used as a main raw material for manufacturing organic fertilizer. However, the current method for producing organic fertilizer by using livestock and poultry manure has complex process and long manufacturing period. At present, a method for rapidly preparing an organic fertilizer by using livestock and poultry manure is needed.
Disclosure of Invention
Therefore, a method for producing organic fertilizer from livestock and poultry manure is needed to solve the technical problem of low manufacturing efficiency.
A method for producing organic fertilizer by livestock and poultry manure comprises the following steps:
the method comprises the following steps: the following raw materials were prepared: livestock and poultry manure, a leavening agent and auxiliary materials.
Step two: and (3) putting the leavening agent and the auxiliary materials into a fermentation device, mixing and stirring uniformly.
The fermentation device comprises a fermentation barrel, a stirring component, an oxygen supply component and a heating component. The stirring assembly, the oxygen supply assembly and the heating assembly are respectively connected with the fermentation barrel. The stirring subassembly includes stirring mobile jib, driving motor and a plurality of stirring branch. The stirring main rod part is accommodated in the fermentation barrel, the top end of the stirring main rod is rotatably connected with the inner wall of the top of the fermentation barrel, and the bottom end of the stirring main rod penetrates through the bottom of the fermentation barrel and is rotatably connected with the fermentation barrel. The driving motor is located outside the bottom of the fermentation barrel and is in driving connection with the bottom end of the stirring main rod, and the driving motor is used for driving the stirring main rod to rotate. Each stirring branch rod is respectively arranged on the stirring main rod and contained in the fermentation barrel, and each stirring branch rod is provided with a stirring blade. The oxygen supply assembly comprises a blower and an oxygen supply pipe. The output end of the air feeder is communicated with the input end of the oxygen supply pipe. The stirring main rod is provided with a main air channel, and the main air channel runs through two ends of the stirring main rod. Each stirring branch rod is provided with a branch air channel, and each branch air channel penetrates through two ends of one stirring branch rod and is communicated with the main air channel. The output end part of the oxygen supply pipe is inserted into the bottom end of the stirring main rod and is rotatably connected with the stirring main rod, and the oxygen supply pipe is communicated with the main air flow passage. The top of the fermentation barrel is provided with a heating port which is communicated with the main air flow passage. The heating component comprises a bearing cover and a heating piece, and the bearing cover is connected with the heating piece. The heating element is contained in the main air flow channel, and the bearing cover is covered on the heating opening and connected with the fermentation barrel. The fermentation vat is provided with pan feeding pipe, discharging pipe and blast pipe.
Step three: and (3) putting the livestock and poultry manure into the fermentation barrel to be uniformly mixed with the leavening agent and the auxiliary materials.
Step four: controlling the temperature in the fermentation barrel to be 55-65 ℃, and the fermentation period to be 10-20 days. The blower is operated continuously during the fermentation cycle to supply oxygen. The stirring main rod operates and stirs once every 7-9 hours, the stirring time is 20-30 minutes every time, and the rotating frequency is 10-60 revolutions per minute. The pressure intensity in the fermentation barrel is controlled to be 0.1 MPa-0.15 MPa.
Step five: and after the fermentation period is finished, raising the temperature in the fermentation barrel to 70 ℃ or above, continuously operating the air feeder, and operating and stirring the stirring main rod for 30-60 minutes to obtain the organic fertilizer.
In one embodiment, in the first step, the following raw materials are prepared in parts by weight: 100-200 parts of livestock and poultry manure, 0.1-0.15 part of a leavening agent and 50-100 parts of an auxiliary material.
In one embodiment, the water content of the livestock and poultry manure is 25-40%.
In one embodiment, the leavening agent is a powder.
In one embodiment, the leavening agent comprises yeast, bacillus, trichoderma viride, aspergillus niger, amylase, lipase, protease.
In one embodiment, the temperature in the fermenter is controlled to 60 ℃ in the fourth step.
In one embodiment, in the fourth step, the pressure in the fermentation barrel is controlled to be 0.1 MPa.
In one embodiment, in the fifth step, the temperature in the fermenter is raised to 80 ℃.
In one embodiment, the auxiliary material is crop straw.
In one embodiment, the excipient is straw.
The method for producing the organic fertilizer by using the livestock and poultry manure is characterized in that the livestock and poultry manure, the leavening agent and the auxiliary materials are selected as raw materials, the leavening agent and the auxiliary materials are firstly mixed and stirred uniformly, and then the livestock and poultry manure is added for further mixing and stirring, so that the leavening agent is uniformly mixed into the livestock and poultry manure, and the fermentation process is accelerated. The fermentation process is carried out in the fermentation device, and the fermentation device has the advantages of simple and ingenious structure, strong compactness, high heating and temperature rising efficiency for the interior, good oxygen supply effect, acceleration of the production efficiency of the organic fertilizer and reduction of the production period. After the fermentation period is finished, the temperature is raised to kill the plant diseases and insect pests. And simultaneously controlling the moisture of the finished product, and finally preparing the organic fertilizer. The method for producing the organic fertilizer by using the livestock and poultry manure is simple and convenient, and the manufacturing efficiency of the organic fertilizer is greatly improved.
Drawings
FIG. 1 is a schematic view showing the structure of a fermentation apparatus according to an embodiment;
FIG. 2 is a schematic sectional view of the fermentation apparatus in the embodiment shown in FIG. 1.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The invention provides a method for producing an organic fertilizer by livestock and poultry manure, which comprises the following steps:
the method comprises the following steps: the following raw materials were prepared: livestock and poultry manure, a leavening agent and auxiliary materials.
Step two: the leaven and the auxiliary materials are put into the fermentation device 10 to be mixed and stirred evenly.
The fermentation apparatus 10 includes a fermenter 100, a stirring module 200, an oxygen supply module 300, and a heating module 400. The stirring assembly 200, the oxygen supply assembly 300 and the heating assembly 400 are respectively connected to the fermenter 100. The stirring assembly 200 includes a stirring main rod 210, a driving motor 220, and a plurality of stirring struts 230. The part of the main stirring rod 210 is accommodated in the fermentation barrel 100, the top end of the main stirring rod 210 is rotatably connected with the inner wall of the top of the fermentation barrel 100, and the bottom end of the main stirring rod 210 penetrates through the bottom of the fermentation barrel 100 and is rotatably connected with the fermentation barrel 100. The driving motor 220 is located outside the bottom of the fermentation barrel 100 and is in driving connection with the bottom end of the main stirring rod 210, and the driving motor 220 is used for driving the main stirring rod 210 to rotate. Each of the stirring struts 230 is disposed on the stirring main rod 210 and is received in the fermenter 100, and each of the stirring struts 230 is provided with a stirring blade 240. The oxygen supply assembly 300 includes a blower 310 and an oxygen supply tube 320. The output end of the blower 310 is communicated with the input end of the oxygen supply pipe 320. The main airflow channel 211 is formed in the stirring main rod 210, and the main airflow channel 211 penetrates through two ends of the stirring main rod 210. Each stirring strut 230 is provided with a branch flow channel 231, and each branch flow channel 231 penetrates through two ends of one stirring strut 230 and is communicated with the main flow channel 211. The output end of the oxygen supply pipe 320 is inserted into the bottom end of the stirring main rod 210 and is rotatably connected to the stirring main rod 210, and the oxygen supply pipe 320 is communicated with the main air passage 211. The top of the fermentation barrel 100 is provided with a heating port 110, and the heating port 110 is communicated with a main air passage 211. The heating assembly 400 includes a mounting cover 410 and a heating member 420, and the mounting cover 410 is connected to the heating member 420. The heating member 420 is received in the main air flow path 211, and the receiving cover 410 is covered on the heating port 110 and connected to the fermenter 100. The fermenter 100 is provided with a feeding pipe 120, a discharging pipe 130, and a discharging pipe 140.
Step three: the livestock and poultry manure is put into a fermentation vat to be mixed with a leavening agent and auxiliary materials and stirred evenly.
Step four: the temperature in the fermentation barrel is controlled to be 55-65 ℃, and the fermentation period is 10-20 days. During the fermentation cycle, the blower is operated continuously to supply oxygen. The stirring main rod operates and stirs once every 7-9 hours, the stirring time is 20-30 minutes every time, and the rotating frequency is 10-60 revolutions per minute. The pressure intensity in the fermentation barrel is controlled between 0.1MPa and 0.15 MPa.
Step five: and after the fermentation period is finished, raising the temperature in the fermentation barrel to 70 ℃ or above, continuously operating the air feeder, and operating and stirring the stirring main rod for 30-60 minutes to obtain the organic fertilizer.
The method for producing the organic fertilizer by using the livestock and poultry manure is characterized in that the livestock and poultry manure, the leavening agent and the auxiliary materials are selected as raw materials, the leavening agent and the auxiliary materials are firstly mixed and stirred uniformly, and then the livestock and poultry manure is added for further mixing and stirring, so that the leavening agent is uniformly mixed into the livestock and poultry manure, and the fermentation process is accelerated. The fermentation process is carried out in the fermentation device, and the fermentation device has the advantages of simple and ingenious structure, strong compactness, high heating and temperature rising efficiency for the interior, good oxygen supply effect, acceleration of the production efficiency of the organic fertilizer and reduction of the production period. After the fermentation period is finished, the temperature is raised to kill the plant diseases and insect pests. And simultaneously controlling the moisture of the finished product, and finally preparing the organic fertilizer. The method for producing the organic fertilizer by using the livestock and poultry manure is simple and convenient, and the manufacturing efficiency of the organic fertilizer is greatly improved.
In one embodiment, in order to ensure the use effect of the organic fertilizer, in one embodiment, in the first step, the following raw materials in parts by weight are prepared: 100-200 parts of livestock and poultry manure, 0.1-0.15 part of a leavening agent and 50-100 parts of an auxiliary material. Further, in one embodiment, the water content of the livestock and poultry manure is 25% to 40%. The livestock and poultry manure refers to a kind of rural solid waste generated in livestock and poultry breeding industry, and comprises pig manure, cow manure, sheep manure, chicken manure, duck manure and the like. Further, in one embodiment, the auxiliary material is crop straw. In another embodiment, the adjunct is straw. It should be noted that the auxiliary materials can be selected according to local raw materials, such as various crop stalks, rice straw and peanut shells, sawdust, corncobs, mushroom residues, and eupatene residues. The auxiliary materials mainly play a role in adjusting the ratio of water to carbon and nitrogen and increasing the air permeability. In addition, the auxiliary materials are firstly mixed and stirred uniformly with the leavening agent, and then the livestock and poultry manure is added for further mixing and stirring, so that the leavening agent can be uniformly mixed into the livestock and poultry manure, and the fermentation process is accelerated.
In one embodiment, the leavening agent is a powder. Further, the leavening agent comprises yeast, bacillus, trichoderma viride, aspergillus niger, amylase, lipase and protease. Therefore, the organic fertilizer has the advantages of fast temperature rise, good deodorization and full decomposition, and further improves the production efficiency of the organic fertilizer.
In order to ensure the activity of the fermentation agent, in one embodiment, the temperature in the fermentation vat is controlled to be 60 ℃ in the fourth step. Further, the pressure in the fermentation barrel is controlled to be 0.1 MPa. Therefore, the growth of microorganisms in the leaven is facilitated, and the fermentation efficiency is improved.
In the fifth step, the temperature in the fermentation vat is raised to 70 ℃ or above in order to kill the plant diseases and insect pests. Preferably, the temperature in the fermenter is raised to 80 ℃. Therefore, the effect of killing the plant diseases and insect pests is excellent, and the overhigh temperature in the fermentation barrel is avoided simultaneously so as to ensure the production safety.
It should be noted that, in the fourth step, the oxygen is efficiently provided by the fermentation device, the effectiveness of oxygen supply is ensured, and the fermentation efficiency is ensured and the fermentation period is shortened by the uniform effectiveness of heating.
Further, in the fifth step, a fermentation device is also utilized to rapidly increase the temperature, so that the plant diseases and insect pests are killed, and the qualified standard is reached. Meanwhile, the moisture of the organic fertilizer can be further controlled by stirring and air supply. Finally, the water content of the organic fertilizer can be controlled below 5%, and the quality of finished products is improved.
The method for producing the organic fertilizer by using the livestock and poultry manure provided by the invention utilizes a fermentation device, please refer to fig. 1 and fig. 2, the fermentation device 10 feeds fertilizer raw materials into a fermentation barrel 100 through a feeding pipe 120, and completes the fermentation process in the fermentation barrel 100. Stirring operation is carried out through stirring subassembly 200, and under the driving action of driving motor 220, stirring mobile jib 210 is rotatory to the stirring leaf 240 that drives on each stirring branch 230 stirs, stirs to the fertilizer raw materials. The air blower 310 is coupled to the oxygen supply pipe 320 to supply air to the main air flow path 211 of the agitating main lever 210. Air is introduced into the fermenter 100 through the main flow channel 211 and the respective subsidiary flow channels 231, thereby supplying oxygen to the fermentation process. The air pressure in the fermenter 100 is adjusted by opening and closing the exhaust pipe 140. The inside of the fermenter 100 is heated by the heating unit 400. The heating member 420 may perform a heating function by heat transfer with the agitating main shaft 210. Further, the air may be heated by cooperation with the main air flow passage 211 and the respective branch air flow passages 231, and the heated air may be discharged from the ends of the respective agitating struts 230, thereby achieving a good heating effect. The fermentation device 10 has the advantages of simple and ingenious structure, strong compactness, high heating and warming efficiency for the interior and good oxygen supply effect.
The fermentation barrel 100 is a main structure and supports and mounts the stirring assembly 200, the oxygen supply assembly 300 and the heating assembly 400. The fertilizer raw materials enter the fermentation barrel 100 through the feeding pipe 120, and after the fermentation operation is completed, the organic fertilizer is taken out through the discharging pipe 130. The exhaust pipe 140 serves to adjust the pressure of the air inside the fermenter 100. Specifically, in the present embodiment, the feeding pipe 120 and the exhaust pipe 140 are disposed at the top of the fermentation barrel 100, and the discharging pipe 130 is disposed at the bottom of the fermentation barrel 100.
Stirring subassembly 200 is used for stirring the fertilizer raw materials to do benefit to the fermentation to go on. The driving motor 220 is used for driving the stirring main rod 210 to rotate, each stirring branch rod 230 is arranged on the stirring main rod 210, and each stirring branch rod 230 is provided with a stirring blade 240, thereby realizing a stirring function.
In order to facilitate the rotation of the stirring main rod 210 and ensure that the connection between the stirring main rod 210 and the oxygen supply assembly 300 is not affected, in one embodiment, the driving shaft of the driving motor 220 is provided with a driving gear 221, the outer wall of the bottom end of the stirring main rod 210 is provided with a driven gear 212, and the driving gear 221 is engaged with the driven gear 212. The stirring main rod 210 is rotated by the driving motor 220 by the engagement of the driving gear 221 and the driven gear 212. In this way, the driving motor 220 is located at the lower side of the stirring main rod 210 to provide a space for the oxygen supply assembly 300, thereby facilitating the installation and connection of the oxygen supply assembly 300. In addition, the top end of the main stirring rod 210 is rotatably connected to the inner wall of the top of the fermentation barrel 100, and the bottom end of the main stirring rod 210 penetrates through the bottom of the fermentation barrel 100 and is rotatably connected to the fermentation barrel 100. It can be understood that the fermenting tank 100 plays a role in stabilizing and supporting the stirring main rod 210.
The oxygen supply assembly 300 is used to supply oxygen to the fermenter 100. The blower 310 is connected to the stirring main rod 210 through an oxygen supply pipe 320, and supplies oxygen to the fermenter 100 efficiently by the connection between the main flow path 211 and the branch flow paths 231. It should be noted that the stirring main rod 210 and the oxygen supply pipe 320 are connected in an airtight rotation manner, the oxygen supply pipe 320 does not affect the rotation of the stirring main rod 210, and the oxygen supply pipe 320 is communicated with the main air passage 211, so that the gas in the main air passage does not overflow. Thus, the air delivered by the blower 310 is discharged from the end of each stirring rod 230 into the fermenter 100, thereby improving the oxygen supply effect, improving the uniformity and rate of oxygen supply, enhancing the effectiveness of oxygen supply, and facilitating the fermentation process.
The heating assembly 400 serves to raise the internal temperature of the fermenter 100 to facilitate fermentation. In this embodiment, the fermenter 100 is provided with a heating port 110 communicating with the main air flow path 211, and the heating element 420 is inserted into the main air flow path 211 through the heating port 110. In normal operation, the cap 410 covers the heating port 110 to prevent the air flow from overflowing. Meanwhile, the cover 410 also serves as a mounting support for the heating element 420. Specifically, in this embodiment, the heating element 420 is an electric heating rod. The heating member 420 may perform a heating function by heat transfer with the agitating main shaft 210. Further, the air may be heated by cooperation with the main air flow passage 211 and the respective branch air flow passages 231, and the heated air may be discharged from the ends of the respective agitating struts 230 by the blower 310, thereby achieving a good heating effect.
Referring to table 1, the raw materials of examples 1-3 were selected in the same weight parts as follows: 180 parts of livestock and poultry manure, 0.1 part of leavening agent and 75 parts of auxiliary materials, and the experiments are carried out by the same method. The difference is that in example 1, in step four, the temperature in the fermenter was controlled at 55 ℃. Example 2, in step four, the temperature in the fermenter was controlled at 60 ℃. Example 3, in step four, the temperature in the fermenter was controlled at 65 ℃. Finally, the fermentation period of example 1 was 17 days, the fermentation period of example 2 was 11 days, and the fermentation period of example 3 was 18 days. In the method for producing organic fertilizer by using livestock and poultry manure commonly used in the prior art, the fermentation process is usually carried out for more than 20 days, and the production time of the organic fertilizer is long. That is to say, through utilizing above-mentioned fermenting installation, this method of animal manure production organic fertilizer has reduced the fermentation cycle to a great extent, has accelerated the fermentation process, and then has promoted the production manufacturing efficiency of organic fertilizer.
TABLE 1
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method for producing organic fertilizer by livestock and poultry manure is characterized by comprising the following steps:
the method comprises the following steps: the following raw materials were prepared: livestock and poultry manure, a leavening agent and auxiliary materials;
step two: adding a leavening agent and auxiliary materials into a fermentation device, mixing and stirring uniformly;
the fermentation device comprises a fermentation barrel, a stirring component, an oxygen supply component and a heating component; the stirring assembly, the oxygen supply assembly and the heating assembly are respectively connected with the fermentation barrel; the stirring assembly comprises a stirring main rod, a driving motor and a plurality of stirring support rods; the stirring main rod part is accommodated in the fermentation barrel, the top end of the stirring main rod is rotatably connected with the inner wall of the top of the fermentation barrel, and the bottom end of the stirring main rod penetrates through the bottom of the fermentation barrel and is rotatably connected with the fermentation barrel; the driving motor is positioned outside the bottom of the fermentation barrel and is in driving connection with the bottom end of the stirring main rod, and the driving motor is used for driving the stirring main rod to rotate; each stirring branch rod is respectively arranged on the stirring main rod and contained in the fermentation barrel, and each stirring branch rod is provided with a stirring blade; the oxygen supply assembly comprises a blower and an oxygen supply pipe; the output end of the air feeder is communicated with the input end of the oxygen supply pipe; the stirring main rod is provided with a main airflow channel, and the main airflow channel penetrates through two ends of the stirring main rod; each stirring support rod is provided with a branch air channel, and each branch air channel penetrates through two ends of one stirring support rod and is communicated with the main air channel; the output end part of the oxygen supply pipe is inserted into the bottom end of the stirring main rod and is rotatably connected with the stirring main rod, and the oxygen supply pipe is communicated with the main air flow channel; the top of the fermentation barrel is provided with a heating port which is communicated with the main air flow channel; the heating component comprises a bearing cover and a heating element, and the bearing cover is connected with the heating element; the heating element is accommodated in the main gas flow channel, and the bearing cover is covered on the heating opening and connected with the fermentation barrel; the fermentation barrel is provided with a feeding pipe, a discharging pipe and an exhaust pipe;
step three: putting the livestock and poultry manure into the fermentation barrel to be mixed with the leavening agent and the auxiliary materials and stirred uniformly;
step four: controlling the temperature in the fermentation barrel to be 55-65 ℃, and the fermentation period to be 10-20 days; during the fermentation cycle, the blower is operated continuously to supply oxygen; the stirring main rod operates and stirs once every 7-9 hours, the stirring time is 20-30 minutes each time, and the rotating frequency is 10-60 revolutions per minute; the pressure intensity in the fermentation barrel is controlled to be 0.1 MPa-0.15 MPa;
step five: and after the fermentation period is finished, raising the temperature in the fermentation barrel to 70 ℃ or above, continuously operating the air feeder, and operating and stirring the stirring main rod for 30-60 minutes to obtain the organic fertilizer.
2. The method for producing an organic fertilizer from livestock and poultry manure according to claim 1, characterized in that in the first step, the following raw materials in parts by weight are prepared: 100-200 parts of livestock and poultry manure, 0.1-0.15 part of a leavening agent and 50-100 parts of an auxiliary material.
3. The method for producing an organic fertilizer from livestock and poultry manure according to claim 1, wherein the water content of the livestock and poultry manure is 25-40%.
4. The method for producing an organic fertilizer from livestock and poultry manure according to claim 1, wherein the fermentation agent is a powder.
5. The method for producing organic fertilizer from livestock and poultry manure according to claim 4, wherein the leavening agent comprises yeast, bacillus, trichoderma viride, aspergillus niger, amylase, lipase and protease.
6. The method for producing an organic fertilizer from livestock and poultry manure according to claim 1, wherein in the fourth step, the temperature in the fermentation vat is controlled to be 60 ℃.
7. The method for producing an organic fertilizer from livestock and poultry manure according to claim 1, wherein in the fourth step, the pressure in the fermentation vat is controlled to be 0.1 MPa.
8. The method for producing an organic fertilizer from livestock and poultry manure according to claim 1, wherein in the fifth step, the temperature in the fermentation vat is raised to 80 ℃.
9. The method for producing an organic fertilizer from livestock and poultry manure according to claim 1, wherein the auxiliary material is crop straw.
10. The method for producing an organic fertilizer from livestock and poultry manure according to claim 1, wherein the auxiliary material is straw.
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| CN116730751A (en) * | 2023-06-16 | 2023-09-12 | 江苏惠霖环保科技有限公司 | Livestock manure organic fertilizer fermentation device with stirring function |
| CN116730751B (en) * | 2023-06-16 | 2024-05-24 | 江苏惠霖环保科技有限公司 | Livestock manure organic fertilizer fermentation device with stirring function |
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