CN111377759A - Fermentation process of liquid organic fertilizer of animal excrement - Google Patents
Fermentation process of liquid organic fertilizer of animal excrement Download PDFInfo
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- CN111377759A CN111377759A CN202010201521.9A CN202010201521A CN111377759A CN 111377759 A CN111377759 A CN 111377759A CN 202010201521 A CN202010201521 A CN 202010201521A CN 111377759 A CN111377759 A CN 111377759A
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- C—CHEMISTRY; METALLURGY
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- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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Abstract
The invention discloses a fermentation process of a liquid organic fertilizer of animal excrement, which comprises the following steps: step one, preparing animal manure to obtain a simulated culture solution; step two, mixing the fermentation strain and the nutrient agent, then carrying out enrichment culture, and adding the obtained simulated culture solution during the enrichment culture period to stimulate the fermentation strain to obtain an enrichment fermentation liquid; step three, constructing a grinding device to grind the fermentation raw materials, and mixing the ground fermentation raw materials with the propagation fermentation liquid to obtain a to-be-fermented liquid; step four, introducing the obtained liquid to be fermented into a fermentation bin for fermentation to obtain organic fertilizer slurry; and step five, arranging a solid-liquid separation device to carry out solid-liquid separation on the organic fertilizer slurry to obtain the liquid organic fertilizer. According to the invention, the grinding device is arranged to grind the fermentation raw materials, so that the particle size of the fermentation raw materials is reduced, the fermentation and decomposition of the fermentation raw materials are accelerated, the production efficiency of the organic fertilizer is improved, the residual dregs after fermentation are reduced, and the quality of the liquid organic fertilizer is improved.
Description
Technical Field
The invention relates to the technical field of organic fertilizer production, in particular to a fermentation process of a liquid organic fertilizer containing animal excrement.
Background
Traditional solid-state compost stirring compounding is comparatively difficult, and the material mixing degree of consistency is high inadequately, and the control of temperature and humidity can not accomplish accurate rapidly easily, delays the hysteresis easily, is unfavorable for bio-organic fertilizer's fermentation to bio-organic fertilizer's production efficiency has been influenced.
Along with the progress of science and technology, the sprinkling irrigation and drip irrigation technology is more and more widely applied, the demand of the liquid fertilizer is more and more vigorous, the liquid fertilizer has the advantages of accurate fertilization, high fertilizer utilization rate, contribution to automatic control and the like compared with solid compost, meanwhile, the fermentation of the liquid fertilizer is more favorable for control, the production period is shorter, the efficiency is higher, and especially, the biological organic liquid fertilizer has the characteristic of environmental protection.
However, organic liquid fertilizer production and fermentation face the following problems: from the beginning, raw materials mainly comprising plant debris and animal excrement contain a large amount of solid residues, such as cow dung containing a large amount of crude fibers, so that the solid residues are not easy to ferment and decompose, and the leaching speed of fertilizer effect components is low; on the other hand, the excrement is blocky or lumpy and can be dispersed after being soaked in water for a long time, so that the production efficiency is influenced; on the other hand, the solid-liquid separation of the liquid fertilizer in the later period can be influenced, and the production efficiency of the liquid fertilizer is slowed down. Therefore, a liquid organic fertilizer fermentation process needs to be designed, so that the influence of raw material residues on production and fermentation is reduced, and the production efficiency of the liquid fertilizer is improved.
Disclosure of Invention
It is an object of the present invention to address at least the above-mentioned deficiencies and to provide at least the advantages which will be described hereinafter.
The invention also aims to provide a fermentation process of the animal excrement liquid organic fertilizer, which can reduce the influence of raw material dregs on production and fermentation and improve the production efficiency of the liquid fertilizer.
To achieve these objects and other advantages in accordance with the purpose of the invention, the present invention provides a process for fermenting an animal excrement liquid organic fertilizer, comprising:
step one, mixing the animal manure mixture with water according to a mass ratio of 1: 1-2 to obtain a simulated culture solution; the animal waste comprises pig waste, cow waste, chicken waste, sheep waste and sheep waste;
step two, mixing the fermentation strain and the nutrient, standing, proliferating and culturing for 3-7 days, adding the obtained simulated culture solution once a day during the proliferating and culturing period to stimulate the fermentation strain, wherein the adding amount of the simulated culture solution each time is equal to the mass of the fermentation strain at the beginning, and filtering residues to obtain a proliferating and culturing liquid after the proliferating and culturing is finished; the fermentation strain comprises Bifidobacterium, lactobacillus, Bacillus, yeast, actinomycetes, acetic acid bacteria, etc.
Step three, constructing a grinding device to grind the fermentation raw materials, and mixing the ground fermentation raw materials with the propagation fermentation liquid to obtain a to-be-fermented liquid; the grinding device includes: the fermentation device comprises a grinding cavity, a feeding port for introducing fermentation raw materials into the grinding cavity, a water inlet for introducing water into the grinding cavity, a grouting port for introducing proliferation fermentation liquid into the grinding cavity, and a discharge port for discharging liquid to be fermented;
step four, introducing the obtained liquid to be fermented into a fermentation bin for fermentation to obtain organic fertilizer slurry; the bottom of the fermentation bin is of a conical structure, a discharge groove is formed in the bottom of the conical structure and extends to the outside of the fermentation bin to form a discharge end, and a screw rod feeding mechanism is arranged in the discharge groove and used for pushing organic fertilizer slurry to the discharge end;
and fifthly, arranging a solid-liquid separation device at the discharge end to carry out solid-liquid separation on the organic fertilizer slurry to obtain the liquid organic fertilizer.
Among the above-mentioned technical scheme, through the amazing fermentation bacterial of simulation culture solution, impel fermentation bacterial adaptation simulation culture solution in pig manure, pig urine, cow dung, cow urine, chicken manure, sheep excrement and the stimulation of sheep urine, it can propagate the growth fast to mix when the fermentation raw materials for the speed of fermentation improves production fermentation efficiency.
The fermentation raw materials are ground by the grinding device, so that the particle size of crude fibers is reduced, the fermentation raw materials are quickly dispersed, the fermentation raw materials are favorably mixed with water and fermentation liquor, the fermentation decomposition efficiency of the fermentation raw materials is accelerated, and the residues left after fermentation are reduced; and introducing the enrichment fermentation liquor while grinding, so as to ensure that the enrichment fermentation liquor is uniformly mixed with the fermentation raw materials.
Set up row material groove in fermentation storehouse bottom, the fertilizer thick liquids are arranged under the effect of screw rod feed rod and are expected, improve thick liquids output speed, sieve through solid-liquid separation equipment at last and remove dregs and obtain liquid fertilizer.
Preferably, in the fermentation process of the liquid organic fertilizer of the animal excrement, in the animal manure in the step one, the ratio of pig manure, pig urine, cattle manure, cattle urine, chicken manure, sheep manure and sheep urine is 1: 1: 1: 1: 1: 1:1, in terms of mass ratio.
Preferably, in the fermentation process of the animal excrement liquid organic fertilizer, the nutrient in the second step provides a nitrogen source and a carbon source for the fermentation strain.
Preferably, in the process for fermenting the animal excrement liquid organic fertilizer, the fermentation raw material in the third step is animal excrement of a farm or plant straw of the farm or a mixture of the animal excrement and the plant straw.
Preferably, in the fermentation process of the liquid organic fertilizer containing animal excrement, the grinding device specifically comprises:
the two ends of the cylinder are closed, and the grinding cavity is formed inside the cylinder; the grouting opening is arranged at the upper part of the cylinder, and the discharge opening is arranged at the lower part of the cylinder;
the first grinding disc is concentrically arranged inside the first end of the cylinder, a circular concave part is arranged at the center of the inner surface of the first grinding disc, a feeding pipe is sleeved in the concave part, and the feeding pipe penetrates out of the first end of the cylinder and forms the feeding port; a plurality of round holes are distributed in the first grinding sheet, the round holes are connected with water pipes, and the water pipes penetrate through the first end of the cylinder to form the water inlet;
the second grinding disc is concentric and can be rotatably arranged inside the second end of the cylinder, a hemispherical convex part is arranged at the center of the inner face of the second grinding disc, the convex part is sleeved in the concave part, a space for passing materials is formed between the convex part and the concave part, a grinding interval is formed between the first grinding disc and the second grinding disc, a rotating shaft is arranged in the circular shape of the second grinding disc, and the rotating shaft penetrates out of the second end of the cylinder and is connected with the motor.
According to the technical scheme, the fermentation raw materials can be effectively ground into finer particles by grinding the fermentation raw materials through the grinding interval formed by the first grinding sheet and the second grinding sheet, so that fermentation is facilitated, and the production speed is improved; meanwhile, the design of the hemispherical convex part can ensure that the fermentation raw materials can be uniformly developed in a grinding interval around; the water that lets in from the water inlet can let the grinding more smooth and easy, can wash the material that adheres at the grinding face simultaneously, improves the efficiency of grinding.
Preferably, in the fermentation process of the animal excrement liquid organic fertilizer, a plurality of stirring blades are equidistantly arranged along the edge of the second grinding disc. When the second grinding disc is driven by the motor to rotate, the stirring blade stirs the pulp in the cylinder, so that the ground pulp and the proliferation fermentation liquor are uniformly mixed.
Preferably, in the fermentation process of the animal excrement liquid organic fertilizer, the grinding surfaces of the first grinding disc and the second grinding disc are both provided with wave-shaped shallow grooves, and the shallow grooves are arranged along the radius direction. Improve the effect of grinding, reduce the condition of putty and take place.
Preferably, in the fermentation process of the liquid organic fertilizer containing animal excrement, the circular holes are arranged at the middle point of the radius of the first grinding disc and are annularly arranged. A first grinding ring is formed inside the round hole, water in the round hole less enters the area, so that the grinding is more intense, the materials can be quickly crushed, a second grinding ring is formed outside the round hole, and the water in the round hole is mixed with the materials and is ground again to form thinner slurry; the method of firstly dry grinding and then wet grinding can improve the grinding effect and improve the grinding efficiency.
Preferably, in the fermentation process of the liquid organic fertilizer containing animal excrement, a main stirring mechanism is arranged at the center of the fermentation bin, and a plurality of auxiliary stirring mechanisms are arranged on the side wall of the fermentation bin. The stirring efficiency is improved.
Preferably, in the fermentation process of the animal excrement liquid organic fertilizer, the solid-liquid separation device comprises:
the large-caliber end of the conical cylinder is fixedly sleeved with the discharge end, and the small-caliber end of the conical cylinder extends upwards in an inclined mode until the large-caliber end is higher than the discharge end; the side wall of the conical cylinder is provided with filter holes, under the thrust action of the screw feeding mechanism, liquid organic fertilizer leaks from the filter holes, and dregs are discharged from the small-caliber end of the conical cylinder;
accept the bucket, have the space that holds liquid fertilizer in it, a toper section of thick bamboo penetrates from accepting the bucket lateral wall, and the little one end of bore wears out contralateral wall.
The invention at least comprises the following beneficial effects:
firstly, the invention stimulates the fermentation strain through the simulation culture solution, prompts the fermentation strain to adapt to the stimulation of pig manure, pig urine, cow manure, cow urine, chicken manure, sheep manure and sheep urine in the simulation culture solution, can quickly propagate and grow when the fermentation raw materials are mixed, accelerates the fermentation speed and improves the production and fermentation efficiency.
Secondly, grinding the fermentation raw materials by arranging a grinding device, reducing the particle size of the fermentation raw materials, accelerating the fermentation decomposition efficiency of the fermentation raw materials and reducing the residual dregs after fermentation; and introducing the enrichment fermentation liquor while grinding, so as to ensure that the enrichment fermentation liquor is uniformly mixed with the fermentation raw materials.
Thirdly, set up row material groove bottom the fermentation storehouse, the fertilizer thick liquids are arranged under the effect of screw rod porter bar and are expected, improve thick liquids output speed, sieve through solid-liquid separation equipment at last and remove dregs and obtain liquid fertilizer for fertilizer production convenient and fast more.
In addition, the fermentation raw materials can be effectively ground into finer particles by grinding the fermentation raw materials through the grinding interval formed by the first grinding sheet and the second grinding sheet, so that fermentation is facilitated, and the production speed is increased; meanwhile, the design of the hemispherical convex part can ensure that the fermentation raw materials can be uniformly developed in a grinding interval around; the water that lets in from the water inlet can let the grinding more smooth and easy, can wash the material that adheres at the grinding face simultaneously, improves the efficiency of grinding.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of a connecting structure of a grinding apparatus, a fermentation tank and a solid-liquid separating apparatus according to the present invention;
FIG. 2 is a schematic view of the polishing apparatus according to the present invention;
FIG. 3 is a schematic view of the configuration of the abrasive surfaces of the first and second refiner plates according to the invention;
FIG. 4 is a schematic side view of the fermentation chamber according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
Example 1
As shown in fig. 1 and 4, a fermentation process of liquid organic fertilizer of animal excrement comprises the following steps:
step one, mixing the animal manure mixture with water according to a mass ratio of 1:1 to obtain a simulated culture solution; the animal waste comprises pig waste, cow waste, chicken waste, sheep waste and sheep waste;
step two, mixing the fermentation strain and the nutrient, standing, proliferating and culturing for 3 days, adding the obtained simulated culture solution once a day during the proliferating and culturing period to stimulate the fermentation strain, wherein the adding amount of the simulated culture solution each time is equal to the mass of the fermentation strain at the beginning, and filtering residues to obtain a proliferating and culturing liquid after the proliferating and culturing is finished; the fermentation strain comprises Bifidobacterium, lactobacillus, Bacillus, yeast, actinomycetes, acetic acid bacteria, etc.
Step three, constructing a grinding device 1 to grind the fermentation raw materials, and mixing the ground raw materials with the proliferation fermentation liquor to obtain a to-be-fermented liquor; wherein the grinding device 1 comprises: the fermentation device comprises a grinding cavity, a feeding port for introducing fermentation raw materials into the grinding cavity, a water inlet for introducing water into the grinding cavity, a grouting port for introducing proliferation fermentation liquid into the grinding cavity, and a discharge port for discharging liquid to be fermented; when the device is used, the fermentation raw materials and water are introduced into the grinding cavity together to be ground into slurry, simultaneously, the proliferation fermentation liquor is introduced and uniformly mixed to obtain the liquid to be fermented, and the liquid to be fermented is discharged from the discharge hole.
Step four, introducing the obtained liquid to be fermented into a fermentation bin 2 for fermentation to obtain organic fertilizer slurry; the bottom in fermentation storehouse 2 is toper structure 201, and the bottom of toper structure 201 is provided with row material tank 202, row material tank 202 stretches to the outside formation discharge end in fermentation storehouse 2, it is used for the fertilizer thick liquids propelling movement to the discharge end to be provided with screw rod feeding mechanism 203 in row material tank 202. And obtaining organic fertilizer slurry after fermentation of the fermentation liquid in the fermentation bin is completed, and pushing the organic fertilizer slurry to the discharge end under the pushing of the screw feeding mechanism 203.
And fifthly, arranging a solid-liquid separation device at the discharge end to carry out solid-liquid separation on the organic fertilizer slurry to obtain the liquid organic fertilizer and the dregs.
Example 2
As shown in fig. 1 and 4, a fermentation process of liquid organic fertilizer of animal excrement comprises the following steps:
step one, mixing the animal manure mixture with water according to a mass ratio of 1:2 to obtain a simulated culture solution; the animal waste comprises pig waste, cow waste, chicken waste, sheep waste and sheep waste;
step two, mixing the fermentation strain and the nutrient, standing, proliferating and culturing for 7 days, adding the obtained simulated culture solution once a day during the proliferating and culturing period to stimulate the fermentation strain, wherein the adding amount of the simulated culture solution each time is equal to the mass of the fermentation strain at the beginning, and filtering residues to obtain a proliferating and culturing liquid after the proliferating and culturing is finished; the fermentation strain comprises Bifidobacterium, lactobacillus, Bacillus, yeast, actinomycetes, acetic acid bacteria, etc.
Step three, constructing a grinding device 1 to grind the fermentation raw materials, and mixing the ground raw materials with the proliferation fermentation liquor to obtain a to-be-fermented liquor; wherein the grinding device 1 comprises: the fermentation device comprises a grinding cavity, a feeding port for introducing fermentation raw materials into the grinding cavity, a water inlet for introducing water into the grinding cavity, a grouting port for introducing proliferation fermentation liquid into the grinding cavity, and a discharge port for discharging liquid to be fermented; when the device is used, the fermentation raw materials and water are introduced into the grinding cavity together to be ground into slurry, simultaneously, the proliferation fermentation liquor is introduced and uniformly mixed to obtain the liquid to be fermented, and the liquid to be fermented is discharged from the discharge hole.
Step four, introducing the obtained liquid to be fermented into a fermentation bin 2 for fermentation to obtain organic fertilizer slurry; the bottom in fermentation storehouse 2 is toper structure 201, and the bottom of toper structure 201 is provided with row material tank 202, row material tank 202 stretches to the outside formation discharge end in fermentation storehouse 2, it is used for the fertilizer thick liquids propelling movement to the discharge end to be provided with screw rod feeding mechanism 203 in row material tank 202. And obtaining organic fertilizer slurry after fermentation of the fermentation liquid in the fermentation bin is completed, and pushing the organic fertilizer slurry to the discharge end under the pushing of the screw feeding mechanism 203.
And fifthly, arranging a solid-liquid separation device at the discharge end to carry out solid-liquid separation on the organic fertilizer slurry to obtain the liquid organic fertilizer and the dregs.
In the animal manure in the step one, the pig manure, pig urine, cow manure, cow urine, chicken manure, sheep manure and sheep urine are mixed according to the ratio of 1: 1: 1: 1: 1: 1:1, in terms of mass ratio.
And the nutrient in the second step provides a nitrogen source and a carbon source for the fermentation strain, and for example, the nutrient comprises corn flour, bean cakes, starch and the like.
The fermentation raw material in the third step is animal excrement of a farm.
The center of the fermentation bin 2 is provided with a main stirring mechanism, and the side wall of the fermentation bin is provided with a plurality of auxiliary stirring mechanisms.
Example 3
As shown in fig. 2 and 3, the grinding apparatus specifically includes:
a horizontally disposed cylinder 101 having both ends closed and the inside forming the grinding chamber; the grouting opening 102 is arranged at the upper part of the cylinder 101, and the discharge opening 103 is arranged at the lower part of the cylinder;
the first grinding plate 104 is fixed inside the first end of the cylinder 101 concentrically, a circular concave part 106 is arranged at the center of the inner surface of the first grinding plate 104, a feeding pipe 105 is sleeved on the concave part 106, and the feeding pipe 105 penetrates out of the first end of the cylinder 101 to form the feeding port; a plurality of circular holes 113 are distributed in the first grinding plate 104 and are connected with water pipes, and the water pipes 109 penetrate through the first end of the cylinder 101 to form the water inlet;
the second circular grinding sheet 108 is concentrically and rotatably arranged inside the second end of the cylinder 101, a hemispherical convex part 114 is arranged at the center of the inner surface of the second grinding sheet 108, the convex part 114 is sleeved in the concave part 106, a space for passing materials is formed between the convex part 114 and the concave part 106, a grinding interval 107 is formed between the first grinding sheet and the second grinding sheet, a rotating shaft 110 is arranged at the center of the second grinding sheet 108, and the rotating shaft 110 penetrates through the second end of the cylinder and is connected with a motor 111. The motor 111 drives the second blade to rotate, thereby grinding the material in the grinding section 107.
When the fermentation material grinding device is used, fermentation raw materials are firstly mixed with a proper amount of water and then are introduced into a grinding interval from a feeding pipe, the fermentation raw materials can be effectively ground into finer particles by grinding the fermentation raw materials through the grinding interval formed by the first grinding sheet and the second grinding sheet, fermentation is facilitated, and the production speed is improved; meanwhile, the design of the hemispherical convex part can ensure that the fermentation raw materials can be uniformly developed in a grinding interval around; the water introduced from the water inlet can lead the grinding to be smoother, and can clean the materials adhered to the grinding surface.
Further, a plurality of agitating blades 112 are provided at equal intervals along the edge of the second grinding plate 108. When the second grinding plate is driven by the motor to rotate, the stirring blade 112 stirs the pulp in the cylinder 101, so that the ground pulp and the propagation fermentation liquid are uniformly mixed.
Further, the grinding surfaces of the first and second grinding pieces 104 and 108 are each provided with a shallow groove in a wavy line shape, which is provided in a radial direction. Improve the effect of grinding, reduce the condition of putty and take place.
Further, as shown in the left side of fig. 3, the circular holes 113 are provided at the midpoints of the radii of the first abrasive sheet 104 and are arranged in a ring shape. A first grinding ring is formed in the round hole 113, less water is introduced into the round hole 113 and enters the area, the fluid fermentation raw material which is just introduced is ground in the area, and the material is thick, so that the grinding is more violent, and the material can be quickly crushed; form the second grinding ring outside the round hole, wherein the water that the round hole let in mixes with the material, and the material becomes more rare, forms the thick liquids that flow more easily under the grinding effect.
Example 4
As shown in fig. 1, the solid-liquid separation apparatus includes:
the large-caliber end of the conical barrel 3 is fixedly sleeved with the discharge end, and the small-caliber end extends upwards in an inclined mode until the diameter is higher than the discharge end; the side wall of the conical barrel 3 is provided with filter holes, under the thrust action of the screw feeding mechanism, liquid organic fertilizer leaks from the filter holes, and dregs are discharged from the small-caliber end of the conical barrel;
accept bucket 4, have the space that holds liquid fertilizer in it, a toper section of thick bamboo 3 penetrates from accepting the bucket lateral wall, and the little one end of bore wears out contralateral wall.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art.
Claims (10)
1. A fermentation process of animal excrement liquid organic fertilizer comprises the following steps:
step one, mixing a mixture of animal wastes with water according to a mass ratio of 1: 1-2 to obtain a simulated culture solution; the animal waste comprises pig waste, cow waste, chicken waste, sheep waste and sheep waste;
step two, mixing the fermentation strain and the nutrient, standing, proliferating and culturing for 3-7 days, adding the obtained simulated culture solution once a day during the proliferating and culturing period to stimulate the fermentation strain, wherein the adding amount of the simulated culture solution each time is equal to the mass of the fermentation strain at the beginning, and filtering residues to obtain a proliferating and culturing liquid after the proliferating and culturing is finished;
step three, constructing a grinding device to grind the fermentation raw materials, and mixing the ground fermentation raw materials with the propagation fermentation liquid to obtain a to-be-fermented liquid; the grinding device includes: the fermentation device comprises a grinding cavity, a feeding port for introducing fermentation raw materials into the grinding cavity, a water inlet for introducing water into the grinding cavity, a grouting port for introducing proliferation fermentation liquid into the grinding cavity, and a discharge port for discharging liquid to be fermented;
step four, introducing the obtained liquid to be fermented into a fermentation bin for fermentation to obtain organic fertilizer slurry; the bottom of the fermentation bin is of a conical structure, a discharge groove is formed in the bottom of the conical structure and extends to the outside of the fermentation bin to form a discharge end, and a screw rod feeding mechanism is arranged in the discharge groove and used for pushing organic fertilizer slurry to the discharge end;
and fifthly, arranging a solid-liquid separation device at the discharge end to carry out solid-liquid separation on the organic fertilizer slurry to obtain the liquid organic fertilizer.
2. The process for fermenting an animal excrement liquid organic fertilizer as claimed in claim 1, wherein in the animal excrement in the first step, the ratio of pig manure, pig urine, cow manure, cow urine, chicken manure, sheep manure and sheep urine is 1: 1: 1: 1: 1: 1:1, in terms of mass ratio.
3. The process for fermenting an animal excrement liquid organic fertilizer as claimed in claim 1, wherein the nutrient in the second step provides a nitrogen source and a carbon source for the fermentation strain.
4. The process for fermenting the animal excrement liquid organic fertilizer as claimed in claim 1, wherein the fermentation raw material in the third step is animal excrement of a farm or plant straw of the farm or a mixture of the animal excrement and the plant straw.
5. The fermentation process of the animal excrement liquid organic fertilizer as claimed in claim 1, wherein said grinding device specifically comprises:
the two ends of the cylinder are closed, and the grinding cavity is formed inside the cylinder; the grouting opening is arranged at the upper part of the cylinder, and the discharge opening is arranged at the lower part of the cylinder;
the first grinding disc is concentrically arranged inside the first end of the cylinder, a circular concave part is arranged at the center of the inner surface of the first grinding disc, a feeding pipe is sleeved in the concave part, and the feeding pipe penetrates out of the first end of the cylinder and forms the feeding port; a plurality of round holes are distributed in the first grinding sheet, the round holes are connected with water pipes, and the water pipes penetrate through the first end of the cylinder to form the water inlet;
the second grinding disc is concentric and can be rotatably arranged inside the second end of the cylinder, a hemispherical convex part is arranged at the center of the inner face of the second grinding disc, the convex part is sleeved in the concave part, a space for passing materials is formed between the convex part and the concave part, a grinding interval is formed between the first grinding disc and the second grinding disc, a rotating shaft is arranged in the circular shape of the second grinding disc, and the rotating shaft penetrates out of the second end of the cylinder and is connected with the motor.
6. The fermentation process of the animal excrement liquid organic fertilizer as claimed in claim 5, wherein a plurality of stirring blades are equidistantly arranged along the edge of the second grinding sheet.
7. The process for fermenting the animal excrement liquid organic fertilizer as claimed in claim 6, wherein the grinding surfaces of the first grinding plate and the second grinding plate are each provided with wave-shaped shallow grooves, and the shallow grooves are arranged along the radial direction.
8. The process for fermenting the animal excrement liquid organic fertilizer as claimed in claim 7, wherein the circular holes are arranged at the middle point of the radius of the first grinding disc and are annularly arranged.
9. The fermentation process of the animal excrement liquid organic fertilizer as claimed in claim 1, wherein a main stirring mechanism is arranged in the center of the fermentation bin, and a plurality of auxiliary stirring mechanisms are arranged on the side wall of the fermentation bin.
10. The process for fermenting the animal excrement liquid organic fertilizer as claimed in claim 1, wherein the solid-liquid separation device comprises:
the large-caliber end of the conical cylinder is fixedly sleeved with the discharge end, and the small-caliber end of the conical cylinder extends upwards in an inclined mode until the large-caliber end is higher than the discharge end; the side wall of the conical cylinder is provided with filter holes, under the thrust action of the screw feeding mechanism, liquid organic fertilizer leaks from the filter holes, and dregs are discharged from the small-caliber end of the conical cylinder;
accept the bucket, have the space that holds liquid fertilizer in it, a toper section of thick bamboo penetrates from accepting the bucket lateral wall, and the little one end of bore wears out contralateral wall.
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| CN113149723A (en) * | 2021-05-31 | 2021-07-23 | 张涛 | Liquid organic fertilizer and preparation process thereof |
| CN114573377A (en) * | 2022-02-28 | 2022-06-03 | 山东碧蓝生物科技有限公司 | Method for recycling livestock and poultry manure and biological liquid fertilizer prepared by method |
| WO2022124110A1 (en) * | 2020-12-08 | 2022-06-16 | 一般社団法人夢源 | Method for producing liquid fertilizer |
| CN115011491A (en) * | 2022-07-06 | 2022-09-06 | 厦门大昌生物技术服务有限公司 | Culture process of candida utilis |
| WO2022194964A1 (en) | 2021-03-16 | 2022-09-22 | Toopi Organics | Method for treating human or animal urine by dilution and fermentation and uses of the urine obtained in particular as fertilizing substance |
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