CN111470887A - Method for producing organic fertilizer by rapid reaction of agricultural and forestry waste and plant straw - Google Patents
Method for producing organic fertilizer by rapid reaction of agricultural and forestry waste and plant straw Download PDFInfo
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- CN111470887A CN111470887A CN201910056504.8A CN201910056504A CN111470887A CN 111470887 A CN111470887 A CN 111470887A CN 201910056504 A CN201910056504 A CN 201910056504A CN 111470887 A CN111470887 A CN 111470887A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
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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
- C05F11/00—Other organic fertilisers
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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
- C05F5/00—Fertilisers from distillery wastes, molasses, vinasses, sugar plant or similar wastes or residues, e.g. from waste originating from industrial processing of raw material of agricultural origin or derived products thereof
- C05F5/002—Solid waste from mechanical processing of material, e.g. seed coats, olive pits, almond shells, fruit residue, rice hulls
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
Abstract
The invention provides a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws, which relates to the technical field of fertilizers and comprises the following steps: crushing rice straws, adding the crushed rice straws into water, adding a catalyst a and an activating agent, carrying out catalytic reaction for 3-5 hours to obtain a solid-liquid mixture A, and separating to obtain a solid fertilizer A and a liquid fertilizer A for later use; adding cotton residual velvet into water, adding a catalyst B and an activator, carrying out catalytic reaction for 2-3h to obtain a solid-liquid mixture B, and separating to obtain a solid fertilizer B and a liquid fertilizer B for later use; the method comprises the steps of adding sunflower seed shells, reeds, grape branches, weeds and wood shavings into water according to a certain proportion, adding a catalyst C and an activating agent, carrying out catalytic reaction for 8-10 hours to obtain a solid-liquid mixture C, separating to obtain a solid fertilizer C and a liquid fertilizer C for later use, and mixing according to a certain proportion to obtain the organic fertilizer.
Description
Technical Field
The invention relates to the technical field of fertilizers, in particular to a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws.
Background
According to survey statistics, the theoretical resource amount of the national straws is 8.4 hundred million tons in 2010, the collectable resource amount is about 7 hundred million tons, and the straw varieties mainly comprise rice, wheat, corn and the like. Among them, about 2.11 million tons of rice straw, about 1.54 million tons of wheat straw, about 2.73 million tons of corn straw, about 2600 ten thousand tons of cotton stalk, about 3700 million tons of oil crop stalks (mainly rape and peanut), about 2800 million tons of bean stalks, and about 2300 million tons of potato stalks.
The straw contains rich organic matters, nitrogen, phosphorus, potassium and trace elements, is a multipurpose and renewable biological resource, and is also an important organic fertilizer source for agricultural production. The 7 hundred million tons of straws contain 350 million tons of nitrogen, 80 million tons of phosphorus and 800 million tons of potassium, which is about one fifth of the total amount of chemical fertilizers applied in the whole country in 2010, in addition, the straws contain rich nutrient substances, and the nutrient value of 4 tons of straws is about 1 ton of grains, so that the method can provide a substance guarantee for the sustained development of the animal husbandry. The comprehensive utilization of the straw is an effective way for promoting the income increase of farmers.
The agricultural and forestry wastes such as straws, branches, fruits, vegetables, melon and seedlings are incinerated, the heat value is low, a large amount of organic matters and mineral substances are wasted, the agricultural and forestry wastes are derived from soil, and the most suitable treatment method is to take the agricultural and forestry wastes from the soil or use the agricultural and forestry wastes from the soil.
At present, straw is directly returned to the field by crushing, or manure, chemical fertilizer and biological fermentation are added to return to the field, and the problems of long decay time, slow fertilizer efficiency, low benefit and the like exist.
At present, a small amount of lignin cracking liquid and porous carbon are obtained by adopting high-temperature carbonization returning such as CN105367343A and CN105418316A through cracking reaction at about 500 ℃ at high temperature, so that a lot of organic matters are wasted for cracking and volatilization, and mineral substances in plants are fixed in carbon residue and are not easily absorbed by the plants for the second time, a hydrolysis method is adopted in a patent CN105967942A, most of the mineral substances and a small amount of low-molecular organic matters are reserved, but the reaction condition is severe, and the pressure of 200 plus 300 kilograms is difficult to achieve in actual production.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws comprises the following steps:
(1) crushing rice straws, adding the crushed rice straws into water, adding a catalyst a and an activating agent, carrying out catalytic reaction for 3-5h at the temperature of 130-;
(2) adding cotton residual velvet into water, adding a catalyst B and an activator, carrying out catalytic reaction for 2-3h at the temperature of 130-;
(3) adding sunflower seed shells, reeds, grape branches, weeds and wood shavings into water according to a certain proportion, adding a catalyst C and an activating agent, carrying out catalytic reaction for 8-10h at the temperature of 180 ℃ and under the pressure of 1.2-1.5MPa to obtain a solid-liquid mixture C, and carrying out suction filtration and press drying on the solid-liquid mixture C to obtain a solid fertilizer C and a liquid fertilizer C for later use;
(4) mixing a solid fertilizer A, a solid fertilizer B, a solid fertilizer C, alkaline earth, a liquid fertilizer A, a liquid fertilizer B and a liquid fertilizer C according to a weight ratio of 0-2: 0-2: 0-2: 0-2: 0-2: 0-2: 0-2 of the organic fertilizer.
Further, the weight ratio of the rice straws to the water in the step (1) is 1: 1-5.
Further, the weight ratio of the cotton residual velvet to the water in the step (2) is 1: 3-5.
Further, in the step (3), the weight ratio of the sunflower seed shells to the reed to the grape branches to the weeds to the wood shavings is 10-20: 5-10: 1-5: 1-5: 1.
further, the weight ratio of the total mass of the sunflower seed shells, the reed, the grape branches, the weeds and the wood shavings mixture to the water in the step (3) is 5: 8.
Further, the catalyst a is a mixture of dilute sulfuric acid and ferrous sulfate.
Further, the catalyst b is a mixture of dilute sulfuric acid, magnesium sulfate and zinc sulfate.
Further, the catalyst c is a mixture of dilute sulfuric acid, ferrous sulfate and zinc sulfate.
(III) advantageous effects
The invention provides a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws, which has the following beneficial effects:
the rice straw mainly contains carbohydrates such as cellulose, hemicellulose and the like, the main component of cotton residue is cellulose, the content of fibers in sunflower seed shells, reed, grape branches, weeds and wood shavings is high, the cotton residue can not be directly absorbed and utilized by crops, various catalysts are used for classified hydrolysis treatment, the cotton residue is oxidized and dehydrated under high temperature and high pressure to be changed into organic carbon, and organic matters, nitrogen, phosphorus and potassium and trace elements in the organic carbon are fully released, a new way is provided for converting agricultural and forestry waste and plant straws into organic fertilizers, waste is changed into valuable, the use of an activating agent in the catalysis process improves the hydrolysis efficiency, the hydrolysis condition is reduced, alkaline earth is added to neutralize the acidity of carbides on one hand, on the other hand, the content of nitrogen, phosphorus and potassium in the organic fertilizers is improved, the fertilizers are improved and repaired, the stress resistance of crops is enhanced, the yield increasing effect is obvious, and the, changes waste into valuable, provides a new way for the treatment of agricultural and forestry waste and plant straws, has simple manufacture and is suitable for large-scale popularization and application.
Detailed Description
Example 1:
a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws comprises the following steps:
crushing rice straws, adding the crushed rice straws into water, wherein the weight ratio of the rice straws to the water is 1:3, adding dilute sulfuric acid, a ferrous sulfate mixture and methanol, carrying out catalytic reaction for 5 hours at the temperature of 130 ℃ and under the pressure of 0.8MPa to obtain a solid-liquid mixture A, carrying out suction filtration and press drying on the solid-liquid mixture A to obtain a solid fertilizer A and a liquid fertilizer A for later use, adding cotton residue wool into the water, wherein the weight ratio of the cotton residue wool to the water is 1:3, adding dilute sulfuric acid, magnesium sulfate, zinc sulfate mixture and methanol, carrying out catalytic reaction for 2 hours at the temperature of 135 ℃ and under the pressure of 1MPa to obtain a solid-liquid mixture B, carrying out suction filtration and press drying on the solid-liquid mixture B to obtain a solid fertilizer B and a liquid fertilizer B for later use, and mixing sunflower seed hulls, reeds, grape: 8: 4: 2: 1, adding the mixture of sunflower seed hull, reed, grape branch, weed and wood shavings in a weight ratio of 5:8 to water, adding dilute sulfuric acid, ferrous sulfate, zinc sulfate mixture and methanol, carrying out catalytic reaction for 9 hours at 200 ℃ and under the pressure of 1.4MPa to obtain a solid-liquid mixture C, carrying out suction filtration and press drying on the solid-liquid mixture C to obtain a solid fertilizer C and a liquid fertilizer C for later use, and mixing the solid fertilizer A, the solid fertilizer B, the solid fertilizer C, the alkaline earth, the liquid fertilizer A, the liquid fertilizer B and the liquid fertilizer C in a weight ratio of 2: 1: 1: 1: 1: 1:1 to be used as organic fertilizer.
Example 2:
a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws comprises the following steps:
crushing rice straws, adding the crushed rice straws into water, wherein the weight ratio of the rice straws to the water is 1:1, adding dilute sulfuric acid, a ferrous sulfate mixture and triethanolamine, carrying out catalytic reaction for 4 hours at 140 ℃ under the pressure of 1.2MPa to obtain a solid-liquid mixture A, carrying out suction filtration and drying on the solid-liquid mixture A to obtain a solid fertilizer A and a liquid fertilizer A for later use, adding cotton residual wool into the water, wherein the weight ratio of the cotton residual wool to the water is 1:4, adding dilute sulfuric acid, magnesium sulfate, a zinc sulfate mixture and triethanolamine, carrying out catalytic reaction for 3 hours at 135 ℃ under the pressure of 1MPa to obtain a solid-liquid mixture B, carrying out suction filtration and drying on the solid-liquid mixture B to obtain a solid fertilizer B and a liquid fertilizer B for later use, and carrying out suction filtration and drying on sunflower seed hulls, reeds, grape branches, weeds and wood: 6: 4: 5: 1, adding the sunflower seed hull, the reed, the grape branch, the weed and the wood shavings into water, wherein the weight ratio of the total mass of the sunflower seed hull, the reed, the grape branch, the weed and the wood shavings mixture to the water is 5:8, adding dilute sulfuric acid, ferrous sulfate, zinc sulfate mixture and triethanolamine, carrying out catalytic reaction for 8 hours at 200 ℃ and under the pressure of 1.3MPa to obtain a solid-liquid mixture C, carrying out suction filtration and press drying on the solid-liquid mixture C to obtain a solid fertilizer C and a liquid fertilizer C for later use, and mixing the solid fertilizer A, the solid fertilizer B, the solid fertilizer C, the alkaline earth, the liquid fertilizer A, the liquid fertilizer B and the liquid fertilizer C according: 2: 2: 2: 1: 1:1 to be used as organic fertilizer.
Example 3:
a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws comprises the following steps:
crushing rice straws, adding the crushed rice straws into water, wherein the weight ratio of the rice straws to the water is 1:5, adding dilute sulfuric acid, a ferrous sulfate mixture and ethanol, carrying out catalytic reaction for 5 hours at 140 ℃ and under the pressure of 1.2MPa to obtain a solid-liquid mixture A, carrying out suction filtration and press drying on the solid-liquid mixture A to obtain a solid fertilizer A and a liquid fertilizer A for later use, adding cotton residue wool into the water, wherein the weight ratio of the cotton residue wool to the water is 1:5, adding dilute sulfuric acid, magnesium sulfate, zinc sulfate mixture and ethanol, carrying out catalytic reaction for 3 hours at 135 ℃ and under the pressure of 1MPa to obtain a solid-liquid mixture B, carrying out suction filtration and press drying on the solid-liquid mixture B to obtain a solid fertilizer B and a liquid fertilizer B for later use, and mixing sunflower seed hulls, reeds, grape branches, weeds and wood sha: 10: 5: 5: 1, adding the mixture of sunflower seed hull, reed, grape branch, weed and wood shavings and water in a weight ratio of 5:8, adding dilute sulfuric acid, ferrous sulfate, zinc sulfate mixture and ethanol, carrying out catalytic reaction for 9 hours at 200 ℃ and under the pressure of 1.4MPa to obtain a solid-liquid mixture C, carrying out suction filtration and press drying on the solid-liquid mixture C to obtain a solid fertilizer C and a liquid fertilizer C for later use, and mixing the solid fertilizer A, the solid fertilizer B, the solid fertilizer C, alkaline earth, the liquid fertilizer A, the liquid fertilizer B and the liquid fertilizer C in a weight ratio of 1: 1: 1: 1: 1: 1: 2 mixing the materials to be used as organic fertilizer.
Example 4:
a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws comprises the following steps:
crushing rice straws, adding the crushed rice straws into water, wherein the weight ratio of the rice straws to the water is 1:4, adding dilute sulfuric acid, a ferrous sulfate mixture and isopropanol, carrying out catalytic reaction for 5 hours at the temperature of 130 ℃ and under the pressure of 0.8MPa to obtain a solid-liquid mixture A, carrying out suction filtration and press drying on the solid-liquid mixture A to obtain a solid fertilizer A and a liquid fertilizer A for later use, adding cotton residue wool into the water, wherein the weight ratio of the cotton residue wool to the water is 1:4, adding dilute sulfuric acid, magnesium sulfate, a zinc sulfate mixture and isopropanol, carrying out catalytic reaction for 2 hours at the temperature of 1MPa to obtain a solid-liquid mixture B, carrying out suction filtration and press drying on the solid-liquid mixture B to obtain a solid fertilizer B and a liquid fertilizer B for later use, and carrying out suction filtration and press drying on sunflower seed hulls, reeds, grape branches: 5: 1: 1:1, adding the mixture of sunflower seed hull, reed, grape branch, weed and wood shavings in a weight ratio of 5:8 to water, adding dilute sulfuric acid, ferrous sulfate, zinc sulfate mixture and isopropanol, carrying out catalytic reaction for 10 hours at 180 ℃ and under the pressure of 1.4MPa to obtain a solid-liquid mixture C, carrying out suction filtration and press drying on the solid-liquid mixture C to obtain a solid fertilizer C and a liquid fertilizer C for later use, and mixing the solid fertilizer A, the solid fertilizer B, the solid fertilizer C, the alkaline earth, the liquid fertilizer A, the liquid fertilizer B and the liquid fertilizer C in a weight ratio of 2: 1: 1: 1: 2: 1:1 to be used as organic fertilizer.
Example 5:
a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws comprises the following steps:
crushing rice straws, adding the crushed rice straws into water, wherein the weight ratio of the rice straws to the water is 1:3, adding dilute sulfuric acid, a ferrous sulfate mixture and methanol, carrying out catalytic reaction for 3 hours at the temperature of 130 ℃ and under the pressure of 1.2MPa to obtain a solid-liquid mixture A, carrying out suction filtration and press drying on the solid-liquid mixture A to obtain a solid fertilizer A and a liquid fertilizer A for later use, adding cotton residue wool into the water, wherein the weight ratio of the cotton residue wool to the water is 1:5, adding dilute sulfuric acid, magnesium sulfate, a zinc sulfate mixture and methanol, carrying out catalytic reaction for 3 hours at the temperature of 1MPa to obtain a solid-liquid mixture B, carrying out suction filtration and press drying on the solid-liquid mixture B to obtain a solid fertilizer B and a liquid fertilizer B for later use, and mixing sunflower seed hulls, reeds, grape branches, weeds and wood sha: 10: 5: 5: 1, adding the mixture of sunflower seed hull, reed, grape branch, weed and wood shavings in a weight ratio of 5:8 to water, adding dilute sulfuric acid, ferrous sulfate, zinc sulfate mixture and methanol, carrying out catalytic reaction for 8 hours at 180 ℃ and under the pressure of 1.5MPa to obtain a solid-liquid mixture C, carrying out suction filtration and press drying on the solid-liquid mixture C to obtain a solid fertilizer C and a liquid fertilizer C for later use, and mixing the solid fertilizer A, the solid fertilizer B, the solid fertilizer C, the alkaline earth, the liquid fertilizer A, the liquid fertilizer B and the liquid fertilizer C in a weight ratio of 2: 2: 2: 1: 1: 1:1 to be used as organic fertilizer.
Example 6:
a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws comprises the following steps:
crushing rice straws, adding the crushed rice straws into water, adding a mixture of dilute sulfuric acid and ferrous sulfate and formamide into the water according to the weight ratio of 1:3, carrying out catalytic reaction for 5 hours at 140 ℃ under the pressure of 0.8MPa to obtain a solid-liquid mixture A, carrying out suction filtration and pressure drying on the solid-liquid mixture A to obtain a solid fertilizer A and a liquid fertilizer A, and independently using the solid fertilizer A as an organic fertilizer.
Example 7:
a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws comprises the following steps:
crushing rice straws, adding the crushed rice straws into water, adding a mixture of dilute sulfuric acid and ferrous sulfate and formamide into the water according to the weight ratio of 1:3, carrying out catalytic reaction for 5 hours at 140 ℃ under the pressure of 0.8MPa to obtain a solid-liquid mixture A, carrying out suction filtration and pressure drying on the solid-liquid mixture A to obtain a solid fertilizer A and a liquid fertilizer A, and independently spraying, drip irrigation or flushing the liquid fertilizer A as an organic fertilizer.
Example 8:
a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws comprises the following steps:
adding cotton residual velvet into water, wherein the weight ratio of the cotton residual velvet to the water is 1:5, adding dilute sulfuric acid, magnesium sulfate, zinc sulfate mixture and formamide, carrying out catalytic reaction for 2 hours at 130 ℃ under the pressure of 1MPa to obtain a solid-liquid mixture B, carrying out suction filtration and pressure drying on the solid-liquid mixture B to obtain a solid fertilizer B and a liquid fertilizer B, and using the solid fertilizer B as an organic fertilizer independently.
Example 9:
a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws comprises the following steps:
adding cotton residual velvet into water, wherein the weight ratio of the cotton residual velvet to the water is 1:5, adding dilute sulfuric acid, magnesium sulfate, zinc sulfate mixture and formamide, carrying out catalytic reaction for 2 hours at 130 ℃ under the pressure of 1MPa to obtain a solid-liquid mixture B, carrying out suction filtration and pressure drying on the solid-liquid mixture B to obtain a solid fertilizer B and a liquid fertilizer B, and independently spraying, carrying out drip irrigation or flushing application on the liquid fertilizer B as an organic fertilizer.
Example 10:
a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws comprises the following steps:
mixing sunflower seed shells, reeds, grape branches, weeds and wood shavings according to the weight ratio of 20: 10: 5: 5: 1, adding the sunflower seed hull, the reed, the grape branch, the weed and the wood shavings into water, wherein the weight ratio of the total mass of the mixture of the sunflower seed hull, the reed, the grape branch, the weed and the wood shavings to the water is 5:8, adding dilute sulfuric acid, ferrous sulfate, zinc sulfate mixture and triethylamine, carrying out catalytic reaction for 10 hours at 200 ℃ and under the pressure of 1.5MPa to obtain a solid-liquid mixture C, carrying out suction filtration and press drying on the solid-liquid mixture C to obtain a solid fertilizer C and a liquid fertilizer C, and independently using the solid fertilizer C as an organic fertilizer.
Example 11:
a method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws comprises the following steps:
mixing sunflower seed shells, reeds, grape branches, weeds and wood shavings according to the weight ratio of 20: 10: 5: 5: 1, adding the sunflower seed hull, the reed, the grape branch, the weed and the wood shavings into water, wherein the weight ratio of the total mass of the mixture of the sunflower seed hull, the reed, the grape branch, the weed and the wood shavings to the water is 5:8, adding dilute sulfuric acid, ferrous sulfate, zinc sulfate mixture and triethylamine, carrying out catalytic reaction for 10 hours at 200 ℃ and under the pressure of 1.5MPa to obtain a solid-liquid mixture C, carrying out suction filtration and press drying on the solid-liquid mixture C to obtain a solid fertilizer C and a liquid fertilizer C, and independently spraying, drip irrigation or flushing the liquid fertilizer C as an organic fertilizer.
The following table 1 shows the performance indexes of the organic fertilizer of the embodiments 1-3 of the invention:
table 1:
as can be seen from the above table 1, the organic fertilizer prepared by the invention has rich and balanced nutrient components and is suitable for crop planting.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A method for producing an organic fertilizer by quickly reacting agricultural and forestry waste and plant straws is characterized by comprising the following steps:
(1) crushing rice straws, adding the crushed rice straws into water, adding a catalyst a and an activating agent, carrying out catalytic reaction for 3-5h at the temperature of 130-;
(2) adding cotton residual velvet into water, adding a catalyst B and an activator, carrying out catalytic reaction for 2-3h at the temperature of 130-;
(3) adding sunflower seed shells, reeds, grape branches, weeds and wood shavings into water according to a certain proportion, adding a catalyst C and an activating agent, carrying out catalytic reaction for 8-10h at the temperature of 180 ℃ and under the pressure of 1.2-1.5MPa to obtain a solid-liquid mixture C, and carrying out suction filtration and press drying on the solid-liquid mixture C to obtain a solid fertilizer C and a liquid fertilizer C for later use;
(4) mixing a solid fertilizer A, a solid fertilizer B, a solid fertilizer C, alkaline earth, a liquid fertilizer A, a liquid fertilizer B and a liquid fertilizer C according to a weight ratio of 0-2: 0-2: 0-2: 0-2: 0-2: 0-2: 0-2 of the organic fertilizer.
2. The method for producing organic fertilizer by the rapid reaction of the agricultural and forestry waste and the plant straws as claimed in claim 1, wherein the weight ratio of the rice straws to the water in the step (1) is 1: 1-5.
3. The method for producing organic fertilizer by the rapid reaction of the agricultural and forestry waste and the plant straws as claimed in claim 1, wherein the weight ratio of the cotton remnant to the water in the step (2) is 1: 3-5.
4. The method for producing organic fertilizer by the rapid reaction of the agricultural and forestry waste and the plant straw as claimed in claim 1, wherein the weight ratio of sunflower seed hulls, reeds, grape branches, weeds and wood shavings in the step (3) is 10-20: 5-10: 1-5: 1-5: 1.
5. the method for producing organic fertilizer by the rapid reaction of the agricultural and forestry waste and the plant straw as claimed in claim 1, wherein the weight ratio of the total mass of the sunflower seed hull, the reed, the grape branch, the weed and the wood shavings mixture to the water in the step (3) is 5: 8.
6. The method for producing organic fertilizer by agricultural and forestry waste and plant straw through rapid reaction according to claim 1, wherein the catalyst a is a mixture of dilute sulfuric acid and ferrous sulfate.
7. The method for producing organic fertilizer by agricultural and forestry waste and plant straw through rapid reaction according to claim 1, wherein the catalyst b is a mixture of dilute sulfuric acid, magnesium sulfate and zinc sulfate.
8. The method for producing organic fertilizer by agricultural and forestry waste and plant straw through rapid reaction according to claim 1, wherein the catalyst c is a mixture of dilute sulfuric acid, ferrous sulfate and zinc sulfate.
9. The method for producing organic fertilizer by agricultural and forestry waste and plant straw through rapid reaction according to claim 1, wherein the activating agent is organic low molecular alcohol or amine.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112174736A (en) * | 2020-10-09 | 2021-01-05 | 安徽正基生态农业有限公司 | Method for preparing biological organic fertilizer by using crop straws |
| CN113943189A (en) * | 2021-12-07 | 2022-01-18 | 梁鹏举 | Method for preparing biomass compound liquid organic fertilizer by utilizing agricultural wastes |
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