CN112939693A - Preparation and application methods of improved carbon-based biogas fertilizer - Google Patents
Preparation and application methods of improved carbon-based biogas fertilizer Download PDFInfo
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- CN112939693A CN112939693A CN201911171767.XA CN201911171767A CN112939693A CN 112939693 A CN112939693 A CN 112939693A CN 201911171767 A CN201911171767 A CN 201911171767A CN 112939693 A CN112939693 A CN 112939693A
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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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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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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
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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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
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
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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
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Pest Control & Pesticides (AREA)
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- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
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Abstract
The invention relates to the technical field of environment-friendly organic fertilizers, and discloses a preparation method and a use method of an improved carbon-based biogas fertilizer, wherein organic wastes generated in the breeding industry and straws in agricultural production are used as raw materials, a systematic and targeted treatment method is provided, and the improved biochar is mixed with biogas slurry and biogas fertilizer, and then is mixed with beneficial bacteria and a granulation binder to prepare the improved carbon-based biogas fertilizer; the biogas residue pollution can be purified, and the method is used for treating the biogas slurry and the biogas residue in the septic tank to slow down the pollution; the improved carbon-based biogas fertilizer can also improve the physical and chemical properties of soil, restore the ecological environment, reduce the emission of greenhouse gases, and achieve the effects of increasing the yield of crops and improving the quality of fruits.
Description
Technical Field
The invention belongs to the technical field of environment-friendly organic fertilizers, and particularly relates to a preparation and application method of an improved carbon-based biogas fertilizer.
Background
China is a big agricultural country, wherein the agricultural straw yield is the first world, straw disposal is an agricultural pollution problem which is difficult to manage, and along with the production of organic wastes in the breeding industry, the method is very important for the treatment of agricultural straws and organic wastes, and a straw treatment method which has small environmental pollution, simple operation and convenient operation is lacked at present; the biomass utilization of the straw has limitation, complex manufacturing process and single effect; the biochar manufacturing process aiming at straws and organic wastes systematically is not available, and the product effect is poor.
Disclosure of Invention
In view of the above situation, the invention provides a preparation and application method of an improved carbon-based biogas fertilizer, which effectively utilizes agricultural straws and organic wastes of aquaculture industry, treats the straws and the organic wastes systematically and pertinently, and prepares the carbon-based biogas fertilizer with excellent effect under a certain process.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a preparation method of an improved carbon-based biogas fertilizer is characterized by comprising the following steps:
firstly, selecting various different kinds of straws to be put into a carbonization gas furnace, and setting the gas temperature of the carbonization furnace, the heating rate of the carbonization furnace and the oxygen content of the carbonization furnace to prepare an improved biochar product;
step two, collecting biogas slurry and biogas manure organic waste generated by the septic tank, and carrying out biogas manure pretreatment to obtain high-quality biogas slurry and biogas manure for producing the improved carbon-based biogas manure;
and step three, mixing the biochar product obtained in the step one with the high-quality biogas slurry and biogas fertilizer obtained after the biogas fertilizer pretreatment in the step two according to a ratio, and then performing a biochar granulation process to obtain the improved carbon-based biogas fertilizer.
Preferably, the straw variety selected in the first step is straw which can be made into biochar with different specific surface areas and pore volumes.
Preferably, in the first step, the fuel gas temperature of the carbonization furnace is 300-.
Preferably, the biogas manure pretreatment in the second step is to primarily separate biogas slurry from biogas manure in organic waste, and then add decomposed livestock manure for half a year to perform composting and fermentation to obtain high-quality biogas slurry and biogas manure.
Preferably, the mixing mass ratio of the improved biochar product in the third step to the biogas slurry and the biogas fertilizer is 1:1: 1.5.
Preferably, the process for granulating the biochar in the third step comprises the following steps: mixing the improved biochar mixed with the biogas slurry and the biogas fertilizer with beneficial bacteria and a granulation binder according to the mass ratio of 10:1:5, and adding a certain amount of biogas slurry and biogas residues in the mixing process to obtain the improved carbon-based biogas fertilizer with the particle size of 3.5mm-6.5 mm.
Preferably, the beneficial bacteria are bacteria for recycling nutrient elements on the hardened soil and enhancing fertilizer retention capacity, and the granulation binder is one or more of bentonite, fulvic acid powder, activated sludge and other substances for reducing granulation difficulty.
The application method of any improved carbon-based biogas fertilizer prepared by the method is characterized in that the application proportion of the improved carbon-based biogas fertilizer is 20-50 kg per mu of land, plant seedlings applying the improved carbon-based biogas fertilizer are cultivated in a container cultivation mode, and proper containers are selected for cultivation according to the root length and planting density of different plants, and the containers are cylindrical containers with the diameter multiplied by the height of 4.5cm multiplied by 8.0cm, 6.0cm multiplied by 9.0cm and 8.0cm multiplied by 12.0 cm.
The invention has the following beneficial effects:
the improved carbon-based biogas fertilizer prepared by the preparation process can improve the physical and chemical properties of soil, restore ecological environment, reduce greenhouse gas emission and achieve the effects of increasing the yield of crops and improving the fruit quality.
Drawings
FIG. 1 is a flow chart of the steps of the present invention
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1, the specific embodiment of the present invention is as follows:
example 1
Wheat, corn, locust tree bark and sawdust are selected as straw materials, the ratio is 1:1:0.01:0.02 respectively, the improved biochar is prepared under the conditions that the carbonization temperature is 300 ℃, the heating rate is 5.6 ℃ and the oxygen content is 0, and the quality of the biochar is increased by 3.5 times compared with that of the common biochar.
Collecting organic wastes of the breeding industry, primarily separating biogas slurry from biogas manure, adding decomposed livestock manure for half a year, composting and fermenting to obtain high-quality biogas slurry and biogas manure, mixing the biochar product with the high-quality biogas slurry and biogas manure according to the mixing mass ratio of 1:1:1.5, and granulating the biochar product, azotobacter, phosphate solubilizing bacteria, bentonite and activated sludge according to the mass ratio of 10:1:5 to obtain the improved carbon-based biogas manure with the particle size of 3.5-6.5 mm.
Aiming at the land with the same fertility, 20-50 kg/mu of improved carbon-based biogas fertilizer is applied to the soil, and aiming at different plant seedlings, cylindrical containers with the diameters multiplied by the heights of 4.5cm multiplied by 8.0cm, 6.0cm multiplied by 9.0cm and 8.0cm multiplied by 12.0cm are selected for initial culture, the yield of wheat is increased by 10 percent, the yield of corn is increased by 14 percent, the yield of vegetables is increased by 23 percent, the utilization rate of chemical fertilizer is increased by 38 percent when the plants are harvested, meanwhile, the pH of the soil in the saline-alkali soil is reduced, the germination rate of seeds is close to 90 percent, the water content is increased by 2 percent, and the number of.
Example 2
Wheat, rice, pagoda tree bark and apple branch miscellaneous trees are selected as straw materials, the ratio is 1:1:0.01:0.02, the improved biochar is prepared under the conditions that the carbonization temperature is 400 ℃, the heating rate is 10 ℃ and the oxygen content is 0, and the yield of the biochar is increased by 7 times compared with the quality of common biochar.
Collecting organic wastes of the breeding industry, primarily separating biogas slurry from biogas manure, adding decomposed livestock and poultry manure for half a year, composting and fermenting to obtain high-quality biogas slurry and biogas manure, mixing a biochar product with the high-quality biogas slurry and biogas manure according to the mixing mass ratio of 1:1:1.5, and carrying out biochar granulation on the mixed biochar product, azotobacter, phosphate solubilizing bacteria, bentonite and activated sludge according to the mass ratio of 10:1:5 to obtain the improved carbon-based biogas manure.
Aiming at the land with the same fertility, 20-50 kg/mu of improved carbon-based biogas fertilizer is applied to the soil, and aiming at different plant seedlings, cylindrical containers with the diameters multiplied by the heights of 4.5cm multiplied by 8.0cm, 6.0cm multiplied by 9.0cm and 8.0cm multiplied by 12.0cm are selected for initial culture, the yield of wheat is increased by 13%, the yield of corn is increased by 17%, the yield of vegetables is increased by 27%, the utilization rate of chemical fertilizer is increased by 40% when the plants are harvested, meanwhile, the pH of the soil in the saline-alkali soil is reduced, the germination rate of seeds is close to 93%, the water content is increased by 3%, and the number of rice ears per mu and.
Example 3
Wheat, rice, pagoda tree bark and apple branch miscellaneous trees are selected as straw materials, the ratio is 1:1:0.01:0.02 respectively, the improved biochar is prepared under the conditions that the carbonization temperature is 500 ℃, the heating rate is 16.7 ℃ and the oxygen content is 0, and the quality of the biochar is increased by 9 times compared with that of common biochar.
Collecting organic wastes of the breeding industry, primarily separating biogas slurry from biogas manure, adding decomposed livestock manure for half a year, composting and fermenting to obtain high-quality biogas slurry and biogas manure, mixing the biochar product with the high-quality biogas slurry and biogas manure according to the mixing mass ratio of 1:1:1.5, and granulating the biochar product, azotobacter, phosphate solubilizing bacteria, bentonite and activated sludge according to the mass ratio of 10:1:5 to obtain the improved carbon-based biogas manure with the particle size of 3.5-6.5 mm.
Aiming at the land with the same fertility, 20-50 kg/mu of improved carbon-based biogas fertilizer is applied to the soil, and aiming at different plant seedlings, cylindrical containers with the diameters multiplied by the heights of 4.5cm multiplied by 8.0cm, 6.0cm multiplied by 9.0cm and 8.0cm multiplied by 12.0cm are selected for initial culture, the yield of wheat is increased by 15 percent, the yield of corn is increased by 20 percent, the yield of vegetables is increased by 30 percent, the utilization rate of chemical fertilizer is increased by 42 percent when the plants are harvested, meanwhile, the pH of the soil in the saline-alkali soil is reduced, the germination rate of seeds is close to 95 percent, the water content is increased by 3 percent, and the number of.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled 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 (8)
1. A preparation method of an improved carbon-based biogas fertilizer is characterized by comprising the following steps:
firstly, selecting various different kinds of straws to be put into a carbonization gas furnace, and setting the gas temperature of the carbonization furnace, the heating rate of the carbonization furnace and the oxygen content of the carbonization furnace to prepare an improved biochar product;
step two, collecting biogas slurry and biogas manure organic waste generated by the septic tank, and carrying out biogas manure pretreatment to obtain high-quality biogas slurry and biogas manure for producing the improved carbon-based biogas manure;
and step three, mixing the biochar product obtained in the step one with the high-quality biogas slurry and biogas fertilizer obtained after the biogas fertilizer pretreatment in the step two according to a ratio, and then performing a biochar granulation process to obtain the improved carbon-based biogas fertilizer.
2. The method for preparing an improved carbon-based biogas fertilizer as claimed in claim 1, wherein the straw used in the first step is a straw capable of being made into biochar with various specific surface areas and pore volumes.
3. The method as claimed in claim 1, wherein the temperature of the fuel gas in the first step is 300-500 ℃, the temperature rise rate of the carbonization furnace is 5.6-16.7 ℃/min, and the oxygen content of the carbonization furnace is 0.
4. The method for preparing an improved carbon-based biogas fertilizer as claimed in claim 1, wherein the biogas fertilizer pretreatment in the second step is to separate biogas slurry from biogas fertilizer in organic waste primarily, and then add half-year-old decomposed livestock and poultry manure to perform composting and fermentation to obtain high-quality biogas slurry and biogas fertilizer.
5. The preparation method of the improved carbon-based biogas fertilizer as claimed in claim 1, wherein the mixing mass ratio of the improved biochar product to the biogas slurry and the biogas fertilizer in the third step is 1:1: 1.5.
6. The preparation method of the improved carbon-based biogas fertilizer as claimed in claim 1, wherein the granulation process of the biochar in the third step is as follows: mixing the improved biochar mixed with the biogas slurry and the biogas fertilizer with beneficial bacteria and a granulation binder according to the mass ratio of 10:1:5, and adding a certain amount of biogas slurry and biogas residues in the mixing process to obtain the improved carbon-based biogas fertilizer with the particle size of 3.5-6.5 mm.
7. The method for preparing an improved carbon-based biogas fertilizer as claimed in claim 6, wherein the beneficial bacteria are bacteria for recycling nutrient elements on hardened soil and enhancing fertilizer retention capability, and the granulation binder is one or more of bentonite, fulvic acid powder, activated sludge and other substances for reducing granulation difficulty.
8. The use method of any one of the improved carbon-based biogas fertilizers prepared in claims 1-7, characterized in that the application ratio of the improved carbon-based biogas fertilizer is 20-50 kg per mu, the plant seedlings applied with the improved carbon-based biogas fertilizer are cultivated in a container, and a proper container is selected for cultivation according to the root length and planting density of various plants, and the containers are respectively cylindrical containers with one or more of the dimensions of diameter x height of 4.5cm x 8.0cm, 6.0cm x 9.0cm or 8.0cm x 12.0 cm.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016898A (en) * | 2015-08-03 | 2015-11-04 | 北京科技大学 | Biochar fertilizer with concentrated biogas slurry and preparation method thereof |
| CN106134563A (en) * | 2016-07-13 | 2016-11-23 | 南京林业大学 | A kind of modification method of artificial forest soil quality |
| CN106242911A (en) * | 2016-08-19 | 2016-12-21 | 刘建伟 | A kind of charcoal fertilizer containing biogas slurry |
| CN106977331A (en) * | 2017-05-30 | 2017-07-25 | 西北农林科技大学 | A kind of preparation method of semisolid charcoal base biogas slurry organic fertilizer |
| CN107226758A (en) * | 2017-04-28 | 2017-10-03 | 北京林业大学 | A kind of garden waste biomass carbon base biogas slurry fertilizer and preparation method and application |
-
2019
- 2019-11-25 CN CN201911171767.XA patent/CN112939693A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016898A (en) * | 2015-08-03 | 2015-11-04 | 北京科技大学 | Biochar fertilizer with concentrated biogas slurry and preparation method thereof |
| CN106134563A (en) * | 2016-07-13 | 2016-11-23 | 南京林业大学 | A kind of modification method of artificial forest soil quality |
| CN106242911A (en) * | 2016-08-19 | 2016-12-21 | 刘建伟 | A kind of charcoal fertilizer containing biogas slurry |
| CN107226758A (en) * | 2017-04-28 | 2017-10-03 | 北京林业大学 | A kind of garden waste biomass carbon base biogas slurry fertilizer and preparation method and application |
| CN106977331A (en) * | 2017-05-30 | 2017-07-25 | 西北农林科技大学 | A kind of preparation method of semisolid charcoal base biogas slurry organic fertilizer |
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Application publication date: 20210611 |