CN116622482A - Agriculture and forestry waste cooperative resource utilization system and working method thereof - Google Patents
Agriculture and forestry waste cooperative resource utilization system and working method thereof Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 82
- 239000003337 fertilizer Substances 0.000 claims abstract description 59
- 239000002028 Biomass Substances 0.000 claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 claims abstract description 45
- 238000000855 fermentation Methods 0.000 claims abstract description 42
- 238000003763 carbonization Methods 0.000 claims abstract description 41
- 239000002994 raw material Substances 0.000 claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 19
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003345 natural gas Substances 0.000 claims abstract description 8
- 230000004151 fermentation Effects 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 19
- 239000002002 slurry Substances 0.000 claims description 17
- 238000000746 purification Methods 0.000 claims description 14
- 239000010921 garden waste Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000005496 tempering Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 3
- 239000012295 chemical reaction liquid Substances 0.000 claims description 3
- 210000003608 fece Anatomy 0.000 claims description 3
- 238000000265 homogenisation Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 244000144972 livestock Species 0.000 claims description 3
- 239000010871 livestock manure Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000010815 organic waste Substances 0.000 claims description 3
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- 230000005764 inhibitory process Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 6
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- 238000011161 development Methods 0.000 description 3
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- 239000003610 charcoal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000002154 agricultural waste Substances 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
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- 238000010992 reflux Methods 0.000 description 1
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- 230000002195 synergetic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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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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- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/08—Production of synthetic natural gas
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- C12M43/00—Combinations of bioreactors or fermenters with other apparatus
- C12M43/08—Bioreactors or fermenters combined with devices or plants for production of electricity
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/02—Means for pre-treatment of biological substances by mechanical forces; Stirring; Trituration; Comminuting
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/18—Gas cleaning, e.g. scrubbers; Separation of different gases
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
- C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
- C12P5/023—Methane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention provides a agriculture and forestry waste cooperative resource utilization system and a working method thereof, which realize the utilization of agriculture and forestry waste, and realize the self-sustaining circulation of energy and materials in the system and simultaneously transmit high-value green power, biological natural gas, biological carbon base fertilizer and high-end liquid fertilizer to the outside. The raw material pretreatment device is connected with the anaerobic fermentation device; the crude biogas outlet of the anaerobic fermentation device is connected with the biogas purifying device, and the fermentation liquid outlet is connected with the solid-liquid separator; the biogas purifying device is connected with a biogas purifying boosting and biogas generator; the biogas residue outlet of the solid-liquid separator is connected with the biological carbon-based fertilizer production device and the biomass carbonization device, and the biogas residue outlet of the solid-liquid separator is connected with the raw material pretreatment device and the liquid fertilizer production device; the biomass carbonization device is connected with the gas-liquid separation device, and the gas-liquid separation device is connected with the liquid fertilizer production device; the biomass carbonization device is connected with the anaerobic fermentation device and the biochar base fertilizer production device.
Description
Technical Field
The invention relates to a agriculture and forestry waste cooperative resource utilization system and a working method thereof.
Background
In the existing recycling technology of agricultural and forestry waste, anaerobic fermentation and biomass carbonization are two common technical routes. Anaerobic fermentation has higher requirements on raw materials, and biogas slurry and biogas residues generated at the rear end cannot be well utilized, so that the anaerobic fermentation becomes a main development bottleneck of the technology. The biogas slurry reflux ratio is influenced by ammonia nitrogen, volatile amino acid, PH and the like in the system, and the biogas yield is influenced, and meanwhile, the outward discharge of biogas slurry is increased, so that the technical development is further limited.
The biomass carbonization technology has high requirement on the water content of raw materials, the gas production heat energy utilization scene is lacking, the added value of biomass carbon as an intermediate product is lower, and the market competitiveness is lacking, so that the technology has a certain obstacle to the great development.
If the agricultural and forestry waste is well utilized, huge resource effect can be generated. The current technical route has technical and economic problems, so that the application and popularization are difficult.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a agriculture and forestry waste cooperative recycling system with reasonable structural design and a working method thereof, which realize the utilization of agriculture and forestry waste, realize the self-sustaining circulation of energy and materials in the system, simultaneously transmit high-value green power, biological natural gas, biological carbon-based fertilizer and high-end liquid fertilizer to the outside, expand the agriculture and forestry waste treatment range and improve the material cooperative stability and economy.
The invention solves the problems by adopting the following technical scheme: an agriculture and forestry waste cooperative resource utilization system is characterized in that: the device comprises a raw material pretreatment device, an anaerobic fermentation device, a biogas purification boosting device, a biogas generator, a solid-liquid separator, a biomass carbonization device, a gas-liquid separation device, a liquid fertilizer production device and a biochar base fertilizer production device; the outlet of the raw material pretreatment device is connected with the inlet of the anaerobic fermentation device; the crude biogas outlet of the anaerobic fermentation device is connected with the inlet of the biogas purification device, and the fermentation liquid outlet is connected with the inlet of the solid-liquid separator; the outlet of the biogas purifying device is connected with the inlet of the biogas purifying and boosting device and the inlet of the biogas generator; the biogas residue outlet of the solid-liquid separator is connected with the inlet of the biological carbon-based fertilizer production device and the inlet of the biomass carbonization device, and the biogas slurry outlet of the solid-liquid separator is connected with the inlet of the raw material pretreatment device and the inlet of the liquid fertilizer production device; the gas outlet of the biomass carbonization device is connected with the inlet of the gas-liquid separation device, and the liquid outlet of the gas-liquid separation device is connected with the inlet of the liquid fertilizer production device; the solid outlet of the biomass carbonization device is connected with the inlet of the anaerobic fermentation device and the inlet of the biochar base fertilizer production device.
The gas outlet of the gas-liquid separation device is used for being connected with the inlet of the combustible gas heat energy utilization device.
The invention also comprises a biochar base fertilizer auxiliary material adding system, wherein the outlet of the biochar base fertilizer auxiliary material adding system is connected with the inlet of the biochar base fertilizer production device.
A working method of an agricultural and forestry waste cooperative resource utilization system is characterized by comprising the following steps of: the method comprises the following steps:
(1) Straw, tail vegetables, livestock and poultry manure and other organic wastes in agricultural and forestry wastes are sent into a raw material pretreatment device, and after pretreatment, the raw material pretreatment device is mixed with biogas slurry flowing back through a solid-liquid separator for tempering, and then the mixture enters an anaerobic fermentation device;
(2) Introducing materials which are easy to anaerobic ferment in garden waste into an anaerobic fermentation device, and allowing substances which are difficult to anaerobic ferment to enter a biomass carbonization device;
(3) Introducing the biogas passing through the anaerobic fermentation device into a biogas purification device, and enabling the purified biogas to enter a biogas generator to generate electricity for the whole plant, wherein the redundant electric quantity is connected with a grid; the purified biogas can also pass through a biogas purification and pressure boosting device and is used for producing biological natural gas;
(4) Introducing the reaction liquid after passing through the anaerobic fermentation device into a solid-liquid separator, wherein the separated biogas slurry flows back to a raw material pretreatment device for raw material tempering on one hand, and enters a liquid fertilizer production device for high-end liquid fertilizer production on the other hand;
(5) The biogas residue separated by the solid-liquid separator enters a biological carbon-based generation device on one hand, and enters a biomass carbonization device after being mixed with garden waste on the other hand, so as to carry out biomass carbonization treatment and generate biomass carbon;
(6) Introducing gas generated by the biomass carbonization device into a gas-liquid separation device, and mixing the separated liquid extract with biogas slurry to enter a liquid fertilizer production device; the gas-liquid separation device separates out combustible gas;
(7) The solid biomass carbon generated by the biomass carbonization device is introduced into the anaerobic fermentation device to control ammonia nitrogen inhibition and improve the gas production rate, and is introduced into the biochar base fertilizer production device to serve as a production base material for producing the carbon base fertilizer.
The pretreatment of the invention comprises impurity removal, crushing and homogenization.
Compared with the prior art, the invention has the following advantages and effects: the invention utilizes the potential resources of agricultural and forestry wastes, and finally converts the waste into green high-end energy, high-value fertilizer, activated carbon and other products through the integrated application and organic cooperation of a plurality of industrial technologies. Forestry waste is initially sorted, and the forestry waste enters into an efficient anaerobic fermentation device and a carbonization device respectively, so that the forestry waste can be cooperatively treated on the basis of single treatment of agricultural waste, and the system has stronger cooperative treatment capacity and better economical efficiency. The biomass charcoal generated by the biomass carbonization device is introduced into the anaerobic fermentation device, so that the problems of acidification of the fermentation device, reduction of the gas production rate and the like caused by large-scale backflow of biogas slurry can be effectively solved, the discharge amount of the biogas slurry of the system can be reduced, and the pressure at the rear end can be reduced. The biogas residue and forestry waste are used as carbonization raw materials, so that carbonization efficiency can be improved, and biomass carbon and biogas residue generated by carbonization pass through a biochar base fertilizer production device to produce high-value biochar base fertilizer. The gas generated by the biomass carbonization device passes through a gas-liquid separation device, and the liquid extract and biogas slurry can jointly produce high-end liquid fertilizer; the combustible gas can be used for heating carbonized raw materials, heating an anaerobic fermentation system, heating a factory and other heat energy utilization modes, and the like, so that the benefit maximization of the utilization of the material energy is realized. Biogas generated by the anaerobic fermentation device passes through the biogas purification device, on one hand, green electric power can be generated by a biogas generator for plant power, and redundant power can be connected in a grid; on the other hand, the biogas can be purified and boosted to produce the biological natural gas, so that the utilization way of energy sources can be enlarged. In combination, the invention can realize the closed-loop industrial chain framework of agricultural and forestry waste, realize the self-sustaining circulation of energy and materials in the system, simultaneously transmit high-value green power, biological natural gas, biological carbon base fertilizer and high-end liquid fertilizer to the outside, solve the problem of raw material limitation of a single technology, expand the agricultural and forestry waste treatment range, improve the material synergistic stability and economy, and really change waste into valuables. And the produced commercial green electric energy, biological natural gas, biological carbon base fertilizer, charcoal, activated carbon and high-end liquid fertilizer can be subjected to capacity adjustment according to the market condition of products.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and not limited to the following examples.
The embodiment of the invention comprises a raw material pretreatment device 1, an anaerobic fermentation device 2, a biogas purification device 3, a biogas purification boosting device 4, a biogas generator 5, a solid-liquid separator 6, a biomass carbonization device 7, a gas-liquid separation device 8, a liquid fertilizer production device 9, a biochar base fertilizer production device 10 and a biochar base fertilizer auxiliary material adding system 11.
The outlet of the raw material pretreatment device 1 is connected with the inlet of the anaerobic fermentation device 2; the crude biogas outlet of the anaerobic fermentation device 2 is connected with the inlet of the biogas purification device 3, and the fermentation liquid outlet is connected with the inlet of the solid-liquid separator 6.
The outlet of the biogas purifying device 3 is connected with the inlet of the biogas purifying booster 4 and the inlet of the biogas generator 5.
The biogas residue outlet of the solid-liquid separator 6 is connected with the inlet of the biochar base fertilizer production device 10 and the inlet of the biomass carbonization device 7, and the biogas residue outlet of the solid-liquid separator 6 is connected with the inlet of the raw material pretreatment device 1 and the inlet of the liquid fertilizer production device 9.
The biomass carbonization device 7 receives the biogas residues from the solid-liquid separator 6 and also receives the forestry waste to separate out materials suitable for carbonization. The gas outlet of the biomass carbonization device 7 is connected with the inlet of the gas-liquid separation device 8, the liquid outlet of the gas-liquid separation device 8 is connected with the inlet of the liquid fertilizer production device 9, and the gaseous outlet of the gas-liquid separation device 8 is used for being connected with the inlet of the combustible gas heat energy utilization device. The solid outlet of the biomass carbonization device 7 is connected with the inlet of the anaerobic fermentation device 2 and the inlet of the biochar base fertilizer production device 10. The outlet of the biochar base fertilizer auxiliary material adding system 11 is connected with the inlet of the biochar base fertilizer production device 10. The intermediate biomass carbon produced by the biomass carbonization device 7 can be further processed to produce high-value products such as charcoal or activated carbon.
A working method of an agricultural and forestry waste cooperative resource utilization system comprises the following steps:
(1) Straw, tail vegetables, livestock and poultry manure and other organic wastes in agricultural and forestry wastes are sent into a raw material pretreatment device 1, and after pretreatment, the raw material pretreatment device is mixed with biogas slurry flowing back through a solid-liquid separator 6 for tempering, and then the mixture enters an anaerobic fermentation device 2; the pretreatment comprises the processes of impurity removal, crushing, homogenization and the like.
(2) Introducing materials which are easy to anaerobic ferment in garden waste into an anaerobic fermentation device 2, and allowing substances which are difficult to anaerobic ferment to enter a biomass carbonization device 7;
(3) Introducing the biogas passing through the anaerobic fermentation device 2 into a biogas purification device 3, and enabling the purified biogas to enter a biogas generator 5 to generate electricity for the whole plant, wherein the redundant electricity is connected with the grid; the purified biogas can also pass through a biogas purification and pressure increasing device 4 for producing biological natural gas.
(4) Introducing the reaction liquid after passing through the anaerobic fermentation device 2 into a solid-liquid separator, wherein the separated biogas slurry flows back to the raw material pretreatment device 1 for raw material tempering on one hand, and enters the liquid fertilizer production device 9 for high-end liquid fertilizer production on the other hand;
(5) The biogas residues separated by the solid-liquid separator enter a biological carbon-based generating device 10 on one hand, and enter a biomass carbonization device 7 after being mixed with garden waste to carry out biomass carbonization treatment to generate biomass carbon;
(6) Introducing the gas generated by the biomass carbonization device 7 into a gas-liquid separation device 8, and mixing the separated liquid extract with biogas slurry to enter a liquid fertilizer production device 9; the combustible gas separated by the gas-liquid separation device 9 is used for a heat energy utilization device for drying carbonized raw materials, heating a system, heating and the like;
(7) Introducing solids generated by the biomass carbonization device 7 into the anaerobic fermentation device 2 on one hand and into the biochar base fertilizer production device 10 on the other hand; the outlet of the biochar base fertilizer auxiliary material adding system 11 is connected with the inlet of the biochar base fertilizer production device 10; and can also be used for producing high-value products such as charcoal, activated carbon and the like through a deep processing device.
In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present invention. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (5)
1. An agriculture and forestry waste cooperative resource utilization system is characterized in that: the device comprises a raw material pretreatment device, an anaerobic fermentation device, a biogas purification boosting device, a biogas generator, a solid-liquid separator, a biomass carbonization device, a gas-liquid separation device, a liquid fertilizer production device and a biochar base fertilizer production device; the outlet of the raw material pretreatment device is connected with the inlet of the anaerobic fermentation device; the crude biogas outlet of the anaerobic fermentation device is connected with the inlet of the biogas purification device, and the fermentation liquid outlet is connected with the inlet of the solid-liquid separator; the outlet of the biogas purifying device is connected with the inlet of the biogas purifying and boosting device and the inlet of the biogas generator; the biogas residue outlet of the solid-liquid separator is connected with the inlet of the biological carbon-based fertilizer production device and the inlet of the biomass carbonization device, and the biogas slurry outlet of the solid-liquid separator is connected with the inlet of the raw material pretreatment device and the inlet of the liquid fertilizer production device; the gas outlet of the biomass carbonization device is connected with the inlet of the gas-liquid separation device, and the liquid outlet of the gas-liquid separation device is connected with the inlet of the liquid fertilizer production device; the solid outlet of the biomass carbonization device is connected with the inlet of the anaerobic fermentation device and the inlet of the biochar base fertilizer production device.
2. The agricultural and forestry waste cooperative resource utilization system according to claim 1, wherein: the gaseous outlet of the gas-liquid separation device is used for being connected with the inlet of the combustible gas heat energy utilization device.
3. The agricultural and forestry waste cooperative resource utilization system according to claim 1, wherein: the device also comprises a biochar base fertilizer auxiliary material adding system, wherein the outlet of the biochar base fertilizer auxiliary material adding system is connected with the inlet of the biochar base fertilizer production device.
4. A working method of the agricultural and forestry waste cooperative resource utilization system according to claim 1 or 2, characterized in that: the method comprises the following steps:
(1) Straw, tail vegetables, livestock and poultry manure and other organic wastes in agricultural and forestry wastes are sent into a raw material pretreatment device, and after pretreatment, the raw material pretreatment device is mixed with biogas slurry flowing back through a solid-liquid separator for tempering, and then the mixture enters an anaerobic fermentation device;
(2) Introducing materials which are easy to anaerobic ferment in garden waste into an anaerobic fermentation device, and allowing substances which are difficult to anaerobic ferment to enter a biomass carbonization device;
(3) Introducing the biogas passing through the anaerobic fermentation device into a biogas purification device, and enabling the purified biogas to enter a biogas generator to generate electricity for the whole plant, wherein the redundant electric quantity is connected with a grid; the purified biogas can also pass through a biogas purification and pressure boosting device and is used for producing biological natural gas;
(4) Introducing the reaction liquid after passing through the anaerobic fermentation device into a solid-liquid separator, wherein the separated biogas slurry flows back to a raw material pretreatment device for raw material tempering on one hand, and enters a liquid fertilizer production device for high-end liquid fertilizer production on the other hand;
(5) The biogas residue separated by the solid-liquid separator enters a biological carbon-based generation device on one hand, and enters a biomass carbonization device after being mixed with garden waste on the other hand, so as to carry out biomass carbonization treatment and generate biomass carbon;
(6) Introducing gas generated by the biomass carbonization device into a gas-liquid separation device, and mixing the separated liquid extract with biogas slurry to enter a liquid fertilizer production device; the gas-liquid separation device separates out combustible gas;
(7) The solid biomass carbon generated by the biomass carbonization device is introduced into the anaerobic fermentation device to control ammonia nitrogen inhibition and improve the gas production rate, and is introduced into the biochar base fertilizer production device to serve as a production base material for producing the carbon base fertilizer.
5. The method of operation of claim 4, wherein: the pretreatment comprises impurity removal, crushing and homogenization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310432711.5A CN116622482A (en) | 2023-04-21 | 2023-04-21 | Agriculture and forestry waste cooperative resource utilization system and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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