CN113339832A - Biomass energy combustion treatment process - Google Patents

Biomass energy combustion treatment process Download PDF

Info

Publication number
CN113339832A
CN113339832A CN202110597968.7A CN202110597968A CN113339832A CN 113339832 A CN113339832 A CN 113339832A CN 202110597968 A CN202110597968 A CN 202110597968A CN 113339832 A CN113339832 A CN 113339832A
Authority
CN
China
Prior art keywords
combustion
biomass
biomass fuel
fuel
supporting catalyst
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110597968.7A
Other languages
Chinese (zh)
Inventor
赵路生
赵志恒
赵俊铨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Yonglu Biomass Energy Co ltd
Original Assignee
Xuzhou Yonglu Biomass Energy Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuzhou Yonglu Biomass Energy Co ltd filed Critical Xuzhou Yonglu Biomass Energy Co ltd
Priority to CN202110597968.7A priority Critical patent/CN113339832A/en
Publication of CN113339832A publication Critical patent/CN113339832A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K1/00Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L9/00Treating solid fuels to improve their combustion
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L9/00Treating solid fuels to improve their combustion
    • C10L9/08Treating solid fuels to improve their combustion by heat treatments, e.g. calcining
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L9/00Treating solid fuels to improve their combustion
    • C10L9/10Treating solid fuels to improve their combustion by using additives
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23BMETHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B40/00Combustion apparatus with driven means for feeding fuel into the combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23BMETHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B70/00Combustion apparatus characterised by means returning solid combustion residues to the combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/027Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using cyclone separators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K1/00Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
    • F23K1/04Heating fuel prior to delivery to combustion apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23LSUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L5/00Blast-producing apparatus before the fire
    • F23L5/02Arrangements of fans or blowers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00Intercepting solids
    • F23J2217/40Intercepting solids by cyclones
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2203/00Feeding arrangements
    • F23K2203/20Feeding/conveying devices
    • F23K2203/202Feeding/conveying devices using screws
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The invention discloses a biomass energy combustion treatment process which is characterized by comprising the following steps of S1, scattering biomass fuel, screening impurities doped in the biomass fuel by using screening equipment, and crushing the biomass fuel after scattering, screening and impurity removing into powder by using a crusher; and S2, conveying the crushed biomass fuel through a screw conveyor, and spraying a combustion-supporting catalyst on the biomass fuel at a material inlet of the screw conveyor. This biomass energy burning processing technology through carrying out the precombustion processing to biomass fuel, the combustion-supporting catalyst of surface spraying of biomass powder fuel granule, then the abundant stoving processing of biomass burning for combustion-supporting catalyst can furthest fuse mutually with biomass fuel, improves combustion-supporting efficiency of combustion-supporting catalyst, is different from traditional biomass fuel direct combustion exothermic mode, is favorable to biomass powder fuel's thorough burning, furthest's the exothermic efficiency of burning of improvement biomass energy burning.

Description

Biomass energy combustion treatment process
Technical Field
The invention relates to the technical field related to biomass combustion processes, in particular to a biomass energy combustion treatment process.
Background
Biomass refers to various organisms produced by photosynthesis using the atmosphere, water, land, and the like, and all living organic substances that can grow are generally called biomass. It includes plants, animals and microorganisms. The broad concept of biomass includes all plants, microorganisms and animals that feed on plants, microorganisms and their production waste. Representative biomass materials include crops, crop wastes, wood wastes, and animal wastes. The narrow concept is that the biomass mainly refers to lignocellulose such as straws and trees except grains and fruits in the production process of agriculture and forestry, leftovers in the processing industry of agricultural products, wastes in agriculture and forestry, and feces and wastes of livestock and poultry in the production process of animal husbandry. The characteristics of renewability, low pollution and wide distribution.
The existing biomass fuel combustion technology has the mode that biomass fuel is pressed into particles and is directly combusted, the biomass fuel is repeatedly combusted in a fixed furnace of a boiler, ash generated by combustion stays on a grate or is discharged from a gap on the grate, the introduction and combustion of subsequent biomass fuel are influenced to a certain extent by the repeated combustion mode, and the combustion heat release efficiency of the combustion boiler is reduced, so that the biomass energy combustion treatment process is designed by the inventor, and the technical problem is solved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a biomass energy combustion treatment process, which solves the problem that the repeated combustion of biomass fuel influences the heat release of the subsequent fuel introduction combustion.
(II) technical scheme
In order to achieve the technical purpose, the invention provides the following technical scheme: a biomass energy combustion treatment process comprises the following steps:
s1, scattering the biomass fuel, screening out impurities doped in the biomass fuel by using screening equipment, and crushing the biomass fuel after scattering, screening and removing the impurities into powder by using a crusher;
s2, conveying the crushed biomass fuel through a screw conveyor, and spraying a combustion-supporting catalyst on the biomass fuel at a material introducing port of the screw conveyor;
s3, drying the biomass fuel sprayed with the combustion-supporting catalyst by a drying device;
s4, introducing the dried material in the S3 into a combustion preheating stirring device for preheating and stirring, wherein the preheating temperature range of the combustion waste heat device is 100-120 ℃;
s5, guiding the preheated biomass fuel into a combustion boiler through a screw conveyor for combustion, and meanwhile, guiding rich oxygen into the combustion boiler through a blower to ensure the biomass fuel in the combustion boiler to be fully combusted;
s6, drying and preheating the biomass fuel in the S3 and S4 steps in a heat exchange mode by using high-temperature flue gas generated by burning the biomass fuel by the burning boiler in the S5 step;
s7, treating the cooled flue gas after heat exchange through a cyclone separator, so that biomass particles which are not fully combusted in the flue gas are separated from the airflow;
and S8, reintroducing the biomass particles obtained in the step S7 into a combustion boiler for sufficient combustion.
Preferably, the biomass fuel in the step S1 is wood or straw, and the particle size of the biomass fuel crushed by the crusher is 50-100 meshes.
Preferably, the combustion-supporting catalyst sprayed in the step S2 is an atomized combustion-supporting catalyst, and the combustion-supporting catalyst is sprayed in a sealed manner at the material introduction port of the screw conveyor, so that the spraying overflow of the combustion-supporting catalyst is avoided, and the stability of the spraying environment of the combustion-supporting catalyst is ensured.
Preferably, in the step S3, the drying of the biomass fuel is stopped when the water content of the biomass fuel is dried to a range of 15% to 25%, so as to reduce the water content of the biomass fuel to the maximum extent and improve the combustion efficiency of the biomass fuel.
Preferably, the rotation speed of the combustion preheating stirring device for stirring the biomass fuel in the step S4 is 20 to 30r/min, so as to improve the mixing efficiency between the combustion-supporting catalyst and the biomass fuel.
Preferably, the cyclone separator in the step S7 is a multi-stage cyclone separator, which ensures maximum separation of flue gas discharged from the combustion boiler, and is introduced into the combustion boiler again for sufficient combustion.
(III) advantageous effects
Compared with the prior art, the invention provides a biomass energy combustion treatment process, which has the following beneficial effects:
the biomass energy combustion treatment process comprises the steps of pre-combusting biomass fuel, spraying combustion-supporting catalyst on the surface of biomass powder fuel particles, then the biomass is burnt and fully dried, so that the combustion-supporting catalyst can be fused with the biomass fuel to the maximum extent, the combustion-supporting efficiency of the combustion-supporting catalyst is improved, the biomass powder fuel is different from the traditional biomass fuel direct burning heat release mode, the biomass powder fuel is favorably and thoroughly burnt, the biomass fuel is preheated before being burnt, so that the biomass is burnt fully in the burning boiler at the highest speed to avoid excessive smoke generated by insufficient burning of the biomass fuel, meanwhile, heat recovery and utilization are carried out on the flue gas generated by the combustion boiler, and finally the combustible flue gas is introduced into the combustion boiler again through the cyclone separator for reburning treatment, so that the heat release efficiency of combustion of biomass energy is improved to the maximum extent.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A biomass energy combustion treatment process comprises the following steps:
s1, scattering the biomass fuel, screening impurities doped in the biomass fuel by using screening equipment, and crushing the scattered and screened impurities into powder by using a crusher, wherein the biomass fuel is made of wood and straw, and the particle size of the biomass fuel crushed by the crusher is 50-100 meshes;
s2, conveying the crushed biomass fuel through a screw conveyor, spraying a combustion-supporting catalyst at a material introducing port of the screw conveyor, wherein the combustion-supporting catalyst is an atomized combustion-supporting catalyst, and the combustion-supporting catalyst is sprayed at the material introducing port of the screw conveyor in a sealing manner, so that the combustion-supporting catalyst is prevented from being sprayed out, and the stability of the combustion-supporting catalyst spraying environment is ensured;
s3, drying the biomass fuel sprayed with the combustion-supporting catalyst by a drying device, and stopping drying until the moisture content of the biomass fuel is within 15-25%, so as to reduce the moisture content of the biomass fuel to the maximum extent and improve the combustion efficiency of the biomass fuel;
s4, introducing the dried material in the step S3 into a combustion preheating stirring device for preheating and stirring, wherein the preheating temperature range of a combustion waste heat device is 100-120 ℃, the rotating speed of the combustion preheating stirring device for stirring the biomass fuel is 20-30r/min, and the mixing efficiency between the combustion-supporting catalyst and the biomass fuel is improved;
s5, guiding the preheated biomass fuel into a combustion boiler through a screw conveyor for combustion, and meanwhile, guiding rich oxygen into the combustion boiler through a blower to ensure the biomass fuel in the combustion boiler to be fully combusted;
s6, drying and preheating the biomass fuel in the S3 and S4 steps in a heat exchange mode by using high-temperature flue gas generated by burning the biomass fuel by the burning boiler in the S5 step;
s7, treating the cooled flue gas after heat exchange through a cyclone separator to separate biomass particles which are not fully combusted from airflow in the flue gas, wherein the cyclone separator adopts a multi-stage cyclone separator to ensure that the flue gas exhausted by the combustion boiler is separated to the maximum extent, and then the flue gas is introduced into the combustion boiler to be fully combusted;
and S8, reintroducing the biomass particles obtained in the step S7 into a combustion boiler for sufficient combustion.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A biomass energy combustion treatment process is characterized by comprising the following steps:
s1, scattering the biomass fuel, screening out impurities doped in the biomass fuel by using screening equipment, and crushing the biomass fuel after scattering, screening and removing the impurities into powder by using a crusher;
s2, conveying the crushed biomass fuel through a screw conveyor, and spraying a combustion-supporting catalyst on the biomass fuel at a material introducing port of the screw conveyor;
s3, drying the biomass fuel sprayed with the combustion-supporting catalyst by a drying device;
s4, introducing the dried material in the S3 into a combustion preheating stirring device for preheating and stirring, wherein the preheating temperature range of the combustion waste heat device is 100-120 ℃;
s5, guiding the preheated biomass fuel into a combustion boiler through a screw conveyor for combustion, and meanwhile, guiding rich oxygen into the combustion boiler through a blower to ensure the biomass fuel in the combustion boiler to be fully combusted;
s6, drying and preheating the biomass fuel in the S3 and S4 steps in a heat exchange mode by using high-temperature flue gas generated by burning the biomass fuel by the burning boiler in the S5 step;
s7, treating the cooled flue gas after heat exchange through a cyclone separator, so that biomass particles which are not fully combusted in the flue gas are separated from the airflow;
and S8, reintroducing the biomass particles obtained in the step S7 into a combustion boiler for sufficient combustion.
2. The biomass energy combustion processing process of claim 1, wherein the biomass fuel in the step S1 is wood or straw, and the biomass fuel particles crushed by the crusher are 50-100 mesh.
3. The biomass energy combustion processing process according to claim 1, wherein the combustion-supporting catalyst sprayed in the step S2 is an atomized combustion-supporting catalyst, and the combustion-supporting catalyst is sprayed at the material introduction port of the screw conveyor in a sealing manner, so as to avoid overflow of the sprayed combustion-supporting catalyst.
4. The biomass energy combustion processing process of claim 1, wherein the drying of the biomass fuel in the step S3 is stopped when the water content is within a range of 15% -25%.
5. The biomass energy combustion processing technology of claim 1, wherein the rotation speed of the combustion preheating stirring device for stirring the biomass fuel in the step S4 is 20-30 r/min.
6. The biomass energy combustion processing process of claim 1, wherein the cyclone separator in the step S7 is a multi-stage cyclone separator.
CN202110597968.7A 2021-05-31 2021-05-31 Biomass energy combustion treatment process Pending CN113339832A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110597968.7A CN113339832A (en) 2021-05-31 2021-05-31 Biomass energy combustion treatment process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110597968.7A CN113339832A (en) 2021-05-31 2021-05-31 Biomass energy combustion treatment process

Publications (1)

Publication Number Publication Date
CN113339832A true CN113339832A (en) 2021-09-03

Family

ID=77472323

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110597968.7A Pending CN113339832A (en) 2021-05-31 2021-05-31 Biomass energy combustion treatment process

Country Status (1)

Country Link
CN (1) CN113339832A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115247087A (en) * 2021-12-31 2022-10-28 刘玉杰 Adjustable processing equipment for biomass energy fuel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104651008A (en) * 2015-01-30 2015-05-27 湖南省林业科学院 Method and system for preparing solid fuel through biomass fluidized bed roasting
CN104711029A (en) * 2015-03-13 2015-06-17 李毅强 Flue gas self-purification process for biomass gasification furnace
CN106765060A (en) * 2016-11-23 2017-05-31 广东东燃热能科技有限公司 A kind of thermal efficiency combustion method for improving Industrial Boiler using biomass fuel
CN107365601A (en) * 2017-09-09 2017-11-21 浙江恒鑫电力有限公司 A kind of Biomass Gasification & Power Generation method using agriculture and forestry organic waste material
CN111073719A (en) * 2019-11-18 2020-04-28 广州环峰能源科技股份有限公司 Biomass full combustion process

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104651008A (en) * 2015-01-30 2015-05-27 湖南省林业科学院 Method and system for preparing solid fuel through biomass fluidized bed roasting
CN104711029A (en) * 2015-03-13 2015-06-17 李毅强 Flue gas self-purification process for biomass gasification furnace
CN106765060A (en) * 2016-11-23 2017-05-31 广东东燃热能科技有限公司 A kind of thermal efficiency combustion method for improving Industrial Boiler using biomass fuel
CN107365601A (en) * 2017-09-09 2017-11-21 浙江恒鑫电力有限公司 A kind of Biomass Gasification & Power Generation method using agriculture and forestry organic waste material
CN111073719A (en) * 2019-11-18 2020-04-28 广州环峰能源科技股份有限公司 Biomass full combustion process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115247087A (en) * 2021-12-31 2022-10-28 刘玉杰 Adjustable processing equipment for biomass energy fuel
CN115247087B (en) * 2021-12-31 2024-01-09 湖南鑫淼环保生物质科技有限公司 Adjustable processing equipment for biomass energy fuel

Similar Documents

Publication Publication Date Title
CN104059709B (en) A kind of preparation method of resistive connection slag biomass solid particle fuel
CN105542893B (en) A kind of biomass granule fuel and preparation method thereof
CN107365615A (en) A kind of preparation method of biological particles charcoal
CN112902146B (en) Direct-fired biomass system and blending combustion method for pulverized coal boiler
KR20220074337A (en) Methods for the manufacture of carbon dioxide-reducing bio-cha using organic wastes and the manufacture of complete fertilizer using them
KR20200081907A (en) Slow-release fertilizer using biochar prepared from biomass
JP2017125189A (en) Solid fuel, fertilizer, pluralistic effective utilization system for solid fuel, and method for producing pellet
CN113339832A (en) Biomass energy combustion treatment process
CN105062601A (en) Preparation method and system for green carbon containing biomass
RU2551856C1 (en) Method of deep processing of vegetable organic fuel without chemical binding components and bricketed fuel
KR100729371B1 (en) Apparatus for manufacturing charcoal and pyroligneous liquor from rice hulls
CN207845456U (en) A kind of system using garden waste harmless treatment domestic sludge
CN104479786A (en) Biomass forming fuel and production method
KR101042619B1 (en) Method for producing compressed charcoal fuel using food waste
CN111804277A (en) Method for preparing charcoal activated carbon combustible gas bio-oil from crop straws
CN111348948A (en) Production method and device of efficient circulating bio-organic fertilizer
CN104964285A (en) Biomass treatment method
CN212728287U (en) Straw cyclic utilization system based on domestic fungus volume production
WO2009093926A1 (en) Method for reprocessing organic waste materials into carbon-containing moulds
CN112902627B (en) Pulverized coal boiler direct-fired biomass drying system and drying method
CN105199758A (en) Plant waste integrated utilization method
CN211546356U (en) Production facility of fertilizer
JP2001172642A (en) Pelletized charcoal
CN208266080U (en) A kind of livestock and poultry dung recovery processing unit
CN104781376A (en) Process and device for production of compacted fertilizer charcoal

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210903