CN106194281A - A kind of straw burning electricity-generating method - Google Patents

A kind of straw burning electricity-generating method Download PDF

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Publication number
CN106194281A
CN106194281A CN201610533044.XA CN201610533044A CN106194281A CN 106194281 A CN106194281 A CN 106194281A CN 201610533044 A CN201610533044 A CN 201610533044A CN 106194281 A CN106194281 A CN 106194281A
Authority
CN
China
Prior art keywords
molding
biomass fuel
straw
water
boiler
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
CN201610533044.XA
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Chinese (zh)
Inventor
邵兵
陈亚
苏永亚
李小红
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.)
EVERBRIGHT BIOFUELS ENERGY (HANSHAN) Co Ltd
Original Assignee
EVERBRIGHT BIOFUELS ENERGY (HANSHAN) 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 EVERBRIGHT BIOFUELS ENERGY (HANSHAN) Co Ltd filed Critical EVERBRIGHT BIOFUELS ENERGY (HANSHAN) Co Ltd
Priority to CN201610533044.XA priority Critical patent/CN106194281A/en
Publication of CN106194281A publication Critical patent/CN106194281A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D1/00—Fertilisers containing potassium
    • 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
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
    • C10L5/445—Agricultural waste, e.g. corn crops, grass clippings, nut shells or oil pressing residues
    • 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
    • C10L9/00—Treating solid fuels to improve their combustion
    • C10L9/10—Treating solid fuels to improve their combustion by using additives
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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
    • C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
    • C10L2230/14—Function and purpose of a components of a fuel or the composition as a whole for improving storage or transport of the fuel
    • 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
    • C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
    • C10L2230/22—Function and purpose of a components of a fuel or the composition as a whole for improving fuel economy or fuel efficiency
    • 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
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • 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

Abstract

The invention discloses a kind of straw burning electricity-generating method, belong to energy technology field.The step of the present invention is: step one: former water purification: after former water sequentially passes through raw water box, raw water pump, quartz filter, active carbon filter, intermediate water tank, conveying pump, cartridge filter, one-level high-pressure pump, first-stage reverse osmosis system, two grades of high-pressure pumps, two-stage reverse osmosis system, pure water tank and pure water pump along water (flow) direction, enters in boiler；Step 2: the molding of biomass fuel；Step 3: the transport of molding biomass fuel: molding biomass fuel is sent into boiler furnace；Step 4: combustion power generation: the biomass of molding are burnt by the mode combined with grate firing and suspension combustion；The part steam that boiler produces is by steam turbine and electrical power generators, and produced electricity is transfused to electrical network.The method can meet the prescription of generating required water, and biomass fuel manufacturing process is simple and convenient, it is possible to realize safe efficient, economic generating.

Description

A kind of straw burning electricity-generating method
Technical field
The present invention relates to energy technology field, more particularly, it relates to a kind of straw burning electricity-generating method.
Background technology
Along with economic fast development, power consumption is also presenting ascendant trend, and China mainly uses hydroelectric generation, core Generating and coal-fired thermal power generation, hydroelectric generation is restricted by rainwater, and nuclear power generation cost is the highest, and coal fired power generation is more general And, but a series of environmental problem can be caused, it is, thus, sought for one can substitute coal-fired thermal power generation, biomass fuel Generating is operated and is given birth to.At present, biomass fuel generating drives steam turbine to rotate generating by Boiler Steam, fetches in effluent road Containing substantial amounts of impurity particle in natural water, impurity can be divided into by the size of its discrete particles: float, colloid and solute Matter, when the compounds content of aluminum, ferrum and silicon is higher in boiler water, can form incrustation scale, at height in the boiler tube that thermic load is the highest In pressure boiler, silicic acid can be dissolved in steam, takes boiler therewith out of, is finally deposited in steam turbine, causes fault；In addition in boiler water Oxygen content require the harshest, it is therefore desirable to generating water is processed.And current existing water treatment facilities process After water can not reach generate electricity required water prescription.
Additionally, in power generation process, need to make biomass molding fuel, and existing biomass fuel manufacturing process be numerous Trivial, and can not molding completely, leverage generating efficiency.
Summary of the invention
1. invention to solve the technical problem that
It is an object of the invention to solve the water after processing at present and can not reach the required water prescription that generates electricity, biomass fuel Manufacturing process is loaded down with trivial details, the problem largely effecting on generating efficiency, it is provided that a kind of straw burning electricity-generating method.The method can meet Generating required water prescription, biomass fuel manufacturing process is simple and convenient, it is possible to realize safe efficient, economic generating.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that the present invention provides is:
A kind of straw burning electricity-generating method of the present invention, the steps include:
Step one: former water purification: former water sequentially passes through raw water box, raw water pump, quartz filter, activated carbon along water (flow) direction Filter, intermediate water tank, conveying pump, cartridge filter, one-level high-pressure pump, first-stage reverse osmosis system, two grades of high-pressure pumps, two grades anti- After osmosis system, pure water tank and pure water pump, enter in boiler；
Step 2: the molding of biomass fuel: using conveyer that straw is delivered to pulverizer and pulverize, grinding particle size exists Within 1cm, control moisture percentage, 15% ± 2%, adds combustion adjuvant and binding agent, then by feeding in straw after being pulverized Mixed straw is sent in single lead screw ex truding briquetting machine extruded by material machine；
Step 3: the transport of molding biomass fuel: by transporter, molding biomass fuel is sent into boiler furnace；
Step 4: combustion power generation: the biomass of molding are burnt by the mode combined with grate firing and suspension combustion, burning is produced Raw flue gas and the slag produced in combustion and ash utilize as potash fertilizer raw material after treatment；The part water that boiler produces Steam passes through steam turbine and electrical power generators, and produced electricity is transfused to electrical network.
Further, described raw water pump and conveying pump are two and are arranged in parallel.
Further, described conveyer is plate-and-chain conveyer, and described pulverizer is twin-roll fly cutter pulverizer, and Being provided with bag type dust collector on twin-roll fly cutter pulverizer, described single lead screw ex truding briquetting machine uses porous dismountable die head, described in tear open Unloading coventry type die head coventry and have die head body and embedded extrusion head, the molding biomass fuel prepared is stored in bank, extruding The pressure of forming machine is set as 40-110 MPa so that the volume of the biomass fuel after molding is the 1/9-1/10 of original volume, And the percentage by weight of the combustion adjuvant added accounts for 3 % of mixed straw weight, the weight hundred of the binding agent added Proportion by subtraction accounts for the 4% of mixed straw weight, and the concrete composition of combustion adjuvant is 16wt% sodium chloride, 11wt% calcium hydroxide, 41wt% Cement, also includes that the total amount of sodium sulfate and ferrous sulfate, sodium sulfate and ferrous sulfate accounts for 32wt%, and binding agent is sodium silicate.
Further, described transporter includes that dolly and the first belt conveyor being sequentially connected with, bucket chain type promote Machine, the second belt conveyor, stokehold feed bin and drag conveyor, molding biomass fuel passes through dolly, the first Belt Conveying Machine, bucket chain type elevator and the second belt conveyor are admitted in the feed bin of stokehold, and the molding biomass fuel in the feed bin of stokehold leads to Cross drag conveyor and be admitted to the feeding mouth of star elephant trunk dispenser, hence in boiler furnace.
3. beneficial effect
The technical scheme using the present invention to provide, compared with prior art, has the advantages that
A kind of straw burning electricity-generating method of the present invention, the method can meet the prescription of generating required water, biomass Fuel manufacturing process is simple and convenient, it is possible to realize safe efficient, economic generating.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
A kind of straw burning electricity-generating method of the present embodiment, the steps include:
Step one: former water purification: former water sequentially passes through raw water box, raw water pump, quartz filter, activated carbon along water (flow) direction Filter, intermediate water tank, conveying pump, cartridge filter, one-level high-pressure pump, first-stage reverse osmosis system, two grades of high-pressure pumps, two grades anti- After osmosis system, pure water tank and pure water pump, enter in boiler, wherein: above-mentioned raw water pump and conveying pump are two cloth in parallel Put；
Step 2: the molding of biomass fuel: use plate-and-chain conveyer that straw is delivered to twin-roll fly cutter pulverizer and carry out powder Broken, twin-roll fly cutter pulverizer is provided with bag type dust collector, grinding particle size within 1cm, control moisture percentage 15% ± 2%, straw after being pulverized adds combustion adjuvant and binding agent, the percentage by weight of the combustion adjuvant added accounts for mixed straw 3 % of stalk weight, the percentage by weight of the binding agent added accounts for the 4% of mixed straw weight, the concrete composition of combustion adjuvant For 16wt% sodium chloride, 11wt% calcium hydroxide, 41wt% cement, also include sodium sulfate and ferrous sulfate, sodium sulfate and ferrous sulfate Total amount account for 32wt%, binding agent is sodium silicate, then by feeding machine, mixed straw is sent in single lead screw ex truding briquetting machine and is extruded Molding, above-mentioned single lead screw ex truding briquetting machine uses porous dismountable die head, and described dismountable die head has die head body and embedded squeezes Pressure head, the molding biomass fuel prepared is stored in bank, and the pressure of single lead screw ex truding briquetting machine is set as 40-110 MPa, makes Obtain the 1/9-1/10 that volume is original volume of the biomass fuel after molding.
Step 3: the transport of molding biomass fuel: by transporter, molding biomass fuel is sent into boiler combustion Room, above-mentioned transporter includes dolly and the first belt conveyor being sequentially connected with, bucket chain type elevator, the second Belt Conveying Machine, stokehold feed bin and drag conveyor, molding biomass fuel passes through dolly, the first belt conveyor, bucket chain type elevator Being admitted in the feed bin of stokehold with the second belt conveyor, the molding biomass fuel in the feed bin of stokehold is sent by drag conveyor Enter the feeding mouth of star elephant trunk dispenser, hence in boiler furnace；
Step 4: combustion power generation: the biomass of molding are burnt by the mode combined with grate firing and suspension combustion, burning is produced Raw flue gas and the slag produced in combustion and ash utilize as potash fertilizer raw material after treatment；The part water that boiler produces Steam passes through steam turbine and electrical power generators, and produced electricity is transfused to electrical network.
A kind of straw burning electricity-generating method of the present embodiment, the method can meet the prescription of generating required water, Biomass fuel manufacturing process is simple and convenient, it is possible to realize safe efficient, economic generating.
Schematically being described the present invention and embodiment thereof above, this description does not has restricted, actual side Method is not limited thereto.So, if those of ordinary skill in the art is enlightened by it, without departing from the invention objective In the case of, design the method similar to this technical scheme and embodiment without creative, the protection of the present invention all should be belonged to Scope.

Claims (4)

1. a straw burning electricity-generating method, it is characterised in that: the steps include:
Step one: former water purification: former water sequentially passes through raw water box, raw water pump, quartz filter, activated carbon along water (flow) direction Filter, intermediate water tank, conveying pump, cartridge filter, one-level high-pressure pump, first-stage reverse osmosis system, two grades of high-pressure pumps, two grades anti- After osmosis system, pure water tank and pure water pump, enter in boiler；
Step 2: the molding of biomass fuel: using conveyer that straw is delivered to pulverizer and pulverize, grinding particle size exists Within 1cm, control moisture percentage, 15% ± 2%, adds combustion adjuvant and binding agent, then by feeding in straw after being pulverized Mixed straw is sent in single lead screw ex truding briquetting machine extruded by material machine；
Step 3: the transport of molding biomass fuel: by transporter, molding biomass fuel is sent into boiler furnace；
Step 4: combustion power generation: the biomass of molding are burnt by the mode combined with grate firing and suspension combustion, burning is produced Raw flue gas and the slag produced in combustion and ash utilize as potash fertilizer raw material after treatment；The part water that boiler produces Steam passes through steam turbine and electrical power generators, and produced electricity is transfused to electrical network.
A kind of straw burning electricity-generating method the most according to claim 1, it is characterised in that: described raw water pump and conveying pump It is two to be arranged in parallel.
A kind of straw burning electricity-generating method the most according to claim 1 and 2, it is characterised in that: described conveyer is plate Chain conveyer, described pulverizer is to be provided with pocket type dust suction on twin-roll fly cutter pulverizer, and twin-roll fly cutter pulverizer Device, described single lead screw ex truding briquetting machine uses porous dismountable die head, and described dismountable die head has die head body and embedded extruding Head, the molding biomass fuel prepared is stored in bank, and the pressure of single lead screw ex truding briquetting machine is set as 40-110 MPa so that The volume of the biomass fuel after molding is the 1/9-1/10 of original volume, and the percentage by weight of the combustion adjuvant added accounts for mixed 3 % of the straw weight after conjunction, the percentage by weight of the binding agent added accounts for the 4% of mixed straw weight, combustion adjuvant Concrete composition is 16wt% sodium chloride, 11wt% calcium hydroxide, 41wt% cement, also includes sodium sulfate and ferrous sulfate, sodium sulfate and The total amount of ferrous sulfate accounts for 32wt%, and binding agent is sodium silicate.
A kind of straw burning electricity-generating method the most according to claim 3, it is characterised in that: described transporter includes little Car and the first belt conveyor being sequentially connected with, bucket chain type elevator, the second belt conveyor, stokehold feed bin and scraper plate conveying Machine, molding biomass fuel is admitted to stove by dolly, the first belt conveyor, bucket chain type elevator and the second belt conveyor In front feed bin, the molding biomass fuel in the feed bin of stokehold is admitted to the pan feeding of star elephant trunk dispenser by drag conveyor Mouthful, hence in boiler furnace.
CN201610533044.XA 2016-07-08 2016-07-08 A kind of straw burning electricity-generating method Pending CN106194281A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201610533044.XA CN106194281A (en) 2016-07-08 2016-07-08 A kind of straw burning electricity-generating method

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108034469A (en) * 2017-12-13 2018-05-15 柳州市金升汽车配件有限公司 A kind of Environment-friendlyfuel fuel and preparation method thereof
CN112011380A (en) * 2020-09-01 2020-12-01 山东阳光电力有限公司 Straw combustion power generation process optimization method and matched production line thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103104304A (en) * 2013-01-29 2013-05-15 嘉兴新嘉爱斯热电有限公司 Formed biomass fuel power generation method
CN104226669A (en) * 2013-06-19 2014-12-24 光大生物能源(含山)有限公司 Five-step method for energy-oriented utilization of country straws
CN104226189A (en) * 2013-06-14 2014-12-24 光大生物能源(含山)有限公司 Full-automatic straw biomass particle production line
CN204848516U (en) * 2015-07-03 2015-12-09 深圳恒通源环保科技有限公司 Water purifier and biomass power generation station water supply system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103104304A (en) * 2013-01-29 2013-05-15 嘉兴新嘉爱斯热电有限公司 Formed biomass fuel power generation method
CN104226189A (en) * 2013-06-14 2014-12-24 光大生物能源(含山)有限公司 Full-automatic straw biomass particle production line
CN104226669A (en) * 2013-06-19 2014-12-24 光大生物能源(含山)有限公司 Five-step method for energy-oriented utilization of country straws
CN204848516U (en) * 2015-07-03 2015-12-09 深圳恒通源环保科技有限公司 Water purifier and biomass power generation station water supply system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108034469A (en) * 2017-12-13 2018-05-15 柳州市金升汽车配件有限公司 A kind of Environment-friendlyfuel fuel and preparation method thereof
CN112011380A (en) * 2020-09-01 2020-12-01 山东阳光电力有限公司 Straw combustion power generation process optimization method and matched production line thereof
CN112011380B (en) * 2020-09-01 2021-12-24 山东阳光电力有限公司 Straw combustion power generation optimization process

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