CN107366892A - A kind of novel biomass gasifying steam generator - Google Patents

A kind of novel biomass gasifying steam generator Download PDF

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Publication number
CN107366892A
CN107366892A CN201710660683.7A CN201710660683A CN107366892A CN 107366892 A CN107366892 A CN 107366892A CN 201710660683 A CN201710660683 A CN 201710660683A CN 107366892 A CN107366892 A CN 107366892A
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CN
China
Prior art keywords
steam generator
biomass
combustion chamber
gasification
secondary combustion
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Pending
Application number
CN201710660683.7A
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Chinese (zh)
Inventor
许斌
宋保其
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Liyang Haizhuo Machinery Manufacturing Co Ltd
Nanjing Forestry University
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Liyang Haizhuo Machinery Manufacturing Co Ltd
Nanjing Forestry University
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Application filed by Liyang Haizhuo Machinery Manufacturing Co Ltd, Nanjing Forestry University filed Critical Liyang Haizhuo Machinery Manufacturing Co Ltd
Priority to CN201710660683.7A priority Critical patent/CN107366892A/en
Publication of CN107366892A publication Critical patent/CN107366892A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
    • F22B21/02—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially-straight water tubes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/82—Gas withdrawal means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/003—Feed-water heater systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B90/00—Combustion methods not related to a particular type of apparatus
    • F23B90/04—Combustion methods not related to a particular type of apparatus including secondary combustion
    • F23B90/06—Combustion methods not related to a particular type of apparatus including secondary combustion the primary combustion being a gasification or pyrolysis in a reductive atmosphere
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0916—Biomass
    • C10J2300/092—Wood, cellulose
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
    • C10J2300/1606—Combustion processes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00—Intercepting solids
    • F23J2217/10—Intercepting solids by filters
    • F23J2217/101—Baghouse type
    • 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
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/30—Technologies for a more efficient combustion or heat usage
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Solid-Fuel Combustion (AREA)
  • Gasification And Melting Of Waste (AREA)

Abstract

The present invention is a kind of novel biomass gasifying steam generator, and its structure includes automatic feed system, gasification furnace, secondary combustion chamber, the tubulation that steams, water pre-heating system, bag-type dust；Wherein automatic feed system connection gasification furnace, gasification furnace connecting secondary combustion chamber, secondary combustion chamber connect the tubulation that steams, the tubulation that steams connection water pre-heating system, water pre-heating system connection bag-type dust.Advantage：The present invention proposes that a kind of novel biomass gasifying steam generator is not boiler, burnt using the combustible gas after gasification of biomass to heat numerous tubulations, steam is produced for using, tail gas after burning is again by the preheating cold water in tubulation import, tail gas is cooled again, heat utilization efficiency is high, then passes through cloth bag pulse dust removal, dust in tail gas is further lowered, reaches the requirement of environmental emission；Which overcomes the predicament that enterprise needs steam.

Description

A kind of novel biomass gasifying steam generator
Technical field
The present invention relates to a kind of novel biomass gasifying steam generator, belong to the steaming plant of field of machining.
Background technology
In the stricter provinces and cities of environmental protection requirement, boiler is prohibited to make due to dust and noxious gas emission height With, have to burn using piped gas for this lot of enterprise, or the steam provided using steam power plant, these all increase to enterprise Production cost is added.
And wooden bamboo processing enterprise there are the industrial wood wastes such as a large amount of wood chips, wood shavings and bamboo particle, existing body of heater is such as used Burnt mostly using positive, be exactly that combustion gas is directly up walked, can so make fuel combustion insufficient, it may appear that over-emitting black exhaust is simultaneously taken out of a large amount of Dust, environmental pollution is serious, threatens the living environment of people.It is currently a popular these particles are extruded into particle to burn again, By these particle elder generation extrusion formings, first have to screen, then underproof feed powder is broken, then also dry these particles to containing Water rate is below 16%, and otherwise particle can not be molded or grain type is fluffy, such as wants these processing enterprises to introduce a whole set of and squeezes grain equipment And it is unrealistic, increase writing investment, and it is also most not environmentally friendly after crowded grain after-combustion, and squeeze the electrical power of grain equipment very Greatly, a set of screening, drying, conveying, the minimum power of the miniature complete equipment extruded are about 100 kilowatts or so, and to medium and small enterprise For industry, this is powerful device, and the non-firm power of many enterprises does not reach, it is necessary to which dilatation, if wanting dilatation, enterprise is again A fortune is invested, many enterprises are had no ability to undertake, and selection is stopped production or closed, then is said, combustion extrusion particle adds many Equipment, artificial and electric energy consumption, unnecessary expenditures are added for enterprise, are not most economical environmentally friendly.
In order to solve these problems, and the steam needed, Nanjing Forestry University and Liyang City sea assistant machinery are provided for factory A kind of Novel gasification combustion apparatus suitable for middle-size and small-size bamboo and wood processing enterprise of Manufacturing Co., Ltd's R ＆ D Cooperation, it is this new to set The crushed biomass such as bamboo and wood are sent into gasification combustion furnace and first carry out cracking reaction, gas by standby operation principle by conveying worm Change central temperature in stove and be up to more than 1200 DEG C, rapid cleavage reacts particle biomass at this high temperature, and primary product is CO、CH4、C2H2、H2And other hydro carbons, the fuel gas of these high heating values enter secondary combustion chamber under blower fan draft effect Carry out fully burning and the tubulation to being filled with water heats, then produce steam supply user.It is big by the high temperature hot gas stream of tubulation room Partial heat is absorbed by the water in tubulation, and the tubulation case that a small amount of waste heat is intake again absorbs, and subsequent thermal current enters cloth Bag dust collector dedusting, is then drained into air.Equipment includes：Automatic feed system, gasification furnace, secondary combustion chamber, the tubulation that steams, Water pre-heating system, bag-type dust, particle drying plant can be alternately.
The novel biomass gasifying steam generator is not being explained as follows for boiler：
（1）Pressure vessel will meet following condition simultaneously：
A, pressure is more than or equal to 0.1MPa；
B, interior diameter is more than or equal to 15cm, and volume is more than or equal to 0.025 cube.Operating pressure and the product of volume are more than etc. In 2.5MPaL；
C, medium is gas, liquid；
The novel biomass caliber in steam generator that steams is up to 10cm, much smaller than regulation 15cm；
（2）The regulation of boiler：Container (furnace tube) volume is more than or equal to 30 liters；The pipe of novel biomass gasifying steam generator Volume only has 15 liters or so, much smaller than setting.
In summary, the non-boiler plant of the steam generator.
Crushed biomass of the moisture content less than 20% is sent into gasification combustion furnace by conveying worm first and cracked React, central temperature is up to more than 1200 DEG C in gasification furnace, and rapid cleavage reacts particle biomass at this high temperature, mainly Product is CO, CH4、C2H2、H2And other hydro carbons；
Then the fuel gas of these high heating values enters secondary combustion chamber under blower fan draft effect and fully burnt.Produce Substantial amounts of heat, these heats enter in the tubulation room being filled with water, and tubulation is heated, and then produce steam supply user.Pass through tubulation The high temperature hot gas stream major part heat of room is absorbed by the water in tubulation, and the tubulation case of a small amount of waste heat healed water again is inhaled Receive, subsequent thermal current enters sack cleaner dedusting, then drained into air.
Using this technology by gasification of biomass, and steam being produced by tubulation, this combustion system burning is abundant, By numerous small diameter grade tubulations, high-temperature steam is produced, thermal conversion efficiency is high.Tail gas after burning again by tubulation water inlet at, First by the cool water heating in tubulation to certain temperature, and the tail gas of burning and exhausting is cooled, further increase the utilization of heat Rate.Again by cloth bag pulse dust removal, dust in tail gas is further lowered, reaches the requirement of environmental emission.The processing of timber bamboo The direct utilization of residue, reduce the environmental pollution of enterprise, while provide required thermal source, material again for the production of factory Source is also sustainable, and the good thing benefited the nation and the people.
The content of the invention
Proposed by the present invention is a kind of novel biomass gasifying steam generator, and its purpose is intended to after utilizing gasification of biomass Heat tubulation and produce steam, tail gas after burning again by tubulation water inlet at, first by the cool water heating in tubulation to certain temperature Degree, and the tail gas of burning and exhausting is cooled, further increase the utilization rate of heat.Again by cloth bag pulse dust removal, by tail gas Dust further lowers, and reaches the requirement of environmental emission.Overcoming enterprise needs steam, and using for government's limitation boiler is tired Border.
The technical solution of the present invention：A kind of novel biomass gasifying steam generator, including following equipment：Automatically enter Material system, gasification furnace, secondary combustion chamber, the tubulation that steams, water pre-heating system and bag-type dust.If biomass is moist, also need There is drying plant.
The present invention has the advantage that：（1）Fuel range is wide, such as the industrial wood waste of bamboo grove processing factory, agricultural crop straw etc.. （2）Particle first gasifies, and gasification, and combustion temperature is high, and flue dust is few more than directly burning, very environmentally friendly.（3）Equipment investment is few, with letter It is single.（4）Raw material digest on the spot, without being compressed into particle, save electric energy and labour.（5）It is not boiler, but steaming can be produced Vapour is for using.The pressure limit 0.5-1.5MPa of steam.（6）Detection through Environmental Protection Agency of Liyang City, the results showed that the equipment compares Environmental protection.
Steam production is relevant with combustion intensity with heating surface area, and the big steam production of heating surface area of tubulation can increase.The spy of fire grate Different part is that fire grate is mixed by refractory material and steel, and amount of stored heat is big, and fire grate temperature is high, and biomass is easily reacted on fire grate, There is combustible gas burning in dual firing chamber；There is no combustion space in tubulation, it is impossible to normal combustion.
Brief description of the drawings
Fig. 1 is the structural representation of novel biomass gasifying steam generator.
Fig. 2 is gasification of biomass and the structural representation to burn.
Fig. 3 is tubulation layout drawing.
It is respectively from left to right in Fig. 1：Automatic feed system, gasification furnace, secondary combustion chamber, the tubulation that steams, water preheating system System, bag-type dust.
Embodiment
A kind of novel biomass gasifying steam generator, its feature include automatic feed system, gasification furnace, second-time burning Room, the tubulation that steams, water pre-heating system, bag-type dust:Wherein automatic feed system connection gasification furnace, the burning of gasification furnace connecting secondary Room, secondary combustion chamber connect the tubulation that steams, the tubulation that steams connection water pre-heating system, water pre-heating system connection bag-type dust.
Described automatic feed system, particle is first passed through into screening net and put into feed bin, then passes through spiral conveyer Particle is sent in follow-up gasification furnace, the spiral conveyer controls inlet amount according to the needs subsequently to gasify.
Described gasification furnace, particle is first subjected to cracking reaction in gasification combustion furnace, fallen on the special fire grate of gasification furnace, should Fire grate is mixed by refractory material and steel, and amount of stored heat is big, and fire grate temperature is high, and biomass is easily reacted on fire grate.Biomass exists Height in stove is less than 30mm.Central temperature is up to more than 1200 DEG C in gasification furnace, and biomass is quick at this high temperature Cracking reaction, primary product CO, CH4 、C2H2、H2And the fuel gas such as other hydro carbons.
Described secondary combustion chamber, fuel gas enter secondary combustion chamber under blower fan draft effect and fully burnt Produce heat.
The described tubulation that steams, the heat in secondary combustion chamber are heated to 60-100 tubulation being filled with water, produced in tubulation Steam supplies user, and the tubulation is made up of height 1000-1100mm seamless steel pipes, a diameter of 70-100mm.
Described water pre-heating system, absorbed by most of heat in the high temperature hot gas stream of tubulation room by the water in tubulation Produce steam, a small amount of waste heat absorbs by tubulation water inlet again, the temperature of the air-flow so flowed out can be reduced to 100 DEG C with Under.
Described bag-type dust, using pulse dust removal principle；By hot gas in secondary combustion chamber in heating tubulation and by tubulation After absorbing heat at water inlet, by bag-type dust, the dust content in discharge furnace gas is reduced.
Fuel can be timber, bamboo wood, shrub, reed or agricultural crop straw and other containing wood-fibred biomass； It is required that its moisture content is less than 20%.
When biological material moisture content is more than more than 20%, a roller drier is matched somebody with somebody before automatic feed system.
Embodiment 1, steam 1 ton of novel biomass gasifying steam generator per hour, major part composition：
（1）A diameter of 200mm of auger conveyor, the rated power of motor is 1.5kw；
（2）Minister 860mm in gasification furnace, wide 860mm, high 1380mm；
（3）Tubulation diameter 70mm, length 1000mm, quantity 77；
（4）Water pre-heating system pump power is 0.75kw；
（5）Sack cleaner long 1400mm, wide 1000mm, high 2900mm.
Embodiment 2, steam 2 tons of novel biomass gasifying steam generator per hour, major part composition：
（1）A diameter of 300mm of auger conveyor, power of motor 2.2kw；
（2）Minister 400mm in gasification furnace, wide 1200mm, high 1700mm；
（3）Tubulation diameter 80mm, long 1500mm, quantity 90；
（4）Water pre-heating system pump power is 1.1kw；
（5）Deduster long 2000mm, wide 1600mm, high 3000mm.

Claims (9)

1.一种新型生物质气化蒸汽发生器，其特征包括自动进料系统、气化炉、二次燃烧室、产汽列管、水预热系统、布袋除尘：其中自动进料系统连接气化炉，气化炉连接二次燃烧室，二次燃烧室连接产汽列管，产汽列管连接水预热系统，水预热系统连接布袋除尘。1. A new type of steam generator for biomass gasification, its features include automatic feeding system, gasifier, secondary combustion chamber, steam production tubes, water preheating system, bag dust removal: the automatic feeding system is connected to the gas The furnace and the gasifier are connected to the secondary combustion chamber, the secondary combustion chamber is connected to the steam production tube, the steam production tube is connected to the water preheating system, and the water preheating system is connected to the bag dust collector. 2.根据权利要求1所述的一种新型生物质气化蒸汽发生器，其特征是所述的自动进料系统，将碎料先通过筛选网投入到料仓中，然后通过螺旋运输机将碎料送到后续的气化炉中，该螺旋运输机根据后续气化的需要来控制进料量。2. A new type of biomass gasification steam generator according to claim 1, characterized in that the automatic feeding system puts the crushed materials into the feed bin through the screen, and then puts the crushed materials through the screw conveyor. The feed is sent to the subsequent gasifier, and the screw conveyor controls the amount of feed according to the needs of the subsequent gasification. 3.根据权利要求1所述的一种新型生物质气化蒸汽发生器，其特征是所述的气化炉，气化燃烧炉中先将碎料进行裂解反应，落在气化炉特制炉排上，该炉排由耐火材料与钢材混合制成，蓄热量大，炉排温度高，炉排上生物质易反应；生物质在炉内的高度要小于30mm；气化炉内中心温度高达1200℃以上，生物质在这样的高温下快速裂解反应，主要产物为CO、CH4 、C2H2、H2及其它烃类等可燃气体。3. A new type of biomass gasification steam generator according to claim 1, characterized in that in the gasification furnace, the scrap is first subjected to cracking reaction in the gasification combustion furnace, and then falls on the special furnace of the gasification furnace. On the grate, the grate is made of a mixture of refractory materials and steel, with large heat storage, high grate temperature, and biomass on the grate is easy to react; the height of the biomass in the furnace should be less than 30mm; the central temperature of the gasifier is as high as Above 1200°C, biomass reacts rapidly at such a high temperature, and the main products are combustible gases such as CO, CH 4 , C 2 H 2 , H 2 and other hydrocarbons. 4.根据权利要求1所述的一种新型生物质气化蒸汽发生器，其特征是所述的二次燃烧室，可燃气体在风机抽力作用下进入到二次燃烧室进行充分燃烧产生热量。4. A novel biomass gasification steam generator according to claim 1, characterized in that in the secondary combustion chamber, the combustible gas enters into the secondary combustion chamber under the action of the draft force of the fan for full combustion to generate heat . 5.根据权利要求1所述的一种新型生物质气化蒸汽发生器，其特征是所述的产汽列管，二次燃烧室中的热量对盛水的60-100个列管加热，列管中产生蒸汽供给用户，该列管由高度1000-1100mm无缝钢管构成，直径为70-100mm。5. A kind of novel biomass gasification steam generator according to claim 1, it is characterized in that described steam production tubes, the heat in the secondary combustion chamber heats 60-100 tubes containing water, The steam generated in the tubes is supplied to users. The tubes are composed of seamless steel pipes with a height of 1000-1100mm and a diameter of 70-100mm. 6.根据权利要求1所述的一种新型生物质气化蒸汽发生器，其特征是所述的水预热系统，通过列管室的高温热气流中大部分热量被列管中的水所吸收产生蒸汽，少量余热再次被列管进水口所吸收，这样流出的气流的温度可以降低到100℃以下。6. A new biomass gasification steam generator according to claim 1, characterized in that in the water preheating system, most of the heat in the high-temperature hot air passing through the tube chamber is absorbed by the water in the tubes. Absorption produces steam, and a small amount of waste heat is absorbed by the water inlet of the tubes again, so that the temperature of the outflow airflow can be reduced to below 100°C. 7.根据权利要求1所述的一种新型生物质气化蒸汽发生器，其特征是所述的布袋除尘，采用脉冲除尘原理；将二次燃烧室中热气在加热列管并被列管进水处吸收热量后，通过布袋除尘，降低排出炉气中的粉尘含量。7. A new type of biomass gasification steam generator according to claim 1, characterized in that the bag dust removal adopts the principle of pulse dust removal; the hot gas in the secondary combustion chamber is heated and fed into the tubes After the water absorbs the heat, the dust is removed through the cloth bag to reduce the dust content in the exhausted furnace gas. 8.根据权利要求1所述的一种新型生物质气化蒸汽发生器，其特征是燃料可以是木材、竹材、灌木类、芦苇或农作物秸秆以及其它含有木纤维生物质；要求其含水率小于20%。8. A new type of biomass gasification steam generator according to claim 1, characterized in that the fuel can be wood, bamboo, shrubs, reeds or crop straws and other biomass containing wood fibers; the moisture content is required to be less than 20%. 9.根据权利要求1所述的一种新型生物质气化蒸汽发生器，其特征是当生物质材料含水率大于20%以上时，在自动进料系统前配一滚筒干燥机。9. A new biomass gasification steam generator according to claim 1, characterized in that when the moisture content of the biomass material is greater than 20%, a drum dryer is equipped before the automatic feeding system.
CN201710660683.7A 2017-08-04 2017-08-04 A kind of novel biomass gasifying steam generator Pending CN107366892A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN118912478A (en) * 2024-09-12 2024-11-08 合肥工业大学 Biomass energy and heat combined production and storage coupling system

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