CN105505469B - One kind of fixed-bed gasification suction means and steam power generation process at - Google Patents

One kind of fixed-bed gasification suction means and steam power generation process at Download PDF

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CN105505469B
CN105505469B CN 201610055020 CN201610055020A CN105505469B CN 105505469 B CN105505469 B CN 105505469B CN 201610055020 CN201610055020 CN 201610055020 CN 201610055020 A CN201610055020 A CN 201610055020A CN 105505469 B CN105505469 B CN 105505469B
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gas
gasification
combustion
furnace
power generation
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CN105505469A (en )
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张齐生
张守军
周建斌
鲁万宝
赵成武
张守峰
冯干
吴银龙
李益瑞
胡鹏
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合肥德博生物能源科技有限公司
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    • 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
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Abstract

本发明提供一种下吸式固定床气化蒸汽发电联产装置,包括:气化系统、发电系统,所述发电系统由气化系统带动工作,所述发电系统包括燃气燃烧室,燃气燃烧室连接有热解燃气风机、气化燃气风机,脱硫室内设有空气预热器、锅炉受热面,脱硫室顶部连接有尾气处理装置,中间炉体经管道与汽轮机的低压缸相连接,汽轮机上安装有发电机。 The present invention provides a downdraft fixed-bed gasification under steam power generation apparatus, comprising: a gasification system, a power generation system, a power generation system driven by the work of gasification system, a power generation system includes a gas combustion, combustion gas fan connected to the pyrolysis gas, gasification gas turbine, an air preheater desulfurization chamber, heating surface, the top of the desulfurization chamber connected to the exhaust gas treatment apparatus, the furnace via the intermediate pipe and the low-pressure cylinder is connected to the steam turbine, the turbine is mounted a generator. 本发明生物质热解燃气化生物质炭电联产是基于生物质可燃组分由挥发分和固定碳两部分组成的特点,采用解耦反应方式,生物质中的固定碳转化成为具备高效脱硫性质的含氮活性炭,挥发分转化成为热解燃气和气化燃气进而燃烧获得电能,利用热解燃气中的高分子焦油消减燃气燃烧时产生的氮氧化物,实现,实现燃烧尾气清洁排放。 Biomass pyrolysis gas cogeneration metaplasia carbon material of the present invention is based on the characteristics of the biomass combustible component consists of two parts consisting of fixed carbon and volatile matter, using the reaction decoupled manner, the biomass converted to fixed carbon with efficient desulfurization properties of activated Carbon nitrogen, transformed into volatile pyrolysis gas and gasification gas and thus the combustion energy obtained by polymer pyrolysis tar reduction of nitrogen oxides in the combustion gas produced when gas combustion, to achieve to achieve clean combustion exhaust emissions.

Description

一种下吸式固定床气化蒸汽发电联产装置及工艺 One kind of fixed-bed gasification suction means and steam power generation process at

技术领域 FIELD

[0001]本发明涉及生物质利用技术领域,具体为一种下吸式固定床气化蒸汽发电联产装置及工艺。 [0001] The present invention relates to the field of biomass utilization technologies, in particular to a downdraft fixed-bed gasification apparatus and process steam power generation.

背景技术 Background technique

[0002]随着全球能源与环境问题的日益凸显,新能源开发成为一项迫切的任务。 [0002] With the increasingly prominent global energy and environmental issues, new energy development has become an urgent task. 生物质能源具有资源丰富、可转换为清洁燃料、是唯一可存储和运输的可再生能源、也是唯一可再生炭源等显著特点,在满足未来社会能源需求,推动社会可持续发展等方面将发挥重要作用。 Biomass energy has rich resources, can be converted to clean fuel, is the only storage and transport of renewable energy is the only renewable source of carbon and other notable features, will play in meeting future energy needs of society and promote social sustainable development an important role. 生物质具体的种类很多,主要指木材、农作物(稻秆、稻草、麦秆、豆秆、棉花秆、谷壳等)、 杂草、藻类等。 Many specific types of biomass, mainly refers to wood, crops (rice straw, rice straw, wheat straw, bean straw, cotton stalks, rice husks, etc.), weeds, algae and so on. 我国的生物质能也极为丰富,可开发为能源的生物质资源达3亿多吨标煤,而随着农业和林业的发展,特别是随着速生炭薪林的开发推广,我国的生物质资源将越来越多,有非常大的开发和利用潜力。 The country is also rich in biomass, energy can be developed for the biomass resources of over 300 million tons of standard coal, and with the development of agriculture and forestry, especially with the development and promotion of fast-growing forest carbon salary, our biomass resources will be more and more, there is a very large potential for development and utilization.

[0003] 我国生物质以秸秆类、谷壳和林业废弃物为主,现有的生物质发电方式主要有气化内燃发电机组发电和直燃发电两种,气化发电规模较小,难以实现大规模工业化应用,直燃发电规模相对较大,燃料运输半径大,燃料成本高,未能对生物质原料进行综合利用,现有的生物质直燃电厂大多处于关停或亏损状态,且两种生物质发电技术其二氧化硫和氮氧化物排放量高,造成二次污染。 [0003] of biomass straw, chaff and forestry wastes based mainly in the gasification power generation engine-generator sets and two prior direct combustion of biomass power generation, small-scale gasification power generation, it is difficult to achieve large-scale industrial applications, relatively large-scale direct-fired power generation, fuel transport large radius, high fuel costs, failure to carry out comprehensive utilization of biomass feedstocks, existing biomass-fired power plants mostly in the shutdown or loss, and two kinds of raw materials of high technology which sulfur dioxide and nitrogen oxide emissions in power generation, resulting in secondary pollution. 本发明生物质热解燃气化生物质炭电联产是基于生物质可燃组分由挥发分和固定碳两部分组成的特点,采用解耦反应方式,生物质中的固定碳转化成为具备高效脱硫性质的含氮活性炭,挥发分转化成为热解燃气和气化燃气进而燃烧获得电能,利用热解燃气中的高分子焦油消减燃气燃烧时产生的氮氧化物,实现,实现燃烧尾气清洁排放。 Biomass pyrolysis gas cogeneration metaplasia carbon material of the present invention is based on the characteristics of the biomass combustible component consists of two parts consisting of fixed carbon and volatile matter, using the reaction decoupled manner, the biomass converted to fixed carbon with efficient desulfurization properties of activated Carbon nitrogen, transformed into volatile pyrolysis gas and gasification gas and thus the combustion energy obtained by polymer pyrolysis tar reduction of nitrogen oxides in the combustion gas produced when gas combustion, to achieve to achieve clean combustion exhaust emissions.

发明内容 SUMMARY

[0004] 本发明所解决的技术问题在于提供一种下吸式固定床气化蒸汽发电联产装置及工艺,以解决上述背景技术中的问题。 [0004] The technical problem solved by the present invention is to provide a downdraft fixed-bed gasification and steam power generation apparatus under process, in order to solve the above problems of the background art.

[0005] 本发明所解决的技术问题采用以下技术方案来实现:一种下吸式固定床气化蒸汽发电联产装置,包括:气化系统、发电系统,所述发电系统由气化系统带动工作,所述气化系统包括炉顶、中间炉体、下炉体,所述中间炉体安装在下炉体上,下炉体安装在底座上,中间炉体上安装有炉顶,所述炉顶上安装有加料装置、一次风口,中间炉体一侧设有二次风口、 另一侧设有热解燃气出口,中间炉体内设有主轴,主轴上端连接于动力装置、下端安装有拨料器,拨料器下侧的下炉体内设有炉排,炉排通过炉排支撑安装在下炉体内,下炉体底端安装有出炭装置,所述热解燃气出口通过热解燃气风机连接于发电系统,所述下炉体一侧设有气化燃气出口,气化燃气出口通过旋风分离器连接于气化燃气风机,气化燃气风机连接于发电系统。 [0005] The technical problem solved by the present invention is achieved by the following technical solutions: one kind downdraft fixed-bed gasification under steam power generation apparatus, comprising: a gasification system, a power generation system, a power generation system is driven by a gasification system work, the gasification system comprises a roof, an intermediate furnace, the furnace, the furnace is mounted on the intermediate lower furnace, the furnace is mounted on the base, is mounted on the intermediate furnace roof, the furnace surmounted by a charging device, the primary tuyere, a side of the furnace body is provided with an intermediate secondary tuyere, with the other side of the pyrolysis gas outlet, the furnace body is provided with an intermediate shaft, the upper end of the spindle is connected to the power means, the lower end mounted repellent material , a lower side of the lower furnace body is provided with dial feeder grate, grate furnace body through the grate mounted on the lower support, at a bottom end attached to a charcoal furnace apparatus, the pyrolysis gas outlet connected by pyrolysis gas blower the power generation system, with the lower side of the gasification furnace gas outlet, the gas outlet of the gasifier is connected to the gasification gas by a cyclone fan, connected to the gasification gas turbine power generation system.

[0006] 所述发电系统包括燃气燃烧室,燃气燃烧室连接有热解燃气风机、气化燃气风机, 旋风分离器底部排炭口经管道与脱硫室和炭输送风机的进口相连接,脱硫室内设有空气预热器、锅炉受热面,脱硫室顶部连接有尾气处理装置,中间炉体经管道与汽轮机的低压缸相连接,中间炉体与汽轮机低压缸之间的管道上设有与此管道相连接的氨气装置,汽轮机上安装有发电机。 [0006] The power generation system includes a gas combustion, combustion gas fan connected to the pyrolysis gas, gasification gas turbine, bottom of the cyclone through the exhaust port carbon desulfurization chamber and the inlet conduit and charcoal delivery fan is connected to the indoor desulfurization an air preheater, the boiler heating surface, the top of the desulfurization chamber connected to the exhaust gas treatment apparatus, the furnace via the intermediate pipe and the low-pressure cylinder is connected to the steam turbine, this pipe is provided on the intermediate pipe between the furnace body and for steam turbine means connected to the ammonia, a generator mounted on the turbine.

[0007] 所述空气预热器上连接有鼓风机、锅炉受热面上连接有给水装置。 [0007] The blower connected to the air preheater, the boiler heating surface is connected with a water supply means.

[0008] 所述炉排一侧通过小齿轮连接有驱动电机。 [0008] The side of the grate via a pinion connected to a drive motor.

[0009] 一种基于下吸式固定床气化蒸汽发电联产装置的生产工艺,其特征在于:包括以下步骤: [0009] Based on the production process downdraft fixed-bed gasification steam power generation apparatus, characterized by: comprising the steps of:

[0010] a)生物质原料由加料装置从炉顶加入,原料气化所需的一次风由一次风口被吸入,生物质原料在中间炉体内高温物料的辐射作用下与空气发生热解燃气化反应,生成含较高焦油含量的生物质高温热解燃气和生物炭,高温热解燃气被热解燃气风机由气化炉中部抽出送到燃气燃烧室燃烧。 [0010] a) by the addition of biomass feedstock feeding means from the roof, the primary air required for the gasification raw material is drawn from the primary tuyere, the biomass feedstock of the pyrolysis gas with air at a high temperature radiation intermediate material in the furnace body the reaction to produce the high-temperature pyrolysis of biomass and biological gas containing char higher tar, pyrolysis gas is a pyrolysis gas turbine to the gas withdrawn from the middle to the gasifier combustion chamber. 用于生物炭活化的二次风和携带氨气的水蒸气由中间炉体进入,与生物炭反应得到具备脱硫特性的含氮活性炭和气化燃气,由气化炉下部抽出的气化燃气携带粉状的含氮活性炭在旋风分离器内实现气固分离,气化燃气由燃气风机送至燃气燃烧室燃烧;粉状含氮活性炭被送至脱硫室用于燃气燃烧室内燃气燃烧后尾气的脱硫,块状含氮活性炭通过气化炉底部的出炭装置排出; Biochar steam activation for secondary air and ammonia gas is carried into the furnace by an intermediate, biochar reacted with the activated carbon and the nitrogen-containing gas gasifier provided desulfurization characteristics, extracted from the lower portion gasifier gasification gas carrying powder form a nitrogen-containing activated carbon achieved in the gas-solid separation cyclone, the gas supplied to the gasification gas from the gas turbine combustion chamber; powdered activated carbon nitrogen-containing gas is supplied to the combustion chamber for the desulfurized gas chamber after combustion exhaust gas desulfurization a nitrogen-containing activated carbon block means is discharged through the bottom of the gasifier;

[0011] (2)高温气化燃气由燃气燃烧室顶部进入,与经空气预热器预热后的空气混合后进行燃烧,通过控制空气给入量,实现燃气燃烧室上部燃烧区为还原性氛围,抑制氮氧化物生成,同时在燃气燃烧室中部喷入经空气预热器预热后的空气,实现燃气燃烧室内燃气完全燃尽且保持一定的含氧量,燃气燃烧室的下部喷入含有高分子焦油的高温热解燃气,利用高分子焦油的还原性实现烟气中氮氧化物还原; [0011] (2) a high temperature gasification gas from the top gas entering the combustion chamber, and the air mixing carried out after the combustion air preheater, by controlling the intake of air to achieve the combustion gas of the combustion chamber upper portion of a reducing zone atmosphere, to suppress generation of nitrogen oxides, while the air injected through the air preheater combustion chamber in the middle of the gas, the gas in the combustion chamber to achieve complete consumption of gas and to maintain a certain oxygen content, the lower portion of the gas injected into the combustion chamber high temperature thermal tar-containing polymer solution gas, reducing the use of polymer to achieve the flue gas in the tar reducing nitrogen oxides;

[0012] (3)燃气燃烧室内产生的高温烟气依次通过锅炉受热面、空气预热器后进入脱硫室,通过锅炉受热面产生过热蒸汽,过热蒸汽进入汽轮机做功发电,部分做功后的蒸汽由汽轮机的低压缸引出并与氨气装置提供的氨气掺混后送入中间炉体进行生物炭活化; High temperature flue gas [0012] (3) Gas generated in the combustion chamber passes through the boiler heating surface, the air preheater into the desulfurization chamber, superheated steam produced by the boiler heating surface, superheated steam enters the steam turbine to generate power, steam from the rear part of the work turbine low pressure cylinder and the extraction of ammonia to the ammonia gas supplied into the apparatus after intermediate blending furnace biological activated charcoal;

[0013] (4)进入脱硫室中的烟气与粉状含氮活性炭掺混,烟气中的二氧化硫被活性炭吸附氧化,从烟气中脱除,粉状活性炭和烟气中的灰尘被尾气处理单元去除后排放,烟气实现达标排放。 [0013] (4) into the flue gas desulfurization chamber blended with powdered activated carbon nitrogen-containing, sulfur dioxide in the flue gas is oxidized activated carbon adsorption, removal from flue gases, and powdered activated carbon in the flue gas exhaust dust is after removal of the exhaust processing unit, the flue gas discharge standards.

[0014] 所述生物质与氨气的质量比例为100〜500kg/kg。 [0014] The mass ratio of the raw material and ammonia gas was 100~500kg / kg. 所述脱硫室温度为80〜200°C。 The desulfurization chamber temperature 80~200 ° C. 所述热解燃气的出口温度为200〜400°C,气化燃气出口温度为400〜600°C。 The pyrolysis gas outlet temperature of 200~400 ° C, the outlet temperature of the gasification gas 400~600 ° C. 所述燃气燃烧炉内温度为700-1300°C,气化燃气和热解燃气的质量比例为0.5〜3kg/kg。 The combustion gas temperature in the furnace is 700-1300 ° C, the mass ratio of the gasification and pyrolysis gas the gas is 0.5~3kg / kg.

[0015]与已公开技术相比,本发明存在以下优点: [0015] Compared with the disclosed technique, the present invention has the following advantages:

[0016]本发明生物质热解燃气化生物质炭电联产是基于生物质可燃组分由挥发分和固定碳两部分组成的特点,采用解耦反应方式,生物质中的固定碳转化成为具备高效脱硫性质的含氮活性炭,挥发分转化成为热解燃气和气化燃气进而燃烧获得电能,利用热解燃气中的高分子焦油消减燃气燃烧时产生的氮氧化物,实现,实现燃烧尾气清洁排放。 [0016] The pyrolysis gas cogeneration metaplasia carbon raw material substance of the present invention is based on the characteristics of the biomass combustible component consists of two parts consisting of fixed carbon and volatile matter, using the reaction decoupled manner, the biomass converted to fixed carbon efficient desulfurization properties comprising a nitrogen-containing activated carbon, transformed into volatile pyrolysis gas and gasification gas and thus the combustion energy obtained by polymer pyrolysis tar reduction of nitrogen oxides in the combustion gas produced when gas combustion, to achieve to achieve clean emissions combustion exhaust gas .

[0017] 本发明将生物质发电和活性炭生产有机的结合在一起,实现将废弃的农林废弃物生物质资源在一个系统中高效转化为电力和活性炭,大大的增加了生物质的利用价值,提高企业的经济效益,降低企业的投资成本。 [0017] The present invention is the production of biomass power generation and organic combination of activated carbon to achieve the waste forestry waste biomass resources in a system efficiently into electricity and activated carbon, greatly increase the utility value of biomass, improved economic efficiency of enterprises, reduce investment costs.

[0018] 本发明将生物质气化后的燃气分为气化燃气和热解燃气,采用分级配送的低氮燃烧技术,利用热解燃气含有高分子焦油的较强的还原作用,实现生物质燃气燃烧后尾气中氮氧化物的低排放,由于采用氨气和水蒸气共同活化,在形成含有碳-氮(CN)网状官能团的含氮活性炭,同时采用气化系统产生的含氮活性炭用于尾气的脱硫,利用二氧化硫在含氮活性炭催化作用下发生(S〇2+H20+〇2 = H2S〇4)的反应,形成硫酸液滴,进而被活性炭中微孔吸附去除,实现生物质燃气燃烧后尾气中二氧化硫的低排放,无需额外增加脱硫和脱硝设备,大大减少了应用企业的运行成本和投资。 [0018] The present invention is a gas into the gasification of biomass pyrolysis gas and gasification gas, using a strong reduction of fractionation and distribution technology for low NOX combustion, pyrolysis gas using the tar-containing polymer, to achieve biomass low emissions combustion exhaust gas in the nitrogen oxides, ammonia and water vapor due to the use of a common activation, the formation of a carbon-containing - nitrogen (CN) a nitrogen-containing functional group is a mesh activated carbon, while nitrogen-containing activated carbon produced by the gasification system desulfurizing exhaust gas, the use of sulfur dioxide, the reaction occurs at a nitrogen-containing activated charcoal catalysis (S〇2 + H20 + = H2S〇4 〇2) to form sulfuric acid droplets, and thus activated carbon microporous adsorbent is removed, to achieve biomass combustion gas low emission of sulfur dioxide in the exhaust gas, without additional desulfurization and denitration equipment, greatly reducing operating costs and investment in enterprise applications.

[0019] 本发明采用生物质气化技术和稳定的锅炉汽轮机发电工艺,大大提高了系统运行的稳定性。 [0019] The present invention employs a boiler steam turbine power generation process biomass gasification technology and stability, greatly improving the stability of system operation.

附图说明 BRIEF DESCRIPTION

[0020] 图1为本发明的结构示意图。 [0020] FIG. 1 is a schematic structural diagram of the present invention.

[0021] 图中:1、气化系统,101、加料装置,102、一次风口,103、炉顶,104、主轴,105、拨料器,106、二次风口,107、中间炉体,108、炉排,109、炉排支撑,110、下炉体,111、出炭装置, 112、热解燃气出口,113、热解燃气风机,114、气化燃气出口,115、旋风分离器,116、小齿轮, 117、炭输送风机,118、气化燃气风机,2、发电系统,201、燃气燃烧室,202、脱硫室,203、空气预热器,204、锅炉受热面,205、尾气处理单元,206、鼓风机,207、给水装置,208、氨气装置, 209、汽轮机,210、发电机。 [0021] FIG: 1, the gasification system 101, charging means 102, a tuyere, 103, top 104, spindle 105, dial feeder 106, the second outlet 107, an intermediate furnace, 108 , grate, 109, the support grate, 110, the lower furnace body 111, a charcoal apparatus 112, pyrolysis gas outlet, 113, pyrolysis gas turbine, 114, producer gas outlet 115, a cyclone 116 pinion 117, the delivery fan charcoal, 118, producer gas turbine 2, the power generation system 201, a gas combustion chamber 202, the desulfurizing chamber 203, air preheater 204, heating surface 205, the exhaust gas treatment unit 206, the blower 207, the water supply means 208, means of ammonia, 209, turbine 210, generator.

具体实施方式 detailed description

[0022]为了使本发明的技术手段、创作特征、工作流程、使用方法达成目的与功效易于明白了解,下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述, 显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。 [0022] In order to make the technical means of the present invention, authoring features, workflows, using the method to achieve the purpose and effect readily apparent understood in conjunction with embodiments of the invention following, technical solutions of embodiments of the present invention will be clearly and completely described in, obviously, the described embodiments are merely part of embodiments of the present invention rather than all embodiments. 基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。 Based on the embodiments of the present invention, all other embodiments of ordinary skill in the art without any creative effort shall fall within the scope of the present invention.

[0023]如图1所示,一种下吸式固定床气化蒸汽发电联产装置,包括:气化系统1、发电系统2,所述发电系统2由气化系统1带动工作,所述气化系统1包括炉顶103、中间炉体107、下炉体110,所述中间炉体107安装在下炉体110上,下炉体110安装在底座上,中间炉体1〇7上安装有炉顶103,所述炉顶103上安装有加料装置101、一次风口102,中间炉体107—侧设有二次风口106、另一侧设有热解燃气出口112,中间炉体107内设有主轴104,主轴104上端连接于动力装置、下端安装有拨料器1 〇5,拨料器105下侧的下炉体110内设有炉排108,炉排108通过炉排支撑109安装在下炉体110内,下炉体110底端安装有出炭装置111,所述热解燃气出口112通过热解燃气风机113连接于发电系统2,所述下炉体110—侧设有气化燃气出口114,气化燃气出口114通过旋风分离器115连接于气化燃气风机118,气化燃气风机118连接于发电 [0023] 1 A downdraft fixed-bed gasification under steam power generation apparatus, comprising: a gasification system 1, power generation system 2, the power generating system 2 to drive the gasification system 1 operates, the the gasification system 1 comprises a top 103, middle furnace 107, the furnace 110, the furnace 107 is mounted on the lower intermediate furnace 110, the furnace 110 is mounted on the base, is mounted on an intermediate furnace 1〇7 roof 103, the roof 103 is mounted on the charging device 101 has a primary outlet 102, the second side is provided with an intermediate furnace tuyere 107- 106, with the other side of the pyrolysis gas outlet 112, an intermediate furnace site 107 a spindle 104, the upper end of the spindle 104 is connected to the power means is attached to the lower end of the feeder 1 〇5 dial, dial 105 side of the lower feeder 110 equipped with a grate furnace body 108, 108 supported by a grate 109 attached to the lower grate the furnace 110, the furnace bottom 110 is attached to the carbon apparatus 111, the outlet 112 of the pyrolysis gas by pyrolysis gas turbine power generation system 113 is connected to 2, the lower side is provided with a gasification furnace gas 110- outlet 114, outlet 114 gasification gas by a cyclone gasifier 115 is connected to the gas turbine 118, the fan 118 is connected to a vaporized gas generation 系统2。 System 2.

[0024]所述发电系统2包括燃气燃烧室201,燃气燃烧室201连接有热解燃气风机113、气化燃气风机118,旋风分离器115底部排炭口经管道与脱硫室202和炭输送风机117的进口相连接,脱硫室202内设有空气预热器2〇3、锅炉受热面2〇4,脱硫室202顶部连接有尾气处理装置205,中间炉体107经管道与汽轮机209的低压缸相连接,中间炉体107与汽轮机209低压缸之间的管道上设有与此管道相连接的氨气装置208,汽轮机209上安装有发电机210。 [0024] The power generation system 2 comprises a gas combustion chamber 201, a gas combustor 201 is connected to blower 113 pyrolysis gas, gasification gas blower 118, a cyclone 115 through the bottom discharge port conduit and charcoal desulfurizing chamber 202 and a char transporting fan the inlet 117 is connected to the desulfurizing chamber 202 are equipped with an air preheater 2〇3, 2〇4 heating surface, the top of the desulfurizing chamber 202 is connected to the exhaust gas treatment apparatus 205, the furnace 107 through the intermediate conduit 209 of the steam turbine low-pressure cylinder connected to the pipe between the low pressure furnace 107 and the intermediate cylinder 209 is provided with an ammonia gas turbine apparatus of this pipe is connected with 208, 210 are mounted on the turbine generator 209.

[0025]所述空气预热器203上连接有鼓风机206、锅炉受热面204上连接有给水装置207。 [0025] The air preheater 203 is connected to the blower 206, 207 are connected to water supply means 204 on boiler heating surfaces.

[0026] 所述炉排108—侧通过小齿轮116连接有驱动电机。 [0026] The grate 108--side pinion gear 116 is connected by a drive motor.

[0027] —种基于下吸式固定床气化蒸汽发电联产装置的生产工艺,其特征在于:包括以下步骤: [0027] - seed production process based on downdraft fixed-bed gasification steam power generation apparatus, characterized by: comprising the steps of:

[0028] (1)生物质原料由加料装置101从炉顶103加入,原料气化所需的一次风由一次风口102被吸入,生物质原料在中间炉体107内高温物料的辐射作用下与空气发生热解燃气化反应,生成含较高焦油含量的生物质高温热解燃气和生物炭,高温热解燃气被热解燃气风机113由气化炉中部抽出送到燃气燃烧室201燃烧,用于生物炭活化的二次风和携带氨气的水蒸气由中间炉体107进入,与生物炭反应得到具备脱硫特性的含氮活性炭和气化燃气,由气化炉下部抽出的气化燃气携带粉状的含氮活性炭在旋风分离器115内实现气固分离,气化燃气由气化燃气风机118送至燃气燃烧室201燃烧;粉状含氮活性炭被送至脱硫室202用于燃气燃烧室201内燃气燃烧后尾气的脱硫。 [0028] (1) Add the biomass feedstock from the roof 103 of the charging device 101, the primary air required by the primary feedstock gasification air 102 is drawn, the biomass feedstock with radiation in the material of the intermediate furnace temperature 107 air generating pyrolysis gas reaction to produce pyrolysis gas and char biological high temperature tar-containing biomass, and the pyrolysis gas is a pyrolysis gasifier gas turbine 113 from the middle out to the combustion gas of the combustion chamber 201, with biological activated carbon carrying the secondary air and the ammonia vapor into the furnace 107 by the intermediate biochar reacted with the activated carbon and the nitrogen-containing gas gasifier provided desulfurization characteristics, extracted from the lower portion gasifier gasification gas carrying powder like nitrogen-containing activated carbon achieved in the gas-solid separation cyclones 115, producer gas from the gasification gas supplied to the gas turbine combustor 118 201 combustion; powdered activated nitrogen is supplied to the combustion chamber for a gas desulfurizing chamber 202 201 the exhaust gas after combustion desulfurization. 块状含氮活性炭通过气化炉底部的出炭装置111排出; A nitrogen-containing activated carbon block out through the bottom of the gasifier char discharging means 111;

[0029] (2)高温热解燃气由燃气燃烧室201顶部进入,与经空气预热器203预热后的空气混合后进行燃烧,通过控制空气给入量,实现燃气燃烧室201上部燃烧区为还原性氛围,抑制氮氧化物生成。 [0029] (2) the pyrolysis gas from the top gas entering the combustion chamber 201, mixed with air for combustion through the air preheater 203 preheated by controlling the air intake to achieve a gas combustion zone of the combustion chamber upper portion 201 a reducing atmosphere, to suppress generation of nitrogen oxides. 同时在燃气燃烧室201中部喷入经空气预热器203预热后的空气,实现燃气燃烧室201内燃气完全燃尽且保持一定的含氧量,燃气燃烧室201的下部喷入含有高分子焦油的高温热解燃气,利用高分子焦油的还原性实现烟气中氮氧化物还原; A gas combustion chamber in the central portion 201 into the air after the air preheater 203 via the preheater, the gas within the combustion chamber 201 to achieve complete consumption of gas and to maintain a certain oxygen content, the lower portion of the gas injected into the combustion chamber 201 containing a polymer reducing the flue gas temperature to achieve thermal tars solution gas, the use of polymer in the tar reducing nitrogen oxides;

[0030] (3)燃气燃烧室201内产生的高温烟气依次通过锅炉受热面204、空气预热器203后进入脱硫室202,锅炉受热面204产生过热蒸汽,过热蒸汽进入汽轮机209做功发电,部分做功后的蒸汽由汽轮机209的低压缸引出并与氨气装置208提供的氨气掺混后送入中间炉体107进行生物炭活化; Generated in the high temperature flue gas 201 [0030] (3) combustion gas passes through the boiler heating surfaces 204, 203 after the air preheater enters the desulfurizing chamber 202, heating surface 204 to generate superheated steam, superheated steam enters the steam turbine 209 to generate power, after the steam after work leads from the portion 209 of the low pressure turbine and a cylinder device 208 provided with the ammonia gas into the intermediate mixing ammonia biological furnace 107 activated charcoal;

[0031] ⑷进入脱硫室202中的烟气与粉状含氮活性炭掺混,烟气中的二氧化硫被活性炭吸附氧化,从烟气中脱除,粉状活性炭和烟气中的灰尘被尾气处理单元205去除后排放,烟气实现达标排放。 [0031] ⑷ chamber 202 into the desulfurization of flue gas admixed with powdered activated carbon nitrogen-containing, sulfur dioxide in the flue gas is oxidized activated carbon adsorption, removal from flue gases, and powdered activated carbon in the flue gas dust is the exhaust gas treating after removal of the discharge unit 205, gas discharge standards.

[0032] 实施例1 [0032] Example 1

[0033] 杏仁壳原料由加料装置101从炉顶103加入,杏仁壳气化所需的一次风由一次风口102被吸入,杏仁壳在中间炉体107内高温物料的辐射作用下与空气发生热解燃气化反应, 生成含较高焦油含量的生物质高温热解燃气和生物炭,330 °C的热解燃气被热解燃气风机113由气化炉中部抽出送到燃气燃烧室201燃烧。 [0033] almond shells joined by feed from the top 103 of the charging device 101, almond shells required by the gasification of the primary air 102 is drawn into the primary tuyere, almond shells heat with air in the furnace body 107 intermediate radiation of high-temperature materials Solutions of the reaction gas, generating high-temperature heat raw material containing a high content of tar and gas solution biochar, pyrolysis gas is 330 ° C the pyrolysis gas turbine 113 from the middle to the gasifier combustion chamber 201 combustion gas extraction. 用于生物炭活化的二次风和携带氨气的水蒸气由中间炉体107进入,杏仁壳与氨气的质量比例为260kg/kg,与生物炭反应得到具备脱硫特性的含氮活性炭和气化燃气。 Biochar steam activation for secondary air and ammonia gas is carried into the furnace 107 by the intermediate mass almond shell and ammonia was 260kg / kg, biochar reacted with a nitrogen-containing activated carbon and gasification have the desulphurization gas. 由气化炉下部抽出的46(TC的气化燃气携带粉状的含氮活性炭在旋风分离器115内实现气固分离,气化燃气由气化燃气风机118送至燃气燃烧室201燃烧,燃气燃烧炉内温度为75(TC,气化燃气和热解燃气的质量比例为0.9kg/kg;粉状含氮活性炭被送至脱硫室202用于燃气燃烧室201内燃气燃烧后尾气的脱硫,脱硫室202的温度为130°C。块状含氮活性炭通过气化炉底部的出炭装置111排出,活性炭的碘吸附值值1200mg/g、含碳量91.5%。高温热解燃气由燃气燃烧室201顶部进入,与经空气预热器203预热后的空气混合后进行燃烧,通过控制空气给入量,实现燃气燃烧室201上部燃烧区为还原性氛围,抑制氮氧化物生成。同时在燃气燃烧室201中部喷入经空气预热器203预热后的空气,实现燃气燃烧室201内燃气完全燃尽且保持一定的含氧量,燃气燃烧室201的下部喷入含有高分子焦油的高温热 Withdrawn from the lower portion gasifier 46 (TC vaporized nitrogen gas carrying the powdered activated carbon achieved in the gas-solid separation cyclones 115, producer gas from the gasification gas supplied to the gas turbine combustor 118 201 combustion gas temperature of the combustion furnace 75 (mass ratio TC, producer gas and pyrolysis gas of 0.9kg / kg; powdered activated nitrogen is supplied to the gas desulfurizing chamber 202 to the combustion chamber after combustion exhaust gas desulfurization 201, desulfurization chamber temperature of 202 130 ° C. lump charcoal nitrogen through the bottom of the gasifier char a discharge apparatus 111, the activated carbon iodine adsorption value of 1200mg / g, carbon content of 91.5%. pyrolysis combustion gas from the gas into the top of the chamber 201, mixed with air for combustion through the air preheater 203 preheated by controlling the air intake to achieve a gas combustion zone of the combustion chamber 201 to the upper portion of a reducing atmosphere, to suppress generation of nitrogen oxides. while central gas combustor 201 into the air after the air preheater 203 via the preheater, the gas within the combustion chamber 201 to achieve complete consumption of gas and to maintain a certain oxygen content, the lower portion of the gas injected into the combustion chamber 201 of the tar-containing polymer high-temperature heat 燃气,利用高分子焦油的还原性实现烟气中氮氧化物还原。燃气燃烧室201内产生的高温烟气依次通过锅炉受热面204、空气预热器203后进入脱硫室202,锅炉受热面204产生温度为450°C、压力为3.82MPa的过热蒸汽,过热蒸汽进入汽轮机209做功发电,汽轮机的发电功率为3MW,部分做功后的蒸汽由汽轮机209的低压缸引出并与氨气装置208提供的氨气掺混后送入中间炉体107进行生物炭活化。进入脱硫室202中的烟气与粉状含氮活性炭掺混,烟气中的二氧化硫被活性炭吸附氧化,从烟气中脱除。粉状活性炭和烟气中的灰尘被尾气处理单元205去除后排放,排放的尾气中二氧化硫的浓度为25mg/ Nm3、氮氧化物的浓度为11 lmg/Nm3、颗粒物的排放浓度为2 lmg/Nm3。 Gas, reducing the use of polymer to achieve the tar in the smoke of nitrogen oxide reduction. 201 high temperature flue gas generated in the combustion gas passes through the boiler heating surface 204, enters the air preheater 203 after the desulfurizing chamber 202, heating surface 204 a temperature of 450 ° C, a pressure of 3.82MPa superheated steam, superheated steam enters the steam turbine 209 to generate power, generation power to 3MW turbine, steam extraction from the rear part of work and low pressure cylinder 209 with ammonia gas turbine means for providing 208 after mixing ammonia gas into the furnace 107 intermediate biologically activated charcoal. desulfurizing chamber 202 into the flue gas mixing with powdered activated carbon nitrogen-containing, sulfur dioxide in the flue gas is oxidized activated carbon adsorption, removal from flue gas. powdered activated carbon and dust in flue gas 205 is removed after the tail gas treatment unit concentration of sulfur dioxide emissions, emissions of 25mg / Nm3, the concentration of nitrogen oxides was 11 lmg / Nm3, the concentration of particulate matter emission is 2 lmg / Nm3 .

[0034] 实施例2 [0034] Example 2

[0035]椰壳原料由加料装置101从炉顶103加入,椰壳气化所需的一次风由一次风口102 被吸入,椰壳在中间炉体107内高温物料的辐射作用下与空气发生热解燃气化反应,生成含较高焦油含量的生物质高温热解燃气和生物炭,高温热解燃气被热解燃气风机113由气化炉中部抽出送到燃气燃烧室201燃烧。 [0035] Add the coconut shell material 101 from the top of the charging device 103, the primary air required by the gasification coconut shell 102 is drawn into the primary tuyere, coconut shells with the air at an intermediate furnace radiation heat within the high-temperature materials 107 Solutions of the reaction gas, generated gas and the pyrolysis of biomass containing biochar high temperature tar, pyrolysis gas is a pyrolysis gas from the blower 113 to the middle of the gasifier combustion chamber 201 combustion gas extraction. 用于生物炭活化的二次风和携带氨气的水蒸气由中间炉体107进入,椰壳与氨气的质量比例为350kg/kg,与生物炭反应得到具备脱硫特性的含氮活性炭和气化燃气。 Biochar steam activation for secondary air and ammonia gas is carried into the furnace 107 by the intermediary, and the mass ratio of ammonia to coconut 350kg / kg, is reacted with a nitrogen-containing bio-char to obtain activated carbon and gasification have the desulphurization gas. 由气化炉下部抽出的52(TC气化燃气携带粉状的含氮活性炭在旋风分离器115内实现气固分离,气化燃气由气化燃气风机118送至燃气燃烧室201燃烧,燃气燃烧炉内温度为860°C,气化燃气和热解燃气的质量比例为1 • 2kg/kg;粉状含氮活性炭被送至脱硫室202用于燃气燃烧室201内燃气燃烧后尾气的脱硫,脱硫室202的温度为155 °C。块状含氮活性炭通过气化炉底部的出炭装置111排出,活性炭的碘吸附值值1251mg/g、含碳量92.4%。高温热解燃气由燃气燃烧室201顶部进入,与经空气预热器203预热后的空气混合后进行燃烧,通过控制空气给入量,实现燃气燃烧室201上部燃烧区为还原性氛围,抑制氮氧化物生成。同时在燃气燃烧室201中部喷入经空气预热器203预热后的空气,实现燃气燃烧室2〇1内燃气完全燃尽且保持一定的含氧量,燃气燃烧室201的下部喷入含有高分子焦油的高温 Withdrawn from the lower portion gasifier 52 (TC vaporized nitrogen gas carrying the powdered activated carbon achieved in the gas-solid separation cyclones 115, producer gas from the gasification gas supplied to the gas turbine combustor 118 201 combustion gas burner furnace temperature was 860 ° C, the mass ratio of the gasification and pyrolysis gas the gas is 1 • 2kg / kg; powdered activated nitrogen is supplied to the gas desulfurizing chamber 202 to the combustion chamber after combustion exhaust gas desulfurization 201, desulfurization chamber temperature of 202 155 ° C. lump charcoal nitrogen through the bottom of the gasifier char a discharge apparatus 111, the activated carbon iodine adsorption value of 1251mg / g, carbon content of 92.4%. pyrolysis combustion gas from the gas into the top of the chamber 201, mixed with air for combustion through the air preheater 203 preheated by controlling the air intake to achieve a gas combustion zone of the combustion chamber 201 to the upper portion of a reducing atmosphere, to suppress generation of nitrogen oxides. while central gas combustor 201 into the air after the air preheater 203 via the preheater, the gas within the combustion chamber to achieve complete consumption 2〇1 gas and to maintain a certain oxygen content, the lower portion of the gas injected into the combustion chamber 201 containing a polymer high temperature tar 热解燃气,利用高分子焦油的还原性实现烟气中氮氧化物还原。燃气燃烧室201内产生的高温烟气依次通过锅炉受热面204、空气预热器203后进入脱硫室202,锅炉受热面204 产生温度为45〇°C、压力为3.82MPa的过热蒸汽,过热蒸汽进入汽轮机209做功发电,汽轮机的发电功率为6MW,部分做功后的蒸汽由汽轮机209的低压缸引出并与氨气装置208提供的氨气掺混后送入中间炉体107进行生物炭活化。进入脱硫室202中的烟气与粉状含氮活性炭掺混,烟气中的二氧化硫被活性炭吸附氧化,从烟气中脱除。粉状活性炭和烟气中的灰尘被尾气处理单元2〇5去除后排放,排放的尾气中二氧化硫的浓度为16mg/Nm3、氮氧化物的浓度为83mg/Nm3、颗粒物的排放浓度为18mg/Nm3。 Pyrolysis gas, reducing the use of polymer to achieve the tar in the smoke of nitrogen oxide reduction. 201 high temperature flue gas generated in the combustion gas passes through the boiler heating surface 204, enters the air preheater 202, the boiler heating chamber 203 desulfurization 45〇 generating surface temperature of 204 ° C, a pressure of 3.82MPa superheated steam, superheated steam enters the steam turbine 209 to generate power, a power generation steam turbine is 6MW, the rear part of the vapor drawn by the low work cylinder 209 and the ammonia gas turbine means ammonia is fed into the blender 208 to provide an intermediate furnace 107 biological activated charcoal. desulfurizing chamber 202 into the flue gas mixing with powdered activated carbon nitrogen-containing, sulfur dioxide in the flue gas is oxidized activated carbon adsorption, from the flue gas removal. powdered activated carbon in the flue gas and dust concentration of sulfur dioxide in the exhaust gas after the exhaust gas treatment unit 2〇5 removing emissions, emissions of 16mg / Nm3, the concentration of nitrogen oxides was 83mg / Nm3, the concentration of particulate matter emission is 18mg / Nm3.

[0036] 实施例3 [0036] Example 3

[0037]木屑原料由加料装置101从炉顶103加入,木屑气化所需的一次风由一次风口102 被吸入,木肩在中间炉体1〇7内高温物料的辐射作用下与空气发生热解燃气化反应,生成含较高焦油含量的生物质高温热解燃气和生物炭,高温热解燃气被热解燃气风机113由气化炉中部抽出送到燃气燃烧室201燃烧。 [0037] The wood feedstock into the feeding device 101 from the top 103, the primary air required for the gasification of sawdust by the primary air 102 is sucked with air wood shoulder heat radiation at the middle of the furnace high-temperature materials 1〇7 Solutions of the reaction gas, generated gas and the pyrolysis of biomass containing biochar high temperature tar, pyrolysis gas is a pyrolysis gas from the blower 113 to the middle of the gasifier combustion chamber 201 combustion gas extraction. 用于生物炭活化的二次风和携带氨气的水蒸气由中间炉体1〇7进入,椰壳与氨气的质量比例为370kg/kg,与生物炭反应得到具备脱硫特性的含氮活性炭和气化燃气。 Biochar steam activation for secondary air and ammonia 1〇7 carried into the furnace by an intermediate, coconut shell mass ratio of ammonia to 370kg / kg, biochar have reacted with the nitrogen-containing activated carbon desulfurization characteristics and gasification gas. 由气化炉下部抽出的420°C气化燃气携带粉状的含氮活性炭在旋风分离器115内实现气固分离,气化燃气由气化燃气风机118送至燃气燃烧室201燃烧,燃气燃烧炉内温度为87(TC,气化燃气和热解燃气的质量比例为1.6kg/kg;;粉状含氮活性炭被送至脱硫室202用于燃气燃烧室201内燃气燃烧后尾气的脱硫,脱硫室202的温度为138°C。块状含氮活性炭通过气化炉底部的出炭装置111排出,活性炭的碘吸附值值986mg/g、含碳量89.3 %。高温热解燃气由燃气燃烧室201顶部进入,与经空气预热器203预热后的空气混合后进行燃烧,通过控制空气给入量,实现燃气燃烧室201上部燃烧区为还原性氛围,抑制氮氧化物生成。同时在燃气燃烧室201中部喷入经空气预热器203预热后的空气,实现燃气燃烧室2〇1内燃气完全燃尽且保持一定的含氧量,燃气燃烧室201的下部喷入含有高分子焦油的高温热 420 ° C is carried by a lower portion of the gasification furnace gasification gas withdrawn nitrogen-containing powdered activated carbon achieved in the gas-solid separation cyclones 115, producer gas from the gasification gas supplied to the gas turbine combustor 118 201 combustion gas burner the furnace temperature is 87 (mass ratio TC, producer gas and pyrolysis gas of 1.6kg / kg ;; powdered activated nitrogen is supplied to the gas desulfurizing chamber 202 to the combustion chamber after combustion exhaust gas desulfurization 201, desulfurization chamber temperature of 202 138 ° C. lump charcoal nitrogen through the bottom of the gasifier char a discharge apparatus 111, the activated carbon iodine adsorption value of 986mg / g, carbon content of 89.3%. pyrolysis combustion gas from the gas into the top of the chamber 201, mixed with air for combustion through the air preheater 203 preheated by controlling the air intake to achieve a gas combustion zone of the combustion chamber 201 to the upper portion of a reducing atmosphere, to suppress generation of nitrogen oxides. while central gas combustor 201 into the air after the air preheater 203 via the preheater, the gas within the combustion chamber to achieve complete consumption 2〇1 gas and to maintain a certain oxygen content, the lower portion of the gas injected into the combustion chamber 201 containing a polymer high-temperature hot tar 燃气,利用高分子焦油的还原性实现烟气中氮氧化物还原。燃气燃烧室201内产生的高温烟气依次通过锅炉受热面204、空气预热器203后进入脱硫室202,锅炉受热面204 产生温度为45(TC、压力为3.82MPa的过热蒸汽,过热蒸汽进入汽轮机209做功发电,汽轮机的发电功率为6MW,部分做功后的蒸汽由汽轮机209的低压缸引出并与氨气装置208提供的氨气掺混后送入中间炉体107进行生物炭活化。进入脱硫室202中的烟气与粉状含氮活性炭掺混,烟气中的二氧化硫被活性炭吸附氧化,从烟气中脱除。粉状活性炭和烟气中的灰尘被尾气处理单元205去除后排放,排放的尾气中二氧化硫的浓度为38mg/Nm3、氮氧化物的浓度为124mg/Nm3、颗粒物的排放浓度为29mg/Nm3。 Gas, reducing the use of polymer to achieve the tar in the smoke of nitrogen oxide reduction. 201 high temperature flue gas generated in the combustion gas passes through the boiler heating surface 204, enters the air preheater 203 after the desulfurizing chamber 202, heating surface 204 a temperature of 45 (TC, pressure of 3.82MPa superheated steam, superheated steam enters the steam turbine 209 to generate power, a power generation steam turbine is 6MW, the rear part of the vapor drawn by the low work cylinder 209 and ammonia gas turbine means for providing 208 after mixing ammonia gas into the furnace 107 intermediate biologically activated charcoal. desulfurizing chamber 202 into the flue gas mixing with powdered activated carbon nitrogen-containing, sulfur dioxide in the flue gas is oxidized activated carbon adsorption, removal from flue gas. powdered activated carbon in the flue gas and dust is removed after the exhaust emissions from a processing unit 205, the exhaust emissions of sulfur dioxide at a concentration of 38mg / Nm3, the concentration of nitrogen oxides was 124mg / Nm3, the concentration of particulate matter emissions of 29mg / Nm3.

[0038]以上显示和描述了本发明的基本原理、主要特征及本发明的优点。 [0038] The above and described the principles of the invention, the main features and advantages of the present invention. 本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。 The industry the art will appreciate, the present invention is not limited to the above embodiment, the above-described examples and embodiments described in the specification are only illustrative of the principles of the present invention, without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, changes and modifications which fall within the scope of the claimed invention. 本发明的要求保护范围由所附的权利要求书及其等效物界定。 Scope of the claimed invention by the appended claims and their equivalents.

Claims (8)

  1. 1. 一种下吸式固定床气化蒸汽发电联产装置,包括:气化系统、发电系统,其特征在于: 所述发电系统由气化系统带动工作,所述气化系统包括炉顶、中间炉体、下炉体,所述中间炉体安装在下炉体上,下炉体安装在底座上,中间炉体上安装有炉顶,所述炉顶上安装有加料装置、一次风口,中间炉体一侧设有二次风口、另一侧设有热解燃气出口,中间炉体内设有主轴,主轴上端连接于动力装置、下端安装有拨料器,拨料器下侧的下炉体内设有炉排, 炉排通过炉排支撑安装在下炉体内,下炉体底端安装有出炭装置,所述热解燃气出口通过热解燃气风机连接于发电系统,所述下炉体一侧设有气化燃气出口,气化燃气出口通过旋风分离器连接于气化燃气风机,气化燃气风机连接于发电系统;所述发电系统包括燃气燃烧室,燃气燃烧室连接有热解燃气风机、 Downdraft fixed-bed gasification under steam power generation apparatus A, comprising: a gasification system, a power generation system, wherein: said power generation system driven by work produced by the gasification system, the gasification system comprises a roof, intermediate furnace, the furnace, the furnace is mounted on the intermediate lower furnace, the furnace is mounted on the base, the roof is mounted on the intermediate furnace, the charging device is mounted on the roof, the primary tuyere, the intermediate furnace tuyere provided on one side of the secondary, provided the other side of the pyrolysis gas outlet, the furnace body is provided with an intermediate shaft, the upper end of the spindle is connected to the power means, attached to the lower end of the feeder dial, the dial side of the lower furnace body feeder side of the furnace grate is provided, supported on the lower grate grate installed through the furnace body, the furnace bottom is mounted a charcoal means by the pyrolysis gas outlet connected to the pyrolysis gas turbine power generation system, the lower with gasification gas outlet, the gas outlet by a cyclone gasifier connected to the gasification gas turbine, a gas turbine connected to a gasification power generation system; said power generating system comprising a combustion gas, combustion gas fan connected to the pyrolysis gas, 气化燃气风机,旋风分离器底部排炭口经管道与脱硫室和炭输送风机的进口相连接,脱硫室内设有空气预热器、锅炉受热面,脱硫室顶部连接有尾气处理装置,中间炉体经管道与汽轮机的低压缸相连接,中间炉体与汽轮机低压缸之间的管道上设有与此管道相连接的氨气装置,汽轮机上安装有发电机。 Producer gas turbine, bottom of the cyclone through the exhaust port carbon desulfurization chamber and the inlet conduit and the delivery fan is connected to carbon, desulphurization with indoor air preheater, the boiler heating surface, the top of the desulfurization chamber connected to the exhaust gas treatment apparatus, the intermediate furnace body conduit via the low-pressure cylinder is connected to the steam turbine, the ammonia is provided with means connected to this pipe between the intermediate pipe and the furnace for steam turbine, a generator mounted on the turbine.
  2. 2. 根据权利要求1所述的一种下吸式固定床气化蒸汽发电联产装置,其特征在于:所述空气预热器上连接有鼓风机、锅炉受热面上连接有给水装置。 The downdraft fixed-bed gasification under steam power generation means to one of the preceding claims, characterized in that: said blower is connected to the air preheater, the boiler heating surface is connected with a water supply means.
  3. 3. 根据权利要求1所述的一种下吸式固定床气化蒸汽发电联产装置,其特征在于:所述炉排一侧通过小齿轮连接有驱动电机。 3. downdraft fixed-bed gasification under steam power generation apparatus according to one of the claim 1, wherein: a side of said grate is connected by a pinion gear drive motor.
  4. 4. 一种基于下吸式固定床气化蒸汽发电联产装置的生产工艺,其特征在于:包括以下步骤: (1) 生物质原料由加料装置从炉顶加入,原料气化所需的一次风由一次风口被吸入,生物质原料在中间炉体内高温物料的辐射作用下与空气发生热解燃气化反应,生成含较高焦油含量的生物质高温热解燃气和生物炭,高温热解燃气被热解燃气风机由气化炉中部抽出送到燃气燃烧室燃烧,用于生物炭活化的二次风和携带氨气的水蒸汽由中间炉体进入,与生物炭反应得到具备脱硫特性的含氮活性炭和气化燃气,由气化炉下部抽出的气化燃气携带粉状的含氮活性炭在旋风分离器内实现气固分离,气化燃气由燃气风机送至燃气燃烧室燃烧;粉状含氮活性炭被送至脱硫室用于燃气燃烧室内燃气燃烧后尾气的脱硫,块状含氮活性炭通过气化炉底部的出炭装置排出; (2) 高温气 A production process based on downdraft fixed-bed gasification steam power generation apparatus, characterized by: comprising the steps of: (1) by the addition of biomass feedstock feeding means from the roof, a desired feedstock gasification air is sucked from the primary tuyere, the biomass feedstock and the pyrolysis gas air reaction occurs at a high temperature material intermediate radiation furnace body, generating high-temperature pyrolysis of biomass and biological gas containing char higher tar, pyrolysis gas is pyrolyzed gas blower from the middle out to the gasification furnace gas combustion chamber, a secondary air biological activated charcoal and water vapor carried into the ammonia from the intermediate furnace, provided with reaction to give biochar containing the desulphurization activated carbon and nitrogen gas gasification, gasification is carried by the lower portion of the gasification gas withdrawn nitrogen-containing powdered activated carbon to achieve gas-solid separation in the cyclone, the gas supplied to the gasification gas from the gas turbine combustion chamber; nitrogen-containing powdery activated carbon is supplied to the desulfurizing chamber for a gas combustion chamber after the combustion exhaust gas desulfurization, a nitrogen-containing activated carbon block is discharged through the bottom of the char gasifier means; (2) high-temperature gas 燃气由燃气燃烧室顶部进入,与经空气预热器预热后的空气混合后进行燃烧,通过控制空气给入量,实现燃气燃烧室上部燃烧区为还原性氛围,抑制氮氧化物生成,同时在燃气燃烧室中部喷入经空气预热器预热后的空气,实现燃气燃烧室内燃气完全燃尽且保持一定的含氧量,燃气燃烧室的下部喷入含有高分子焦油的高温热解燃气,利用高分子焦油的还原性实现烟气中氮氧化物还原; (3) 燃气燃烧室内产生的高温烟气依次通过锅炉受热面、空气预热器后进入脱硫室,通过锅炉受热面产生过热蒸汽,过热蒸汽进入汽轮机做功发电,部分做功后的蒸汽由汽轮机的低压缸引出并与氨气装置提供的氨气掺混后送入中间炉体进行生物炭活化; (4) 进入脱硫室中的烟气与粉状含氮活性炭掺混,烟气中的二氧化硫被活性炭吸附氧化,从烟气中脱除,粉状活性炭和烟 Gas from the top gas entering the combustion chamber for combustion with the mixed air after the air preheater, by controlling the intake of air to achieve the combustion gas of the combustion chamber upper region a reducing atmosphere, to suppress generation of nitrogen oxides, while in the middle of the gas injected into the combustion chamber through the air after the air preheater, the gas in the combustion chamber to achieve complete consumption of gas and to maintain a certain oxygen content, combustion gas injected into the lower portion of the pyrolysis gas containing tar polymer , reducing the use of polymer to achieve the tar in the smoke reduction of nitrogen oxides; high temperature flue gas (3) generated gas passes through the combustion chamber heating surface of boiler, air preheater into the desulfurization chamber, the superheated steam produced by the boiler heating surface , superheated steam enters the steam turbine to generate power, steam extraction from the rear part of the work and the low-pressure turbine cylinder admixed with ammonia is fed ammonia gas means for providing an intermediate furnace biological activated charcoal; (4) desulfurization of smoke into the chamber blending powdered activated carbon with a nitrogen-containing gas, sulfur dioxide in the flue gas is oxidized activated carbon adsorption, removal from flue gases, powdered activated carbon and smoke 中的灰尘被尾气处理单元去除后排放,烟气实现达标排放。 The dust is removed in the exhaust emissions after the processing unit, the flue gas discharge standards.
  5. 5. 根据权利要求4所述的一种基于下吸式固定床气化蒸汽发电联产装置的生产工艺, 其特征在于:所述生物质与氨气的质量比例为100〜500kg/kg。 5. According to one claim 4, wherein the production process based on downdraft fixed-bed gasification steam power generation apparatus, wherein: the mass ratio of the raw material and ammonia gas was 100~500kg / kg.
  6. 6. 根据权利要求4所述的一种基于下吸式固定床气化蒸汽发电联产装置的生产工艺, 其特征在于:所述脱硫室温度为8〇〜200 °C。 6. According to one of claim 4 production process based on downdraft fixed-bed gasification steam power generation apparatus, wherein: the temperature of the desulfurization chamber 8〇~200 ° C.
  7. 7. 根据权利要求4所述的一种基于下吸式固定床气化蒸汽发电联产装置的生产工艺, 其特征在于:所述热解燃气的出口温度为200〜40CTC,气化燃气出口温度为400〜60(TC。 7. According to one of claim 4 production process based on downdraft fixed-bed gasification steam power generation apparatus, wherein: the outlet temperature of the pyrolysis gas is 200~40CTC, producer gas outlet temperature as 400~60 (TC.
  8. 8. 根据权利要求4所述的一种基于下吸式固定床气化蒸汽发电联产装置的生产工艺, 其特征在于:所述燃气燃烧炉内温度为700-1300。 8. According to one of claim 4 production process based on downdraft fixed-bed gasification steam power generation apparatus, wherein: said combustion furnace gas temperature is 700-1300. (:,气化燃气和热解燃气的质量比例为〇• 5 〜3kg/kg〇 (: Mass ratio of the gas gasification and pyrolysis gas is square • 5 ~3kg / kg〇
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954597A (en) * 1974-03-27 1976-05-04 Morrell Jacque C Process for the production of distillate fuels from oil shales and by-products therefrom
CN1483068A (en) * 2000-12-04 2004-03-17 埃默瑞能源有限公司 Polyhedral gasifier and relative method
CN101988710A (en) * 2009-08-05 2011-03-23 黄贤斌 Mutifunctional efficient thermal cracking gasification furnace
CN102268297A (en) * 2011-06-30 2011-12-07 河南省生物质能源重点实验室 Large fixed-bed gasification of biomass power generation system briquette
CN202688284U (en) * 2012-05-11 2013-01-23 合肥德博生物能源科技有限公司 Fluidized bed biomass gasification electrical power generating system
CN103980942A (en) * 2014-05-14 2014-08-13 合肥德博生物能源科技有限公司 Device used for biomass gasification and active carbon combined production
CN205473608U (en) * 2016-01-26 2016-08-17 合肥德博生物能源科技有限公司 Downdraft fixed bed gasification steam electric power coproduction device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954597A (en) * 1974-03-27 1976-05-04 Morrell Jacque C Process for the production of distillate fuels from oil shales and by-products therefrom
CN1483068A (en) * 2000-12-04 2004-03-17 埃默瑞能源有限公司 Polyhedral gasifier and relative method
CN101988710A (en) * 2009-08-05 2011-03-23 黄贤斌 Mutifunctional efficient thermal cracking gasification furnace
CN102268297A (en) * 2011-06-30 2011-12-07 河南省生物质能源重点实验室 Large fixed-bed gasification of biomass power generation system briquette
CN202688284U (en) * 2012-05-11 2013-01-23 合肥德博生物能源科技有限公司 Fluidized bed biomass gasification electrical power generating system
CN103980942A (en) * 2014-05-14 2014-08-13 合肥德博生物能源科技有限公司 Device used for biomass gasification and active carbon combined production
CN205473608U (en) * 2016-01-26 2016-08-17 合肥德博生物能源科技有限公司 Downdraft fixed bed gasification steam electric power coproduction device

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