CN1818032A - 高压、高含氢煤气的制备方法 - Google Patents

高压、高含氢煤气的制备方法 Download PDF

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Publication number
CN1818032A
CN1818032A CN 200610045968 CN200610045968A CN1818032A CN 1818032 A CN1818032 A CN 1818032A CN 200610045968 CN200610045968 CN 200610045968 CN 200610045968 A CN200610045968 A CN 200610045968A CN 1818032 A CN1818032 A CN 1818032A
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Prior art keywords
coal gas
high pressure
gas
shaft furnace
coal
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CN 200610045968
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周久乐
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Dongfang Iron & Steel Co Ltd Shenyang City
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Dongfang Iron & Steel Co Ltd Shenyang City
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Priority to CN 200610045968 priority Critical patent/CN1818032A/zh
Publication of CN1818032A publication Critical patent/CN1818032A/zh
Priority to PCT/CN2006/003279 priority patent/WO2007101377A1/zh
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K3/00—Modifying the chemical composition of combustible gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide
    • 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
    • C10J3/463—Gasification of granular or pulverulent flues in suspension in stationary fluidised beds
    • 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
    • C10J3/725—Redox processes
    • 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
    • C10J2300/0953—Gasifying agents
    • C10J2300/0973—Water
    • 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
    • C10J2300/1609—Post-reduction, e.g. on a red-white-hot coke or coal bed

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Industrial Gases (AREA)

Abstract

高压、高含氢煤气的制备方法，是将由锅炉得到的高压蒸汽进一步通过耐火材料蓄热，由换热装置蒸汽在0.1－3.0Mpa压力下预热到900℃－1300℃，再利用流化床将高挥发份的煤进行干馏和气化，在温度达到900℃以上时，送至装满焦碳的竖炉，二次重整再造煤气，此煤气经除尘净化后，直接供用户使用。本发明优点为：1.煤种适应性强，可以使劣质煤也通过转换成优质煤气。2.使煤气中水蒸汽和二氧化碳含量、氮气含量降至很低，煤气热值高。3.全过程都在蒸汽压力下进行，因此获得高压煤气不需要压缩机压缩，减少二次能源消耗。4.此方法制备的煤气含氢量高，尤其适合发展氢能源冶炼和化工合成气和甲醇。

Description

高压、高含氢煤气的制备方法
(一)技术领域：
本发明涉及一种煤气制备方法，具体为一种高压、高含氢煤气的制备方法。
(二)技术背景：
在冶金和化工合成工业中洁净煤综合利用，煤的气化和生产高热值、高含氢煤气在上述工业中有着广阔的用途，也是难以解决的高难课题之一。
(三)发明内容：
本发明的目的在于提供一种高压、高含氢煤气的制备方法。
采用的技术方案是：
高压、高含氢煤气的制备方法，是将由锅炉得到的高压蒸汽进一步通过耐火材料蓄热，由换热装置蒸汽在0.1-3.0Mpa压力下预热到900℃-1300℃，再利用流化床将高挥发份的煤进行干馏和气化，在温度达到900℃以上时，送至装满焦碳的竖炉，二次重整再造煤气，此煤气经除尘净化后，直接供用户使用。
上述的热脏煤气送入竖炉之前，可加入适当纯氧调整煤气产量和煤气成份。氧气压力应大于蒸汽压力。
上述的竖炉的焦碳层中加入少量石灰，使硫化物生成硫化钙，随炉渣排除。
本发明具有如下特点：
1、煤种适应性强，可以使劣质煤也通过转换成优质煤气。
2、使煤气中水蒸汽和二氧化碳含量、氮气含量降至很低，煤气热值高。
3、全过程都在蒸汽压力下进行，因此获得高压煤气不需要压缩机压缩，减少二次能源消耗。
4、此方法制备的煤气含氢量高，尤其适合发展氢能源冶炼和化工合成气和甲醇。
(四)附图说明：
图1为本发明的工艺流程图。
(五)具体实施方式：
实施例一
将由锅炉得到的高压蒸汽进一步通过耐火材料蓄热、换热装置将蒸汽在1.0Mpa压力下预热到1000℃，用流化床将高挥发份的煤进行干馏和气化，并在温度达到1000℃时，送至装满焦碳的竖炉，二次重整再造煤气，此煤气经除尘净化后，直接供用户使用。在热脏煤气送入竖炉之前，加入适当纯氧调整煤气产量和煤气成份，氧气压力大于蒸汽压力。
实施例二
将由锅炉得到的高压蒸汽进一步通过耐火材料蓄热、换热装置将蒸汽在1.2Mpa压力下预热到1200℃，用流化床将高挥发份的煤进行干馏和气化，并在温度达到1200℃时，送至装满焦碳的竖炉，二次重整再造煤气，此煤气经除尘净化后，直接供用户使用。在热脏煤气送入竖炉之前，加入适当纯氧调整煤气产量和煤气成份，氧气压力大于蒸汽压力。
实施例三
将由锅炉得到的高压蒸汽进一步通过耐火材料蓄热、换热装置将蒸汽在1.5Mpa压力下预热到1300℃，用流化床将高挥发份的煤进行干馏和气化，并在温度达到1300℃时，送至装满焦碳的竖炉，二次重整再造煤气，此煤气经除尘净化后，直接供用户使用。在热脏煤气送入竖炉之前，加入适当纯氧调整煤气产量和煤气成份，氧气压力大于蒸汽压力。

Claims (3)

1、高压、高含氢煤气的制备方法，其特征是将由锅炉得到的高压蒸汽进一步通过耐火材料蓄热，由换热装置蒸汽在0.1-3.0Mpa压力下预热到900℃-1300℃，再利用流化床将高挥发份的煤进行干馏和气化，在温度达到900℃以上时，送至装满焦碳的竖炉，二次重整再造煤气，此煤气经除尘净化后，直接供用户使用。
2、根据权利要求1所述的高压、高含氢煤气的制备方法，其特征在于所述的热脏煤气送入竖炉之前，可加入适当纯氧调整煤气产量和煤气成份。
3、根据权利要求1所述的高压、高含氢煤气的制备方法，其特征是在竖炉的焦碳层中加入少量石灰，使硫与石灰化合生成硫化钙随炉渣排除。
CN 200610045968 2006-03-06 2006-03-06 高压、高含氢煤气的制备方法 Pending CN1818032A (zh)

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CN 200610045968 CN1818032A (zh) 2006-03-06 2006-03-06 高压、高含氢煤气的制备方法
PCT/CN2006/003279 WO2007101377A1 (fr) 2006-03-06 2006-12-05 Procédé de production de gaz de houille mis sous haute pression et enrichi en h2

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008083574A1 (fr) * 2006-12-28 2008-07-17 Jiule Zhou Four de gazéification de poudre de charbon maigre
CN101210201B (zh) * 2006-12-30 2010-09-22 沈阳东方钢铁有限公司 一种干煤粉气化炉

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0720591D0 (en) * 2007-10-20 2007-11-28 Watergem Ltd Production of fuel from refuse
US8500868B2 (en) 2009-05-01 2013-08-06 Massachusetts Institute Of Technology Systems and methods for the separation of carbon dioxide and water

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE530486A (zh) * 1953-07-20
US4004896A (en) * 1974-11-21 1977-01-25 University Of Illinois Foundation Production of water gas
US4397656A (en) * 1982-02-01 1983-08-09 Mobil Oil Corporation Process for the combined coking and gasification of coal
SE446101B (sv) * 1984-12-28 1986-08-11 Skf Steel Eng Ab Sett och anordning for att generera gas
US4876080A (en) * 1986-12-12 1989-10-24 The United States Of Americal As Represented By The United States Department Of Energy Hydrogen production with coal using a pulverization device
CN1007261B (zh) * 1986-12-26 1990-03-21 华东化工学院 一种年青煤气化制造合成气的方法
FR2657917B1 (fr) * 1990-02-02 1992-04-24 Nergeco Sa Porte de manutention prefabriquee a rideau relevable pour mise en place simplifiee.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008083574A1 (fr) * 2006-12-28 2008-07-17 Jiule Zhou Four de gazéification de poudre de charbon maigre
CN101210201B (zh) * 2006-12-30 2010-09-22 沈阳东方钢铁有限公司 一种干煤粉气化炉

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