WO2006104425A2 - Procede de regulation de la composition du gaz par la gazeification souterraine des charbons - Google Patents
Procede de regulation de la composition du gaz par la gazeification souterraine des charbons Download PDFInfo
- Publication number
- WO2006104425A2 WO2006104425A2 PCT/RU2006/000147 RU2006000147W WO2006104425A2 WO 2006104425 A2 WO2006104425 A2 WO 2006104425A2 RU 2006000147 W RU2006000147 W RU 2006000147W WO 2006104425 A2 WO2006104425 A2 WO 2006104425A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas
- composition
- mixture
- controlling
- coal gasification
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000003245 coal Substances 0.000 title claims abstract description 14
- 238000002309 gasification Methods 0.000 title claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 60
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 16
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 47
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 46
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 7
- 230000000996 additive effect Effects 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 239000000567 combustion gas Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
- E21B43/243—Combustion in situ
-
- 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
-
- 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
- C10J3/723—Controlling or regulating the gasification process
-
- 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
- C10J2300/0956—Air or oxygen enriched air
-
- 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
- C10J2300/0959—Oxygen
-
- 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
- C10J2300/0969—Carbon dioxide
-
- 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
- C10J2300/1618—Modification of synthesis gas composition, e.g. to meet some criteria
Definitions
- the invention relates to underground gasification of coal seams by converting the coal mass at the site of its occurrence into combustible gas and using the latter in various power plants.
- a combustible mixture is formed containing, among other things, combustible components CO, H 2 and CH 4 ; in the second stage, the temperature potential of the combustible mixture transported in the channel is used to restore carbon dioxide (CO 2 ) injected along the channel path and water vapor (H 2 O).
- CO 2 carbon dioxide
- H 2 O water vapor
- the aim of the present invention is the creation of a universal and practicable method of regulating the gas composition of CCGT.
- water vapor (H 2 O) is added to the nitrogen-oxygen mixture (N 2 + O 2 ) as an additive, and a combustible mixture with a ratio of CO and H 2 components from 1: 2 to 1: 5 is extracted from the gas outlet wells .
- Water vapor (H 2 O) is produced by non-contact cooling of the recoverable combustible mixture of generator gas in gas wells.
- carbon dioxide (CO 2 ) is added to the injected nitrogen-oxygen mixture (N 2 + O 2 ) as an additive, and a combustible mixture of generator gas in the ratio of components CO and H 2 from 2: 1 to 1 is extracted from gas wells: 2.
- carbon dioxide (CO 2 ) is produced by extracting it from a combustible mixture of generator gas.
- a comparative analysis of the claimed invention with the prototype shows that the claimed technical solution is characterized by an additive (addition) to the injected nitrogen-oxygen blast (N 2 + O 2 ) carbon dioxide (CO 2 ) and water vapor (H 2 O) and thereby controlling the CO ratio / H 2 in the recoverable combustible mixture of generator gas in a wide range from 2: 1 to 1: 5.
- N 2 + O 2 nitrogen-oxygen blast
- CO 2 carbon dioxide
- H 2 O water vapor
- the claimed proposal for an inventive step meets the criterion of "significant differences", because The method has universality and the ability to control the composition of the CCGT gas produced, depending on the scope of its use in ground-based power plants (boiler and furnace equipment, various organic symbioses based on CO + H 2 ).
- the proposed method for regulating the gas composition of CCGT is implemented as follows.
- Nitrogen-oxygen blast containing nitrogen (N 2 ) and oxygen (O 2 ) is injected into the underground gas generator.
- the ratio of these components can be different - from air (21% O 2 and 79% N 2 ) to pure technical oxygen (95-98% O 2 and 2-5% N 2 ).
- a combustible mixture of generator gas containing combustible components CO, H 2 and CH 4 , as well as ballast components CO 2, N 2 and water vapor H 2 O are recovered from gas wells.
- the ratio of CO and H 2 components is subject to regulation of the CCGT gas composition.
- the ratio of the components N 2 , O 2 , CO 2 and H 2 O in the composition of the injected mixture is changed, for which carbon dioxide (CO 2 ) or water is added to nitrogen-oxygen blast (air, industrial oxygen or air enriched with oxygen) steam (H 2 O).
- CO 2 carbon dioxide
- nitrogen-oxygen blast air, industrial oxygen or air enriched with oxygen
- H 2 O nitrogen-oxygen blast
- the additive of the latter components is aimed at changing the ratio of the CO / H 2 components in the composition of the extracted generator gas in a wide range from 2: 1 to 1: 5, depending on the scope of its further use.
- water vapor H 2 O
- nitrogen-oxygen blast in various combinations with blast.
- water vapor is produced by contactless cooling of CCGT gas in gas wells from 600-700 0 C at the entrance to the well to 150-180 0 C at the head of the well. Recuperative cooling of CCGT gas allows increasing the energy efficiency of the CCGT process by 8-12%.
- carbon dioxide is added to the injected nitrogen-oxygen mixture, thereby increasing the proportion of CO in the extracted combustible mixture to a CO / H 2 ratio of from 1: 2 to 2: 1.
- the best option for autonomous production of carbon dioxide is to extract it from a mixture of generator gas by cooling it in an absorber at a pressure of about 6 MPa.
- the claimed invention allows you to adjust the composition of the gas CCGT, increasing its energy and other consumer properties, it is useful to use the temperature potential in the gasification zone of the underground gas generator on the reaction of reduction of CO 2 and H 2 O to CO and H 2 .
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Solid-Fuel Combustion (AREA)
- Carbon And Carbon Compounds (AREA)
- Industrial Gases (AREA)
Abstract
L'invention concerne la gazéification souterraine de filons de charbon par la transformation de la masse de charbon à l'endroit du gisement en gaz combustible, et par l'utilisation de ce gaz dans de différentes installations de production d'énergie. L'invention vise à créer un procédé universel et pratique de régulation de la composition du gaz obtenu par le procédé de gazéification souterraine de charbons. Selon l'invention, on ajoute au mélange azote - oxygène injecté (N2+O2) le dioxyde de carbone (CO2) et la vapeur d'eau (H2O), et on régule le rapport CO/H2 dans le mélange combustible extrait du gaz de génération, dans une vaste gamme entre 2:1 et 1:5. La possibilité de réguler la composition du gaz obtenu par le procédé de gazéification souterraine des charbons confirme la nouveauté de l'invention.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2005109007 | 2005-03-30 | ||
RU2005109007/03A RU2293845C2 (ru) | 2005-03-30 | 2005-03-30 | Способ регулирования состава газа подземной газификации углей |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2006104425A2 true WO2006104425A2 (fr) | 2006-10-05 |
WO2006104425A8 WO2006104425A8 (fr) | 2007-02-08 |
WO2006104425A3 WO2006104425A3 (fr) | 2007-03-15 |
Family
ID=37053812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/RU2006/000147 WO2006104425A2 (fr) | 2005-03-30 | 2006-03-28 | Procede de regulation de la composition du gaz par la gazeification souterraine des charbons |
Country Status (2)
Country | Link |
---|---|
RU (1) | RU2293845C2 (fr) |
WO (1) | WO2006104425A2 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101988382A (zh) * | 2010-08-31 | 2011-03-23 | 新奥科技发展有限公司 | 调节气化剂在井下的流动方向的可活动设备及方法 |
CN104251133A (zh) * | 2013-06-26 | 2014-12-31 | 新奥气化采煤有限公司 | 一种可控注气点注气装置、注气工艺及气化方法 |
CN104632178A (zh) * | 2014-12-17 | 2015-05-20 | 新奥气化采煤有限公司 | 后退式引火扩孔方法 |
US9963949B2 (en) | 2012-06-28 | 2018-05-08 | Carbon Energy Limited | Sacrificial liner linkages for auto-shortening an injection pipe for underground coal gasification |
US9976403B2 (en) | 2012-06-28 | 2018-05-22 | Carbon Energy Limited | Method for shortening an injection pipe for underground coal gasification |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ614294A (en) * | 2011-03-09 | 2014-05-30 | Linc Energy Ltd | Method and apparatus for treating a raw ucg product stream |
RU2513947C2 (ru) * | 2012-03-12 | 2014-04-20 | Открытое Акционерное Общество "Газпром Промгаз" | Способ утилизации диоксида углерода (со2)из газа подземной газификации угля (пгу) |
US10557338B2 (en) | 2013-09-18 | 2020-02-11 | 1234 10Th Street Llc | Reducing the carbon emissions intensity of a fuel |
CN105804717B (zh) * | 2016-03-10 | 2018-12-04 | 新奥科技发展有限公司 | 地下气化的控制方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4010801A (en) * | 1974-09-30 | 1977-03-08 | R. C. Terry | Method of and apparatus for in situ gasification of coal and the capture of resultant generated heat |
SU941587A1 (ru) * | 1980-12-26 | 1982-07-07 | Ленинградский Ордена Ленина,Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Горный Институт Им. Г.В.Плеханова | Способ подземной газификации угл |
SU1836876A3 (ru) * | 1990-12-29 | 1994-12-30 | Смешанное научно-техническое товарищество по разработке техники и технологии для подземной электроэнергетики | Способ отработки угольных пластов и комплекс оборудования для его осуществления |
RU2177544C2 (ru) * | 2000-02-14 | 2001-12-27 | Дальневосточный государственный технический университет | Способ скважинной добычи угля |
-
2005
- 2005-03-30 RU RU2005109007/03A patent/RU2293845C2/ru not_active IP Right Cessation
-
2006
- 2006-03-28 WO PCT/RU2006/000147 patent/WO2006104425A2/fr unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4010801A (en) * | 1974-09-30 | 1977-03-08 | R. C. Terry | Method of and apparatus for in situ gasification of coal and the capture of resultant generated heat |
SU941587A1 (ru) * | 1980-12-26 | 1982-07-07 | Ленинградский Ордена Ленина,Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Горный Институт Им. Г.В.Плеханова | Способ подземной газификации угл |
SU1836876A3 (ru) * | 1990-12-29 | 1994-12-30 | Смешанное научно-техническое товарищество по разработке техники и технологии для подземной электроэнергетики | Способ отработки угольных пластов и комплекс оборудования для его осуществления |
RU2177544C2 (ru) * | 2000-02-14 | 2001-12-27 | Дальневосточный государственный технический университет | Способ скважинной добычи угля |
Non-Patent Citations (1)
Title |
---|
KREININ E.V.: 'IRTS Gasprom' NETRADITIONNYE TERMICHESKIE TEKHNOLOGII DOBYCHI TRUDNOIZVLEKAEMIKH TOPLIV: UGOL, UGLEVODORODNOE SYRIO, M., OOO 2004, page 107 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101988382A (zh) * | 2010-08-31 | 2011-03-23 | 新奥科技发展有限公司 | 调节气化剂在井下的流动方向的可活动设备及方法 |
US9963949B2 (en) | 2012-06-28 | 2018-05-08 | Carbon Energy Limited | Sacrificial liner linkages for auto-shortening an injection pipe for underground coal gasification |
US9976403B2 (en) | 2012-06-28 | 2018-05-22 | Carbon Energy Limited | Method for shortening an injection pipe for underground coal gasification |
CN104251133A (zh) * | 2013-06-26 | 2014-12-31 | 新奥气化采煤有限公司 | 一种可控注气点注气装置、注气工艺及气化方法 |
CN104632178A (zh) * | 2014-12-17 | 2015-05-20 | 新奥气化采煤有限公司 | 后退式引火扩孔方法 |
Also Published As
Publication number | Publication date |
---|---|
RU2005109007A (ru) | 2006-09-10 |
WO2006104425A8 (fr) | 2007-02-08 |
RU2293845C2 (ru) | 2007-02-20 |
WO2006104425A3 (fr) | 2007-03-15 |
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