USB375220I5 - - Google Patents
Info
- Publication number
- USB375220I5 USB375220I5 US37522073A USB375220I5 US B375220 I5 USB375220 I5 US B375220I5 US 37522073 A US37522073 A US 37522073A US B375220 I5 USB375220 I5 US B375220I5
- Authority
- US
- United States
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
- C10J3/22—Arrangements or dispositions of valves or flues
- C10J3/24—Arrangements or dispositions of valves or flues to permit flow of gases or vapours other than upwardly through the fuel bed
- C10J3/26—Arrangements or dispositions of valves or flues to permit flow of gases or vapours other than upwardly through the fuel bed downwardly
-
- 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
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/06—Continuous processes
- C10J3/08—Continuous processes with ash-removal in liquid state
-
- 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
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
- C10J3/30—Fuel charging devices
-
- 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
- C10J3/74—Construction of shells or jackets
-
- 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
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
-
- 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
-
- 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
- C10J2300/093—Coal
-
- 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
- C10J2300/0943—Coke
-
- 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
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
-
- 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
- C10J2300/0973—Water
- C10J2300/0976—Water as steam
-
- 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
- C10J2300/0983—Additives
- C10J2300/0996—Calcium-containing inorganic materials, e.g. lime
-
- 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
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1861—Heat exchange between at least two process streams
- C10J2300/1884—Heat exchange between at least two process streams with one stream being synthesis gas
-
- 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
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1861—Heat exchange between at least two process streams
- C10J2300/1892—Heat exchange between at least two process streams with one stream being water/steam
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gasification And Melting Of Waste (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US375220A US3920417A (en) | 1973-06-29 | 1973-06-29 | Method of gasifying carbonaceous material |
| CA198,536A CA1029197A (en) | 1973-06-29 | 1974-04-30 | Carbonaceous material gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US375220A US3920417A (en) | 1973-06-29 | 1973-06-29 | Method of gasifying carbonaceous material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| USB375220I5 true USB375220I5 (en) | 1975-01-28 |
| US3920417A US3920417A (en) | 1975-11-18 |
Family
ID=23480001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US375220A Expired - Lifetime US3920417A (en) | 1973-06-29 | 1973-06-29 | Method of gasifying carbonaceous material |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3920417A (en) |
| CA (1) | CA1029197A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4309024A (en) | 1977-07-18 | 1982-01-05 | Modern Equipment Company | Cupola with auxiliary gas generator |
| FR2520375A1 (en) * | 1982-01-26 | 1983-07-29 | Iakovenko Marinitch Vladimir | Modular gasification appts. for combustible materials - such as garbage on straw, using towers for combustion, steam generation, and washing of gases |
| EP0159420A1 (en) * | 1984-03-20 | 1985-10-30 | JAMES HOWDEN & COMPANY LIMITED | Reactor for gasifying solid fuel |
| US4813179A (en) | 1986-04-01 | 1989-03-21 | Distrigaz S.A. | Process for the cocurrent gasification of coal |
| CN108841419A (en) * | 2018-09-06 | 2018-11-20 | 洛阳智多鑫机械科技有限公司 | A kind of rotating supporting device used for UGI coal gasification burner |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4069024A (en) * | 1977-05-09 | 1978-01-17 | Combustion Engineering, Inc. | Two-stage gasification system |
| US4158552A (en) * | 1977-08-29 | 1979-06-19 | Combustion Engineering, Inc. | Entrained flow coal gasifier |
| US4175929A (en) * | 1978-08-29 | 1979-11-27 | The United States Of America As Represented By The United States Department Of Energy | Process for control of pollutants generated during coal gasification |
| US4346317A (en) * | 1980-08-18 | 1982-08-24 | Combustion Engineering, Inc. | Gasified coal-fired system |
| US4332641A (en) * | 1980-12-22 | 1982-06-01 | Conoco, Inc. | Process for producing calcined coke and rich synthesis gas |
| SE434163B (en) * | 1981-03-10 | 1984-07-09 | Skf Steel Eng Ab | SET AND DEVICE FOR PREPARING A MAIN COOLOXIDE AND VETGAN CONTAINING GAS FROM COAL AND / OR CARBON-CONTAINING INGREDIENTS |
| US4439210A (en) * | 1981-09-25 | 1984-03-27 | Conoco Inc. | Method of catalytic gasification with increased ash fusion temperature |
| AT387786B (en) * | 1984-03-22 | 1989-03-10 | Waagner Biro Ag | METHOD FOR THE GASIFICATION OF CARBONATED MATERIALS |
| GB2183249A (en) * | 1985-11-04 | 1987-06-03 | James Willis Associates Ltd | Thermal reactor |
| DE4226015C1 (en) * | 1992-08-06 | 1994-01-13 | Schwarze Pumpe Energiewerke Ag | Process for the disposal of solid and liquid waste in the gasification process in fixed bed pressure gasification |
| US5370715A (en) * | 1993-04-27 | 1994-12-06 | Kortzeborn; Robert N. | Waste destructor and method of converting wastes to fluid fuel |
| CA2132689C (en) * | 1993-09-28 | 1998-02-03 | David A. Stats | Two stage carbonizer |
| TW245651B (en) * | 1994-02-24 | 1995-04-21 | Babcock & Wilcox Co | Black liquor gasifier |
| GB9925199D0 (en) * | 1999-10-25 | 1999-12-22 | Mortimer Tech Holdings | Process for the production of gaseous fuel |
| DE10028394B4 (en) * | 2000-06-13 | 2008-12-04 | Herlt Sonnenenergiesysteme | Method and apparatus for gasifying large-scale solid fuels, in particular bales of biomass |
| DE10127138C2 (en) * | 2000-06-23 | 2003-12-24 | Nachhaltige Stoffnutzung Mbh G | Method and device for generating a fuel gas from biomass |
| US20020020363A1 (en) * | 2000-07-25 | 2002-02-21 | Scotlund Stivers | Pressure relief system |
| US20020020112A1 (en) * | 2000-07-25 | 2002-02-21 | Scotlund Stivers | Process and apparatus for manufacturing fuel gas and liquid fuels from trash, other waste materials and solid fuels |
| DE20200095U1 (en) * | 2002-01-04 | 2003-05-08 | Umweltkontor Renewable Energy AG, 04158 Leipzig | Co-current shaft reactor |
| DE10226862B3 (en) * | 2002-06-15 | 2004-01-29 | Gesellschaft für Nachhaltige Stoffnutzung mbH | Method and device for generating a fuel gas from biomass |
| US20090100752A1 (en) * | 2004-06-26 | 2009-04-23 | Sessa John P | Device for converting carbonaceous matter into synthesis gas and associated methods |
| US8142528B2 (en) | 2005-11-30 | 2012-03-27 | General Electric Company | Methods and systems of reducing viscosity of gasification system slag |
| WO2007133511A2 (en) * | 2006-05-08 | 2007-11-22 | Ceramatec, Inc. | Plasma-catalyzed, thermally-integrated, reformer for fuel cell systems |
| US7736402B2 (en) * | 2006-07-11 | 2010-06-15 | Crorey Jr William G | Biomass gasifier |
| US8618436B2 (en) | 2006-07-14 | 2013-12-31 | Ceramatec, Inc. | Apparatus and method of oxidation utilizing a gliding electric arc |
| JP5180236B2 (en) | 2007-02-23 | 2013-04-10 | セラマテック・インク | Ceramic electrode for sliding electric arc |
| US8105401B2 (en) | 2007-07-10 | 2012-01-31 | Refill Energy, Inc. | Parallel path, downdraft gasifier apparatus and method |
| US9359567B2 (en) | 2007-07-10 | 2016-06-07 | Stratean, Inc. | Gasification method using feedstock comprising gaseous fuel |
| US8211191B2 (en) * | 2007-08-07 | 2012-07-03 | Phillips 66 Company | Upright gasifier |
| US8506660B2 (en) * | 2007-09-12 | 2013-08-13 | General Electric Company | Nozzles for use with gasifiers and methods of assembling the same |
| GB2453111B (en) * | 2007-09-25 | 2010-12-08 | Refgas Ltd | Gasification |
| WO2010017513A2 (en) * | 2008-08-08 | 2010-02-11 | Ceramatec, Inc. | Plasma-catalyzed fuel reformer |
| CN103154210B (en) * | 2010-08-16 | 2015-07-22 | 能源与环境研究中心基金会 | Sandwich gasification process for high-efficiency conversion of carbonaceous fuels to clean syngas with zero residual carbon discharge |
| US8945507B2 (en) | 2011-04-21 | 2015-02-03 | Kellogg Brown & Root Llc | Systems and methods for operating a gasifier |
| US8673181B2 (en) | 2011-08-11 | 2014-03-18 | Kellogg Brown & Root Llc | Systems and methods for starting up a gasifier |
| US9388980B2 (en) | 2011-12-15 | 2016-07-12 | Kellogg Brown + Root LLC | Systems and methods for gasifying a hydrocarbon feedstock |
| US9080768B2 (en) | 2012-11-08 | 2015-07-14 | General Electric Company | Gasifier preheater fuel system and methods of assembling same |
| US9017437B2 (en) | 2012-12-11 | 2015-04-28 | Ceramatec, Inc. | Method for forming synthesis gas using a plasma-catalyzed fuel reformer |
| SI25770A (en) * | 2019-01-07 | 2020-07-31 | Teos Perne | Process of gasification of solid materials that contain carbon, with an emphasized tar concentration and their catalytic conversion into carbon monoxide and hydrogen |
| DE102020208690B4 (en) | 2020-07-10 | 2022-02-24 | Vyacheslav Ivanov A. | Gas generation plant and gas generation process for generating hydrogen-containing synthesis gas |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2042998A (en) * | 1932-01-16 | 1936-06-02 | Combustion Utilities Corp | Oil gasification process |
| US2111579A (en) * | 1933-07-07 | 1938-03-22 | Ig Farbenindustrie Ag | Gasification of fine-grained solid fuels |
| US2133496A (en) * | 1933-11-16 | 1938-10-18 | Ig Farbenindustrie Ag | Gas generating process |
| US2281562A (en) * | 1939-12-15 | 1942-05-05 | Emulsions Process Corp | Fuel gas production |
| US2558746A (en) * | 1948-02-10 | 1951-07-03 | Texas Co | Production of carbon monoxide and other gases from carbonaceous materials |
| US2657124A (en) * | 1948-12-30 | 1953-10-27 | Texas Co | Generation of heating gas from solid fuels |
| US2662006A (en) * | 1953-01-16 | 1953-12-08 | Socony Vacuum Oil Co Inc | Gas manufacture |
| US2691573A (en) * | 1950-12-15 | 1954-10-12 | Phillips Petroleum Co | Desulfurization in the gasification of coal |
| US2830883A (en) * | 1954-04-29 | 1958-04-15 | Texas Co | Gasification of sulfur-bearing carbonaceous fuels |
| US3186830A (en) * | 1963-05-20 | 1965-06-01 | William H Moore | Melting process |
-
1973
- 1973-06-29 US US375220A patent/US3920417A/en not_active Expired - Lifetime
-
1974
- 1974-04-30 CA CA198,536A patent/CA1029197A/en not_active Expired
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2042998A (en) * | 1932-01-16 | 1936-06-02 | Combustion Utilities Corp | Oil gasification process |
| US2111579A (en) * | 1933-07-07 | 1938-03-22 | Ig Farbenindustrie Ag | Gasification of fine-grained solid fuels |
| US2133496A (en) * | 1933-11-16 | 1938-10-18 | Ig Farbenindustrie Ag | Gas generating process |
| US2281562A (en) * | 1939-12-15 | 1942-05-05 | Emulsions Process Corp | Fuel gas production |
| US2558746A (en) * | 1948-02-10 | 1951-07-03 | Texas Co | Production of carbon monoxide and other gases from carbonaceous materials |
| US2657124A (en) * | 1948-12-30 | 1953-10-27 | Texas Co | Generation of heating gas from solid fuels |
| US2691573A (en) * | 1950-12-15 | 1954-10-12 | Phillips Petroleum Co | Desulfurization in the gasification of coal |
| US2662006A (en) * | 1953-01-16 | 1953-12-08 | Socony Vacuum Oil Co Inc | Gas manufacture |
| US2830883A (en) * | 1954-04-29 | 1958-04-15 | Texas Co | Gasification of sulfur-bearing carbonaceous fuels |
| US3186830A (en) * | 1963-05-20 | 1965-06-01 | William H Moore | Melting process |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4309024A (en) | 1977-07-18 | 1982-01-05 | Modern Equipment Company | Cupola with auxiliary gas generator |
| FR2520375A1 (en) * | 1982-01-26 | 1983-07-29 | Iakovenko Marinitch Vladimir | Modular gasification appts. for combustible materials - such as garbage on straw, using towers for combustion, steam generation, and washing of gases |
| EP0159420A1 (en) * | 1984-03-20 | 1985-10-30 | JAMES HOWDEN & COMPANY LIMITED | Reactor for gasifying solid fuel |
| US4813179A (en) | 1986-04-01 | 1989-03-21 | Distrigaz S.A. | Process for the cocurrent gasification of coal |
| CN108841419A (en) * | 2018-09-06 | 2018-11-20 | 洛阳智多鑫机械科技有限公司 | A kind of rotating supporting device used for UGI coal gasification burner |
| CN108841419B (en) * | 2018-09-06 | 2023-09-29 | 南京横溪农业发展有限公司 | Rotary supporting device for UGI coal gasification furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1029197A (en) | 1978-04-11 |
| US3920417A (en) | 1975-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STCK | Information on status: patent revival |
Free format text: ABANDONED - RESTORED |