CN101135432B - Steam can used for containing and cooling down synthetic gas - Google Patents
Steam can used for containing and cooling down synthetic gas Download PDFInfo
- Publication number
- CN101135432B CN101135432B CN2006101375113A CN200610137511A CN101135432B CN 101135432 B CN101135432 B CN 101135432B CN 2006101375113 A CN2006101375113 A CN 2006101375113A CN 200610137511 A CN200610137511 A CN 200610137511A CN 101135432 B CN101135432 B CN 101135432B
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- syngas cooler
- enclosure wall
- forming gas
- flue
- fluid cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
This invention relates to a steam generator for storage and cooling of the synthetic gas in the gasification process of coal with the radiant and convective surface and an integrated gasification device. It realizes the compact design of low cost via a special device.
Description
Technical field
The present invention relates generally to the coal gasification field, relates to especially be used to the steam generator that holds and cool off the forming gas that coal gasifying process produces.
Background technology
Usually costly and operation possibility and reliability are low compared with competitive solid coal combustion technology such as pulverized coal friring rankine cycle in the integrated gasification combined cycle plants of buring solid fuel (IGCC) power plant.For making IGCC more competitive, the critical piece that haves much room for improvement comprises non-gasifier and radiation and convection current syngas cooler.Owing to the pressure vessel containment and with the economy of its shipping to the on-site size restrictions in most of power plants, the design of radiation syngas cooler has the actual limit of an overall outer dimensions.In the restriction to container diameter, need and to tighten to greatest extent for the radiant heat exchange steam generation surface of refrigerating gas, thereby make the whole height of radiation syngas cooler minimum.
The U.S. Patent No. 4,768,470 of authorizing Ziegler adopts the coaxial flue that is made of the steam generation wall to shorten whole cooler height.This flue that is designed to separate provides independently water loop that thereby independently lifting, cleaning and the inspection of inner and outside flue are provided.Another kind of by Babcock ﹠amp; Thereby surface (" aileron ") occurs with the additional steam that hangs on the flue inboard makes the surface area maximum shorten simultaneously the cooler height in an independent flue of the employing steam generation wall of improving one's methods that Wilcox Company ca. proposed in 1992.Other company adopts identical design such as GHH Mann.
Existing solution does not drop to competitive level with the cost of these parts yet.Adopting the power plant of maximum commercial gas turbine to be used for the height of single radiant coolers of cooling down forming gas can be above 150 foot high.Two coolers have been adopted in the design in some power plants, have reduced like this whole height and have but further increased cost.In addition, too much gasifier, radiant coolers and convection cooler are included in the Power Plant Design to improve the operation possibility in power plant with quite high cost.
The existing solution that is used for the convection current syngas cooler needs parts that are independent of radiant coolers, and connects this two parts with a cooling stack.The convection cooler design comprises the design (water or steam are in pipe, and gas is outside pipe) (Shell Oil Company) of water and steam pipe and the design (gas is in pipe, and water is outside pipe) (Steinmueller and other companies) of fire tube.These two kinds of designs all need to be independent of pressure vessel enclosure and the water/vapour system of radiant coolers.The turbulent flow that produces with the convection cooler porch in gas stack has successively caused the stained source of reluctant fuel ash.
The existing solution that is used for gasifier comprises the refractory outer cover of non-cooling and cooling.Non-cooled enclosure (General Electric, Conoco and other companies) has experienced early stage failure and has constantly substituted.Making these designs have high feasibility needs a gasifier train for subsequent use usually, and/or lights gas turbine with very high cost with oil or gas in the gasifier maintenance process.The number of times of the slow heating and cooling of the non-Cooling Design of thick refractory material has prolonged as maintenance or has changed the time that refractory material is shut down.The water with refractory coating that existing gasifier design (Shell Oil Company, future source of energy company) employing separates or steam generation loop are to pack into and to store gasifying gas.Some system in these systems adopts low pressure, compulsory circulative cooling water system, the heat outside the isolated power plant steam/water system of this system, thus reduced efficient.Be used for the environment facies on this employing and cooling circuit all-in-one-piece steam generation surface, downstream with the burning situation storage comprise Cyclone with the prior art of the thermosetting attitude fuel gas of molten slag
TMPoint hot pot stove (Babcock; Wilcox company).
Therefore obviously, developing a kind of economy, compactness, reliable and solid syngas cooler will be vital to the future with commercial-scale IGCC system.
Summary of the invention
Therefore, an aspect of of the present present invention relates to the syngas cooler that a kind of forming gas for producing from gasification extracts heat.This syngas cooler comprises the housing with entrance and exit; Be contained in the fluid cooling inner flue that is used for receiving forming gas in the housing; Be contained in the fluid cooling external flue that is used in the housing receiving from the forming gas of inner flue; Be positioned at the radiant heat exchange surface that inner flue is used for cooling down forming gas; With the device that forming gas is carried from external flue to the exit.
Another aspect of the present invention relates to a kind of aforesaid syngas cooler that disposes the Convective Heating surface, and it is positioned at external flue, is used for further cooling down forming gas.
Of the present inventionly also relate in one aspect to a kind of syngas cooler that not only in same shell, adopts radiation and Convective Heating surface but also be combined as the integrated gasification device.
The various novel features that the present invention has at length point out and form the part of the disclosure content in appended claims.For a better understanding of the present invention, its service advantages and use in the particular advantage that obtains, be elaborated with reference to the accompanying drawings and to the preferred embodiment of the present invention.
Description of drawings
In the accompanying drawings:
Fig. 1 is the side generalized section of the first embodiment of radiation syngas cooler of the present invention;
Fig. 2 be the direction along the arrow 2-2 of Fig. 1 obtain cutaway view;
Fig. 3 is the side generalized section of the second embodiment of radiation syngas cooler of the present invention, wherein illustrates the layout on Convective Heating surface; With
Fig. 4 is the side generalized section of the 3rd embodiment of radiation syngas cooler of the present invention, wherein illustrates the layout of integrated gasification device.
The specific embodiment
Total referring to accompanying drawing, wherein identical identical or intimate parts of symbolic representation in institute's drawings attached especially referring to Fig. 1, wherein show the side generalized section of first embodiment of the invention, it relates to a radiation syngas cooler, usually represents with 10.This syngas cooler 10 is a hydrostatic column typically, its longitudinal axis vertical orientation.In this embodiment, the thermal synthesis gas 12 of supplying with from gasifier (not shown) for cooler 10 from the entrance 14 that is positioned at cooler 10 tops.Gas 12 enters the inner flue that is positioned at cooler 10 inside or goes along with sb. to guard him zone 16.Inner flue is defined by interior enclosure wall 18, is preferably cylindrically, and typically comprises the fluid cooling tube.Working fluid can be water, steam or its mixture in the pipe.Except the fluid cooling tube that forms interior enclosure wall 18, inner flue 16 also has a large amount of fluid-cooled ailerons surface 20, these surfaces are and hang on integratedly cooler 10 inside so that a large portion of aileron 20 is exposed to the forming gas 12 of introducing, the working fluid (or water, steam or its mixture) of aileron 20 thereby heating is flowed through.Aileron 20 is configured to the flat tube group structure that adjoins each other usually, and have for distribute or aggregate flow through entrance and exit house steward or the collector 22 of the working fluid of aileron 20.The quantity of set aileron 20 and layout will be determined by heat exchange and other factors.Therefore, although Fig. 2 shows the structure of arranging six (6) ailerons 20 around the vertical axes of cooler 10, also can adopt the aileron 20 of more or less quantity to adapt to concrete heat exchange and cooling requirement.When the forming gas 12 of heat is flowed through inner flue 16 downwards, it is by interior enclosure wall 18 and aileron 20 coolings, simultaneously upwards turn round roughly 180 degree by being positioned at the one or more openings 26 on the enclosure wall 18 at bottom section 24 forming gas 12 of inner flue 16, and then enter the external flue that the exterior enclosure wall 30 by interior enclosure wall 18 and same structure defines or go along with sb. to guard him zone 28.External flue 28 just has the shape of general toroidal like this.If necessary, house steward or collector 32 can be set so that the formation of opening 26 is easier.Subsequently, upwards carry forming gas 12 by external flue 28, by one or more openings 34, then leave cooler 10 by forming gas outlet 36.
Distance between interior enclosure wall 18 and the exterior enclosure wall 30, and the distance between the shell 38 of exterior enclosure wall 30 and formation cooler 10 all will be enough large, thus when not working, cooler 10 can not enter and check.In forming and external flue 16,28 enclosure wall 18,30 all will preferably be set to have separately independently stream so that other lifting, cleaning and inspection to be provided.All water/steam generation surface will be arranged to carry out Natural Circulation, avoid the demand to the forced circulation system with circulating pump.The entrained solid thing tends to leave forming gas 12 at bottom section 24 in the thermal synthesis gas 12 that flows downward along inner flue 16, and here forming gas 12 turns round upwards roughly that 180 degree enter external flue 28.Solids falls into the water-bath section 38 that is positioned at cooler 10 bottoms, thereby makes the solids cooling and pass through 40 discharges of solids outlet.If need to avoid the obstruction that caused by the solids that gathers, can soot blower 42 be set at opening 26 places of bottom section 24, wherein forming gas 12 180 degree that turn round in this zone enter external flue 28.
In and external flue 16,28 and be positioned at the combination of aileron 20 of inner flue 16 so that the whole height of cooler 10 significantly is lower than any independent structure.In inner flue 16, hold in aileron house steward 22 and the other jockey (not shown), for in independently and external flue 16,28 be provided for the space that promotes and clear up, with 16 designs of a kind of new inner flue of needs, particularly in the bottom of inner flue 16.
Perhaps, heat based on the forming gas 12 of supplying with cooler 10 needs the other area of heating surface, is used for realizing that the second embodiment of the present invention of this target is shown in Figure 3.As it may occur to persons skilled in the art that the second embodiment is identical with the first embodiment part technical characterictic shown in Figure 1, and its special character is to have the layout on the Convective Heating surface 50 that is positioned at as shown in the figure external flue 28.This Convective Heating surface 50 can water-cooled or the steam cooling, and by being arranged to make flow through one or more pipe groups of its outside of forming gas 12 to form.The group on Convective Heating surface 50 can be arranged on around the periphery of cooler 10 any position in the external flue 28.A special feature is in this embodiment, Convective Heating surface 50 can with have in and exterior enclosure wall 18,30 steam generation surface adopt separately same stream (a kind of type of cooling of integral body), thereby eliminate the demand to the cooling system that separates.Perhaps, the stream of separation also can be adopted in Convective Heating surface 50.After flowing through Convective Heating surface 50, forming gas 12 leaves external flue 28 via opening 34, leaves cooler via gas vent 36 again.Soot blower 52 can be set
Cleaning Convective Heating surface 50 is to avoid obstruction.
The demand to the convection cooler parts that are independent of radiant coolers 10 and separate with radiant coolers 10 has been eliminated on Convective Heating surface 50, and to the other additional tube connector with inflection point, identical pressure vessel containment and in the situation next one of the aforementioned whole type of cooling demand of cooling system independently.The forming gas 12 that is upward through the Convective Heating surface 50 that is positioned at external flue 28 from radiation cooling segment (inner flue 16) is substantially along straight ahead, thereby makes the porch gas turbulence degree of external flue 28 minimum.This drops to minimum with regard to the possibility that uncontrolled lime-ash is stopped up, and allows soot blower 52 is set so that it is cleaned near Convective Heating surface 50.This design and turbulent flow are compared useful especially with subsidiary uncontrolled blockage problem, above-mentioned blockage problem typically can run at the unexpected entrance of the entrance tube sheet place pipe of fire tube cooler design.
If necessary, being applied to the structure of gasification system and the further simplification of equipment can realize by the third embodiment of the present invention, as shown in Figure 4.As shown in the figure, this layout extends upward the pipe group that composition defines the enclosure wall 18 of inner flue 16, so as the upper area of cooler 10 form an integral body, the fluid gasifier goes along with sb. to guard him zone 60.Integrated gasification device 60 is located in cooler 10 inside like this, for inner flue 16 provides forming gas 12.Form gasifier and go along with sb. to guard him the pipe group of the enclosure wall 62 in zone 60 and have refractory coating 64, do not destroyed and the environment temperature that gasifier is gone along with sb. to guard him zone 60 is maintained the temperature of the suitable gasification reaction of enough generations with protection tube group surface by slag.
Go along with sb. to guard him zone 60 according to gasifier of the present invention and overcome the problem that gasifier can run in non-cooling, fire-resistant gasifier and the prior art.The present invention incorporates same fluid cooling circuit that radiant coolers 10 has into to improve previous gasifier design by gasifier being gone along with sb. to guard him zone 60 cooling circuit, has eliminated the demand to the cooling system that separates.This design has also been reclaimed from gasifier and has been gone along with sb. to guard him regional 60 liberated heats, and imports it steam/water system of gasification installation into, thus raise the efficiency and the device life cycle in the appropriateness the fuel savings cost.
The discussion of each among above-mentioned three kinds of embodiment has been listed the technical advantage of its relative prior art.From the angle of commerce, the design concept of inside/outside flue and aileron combination has been reduced cost significantly by the overall height that reduces significantly the radiation syngas cooler.The reduction of cost not only comes from the cost of external container, and from the reduction of the cost of cost of transportation, fuel channel cost, steel construction cost and construction on site parts.Provide separable in and external flue make maintenance cost minimum.This is extremely important to the gasifying process cooler, and this cooler stands worse corrosive environment and needs more maintenance time than employed burning gases cooler in traditional powdered coal equipment.
Convective Heating surface and radiation are cooled off and are gone along with sb. to guard him the zone and be combined as a whole and reduced the cost of separating component.At the cost highly significant of this saving, because except having saved the extra pressure container cost, also have the gas stack of simplification and the reduction of steam/water pipe cost, steel construction cost and construction cost.Owing to reduced or eliminated the convection cooler obstruction, the fund cost of saving the cost that comes all convection coolers in can the ratio device life cycle from the high feasibility of buring solid fuel is more.
Whole, gasifier combination by eliminating the demand of the pressure vessel that separates and some cooling lines score from the gasifier appropriateness saved cost.Let it be to the greatest extent, and fund cost may be slightly higher than non-gasifier, can believe, adopts solid-fuelled high feasibility will surmount significantly, widely the difference of any fund cost.
The cost savings that obtain from several or all these three kinds combinations of allowing the design concept of cancellation replacement part series are significant.In addition, such saving has exceeded the scope of additional components, expands to the steel construction around all support equipments and these parts and the construction cost of building it.Can draw like this, important, a basic improvement that is brought by the present invention relates to parts independently is merged into the parts of an integral body so that its compactness, low cost, more reliable and be easier to maintenance.
Although the in order to demonstrate the invention application of principle, have been illustrated and described in detail in specific embodiments of the invention, but it may occur to persons skilled in the art that the present invention can change with the form of the present invention that claim was covered on the basis that does not break away from these principles.In certain embodiments of the present invention, some technical characterictic of the present invention is used to obtain advantage sometimes when not corresponding use other technologies feature.Therefore, all these changes and embodiment fall within the scope of claim fully.
Claims (14)
1. syngas cooler that is used for extracting from the forming gas that gasifying process produces heat, it comprises:
Housing, described housing have top, bottom, are arranged on entrance and the outlet at center, described top;
Be contained in the fluid cooling inner flue that is used for receiving forming gas in the housing, described inner flue has the body that is limited by interior enclosure wall, and described interior enclosure wall is made of the fluid cooling tube;
Be contained in the fluid cooling external flue that is used in the housing receiving from the forming gas of inner flue, described external flue is annular, and has the body that is limited by described interior enclosure wall and exterior enclosure wall, and described exterior enclosure wall is made of the fluid cooling tube;
Except the enclosure wall of described inner flue, be positioned in addition at least one radiant heat exchange surface that inner flue is used for cooling down forming gas;
The device that forming gas is carried from external flue to the exit;
Wherein, described interior enclosure wall and described exterior enclosure wall are set to have independently stream separately so that other lifting, cleaning and inspection to be provided; With
Wherein, described at least one radiant heat exchange surface is by fluid-cooled aileron surface composition, described aileron surface is and hangs on integratedly syngas cooler inside so that a large portion on aileron surface is exposed in the forming gas of introducing, and the aileron surface is comprised of the flat tube group that adjoins each other and has for the entrance and exit collector of distributed flow through the fluid of described aileron.
2. syngas cooler as claimed in claim 1, it is characterized in that, this syngas cooler comprises that the bottom that is arranged in syngas cooler be used for to receive and cooling be entrained in forming gas solids water-bath section and be used for discharging from syngas cooler the solids outlet of solids.
3. syngas cooler as claimed in claim 1 is characterized in that, fluid cooling external flue is comprised of the enclosure wall that fluid cooling tube group consists of.
4. syngas cooler as claimed in claim 1 is characterized in that, forming gas when being transported to external flue from inner flue at the bottom section of syngas cooler roughly 180 degree that turn round.
5. syngas cooler as claimed in claim 4 is characterized in that, forming gas is transferred by the one or more openings on the enclosure wall that forms inner flue.
6. syngas cooler as claimed in claim 5 is characterized in that, this syngas cooler comprises near the sootblower arrangement the one or more openings that are arranged on the enclosure wall that forms inner flue.
7. syngas cooler as claimed in claim 3 is characterized in that, for the one or more openings that comprise from external flue to the device that exports the conveying forming gas on the enclosure wall that forms external flue.
8. syngas cooler as claimed in claim 1 is characterized in that, this syngas cooler comprises and is positioned at the Convective Heating surface that external flue is used for cooling down forming gas.
9. syngas cooler as claimed in claim 8 is characterized in that, the Convective Heating surface comprises one or more pipe groups that are configured to make the forming gas flowing pipe outside.
10. syngas cooler as claimed in claim 8 is characterized in that, this syngas cooler comprises and is arranged on the sootblower arrangement that the Convective Heating near surface is used for cleaning Convective Heating surface.
11. syngas cooler as claimed in claim 1 is characterized in that, this syngas cooler comprises that also one is contained in enclosure interior for generation of the fluid cooling integrated gasification device of forming gas, and described integrated gasification device is the inner flue application of syngas.
12. syngas cooler as claimed in claim 11 is characterized in that, the integrated gasification device is positioned at the upper area of syngas cooler and the enclosure wall that is made of fluid cooling tube group forms.
13. syngas cooler as claimed in claim 12 is characterized in that, fluid cooling inner flue is comprised of the enclosure wall that the fluid cooling tube consists of, and the described fluid cooling tube that forms inner flue extends upward to form the enclosure wall of integrated gasification device.
14. syngas cooler as claimed in claim 12 is characterized in that, the fluid cooling tube that forms the enclosure wall of integrated gasification device is coated with refractory coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101375113A CN101135432B (en) | 2006-09-01 | 2006-09-01 | Steam can used for containing and cooling down synthetic gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101375113A CN101135432B (en) | 2006-09-01 | 2006-09-01 | Steam can used for containing and cooling down synthetic gas |
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| Publication Number | Publication Date |
|---|---|
| CN101135432A CN101135432A (en) | 2008-03-05 |
| CN101135432B true CN101135432B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006101375113A Expired - Fee Related CN101135432B (en) | 2006-09-01 | 2006-09-01 | Steam can used for containing and cooling down synthetic gas |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8597385B2 (en) * | 2009-04-16 | 2013-12-03 | General Electric Company | Method and apparatus for shielding cooling tubes in a radiant syngas cooler |
| US8420031B2 (en) * | 2010-10-19 | 2013-04-16 | General Electric Company | System and method of substitute natural gas production |
| CN103013577B (en) * | 2012-12-11 | 2014-07-02 | 中国东方电气集团有限公司 | Integral rotational radiation preheating mixing energy utilization device with flue gas chilling |
| CN102977931B (en) * | 2012-12-11 | 2014-08-27 | 中国东方电气集团有限公司 | Integrated rotary radiation preheating mixing type heat recovery device with smoke chilling function |
| CN103013578A (en) * | 2012-12-11 | 2013-04-03 | 中国东方电气集团有限公司 | Integrated bunch type radiant boiler and preheating boiler mixed energy utilization device |
| CN103013582B (en) * | 2012-12-11 | 2014-08-27 | 中国东方电气集团有限公司 | Integral bunchy radiation preheating mixing-type energy utilization device with flue gas chilling |
| CN103013579B (en) * | 2012-12-11 | 2014-08-27 | 中国东方电气集团有限公司 | Integrated sarciniform radiation preheating hybrid heat recovery device with flue gas chilling function |
| CN103013580A (en) * | 2012-12-11 | 2013-04-03 | 中国东方电气集团有限公司 | Integrated bunch type radiant boiler and preheating boiler mixed heat recovery device |
| CN102966938A (en) * | 2012-12-11 | 2013-03-13 | 中国东方电气集团有限公司 | Bundle radiation boiler capable of relieving combustion fouling of perbasic coal |
| CN104373925A (en) * | 2014-11-25 | 2015-02-25 | 中国东方电气集团有限公司 | CFB radiation mixed boiler capable of reducing contamination of high-alkalinity coal |
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| US4377132A (en) * | 1981-02-12 | 1983-03-22 | Texaco Development Corp. | Synthesis gas cooler and waste heat boiler |
| US4481014A (en) * | 1981-02-26 | 1984-11-06 | L. & C. Steinmuller Gmbh | Arrangement for producing gaseous products |
| EP0199251A1 (en) * | 1985-04-26 | 1986-10-29 | Siemens Aktiengesellschaft | Waste heat steam generator |
| CN1042229A (en) * | 1988-10-26 | 1990-05-16 | 苏舍兄弟有限公司 | The heating gas refrigerating unit that coal gas generation equipment is used |
| US5976203A (en) * | 1997-04-08 | 1999-11-02 | Metallgesellschaft Aktiengellschaft | Synthesis gas generator with combustion and quench chambers |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH643649A5 (en) * | 1980-09-19 | 1984-06-15 | Sulzer Ag | HOT GAS COOLER WITH A PRESSURE TANK. |
| US5713312A (en) * | 1995-03-27 | 1998-02-03 | Combustion Engineering, Inc. | Syngas cooler with vertical surface superheater |
-
2006
- 2006-09-01 CN CN2006101375113A patent/CN101135432B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4377132A (en) * | 1981-02-12 | 1983-03-22 | Texaco Development Corp. | Synthesis gas cooler and waste heat boiler |
| US4481014A (en) * | 1981-02-26 | 1984-11-06 | L. & C. Steinmuller Gmbh | Arrangement for producing gaseous products |
| EP0199251A1 (en) * | 1985-04-26 | 1986-10-29 | Siemens Aktiengesellschaft | Waste heat steam generator |
| CN1042229A (en) * | 1988-10-26 | 1990-05-16 | 苏舍兄弟有限公司 | The heating gas refrigerating unit that coal gas generation equipment is used |
| US5976203A (en) * | 1997-04-08 | 1999-11-02 | Metallgesellschaft Aktiengellschaft | Synthesis gas generator with combustion and quench chambers |
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| CN101135432A (en) | 2008-03-05 |
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Granted publication date: 20130424 Termination date: 20210901 |