US20130320266A1 - Gasification reactor and process - Google Patents
Gasification reactor and process Download PDFInfo
- Publication number
- US20130320266A1 US20130320266A1 US13/825,457 US201113825457A US2013320266A1 US 20130320266 A1 US20130320266 A1 US 20130320266A1 US 201113825457 A US201113825457 A US 201113825457A US 2013320266 A1 US2013320266 A1 US 2013320266A1
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- Prior art keywords
- skirt portion
- upper section
- rappers
- gasification
- gasification reactor
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- 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
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- 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
- C10J3/48—Apparatus; Plants
- C10J3/485—Entrained flow gasifiers
- C10J3/487—Swirling or cyclonic gasifiers
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- 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
- C10J3/48—Apparatus; Plants
- C10J3/52—Ash-removing 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
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/52—Ash-removing devices
- C10J3/526—Ash-removing devices for entrained flow gasifiers
-
- 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
- C10J3/76—Water jackets; Steam boiler-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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G7/00—Cleaning by vibration or pressure waves
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- 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
- C10J2200/00—Details of gasification apparatus
- C10J2200/09—Mechanical details of gasifiers not otherwise provided for, e.g. sealing means
Definitions
- the present invention relates to a gasification reactor and a process for the production of syngas by gasification of a carbonaceous feed, wherein the reactor comprises a pressure vessel encasing a gasifier unit and a slag collection bath.
- Synthetic gas, or syngas is produced by gasification of carbonaceous feedstock, such as pulverized coal.
- the carbonaceous feed is partially oxidised in a gasifier unit by a plurality of burners extending into the gasifier.
- the produced syngas contains slag particles and fly ash as by-products. Slag particles whirl down into the slag collection bath, which typically contains water and is provided with an outlet for the removal of used water and collected slag. Part of the slag particles form deposits on the inner wall surfaces of the gasifier unit. If the slag lumps are sufficiently large and heavy, they fall down into the slag collection bath.
- the object of the invention is to reduce the risk of blockage of the outlet of the slag collection bath, and to be able to use gasification reactors for a broader range of coal types.
- the object is achieved with a gasification reactor for the production of syngas by gasification of a carbonaceous feed, wherein the gasification reactor comprises a pressure vessel encasing a gasifier unit with a reactor chamber having its lower end opening into an open-ended skirt portion arranged above a slag collection bath, wherein the skirt portion is arranged within the impacting scope of one or more rappers.
- rappers are typically used for removing fouling that does not fall off by itself. In this case, rappers are not required for slag removal since the slag deposits do fall down under their own weight from the skirt portion.
- the size of the slag deposits can be controlled and be kept small enough to prevent blockage of the slag collection bath discharge. This way, the gasification reactor can be used for a broader range of carbonaceous feed types, including coal types producing high slag contents.
- the skirt portion can for instance have a narrowing upper section narrowing down in upward direction, with the wider part of the skirt portion situated towards the slag bath. Such a section forms a particularly suitable spot for rapping, since the largest slag deposits are collected at the inner surface of that location.
- the skirt portion may comprise a tubular, e.g., cylindrical lower section arranged within the impacting scope of the one or more rappers.
- the upper section and/or other parts of the skirt portion can be built of parallel coolant conduits interconnected to form a gastight membrane.
- the coolant can for instance be water.
- the skirt portion can, e.g., wholly or partly be made of one or more plates, the skirt portion comprising an outer surface provided with one or more coolant channels.
- anvil plates can be provided on the outer surface of the skirt portion in the impacting scope of one or more of the rappers.
- the rappers can for example extend through the wall of the pressure vessel. This enhances accessibility of the rappers for maintenance and repair.
- the rappers can for example comprise a housing extending from the outer surface of the pressure vessel, a striker rod having one end slideably supported by an opening in the housing and one end contacting the anvil plate, and an activatable impacting device having a rammer head movable in line with the striker rod between a distal position at a distance from the striker rod, and an impacting position in which it impacts the striker rod.
- Suitable rappers are for instance rappers of the type disclosed in WO 2010/063752 or WO 2010/063755.
- the skirt portion can be provided with a refractory liner, but to improve impact resistance against the rappers impact a refractory liner can be omitted.
- the skirt portion will show rotational symmetry, e.g., having a cylindrical lower section and a conical upper section, but other suitable tubular configurations can be used as well, if so desired.
- the upper section of the skirt portion can be conical, or it can have any other narrowing geometry, if so desired.
- the one or more rappers can be activated to rap with a desired frequency.
- FIG. 1 shows schematically a longitudinal cross section of a gasification reactor according to the present invention
- FIG. 2 shows in detailed cross section the rapper of the reactor in FIG. 1 .
- FIG. 1 shows a gasification reactor 1 for the production of syngas by partial combustion of a carbonaceous feed, in particular pulverized coal.
- the gasification reactor 1 comprises a gasifier unit 2 in a vertically oriented elongated pressure vessel 3 .
- the gasifier unit 2 comprises a reactor chamber 2 A and a skirt portion 2 B.
- the reactor chamber 2 A has a lower end 4 narrowing down to an opening 5 which opens into the space surrounded by the skirt portion 2 B, and an open upper end 6 forming an outlet for the syngas, which can be further transported to, e.g., a cooler.
- the skirt portion 2 B comprises a cylindrical lower section 8 arranged above a slag collection bath 7 and a conical upper section 9 narrowing down in upward direction to fence the opening 5 , such that the top end of conical upper section 9 is narrower at the connection point with the lower end of the reactor chamber 2 A than the bottom portion of upper conical section 9 .
- the skirt portion 2 B is built of helically wound conduits 34 (see FIG. 2 ) for transporting a cooling liquid, such as water.
- the conduits 34 are interconnected to form a gastight membrane.
- the skirt portion can be made of one or more plates comprising coolant channels on its outer surface.
- the slag bath 7 comprises a cylindrical housing 11 encasing a conical funnel 12 narrowing down to a slag discharge opening 13 .
- the skirt portion 2 B is not provided with a refractory liner.
- a refractory liner can be used, if so desired.
- a plurality of burners 14 extend into the reactor chamber 2 A to supply a mixture of pulverized coal, oxygen and steam. This mixture is ignited for partial combustion to produce synthetic gas, or syngas, with slag and fly ash as by-products.
- the syngas flows upward towards the opening 6 .
- the freshly produced syngas contains slag particles.
- the larger, heavier parts fall down into the slag collection bath 7 .
- Part of the hot syngas swirls down via the opening 5 into the space enclosed by the skirt 2 B. This creates a turbulence within the skirt 2 B.
- the cylindrical section 8 and the conical upper section 9 of the skirt 2 B are cooled by a liquid coolant circulating through the conduits forming the skirt 2 B.
- Syngas swirling within the space enclosed by the skirt portion 2 B flows along the cooled surfaces 8 , 9 .
- the syngas cools down and leaves deposits of solidified slag particles on the cooled membrane of the skirt 2 B. Once the deposits have grown sufficiently heavy, they fall down from the cooled membrane of the skirt 2 B into the slag collection bath 7 . To remove the collected slag, the slag collection bath 7 is regularly emptied by opening the slag discharge 13 .
- the conical upper section 9 of the skirt 2 B is impacted by a rapper 15 , which is shown in more detail in FIG. 2 .
- the rapper 15 may for instance impact the cylindrical section 8 of the skirt portion 2 B. It is also possible to combine rappers 15 impacting the conical upper section 9 with rappers impacting the cylindrical section 8 .
- the rapper 15 extends through the wall of the pressure vessel 3 .
- the rapper 15 comprises an impact device 16 attached to a housing 17 on the wall of the pressure vessel 3 .
- the housing 17 comprises a first flanged bus 18 branching off from the wall of the pressure vessel wall 3 .
- the bus 18 comprises a flange 19 connected to a top flange 20 defining a passage opening 21 for a striker rod 22 .
- In line with the passage opening 21 is a cylindrical spacer 23 .
- the spacer 23 carries the impact device 16 which has a rammer head 24 in line with the striker rod 22 and opposite a free end 25 of the striker rod 22 .
- the striker rod 22 comprises an end 26 engaging an anvil plate 27 .
- the anvil plate 27 has one side 27 A following the outer surface of the skirt portion 2 B, and an opposite side 27 B with a vertical flat surface engaging the end 26 of striker rod 19 .
- the striker rod 22 runs though a cylindrical support member 28 within the pressure vessel 3 .
- the cylindrical support member 28 has one end closed with an end wall 29 with a central opening 30 in which the striker rod 22 is slideably supported.
- the opposite second end of the cylindrical support member 28 is connected to the top flange 20 in a gastight manner.
- the cylindrical support 28 encloses an inner space 31 which is in open connection to a sealing gas supply channel 32 which is operatively connected to a sealing gas supply 33 .
- an inert sealing gas such as nitrogen
- the pressure within the pressure vessel 3 is substantially higher than atmospheric.
- a force is exerted on the striker rod 22 to push it out of the pressure vessel 3 via the passage opening 21 .
- the sealing gas is supplied to the cylindrical support 28 under overpressure, to produce a counterforce on the striker rod 22 .
- the overpressure can be such that the striker rod 22 is firmly pressed against the anvil plate 27 .
- the impact device 16 can be actuated to knock with its knocker head 24 with a certain impact force onto the end of the striker rod 22 .
- the striker rod 22 passes the impact load via the anvil plate 27 to the conical upper section 9 .
- the shock load loosens the slag deposits which fall down into the slag collection bath 7 .
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Industrial Gases (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Processing Of Solid Wastes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A gasification process and reactor for the production of syngas by gasification of a carbonaceous feed. The gasification reactor comprises a pressure vessel encasing a gasifier unit with a reactor chamber having its lower end opening into an open-ended skirt portion arranged above a slag collection bath. The skirt portion is arranged within the impacting scope of one or more rappers.
Description
- The present invention relates to a gasification reactor and a process for the production of syngas by gasification of a carbonaceous feed, wherein the reactor comprises a pressure vessel encasing a gasifier unit and a slag collection bath.
- Synthetic gas, or syngas is produced by gasification of carbonaceous feedstock, such as pulverized coal. The carbonaceous feed is partially oxidised in a gasifier unit by a plurality of burners extending into the gasifier. The produced syngas contains slag particles and fly ash as by-products. Slag particles whirl down into the slag collection bath, which typically contains water and is provided with an outlet for the removal of used water and collected slag. Part of the slag particles form deposits on the inner wall surfaces of the gasifier unit. If the slag lumps are sufficiently large and heavy, they fall down into the slag collection bath.
- It has been found that, at least with some types of coal, the slag lumps can become very large before they fall down into the slag bath to such extent that they cannot pass the outlet of the slag collection bath. In some cases, the outlet was even blocked necessitating shut-down of the reactor.
- The object of the invention is to reduce the risk of blockage of the outlet of the slag collection bath, and to be able to use gasification reactors for a broader range of coal types.
- The object is achieved with a gasification reactor for the production of syngas by gasification of a carbonaceous feed, wherein the gasification reactor comprises a pressure vessel encasing a gasifier unit with a reactor chamber having its lower end opening into an open-ended skirt portion arranged above a slag collection bath, wherein the skirt portion is arranged within the impacting scope of one or more rappers.
- Hitherto, rappers are typically used for removing fouling that does not fall off by itself. In this case, rappers are not required for slag removal since the slag deposits do fall down under their own weight from the skirt portion. However, it has now been found that by using one or more rappers, the size of the slag deposits can be controlled and be kept small enough to prevent blockage of the slag collection bath discharge. This way, the gasification reactor can be used for a broader range of carbonaceous feed types, including coal types producing high slag contents.
- The skirt portion can for instance have a narrowing upper section narrowing down in upward direction, with the wider part of the skirt portion situated towards the slag bath. Such a section forms a particularly suitable spot for rapping, since the largest slag deposits are collected at the inner surface of that location. Alternatively, or additionally, the skirt portion may comprise a tubular, e.g., cylindrical lower section arranged within the impacting scope of the one or more rappers.
- Optionally, the upper section and/or other parts of the skirt portion can be built of parallel coolant conduits interconnected to form a gastight membrane. The coolant can for instance be water. By cooling the surface, more slag particles are collected on the surface. As a result, the slag content in the syngas is substantially reduced. In an alternative embodiment the skirt portion can, e.g., wholly or partly be made of one or more plates, the skirt portion comprising an outer surface provided with one or more coolant channels.
- To enforce and protect the impacted zone of the skirt portion anvil plates can be provided on the outer surface of the skirt portion in the impacting scope of one or more of the rappers.
- The rappers can for example extend through the wall of the pressure vessel. This enhances accessibility of the rappers for maintenance and repair.
- The rappers can for example comprise a housing extending from the outer surface of the pressure vessel, a striker rod having one end slideably supported by an opening in the housing and one end contacting the anvil plate, and an activatable impacting device having a rammer head movable in line with the striker rod between a distal position at a distance from the striker rod, and an impacting position in which it impacts the striker rod. Suitable rappers are for instance rappers of the type disclosed in WO 2010/063752 or WO 2010/063755.
- Optionally, the skirt portion can be provided with a refractory liner, but to improve impact resistance against the rappers impact a refractory liner can be omitted.
- Generally, the skirt portion will show rotational symmetry, e.g., having a cylindrical lower section and a conical upper section, but other suitable tubular configurations can be used as well, if so desired. The upper section of the skirt portion can be conical, or it can have any other narrowing geometry, if so desired.
- The one or more rappers can be activated to rap with a desired frequency. The higher the frequency, the smaller the slag particles falling down into the slag collection bath.
- An exemplary embodiment of the invention will now be described by reference to the accompanying drawing, in which:
-
FIG. 1 : shows schematically a longitudinal cross section of a gasification reactor according to the present invention; -
FIG. 2 : shows in detailed cross section the rapper of the reactor inFIG. 1 . -
FIG. 1 shows a gasification reactor 1 for the production of syngas by partial combustion of a carbonaceous feed, in particular pulverized coal. The gasification reactor 1 comprises agasifier unit 2 in a vertically oriented elongated pressure vessel 3. Thegasifier unit 2 comprises areactor chamber 2A and askirt portion 2B. Thereactor chamber 2A has a lower end 4 narrowing down to anopening 5 which opens into the space surrounded by theskirt portion 2B, and an openupper end 6 forming an outlet for the syngas, which can be further transported to, e.g., a cooler. Theskirt portion 2B comprises a cylindricallower section 8 arranged above aslag collection bath 7 and a conicalupper section 9 narrowing down in upward direction to fence theopening 5, such that the top end of conicalupper section 9 is narrower at the connection point with the lower end of thereactor chamber 2A than the bottom portion of upperconical section 9. - The
skirt portion 2B is built of helically wound conduits 34 (seeFIG. 2 ) for transporting a cooling liquid, such as water. The conduits 34 are interconnected to form a gastight membrane. In an alternative embodiment the skirt portion can be made of one or more plates comprising coolant channels on its outer surface. - The
slag bath 7 comprises acylindrical housing 11 encasing aconical funnel 12 narrowing down to aslag discharge opening 13. - In the embodiment shown in the drawing, the
skirt portion 2B is not provided with a refractory liner. However, in other embodiments a refractory liner can be used, if so desired. - A plurality of
burners 14 extend into thereactor chamber 2A to supply a mixture of pulverized coal, oxygen and steam. This mixture is ignited for partial combustion to produce synthetic gas, or syngas, with slag and fly ash as by-products. The syngas flows upward towards the opening 6. The freshly produced syngas contains slag particles. The larger, heavier parts fall down into theslag collection bath 7. Part of the hot syngas swirls down via theopening 5 into the space enclosed by theskirt 2B. This creates a turbulence within theskirt 2B. Thecylindrical section 8 and the conicalupper section 9 of theskirt 2B are cooled by a liquid coolant circulating through the conduits forming theskirt 2B. Syngas swirling within the space enclosed by theskirt portion 2B flows along thecooled surfaces skirt 2B. Once the deposits have grown sufficiently heavy, they fall down from the cooled membrane of theskirt 2B into theslag collection bath 7. To remove the collected slag, theslag collection bath 7 is regularly emptied by opening theslag discharge 13. - To prevent that the slag deposits grow too large before falling down, the conical
upper section 9 of theskirt 2B is impacted by arapper 15, which is shown in more detail inFIG. 2 . In an alternative embodiment, therapper 15 may for instance impact thecylindrical section 8 of theskirt portion 2B. It is also possible to combinerappers 15 impacting the conicalupper section 9 with rappers impacting thecylindrical section 8. - The
rapper 15 extends through the wall of the pressure vessel 3. Therapper 15 comprises an impact device 16 attached to a housing 17 on the wall of the pressure vessel 3. The housing 17 comprises a first flanged bus 18 branching off from the wall of the pressure vessel wall 3. The bus 18 comprises a flange 19 connected to atop flange 20 defining apassage opening 21 for a striker rod 22. In line with thepassage opening 21 is a cylindrical spacer 23. The spacer 23 carries the impact device 16 which has a rammer head 24 in line with the striker rod 22 and opposite a free end 25 of the striker rod 22. - Near the conical surface of
upper section 9 of theskirt 2B, the striker rod 22 comprises an end 26 engaging an anvil plate 27. The anvil plate 27 has one side 27A following the outer surface of theskirt portion 2B, and an opposite side 27B with a vertical flat surface engaging the end 26 of striker rod 19. - The striker rod 22 runs though a
cylindrical support member 28 within the pressure vessel 3. Thecylindrical support member 28 has one end closed with an end wall 29 with a central opening 30 in which the striker rod 22 is slideably supported. The opposite second end of thecylindrical support member 28 is connected to thetop flange 20 in a gastight manner. - The
cylindrical support 28 encloses an inner space 31 which is in open connection to a sealing gas supply channel 32 which is operatively connected to a sealing gas supply 33. To prevent leakage of hot, inflammable and toxic syngas through the passage opening 30, an inert sealing gas, such as nitrogen, is blown into the inner space 31 of thecylindrical support 28. The pressure within the pressure vessel 3 is substantially higher than atmospheric. As a result, a force is exerted on the striker rod 22 to push it out of the pressure vessel 3 via thepassage opening 21. To compensate this force, the sealing gas is supplied to thecylindrical support 28 under overpressure, to produce a counterforce on the striker rod 22. The overpressure can be such that the striker rod 22 is firmly pressed against the anvil plate 27. - The impact device 16 can be actuated to knock with its knocker head 24 with a certain impact force onto the end of the striker rod 22. The striker rod 22 passes the impact load via the anvil plate 27 to the conical
upper section 9. The shock load loosens the slag deposits which fall down into theslag collection bath 7. - In the embodiment shown in the drawing, only a
single rapper 15 is shown. However, more than onerapper 15 can be used, if so desired.
Claims (11)
1. A gasification reactor for the production of syngas by gasification of a carbonaceous feed, wherein the gasification reactor comprises a pressure vessel encasing a gasifier unit with a reactor chamber having its lower end opening into an open-ended skirt portion arranged above a slag collection bath, wherein the skirt portion comprises an upper section connected to the lower end of the reactor chamber, the narrowing top end of upper section being narrower at the connection point with the lower end of the reactor chamber than the bottom portion of upper section and wherein one or more rapper anvil plates are provided on the outer surface of the upper section in the impacting scope of one of the one or more rappers.
2. A gasification reactor according to claim 1 wherein the skirt portion comprises a tubular lower section arranged within the impacting scope of the one or more rappers.
3. A gasification reactor according to claim 1 , wherein at least the upper section of the skirt portion is built of parallel coolant conduits interconnected to form a gastight membrane.
4. A gasification reactor according to claim 1 wherein the skirt portion is at least partly made of one or more plates and wherein the skirt portion comprises an outer surface provided with one or more coolant channels.
5. A gasification reactor according to claim 1 , wherein the one or more rappers extend through the wall of the pressure vessel.
6. A gasification reactor according to claim 1 wherein at least a part of the rappers comprise a housing extending from the surface of the pressure vessel, a striker rod having one end slideably supported by an opening in the housing and one end contacting the anvil plate, and an activatable impact device having a rammer head movable in line with the impacting rod between a distal position and an impacting position in which it impacts the striker rod.
7. A gasification reactor according to claim 1 , wherein the upper section of the skirt portion is conical.
8. A gasification reactor according to claim 1 wherein the skirt portion is not provided with a refractory liner.
9. A process for the production of syngas by gasification of a carbonaceous feed in a gasification reactor comprising a pressure vessel encasing a gasifier unit with a reactor chamber having its lower end opening into an open-ended skirt portion arranged above a slag collection bath, wherein skirt portion comprises an upper section connected to the lower end of the reactor chamber, the upper section being narrower at the connection point with the lower end of the reactor chamber than the bottom portion of upper section and wherein one or more rapper anvil plates are provided on the outer surface of the upper section in the impacting scope of one of the one or more rappers and wherein the outer surface of the skirt portion is regularly impacted by one or more rappers to remove slag collected from its inner surface, which slag is subsequently collected in the slag collection bath.
10. A process according to claim 9 wherein the skirt portion is at least partly cooled by circulation of a coolant through coolant conduits.
11. A process according to claim 9 , wherein the upper section of the skirt portion is conical.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP10178625 | 2010-09-23 | ||
EP10178625.9 | 2010-09-23 | ||
PCT/EP2011/066527 WO2012038510A2 (en) | 2010-09-23 | 2011-09-22 | Gasification reactor and process |
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US20130320266A1 true US20130320266A1 (en) | 2013-12-05 |
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US13/825,457 Abandoned US20130320266A1 (en) | 2010-09-23 | 2011-09-22 | Gasification reactor and process |
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US (1) | US20130320266A1 (en) |
EP (1) | EP2619290A2 (en) |
JP (1) | JP2013540859A (en) |
KR (1) | KR20130109146A (en) |
CN (1) | CN103119134A (en) |
AU (1) | AU2011306923A1 (en) |
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DE102014113653A1 (en) * | 2014-09-22 | 2016-03-24 | Choren Industrietechnik GmbH | Reactor for entrained flow gasification of carbonaceous fuels |
CN111256099B (en) * | 2018-11-30 | 2021-11-30 | 川崎重工业株式会社 | Waste heat recovery boiler |
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US20100139890A1 (en) * | 2008-12-02 | 2010-06-10 | Heitmann Alfons | Rapper device |
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CN1088818C (en) * | 1993-10-25 | 2002-08-07 | 邓和平 | Premixing high-intensity combustion technology and burner |
JP2941626B2 (en) * | 1993-12-09 | 1999-08-25 | 三菱重工業株式会社 | Coal gasifier hammering equipment |
JP3657198B2 (en) * | 2001-01-26 | 2005-06-08 | 川崎重工業株式会社 | Dust removal device for heat exchanger surface of coal gasifier |
WO2009030674A2 (en) * | 2007-09-04 | 2009-03-12 | Shell Internationale Research Maatschappij B.V. | Quenching vessel |
WO2009130292A2 (en) * | 2008-04-24 | 2009-10-29 | Shell Internationale Research Maatschappij B.V. | Process to prepare an olefin-containing product or a gasoline product |
CN201596660U (en) * | 2008-12-02 | 2010-10-06 | 国际壳牌研究有限公司 | Rapping device |
-
2011
- 2011-09-22 CN CN2011800455815A patent/CN103119134A/en active Pending
- 2011-09-22 KR KR1020137010272A patent/KR20130109146A/en not_active Application Discontinuation
- 2011-09-22 JP JP2013529654A patent/JP2013540859A/en active Pending
- 2011-09-22 AU AU2011306923A patent/AU2011306923A1/en not_active Abandoned
- 2011-09-22 WO PCT/EP2011/066527 patent/WO2012038510A2/en active Application Filing
- 2011-09-22 EP EP11761346.3A patent/EP2619290A2/en not_active Withdrawn
- 2011-09-22 US US13/825,457 patent/US20130320266A1/en not_active Abandoned
-
2013
- 2013-03-18 ZA ZA2013/02036A patent/ZA201302036B/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080034657A1 (en) * | 2004-11-22 | 2008-02-14 | Van Den Berg Robert E | Apparatus For Gasifying Fuel |
US20100139890A1 (en) * | 2008-12-02 | 2010-06-10 | Heitmann Alfons | Rapper device |
Also Published As
Publication number | Publication date |
---|---|
JP2013540859A (en) | 2013-11-07 |
WO2012038510A2 (en) | 2012-03-29 |
EP2619290A2 (en) | 2013-07-31 |
ZA201302036B (en) | 2013-11-27 |
CN103119134A (en) | 2013-05-22 |
AU2011306923A1 (en) | 2013-04-11 |
KR20130109146A (en) | 2013-10-07 |
WO2012038510A3 (en) | 2012-05-18 |
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