EP2336276A1 - Refroidisseur de gaz doté d'un dispositif de martelage - Google Patents

Refroidisseur de gaz doté d'un dispositif de martelage Download PDF

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Publication number
EP2336276A1
EP2336276A1 EP09015393A EP09015393A EP2336276A1 EP 2336276 A1 EP2336276 A1 EP 2336276A1 EP 09015393 A EP09015393 A EP 09015393A EP 09015393 A EP09015393 A EP 09015393A EP 2336276 A1 EP2336276 A1 EP 2336276A1
Authority
EP
European Patent Office
Prior art keywords
gas
guide tube
inner tube
gas cooler
cooler according
Prior art date
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.)
Granted
Application number
EP09015393A
Other languages
German (de)
English (en)
Other versions
EP2336276B1 (fr
Inventor
Christian Burgbacher
Michael Gaiffi
Claus Koppenhöfer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kopf Syngas & Co KG GmbH
Original Assignee
Kopf Syngas & Co KG GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kopf Syngas & Co KG GmbH filed Critical Kopf Syngas & Co KG GmbH
Priority to EP20090015393 priority Critical patent/EP2336276B1/fr
Publication of EP2336276A1 publication Critical patent/EP2336276A1/fr
Application granted granted Critical
Publication of EP2336276B1 publication Critical patent/EP2336276B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C10J3/72—Other features
    • C10J3/82—Gas withdrawal means
    • C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
    • F28C3/00—Other direct-contact heat-exchange apparatus
    • F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
    • F28C3/08—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour with change of state, e.g. absorption, evaporation, condensation
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits

Definitions

  • the invention relates to a gas cooler for cooling synthesis gas, which is obtained by gasification, with a gas guide tube, which is flowed through for the purpose of cooling synthesis gas.
  • the gas is preferably combustible and can be supplied for thermal utilization. It can be burned after cooling and subsequent filtration or cleaning, for example, for power generation or for heating purposes.
  • the patent EP 1 112 970 B1 discloses a plant and a process for the production of combustible gas, especially from sewage sludge.
  • the sewage sludge is preferably introduced dried into a gasifier and there thermally decomposed by heating under air deficiency, ie gasified thereby obtaining a combustible gas or gas mixture.
  • pollutants are contained in the synthesis gas thus obtained, especially tar.
  • the tar has the property that it condenses on cooling and precipitates in the gasifier downstream piping and equipment.
  • the aforementioned patent proposes to cool the synthesis gas obtained by the gasification of sewage sludge and then to pass it through the sewage sludge as a filter, which serves as the starting material for the gasification.
  • the tar contained in the recovered gas settles in the sewage sludge, the tar is filtered out of the synthesis gas.
  • Condition for the filtering is that the tar is condensed by cooling the synthesis gas.
  • the filtered tar is fed to the gasifier where it is gasified, in particular converted into a combustible gas.
  • the synthesis gas obtained in the gasification has a temperature of significantly more than 1,000 ° C at the outlet from the gasifier, which is lowered by a subsequent special precooler (recuperator), for example, up to about 650 ° C. At this temperature, the tar is exclusively in the gaseous state.
  • the synthesis gas is fed to a gas cooler with a downstream sewage sludge filter for further cooling. In a gas guide tube of the gas cooler, the temperature of the synthesis gas is further reduced to about 120 ° C. At this temperature of the synthesis gas, the tar condenses, so that it is subsequently filtered out when passing through the sewage sludge. However, there is still no condensation of water vapor.
  • the synthesis gas entering at a gas inlet into the gas guide tube of the gas cooler is loaded, in addition to tar, with small solid particles which settle in the gas guide tube together with part of the tar during the cooling of the synthesis gas, for example by quenching.
  • the synthesis gas can quench, so cool the gas to a desired temperature.
  • the solid or condensing constituents of the synthesis gas deposit in a layered form, above all in a region of the gas guiding tube which is near the gas inlet.
  • the layer fouls the gas guide tube and, as a rule, must be removed after several weeks, for example every six weeks, when the gas cooler is in operation.
  • the removal of the layer is both time and labor consuming, on the other hand, the system for except Operation. This reduces the degree of utilization of the system, as no gas can be processed during downtime.
  • the invention is based on the object to simplify the cleaning of the gas cooler and to suggest a way to make this cleaning, especially during operation of the gas cooler.
  • a knocking device having a knocker for transferring knocking energy is disposed on the gas guide pipe in which the synthesis gas is cooled.
  • the knocker which is fastened to an outer side of the gas guide tube, can be operated, for example, mechanically, electrically, pneumatically or hydraulically. It allows a continuous or at any time intervals periodic removal of components that settle when cooling the synthesis gas in the gas guide tube as impurities in particular as a solid layer. To remove the layer, the gas cooler does not need to be taken out of service.
  • the synthesis gas passed through the gas cooler is produced, in particular, by the gasification of non-fossil energy sources, the gas cooler having a foot region and a head region arranged higher in relation to the foot region, between which the gas guidance tube extends.
  • the gas guide tube is flowed through by the synthesis gas from the head region to the foot region or in the reverse direction. It has proved to be advantageous to provide a gas inlet at the head region and a gas outlet at the foot region, so that the synthesis gas flows in the gas guide tube from top to bottom.
  • knocking falling particles fall by gravity down into the foot of the radiator, from which they simply are removable.
  • the particles fall into the sewage sludge or the substance to be gasified and are supplied with it to the gasification.
  • the gas guide tube has an oscillating trained and vibrationally received inner tube, wherein the synthesis gas flows substantially through the inner tube.
  • the synthesis gas is cooled only in the inner tube of the gas cooler, so that deposits mainly arise only on an inner side of the inner tube.
  • the knocking energy from the knocking device is transferred to the inner tube.
  • the inner tube is expediently made of a thinner wall than the load-bearing and pressure-resistant gas guide tube. It is compared with the thicker walled gas guide tube, which forms a supporting element of the gas cooler and thus can be made to vibrate hardly or only by transmitting very high knocking energy, formed much less vibration and vibrationally connected to the foot, the head or the gas guide tube of the gas cooler.
  • connection is made only from a portion of the inner tube, so that the other sections are not clamped, but can swing freely.
  • the gas guide tube is rigidly connected by its two ends to the head and the foot, which greatly limits the ability of the gas guide tube to vibrate.
  • the inner tube can thereby be excited with significantly less knocking energy to vibrate and thus to release the layer, as the gas guide tube.
  • the oscillatory inner tube can also absorb more knock energy and convert it into vibrational energy than the outer gas guide tube. This supports the cleaning effect of the knocker of the knocking device. It is expedient to fasten the inner tube only at one end to the gas guide tube, to the head or to the foot region of the gas cooler. In this way, the inner tube can absorb very well knocking energy to replace the deposits. This can be realized particularly easily if the gas guide tube extends vertically, for example by the inner tube is hung with a chain or chains in the head area of the gas cooler.
  • the inner tube allows thermal insulation of the gas guide tube without vibration damping of the inner tube.
  • the knocker of the knocking device acts on the inner tube carrying the majority of the synthesis gas.
  • This intermittent outgoing shock pulses are transmitted by the knocker particularly effective as knocking energy to the inner tube.
  • the gas guide tube has a passage for a tappet of the tapping device, which is actuated by the tappet, wherein the tapping device is made gas-tight and connected in a gas-tight manner to the gas guide tube.
  • the synthesis gas flowing through the gas guide tube or through the inner tube arranged in the gas guide tube would have an overpressure of typically 300 mbar and would escape in the event of a leakage of the gas guide tube. Due to the high temperature of the gas, which is between 650 and 130 ° C, the combustible synthesis gas would ignite immediately on contact with the atmospheric oxygen at the exit point.
  • the plunger of the knocking device bears in a basic position on the inner tube and that the knocking device has a metallic bellows (corrugated tube) as a spring element for the knocker or for the plunger of the knocking device.
  • a metallic bellows corrugated tube
  • the inner tube without delay and loss of knocking energy is applied directly to the outgoing from the knocker shock pulses, the plunger or the knocker returns by the spring element after each shock to its normal position.
  • the spring element is designed as a bellows, it simultaneously assumes the seal between the knocker or the plunger of the knocking device and the gas guide tube.
  • the gas cooler according to the invention is in the head region, for example, a funnel-shaped or a disc-shaped Guiding element arranged for the synthesis gas, which covers an annular space between the gas guide tube and the inner tube.
  • the guide element covers the gap between the inner tube and the gas guide tube, without sealing it.
  • the guide element does not hinder the inner tube in its ability to vibrate.
  • Only a small volume fraction of the synthesis gas flowing through the gas cooler flows past the inner tube on the outside.
  • the predominant volume fraction of the synthesis gas to be cooled is directed by the guide element into the inner tube.
  • the synthesis gas is cooled, condensates from the synthesis gas and solid suspended matter particles entrained in the synthesis gas are deposited on the inside of the inner tube as a deposit layer.
  • the deposits decrease with increasing distance from the inflow end. Since the knocking device preferably acts on the inner tube and thereby transfer the entire knocking energy essentially as vibration energy to the inner tube, the deposits occurring there can be removed particularly effectively.
  • a quench device for cooling the synthesis gas and promoting condensate formation is arranged in the head region of the gas cooler.
  • Many chemical pressurized processes involving hot gases or hot gas mixtures involve a step of rapidly cooling the gas or gas mixture with partial or complete condensation. Such a step of rapid cooling is commonly called "quenching".
  • quenching in general, the hot gas or gas mixture, in the gas cooler according to the invention, the synthesis gas flowing through the gas cooler, is brought into contact with a comparatively large amount of a cooling medium and at least partially condensed.
  • a cooling medium in particular a water spray can be used, which is sprayed from the head of the gas cooler in the inner tube. The spray evaporates and removes heat from the syngas.
  • the synthesis gas cools down. Depending on the achieved temperature of the synthesis gas, gaseous constituents entrained by the synthesis gas condense. The condensed constituents and / or the water vapor bind the solid particles contained in the synthesis gas and settle at least partially inside the inner tube.
  • a cyclone separator to a gas inlet of the gas cooler for the synthesis gas, which is preferably arranged in the head region of the gas cooler.
  • the cyclone separator solid particles of a certain size and / or mass are separated from the gas by a centrifugal force acting on the synthesis gas before entering the gas cooler.
  • the synthesis gas usually only has fine solid particles.
  • the synthesis gas is pre-cleaned, so that the gas cooler is less contaminated during cooling of the synthesis gas and thus in particular less deposits on the gas guide tube or on the inner tube occur. This increases especially the time intervals between necessary cleanings in which deposits are removed from the inner tube by means of the knocking device.
  • the gas cooler according to the invention preferably has a filter arranged in the flow direction of the synthesis gas after the gas guide tube or the inner tube, the filter material of which is the starting material to be gasified.
  • the filter In a gas inlet arranged at the head region of the gas cooler, the filter is accommodated in the foot region.
  • predominantly non-fossil raw materials which can be gasified into the synthesis gas in a gasifier are provided, in particular renewable raw materials or biofuels.
  • sewage sludge is selected as the starting material.
  • the filter material of the filter consists of these regenerative and gasified starting materials.
  • To cool the synthesis gas with the gas cooler water is injected through one or more water nozzles in the gas guide tube or the inner tube.
  • the inner tube of the gas cooler ends before the filter, so that the vibration capacity of the inner tube is not limited by the filter.
  • FIG. 1 shows a gas cooler 1 according to the invention for the cooling of synthesis gas, which is obtained by gasification of a regenerative starting material.
  • the gas cooler 1 has a head region 2 and a foot region 3, between which a gas guide tube 4 is arranged.
  • a gas guide tube 4 In the gas guide tube 4 is a oscillatory inner tube 5 suspended vibratory.
  • the head region 2 has a gas inlet 6 and the foot region 3 has a gas outlet 7 for the synthesis gas.
  • a filter 8 is arranged from the starting material provided for the gasification, through which the cooled synthesis gas passes before it reaches the gas outlet 7.
  • the gas guide tube 4 extends vertically between the head portion 2 and the foot portion 3 of the gas cooler 1, wherein the inner tube 5 is concentrically received by the gas guide tube 4 and ends before the filter 8.
  • the gas guide tube 4 has a knocking device 9 for transmitting knocking energy to the inner tube 5, can be solved by means of solid deposits, not shown in the drawing from an inner side 10 of the inner tube 5.
  • the filter 8 is filled to about the funnel, which covers the filter 8 and carries the gas guide tube 4, filled with filter material.
  • the filter material is sufficient in any case to over the Gausauslass 7.
  • the filter material is dried sewage sludge or other substance to be gasified.
  • the head region 2 has, in extension of the inner tube 5, a quench device 11 which cools the synthesis gas by adding water in the inner tube 5.
  • the water is sprayed vertically into the inner tube 5 and evaporated in the inner tube 5, wherein the water vapor dissolves in the synthesis gas.
  • the gasification of the regenerative starting material takes place in a carburettor, not shown, from which the synthesis gas exits and a gas inlet 6 of the gas cooler 1 upstream cyclone is supplied before it enters the gas cooler 1.
  • the carburetor and the cyclone separator are not shown in the drawing.
  • As a starting material for the gasification preferably dried sewage sludge is used, which is also used as a filter 8 in the foot region 3 of the gas cooler 1 and dried by the passed through synthesis gas.
  • An outer diameter of the inner tube 5 is smaller compared to an inner diameter of the gas guide tube 4, so that in concentric arrangement of the inner tube 5 and the gas guide tube 4 results in an annular space 12 between them.
  • the gap 12 is covered by a funnel-shaped guide element 13, which does not seal the gap 12.
  • the synthesis gas thus flows essentially through the inner tube 5, which is acted upon by the knocking device 9 during a cleaning process.
  • water for cooling the synthesis gas is sprayed by one or more, not shown in the drawing, the quench 11 associated with water nozzles.
  • the synthesis gas to be cooled flows at a typical temperature of, for example, about 600 ° C. through the gas inlet 6 into the head region 2 of the gas cooler 1 and is guided from there into the inner tube 5.
  • the temperature of the synthesis gas is lowered to reach the filter 8 to a characteristic temperature of about 120 ° C.
  • the temperature is controlled by the amount of water injected.
  • solid particles form with the condensed tar a sticky mass, which settles above all in an upper, near the head region 2 near the inner tube 5 as a layer.
  • the resulting layer must be removed from time to time, for example after a few weeks of operation of the gas cooler 1 by means of the knocking device 9.
  • the sprayed into the inner tube 5 for cooling the synthesis gas water occurs in the synthesis gas dissolved from the gas outlet 7 from the foot portion 3 of the gas cooler 1 after it has passed the filter 8.
  • the synthesis gas additionally absorbs water which is contained in the sewage sludge of the filter 8 as moisture.
  • the synthesis gas obtained by the gasification dries the Sewage sludge after cooling in the inner tube 5 when passing through the filter 8.
  • the synthesis gas can be fed to a not shown in the drawing condenser for moisture removal, which at least partially removes the water from the synthesis gas.
  • FIG. 2 shows the transition from the head portion 2 to the gas guide tube 4 with inner tube 5 in an enlarged detail with a different viewing direction than FIG. 1 ,
  • a second knocking device 9 ' is visible, which can act on the inner tube 5 with a plunger 14 with knocking energy.
  • the inner tube 5 is provided with three retaining chains 15, of which in FIG. 2 only one is visible, suspended in the gas guide tube 4.
  • the gas guide tube 4 hooks 16 and the inner tube 5 oppositely arranged support hooks 17 for attaching the retaining chains 15.
  • the inner tube 5 is formed thin-walled relative to the surrounding sustainable gas guide tube 4. This assists the propagation of vibrational energy from the knocking device 9 '.
  • FIG. 2 also shows the guide element 13 for the synthesis gas, which in the FIG. 4 shown again in a different perspective.
  • the knocking device 9 'close to the head region 2 corresponds in structure and in the mode of operation in the following FIG. 3 shown, the foot area 3 obvious knocking 9th
  • FIG. 3 shows the knocking device 9 from FIG. 1 enlarged, which has a knocker 18 which acts on the plunger 14.
  • the knocking device 9 is gas-tight and connected in a gastight manner with the gas guide tube 4.
  • the gas guide tube 4 has a passage 19 for the plunger 14, from which the plunger 14 extends from the knocker 18 to the inner tube 5.
  • the plunger 14 is in a basic position, as shown in the FIG. 3 is shown, on the inner tube 5, wherein a baffle plate 20 is disposed opposite the plunger 14 on the inner tube 5.
  • the baffle plate 20 permanently prevents damage to the inner tube 5 by the plunger 14.
  • the knocker 18 is pneumatically operated in the embodiment, wherein another, for example hydraulic, electrical or mechanical drive not is excluded.
  • the knocking device 9 has between the knocker 18 and the mounting tube 21 designed as a spring element metallic bellows 22 (corrugated tube) on the one hand seals the knocker 18 relative to the mounting tube 21 and on the other hand acts on the plunger 14 with spring force, so that this in a basic position on Inner tube 5 is present.
  • a spring element metallic bellows 22 corrugated tube
  • FIG. 4 is the transition from the head portion 2 to the gas guide tube 4 and the inner tube 5 as an enlarged section of the FIG. 1 displayed.
  • the gas inlet 6 provided on the head region 2 extends perpendicularly to the gas guide tube 4 with the inner tube 5 and to the quench device 11 arranged concentrically with the tubes 4, 5.
  • the tapping device 9 ' can also be seen.
  • the transition from the head region 2 to the gas guide tube 5 forms the guide element 13, which is placed on top of the viable gas guide tube 4 at the top and carries the head region 2 of the gas cooler 1.
  • the guide element 13 is frontally connected to the gas guide tube 4 and the head portion 2 gas-tight, in particular screwed.
  • the funnel-shaped guide element 13 covers the inner tube 5 at the end with an axial distance, so that the synthesis gas to be cooled flows substantially inwardly through the inner tube 5.
  • the guide element 13, which engages over the intermediate space 12 between the gas guide tube 4 and the inner tube 5, also has a number of radially inwardly extending baffles 23.
  • the baffles 23 avoid swirling when the synthesis gas enters the inner tube 5.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Industrial Gases (AREA)
EP20090015393 2009-12-12 2009-12-12 Refroidisseur de gaz doté d'un dispositif de martelage Not-in-force EP2336276B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20090015393 EP2336276B1 (fr) 2009-12-12 2009-12-12 Refroidisseur de gaz doté d'un dispositif de martelage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20090015393 EP2336276B1 (fr) 2009-12-12 2009-12-12 Refroidisseur de gaz doté d'un dispositif de martelage

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EP2336276A1 true EP2336276A1 (fr) 2011-06-22
EP2336276B1 EP2336276B1 (fr) 2015-03-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013139639A1 (fr) * 2012-03-21 2013-09-26 Thyssenkrupp Uhde Gmbh Batteur de dépoussiérage de parois tubulaires
EP2829587A1 (fr) * 2013-07-22 2015-01-28 KOPF SynGas GmbH & Co. KG Installation de gazéification et procédé de collecte de gaz combustible

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0115094A2 (fr) * 1982-12-29 1984-08-08 Shell Internationale Researchmaatschappij B.V. Procédé et appareil pour la production de gaz de synthèse
JPS6163530A (ja) * 1984-09-03 1986-04-01 Toyo Kohan Co Ltd 硬質磁性材料の製造法
DE3725424C1 (de) 1987-07-31 1988-07-21 Steinmueller Gmbh L & C Strahlungskuehler fuer die Abkuehlung von mit Staub beladenen Gasen
EP0314929A1 (fr) * 1987-11-04 1989-05-10 Krupp Koppers GmbH Chaudière de récupération pour refroidir les gaz d'une oxydation partielle
EP0351563A1 (fr) * 1988-07-16 1990-01-24 Krupp Koppers GmbH Appareillage pour la production de gaz à partir de solides carbonifères finement divisés
DE4303484A1 (de) * 1993-02-06 1994-08-25 Steinmueller Gmbh L & C Verfahren und Vorrichtung zum klopfenden Reinigen von Gegenständen
DE19652707A1 (de) * 1996-12-18 1998-06-25 Netter Gmbh Pneumatischer Klopfer
WO2009030674A2 (fr) 2007-09-04 2009-03-12 Shell Internationale Research Maatschappij B.V. Cuve de trempe

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0115094A2 (fr) * 1982-12-29 1984-08-08 Shell Internationale Researchmaatschappij B.V. Procédé et appareil pour la production de gaz de synthèse
JPS6163530A (ja) * 1984-09-03 1986-04-01 Toyo Kohan Co Ltd 硬質磁性材料の製造法
DE3725424C1 (de) 1987-07-31 1988-07-21 Steinmueller Gmbh L & C Strahlungskuehler fuer die Abkuehlung von mit Staub beladenen Gasen
EP0314929A1 (fr) * 1987-11-04 1989-05-10 Krupp Koppers GmbH Chaudière de récupération pour refroidir les gaz d'une oxydation partielle
EP0351563A1 (fr) * 1988-07-16 1990-01-24 Krupp Koppers GmbH Appareillage pour la production de gaz à partir de solides carbonifères finement divisés
DE4303484A1 (de) * 1993-02-06 1994-08-25 Steinmueller Gmbh L & C Verfahren und Vorrichtung zum klopfenden Reinigen von Gegenständen
DE19652707A1 (de) * 1996-12-18 1998-06-25 Netter Gmbh Pneumatischer Klopfer
WO2009030674A2 (fr) 2007-09-04 2009-03-12 Shell Internationale Research Maatschappij B.V. Cuve de trempe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013139639A1 (fr) * 2012-03-21 2013-09-26 Thyssenkrupp Uhde Gmbh Batteur de dépoussiérage de parois tubulaires
EP2829587A1 (fr) * 2013-07-22 2015-01-28 KOPF SynGas GmbH & Co. KG Installation de gazéification et procédé de collecte de gaz combustible

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