DE102007037860A1 - Coating of the raw gas path of an entrainment gasification plant with a thermally resistant non-stick coating - Google Patents

Coating of the raw gas path of an entrainment gasification plant with a thermally resistant non-stick coating Download PDF

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DE102007037860A1
DE102007037860A1 DE102007037860A DE102007037860A DE102007037860A1 DE 102007037860 A1 DE102007037860 A1 DE 102007037860A1 DE 102007037860 A DE102007037860 A DE 102007037860A DE 102007037860 A DE102007037860 A DE 102007037860A DE 102007037860 A1 DE102007037860 A1 DE 102007037860A1
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raw gas
gasification
given
stick coating
coating
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Dietmar Adler
Norbert Fischer
Frank Hannemann
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Siemens AG
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Siemens AG
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Priority to DE102007037860A priority Critical patent/DE102007037860A1/en
Priority to US12/221,940 priority patent/US20090038223A1/en
Priority to CNA2008101298544A priority patent/CN101362968A/en
Publication of DE102007037860A1 publication Critical patent/DE102007037860A1/en
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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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/36—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using oxygen or mixtures containing oxygen as gasifying agents
    • 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
    • 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
    • C10J3/845—Quench rings
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C10K1/101—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids with water only
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/025—Processes for making hydrogen or synthesis gas containing a partial oxidation step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0872—Methods of cooling
    • C01B2203/0877—Methods of cooling by direct injection of fluid
    • 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
    • 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
    • C10J2200/15—Details of feeding means
    • C10J2200/152—Nozzles or lances for introducing gas, liquids or suspensions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1625—Integration of gasification processes with another plant or parts within the plant with solids treatment
    • C10J2300/1628—Ash post-treatment
    • C10J2300/1634—Ash vitrification
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/169—Integration of gasification processes with another plant or parts within the plant with water treatments

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

Eine Flugstromvergasungseinrichtung für einen Betrieb mit staubförmigen oder flüssigen Brennstoffen, wobei unter flüssigen Brennstoffen Öle oder feststoffhaltige Öle sowie Suspensionen von Wasser oder Öl mit staubfein gemahlenen Brennstoffen oder anorganischen Beimengen zu verstehen sind, bei Drucken zwischen Umgebungsdruck von 8 MPa, Vergasungstemperaturen zwischen 1200 und 1900°C, sowie mit einem freien Sauerstoff enthaltenden Vergasungsmittel. Umfassend einen Vergasungsraum, eine Quencheinrichtung und ein das Rohgas führendes Element des Rohgasweges ist so ausgestaltet, dass ein Rohgas führendes Element aus warmfestem Kohlenstoffstahl gefertigt ist und an den Kontaktflächen mit dem Rohgas mit einer Antihaftbeschichtung, die einer Temperatur von 250°C beständig ist, zur Verhinderung des Anhaftens der sich bildenden Karbonate versehen ist. Hierdurch kann der Quenchprozess bei einem pH-Wert > 6,5 betrieben und kostengünstige warmfeste Kohlenstoffstähle in dem Rohgasweg verwendet werden, ohne dass es beispielsweise in einem nachfolgenden Venturiwäscher zu einer Querschnittsverringerung in der Venturikehle mit entsprechenden Leistungsreduzierungen der Anlage bis zur Außerbetriebnahme des Vergasungsprozesses für eine Reinigung kommt.An entrainment gasification apparatus for operation with dusty or liquid fuels, wherein liquid fuels oils or solids-containing oils and suspensions of water or oil with pulverized fuels or inorganic impurities are to be understood, at pressures between ambient pressure of 8 MPa, gasification temperatures between 1200 and 1900 ° C, as well as with a free oxygen-containing gasification agent. Comprehensively, a gasification room, a quenching facility, and a raw gas path leading member are configured such that a raw gas guiding member is made of heat-resistant carbon steel and bonded to the raw gas contact surfaces with a non-stick coating resistant to a temperature of 250 ° C Preventing the adhesion of the forming carbonates is provided. This allows the quenching process operated at a pH> 6.5 and cost-effective heat-resistant carbon steels are used in the Rohgasweg, without it, for example, in a subsequent Venturi scrubber to a reduction in cross-section in the Venturi throat with corresponding performance reductions of the plant until the decommissioning of the gasification process for a Cleaning is coming.

Description

Der Anmeldungsgegenstand betrifft eine Flugstromvergasungseinrichtung für einen Betrieb mit staubförmigen oder flüssigen Brennstoffen, wobei unter flüssigen Brennstoffen Öle oder feststoffhaltige Öle sowie Suspensionen von Wasser oder Öl mit staubfein gemahlenen Brennstoffen oder anorganischen Beimengen zu verstehen sind, bei Drucken zwischen Umgebungsdruck und 8 MPa, Vergasungstemperaturen zwischen 1.200 und 1.900°C, sowie mit einem freien Sauerstoff enthaltenden Vergasungsmittel mit den Merkmalen des Oberbegriffs des Anspruchs 1.Of the The subject of the application relates to an entrainment gasification device for one Operation with dusty or liquid Fuels, taking under liquid Fuels oils or solids-containing oils as well as suspensions of water or oil ground with fine dust Fuels or inorganic additives are to be understood Pressures between ambient pressure and 8 MPa, gasification temperatures between 1,200 and 1,900 ° C, as well as with a free oxygen-containing gasification agent with the features of the preamble of claim 1.

Bei dem Vergasungsprozess mit Vollquenchung bei Betriebsdrücken bis 8 MPa (80 bar) wird das aus dem Reaktor/Quencher (1) abströmende wasserdampfgesättigte, heiße Rohgas in einer weiteren Prozessstufe einer Gasreinigung mittels Wasserwäsche unterzogen. In der verbindenden Rohrleitung (2) vom Quencher zu den Wäschern (3, 5), in den Wäschern selbst und in der Rohrleitung (4) vom ersten zum zweiten Wäscher kommt es an der Wand der Rohrleitung und den Wäschern zu Karbonatablagerungen. Die Karbonatbildung wird durch das Vorkommen von Alkalimetallen in der Asche des Vergasungsstoffes (Kohle, Slurry oder Biomasse) und damit deren Vorhandensein im Rohgas sowie dem Kohlendioxid als Rohgasbestandteil verursacht.In the gasification process with full quenching at operating pressures up to 8 MPa (80 bar), the reactor / quencher ( 1 ), steam-saturated, hot raw gas flowing out in a further process step of a gas purification by means of water washing. In the connecting pipeline ( 2 ) from the quencher to the scrubbers ( 3 . 5 ), in the scrubbers themselves and in the pipeline ( 4 ) from the first to the second scrubber it comes to the wall of the pipeline and the scrubbers to carbonate deposits. The carbonate formation is caused by the presence of alkali metals in the ashes of the gasification material (coal, slurry or biomass) and thus their presence in the raw gas and the carbon dioxide as raw gas component.

Die Ablagerungen führen besonders in den Wäschern (3, 5), hier im Besonderen bei Verwendung eines Venturiwäschers, zur Querschnittsverringerung in der Venturikehle, die aufgrund des daraus resultierenden erhöhten Druckverlusts zur Leistungsreduzierung der Anlage bis zur Außerbetriebnahme des Vergasungsprozesses für eine Reinigung zwingen.The deposits lead especially in the scrubbers ( 3 . 5 ), in particular when using a Venturi scrubber, for reducing the cross-section in the Venturi throat, which force for cleaning due to the resulting increased pressure loss to reduce the performance of the system until the gasification process is taken out of service.

Durch Betreiben des Quenchprozesses bei einem pH-Wert < 6,5 wird der chemische Prozess der Karbonatbildung verringert bzw. bei entsprechend saurer Fahrweise verhindert. Die saure Fahrweise hat allerdings zur Konsequenz, dass der bevorzugte Einsatz von kostengünstigen warmfesten Kohlenstoffstählen aufgrund der stattfindenden Säurekorrosion mit großen Abtragsraten nicht möglich ist. Stattdessen müssen säurebeständige und damit teure Werkstoffe zur Anwendung kommen.By Operating the quenching process at a pH <6.5 becomes the chemical process of carbonate formation reduced or prevented in accordance with acidic driving style. The However, acidic driving has the consequence that the preferred use from inexpensive heat-resistant carbon steels due to the ongoing acid corrosion with big Removal rates not possible is. Instead, you have to acid resistant and so that expensive materials are used.

Der Erfindung liegt das Problem zugrunde, eine Flugstromvergasungseinrichtung so auszugestalten, dass der Quenchprozess bei einem pH-Wert > 6,5 ohne die üblicherweise vorzusehenden Ausfallzeiten für Reinigung betrieben werden kann.Of the The invention is based on the problem of an entrainment gasification device to design so that the quenching process at a pH> 6.5 without the usual to be provided for downtime Cleaning can be operated.

Das Problem wird bei einem durch die Merkmale des Oberbegriffs umrissenen Gegenstand durch die Merkmale des kennzeichnenden Teils des Anspruchs 1 gelöst.The Problem is outlined by the features of the preamble Subject matter by the features of the characterizing part of the claim 1 solved.

Erfindungsgemäß erfolgt eine Beschichtung der Wäscher (3, 5), speziell des Venturirohres, und der verbindenden Rohrleitungen (2, 4) mit einer temperaturbeständigen Antihaftbeschichtung. Beispielhaft seien Chemisch Nickel, Chemisch Nickel PTFE, Fluorpolymerbeschichtung und Spezial-Email genannt. Die Beschichtung verhindert das Anhaften der sich bildenden Karbonate.According to the invention, a coating of the scrubber ( 3 . 5 ), especially the Venturi tube, and the connecting pipes ( 2 . 4 ) with a temperature-resistant non-stick coating. Examples include chemical nickel, chemical nickel PTFE, fluoropolymer coating and special enamel. The coating prevents the adhesion of the forming carbonates.

Mit der Verhinderung von Ablagerungen mittels der beschichteten Oberfläche ist die Voraussetzung geschaffen, dass der Quenchprozess bei einem pH-Wert > 6,5 betrieben werden kann. Dies wiederum hat den Vorteil, dass kostengünstige warmfeste Kohlenstoffstähle als Werkstoff für die Fertigung der Wäscher (3, 5) und der Rohrleitungen (2, 4) Verwendung finden können.With the prevention of deposits by means of the coated surface, the condition is created that the quenching process can be operated at a pH> 6.5. This in turn has the advantage that cost-effective, heat-resistant carbon steels as a material for the production of scrubbers ( 3 . 5 ) and piping ( 2 . 4 ) Can be used.

Vorteilhafte Weiterbildungen des Anmeldungsgegenstandes sind in den Unteransprüchen angegeben.advantageous Further developments of the subject of the application are specified in the subclaims.

Die Erfindung wird im Folgenden als Ausführungsbeispiel in einem zum Verständnis erforderlichen Umfang anhand einer Figur näher erläutert. Dabei zeigt:The Invention is hereinafter referred to as an exemplary embodiment in a for understanding required extent explained in more detail with reference to a figure. Showing:

1 eine Vergasungseinrichtung mit Vollquenchung. 1 a gasification device with full quenching.

Einem Flugstromvergasungsreaktor wird kopfseitig Brennstoff und Sauerstoff/Dampf zugefüht wo in einer Flammenreaktion eine Partialoxidation des Brennstoffs bei Drücken zwischen Umgebungsdruck und hohen Drücken von 80 bar (8 MPa) sowie Temperaturen zwischen 1200–1900°C erfolgt. Als Brennstoff sind staubförmige oder flüssige Brennstoffe gegeben, wobei unter flüssigen Öle oder feststoffhaltige Öle sowie Suspensionen von Wasser oder Öl mit staubfein gemahlenen Brennstoffen oder anorganischen Beimengen zu verstehen sind.a Entrained flow gasification reactor is the head side fuel and oxygen / steam met where in a flame reaction, a partial oxidation of the fuel at To press between ambient pressure and high pressures of 80 bar (8 MPa) as well as temperatures between 1200-1900 ° C takes place. As fuel are dusty or liquid Fuels are given, taking among liquid oils or solids-containing oils as well Suspensions of water or oil with powdery ground fuels or inorganic additives too understand.

Das heiße Vergasungsgas verlässt gemeinsam mit der flüssigen Schlacke den Vergasungsraum und gelangt durch den Rohgas- und Schlackeabgang in den Quenchraum, in den zur Kühlung von Rohgas und Schlacke über Quenchdüsen Wasser eingedüst wird. Die Schlacke lagert sich unten im Wasserbad ab und wird über einen Schlackeaustrag abgeführt. Das gequenchte Rohgas verlässt wasserdampfgesättigt und mit einer Temperatur von 200°C den Quenchraum über die Rohrleitung 2.The hot gasification gas leaves the gasification chamber together with the liquid slag and passes through the crude gas and slag outlet into the quenching space, into which water is injected via quench nozzles for cooling raw gas and slag. The slag settles down in the water and is discharged through a slag discharge. The quenched raw gas leaves saturated with water vapor and at a temperature of 200 ° C the quenching chamber via the pipeline 2 ,

Das Rohgas wird über den Rohgasweg weitergeleitet, der mit verschiedenen Elementen gebildet ist, wie z. B. der Rohrleitung 2 vom Quencher zu dem Wäscher 3, der Rohrleitung (4) von dem Wäscher 3 zum Wäscher 5, dem Wäscher 5 selbst und bei Verwendung eines Venturiwäschers der Venturikehle. Erfindungsgemäß ist wenigstens ein Rohgas führendes Element, sind mehrere oder sämtliche Rohgas führenden Elemente im Wesentlichen aus warmfestem Kohlenstoffstahl als Werkstoff gefertigt und an den Kontaktflächen mit dem Rohgas mit einer Antihaftbeschichtung, die einer Temperatur von 250°C beständig ist, zur Verhinderung des Anhaftens der sich bildenden Karbonate versehen.The raw gas is passed through the Rohgasweg formed with various elements, such as. B. the pipeline 2 from the quencher to the scrubber 3 , the pipeline ( 4 ) from the scrubber 3 to the scrubber 5 the scrubber 5 myself and when using Venturi throat venturi scrubber. According to the invention, at least one raw gas is a leading element, several or all raw gas leading elements are essentially made of heat-resistant carbon steel as a material and at the contact surfaces with the raw gas with a non-stick coating, which is a temperature of 250 ° C, to prevent sticking itself providing carbonates.

Claims (8)

Flugstromvergasungseinrichtung für einen Betrieb mit staubförmigen oder flüssigen Brennstoffen, wobei unter flüssigen Brennstoffen Öle oder feststoffhaltige Öle sowie Suspensionen von Wasser oder Öl mit staubfein gemahlenen Brennstoffen oder anorganischen Beimengen zu verstehen sind, bei Drucken zwischen Umgebungsdruck und 8 MPa, Vergasungstemperaturen zwischen 1.200 und 1.900°C, sowie mit einem freien Sauerstoff enthaltenden Vergasungsmittel umfassend – einen Vergasungsraum, – eine Quencheinrichtung und – ein das Rohgas führendes Element des Rohgasweges dadurch gekennzeichnet, dass der Quenchprozess bei einem pH-Wert > 6,5 betreibbar ist sowie das Rohgas führende Element im Wesentlichen aus warmfestem Kohlenstoffstahl als Werkstoff gefertigt ist und an den Kontaktflächen mit dem Rohgas mit einer Antihaftbeschichtung, die einer Temperatur von 250°C beständig ist, zur Verhinderung des Anhaftens der sich bildenden Karbonate versehen ist.An entrainment gasification apparatus for operation with powdered or liquid fuels, by liquid fuels oils or solids-containing oils and suspensions of water or oil with pulverized fuels or inorganic admixtures are to be understood, at pressures between ambient pressure and 8 MPa, gasification temperatures between 1,200 and 1,900 ° C. , as well as with a free oxygen-containing gasification agent comprising - a gasification chamber, - a quenching device and - a raw gas leading element of Rohgasweges characterized in that the quenching process at a pH> 6.5 is operable as well as the raw gas leading element substantially heat-resistant carbon steel is made as a material and is provided at the contact surfaces with the raw gas with a non-stick coating, which is a temperature of 250 ° C, to prevent the adherence of the forming carbonates. Flugstromvergasungseinrichtung nach Anspruch 1 dadurch gekennzeichnet, dass ein das Rohgas führendes Element durch eine Rohrleitung (2, 4) gegeben ist.Entrainment gasification device according to claim 1, characterized in that a raw gas leading element through a pipeline ( 2 . 4 ) given is. Flugstromvergasungseinrichtung nach Anspruch 1 dadurch gekennzeichnet, dass ein das Rohgas führendes Element durch einen Wäscher (3, 5) gegeben ist.Entrained flow gasification device according to claim 1, characterized in that a raw gas leading element by a scrubber ( 3 . 5 ) given is. Flugstromvergasungseinrichtung nach Anspruch 1 dadurch gekennzeichnet, dass ein das Rohgas führendes Element durch ein Venturirohr gegeben ist.Entrained flow gasification device according to claim 1 characterized characterized in that a raw gas leading element through a Venturi tube given is. Flugstromvergasungseinrichtung nach einem der vorstehenden Ansprüche 1 bis 4 dadurch gekennzeichnet, dass die Antihaftbeschichtung durch Chemisch Nickel gegeben ist.Entrained flow gasification device according to one of the preceding claims 1 to 4, characterized in that the non-stick coating by chemical Nickel is given. Flugstromvergasungseinrichtung nach einem der vorstehenden Ansprüche 1 bis 4 dadurch gekennzeichnet, dass die Antihaftbeschichtung durch Chemisch Nickel PTFE gegeben ist.Entrained flow gasification device according to one of the preceding claims 1 to 4, characterized in that the non-stick coating by chemical Nickel PTFE is given. Flugstromvergasungseinrichtung nach einem der vorstehenden Ansprüche 1 bis 4 dadurch gekennzeichnet, dass die Antihaftbeschichtung durch eine Fluorpolymerbeschichtung gegeben ist.Entrained flow gasification device according to one of the preceding claims 1 to 4, characterized in that the non-stick coating by a Fluoropolymer coating is given. Flugstromvergasungseinrichtung nach einem der vorstehenden Ansprüche 1 bis 4 dadurch gekennzeichnet, dass die Antihaftbeschichtung durch Spezial-Email gegeben ist.Entrained flow gasification device according to one of the preceding claims 1 to 4, characterized in that the non-stick coating by special enamel given is.
DE102007037860A 2007-08-10 2007-08-10 Coating of the raw gas path of an entrainment gasification plant with a thermally resistant non-stick coating Withdrawn DE102007037860A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE102007037860A DE102007037860A1 (en) 2007-08-10 2007-08-10 Coating of the raw gas path of an entrainment gasification plant with a thermally resistant non-stick coating
US12/221,940 US20090038223A1 (en) 2007-08-10 2008-08-07 Coating the crude gas tract of a fly-stream gasification plant with a heat-resistant anti-stick layer
CNA2008101298544A CN101362968A (en) 2007-08-10 2008-08-07 Coating the crude gas tract of a fly-stream gasification plant with a heat-resistant anti-stick layer

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009056167A1 (en) * 2009-11-27 2011-06-01 Siemens Aktiengesellschaft Minimization of carbonate deposits on the heat exchanger surfaces of heat exchangers in the quench water circuit of an entrainment gasification plant
DE102010026172A1 (en) * 2010-07-06 2012-01-12 Siemens Aktiengesellschaft Process for preventing deposits of carbonate-rich waters in the flow stream gasification
WO2012031860A1 (en) * 2010-09-09 2012-03-15 Siemens Aktiengesellschaft Circulation of process waters in entrained-bed gasification under process pressure with a pressure filtration unit
US9050551B2 (en) 2011-10-28 2015-06-09 American Air Liquide, Inc. Supersonic venturi scrubber
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DE102013203276B4 (en) * 2013-02-27 2016-02-25 Siemens Aktiengesellschaft Washing water and circulating water in a gasification plant with cooling of the expansion waters
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