DE1228742B - Process for transferring a finely divided solid fuel from a room at normal pressure into a room under increased pressure - Google Patents

Process for transferring a finely divided solid fuel from a room at normal pressure into a room under increased pressure

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Publication number
DE1228742B
DE1228742B DEK47706A DEK0047706A DE1228742B DE 1228742 B DE1228742 B DE 1228742B DE K47706 A DEK47706 A DE K47706A DE K0047706 A DEK0047706 A DE K0047706A DE 1228742 B DE1228742 B DE 1228742B
Authority
DE
Germany
Prior art keywords
pressure
fuel
room
transferring
finely divided
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.)
Pending
Application number
DEK47706A
Other languages
German (de)
Inventor
Hugo Lewandowsky
Klaus Vogt
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.)
Heinrich Koppers GmbH
Original Assignee
Heinrich Koppers 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 Heinrich Koppers GmbH filed Critical Heinrich Koppers GmbH
Priority to DEK47706A priority Critical patent/DE1228742B/en
Priority to GB3817062A priority patent/GB1016721A/en
Publication of DE1228742B publication Critical patent/DE1228742B/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/02—Feed or outlet devices therefor
    • 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
    • C10J1/00—Production of fuel gases by carburetting air or other gases without pyrolysis
    • C10J1/207—Carburetting by pyrolysis of solid carbonaceous material in a fuel bed
    • 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
    • C10J3/466—Entrained flow processes
    • 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
    • C10J3/50—Fuel charging devices
    • C10J3/506—Fuel charging 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
    • C10J3/78—High-pressure apparatus
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/82—Gas withdrawal means
    • C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0956—Air or oxygen enriched air
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0959—Oxygen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0973—Water
    • C10J2300/0976—Water as steam
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1861—Heat exchange between at least two process streams
    • C10J2300/1884—Heat exchange between at least two process streams with one stream being synthesis gas
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1861—Heat exchange between at least two process streams
    • C10J2300/1892—Heat exchange between at least two process streams with one stream being water/steam

Description

Verfahren zum Überführen eines feinzerteilten festen Brennstoffes aus einem Raum gewöhnlichen Druckes in einen unter erhöhtem Druck stehenden Raum Zusatz zum Patent: 1 189226 Im Hauptpatent 1 189 226 wird ein Verfahren zum Überführen eines feinzerteilten festen Brennstoffes aus einem Raum gewöhnlichen Druckes in einen unter erhöhtem Druck, vorzugsweise zwischen 20 und 35 atü, stehenden Raum beschrieben, der der Vergasung des Brennstoffes in der Schwebe mit Sauerstoff und gegebenenfalls Wasserdampf dient.Process for transferring a finely divided solid fuel from a room under normal pressure to a room under increased pressure Addition to the patent: 1 189226 The main patent 1 189 226 describes a process for transferring a finely divided solid fuel from a room of normal pressure in a room under increased pressure, preferably between 20 and 35 atmospheres described the gasification of the fuel in suspension with oxygen and if appropriate, water vapor is used.

Dabei ist vorgesehen, daß der im wesentlichen unter Normaldruck stehende Brennstoff zunächst aus einem Vorratsbunker mittels eines Injektors, eines pneumatischen Drucktopfförderers od. dgl. einem mittels eines Verdichters auf einen über den Betriebsdruck der Vergasungseinrichtung liegenden Druck verdichteten Strom eines inerten Gases, vorzugsweise Stickstoff, aufgegeben wird. Darauf wird das Gas-Brennstoff-Gemisch in eine unter dem Betriebsdruck der Vergasungseinrichtung stehende Abscheideeinrichtung geleitet, in der sich Gas und Brennstoff voneinander trennen, und schließlich wird der nunmehr unter dem Betriebsdruck der Vergasungseinrichtung stehende Brennstoff mittels der oder eines der Reaktionsmedien in den Vergasungsraum eingeblasen.It is provided that the pressure is essentially under normal pressure Fuel initially from a storage bunker using an injector, a pneumatic one Pressure pot conveyor or the like one by means of a compressor to one above the operating pressure the gasification device compressed stream of an inert gas, preferably nitrogen. Then the gas-fuel mixture appears into a separating device which is under the operating pressure of the gasification device in which gas and fuel separate from each other, and finally becomes the fuel now under the operating pressure of the gasification device blown into the gasification chamber by means of the or one of the reaction media.

Die vorliegende Erfindung stellt nun eine Abwandlung des Verfahrens gemäß dem Hauptpatent dar. The present invention now represents a modification of the method according to the main patent.

Sie schlägt vor, den Brennstoff nach Zugabe der noch erforderlichen Menge an Reaktionsmedien zusammen mit dem Trägergas in die Vergasungseinrichtung einzuführen.She suggests adding fuel after adding what is still required Amount of reaction media together with the carrier gas in the gasification device to introduce.

Es hat sich nämlich gezeigt, daß die für den Betrieb von Injektordüsen, Drucktopfförderern od. dgl. benötigte Trägergasmenge im Vergleich zur Menge des Vergasungssauerstoffes relativ gering ist. Selbst bei der Verwendung eines Inertgases, vorzugsweise von Stickstoff, als Trägergas ist dieser Ballast wirtschaftlich praktisch ohne Bedeutung. Nimmt man gemäß einem weiteren Merkmal der Erfindung Luft als Trägergas, so hat dies den Vorteil, daß man einmal von jeder Trägergaszulieferung unabhängig ist und zum anderen der benötigte Vergasungssauerstoff etwa um die Menge des Luftsauerstoffes reduziert werden kann. It has been shown that the for the operation of injector nozzles, Pressure pot conveyors or the like. Amount of carrier gas required compared to the amount of Gasification oxygen is relatively low. Even when using an inert gas, preferably nitrogen; this ballast is economically practical as a carrier gas irrelevant. If, according to a further feature of the invention, air is used as the carrier gas, so this has the advantage that one is independent of each carrier gas supply is and on the other hand the required gasification oxygen about the amount of atmospheric oxygen can be reduced.

Die Erfindung ist an Hand der Zeichnung, die als Beispiele zwei Ausführungsformen des Verfahrens in vereinfachter Form darstellt, näher erläutert. The invention is based on the drawing, which exemplifies two embodiments represents the method in simplified form, explained in more detail.

Gemäß F i g. 1 wird der staubförmige Brennstoff von einer hier nicht eingezeichneten Mahlanlage zunächst durch Leitung 2 pneumatisch in den Zyklonbunker 3 transportiert, der im wesentlichen unter Normaldruck steht. According to FIG. 1 the dusty fuel from one here will not The grinding plant shown first pneumatically through line 2 into the cyclone bunker 3 transported, which is essentially under normal pressure.

Hier erfolgt die Trennung von Brennstoff und Fördergas, beispielsweise Stickstoff, welch letzteres durch Leitung 4 und Filter 5 entweicht. Der Brenn- stoff gelangt über einen Zuteiler 6 in den Schleusbehälter 39 und von dort über einen weiteren Zuteiler in den Drucktopfförderer 36. Durch nicht dargestellte Füllanzeiger im Drucktopfförderer wird dieser aus dem Schleusbehälter von Zeit zu Zeit nachgefüllt, so daß er stets eine ausreichende Füllung aufweist. This is where the separation of fuel and conveying gas takes place, for example Nitrogen, which the latter escapes through line 4 and filter 5. The burning material reaches the lock container 39 via an allocator 6 and from there via a further dispenser in the pressure pot conveyor 36. By filling indicators, not shown in the pressure pot conveyor, this is refilled from the lock container from time to time, so that it always has a sufficient filling.

Um bei etwaigen Betriebsstörungen ein Zurückschlagen des Druckes in den Schleusbehälter 39 bzw. den Zyklonbunker 3 zu vermeiden, sind noch Rückschlagorgane 35 vorgesehen.In order to prevent the pressure in to avoid the lock container 39 or the cyclone bunker 3 are still non-return organs 35 provided.

Der Drucktopfförderer 36 wird mit einem gasförmigen Medium, das sowohl ein Inertgas als auch Luft sein kann und im folgenden als Trägergas be zeichnet wird, beaufschlagt. Dieses Trägergas ist zuvor mittels des Verdichters8 auf einen über den Betriebsdruck der Vergasungseinrichtung liegenden Druck komprimiert worden und fördert nun den staubförmigen Brennstoff durch Leitung 9 zur Vergasungseinrichtung 17. Vor Eintritt in diese wird dem Brennstoff-Trägergas-Gemisch noch die erforderliche Menge Reaktionsmedien zugegeben, und zwar durch Leitung 19 der im Verdichter 18 komprimierte Sauerstoff und durch Leitung 23 der Wasserdampf. Alle diese Medien werden in der Mischstrecke 40 intensiv vermischt, so daß dem Brenner 16 der Vergasungseinrichtung 17 ein homogenes Reaktionsgemisch zugeleitet wird. The pressure pot conveyor 36 is with a gaseous medium that both can be an inert gas as well as air and is referred to below as a carrier gas is applied. This carrier gas is previously by means of the compressor8 on a has been compressed pressure lying above the operating pressure of the gasification device and now promotes the pulverized fuel through line 9 to the gasification device 17. Before entering this, the fuel-carrier gas mixture is still the required Amount of reaction media added, through line 19 in the compressor 18 compressed oxygen and through line 23 the water vapor. All of these media are intensively mixed in the mixing section 40, so that the burner 16 of the gasification device 17 a homogeneous reaction mixture is fed.

Die in der Vergasungseinrichtung 17 anfallende und in den meisten Fällen flüssige Schlacke wird mittels eines Schleusensystems 20 ausgetragen. Das erzeugte heiße Produktionsgas passiert nach Verlassen der Vergasungseinrichtung den Abhitzekessel 21 und wird schließlich noch in einem Wascher 22 gereinigt und gekühlt, worauf es nun mit dem gewünschten Druck zur Verfügung steht. Der im Abhitzekessel 21 gewonnene Wasserdampf dient zu emeni: kleineren Teil als Reaktionswasserdampf, der durch Leitung 23 zur Vergasungseinrichtung geleitet wird; während die Hauptmenge durch Leitung 24 anderen Verwendungszwecken zugeführt werden kann. The accumulating in the gasifier 17 and in most Cases liquid slag becomes by means of a lock system 20 carried out. The generated hot production gas passes after it leaves the gasification device the waste heat boiler 21 and is finally cleaned in a washer 22 and cooled, whereupon it is now available with the desired pressure. The one in the waste heat boiler 21 obtained water vapor serves to emeni: smaller part as reaction water vapor, which is passed through line 23 to the gasifier; while the main crowd can be fed through line 24 for other uses.

Die Ausführungsform gemäß F i g. 2 unterscheidet sich von der vorbeschriebenen lediglich dadurch, daß an Stelle eines Drucktopfförderers ein Injektor 7 vorgesehen ist. Da dieser naturgemäß kontinuierlich arbeitet, erübrigt sich hier ein Schleusbehälter. Vielmehr gelangt, der feinzerteilte Brennstoff direkt aus dem Zyklonbunker 3 uber Zuteiler 6 und Rückschlagorgan 35 zum Injektor, der ihn wiederum mit dem Trägergas zur Vergasungseinrichtung befördert. The embodiment according to FIG. 2 differs from the one described above only in that an injector 7 is provided instead of a pressure pot conveyor is. Since this naturally works continuously, there is no need for a lock container. Rather, the finely divided fuel arrives directly from the cyclone bunker 3 Distributor 6 and non-return member 35 to the injector, which in turn with the carrier gas conveyed to the gasifier.

Claims (3)

Patentansprüche: 1. Verfahren: zum: Überführen eines feinzerteilten festen Brennstoffes aus einem Raum gewöhnlichen Drucke - n - einen unter erhölitem Druck, vorzugsweise zwischen 20 und 35 atü, stehenden, der Vergasung des Brennstoffes in der Schwebe mit Sauerstoff und gegebenenfalls Wasserdampf dienenden Raum, wobei der im wesentlichen unter Normaldruck stehende Brennstoff aus einem Vorratsbunker mittels eines Injekt0rs=:eines pleumatischen Drucktopfförderers od. dgl. einem auf einen über dem Betriebsdruck der Vergasungseinrichtung verdichteten Gasstrom aufgegeben wird, nach Patent 1 189 226, dadurch gekennzeichnet, daß der Brennstoff nach Zugabe der noch erforderlichen Menge an Reaktionsmedien zusammen -mit dem Trägergas in die Vergasungseinrichtung eingeführt wird. Claims: 1. Method: for: transferring a finely divided solid fuel from one room ordinary prints - n - one under increased Pressure, preferably between 20 and 35 atm, the gasification of the fuel in suspension with oxygen and possibly water vapor serving space, wherein the fuel, which is essentially under normal pressure, from a storage bunker by means of an Injekt0rs =: a pleumatic pressure pot conveyor or the like abandoned a gas stream compressed above the operating pressure of the gasification device is, according to patent 1 189 226, characterized in that the fuel after addition the still required amount of reaction media together with the carrier gas in the gasifier is introduced. 2. Verfahren nach»Anspruch 1, dadurch ge-Akennmeich-liet, daß als:Iräg"etgas:ein Inertgas vorzugsweise Stickstaff,- verwendet wird. 2. The method according to »claim 1, characterized ge-Akennmeich-liet that as: Irä" etgas: a Inert gas, preferably nitrogen, is used. 3. Verfahren nach Anspruch--1, dadurch gekennzeichnet, daß: als Trägergas Luft verwendet wird. 3. The method according to claim - 1, characterized in that: as a carrier gas Air is used. In Betracht gezogene ältere Patente Deutsches PatentNr.- 1 189 226. - Older patents considered German Patent No. -1 189 226. -
DEK47706A 1961-10-11 1962-09-01 Process for transferring a finely divided solid fuel from a room at normal pressure into a room under increased pressure Pending DE1228742B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DEK47706A DE1228742B (en) 1961-10-11 1962-09-01 Process for transferring a finely divided solid fuel from a room at normal pressure into a room under increased pressure
GB3817062A GB1016721A (en) 1961-10-11 1962-10-09 Improvements in the production of combustible gases

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEK44904A DE1189226B (en) 1961-10-11 1961-10-11 Process for transferring a finely divided solid fuel from a room at normal pressure into a room under increased pressure
DEK47706A DE1228742B (en) 1961-10-11 1962-09-01 Process for transferring a finely divided solid fuel from a room at normal pressure into a room under increased pressure

Publications (1)

Publication Number Publication Date
DE1228742B true DE1228742B (en) 1966-11-17

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DEK44904A Pending DE1189226B (en) 1961-10-11 1961-10-11 Process for transferring a finely divided solid fuel from a room at normal pressure into a room under increased pressure
DEK47706A Pending DE1228742B (en) 1961-10-11 1962-09-01 Process for transferring a finely divided solid fuel from a room at normal pressure into a room under increased pressure

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Application Number Title Priority Date Filing Date
DEK44904A Pending DE1189226B (en) 1961-10-11 1961-10-11 Process for transferring a finely divided solid fuel from a room at normal pressure into a room under increased pressure

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2654662A1 (en) * 1975-12-04 1977-06-08 Shell Int Research METHOD AND DEVICE FOR PARTIAL BURNING OF COAL DUST
DE2831208A1 (en) * 1977-09-19 1979-03-29 Freiberg Brennstoffinst METHOD AND DEVICE FOR THE PRESSURE GASIFICATION OF PUSTY FUELS
EP0048097A1 (en) * 1980-09-04 1982-03-24 Mobil Oil Corporation Refinery fuel gas system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2556162C2 (en) * 1975-12-13 1985-02-28 Krupp Koppers GmbH, 4300 Essen Device and method for introducing fine-grained to pulverulent fuels into a gasification device under increased pressure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2509983A (en) * 1946-10-17 1950-05-30 Fuller Co Method and apparatus for handling pulverulent materials
DE972609C (en) * 1947-07-24 1959-08-20 Comb Engineering Gas generator for gasifying gaseous or dusty fuels
DE847047C (en) * 1948-12-07 1952-08-21 Koppers Co Inc Production of carbon monoxide and possibly hydrogen containing gases from finely divided solid fuels
DE972895C (en) * 1949-10-31 1959-10-22 Koppers Gmbh Heinrich Device for the continuous transfer of a finely divided solid material from a room with normal pressure into a room under increased pressure
DE974570C (en) * 1954-04-06 1961-02-23 Polysius Gmbh Method and device for emptying and conveying bulk material of all kinds by means of compressed air from pressure vessels with a porous bottom insert

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2654662A1 (en) * 1975-12-04 1977-06-08 Shell Int Research METHOD AND DEVICE FOR PARTIAL BURNING OF COAL DUST
DE2831208A1 (en) * 1977-09-19 1979-03-29 Freiberg Brennstoffinst METHOD AND DEVICE FOR THE PRESSURE GASIFICATION OF PUSTY FUELS
EP0048097A1 (en) * 1980-09-04 1982-03-24 Mobil Oil Corporation Refinery fuel gas system

Also Published As

Publication number Publication date
DE1189226B (en) 1965-03-18

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