EP0011887B1 - Procédé pour la fabrication des briquettes du charbon collant pour la gasification - Google Patents

Procédé pour la fabrication des briquettes du charbon collant pour la gasification Download PDF

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Publication number
EP0011887B1
EP0011887B1 EP79200619A EP79200619A EP0011887B1 EP 0011887 B1 EP0011887 B1 EP 0011887B1 EP 79200619 A EP79200619 A EP 79200619A EP 79200619 A EP79200619 A EP 79200619A EP 0011887 B1 EP0011887 B1 EP 0011887B1
Authority
EP
European Patent Office
Prior art keywords
coal
mixed
caking coal
process according
fine
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.)
Expired
Application number
EP79200619A
Other languages
German (de)
English (en)
Other versions
EP0011887A1 (fr
Inventor
Gerhard Dr. Dipl.-Ing. Baron
Dieter Dr. Dipl.-Chem. Sauter
Wolfgang Sindel
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.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Publication of EP0011887A1 publication Critical patent/EP0011887A1/fr
Application granted granted Critical
Publication of EP0011887B1 publication Critical patent/EP0011887B1/fr
Expired legal-status Critical Current

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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
    • C10J3/02—Fixed-bed gasification of lump fuel
    • 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
    • C10J3/02—Fixed-bed gasification of lump fuel
    • C10J3/20—Apparatus; Plants
    • C10J3/30—Fuel charging 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
    • C10J3/72—Other features
    • C10J3/78—High-pressure apparatus
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
    • C10L5/34—Other details of the shaped fuels, e.g. briquettes
    • C10L5/36—Shape
    • C10L5/38—Briquettes consisting of different layers
    • 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
    • C10J2300/093—Coal
    • 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
    • C10J2300/0969—Carbon dioxide
    • 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
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0983—Additives
    • C10J2300/0986—Catalysts
    • 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
    • C10J2300/0983—Additives
    • C10J2300/0996—Calcium-containing inorganic materials, e.g. lime

Definitions

  • the invention relates to the production of moldings for a process for gasifying baking coal under a pressure between 5 and 150 bar with gasifying agents containing free oxygen, water vapor and / or carbon dioxide, the coal forming a fixed bed which slowly moves downwards, the gasifying agents introduced into the fixed bed from below and the incombustible mineral components of the coal removed as solid ash or liquid slag under the fixed bed. All baking coals are suitable for the process.
  • granular coal with a grain size approximately in the range of 3 to 60 mm is introduced into the gasification reactor.
  • the object of the invention is to be able to use fine-grained coal for the method mentioned at the outset.
  • This fine-grained coal can be produced during the extraction of the coal or can have been produced for the process by comminution. According to the invention, this is achieved by mixing fine-grained coal with a grain size below 0.1 mm and coarse-grained coal with a grain size substantially above 0.3 mm in a weight ratio of at least 1: 2, producing shaped bodies from the mixture and releasing them for gasification .
  • the weight ratio can be up to about 3: 1.
  • the caking of the shaped bodies is prevented entirely or at least largely by their method of manufacture alone, without additional aids.
  • the heating rate of the fine-grained constituents contained in the individual shaped body is greater than that of the coarse-grained ones. While the fine-grained components soften, the coarse-grained components act as a lean agent and prevent the molded body from flowing away. When heated further, the fine-grained constituents finally change into a coke, while the coarse-grained constituents begin to become plastic. In this phase, the coke from the fine-grained components acts as a lean agent and holds the softening coarse-grained components together.
  • the moldings can be made in a known manner, e.g. be produced by briquetting, pelleting or extrusion. Their diameter will generally be between about 5 and 50 mm and preferably about 10 to 30 mm. So that the shaped bodies can be introduced into the gasification sector without substantial disintegration, it may be advisable to dry them beforehand.
  • various substances can be added to the baking coal to be mixed.
  • This can be, for. B. are organic or inorganic binders, in particular peck, tar, cracked coke, hydrogenation residues, spent liquor, molasses, lime, bentonite, dolomite or montmorillonite.
  • binders can also be mixed with one another in the moldings.
  • catalytically active substances for increasing the reactivity of the solid fuels e.g. B.
  • NaCl, KCI, Na z CO a , K 2 CO 3 oxides of molybdenum, tungsten, tin, chromium, nickel, cobalt or iron and finely ground zeolites.
  • Supplements to the fuel mixture can also be made e.g. B. from Na 2 BO 7 , NaNO z , K 2 CrO 4 , KzCOa or KNO, which can reduce the baking and blowing properties of the fuel.
  • the coal used for the moldings usually has an incombustible content of between 5 and 40%, preferably between 10 and 30%.
  • the gasification product gas can be used in a variety of ways. After cleaning and conditioning, the gas can e.g. can be used for syntheses or as hydrogenation gas. Another possibility is to use the gas as fuel gas, if necessary after removing disruptive solid or gaseous constituents, and to use it in a combined steam-gas turbine power plant.
  • a baking coal with a baking number of 35 according to ISO 335-1974 and an expansion number of 4 according to DIN 51741 was ground into a largely uniform grain size range of 0.1 to 2 mm.
  • the ground coal was pelletized with water with the addition of 5% molasses and the pellets, the diameter of 10 to 20 mm, dried at 110 ° C for 1 hour. This was followed by coking tests under a pressure of 20 bar to 800 ° C with heating rates of 6 to 60 ° C / min.
  • the product obtained was baked and was taken out of the coking apparatus as a firmly connected, grape-like structure. In this state, the caked conglomerate was not suitable for gasification in a fixed bed. This type of treatment of coal is therefore not a usable technical solution for the gasification of fine-grained material.
  • Example 1 The coal of Example 1 was ground and fine-grained constituents with a grain size of less than 0.1 mm, of which about 60% had a grain size of less than 0.06 mm, were separated off. A second portion of the ground coal, consisting essentially of grains above 0.3 mm, was also provided. The two fuel parts were mixed approximately homogeneously in a weight ratio of 1: 1, mixed with 5% sulfite waste liquor and formed into egg-shaped briquettes with volumes of 10-20 cm 3 (largest diameter 30-35 mm). The coking tests of Example 1 were repeated, reaching temperatures up to about 800 ° C. With this treatment, the briquettes remained dimensionally stable and were not connected. They were excellently suited for gasification in a fixed bed.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Processing Of Solid Wastes (AREA)

Claims (6)

1. Procédé de fabrication de corps moulés en charbon collant à grains fins pour la gazéification sous une pression comprise entre 5 et 150 bars, à l'aide d'agents de gazéification contenant de l'oxygène libre, de la vapeur d'eau et/ou du gaz carbonique, en lit fixe, qui se déplace lentement vers le bas, l'agent de gazéification étant introduit par le bas dans le lit fixe et les constituants minéraux incombustibles du charbon étant soutirés sous le lit fixe sous forme de cendres solides ou de scories liquides, caractérisé en ce qu'il consiste à mélanger le charbon collant, dont une partie a une granulométrie inférieure à 0,1 mm et dont la partie restante plus grossière en le même charbon a une granulométrie essentiellement supérieure à 0,3 mm, en un rapport pondéral d'au moins 1 : 2 à environ 3: 1, et à fabriquer des corps moulés en ce mélange.
2. Procédé suivant la revendication 1, caractérisé en ce que les corps moulés ont un diamètre de 5 à 50 mm et, de préférence, de 10 à 30 mm.
3. Procédé suivant la revendication 1 ou 2, caractérisé an ce qu'il consiste à ajouter au charbon collant à mélanger des liants organiques ou minéraux, notamment du brai, du goudron, du coke de craquage, des résidus d'hydrogénation, de la lessive sulfitique, de la mélasse, de la chaux, de la bentonite, de la dolomite ou de la montmorillonite.
4. Procédé suivant la revendication 1 ou l'une des revendications suivantes, caractérisé en ce qu'il consiste à ajouter au charbon collant à mélanger des substances catalytiques non actives et notamment NaCl, KCI, Na2CO2, K2CO3, des oxydes du molybdène, du tungstène, de l'étain, du chrome, du nickel, du cobalt ou du fer, ou des zéolites finement broyées.
5. Procédé suivant la revendication 1 ou l'une des revendications suivantes, caractérisé en ce qu'il consiste à ajouter au charbon collant à mélanger des substances qui diminuent les propriétés collantes et gonflantes du charbon, notamment Na2B4O7, NaNO2, K2CrO4, K2CO3 ou KN03.
6. Procédé suivant la revendication 1 ou l'une des revendications suivantes, caractérisé en ce que le charbon collant à mélanger présente une teneur en constituants qui ne sont pas combustibles, qui est comprise entre 5 et 40% en poids et, de préférence, comprise entre 10 et 30% en poids.
EP79200619A 1978-11-28 1979-10-25 Procédé pour la fabrication des briquettes du charbon collant pour la gasification Expired EP0011887B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2851370 1978-11-28
DE19782851370 DE2851370A1 (de) 1978-11-28 1978-11-28 Verfahren zum vergasen koerniger fester brennstoffe

Publications (2)

Publication Number Publication Date
EP0011887A1 EP0011887A1 (fr) 1980-06-11
EP0011887B1 true EP0011887B1 (fr) 1982-06-16

Family

ID=6055717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79200619A Expired EP0011887B1 (fr) 1978-11-28 1979-10-25 Procédé pour la fabrication des briquettes du charbon collant pour la gasification

Country Status (6)

Country Link
EP (1) EP0011887B1 (fr)
JP (1) JPS5575488A (fr)
AU (1) AU528829B2 (fr)
DE (2) DE2851370A1 (fr)
PL (1) PL118301B2 (fr)
ZA (1) ZA795836B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334893A (en) * 1979-06-25 1982-06-15 Exxon Research & Engineering Co. Recovery of alkali metal catalyst constituents with sulfurous acid
DE3245567C2 (de) * 1982-12-09 1985-04-18 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zum Vergasen kohlehaltiger Agglomerate im Festbett
IN161460B (fr) * 1983-11-14 1987-12-05 Voest Alpine Ag
SE8400092L (sv) * 1984-01-10 1985-07-11 T G Owe Berg Forfarande for forbrenning av kol utan utslepp av kolets skadliga emnen
DE3441757A1 (de) * 1984-11-15 1986-05-15 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zum herstellen kohlehaltiger pellets fuer die vergasung
DE3441756A1 (de) * 1984-11-15 1986-05-15 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zum herstellen braunkohlehaltiger pellets fuer die vergasung
JPS62241991A (ja) * 1986-04-15 1987-10-22 Univ Tohoku 石炭の低温接触水蒸気ガス化による高カロリ−ガス製造法
CN103113949B (zh) * 2013-02-01 2014-04-09 太原理工大学 一种制型煤粘结剂的方法
CN109181783B (zh) * 2018-10-11 2020-12-29 新奥科技发展有限公司 一种煤催化加氢制取甲烷的方法及装置
CN113430027B (zh) * 2021-07-01 2022-06-14 唐山市华亿生物质燃料有限公司 一种生物质燃料
CN114621792A (zh) * 2022-03-30 2022-06-14 西安交通大学 一种利用KMnO4改性生物质焦炭去除气化焦油的系统及方法

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
FR417929A (fr) * 1909-09-27 1910-11-25 Otto Dieffenbach Procédé de fabrication d'hydrogène
DE742924C (de) * 1940-06-28 1943-12-15 Kohlentechnik M B H Ges Verfahren zur Herstellung von Steinkohlenbriketts
DE914537C (de) * 1944-08-11 1954-07-05 Braunkohle Benzin Ag Verfahren zum Verarbeiten von Briketts aus Abfallteeren, Druckhydrierungsrueckstaenden od. dgl. und teerfreien Brennstoffen, wie Multiklonstaub, Generatorasche u. dgl.
US2689786A (en) * 1949-01-20 1954-09-21 Hubmann Otto Process for the gasification of solid fuels
DE972499C (de) * 1949-05-20 1959-07-30 Ruhrgas Ag Vergasung von Brennstoffen in Verbindung mit der Verhuettung von Erzen
DE1186825B (de) * 1963-10-09 1965-02-11 Bergwerksverband Gmbh Verfahren zur Herstellung von Formkoerpern aus feinkoernigen Stoffen, insbesondere Brennstoffen
FR1445980A (fr) * 1965-08-31 1966-07-15 Bergwerksverband Gmbh Procédé pour la fabrication d'agglomérés de coke sphériques
US3692505A (en) * 1971-04-05 1972-09-19 Consolidation Coal Co Fixed bed coal gasification
GB1435089A (en) * 1972-11-09 1976-05-12 Gen Electric Fixed bed coal gasification
DE2264924A1 (de) * 1972-11-17 1975-08-28 Gen Electric Verfahren zur erzeugung eines gasgemisches
DE2540165B2 (de) * 1975-09-09 1979-01-11 Steag Ag, 4300 Essen Aufbereitungsverfahren zur Gewinnung eines zum Betrieb eines Druckvergasers dienenden Brennstoffes aus Kohle
DE2629182C2 (de) * 1976-06-29 1978-08-10 Bergwerksverband Gmbh, 4300 Essen Verfahren zum Beschicken eines Vergasungsreaktors

Also Published As

Publication number Publication date
DE2851370A1 (de) 1980-06-04
DE2963123D1 (en) 1982-08-05
JPS5575488A (en) 1980-06-06
PL219911A2 (fr) 1980-08-11
EP0011887A1 (fr) 1980-06-11
PL118301B2 (en) 1981-09-30
AU5320479A (en) 1980-05-29
AU528829B2 (en) 1983-05-12
ZA795836B (en) 1980-10-29

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