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WO2016169661A1 - Procédé et installation de production de gaz de synthèse et de produits de pyrolyse à partir de charbon de différentes tailles de grains - Google Patents

Procédé et installation de production de gaz de synthèse et de produits de pyrolyse à partir de charbon de différentes tailles de grains Download PDF

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Publication number
WO2016169661A1
WO2016169661A1 PCT/EP2016/025037 EP2016025037W WO2016169661A1 WO 2016169661 A1 WO2016169661 A1 WO 2016169661A1 EP 2016025037 W EP2016025037 W EP 2016025037W WO 2016169661 A1 WO2016169661 A1 WO 2016169661A1
Authority
WO
WIPO (PCT)
Prior art keywords
tar
oil
coal
naphtha
grained
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.)
Ceased
Application number
PCT/EP2016/025037
Other languages
English (en)
Inventor
Nicolas SPIEGL
Gerrit Surup
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Priority to AU2016251332A priority Critical patent/AU2016251332A1/en
Publication of WO2016169661A1 publication Critical patent/WO2016169661A1/fr
Anticipated expiration legal-status Critical
Priority to ZA2017/07325A priority patent/ZA201707325B/en
Ceased legal-status Critical Current

Links

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
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C10J3/482—Gasifiers with stationary fluidised 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
    • C10J3/02—Fixed-bed gasification of lump fuel
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B49/00—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
    • C10B49/02—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C10B53/04—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of powdered coal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
    • C10C1/00—Working-up tar
    • 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
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/001—Purifying combustible gases containing carbon monoxide working-up the condensates
    • 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
    • C10J2300/0903—Feed preparation
    • C10J2300/0906—Physical processes, e.g. shredding, comminuting, chopping, sorting
    • 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
    • C10J2300/0959—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
    • C10J2300/12—Heating the gasifier
    • C10J2300/1207—Heating the gasifier using pyrolysis gas as 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
    • C10J2300/00—Details of gasification processes
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
    • 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
    • C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
    • C10J2300/1615—Stripping
    • 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

Definitions

  • This invention relates to a process and a plant for converting coal into synthesis gas, tar, oil, naphtha, gas condensate and ash, comprising the process steps: a) providing coal,
  • a plant comprising a first plant section with a fixed- bed pressure gasification reactor in which the coal is gasified to a raw synthesis gas chiefly comprising carbon monoxide and hydrogen by using oxygen and steam, and wherein ash is produced, a second plant section which comprises a unit connected to the reactor for cooling and scrubbing the raw synthesis gas, which produces cooled synthesis gas and gas condensate loaded with tar and oil, and a third plant section for mechanically separating tar and oil from the gas condensate, wherein a chiefly tar- containing product stream, a chiefly oil-containing product stream, a chiefly dust- and tar-containing product stream and a gas condensate stream depleted of tar and oil is discharged from the third plant section for further processing.
  • the bed of the fixed-bed pressure gasification reactor can be traversed by the process gases oxygen and steam to a sufficient extent and uniformly distributed.
  • the fine-grained fraction must be separated from the coal before use in the reactor.
  • the separated fine-grained fraction of the coal in many cases is used as combustible material for the generation of process steam. It occurs, however, that the fine-grained fraction of the coal is so large that it amounts to up to 50 wt-%, so that it exceeds the coal demand for the generation of process steam and it is difficult to economically use the excess of fine-grained coal for other purposes.
  • a further disadvantage of this use as combustible material consists in that it is not possible to obtain valuable products, such as tar and oil, from this part of the coal.
  • the disadvantages of the prior art are overcome in that at least a part of the finegrained fraction of the coal is converted into coke as well as tar, oil and naphtha vapors by pyrolysis, wherein the coke is supplied to a further use and the tar and oil vapors are condensed and the tar is admixed to the chiefly tar-containing product stream from step c) and the oil is admixed to the chiefly oil-containing product stream from step c) and the naphtha vapor for the one part is supplied to another use and for the other part is condensed and the liquid naphtha obtained thereby is admixed to the chiefly oil-containing product stream from step c).
  • the yield of valuable products, such as tar and oil, from the coal is increased, as the fine-grained fraction of the coal no longer merely is fired or discarded, as it is common practice according to the prior art.
  • the quality of the pyrolysis products tar, oil and naphtha can be influenced.
  • the quality of the tar and oil produced by the process according to the invention thus can also be influenced selectively.
  • carbonization is understood as pyrolysis.
  • Pyrolysis conditions are understood to be physico-chemical conditions which provide for a thermochemical decomposition of organic compounds under largely non-oxidative conditions. They are known per se from the prior art and comprise the setting of high temperatures and largely the absence of oxidizing agents, i.e. for example heating under the exclusion of air. The skilled person will suitably select the pyrolysis conditions in dependence on the feedstock to be treated.
  • a particular aspect of the invention is characterized in that the fine-grained part of the coal mentioned in step b) of claim 1 is defined by a particle size of below 5 mm.
  • the particle size is adjusted by sieving with a sieve having a mesh width of 5 mm.
  • Another particular aspect of the invention Is characterized in that the tar, oil and naphtha vapors obtained by pyrolysis are cooled such that the tar and oil vapors are condensed completely and the naphtha vapor is condensed in part, and wherein the liquid tar, oil and naphtha phases obtained thereby are introduced into the third plant section mentioned in step c) and in the same are introduced into the gas condensate loaded with tar and oil, and wherein the non-condensed part of the naphtha vapor is supplied to another use.
  • the advantage of this aspect consists in that the condensation of the pyrolysis products can be effected close to the pyrolysis apparatus, whereby a transport of the vapors over larger distances through conduits is avoided.
  • Another particular aspect of the invention is characterized in that the tar, oil and naphtha vapors obtained during the pyrolysis in the third plant section mentioned in step c) are introduced into the gas condensate phase contained therein, which is loaded with tar and oil, wherein tar and oil vapors are condensed completely and together with the tar and oil obtained in step c) are separated from the gas condensate, and wherein the naphtha vapor is condensed in part and together with the oil separated from the gas condensate and the non-condensed part of the naphtha vapor is supplied to another use.
  • the advantage of this aspect consists in that no separate unit is required for the condensation of the vapors.
  • Another particular aspect of the invention is characterized in that the coke produced in the pyrolysis according to step d) of claim 1 is at least partly used as heat carrier for the production of the steam used for the gasification carried out in the fixed-bed pressure gasification reactor according to step c) of claim 1. Due to this use of the coke within the plant, costs for the sale and transport to more remote sites of use are avoided.
  • Another particular aspect of the invention is characterized in that the non- condensed part of the naphtha vapor is used as heat carrier in the pyrolysis of the fine-grained part of the coal. This measure increases the energy efficiency of the process.
  • Fig. 1 shows a schematic block diagram of the process according to the invention.
  • a mechanical separating device 2 e.g. a screening machine
  • the provided coal 1 is separated into a coarse-grained fraction 3 and a fine-grained fraction 4.
  • the coarse-grained fraction 3 of the coal is gasified to raw synthesis gas 8 by using oxygen 6 and steam 7, wherein ash 9 is produced.
  • the raw synthesis gas 8 is transferred from the first plant section 5 into a second plant section 10 and cooled and scrubbed there and is supplied to a further treatment as synthesis gas 1 1.
  • gas condensate 12 loaded with tar, oil and dust is obtained.
  • the fine-grained fraction 4 of the coal 1 for the one part 4a is supplied to a pyrolysis treatment 18 and for the other part 4b is supplied to another use, e.g. the use as combustible material.
  • the pyrolysis treatment 18 the coal is converted into coke 20, carbonization products 21 and waste gases 22 by dosed addition of air 19.
  • the coke 20 produced is supplied to a plant for steam generation 23, which is fed with water 24.
  • the generated steam 7 is introduced into the first plant section 5.
  • the waste gases 22 produced in the pyrolysis 18, which also contain naphtha are supplied to a further treatment.
  • carbonization products 21 which chiefly consist of tar, oil and naphtha and, in dependence on the process conditions applied during the pyrolysis and cooling treatment, are present in gaseous or liquid form.
  • the loaded gas condensate 12 and the carbonization products 21 liquefied by cooling are transferred into the plant section 13 and mixed therein.
  • a chiefly tar-containing product stream 14 a chiefly oil-containing product stream 15 which also contains naphtha, and a dust-containing and tar- containing product stream 16 are separated from the gas condensate in a mechanical way, e.g. by means of a settling tank, which often is referred to as tar separator.
  • the purified gas condensate 17 is supplied to a further treatment
  • the invention provides a process for converting coal into synthesis gas and valuable by-products such as tar, in which the fine fraction of the coil also is used effectively for the production of the by-products.

Landscapes

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

Abstract

La présente invention concerne un procédé de conversion du charbon en gaz de synthèse et en sous-produits, tels que par exemple du goudron et de l'huile. Le charbon est séparé en une fraction grossière et une fraction fine, la fraction grossière est traitée au cours d'un processus de gazéification sous pression à lit fixe, la fraction fine est traitée au cours d'un processus de pyrolyse, et les produits respectivement obtenus, contenant du goudron, de l'huile et du naphta, sont combinés et mélangés.
PCT/EP2016/025037 2015-04-20 2016-04-14 Procédé et installation de production de gaz de synthèse et de produits de pyrolyse à partir de charbon de différentes tailles de grains Ceased WO2016169661A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2016251332A AU2016251332A1 (en) 2015-04-20 2016-04-14 Process and plant for producing synthesis gas and pyrolysis products from coal of different grain size
ZA2017/07325A ZA201707325B (en) 2015-04-20 2017-10-27 Process and plant for producing synthesis gas and pyrolysis products from coal of different grain size

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15400016.0A EP3085755A1 (fr) 2015-04-20 2015-04-20 Méthode et système de génération du gaz de synthèse et des produits de pyrolyse à partir de charbon de tailles de grains différentes
EP15400016.0 2015-04-20

Publications (1)

Publication Number Publication Date
WO2016169661A1 true WO2016169661A1 (fr) 2016-10-27

Family

ID=53052783

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/025037 Ceased WO2016169661A1 (fr) 2015-04-20 2016-04-14 Procédé et installation de production de gaz de synthèse et de produits de pyrolyse à partir de charbon de différentes tailles de grains

Country Status (6)

Country Link
EP (1) EP3085755A1 (fr)
CN (2) CN106065338A (fr)
AU (1) AU2016251332A1 (fr)
DE (1) DE102015107490A1 (fr)
WO (1) WO2016169661A1 (fr)
ZA (1) ZA201707325B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108587694B (zh) * 2018-06-26 2024-04-09 西安建筑科技大学 一种煤热解气体产物分离装置、系统及方法
CN108659890B (zh) * 2018-06-26 2024-04-12 西安建筑科技大学 一种粉煤热解后粉尘与煤焦油、煤气的分离装置及分离方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980000974A1 (fr) * 1978-10-30 1980-05-15 Kaiser Eng Inc Procede de gazeification du charbon
EP0075972A1 (fr) * 1981-09-25 1983-04-06 Metallgesellschaft Ag Procédé pour gazéifier du combustible solide
EP0119648A2 (fr) * 1983-03-22 1984-09-26 Metallgesellschaft Ag Procédé pour gazéifier des combustibles solides en lit mouvant et lit fluidisé
DE3913894A1 (de) * 1989-04-27 1990-10-31 Metallgesellschaft Ag Verfahren zum konvertieren von gasen aus der vergasung fester brennstoffe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD143429A1 (de) * 1979-05-04 1980-08-20 Peter Modde Verfahren zur senkung des dampf-sauerstoffverhaeltnisses bei der kohledruckvergasung
DE3032265A1 (de) * 1980-08-27 1982-04-01 Ruhrkohle Ag, 4300 Essen Thermische behandlung feinkoerniger kohle und verwertung der entstehenden schwelgase, rauchgas und der entgasten kohle
CN101613615B (zh) * 2008-06-26 2013-01-23 中国科学院过程工程研究所 一种煤的解耦提质方法和系统
DE102012202129B4 (de) * 2012-02-13 2016-07-28 Technische Universität Bergakademie Freiberg Verfahren und Einrichtung zur Festbettvergasung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980000974A1 (fr) * 1978-10-30 1980-05-15 Kaiser Eng Inc Procede de gazeification du charbon
EP0075972A1 (fr) * 1981-09-25 1983-04-06 Metallgesellschaft Ag Procédé pour gazéifier du combustible solide
EP0119648A2 (fr) * 1983-03-22 1984-09-26 Metallgesellschaft Ag Procédé pour gazéifier des combustibles solides en lit mouvant et lit fluidisé
DE3913894A1 (de) * 1989-04-27 1990-10-31 Metallgesellschaft Ag Verfahren zum konvertieren von gasen aus der vergasung fester brennstoffe

Also Published As

Publication number Publication date
CN106065338A (zh) 2016-11-02
ZA201707325B (en) 2019-08-28
EP3085755A1 (fr) 2016-10-26
AU2016251332A1 (en) 2017-11-23
DE102015107490A1 (de) 2016-10-20
CN206219521U (zh) 2017-06-06

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