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WO2015062706A1 - Dispositif d'introduction d'une matière de départ organique solide dans une installation de gazéification - Google Patents

Dispositif d'introduction d'une matière de départ organique solide dans une installation de gazéification Download PDF

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Publication number
WO2015062706A1
WO2015062706A1 PCT/EP2014/002801 EP2014002801W WO2015062706A1 WO 2015062706 A1 WO2015062706 A1 WO 2015062706A1 EP 2014002801 W EP2014002801 W EP 2014002801W WO 2015062706 A1 WO2015062706 A1 WO 2015062706A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
feedstock
gasification plant
gasification
conveyor
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/EP2014/002801
Other languages
German (de)
English (en)
Inventor
Thomas Heidrich
Gerald GAUBE
Jörg KLEEBERG
Robert Kittelmann
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.)
Linde GmbH
Original Assignee
Linde 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 Linde GmbH filed Critical Linde GmbH
Publication of WO2015062706A1 publication Critical patent/WO2015062706A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • C10J3/58—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels combined with pre-distillation of the fuel
    • C10J3/60—Processes
    • C10J3/64—Processes with decomposition of the distillation products
    • C10J3/66—Processes with decomposition of the distillation products by introducing them into the gasification zone
    • 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
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C10J3/50—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
    • C10J2200/00—Details of gasification apparatus
    • C10J2200/15—Details of feeding means
    • C10J2200/156—Sluices, e.g. mechanical sluices for preventing escape of gas through the feed inlet
    • 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
    • C10J2200/158—Screws
    • 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
    • C10J2300/1807—Recycle loops, e.g. gas, solids, heating medium, water
    • C10J2300/1815—Recycle loops, e.g. gas, solids, heating medium, water for 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
    • C10J2300/18—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

Definitions

  • the invention relates to a device for introducing solid organic feedstock into a gasification plant.
  • organic feedstock also referred to as gasification process for short, are known.
  • biomass is used as the feedstock.
  • biomass For example, used and residual wood or so-called energy wood, but also agricultural residues such as straw or chaff can be used.
  • synthetic biofuel can be obtained in its
  • GTL gas-to-liquids
  • CTL coal-to-liquid
  • Methods and systems for the at least partial gasification of solid, organic feedstock are also, for example, EP 0 745 114 B1, DE 41 39 512 A1 and
  • the present application in this case relates to such methods or systems that a low-temperature carburetor and a
  • Solid organic feedstock such as biomass
  • a gasification agent at temperatures between 400 ° C and 500 ° C to coke (in the case of biomass, then so-called biococ) and carbonization reacted.
  • This reaction is referred to in the context of this application as “smoldering” or as “pyrolysis”. Smoldering is known to be characterized by substöchiometnsches oxygen supply and thus incomplete combustion at relatively low temperature.
  • the carbonization gas is then transferred to a combustion chamber of the
  • High-temperature gasifier and transferred there with an oxygen-containing gas for example with more or less pure oxygen, but also with air and / or oxygen-containing exhaust gases, e.g. from gas turbines or internal combustion engines, partially oxidized.
  • an oxygen-containing gas for example with more or less pure oxygen, but also with air and / or oxygen-containing exhaust gases, e.g. from gas turbines or internal combustion engines, partially oxidized.
  • air and / or oxygen-containing exhaust gases e.g. from gas turbines or internal combustion engines
  • the partially oxidized carbonization gas is brought into contact with coke from the low-temperature gasifier, for example in a quench unit integrated in the high-temperature gasifier or in a quench unit connected downstream of it.
  • the coke is ground in advance and then blown into the quench unit.
  • endothermic reactions between the coke and the partially oxidized carbonization gas this is cooled to about 900 ° C in fractions of a second. This in turn causes at least partial conversion of the carbon dioxide to carbon monoxide and the
  • the starting materials for example
  • the object of the invention is therefore the effective, reliable provision of
  • Feedstock in particular wood chips, for a gasification plant.
  • the device according to the invention is characterized in that pre-heated feedstock, in particular wood chips, is introduced into the gasifier, in particular a low-temperature gasifier of a gasification plant. This ensures that a very effective implementation of the gasifier, in particular a low-temperature gasifier of a gasification plant.
  • Feedstock to coke in low temperature carburetor can be performed. By promoting in an inert atmosphere can be avoided that
  • the device expediently has a separating device for separating the conveying gas from the heated feedstock prior to introduction of the
  • first lock and / or the second lock is or are designed as a rotary valve. With such rotary valves is
  • the apparatus advantageously comprises a sifter apparatus for separating different feed fractions (with particles of different sizes). This can ensure that z. B. only a fraction with particles of a certain maximum size is introduced into the carburetor.
  • the conveyor of the device according to the invention advantageously has a conveyor gas compressor and / or a conveyor gas heater. This makes it possible to increase or adjust the pressure and / or the temperature of the conveying gas, with which the starting materials to be heated are applied, if necessary.
  • this can provide a pressure for the delivery gas which is higher than the pressure prevailing in the gasifier. This can effectively prevent hot gas from flowing back into the conveyor or other upstream systems from the gasifier.
  • the device according to the invention has a screw heat exchanger upstream of the first lock.
  • a screw heat exchanger can also be supplied with waste heat from the gasification plant to be transported through the screw heat exchanger
  • the device according to the invention is characterized in particular by the fact that in a structurally simple manner it is able to introduce feedstock into a number of gasification plants and / or a number of carburetors of a gasification plant.
  • Figure 1 shows a schematic representation of a preferred embodiment of the device according to the invention.
  • FIG. 1 shows a preferred embodiment of a device according to the invention is shown and designated 100 in total.
  • the device 100 is used for introducing solid, organic feedstock into a gasification plant 200.
  • the gasification plant 200 has a
  • Low temperature carburetor 201 in which the feedstock is introduced.
  • the feedstock is converted to coke and carbonization gas by partial combustion with a gasifying agent at temperatures between 400 ° C and 500 ° C.
  • the low-temperature gasifier 201 is followed by a high-temperature gasifier 202.
  • the carbonization gas is transferred from the low-temperature gasifier 201 into a combustion chamber of the high-temperature gasifier 202, where it is partially oxidized with an oxygen-containing gas. By this oxidation released heat takes place
  • Carburetor 203 is the partially oxidized carbonization with coke from the
  • Low temperature carburetor 201 contacted. By endothermic reactions between the coke and the partially oxidized carbonization gas this is cooled to about 900 ° C. In another downstream stage, for example one
  • Gas cooling and / or Entstaubungsein rect 21 1 is carried out a further cooling of the carbonization gas or synthesis gas thus obtained.
  • the synthesis gas can subsequently be purified in a gas purification unit or gas conditioning unit 221.
  • a gas purification plant is a Rectisol is called, in which the synthesis gas is liberated from substances not required for the synthesis.
  • Purified synthesis gas can then be supplied to further devices via a line 231, for example a device for
  • the device for introducing feed into the gasification plant 200 has a screw heat exchanger 160, via the starting materials, ie
  • solid biomass in particular, such as wood chips can be introduced under heating into a feeding hopper 165 (shown by arrow).
  • the feeds typically have as they enter the screw heat exchanger 160
  • the heating takes place in the screw heat exchanger 160 by means of heat exchange, for example, with waste heat from the gasification plant 200 z.
  • economizer gas cooling device 21 1 generated steam or hot water
  • Screw heat exchanger 160 resulting condensate can be returned via a line 213 back into the gas cooling device 21 1.
  • Screw heat exchanger 160 leaving feed preferably has a temperature in the range of 90 ° C to 130 ° C.
  • the feed hopper 165 may be formed with a leakage gas discharge 168 via which leakage gases can be withdrawn by means of a blower 169.
  • the screw heat exchanger 160 operates under ambient pressure conditions.
  • the feed hopper 165 operates under a slight vacuum.
  • a first formed as a rotary valve sluice 1 10 is provided, via which feedstocks in a (symbolically represented) pressure chamber 1 15 a conveyor 120 are introduced. In the pressure chamber 1 15 prevail up to 20 bar overpressure.
  • the feeds are divided into two fractions having different particle sizes, a first fraction (where the particle size does not exceed a maximum size or mass) by means of a first fraction Delivery gas is conveyed to a cyclone 140.
  • conveying gas is according to the present invention in the conditioning device 221 of the
  • This carbon dioxide is removed via a line 222 from the
  • the conveyed by means of the conveying gas fraction of the starting materials is a
  • Line 124 is fed to a cyclone 140 in which a separation of the feedstock from the carbon dioxide takes place. This carbon dioxide is transported via a line 122 in the line 121, so that a total of a delivery gas cycle is provided.
  • the further fraction of feedstock isolated in the sifter 150 is collected (with the interposition of a ball valve 171) in a container 170 and, optionally after reduction and removal of contaminants such as e.g. Stones, the screw heat exchanger 160 fed again. This additional fraction can also be removed from the system here.
  • the carbon dioxide used as a carrier gas can in particular in a
  • Gas scrubbing which is a syngas stream generated in the gasification plant
  • the promotion takes place, as mentioned, for. B. at about 0-20 bar pressure and a delivery temperature of about 100-300 ° C instead.
  • the device according to the invention is also the loading of a number of Niedertemperaturvergasern 201 by appropriate switching of the delivery paths possible.
  • a plurality of parallel-connected cyclones 140 are used to implement such a feed of a plurality of low-temperature gasifier 201.
  • the device according to the invention is characterized by a high reliability, since compared to conventional solutions, the number of moving parts is reduced by using a delivery by means of pressurized conveying gas.
  • the invention allows a simple implementation of redundancy concepts by the
  • carbon dioxide is an inert gas
  • the safety of conveying feedstock to a gasification plant can be improved over conventional solutions.
  • An incineration of wood chips, especially within the conveyor, can be effectively avoided.
  • the promotion used according to the invention by means of pressurized conveying gas allows lower Gasgeschwindingkeiten compared to conventional pressureless delivery systems.
  • a positive differential pressure from the conveyor system to the gasification plant is expediently used as a backup against backflow of hot gas from the gasification plant in upstream systems.
  • the preheating of the feedstock for pyrolysis e.g. The woodchip takes place according to the invention in two steps, namely first in one

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

La présente invention concerne un dispositif d'introduction d'une matière de départ organique solide dans une installation de gazéification, comprenant : - un premier sas (110) servant à introduire la matière de départ organique dans une chambre de pression (115) d'un dispositif de transport, le dispositif de transport (120) étant conçu pour soumettre la matière de départ à un gaz de transport qui a une température supérieure à celle de la matière de départ introduite dans la chambre de pression (115), et - un deuxième sas (130) servant faire passer la matière de départ, chauffée par le gaz de transport, dans une installation de gazéification.
PCT/EP2014/002801 2013-10-31 2014-10-16 Dispositif d'introduction d'une matière de départ organique solide dans une installation de gazéification Ceased WO2015062706A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013018332.4 2013-10-31
DE201310018332 DE102013018332A1 (de) 2013-10-31 2013-10-31 Vorrichtung zur Einbringung von festem organischen Einsatzmaterial in eine Vergasungsanlage

Publications (1)

Publication Number Publication Date
WO2015062706A1 true WO2015062706A1 (fr) 2015-05-07

Family

ID=51752083

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/002801 Ceased WO2015062706A1 (fr) 2013-10-31 2014-10-16 Dispositif d'introduction d'une matière de départ organique solide dans une installation de gazéification

Country Status (2)

Country Link
DE (1) DE102013018332A1 (fr)
WO (1) WO2015062706A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0333991A1 (fr) * 1988-03-24 1989-09-27 Krupp Koppers GmbH Procédé pour transporter un combustible finement granulé jusqu'à pulvérulent dans un réacteur de gazéification sous pression élevée
DE102005041931A1 (de) * 2005-09-03 2007-03-08 Future Energy Gmbh Vergasungsverfahren und Vorrichtung zur Erzeugung von Synthesegasen durch Partialoxidation von aschehaltigen Brennstoffen unter erhöhtem Druck mit Teilquenchung des Rohgases und Abhitzegewinnung
DE102007020333A1 (de) * 2007-04-30 2008-11-06 Siemens Ag Einsatz von reinem Kohlendioxid als Inertisierungs- und Fördermedium in Staubeintragsystemen für die Kohlenstaubdruckvergasung
WO2010086008A2 (fr) * 2009-01-28 2010-08-05 Uhde Gmbh Procédé pour alimenter un réacteur de gazéification à lit entraîné en combustible prélevé dans un réservoir
DE102009036973A1 (de) * 2009-08-12 2011-02-17 Uhde Gmbh Verfahren zur Versorgung eines Flugstromvergasungsreaktors mit kohlenstoffhaltigen Brennstoffen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4139512A1 (de) 1991-11-29 1993-06-03 Noell Dbi Energie Entsorgung Verfahren zur thermischen verwertung von abfallstoffen
DE4209549A1 (de) 1992-03-24 1993-09-30 Vaw Ver Aluminium Werke Ag Verfahren zur thermischen Behandlung von Reststoffen, z.B. zur Trennung und Verwertung von Metallverbunden mit organischen Anteilen, mittels einer Kombination aus Pyrolyse und Vergasung
DE4404673C2 (de) 1994-02-15 1995-11-23 Entec Recycling Und Industriea Verfahren zur Erzeugung von Brenngas

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0333991A1 (fr) * 1988-03-24 1989-09-27 Krupp Koppers GmbH Procédé pour transporter un combustible finement granulé jusqu'à pulvérulent dans un réacteur de gazéification sous pression élevée
DE102005041931A1 (de) * 2005-09-03 2007-03-08 Future Energy Gmbh Vergasungsverfahren und Vorrichtung zur Erzeugung von Synthesegasen durch Partialoxidation von aschehaltigen Brennstoffen unter erhöhtem Druck mit Teilquenchung des Rohgases und Abhitzegewinnung
DE102007020333A1 (de) * 2007-04-30 2008-11-06 Siemens Ag Einsatz von reinem Kohlendioxid als Inertisierungs- und Fördermedium in Staubeintragsystemen für die Kohlenstaubdruckvergasung
WO2010086008A2 (fr) * 2009-01-28 2010-08-05 Uhde Gmbh Procédé pour alimenter un réacteur de gazéification à lit entraîné en combustible prélevé dans un réservoir
DE102009036973A1 (de) * 2009-08-12 2011-02-17 Uhde Gmbh Verfahren zur Versorgung eines Flugstromvergasungsreaktors mit kohlenstoffhaltigen Brennstoffen

Also Published As

Publication number Publication date
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