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WO2012095328A2 - Procédé de traitement d'un gaz de combustion contenant du dioxyde de carbone - Google Patents

Procédé de traitement d'un gaz de combustion contenant du dioxyde de carbone Download PDF

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Publication number
WO2012095328A2
WO2012095328A2 PCT/EP2012/050015 EP2012050015W WO2012095328A2 WO 2012095328 A2 WO2012095328 A2 WO 2012095328A2 EP 2012050015 W EP2012050015 W EP 2012050015W WO 2012095328 A2 WO2012095328 A2 WO 2012095328A2
Authority
WO
WIPO (PCT)
Prior art keywords
gas
exhaust gas
carbon dioxide
hydrocarbon
converter
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/EP2012/050015
Other languages
German (de)
English (en)
Other versions
WO2012095328A3 (fr
Inventor
Manfred Baldauf
Thomas Matschullat
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to RU2013137756/03A priority Critical patent/RU2569105C2/ru
Priority to BR112013017844A priority patent/BR112013017844A2/pt
Priority to KR1020137018370A priority patent/KR20140020846A/ko
Priority to CN201280005150.0A priority patent/CN103547863A/zh
Priority to EP12700252.5A priority patent/EP2659185A2/fr
Priority to US13/979,609 priority patent/US20140013665A1/en
Publication of WO2012095328A2 publication Critical patent/WO2012095328A2/fr
Anticipated expiration legal-status Critical
Publication of WO2012095328A3 publication Critical patent/WO2012095328A3/fr
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
    • C10J1/00—Production of fuel gases by carburetting air or other gases without pyrolysis
    • C10J1/20—Carburetting gases other than air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
    • F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/08—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases using flares, e.g. in stacks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00—Waste heat recuperation
    • F23G2206/20—Waste heat recuperation using the heat in association with another installation
    • F23G2206/203—Waste heat recuperation using the heat in association with another installation with a power/heat generating installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/60—Additives supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00—Intercepting solids
    • F23J2217/10—Intercepting solids by filters
    • F23J2217/102—Intercepting solids by filters electrostatic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/12—Heat utilisation in combustion or incineration of waste
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/32—Direct CO2 mitigation

Definitions

  • the invention relates to a process for the treatment of a carbon dioxide-containing exhaust gas according to claim 1.
  • the resulting exhaust gas particularly in converters contains many process sections a large amount of carbon dioxide (CO 2) ⁇ promotes This carbon dioxide when it ge into the environment ⁇ reached, the so-called greenhouse effect.
  • the object of the invention is therefore to provide a method for the treatment of a carbon dioxide-containing exhaust gas, by which the proportion of carbon dioxide entering the free atmosphere is reduced.
  • the solution of the problem consists in a method with the features of claim 1.
  • a hydrocarbon-containing gas is supplied to the exhaust gas.
  • This hydrocarbon-containing gas reacts with the carbon dioxide of the exhaust gas in a reaction ⁇ at least partially to the reaction products Kohlenmo- noxid (CO) and hydrogen (H 2 ).
  • the exhaust gas that causes the coal contains n-oxide-hydrogen mixture in a suitable concentration is used in a further combustion process. In this case, it may be temporarily stored beforehand. This further combustion process may, but need not necessarily be part of the process in which the stated ⁇ be acted incurred.
  • the carbon monoxide-hydrogen mixture (hereinafter referred to simply as fuel gas) in a preferred embodiment ⁇ form a higher calorific value than the introduced hydrocarbon-containing gas (hereinafter called reforming).
  • reforming the introduced hydrocarbon-containing gas
  • methane in particular in the form of natural gas
  • hydrocarbon-containing reforming gas it has proven to be expedient to use methane, in particular in the form of natural gas, for the hydrocarbon-containing reforming gas.
  • methane in particular in the form of natural gas
  • hydrocarbon-containing reforming gas sets a strong for the return ⁇ recovery of carbon dioxide endothermic reaction leading to the formation of carbon monoxide and hydrogen.
  • the inventive method is used in steel production, as occurs in steelmaking often highly gas containing carbon dioxide with high tempera ⁇ ren.
  • the exhaust gas of a converter in the steelmaking is suitable to be treated by the method according to the invention.
  • a converter in the production of steel is used to reduce the carbon content in ge ⁇ schmolzenem iron.
  • the exhaust gases may also be added with water, preferably in a vaporous form. By adding additional water, the ratio of carbon monoxide to hydrogen is changed, which is useful in various applications as fuel gas.
  • the carbon content of the exhaust gas is not constant at any point in the process, it is useful to control the exhaust gas.
  • a gas sensor of the carbon dioxide content of the exhaust may be monitored over ⁇ and the insertion of the reformate gas are entspre ⁇ accordingly controlled.
  • the fuel gas can be stored further in a (preferred) already existing gas container.
  • the fuel gas may also be applied in various other processes, especially in the steel industry. It can ⁇ example, be used to generate electricity in a power plant or process steam (optionally in combination with a power generation).
  • the fuel gas for slab, billet and Vorblockvorierrmung be used in Hubherdöfen or pusher or in burners. This applies, for example, for pan drying and heating, for heating stations or for distributors in continuous casting plants.
  • FIG. 1 shows a schematic representation of the individual method steps in the treatment of exhaust gases from a converter
  • FIG. 1 shows the original treatment of an exhaust gas in the
  • FIG 3 is a block diagram of the process of Figure 2 with additional Abgasreformmaschine.
  • the converter 4 serves a molten iron from excess carbon to Exempt ⁇ s.
  • oxygen is passed into the iron, and the carbon is in the molten iron, oxidized to Koh ⁇ dioxide.
  • an exhaust gas 2 of the converter 4 contains a considerable proportion of carbon dioxide.
  • the carbon dioxide content of the converter exhaust gas depends on its operating parameters. Depending on the oxygen supply and operating temperature, the proportion of carbon dioxide in relation to carbon monoxide in the exhaust gas 2 fluctuates.
  • the exhaust gas 2 flows into an exhaust gas duct and is there checked by a probe 3 for its carbon dioxide content. If the carbon dioxide portion is above a preset threshold value, then reforming gas 5 is conducted into the exhaust gas channel 11 via a reforming gas feed 6.
  • the reformate gas 6, for example, earth ⁇ gas can be used with a high methane content, rea ⁇ yaws with the carbon dioxide of the exhaust gas at least partly according to the following reaction equation (dry reforming 7, see. Fig. 3).
  • the calorific value of a mixture of 2 moles of carbon monoxide and 2 moles of H 2 is higher than the calorific value of a mole of CH 4 (methane) from which the fuel gas 7 is produced by the abovementioned reaction enthalpy of 250 kJ / mol.
  • the increase in calorific value thus amounts to 28% of the introduced calorific value of methane (250 kJ / mol: 888 kJ / mol).
  • H 2 0 + CO -> C0 2 + H 2 ⁇ H-42 kJ / mol the ratio of H 2 to CO is changed.
  • the dry reforming can also be used to further increase the calorific value of CO rich gas, which is already collected in the prior art, if this fuel-rich gas is to be mixed with lean gases from other steelworks parts and the mixture for more combustion processes does not have the energy value the sufficient ⁇ .
  • an actuating ring 13 is advantageous to the on ⁇ sucking of false air to avoid that would result in the combustion of methane or natural gas, so the reforming 7, rather than to carry out the reforming according to Equation 1 described above.
  • the high nitrogen content of the air would lead to dilution of the converter gas and the fuel gas.
  • the exhaust gas is cooled in a steam ⁇ boiler 8, where steam is generated there, which in turn ⁇ can be used for power generation.
  • a coarse dedusting 10 of the exhaust gas 2 which is further ⁇ passed into an evaporative cooler 12.
  • This evaporative cooler 12 is necessary because for a following Tro Ckenelektrofilterung 14, in which the residual particulate matter is removed from the exhaust gas 2, the exhaust gas must not be hotter than 180 ° C.
  • the exhaust gas 2 is either flared off via a flare chimney 18 via a blower 10 or, after further cooling in a gas cooler 20, is fed to a gas container 22.
  • the described reforming of the exhaust gas 2 with the Re ⁇ forming gas methane leads to a suitable control of reforming, for example via a sensor 3 to the fact that the proportion of CO-H 2 mixture in the exhaust gas after filtering is so high that the majority of the Exhaust gas or the carbon monoxide and the hydrogen stored in the gas container 22 who ⁇ can and can be used again as a fuel gas 9.
  • the flaring of the exhaust gas in the torch tower 18 is reduced to a very small proportion by this measure compared to the prior art.
  • the method described here differs according to Fi ⁇ gur 3 from the method according to Figure 2 according to the prior art, characterized in that between the converter 4 and the steam generator 8, a reforming process 7 takes the form of a dry reforming, via a Reformiergaszu operation 6 reforming 5 the process is supplied and as described in equation 1, the exhaust gas 2 is treated.
  • the two methods are different in addition to this loading signed insertion of the dry reforming 7 further characterized in that the amount of heat Q2 is removed from the evaporative cooler 12, is smaller than the quantity of heat Q of the evaporation ⁇ evaporation cooler 12 of Figure 2 and that the amount m2 of the gas 2 flared at the torch tower 18 is smaller than the amount ml flared at the torch tower 18 'according to the prior art.
  • the production phases in which post-combustion in the flare 18 is carried out according to the prior art can be reduced or shortened.
  • the energy content of the combustible components of the exhaust gas is used together with the combustible gas formed under SpeI ⁇ assurance of waste heat in advantageous manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Treating Waste Gases (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

L'invention concerne un procédé de traitement d'un gaz de combustion contenant du dioxyde de carbone (2), comprenant l'apport d'un gaz hydrocarboné (5) dans les gaz de combustion et la conversion au moins partielle du gaz de combustion en monoxyde de carbone et hydrogène au cours d'une réaction avec l'hydrocarbure, et l'utilisation du gaz de combustion contenant le mélange monoxyde de carbone-hydrogène (9) pour un autre processus de combustion.
PCT/EP2012/050015 2011-01-13 2012-01-02 Procédé de traitement d'un gaz de combustion contenant du dioxyde de carbone Ceased WO2012095328A2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
RU2013137756/03A RU2569105C2 (ru) 2011-01-13 2012-01-02 Способ обработки отходящего газа, содержащего диоксид углерода
BR112013017844A BR112013017844A2 (pt) 2011-01-13 2012-01-02 método para tratar um gás residual que contém dióxido de carbono
KR1020137018370A KR20140020846A (ko) 2011-01-13 2012-01-02 이산화탄소를 포함하는 배기가스의 처리 방법
CN201280005150.0A CN103547863A (zh) 2011-01-13 2012-01-02 用于处理含二氧化碳的废气的方法
EP12700252.5A EP2659185A2 (fr) 2011-01-13 2012-01-02 Procédé de traitement d'un gaz de combustion contenant du dioxyde de carbone
US13/979,609 US20140013665A1 (en) 2011-01-13 2012-01-02 Method for treating carbon dioxide-containing waste gas

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011002612A DE102011002612A1 (de) 2011-01-13 2011-01-13 Verfahren zur Behandlung eines kohlendioxidhaltigen Abgases
DE102011002612.6 2011-01-13

Publications (2)

Publication Number Publication Date
WO2012095328A2 true WO2012095328A2 (fr) 2012-07-19
WO2012095328A3 WO2012095328A3 (fr) 2013-11-21

Family

ID=45478312

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/050015 Ceased WO2012095328A2 (fr) 2011-01-13 2012-01-02 Procédé de traitement d'un gaz de combustion contenant du dioxyde de carbone

Country Status (8)

Country Link
US (1) US20140013665A1 (fr)
EP (1) EP2659185A2 (fr)
KR (1) KR20140020846A (fr)
CN (1) CN103547863A (fr)
BR (1) BR112013017844A2 (fr)
DE (1) DE102011002612A1 (fr)
RU (1) RU2569105C2 (fr)
WO (1) WO2012095328A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018219105A1 (de) * 2018-11-08 2020-05-14 Dürr Systems Ag Verfahren zur Reinigung eines Rohgasstroms und Reinigungsvorrichtung
CN114196797A (zh) * 2021-11-24 2022-03-18 中冶南方工程技术有限公司 一种转炉烟气二氧化碳回收系统及工艺
JP2023166946A (ja) * 2022-05-10 2023-11-22 功 坂上 メタン収集処理システム

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US4175779A (en) * 1978-01-18 1979-11-27 Foster Wheeler Energy Corporation Stress control collar
JPH0211715A (ja) * 1988-06-30 1990-01-16 Kawasaki Steel Corp 転炉排ガスの回収方法および装置
ATE214967T1 (de) * 1995-06-06 2002-04-15 Bp Corp North America Inc Katalytisches abgasbehandlungssystem zur bekämpfung von fluchtigen chemischen emissionen
JP3926917B2 (ja) * 1998-03-17 2007-06-06 株式会社東芝 燃焼システム
DE10012051A1 (de) * 2000-03-14 2001-09-20 Rudolf Jeschar Verfahren zur Wärmerückgewinnung bei Hochtemperaturprozessen durch Brenngaserzeugung aus Kohlenwasserstoffen und einem Teilstrom heißer Verbrennungsabgase
EP1803922A4 (fr) * 2004-07-28 2010-10-06 Nissan Motor Systeme d'alimentation en combustible
JP2007147161A (ja) * 2005-11-28 2007-06-14 Electric Power Dev Co Ltd 燃焼装置の排ガス処分方法及び装置
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AU2009247197B8 (en) * 2008-05-16 2012-03-15 Jfe Steel Corporation Method for reforming exhaust gas generated from metallurgical furnace and apparatus therefor
JP5476792B2 (ja) * 2008-05-16 2014-04-23 Ｊｆｅスチール株式会社 冶金炉発生排ガスの改質方法、改質装置および改質ガスの製造方法
JP2010223573A (ja) * 2009-02-27 2010-10-07 Jfe Steel Corp 冶金炉発生排ガスの冷却方法およびその装置
DE102009030521A1 (de) * 2009-06-25 2010-12-30 Siemens Aktiengesellschaft Verfahren zur Nutzung von Abwärme eines industriellen Prozesses, sowie Vorrichtung und deren Verwendung

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Also Published As

Publication number Publication date
DE102011002612A1 (de) 2012-07-19
US20140013665A1 (en) 2014-01-16
CN103547863A (zh) 2014-01-29
BR112013017844A2 (pt) 2019-09-24
WO2012095328A3 (fr) 2013-11-21
RU2569105C2 (ru) 2015-11-20
RU2013137756A (ru) 2015-02-27
KR20140020846A (ko) 2014-02-19
EP2659185A2 (fr) 2013-11-06

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