CN102639675A - Method for operating a coke oven arrangement - Google Patents

Method for operating a coke oven arrangement Download PDF

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Publication number
CN102639675A
CN102639675A CN2010800505839A CN201080050583A CN102639675A CN 102639675 A CN102639675 A CN 102639675A CN 2010800505839 A CN2010800505839 A CN 2010800505839A CN 201080050583 A CN201080050583 A CN 201080050583A CN 102639675 A CN102639675 A CN 102639675A
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CN
China
Prior art keywords
gas
produced
synthesis gas
coke
coking
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
CN2010800505839A
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Chinese (zh)
Inventor
J·门策尔
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.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
ThyssenKrupp Uhde 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 ThyssenKrupp Uhde GmbH filed Critical ThyssenKrupp Uhde GmbH
Publication of CN102639675A publication Critical patent/CN102639675A/en
Pending 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
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B21/00—Heating of coke ovens with combustible gases
    • C10B21/02—Heating of coke ovens with combustible gases with lean gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • C01B3/56—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/24—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B01D2257/108—Hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/042—Purification by adsorption on solids
    • C01B2203/043—Regenerative adsorption process in two or more beds, one for adsorption, the other for regeneration
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/048—Composition of the impurity the impurity being an organic compound
    • 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
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • 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
    • C10J2300/1618—Modification of synthesis gas composition, e.g. to meet some criteria
    • 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
    • C10J2300/164—Integration of gasification processes with another plant or parts within the plant with conversion of synthesis gas
    • C10J2300/1643—Conversion of synthesis gas to energy
    • C10J2300/165—Conversion of synthesis gas to energy integrated with a gas turbine or gas motor
    • 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
    • C10J2300/1671—Integration of gasification processes with another plant or parts within the plant with the production of electricity
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Industrial Gases (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The invention relates to a method for operating a coke oven arrangement, wherein the coke oven gas accumulated during the coking process is fed as a useful gas to a material recovery system. According to the invention, a synthetic gas is fed as a fuel gas for the preparation of at least one part of the thermal energy needed for the coking process, said synthetic gas being produced by means of a process for the gasification of a fossil fuel, preferably coal.

Description

The method of operation pit kiln system
Technical field
The present invention relates to a kind of method of moving the pit kiln system, wherein the coke-oven gas of association is used as valuable gases and supplies with the salvage material system in process of coking.
Background technology
The coke-oven gas of association is burnt usually and therefore only is utilized aspect the energy in process of coking in practice, although coke-oven gas contains a large amount of valuable components (hydrogen and methane).The main reservation reason of opposing such application is that coke-oven gas no longer can must provide through alternate manner with gas and the heat energy that lacks as heating.
By the known a kind of method of DE 34 244 24 A1, wherein the coke-oven gas of association is used as valuable gases and supplies with the salvage material system in process of coking.Simultaneously hydrogen is separated and be adjusted to appropriate H 2Next-CO ratio so that process the synthetic Sweet natural gas through methanation.Because coke-oven gas no longer can produce the process of coking necessary energy when flowing to the salvage material system,, suggestion burns so using blast furnace gas or methane to be used for giving birth to of oven battery as place of gas.When the close vicinity in coking exists steel mill or colliery and uses this place of gas when proving very economical, just consider application blast furnace gas or methane.Because these require almost to be difficult in practice satisfy, common as stated coke-oven gas only is used for heating purposes.
By known other the method for utilizing coke-oven gas of DE 35 15 250 A1 and DE 38 05 397 A1.Separate provision in these methods, the coke-oven gas that will have high hydrogen content mixes with the blast furnace gas with high carbon monoxide content.The prerequisite of these known methods is that provide with enough amounts must be at first by the blast furnace gas that cleans with expending.
Summary of the invention
Task of the present invention is that make when moving in the pit kiln system can be flexibly and the coke-oven gas that effectively utilizes association.
The solution of content of the present invention and above-mentioned task is a kind of method with operation pit kiln system of the said characteristic of beginning; It is characterized in that; To be used to provide at least a portion of process of coking necessary energy, produced by means of coal gasification course (promptly producing course of gas) by mineral fuel by this synthesis gas as combustion gas for application of syngas.Through using mineral fuel to produce synthesis gas, obtained being used to moving the extra high handiness of the method for pit kiln system.Although provide mineral fuel and enforcement coal gasification course to be associated with the additional investment and the cost of technology, yet have advantage generally economically through obtaining the useful materials composition that in coke-oven gas, comprises to produce synthesis gas.This particularly this situation promptly uses coal as mineral fuel, and it is used to other that to implement that the suitable mineral fuel of coal gasifying process, for example Sweet natural gas compare be the favourable and original enforcement process of coking that just had been provided for.Therefore can be independent of other production place such as colliery or the application of blast furnace ground according to the method for the invention.Yet when when there is blast-furnace equipment in close vicinity, also have such possibility, the other part of the synthesis gas that is about to be produced flows to blast furnace and is used for thermal utilization.
The suggestion according to the present invention; In process of coking in coke-oven gas the gaseous constituent of association such as hydrogen and/or methane is separated and use or change into the more product of high value as the finished product, wherein then for process of coking with maybe be also for blast furnace process the energy of shortage substitute through the synthesis gas of producing from mineral fuel by means of gasification.The crude synthesis gas body of being produced burns (Unterfeuerung) before to be used to provide a part for the required heat energy of process of coking and especially for giving birth to of oven battery being used as fuel gas supply, usually only must be by desulfurization.As no longer need handling synthesis gas troublesomely under the situation of combustion gas, this processing comprises in addition and removes carbonic acid gas at synthesis gas.
Can stipulate within the scope of the invention, the synthesis gas that will produce by mineral fuel as just combustion gas so that heat energy to be provided.According to a preferred design of the present invention, compared more synthesis gas according to the present invention by the needed amount of the coke-oven gas of salvage material yet produce with being used for substituting.Thereby can stipulate, the first part of the synthesis gas of preparation is used for further conversion and salvage material as combustion gas and other a part of synthesis gas that will prepare.
Be similar to by the known traditional process of coking of prior art, the coke-oven gas of association is removed foreign material for example tar, naphthalene, aromatic hydrocarbon (BTX composition), sulphur and ammonia at first in known manner in process of coking in the scope of method of the present invention.According to a preferred design of the present invention, be compressed with separating hydrogen gas and/or hydrocarbon polymer by the coke-oven gas that so cleans.For separating hydrogen gas can for example be carried out transformation absorption (PSA), wherein hydrogen on the pressure side obtaining with highly purified form at PSA equipment in a PSA (pressure swing adsorption) equipment.Transformation absorption can be implemented in vacuum PSA equipment (VPSA) in common PSA equipment or also.
Obtain to be rich in the gas of methane in the release side of PSA equipment, its in other preparation step with remaining gaseous constituent, particularly carbon monoxide, titanium oxide, nitrogen, acetylene and remaining Hydrogen Separation.The separation of the hydrogen of nitrogen, carbon monoxide and said remnants can for example realize through low-temperature distillation, wherein utilizes suitable method for example separated by means of ammonia purification and/or molecular sieve drying before carbonic acid gas and the water vapour.The hydrocarbon components that obtains as valuable gases can flow to natural gas grid and/or be preserved for further synthetic.
As described already, the gaseous constituent that is obtained by coke-oven gas can be used as the finished product use or changes into the more product of high value, wherein also can use the part of the synthesis gas of when the mineral fuel gasification, producing to be used for further synthesizing and transforming.Next set forth favourable application possibility.
Separated hydrogen can be used as hydrogenation usually and use hydrogen in adjacent chemical device (for example refining equipment).According to a preferred design code, the part of the synthesis gas of producing with the hydrogen that produces with through the mineral fuel gasification further transforms, and wherein the part of the carbon monoxide of hydrogen and synthesis gas changes into the product of high value.Thereby for example possible is: synthesizing methanol, and further make fuel through MTG (methyl alcohol is to gasoline) method, according to the fischer-tropsch process combined diesel oil, or synthetic ammonia.
When the synthesis gas (it comprises carbon monoxide basically) that utilizes the hydrogen obtained and obtain by mineral fuel to be used for when further synthetic; Obtain such advantage, promptly specific hydrogen/carbon monoxide ratio can be controlled in the wide scope through becoming a mandarin accordingly and freely select.
Particularly, can stipulate, the part of the synthesis gas that is produced carried out carbon monoxide change in order with regard to entire method, still further to improve hydrogen output.Can realize under the situation of adding water vapour that for this purpose carbon monoxide changes; Wherein after the synthesis gas desulfurization that transforms at least part remove carbonic acid gas, wherein next remaining air-flow is stood the waste gas that transformation absorption sloughs hydrogen with the quilt of separating hydrogen gas and while association and is used as the combustion gas that is used for process of coking.Usually be the part that the needed total body fuel gas of heat energy is provided by the waste gas of thermal utilization.
The synthesis gas that is obtained by mineral fuel can be further used for utilizing the combustion gas of combination and steam power plant (GUD-process) to generate electricity.
According to the present invention, provide by synthesis gas for the process of coking necessary energy as combustion gas, its coal gasification course by means of mineral fuel (preferably coal) obtains.For the other part of heat energy is provided, also can use residual gas and waste gas to be used for burning in each different follow-up method stage association.Particularly the waste gas of the preferred PSA equipment that is provided with comprises the combustiblecomponents of large portion usually, and it can be through burning by thermal utilization.Also can fuel, the for example Sweet natural gas of the high value with higher calorific value be sneaked in addition.Such mixing possibly need, so that be adjusted to the Wobbe index of expectation or the energy requirement that compensation is satisfied through other combustion gas not yet.

Claims (10)

1. method of moving the pit kiln system; Wherein the coke-oven gas of association is used as valuable gases and supplies with the salvage material system in process of coking; It is characterized in that; To be used to provide at least a portion of process of coking necessary energy, produced by means of coal gasification course by mineral fuel by said synthesis gas as combustion gas for application of syngas.
2. the method for claim 1 is characterized in that, uses coal as mineral fuel.
3. according to claim 1 or claim 2 method is characterized in that, before in by coke-oven gas, removing hydrogen and next from residual gas composition, separate hydrocarbon polymer, coke-oven gas is compressed and desulfurization.
4. like one of above-mentioned claim 1 to 3 described method, it is characterized in that, from coke-oven gas, isolate hydrogen, wherein next isolate hydrocarbon polymer by means of low-temperature distillation through transformation absorption.
5. like one of above-mentioned claim 1 to 4 described method; It is characterized in that; The first part of the synthesis gas of being produced is used as combustion gas, and the other part of the synthesis gas of being produced is used for further synthesizing with the hydrogen of separating from coke-oven gas.
6. as one of above-mentioned claim 1 to 5 described method, it is characterized in that, the first part of the synthesis gas of being produced as combustion gas, and is carried out carbon monoxide with the other part of the synthesis gas of being produced and transforms.
7. method as claimed in claim 6; It is characterized in that; Under the situation of adding water vapour, implementing said carbon monoxide transforms; Wherein after by the desulfurization of the synthesis gas that transformed at least part remove carbonic acid gas, next remaining gas stream is implemented the waste gas that transformation absorption sloughs hydrogen with the quilt of removing hydrogen and association simultaneously and uses the combustion gas that acts on process of coking.
8. as one of above-mentioned claim 1 to 7 described method, it is characterized in that, the first part of the synthesis gas of being produced is used for generating electricity in combustion gas and steam power plant as combustion gas and with the other part of the synthesis gas of being produced.
9. like one of above-mentioned claim 1 to 8 described method, it is characterized in that,, except synthesis gas, also import other heating and use gas for the process of coking necessary energy is provided.
10. as one of above-mentioned claim 1 to 9 described method, it is characterized in that, the other part of the synthesis gas of being produced is flowed to blast furnace to carry out thermal utilization.
CN2010800505839A 2009-09-22 2010-08-18 Method for operating a coke oven arrangement Pending CN102639675A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009042520.9 2009-09-22
DE102009042520A DE102009042520A1 (en) 2009-09-22 2009-09-22 Method for operating a coke oven arrangement
PCT/EP2010/062024 WO2011035993A1 (en) 2009-09-22 2010-08-18 Method for operating a coke oven arrangement

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CN102639675A true CN102639675A (en) 2012-08-15

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US (1) US20120217148A1 (en)
EP (1) EP2480631A1 (en)
JP (1) JP2013505342A (en)
KR (1) KR20120074294A (en)
CN (1) CN102639675A (en)
AU (1) AU2010297521A1 (en)
CA (1) CA2774898A1 (en)
DE (1) DE102009042520A1 (en)
IN (1) IN2012DN03166A (en)
RU (1) RU2533149C2 (en)
TW (1) TW201118161A (en)
WO (1) WO2011035993A1 (en)

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WO2011097548A1 (en) * 2010-02-05 2011-08-11 The Texas A&M University System Devices and methods for a pyrolysis and gasification system for biomass feedstock

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CA2774898A1 (en) 2011-03-31
AU2010297521A1 (en) 2012-05-03
WO2011035993A1 (en) 2011-03-31
RU2012116149A (en) 2013-10-27
KR20120074294A (en) 2012-07-05
US20120217148A1 (en) 2012-08-30
IN2012DN03166A (en) 2015-09-18
TW201118161A (en) 2011-06-01
DE102009042520A1 (en) 2011-03-24
EP2480631A1 (en) 2012-08-01
JP2013505342A (en) 2013-02-14
RU2533149C2 (en) 2014-11-20

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Application publication date: 20120815