EP2032673B1 - Bodenkonstruktion für horizontale koksöfen - Google Patents

Bodenkonstruktion für horizontale koksöfen Download PDF

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Publication number
EP2032673B1
EP2032673B1 EP07725552A EP07725552A EP2032673B1 EP 2032673 B1 EP2032673 B1 EP 2032673B1 EP 07725552 A EP07725552 A EP 07725552A EP 07725552 A EP07725552 A EP 07725552A EP 2032673 B1 EP2032673 B1 EP 2032673B1
Authority
EP
European Patent Office
Prior art keywords
layer
coke oven
gaps
horizontal
flue gas
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.)
Not-in-force
Application number
EP07725552A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2032673A1 (de
Inventor
Werner Hippe
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
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
Priority claimed from DE200610026521 external-priority patent/DE102006026521A1/de
Application filed by Uhde GmbH filed Critical Uhde GmbH
Priority to PL07725552T priority Critical patent/PL2032673T3/pl
Publication of EP2032673A1 publication Critical patent/EP2032673A1/de
Application granted granted Critical
Publication of EP2032673B1 publication Critical patent/EP2032673B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C10B29/00—Other details of coke ovens
    • 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
    • C10B29/00—Other details of coke ovens
    • C10B29/02—Brickwork, e.g. casings, linings, walls
    • 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
    • C10B15/00—Other coke ovens
    • C10B15/02—Other coke ovens with floor heating
    • 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
    • C10B5/00—Coke ovens with horizontal chambers
    • 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
    • C10B5/00—Coke ovens with horizontal chambers
    • C10B5/06—Coke ovens with horizontal chambers with horizontal heating flues
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/0043—Floors, hearths

Definitions

  • the invention relates to a coke oven in a horizontal design, a so-called non-recovery or heat-recovery coke oven, wherein the coke oven bottom is composed of at least two layers and the layers are formed of the same or different refractory materials.
  • the first layer seen from the furnace chamber is formed of a solid material and the second layer has a plurality of openings, gaps, gaps or the like, wherein the gas spaces of these openings, gaps, gaps or the like are connected to the gas space of the underlying flue gas channel ,
  • the invention relates to a floor segment comprising at least these two layers and a method in which one or more of said coke ovens are used.
  • the heating of heat-recovery coking ovens is usually carried out by combustion of the resulting gas during coking.
  • the combustion is controlled so that a portion of the gas burns above the coal charge with primary air in the furnace chamber.
  • This partially combusted gas is fed via channels, which are also referred to as "downcomer", the heating cables of the sole of the furnace chamber and completely burned here by adding further combustion air, the secondary air.
  • the coal charge heat is supplied directly from above and indirectly from below, which has an advantageous effect on the coking rate and thus on the performance of the furnaces.
  • the invention therefore achieves the object by means of a horizontal coke oven comprising a coke oven chamber, a coke oven bottom and a plurality of horizontally extending flue gas ducts arranged below the coke oven bottom in the region of the furnace brine.
  • the coke oven bottom located between the coke oven chamber and the flue gas channel is at least in the vertical direction built two layers and supported on the walls of the flue gas ducts. Each of these layers is formed of the same or different refractory materials, such as silica, chamotte, etc.
  • the coke oven according to the invention is characterized in that the first layer seen from the furnace chamber is formed of a solid material, and the second layer has a multiplicity of openings, gaps, gaps, small channels or the like, the gas spaces of these openings, gaps, Gaps, channels or the like are connected to the gas space of the underlying flue gas duct.
  • the second layer has a vault-like curved shape and the first layer has at least one flat top on which lies in the normal operation of the coke cake or the coal or coke charge during the cooking time.
  • the coke oven can be further improved to the effect that between the first and second layer at least one further layer or transition elements are arranged.
  • the convective parts of the heat transport are subordinate to the radiation-related portion of the heat transport, so that no gas must flow in the openings, channels, etc.
  • the statics of the furnace is only minimally affected, but the strength of the supporting coke oven bottom can be reduced by up to 40%.
  • a positive accompanying effect arises from the fact that the increased surface roughness of the smoke channel ceiling leads to a local reduction of the flow velocity, whereby per unit of time also an increase in the transmittable heat quantity takes place.
  • the second layer is formed from shaped bricks made of solid material and arranged such that openings, gaps, gaps or the like are formed between adjacent shaped bricks or the wall.
  • the second layer is formed from shaped bricks, each individual shaped brick having at least one opening, gap, gap, channel or the like, and ideally each individual shaped brick has a plurality of openings, gaps, gaps, channels or the like.
  • the two abovementioned possibilities for producing gaps or shaped blocks with channels can be combined with full-bodied molded blocks.
  • the open cross-section of the openings, gaps, gaps or channels in the underlayer may be different. Different cross-sections of the openings allow an optimization of the gas flow and the heat flow. Thus, in particular, it may happen that the open cross section of said devices in the region of the doors and the furnace walls is increased in order to allow a uniform distribution of the heat flow in the entire region of the gas delivery channel.
  • their cross sections can be calibrated. Thereby, depending on the embodiment of the invention, the cooking process of the coke over the entire length of the furnace can be made uniform. In addition, heating defects can be compensated with this type of opening design.
  • a further improvement of the heat transfer can be achieved if at least one further layer is arranged between the first and second layer, wherein the molded block forming the first layer itself comprises a cover layer and a lower layer, wherein the cover layer is formed of solid material and the lower layer a plurality of openings, gaps, gaps, channels or the like and forms this additional intermediate layer
  • the intermediate layer or transition stones which are provided to compensate for different contours of the layers, consists of molded blocks, which have at least one opening, a gap, gap, channel or the like.
  • these bottom segments are shaped so that they have a concave curvature on the underside.
  • the underlayer of these floor segments can also form the ceiling of the flue gas duct in the embodiment of the method according to the invention.
  • the coke cake or the coke bed are on the top layer of Koksofenteils.
  • the cover layer is therefore usually not arched shaped, but has a horizontal horizontal design.
  • the molded floor stones advantageously already have the contour of the finished floor in their outer shape.
  • the provided for the second layer floor blocks may already have a vaulted like curved shape as individual components.
  • the provided for the first layer floor blocks have as individual blocks on its upper side advantageously a flat expression.
  • the floor blocks can also be shaped and dimensioned in size so that they are adapted in their entire extent to the width of the respective flue gas duct and to the thickness of the flue gas duct walls.
  • Each individual floor tile then spans the flue gas channel in its entire width and lies with its ends on the flue gas duct walls.
  • a plurality of paralleled on the flue gas duct Bodenformsteinen then spans the flue gas duct.
  • the invention comprises a method for producing coke, in which a coke oven is used in one of the aforementioned embodiments.
  • Fig. 1 shows a sectional view of a known coke oven 1 in a horizontal design.
  • the actual coke oven chamber 2 is enclosed by the outer walls 3 and is supplied via the primary air duct 9 with combustion air.
  • the combustion gases are from the coke oven chamber 2 via a wall channel, the so-called downcomer 4, in the flue gas channels 5, which run below the coke oven bottom 11.
  • the flue gas channels 5 are separated by partitions 6, but are in a manner not shown with each other.
  • Below the flue gas ducts 5 run secondary air ducts 8, via which the combustion in the flue gas ducts 5 can be controlled.
  • the coal bed or the coke 10 is the intended operation as a bed or pressed cake on the coke oven bottom 11th
  • the sectional view Fig. 2a shows the coke oven bottom 11 in detail.
  • the coke oven bottom 11 constructed from the two layers 11a and 11b is placed on the partitions, which are formed from separating wall blocks 20.
  • the actual surface of the coke oven bottom 11 is formed of flat bottom plates 15, which are placed on the horizontal transition stones 13. These horizontal transition blocks 13 form the vertical end of the partitions 6.
  • Below the transition brick 13 two support stones 17 are arranged, which in turn rest on the masonry crowns of the respective partition 6.
  • the partition 6 is formed from cuboid shaped stones 20.
  • the ceiling 12 of the flue gas duct 5 is supported, which is formed as an arc and formed from a plurality of wedge-shaped ceiling stones 16.
  • the ceiling tiles 16 are arranged so that between the ceiling tiles 16 always a gap 18 or channel is formed, as in the bottom view of the ceiling 12 in Fig. 2a shown. It is a further advantage of the invention to be seen in that the latticework in the lower layer 11 b less building material is needed, which is economically advantageous.
  • Fig. 3a the construction of the coke oven bottom is shown in a sectional drawing when the ground segments 19 according to the invention are used.
  • the bottom segment 19 is formed in the vertical direction as a continuous molded block and rests in the installed state on each two partitions 6.
  • the manufacturing side openings, channels 18 or the like have been provided.
  • the unilaterally open channels 18 communicate with the gas space of the flue gas channel 5 in connection.
  • the channels 18 do not run perpendicular to the first layer 11a but are arranged in a fan-like manner, so that only the smallest possible areas of the first layer 11a remain without connection to the ends of the channels 18.
  • 3b the bottom view of the bottom segment 19 is shown.
  • the shadow edges of the ceiling channels 18 are shown due to the better clarity only for a number of the ceiling channels 18 as dashed lines.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Coke Industry (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Solid-Fuel Combustion (AREA)
  • Commercial Cooking Devices (AREA)
EP07725552A 2006-06-06 2007-05-25 Bodenkonstruktion für horizontale koksöfen Not-in-force EP2032673B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07725552T PL2032673T3 (pl) 2006-06-06 2007-05-25 Konstrukcja denna do poziomych pieców koksowych

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE200610026521 DE102006026521A1 (de) 2006-06-06 2006-06-06 Bodenkonstruktion für horizontale Koksöfen
DE202006009985U DE202006009985U1 (de) 2006-06-06 2006-06-06 Bodenkonstruktion für horizontale Koksöfen
PCT/EP2007/004656 WO2007140891A1 (de) 2006-06-06 2007-05-25 Bodenkonstruktion für horizontale koksöfen

Publications (2)

Publication Number Publication Date
EP2032673A1 EP2032673A1 (de) 2009-03-11
EP2032673B1 true EP2032673B1 (de) 2009-09-02

Family

ID=37295866

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07725552A Not-in-force EP2032673B1 (de) 2006-06-06 2007-05-25 Bodenkonstruktion für horizontale koksöfen

Country Status (17)

Country Link
US (1) US9115313B2 (pt)
EP (1) EP2032673B1 (pt)
JP (1) JP5274452B2 (pt)
KR (1) KR101476454B1 (pt)
AT (1) ATE441697T1 (pt)
AU (1) AU2007256495B2 (pt)
BR (1) BRPI0711959A2 (pt)
CA (1) CA2653512C (pt)
DE (2) DE202006009985U1 (pt)
ES (1) ES2330975T3 (pt)
MX (1) MX2008015739A (pt)
NO (1) NO20085125L (pt)
PL (1) PL2032673T3 (pt)
PT (1) PT2032673E (pt)
RU (1) RU2441898C2 (pt)
TW (1) TW200823283A (pt)
WO (1) WO2007140891A1 (pt)

Cited By (1)

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CN102786954A (zh) * 2012-08-06 2012-11-21 山西鑫立能源科技有限公司 一种煤热解炉的火道弓

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EP2879777B1 (en) 2012-07-31 2019-05-29 SunCoke Technology and Development LLC Methods for handling coal processing emissions and associated systems and devices
US9249357B2 (en) 2012-08-17 2016-02-02 Suncoke Technology And Development Llc. Method and apparatus for volatile matter sharing in stamp-charged coke ovens
US9243186B2 (en) 2012-08-17 2016-01-26 Suncoke Technology And Development Llc. Coke plant including exhaust gas sharing
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EP2898048B8 (en) 2012-09-21 2020-08-12 SunCoke Technology and Development LLC Reduced output rate coke oven operation with gas sharing providing extended process cycle
US10883051B2 (en) 2012-12-28 2021-01-05 Suncoke Technology And Development Llc Methods and systems for improved coke quenching
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US9476547B2 (en) 2012-12-28 2016-10-25 Suncoke Technology And Development Llc Exhaust flow modifier, duct intersection incorporating the same, and methods therefor
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US9273249B2 (en) 2012-12-28 2016-03-01 Suncoke Technology And Development Llc. Systems and methods for controlling air distribution in a coke oven
WO2014105063A1 (en) 2012-12-28 2014-07-03 Suncoke Technology And Development Llc. Systems and methods for maintaining a hot car in a coke plant
US9193915B2 (en) * 2013-03-14 2015-11-24 Suncoke Technology And Development Llc. Horizontal heat recovery coke ovens having monolith crowns
US9273250B2 (en) 2013-03-15 2016-03-01 Suncoke Technology And Development Llc. Methods and systems for improved quench tower design
EP3090034B1 (en) 2013-12-31 2020-05-06 Suncoke Technology and Development LLC Methods for decarbonizing coking ovens, and associated systems and devices
US10526541B2 (en) 2014-06-30 2020-01-07 Suncoke Technology And Development Llc Horizontal heat recovery coke ovens having monolith crowns
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US10968393B2 (en) 2014-09-15 2021-04-06 Suncoke Technology And Development Llc Coke ovens having monolith component construction
WO2016109704A1 (en) 2014-12-31 2016-07-07 Suncoke Technology And Development Llc Multi-modal beds of coking material
US11060032B2 (en) 2015-01-02 2021-07-13 Suncoke Technology And Development Llc Integrated coke plant automation and optimization using advanced control and optimization techniques
BR112017014428B1 (pt) 2015-01-02 2022-04-12 Suncoke Technology And Development Llc Método para otimizar a operação de uma usina de coque e forno de coque
AU2016382975A1 (en) 2015-12-28 2018-07-19 Suncoke Technology And Development Llc Method and system for dynamically charging a coke oven
EP3465369A4 (en) 2016-06-03 2020-01-15 Suncoke Technology and Development LLC METHODS AND SYSTEMS FOR AUTOMATICALLY GENERATING CORRECTIVE ACTION IN AN INDUSTRIAL INSTALLATION
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WO2020140079A1 (en) 2018-12-28 2020-07-02 Suncoke Technology And Development Llc Decarbonizatign of coke ovens, and associated systems and methods
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CN117120581A (zh) 2021-11-04 2023-11-24 太阳焦炭科技和发展有限责任公司 铸造焦炭产品以及相关系统、装置和方法
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CN114958397B (zh) * 2022-05-29 2024-07-09 五冶集团上海有限公司 热回收焦炉砌筑施工方法
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Publication number Priority date Publication date Assignee Title
CN102786954A (zh) * 2012-08-06 2012-11-21 山西鑫立能源科技有限公司 一种煤热解炉的火道弓
CN102786954B (zh) * 2012-08-06 2014-04-30 山西鑫立能源科技有限公司 一种煤热解炉的火道弓

Also Published As

Publication number Publication date
JP5274452B2 (ja) 2013-08-28
KR20090015104A (ko) 2009-02-11
MX2008015739A (es) 2008-12-19
DE202006009985U1 (de) 2006-10-12
TW200823283A (en) 2008-06-01
BRPI0711959A2 (pt) 2011-12-20
DE502007001456D1 (de) 2009-10-15
ATE441697T1 (de) 2009-09-15
NO20085125L (no) 2009-03-02
ES2330975T3 (es) 2009-12-17
KR101476454B1 (ko) 2014-12-24
PT2032673E (pt) 2009-11-13
PL2032673T3 (pl) 2010-02-26
RU2008152773A (ru) 2010-07-20
EP2032673A1 (de) 2009-03-11
CA2653512C (en) 2014-04-29
JP2009540024A (ja) 2009-11-19
CA2653512A1 (en) 2007-12-13
WO2007140891A1 (de) 2007-12-13
RU2441898C2 (ru) 2012-02-10
US9115313B2 (en) 2015-08-25
US20090283395A1 (en) 2009-11-19
AU2007256495A1 (en) 2007-12-13
AU2007256495B2 (en) 2011-10-20

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