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EP2064303A1 - Four à coke à propriétés chauffantes améliorées - Google Patents

Four à coke à propriétés chauffantes améliorées

Info

Publication number
EP2064303A1
EP2064303A1 EP07801565A EP07801565A EP2064303A1 EP 2064303 A1 EP2064303 A1 EP 2064303A1 EP 07801565 A EP07801565 A EP 07801565A EP 07801565 A EP07801565 A EP 07801565A EP 2064303 A1 EP2064303 A1 EP 2064303A1
Authority
EP
European Patent Office
Prior art keywords
heb
coking chamber
heating elements
chamber
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.)
Granted
Application number
EP07801565A
Other languages
German (de)
English (en)
Other versions
EP2064303B1 (fr
Inventor
Kim Ronald
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
Application filed by Uhde GmbH filed Critical Uhde GmbH
Publication of EP2064303A1 publication Critical patent/EP2064303A1/fr
Application granted granted Critical
Publication of EP2064303B1 publication Critical patent/EP2064303B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C10B21/20—Methods of heating ovens of the chamber oven type
    • C10B21/22—Methods of heating ovens of the chamber oven type by introducing the heating gas and air at various levels
    • 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
    • C10B23/00—Other methods of heating 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
    • 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
    • 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
    • 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
    • F27D1/0003—Linings or walls
    • F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
    • 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
    • F27D1/16—Making or repairing linings ; Increasing the durability of linings; Breaking away linings
    • F27D1/1678—Increasing the durability of linings; Means for protecting

Definitions

  • the invention relates to a coke oven in a horizontal design (non- / heat recovery type), wherein at least a portion of the inner walls of the coking chamber are formed as a secondary heating surface by these are coated with a high emission coating (HEB), the emissivity of this High emission coating is equal to or greater than 0.9.
  • This HEB preferably consists of the substances Cr 2 O 3 or Fe 2 O 3 or of a mixture containing these substances, wherein the proportion of Fe 2 O 3 in a mixture at least 25 wt .-% and the proportion of Cr 2 O 3 in a mixture is at least 20 wt .-% is.
  • Coke ovens in a horizontal design are known in the art and often in use. Examples of such coke ovens are described in US 4,111,757, US 4,344,820, US 6,596,128 B2 or DE 691 06 312 T2.
  • EP 0 742 276 B1 describes, for the structurally different horizontal chamber furnaces, a method for improving the heat transfer, from the parallel heating cables outside the actual furnace chamber into the coal charge.
  • the surfaces of the coke oven chamber parallel heating cables are coated so that they act as a black body and the heat transport through the wall is improved.
  • This object is achieved by the Koksofen defined in the main claim in a horizontal design (non- / heat recovery type).
  • This coke oven comprises at least one coking chamber, vertical down (down corner) ducts, and bottom ducts for heating the coking chamber horizontally and below the coking chamber, at least part of the interior walls of the coking chamber being a secondary heating surface by being coated with a high emissivity coating (US Pat. HEB) are coated, wherein the emissivity of this high emission coating is equal to or greater than 0.9.
  • This HEB is preferably made of the materials Cr 2 O 3 or Fe 2 O 3 or from a mixture containing these substances, wherein the proportion of Fe 2 O 3 in a mixture at least 25 wt .-% and the proportion of Cr 2 O 3 in a mixture is at least 20% by weight.
  • the HEB may also contain SiC in a proportion of at least 20% by weight.
  • the HEB further contains one or more inorganic binders. It has also been found that the ingredients of the HEB should have a specific grain size that is less than or equal to 15 microns and ideally between 2.5 and 10 microns.
  • the coke oven can be further improved to the effect that the walls of the horizontally extending below the coking chamber flue gas ducts are completely or partially coated with HEB in one of the above-described material composition, whereby the indirect heat transfer through the bottom of the coke oven chamber is improved.
  • a further improved variant is that in the gas space, which is not provided in the normal operation of the coke oven for the filling with solid, one or more heating elements, so-called tertiary heating elements are arranged, which also completely or partially with the HEB described above are coated.
  • these tertiary heating elements may also consist entirely or partially of the substances forming the HEB or be formed.
  • the tertiary heating elements can have any shape and are ideally shaped as hanging ribs or hanging walls.
  • the tertiary heating elements can be further improved in that these openings have a partially open structure.
  • the tertiary heating elements can be attached in any way in the oven chamber.
  • the tertiary heating elements are releasably suspended in suitable brackets, the brackets being mounted in the wall and / or ceiling of the coking chamber.
  • a further improved embodiment of the coke oven is to adapt the gas guide to the positioning of the tertiary heating elements.
  • led into each of these sections at least one air supply line and led out of each of these sections one or two exhaust ducts (down corner).
  • the invention also includes a process for the production of coke using the above described coke oven, wherein one of the embodiments is used. As a rule, a large number of the described coke ovens are operated more or less in parallel.
  • Fig. 1 shows an embodiment of the coke oven according to the invention in a sectional view.
  • the coke oven 1 has a furnace roof 2, furnace walls 3 and a furnace bottom 4, which surround the furnace chamber 5.
  • the introduced coal bed 7 rests on the oven floor 4 and flue gas ducts 8 run below the oven floor 4.
  • the air supply lines 10 provided in the furnace foundation 9 are shown in cross-section through which air into the flue gas ducts 8 can be directed.
  • the inner surfaces of the oven chamber 5 are verse- hen with a HEB, which consist of equal parts of Cr 2 ⁇ 3, Fe 2 O and SiC. This HEB the inner walls, making them to secondary heating surfaces, has not been shown. Furthermore, in the furnace chamber 5, heating elements 12, tertiary heating surfaces, are introduced vertically and parallel to one another, which largely fill the free cross section above the carbon charge 7, which are likewise coated with this HEB. The heating elements 12 are connected to holding elements 13, which here have the form of wall and ceiling anchors attached.
  • a small, circumferential gap 14 remains between the inner wall surfaces of the furnace chamber 5, the coal bed 7 and the outer edge of the heating element 12 to allow horizontal convection in the oven cavity 5 and material damage due to differences in the expansion behavior of the components prevent.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Coke Industry (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Furnace Details (AREA)
  • Ceramic Products (AREA)

Abstract

L'invention concerne un four à coke de type horizontal (à récupération de chaleur ou sans récupération de chaleur) qui comprend au moins une chambre de cokéfaction, des carneaux de gaz brûlés verticaux (descentes) placés sur le côté de la chambre de cokéfaction, ainsi que des conduits de sol placés horizontalement sous la chambre de cokéfaction et servant au chauffage indirect de la chambre de cokéfaction. Selon l'invention, on réalise au moins une partie des parois intérieures de la chambre de cokéfaction en tant que surface chauffante secondaire en revêtant ces parois d'un revêtement à émission élevée ayant un degré d'émission supérieur ou égal à 0,9. Ce revêtement à émission élevée est de préférence constitué des matériaux Cr<SUB>2</SUB>O<SUB>3</SUB> ou Fe<SUB>2</SUB>O<SUB>3</SUB> ou d'un mélange contenant ces matériaux, la part de Fe<SUB>2</SUB>O<SUB>3</SUB> dans un mélange étant d'au moins 25 % en poids et la part de Cr<SUB>2</SUB>O<SUB>3</SUB> dans un mélange étant d'au moins 20 % en poids.
EP07801565.8A 2006-09-21 2007-08-09 Four à coke à propriétés chauffantes améliorées Not-in-force EP2064303B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610045067 DE102006045067A1 (de) 2006-09-21 2006-09-21 Koksofen mit verbesserten Heizeigenschaften
PCT/EP2007/007030 WO2008034493A1 (fr) 2006-09-21 2007-08-09 Four à coke à propriétés chauffantes améliorées

Publications (2)

Publication Number Publication Date
EP2064303A1 true EP2064303A1 (fr) 2009-06-03
EP2064303B1 EP2064303B1 (fr) 2015-10-14

Family

ID=38584489

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07801565.8A Not-in-force EP2064303B1 (fr) 2006-09-21 2007-08-09 Four à coke à propriétés chauffantes améliorées

Country Status (20)

Country Link
US (2) US8460516B2 (fr)
EP (1) EP2064303B1 (fr)
JP (1) JP5566107B2 (fr)
KR (1) KR20090060298A (fr)
CN (1) CN101517037B (fr)
AP (1) AP2538A (fr)
AR (1) AR062942A1 (fr)
AU (1) AU2007299334B2 (fr)
BR (1) BRPI0717047A2 (fr)
CA (1) CA2663746A1 (fr)
CL (1) CL2007002740A1 (fr)
CO (1) CO6170370A2 (fr)
DE (1) DE102006045067A1 (fr)
MX (1) MX2009003053A (fr)
NZ (1) NZ575265A (fr)
RU (1) RU2447129C2 (fr)
TW (1) TWI439540B (fr)
UA (1) UA98119C2 (fr)
WO (1) WO2008034493A1 (fr)
ZA (1) ZA200901938B (fr)

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CN104913651A (zh) * 2015-05-17 2015-09-16 成都中冶节能环保工程有限公司 基于升压电源电路的热保护型焦炉余热发电系统

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DE102006045067A1 (de) * 2006-09-21 2008-04-03 Uhde Gmbh Koksofen mit verbesserten Heizeigenschaften
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DE102007058473B4 (de) * 2007-12-04 2009-11-26 Uhde Gmbh Verfahren und Vorrichtung zum Verschließen eines Koksofens, der durch eine horizontal gerichtete, vorder- und hinterseitige Ofenöffnung beladen oder für die Verkokung vorbereitet wird
CN102322623B (zh) * 2011-08-24 2013-11-13 成都中冶节能环保工程有限公司 焦炉炉顶余热回收系统
DE102012002963A1 (de) 2012-02-16 2013-08-22 Thyssenkrupp Uhde Gmbh Verfahren und Vorrichtung zur flächenoptimierten Zuführung von Verbrennungsluft in den Primärheizraum einer Koksofenkammer des Typs "Non-Recovery" oder "Heat-Recovery"
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DE102012014741A1 (de) * 2012-07-26 2014-05-15 Thyssenkrupp Uhde Gmbh Vorrichtung und Verfahren zur gerichteten Einleitung von Verbrennungsluft in die Sekundärheizräume eines Koksofens vom Typ "Heat-Recovery"
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CN104930858A (zh) * 2015-05-14 2015-09-23 成都中冶节能环保工程有限公司 基于电源调整电路的消除型焦炉余热发电系统
CN104819648A (zh) * 2015-05-14 2015-08-05 成都中冶节能环保工程有限公司 基于升压电源电路的消除型焦炉余热回收发电系统
CN104819649A (zh) * 2015-05-14 2015-08-05 成都中冶节能环保工程有限公司 基于稳压电源电路的消除型焦炉余热发电系统
CN104819647A (zh) * 2015-05-14 2015-08-05 成都中冶节能环保工程有限公司 基于高效驱动电源电路的消除型焦炉余热发电系统
CN104913650A (zh) * 2015-05-15 2015-09-16 成都中冶节能环保工程有限公司 基于高效驱动电源电路的热感型焦炉余热发电系统
CN104833222A (zh) * 2015-05-15 2015-08-12 成都中冶节能环保工程有限公司 基于电源整压电路的热感型焦炉余热发电系统
CN104833228A (zh) * 2015-05-15 2015-08-12 成都中冶节能环保工程有限公司 基于稳压电源电路的热感型焦炉余热发电系统
CN104880079A (zh) * 2015-05-15 2015-09-02 成都中冶节能环保工程有限公司 基于高效驱动电源电路的热感型焦炉余热回收发电系统
CN104913647A (zh) * 2015-05-15 2015-09-16 成都中冶节能环保工程有限公司 基于电源整压电路的报警型焦炉余热回收发电系统
CN104833223A (zh) * 2015-05-15 2015-08-12 成都中冶节能环保工程有限公司 基于高效驱动电源电路的报警型焦炉余热发电系统
CN104833229A (zh) * 2015-05-17 2015-08-12 成都中冶节能环保工程有限公司 基于电源调整电路的热保护型焦炉余热回收发电系统
CN104833227A (zh) * 2015-05-17 2015-08-12 成都中冶节能环保工程有限公司 基于稳压电源电路的热保护型焦炉余热发电系统
CN104880081A (zh) * 2015-05-17 2015-09-02 成都中冶节能环保工程有限公司 基于稳压电源电路的湿保护型焦炉余热发电系统
US10018363B1 (en) * 2016-12-23 2018-07-10 Jade Range LLC Hearth oven
CN109897649A (zh) * 2019-04-03 2019-06-18 中冶焦耐(大连)工程技术有限公司 一种焦炉燃烧室炉头保温结构
CN112414145B (zh) * 2020-11-27 2023-03-31 广西柳州宝铁节能技术有限公司 组合式节能装置的制备方法
CN112268462B (zh) * 2020-11-27 2023-03-28 广西柳州宝铁节能技术有限公司 多元组合式节能装置的制备方法
CN114439428B (zh) * 2021-12-30 2023-08-25 中煤科工集团西安研究院有限公司 穿采空区群下组煤煤层气水平井强化抽采方法

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Cited By (1)

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CN104913651A (zh) * 2015-05-17 2015-09-16 成都中冶节能环保工程有限公司 基于升压电源电路的热保护型焦炉余热发电系统

Also Published As

Publication number Publication date
KR20090060298A (ko) 2009-06-11
AP2538A (en) 2012-12-20
WO2008034493A1 (fr) 2008-03-27
US20130248347A1 (en) 2013-09-26
JP2010504378A (ja) 2010-02-12
DE102006045067A1 (de) 2008-04-03
NZ575265A (en) 2012-03-30
JP5566107B2 (ja) 2014-08-06
TW200817500A (en) 2008-04-16
CN101517037A (zh) 2009-08-26
MX2009003053A (es) 2009-04-01
CA2663746A1 (fr) 2008-03-27
ZA200901938B (en) 2010-03-31
CL2007002740A1 (es) 2008-05-09
US20100065412A1 (en) 2010-03-18
US8460516B2 (en) 2013-06-11
CN101517037B (zh) 2014-07-09
RU2009114840A (ru) 2010-10-27
AU2007299334B2 (en) 2011-10-27
AP2009004789A0 (en) 2009-04-30
AR062942A1 (es) 2008-12-17
UA98119C2 (ru) 2012-04-25
AU2007299334A1 (en) 2008-03-27
CO6170370A2 (es) 2010-06-18
BRPI0717047A2 (pt) 2013-10-15
EP2064303B1 (fr) 2015-10-14
RU2447129C2 (ru) 2012-04-10
TWI439540B (zh) 2014-06-01

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