EP0053659B2 - Einspannsystem zur Vermeidung von schädlichen Zug- und Schubspannungen in ggf. mehrschichtigen Mauerwerksscheiben - Google Patents

Einspannsystem zur Vermeidung von schädlichen Zug- und Schubspannungen in ggf. mehrschichtigen Mauerwerksscheiben Download PDF

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Publication number
EP0053659B2
EP0053659B2 EP81107658A EP81107658A EP0053659B2 EP 0053659 B2 EP0053659 B2 EP 0053659B2 EP 81107658 A EP81107658 A EP 81107658A EP 81107658 A EP81107658 A EP 81107658A EP 0053659 B2 EP0053659 B2 EP 0053659B2
Authority
EP
European Patent Office
Prior art keywords
restraining
yoke
restraining system
spring
girder
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.)
Expired
Application number
EP81107658A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0053659A1 (de
EP0053659B1 (de
Inventor
Heinz Dipl.-Ing. Dürselen
Jürgen Dipl.-Ing. Neitzel
Arnulf Dr. Dipl.-Ing. Schüffler
Walter Stanke
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.)
Krupp Koppers GmbH
Original Assignee
Krupp Koppers 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6117842&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0053659(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Krupp Koppers GmbH filed Critical Krupp Koppers GmbH
Priority to AT81107658T priority Critical patent/ATE15263T1/de
Publication of EP0053659A1 publication Critical patent/EP0053659A1/de
Publication of EP0053659B1 publication Critical patent/EP0053659B1/de
Application granted granted Critical
Publication of EP0053659B2 publication Critical patent/EP0053659B2/de
Expired legal-status Critical Current

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Classifications

    • 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 or breaking away linings
    • F27D1/1621—Making linings by using shaped elements, e.g. bricks
    • 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
    • C10B29/08—Bracing or foundation of the ovens
    • 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
    • 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
    • F27D1/0023—Linings or walls comprising expansion joints or means to restrain expansion due to thermic flows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B13/00—Furnaces with both stationary charge and progression of heating, e.g. of ring type, of type in which segmental kiln moves over stationary charge
    • F27B13/06—Details, accessories, or equipment peculiar to furnaces of this type

Definitions

  • the invention relates to a clamping system to avoid harmful tensile and shear stresses in possibly multilayer masonry slabs, which are subject to both thermal and mechanical deformation stresses and in which the masonry is clamped by means of clamping plates to which the clamping forces of the anchors with the aid of yoke-like supports and intermediate springs or distance pieces are transmitted.
  • the task is to generate sufficient pressure prestresses in the partition walls and to ensure them constantly in spite of changing thermal and mechanical deformations of the outer clamping system in order to avoid tensile cracks by superimposing corresponding compressive stresses.
  • the task is thus solved according to the invention as an optimization of the elements of the overall system connected via the force flow.
  • the wall warps the most when it is loaded from the side halfway up.
  • the clamping pressure forces of the wall are chosen to be the highest in the center and their contact surfaces are laterally separated as far as possible into the two outer edge zones, the resultants of the two marginal forces acting parallel to or in the direction of the vertical wall center plane.
  • the individual construction elements of the clamping system are designed to be resilient in such a way that they largely compensate for the interference.
  • the advantages of the spring elasticities provided in the clamping system are, on the one hand, the small displacements in the force distributions and, on the other hand, the lighter and cheaper design, in particular with larger partition wall dimensions.
  • the production of the desired distribution of the clamping forces over the length of the clamping plates can be done by a corresponding gradation of the thickness of the spacers or by relaxed built-in spring elements, the z. B. subsequently panned by the cross anchor or the furnace expansion or in the so-called one-step process directly by spring elements that are installed in the prestressed blocked state, and their supports are adjusted so that after Removal of the blockage results in the desired force distribution, or in the so-called two-step process, initially quantitatively precisely using 1 or more mechanical, hydraulic or pneumatic clamping elements, i.e. with correspondingly adjustable clamping tools with specified local clamping forces and then using adjusted pressure elements such as spacers or spring elements that take over the force distribution .
  • Figure 3 the three pressure elements 6 are used as spring elements.
  • Figures 4, 5 and 6 illustrate the deformations of the yoke-like support 5a and the clamping plate 7a with normal length of the cross anchor compared to the accidents with increased length of the cross anchor or reduced cross anchor force 5b and 7b. In the latter case, the thermal curvatures predominate at the ends of the deformation curves of the yoke-like support 5b and the clamping plate 7b. These are caused by the temperature gradient from the inside of the furnace to the outside and change depending on the conditions of operation and the weather.
  • the prestresses in the partition walls (9 in FIG. 1) are produced either directly by adjusting the prestressed blocked pressure element (6 in FIG. 1) between the clamping plates 7 and the yoke-like support 5 arranged in front of them and then lifting the blockade or initially by adjustable ones Tensioning elements between the clamping plate 7 and the yoke-like carrier 5, which is pretensioned, and then by adjusting the pressure elements 6.
  • the prestresses in the partition walls are to be constantly maintained by the spring properties of the transverse anchor system (1 and 3 in FIG. 1), the yoke-like supports 5, the clamping plates 7 and 8 and the pressure elements 6.
  • the load changes in the usual clamping forces can be kept within the tolerance limits according to claim 1.
  • the springs at both ends of the cross anchor can be combined in a one-sided spring with half the spring constant if the changes in force are transmitted from one side to the other.
  • the factor q is a maximum of 20%.
  • Gas pressure bellows 13 according to FIG. 11 d can also be coupled, for example, to the pressure regulator (PC) or a corresponding positioner (positioner), that the exhaust air consumed by the controller is used, for example, as cooling air or is taken directly from the gas pressure bellows at the top and thus serves to dissipate heat.
  • PC pressure regulator
  • positioner positioner
  • Figure 12 shows according to claims 18 and 19 spring pressure elements 6 relaxed (Fig. 12a) and biased (Fig. 12b).
  • bracketed values are intended to indicate that deviating (boundary) conditions can be decisive in these areas, e.g. B. manufacturability or additional functions of the clamping system.
  • the yoke-like carrier or the clamping plate is composed of several parts, the area moment of inertia combined according to the rules of statics is decisive.
  • the gradations of the moments of inertia can be generated, for example, by recesses or corresponding screw connections.
  • the clamping system according to the invention can preferably be used in partition walls in industrial furnaces, in particular in heating walls of coking furnaces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Springs (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Heat Treatment Of Articles (AREA)
  • Bridges Or Land Bridges (AREA)
  • Clamps And Clips (AREA)
EP81107658A 1980-11-28 1981-09-26 Einspannsystem zur Vermeidung von schädlichen Zug- und Schubspannungen in ggf. mehrschichtigen Mauerwerksscheiben Expired EP0053659B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81107658T ATE15263T1 (de) 1980-11-28 1981-09-26 Einspannsystem zur vermeidung von schaedlichen zug- und schubspannungen in ggf. mehrschichtigen mauerwerksscheiben.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803044897 DE3044897A1 (de) 1980-11-28 1980-11-28 Einspannsystem zur vermeidung von schaedlichen zug- und schubspannungen in ggf. mehrschichtigen mauerwerksscheiben
DE3044897 1980-11-28

Publications (3)

Publication Number Publication Date
EP0053659A1 EP0053659A1 (de) 1982-06-16
EP0053659B1 EP0053659B1 (de) 1985-08-28
EP0053659B2 true EP0053659B2 (de) 1989-08-30

Family

ID=6117842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81107658A Expired EP0053659B2 (de) 1980-11-28 1981-09-26 Einspannsystem zur Vermeidung von schädlichen Zug- und Schubspannungen in ggf. mehrschichtigen Mauerwerksscheiben

Country Status (12)

Country Link
US (1) US4732652A (es)
EP (1) EP0053659B2 (es)
JP (1) JPS57117779A (es)
AR (1) AR228624A1 (es)
AT (1) ATE15263T1 (es)
AU (1) AU552643B2 (es)
BR (1) BR8107727A (es)
CA (1) CA1158859A (es)
DE (2) DE3044897A1 (es)
ES (1) ES506741A0 (es)
IN (1) IN156315B (es)
ZA (1) ZA816836B (es)

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KR100957916B1 (ko) 2003-06-13 2010-05-13 주식회사 포스코 코크스 오븐의 박스테이 자동온도 조절및 변형 방지장치
US7134397B2 (en) * 2004-05-26 2006-11-14 Hatch, Ltd. System for applying vertical compressive force to furnace walls
BR112012013778B1 (pt) * 2009-12-10 2020-10-13 Novelis Inc conjunto de haste compressiva para aplicar força a um vaso refratário
CN101838539B (zh) * 2010-05-25 2012-12-26 中国一冶集团有限公司 焦炉看火眼墙抗裂的方法
ES2603978T3 (es) * 2011-09-29 2017-03-02 Hatch Ltd Sistema de unión autoajustable para un horno metalúrgico
CN102435071B (zh) * 2011-11-14 2015-12-09 王国强 焙烧炉变形火道墙的校正方法
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WO2014105062A1 (en) 2012-12-28 2014-07-03 Suncoke Technology And Development Llc. Systems and methods for removing mercury from emissions
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BR112017014186A2 (pt) 2014-12-31 2018-01-09 Suncoke Tech & Development Llc leitos multimodais de material de coque
CN107922846B (zh) 2015-01-02 2021-01-01 太阳焦炭科技和发展有限责任公司 使用高级的控制和最佳化技术的综合焦化设备自动化和最佳化
CN104560067A (zh) * 2015-01-30 2015-04-29 山东钢铁股份有限公司 一种用于更换焦炉横拉条的炉柱固定装置
JP6524821B2 (ja) * 2015-06-29 2019-06-05 日本製鉄株式会社 室炉式コークス炉の炉締め構造及び炉締め方法
UA125640C2 (uk) 2015-12-28 2022-05-11 Санкоук Текнолоджі Енд Дівелепмент Ллк Спосіб і система динамічного завантаження коксової печі
JP7109380B2 (ja) 2016-06-03 2022-07-29 サンコーク テクノロジー アンド ディベロップメント リミテッド ライアビリティ カンパニー 産業施設において改善措置を自動的に生成する方法およびシステム
JP6822064B2 (ja) * 2016-10-28 2021-01-27 日本製鉄株式会社 室炉式コークス炉の炉締め構造及び炉締め方法
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JP7151283B2 (ja) * 2018-08-31 2022-10-12 三菱ケミカル株式会社 室炉式コークス炉の炉締め構造
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US11098252B2 (en) 2018-12-28 2021-08-24 Suncoke Technology And Development Llc Spring-loaded heat recovery oven system and method
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BR122023020289A2 (pt) 2018-12-31 2024-01-23 SunCoke Technology and Development LLC Planta de coque e método de modificar um gerador de valor de recuperação de calor (hrsg)
CN110373214B (zh) * 2019-06-24 2021-08-13 五冶集团上海有限公司 一种焦炉炉柱上部横拉条更换方法
JP2023525984A (ja) 2020-05-03 2023-06-20 サンコーク テクノロジー アンド ディベロップメント リミテッド ライアビリティ カンパニー 高品質コークス製品
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Also Published As

Publication number Publication date
EP0053659A1 (de) 1982-06-16
ES8207633A1 (es) 1982-10-01
ZA816836B (en) 1982-09-29
DE3044897A1 (de) 1982-07-08
IN156315B (es) 1985-06-22
ES506741A0 (es) 1982-10-01
JPS57117779A (en) 1982-07-22
ATE15263T1 (de) 1985-09-15
AR228624A1 (es) 1983-03-30
AU552643B2 (en) 1986-06-12
JPH0254392B2 (es) 1990-11-21
AU7795581A (en) 1982-06-03
EP0053659B1 (de) 1985-08-28
CA1158859A (en) 1983-12-20
US4732652A (en) 1988-03-22
BR8107727A (pt) 1982-08-31
DE3172035D1 (en) 1985-10-03

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