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Thermal lump and its application in combustion chamber

A heat insulation block and combustion chamber technology, applied in the direction of combustion chambers, continuous combustion chambers, combustion methods, etc., can solve problems such as adverse force input, achieve the effects of increasing passive safety, extending inspection and maintenance intervals, and avoiding subsequent damage

Inactive Publication Date: 2003-04-02
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to production reasons, the separating layer can compensate for inhomogeneities of the support structure and / or thermal protection which could lead to locally unfavorable force inputs

Method used

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  • Thermal lump and its application in combustion chamber
  • Thermal lump and its application in combustion chamber
  • Thermal lump and its application in combustion chamber

Examples

Experimental program
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Effect test

Embodiment Construction

[0043] figure 1 The insulating block 1 is shown in side view. The insulating block 1 has a hot side 3 and a wall side 5 opposite the hot side 3 . The peripheral side 7 of the insulating block 1 connects the hot side 3 and the wall side 5 . The peripheral side 7 has a peripheral side surface 9 . A thermal medium M (eg hot gas) acts on the hot side 3 during use of the insulating block 1 . The tensile element 11 , which is prestressed in the peripheral direction 17 , is arranged on the peripheral side 7 of the insulating block 1 . In this case the tensile element 11 is prestressed to the prestress F Z . The peripheral side 7 has a peripheral groove 13 in which the tensile element 11 engages. Due to the prestress F of the tensile member 11 Z , generating compressive stress F on the material of the insulation block 1 P , the compressive stress F P (for example) acting on surface element A. In this case, the tensile member 11 is pre-stressed to: compressive stress F Z The...

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PUM

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Abstract

The invention relates to a heat shield block, in particular for lining a combustion chamber wall, having a hot side which can be subjected to a hot medium, a wall side opposite the hot side, and a peripheral side adjoining the hot side and the wall side. A tension element which can be prestressed to a prestress (Fz) is attached to the peripheral side, release of a fragment, formed during a fracture, of the heat shield block being reliably prevented by the prestress (Fz) of the tension element. The invention also relates to the use of a heat shield block, in particular for lining a combustion chamber wall of a gas turbine.

Description

technical field [0001] The invention relates to an insulating block, in particular for lining a combustion chamber wall, having a hot side subjected to a heat medium, a wall side opposite the hot side and a peripheral side connecting the hot side and the wall side. The invention also relates to the use of insulating blocks, in particular for lining combustion chambers. Background technique [0002] Combustion spaces with high heat and / or high thermal engine loads are suitably lined to avoid excessive thermal stress distribution, such combustion spaces include furnaces, hot gas ducts or combustion chambers of steam turbines, where heat medium is generated or conducted . The lining usually consists of a heat-resistant material that protects the walls of the combustion space from direct contact with the heat medium and the associated high heat load. [0003] US patent 4840131 relates to the fastening of ceramic lining elements to furnace walls. In this patent a track system ...

Claims

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Application Information

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IPC IPC(8): F23R3/42F23M5/00F23M5/02F23R3/00F27D1/04F27D1/08F27D1/14
CPCF27D1/08F27D1/04F27D1/145F23R3/002F23M5/02F23R3/007
Inventor 乌尔里克·巴斯特尤维·雷蒂格克里斯廷·陶特
Owner SIEMENS AG
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