A boiler plant, a support structure, and a method for supporting the walls of a steam boiler of a boiler plant

A technology for supporting structures and boiler installations, applied in the components of steam boilers, steam boilers, steam boiler accessories, etc., can solve the problems of high cost and large number, and achieve the effect of overall weight saving

Inactive Publication Date: 2008-11-12
METSO POWER OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Thus, the supporting structure requires a large amount of steel, causing higher costs

Method used

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  • A boiler plant, a support structure, and a method for supporting the walls of a steam boiler of a boiler plant
  • A boiler plant, a support structure, and a method for supporting the walls of a steam boiler of a boiler plant
  • A boiler plant, a support structure, and a method for supporting the walls of a steam boiler of a boiler plant

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Embodiment Construction

[0026] figure 1 Only the part of the boiler plant necessary to describe the invention is shown. There is the frame 1 of the boiler shell, the boiler 2 and the support structure 3. Furthermore, other structures are required in boiler installations, especially for supplying fuel and air and for treating exhaust gases. In addition, there are often different structures for use and maintenance work. Although in practice the frame is on each side, the figure 1 For the sake of clarity, the frame 1 of the boiler plant is shown on only one side, the A side. Accordingly, the support structure 4 of the outer shield is only shown on the B side of the boiler shell, although the frame is advantageously on each shield side. The C and D sides of the boiler shell do not show the frame 1 of the boiler shell, nor the shroud 4 to show the location of the support structure 3 more clearly. The frame 1 of the boiler casing comprises vertical boiler columns 5 . Shelter 4 includes vertical outer...

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Abstract

A boiler plant, which comprises a boiler (2) and a frame (1) of a boiler house surrounding the boiler. In addition, the boiler plant comprises support structures (3), by which the walls of the boiler (2) are supported laterally to the frame (1) of the boiler house. In addition, the invention relates to a support structure (3) and a method for supporting the walls of a boiler (2) of a boiler plant.

Description

technical field [0001] The present invention relates to a boiler arrangement according to the preamble of the appended claim 1 . The invention also relates to a support structure according to the preamble of appended claim 7, and a method of supporting a steam boiler wall according to the preamble of appended claim 13. Background technique [0002] The boiler of a typical boiler plant comprises tubular walls in which water and / or steam circulates. Combustion takes place in the furnace interior of the boiler, and due to combustion and airflow, negative and positive pressures can occur in different areas in the boiler. The pressure effect is directed at the boiler walls and the walls tend to move. Thereby, different support structures are produced in the wall. Typically, the support structure is a horizontal arched strut that surrounds the outer wall of the boiler. Usually, the support rings are made of strong steel beams, which are attached to the boiler wall in a suitabl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B37/24
CPCF22B37/24F22B37/208F22B37/20
Inventor M·塞帕南J·罗特萨拉
Owner METSO POWER OY
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