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Support structure for inner cylinder of chimney

A technology of support structure and inner cylinder, applied in the field of support structure of the chimney inner cylinder, can solve the problems of large steel consumption, many connection nodes, unfavorable operation and maintenance, etc., achieve low steel consumption, enhance overall stability, and bear powerful effect

Active Publication Date: 2016-05-04
CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this suspension method, multiple reinforcing rings are arranged on the outer circumference of the inner cylinder to connect with the platform, and the amount of steel used is relatively large.
Especially for some large chimneys, this segmented suspension frame has more connection nodes, which is not conducive to operation and maintenance

Method used

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  • Support structure for inner cylinder of chimney
  • Support structure for inner cylinder of chimney
  • Support structure for inner cylinder of chimney

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Embodiment Construction

[0033] Embodiments of the present invention are described in detail below:

[0034] The chimney includes an outer cylinder 100 and at least one inner cylinder 200 suspended in the outer cylinder 100 . The outer cylinder 100 is a concrete outer cylinder 100 , and the inner cylinder 200 is a steel inner cylinder 200 . Such as Figure 1-2 As shown, a support structure for an inner cylinder of a chimney includes two first trusses 300 located in the outer cylinder 100 and oppositely arranged. Both first trusses 300 include a first upper chord 310, a first lower chord 320 and a first web 330 between the first upper chord 310 and the first lower chord 320, as Figure 5 shown. The inner wall of the outer cylinder 100 is provided with four corbels 110 , and one end of each first upper chord 310 is supported and fixed on one of the corbels 110 . The length of the first upper chord 310 is greater than that of the first lower chord 320 , which facilitates the installation of the first...

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Abstract

The invention discloses a support structure for an inner cylinder of a chimney. The chimney comprises an outer cylinder and at least one inner cylinder suspended inside the outer cylinder. The support structure comprises two first trusses which are positioned inside the outer cylinder and arranged opposite to each other; the two first trusses comprise first upper chords and first lower chords respectively; the first upper chords are supported on the inner wall of the outer cylinder; at least two suspending beams are arranged between the two first upper chords; the suspending beam and the first upper chord encircle and form at least one suspending frame matched with the outer circumference of the inner cylinder; at least two support beams are arranged between the two first lower chords; the support beams and the first lower chords encircle and form support frames which are matched with the outer circumference of the inner cylinder and correspond to the suspending frames one to one; one end of an inserting beam stretches into a clamping groove. By adopting the support structure, overall suspension of the inner cylinder is achieved, connection joints for mounting the inner cylinder are reduced, and the inner cylinder can be conveniently operated and maintained.

Description

technical field [0001] The invention relates to the technical field of smoke exhaust equipment in power plants, in particular to the support structure of the inner cylinder of the chimney. Background technique [0002] Suspended steel inner tube chimneys are gradually being favored by the majority of owners and design units because of their good economical and mechanical properties. The support mode of the current suspended steel inner cylinder is mainly supported by sections on the platforms of each floor, and multiple support points are set on the steel inner cylinder to bear the weight of the entire inner cylinder. In this suspension method, multiple reinforcing rings are arranged on the outer periphery of the inner cylinder to connect with the platform, and the amount of steel used is relatively large. Especially for some large chimneys, this segmented suspension frame has more connection nodes, which is not conducive to operation and maintenance. Contents of the inve...

Claims

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Application Information

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IPC IPC(8): E04H12/28
CPCE04H12/28
Inventor 李杰陶林惠尹春明梁金放陈添槐张垲驰
Owner CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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