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Flue axial rail-mounted support structure

A supporting structure and rail-type technology, applied in the direction of vertical pipes, building components, building structures, etc., can solve the problems of large horizontal friction, increased cost, and heavy weight of the flue 5, so as to achieve reasonable force and save energy. The effect of cost and simple structure

Inactive Publication Date: 2009-09-16
TONGFANG ENVIRONMENT
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AI Technical Summary

Problems solved by technology

Due to the heavy weight of the flue 5, the horizontal friction force is also very large, and the transverse beam 3 of the flue support frame will be subject to a relatively large torsional force, making the transverse beam 3 of the flue support frame easy to lose stability
Therefore, in the calculation of structural mechanics, in order to ensure the stability of the flue support frame transverse beam 3, the flue support frame transverse beam 3 will be made thicker, which will increase the cost

Method used

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  • Flue axial rail-mounted support structure
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Embodiment Construction

[0010] see figure 2 , the present invention includes a rectangular flue 5, a plurality of supporting columns 1 spanning the two axial sides of the rectangular flue 5, and a supporting longitudinal beam 2 fixed on the top of the supporting column 1. Reinforcing ribs 9 are arranged around the outer wall of the flue 5 , and the two ends of the bottom plane ribs 4 of the reinforcing ribs 9 extend out of the section of the flue 5 . Sliding supports 6 are respectively provided under the two ends of the ribs 4 on the bottom plane, and the sliding supports 6 are placed on the supporting longitudinal beam 2 to form a sliding surface. A limiting block 8 is arranged inside the sliding support 6 .

[0011] In the use of the present invention, the load of the rectangular flue 5 directly acts on the supporting longitudinal beam 2 through the sliding support 6 under the rib 4 of the bottom plane of the flue. The limit block 8 inside the sliding support 6 can limit the lateral displacement...

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Abstract

The invention provides a flue axial rail-mounted support structure, which relates to the technical field of environmental protection. The flue axial rail-mounted support structure comprises a rectangular flue, a plurality of support posts arranged on two sides of the rectangular flue along an axial direction respectively, and support longitudinal beams fixed on the tops of the support posts. Reinforcing ribs are arranged around the external wall of the flue. The flue axial rail-mounted support structure has the structural characteristics that two ends of ribs at the base plane of the reinforcing ribs of the rectangular flue extend out from the cross section of the flue; and sliding supports are arranged under the two ends of the ribs at the base plane. The sliding supports are arranged on the support longitudinal beams to form a sliding plane and the internal sides of the sliding supports are provided with limiting blocks. The support structure of the invention can reduce the influence of the axial displacement of the flue on the support frame beams of the flue, and has the characteristics of simple structure, reasonable stress and construction cost reduction.

Description

technical field [0001] The invention relates to the technical field of environmental protection, in particular to an axial rail support structure for a large-scale flue of a thermal power plant. Background technique [0002] In recent years, with the increasing demand for electricity, thermal power plants have sprung up like mushrooms after rain. The flue is the channel for flue gas circulation. Due to the huge amount of coal burned in large thermal power plants, a large amount of flue gas is generated, so the flue gas The scale is also quite large, for example, the cross-sectional area of ​​the flue of a 300MW unit is about 30m 2 . At the same time, the country requires desulfurization and denitrification transformation of existing thermal power plants to meet emission requirements, and a large number of flue ducts are also used in this technology. In the prior art, the axial support of the horizontal flue, such as figure 1 It is shown that a circumferential reinforcing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23J11/12E04B1/36E04F17/02
Inventor 赵云才陈虹李诚
Owner TONGFANG ENVIRONMENT
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