Limiting structure of S-shaped piping system

A technology of limiting structure and serpentine tube, which is applied in steam boiler components, steam boiler accessories, steam boilers, etc., can solve problems affecting boiler thermal efficiency and tube deformation

Inactive Publication Date: 2013-07-24
WUXI HUAGUANG BOILER
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Large-scale pulverized coal boilers have many serpentine piping systems of superheaters, reheaters or economizers arranged horizontally, and pipe clamps, suspension pipes or end supports are often used as fixing devices, but a

Method used

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  • Limiting structure of S-shaped piping system
  • Limiting structure of S-shaped piping system

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Embodiment Construction

[0010] See figure 1 , figure 2 , which includes a horizontally arranged serpentine tube 1, the horizontal section of the serpentine tube 1 is relatively long, and the upper and lower layers of the serpentine tube 1 are hoisted on the upper beam by a hoisting assembly 2 (not shown in the figure, which belongs to the existing Mature technology), the hoisting assembly 2 is located in the middle of the horizontal section of the serpentine tube 1, and the upper and lower layers of the two ends of the horizontal section of the serpentine tube 1 are spaced with a limit block 3, and the upper side of the limit block 3 is welded. Its upper floor serpentine pipe, the lower side of the limit block 3 is welded to connect the serpentine pipe of its lower floor.

[0011] The specific interval setting method of the limit block 3 is as follows: the upper and lower layers of each end in the two ends of the horizontal section of the serpentine tube 1 are spaced after three vacancies, and the ...

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Abstract

The invention provides a limiting structure for an S-shaped piping system, which is used for preventing pipes of the piping system from being deformed by longitudinal heating under the condition that S-shaped pipes are long in the horizontal direction, and ensuring the thermal efficiency of a boiler. The limiting structure comprises S-shaped pipes which are arranged horizontally, wherein the horizontal segments of the S-shaped pipes are long; the upper layers and the lower layers of the S-shaped pipes are hoisted on upper transverse beams through hoisting assemblies; and the hoisting assemblies are positioned at the middle positions of the horizontal segments of the S-shaped pipes. The limiting structure is characterized in that limiting blocks are arranged between the upper layers and the lower layers at the two ends of the horizontal segments of the S-shaped pipes at certain intervals; the upper sides of the limiting blocks are connected with upper layer S-shaped pipes by welding; and the lower sides of the limiting blocks are connected with lower layer S-shaped pipes by welding.

Description

technical field [0001] The invention relates to the technical field of connection structures of boiler serpentine pipes, in particular to a position-limiting structure of serpentine pipe systems. Background technique [0002] Large-scale pulverized coal boilers have many serpentine piping systems of superheaters, reheaters or economizers arranged horizontally, and pipe clamps, suspension pipes or end supports are often used as fixing devices, but at the level of serpentine pipes In the case of a long section, the tubes of the piping system will be deformed due to the lack of limit points after being heated longitudinally, which will affect the thermal efficiency of the boiler. Contents of the invention [0003] In view of the above problems, the present invention provides a limiting structure of the serpentine pipe system, which ensures that when the serpentine pipe is horizontally long, the pipes of the pipe system will not be deformed after being heated in the longitudin...

Claims

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Application Information

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IPC IPC(8): F22B37/20F28F9/013
Inventor 何雁飞薛志芳顾之震赵丽娟任孝明凌建祥
Owner WUXI HUAGUANG BOILER
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