Inner sliding pipe support system and manufacturing method thereof

A technology of inner sliding and inner pipe, which is applied in the direction of pipe support, pipe protection, and heat insulation protection of pipes, etc. It can solve the problems of heat insulation, compression resistance, unsatisfactory bending resistance, bulky pipe support, poor relaxation design, etc. , to achieve the effect of optimized construction technology, simple structure, economical combination and installation

Pending Publication Date: 2021-06-25
南京苏夏设计集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides an inner sliding pipe support system and its manufacturing method to solve the problems in the prior art that the pipe support is bulky, unsatisfactory in heat insulation, compression resistance and bending resistance, poor relaxation design and fragile heat insulation block

Method used

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  • Inner sliding pipe support system and manufacturing method thereof
  • Inner sliding pipe support system and manufacturing method thereof
  • Inner sliding pipe support system and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] like Figure 1-26 As shown, an inner sliding pipe holder system includes an inner pipe holder 1 wrapped on the outer wall of a working steel pipe 10 from the inside to the outside, an intermediate sleeve 2, an outer sleeve 4 and an outer pipe holder 5, and is arranged on the intermediate sleeve 2 and the polyurethane layer 3 between the outer casing 4; the inner tube holder 1 includes an inner support tube 106 and an outer support tube 101 that are set inside and outside, and an arc-shaped plate 102 arranged between the inner support tube 106 and the outer support tube 101 , a fixed plate I103, a support assembly 104 and a roller assembly 105, the arc-shaped plate 102 is fixed between the inner support tube 106 and the outer support tube 101 by several fixed plates I103, and one end of the fixed plate I103 is fixed on the outer support The inner wall of the tube 101, the other end of the fixed plate I103 is fixed on the outer wall of the arc plate 102, one end of the su...

Embodiment 2

[0122] Example 2, such as Figure 1-26 As shown, using the inner sliding pipe support in the present invention, specifically, the diameter of the working steel pipe 10 is 720mm, the working temperature is 300°C, the ambient temperature is 20°C, and the composite thermal insulation structure layer 7 is made of aluminum silicate needle-punched blanket with a thickness of 40mm. and 160mm high temperature resistant glass wool, the thickness of the polyurethane layer 3 is 30mm, and the total insulation thickness is 240mm. The heat dissipation loss through the upper hoop 501 and the lower hoop 503 is calculated using the double-layer heat dissipation formula on the cylindrical surface. Similarly, through the vertical plate 504 1. The rib plate 505 is calculated by using the fin heat dissipation formula. Through calculation, the temperature of the inner layer of the polyurethane layer 3 is 79.6° C., and the heat dissipation loss of a single inner sliding tube support is 522.1w.

Embodiment 3

[0123] Example 3, such as Figure 1-26 As shown, using the inner sliding pipe support in the present invention, specifically, the diameter of the working steel pipe 10 is 720mm, the working temperature is 300°C, the ambient temperature is 20°C, and the composite thermal insulation structure layer 7 is made of aluminum silicate needle-punched blanket with a thickness of 40mm. and 120mm high temperature-resistant glass wool, the thickness of polyurethane layer 3 is 30mm, and the total insulation thickness is 210mm. The heat dissipation loss through the upper hoop 501 and the lower hoop 503 is calculated using the double-layer heat dissipation formula of the cylindrical surface. Similarly, through the vertical plate 504 1. The rib plate 505 is calculated by using the fin heat dissipation formula. Through the calculation, the temperature of the inner layer of the polyurethane layer 3 is 92.2°C, and the heat dissipation loss of a single inner sliding tube support is 626.7w.

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Abstract

The invention discloses an inner sliding pipe support system. The system comprises an inner pipe support, a middle sleeve, a polyurethane layer, an outer sleeve and an outer pipe support which wrap the outer wall of a working steel pipe from inside to outside. The inner pipe support comprises an inner supporting pipe and an outer supporting pipe which are sleeved inside and outside, and an arc-shaped plate, fixing plates I, a supporting assembly and a roller assembly which are arranged between the inner supporting pipe and the outer supporting pipe, wherein the arc-shaped plate is fixed between the inner supporting pipe and the outer supporting pipe through the fixing plates I, one end of the supporting assembly is fixed to the outer wall of the inner supporting pipe, the other end of the supporting assembly is fixed to the inner wall of the arc-shaped plate, the roller assembly is fixed to the inner supporting pipe, and the roller assembly makes rolling contact with the bottom of the outer circle of the working steel pipe through rollers. The supporting mode of the working steel pipe and the pipe supports is changed, and the friction coefficient is reduced; and the heat preservation structure is changed, the heat preservation thickness and the heat preservation weight are reduced, the heat preservation diameter is reduced, the total heat loss of a heat supply network is reduced, and the total investment cost of the heat supply network is reduced.

Description

technical field [0001] The invention belongs to the technical field of steam heat pipeline engineering, and in particular relates to an inner sliding pipe support system and a manufacturing method thereof. Background technique [0002] Heat insulation pipe support is an important component of long-distance heat network steam system. Tests and calculations show that the heat lost by it accounts for about 20% to 30% of the total heat loss of steam pipes. The development of a new heat-insulated pipe support can effectively reduce the heat loss of the pipeline and solve the problem of excessive heat loss during steam transportation. Heat-insulated pipe supports can be used for horizontal pipes, vertical pipes, rigid hangers or spring hangers. There are many types of structures. According to the laying method, they can be overhead heat-insulated pipe supports and buried heat-insulated pipe supports. Sliding tube support, guide tube support, fixed tube support. At present, the t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L3/10F16L59/02F16L59/08F16L59/04F16L58/18
CPCF16L3/1091F16L58/18F16L59/02F16L59/04F16L59/08
Inventor 王国兴佴耀温成
Owner 南京苏夏设计集团股份有限公司
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