High-strength asphalt-graphite pipe

A graphite tube, high-strength technology, applied in the direction of tubular components, lighting and heating equipment, heat exchange equipment, etc., can solve the problems of low bending and tensile strength, large volume, high cost of graphite heat exchangers, and achieve compression resistance Good performance and high strength effect

Inactive Publication Date: 2016-10-12
太仓市顺邦防腐设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, graphite is brittle and has low flexural and tensile strengths, so it can only be used for low pressure. Even the block-like structure with the

Method used

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Examples

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Example Embodiment

[0009] The preferred embodiments of the present invention are described in detail below, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0010] Wherein, the high-strength pitch graphite tube is composed of thermoplastic engineering plastics in the outermost layer, polyurethane rubber in the middle layer and graphite in the innermost layer, the thermoplastic engineering plastics is ultra-high molecular weight polyethylene, and the thermoplastic engineering plastics Engineering plastics account for 41%-45% of the total weight of high-strength pitch graphite tubes, the polyurethane rubber accounts for 5%-6% of the total weight of high-strength pitch graphite tubes, and the graphite accounts for 10% of the total weight of high-strength pitch graphite tubes. 48%-56%.

[0011] Further illustrate, described graphite comprises pitch, gra...

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PUM

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Abstract

The invention discloses a high-strength pitch graphite tube. The high-strength pitch graphite tube is composed of thermoplastic engineering plastics in the outermost layer, polyurethane rubber in the middle layer and graphite in the innermost layer. The thermoplastic engineering plastics are super High molecular weight polyethylene, the thermoplastic engineering plastics account for 41%-45% of the total weight of the high-strength pitch graphite tube, the polyurethane rubber accounts for 5%-6% of the total weight of the high-strength pitch graphite tube, and the graphite It accounts for 48%‑56% of the total weight of high-strength pitch graphite tubes. The invention provides a high-strength pitch graphite tube, which has the advantages of high strength, good tensile resistance, bending resistance and compression resistance.

Description

technical field [0001] The invention relates to a high-strength pitch graphite tube. Background technique [0002] Graphite heat exchangers can be divided into three types according to their structure: block hole type, shell and tube type and plate type. Block hole type: assembled by several block graphite components with holes. Shell-and-tube heat exchanger: shell-and-tube heat exchanger occupies an important position in graphite heat exchangers, and can be divided into fixed type and floating head type according to the structure. Plate type: The plate heat exchanger is made of bonded graphite plates. In addition, there are immersion type, spray type and casing type (see coil heat exchanger, casing heat exchanger). The graphite heat exchanger has good corrosion resistance, the heat transfer surface is not easy to scale, and the heat transfer performance is good. However, graphite is brittle and has low flexural and tensile strengths, so it can only be used at low pressu...

Claims

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Application Information

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IPC IPC(8): F28F1/00F28F21/02F28F21/06
CPCF28F1/00F28F21/02F28F21/062
Inventor 王国保
Owner 太仓市顺邦防腐设备有限公司
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