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Cable sheath material of thermocouple for methanation device

A cable sheathing material and thermocouple technology, which is applied to rubber insulators, organic insulators, etc., can solve the problems of extremely high thermal stability performance requirements, short service life, and fast aging at high temperature of the cable sheathing layer, so as to improve thermal stability. High temperature aging performance, good compatibility, balanced effect of hardness and toughness

Inactive Publication Date: 2017-11-03
安徽吉安特种线缆制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The methanation unit in the coal chemical industry is one of the core units of the coal-to-natural gas process. During production, it is necessary to monitor and control the temperature inside the methanation unit. When using thermocouples to monitor the temperature inside the methanation unit, due to methanation The gas temperature in the device is too high, and the thermal stability of the cable sheath layer of the thermocouple is extremely demanding, and its high temperature aging is extremely fast, and its service life is short

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A thermocouple cable sheath material for a methanation device proposed by the present invention, its raw materials include by weight: 70 parts of main material, 2 parts of vulcanizing agent, titanium bis(dioctylpyrophosphoryloxy) oxoesterate 0.1 part, 4 parts of vinyltriethoxysilane, 50 parts of filling and reinforcing material, 2 parts of polyethylene glycol, 1 part of chlorinated paraffin, and 3 parts of stabilizer.

Embodiment 2

[0016] A thermocouple cable sheath material for a methanation device proposed by the present invention, its raw materials include by weight: 80 parts of main material, 1 part of vulcanizing agent, titanium bis(dioctylpyrophosphoryloxy) oxoesterate 0.6 parts, 2 parts of vinyl triethoxysilane, 60 parts of filling and reinforcing material, 1 part of polyethylene glycol, 2 parts of chlorinated paraffin, 1 part of stabilizer.

[0017] The main ingredients include by weight: 20 parts of EPDM rubber, 40 parts of natural rubber, and 5 parts of polystyrene. The filling and reinforcing material includes by weight: 22 parts of tara gum compound, 2 parts of carbon nanotube, 4 parts of graphene, 6 parts of nano titanium dioxide, 5 parts of glass fiber, and 2 parts of nano silicon dioxide.

[0018] The tara gum compound is prepared by the following process: stir halloysite nanotubes and water, add hydrogen peroxide, heat up and stir, vacuum filter, dry, add tara gum, ethanol, water and stir...

Embodiment 3

[0020] A thermocouple cable sheath material for a methanation device proposed by the present invention, its raw materials include by weight: 72 parts of main materials, 1.8 parts of vulcanizing agent, titanium bis(dioctylpyrophosphoryloxy)oxoesterate 0.2 parts, 3.5 parts of vinyl triethoxysilane, 52 parts of filling and reinforcing material, 1.8 parts of polyethylene glycol, 1.3 parts of chlorinated paraffin, and 2.5 parts of stabilizer.

[0021] The main ingredients include by weight: 40 parts of EPDM rubber, 20 parts of natural rubber, and 12 parts of polystyrene. The filling and reinforcing material includes by weight: 16 parts of tara gum compound, 8 parts of carbon nanotube, 2 parts of graphene, 10 parts of nano titanium dioxide, 2 parts of glass fiber, and 8 parts of nano silicon dioxide.

[0022] The tara gum compound was prepared by the following process: Stir halloysite nanotubes and water for 65 minutes at a stirring speed of 670 r / min, add hydrogen peroxide, heat up...

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Abstract

The invention discloses a cable sheath material of a thermocouple for a methanation device. The cable sheath material comprises the following raw materials in parts by weight: 70-80 parts of a main material, 1-2 parts of a sulfurizing agent, 0.1-0.6 part of di(dioctyl pyrophosphate) oxotitanate, 2-4 parts of vinyl triethoxysilane, 50-60 parts of a filling and reinforcing material, 1-2 parts of polyethylene glycol, 1-2 parts of chlorinated paraffin and 1-3 parts of a stabilizer, wherein the filling and reinforcing material comprises the following components in parts by weight: 16-22 parts of a Tara gum compound, 2-8 parts of carbon nanotube, 2-4 parts of graphene, 6-10 parts of nanometer titanium dioxide, 2-5 parts of glass fiber, 2-8 parts of nanometer silicon dioxide. The cable sheath material is excellent in high temperature resistance and aging resistance and extremely good in oil resistance and ozone resistance and has extremely strong impact resistance and balanced toughness and hardness.

Description

technical field [0001] The invention relates to the technical field of thermocouples, in particular to a thermocouple cable sheathing material for a methanation device. Background technique [0002] The methanation unit in the coal chemical industry is one of the core units of the coal-to-natural gas process. During production, it is necessary to monitor and control the temperature inside the methanation unit. When using thermocouples to monitor the temperature inside the methanation unit, due to methanation The gas temperature in the device is too high, and the thermal stability of the cable sheath layer of the thermocouple is extremely demanding, and its high temperature aging is extremely fast, and its service life is short. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a thermocouple cable sheath material for methanation equipment, which has excellent high temperature resistance ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L23/16C08L25/06C08L5/00C08K13/06C08K9/04C08K9/02C08K7/26C08K7/24C08K3/36C08K7/14C08K5/5425H01B3/28
CPCC08L7/00C08K2201/011C08L23/16C08L2201/08C08L2203/202C08L2205/035H01B3/28C08L25/06C08L5/00C08K13/06C08K9/08C08K9/02C08K9/04C08K7/26C08K7/24C08K3/36C08K7/14C08K5/5425
Inventor 荔建荣吴永志李鑫
Owner 安徽吉安特种线缆制造有限公司
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