High temperature resistant material for internal conveying tube of thermal power conveying pipeline and preparation method of high temperature resistant material

A transmission pipeline and high temperature resistance technology, which is applied in the field of material preparation of thermal transmission pipelines, can solve the problems of poor heat resistance and easy aging, and achieve the effect of long service life, not easy to aging, and increased service life

Inactive Publication Date: 2017-07-07
安徽新碳实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the defects of poor heat resistance and easy aging in the prior art, and provide a high-

Method used

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Examples

Experimental program
Comparison scheme
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Example Embodiment

[0031] Preferably, the present invention also discloses a method for preparing the above-mentioned heat-resistant material for the inner conveying pipe of the thermal conveying pipe. The specific steps are as follows:

[0032] (1) Mix magnesium oxide, lead oxide, aluminum hydroxide, rare earth oxide, and titanium carbide together, and then calcinate in a high-temperature furnace after the mixture is uniform;

[0033] (2) After calcination, cool to room temperature, take it out, put it into a ball mill for grinding, and prepare powder;

[0034] (3) Mix polyurethane resin, epoxy resin, antioxidant 4010NA, curing agent, and antioxidant together, then add the powder prepared in step (2), using a magnetic stirrer, at 40-50℃, 40- Stir for 4-6 hours under the condition of 60r / min;

[0035] (4) After filtering out the impurities, transfer to an oven and dry for 20-40 hours at 60-100°C to prepare granular materials;

[0036] (5) The granular material is sized, hauled, and cooled by a molding ma...

Example Embodiment

[0038] Example 1

[0039] The invention discloses a high temperature resistant material for the inner conveying pipe of a thermal conveying pipeline, which is prepared by weight parts from the following components: 10 parts of polyurethane resin, 16 parts of epoxy resin, 6 parts of magnesium oxide, and 2 parts of lead oxide , 3 parts of aluminum hydroxide, 5 parts of antioxidant 4010NA, 1 part of curing agent, 1 part of antioxidant, 6 parts of rare earth oxide, 2 parts of titanium carbide.

[0040] The antioxidant is p-phenylenediamine.

[0041] The curing agent uses boron trifluoride.

[0042] The rare earth oxide uses praseodymium oxide.

[0043] The invention also discloses a preparation method of the high temperature resistant material for the inner conveying pipe of the thermal conveying pipe. The specific steps are as follows:

[0044] (1) Mix magnesium oxide, lead oxide, aluminum hydroxide, rare earth oxides, and titanium carbide together, and then calcinate in a high-temperature...

Example Embodiment

[0050] Example 2

[0051] The invention discloses a high temperature resistant material for the inner conveying pipe of a thermal conveying pipeline, which is prepared by weight parts from the following components: 14 parts of polyurethane resin, 12 parts of epoxy resin, 4 parts of magnesium oxide, and 3 parts of lead oxide , 5 parts of aluminum hydroxide, 3 parts of antioxidant 4010NA, 3 parts of curing agent, 3 parts of antioxidant, 4 parts of rare earth oxide, 4 parts of titanium carbide.

[0052] The antioxidant uses ditetradecyl alcohol ester.

[0053] The curing agent adopts triethylenetetramine.

[0054] The rare earth oxide uses rubidium oxide.

[0055] The invention also discloses a preparation method of the high temperature resistant material for the inner conveying pipe of the thermal conveying pipe. The specific steps are as follows:

[0056] (1) Mix magnesium oxide, lead oxide, aluminum hydroxide, rare earth oxides, and titanium carbide together, and then calcinate in a hig...

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Abstract

The invention discloses a high temperature resistant material for an internal conveying tube of a thermal power conveying pipeline and a preparation method of the high temperature resistant material. The high temperature resistant material is prepared from the following components in parts by weight: 10-18 parts of polyurethane resin, 8-16 parts of epoxy resin, 2-6 parts of magnesium oxide, 2-5 parts of lead oxide, 3-8 parts of aluminum hydroxide, 2-5 parts of an anti-aging agent 4010NA, 1-4 parts of a curing agent, 1-4 parts of an antioxidant, 2-6 parts of rare earth oxides and 2-6 parts of titanium carbide. The preparation method comprises the following steps: mixing the magnesium oxide, the lead oxide, the aluminum hydroxide, the rare earth oxides and the titanium carbide, and calcining in a high temperature furnace; grinding in a ball mill; mixing the polyurethane resin, the epoxy resin, the anti-aging agent 4010NA, the curing agent and the antioxidant, adding powder materials, and stirring so as to obtain a granular material; performing sizing, traction and cooling molding on the granular material by using a molding machine. The high temperature resistant material has the advantages of being excellent in high temperature resistance property, long in service life and the like.

Description

technical field [0001] The invention relates to the field of material preparation for heat transmission pipelines, in particular to a high-temperature-resistant material for inner transmission pipes of heat transmission pipelines and a preparation method thereof. Background technique [0002] Thermal transmission pipelines are often used in daily life and industrial production, especially in the field of central heating, central cooling and other medium transmission areas. Thermal pipelines are often used to transport steam or hot water. Among them, thermal pipelines generally include inner transmission pipes, outer casings As well as the heat insulating layer between the outer shell and the inner delivery pipe, the outer shell is mainly made of metal, and the heat insulating layer can be foam heat insulating material, polyurethane foam. [0003] Among them, the inner conveying pipe of the thermal conveying pipeline generally has the defects of poor heat resistance, poor mec...

Claims

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Application Information

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IPC IPC(8): C08L63/00C08L75/04C08K13/06C08K9/00C08K3/22C08K3/14
CPCC08L63/00C08K2201/014C08L75/04C08L2201/08C08L2203/18C08K13/06C08K9/00C08K2003/222C08K2003/2234C08K2003/2227C08K2003/221C08K3/14
Inventor 何珩张宇军
Owner 安徽新碳实业有限公司
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