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Thermal insulation coating for outer wall of vacuum furnace

A technology of thermal insulation coating and vacuum thermal insulation, which can be used in coatings, sustainable manufacturing/processing, chemical industry, etc., can solve problems such as increased production costs, prone to scalding, etc., to improve heating efficiency, excellent thermal insulation and Abrasion resistance, heat reduction effect

Inactive Publication Date: 2018-12-18
滁州华海中谊工业炉有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, due to the lack of clear material requirements for the production of the outer wall of the vacuum furnace, when some vacuum furnaces are in use, the temperature of the outer wall surface is relatively high, which is prone to burns. If the vacuum furnace is replaced, the corresponding production cost will inevitably increase

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The invention provides a heat-insulating coating for the outer wall of a vacuum furnace. Vacuum heat-insulating beads with particle diameters not exceeding 250 μm are evenly distributed in the heat-insulating coating.

[0018] The vacuum heat insulation beads are printed layer by layer by a 3D printer through the heat insulation bead bottom material; the components of the vacuum heat insulation beads and the mass percentages of each component are: heat insulation bead carrier: 45%, filler: 35%, active agent : 10%, leveling agent: 10%; the active agent is a chain compound containing siloxane.

[0019] The components of the heat-insulating bead carrier and the mass percentages of each component in the total mass of the heat-insulating bead carrier are: linseed oil water-soluble alkyd resin: 55%, water-soluble polyurethane: 45%.

[0020] The components of the filler and the mass percentages of each component in the total mass of the filler are: nickel-iron alloy powder: 35...

Embodiment 2

[0022] The invention provides a heat-insulating coating for the outer wall of a vacuum furnace. Vacuum heat-insulating beads with particle diameters not exceeding 250 μm are evenly distributed in the heat-insulating coating.

[0023] The vacuum heat insulation beads are printed layer by layer by a 3D printer through the heat insulation bead bottom material; the components of the vacuum heat insulation beads and the mass percentages of each component are: heat insulation bead carrier: 70%, filler: 22%, active agent : 5%, leveling agent: 3%; the active agent is a chain compound containing siloxane.

[0024] The components of the heat-insulating bead carrier and the mass percentages of each component in the total mass of the heat-insulating bead carrier are: linseed oil water-soluble alkyd resin: 70%, water-soluble polyurethane: 30%.

[0025] The components of the filler and the mass percentages of each component in the total mass of the filler are: nickel-iron alloy powder: 55%,...

Embodiment 3

[0027] The invention provides a heat-insulating coating for the outer wall of a vacuum furnace. Vacuum heat-insulating beads with particle diameters not exceeding 250 μm are evenly distributed in the heat-insulating coating.

[0028] The vacuum insulation beads are printed layer by layer by a 3D printer through the insulation bead bottom material; the components of the vacuum insulation beads and the mass percentages of each component are: heat insulation bead carrier: 61%, filler: 26%, active agent : 7%, leveling agent: 6%; the active agent is one of chain compounds containing siloxane or chain compounds containing succinimide.

[0029] The components of the heat-insulating bead carrier and the mass percentages of each component in the total mass of the heat-insulating bead carrier are: linseed oil water-soluble alkyd resin: 65%, water-soluble polyurethane: 35%.

[0030] The components of the filler and the mass percentages of each component in the total mass of the filler ar...

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Abstract

The invention provides a thermal insulation coating for an outer wall of a vacuum furnace. The vacuum heat-insulating beads having a particle size of not more than 250 [mu]m are uniformly distributedin the thermal insulation coating. The thermal insulation coating adopts an innovative distribution ratio to ensure the adhesion of the coating, and also has excellent heat insulation and wear resistance, the coating can be stably adhered to the outer wall surface for a long time, the heat of the outer wall of the vacuum furnace is reduced, the thermal insulation coating is beneficial to the preservation of the temperature in the vacuum furnace, and increases the heating efficiency.

Description

technical field [0001] The invention belongs to the field of vacuum furnace coatings, and in particular relates to a heat-insulating coating used for the outer wall of a vacuum furnace. Background technique [0002] Vacuum furnace is a kind of vacuum system (assembled by vacuum pump, vacuum measuring device, vacuum valve and other components) in the furnace cavity to discharge some substances in the furnace cavity, so that the pressure in the furnace cavity is less than a standard atmospheric pressure. The space thus realizes the vacuum state heating equipment. At present, there is no clear material requirement for the production of the outer wall of the vacuum furnace. As a result, when some vacuum furnaces are in use, the temperature of the outer wall surface is high, and scalding is easy to occur. If the vacuum furnace is replaced, the corresponding production cost will inevitably increase. [0003] Therefore, it is an urgent problem for those skilled in the art to devel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D7/65C09D7/61C09D7/63
CPCC09D7/61C09D7/63C09D7/65C09D7/66C09D7/70Y02P20/10
Inventor 赵成军
Owner 滁州华海中谊工业炉有限公司
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