High-temperature-resistant furnace wall composite lining with high thermal radiation performance and strong heat insulating performance

A technology with thermal performance and high temperature resistance, which can be used in furnaces, integral linings, lining repairs, etc., and can solve the problems of high production costs and time-consuming and labor-intensive production of composite linings for furnace walls.

Pending Publication Date: 2018-02-23
林文豪
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  • Abstract
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Problems solved by technology

The complicated process to achieve this requirement makes the fabrication of the furnace wall composite lining time-consuming, laborious and expensive

Method used

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  • High-temperature-resistant furnace wall composite lining with high thermal radiation performance and strong heat insulating performance

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Embodiment Construction

[0016] A high temperature resistant furnace wall composite lining with high heat radiation and strong heat insulation performance, see figure 1 : It includes a ceramic substrate 1, the ceramic substrate 1 has a single-sided radiation layer 2, and the materials of the radiation layer 2 are specifically black metal particles, powder ceramics and curing agent, and the density of the black metal particles is distributed in a certain gradient in the thickness direction of the radiation layer.

[0017] The radiation layer is specifically formed by a sieve-in method and a press molding process again to form a single-sided adhesion layer on one side of the ceramic substrate;

[0018] The radiation layer 2 is specifically a material with strong radiation performance, strong adhesion with ceramic materials, very close expansion coefficient, and high heat resistance; the radiation layer is mixed with black metal powder, powder ceramics, and curing agent, and the density of the black metal...

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Abstract

The invention provides a high-temperature-resistant furnace wall composite lining with high thermal radiation performance and strong heat insulating performance. The preparation cost of the furnace wall composite lining is reduced, and time and labor are reduced. The furnace wall composite lining includes a ceramic substrate and is characterized in that the ceramic substrate is a sheet formed through one-time compression molding after a curing agent and heat insulating material powder are mixed, a single-face radiation layer is attached to one side of the ceramic substrate, and the radiation layer is specifically composed of the curing agent, powdered ceramic and black metal microparticles, and the density of the black metal microparticles is distributed with a certain gradient in the thickness direction of the radiation layer; after secondary pressing, the radiation layer and the ceramic substrate are combined into a whole, and high-temperature sintering is conducted to form the furnace wall composite lining.

Description

technical field [0001] The invention relates to the technical field of high-temperature heating furnace wall inner village, in particular to a high-temperature-resistant furnace wall composite inner lining with high heat radiation and strong thermal insulation performance. Background technique [0002] The high-temperature furnace body or wall is mostly composed of refractory bricks, ceramic fiber cotton, and pouring materials. These materials have good thermal insulation performance but poor radiation performance and insufficient heat energy utilization; especially the ceramic fiber cotton wall is easily decomposed by high-temperature heat flow. Crystallization, the life of the furnace body is shortened. Installing a high-radiation, strong heat-insulating high-temperature lining on the inner side of the refractory brick or ceramic fiber cotton furnace wall can improve thermal efficiency and protect the furnace wall, prolonging the service life of the furnace wall. The exis...

Claims

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Application Information

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IPC IPC(8): F27D1/10F27D1/16
CPCF27D1/10F27D1/1621
Inventor 林文豪王家楣
Owner 林文豪
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