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Method for preparing microcrystalline glass heating plate based on in-situ crystallization technology

A glass-ceramic, in-situ crystallization technology, applied in electric heating devices, appliances for boiling water, ohmic resistance heating, etc. The effect of improving binding properties

Inactive Publication Date: 2011-11-23
何小洁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The printing and low-temperature sintering technology of the electric heating glass-ceramic heating plate and its metal paste can completely solve the problems that the base of the general electric kettle is separated, there are serious safety hazards after splashing water, and the boiling water has peculiar smell.

Method used

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Embodiment Construction

[0018] Add 2g-200g of Ba+ and Si+ plasma in the ratio of 2g to 200g to the 95% alumina ceramic material, and process it into a planar heating component body through a dry pressing molding process. Inorganic ceramics, glass and other materials and infrared radiation materials are combined on the outer surface of the glass-ceramic plate through printing, sintering and other processes, and are permanently integrated with the glass plate to form an inorganic conductive resistance layer to improve the density. and dielectric properties; the resistance layer emits infrared heat after being energized and heated, forming a heat radiation source to heat through conduction and convection, thereby obtaining an advanced glass-ceramic electric kettle.

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Abstract

The invention discloses a method for preparing a microcrystalline glass heating plate based on an in-situ crystallization technology and application thereof. The method comprises the following steps of: firstly, modifying 95% alumina ceramic material by adding ions, such as Ba<+> and Si<+> and the like; secondly, compounding the modified alumina ceramic material by processes, such as printing, sintering and the like; thirdly, permanently manufacturing the compounded material and a glass plate into a whole to form an inorganic conductive resistance layer; and finally, electrifying to heat and emit infrared heat energy, forming a heat radiation source and heating in a conduction and convection manner, so as to prepare the advanced microcrystalline glass heating plate. The advanced microcrystalline glass heating plate is practically applied to an electric kettle.

Description

technical field [0001] The invention belongs to the application field of modification technology of microcrystalline nano-ceramic materials, and in particular relates to a preparation method of a microcrystalline glass heating plate based on in-situ crystallization technology. Background technique [0002] In-situ controlled crystallization technology completely solves a series of difficult problems in traditional ceramic material preparation technologies such as the source of ceramic powder, powder agglomeration and dispersion, densification and grain growth during high-temperature sintering, etc. It is a new technology for the preparation of high-performance and low-cost nano-ceramics with the most industrialization prospects. [0003] At present, exquisite, practical, convenient and fast electric kettles have begun to enter thousands of households and become small household appliances for daily life. Statistics show that based on the 30% ownership rate of urban residents...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/22A47J27/21A47J36/24A47J36/04
Inventor 何小洁
Owner 何小洁
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