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Muffle furnace

A muffle furnace and furnace technology, applied in muffle furnaces, furnaces, cooking furnaces, etc., can solve the problems of unsuitable requirements, loss of heat energy, etc., and achieve the effect of less heat loss, good thermal insulation effect and small area

Pending Publication Date: 2022-04-15
SUZHOU BOFEIKE ANALYTICAL TECH SERVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of opening the door to check the sample in the middle of work, a large amount of heat energy is lost, which has become increasingly unsuitable for the requirements of heat treatment in modern chemical analysis.

Method used

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Embodiment Construction

[0022] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0023] See attached Figure 1-6 As shown, a muffle furnace in this embodiment includes a bottom wall 6, a side wall 1 and a cover body 7, the side wall 1 is in the shape of a cylinder, the bottom end of the side wall 1 is connected to the bottom wall 6, and the cover body 7 Covered on the top of the side wall 1, the inner side of the side wall 1 is provided with a heating assembly 2 and a furnace 3, the upper end of the furnace 3 is embedded with an inner cover 4, the inner cover 4 can rotate at the upper end of the furnace 3, and the inner cover 4 A mouth 41 is provided, and the inner plug 5 is filled in the mouth 41 .

[0024] By embedding the...

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Abstract

The muffle furnace comprises a bottom wall, a side wall and a cover body, the side wall is in a cylindrical shape, the bottom end of the side wall is connected with the bottom wall, the cover body covers the top end of the side wall, a heating assembly and a hearth are arranged on the inner side of the side wall, an inner cover is embedded in the upper end of the hearth and can rotate at the upper end of the hearth, an opening part is formed in the inner cover, and the opening part is connected with the side wall. And an inner plug is filled in the opening part. Compared with the prior art, the boiler has the beneficial effects that the inner cover is embedded at the upper end of the hearth, so that heat can be prevented from penetrating through the cover body and spreading outwards. An opening part is formed in an inner cover, and an inner plug is filled in the opening part. When the sample in the hearth needs to be taken out, the inner plug is taken down, and the sample can be taken out by extending crucible tongs into the inlet part. The exposed area of the hearth is small, heat loss is little, and the heat preservation effect is good. As the inner cover can rotate at the upper end of the hearth, the opening part can be conveniently aligned with the sample, and the samples at different positions can be taken out.

Description

technical field [0001] The invention relates to a muffle furnace, in particular to a heat preservation structure of the muffle furnace, and belongs to the field of experimental equipment. Background technique [0002] Muffle furnace is a kind of commonly used heating equipment, which is specially used in industrial and mining enterprises for melting test, heat treatment, annealing, quenching and other tests, and other heating equipment requiring high temperature. It is widely used. The muffle furnace with conventional structure is heavy in design and difficult to install the resistance wire. A large amount of heat energy is lost in the process of opening the door to check the sample in the middle of work, which has become increasingly unsuitable for the requirements of heat treatment in modern chemical analysis. Contents of the invention [0003] In order to overcome the above disadvantages, the object of the present invention is to provide a muffle furnace. It has the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B5/00F27B5/06F27B5/08F27B5/14F27D1/18F27D11/02
Inventor 刘焱何永强
Owner SUZHOU BOFEIKE ANALYTICAL TECH SERVICE CO LTD