Bell-type furnace

A kind of technology of bell furnace and furnace door

Pending Publication Date: 2019-01-18
HUNAN JINLU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The protective atmosphere feeding device of the existing bell furnace is only provided with an air inlet on the side wall of the furnace, but no air inlet is provided on the movable furnace door, and the protective atmosphere is only passed through the air intake from the side wall of the furnace. The air inlet only enters the furnace. Although this air intake method is simple in structure and convenient in maintenance, it is not conduciv...

Method used

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  • Bell-type furnace
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Embodiment Construction

[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] Such as Figure 1 to Figure 3 As shown, the bell furnace of the present embodiment includes a furnace body 1 with a furnace 11, a movable furnace door 2 (usually a kiln car) for closing the furnace mouth of the furnace 11 and a protective furnace for passing into the furnace 11. The air intake device of the atmosphere, the movable furnace door 2 is provided with a number of air inlets 3 for introducing the protective atmosphere into the furnace 11, and all the air inlets 3 are connected with the gas source for supplying the protective atmosphere. The bell furnace is provided with an air inlet 3 connected to the gas source on the movable furnace door 2, and the protective atmosphere can be passed into the furnace 11 from the bottom of the furnace 11, which can not only improve the uniformity of the protective atmosphere in the f...

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Abstract

The invention discloses a bell-type furnace which comprises a furnace body with a hearth, a movable furnace door for sealing a furnace opening of the hearth and an air inlet device for introducing protective atmosphere into the hearth. A plurality of air inlets for introducing the protective atmosphere into the hearth are formed in the movable furnace door, and all the air inlets are connected with an air source supplying the protective atmosphere. The bell-type furnace has the advantages of being simple in structure, low in cost, easy to install and maintain, good in temperature and atmosphere uniformity, capable of improving the product quality and the like.

Description

technical field [0001] The invention relates to the technical field of heat treatment equipment, in particular to a bell furnace. Background technique [0002] The bell furnace is a common equipment for material heat treatment. It includes a furnace body and a movable furnace door. The furnace body has a furnace, and the furnace is provided with a furnace mouth that opens downward. Form a sealed connection with the furnace body. In order to ensure the product quality, when heat treating special materials such as sendust, it is necessary to install a protective atmosphere introduction device to introduce the protective atmosphere into the furnace, so as to form an environment full of protective atmosphere in the furnace. The protective atmosphere feeding device of the existing bell furnace is only provided with an air inlet on the side wall of the furnace, but no air inlet is provided on the movable furnace door, and the protective atmosphere is only passed through the air i...

Claims

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Application Information

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IPC IPC(8): F27B11/00F27D1/18F27D21/00
CPCF27B11/00F27D1/1858F27D21/00F27D2021/0057
Inventor 欧阳建杨克辉宇文静
Owner HUNAN JINLU TECH CO LTD
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