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Atmosphere bell-type furnace

An atmosphere bell and bell furnace technology, which is applied in the field of sintering furnaces for electronic products, can solve the problems of gas mixing ratio, unevenness, and low automation of atmosphere bell furnaces, achieve uniform and stable atmosphere, improve cooling efficiency, increase The effect of contact area

Pending Publication Date: 2017-07-14
SUZHOU KILN-PARTNER MASCH TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the atmosphere bell furnaces on the market have a low degree of automation, and the mixing amount of the protective gas flow and air flow cannot be adjusted before the mixed gas enters the furnace body. less than better sintering effect

Method used

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Embodiment Construction

[0032] The best implementation mode of the present invention will be described below with reference to the accompanying drawings.

[0033] Such as Figure 1 to Figure 9 As shown, a kind of atmosphere bell jar furnace of the present invention comprises furnace body 1, and furnace body 1 is a hollow structure installed on the furnace frame 2, and the inner cavity is set as furnace, and the bottom of furnace body 1 is provided with as movable The kiln car 3 of the furnace door, and when the kiln car 3 is closed as a movable furnace door, it can form a sealed connection with the furnace body 1. A high-temperature refractory material layer is provided on the top of the furnace and the inner walls around it. A connected gas outlet 11, the bottom side wall of the furnace body 1 is uniformly provided with a gas inlet 12 communicating with the furnace hearth along the circumference of the furnace body 1, and the gas inlet 12 is respectively provided with a mixing chamber communicating ...

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Abstract

The invention provides an atmosphere bell-type furnace, and relates to the technical field of sintering furnaces of electronic products. The atmosphere bell-type furnace comprises a furnace body, wherein a gas outlet communicated with the hearth is formed in the top of the furnace body; gas inlets communicated with the hearth are uniformly formed in the side wall at the bottom of the furnace body in the circumferential direction; a mixing chamber communicated with the gas inlets is arranged at each of the gas inlets; a gas circulating system is further arranged on the furnace body; one end of the gas circulating system is connected with the gas outlet; the other end of the gas circulating system is connected with the each of the mixing chambers; a mixed gas regulating system is also arranged on the furnace body; the mixed gas regulating system is connected with each of the mixing chambers; an oxygen content analysis system is arranged in the furnace body; the oxygen content analysis system is connected with the mixed gas regulating system. According to the atmosphere bell-type furnace, before a mixed gas enters the furnace body, the mixing volume of a nitrogen flow and an air flow is regulated, so that gases entering the furnace body can be mixed uniformly in proportion, and the product can achieve a better sintering effect.

Description

technical field [0001] The invention relates to the technical field of sintering furnaces for electronic products, in particular to an atmosphere bell furnace. Background technique [0002] With the increasing development of electronic products, the requirements for the performance and quality of electronic product components are getting higher and higher, and soft ferrite materials are one of them. The material is more and more inclined to high quality requirements, small batches, short production cycles and other requirements. Compared with the previous pusher furnace, the bell furnace trades time for space, and completes a series of control of atmosphere concentration and ambient temperature in a smaller space. This meets the market requirements of modern ferrite materials such as small batch, high quality and short cycle. [0003] Atmosphere bell furnace series equipment is mainly suitable for high-temperature sintering processes of electronic ceramics (functional cera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B11/00F27D19/00
CPCF27B11/00F27D19/00F27D2019/0018
Inventor 黄立刚张跃进
Owner SUZHOU KILN-PARTNER MASCH TECH CO LTD
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