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Microwave pressure sintering furnace

A technology of pressure sintering and microwave, applied in furnaces, muffle furnaces, cooking furnaces, etc., can solve problems such as difficult to meet the scale-up production, reduce the influence of weakening reaction effect, reduce the difficulty of pressure design and processing, uniform heating effect

Active Publication Date: 2018-04-17
湖南长仪微波科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially after large-scale production, heating often requires dozens or even hundreds of microwave feeding devices to be used at the same time, which poses new challenges to the microwave feeding window and its pressure-bearing design
Existing implementation technologies are difficult to meet the needs of scale-up production

Method used

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Embodiment Construction

[0033] Such as figure 1 and figure 2 As shown, the present invention comprises a furnace body 1, a furnace cover 11 sealedly connected with the opening of the furnace body 1, a heat preservation device 17 and a microwave energy feeding device 9, and the microwave energy feeding device 9 includes a magnetron 2 and a microwave excitation feeding pressure bearing device;

[0034] The microwave excitation feeding pressure-bearing device includes a circular tube 3 arranged on the furnace body 1, a horn 20 located inside the furnace body 1, a conical pressure-bearing member 5 located in the cone 20, and a conical pressure-bearing member 5 that restricts the movement of the cone. The wave-transparent fixture 4;

[0035] The antenna 7 of the magnetron 2 is located in the circular tube 3, the antenna 7 and the circular tube 3 form a coaxial resonant cavity 8, and the coaxial resonant cavity 8 and the horn 20 form a microwave excitation device.

[0036] Both the furnace body 1 and t...

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Abstract

The invention discloses a microwave pressure sintering furnace which comprises a furnace body, a furnace lid connected with the opening of the furnace body in a sealing manner, an attemperator and a microwave energy feedback device, wherein the microwave energy feedback device comprises a magnetron and a microwave stimulation feeding pressure-bearing device; the microwave stimulation feeding pressure-bearing device comprises a circular pipe arranged on the furnace body, a loudspeaker in the furnace body, a cone pressure-bearing piece in the loudspeaker, and a wave-transparent fixing part capable of limiting the cone pressure-bearing piece from moving; the antenna of the magnetron is positioned in the circular pipe; and the antenna and the circular pipe form a coaxial resonant cavity. According to the microwave pressure sintering furnace, after being stimulated by the coaxial resonant cavity and the loudspeaker, microwave enters the furnace body by penetrating through the cone pressure-bearing piece to realize microwave energy feedback; the internal diameter of the circular pipe can be reduced to 5-30 mm; the cone pressure-bearing piece fits the inner wall of the loudspeaker and isfixed through the fixing part to effectively prevent pressure leakage, so that the stressed situation of the furnace body and the cone pressure-bearing piece is improved, the pressure-bearing pressuredesigning and processing difficulty of the sintering furnace and the microwave energy feedback device is greatly lowered.

Description

technical field [0001] The invention belongs to chemical and chemical reaction equipment, in particular to a microwave pressure sintering furnace. Background technique [0002] Microwave chemistry has developed rapidly in various industries such as chemistry since it emerged as a marginal science worldwide in the late 1980s. At present, both scientific research and production have higher practical requirements for microwave chemical reaction devices. How to make microwave chemical reaction devices with high efficiency, energy saving and environmental protection meet the different production needs of various industries, in terms of reaction pressure, working power, temperature control, etc. It poses new challenges to traditional microwave chemical reaction devices. [0003] Literature: Research on the key technology of frequency conversion high-temperature steam microwave ovens. It is pointed out that in general microwave reaction devices, it is difficult to find a well-coup...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B5/04F27B5/06F27B5/14
CPCF27B5/04F27B5/06F27B5/14
Inventor 李艳君
Owner 湖南长仪微波科技有限公司
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