A SMALL WIDEBAND MICROWAVE HIGH TEMPERATURE HEATING APPARATUS - ZHENGZHOU DELANGNENG MICROWAVE TECH CO LTD

Title:

A SMALL WIDEBAND MICROWAVE HIGH TEMPERATURE HEATING APPARATUS

Document Type and Number:

WIPO Patent Application WO/2017/107280

Kind Code:

A1

Abstract:

A small wideband microwave high temperature heating apparatus comprising a furnace, a microwave source (4), and a microwave transmission device. The furnace comprises a furnace body (1), a furnace cover (2) on the top of the furnace body (1), an inner chamber (1-2) inside the furnace body (1), a thermocouple (3) inside the inner chamber (1-2), and a helical antenna (1-3) around the inner chamber (1-2). The central line of the helical antenna (1-3) is parallel to the axis of the thermocouple (3). The helical antenna extends out of the furnace body (1) and is connected to a microwave transmitting device. The microwave transmitting device is connected to a microwave source (4). The furnace cover (2) has an intake vent (2-1) and an exhaust vent (2-2). An insulating layer (1-1) is between the inner chamber (1-2) and the furnace body (1). A sealing device (12) is situated between the furnace body (1) and the furnace cover (2) and is located on the inside of a microwave shielding device (13). The sealing device (12) is made from a rubber sealing ring, and the microwave shielding device (13) is made from a copper wire mesh microwave shielding ring. Using the helical antenna (1-3) to radiate inside a cylindrical microwave resonant cavity with a wide working bandwidth can maintain microwave power despite the small size thereof.

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Inventors:

LIU XINBAO (CN)
JIA XIAOLIN (CN)
LIU YUFEI (CN)
CAI JUNMING (CN)
CHEN CHEN (CN)

Application Number:

PCT/CN2016/071694

Publication Date:

June 29, 2017

Filing Date:

January 22, 2016

Export Citation:

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Assignee:

ZHENGZHOU DELANGNENG MICROWAVE TECH CO LTD (CN)
LIU XINBAO (CN)

International Classes:

H05B6/72; F24C7/02

Foreign References:

CN105509468A	2016-04-20
US20100051612A1	2010-03-04
CN104869679A	2015-08-26
CN102415211A	2012-04-11

Attorney, Agent or Firm:

ZHENGZHOU HUAXIANG PATENT AGENT FIRM (ORDINARY PARTNERSHIP) (CN)

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