Microwave irradiating and heating device

Patent metadata

Field	Value
Publication number	US-9823019-B2
Application number	US-201515319666-A
Country	US
Kind code	B2
Filing date	Apr 16, 2015
Priority date	Jul 17, 2014
Publication date	Nov 21, 2017
Grant date	Nov 21, 2017

Abstract

A microwave irradiating and heating device including a reaction furnace for containing a sample material to be irradiated with microwave and to be heated, a lid provided for the reaction furnace and having a single hole, a microwave irradiating source for emitting a microwave, the microwave irradiating source being disposed outside the reaction furnace, and a rotated quadric surface mirror for reflecting the microwave emitted from the microwave irradiating source into the reaction furnace through the hole of the lid, the rotated quadric surface mirror being disposed above the reaction furnace.

First claim

The invention claimed is:

1. A microwave irradiating and heating device comprising:
a reaction furnace for containing a sample material to be irradiated with microwave and to be heated;
a lid provided for the reaction furnace and having a single hole;
a microwave irradiating source for emitting a microwave, the microwave irradiating source being disposed outside the reaction furnace;
a rotated quadric surface mirror for reflecting the microwave emitted from the microwave irradiating source into the reaction furnace through the hole of the lid, the rotated quadric surface mirror being disposed above the reaction furnace; and
a rugged portion for reflecting irregularly the microwave, the rugged portion being provided on a surface of the lid, facing an interior space of the reaction furnace, in an area other than the hole on the surface.

2. The microwave irradiating and heating device according to claim 1 , further comprising another rugged portion for reflecting irregularly the microwave, the rugged portion being provided on an inside wall of the reaction furnace.

3. The microwave irradiating and heating device according to claim 1 , further comprising a cover provided for the hole of the lid, the cover allowing the microwave to pass therethrough.

4. The microwave irradiating and heating device according to claim 1 , further comprising a heater for heating the reaction furnace, the heater being disposed outside the reaction furnace.

5. The microwave irradiating and heating device according to claim 1 , wherein the microwave irradiating source is an active phased array antenna that can adjust freely an amplitude and phase of the microwave emitted therefrom.

6. A microwave irradiating and heating device comprising:
a reaction furnace for containing a sample material to be irradiated with microwave and to be heated;
a lid provided for the reaction furnace and having a single hole;
a plurality of microwave irradiating sources for emitting a microwave, the plurality of microwave irradiating sources being disposed outside the reaction furnace; and
a plurality of rotated quadric surface mirrors, each of the plurality of rotated quadric surface mirrors being provided correspondingly to each of the plurality of microwave irradiating sources, being disposed above the reaction furnace, and being for reflecting the microwaves emitted from the corresponding microwave irradiating source into the reaction furnace through the hole of the lid; and
a rugged portion for reflecting irregularly the microwave, the rugged portion being provided on a surface of the lid, facing an interior space of the reaction furnace, in an area other than the hole on the surface.

7. The microwave irradiating and heating device according to claim 6 , further comprising another rugged portion for reflecting irregularly the microwave, the rugged portion being provided on an inside wall of the reaction furnace.

8. The microwave irradiating and heating device according to claim 6 , further comprising a cover provided for the hole of the lid, the cover allowing the microwave to pass therethrough.

9. The microwave irradiating and heating device according to claim 6 , further comprising a heater for heating the reaction furnace, the heater being disposed outside the reaction furnace.

10. The microwave irradiating and heating device according to claim 6 , wherein the microwave irradiating sources are an active phased array antenna that can adjust freely an amplitude and phase of the microwave emitted therefrom.

11. A microwave irradiating and heating device comprising:
a reaction furnace for containing a sample material to be irradiated with microwave and to be heated;
a lid provided for the reaction furnace and having a plurality of holes;
a plurality of microwave irradiating sources for emitting a microwave, the plurality of microwave irradiating sources being disposed outside the reaction furnace; and
a plurality of rotated quadric surface mirrors, each of the plurality of rotated quadric surface mirrors being provided correspondingly to each of the plurality of microwave irradiating sources, being disposed above the reaction furnace, and being for reflecting the microwaves emitted from the corresponding microwave irradiating source into the reaction furnace through the respective holes of the lid; and
a rugged portion for reflecting irregularly the microwave, the rugged portion being provided on a surface of the lid, facing an interior space of the reaction furnace, in an area other than the hole on the surface.

12. The microwave irradiating and heating device according to claim 11 , further comprising another rugged portion for reflecting irregularly the microwave, the rugged portion being provided on an inside wall of the reaction furnace.

13. The microwave irradiating and heating device according to claim 11 , further comprising covers provided for the respective holes of the lid, the covers allowing the microwave to pass therethrough.

14. The microwave irradiating and heating device according to claim 11 , further comprising a heater for heating the reaction furnace, the heater being disposed outside the reaction furnace.

15. The microwave irradiating and heating device according to claim 11 , wherein the microwave irradiating sources are an active phased array antenna that can adjust freely an amplitude and phase of the microwave emitted therefrom.

Assignees

• Mitsubishi Electric Corp

Inventors

• Takikawa Michio
• Inasawa Yoshio
• Honma Yukihiro
• Sasaki Takuro

Classifications

• B01J19/126

  Microwaves · CPC title

• H05B6/80

  Apparatus for specific applications (stoves or ranges F24C7/02) · CPC title

• F27D11/12 Primary

  with electromagnetic fields acting directly on the material being heated · CPC title

• B01J2219/1266

  Microwave deflecting parts · CPC title

• B01J2219/1215

  Single reactor · CPC title