Title:
Full automatic vacuum preheating oven
Document Type and Number:
Japanese Patent JP6251803
Kind Code:
B2
Abstract:
An automatic vacuum preheating furnace comprises a furnace box, a vacuum extraction device used to evacuate the furnace box, a transporting device located inside the furnace box and used to transport materials, two opposite end of the furnace box have an opening respectively, an automatic sealing door is located on the opening, the automatic vacuum preheating furnace further includes preheating devices, each preheating devices includes a blasting device which is located under the furnace box and connected with the furnace box, and a wind returning device which is located upon the furnace box and connected with the furnace box, each blasting device includes a heating unit and a wind adjusting unit. Each wind adjusting unit includes wind boards, the wind boards are movably connected with two opposite sidewalls of the furnace box through hinges, the wind boards are multiple, and axes of the hinges of the wind boards are parallel to each other, and located on a same plane, the plane is parallel to a bottom of the furnace box. The structure of the automatic vacuum preheating furnace can vacuum preheat the materials the materials efficiently before vacuum drying.
Inventors:
Thien, Han Long
Application Number:
JP2016521637A
Publication Date:
December 20, 2017
Filing Date:
January 27, 2015
Export Citation:
Assignee:
Shenzhen Time High-Tech Equipment Company, Limited
International Classes:
F27B9/04; F26B5/04; F27B9/06; F27B9/24; F27B9/36; F27D7/06; F27D11/02
Domestic Patent References:
| JP2011253968A | ||||
| JP8295926A | ||||
| JP2001015447A | ||||
| JP2007085702A |
Foreign References:
| CN103836886A | ||||
| CN102072645A | ||||
| CN203443300U | ||||
| CN1479068A | ||||
| CN203222581U | ||||
| CN204214246U |
Attorney, Agent or Firm:
Harakenzo world patent & trademark