A kind of drying equipment for flame retardant materials of steel and wood fire doors
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 安徽双盾消防科技有限公司
- Publication Date
- 2022-04-01
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Abstract
Description
technical field
[0001] The invention relates to the technical field of steel-wood fire doors, in particular to a drying device for fire-retardant materials of steel-wood fire doors. Background technique
[0002] Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and heat insulation within a certain period of time. In addition to the function of ordinary doors, it also has the function of preventing the spread of fire and smoke, which can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel. Steel-wood fire doors are used in various fields and are widely used. The interior of the door is usually filled with a flame-retardant core board, which is usually rock wool board. The fire-resistant core board needs to be dried during processing to prevent the damp moisture inside the flame-retardant core board from causing the wooden door to deform.
[0003] At present, the flame-retardant mater...