Powder feeding device and method

Abstract

The embodiment of the invention discloses a powder feeding device and method. The powder feeding device comprises a storage mechanism and a stirring and feeding mechanism, and the storage mechanism isused for providing powder for the stirring and feeding mechanism; the stirring and feeding mechanism comprises a powder stirring assembly and a powder discharging assembly which are sequentially arranged in a communicating mode; the powder stirring assembly is used for loosening powder, and the powder discharging assembly is used for conveying the loosened powder to the exterior of the stirring and feeding mechanism. The powder feeding method comprises the steps that powder is conveyed after being loosened and the powder stirring assembly and the powder discharging assembly are sequentially arranged in a communicating mode in the discharging direction, so the powder can be conveniently stirred in advance in the falling process of the powder stirring assembly; and when the powder further falls into the powder discharging assembly, through further stirring of the powder stirring assembly, the interior of the powder rotates relatively, loosening of the powder is achieved, discharging ofthe powder is facilitated, the loosened powder is evenly distributed, the feeding amount is consistent, and the problems of jamming and the like are effectively avoided.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of powder feeding, and in particular to a powder feeding device and method. Background technique [0002] During the production of gypsum boards, several powdery additives need to be added to gypsum powder for mixing, so the stability of the powder adding equipment will greatly affect the quality of gypsum boards. [0003] Powder adding equipment currently used such as figure 1 As shown, the powder is stored in the silo (reference number 10), and is scraped and fed into the screw feeder (reference number 30) through a scraper (reference number 20) during use to realize Quantitative addition of powder; however, this set of equipment is prone to agglomeration of materials in the silo during use, and the feed volume of the scraper is difficult to control. When the feed volume is greater than the feed volume of the screw conveyor, it is prone to jamming and other situations. Contents...

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Problems solved by technology

[0003] Powder adding equipment currently in use such as figure 1 As shown, the powder is stored in the silo (reference number 10), and is scraped and fed into the screw feeder (reference number 30) through a scraper (reference number 20) during use to realize Quantitative addition of powder; however, this set of equipment is prone to agglomeration of materials in the silo during use, and the feed volume of the scraper is difficult to control. When the feed volume is greater than the feed volume of the screw conveyor, it is prone to jamming, etc.

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