Inter-screen conveying device for dry iron powder

Abstract

The invention discloses an inter-screen conveying device for dry iron powder, and relates to the field of dry iron powder production equipment. The conveying device can assist iron powder heat dissipation. The inter-screen conveying device for dry iron powder comprises a first-level screening device, a second-level screening device, a conveying unit and protecting structures. The conveying unit isa screw conveyor comprising a conveying trough, a conveying shaft and a conveying screw. The portions, close to the two ends of the conveying trough, of the conveying shaft are conveying shaft vulnerable portions. The protecting structures correspond to the conveying shaft vulnerable portions in a one-to-one mode and each comprise a conveying shaft sleeve, a sealing seat and a pressing nut. The conveying shaft vulnerable portions are sleeved with the conveying shaft sleeves and connected with the conveying shaft sleeves through keys. The pressing nuts are connected with the conveying shaft ina threaded mode and axially press the conveying shaft sleeves. The conveying shaft sleeves are sleeved with the sealing seats which are connected with the conveying trough, and one end of each sealing seat is embedded into the conveying trough. The conveying device facilitates heat dissipation of conveyed iron powder, and can lower maintenance labor and cost advantageously.

Description

technical field [0001] The invention relates to the field of dry iron powder production equipment, in particular to a conveying device between dry iron powder sieves. Background technique [0002] The production process of dry iron powder is as follows: first bake the iron powder, and then sieve it with a vibrating sieve. Warehouse storage. In order to ensure the drying effect, the temperature of the drying equipment is controlled at a high level, resulting in a high temperature of the iron powder that comes out. During the process of conveying by the belt conveyor, the iron powder is in a static stacking state and cannot effectively dissipate heat, especially in the interior. The heat dissipation of iron powder is worse. Although the iron powder moves and disperses during the sieving process, the heat dissipation is still insufficient. This causes the iron powder to be hot when it enters the warehouse, and is oxidized during the cooling process in the warehouse, which aff...

AI Technical Summary

Problems solved by technology

In order to ensure the drying effect, the temperature of the drying equipment is controlled at a high level, resulting in a high temperature of the iron powder that comes out. During the process of conveying by a belt conveyor, the iron powder is in a static stacking state and cannot effectively dissipate heat, especially in the interior. The heat dissipation of iron powder is worse. Although the iron powder moves and disperses during the screening process, the heat dissipation is still insufficient.

This causes the iron powder to be hot when it enters the warehouse, and is oxidized during the cooling process in the warehouse, which affects the quality of the iron powder

In addition, the high temperature of iron powder will also affect the life of the belt.

Images