Structure and use of unloader: The unloading device is also known as the rotary feeder and the lock valve. The unloading structure is usually composed of a rotor impeller with several blades, a housing, a seal and a reducer, an electric motor, etc.
When the material in the upper silo falls in the gap between the blades by self weight, it is unloaded with the rotation of the blade, so the discharger can be unloaded quantitatively and continuously.
The unloader is often used in the pneumatic output system. For the pressure output system or the negative pressure output system, the discharging device is evenly and continuously supplied to the feeding tube to ensure the gas in the pneumatic output tube, and the solid is stable, so that the pneumatic conveying can work normally, and at the same time, the upper and lower pressure of the discharger can be locked to the gas lock. Unloader is an important component in pneumatic conveying system. The unloader can be used in the collection material system, as the discharging device of the silo, which is often used as one of the important equipment in the dust removal system. It is especially suitable for dust. The small particle material is well chosen by environmental, metallurgical, chemical, grain, cement, road building, drying equipment and other industrial projects. The upper and lower lanestas of the discharger are basically square or circular, and can also be selected by users. The characteristic of this type of discharger is that the end of the blade is made of special wear-resistant material. It can ensure that the end of the blade is in good contact with the inner wall of the shell and can easily adjust the end of the blade after wear, so that it is still in good contact with the interior of the shell and has better gas locking performance.
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