1. Before the star type discharger is used, check the quantity of the lubricating oil and the type of the oil in the reducer, replace the new oil after one month of operation, and change the oil once a year. 2, connect the air source interface and check whether the interface is blocked by foreign matter, so as to ensure that the interface is clean and smooth. 3. Before the star type discharger is used, make sure that the rotated direction of the rotor is clockwise (seen from the axis of the reducer's extension, which is consistent with the arrow on the chain wheel housing). 4. Before using the star type unloader, the sprocket shell is opened to check the tensioning of the chain, and it should be checked regularly during the operation; at the same time, the chain and sprocket are coated with suitable grease. 5. During the whole use of the discharger, the pressure relief valve should be adjusted to the pressure of the material in the seal than the material pressure in the valve body 0.05MPa. The gas is a compressed air with no oil and dry.
6. During the whole use of star type discharger, the gas source at the seal always exists. Only after making sure that the valve is out of service, can the gas source be shut down.
First, the star type unloader is usually used in the pneumatic output system. For the pressure output system or the negative pressure output system, the star type discharger can supply the material continuously to the feeding tube. In order to ensure the gas and solid in the pneumatic output pipe, the gas and solid are stable, so that the pneumatic conveying can work normally. At the same time, the pressure of the upper and lower parts of the discharger can be separated to play the role of locking gas. Therefore, star type discharger is an important component in pneumatic conveying system.
Two. When the material in the upper silo is dropped by weight, it is filled in the gap between the blades and is discharged at the bottom with the rotation of the blades. Therefore, the star discharger can be discharged quantitatively and continuously.
Three, the star type discharger can be used in the material collection system as the unloading device of the bin. Star type unloader is the most advanced unloading device in China. It is often used as an important equipment in the dust removal system. It is especially suitable for dust, small particle material, and is well chosen for the engineering projects of environmental protection, metallurgy, chemical industry, grain, cement, road building, drying equipment and so on.
Four. The temperature of the material that it conveyed can reach 280 degrees C. There is a certain isolation between the bearing and the impeller at both ends, which can prevent the contact between the ultrafine powder and the bearing. The temperature of high temperature discharger conveyed material can reach 500 degrees C and connected by chain wheel. There is a certain distance between the reducer and the shell of the discharger.
The structure of star type discharger is composed of rotor impeller, shell, seal, reducer, motor and so on. The star type unloader is also called rotating feeder, lock valve, star type discharging valve, star type feeder, and wind regulator.
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