Vacuum dosing machine is an online measurement dynamic metering system, set conveying, metering, dosing, quantification and other functions in one, the use of different structures of various mixing devices, so that the relative movement between powder materials, constantly change its relative position, and constantly overcome the trend of material stratification due to differences in objects.
020-34563445Vacuum batching machine is an on-line measuring and dynamic metering system, which integrates the functions of conveying, measuring, batching and dosing, etc. It utilizes the different structures of various mixing devices to produce relative motion between powder materials, constantly changing their relative positions and constantly overcoming the tendency of layering materials due to the difference of objects. Negative pressure suction conveying system is a set of low-pressure suction system combined with air locker, material and gas separator and Roots vacuum pump. Through the Roots vacuum pump (or centrifugal fan) to produce a strong negative pressure value, so that the pressure of the conveying pipeline is lower than the external environmental pressure, to avoid the leakage of toxic and harmful dust. Even if there is a broken dust leakage point in the system, it will not cause pollution to the environment. Negative pressure suction pump produced by the pipeline flow rate is low, and the powder in the suction process along the middle of the pipe flow, the pipe wall wear and tear is small. The whole system has simple equipment, compact structure, flexible process arrangement, and meets the requirements of multi-point simultaneous feeding and multi-point unloading working conditions.
Negative pressure suction conveying pump takes Roots vacuum pump (or centrifugal fan) as the power air source, and by sucking the air in the system, the conveying pipeline forms a negative pressure lower than the atmosphere. The air locker rotates at a constant speed to quantitatively feed the powder into the mixing chamber, while the strong negative pressure airflow generated by the vacuum pump forms a gas-solid two-phase flow with the powder in the mixing chamber. Under a certain flow rate, the powder is sucked along the conveying pipeline to the terminal material-air separation equipment, and the powder is separated by gravity or centrifugal force and falls into the bottom of the silo. The air is purified by the material-gas separation device and then discharged into the atmosphere by the Roots vacuum pump (or centrifugal fan).
The conveying system is widely used in chemical feeding, smelting, pesticide and electronic fields with its unique advantage of no dust leakage. Conveying equivalent distance ≤150m, vertical height ≤25m, specific gravity of heap ≤2.0t/m3, fineness of powder ≤45 mesh, water content ≤3% (based on the basis that it does not form a ball when it is released after grasping and falling freely), instantaneous temperature of powder ≤150℃.
