Various process applications of vacuum equipment
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What are the general categories of vacuum equipment, and in what types of processes are they used? What is the typical level of vacuum required for different processes (vacuum for material extraction, vacuum for dust prevention, vacuum for drying, vacuum for concentration)? . . . . . Anything else? ）
Vacuum melting furnace, vacuum sintering furnace, vacuum packaging machine
This depends on whether it is a rough vacuum or a high-purity vacuum; different applications require different levels of vacuum. The most common applications I’ve seen are vacuum distillation (distillation under reduced pressure) and vacuum concentration. For vacuum distillation, the level of vacuum required is determined by the boiling point of the materials to be separated – different vacuum levels enable the separation of different materials, thereby allowing the separation of two or more mutually soluble substances. The same principle applies to vacuum concentration, although the required vacuum level is not as stringent. Therefore, the vacuum level needed for various processes must be determined based on the properties of the materials being processed.