Phenolic foam is known as "the king of heat preservation", which was used in the insulation of missiles and rocket heads early. In recent years, due to high building, transportation, ship, aviation, space technology and other aspects of synthetic foam plastics, thermal stability and fire resistance have been put forward strict requirements, so that phenolic foam has developed more rapidly. As a new type of multi-purpose foam material, phenolic resin foam has attracted wide attention due to its advantages such as heat resistance, flame resistance, self extinguishing, flame resistance penetration, and no drop in fire.
The ingredients in herbal medicine are quite complex. They contain not only active ingredients, but also invalid ingredients. To improve the therapeutic effect of Chinese herbal medicine, it is necessary to extract its active ingredients. Extraction is directly related to the content of effective ingredients in finished products and their internal quality, the effect of jail bed and economic benefits.
he unit is composed of extraction tank, tubular heater, evaporator, condenser, oil separator, oil collector, liquid medicine pump, metering tank, liquid storage tank, filter, vacuum pump, distribution cabinet, etc. The extraction tank and the vapor outlet on the top of the evaporator are equipped with defoamer. Units without steam heating can be equipped with heat conducting oil heating system.