Frozen sublimation drying equipment which consists of several systems
the heating system: for heating the freeze-drying room shelf, to promote the material within the ice sublimation, direct and indirect heating in two ways, direct heating is the direct heating in the box inside the shelf, indirect heating is the use of electricity Or other heat source heat transfer medium, and then pass it into the shelf.
the vacuum system: by the freeze-drying room, condenser, vacuum valves and pipes, vacuum equipment and vacuum instrument composition, the current vacuum equipment is extremely combination of three: the Roots pump, cryogenic condenser, and multi-stage steam ejector, which , Multi-stage steam ejector structure is simple, no mechanical power, easy maintenance, low failure rate, the material requirements are not high, usually need to set 4-5 level.
refrigeration system: refrigeration unit and freeze-drying chamber, the condenser inside the evaporator and other components. Chillers can be independent of two sets, that is, a set for the freeze-drying room, a set for the condenser, can also be combined with a set of freezer.
Frozen Sublimation Drying equipment consists of refrigeration system, vacuum system, heating system and control system.
the control system: the control system consists of a variety of monitoring the original, an umbrella device, instrumentation and other components, a higher degree of automation control system can be set by the freeze-drying process automatically operate, while the vacuum, heating plate temperature and cooling System monitoring and alarm, record all kinds of data.
