Cleanroom drying equipment
Clean room freeze-drying equipment, including freeze-drying room, heating system, refrigeration unit, condenser and vacuum pump group, there is a tray in the freeze-drying chamber, and there are cooling pipes and heating pipes in the tray that lead to the refrigeration unit and the heating system respectively; The freezing chamber leads to the vacuum pump unit through the condenser. When drying, the...
Text label: clean room design and installation, clean room equipment, clean clean room modular drying equipment
Clean Drying Equipment
Clean room freeze-drying equipment, including freeze-drying room, heating system, refrigeration unit, condenser and vacuum pump group, there is a tray in the freeze-drying chamber, and there are cooling pipes and heating pipes in the tray that lead to the refrigeration unit and the heating system respectively; The freezer chamber leads to the vacuum pump unit through the condenser. When drying, first open the mouth of the material bottle containing the concentrated liquid, put it on the material tray of the freeze-drying chamber, close the door of the freeze-drying chamber, and the freeze-drying chamber should be sealed and air-tight; turn on the freezer unit During pre-freezing, the temperature of the material plate can reach -50°C, and the liquid in the material bottle is frozen into a solid; start the vacuum pump group to vacuumize, the vacuum degree in the freeze-drying chamber is getting higher and higher, and the solid in the material bottle begins to start. Sublimation, the sublimated steam is pumped to the condenser by the vacuum pump. Since the temperature in the condenser is lower than that of the freeze-drying chamber, the steam is condensed here, and the gas that cannot be condensed enters the vacuum pump; the sublimation requires heat, and after the sublimation starts, the temperature of the material starts Lower, in order to maintain the sublimation to continue, the heating system starts to supply heat to the feeding tray, and the temperature of the feeding tray is appropriately increased, but cannot exceed the specified value.
Low temperature vacuum drying, the product will not be deformed, nor oxidized or other reactions; the dried material can keep the original chemical composition and material form; the product is loose, easily soluble, low in water content, and easy to store for a long time; freeze-drying The disadvantage is that the investment is large, the production capacity is low, the power consumption is high, and the drying time is long. separation process. The drying speed of microwave drying is faster than that of simple heating and drying; the microwave can heat deeply into the material, so the drying is uniform and the quality is good; because only polar molecules are heated, microwave drying has a certain selectivity, and can only heat the liquid, not the solid; The drying thermal efficiency is high, up to 80%; the use of 2540MHz microwave drying also has a sterilization effect; the disadvantage is that the power consumption is high and the equipment is expensive, so the drying cost is high. Microwave drying is suitable for drying materials containing polar organic solvents or water; drying of inorganic salts. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean rooms and clean rooms.
The main components of infrared drying equipment are infrared generators, including infrared tubes, infrared lamps and plate-type far-infrared emitters; due to radiation heat transfer, the drying speed is faster than ordinary heating; infrared drying equipment is generally simpler, only need to use infrared The generator only needs to irradiate the dried material; the infrared penetration ability is poor, and the use of infrared drying must constantly turn the material; the power consumption is large; some materials are sensitive to infrared rays. This kind of drying is more suitable for: large area, drying of the surface of the material, because the infrared penetration ability is poor, the drying effect of the surface of the material is better; drying of some heat-sensitive materials.
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