Double cone rotary vacuum dryer is a new type of dryer drying in one of the mixed -. The condenser, vacuum pump and drying system, vacuum drying device. (such as the solvent to be recovered, the condenser can not) this machine has advanced design, simple structure, easy cleaning, the material can be fully discharged, simple operation. Can reduce the labor intensity and improve the working environment. At the same time because the container itself rotary material material also rotates but the container does not accumulate material, the heat transfer coefficient is high, the drying rate are high, not only to save energy, and even drying of the material fully, good quality. Can be widely used in pharmaceutical, chemical materials, food, dyestuff industry drying. In conformity with the requirements of the "GMP".
Double cone rotary vacuum dryer for latent heat of sublimation to the material: composed of refrigeration system, vacuum system, heating system, electric instrument control system. The main components of drying chamber, condenser, chiller, vacuum pump, heating / cooling device. Its working principle is to be dry goods to freeze to the triple point temperature below, then the solid water in articles under vacuum conditions (ice) to sublimate directly into water vapor, excluded from the goods, the goods dry. Material is fed into the pre treated by freezing, frozen storage, and then into the drying chamber sublimation dehydration, after the processing workshop and the packing in the post. Vacuum system low pressure conditions for the sublimation drying chamber, the heating system with latent heat of sublimation to material, refrigeration system to provide the required cooling capacity to the cold trap and a drying chamber. Efficient collector water well used, and can realize fast defrosting; using high vacuum unit, and can realize the separation of oil and water; the parallel central refrigerating system, multi-channel cooling on demand, stable operation, saving energy; the use of artificial intelligence control, high control accuracy, convenient operation.
Flavors for double cone rotary dryer is a new generation of drying device I plant in the domestic similar products with technology development, the double cone vacuum belt, chain two elastic connection mode, so the smooth operation of equipment. Process design, fully embodies the good two concentric shafts rotating joints, heat medium and vacuum system are reliable mechanical seal or USA technology. On this basis, we developed the SZG-A it can be stepless speed regulation, but also can control the temperature.
Double cone rotary vacuum dryer diffusion to the low-pressure space vacuum chamber in overcoming the mutual attraction between molecules, pumped out by the vacuum pump and complete separation and solid, the cylinder pressure is always lower than the atmospheric pressure, less number of gas molecules, low density, low oxygen, so do dry easy oxidation of drugs, reduce material bacteria infection opportunity.
Double cone rotary vacuum dryer jacket heat transfer coefficient U is independent of operating pressure, dry material often for granular, powder or solid bulk material, and with the material moisture in different cause dry gap between material particles are different, when the material pile inclined surface and the bottom surface of the angle between the increases to a certain angle when the material, side sliding down the phenomenon.
Typically, rotating speed double cone rotary vacuum dryer cylinder and the drying speed is proportional to the. But in the late stage of drying, with the decline in moisture content, drying rate also decreased, the speed of unprofitable. In addition, in the early period of drying, spinning speed, easy to cause the moisture vaporization too fast and material bonded into a group phenomenon.
Double cone rotary vacuum dryer jacket demand convective heat transfer and provide heat and cold, so the jacket will fire twofold day experience. |
