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Microwave heating is a kind of radiation heatin.
It is the direct effect of microwaves on the object, so that the inside and outside are heated at the same time, and there is no need to transfer heat through convection or conduction, so the heating speed is fast, the thermal efficiency is high, the processing time is short, and the temperature inside and outside the material is unifor.
Therefore, Energy saving, high drying efficiency and good drying qualit.
Microwave vacuum dryer is a new type of microwave energy application equipment that combines microwave energy technology and vacuum technolog.
It combines a series of advantages of microwave and vacuum drying, and overcomes the shortcomings of long cycle and low efficiency of conventional vacuum dryin.
In the drying process, it has the advantages of low drying temperature, high output, good quality and low processing cos.
The performance characteristics of microwave vacuum dryer:High efficiency: its production efficiency is 4 times that of conventional drying;Good heat distribution: due to the selective heating of water molecules by microwaves, the internal moisture content of the material is high, and the heating is from the inside to the outsid.
, consistent with the direction of water diffusion and the temperature difference between the inside and outside is small, and there will be no uneven distribution of conventional drying heat;Easy to control: The adjustment of the vacuum degree of microwave generation can be controlled by PLC programmin.
Observe the whole process of drying;Good quality: the active ingredients are not easily decomposed and destroyed at low temperature, but also have the effect of disinfection and sterilization, which prolongs the shelf life;Can be crushed according to the user's requirements;Can deliver high viscosity And the medium containing gas and solid particles or fibers, and can also transport various corrosive media;Economical energy consumption and high degree of automatio.
Low temperature and high efficiency: It is well known that when the air pressure decreases, the boiling point of water decreases at the same tim.
For example, under a standard atmospheric pressure, the boiling point of water is 100 °C, but at 073 atmospheric pressure, the boiling point of water is 68 °.
Under vacuum conditions, heating the object can make the moisture inside the object evaporate without temperature ris.
Microwave vacuum drying heat-sensitive substances at low temperature, the drying speed is also much higher than that of conventional drying, and the ratio is generally more than ten or even dozen.
Improve quality: drying in a low temperature and oxygen-free environment can better ensure the quality of the produc.
It is the direct effect of microwaves on the object, so that the inside and outside are heated at the same time, and there is no need to transfer heat through convection or conduction, so the heating speed is fast, the thermal efficiency is high, the processing time is short, and the temperature inside and outside the material is unifor.
Therefore, Energy saving, high drying efficiency and good drying qualit.
Microwave vacuum dryer is a new type of microwave energy application equipment that combines microwave energy technology and vacuum technolog.
It combines a series of advantages of microwave and vacuum drying, and overcomes the shortcomings of long cycle and low efficiency of conventional vacuum dryin.
In the drying process, it has the advantages of low drying temperature, high output, good quality and low processing cos.
The performance characteristics of microwave vacuum dryer:High efficiency: its production efficiency is 4 times that of conventional drying;Good heat distribution: due to the selective heating of water molecules by microwaves, the internal moisture content of the material is high, and the heating is from the inside to the outsid.
, consistent with the direction of water diffusion and the temperature difference between the inside and outside is small, and there will be no uneven distribution of conventional drying heat;Easy to control: The adjustment of the vacuum degree of microwave generation can be controlled by PLC programmin.
Observe the whole process of drying;Good quality: the active ingredients are not easily decomposed and destroyed at low temperature, but also have the effect of disinfection and sterilization, which prolongs the shelf life;Can be crushed according to the user's requirements;Can deliver high viscosity And the medium containing gas and solid particles or fibers, and can also transport various corrosive media;Economical energy consumption and high degree of automatio.
Low temperature and high efficiency: It is well known that when the air pressure decreases, the boiling point of water decreases at the same tim.
For example, under a standard atmospheric pressure, the boiling point of water is 100 °C, but at 073 atmospheric pressure, the boiling point of water is 68 °.
Under vacuum conditions, heating the object can make the moisture inside the object evaporate without temperature ris.
Microwave vacuum drying heat-sensitive substances at low temperature, the drying speed is also much higher than that of conventional drying, and the ratio is generally more than ten or even dozen.
Improve quality: drying in a low temperature and oxygen-free environment can better ensure the quality of the produc.
