Microwave drying sterilization equipment in the food industry application analysis
Sterilization equipment now on the market many of which microwave drying sterilization equipment is a very good first choice .
Microwave drying sterilization equipment Scope: heating and sterilization pastries, cooked food , fast food ; drying preservation process floss, bread, biscuits, seafood , beans, cereal grain , flour , malt, instant noodles , preserved fruit, bread crumbs , sugar , tea, tobacco, spices , Chinese and Western herbs, snacks sterilizing flour , milk and milk products, liquid seasoning ( such as soy sauce , oyster sauce, chili sauce, eggplant , etc. ) , pre-cooked poultry and seafood thaw frozen meat, seafood , food.
Rationale : the use of microwave energy to the food being processed through the thermal effect and non-thermal effects , can be various types of water were heated foods , drying, dehydration , thawing and sterilization .
Microwave drying sterilization equipment works:
Microwave source using a continuous -wave magnetron as the microwave oscillator , a crossed-field microwave magnetron tubes, electric field and a constant magnetic field perpendicular to each other . The anode magnetron resonance system is a complex , composed of many small anode blocks resonator components. Electromagnetic coupling between them there , so the anode blocks are microwave frequency selective network , the magnetron cathode emitted electrons by the electric field of the first effect , the angle of the bent flow of electrons from the cathode to the anode process, with wheel swing trajectory in the high frequency field and the electron cloud synchronization conditions, the direction of the anode to enhance electron trajectories form the electron spokes . The spoke , the electronic high-frequency fields in the synchronization , the potential energy is converted into high-frequency field , the high-frequency field amplitude increases. Magnetron start-up after the DC power stored in the resonant cavity can be converted to ultra-high frequency energy and, finally, through the waveguide output enough power microwave energy .
Microwave drying sterilization equipment features :
1 , heating, drying , sterilizing quickly and evenly ;
2 , low-temperature sterilization , sterilization thoroughly , to achieve commercial sterility ;
3 , drying , sterilizing a multi-purpose machine , energy efficient, than the far infrared devices save 30 % or more ;
4 , health and safety , pollution ; flexible operation , easy to control , small footprint.
Mainly used jujube slices, dried jujube , jujube whole , crisp jujube drying , sterilization ; whole grains baking , sterilization , insecticide ; mountain vegetables drying, sterilization ; chilli products , flowers, drying, sterilization ; dehydrated vegetables drying , sterilization ; mushroom drying , insecticide ; herbs drying, sterilization and other food processing .
Than conventional food processing, food processing microwave drying sterilization equipment has the following advantages :
1, the heat quickly . The traditional method is to use heat transfer coefficient material , from outside to inside for heat transfer , while the microwave is on the role of water-containing material both inside and outside . Therefore, uniform heating quickly , saving energy and processing time.
2, due to the rapid microwave heating , Food nutrition, chlorophyll, vitamins get a better preservation. Meanwhile , muscle sarcoplasmic content and slight variations of fiber content , fat content is relatively reduced .
3, the microwave energy to penetrate the thickness of the material must be processed , microwave drying , dehydration efficiency of the conventional method is several times to several times. At the same time , it does not destroy the nutritional content of the original material , color and flavor.
4 , microwave treatment of substance but also on the substance sterilization mildew . The use of non-thermal effect of microwaves ( biological effect ) , in a relatively low temperature , the material for rapid sterilization process , greatly extending the shelf life and reducing substances

 

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