The traditional drying technology already can not meet the requirement of the higher dry requirments with the development of science and technology, such as biological products, composite materials, nano materials, biomedical materials and the emergence of new products.
And microwave drying technology has showed significant superiority in the chemical material industry, agricultural product processing industry and other industries.It has to be a technology that adapt to the new product requirements.
Here’s a brief introduction of Industrial microwave Equipment.
Advantages of microwave drying chemical materials equipment:
1.Microwave heating makes the heated object itself become the heating element, which is called the overall heating mode, and does not need the process of heat conduction.
The overall heating method can achieve uniform heating in a short time, so that the material with poor heat conduction can be heated and dried rapidly, the energy consumption is usually reduced by more than 50%, but also can reduce the area of drying equipment, reduce the investment of site fee.
2.Our safe and reliable microwave shielding design guarantees the microwave leakage per square centimeter less than 2mw, far lower than the national standard.
3.Chemical material Industrial microwave Equipment realizes non-pollution and uniform drying of material while greatly reducing drying temperature;
4.Chemical material Industrial microwave Equipment won’t generate heat, waste water and waste gas, and truly realize safe and clean production.
Examples of the wide application of microwave drying process:
|High moisture viscous material||drying|
|Powder, particle, sheet, strip, plate, small billet materials||drying|
|Solid wastes such as sludge||Drying,sterilizing|
|Food, medicine, medical raw materials||Drying,sterilizing|
|Foam material||Heat treatment|
|Catalyst||Activate the regeneration|
That’s say, There are many drying equipment have same function as Industrial microwave Equipment,such as instant noodle dryers, grain dryers and pet food dryers.
Description of chemical material Industrial microwave Equipment:
|Name||Industrial microwave Equipment|
|Microwave leakage||≤3Mw/ sq.cm||Microwave frequency||2450±50 MHz|
|Application||Chemical material industry||Voltage||380V / 50HZ / 3PH|
Traditional drying process:
Traditional drying process is either large equipment, high drying cost, or slow drying speed, small processing capacity.
Traditional drying methods such as fire, air, steam, electric heating, are external heating drying, after material surface absorbing heat, the heat permeate to the material interior through heat conduction, and then heating drying.
In the traditional drying process, in order to improve the drying speed, the external temperature should be increased, and the temperature gradient should be increased.However, it is easy to produce the phenomenon of external drying and internal moisture.
The heart of Industrial microwave Equipment is the microwave heater, and the microwave drying frequency is currently 915 MHZ and 2450 MHZ.
Microwave drying sterilization equipment belong to the non-standard custom classes machinery, chemical materials dedicated microwave drying is according to the shape of the material, material size, moisture content (initial moisture content, the final moisture content) or bacteria content (initial bacteria content, eventually contain bacteria rate) and product properties of heat-resistant, material moisture gradient and material of microwave features that its dielectric constant.
Wet materials in a very short period of oscillation of high frequency electric field, the water molecules inside are polarized and aligned in the direction of the microwave electric field, and then quickly rotate along with the high frequency alternating electric field changes the direction of the interaction, and generate intense collision and friction (up to hundreds of millions of times per second).
The result is part of the microwave energy turn into kinetic energy, and in the form of heat, make water temperature rise and leave the material, so that the material get dry. That is to say, after microwave into the material and is absorbed, the energy inside the dielectric material is transformed into heat energy.
Compared with the traditional way of drying,microwave equipment, such as microwave drying machine chemical materials and microwave sterilization equipment has the advantages of high drying rate, energy saving, high efficiency, uniform dry, clean production and easy to realize automatic control and improve product quality. Thus microwave equipment is paid more and more attention in drying fields.
In recent years, the research and application of the microwave technology level has greatly improved, mechanical design more reasonable, quality improvement, cost gradually decrease, degree of automation and after-sales services are progressed. The users of Industrial microwave Equipment present a growth trend.