HF working theory
With 3 phase electricity, High frequency generator generates electromagnetic fields between two
electrodes. In this field, water and glue molecules are polarized and rotated. The water molecules are
running rapidly with the frequency millions of times. The impact and friction amount molecules get heated
as soon as possible. High frequency heating is not like conductive heating, which heat material step by
step, but help object heated by friction. This is called high frequency dielectric heating-quickly, efficiently
Structure of equipment
1). High frequency generator transfer electricity into high frequency power to dry timber.
2). Vacuum tank for timber holding.
3). Feeding cart to load and upload wood material
4). Hydraulic system to press timber to keep straight.
5). Cooling system to condensate hot moisture and separate water and air.
6). Pneumatic system to control vacuum system
7). Control system
Features of High frequency vacuum wood dryer
A: High frequency is internal heating. It gets water molecules heated through friction. High frequency
wave can penetrate wood deeply and dry wood from core to wood surface wholly and uniformly. Even thick
wood can also be well heated.
B: Machine is also equipped with vacuum system. Under vacuum condition, wood moisture can be
boiled at 50-60 degree and vaporize rapidly, which can save both time and energy. Low temperature wood
drying can guarantee wood quality to avoid crack problem. Meanwhile, vacuum system will suck wood
moisture out due to pressure difference; double increased wood drying speed.
Wood Machinery Microwave Vacuum Drying Machine Part Parameters
Minimum Buy Quantity
2.938 Inch | 74.625 Millimeter
3.252 Inch | 82.6 Millimeter
4.409 Inch | 112 Millimeter
7.087 Inch | 180 Millimeter
11.024 Inch | 280 Millimeter
1.772 Inch | 45 Millimeter
1 Inch | 25.4 Millimeter
replace Seal of Microwave Drying Machine Parameter list
What is microwave drying and what use does it give to the food industry?
1、Drying fruits, vegetables and meats in the microwave is not recommended. Microwaves are designed to retain the moisture content in foods, not dry them. Also, ...
2、Mar 11, 2019 — Mass production of dry food is often accomplished through the use of ... microwave power is controlled will give the researchers insight ...
3、This review was aimed to provide a brief yet comprehensive update on prospects of microwave heating for food processing applications, with special emphasis on ...
4、Microwave drying equipment today is widely recognized in the food industry like defrost function as I normal use in my kitchen, rapidly heat up food and ...
What is oven dry method?
1、Determination of water content |Oven drying method | Procedure. It is very important in almost all soil tests, the natural moisture content of the soil is ...
2、by TA Oxley · 1960 · Cited by 24 — Abstract Water added to a soft wheat, whether as vapour (humid atmosphere) or liquid, was accurately assessed by the oven method (heating 4 h. at 113°), ...
3、Split logs and wood chips. A clear vote for the drying oven method. Georg Krämer is a pioneer when ...
4、Test Procedure of Oven Dry Method — Place the containers in hot air oven, arrange temperature to 110o ± 5o C and allow them to dry for 24 hours. · After 24 ...
How do you dehydrate in a microwave?
1、by D Wray · Cited by 20 — Microwave-osmotic dehydration of cranberries was evaluated under continuous flow medium spray (MWODS) conditions after some pretreatments.
2、Dec 12, 2020 — Why YSK: dehydrating food is a great way for keeping stuff from going bad, and adding variety to what you eat. The microwave method is ...
3、Dehydrating food takes time and essentially depends on food type, cut thickness, moisture content, and drying method. Never turn up your microwave to speed up ...
4、Microwave ovens are a fast way to dry herbs when only small quantities are to be prepared. Follow the directions that come with your microwave oven.
Do microwaves dehydrate food?
1、Nov 5, 2015 — If you don't have an appliance dedicated to dehydrating your favorite healthy snack, the defrost setting on your microwave can work in a ...
2、Another method employed to dehydrate food products and ... Microwave vacuum-drying is a rapid method that can yield products with improved quality compared ...
3、Dec 12, 2017 — For the microwave supplier, the shanghai Nasan industry can locate in china… ... to like food while dehydrate recipe using microwave system.
4、Jun 17, 2020 — One of the oldest ways to preserve food is drying or dehydrating. ... a dehydrator, air-drying certain foods, and microwaving.
What is microwave drying?
1、Apr 21, 2016 - Microwave drying is rapid, uniform and energy efficient compared to conventional hot air drying as the microwaves penetrate to the interior of the
2、Mar 4, 2019 - Medlar showed a good potential for pestil production while being the most applicable in microwave treatments. For drying kinetics, five thin-layer
3、Mar 4, 2019 - Medlar showed a good potential for pestil production while being the most applicable in microwave treatments. For drying kinetics, five thin-layer
4、Feb 11, 2014 - The basic premise is that the boiling point of a liquid is reduced at lower pressures (the boiling point of water at 40 mbar is 28 °C, for example);
Can microwave oven be used for drying?
1、Dec 12, 2017 — Exposure to ionizing radiation can alter atoms and molecules and cause ... Industry uses microwaves to dry and cure plywood, to cure rubber ...
2、Mar 12, 2012 — This is often a slow process in conventional drying, and the ... In some cases, microwaves can be used 50 percent more efficiently than ...
3、by ES Beary · 1988 · Cited by 37 — A microwave drying oven was evaluated tor potential use as ... different weight can be achieved when the oven temperature is changed, indicating that there ...
4、You can dry almost any type of wood in a microwave as long as it is small enough ... Or, use the microwave to reduce the moisture content of craft wood to ...
What is microwave vacuum drying?
1、Dec 19, 2019 - Abstract Microwave vacuum drying (MVD) was reported to be an efficient method to dehydrate vegetables. In this study, fresh okra was
2、The gory details. It's not freeze drying. The proposal is a DIY microwave vacuum dryer that consumes excess photovoltaics energy and excess heat. This is not
3、Vacuum drying is the mass transfer operation in which the moisture present in a substance, ... for fruit preservation, hybrid drying combining osmotic dehydration followed by heat pump drying and microwave-vacuum drying proved effective
4、Two strategies have been proposed in order to effectively apply microwaves for drying (Gunasekaran 1990): (1) create a vacuum in the dryer to lower the drying
Why is microwave drying is so efficient?
1、by DL Smith · 2017 · Cited by 4 — In addition to the economic need for an effective drying method for rough rice, there also exists a humanitarian need. As earth's population is steadily ...
2、demonstrated in this work, the reduction in the absolute drying time as a function of the applied microwave power is devalued by an increase in the ...
3、Microwave drying is faster and often more energy efficient than traditional methods such as kilns and convection ovens. Using the information in this ...
4、As far as the known ways of removing fresh green tea are concerned, the equipment of tea microwave machine is the most efficient.
How do you dry a microwave?
1、Sep 21, 2017 — For instant gratification in crafting, nothing beats drying flowers in the microwave. The materials are inexpensive, with the exception of ...
2、Aug 9, 2012 — Process · Place the container with the sample into a microwave and begin drying at high power setting. · Begin by using short drying periods — 2 ...
3、Sep 20, 2017 — The drying method is based on microwaves penetrating the moist material, where the microwaves are converted into heat. The moisture turns into ...
4、The heat is generated deep within the fabric to be dried. Comparison between drying with microwaves and conventional drying methods. Figure 1. Comparison ...
What is IR drying?
1、Products not containing any water can be simply dried by an infrared dryer, while water-borne inks need some hot air in addition to the IR irradiation. The ...
2、STR IR (Infra- Red) Drying Tunnels are custom configured to the drying process. Tunnel length is determined by line speed and coating characteristics.
3、Infrared drying is an indirect method of drying water-based inks or coatings that does not rely on an intermediate such as air or water.
4、Compact, high performance IR drying system and short-wave or medium-wave variable data inter-station dryers for water based on-demand ink jet imprinting and ...
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