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Study on microwave drying characteristics of Masson Pine Wood 2018-10-22 10:52:20
Abstract: The variation of microwave drying speed, temperature gradient and moisture content gradient of Pinus massoniana wood with time was studied. The experimental results show that the microwave drying process can be divided into three stages:...
Wood microwave drying process 2018-10-22 09:59:36
The initial quality and temperature of wood were measured. The wood was heated in microwave ovens in groups. Different microwave power and intermittent heating time were set. Different stacking methods were set up to simulate the production. After the...
Study on microwave drying process of thick wood 2018-10-22 09:30:54
Abstract: through the contrast experiment of thick wood microwave drying, we explored the drying process. The field intensity distribution and heating efficiency in the two kinds of microwave chambers were measured and analyzed. The variation of...
Development of microwave drying 2018-10-20 11:24:32
With clean electricity as energy source, China has stepped into the world's largest power country because of its increasingly abundant electricity. The ratio of electricity price to coal price is gradually decreasing. Therefore, microwave drying and other...
Application relationship between wood and microwave drying 2018-10-20 10:58:47
1.1.2 Good drying quality due to the increased permeability of microwave drying equipment , in the drying process, heating uniform, the water in the wood from the inside out at the same time, so that the expansion and shrinkage coefficient of wood is...
Application of microwave heating in wood processing 2018-10-20 10:51:33
Abstract: microwave technology is widely used for its advantages of high efficiency, fast energy saving and so on. Starting with the origin and development of microwave technology and microwave heating, this paper introduces the application of microwave...
Microwave drying of wood 2018-10-20 10:33:52
Among them, the upper foot marker =1,2,3 is obvious to the lower Lake standard. All the formulas are the same as those in isotropic media, except that the principal values of polarizability tensor and dielectric tensor are different in the direction of...
Theory of microwave drying 2018-10-20 09:50:00
The resistivity of about 13-10119.cm is an excellent insulator or dielectric; air-dried wood (resistivity is 101-1099 cm) is between conductor and semiconductor; wood with moisture content above fiber saturation point (resistivity is about 10 degrees acm)...
Polarization theory of wood microwave drying 2018-10-19 16:55:35
The development of microwave drying equipment has attracted much attention in wood industry, but it is still in the stage of experimental production and scientific research. In order to understand the mechanism of microwave drying wood in theory, the...
Microwave dry exercise technology 2018-10-19 16:08:55
Wood drying is a process of drying wood by evaporation or boiling vaporization under the action of heat. The working condition of air removes moisture from wood by means of temperature. Wood drying is a characterization of wood preservation and relative...