Microwave and electric mixed heating roller kiln
A heating roller and electric heating technology, which is applied in the field of roller kiln, can solve the problems of poor matching performance of microwave heating, poor microwave absorption performance, and large reflection power.
Active Publication Date: 2012-01-25
湖南省中晟热能科技有限公司
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Problems solved by technology
Microwave heating is different from the previous four heating methods in the mechanism of action. In the experiment, the same material is heated and compared. The sintering temperature of the microwave heating material is generally lower than that of the traditional heating, the reaction speed is fast, and the quality of the sintered material is high. However, some materials have poor microwave absorption performance at low temperature, poor microwave heating matching performance, high reflection power, and low energy efficiency.
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[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0027] see figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 The furnace body 2 of the electric heating heating section and the furnace body 3 of the microwave heating section are connected through a heat-resistant stainless steel microwave suppression plate 44 and a conductive sealing ring 45. The microwave energy feeding system 9 of the body 3 and the furnace body 4 of the microwave heat preservation section is connected with a microwave control system 13, and the inlet end of the furnace body 2 of the electric heating heating section is docked with a microwave suppression section 1 for entering the kiln, and the furnace body 4 of the microwave heat preservation section is butted for cooling Section furnace body 5, the outlet end of cooling section furnace body 5 is con...
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The invention discloses a microwave and electric mixed heating roller kiln. A heating section furnace body is formed by butting a front electric heating section furnace body (2) with a rear microwave heating section furnace body (3), a heat preserving section furnace body is a microwave heat preserving section furnace body (4), and a microwave energy feeding system (9) for the microwave heating furnace body (3) and the microwave heat preserving furnace body (4) is connected with a microwave control system (13). The inlet end of the electric heating section furnace body (2) is butted with a kiln inlet microwave suppression section (1), the outlet end of a cooling section furnace body (5) is butted with a kiln outlet microwave inlet (6), and the connection of each component of the whole kiln is provided with a microwave sealing device. In the invention, the advantages of both electric heating and microwave heating are synthesized by using microwave and electric heating, and respective defects are overcome. Based on the advantages of microwave and electric mixed heating, the microwave and electric mixed heating roller kiln provided by the invention has low heating temperature, high response speed, high treatment material quality, high heating matching performance and high energy efficiency.
Description
technical field [0001] The invention relates to a roller kiln, in particular to a roller kiln with microwave and electric hybrid heating instead of traditional resistance heating, gas heating, fuel oil heating and microwave heating in the roller kiln. Background technique [0002] Roller kiln is a large-scale kiln with continuous feeding and continuous discharging. It has high production efficiency and is widely used in drying and sintering of ceramics, metallurgy, battery materials and other industries. The current heating methods are resistance heating, gas heating, oil heating and microwave heating. The structure of the traditional roller kiln is: including resistance heating, gas heating or fuel oil heating, heating section furnace body, heat preservation section furnace body, cooling section furnace body, dehumidification exhaust system, cooling exhaust system, temperature measurement and control system , Insulation system and transmission system, using resistance heat...
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Login to View More IPC IPC(8): F27B9/06F27B9/30F27B9/36F27B9/40
Inventor 刘专林黄彬
Owner 湖南省中晟热能科技有限公司