Vibrated fluid bed dryer with built-in tube nest heaters
A technology of vibrating fluidized bed and dryer, which is applied in the direction of heating to dry solid materials, dryers, heating devices, etc. It can solve the problems of affecting product quality, long contact time between materials and heating tube bundles, etc., and achieve energy saving effect , compact equipment and high heat utilization
Inactive Publication Date: 2010-08-25
江阴丰力生化工程装备有限公司
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Problems solved by technology
However, in this heating method, the contact time between the material and the heating tube bundler is longer, which will cause the material to be overheated locally and affect the product quality.
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[0024] Referring to Figures 1-2, the vibrating fluidized bed dryer with built-in tube bundle heater of the present invention is mainly composed of a vibrating fluidized bed dryer 1 and a tube bundle heater 2 . The vibrating fluidized bed dryer 1 is mainly composed of a base 1.1, a bellows 1.2, a drying chamber 1.3 and a fluidized bed sieve plate 1.4. The bellows 1.2 is elastically connected upward to the base 1.1, the drying chamber 1.3 is closed and arranged above the bellows 1.2, and the fluidized bed sieve plate 1.4 is horizontally arranged at the joint between the drying chamber 1.3 and the bellows 1.2.
[0025] Three baffles 1.2.5 are vertically arranged in the bellows 1.2, and the three baffles 1.2.5 divide the inner cavity of the bellows 1.2 into four drying sections in turn, which are respectively the first drying section and the second drying section. , the third drying area and the fourth drying area, the first drying area, the second drying area, the third drying ar...
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The invention relates to a vibrated fluid bed dryer with built-in tube nest heaters, comprising the vibrated fluid bed dryer 1. The vibrated fluid bed dryer (1) comprises a base (1.1), a wind box (1.2), a drying chamber (1.3) and a fluid bed sieve plate (1.4), wherein the wind box (1.2) is internally vertically provided with three baffle plates (1.2.5) which sequentially divide an inner cavity ofthe wind box (1.2) into four drying regions; the drying chamber (1.3) arranged above the fluid bed sieve plate (1.4) is internally vertically provided with the tube nest heaters (2) which are dividedinto four groups, and the four groups of tube nest heaters (2) are arranged above the second drying region and the third drying region pairwise. By arranging the tube nest heaters in the vibrated fluid bed dryer and adopting the combination way of convection and conduction heating, the invention improves the heat transfer efficiency of the whole vibrated fluid bed dryer and ensures the heating quality of the material.
Description
(1) Technical field [0001] The present invention relates to a dryer. It is suitable for heating and drying of various solid materials. It belongs to the technical field of fluidized bed dryer equipment. (2) Background technology [0002] At present, the vibrating fluidized bed dryer uses air carrier to directly convectively heat and dry. This heating method has faster mass transfer and heat transfer rate, and does not damage the product quality. However, in the process of convective heating of the fluidized bed, a large amount of high-temperature air carrier is discharged, which takes away a lot of heat, so the heat energy The steam consumption is too large, and the heat transfer efficiency of the whole machine is low. Tube heaters use indirect conduction heating. This heating method makes full use of the latent heat of condensation of steam, with almost no heat loss, saving steam and reducing energy consumption. However, in this heating method, the material is in conta...
Claims
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IPC IPC(8): F26B3/092F26B21/00F26B23/10
Inventor 陆国民严万鹏
Owner 江阴丰力生化工程装备有限公司