A high-efficiency and energy-saving double-layer fluidized bed drying device
A fluidized bed drying, high-efficiency and energy-saving technology, applied in the directions of drying gas arrangement, drying solid materials, heating to dry solid materials, etc., can solve the problem of affecting the thermal energy utilization rate of the bed, affecting the drying efficiency of the fluidized bed, and poor drying effect of materials. and other problems, to achieve the effect of simple structure, convenient transformation and easy maintenance
Inactive Publication Date: 2019-02-05
JIANGSU UNIV
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Problems solved by technology
However, in the prior art, the double-layer fluidized bed mainly has the following two problems: on the one hand, the part of the bed where the hot air flow first contacts has a stronger wind force and a higher temperature; The low temperature makes the material heated unevenly in the double-layer fluidized bed, which affects the heat utilization rate of the bed and makes the drying effect of the material poor; Uniformity affects the drying efficiency of the fluidized bed
Method used
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[0024] The present invention will be further described below in conjunction with accompanying drawing:
[0025] Such as figure 1 As shown, a high-efficiency and energy-saving double-layer fluidized bed drying device includes a shell 1, and the shell 1 includes an upper cavity 3 and a lower cavity 4; the upper cavity 3 and the lower cavity 4 pass through the upper cavity. Separated by partition board 8;
[0026] The upper chamber 3 comprises an upper chamber porous partition 8, a feed pipe 10, an air outlet pipe 11, a cyclone separator 12 and a motor A14; the upper chamber porous partition 8 is arranged on the upper chamber 3 and the lower chamber At the joint of the body 4, the upper cavity porous partition 8 is spliced by two semicircular porous partitions, and the arc edge of the semicircular porous partition is movably connected with the inner wall of the housing 1, such as image 3 Shown; Motor A14 is connected with upper chamber porous partition 8, is used to control ...
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The invention provides an efficient energy-saving double-layer fluidized bed drying device. The efficient energy-saving double-layer fluidized bed drying device comprises a shell. The shell comprises an upper cavity and a lower cavity. The upper cavity is separated from the lower cavity through an upper cavity porous partition plate. The upper cavity comprises the upper cavity porous partition plate, a material inlet pipe, an air outlet, a cyclone separator and a motor A. The lower cavity comprises a control switch, an air inlet pipe, a flow control valve, a lower cavity porous partition plate, a material discharge pipe and a motor B. Through the efficient energy-saving double-layer fluidized bed drying device, the heat energy utilization rate can be effectively increased, and the drying efficiency is good.
Description
technical field [0001] The invention belongs to the technical field of chemical equipment dryers, and in particular relates to a high-efficiency and energy-saving double-layer fluidized bed drying device. Background technique [0002] Fluidized bed dryer is a kind of thermal drying equipment that effectively enhances the heat and mass transfer efficiency between multiphase materials. The dryer is to make the materials in the suspended state perform multiphase physical and chemical processes when the gas or liquid passes through its granular solid layer. React device. Compared with the fixed bed dryer, the fluidized bed dryer has the advantages of higher heat transfer performance due to its bed layer; high degree of back-mixing and strong mixing ability; continuous input and output of materials; heat and temperature are easy to control, etc. This makes the fluidized bed dryer widely and maturely used in petroleum, chemical and other fields. [0003] Due to the serious back-...
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IPC IPC(8): F26B3/08F26B21/14
CPCF26B3/082F26B21/14
Inventor 王爽夏禛王谦胡亚敏孙超群林骁驰
Owner JIANGSU UNIV