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A fan structure of a grain dryer and a grain drying machine

A grain dryer and fan technology, applied in the direction of drying solid materials, dryers, drying gas arrangement, etc., can solve the problems of general flexibility and the inability to adjust the fan blowing angle, so as to ensure the service life and avoid heat loss , Improve the effect of heat insulation

Active Publication Date: 2021-11-09
山西莲芯硒美农业科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the fan blowing angle of the current grain dryer cannot be adjusted, and the flexibility is average, so it is necessary to improve

Method used

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  • A fan structure of a grain dryer and a grain drying machine
  • A fan structure of a grain dryer and a grain drying machine
  • A fan structure of a grain dryer and a grain drying machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] like Figure 1-3 As shown, a fan structure of a grain dryer includes a heat-insulating air duct 1, a fan 2 and a joint bearing 3. An electric heating iron 4 is arranged inside the heat-insulating air duct 1, and the electric heating iron 4 is arranged in a spiral shape. The electric heating iron 4 is in close contact with the inner pipe wall of the heat-insulating air pipe 1, the end of the heat-insulating air pipe 1 is fixedly connected with the fan 2, and the other end of the heat-insulating air pipe 1 is provided with a duckbill nozzle 5, The electric heating iron 4 is fixedly connected with the heat-insulating air pipe 1, and the heat-insulating air pipe 1 is provided with a heat exchange tube 6, and the heat exchange pipe 6 is inserted into the area where the electric heating iron 4 is wound. 6 and the electric heating iron 4 are provided with a heat conduction rod 7, and the two ends of the heat conduction rod 7 are respectively welded to the heat exchange tube 6 ...

Embodiment 2

[0029] like Figure 1-3 As shown, a fan structure of a grain dryer includes a heat-insulating air duct 1, a fan 2 and a joint bearing 3. An electric heating iron 4 is arranged inside the heat-insulating air duct 1, and the electric heating iron 4 is arranged in a spiral shape. The electric heating iron 4 is in close contact with the inner pipe wall of the heat-insulating air pipe 1, the end of the heat-insulating air pipe 1 is fixedly connected with the fan 2, and the other end of the heat-insulating air pipe 1 is provided with a duckbill nozzle 5, The electric heating iron 4 is fixedly connected with the heat-insulating air pipe 1, and the heat-insulating air pipe 1 is provided with a heat exchange tube 6, and the heat exchange pipe 6 is inserted into the area where the electric heating iron 4 is wound. 6 and the electric heating iron 4 are provided with a heat conduction rod 7, and the two ends of the heat conduction rod 7 are respectively welded to the heat exchange tube 6 ...

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Abstract

The invention discloses a fan structure of a grain drying machine and a grain drying machine, which include a heat-insulating air duct, a fan and joint bearings. An electric heating iron is arranged in the heat-insulating air duct, and the electric heating iron is arranged in a spiral shape. The iron is closely attached to the inner pipe wall of the heat-insulating air pipe, the end of the heat-insulating air pipe is fixedly connected with the fan, the other end of the heat-insulating air pipe is provided with a duckbill nozzle, and the electric heating iron and the heat-insulating air pipe Fixed connection, the heat-insulating air pipe is provided with a heat exchange tube, the heat exchange tube is inserted into the area where the electric heating iron is wound, and a heat conduction rod is arranged between the heat exchange pipe and the electric heating iron, and the two ends of the heat conduction rod Welded with the heat exchange tube and the electric heating iron respectively, the heat exchange tube is suspended in the area where the electric heating iron is wound through the heat conduction rod, the heat exchange tube is provided with punching holes, the heat insulation air pipe passes through the joint bearing, The heat-insulating air pipe is fixedly connected with the joint bearing; the fan structure of the grain dryer has good adjustability of blowing angle.

Description

technical field [0001] The invention relates to a fan structure of a grain drying machine and the grain drying machine. Background technique [0002] When the grain dryer is working, the motor drives the impeller of the axial flow fan to rotate at a high speed, so that the hot air generated by the combustion of the coal furnace is sucked into the fan through the upper part of the baffle plate, and forms a mixture with the cold air sucked into the fan from the lower part of the baffle plate, and passes through the windshield pipe After entering the stacking rack, it diffuses. When the mixed gas passes through the grain layer on the stacking rack, the temperature of the millet is increased appropriately, and a large amount of water vapor is taken away to gradually dry the millet. [0003] However, the blowing angle of the fan of the current grain dryer cannot be adjusted, and the flexibility is average, so it is necessary to improve it. Contents of the invention [0004] Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H3/04F24H9/18F24H9/20F24H9/00F26B21/00F26B25/00
CPCF24H3/0405F24H9/0052F24H9/1863F24H9/2071F26B21/001F26B25/00
Inventor 不公告发明人
Owner 山西莲芯硒美农业科技开发有限公司
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