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Spiral plate hot blast stove and rape cyclone flash dryer using the hot blast stove

A spiral plate type, hot blast stove technology, applied in dryers, drying, air heaters and other directions, can solve the problems of low drying efficiency, can not meet the needs of production, small drying capacity, etc., achieve sufficient heat exchange, reduce installation Difficulty, space saving effect

Inactive Publication Date: 2017-12-22
HUNAN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the convection drying in the domestic market has low drying efficiency and small drying capacity, which cannot meet the needs of production.

Method used

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  • Spiral plate hot blast stove and rape cyclone flash dryer using the hot blast stove
  • Spiral plate hot blast stove and rape cyclone flash dryer using the hot blast stove
  • Spiral plate hot blast stove and rape cyclone flash dryer using the hot blast stove

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Embodiment Construction

[0034]The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0035] see Figure 1 to Figure 12 The cyclone flash dryer for rape in this embodiment includes a frame 1, a frequency conversion motor 2, a high-pressure centrifugal fan 3, a belt transmission group mechanism 4, a spiral plate type hot blast stove 5, a screw type K-type M6 metric thermocouple 6, a valve type Feeder 7, dryer 8, cyclone receiver 9, star unloader 10. The belt transmission group mechanism 4 includes a belt 42 and a shaft coupling 41. The casing of the shaft coupling 41 is semicircular and the rectangular plates at the extensions on both sides are screwed to the frame. The shaft of the motor 2 is connected, and the other side shaft is fixedly connected with the inner impeller 31 of the high-pressure centrifugal fan 3 . The high-pressure centrifugal fan 3 includes an impeller 31, a fan support 32, a fan casing 33, and a fan inlet pipe 98. Th...

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PUM

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Abstract

The invention discloses a spiral plate hot blast stove, which comprises a spiral plate heat exchanger, a hot blast stove shell and a furnace for heating; the spiral plate heat exchanger includes an upper spiral heat exchanger, a lower spiral heat exchanger, two upper Spiral plate, two lower spiral plates and central tube, the air to be heated flows in from the opening of the spiral channel of the upper / lower spiral heat exchanger, passes through the spiral channel of the upper and lower spiral heat exchanger, and flows from the lower / upper spiral The opening of the spiral channel of the heat exchanger flows out, and the hot air flow used for heating flows upward from the spiral channel adjacent to the above-mentioned spiral channel of the upper spiral heat exchanger and the lower spiral heat exchanger, and the two air flows in the spiral channel are connected along the spiral channel. Adjacent to the flow, this is the heat transfer for the incoming air to be heated. The heat exchange adopts the principle of radiation and convection to ensure clean hot air to dry materials. The invention also discloses a cyclone flash drying machine for rape using the spiral plate hot blast stove.

Description

technical field [0001] The invention relates to the field of agricultural machinery, in particular to a spiral plate hot blast stove and a rape cyclone flash dryer using the hot blast stove. Background technique [0002] The waste of rapeseed due to mildew in the storage of rapeseed is very serious. Since the rapeseed is harvested in the rainy season in the Yangtze River Basin, the moisture content of the harvested rapeseed is between 15% and 30%, the particle size of the rapeseed is 1.27~2.10mm, the gap between the particles is small, the heat transfer is slow, and it is not easy to lose heat. Water, plus high respiratory intensity, is prone to heat and mildew, so freshly harvested wet rapeseed must be properly dried before it can be safely stored. The efficiency of traditional natural drying of rapeseed is very low, and the process of stacking, spreading, and transporting rapeseed requires a lot of manpower, which increases the cost burden of rapeseed processing enterpris...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H3/02F26B17/18F26B21/10F26B25/00
Inventor 吴明亮吕磊任述光谢伟翁伟
Owner HUNAN AGRICULTURAL UNIV