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Coil tumbling solar dryer with auxiliary heating

An auxiliary heating and solar energy technology, applied in solar thermal power generation, solar thermal installations, dry gas arrangement, etc., can solve the problems of low utilization rate of solar energy, decreased product quality and high cost

Inactive Publication Date: 2012-08-01
ZHENJIANG XINMENGXI ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the field of crop drying, the common drying heat sources are mostly coal or oil heating, and the temperature of the hot air is around 200°C, which will easily lead to a decline in product quality
[0003] At present, there are many patents on solar dryers, but due to the low utilization rate of solar energy and high cost, it has yet to be promoted.

Method used

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  • Coil tumbling solar dryer with auxiliary heating
  • Coil tumbling solar dryer with auxiliary heating
  • Coil tumbling solar dryer with auxiliary heating

Examples

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Embodiment Construction

[0015] The embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0016] In this device, a serpentine solar air heat collector 1 is used as a main heat source, and an air heating furnace 2 is used as an auxiliary heat source. The ventilation pipes of the heat collector and the heating furnace are respectively equipped with valves. When the light is sufficient, the blower fan 3 is started, and the hot air is extracted from the coil type solar air heat collector 1 and sent to the tumbling drying bin 4 to dry goods. Outside air enters the serpentine elbow 11 from the air inlet 7 at the upper end of the serpentine solar air heat collector 1 , and after absorbing heat in the serpentine elbow 11 , enters the fan 3 through the air outlet 8 of the heat collector through the ventilation duct 2 . The tumbling drying bin 4 rolls under the drive of the motor 6, so that the dried objects inside are also tumbling thereupon. Th...

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Abstract

The invention discloses a coil tumbling solar dryer with auxiliary heating, which comprises a solar heat collector, a fan, pipelines, a tumbling drying bin, an air heating furnace and a motor. A coil is welded on the back of a heat collecting plate of the heat collector, rollers are arranged on a holder of the drying bin, and the drying bin is connected with the motor through a gear structure and can roll under drive of the motor. Teeth are uniformly and circumferentially distributed inside the drying bin and can drive the dried articles to tumble, and the air heating furnace serving as an auxiliary heat source can guarantee all-weather operation of the dryer. The drying temperature of the solar dryer is about 30-50 DEG C, so that the quality of dried products is guaranteed.

Description

1. Technical field [0001] The invention relates to solar heat utilization technology and crop drying technology, in particular to a solar dryer which combines a coiled solar air heat collector, an air heating furnace and a tumbling drying bin and drives the drying bin to rotate with a motor. 2. Background technology [0002] In the field of crop drying, most common drying heat sources are coal or oil heating, and the temperature of the hot air is around 200°C, which may easily lead to a decline in product quality. [0003] There are many patents about solar dryers at present, but due to reasons such as low utilization rate of solar energy and high cost, they still need to be popularized. A few existing related patents are listed below: [0004] The patent "rapid high-temperature solar dryer" (application number: 200620057287.2) proposes a solar dryer, the heat collecting part of which is a heat collecting plate, the air flows through the channel between the plate and the tr...

Claims

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Application Information

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IPC IPC(8): F26B21/00F24J2/46F24J2/50
CPCY02E10/40
Inventor 王金平
Owner ZHENJIANG XINMENGXI ENERGY TECH
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