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Solar auxiliary heating type drier

An auxiliary heating and dryer technology, which is applied in the direction of preserving seeds through drying and adapting to climate change, and can solve problems such as high cost, low solar energy utilization rate, and product quality decline

Inactive Publication Date: 2012-05-02
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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Embodiment Construction

[0012] The embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0013] The device comprises two heat sources of a porous flat solar air heat collector 1 and an air heating furnace 2 . The air passage is controlled by the heat collector outlet valve 3 and the air heating furnace outlet valve 4 respectively. After the blower fan 5 starts, the hot air is extracted from the porous flat solar air heat collector 1 and the air heating furnace 2 and sent into the drying bin 6 to dry goods. The outside air enters the collector front chamber 17 from the air inlets 12 evenly distributed on both sides of the porous flat solar air heat collector 1, and enters the collector rear chamber 18 after passing through the small holes on the porous heat collector plate 14 to absorb heat. Finally, it enters the fan 5 from the outlet of the heat collector through the air outlet valve 3 of the heat collector. Outside air enters the hea...

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Abstract

The invention discloses a solar auxiliary heating type drier. The drier comprises a solar thermal collector, an air heating furnace, a fan duct and a drying bin, wherein a thermal collecting plate of the thermal collector is a porous thermal collecting plate, a porous sieve of the drying bin is placed in an inclined angle about 20 DEG, and the air heating furnace takes straws of crops as fuel. The drying temperature of the system is about 30-50 DEG C, and the quality of dried products is ensured. Moreover, the system is designed to be small and is applicable to crop drying amount of single families in villages.

Description

1. Technical field [0001] The invention relates to solar heat utilization technology and crop drying technology, in particular to a solar dryer combining a porous flat solar air heat collector, an air heating furnace and a drying chamber. 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 transparent cover to absorb heat, and enters the drying ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B9/08
CPCY02A40/90
Inventor 王金平
Owner ZHENJIANG XINMENGXI ENERGY TECH
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