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Greenhouse-type solar heat pump combination drying device and method thereof

A technology of solar heat pump and combined drying, which is applied in the directions of drying gas arrangement, heating to dry solid materials, and drying solid materials, etc., which can solve the problems of heat energy loss, low energy density, and unsatisfactory production, and achieve stable operation and improved heat pump efficiency Effect

Active Publication Date: 2012-11-07
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the heat energy in the exhaust gas of this traditional structure is directly lost and cannot be recycled, and when it is suitable for industrial drying, the energy density is too low and the continuity is poor, which cannot meet the production requirements.

Method used

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  • Greenhouse-type solar heat pump combination drying device and method thereof
  • Greenhouse-type solar heat pump combination drying device and method thereof
  • Greenhouse-type solar heat pump combination drying device and method thereof

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Embodiment Construction

[0046] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0047] Such as figure 1 Shown is a schematic structural diagram of a greenhouse-type solar heat pump combined drying device according to an embodiment of the present invention; the device includes a greenhouse 1, a return air fan 5, a heat exchanger 6, a condenser 11, an evaporator 10, a fresh air fan 15, and a compressor 26. Expansion valve 25, several dampers and control center (not shown). Wherein the condenser 11, the evaporator 10, the compressor 26 and the expansion valve 25 constitute a heat pump unit.

[0048] Wherein, the greenhouse 1 is made of PC solar panels, or the top and sides of the greenhouse 1 that can be exposed to sunlight are made of PC solar panels....

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Abstract

The invention relates to solar drying devices, and particularly discloses a greenhouse-type solar heat pump combination drying device and a method thereof. The device comprises a greenhouse, an air return fan, a fresh air fan, a drying bed and a control center, wherein the air return fan is arranged inside the greenhouse, one end of the air return fan is an air return port, the other end of the air return fan is an exhaust port and penetrates through the side wall of the greenhouse to extend out of the greenhouse through an air return pipe, the fresh air fan is positioned outside the greenhouse, one end of the fresh air fan is a fresh air port, the other end of the fresh air fan is an air supply port and penetrates through the side wall of the greenhouse to extend into the greenhouse through an air supply pipe, the drying bed is arranged inside the greenhouse, and the control center is connected with the air return fan and the fresh air fan. By the greenhouse-type solar heat pump combination drying device and the method thereof, heat of solar energy can be utilized to heat and dry materials in the greenhouse in an energy-saving and high-efficiency manner.

Description

technical field [0001] The present invention relates to the technical field of solar drying devices, in particular to a greenhouse-type solar heat pump combined drying device and method. Background technique [0002] With the in-depth implementation of energy conservation and emission reduction policies, the use of solar energy is becoming more and more extensive. While developing solar power generation and other methods, the ancient solar thermal utilization has been re-emphasized. The solar energy used in the thermal utilization of solar energy is a low-grade energy. In addition to being used in water heaters, the role of solar energy in the low-temperature (<100°C) drying field is being more and more discovered. Solar drying devices are mainly divided into: greenhouse type, heat collection type and the combination of the two. Among them, the greenhouse of the greenhouse type solar drying device is a drying room, and the drying room directly receives the sun's radiant ...

Claims

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Application Information

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IPC IPC(8): F26B9/02F26B3/28F26B21/12C02F11/12
Inventor 张振涛王传奇杨鲁伟吕君
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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