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Greenhouse-type drying device combining solar and sewage sources with heat pump and method

A sewage source heat pump and combined drying technology, which is applied in dehydration/drying/concentrated sludge treatment, energy wastewater treatment, etc., can solve the problems of heat loss, low energy density, and unsatisfactory production, so as to increase the speed and improve the efficiency of the heat pump Effect

Inactive Publication Date: 2012-11-07
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Abstract
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  • Claims
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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 drying device combining solar and sewage sources with heat pump and method
  • Greenhouse-type drying device combining solar and sewage sources with heat pump and method
  • Greenhouse-type drying device combining solar and sewage sources with heat pump and method

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Embodiment Construction

[0045] 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.

[0046] Such as figure 1 As shown, it is a schematic structural diagram of a greenhouse-type solar-energy-sewage source heat pump combined drying device according to an embodiment of the present invention. The ground radiation mechanism in 1 is used to transfer the heat from the outside to the greenhouse; the heat pump unit connected to the ground radiation mechanism outside the greenhouse 1 is used to absorb the heat from the sewage from the sewage treatment plant and use the heat to treat the water. For heating, use water to conduct heat into the greenhouse 1 . Also included is a control center (not shown) located outside the greenhouse 1 . The ground radiant mechanism...

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Abstract

The invention relates to the technical field of solar drying devices, and specifically discloses a greenhouse-type drying device combining solar and sewage sources with a heat pump and a method. The device comprises: a greenhouse gas having an air inlet and an air outlet; a drying bed arranged in the greenhouse; the heat pump, arranged outside the greenhouse, for absorbing heat of external mediums, and making use of the heat to heat liquid working mediums; a ground radiation mechanism arranged under the drying bed, connected with the heat pump unit, and used for heating the material and air in the greenhouse by using the liquid working mediums; and a control center connected with the heat pump unit for controlling the heat pump unit based on solar intensity. The drying device can be energy-saving and efficient in making use of the heat of solar and sewage to heat and dry the materials in the greenhouse.

Description

technical field [0001] The invention relates to the technical field of solar drying devices, in particular to a greenhouse-type solar sewage source 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 ra...

Claims

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Application Information

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IPC IPC(8): C02F11/12
CPCY02W10/37
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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