Fuel gas pump type drying device

A drying device and pump type technology, which is applied in the direction of drying gas arrangement, drying, drying machine, etc., can solve the problems of low energy utilization rate, achieve the effect of improving the efficiency and meeting the drying demand

Pending Publication Date: 2019-08-06
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These conventional heat pump dryers are less energy efficient

Method used

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  • Fuel gas pump type drying device

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Embodiment Construction

[0020] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0021] Such as figure 1 shown. A gas pump type drying device, including a dehumidifier 17, a condenser 7, and a drying chamber that are sequentially formed into a circuit through pipes; the pipe at one end of the drying chamber near the condenser is an air supply pipe 18, and the pipe at the other end is an exhaust pipe 19 and the air return pipe 20; the port of the air exhaust pipe 19 communicates with the outside for exhaust, and the middle section communicates with t...

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Abstract

The invention discloses a fuel gas pump type drying device. The drying device includes a dehumidifier, a condenser and a drying chamber which form a loop through pipelines in order. The pipeline of one end, being close to the condenser, of the drying chamber is an air supply pipe, and the pipelines of the other end are an air exhaust pipe and an air return pipe. The end of the exhaust pipe communicates with the outside for exhausting air. The middle section of the exhaust pipe communicates with the air return pipe. The air return pipe is provided with an external air access port. Dry air in the air return pipe and outside air are mixed and then enter the dehumidifier. The device uses an internal combustion engine to drive a heat pump cycle, and waste heat of the internal combustion enginecan be utilized so as to realize a width range change of drying temperature and overcome the defect of a narrow conventional adjustment range of drying temperature of a heat pump.

Description

technical field [0001] The invention belongs to the technical field of heat pump devices, in particular to a gas pump type drying device. [0002] technical background [0003] Heat pump devices have the advantages of energy saving, safety and environmental protection. As people pay more and more attention to energy conservation and environmental protection, heat pump drying devices are used in drying materials such as seeds, wood or medicinal materials. However, the usual drying temperature is around 50°C, and other materials such as fish fillets need to be dried at a higher temperature. [0004] The heating method usually uses steam heating, fuel heating or multi-compressor heat pump drying. These conventional heat pump dryers are less energy efficient. Therefore, there is a need for a gas-fired heat pump drying device to meet the demand. Contents of the invention [0005] Aiming at the deficiencies of the prior art, the present invention provides a gas pump type dryi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B21/00F26B21/04F26B21/08F24H4/06
CPCF26B21/002F26B21/04F26B21/086F24H4/06
Inventor 许光映王晋宝薛大文田美灵
Owner ZHEJIANG OCEAN UNIV
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