Multifunctional heat pump drying system
A heat pump drying and multi-functional technology, applied in the field of drying system, can solve the problems of heat loss, pollution of baking materials, etc., and achieve the effect of increasing enthalpy, large cooling capacity, and improving temperature and humidity stability
Pending Publication Date: 2019-12-20
GUANGZHOU WIDE IND
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Problems solved by technology
At the same time, most of them follow the traditional coal-fired baking process to discharge the high-humidity gas in the barn into the atmosphere, which will also cause a large amount of heat loss and pollute the baking materials in the barn
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[0023] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0024] refer to Figure 1 to Figure 6 , which is an embodiment of the present invention, introduces a multifunctional heat pump drying system, which includes a compressor 1, a four-way valve 2, a first heat exchanger 3, a first valve 4, and a second heat exchanger The heat pump composed of 5, the energy-saving heat exchanger 6 and the third heat exchanger 7 connected to the heat pump to form a closed circuit, the return air port of the compressor 1 and the third valve port of the four-way valve 2 are connected through pipeline...
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The invention discloses a multifunctional heat pump drying system which is connected with an energy-saving heat exchanger, so that a high-pressure liquid refrigerant and a low-pressure gaseous refrigerant in circuits can be subjected to cold and heat exchange in the circuits to generate the supercooling degree and the proper overheating degree, the enthalpy value of the refrigerants in circulationis increased, the greater cooling capacity can be exerted during evaporation, and energy consumption is effectively reduced; and a third heat exchanger and a second heat exchanger are located in a heat exchange cavity communicating with a baking room and is isolated from a first heat exchanger, so that air in the baking room is in a loop circulation, outside influences are avoided, aromatic substances of cigarettes are reserved to the largest degree, and the temperature and humidity stability of the baking room is improved. The multifunctional heat pump drying system is used in the field of drying systems.
Description
technical field [0001] The invention relates to the field of drying systems, in particular to a multifunctional heat pump drying system. Background technique [0002] Tobacco is the most widely planted non-food foliar economic crop in the world, and the curing of tobacco leaves has strict requirements on the temperature and humidity in the barn. Tobacco curing adopts "three-stage curing", which is divided into "yellowing period", "color fixing period" and "drying tendon period". Different stages have different temperature and humidity requirements. [0003] The existing single heat pump drying unit needs to use multiple systems to cope with different temperature and humidity requirements in different stages of baking. At the same time, most of them follow the traditional coal-fired baking process to discharge the high-humidity gas in the barn into the atmosphere, which will also cause a large amount of heat loss and pollute the baking materials in the barn. Contents of th...
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IPC IPC(8): A24B3/10F26B23/10F25B13/00F25B30/02
CPCA24B3/10F26B23/10F25B13/00F25B30/02
Inventor 李志明李茂军肖红强王行何志斌陈阿勇王军黄运松何振峰朱志伟王林
Owner GUANGZHOU WIDE IND