Composite heat pump drying system
A heat pump drying and composite technology, which is applied in drying, dryers, fluid heaters, etc., can solve the problems of high energy consumption, prolonged processing time, and the influence of the outside world on the dried products, and achieve the adjustment time The effect of short, large power consumption, and easy heating process
Active Publication Date: 2021-01-08
张勇
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Problems solved by technology
Problems in these methods: it may lead to high energy consumption in the entire drying process, or cause the dried object to be affected by the outside world, or prolong the processing time, etc.
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[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
[0036] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...
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The embodiment of the invention provides a composite heat pump drying system, and relates to the field of heat pump drying. The composite heat pump drying system has one of five working conditions andcomprises a first heat exchanger, a second heat exchanger, a third heat exchanger, a compressor, a first valve, a second valve, a third valve and a fourth valve. Gas flows from the second heat exchanger to the first heat exchanger; the first valve is arranged between the first heat exchanger and the second heat exchanger; a first port of the third heat exchanger is connected with the second valve, and a second port is respectively connected with ports of the third valve and the fourth valve; the second valve is arranged between the first valve and the first heat exchanger or the second heat exchanger; and the third valve is connected with an exhaust port of the compressor, and the fourth valve is connected with an air suction port of the compressor. The composite heat pump drying system in the embodiment can adapt to different dried object requirements and different drying process requirements, so that the purpose of flexibly and quickly adjusting the temperature required by a dryingroom is achieved, the whole process is more energy-saving, and the adjusting time is shorter.
Description
technical field [0001] The invention relates to the field of heat pump drying, in particular to a composite heat pump drying system. Background technique [0002] Conventional heat pump drying generally adopts closed heat pump drying and open heat pump drying. Closed heat pump drying processes the air in the drying room by dehumidifying the air and then heating it. However, for different processes or different objects to be dried, it is sometimes necessary to change the temperature of the drying room. In the prior art, some heat energy is supplemented by electric heating or released by means of strong exhaust and shutdown. Problems in these methods: it may lead to high energy consumption in the entire drying process, or cause the dried objects to be affected by the outside world, or prolong the processing time. Contents of the invention [0003] The purpose of the present invention is to provide a composite heat pump drying system, which can further realize the dehumidifi...
Claims
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IPC IPC(8): F26B21/00F26B21/08F26B21/10F24H4/06
CPCF26B21/002F26B21/086F26B21/10F24H4/06Y02P70/10
Inventor张勇
Owner张勇