Combined plate heat exchanger with external communicating passage
A technology of plate heat exchangers and communication channels, applied in the direction of heat exchangers, indirect heat exchangers, heat exchange equipment, etc., can solve the problems of deformation and water leakage of large plate heat exchangers, achieve convenient transportation and reduce water leakage rate , the effect of uniform force
Pending Publication Date: 2019-01-04
SHANGHAI PANDA MACHINEGRP CO LTD
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is to provide a combined plate heat exchanger with external communication channels to solve the deformation and water leakage problems of existing large plate heat exchangers, and at the same time provide a compact structure and high heat exchange efficiency. , flexible assembly, user-customized plate heat exchanger
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[0031] Several heat exchange plate bundle units 3 can be installed side by side between the fixed pressure plate 11 and the movable pressure plate 12, and the adjacent heat exchange plate bundle units 3 can be communicated through the outer tube 2, so that the heat exchange plate bundle units 3 They are connected in series, and at the same time, each heat exchange plate bundle unit 3 can also be installed with an outer tube 2 communicating with the internal medium hole of the heat exchange plate bundle unit 3, so that the heat exchange plate bundle units 3 are in a parallel state, It is also possible to mix parallel and series structures, so that the heat exchanger can be adjusted according to the actual needs of users, which expands the scope of application. The outer pipe 2 is used for transportation, which ensures the flow capacity of the heat exchanger and increases the heat exchange efficiency of the heat exchanger.
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The invention relates to a combined plate heat exchanger with an external communicating passage. The combined plate heat exchanger comprises end pressing plates, heat exchange plate bundle units and outer pipes. The end pressing plates comprise a fixed pressing plate and a movable pressing plate, and the fixed pressing plate and the movable pressing plate are vertically arranged side by side. Theheat exchange plate bundle units are evenly mounted between the fixed pressing plate and the movable pressing plate. A plurality of mounting locating holes corresponding to the ends of the heat exchange plate bundle units are arranged on the end pressing plates, and every two mounting locating holes form a group. The end pressing plates and the heat exchange plate bundle unit are connected and fixed by every group of mounting locating holes through fixing devices. A plurality of inlet and outlet hole sets corresponding to the ends of the outer pipes are formed in the fixed pressing plate or the movable pressing plate. The combined plate heat exchanger has the beneficial effects that the use ranges of the heat exchanger is widened, the flow capacity of the heat exchanger is guaranteed, andtherefore the heat exchange efficiency is improved; and the phenomenon of water leakage caused by plate deformation is avoided, and manual assembling is convenient.
Description
technical field [0001] The invention relates to the technical field of heat exchangers, in particular to a combined plate heat exchanger with an external communication channel. Background technique [0002] At present, in the HVAC industry, the mass of the heat exchanger accounts for more than 30% of the total mass of the unit, and the power consumption in heat exchange accounts for about 25% of the total power consumption. Therefore, improving heat exchange efficiency and reducing energy waste has become a heat exchanger primary issue. [0003] Among many heat exchangers, plate heat exchangers are widely used because of their high heat transfer coefficient, wide adaptability, compact structure, and convenient maintenance. Generally speaking, the heat transfer coefficient of the plate heat exchanger is 3 to 5 times that of the shell and tube type. However, there are many problems in the plate heat exchanger, such as external leakage, liquid flow, large pressure drop, and ca...
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IPC IPC(8): F28D9/00F28F3/08
CPCF28D9/00F28F3/08
Inventor 池学聪朱志闫丹刘举
Owner SHANGHAI PANDA MACHINEGRP CO LTD
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