Soldering plate heat exchanger
A heat exchanger and brazed plate technology, applied in the field of integral brazed plate heat exchangers, can solve the problems of inability to flexibly realize various heat exchange loads, complex structure, high production and maintenance costs, and achieve low scrap rate and practical The effect of strong applicability and convenient processing and assembly
Inactive Publication Date: 2011-09-07
WEYEE HEAT EXCHANGER CO LTD
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Problems solved by technology
However, this kind of three-circuit heat exchanger cannot flexibly realize the regulation and control of various heat transfer loads, and the structure is complex, and the production and maintenance costs are high.
Method used
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[0026] Such as figure 1 As shown, the first type of brazed plate heat exchanger in the present invention includes three heat exchange circuits, namely: the first working medium circuit that flows in from D3 and flows out from D4, and the second working medium circuit that flows in from H3 and flows out from H4 , and the third working medium circuit that flows in from D1 and flows out from D2. Wherein, the first working medium circuit and the second working medium circuit are arranged in parallel, and respectively form a double-circuit heat exchange with the third working medium circuit.
[0027] The first type of brazed plate heat exchanger in the present invention adopts the existing two-circuit heat exchange plate to form the core of the heat exchange plate. This type of heat exchange plate is provided with inflow holes and outflow holes for two kinds of media, and the formed The plate stack has flow channels for both media. Such as figure 2 As shown, the heat exchange p...
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The invention provides a soldering plate heat exchanger which has simple structure and can realize that one medium exchanges heat simultaneously with two mediums and an integrated soldering plate heat exchanger which can realize that two mediums exchange heat simultaneously and respectively with another medium. The heat exchanger comprises a heat exchange plate core consisting of a first plate unit and a second plate unit that are arranged in parallel; a flow-in hole and a flow-out hole of a first medium are arranged on a bottom heat exchange plate of the first plate unit, and a flow-in hole and a flow-out hole of a second medium arranged on an end heat exchange plate of the second plate unit adjacent to the first medium are designed as blind holes; and rigid gaskets are added at the clearances of the blind holes of the two plate units, so as to isolate a first medium flow channel of the first plate unit and a second medium flow channel of the second plate unit. The invention can conveniently and simply realize the parallel arrangement of a first working medium loop and a second working medium loop, the first working medium loop and the second working medium loop are respectively combined with a third working medium to form double-loop heat exchange, and the processing and assembling are convenient.
Description
technical field [0001] The invention relates to a plate heat exchanger, in particular to an integral brazed plate heat exchanger capable of simultaneously exchanging heat between one medium and two mediums. [0002] The invention also relates to an integral brazed plate heat exchanger capable of realizing heat exchange between two media and another media at the same time. Background technique [0003] The usual brazed plate heat exchanger can only realize heat exchange between two media. However, in many practical industrial applications, it is necessary to realize heat exchange between one medium and multiple media at the same time. For example, multiple media need to be heated by one medium of water vapor, or cooled by one medium of cooling water. Especially in the field of refrigeration, in order to achieve precise control of the refrigeration temperature, it is also necessary to set up multiple independent refrigeration units, and the refrigerant system of each refriger...
Claims
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IPC IPC(8): F28D9/00
Inventor 郑玉平
Owner WEYEE HEAT EXCHANGER CO LTD