Plate heat exchanger
A plate heat exchanger, heat exchanger technology, applied in the direction of heat exchanger type, heat exchanger shell, indirect heat exchanger, etc., can solve problems such as stress and force
Inactive Publication Date: 2012-02-08
ALFA LAVAL CORP AB
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Problems solved by technology
This construction presents the disadvantage that both the support means and the pressure plate have to be formed in a very strong construction
[0007] The disadvantage of the above solution is that if the solution is applied to a larger plate heat exchanger, the stress and force are too large
Method used
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Embodiment Construction
[0027] Heat exchangers are used to transfer heat between two fluids separated by a solid body. Heat exchangers can be of several types, the most common being spiral heat exchangers, tubular heat exchangers and plate heat exchangers. Plate heat exchangers are used to transfer heat between a hot fluid and a cold fluid that flow in alternating flow paths formed between a set of heat exchanger plates. The arrangement of heat exchanger plates defined above is enclosed between end plates, which are relatively thicker than the heat exchanger plates. The inner surface of each end plate faces the heat transfer plate.
[0028] Figure 1-2 A schematic diagram of a plate heat exchanger 1 comprising a plurality of compression molded heat exchanger plates 4 arranged parallel to each other and consecutively such that they form a plate package is disclosed. The board package is arranged between a first end plate 2 (also called a pressure plate) and a second end plate 3 (also called a frame...
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The invention relates to a plate heat exchanger (1) including a first and second end plate (2, 3), and a core of heat exchanger plates (4) arranged between the first and second end plate (2, 3), whereby a plurality of threaded tightening bolts (5a, 5b, 5c) extend between the first and second end plate (2, 3) and are arranged, with the aid of nuts (6) or the like, to hold these plates at a desired distance from each other in order to hold the core of heat exchanger plates together, wherein at least one guiding element (7, 7a, 7b) for guiding the first end plate (2) and the heat exchanger plates (4) relatively the second end plate (3) is releasably arranged on at least one of the threaded tightening bolts (5a, 5b), which guiding element (7a) extends through an aperture (8) in the first end plate (2), where the at least one guiding element (7a, 7b) is provided with a through-hole (9); to receive the at least one of the threaded tightening bolts (5a, 5b) and an external geometry(10) corresponding to a cut-out (11) of the heat exchanger plates (4) and the first end plate (2).
Description
technical field [0001] The present invention generally relates to plate heat exchangers which allow heat transfer between two fluids at different temperatures for various purposes. In particular, the invention relates to a plate heat exchanger comprising a first end plate, a second end plate and a heat exchanger plate encapsulation placed between a frame plate and a pressure plate. A plurality of threaded tightening bolts extend between the first and second end plates and are arranged to hold the plates at a required distance from each other by means of nuts or the like to hold the heat exchanger plate pack together. Background technique [0002] A plate heat exchanger typically has a frame plate, a pressure plate (also referred to as an end plate) and a heat exchanger plate enclosure positioned adjacent to each other and between the frame plate and the pressure plate. Gaskets are placed between the heat exchanger plates. The gasket is received in a gasket groove on the he...
Claims
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IPC IPC(8): F28F3/08F28F9/007
CPCF28F3/083F28F9/0075F28F2275/205F28D9/00F28F3/08F28F9/007F28D9/005
Inventor J·吉德纳C·福斯特尼厄斯
Owner ALFA LAVAL CORP AB