Plate, plate bundle, and welded plate heat exchangers
A technology of plate and plate bundle, which is applied in the field of welded plate heat exchangers, can solve the problems of complex processing technology, poor manufacturing process, high assembly precision requirements, etc., and achieve the effect of low manufacturing cost
Active Publication Date: 2016-08-24
睿能太宇(沈阳)能源技术有限公司
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Problems solved by technology
Although the above-mentioned structure improves the pressure bearing capacity of the product to a certain extent, because the butt weld itself has high requirements for the precision of the butt joint, and when using this welding method, the requirements for the manufacturing precision of the plate itself are also very high. As a result, the manufacturing process is poor, the processing technology is complicated, and the assembly precision is high.
In turn, the processing cost of the plate will be higher
Further, the manufacturing cost of the plate bundle composed of the plate and the heat exchanger including the plate bundle will increase accordingly
Method used
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Embodiment Construction
[0034] Embodiments of the present invention are described below with reference to the drawings.
[0035] refer to figure 1 and figure 2 , an embodiment of the plate of the present invention includes a plate body 1 and a flange 2 extending along the edge of the plate body 1 . Wherein, the plate body 1 has an upper surface and a lower surface, and on two adjacent edges of the plate body 1 , the flanges 2 extend along the edge of the upper surface or the edge of the lower surface of the plate body 1 respectively.
[0036] In the invention, the plates are used to form a plate bundle for the heat exchanger. Therefore, those skilled in the art know that the plates are stacked up and down to form a plate group, and one or more plate groups form a plate bundle. Thus, the two parallel surfaces of the plates with larger areas are placed on the surface of multiple plates. When stacked up and down, they respectively abut against the two adjacent plates up and down. refer to figure ...
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The invention relates to a plate, a plate bundle and a welded plate heat exchanger. The plate includes a plate body and flanges extending along the edge of the plate body; on two adjacent edges of the plate body, the flanges extend along the edge of the upper surface or the edge of the lower surface of the plate body respectively. The plate bundle includes at least three plates stacked on top of each other; wherein, one of the two adjacent plates is oriented relative to the other 90° around the vertical axis or 180° around the horizontal axis; The flanges in two adjacent plates are welded and connected to each other, so as to form first fluid channels and second fluid channels alternately arranged up and down in at least three plates. The welded plate heat exchanger has the above-mentioned plate bundles. The above-mentioned plates can make the plate bundle have the performance of high temperature and high pressure resistance while the manufacturing process is simple, and the plate bundle and the welded plate heat exchanger have the performance of high temperature and high pressure resistance while the manufacturing process is simple.
Description
technical field [0001] The invention relates to a plate sheet, a plate bundle and a welded plate heat exchanger. Background technique [0002] Plate heat exchanger is a kind of efficient and compact heat exchange equipment, which has many advantages such as high heat transfer efficiency, small resistance loss, easy cleaning, convenient maintenance and repair, etc., and with the improvement of structure and manufacturing technology, plate heat exchanger The application fields of heaters are constantly expanding. However, in the traditional plate heat exchanger, rubber gaskets are used to seal the plates. Because the rubber gaskets are prone to aging at high temperatures and lose their sealing effect, and the medium is corrosive to the rubber gaskets when used in special media, so Traditional plate heat exchangers cannot withstand high temperature and pressure, and are not suitable for occasions where the gaskets are corroded. [0003] In this case, this field invented a wel...
Claims
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IPC IPC(8): F28D9/00F28F3/10
Inventor 武增平王凤伟许晓贺陈枫
Owner 睿能太宇(沈阳)能源技术有限公司