| 摘要 |
A Plate and Shell type plate heat exchanger, which comprises an inner shell (9) completely surrounding a plate pack (2) and inner end plates (11a, 11b) in the direction of the ends of the plate pack. The inner shell (9) is by its inner surface arranged into contact with the outer edge of the baffle plates (8a, 8b) arranged on the surface of the plate pack and by its outer surface the inner shell (9) is arranged to support itself against the inner surface of the shell (3) of the outer casing of the heat exchanger. The inner end plates (11a, 11b) are supported by their outer surface against the inner surface of the end plates (4a, 4b) of the outer casing. |
| 主权项 |
1. A plate heat exchanger (1), which comprises
a plate pack (2) formed by heat exchange plates arranged on top of each other, an outer casing surrounding the plate pack (2), which casing comprises end plates (4a, 4b) mainly in the direction of the ends of the plate pack and a shell (3) connecting the end plates, which shell is arranged at least mainly at a distance from the outer surface of the plate pack defined by the outer edges of the heat exchange plates of the plate pack, inlet and outlet connections (5a, 5b, 6a, 6b) for at least a first and a second heat exchange medium, baffle plates (8a, 8b, 8c, 8d) in the longitudinal direction of the plate pack, which are arranged on the outer surface of the plate pack (2) substantially perpendicular to the plate pack, which baffle plates comprise an inner edge and an outer edge, and which baffle plates are arranged to be in contact by their inner edge with the outer surface of the plate pack (2), and a flow channel (10a, 10b, 10c) from the inlet connection (5a, 6a) to the plate pack (2) and a flow channel (10a, 10b, 10c) from the plate pack (2) to the outlet connection (5b, 6b) for at least a first and a second heat exchange medium, which flow channels (10a, 10b, 10c) are formed between the baffle plates (8a, 8b, 8c, 8d),wherein the heat exchanger (1) further comprises
an inner shell (9) surrounding the plate pack (2), which inner shell is by its inner surface arranged to be in contact with the outer edge of the baffle plates (8a, 8b, 8c, 8d) and by its outer surface the inner shell (9) is supported against the inner surface of the shell (3) of the outer casing, and inner end plates (11a, 11b), which are supported by their outer surface against the inner surface of the end plates (4a, 4b) of the outer casing. |
