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    • 63. 发明申请
    • PLATE HEAT EXCHANGER
    • 板式换热器
    • WO01048433A1
    • 2001-07-05
    • PCT/SE2000/002683
    • 2000-12-22
    • F24D3/08F28D9/00F28F3/08F24H1/52
    • F28F3/046F24D3/087F28D9/005
    • The present invention refers to a plate heat exchanger for at least two heat exchanging fluids which heat exchanger is permanently joined and comprises at least one core of plates with a plurality of heat exchanging plates (2a, 2b) and at least two end plates (3, 4) the heat exchanging plates (2a, 2b) creating plate interspaces between each other. Each one of the heat exchanging plates (2a, 2b) is provided with one or several corrugations and at least four port holes (9, 10, 13, 14) being parts of an inlet channel (11) and an outlet channel (12) through the core of plates for each one of the fluids. The inlet channels (11) and the outlet channels (12) for a first and a second fluid respectively are in fluid communication with a first (17) and a second (18) set of plate interspaces respectively. At least two of the said and next to each other situated heat exchanging plates (2a, 2b) in the present core of plates is each one provided with at least one trough-shaped section (19) which each one in cooperation with the respective adjacent heat exchanging plate (2a, 2b) creates a space which is sealed towards all fluids except a second fluid and which each one constitutes a part of the respective heat exchanging plate (2a, 2b) in such a way that the said part lacks port holes (9, 10, 13, 14) and that each one is made with a flangelike edge (22) extending around the hole circumference of the trough-shaped section (19).
    • 本发明涉及一种用于至少两个热交换流体的板式热交换器,其热交换器永久地连接并且包括具有多个热交换板(2a,2b)和至少两个端板(3)的至少一个板芯 ,4)热交换板(2a,2b)彼此之间产生板间隙。 每个热交换板(2a,2b)设置有一个或多个波纹,并且至少四个作为入口通道(11)和出口通道(12)的部分的端口孔(9,10,13,14) 通过每个流体的板的核心。 分别用于第一和第二流体的入口通道(11)和出口通道(12)分别与第一(17)和第二(18)组板间隙流体连通。 所述和相邻的至少两个位于板的现有芯板中的热交换板(2a,2b)分别设置有至少一个槽形部分(19),每个槽形部分与相应的相邻 热交换板(2a,2b)产生一个空间,该空间密封到除第二流体之外的所有流体,并且每个流体构成相应的热交换板(2a,2b)的一部分,使得所述部件缺少孔口 (9,10,13,14),并且每个都由具有围绕所述槽形部分(19)的孔圆周延伸的方圆边缘(22)制成。