板式换热器构造钎焊板式换热器基本结构是由前后端板和中间波纹板构成。接头可根据实际应用定制。波纹板在真空钎焊过程中,各波纹板间的每个接触点处形成一个焊点。板式热交换器包含2个独立的流道,换热介质通过流道板四角位置开孔形成的孔道被导入板组,并分配到波纹状流道板之间形成的流道中进行热交换。
材质
钎焊板式换热器的板材有304 和 316 两种不锈钢
压力
铜钎焊板式热交换器设计压力: 30 bar / 45 bar
镍钎焊板式热交换器设计压力: 20 bar
钎焊换热器引入的不等流道设计,这种不等流道意味着通道体积在冷热两方面是不同的。
这有助于更好地利用两侧的允许压降,如果有不同的流量或不同的流体性质,例如油和水或在两侧需不同的允许压降。
这样,就可以优化传热,从而使单元中换热板片(传热面积)的数量降到低,在某些情况下,相同的负载下换热板片的数量可减少25%。一次侧的通道体积比二次侧大25%。
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