工业炉换热器中,单程换热器内常见的流体流动方式有逆流、错流、顺流三种。从改善传热的角度出发,经常将若干个错流换热器组合成一个整体使用。组合的方式多种多样,并各有特点。组合后的整体效果取决于其中单程换热器的效果,以及各单程换热器之间的组合方式,本文拟比较四种组合方式的效果。 Industrial furnace heat exchanger, one-way heat exchanger within the common fluid flow countercurrent, cross-flow, downstream three. From the perspective of improving heat transfer, often a number of cross-flow heat exchanger combined into a single use. There are many ways to combine and each has its own characteristics. The combined effect depends on the effect of single-pass heat exchangers and the combination of single-pass heat exchangers. This article intends to compare the effects of the four combinations.