The eddy current hot film heat exchanger effectively combines the Nano thermal film technology with the welding technology of eddy current stainless steel tubes, which greatly improves the heat transfer coefficient of the entire heat exchanger, which can generally reach 6000-8000W / ㎡ · ℃. Therefore, the heat exchanger has a high compactness and a small footprint, which is 1/5 of the ordinary shell-and-tube heat exchanger. Its high-quality stainless steel core can adapt to various cooling media, which solves the problem that common heat exchanger easy corrosion and easy to form and defects of scale.
Each time the fluid passes through the tube bundle is called a tube pass; each time the fluid passes through the shell is called a shell pass. The picture shows the simplest single-shell single-tube heat exchanger, referred to as 1-1 type heat exchanger for short. In order to increase the fluid velocity in the tube, partitions can be set in the tube boxes at both ends to divide all the tubes into several groups. In this way, the fluid passes through only a part of the tube at a time, and thus returns to and from the tube bundle multiple times. This is called a multi-tube pass. Similarly, in order to increase the flow velocity outside the tube, a longitudinal baffle can also be installed in the shell to force the fluid to pass through the shell space multiple times, which is called multiple shell pass. Multi-tube and multi-shell processes can be used together.
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