Heat exchanger is a kind of high efficient heat transfer equipment, suitable for steam, gas - liquid, liquid liquid, the liquid heat transfer. It is suitable for chemical, petroleum, solvent, medicine, food, light industry, textile, metallurgy, steel rolling, coking and other industries. According to the structure can be divided into non detachable type (I type) and a detachable spiral plate (II and III) spiral heat exchanger.
Structure and performance
This equipment consists of two roll to form two uniform spiral channel, two kinds of heat transfer medium full countercurrent flow, greatly enhance the effect of heat transfer, even small temperature difference between two kinds of medium, can reach the ideal heat exchange effect.
In 2, the housing over the tangential local structure, small resistance, due to the curvature of the spiral channel is uniform, the liquid flow in the device without large steering, the total resistance is small, and thus can improve the design flow which has high heat transfer capability.
End of 3, I type detachable spiral heat exchanger spiral channel with seal welding, so it has high sealing performance.
4, II type detachable spiral heat exchanger structure principle and detachable heat exchanger is basically the same, but a channel can open the cleaning, especially for viscous and heat exchange of the liquid precipitation.
5, III type detachable spiral heat exchanger structure principle and detachable heat exchanger is basically the same, but the two channels can open the cleaning, wide application range.
6, spiral plate heat exchanger according to nominal pressure can be divided into PN0.6, 1, 1.6, 2.5MPa (refers to the maximum working pressure of single channel can bear). According to the material can be divided into carbon steel and stainless steel. Users can choose according to the actual process.
7, single equipment can not meet the use requirements, you can use a number of units, but must meet the following requirements: parallel combination, series combination, equipment and channel spacing of the same. Hybrid combination: a channel parallel, a series of channels.