The spiral plate heat exchanger of knowledge guide

by:Jinzong Machinery     2020-10-27
Spiral plate heat exchanger is a kind of efficient heat exchanger devices, it is a lot of more phyletic, the characteristics of each different, respectively suitable for chemical, oil, solvents and so on many industries. Following a brief introduction of the spiral plate heat exchanger structure, performance and characteristics of what, want to interested friends to share. A, spiral plate heat exchanger features: 1, high heat transfer efficiency, Performance is good) : the spiral plate heat exchanger heat transfer efficiency were considered as 1 - of shell and tube heat exchanger Three times. Cross section such as single channel flow there is no dead zone, column spacing and spiral channel of flow disturbance reduces the critical Reynolds number of fluid. 2, effective recovery of low temperature heat: spiral plate heat exchanger composed of two pieces of rolling, formed two uniform spiral channel, two heat transfer medium can complete counter-current flow, greatly enhance the heat transfer effect, even if the two kinds of medium and small temperature difference also can achieve the ideal heat exchange effect, waste heat recovery, make full use of low temperature heat. 3, operation reliability: not detachable type spiral plate heat exchanger of helical channel transverse welding seal, and thus has high sealing, two kinds of working medium don't mix. 4, small resistance: takeover by tangential structure in the shell, local resistance is small, uniform due to the curvature of the helical channel, the liquid flow within the device no big steering, the total resistance is small, so that can improve the design flow rate of high heat transfer capability. Low pressure loss, deal with the large capacity steam or gas; Have the ability to flush, because of its medium in spiral flow, deposit not easily dirt; It is easy washing, can use steam or alkali washing, simple, easy for cleaning device for installation; Medium walk single channel, allowing the flow velocity is higher than other heat exchanger. 5, can be used more than one combination: single equipment cannot satisfy the use requirement, can use more than one combination, but when combined must meet the following: parallel combination, combination, the equipment is the same as the channel spacing. Hybrid combination: a channel in parallel, a channel 2, spiral plate heat exchanger structure and performance: 1, composed of two pieces of rolling equipment, formed two uniform spiral channel, two heat transfer medium can be complete counter-current flow, greatly enhance the heat transfer effect, even if the two kinds of medium and small temperature difference also can achieve the ideal heat transfer effect. 2, take over on the shell structure of tangential, local resistance is small, uniform due to the curvature of the helical channel, the liquid flow within the device no big steering, the total resistance is small, so that can improve the design flow rate of high heat transfer capability. 3, I not detachable type spiral plate heat exchanger of helical channel transverse welding seal, thus has high sealing. 4, type II detachable spiral plate heat exchanger structure principle and not detachable heat exchanger basic same, but one of the channel with detachable cleaning, especially for viscosity and heat transfer of liquid precipitation. 5, III detachable spiral plate heat exchanger structure principle and not detachable heat exchanger basic same, but the two channels with detachable cleaning, wide application scope. 6, a single equipment cannot satisfy the use requirement, can use more than one combination, but when combined must meet the following: parallel combination, combination, the equipment is the same as the channel spacing. Hybrid combination: a channel in parallel, a channel.
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