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How To Maintain Good Performance Of Bearing Heater
Sep 10, 2016

Everybody knows that the heater for a long time, its good performance will inevitably be some influence waned, this look will affecting productivity at a later stage, if the change all the uneconomic, so we need to keep on bearing performance in other areas. Below we are going to maintain performance with bearing heater experience.

A, and increases bearing heater of gas entrance of velocity, can strengthening bearing heater convection for hot, and reduced has bearing heater within electric components of surface temperature, not only conducive to extended air electric heater electric components of using life, and makes air electric heater thermal of loss reduced, thus air heat exchanger of efficiency improve has, but speed if had big, makes pressure loss spurt, this will adverse heating efficiency of improve.

II, and if other conditions not variable, change surface load, bearing heater in the electric components of wall temperature will is line of changes, if surface of load increases, electric components of wall temperature will will increases, this will will reduced bearing heater in the electric components of using life, but if surface of load had small, wall temperature low, bearing heater heat exchanger of efficiency and reduced has, so bearing heater in the electric components of surface load of select compared important.

Third, when air temperature T2 bearing heater, since air viscosity increases, gas Reynolds number decrease convective heat intensity, bearing heater heating element surface temperature rising at the same time, increased heat loss, thus reducing the efficiency of the heat exchanger. When T2 is too large, and surface temperature of the heating element will also be greatly increased, led General Electric components can not afford, so the increase of T2 is usually limited by a bearing heater heating element material thermal properties.

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