Introduction to the heating method of high viscosity gear pumps
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High-viscosity gear pumps are usually heated by electric heating elements to make the viscous liquid evenly heated. If the temperature fluctuation is not large and the transported high-viscosity liquid is prone to degradation, it is recommended to use fluid heating, especially a gear pump with a large displacement. Fluid heating is divided into built-in and external structures. When the electric heating method lacks safety or the temperature control is not high, an external structure can be adopted. Due to the high viscosity of the medium transported by the high viscosity gear pump, in order to reduce the flow resistance and improve the liquid absorption capacity of the pump, the medium must be heated or insulated. The so-called built-in type refers to the design of the thermal expansion sleeve inside the gear pump body or the end cover, and the external type connects the thermal jacket and the pump body by bolts. It is necessary to pass steam, heat transfer oil or cooling water into the jacket, depending on the specific conditions of the medium. The built-in type is suitable for occasions where the temperature uniformity of the transport liquid is high, or it is required to uniformly cool the high temperature liquid.
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