Structure and Composition
The melt gear pump is mainly composed of a pump casing, a driving gear, a driven gear, a cover plate, bearings, and seals.Among them, the driving gear and driven gear are the core components of the melt gear pump, and their meshing and rotation are key to achieving melt pressurization.The pump casing serves to support and fix the gears and is equipped with inlet and outlet channels to allow the molten material to enter and exit.The bearings are used to support the driving shaft and driven shaft, ensuring the normal operation of the gears.The sealing part is used to prevent leakage of molten material and entry of external impurities into the pump, ensuring the normal operation of the pump.
Characteristics and Advantages
Wide operating temperature range: The melt gear pump has a wide operating temperature range, from low temperatures to 350℃, suitable for polymer processing in various extreme temperature environments.Stable flow and pressure: The melt gear pump can provide stable melt pressure and flow, ensuring the stability of the production process and product quality.High precision and long lifespan: The melt gear pump has a precise structure, high precision, and a long lifespan, meeting the high requirements of chemical production for equipment.Customized production: The melt gear pump can be customized for different working conditions and material characteristics to meet the individual needs of customers.
Application Scenarios
In the chemical industry, melt gear pumps are widely used in the following scenarios:
Polymer production processes: Melt gear pumps can be used in the production processes of polymers in various industries such as resins, chemical fibers, and rubber, transporting polymer materials such as PP, PET, PE, PC, PA6, EVA, and PLA.Chemical production processes: Melt gear pumps can be used to transport materials with a certain viscosity that are relatively pure and do not contain particulate impurities, such as hot melt adhesives, asphalt, paints, and adhesives.Extrusion systems: Melt gear pumps can be applied to the extrusion molding of plastics, resins, and rubber products in industries such as granulation, film, tubing, sheet, and plate, installed between the extruder outlet and die head, serving the functions of pressurization, pressure stabilization, and metering.
In summary, melt gear pumps have broad application prospects and significant value in the field of chemical transportation. By making reasonable selections, using correctly, and maintaining melt gear pumps, the stability and efficiency of chemical production can be ensured.
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