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2024-09-26 What other parameters of the melt pump affect the conveying efficiency?
Among the other parameters of melt pumps, several factors significantly impact their conveying efficiency. The following are some of the primary influencing factors: I. Melt Viscosity Melt viscosity is a crucial factor affecting conveying efficiency. Higher-viscosity melts require greater shear force to overcome internal resistance during conveyance, thus potentially necessitating lower rotational speeds to prevent pump overload and melt overheating. Conversely, lower-viscosity melts may flow mor
2024-09-24 Application of Melt Pump in Plastic Granulation
The application of melt pumps in plastic granulation is crucial, it mainly plays the role of stable conveying, pressurization and accurate metering, thus significantly improving the efficiency of the plastic granulation process and product quality. The following are the specific applications of melt pumps in plastic granulation: Stable conveying: Plastic granules in the molten state, its viscosity, temperature and fluidity will be affected by a variety of factors, such as the fluctuation of the screw extruder, the unevenness of the raw material, etc.. The melt pump can provide a constant back
2024-09-21 Does the plastic film production line need to be equipped with a melt pump?
The question of whether a plastic film production line must be equipped with a melt pump does not have an absolute answer. It depends on various factors such as the specific needs of the production line, product quality requirements, production cost considerations, and the complexity of the production process. Below is an analysis of the potential benefits and considerations of installing a melt pump: Benefits of Installing a Melt Pump: Enhanced Product Quality: A melt pump stabilizes the pressure and flow rate of the plastic melt, contributing to the production of plastic films with uniform t
2024-09-19 Selection of PET sheet extrusion melt pump
When selecting a melt gear pump for PET sheet extrusion, several crucial factors must be taken into account to ensure that the pumps performance meets production requirements and guarantees the quality of PET sheets. Here are the key selection points: I. Production Demand Firstly, it is essential to clarify the production demand of the production line, measured in kg/h. Production demand serves as a significant basis for choosing the model of the melt pump, as different models have varying conveying capacities that must align with actual needs. II. Application Field Considering the specific ap
2024-09-18 What are the functions of selecting melt pumps and screen changers for plastic granulation production
In the plastic granulation production line, the melt pump and the screen changer each play a pivotal role, with their functions complementing each other to ensure the stable and efficient operation of the production line. Role of the Melt Pump: Conveying and Pressurization: The melt pump is primarily used for conveying and pressurizing high-temperature, high-viscosity polymer melts. During the plastic granulation process, the melt pump can stably provide the required pressure and flow rate, ensuring that the melt is smoothly conveyed to the next process step, thus preventing product quality is
2024-09-14 What is the difference between a reactor melt pump and an extruder melt pump?
The melt pumps for reactors and extruders exhibit notable differences in multiple aspects, primarily in their application scenarios, installation locations, functional characteristics, and working principles. I. Application Scenarios and Installation Locations Melt Pump for Reactors: Specifically suited for high-pressure, high-temperature, and high-viscosity polymer melt delivery in reactions, such as in the resin and chemical fiber industries. Typically installed at the bottom of the reactor, it serves as a discharge pump. Designed to handle large flow rates and with excellent self-priming ca
2024-09-13 How long is the lifespan of the melt pump in the PP hollow board extrusion production line?
The lifespan of the melt pump in a PP hollow sheet extrusion line is a relatively complex issue, as it is influenced by various factors, including but not limited to the pumps intrinsic quality, operating conditions, and maintenance status. As such, it is not feasible to provide a specific, absolute figure for its lifespan. However, I can delve into several aspects that can contribute to enhancing the melt pumps longevity: I. Factors Affecting the Lifespan of the Melt Pump Intrinsic Quality of the Pump: High-quality melt pumps typically employ superior materials and advanced manufacturing tech
2024-09-12 Rubber extrusion melt gear pump
The polymer extrusion melt pump is a specialized melt pump used in the rubber processing industry, primarily for the transportation, pressurization, and metering of high-temperature, high-viscosity rubber melts. Below is a detailed introduction to the rubber melt pump: I. Definition and Function The rubber melt pump is a positive displacement conveying device that utilizes the change in working volume caused by the meshing of the driving and driven gears to transport the melt. It is primarily employed in the rubber extrusion molding process, such as the production of rubber tubes, rubber sheet
2024-09-11 Modified granulation color masterbatch granulation melt pump
Modified Granulation Color Masterbatch Melt Pump : A Vital Device for High-Temperature, High-Viscosity Polymer Melt Transfer, Pressurization, and Metering,Here is a detailed introduction to this crucial equipment: I. Overview The Modified Granulation Color Masterbatch Melt Pump, or simply known as the Melt Pump, is an indispensable piece of equipment in the plastic processing industry. It operates stably under high-temperature and high-pressure conditions, ensuring continuous transfer and precise metering of polymer melts, thereby fulfilling the stringent requirements of modified granulation a
2024-09-07 What is the maintenance method for the melt pump of the blown film machine?
The maintenance methods of the melt pump in a film blowing machine are crucial for ensuring the stable operation of the machine and prolonging the service life of the melt pump. Here are some key maintenance procedures: I. Daily Inspection and Maintenance Regular Check of Pump Outlet Pressure: Regularly inspect the pump outlet pressure to ensure it operates within the normal range, avoiding overpressure that could damage the pump body. Inspection of Pump Fastening Bolts: Periodically check if the fastening bolts of the pump body and accessories are loose. Tighten them promptly if found loose t
