Thermoplastic melt pump internal structure

Thermoplastic melt pump is a kind of high-precision, high-rotation speed, high-reliability equipment for conveying high-viscosity, high-temperature, high-pressure melt materials. Its internal structure includes the following parts:

1. Pump casing

The pump casing of the melt gear pump is the outer shell of the equipment, which is made of high quality alloy steel material with high strength and corrosion resistance. The pump casing is equipped with impellers, bearings, seals and other important parts, which is one of the key parts to ensure the normal operation of the melt pump.

2. Impeller

Impeller is the core part of melt pump, usually made of high strength and corrosion resistant alloy steel. The main role of the impeller is to transfer the rotary motion of the motor to the medium, so that it produces pressure and flow. Impeller is generally divided into single vane and multi-vane two kinds, multi-vane impeller can provide higher pressure and greater flow.

thermoplastic melt pump gear

3. Bearing

The bearings of melt pumps generally use high-precision, high-stiffness rolling bearings, which can withstand large radial and axial loads. The main role of bearings is to support the impeller and other rotating parts to ensure their high-precision operation. At the same time, the bearings can also play a certain role in sealing to prevent melt leakage.

4. Seals

Seals are an indispensable part of the melt pump, and their role is to prevent leakage of media and air into the pump. Seals in the thermoplastic melt pump are generally made of high temperature, corrosion and abrasion resistant materials, such as silicon carbide, fluorine rubber, and so on.

extrusion melt pump gear and flange

5. Transmission device

Transmission device is an important part of the melt gear pump, including motor, reducer, coupling and other components. The electric motor is the power source of the melt pump, the reducer converts the high-speed rotary motion of the electric motor into a low-speed, high-torque output, and the coupling is the power of the electric motor to the impeller and other rotating parts of the connecting parts.

6. Control system

The control system is the control part in the polymer melt pump, which can monitor and control the operation status of the equipment. The control system generally includes pressure sensors, temperature sensors, flow meters and other sensors, as well as electronic control cabinets and other components. The control system can realize the automatic control and regulation of the equipment to ensure the stability and reliability of the equipment.

melt pump control system

In short, the internal structure of the melt pump is fine and complex, and each component has its specific function and role. Only the coordinated work of each component can ensure the normal operation and high efficiency of the melt pump. Therefore, in the use and maintenance process, special attention should be paid to the care and maintenance of each component. thermoplastic melt pump manufactuer.

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