Evaporation Crystallization Axial Flow Forced Circulation Pumps Factory

Role of Circulation Pumps

Circulation pumps are essential in maintaining the flow of the solution throughout the evaporation and crystallization processes. Their primary functions include:

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  Ensuring Uniform Temperature

  By continuously circulating the solution, circulation pumps help maintain a consistent temperature throughout the system, promoting even evaporation and crystallization.
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  Enhancing Mass Transfer

  Effective circulation increases the interaction between the solution and the heating surface, improving mass transfer and evaporation rates.
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  Facilitating Solute Concentration

  The pump ensures that the concentrated solution is continuously fed back into the system for further processing and yield.

Components of Circulation Pumps

A typical evaporation crystallization circulation pump consists of several key components:

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  Pump Housing

  The outer casing protects the internal components and contains the fluid.
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  Impeller

  A rotating component that generates flow by imparting energy to the fluid.
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  Motor

  Drives the impeller, typically an electric motor that provides the necessary rotational energy.
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  Inlet and Outlet Ports

  Allow the fluid to enter and exit the pump, facilitating circulation.

Conclusion

Evaporation crystallization circulation pumps are vital components in the separation and purification processes in various industries. By ensuring effective circulation, these pumps enhance efficiency, improve product quality, and support operational reliability. Understanding their function and importance is crucial for professionals in fields where crystallization processes are essential. As technology advances, ongoing improvements in pump design and efficiency will continue to play a significant role in optimizing evaporation crystallization processes.

High Cavitation Resistance: Features of the Circulation Pump

This pump is designed for low-level evaporators, significantly reducing investment costs for evaporation facilities. It is also suitable for new evaporator designs that have high fluid resistance on the pump inlet side, such as counter-current evaporators and series-connected dual heating chamber evaporators.

Efficiency and Versatility

The pump boasts high efficiency and a wide operational range. By adjusting the impeller blade angle and the rotation speed, it can meet various user demands for flow rate and head while ensuring energy savings.

Slow Speed Operation

With a stable operating speed, the pump experiences minimal wear on flow components, resulting in a longer lifespan. This design also minimizes crystal breakage, making it ideal for evaporation crystallization processes.

Cantilever Rotor Design

Compared to dual-support designs, the cantilever rotor configuration reduces the number of shaft seals by half, resulting in a lighter pump with a more compact design and easier maintenance.

Central Support Structure

The central support of the pump body enhances thermal alignment of the rotor, ensuring better performance compared to traditional foot-support structures.

Rear Opening Design

The rear-opening structure allows for rotor removal without disassembling the inlet and outlet flanges, facilitating quick and convenient maintenance.

Shaft Sealing Options

The pump uses a cartridge mechanical seal with a lifespan of 6 to 12 months. Alternatively, a new liquid-blocking packing seal can be employed, which lasts between 3 to 6 months.

Understanding Evaporation Crystallization

Evaporation crystallization involves the separation of a solute from a solution through evaporation, reputable to the formation of solid crystals. This process typically includes:

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  Heating the Solution

  The solution is heated to evaporate the solvent, concentrating the solute.
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  Cooling the Solution

  As the solution cools, the solute begins to crystallize out of the solution.
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  Separation

  The solid crystals are then separated from the remaining liquid.