Disc Centrifugal Slurry Pumps
Optimized Apex Filter Press Pumps with Advanced VFD Control
Apex Filter Press Pumps are expertly engineered to accommodate a wide variety of filter press sizes, integrating advanced Variable Frequency Drive (VFD) technology for enhanced operational control. This technology allows for variable speed operation, starting with high flow rates and low pressure to initiate the formation of the filter cake. This initial phase is critical in preventing premature clogging of the filter cloth by avoiding the early development of a dense, impermeable layer of solids.
As the filter press filling cycle progresses, the VFD controller works in tandem with the pump, automatically and gradually increasing the feed pressure. This controlled pressure escalation, which can be adjusted based on the slurry characteristics and solids concentration, ensures that filtration is carried out with maximum efficiency.
The process typically begins at a low pressure of around 25 PSI, gradually increasing to a shut-off pressure of approximately 100 PSI, depending on the specific requirements of the filter press. Once the desired pressure is reached, the pump automatically shuts off, ensuring precise and efficient operation throughout the cycle.
This automated pressure adjustment not only enhances filtration efficiency but also extends the lifespan of filter cloths by preventing clogging and ensuring consistent filtration quality. The flexibility of the Apex VFD system allows for seamless integration with both new and existing filter press setups, making it a versatile and valuable solution for optimizing industrial filtration processes.
Pump and Dredge Equipment
Unmatched Durability for Handling Abrasive Liquids
Abrasive liquids with suspended particles can quickly wear down traditional pump surfaces, leading to decreased performance and frequent maintenance. The Apex rotating disk pump overcomes this challenge with an innovative design that directs fluid flow between two parallel disks, forming a boundary layer—a stable, quiescent layer close to the disk walls. This design reduces abrupt directional changes and rapid accelerations, maintaining the integrity of the boundary layer and significantly boosting the pump’s resistance to abrasion. As a result, the pump delivers exceptional durability and reliability when handling abrasive slurries, ensuring long-lasting performance even in the most demanding conditions.
Low NPSH Requirement for Enhanced Performance
In demanding environments such as those found in Zimbabwe, pumps often encounter challenges related to variable pressure distribution caused by vanes moving through fluids, leading to the risk of cavitation, particularly at the point of lowest static pressure, typically near the vane outlet. The Apex Disk Pump addresses this issue with disk impellers that feature inherently low Net Positive Suction Head Required (NPSHR) characteristics. Additionally, the Apex impeller is equipped with an integral axial flow inducer, further enhancing its low NPSH capabilities and making it an exceptionally robust solution for challenging applications managed by Mazowe Dredge in Zimbabwe.
The Apex Disk Pump is meticulously designed to create a uniformly tangential pressure field throughout the system, ensuring that the only pressure gradient present is positive. This uniform pressure distribution is crucial for maintaining the pump’s efficiency and longevity, particularly in regions with harsh operational conditions like Zimbabwe.
Optimized Performance with Highly Viscous Liquids
Handling highly viscous liquids can significantly challenge traditional vaned impellers, leading to reduced efficiency, lower capacity, and increased NPSH requirements. Fluids with viscosities around 500 SSU can drastically hinder the performance of conventional impellers.
The Apex Disk Pump’s unique design, which includes carefully optimized disk spacing, allows it to handle a wide range of fluid viscosities effectively. This versatility, from handling fluids as low as water to as high as 400,000 SSU, sets it apart from traditional pumps and makes it an ideal choice for a variety of industrial applications.
Moreover, the Apex Disk Pump’s design ensures that its flow characteristics adjust according to the fluid’s viscosity—maintaining marginal turbulence for thinner liquids and shifting to laminar flow for more viscous substances. This adaptability significantly boosts the pump’s efficiency and ensures consistent, reliable performance across a broad spectrum of fluid densities and viscosities, making it an ideal choice for diverse industrial applications.
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