Abstract: This article explores how optimizing the fluid dynamics architecture of filtration equipment can elevate diesel dispatch cleanliness while preserving existing pumping and loading efficiencies at fuel terminals.
At large fuel depots and bulk transfer terminals, the loading rack serves as the operational bottleneck. As modern engine high-pressure common rail systems demand increasingly stringent fuel cleanliness standards, many terminals are integrating high-precision inline filtration upstream of loading arms. However, traditional filtration media often introduce substantial pressure drops, leading to increased pumping energy consumption, extended per-truck loading times, and a subsequent decrease in overall terminal throughput.
The JY-DX40 skid-mounted membrane separation filtration system was engineered specifically to address this tension between fluid purification and logistical efficiency. Designed to align with the operational characteristics of standard loading arms, the system features a rated processing throughput of 40 m³/h. Achieving and sustaining this flow rate relies heavily on the implementation of a “dynamic viscosity proportional model” within its internal architecture.
The Critical Variable: Diesel Viscosity and Permeation Resistance In real-world depot environments, the physical viscosity of diesel is a highly dynamic variable. It fluctuates significantly in response to ambient temperature shifts (such as diurnal variations in high-altitude mining regions) and variations in fuel batches. As fluid viscosity increases, the permeation resistance encountered when forcing the fluid through micron-level pores rises exponentially. Traditional filter designs, which rely on fixed filtration surface areas, often face severe flow rate degradation or risk filter media deformation when subjected to viscosity peaks.
Core Architecture: Dynamic Viscosity Modeling and Flow Path Optimization To manage these physical variables, the engineering of the JY-DX40 moves beyond simple surface area accumulation. The integration of 8 JINGYUAN polymer rigid composite membrane assemblies, combined with the system’s piping architecture, establishes a fluid dynamics model based on defined measurement baselines.
- Asymmetric Gradient Pores and Velocity Distribution: The internal array design effectively distributes the total 40 m³/h flow across independent membrane units. This configuration lowers the localized fluid impact velocity on the membrane surface, facilitating a more stable interception of impurities and slowing the rate of differential pressure escalation.
- Rigid Media and Constant Flow Channels: The polymer composite membranes exhibit high mechanical strength. Within the designated operating pressure range of 0.2 – 0.35 MPa, the membrane structure resists deformation. This structural integrity ensures that the cross-sectional area of the fluid channels remains relatively constant regardless of viscosity and pressure variations, providing a physical foundation for accurate pressure drop calculation and control.
- Anti-Bypass Mechanism: The housing cavity is designed to strictly direct fluid through the membrane layer before reaching the clean fluid zone. Because the rigid membrane material does not rupture or create gaps in response to pressure spikes caused by viscosity fluctuations, the risk of impurity bypass is effectively mitigated.
Comprehensive Operational Outcomes By leveraging optimized fluid dynamics, the JY-DX40 is capable of absorbing variations in flow resistance induced by temperature or medium viscosity changes. For terminal operators, integrating this skid-mounted system into existing loading networks means that micron-level particulate and free water removal can be executed without replacing current centrifugal pumps or extending queueing and vehicle loading times. Furthermore, supported by gas pulse online regeneration technology, the system supports long-term stable operation, aiming to reduce the Total Cost of Ownership (TCO) over the equipment’s lifecycle by approximately 60%.