Sealless pump design tackles HF alkylation

Magnetic drive sealless pumps that includes new applied sciences, specifically designed for use in Hydrofluoric Acid (HF) Alkylation, have been developed in response to the challenges of dealing with HF acid.
The new HMD Kontro sealless pump ensures conformity with all environmental health and safety standards through complete fluid containment. – Image: HMD Kontro

Hydrofluoric acid alkylation is a chemical/hydrocarbon processing software which poses particular challenges to process operators, together with the dangers related to the handling of a deadly, extremely corrosive fluid which poses a possible hazard to plant tools, the people who work on web site and the wider surroundings ought to leaks occur.
The course of

HF Alkylation combines olefins (primarily a combination of propylene and butylene) with isobutene within the presence of a hydrofluoric acid catalyst to supply alkylate. เกจ์วัดแรงดันแก๊ส -octane additive, alkylate is a important security element that offsets the excessive vapour strain of the ethanol mandated in today’s low-sulphur unleaded petrol and gasoline provides. The continual tightening of clean fuels’ legislation has increased the demand for alkylate, which can additionally be answerable for the anti-knocking property of unleaded petrol/gasoline in trendy autos.
Potential dangers

The HF alkylation course of poses a quantity of severe environmental and well being and security dangers if poorly managed, with the potential for acid runaway, accelerated equipment corrosion and related HF release. HF acid by its nature seeks out and attacks imperfections in solid metal components that may ultimately cut back the lifetime of pumps, valves and different tools and worse still, lead to product leakage. Failure-prone mechanical seals can leak dangerous process fluids. The aggressive and damaging nature of HF acid locations great significance on the choice of material of cast elements, particularly in terms of the pump casing and impeller.
Designed for resistance in opposition to highly corrosive fluids corresponding to HF acids, magnetic drive sealless pumps offer total containment with built-in reliability. Magnetic drive sealless pumps featuring new technologies have been particularly designed to be used in hydrofluoric acid alkylation units and had been developed in response to the challenges of dealing with HF acid.
Magnetic drive sealless pumps that includes new technologies have been particularly designed for use in hydrofluoric acid alkylation units and had been developed in response to the challenges of handling HF acid. – Image: HMD Kontro

HMD Kontro HF pump

The results of close collaboration between UOP Honeywell, the leading licensor of HF alkylation know-how and HMD Kontro, and utilizing an progressive development course of, the HMD Kontro HF pump features a high integrity pump casing manufactured from Alloy C22 (ASTM A194 Gr. CX2MW) which has been examined using new methods of Non-Destructive Examination (NDE).
Specialist design options

Built into the design of these next generation pumps are options which meet operator-specific needs for the HF alkylation course of. They embody a pump casing in Alloy C22 materials, which has been confirmed to supply the required resistance to corrosion and likewise meets NDE requirements for HF acid. In addition, the pump’s secondary containment system is rated to 40 bar (580 psi), eliminating the potential for leakage into the setting, and lowering operational risks and the associated prices to fulfill stringent environmental and well being and security objectives. Finally, there’s steady monitoring to ensure a reliable sealless pump efficiency which incorporates leak detection instrumentation and safety against dry pump operating (power management monitor).
With no seals to leak, no seal buffer methods to assist and maintain and no supporting techniques, the newest magnetic drive sealless pump technology presents vital security, value and operational benefits. Lower end-user set up costs and simplified upkeep necessities, make it an efficient whole-life proposition in comparison with standard mechanically sealed pumps.
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