Sealless pump design tackles HF alkylation

Magnetic drive sealless pumps featuring new applied sciences, specifically designed for use in Hydrofluoric Acid (HF) Alkylation, have been developed in response to the challenges of handling HF acid.
The new HMD Kontro sealless pump ensures conformity with all environmental well being and security standards via complete fluid containment. – Image: HMD Kontro

Hydrofluoric acid alkylation is a chemical/hydrocarbon processing utility which poses particular challenges to course of operators, including the dangers associated with the handling of a deadly, extremely corrosive fluid which poses a potential hazard to plant equipment, the people who work on site and the broader surroundings ought to leaks happen.
The course of

HF Alkylation combines olefins (primarily a mix of propylene and butylene) with isobutene within the presence of a hydrofluoric acid catalyst to supply alkylate. A high-octane additive, alkylate is a crucial security part that offsets the excessive vapour stress of the ethanol mandated in today’s low-sulphur unleaded petrol and gasoline supplies. The continuous tightening of fresh fuels’ legislation has elevated the demand for alkylate, which can additionally be liable for the anti-knocking property of unleaded petrol/gasoline in modern automobiles.
Potential dangers

The HF alkylation course of poses numerous serious environmental and health and safety dangers if poorly managed, with the potential for acid runaway, accelerated tools corrosion and related HF launch. HF acid by its nature seeks out and assaults imperfections in solid steel elements that will in the end reduce the life of pumps, valves and other gear and worse nonetheless, result in product leakage. Failure-prone mechanical seals can leak harmful process fluids. The aggressive and damaging nature of HF acid locations nice importance on the choice of fabric of forged parts, notably when it comes to the pump casing and impeller.
Designed for digital pressure gauge towards highly corrosive fluids corresponding to HF acids, magnetic drive sealless pumps offer complete containment with built-in reliability. Magnetic drive sealless pumps that includes new applied sciences have been specifically designed for use in hydrofluoric acid alkylation models and were developed in response to the challenges of dealing with HF acid.
Magnetic drive sealless pumps featuring new applied sciences have been particularly designed for use in hydrofluoric acid alkylation items and have been developed in response to the challenges of handling HF acid. – Image: HMD Kontro

HMD Kontro HF pump

The results of shut 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 contains a high integrity pump casing manufactured from Alloy C22 (ASTM A194 Gr. CX2MW) which has been examined using new strategies of Non-Destructive Examination (NDE).
Specialist design features

Built into the design of these subsequent era pumps are features which meet operator-specific needs for the HF alkylation course of. They include a pump casing in Alloy C22 materials, which has been proven to supply the necessary 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 surroundings, and decreasing operational risks and the associated prices to fulfill stringent environmental and health and security objectives. Finally, there’s continuous monitoring to ensure a dependable sealless pump efficiency which includes leak detection instrumentation and safety against dry pump running (power control monitor).
With เพรสเชอร์เกจ to leak, no seal buffer techniques to assist and maintain and no supporting systems, the most recent magnetic drive sealless pump technology presents vital security, cost and operational benefits. Lower end-user installation prices and simplified upkeep requirements, make it an effective whole-life proposition compared to typical mechanically sealed pumps.
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