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Sealless pump design tackles HF alkylation

Magnetic drive sealless pumps featuring new technologies, specifically designed to be used 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 safety requirements through full fluid containment. – Image: HMD Kontro
Hydrofluoric acid alkylation is a chemical/hydrocarbon processing application which poses particular challenges to course of operators, including the dangers associated with the handling of a deadly, highly corrosive fluid which poses a possible hazard to plant gear, the individuals who work on web site and the broader setting should leaks happen.
The process
HF Alkylation combines olefins (primarily a mixture of propylene and butylene) with isobutene within the presence of a hydrofluoric acid catalyst to supply alkylate. A high-octane additive, alkylate is a critical security element that offsets the high vapour strain of the ethanol mandated in today’s low-sulphur unleaded petrol and gasoline supplies. The continual tightening of unpolluted fuels’ legislation has increased the demand for alkylate, which is also responsible for the anti-knocking property of unleaded petrol/gasoline in fashionable autos.
Potential risks
The HF alkylation process poses a quantity of critical environmental and well being and safety dangers if poorly managed, with the potential for acid runaway, accelerated gear corrosion and related HF launch. HF acid by its nature seeks out and assaults imperfections in solid metal parts that will finally scale back the life of pumps, valves and different tools and worse nonetheless, end in product leakage. Failure-prone mechanical seals can leak harmful course of fluids. The aggressive and damaging nature of HF acid locations great significance on the selection of fabric of solid parts, particularly by method of the pump casing and impeller.
Designed for resistance against highly corrosive fluids corresponding to HF acids, magnetic drive sealless pumps offer total containment with built-in reliability. Magnetic drive sealless pumps featuring new applied sciences have been specifically designed to be used in hydrofluoric acid alkylation items and have been developed in response to the challenges of dealing with HF acid.
Magnetic drive sealless pumps that includes new technologies have been specifically designed to be used in hydrofluoric acid alkylation units and have been developed in response to the challenges of dealing with HF acid. – Image: HMD Kontro
HMD Kontro HF pump
The result of shut collaboration between UOP Honeywell, the leading licensor of HF alkylation know-how and HMD Kontro, and utilizing an revolutionary improvement process, the HMD Kontro HF pump features a high integrity pump casing manufactured from Alloy C22 (ASTM A194 Gr. CX2MW) which has been examined utilizing new strategies of Non-Destructive Examination (NDE).
Specialist design features
Built into the design of these next generation pumps are options which meet operator-specific wants for the HF alkylation course of. They include a pump casing in Alloy C22 supplies, which has been proven to offer the mandatory resistance to corrosion and also meets NDE requirements for HF acid. In addition, the pump’s secondary containment system is rated to 40 bar (580 psi), eliminating the risk of leakage into the environment, and decreasing operational risks and the related costs to satisfy stringent environmental and well being and safety targets. Finally, there’s steady monitoring to ensure a dependable sealless pump performance which includes leak detection instrumentation and safety in opposition to dry pump running (power management monitor).
With no seals to leak, no seal buffer systems to help and maintain and no supporting methods, the most recent magnetic drive sealless pump expertise provides vital security, cost and operational benefits. เกจวัดแรงดันถังลม -user installation costs and simplified upkeep requirements, make it an effective whole-life proposition in comparison with typical mechanically sealed pumps.
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