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 health and safety standards through full fluid containment. – Image: HMD Kontro
Hydrofluoric acid alkylation is a chemical/hydrocarbon processing application which poses particular challenges to course of operators, together with the risks related to the dealing with of a deadly, extremely corrosive fluid which poses a possible hazard to plant equipment, the individuals who work on site and the wider setting ought to leaks happen.
The course of
HF Alkylation combines olefins (primarily a combination of propylene and butylene) with isobutene in the presence of a hydrofluoric acid catalyst to provide alkylate. A high-octane additive, alkylate is a important security component that offsets the high vapour stress of the ethanol mandated in today’s low-sulphur unleaded petrol and gasoline supplies. The continual tightening of clean fuels’ legislation has elevated the demand for alkylate, which is also responsible for the anti-knocking property of unleaded petrol/gasoline in fashionable automobiles.
Potential risks
The HF alkylation course of poses a selection of critical environmental and health and safety risks if poorly managed, with the potential for acid runaway, accelerated gear corrosion and related HF launch. HF acid by its nature seeks out and attacks imperfections in solid steel parts that may ultimately scale back the life of pumps, valves and other gear and worse nonetheless, lead to product leakage. Failure-prone mechanical seals can leak harmful process fluids. The aggressive and damaging nature of HF acid locations great significance on the selection of material of solid parts, significantly by means of the pump casing and impeller.
Designed for resistance against highly corrosive fluids corresponding to HF acids, magnetic drive sealless pumps supply complete containment with built-in reliability. Magnetic drive sealless pumps featuring new applied sciences have been specifically designed for use in hydrofluoric acid alkylation units and had been developed in response to the challenges of dealing with HF acid.
pressure gauge วัด แรง ดัน that includes new applied sciences have been particularly designed to be used in hydrofluoric acid alkylation items and had been developed in response to the challenges of handling HF acid. – Image: HMD Kontro
HMD Kontro HF pump
The result of shut collaboration between UOP Honeywell, the main licensor of HF alkylation expertise and HMD Kontro, and using an revolutionary development process, the HMD Kontro HF pump contains a high integrity pump casing manufactured from Alloy C22 (ASTM A194 Gr. CX2MW) which has been examined utilizing new methods of Non-Destructive Examination (NDE).
Specialist design options
Built into the design of these subsequent generation pumps are features which meet operator-specific needs for the HF alkylation course of. They embrace a pump casing in Alloy C22 supplies, which has been proven to offer the necessary 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 lowering operational dangers and the associated prices to fulfill stringent environmental and health and safety targets. Finally, there is continuous monitoring to ensure a reliable sealless pump efficiency which includes leak detection instrumentation and safety against dry pump operating (power control monitor).
With no seals to leak, no seal buffer methods to help and keep and no supporting techniques, the latest magnetic drive sealless pump technology provides important security, value and operational advantages. Lower end-user installation prices and simplified maintenance necessities, make it an efficient whole-life proposition compared to conventional mechanically sealed pumps.
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