Magnetic drive sealless pumps featuring new applied sciences, particularly 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 requirements by way of complete fluid containment. – Image: HMD Kontro
Hydrofluoric acid alkylation is a chemical/hydrocarbon processing software which poses explicit challenges to course of operators, including the dangers associated with the dealing with of a deadly, highly corrosive fluid which poses a possible hazard to plant tools, the individuals who work on site and the wider environment should leaks happen.
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HF Alkylation combines olefins (primarily a combination of propylene and butylene) with isobutene in the presence of a hydrofluoric acid catalyst to produce alkylate. A high-octane additive, alkylate is a critical security part that offsets the excessive vapour stress of the ethanol mandated in today’s low-sulphur unleaded petrol and gasoline provides. The continuous tightening of clean fuels’ legislation has elevated the demand for alkylate, which can also be answerable for the anti-knocking property of unleaded petrol/gasoline in trendy automobiles.
Potential dangers
The HF alkylation course of poses a variety of severe environmental and health 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 attacks imperfections in cast metallic parts that can finally cut back the lifetime of pumps, valves and different equipment and worse nonetheless, end in product leakage. Failure-prone mechanical seals can leak harmful process fluids. The aggressive and damaging nature of HF acid places nice significance on the selection of material of solid parts, significantly by way of the pump casing and impeller.
Designed for resistance in opposition to extremely corrosive fluids such as HF acids, magnetic drive sealless pumps supply whole containment with built-in reliability. Magnetic drive sealless pumps that includes new technologies have been specifically designed for use in hydrofluoric acid alkylation models and had been developed in response to the challenges of handling HF acid.
Magnetic drive sealless pumps that includes new technologies have been particularly designed for use in hydrofluoric acid alkylation models 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 technology and HMD Kontro, and using an innovative growth course of, the HMD Kontro HF pump contains a excessive 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 those next era pumps are options which meet operator-specific needs for the HF alkylation process. They embrace a pump casing in Alloy C22 supplies, which has been proven to supply the mandatory resistance to corrosion and likewise meets NDE requirements for HF acid. In addition, the pump’s secondary containment system is rated to forty bar (580 psi), eliminating the potential for leakage into the surroundings, and reducing operational risks and the associated prices to fulfill stringent environmental and health and security goals. Finally, there might be continuous monitoring to make sure a reliable sealless pump performance which incorporates leak detection instrumentation and protection towards dry pump running (power management monitor).
With no seals to leak, no seal buffer techniques to support and preserve and no supporting techniques, the latest magnetic drive sealless pump expertise provides vital safety, cost and operational advantages. Lower end-user installation prices and simplified upkeep requirements, make it an efficient whole-life proposition in comparability with typical mechanically sealed pumps.
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