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 dealing with HF acid.
The new HMD Kontro sealless pump ensures conformity with all environmental well being and safety requirements by way of complete fluid containment. – Image: HMD Kontro
Hydrofluoric acid alkylation is a chemical/hydrocarbon processing software which poses particular challenges to process operators, including the dangers associated with the dealing with of a deadly, extremely corrosive fluid which poses a possible hazard to plant gear, the individuals who work on website and the wider setting should leaks happen.
The process
HF Alkylation combines olefins (primarily a mix of propylene and butylene) with isobutene within the presence of a hydrofluoric acid catalyst to provide alkylate. A high-octane additive, alkylate is a important security element that offsets the high vapour stress of the ethanol mandated in today’s low-sulphur unleaded petrol and gasoline provides. The continual tightening of unpolluted fuels’ legislation has increased the demand for alkylate, which can be liable 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 health and safety dangers if poorly managed, with the potential for acid runaway, accelerated tools corrosion and associated HF launch. HF acid by its nature seeks out and attacks imperfections in solid metallic elements that may in the end reduce the life of pumps, valves and different equipment and worse nonetheless, end in product leakage. Failure-prone mechanical seals can leak dangerous process fluids. The aggressive and damaging nature of HF acid places great significance on the selection of material of cast elements, notably 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 provide total containment with built-in reliability. Magnetic drive sealless pumps featuring new applied sciences have been specifically designed for use in hydrofluoric acid alkylation models and have been developed in response to the challenges of dealing with HF acid.
Magnetic drive sealless pumps featuring new technologies have been particularly designed for use in hydrofluoric acid alkylation models and have 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 expertise and HMD Kontro, and using an progressive improvement process, the HMD Kontro HF pump contains a excessive integrity pump casing manufactured from Alloy C22 (ASTM A194 Gr. CX2MW) which has been tested using new methods of Non-Destructive Examination (NDE).
Specialist design options
Built into the design of these next technology pumps are options which meet operator-specific needs for the HF alkylation process. They include a pump casing in Alloy C22 supplies, which has been proven to offer the required resistance to corrosion and likewise meets NDE necessities for HF acid. In เครื่องมือที่ใช้วัดความดัน , the pump’s secondary containment system is rated to forty bar (580 psi), eliminating the potential for leakage into the surroundings, and reducing operational dangers and the related prices to satisfy stringent environmental and well being and safety targets. Finally, there is steady monitoring to make sure a reliable sealless pump performance which includes leak detection instrumentation and safety towards dry pump running (power management monitor).
With no seals to leak, no seal buffer methods to assist and keep and no supporting techniques, the newest magnetic drive sealless pump expertise provides vital safety, value and operational benefits. Lower end-user set up prices and simplified upkeep requirements, make it an efficient whole-life proposition in comparability with standard mechanically sealed pumps.
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