Sealless pump design tackles HF alkylation

Magnetic drive sealless pumps that includes new applied sciences, specifically designed to be used 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 standards through full fluid containment. – Image: HMD Kontro
Hydrofluoric acid alkylation is a chemical/hydrocarbon processing application which poses explicit challenges to course of operators, including the dangers related to the dealing with of a lethal, highly corrosive fluid which poses a potential hazard to plant equipment, the individuals who work on website and the wider environment should leaks occur.
The process
HF Alkylation combines olefins (primarily a combination 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 safety part that offsets the high vapour pressure of the ethanol mandated in today’s low-sulphur unleaded petrol and gasoline provides. The continual tightening of unpolluted fuels’ legislation has elevated the demand for alkylate, which can be responsible for the anti-knocking property of unleaded petrol/gasoline in modern autos.
Potential dangers
The HF alkylation course of poses a quantity of serious environmental and health and security 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 forged steel components that can ultimately reduce the lifetime of pumps, valves and different gear and worse still, end in product leakage. Failure-prone mechanical seals can leak dangerous course of fluids. The aggressive and damaging nature of HF acid places great significance on the selection of material of solid parts, notably when it comes to the pump casing and impeller.
Designed for resistance in opposition to extremely corrosive fluids similar to HF acids, magnetic drive sealless pumps offer complete containment with built-in reliability. Magnetic drive sealless pumps that includes new technologies have been particularly designed to be used 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 specifically designed to be used in hydrofluoric acid alkylation units and were 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 main licensor of HF alkylation expertise and HMD Kontro, and using an progressive growth course of, the HMD Kontro HF pump includes a excessive 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 features
Built into the design of these next era pumps are options which meet operator-specific needs for the HF alkylation course of. They include 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 forty bar (580 psi), eliminating the potential of leakage into the setting, and decreasing operational dangers and the related costs to meet stringent environmental and well being and safety objectives. Finally, there’s steady monitoring to make sure a reliable sealless pump efficiency which includes leak detection instrumentation and safety towards dry pump operating (power control monitor).
With pressure gauge วัด แรง ดัน น้ำ to leak, no seal buffer systems to assist and preserve and no supporting methods, the most recent magnetic drive sealless pump technology offers important security, value and operational advantages. Lower end-user installation costs and simplified maintenance necessities, make it an efficient whole-life proposition in comparison with conventional mechanically sealed pumps.
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