Magnetic drive sealless pumps that includes new technologies, particularly designed for use 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 utility which poses specific challenges to process operators, together with the risks related to the handling of a lethal, highly corrosive fluid which poses a possible hazard to plant gear, the people 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 supply alkylate. A high-octane additive, alkylate is a important security part that offsets the high vapour stress 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 can additionally be liable for the anti-knocking property of unleaded petrol/gasoline in fashionable autos.
Potential dangers
The HF alkylation course of poses a number of severe environmental and well being and security risks if poorly managed, with the potential for acid runaway, accelerated tools corrosion and related HF launch. HF acid by its nature seeks out and assaults imperfections in forged metal elements that can in the end reduce the lifetime of pumps, valves and different gear and worse nonetheless, result 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 forged elements, significantly in terms of the pump casing and impeller.
Designed for resistance against extremely corrosive fluids corresponding to HF acids, magnetic drive sealless pumps provide complete containment with built-in reliability. Magnetic drive sealless pumps featuring new technologies have been specifically designed to be used in hydrofluoric acid alkylation units and had been developed in response to the challenges of dealing with HF acid.
เครื่องมือที่ใช้ในการวัดความดัน featuring new technologies have been particularly designed to be used in hydrofluoric acid alkylation items and had 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 main licensor of HF alkylation technology and HMD Kontro, and using an innovative development course of, the HMD Kontro HF pump includes a high integrity pump casing manufactured from Alloy C22 (ASTM A194 Gr. CX2MW) which has been tested using new strategies of Non-Destructive Examination (NDE).
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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 materials, which has been proven to offer the required 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 setting, and reducing operational dangers and the related costs to meet stringent environmental and well being and safety goals. Finally, there’s 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 support and keep and no supporting methods, the most recent magnetic drive sealless pump know-how offers significant security, price and operational benefits. Lower end-user installation prices and simplified maintenance necessities, make it an effective whole-life proposition compared to typical mechanically sealed pumps.
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