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บทความ เกจวัดแรงดัน

Sealless pump design tackles HF alkylation

Magnetic drive sealless pumps that includes new technologies, specifically 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 by way of complete fluid containment. – Image: HMD Kontro

Hydrofluoric acid alkylation is a chemical/hydrocarbon processing utility 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 gear, the individuals who work on website and the broader surroundings should leaks happen.
The course of

HF Alkylation combines olefins (primarily a mixture of propylene and butylene) with isobutene in the presence of a hydrofluoric acid catalyst to provide alkylate. A high-octane additive, alkylate is a crucial 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’ laws has elevated the demand for alkylate, which can be responsible for the anti-knocking property of unleaded petrol/gasoline in trendy automobiles.
Potential risks

The HF alkylation course of poses a quantity of critical environmental and well being and safety 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 cast metal components that will ultimately cut back the life of pumps, valves and other gear and worse still, result in product leakage. Failure-prone mechanical seals can leak dangerous course of fluids. The aggressive and damaging nature of HF acid places nice significance on the selection of fabric of forged elements, significantly by means of the pump casing and impeller.
Designed for resistance against highly corrosive fluids such as HF acids, magnetic drive sealless pumps offer total containment with built-in reliability. Magnetic drive sealless pumps that includes new applied sciences have been specifically designed to be used in hydrofluoric acid alkylation models and had been developed in response to the challenges of dealing with HF acid.
Magnetic drive sealless pumps featuring new applied sciences have been particularly designed for use in hydrofluoric acid alkylation units and have 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 leading licensor of HF alkylation know-how and HMD Kontro, and utilizing an revolutionary improvement process, the HMD Kontro HF pump features a high integrity pump casing manufactured from Alloy C22 (ASTM A194 Gr. CX2MW) which has been examined using new methods of Non-Destructive Examination (NDE).
digital pressure gauge

Built into the design of those subsequent technology pumps are features which meet operator-specific needs for the HF alkylation process. They embrace a pump casing in Alloy C22 supplies, which has been confirmed to offer the required resistance to corrosion and also meets NDE necessities 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 surroundings, and reducing operational dangers and the associated costs to fulfill stringent environmental and health and safety objectives. Finally, there is steady monitoring to ensure a reliable sealless pump performance which incorporates leak detection instrumentation and protection in opposition to dry pump working (power management monitor).
With no seals to leak, no seal buffer systems to support and preserve and no supporting systems, the newest magnetic drive sealless pump expertise provides important safety, cost and operational advantages. Lower end-user set up prices and simplified upkeep requirements, make it an effective whole-life proposition compared to typical mechanically sealed pumps.
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