Surface World March 2019 SW_March_2019_LR | Page 74

PRE-TREATMENT, SURFACE PREPARATION, DEGREASING & CLEANING PTFE tank cleaners for harsh chemical environments The Challenge Hydrofluoric acid is well known for its ability to dissolve many materials including glass. Consequently many traditional ‘chemically resistant’ materials such as stainless steel are not suitable for use in tank cleaning applications where hydrofluoric acid exposure is likely. A further problem is that in many applications hydrofluoric acid can cause crystalisation of waste products onto surfaces which could potentially clog and block nozzles on cleaning systems. In this particular cleaning application required a wide cleaning diameter nearly 4 meters lowest coefficients of friction of any material which means that crystal deposits are far less likely to adhere to the tank cleaners surfaces. The only slight problem on this application was the need to adapt the standard BSP threaded connections with those that were compatible with the existing pipework. However, once a simple thread adaptation was made the HydroWhirl Poseidon tank cleaners proved to be an ideal solution to a challenging application. The Benefi ts (tank volume 38m3), so using static nozzles was not feasible. The potential problem of crystalisation also meant that the small orifices found in most typical spray balls were likely to be an issue. While most spinning or rotary tank cleaners could achieve the required reach, their metallic components would not withstand the challenges associated with cleaning these tanks. The Solution The HydroWhirl Poseidon is one of the few all PTFE tank cleaners on the market and is available from THE SPRAY NOZZLE PEOPLE. With absolutely no metal parts the all PTFE construction provides excellent resistance to even high concentrations of hydrofluoric acid. Furthermore, the added benefit of PTFE being extremely slippery, ensures one of the In addition to the essential requirement of chemical and corrosion resistance, the other design features of the HydroWhirl system ensure rapid cleaning and less water consumption as they operate at lower pressures compared to static tank wash systems. Also, connectivity should be simple and flexible given the possible variations at each site and this is helped by the 3 options of; pipe, tube or DIN clip-on, along with threaded connections available on request. Also, the use of FDA approved materials means the cleaners are ideal for use in clean-in-place (CIP) applications. Also, because the spray characteristics of the HydroWhirl system are designed for slow spinning and longer spray dwell time on the target surface, the result is increased impact compared to conventional rotating designs. Visit: www.spray-nozzle.co.uk New dates have been released for Surface World Live 2020. LIVE 2020 - we have everything covered 18th & 19th March 2020, Hall 11, NEC, Birmingham Surface World Live 2020 will be returning to Hall 11 at the NEC in Birmingham. The next show will be held on the 18th & 19th March 2020. If you are interested in booking a stand then call Nigel Bean on 01442 826826 or send him an email at [email protected] To see who has already reserved a stand at Surface World Live 2020 just visit: www.surfaceworld.com 72 MARCH 2019 read online: www.surfaceworld.com