Limescale Protection as Strong as Bullet Proof Glass
The Saipa Shishe Company, located in Qazvin, Iran, produce specialist glass such as laminated and tempered automotive glass, safety glass, and bullet proof glass. In production, the Saipa Shishe Company relies on an autoclave, a machine that uses the three stage process of heating, holding and cooling to laminate glass. During production, the autoclave is loaded with the glass, and the internal temperature increased to 150oC and a pressure of 180psi for approximately 60 minutes. The heaters are then turned off, and cooling water is pumped through the coils in order to decrease the temperature to 50oC whilst the glass is still under full pressure. It is important the glass is not de-pressurized earlier. When the temperature reaches 50oC and the pressure is almost equal to the atmosphere’s pressure, the door is opened and the finished product removed.
However, due to the hardness of the water at the Saipa Shishe Company, limescale build up was a major problem, and the coils of the autoclave needed to be manually descaled every two months with the use of strong chemicals. This process was both time consuming and expensive, with each ‘clean’ meaning the autoclave was out of service for two days. The use of acid also caused damage to the heating elements of the system, reducing its life to only three or four washes.
As a result, the maintenance team at the Saipa Shishe Company looked into chemical free alternatives to prevent limescale, and decided to trial the AquaKlear P-100. The unit was installed on the pump’s outlet pipe in the pump room, and was found to be extremely effective at preventing and removing limescale. In the 16months since the P-100 was installed, the autoclave has been in constant use without any running problems.
Hydropath’s AquaKlear P-100 prevents the build up of all limescale deposits, including calcium carbonate, by emitting randomly varying electric fields throughout the system. The result is the production of nuclei throughout the water system. When the water is heated, the resulting precipitate that usually deposits on hot surfaces grows in suspension and develops as a crystal on the nuclei, which is then washed away in the flow. The fields treat the water both up and down stream and will be transmitted into the plumbing system to treat the primary water. The treated water is normally able to dissolve existing scale in just a few months.
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