Auto Changeover for Gas Chlorinators

By: VJIKKS ENGG POWER (M) SDN BHD  04-05-2011
Keywords: Disinfection of water, Gas Chlorinators,

Auto Changeover for Gas Chlorinators
Whenever and wherever continuous and uninterrupted Chlorine gas supply is required then an Auto Change Over System is used.An Auto Change Over can be accomplished either by a Vacuum Auto Changeover or Electrical Auto Changeover.
 Vacuum Auto Changeover
Vacuum Auto Changeover Module is provided in Gas Chlorinators, to have continuous gas flow without any interruption. Normally, One Vacuum Regulator is mounted on each one of the two cylinders or Tonners. The outlet pipes from these Vacuum Regulators are connected to either side of the Auto Changeover Module. The outlet from the Auto Changeover Module is connected to Injector through a Rotameter and Flow Control Valve assembly. When the Injector is switched ON, Chlorine from one of the tonners flows through the Auto Changeover Module. Once the operating tonners become empty, then Vacuum is developed inside the Auto Changeover Module and activates the toggle switch assembly which changes over to the other filled tonner.  
Electrical Auto Changeover
Electrical Auto Changeover Module is provided in Gas Chlorinators, to have continuous gas flow without any interruption. It consists of Pressure Sensor, Motorized Valve, and Control Panel etc. There are two Manifolds each connected to one or a battery of filled tonners. When the system is started, one manifold will allow the gas to flow out from a tonner. As soon as the working tonner gets empty the pressure switch provided on the gas line will sense 'the no chlorine' condition and it will energise the motorized valve to open the standby manifold. If both Manifold are empty then the Control Panel will give an 'audio visual alarm'. The Valves on the Manifold can also be opened manually, by passing the Auto mode.

Keywords: Disinfection of water, Gas Chlorinators,

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