Steam boilers are high pressure systems that work day and night under extreme conditions. To ensure their smooth function, the water that fed into them must have an optimum chemical balance to prevent damage to the boiler equipment. The minerals remaining in the vaporised boiler feedwater can corrode the piping system of the boiler system.
Chemicals are used at this point to regulate the water hardness and pH value in a manner similar to the treatment of drinking water. These include ammonia solutions, caustic soda and oxygen bonding agents such as hydrazine and other anti-corrosion protection methods. Dosing pumps controlled by measurement and control technology are used to feed the various liquid chemicals.
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