Economisers for central heating systems - Import export

Economizer is a product which provides fuel saving and boiler efficiency in boilers, steam boilers, hot water boilers and hot oil boilers by using the heat of the flue gases in order to increase the temperature of the feed water (and fluids) in the system. The payback amortization of economizers varies depending on such factors as the capacity of the system, efficiency of the boiler, and its application areas. The pay-back period of an efficient economizer varies between 3 – 18 months.

In processes where there is waste flue gas heat at a relatively low temperature (e.g. chimney outlets of boilers), a significant amount of savings can be achieved by producing hot water. While the feed water fed to the boiler in steam boiler applications can be preheated with the heat taken, the hot water needed by the facility can be produced in various process chimneys. In cases where there is a low hot water demand, the flue gas temperature can be lowered below the condensation limit, and the total efficiency can be increased above 100% according to the lower heating value of the fuel. According to the application conditions, economizer design can be made with materials such as carbon steel, stainless steel, titanium or PTFE (Teflon). Economiser equipment can be designed with smoke pipe or water pipe according to process conditions, and can be offered to customers with CE marking when necessary.

Dosing pots are required in order to feed liquid chemicals such as corrosion inhibitors into closed systems. The dosing pots consist of a mild steel vessel with an inlet (return) and outlet (flow) valves, a drain valve, and a filling valve. A steel tundish, air release valve, wall mounting brackets, and a non-return valve. Dosing pots can also be supplied without the valves, and air release valve if requested.

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