Alstrom Heat Recovery Shell & Tube Heat Exchangers recover and utilize the heat, from liquid and gas streams, which is normally wasted. Generally in the boiler industry, boiler water blowdown is used to maintain the accumulated chemical concentration levels recommended by the boiler manufacturer. The wasted heat is transferred to the make up water in our ABD heat exchanger. Depending on steam consumption, the ratio of the blowdown water to the make up water volume flow rate is 0.02-0.20. The best heat transfer occurs when the blowdown water passes through the multiple passes of tubing and the make up water flows through the shell Alstrom heat exchangers ATC provides the countercurrent heat transfer for the crossing temperatures common in heat recovery installations. Depending on the temperatures and flow rates of the hot and cold streams, multiple shell heat exchanger AMS may be required.
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