| 摘要 |
The recuperator consists of a rectangular collector with a separating partition in the centre of each collector; inlet and outlet pipes with diameter of 3/4 - 2 inches; a battery of tubes of 3/8 inch drawn steel between the inlet and outlet manifolds. The heat recovery from an installation with maximum output of 20,000 kilo-calories (hour allows the water in a single-family heating system to be raised to 65 deg C.
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