Direct contact water heater

摘要

A direct contact water heater comprises a cylindrical column having a plurality of heat exchange bodies disposed in the upper portion thereof, a spraying device disposed above the heat exchange bodies for discharging water thereon, and a heating device disposed in the lower end of the column. The heating device comprises a burner oriented into the column and tangentially relative to the inner surface thereof. A shield extends across a portion of the column and above at least the initial path of the burner flame as it follows the contour of the column.