PROBLEM TO BE SOLVED: To provide a direct contact type condenser capable of increasing strength against internal pressure reduction while simplifying an interior reinforcing structure.SOLUTION: A direct contact type condenser comprises a first flow chamber and a first cooling water supply pipe. The first flow chamber flow mixture air containing steam and non-condensing gas in a first direction for cooling. The first cooling water supply pipe has a pipe part and a first emission part. The pipe part crosses with the first direction in which the mixture air flows in the first flow chamber, is inserted in holes provided on both of right and left or upper and lower walls of the first flow chamber, and fixed to both walls to press both walls. The first emission part sprays the cooling water supplied through the pipe part from outside to the mixture air.