Steam absorption-type heat exchanger

The utility model discloses a steam absorption-type heat exchanger. The steam absorption-type heat exchanger comprises lugs (1), a manhole (2), a steam exhaust pipe (3), a cold water inlet pipe (4), a barrel body (5), a water distributor (6), a hot water outlet pipe (7) and a steam inlet pipe (8), wherein the water distributor (6) comprises pipelines (10) and a conical distributor (9); the calibers of each layer of the pipelines of the water distributor (6) are different from each other; the pipelines are sleeved mutually; gaps are reserved among the pipelines which are sleeved mutually; cold water flows from the gaps to the conical distributor to form a water curtain; high-temperature steam penetrates through the water curtain from top to bottom; the heat in the high-temperature steam is absorbed by the cold water, the water temperature is raised, and high-temperature steam is changed into clean low-temperature steam, so that the effects of recovering and utilizing the steam and absorbing liquid sodium silicate are achieved; the waste of the steam is avoided; and environmental pollution is reduced.