HEAT EXCHANGING DEVICE OF DIRECT WATER AND STEAM MIXING Russian patent published in 2009 - IPC F22D1/28 

FIELD: heating systems.

SUBSTANCE: invention refers to water heating or steam cooling devices and can be used in all steam-and-water-utilising productions including laundries and thermal stations. Device includes at least two injection chambers (1 and 2) which are installed in-series in main pipeline (5) and which cause e.g. suction of low-potential steam from pipeline (10) of the additional flow. To the newly introduced chamber (1) installed stream-wise the first one there possible is suction supply both of low-potential steam and backflow of some part of mixed flow from the device outlet via the introduced pipeline. Use of one kg of low-potential dump steam with pressure of 2 kgf/cm² returns 650 kcal back to the process.

EFFECT: increasing outlet temperature without increasing steam flow rates.

2 cl, 3 dwg