| 摘要 |
A heat exchanger has a cylindrical body with tube bundle placed in it, the tubes are connected by tube cross sheets in such way that between the tube grates and the body hermetic chamber is formed, at that tube bundle is elongated out of the sheet to the side opposite to direction of inlet flow, and at the end of elongation additional tube sheet is installed, at that in the wall of at least one tube at section of bundle elongation at least one opening is provided. Hermetic chamber is connected to output part of the body with space between the body and insulation jacket that is placed along whole perimeter of cylinder course. |
