| 摘要 |
<p>The invention relates to an arrangement in a vacuum sewer system, which comprises a sewer network (2), which comprises a source of sewage (24) and sewer piping (28), which is intended for receiving sewage coming from the source of sewage, and a liquid driven ejector device (1), which functions as a source of vacuum for the vacuum sewer system. In order to improve the efficiency of and to ensure the function of the ejector device the ejector device (1) forms a primary circuit, which is separated from a secondary circuit formed by the sewage collecting process. <IMAGE></p> |
