| 摘要 |
A well jet pump has a body with mixing chamber, diffuser, branch pipe for active medium supply, this is made tangent, and branch pipe for passive medium supply. The outlet section of flow-through section of branch pipe is made diverging and formed with conical surface which forms with the body a swirl circular receiving chamber and annular active nozzle and in which a back valve is mounted coaxially to the body. The pump has as well installed in body with possibility of axial displacement mixing chamber with diffuser and screen installed at inlet to branch pipe for passive medium supply. The pump is equipped with additional branch pipe for supply under pressure of active medium or air to inner cavity of the screen at its blinding.
|
