Patent ID: 9677676
Date: 2017-06-13
CPC Classifications: F16K

Claim:
1. A one-way check valve for a solid particulate flow pipeline, the one-way check valve comprising a hollow cylindrical valve body having a top, a bottom and a side, wherein the valve body is vertical positioned, an outlet connected to the bottom of the hollow valve body, an inlet connected to the side of the valve body, wherein the inlet is orthogonally connected with the side of the valve body, an inlet insert extending into an inner potion of the valve body, an annular plate attached to the end of the inlet insert, wherein the annular plate having greater diameter than the inlet insert; wherein a sealing surface is attached to an end face of the annular plate, a movable hollow hemisphere positioned near an end of the inlet insert, having a greater diameter than the outer diameter of the inlet insert such that the movable hollow hemisphere is configured to cover the annular plate on the sealing surface, an anchor connected to the inner upper section of the valve body, a lever having an anchor in one end, wherein the anchor also in connection with the upper outer surface of the hemisphere, wherein the connection between the anchor and the lever and the connection between the lever and the hemisphere are rotatable, a spring attached within the hollow valve body, and wherein the spring is configured to stop an excessive movement of the movable hollow hemispherical, an auxiliary gas inlet nozzle located at the lower outer side of the valve body and below the inlet insert.