Device for preventing feed liquid is excessive

The utility model provides a device for preventing feed liquid is excessive, includes the bucket joint of being connected with bucket wall gas vent, and the upper end butt joint of bucket joint has the lower little big awl cylindric reducing part that slopes to set up, and reducing part ends sealed has the elbow and exports setting under the slant, reducing part length is 90mm, and the main aspects diameter is 50mm, and the tip diameter connects outlet diameter with the bucket and matches, the elbow is 90 degrees elbows, and the diameter is 50mm, and the elbow radius is 90mm, the sub -center of reducing portion axis and jar body bucket wall be perpendicular to be 30 degrees double -layered angle tilt setting. The utility model discloses simple structure, function are practical, install the exhaust hole department at former heating cauldron, not only can effectively get rid of the inside unnecessary gas of heating cauldron, can also effectively prevent the excessive problem of the feed liquid that causes becau