Disclosed is a stirring device (D) including a screw shaft (1) driven by a drive unit, the screw shaft (1) being guided with respect to a body by way of a bearing, the stirring device furthermore including a seal (8) rigidly secured to the body and in contact with the ball joint (7) so as to ensure sealing with respect to the fluid to be stirred. The seal (8) is mounted on a seal holder (9), the seal holder (9) including a contact region (10) and being able to take up two positions, a first, operating position in which the seal (8) is in contact with the ball joint (7), and a second, maintenance position in which the contact region (10) is in contact with the ball joint (7).

The present invention is a container lid to be fitted on a container having materials used for constructions and/or maintenance of a structure and container lid facilitates mixing. Moreover, container lid has at least one mixer hole that is capable for permitting a portion of mixing paddle to pass through. When container lid is positioned over container, mixing paddle is rotated power drill, operated by a user, to mix materials within the container. Also, container lid has openings for permitting material/aid for mixing like water so that material/aid reaches container and enables mixing. Container lid and container are formed from existing material boxes like paintboxes, and hence such mixing is possible at a very low cost.

Disclosed is a stirring device (D) including a screw shaft (1) driven by a drive unit, the screw shaft (1) being guided with respect to a body by way of a bearing, the stirring device furthermore including a seal (8) rigidly secured to the body and in contact with the ball joint (7) so as to ensure sealing with respect to the fluid to be stirred. The seal (8) is mounted on a seal holder (9), the seal holder (9) including a contact region (10) and being able to take up two positions, a first, operating position in which the seal (8) is in contact with the ball joint (7), and a second, maintenance position in which the contact region (10) is in contact with the ball joint (7).

An integrated closure-stirrer cookware device for stirring while the closure is attached to the cookware includes a pot having an open top. An outer lid, which is complementary to the open top, is reversibly couplable to the pot. The outer lid is not rotatable relative to the pot. An opening, which is circular, is positioned in the outer lid. An inner lid, which is complementary to the opening, is sealably and rotatably coupled to the outer lid. The inner lid is rotatable relative to the outer lid. A stirrer that has a top end and a working end is positioned through a penetration positioned in the inner lid. The penetration is positioned proximate to a perimeter of the inner lid. The working end extends transversely from a bottom of the inner lid. A vent is positioned through the outer lid such that steam escaping through the vent is directed away from the inner lid.

A biogas plant contains a fermenter vessel, in which an assembly support is mounted, preferably vertically oriented. An assembly, in particular a submersible motor driven stirrer, is retained by a height adjustment device so as to be vertically adjustable on the assembly support. Accordingly, the height adjustment device is formed by a belt drive of which a traction device is guided around at least two deflecting elements spaced apart from one another in the longitudinal direction of the assembly support. At least one of the deflecting elements can be driven in rotation by a driving device and the assembly is coupled to the traction device in such a way that when the deflecting element is rotationally actuated in a first direction the assembly is raised and when the deflecting element is rotationally actuated in a second, opposite direction, the assembly is lowered.

A stirring and separating device for high-value components of a waste PCB and a control method thereof are disclosed. The stirring and separating device comprises an insulated outer tank for accommodating a desoldering flux. The insulated outer tank is provided with a stirring mechanism. The stirring mechanism includes a main rotation shaft. A plurality of spaced cross beams are mounted at a bottom of the main rotation shaft. Each of the cross beams is provided with a secondary rotation shaft. A bottom of each of the secondary rotation shafts is rotationally connected with a stirring wheel through at least two connecting rods. At least two connection points are formed between each of the at least two connecting rods and the stirring wheel. When any one or more of the at least two connection points are disconnected, the stirring wheel rotates to a different angle.