7results about How to "Strong shear" patented technology

The invention discloses an efficient heat dissipation device based on non-Newtonian fluid and metal fins and a preparation method thereof.The efficient heat dissipation device comprises a sealing cover, a base and the porous metal fins, the sealing cover is internally provided with a containing cavity matched with the porous metal fins, the porous metal fins are arranged on the base, and the containing cavity is communicated with the base. The sealing cover covers the base, so that the sealing cover and the base form a sealed cavity structure, a working medium inlet and a working medium outlet are respectively formed in the sealing cover and are connected with an external liquid cooling circulation system, and a cooling working medium is a non-Newtonian fluid; according to the scheme, the non-Newtonian fluid is coupled with the porous fin structure, and the local viscosity of a working medium is actively regulated and controlled by utilizing a high shear field in the porous medium, so that the synergistic strengthening effect of low pump work and high heat exchange is realized.

The application discloses a split type shearing ram for blowout preventer, which comprises an upper shearing ram assembly and a lower shearing ram assembly. The upper shearing ram assembly comprises an upper shearing ram body, an upper shearing cutter body and a first clamping plate. The upper shearing cutter body is in concave-convex cooperation with the upper shearing ram body and is connected through a fastening screw. The upper shearing ram body is connected with a first ram shaft through the first clamping plate. The lower shearing ram assembly comprises a lower shearing ram body, a lower shearing cutter body and a second clamping plate. The lower shearing ram body is in concave-convex cooperation and sliding connection with the upper shearing cutter body. The lower shearing cutter body is in concave-convex cooperation with the lower shearing ram body and is connected through a fastening screw. Meanwhile, the cutting edge of the lower shearing cutter body corresponds to the cutting edge of the upper shearing cutter body. The lower shearing ram body is connected with a second ram shaft through the second clamping plate. The first ram shaft and the second ram shaft are located on the same horizontal line. The application has low maintenance cost, good shearing stability, reliable connection, convenient disassembly and assembly and strong shearing capacity.

This utility model relates to the technical field of adhesive production equipment and discloses an automatic adhesive batching and mixing device, including an inclined support and a shuttle-shaped material tank. A feed pipe is rotatably provided on one side of the inclined support, and a batching component is provided at the feed end of the feed pipe. The feed pipe is rotatably connected to one end of the shuttle-shaped material tank. A discharge pipe is rotatably provided on the other side of the inclined support. A stirring rod connecting the feed pipe and the discharge pipe is provided inside the shuttle-shaped material tank, and the discharge pipe is rotatably connected to the other end of the shuttle-shaped material tank. By rotatably connecting the feed pipe and the discharge pipe to the shuttle-shaped material tank, a rigid connection between the shuttle-shaped material tank and the feed pipe and discharge pipe is avoided. A drive component can drive gear ring one and gear ring two to rotate in opposite directions. Gear ring one and gear ring two can respectively drive the shuttle-shaped material tank and the stirring rod to rotate in opposite directions, forming a powerful shearing and kneading effect, completely eliminating mixing dead zones.

The present application relates to the technical field of lamination machine, in particular to a double-host composite lamination machine, which comprises a lamination frame, a winding roller, a steering roller, a composite roller and a flat die head are arranged on the lamination frame, the flat die head is located between the steering roller and the composite roller, further comprising a glue scraping mechanism, the glue scraping mechanism comprises a glue scraping plate attached to the bottom of the composite roller, and a cleaning strip capable of reciprocating is arranged on the glue scraping plate; a deep cleaning mechanism, the deep cleaning mechanism comprises a driving shaft and a turntable arranged on both sides of the driving shaft, a plurality of cleaning rollers arranged in a circular array around the driving shaft are arranged on the turntable, the cleaning rollers are rotatably connected to the turntable, and one end of the cleaning rollers is provided with a driven gear. The present application constructs a progressive composite roller cleaning process from rough scraping to fine cleaning through the cooperation of the glue scraping mechanism and the deep cleaning mechanism, the two cooperate with each other to realize multiple cleaning of the surface of the composite roller, effectively prevent the protrusion caused by waste material during compounding, and ensure the flatness of the lamination layer and the compounding quality.

This utility model relates to a novel grinding disc-assisted grinding device for a sand mill, comprising a frame, a variable frequency motor fixedly installed inside the frame, a bearing seat fixedly installed above the frame, a drive shaft mounted on the bearing seat, the variable frequency motor and the drive shaft connected by a drive belt device, a grinding cylinder fixedly mounted on the bearing seat by grinding cylinder fixing bolts, and an end cap fixedly mounted on the other end of the grinding cylinder by end cap fixing bolts. The bearing seat, grinding cylinder and end cap form a sealed grinding chamber, in which a grinding disc, a conical spacer and a rotor are arranged. The conical spacer is a spacer with a tapered structure. The grinding disc and the conical spacer are mounted on the drive shaft, and the rotor is mounted at the farthest end of the drive shaft. The stirring device composed of the grinding disc, the conical spacer and the rotor rotates with the drive shaft. This utility model solves the problems of traditional cylindrical spacers not being able to fully utilize the grinding chamber space and having low grinding efficiency, and square spacers having high energy consumption and relatively insufficient uniform mixing ability.

The application discloses a kind of methyl ester waste water multistage processing equipment in saccharin production process, it is related to wastewater treatment technical field, to solve the technical problem that mixing is difficult when existing nozzle dosing is to high viscosity, easy stratification wastewater, including air flotation tank, drug delivery system, dosing mechanism and support frame.The application can realize the intelligent switching of two kinds of mixing modes, wherein the "vortex ring injection" mode can be further subdivided into vertical and horizontal action form: when vertical injection, vortex ring forms vertical entrainment using buoyancy effect, can realize macroscopic circulation and depth mixing from bottom to top for liquid of whole pool depth, especially suitable for breaking heavy stratification and strengthening mass transfer;When horizontal injection, vortex ring spreads horizontally along density interface, produces strong shear and disturbance, can quickly homogenize interface concentration and prevent local precipitation, suitable for large-area shallow mixing;Another "jet injection" mode forms multiple concentrated high-speed jets through jet pipe array.

This utility model discloses a reciprocating vertical high-speed mixer, including a container; a mixing mechanism, including a splined shaft that can slide up and down relative to the container and a mixing shaft fixedly connected to the bottom of the splined shaft, wherein mixing blades are rotatably connected to the outer wall of the mixing shaft, and the mixing blades are rotatably engaged with the mixing shaft through a telescopic connecting rod assembly; a drive component, which is disposed on the container to drive the splined shaft to rotate and achieve material mixing; a reciprocating mechanism, which is installed on the top of the container to drive the splined shaft to perform up and down reciprocating motion inside the container; and a mixing angle adjustment mechanism, which is installed on the top of the reciprocating mechanism to control the mixing blades to switch between a first angle and a second angle during the reciprocating motion of the splined shaft. The reciprocating vertical high-speed mixer provided by this utility model achieves high-speed rotation through the drive component and up and down reciprocating motion through the cooperation of electromagnetic and spring mechanisms, breaking the single two-dimensional flow field and causing strong convection and shearing of the materials in each layer inside the container.