Lubricating oil base oil and additive mixing device

By using the reverse rotation of the bidirectional stirring mechanism, the problem of insufficient shear force in the unidirectional rotation mixing device is solved, enabling rapid and uniform dispersion of the finished lubricating oil, and improving mixing efficiency and product quality stability.

CN223490805UActive Publication Date: 2025-10-31LIAONING QIZHONG LUBRICATING OIL MFG
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Patent Information

Application Number
CN202521999012.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-17
Publication Date
2025-10-31
Estimated Expiration
2035-09-17

AI Technical Summary

Technical Problem

In existing lubricating oil base oil and additive mixing devices, the movement of the stirring paddle is mostly unidirectional rotation, with weak shear force, resulting in long mixing time, low efficiency, and difficulty in achieving rapid and uniform dispersion.

Method used

The bidirectional stirring mechanism includes stirring blades that rotate in opposite directions on the first and second rotating shafts. The opposing rotation generates superimposed shear forces, forming an upward and downward convection material circulation field, eliminating mixing dead zones and improving dispersion uniformity.

Benefits of technology

It significantly shortens mixing time, improves mixing efficiency and product quality stability, reduces equipment maintenance costs, and enhances the economic efficiency of equipment operation.

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Abstract

The utility model provides a lubricating oil base oil and additive mixing device, which belongs to the technical field of lubricating oil raw material mixing, and comprises a tank body and a cover body, a coil pipe for regulating and controlling temperature is arranged in the tank body, a bidirectional stirring mechanism is arranged at the central axis position of the coil pipe, and the bidirectional stirring mechanism comprises a first rotating shaft and a second rotating shaft, the rotating direction of the second rotating shaft is opposite to the rotating direction of the first rotating shaft, and a plurality of stirring blades are arranged on the first rotating shaft and the second rotating shaft. A traditional single circulation mode of one-way rotation is broken through, mixing dead angles are effectively eliminated, meanwhile, due to superposition shearing force generated by reverse rotation, agglomerated particles in base oil and an additive can be quickly scattered, the mixing time is shortened, and the dispersion uniformity of the additive in the base oil is improved; and the problem of performance fluctuation of the lubricating oil finished product caused by non-uniform local concentration is avoided.
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