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CN-224221200-U - Perfluoropolyether mixing stirring homogenizing device

CN224221200UCN 224221200 UCN224221200 UCN 224221200UCN-224221200-U

Abstract

The utility model discloses a perfluoropolyether mixing and stirring homogenizing device, which comprises a totally-enclosed stirring cabin; the totally-enclosed stirring cabin comprises a stirring tank and a sealing cover, wherein the center of the stirring tank is rotationally connected with a stirring shaft through a sealing bearing, the outer side of the stirring shaft is fixedly connected with stirring blades, the center of the sealing cover is rotationally connected with a driving shaft through the sealing bearing, the totally-enclosed stirring cabin is formed by installing the sealing cover on the top of the stirring tank, then the driving shaft is in butt joint with the stirring shaft, the upper fixing box is communicated with the lower fixing box through the flow guide channel, the first external interface and the second external interface are in butt joint with an external water cooling circulation system, so that cooling water passes through the driving shaft, the stirring shaft and the stirring blade along the flow guide channel, the stirring blade is cooled in a heat exchange mode, and the phenomenon that the heat generated by friction between the oily liquid of the perfluoropolyether and the stirring blade in the stirring homogenization process causes the heat accumulation in the perfluoropolyether to influence the change of the performance is avoided.

Inventors

  • Cheng Yanfan

Assignees

  • 上海鼎黔生物医药有限公司

Dates

Publication Date
20260512
Application Date
20250604

Claims (8)

  1. 1. A perfluoropolyether mixing and homogenizing device, comprising: A totally enclosed stirring cabin; The full-closed stirring cabin comprises a stirring tank (1) and a sealing cover (2), wherein a stirring shaft (3) is rotationally connected to the center of the stirring tank (1) through a sealing bearing, stirring blades (4) are fixedly connected to the outer side of the stirring shaft (3), a driving shaft (5) is rotationally connected to the center of the sealing cover (2) through the sealing bearing, one ends, opposite to the driving shaft (5), of the stirring shaft (3) penetrate through the full-closed stirring cabin and are in butt joint, an upper fixing box (6) and a lower fixing box (7) are respectively fixed to the bottoms of the sealing cover (2) and the stirring tank (1), a first outer interface (8) and a second outer interface (9) are respectively communicated to the side walls of the upper fixing box (6) and the side walls of the lower fixing box (7), the driving shaft (5) and the upper fixing box (6) are rotationally connected through the sealing bearing, and one ends of the stirring shaft (3) penetrate through the inner cavity of the lower fixing box (7); The inside of drive shaft (5), (3) stirring vane (4) is provided with water conservancy diversion passageway (10) of intercommunication, and the both ends of water conservancy diversion passageway (10) are connected with fixed box (6) and fixed box (7) down respectively.
  2. 2. The perfluoropolyether mixing and stirring homogenizing device of claim 1, wherein the upper end of the stirring shaft (3) is fixedly provided with a plug connector (11), the lower end of the driving shaft (5) is provided with a plug connector (12), the plug connector (11) is plugged in the plug connector (12), the lower end of the driving shaft (5) is positioned outside the plug connector (12) and is fixedly provided with a polygonal clamping ring (13), and the upper end of the stirring shaft (3) is provided with a clamping groove (14) matched with the clamping ring (13).
  3. 3. The perfluoropolyether mixing and stirring homogenizing device according to claim 1, wherein a mounting frame (15) is fixed at the top of the sealing cover (2), a stirring motor (16) is fixed at the top of the mounting frame (15), and an output shaft of the stirring motor (16) is fixedly connected with the driving shaft (5) through a coupling.
  4. 4. The perfluoropolyether mixing and stirring homogenizing device according to claim 1, wherein the top of the sealing cover (2) is communicated with an external connection pipe (17), and a manual gate valve is arranged on the external connection pipe (17).
  5. 5. The perfluoropolyether mixing and stirring homogenizing device of claim 2, wherein the outer side of the plug connector (11) is provided with a groove (18), a sealing ring (19) is sleeved in the groove (18), and the outer side of the sealing ring (19) extends to the outer side of the groove (18) and is in extrusion fit with the inner wall of the plug connector (12).
  6. 6. The perfluoropolyether mixing and stirring homogenizing device according to claim 1, wherein one side of the sealing cover (2) is hinged to one side of the top of the stirring tank (1), and the stirring tank (1) is locked with the other side of the sealing cover (2) through a hasp.
  7. 7. The perfluoropolyether mixing and stirring homogenizing device according to claim 1, wherein positioning columns (20) are fixed on the periphery of the top of the stirring tank (1), and positioning holes (21) matched with the positioning columns (20) are formed in the bottom of the sealing cover (2).
  8. 8. The perfluoropolyether mixing and stirring homogenizing device of claim 1, wherein a sealing rubber gasket (22) is arranged on the upper end surface of the stirring tank (1) in a cushioning manner, and the sealing rubber gasket (22) is sleeved on the outer side of the positioning column (20).

Description

Perfluoropolyether mixing stirring homogenizing device Technical Field The utility model relates to the technical field of stirring, in particular to a perfluoropolyether mixing and stirring homogenizing device. Background The perfluor polyether is a synthetic polymer which is liquid at normal temperature, the molecular structure of the perfluor polyether is only C, F, O elements, C-H bonds in hydrocarbon molecules are replaced by stronger C-F bonds, and C-O and C-C covalent bonds are reserved, so that the perfluor polyether oil has unique chemical and physical properties, the viscosity index of the perfluor polyether oil is 150-400, and the viscosity index of the perfluor polyether oil is larger as the molecular weight of the perfluor polyether oil is larger. The high viscosity material and the friction heat of the stirrer, the container wall and the like during the stirring process can cause overhigh local temperature, the perfluoropolyether can be degraded or have performance change at high temperature to influence the product quality, air is easily introduced during the stirring process to form bubbles, and the bubbles are difficult to rapidly discharge, so that the uniformity and the subsequent processing performance of the material can be influenced. The bubble problem is even more pronounced if in some applications sensitive to bubbles, such as high precision coating preparation. Disclosure of utility model The utility model aims to provide a perfluoropolyether mixing and stirring homogenizing device, which is characterized in that a water cooling circulation system is externally connected with a first external interface and a second external interface, cooling water flows through the inside of a driving shaft, a stirring shaft and a stirring blade along a diversion channel to realize heat exchange, the structure of a stirrer is cooled, then the temperature of the contact surface of the stirrer and a high-viscosity material is reduced in the stirring friction process of the stirrer and the high-viscosity material, the heat accumulation in the viscous material is avoided, and the stability and the performance change of the material are influenced, so that the problems in the prior art are solved. In order to achieve the aim, the utility model provides the following technical scheme that the perfluoropolyether mixing and stirring homogenizing device comprises: A totally enclosed stirring cabin; The full-closed stirring cabin comprises a stirring tank and a sealing cover, wherein the center of the stirring tank is rotationally connected with a stirring shaft through a sealing bearing, the outer side of the stirring shaft is fixedly connected with stirring blades, the center of the sealing cover is rotationally connected with a driving shaft through the sealing bearing, one ends of the stirring shaft and the driving shaft, which are opposite, penetrate through the inside of the full-closed stirring cabin and are in butt joint, the bottoms of the sealing cover and the stirring tank are respectively fixed with an upper fixing box and a lower fixing box, the side walls of the upper fixing box and the lower fixing box are respectively communicated with a first external interface and a second external interface, the driving shaft and the upper fixing box are rotationally connected through the sealing bearing, and one end of the stirring shaft penetrates through the inner cavity of the lower fixing box; The inside of drive shaft, (mixing) shaft and stirring vane is provided with the water conservancy diversion passageway of intercommunication, and the both ends of water conservancy diversion passageway are respectively with last fixed box and fixed box intercommunication down. Preferably, the upper end of the stirring shaft is fixed with a plug, the lower end of the driving shaft is provided with a plug interface, the plug interface is plugged in the plug interface, the lower end of the driving shaft is positioned at the outer side of the plug interface and is fixed with a polygonal clamping ring, and the upper end of the stirring shaft is provided with a clamping groove matched with the clamping ring. Preferably, the top of sealed lid is fixed with the mounting bracket, the top of mounting bracket is fixed with agitator motor, agitator motor's output shaft passes through shaft coupling fixed connection with the drive shaft. Preferably, the top of the sealing cover is communicated with an external connection pipe, and a manual gate valve is arranged on the external connection pipe. Preferably, the outer side of the plug connector is provided with a groove, the groove is sleeved with a sealing ring, and the outer side of the sealing ring extends to the outer side of the groove and is extruded and attached to the inner wall of the plug connector. Preferably, one side of the sealing cover is hinged to one side of the top of the stirring tank, and the stirring tank is locked with the other side of the sealing cove