Dispersing, homogenizing and stirring device

Abstract

The utility model provides a dispersing, homogenizing and stirring device which comprises a support platform, a homogenizing and stirring kettle, a stirring mechanism and a dripping mechanism, the homogenizing and stirring kettle, the stirring mechanism and the dripping mechanism are arranged on the support platform, and the stirring mechanism comprises a stirring structure arranged in the homogenizing and stirring kettle and a driving structure arranged at the top of the homogenizing and stirring kettle. The stirring structure comprises a first stirring shaft, a second stirring shaft as well as a dispersing and homogenizing paddle and a frame paddle which are respectively connected with the first stirring shaft and the second stirring shaft; the driving structure comprises a dispersing and homogenizing motor and a stirring motor; the dispersing and homogenizing motor is connected with and drives the first stirring shaft to drive the dispersing and homogenizing paddle to rotate at high speed; the stirring motor is connected with and drives the second stirring shaft to drive the frame paddle to rotate at low speed; the dropwise adding mechanism comprises a dropwise adding temporary storage tank and a drainage pipe arranged in the homogeneous stirring kettle, and the dropwise adding temporary storage tank is communicated with the drainage pipe to dropwise add an aqueous solution into the homogeneous stirring kettle. According to the utility model, the stirring mechanism is optimized and the dripping mechanism is additionally arranged, so that rapid contact dripping of an aqueous solution is realized, and the dispersing, homogenizing and stirring efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of stirring transmission, and particularly relates to a dispersion and homogenization stirring device. Background Art

[0002] In the existing phase inversion production process of converting oil-based epoxy resin to water-based, the requirements for dispersion and stirring are very high. It is necessary to simultaneously meet the conditions of no dead angle in stirring, handling high viscosity, high dispersion shear force, material convection mixing, etc. The addition of aqueous solution is a dropping process, and it is required that water and resin contact quickly and fully, with high dispersion efficiency. If there is no good contact or uniform dispersion, the phase inversion will fail. Currently, the commonly used phase inversion dispersion equipment includes single-axis dispersers, single-axis mixers, or ordinary concentric double-axis dispersion mixers, etc., which cannot simultaneously meet the conditions of uniform dropping, strong dispersion and homogenization, and no dead angle in mixing.

[0003] Therefore, it is necessary to provide a dispersion and homogenization stirring device to solve or at least partially solve the above problems. Summary of the Utility Model

[0004] The utility model provides a dispersion and homogenization stirring device, which realizes uniform dispersion and stirring by optimizing the stirring mechanism, and realizes the rapid contact dropping of aqueous solution by adding a dropping mechanism, thereby improving the efficiency of dispersion and homogenization stirring.

[0005] To achieve the above object, the utility model provides the following technical solutions:

[0006] A dispersion and homogenization stirring device includes a support platform, a homogenization stirring kettle, a stirring mechanism and a dropping mechanism arranged on the support platform. The stirring mechanism includes a stirring structure arranged in the homogenization stirring kettle and a driving structure arranged on the top of the homogenization stirring kettle. The stirring structure includes a first stirring shaft, a second stirring shaft, a dispersion and homogenization paddle and a frame paddle respectively connected to the first stirring shaft and the second stirring shaft. The driving structure includes a dispersion and homogenization motor and a stirring motor. The dispersion and homogenization motor is connected to and drives the first stirring shaft to drive the dispersion and homogenization paddle to rotate at a high speed. The stirring motor is connected to and drives the second stirring shaft to drive the frame paddle to rotate at a low speed. The dropping mechanism includes a dropping storage tank and a diversion pipe arranged in the homogenization stirring kettle. The dropping storage tank is communicated with the diversion pipe to drop the aqueous solution into the homogenization stirring kettle.

[0007] Preferably, the ends of the first stirring shaft and the second stirring shaft both pass through the top of the homogenization stirring kettle and are arranged in the hull support. The dispersion and homogenization motor and the stirring motor are both installed on the hull support. The dispersion and homogenization motor drives the first stirring shaft to rotate through a belt transmission structure arranged in the hull support. The stirring motor drives the second stirring shaft to rotate through a chain transmission structure arranged in the hull support.

[0008] Preferably, the frame - type paddle and the dispersion - homogenization paddle rotate in opposite directions.

[0009] Preferably, it further includes a hydraulic lifting mechanism, and the hydraulic lifting mechanism drives the hull support to move up and down in the support platform, thereby driving the stirring mechanism to move up and down relative to the homogenizing and stirring kettle along with the hull support.

[0010] Preferably, the frame - type paddle includes frame - type paddle blades arranged in a U - shape, the dispersion - homogenization paddle includes a plurality of propeller blades and a dispersion disc arranged along the axial direction, the dispersion disc is in a gear shape, the dispersion disc is arranged at the bottom of the first stirring shaft, and a plurality of the three - blade propeller blades are arranged at equal intervals above the dispersion disc.

[0011] Preferably, the drain pipe extends between the frame - type paddle blades and the propeller blades.

[0012] Preferably, the dropping and temporary storage tank is arranged obliquely above the homogenizing and stirring kettle, and a dropping control valve is arranged between the dropping and temporary storage tank and the drain pipe.

[0013] Preferably, it further includes a vacuum pumping mechanism, and the vacuum pumping mechanism is connected to the homogenizing and stirring kettle to extract the internal air.

[0014] Preferably, the homogenizing and stirring kettle includes a kettle body and a sealing cover, the sealing cover is detachably and sealingly connected to the kettle body, a discharge valve is arranged at the center of the bottom of the kettle body, and a temperature sensor is arranged at the bottom of the kettle body.

[0015] Preferably, the inner wall of the kettle body is coated with a non - stick coating.

[0016] Compared with the prior art, the technical solution of the present utility model has beneficial effects.

[0017] For example, in this dispersion and homogenization stirring device, the cooperation of the high - speed dispersion - homogenization paddle and the low - speed frame - type paddle with concentric double - shafts is adopted to improve the fluidity of the material, increase the shear dispersion and homogenization ability, and effectively reduce the stirring dead angle; a dropping and temporary storage tank and a drain pipe are provided, and an aqueous solution is dropped into the homogenizing and stirring kettle through the connection of the dropping and temporary storage tank and the drain pipe. The drain pipe cooperates with the dispersion - homogenization paddle and the low - speed frame - type paddle to achieve the rapid contact dropping of the aqueous solution, thereby improving the dispersion and homogenization stirring efficiency.

[0018] For another example, a hydraulic lifting mechanism is provided to drive the hull support to move up and down in the support platform, thereby driving the stirring mechanism to move up and down relative to the homogenizing and stirring kettle along with the hull support, increasing the contact surface between the dispersion - homogenization paddle, the frame - type paddle and the material, and improving the dispersion and homogenization stirring efficiency.

[0019] For another example, a vacuum pumping mechanism is provided to pump the vacuum inside the kettle, accelerating the dropping speed of the aqueous solution in the drainage pipe, so as to better meet the process requirements of rapid addition of the aqueous solution.

[0020] For another example, a discharge valve is provided at the center of the bottom of the kettle body, reducing the mixing dead angle, reducing the material residue in the kettle body, and being convenient for cleaning while improving the cleaning efficiency. Description of the Drawings

[0021] Figure 1 It is a schematic structural diagram of the dispersion and homogenization stirring device in the embodiment of the present invention.

[0022] Description of the Reference Numerals:

[0023] 1. Support platform; 2. Stirring motor; 3. Hull support; 4. Dispersion and homogenization motor; 5. Dripping and temporary storage tank; 6. Sealing cover; 7. Drainage pipe; 8. Frame paddle; 9. Kettle body; 10. Dispersion and homogenization paddle; 11. Temperature sensor; 12. Discharge valve; 13. Vacuum pumping mechanism; 14. Hydraulic lifting mechanism. Detailed Embodiments

[0024] To make the objectives, features, and beneficial effects of the present invention more obvious and understandable, the detailed embodiments of the present invention will be described in detail below with reference to the drawings. It can be understood that the following described detailed embodiments are only used to explain the present invention and are not intended to limit the present invention. And, the same or similar reference numerals may be used in the drawings to refer to the same or similar elements in different embodiments, and the descriptions of the same or similar elements in different embodiments and the descriptions of the prior art elements, features, effects, etc. may also be omitted. It should be noted that the "axial direction", "radial direction", and "circumferential direction" in the following text all refer to the "axial direction", "radial direction", and "circumferential direction" of the first stirring shaft.

[0025] Figure 1 It is a schematic structural diagram of the dispersion and homogenization stirring device in the embodiment of the present invention.

[0026] Referring to Figure 1 , the embodiment of the present invention provides a dispersion and homogenization stirring device.

[0027] Specifically, it includes a support platform 1, a homogeneous stirring kettle, a stirring mechanism, and a dropping mechanism disposed on the support platform 1. The stirring mechanism includes a stirring structure disposed in the homogeneous stirring kettle and a driving structure disposed on the top of the homogeneous stirring kettle. The stirring structure includes a first stirring shaft, a second stirring shaft, a dispersion and homogenization paddle 10, and a frame paddle 8 respectively connected to the first stirring shaft and the second stirring shaft. The driving structure includes a dispersion and homogenization motor 4 and a stirring motor 2. The dispersion and homogenization motor 4 is connected to and drives the first stirring shaft to drive the dispersion and homogenization paddle 10 to rotate at a high speed. The stirring motor 2 is connected to and drives the second stirring shaft to drive the frame paddle 8 to rotate at a low speed. The dropping mechanism includes a dropping storage tank 5 and a diversion tube 7 disposed in the homogeneous stirring kettle. The dropping storage tank 5 is communicated with the diversion tube 7 to drop the aqueous solution into the homogeneous stirring kettle.

[0028] In some embodiments, the ends of the first stirring shaft and the second stirring shaft both penetrate out of the top of the homogeneous stirring kettle and are arranged in the hull support 3. The dispersion and homogenization motor 4 and the stirring motor 2 are both installed on the hull support 3. The dispersion and homogenization motor 4 drives the first stirring shaft to rotate through a belt transmission structure disposed in the hull support 3. The stirring motor 2 drives the second stirring shaft to rotate through a chain transmission structure disposed in the hull support 3.

[0029] In some embodiments, the rotation direction of the frame paddle 8 is opposite to that of the dispersion and homogenization paddle 10. The frame paddle 8 rotating in the opposite direction at a low speed to the dispersion and homogenization paddle 10 has a speed difference and a relatively close distance from the dispersion and homogenization paddle 10. Local negative pressure can suck the material into the virtual blade cavity between the dispersion and homogenization paddle 10 and the frame paddle 8, thereby greatly improving the fluidity of the material.

[0030] In some embodiments, it further includes a hydraulic lifting mechanism 14. The hydraulic lifting mechanism 14 drives the hull support 3 to move up and down in the support platform 1, and further drives the stirring mechanism to move up and down relative to the homogeneous stirring kettle along with the hull support 3.

[0031] In some embodiments, the frame paddle 8 includes a frame blade arranged in a U shape. The dispersion and homogenization paddle 10 includes a plurality of propulsion blades and a dispersion disk arranged axially. The dispersion disk is in a gear shape and is disposed at the bottom of the first stirring shaft. A plurality of three-blade propulsion blades are arranged at equal intervals above the dispersion disk. The gear-shaped dispersion disk rotates at a high linear velocity, improving the shear homogenization ability and increasing the overall shear dispersion and homogenization ability.

[0032] In some embodiments, the diversion tube 7 extends between the frame blade and the propulsion blade, which is beneficial to the contact and rapid mixing of the aqueous solution and the material.

[0033] In some embodiments, the dropping storage tank 5 is disposed obliquely above the homogeneous stirring kettle. A dropping control valve is arranged between the dropping storage tank 5 and the diversion tube 7 to control the flow rate and flow volume of the dropped aqueous solution.

[0034] In some embodiments, a vacuum pumping mechanism 13 is further included. The vacuum pumping mechanism 13 is connected to the homogenizing and stirring kettle to extract the air inside the kettle, accelerating the dropping speed of the aqueous solution in the drainage pipe 7, so as to better meet the process requirements of quickly adding the aqueous solution.

[0035] In some embodiments, the homogenizing and stirring kettle includes a kettle body 9 and a sealing cover 6. The sealing cover 6 is detachably and sealingly connected to the kettle body 9. A discharge valve 12 is provided at the center of the bottom of the kettle body 9, and a temperature sensor 11 is provided at the bottom of the kettle body 9. The temperature sensor 11 detects the temperature inside the kettle to assist in judging the feeding time.

[0036] In some embodiments, the inner wall of the kettle body 9 is coated with a non-stick coating to reduce the adhesion of materials, so that the commonly used scraping wall scraper design can be cancelled, thereby reducing the mixing dead angle.

[0037] Compared with the prior art, the technical solution of the present utility model has beneficial effects.

[0038] In summary, the dispersion and homogenization stirring device provided by the present utility model adopts the cooperation of the high-speed dispersion and homogenization paddle 10 with a concentric double shaft and the low-speed frame paddle 8 to improve the fluidity of the material, increase the shear dispersion and homogenization ability, and effectively reduce the stirring dead angle; a dropping and temporary storage tank 5 and a drainage pipe 7 are provided. The aqueous solution is dropped into the homogenizing and stirring kettle through the connection of the dropping and temporary storage tank 5 and the drainage pipe 7. The drainage pipe 7 cooperates with the dispersion and homogenization paddle 10 and the low-speed frame paddle 8 to realize the rapid contact dropping of the aqueous solution, and improve the dispersion and homogenization stirring efficiency.

[0039] Furthermore, the present utility model sets a hydraulic lifting mechanism 14 to drive the hull support 3 to move up and down in the support platform 1, and then drives the stirring mechanism to move up and down relative to the homogenizing and stirring kettle with the hull support 3, increasing the contact surface between the dispersion and homogenization paddle 10 and the frame paddle 8 and the material, and improving the dispersion and homogenization stirring efficiency.

[0040] Furthermore, the present utility model sets a vacuum pumping mechanism 13 to pump the vacuum inside the kettle, accelerating the dropping speed of the aqueous solution in the drainage pipe 7, so as to better meet the process requirements of quickly adding the aqueous solution.

[0041] Furthermore, the present utility model sets a discharge valve 12 at the center of the bottom of the kettle body 9, reducing the mixing dead angle, reducing the material residue in the kettle body, and being convenient for cleaning at the same time, improving the cleaning efficiency.

[0042] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the disclosure of the present utility model, even when a single embodiment is described only with respect to specific features. The feature examples provided in the disclosure of the present utility model are intended to be illustrative rather than limiting, unless otherwise stated. In specific implementations, according to actual needs and where technically feasible, the technical features of one or more dependent claims can be combined with the technical features of the independent claim, and can be from the technical features of the corresponding independent claim in any appropriate manner rather than only through the specific combinations listed in the claims.

[0043] Although the present utility model is disclosed as above, the present utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the scope defined by the claims.

Claims

1. A dispersion and homogenization stirring device, characterized in that, It includes a support platform, a homogeneous stirring kettle, a stirring mechanism and a dropping mechanism arranged on the support platform. The stirring mechanism includes a stirring structure arranged in the homogeneous stirring kettle and a driving structure arranged on the top of the homogeneous stirring kettle. The stirring structure includes a first stirring shaft, a second stirring shaft, a dispersion and homogenization paddle and a frame paddle respectively connected to the first stirring shaft and the second stirring shaft. The driving structure includes a dispersion and homogenization motor and a stirring motor. The dispersion and homogenization motor is connected to and drives the first stirring shaft to drive the dispersion and homogenization paddle to rotate at a high speed. The stirring motor is connected to and drives the second stirring shaft to drive the frame paddle to rotate at a low speed. The dropping mechanism includes a dropping storage tank and a diversion pipe arranged in the homogeneous stirring kettle. The dropping storage tank is communicated with the diversion pipe to drop the aqueous solution into the homogeneous stirring kettle.

2. The dispersion and homogenization stirring device according to claim 1, characterized in that, The ends of the first stirring shaft and the second stirring shaft both penetrate out of the top of the homogeneous stirring kettle and are arranged in the hull support. The dispersion and homogenization motor and the stirring motor are both installed on the hull support. The dispersion and homogenization motor drives the first stirring shaft to rotate through a belt transmission structure arranged in the hull support. The stirring motor drives the second stirring shaft to rotate through a chain transmission structure arranged in the hull support.

3. The dispersion and homogenization stirring device according to claim 2, wherein The rotation direction of the frame paddle is opposite to that of the dispersion and homogenization paddle.

4. The dispersion and homogenization stirring device according to claim 2, wherein It further includes a hydraulic lifting mechanism. The hydraulic lifting mechanism drives the hull support to move up and down in the support platform, and then drives the stirring mechanism to move up and down relative to the homogeneous stirring kettle along with the hull support.

5. The dispersion and homogenization stirring device according to claim 1, characterized in that The frame paddle includes a frame paddle blade arranged in a U shape. The dispersion and homogenization paddle includes a plurality of propulsion paddle blades arranged axially and a dispersion disc. The dispersion disc is in the shape of a gear. The dispersion disc is arranged at the bottom of the first stirring shaft. A plurality of the propulsion paddle blades are arranged at equal intervals above the dispersion disc.

6. The dispersion and homogenization stirring device according to claim 5, characterized in that, The diversion pipe extends between the frame paddle blade and the propulsion paddle blade.

7. The dispersion and homogenization stirring device according to claim 1, characterized in that, The dropping storage tank is arranged obliquely above the homogeneous stirring kettle. A dropping control valve is arranged between the dropping storage tank and the diversion pipe.

8. The dispersion and homogenization stirring device according to claim 1, wherein It further includes a vacuum pumping mechanism. The vacuum pumping mechanism is connected to the homogeneous stirring kettle to extract the internal air.

9. The dispersion and homogenization stirring device according to claim 1, characterized in that, The homogeneous stirring kettle includes a kettle body and a sealing cover. The sealing cover is detachably and sealingly connected to the kettle body. An outlet valve is arranged at the center of the bottom of the kettle body. A temperature sensor is arranged at the bottom of the kettle body.

10. The dispersion and homogenization stirring device according to claim 9, wherein The inner wall of the kettle body is coated with a non-stick coating.

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