A dilution and mixing device for hydration of polyacrylamide PAM dry powder

Abstract

The utility model relates to the technical field of polyacrylamide, and discloses a dilution and mixing device for hydrating polyacrylamide PAM dry powder, comprising a mixing barrel, a rotating ring is rotatably installed in the inner wall of the upper end of the mixing barrel, a bearing is installed on the inner wall of the rotating ring, an inner stirring rod is installed on the inner ring wall of the bearing, the stirring end of the stirring rod extends into the interior of the mixing barrel, a second bevel gear is installed on the upper end of the stirring rod, a first bevel gear is installed on the upper end of the rotating ring, a third bevel gear is driven to rotate by a motor, and the third bevel gear can drive the first bevel gear and the second bevel gear to rotate in opposite directions, and then, under the cooperation of the bearing, the first bevel gear and the second bevel gear respectively drive the rotating ring and the inner stirring rod to rotate in opposite directions, so that the inner stirring rod and the outer stirring rod that rotate in opposite directions can play a better mixing role on the raw materials in the mixing barrel, facilitate the dispersion of the polyacrylamide, and enhance the dilution and mixing effect of the polyacrylamide.

Description

Technical Field

[0001] The utility model relates to the technical field of polyacrylamide, in particular to a dilution and mixing device for hydrating polyacrylamide PAM dry powder. Background Art

[0002] Polyacrylamide (PAM) is a linear polymer. Polyacrylamide is a water-soluble linear polymer formed by free radical-initiated polymerization of acrylamide (AM) monomers. It has good flocculation properties and can reduce frictional resistance between liquids. It is one of the most widely used water-soluble polymers. Polyacrylamide is a hard glassy solid at room temperature. The product is in the form of glue, latex, white powder, translucent beads and flakes. It can be dissolved in water in any proportion. The aqueous solution is a uniform transparent liquid. After long-term storage, the solution viscosity may decrease due to polymer degradation. Polyacrylamide has good thermal stability and chemical stability.

[0003] When traditional mixing mechanisms mix polyacrylamide, due to the characteristics of polyacrylamide, when it comes into contact with water, the mixing effect is not good and may cause lumps of polyacrylamide to appear. Utility Model Content

[0004] The utility model aims to provide a dilution and mixing device for hydrating polyacrylamide PAM dry powder, which solves the problem that when a traditional mixing mechanism mixes polyacrylamide, due to the characteristics of polyacrylamide, the mixing effect is not good when it comes into contact with water, which may cause lumps of polyacrylamide.

[0005] The embodiment of the present application provides a dilution and mixing device for hydrating polyacrylamide (PAM) dry powder, comprising a mixing barrel, a rotating ring is rotatably installed in the inner wall of the upper end of the mixing barrel, a bearing is installed on the inner wall of the rotating ring, an inner stirring rod is installed on the inner ring wall of the bearing, the stirring end of the stirring rod extends into the interior of the mixing barrel, a second bevel gear is installed on the upper end of the stirring rod, a first bevel gear is installed on the upper end of the rotating ring, a third bevel gear is meshed with the outer walls of the first bevel gear and the second bevel gear, a motor is installed on the upper end of the mixing barrel, the output shaft of the motor is fixedly connected to the third bevel gear, an outer stirring rod is installed on the outer wall of the rotating ring, and the stirring blades of the outer stirring rod and the stirring blades of the inner stirring rod are staggered.

[0006] By adopting the above technical solution, the third bevel gear is driven to rotate by the motor, and the third bevel gear can drive the first bevel gear and the second bevel gear to rotate in the opposite direction. Then, with the cooperation of the bearing, the first bevel gear and the second bevel gear respectively drive the rotating ring and the inner stirring rod to rotate in the opposite direction, so that the inner stirring rod and the outer stirring rod rotating in the opposite direction can better mix the raw materials inside the mixing barrel, facilitate the dispersion of polyacrylamide, and enhance the dilution and mixing effect of polyacrylamide.

[0007] Optionally, a water inlet pipe is installed on the outer wall above the mixing cylinder, and a second valve is installed inside the water inlet pipe.

[0008] By adopting the above technical solution, the mixing cylinder can fix the water inlet pipe, and the second valve can close and open the water inlet pipe, thereby facilitating the water inlet pipe to add water to the inside of the mixing cylinder.

[0009] Optionally, a feed hole is opened on the upper side of the mixing cylinder, a feed cylinder is installed on the upper end of the mixing cylinder above the feed hole, and an injection pipe is installed on the upper end of the feed cylinder.

[0010] By adopting the above technical solution, the material can be added to the inside of the mixing cylinder through the arrangement of the injection pipe, the feeding cylinder and the feeding hole.

[0011] Optionally, a flap plate is hinged on the inner wall of the feed barrel, a first magnet is installed on the outer wall of the flap plate away from the hinge, and a second magnet is installed on the inner wall of the feed barrel, and the first magnet and the second magnet are attracted to each other.

[0012] By adopting the above technical solution, the flap plate can rotate on the inner wall of the feed barrel with the cooperation of the hinge, and then the first magnet and the second magnet are adsorbed to position the flap plate.

[0013] Optionally, a connecting rod is installed on the inner wall of the feed barrel, and a spring is installed on the lower end of the connecting rod away from the inner wall of the feed barrel, and the lower end of the spring is fixedly installed on the upper end of the flip plate.

[0014] By adopting the above technical solution, the feed barrel can fix the connecting rod, and the spring can connect the connecting rod and the flip plate, thereby facilitating the resetting of the flip plate after unloading.

[0015] Optionally, a feed pipe is installed at the lower end of the mixing cylinder, and a first valve is installed inside the feed pipe.

[0016] By adopting the above technical solution, the mixing barrel can fix the discharge pipe, and the first valve can close and open the discharge pipe, thereby facilitating the falling of the thinned water.

[0017] Optionally, a bracket is fixedly connected to the outer wall of the mixing cylinder.

[0018] By adopting the above technical solution, the bracket can support the mixing cylinder.

[0019] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0020] The technical solution of the present application drives the third bevel gear to rotate through a motor, and the third bevel gear can drive the first bevel gear and the second bevel gear to rotate in opposite directions. Then, with the cooperation of the bearings, the first bevel gear and the second bevel gear respectively drive the rotating ring and the inner stirring rod to rotate in opposite directions, so that the inner stirring rod and the outer stirring rod rotating in opposite directions can better mix the raw materials inside the mixing barrel, facilitate the dispersion of polyacrylamide, and enhance the dilution and mixing effect of polyacrylamide. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0022] Figure 1 It is a front view schematic diagram of a dilution and mixing device for hydrating polyacrylamide PAM dry powder according to the utility model;

[0023] Figure 2 It is a rear view of a partial cross-sectional view of a dilution and mixing device for hydrating polyacrylamide PAM dry powder according to the utility model;

[0024] Figure 3 This is an enlarged cross-sectional view of a feed barrel of a dilution and mixing device for hydrating polyacrylamide PAM dry powder according to the utility model;

[0025] Figure 4 The utility model is a dilution and mixing device for hydrating polyacrylamide PAM dry powder Figure 3 Enlarged view of point A in the middle.

[0026] In the figure: 1. mixing barrel; 2. rotating ring; 3. bearing; 4. water inlet pipe; 5. first bevel gear; 6. second bevel gear; 7. third bevel gear; 8. motor; 9. inner stirring rod; 10. outer stirring rod; 11. feeding barrel; 12. injection pipe; 13. flip plate; 14. connecting rod; 15. spring; 16. first magnet; 17. second magnet; 18. bracket; 19. discharge pipe; 20. first valve; 21. second valve. DETAILED DESCRIPTION

[0027] See also Figure 1-4The utility model provides a technical solution: a dilution and mixing device for hydrating polyacrylamide PAM dry powder, comprising a mixing barrel 1, a rotating ring 2 is rotatably installed in the inner wall of the upper end of the mixing barrel 1, a bearing 3 is installed on the inner wall of the rotating ring 2, an inner stirring rod 9 is installed on the inner ring wall of the bearing 3, the stirring end of the stirring rod extends into the interior of the mixing barrel 1, a second bevel gear 6 is installed on the upper end of the stirring rod, a first bevel gear 5 is installed on the upper end of the rotating ring 2, a third bevel gear 7 is meshed with the outer walls of the first bevel gear 5 and the second bevel gear 6, a motor 8 is installed on the upper end of the mixing barrel 1, the output shaft of the motor 8 is fixedly connected to the third bevel gear 7, an outer stirring rod 10 is installed on the outer wall of the rotating ring 2, and the stirring blades of the outer stirring rod 10 and the stirring blades of the inner stirring rod 9 are staggered;

[0028] A feeding hole is provided on the upper side of the mixing barrel 1, and a feeding barrel 11 is installed on the upper end of the mixing barrel 1 above the feeding hole, and an injection tube 12 is installed on the upper end of the feeding barrel 11. A flip plate 13 is hinged on the inner wall of the feeding barrel 11, and a first magnet 16 is installed on the outer wall of the flip plate 13 away from the hinge, and a second magnet 17 is installed on the inner wall of the feeding barrel 11. The first magnet 16 and the second magnet 17 are attracted to each other, and a connecting rod 14 is installed on the inner wall of the feeding barrel 11, and a spring 15 is installed on the lower end of the connecting rod 14 away from the inner wall of the feeding barrel 11, and the lower end of the spring 15 is fixedly installed to the upper end of the flip plate 13.

[0029] In the technical solution of the utility model, the third bevel gear 7 is driven to rotate by the motor 8, and the third bevel gear 7 can drive the first bevel gear 5 and the second bevel gear 6 to rotate in the opposite direction, and then with the cooperation of the bearing 3, the first bevel gear 5 and the second bevel gear 6 respectively drive the rotating ring 2 and the inner stirring rod 9 to rotate in the opposite direction, so that the inner stirring rod 9 and the outer stirring rod 10 rotating in the opposite direction can better mix the raw materials inside the mixing barrel 1, facilitate the dispersion of polyacrylamide, and enhance the dilution and mixing effect of polyacrylamide.

[0030] In addition, through the arrangement of the injection tube 12, the feed barrel 11 and the feed hole, the inside of the mixing barrel 1 can be used to add materials. The flip plate 13 can rotate on the inner wall of the feed barrel 11 with the cooperation of the hinge, and then the first magnet 16 and the second magnet 17 are adsorbed to position the flip plate 13. The feed barrel 11 can fix the connecting rod 14, and the spring 15 can connect the connecting rod 14 and the flip plate 13, so as to facilitate the resetting of the flip plate 13 after unloading.

[0031] In the technical solution of the utility model, if Figure 1As shown, a water inlet pipe 4 is installed on the outer wall above the mixing cylinder 1, and a second valve 21 is installed inside the water inlet pipe 4. The mixing cylinder 1 can fix the water inlet pipe 4, and the second valve 21 can close and open the water inlet pipe 4, so that the water inlet pipe 4 can add water to the inside of the mixing cylinder 1.

[0032] In the technical solution of the utility model, if Figure 1 and Figure 2 As shown, a feed pipe 19 is installed at the lower end of the mixing barrel 1, and a first valve 20 is installed inside the feed pipe 19. The mixing barrel 1 can fix the feed pipe 19, and the first valve 20 can close and open the feed pipe 19, so as to facilitate the falling of the thinned water.

[0033] In the technical solution of the utility model, if Figure 1 As shown, a bracket 18 is fixedly connected to the outer wall of the mixing cylinder 1 , and the bracket 18 can support the mixing cylinder 1 .

[0034] When in use, firstly, water can be added to the mixing drum 1 through the water inlet pipe 4, and the setting of the injection pipe 12, the feed barrel 11 and the feed hole can play the role of adding materials to the mixing drum 1, and when the raw materials enter the flip plate 13 inside the feed barrel 11, due to the prefabricated magnetic attraction, when the raw materials are added in an appropriate amount, the flip plate 13 can be pressed to flip, so that the material falls, and then the spring 15 resets the flipping flip plate 13, and the first magnet 16 and the second magnet 17 can lock the flip plate 13 again, and the motor 8 drives the third bevel gear 7 to rotate, and the third bevel gear 7 can drive the first bevel gear 5 and the second bevel gear 6 to rotate in the opposite direction, and then with the cooperation of the bearing 3, the first bevel gear 5 and the second bevel gear 6 respectively drive the rotating ring 2 and the inner stirring rod 9 to rotate in the opposite direction, so that the inner stirring rod 9 and the outer stirring rod 10 that rotate in the opposite direction can better mix the raw materials inside the mixing drum 1, facilitate the dispersion of polyacrylamide, and enhance the dilution and mixing effect of polyacrylamide.

Claims

1. A dilution and mixing device for hydration of polyacrylamide (PAM) dry powder, characterized in that: The invention comprises a mixing barrel (1), wherein a rotating ring (2) is rotatably mounted in the inner wall of the upper end of the mixing barrel (1), a bearing (3) is mounted on the inner wall of the rotating ring (2), an inner stirring rod (9) is mounted on the inner ring wall of the bearing (3), the stirring end of the stirring rod extends into the interior of the mixing barrel (1), a second bevel gear (6) is mounted on the upper end of the stirring rod, a first bevel gear (5) is mounted on the upper end of the rotating ring (2), a third bevel gear (7) is meshed with the outer walls of the first bevel gear (5) and the second bevel gear (6), a motor (8) is mounted on the upper end of the mixing barrel (1), the output shaft of the motor (8) is fixedly connected to the third bevel gear (7), an outer stirring rod (10) is mounted on the outer wall of the rotating ring (2), the stirring blades of the outer stirring rod (10) and the stirring blades of the inner stirring rod (9) are arranged in a staggered manner.

2. A dilution and mixing device for hydration of polyacrylamide (PAM) dry powder according to claim 1, characterized in that: A water inlet pipe (4) is installed on the outer wall above the mixing cylinder (1), and a second valve (21) is installed inside the water inlet pipe (4).

3. The dilution and mixing device for hydration of polyacrylamide (PAM) dry powder according to claim 1, characterized in that: A feed hole is provided on the upper side of the mixing cylinder (1), a feed cylinder (11) is installed at the upper end of the mixing cylinder (1) above the feed hole, and an injection pipe (12) is installed at the upper end of the feed cylinder (11).

4. A dilution and mixing device for hydration of polyacrylamide (PAM) dry powder according to claim 3, characterized in that: The inner wall of the feed barrel (11) is hinged with a flap plate (13), the outer wall of the flap plate (13) away from the hinge is mounted with a first magnet (16), the inner wall of the feed barrel (11) is mounted with a second magnet (17), and the first magnet (16) and the second magnet (17) are attracted to each other.

5. A dilution and mixing device for hydration of polyacrylamide (PAM) dry powder according to claim 4, characterized in that: A connecting rod (14) is installed on the inner wall of the feed barrel (11), and a spring (15) is installed on the lower end of the connecting rod (14) away from the inner wall of the feed barrel (11), and the lower end of the spring (15) is fixedly mounted on the upper end of the flip plate (13).

6. The dilution and mixing device for hydration of polyacrylamide (PAM) dry powder according to claim 1, characterized in that: A feed pipe (19) is installed at the lower end of the mixing cylinder (1), and a first valve (20) is installed inside the feed pipe (19).

7. The dilution and mixing device for hydration of polyacrylamide (PAM) dry powder according to claim 1, characterized in that: A bracket (18) is fixedly connected to the outer wall of the mixing cylinder (1).

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