Air flow crushing equipment for calcium-zinc stabilizer

Abstract

The utility model belongs to the technical field of crushing devices, and particularly relates to calcium-zinc stabilizer airflow crushing equipment which comprises an airflow crushing shell, a crushing inner barrel is arranged in the airflow crushing shell, filtering holes with different hole diameters are formed in the barrel wall of the crushing inner barrel, and a cavity is formed between the airflow crushing shell and the crushing inner barrel. An inner cavity of the crushing inner cylinder communicates with the cavity through the filtering holes, a sealing pasting plate is arranged on the outer side of the crushing inner cylinder, an airflow bin is arranged on the outer side of the bottom of the crushing inner cylinder in a surrounding mode, high-pressure spray heads are arranged on the airflow bin at intervals, the front ends of the high-pressure spray heads extend into the crushing inner cylinder, and the rear ends of the high-pressure spray heads extend into the airflow bin; the airflow bin communicates with an air inlet main pipe, the air inlet main pipe penetrates through the airflow crushing shell, and an air inlet is formed in one end of the air inlet main pipe. The discharging efficiency of calcium-zinc stabilizer powder is high, the residence time of the powder is greatly shortened, and the overall smashing efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pulverizing devices, and in particular relates to airflow pulverizing equipment for calcium zinc stabilizers. Background Art

[0002] Calcium zinc stabilizers are usually divided into solid calcium zinc stabilizers and liquid calcium zinc stabilizers. Calcium zinc stabilizers are made of calcium salts, zinc salts, lubricants and antioxidants using a special composite process. Calcium zinc stabilizers can replace toxic stabilizers such as lead cadmium salts and organic tin, and have good thermal stability, light stability, transparency and tinting power. The key step in the production process of calcium zinc stabilizers is to use a crushing device for crushing.

[0003] Chinese patent CN220460919U discloses an airflow pulverizing device, including a mounting seat, an air pipe, an air inlet pipe, a cylinder, a mounting plate, a feed hopper and a high-pressure nozzle; the cylinder is connected to the upper end of the mounting seat, and a filter assembly for screening rare earth polishing powder is provided in the cylinder, and the filter assembly is coaxially distributed with the cylinder; the mounting plate is connected to the upper end of the cylinder, a feed pipe is provided on the mounting plate, the feed hopper is connected to the upper end of the feed pipe, and a discharge assembly is provided on the mounting plate; the air pipe is connected to the outer peripheral surface of the cylinder, the air inlet pipe is connected to the air pipe, and a plurality of high-pressure nozzles are provided, and the plurality of high-pressure nozzles are all connected to the cylinder and evenly distributed on the cylinder, and the plurality of high-pressure nozzles are all inclined. The airflow ejected by the airflow pulverizing device in the patent is spiral, and the powder passes through the filter assembly to complete the filtration. The small volume of powder will be located in the peripheral area of ​​the spiral airflow, so the discharge efficiency of the powder that meets the filtration size is low. Utility Model Content

[0004] In view of the above deficiencies in the prior art, the technical problem to be solved by the utility model is: to provide a calcium zinc stabilizer airflow crushing equipment to achieve the discharge of calcium zinc stabilizer crushed powders of different sizes and improve the discharge efficiency of the calcium zinc stabilizer crushed powders.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] The calcium zinc stabilizer air flow pulverizing device described in the utility model comprises an air flow pulverizing shell, a pulverizing inner cylinder is arranged inside the air flow pulverizing shell, filter holes with different apertures are opened on the cylinder wall of the pulverizing inner cylinder, a top cover plate is fixedly arranged on the top of the air flow pulverizing shell, a cavity is formed between the air flow pulverizing shell and the pulverizing inner cylinder, the inner cavity of the pulverizing inner cylinder is connected with the cavity through the filter hole, a sealing plate is arranged on the outer side of the pulverizing inner cylinder, an air flow bin is arranged around the outer side of the bottom of the pulverizing inner cylinder, high-pressure nozzles are arranged at intervals on the air flow bin, the front end of the high-pressure nozzle extends into the interior of the pulverizing inner cylinder, the rear end of the high-pressure nozzle extends into the interior of the air flow bin, the air flow bin is connected with an air intake main pipe, the air intake main pipe runs through the air flow pulverizing shell, and an air inlet is arranged at one end of the air intake main pipe.

[0007] There are supporting feet at the bottom of the air flow breaker shell to keep the equipment stable.

[0008] The bottom of the air flow crushing shell is provided with discharge holes, and the discharge holes are arranged at intervals around the air flow bin.

[0009] A discharge bottom bin is fixedly arranged at the bottom of the air flow crushing shell, and the discharge bottom bin is connected with the cavity through a discharge hole.

[0010] The outer wall of the crushing inner cylinder is divided into several groups of filter hole areas with filter holes, the filter hole diameters of the several groups of filter hole areas are different, the filter holes are arranged in an array in each group of filter hole areas, and the filter holes in each group of filter hole areas have the same diameter.

[0011] A limiting groove is arranged around the outer wall of the crushing inner cylinder, and a sealing plate is slidably arranged in the limiting groove. The sealing plate is arranged on the outside of the filter hole, the sealing plate contacts the filter hole, and the sealing plate blocks the remaining filter hole areas except one group of filter hole areas.

[0012] A feeding port is fixedly arranged at the center of the top cover plate, and the feeding port is connected with the crushing inner cylinder.

[0013] An arc-shaped displacement groove is provided on the top cover plate, and the displacement groove is arranged on the outer side of the feeding port. Sealing strips are arranged on the inner side walls of the displacement groove, and the sealing strips can reduce the airflow overflowing from the displacement groove. A displacement rod is fixedly arranged on the outer side of the sealing plate, and the displacement rod passes through the displacement groove and extends upward; a thread is provided on the upper part of the displacement rod, and a nut can be installed to reinforce the displacement rod to improve the stability of the displacement rod in the displacement groove; a marking block is provided on the top cover plate, and the marking block is arranged at intervals along the inner side of the displacement groove, and a marking block is arranged at a corresponding position on the top cover plate at the junction between several groups of filter hole areas.

[0014] An annular exhaust groove is provided on the top cover plate, the annular exhaust groove is arranged outside the displacement groove, an annular exhaust bin is fixedly provided on the top of the annular exhaust groove, and the annular exhaust bin is connected with the cavity through the annular exhaust groove.

[0015] The top of the air intake main pipe is communicated with one end of the air flow connecting pipe, and the other end of the air flow connecting pipe is communicated with the annular exhaust bin.

[0016] The air intake main pipe is provided with a first valve and a second valve, wherein the first valve is provided at a side close to the air flow compartment, and the second valve is provided at a side close to the air flow connecting pipe.

[0017] The air flow connecting pipe is a detachable structure.

[0018] The top cover is a detachable structure, which is convenient for subsequent cleaning of the internal structure.

[0019] Working principle and process:

[0020] Pull the displacement rod in the displacement groove to the marking block, and then the position of the sealing plate at the limit groove can be changed, so that a group of filter hole areas can be exposed; the calcium-zinc stabilizer is added to the crushing inner cylinder through the feeding port, the second valve is closed, and the first valve is opened. The airflow passes through the air inlet and the air inlet main pipe in turn into the airflow bin, and the airflow enters the interior of the crushing inner cylinder through the high-pressure nozzle to form a spiral airflow. The spiral airflow performs airflow crushing on the calcium-zinc stabilizer, and the crushed calcium-zinc stabilizer powder enters the cavity formed between the airflow crushing shell and the crushing inner cylinder through the filter hole. The first valve is closed, and the second valve is opened. The airflow passes through the air inlet, the air inlet main pipe and the airflow connecting pipe in turn into the annular exhaust bin, and the airflow flows downward through the annular exhaust groove, so that the calcium-zinc stabilizer powder in the cavity enters the discharge bottom bin more quickly through the discharge hole, thereby completing the collection of the calcium-zinc stabilizer powder.

[0021] The utility model has the following beneficial effects: a spiral airflow is formed by a high-pressure nozzle to crush the calcium-zinc stabilizer, and under the action of the spiral airflow, the calcium-zinc stabilizer powder whose size is smaller than the aperture of the filter hole enters the cavity through the filter hole; since the filter hole sizes of each group of filter hole areas are different, the position of the sealing plate can be adjusted to achieve the filtering of calcium-zinc stabilizer powders of different sizes; the discharge efficiency of the calcium-zinc stabilizer powder is high, the retention time of the powder is greatly reduced, and the overall crushing efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2 It is a partial cross-sectional view of the utility model;

[0024] Figure 3 It is a partial structural schematic diagram of the utility model;

[0025] Figure 4 It is a partial enlarged view of the utility model;

[0026] In the figure: 1. air flow crushing shell; 2. top cover plate; 3. feeding port; 4. crushing inner cylinder; 5. limit groove; 6. sealing plate; 7. filter hole; 8. air flow bin; 9. high pressure nozzle; 10. discharge hole; 11. discharge bottom bin; 12. air inlet main pipe; 13. first valve; 14. second valve; 15. air flow connecting pipe; 16. annular exhaust bin; 17. displacement groove; 18. displacement rod; 19. marking block; 20. annular exhaust groove; 21. air inlet. DETAILED DESCRIPTION

[0027] The following is a further description of the embodiments of the present invention in conjunction with the accompanying drawings:

[0028] like Figure 1and Figure 2 As shown, the utility model includes an air flow breaking shell 1, a breaking inner cylinder 4 is arranged inside the air flow breaking shell 1, filter holes 7 with different apertures are opened on the cylinder wall of the breaking inner cylinder 4, a top cover plate 2 is fixedly arranged on the top of the air flow breaking shell 1, a cavity is formed between the air flow breaking shell 1 and the breaking inner cylinder 4, the inner cavity of the breaking inner cylinder 4 is connected with the cavity through the filter hole 7, a sealing plate 6 is arranged on the outer side of the breaking inner cylinder 4, an air flow bin 8 is arranged around the outer side of the bottom of the breaking inner cylinder 4, high-pressure nozzles 9 are arranged at intervals on the air flow bin 8, the front end of the high-pressure nozzle 9 extends into the interior of the breaking inner cylinder 4, and the rear end of the high-pressure nozzle 9 extends into the interior of the air flow bin 8, the air flow bin 8 is connected with the air intake main pipe 12, the air intake main pipe 12 runs through the air flow breaking shell 1, and an air inlet 21 is arranged at one end of the air intake main pipe 12.

[0029] The air flow crushing shell 1 and the crushing inner cylinder 4 are both cylindrical in shape.

[0030] The bottom of the air flow breaking housing 1 is provided with supporting feet.

[0031] like Figure 3 As shown, a discharge hole 10 is provided at the bottom of the air flow crushing shell 1, and the discharge holes 10 are arranged at intervals around the air flow bin 8. A discharge bottom bin 11 is fixedly provided at the bottom of the air flow crushing shell 1, and the discharge bottom bin 11 is connected to the cavity through the discharge hole 10.

[0032] The outer wall of the crushing inner cylinder 4 is divided into several groups of filter hole areas with filter holes 7, the filter holes 7 in the several groups of filter hole areas have different apertures, the filter holes 7 in each group of filter hole areas are arranged in an array, and the apertures of the filter holes 7 in each group of filter hole areas are the same.

[0033] A limiting groove 5 is arranged around the outer wall of the crushing inner cylinder 4, and a sealing plate 6 is slidably arranged in the limiting groove 5. The sealing plate 6 is arranged on the outside of the filter hole 7, and the sealing plate 6 contacts the filter hole 7. The sealing plate 6 blocks the remaining filter hole areas except one group of filter hole areas.

[0034] The sealing plate 6 is in the shape of an arc plate.

[0035] A feeding port 3 is fixedly provided at the center of the top cover plate 2 , and the feeding port 3 is connected to the crushing inner cylinder 4 .

[0036] like Figure 4As shown, an arc-shaped displacement groove 17 is opened on the top cover plate 2, and the displacement groove 17 is arranged on the outer side of the feeding port 3. Sealing strips are arranged on the inner side walls of the displacement groove 17, and the sealing strips can reduce the airflow overflowing from the displacement groove 17; a displacement rod 18 is fixedly arranged on the outer side of the sealing plate 6, and the displacement rod 18 passes through the displacement groove 17 and extends upward. The upper part of the displacement rod 18 is provided with a thread, and a nut can be installed to reinforce the displacement rod 18 to improve the stability of the displacement rod 18 in the displacement groove 17.

[0037] The top cover plate 2 is provided with marking blocks 19 , which are arranged at intervals along the inner side of the displacement groove 17 , and corresponding positions of the boundaries between the groups of filter hole areas on the top cover plate 2 are provided with marking blocks 19 .

[0038] An annular exhaust groove 20 is provided on the top cover plate 2 . The annular exhaust groove 20 is arranged outside the displacement groove 17 . An annular exhaust bin 16 is fixedly provided on the top of the annular exhaust groove 20 . The annular exhaust bin 16 is connected to the cavity through the annular exhaust groove 20 .

[0039] The top of the air intake main pipe 12 is connected to one end of the air flow connecting pipe 15 , and the other end of the air flow connecting pipe 15 is connected to the annular exhaust chamber 16 .

[0040] The air intake main pipe 12 is provided with a first valve 13 and a second valve 14 . The first valve 13 is arranged on a side close to the airflow compartment 8 , and the second valve 14 is arranged on a side close to the airflow connecting pipe 15 .

[0041] Pull the displacement rod 18 in the displacement groove 17 to the marking block 19, and then the position of the sealing plate 6 at the limit groove 5 can be changed, so that a group of filter hole areas can be exposed; the calcium zinc stabilizer is added to the crushing inner cylinder 4 through the feeding port 3, the second valve 14 is closed, and the first valve 13 is opened. The airflow passes through the air inlet 21 and the air inlet main pipe 12 in turn to enter the airflow bin 8, and the airflow enters the interior of the crushing inner cylinder 4 through the high-pressure nozzle 9 to form a spiral airflow. The spiral airflow performs airflow crushing on the calcium zinc stabilizer. The crushed calcium zinc stabilizer powder enters the cavity formed between the airflow crushing shell 1 and the crushing inner cylinder 4 through the filter hole 7. The first valve 13 is closed, and the second valve 14 is opened. The airflow passes through the air inlet 21, the air inlet main pipe 12 and the airflow connecting pipe 15 in turn to enter the annular exhaust bin 16, and the airflow flows downward through the annular exhaust groove 20, so that the calcium zinc stabilizer powder in the cavity enters the discharge bottom bin 11 more quickly through the discharge hole 10, and the collection of the calcium zinc stabilizer powder is completed.

[0042] By pulling the displacement rod 18 to move in the displacement groove 17, the position of the sealing plate 6 at the limit groove 5 can be changed, so that the filter holes 7 with different aperture sizes can be exposed, thereby completing the adjustment of the filtering fineness; when the displacement rod 18 moves from the current marking block 19 position to the next adjacent marking block 19 position, it indicates that the aperture size of the filter hole 7 has been replaced.

Claims

1. A calcium zinc stabilizer air flow crushing device, comprising an air flow crushing shell (1), wherein a crushing inner cylinder (4) is arranged inside the air flow crushing shell (1), characterized in that: The wall of the crushing inner cylinder (4) is provided with filter holes (7) of different apertures. A top cover plate (2) is fixedly arranged on the top of the air flow crushing shell (1). A cavity is formed between the air flow crushing shell (1) and the crushing inner cylinder (4). The inner cavity of the crushing inner cylinder (4) is connected to the cavity through the filter hole (7). A sealing plate (6) is arranged on the outer side of the crushing inner cylinder (4). An air flow bin (8) is arranged around the outer side of the bottom of the crushing inner cylinder (4). High-pressure nozzles (9) are arranged on the air flow bin (8) at intervals. The front end of the high-pressure nozzle (9) extends into the interior of the crushing inner cylinder (4). The rear end of the high-pressure nozzle (9) extends into the interior of the air flow bin (8). The air flow bin (8) is connected to an air intake pipe (12). The air intake pipe (12) passes through the air flow crushing shell (1). An air intake port (21) is arranged at one end of the air intake pipe (12).

2. The calcium zinc stabilizer airflow pulverizing equipment according to claim 1, characterized in that: The bottom of the air flow crushing shell (1) is provided with discharge holes (10), and the discharge holes (10) are arranged at intervals around the air flow bin (8).

3. The calcium zinc stabilizer airflow pulverizing equipment according to claim 2, characterized in that: A discharge bottom bin (11) is fixedly arranged at the bottom of the air flow crushing housing (1), and the discharge bottom bin (11) is connected to the cavity through a discharge hole (10).

4. The calcium zinc stabilizer airflow pulverizing equipment according to claim 1, characterized in that: The outer wall of the crushing inner cylinder (4) is divided into a plurality of groups of filter hole areas each provided with filter holes (7), the filter holes (7) having different pore sizes between the plurality of groups of filter hole areas, the filter holes (7) in each group of filter hole areas are arranged in an array, and the filter holes (7) in each group of filter hole areas have the same pore size.

5. The calcium zinc stabilizer airflow pulverizing equipment according to claim 4, characterized in that: A limiting groove (5) is arranged around the outer wall of the crushing inner cylinder (4), and a sealing plate (6) is slidably arranged in the limiting groove (5). The sealing plate (6) is arranged outside the filter hole (7), the sealing plate (6) is in contact with the filter hole (7), and the sealing plate (6) blocks the remaining filter hole areas except for one group of filter hole areas.

6. The calcium zinc stabilizer airflow pulverizing equipment according to claim 4, characterized in that: A feeding port (3) is fixedly provided at the center of the top cover plate (2), and the feeding port (3) is connected to the crushing inner cylinder (4).

7. The calcium zinc stabilizer airflow pulverizing equipment according to claim 6, characterized in that: The top cover plate (2) is provided with an arc-shaped displacement groove (17), the displacement groove (17) being arranged on the outer side of the feeding port (3), a displacement rod (18) being fixedly arranged on the outer side of the sealing plate (6), the displacement rod (18) passing through the displacement groove (17) and extending upward, a marking block (19) being arranged on the top cover plate (2), the marking block (19) being arranged at intervals along the inner side of the displacement groove (17), and a marking block (19) being arranged at a corresponding position on the top cover plate (2) at the junction between the plurality of groups of filter hole areas.

8. The calcium zinc stabilizer airflow pulverizing equipment according to claim 7, characterized in that: An annular exhaust groove (20) is provided on the top cover plate (2), the annular exhaust groove (20) is arranged outside the displacement groove (17), an annular exhaust bin (16) is fixedly arranged on the top of the annular exhaust groove (20), and the annular exhaust bin (16) is connected to the cavity through the annular exhaust groove (20).

9. The calcium zinc stabilizer airflow pulverizing equipment according to claim 1, characterized in that: The top of the air intake main pipe (12) is connected to one end of the air flow connecting pipe (15), and the other end of the air flow connecting pipe (15) is connected to the annular exhaust bin (16).

10. The calcium zinc stabilizer airflow pulverizing equipment according to claim 9, characterized in that: A first valve (13) and a second valve (14) are arranged on the air intake main pipe (12), the first valve (13) being arranged on a side close to the airflow bin (8), and the second valve (14) being arranged on a side close to the airflow connecting pipe (15).

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