A dust removal system for aggregate production line in cement plant
By introducing dust collectors and automatic ash cleaning mechanism into the dust removal system of the cement plant aggregate production line, the problem of clogging of bag dust collectors due to excessive dust is solved, efficient dust removal and automatic ash cleaning are achieved, and working efficiency is improved.
Patent Information
- Application Number
- CN202421545525.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-07-02
AI Technical Summary
In the existing cement plant dust removal system, bag dust collectors are prone to blockage due to excessive dust, resulting in poor dust removal effect, and frequent shutdown and cleaning are required, which reduces work efficiency.
A dust removal system for aggregate production line of cement plant was designed, and the dust collector was used for preliminary treatment to reduce the amount of dust, and the automatic dust cleaning of the dust collector was realized through a swing mechanism. Combined with the ash cleaning mechanism of the bag dust collector, the dust attached to the filter bag and ash bucket was blown off with high pressure gas.
It effectively reduces the dust removal pressure of the bag dust collector, realizes automatic dust cleaning of the dust collector and bag dust collector, improves the dust removal effect and work efficiency, and reduces the frequency of shutdown and cleaning.
Smart Images
Figure CN222738718U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cement plant dust removal, in particular to a cement plant aggregate production line dust removal system. Background Art
[0002] In the process of manufacturing cement aggregate, cement plants will produce a lot of dust and smoke. Being in this environment for a long time will cause people to suffer from respiratory diseases and seriously pollute the surrounding ecological environment. In order to prevent the flying of dust during production, cement plants need to install special dust removal systems. Existing dust removal systems generally use bag filters for dust removal, but due to the large amount of dust, it is easy to clog the filter bags, resulting in poor dust removal effect. Therefore, it is necessary to frequently shut down and clean the bag filters, which reduces work efficiency. Utility Model Content
[0003] The utility model aims to provide a dust removal system for an aggregate production line in a cement plant, so as to solve the problem that the existing dust removal system generally uses a bag dust collector for dust removal, but due to the large amount of dust, the filter bags are easily clogged, resulting in poor dust removal effect, and the bag dust collector needs to be frequently shut down for cleaning, which reduces the work efficiency.
[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0005] The utility model discloses a dust removal system for an aggregate production line in a cement plant, comprising a dust collecting box, a dust collecting pipe is arranged on the left side of the dust collecting box, a plurality of airflow guide plates are arranged inside the dust collecting box, a swing mechanism is arranged below the dust collecting box, a bag dust collector body is arranged on the right side of the dust collecting box, the dust collecting box is connected with an air inlet through a first connecting pipe, a plurality of filter bags are arranged inside the bag dust collector body, an ash hopper is arranged below the filter bags, a dust collecting vehicle is arranged below the ash hopper, a dust cleaning mechanism is arranged above the filter bags and above the ash hopper, a second connecting pipe is arranged on the air outlet of the bag dust collector body, the other end of the second connecting pipe is connected with a fan, and an exhaust pipe is arranged at the air outlet end of the fan.
[0006] Furthermore, a box door is provided on the bottom surface of the dust collecting box.
[0007] Furthermore, the airflow guide plate includes a first airflow guide plate and a second airflow guide plate, the first airflow guide plate is connected to the top of the dust box, and the second airflow guide plate is connected to the top surface of the box door; the airflow moves upward from the bottom of the first airflow guide plate, and then moves downward from the top of the second airflow guide plate.
[0008] Furthermore, a knocking ball is provided between the first airflow guiding plate and the second airflow guiding plate, and the knocking ball is connected to the top of the dust collecting box through a pull rope.
[0009] Furthermore, the swing mechanism includes a motor, which is mounted on a bracket, a cam is connected to the motor through a rotating shaft below, a connecting rod is provided below the cam, a movable plate is provided at the other end of the connecting rod, a fixed frame is provided on the outer side of the movable plate, the movable plate reciprocates left and right along the fixed frame, a support leg is provided below the fixed frame, a support rod is provided on the top surface of the fixed frame, and the support rod is connected to the bottom surface of the dust box.
[0010] Furthermore, a baffle is provided inside the bag filter body and on the right side of the air inlet.
[0011] Furthermore, the cleaning mechanism includes an air delivery pipe, which is arranged on the rear side of the bag dust collector body, and is provided with a plurality of first air delivery branches. Air nozzles are provided below the first air delivery branches, and the air nozzles are aimed at the filter bags. One of the first air delivery branches is connected to a second air delivery branch, and a valve is installed on the second air delivery branch. The second air delivery branch extends to the top of the ash hopper, and a plurality of air nozzles are also provided at the bottom of the second air delivery branch.
[0012] Compared with the prior art, the beneficial technical effects of the utility model are:
[0013] The utility model discloses to provide a dust box to carry out preliminary treatment of dust in the airflow, reduce the dust amount, thereby reduce the dust removal pressure of the bag dust collector; utilize a swing mechanism to drive the dust box to reciprocate left and right, clean the inside of the dust box, realize automatic cleaning, and improve the dust removal effect of the dust box; a cleaning mechanism is provided inside the bag dust collector body, and the cleaning mechanism is used to clean the filter bag and the ash hopper, thereby improving the cleaning efficiency and the dust removal effect of the bag dust collector. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The utility model will be further described below in conjunction with the accompanying drawings.
[0015] Figure 1 This is a structural schematic diagram of the dust removal system of the cement plant aggregate production line of the utility model;
[0016] Figure 2 It is a three-dimensional structural schematic diagram of the dust collecting box of the utility model;
[0017] Figure 3 This is a schematic diagram of the positional relationship of the cam, connecting rod, movable plate and fixed frame of the utility model;
[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the bag dust collector body of the utility model.
[0019] Explanation of the accompanying drawings: 1. Dust collecting box; 1-1. Box door; 2. Dust collecting pipe; 3. Air flow guide plate; 3-1. First air flow guide plate; 3-2. Second air flow guide plate; 4. Motor; 5. Cam; 6. Connecting rod; 7. Moving plate; 8. Fixed frame; 9. Support leg; 10. Support rod; 11. First connecting pipe; 12. Bag collector body; 12-1. Air inlet; 12-2. Air outlet; 13. Filter bag; 14. Baffle; 15. Ash hopper; 16. Air delivery pipe; 17. First air delivery branch pipe; 18. Jet nozzle; 19. Second air delivery branch pipe; 20. Second connecting pipe; 21. Fan; 22. Exhaust pipe; 23. Dust collection vehicle; 24. Knocking ball. DETAILED DESCRIPTION
[0020] like Figure 1-4 As shown, a dust removal system for an aggregate production line in a cement plant comprises a dust collecting box 1, a dust collecting pipe 2 is connected to the left side of the dust collecting box 1, a plurality of air flow guide plates 3 are installed inside the dust collecting box 1, a swing mechanism is arranged below the dust collecting box 1, a bag dust collector body 12 is arranged on the right side of the dust collecting box 1, the dust collecting box 1 is connected to an air inlet 12-1 through a first connecting pipe 11, a plurality of filter bags 13 are installed inside the bag dust collector body 12, a ash hopper 15 is arranged below the filter bags 13, a dust collecting vehicle 23 is arranged below the ash hopper 15, the dust collecting vehicle 23 is connected to a discharge port at the bottom of the ash hopper 15 through a lock, a dust cleaning mechanism is arranged above the filter bags 13 and above the ash hopper 15, a second connecting pipe 20 is connected to the air outlet 12-2 of the bag dust collector body 12, the other end of the second connecting pipe 20 is connected to a fan 21, and an exhaust pipe 22 is connected to the air outlet end of the fan 21.
[0021] The bottom surface of the dust box 1 is hinged with a box door 1 - 1 , and the box door 1 - 1 is connected to the body of the dust box 1 through a lock.
[0022] The airflow guide plate 3 includes a first airflow guide plate 3-1 and a second airflow guide plate 3-2, the first airflow guide plate 3-1 is connected to the top of the dust box 1, and the second airflow guide plate 3-2 is connected to the top surface of the box door 1-1; the airflow enters the dust box 1 from the dust collecting pipe 2, the bottom of the first airflow guide plate 3-1 moves upward, and then moves downward from the top of the second airflow guide plate 3-2, thereby guiding the airflow through a continuous airflow channel, and is discharged from the dust box 1 into the first connecting pipe 11, and then enters the bag dust collector body 12; the dust in the airflow passes through the airflow channel in the middle of the airflow guide plate 3, the flow rate is reduced, and the dust falls to the bottom of the dust box 1, and a collection box is placed under the dust box 1. Opening the box door 1-1 can allow the dust to fall into the collection box and be collected.
[0023] A knocking ball 24 is arranged between the first airflow guiding plate 3-1 and the second airflow guiding plate 3-2, and the knocking ball 24 is connected to the top of the dust box 1 through a pull rope; when the swing mechanism drives the dust box 1 to move left and right, the knocking ball 24 knocks the first airflow guiding plate 3-1 and the second airflow guiding plate 3-2, so that the first airflow guiding plate 3-1 and the second airflow guiding plate 3-2 vibrate, and the dust attached to the first airflow guiding plate 3-1 and the second airflow guiding plate 3-2 automatically falls off.
[0024] like Figure 3 As shown, the swing mechanism includes a motor 4, which is installed on a bracket. A cam 5 is connected to the bottom of the motor 4 through a rotating shaft. A connecting rod 6 is connected to the bottom of the cam 5. A moving plate 7 is connected to the other end of the connecting rod 6. A fixed frame 8 is arranged on the outside of the moving plate 7. A slide rail is arranged on the top surface of the fixed frame 8. A slide groove matching the slide rail is arranged on the moving plate 7. In specific use, in order to prevent the moving plate 7 from falling downward, the cross section of the moving plate 7 can be set to an I-shape, so that the two sides of the I-shape are respectively located on the upper and lower sides of the fixed frame 8. The moving plate 7 reciprocates left and right along the fixed frame 8. A supporting leg 9 is connected to the bottom of the fixed frame 8. A supporting rod 10 is connected to the top surface of the fixed frame 8, and the supporting rod 10 is connected to the bottom surface of the dust collecting box 1. When in use, the motor 4 drives the cam 5 to rotate, and the cam 5 drives the moving plate 7 to reciprocate left and right along the fixed frame 8 through the connecting rod 6, thereby driving the dust collecting box 1 to shake left and right, which is conducive to the dust attached to the air flow guide plate 3 and the inner wall of the dust collecting box 1 falling off.
[0025] A baffle 14 is provided inside the bag-type dust collector body 12 and on the right side of the air inlet 12-1. The baffle 14 is connected to the inner wall of the bag-type dust collector body 12 through a connecting frame. The airflow enters through the air inlet 12-1, moves downward after encountering the baffle 14, and then moves upward from the bottom of the filter bag 13. The dust is filtered by the filter bag 13, and the dust is adsorbed on the outside of the filter bag 13.
[0026] The dust cleaning mechanism includes an air delivery pipe 16, which is connected to the rear side of the bag dust collector body 12, and the air delivery pipe 16 is connected to a booster pump, and the booster pump is used to deliver high-pressure gas to the air delivery pipe 16. The air delivery pipe 16 is connected to a plurality of first air delivery branches 17, and an air nozzle 18 is installed below the first air delivery branch 17. The air nozzle 18 is aimed at the filter bag 13, and air is blown into the filter bag 13 through the air nozzle 18, and the high-pressure gas blows off the dust attached to the outside of the filter bag 13; one of the first air delivery branches 17 is connected to a second air delivery branch 19, and a valve is installed on the second air delivery branch 19. The second air delivery branch 19 extends to the top of the ash hopper 15, and a plurality of air nozzles 18 are also installed at the bottom of the second air delivery branch 19; open the valve on the second air delivery branch 19, and the high-pressure gas is ejected through the air nozzle 18 on the second air delivery branch 19, and the dust attached to the inner wall of the ash hopper 15 is blown down.
[0027] The working process of the utility model is as follows:
[0028] First, the airflow enters the dust box 1 from the dust collecting pipe 2, moves upward from the bottom of the first airflow guide plate 3-1, and then moves downward from the top of the second airflow guide plate 3-2, thereby guiding the airflow through a continuous airflow channel, the flow rate of the airflow is reduced, and the dust falls to the bottom of the dust box 1, thereby completing the initial dust reduction work; then, the airflow is discharged from the dust box 1 into the first connecting pipe 11, the airflow enters through the air inlet 12-1, moves downward after encountering the baffle 14, and then moves upward from the bottom of the filter bag 13, and the dust is filtered by the filter bag 13, and the dust is adsorbed on the outside of the filter bag 13, thereby completing the dust removal work; finally, the clean airflow is discharged through the exhaust pipe 22 under the action of the fan 21.
[0029] To clean the dust in the dust box 1, the motor 4 drives the cam 5 to rotate, and the cam 5 drives the movable plate 7 to reciprocate left and right along the fixed frame 8 through the connecting rod 6, thereby driving the dust box 1 to shake left and right, and the knocking ball 24 knocks the first airflow guide plate 3-1 and the second airflow guide plate 3-2, so that the first airflow guide plate 3-1 and the second airflow guide plate 3-2 vibrate, and the dust attached to the airflow guide plate 3 and the inner wall of the dust box 1 falls off; then, a collection box is placed under the dust box 1, and the box door 1-1 is opened to allow the dust to fall into the collection box and be collected.
[0030] The bag filter body 12 is cleaned, and a booster pump is used to deliver high-pressure gas to the air delivery pipe 16. The high-pressure gas enters the first air delivery branch pipe 17 and blows into the filter bag 13 through the air nozzle 18. The high-pressure gas blows off the dust attached to the outside of the filter bag 13. Then, the valve on the second air delivery branch pipe 19 is opened, and the high-pressure gas is ejected through the air nozzle 18 on the second air delivery branch pipe 19 to blow the dust attached to the inner wall of the ash hopper 15 downward, and the dust falls into the dust collection vehicle 23 and is collected.
[0031] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.
Claims
1. A dust removal system for aggregate production line in cement plant, characterized by: The invention comprises a dust collecting box (1), a dust collecting pipe (2) is arranged on the left side of the dust collecting box (1), a plurality of air flow guide plates (3) are arranged inside the dust collecting box (1), a swing mechanism is arranged below the dust collecting box (1), a bag dust collector body (12) is arranged on the right side of the dust collecting box (1), the dust collecting box (1) is connected to an air inlet (12-1) through a first connecting pipe (11), a plurality of filter bags (13) are arranged inside the bag dust collector body (12), and the dust collecting box (1) is connected to an air inlet (12-1) through a first connecting pipe (11). An ash hopper (15) is arranged below the filter bag (13), a dust collection vehicle (23) is arranged below the ash hopper (15), a dust cleaning mechanism is arranged above the filter bag (13) and above the ash hopper (15), a second connecting pipe (20) is arranged on the air outlet (12-2) of the bag filter body (12), the other end of the second connecting pipe (20) is connected to a fan (21), and an exhaust pipe (22) is arranged at the air outlet end of the fan (21).
2. The cement plant aggregate production line dust removal system according to claim 1 is characterized by: The bottom surface of the dust collecting box (1) is provided with a box door (1-1).
3. The cement plant aggregate production line dust removal system according to claim 2 is characterized by: The airflow guide plate (3) comprises a first airflow guide plate (3-1) and a second airflow guide plate (3-2), wherein the first airflow guide plate (3-1) is connected to the top of the dust collecting box (1), and the second airflow guide plate (3-2) is connected to the top surface of the box door (1-1); the airflow moves upward from the bottom of the first airflow guide plate (3-1), and then moves downward from the top of the second airflow guide plate (3-2).
4. The cement plant aggregate production line dust removal system according to claim 3 is characterized by: A knocking ball (24) is arranged between the first airflow guiding plate (3-1) and the second airflow guiding plate (3-2), and the knocking ball (24) is connected to the top of the dust collecting box (1) via a drawstring.
5. The cement plant aggregate production line dust removal system according to claim 1, characterized in that: The swing mechanism comprises a motor (4), the motor (4) is mounted on a bracket, a cam (5) is connected to the motor (4) via a rotating shaft below, a connecting rod (6) is arranged below the cam (5), a moving plate (7) is arranged at the other end of the connecting rod (6), a fixed frame (8) is arranged on the outer side of the moving plate (7), the moving plate (7) reciprocates left and right along the fixed frame (8), a supporting leg (9) is arranged below the fixed frame (8), a supporting rod (10) is arranged on the top surface of the fixed frame (8), and the supporting rod (10) is connected to the bottom surface of the dust collecting box (1).
6. The cement plant aggregate production line dust removal system according to claim 1, characterized in that: A baffle (14) is provided inside the bag filter body (12) and on the right side of the air inlet (12-1).
7. The cement plant aggregate production line dust removal system according to claim 1, characterized in that: The dust cleaning mechanism comprises an air delivery pipe (16), wherein the air delivery pipe (16) is arranged at the rear side of the bag filter body (12), and a plurality of first air delivery branches (17) are arranged on the air delivery pipe (16), and an air nozzle (18) is arranged below the first air delivery branch pipe (17), and the air nozzle (18) is aimed at the filter bag (13), and one of the first air delivery branches (17) is connected to a second air delivery branch pipe (19), and a valve is installed on the second air delivery branch pipe (19), and the second air delivery branch pipe (19) extends to the top of the ash hopper (15), and a plurality of air nozzles (18) are also arranged at the bottom of the second air delivery branch pipe (19).