Trapping device for three-time dust removal of converter
By designing a multi-layer filter screen and a motor-driven swing rod system, the problem of dust accumulation and blockage during converter steelmaking was solved, achieving efficient dust cleaning and production stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-03
AI Technical Summary
During the converter steelmaking process, dust can easily accumulate and caking inside the equipment, leading to blockages, increasing equipment maintenance costs, and affecting production continuity and stability.
A dust collection device for tertiary dust removal in a converter is designed, which adopts a multi-layer filter structure and a motor-driven swing rod system to achieve multi-layer filtration and graded interception of dust, and cleans up accumulated dust through the cooperation of the swing rod and the contact rod.
It effectively avoids filter clogging, achieves efficient dust removal, reduces equipment maintenance costs, and ensures the continuity and stability of production.
Smart Images
Figure CN224077445U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of metallurgical technology, and in particular to a dust collection device for tertiary dust removal in converters. Background Technology
[0002] Dust collection devices for converter tertiary dust removal are common environmental protection equipment in the iron and steel metallurgical industry. They play a crucial role in the complex and critical process of converter steelmaking. During converter steelmaking, the high-temperature environment and intense oxidation reaction cause a large amount of dust, gas and harmful substances to escape. If these fumes are discharged directly without treatment, they will cause serious pollution to the environment.
[0003] Because the flue gas generated during the converter steelmaking process has a complex composition and uneven particle size distribution, and the flue gas temperature and humidity fluctuate greatly, the flue gas is prone to accumulate and caking inside the equipment during long-term operation, which can lead to blockage. The complex structure of the equipment and the narrow operating space make the cleaning work after blockage extremely challenging, which not only increases the company's equipment maintenance costs, but may also affect the continuity and stability of production.
[0004] In conclusion, there is an urgent need for a dust collection device for tertiary dust removal in converters to solve the above problems. Utility Model Content
[0005] In order to overcome the shortcomings of dust accumulation and caking inside equipment, which can lead to blockage, this utility model mainly provides a dust collection device for tertiary dust removal in converters.
[0006] A dust collection device for a converter's tertiary dust removal system includes a support frame as a mounting carrier for components; a collection frame connected to the upper part of the support frame; a discharge cylinder, threadedly detachable and disposed on the lower side of the collection frame; an inlet pipe connected to the upper front side of the outer ring of the collection frame; an outlet pipe connected to the lower front side of the outer ring of the collection frame; a baffle rotatably connected to the discharge cylinder; a fixed frame symmetrically connected to the outer ring of the collection frame; screws threadedly connected to the fixed frame; a support plate connected inside the collection frame; a collection frame detachably disposed on the lower side of the support plate, with one end of the two screws inserted into the collection frame; a first filter screen connected to the upper side of the support plate; a mounting frame symmetrically connected to the upper part of the inner ring of the collection frame; and a motor. The motor output shaft is mounted on the mounting bracket on the left; a swing arm is rotatably connected to the mounting bracket on the right, and the right end of the motor output shaft is connected to the swing arm via a coupling; a second filter screen is connected to the upper side of the support plate; a third filter screen is connected to the upper side of the support plate, the third filter screen is located in the inner circle of the second filter screen, and the first filter screen is located in the inner circle of the third filter screen; a fixing plate is connected between the upper sides of the second filter screen and the third filter screen; four first guide rods are slidably connected to the fixing plate; a connecting rod is connected between the top ends of the four first guide rods; and contact rods are evenly spaced and connected to the lower side of the connecting rod, the lower ends of the contact rods contacting the fixing plate.
[0007] Preferably, a buffer pad is also included, connected to the first guide rod, with the lower side of the buffer pad contacting the fixing plate.
[0008] Preferably, the system further includes four second guide rods, all slidably connected to the fixed plate; four third guide rods, also slidably connected to the fixed plate; four fourth guide rods, all slidably connected to the fixed plate; a first contact plate connected between the lower ends of the four second guide rods; a second contact plate connected between the lower ends of the four third guide rods, the second contact plate being located within the inner ring of the first contact plate; a third contact plate connected between the lower ends of the four fourth guide rods, the third contact plate being located within the inner ring of the second contact plate; and a connecting frame connected between the upper ends of the four second guide rods, the four third guide rods, and the four fourth guide rods.
[0009] Preferably, a U-shaped handle is connected to the upper part of the connecting frame.
[0010] Preferably, the discharge cylinder is funnel-shaped and detachably disposed on the lower side of the collection frame.
[0011] Preferably, the pore size of the first filter screen is smaller than that of the second filter screen, and the pore size of the second filter screen is smaller than that of the third filter screen.
[0012] Preferably, the collection frame is a ring-shaped, detachable arrangement between the two screws.
[0013] The beneficial effects of this utility model are:
[0014] This invention achieves multi-layer filtration and graded interception of dust in smoke through the cooperation of a first filter, a second filter, and a third filter. The motor drives the swing rod to rotate, so that the contact rod cooperates with the fixed plate to process the accumulated dust, thus avoiding clogging of the first, second, and third filters. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0016] Figure 2 This is a cross-sectional view of the components of this utility model, including the collection frame, discharge cylinder, and air inlet pipe.
[0017] Figure 3 This is a cross-sectional view of the mounting bracket, motor, and swing arm of this utility model.
[0018] Figure 4 This is a cross-sectional view of the second filter screen, the first guide rod, and the buffer pad of this utility model.
[0019] Figure 5 This is a three-dimensional structural diagram of the second guide rod and the third guide rod of this utility model.
[0020] Figure 6 This is a three-dimensional structural diagram of the connecting frame, the first contact plate, and the second contact plate of this utility model.
[0021] Figure 7 This is a cross-sectional view of the first contact plate, second contact plate, and other components of this utility model.
[0022] Explanation of reference numerals in the attached drawings: 1-Support frame, 2-Collection frame, 3-Discharge cylinder, 4-Inlet pipe, 5-Outlet pipe, 6-Baffle, 7-Fixing frame, 8-Screw, 9-Support plate, 10-Collection frame, 11-First filter screen, 12-Mounting frame, 13-Motor, 14-Swing rod, 15-Fixing plate, 17-Second filter screen, 18-First guide rod, 19-Connecting rod, 21-Contact rod, 22-Buffer pad, 23-Third filter screen, 24-Second guide rod, 25-Third guide rod, 26-Fourth guide rod, 27-Connecting frame, 28-First contact plate, 29-Second contact plate, 30-Third contact plate. Detailed Implementation
[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0024] Example: A dust collection device for tertiary dust removal in a converter, such as... Figures 1-4 As shown, the system includes a support frame 1, a collection frame 2, a discharge cylinder 3, an air inlet pipe 4, an air outlet pipe 5, a baffle 6, a fixing frame 7, a screw 8, a support plate 9, a collection frame 10, a first filter screen 11, a mounting frame 12, a motor 13, a swing rod 14, a fixing plate 15, a second filter screen 17, a first guide rod 18, a connecting rod 19, a contact rod 21, and a third filter screen 23. The support frame 1 serves as the mounting carrier for the components. The collection frame 2 is welded to the upper part of the support frame 1. The discharge cylinder 3 is detachably threaded on the lower side of the collection frame 2. The discharge cylinder 3 is funnel-shaped and detachably attached to the lower side of the collection frame 2 to facilitate the discharge of dust. An air inlet pipe 4 is connected to the upper front side of the outer ring of the collection frame 2, and an air outlet pipe 5 is connected to the lower front side of the outer ring of the collection frame 2. A baffle 6 is rotatably connected to the discharge cylinder 3. Fixing frames 7 are symmetrically connected to the outer ring of the collection frame 2. Screws 8 are threadedly connected to the fixing frames 7. A support plate 9 is welded inside the collection frame 2. A collection frame 10 is detachably installed on the lower side of the support plate 9. Two screws 8 are inserted into the collection frame 10 at one end facing each other. The collection frame 10 is detachably installed between the two screws 8 in a ring shape, which facilitates dust collection by the discharge cylinder 3. A first filter screen 11 is connected to the upper side of the support plate 9. The upper part of the inner ring of the collection frame 2 is symmetrically welded with... There is a mounting bracket 12. A motor 13 is bolted to the left mounting bracket 12, and a swing arm 14 is rotatably connected to the right mounting bracket 12. The right end of the motor 13's output shaft is connected to the swing arm 14 via a coupling. A second filter screen 17 and a third filter screen 23 are connected to the upper side of the support plate 9. The third filter screen 23 is located within the inner ring of the second filter screen 17, and a first filter screen 11 is located within the inner ring of the third filter screen 23. The aperture of the first filter screen 11 is smaller than that of the second filter screen 17, and the aperture of the second filter screen 17 is smaller than that of the third filter screen 23. This is used for classifying and intercepting dust. A fixed plate 15 is connected between the upper sides of the second filter screen 17 and the third filter screen 23. Four first guide rods 18 are slidably connected to the fixed plate 15. A connecting rod 19 is welded between the top ends of the four first guide rods 18. Contact rods 21 are evenly spaced on the lower side of the connecting rods 19. The lower ends of the contact rods 21 are in contact with the fixed plate 15. The first filter screen 11, the second filter screen 17 and the third filter screen 23 cooperate with each other to achieve multi-layer filtration and graded interception of dust in the smoke. The starting motor 13 drives the swing rod 14 to rotate, so that the contact rods 21 cooperate with the fixed plate 15 to treat the accumulated dust.
[0025] like Figure 3 As shown, it also includes a buffer pad 22. The buffer pad 22 is connected to the first guide rod 18, and the lower side of the buffer pad 22 contacts the fixing plate 15.
[0026] like Figures 5-7As shown, it also includes a second guide rod 24, a third guide rod 25, a fourth guide rod 26, a connecting frame 27, a first contact plate 28, a second contact plate 29, and a third contact plate 30. Four second guide rods 24 are slidably connected to the fixed plate 15, four third guide rods 25 are slidably connected to the fixed plate 15, and four fourth guide rods 26 are slidably connected to the fixed plate 15. The lower ends of the four second guide rods 24 are connected to the first contact plate 28, the lower ends of the four third guide rods 25 are connected to the second contact plate 29, and the second contact plate 29 is located in the inner circle of the first contact plate 28. The lower ends of the four fourth guide rods 26 are connected to the third contact plate 30, and the third contact plate 30 is located in the inner circle of the second contact plate 29. The upper ends of the four second guide rods 24, the four third guide rods 25, and the four fourth guide rods 26 are connected to the connecting frame 27, and a U-shaped handle is connected to the upper part of the connecting frame 27 for easy movement.
[0027] When this device is needed, smoke enters the collection frame 2 through the inlet pipe 4. The first filter 11, the second filter 17, and the third filter 23 work together to achieve multi-layer filtration of dust in the smoke. Because the pore sizes of the first filter 11, the second filter 17, and the third filter 23 are different, they can intercept dust particles of corresponding sizes in the collection frame 2. The intercepted dust will accumulate on the first filter 11, the second filter 17, and the third filter 23. Dust particles that are not intercepted by the first filter 11, the second filter 17, and the third filter 23 will be deposited on the discharge cylinder 3 and the collection frame 10 under the action of gravity. The smoke with the dust filtered is then ready for use. The air is discharged through the exhaust pipe 5. Then, the motor 13 is started. The output shaft of the motor 13 rotates, driving the swing rod 14 to rotate. The swing rod 14 contacts the connecting rod 19, causing it to move upward. The connecting rod 19 drives the contact rod 21 and the buffer pad 22 to shift, causing the contact rod 21 to detach from the fixed plate 15. After the connecting rod 19 detaches from the swing rod 14, the connecting rod 19 resets under the action of gravity, causing the above-mentioned components to reset. The contact rod 21 impacts the surface of the fixed plate 15, causing the dust accumulated on the first filter screen 11, the second filter screen 17, and the third filter screen 23 to fall into the discharge cylinder 3 and the collection frame 10 under this impact. The buffer pad 22 can reduce the impact when the connecting rod 19 resets. By repeatedly applying force, dust accumulated on the first filter screen 11, the second filter screen 17, and the third filter screen 23 can be processed. The motor 13 is then turned off, and the connecting frame 27 moves downwards. The connecting frame 27 drives the second guide rod 24, the third guide rod 25, the fourth guide rod 26, the first contact plate 28, the second contact plate 29, and the third contact plate 30 to move downwards, respectively. The first contact plate 28, the second contact plate 29, and the third contact plate 30 then contact the first filter screen 11, the second filter screen 17, and the third filter screen 23. Next, the connecting frame 27 is moved upwards, causing the aforementioned components to reset. This process is repeated to remove dust remaining on the first filter screen 11, the second filter screen 17, and the third filter screen 23. The dust particles of filter 7 and the third filter 23 are treated in a secondary manner. The second guide rod 24, the third guide rod 25 and the fourth guide rod 26 can guide the first contact plate 28, the second contact plate 29 and the third contact plate 30. After cleaning, the baffle 6 is rotated so that the dust accumulated in the discharge cylinder 3 falls into the collection bucket. After the dust on the discharge cylinder 3 is treated, the baffle 6 is rotated in the opposite direction to rotate the discharge cylinder 3 to separate it from the collection frame 2, and drive the baffle 6 to move. The screw 8 is rotated to separate it from the collection frame 10, and the collection frame 10 is removed from the support plate 9. The dust on the collection frame 10 is treated. Finally, the collection frame 10 and the discharge cylinder 3 are installed back in their original positions.
[0028] The technical principles of the present invention have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of the present invention and should not be construed as limiting the scope of protection of the present invention in any way. Based on this explanation, those skilled in the art can conceive of other specific embodiments of the present invention without creative effort, and these embodiments will all fall within the scope of protection of the present invention.
Claims
1. A dust collection device for tertiary dust removal in a converter, Its characteristics include: The support frame (1) serves as the mounting carrier for the parts; The capture frame (2) is connected to the upper part of the support frame (1); The discharge cylinder (3) is threadedly detachable and located on the lower side of the collection frame (2); The air intake pipe (4) is connected to the upper front side of the outer ring of the trapping frame (2); The air outlet pipe (5) is connected to the lower front side of the outer ring of the trapping frame (2); Baffle (6) is rotatably connected to the discharge cylinder (3); The fixing frame (7) is symmetrically connected to the outer ring of the trapping frame (2); The screw (8) is threadedly connected to the fixing bracket (7) shown; A support plate (9) is connected inside the collection frame (2); The collection frame (10) is detachably installed on the lower side of the support plate (9), and the two screws (8) are inserted into the collection frame (10) at opposite ends; The first filter screen (11) is connected to the upper side of the support plate (9); Mounting bracket (12) is symmetrically connected to the upper part of the inner ring of the collection frame (2); The motor (13) is mounted on the mounting bracket (12) on the left side; The swing arm (14) is rotatably connected to the mounting bracket (12) on the right side, and the right end of the output shaft of the motor (13) is connected to the swing arm (14) through a coupling; The second filter screen (17) is connected to the upper side of the support plate (9); The third filter (23) is connected to the upper side of the support plate (9). The third filter (23) is located in the inner circle of the second filter (17). The first filter (11) is located in the inner circle of the third filter (23). The first filter (11), the second filter (17) and the third filter (23) are used to filter dust in the smoke. A fixing plate (15) is connected between the upper side of the second filter screen (17) and the third filter screen (23); The number of first guide rods (18) is set to four, all of which are slidably connected to the fixed plate (15); A connecting rod (19) is connected between the top ends of the four first guide rods (18); Contact rods (21) are evenly spaced on the lower side of the connecting rod (19). The lower ends of the contact rods (21) are in contact with the fixing plate (15). The contact rods (21) are used to strike the fixing plate (15).
2. The dust collection device for a converter tertiary dust removal system according to claim 1, characterized in that: It also includes: a buffer pad (22) connected to the first guide rod (18), the lower side of the buffer pad (22) being in contact with the fixing plate (15).
3. The dust collection device for a converter tertiary dust removal system according to claim 2, characterized in that: It also includes: The number of second guide rods (24) is set to four, all of which are slidably connected to the fixed plate (15); The third guide rod (25) is provided in four parts and is slidably connected to the fixed plate (15). The fourth guide rod (26) is set to four in number, and all of them are slidably connected to the fixed plate (15); The first contact plate (28) is connected between the lower ends of the four second guide rods (24); The second contact plate (29) is connected between the lower ends of the third guide rod (25) and the second contact plate (29) is located in the inner ring of the first contact plate (28); The third contact plate (30) is connected between the lower ends of the fourth guide rod (26) and is located in the inner ring of the second contact plate (29). The first contact plate (28), the second contact plate (29) and the third contact plate (30) are used to handle residual dust. The connecting bracket (27) is connected between the upper ends of the four second guide rods (24), the four third guide rods (25), and the four fourth guide rods (26).
4. The dust collection device for a converter tertiary dust removal system according to claim 3, characterized in that: A U-shaped handle is connected to the upper part of the connecting frame (27).
5. The dust collection device for a converter tertiary dust removal system according to claim 4, characterized in that: The discharge cylinder (3) is funnel-shaped and detachable, located on the lower side of the collection frame (2).
6. The dust collection device for a converter tertiary dust removal system according to claim 5, characterized in that: The aperture of the first filter screen (11) is smaller than that of the second filter screen (17), and the aperture of the second filter screen (17) is smaller than that of the third filter screen (23).
7. A dust collection device for a converter tertiary dust removal system according to claim 6, characterized in that: The collection frame (10) is a ring-shaped, detachable structure located between the two screws (8).