Multi-section smelting waste gas dust removal equipment

Abstract

The invention belongs to the technical field of dust removal, and particularly relates to multi-section smelting waste gas dust removal equipment which is characterized in that the multi-section smelting waste gas dust removal equipment comprises a dust removal box and a dust removal tank, supporting legs are connected to the four corners of the bottom of the dust removal box through bolts, a box cover is connected to the top of the dust removal box through bolts, and a first discharging opening is formed in the top of the box cover; a connecting pipe is connected to the edge of the inner wall of the first discharge port through a flange, a pump body is connected to one end of the connecting pipe through a flange, supports are connected to the two sides of the outer wall of the dust removal tank through bolts, and a second inlet and a second discharge port are formed in the two ends of the dust removal tank correspondingly; a guide pipe is connected between one side of the second inlet and the pump body through a flange. The bottom of the filter plate can be effectively cleaned, the situation that the filter plate is blocked due to the fact that waste gas particles are accumulated at the bottom of the filter plate, and consequently filtration and dust removal of waste gas are affected is prevented, and meanwhile dust can be conveniently discharged from the filter plate through reciprocating movement of the cleaning plate.

Description

Technical Field

[0001] The present invention relates to the field of dust removal, and in particular to a multi-stage smelting waste gas dust removal device. Background Art

[0002] Steel refers to an iron-carbon alloy, a binary alloy with iron and carbon as components. It is the most widely used type of iron-based material. Carbon steel and cast iron are industrial iron-carbon alloy materials. Currently, a large amount of waste gas is generated during steel smelting. The waste gas contains impurities. If it is directly discharged into the air, it will cause air pollution. Therefore, it is necessary to improve the dust removal equipment and carry out multi-stage treatment of the waste gas generated by smelting.

[0003] After searching, a Chinese patent application with application publication number CN117000024B discloses an efficient steel smelting waste gas dust removal device and method thereof, including a purification box, a cleaning port is provided on the purification box, an air inlet and an air outlet are provided on the purification box, and also includes: a filter plate, a spray mechanism and a purification mechanism, the filter plate is fixedly connected in the purification box, the spray mechanism is installed on the purification box, the spray mechanism includes a spray pipe, the spray pipe is rotatably connected to the purification box, the spray pipe is connected to a spray disk, the spray disk is connected to an atomizing nozzle, the purification mechanism is installed on the purification box, the purification mechanism includes a filter box, the filter box is fixedly connected in the purification box, and a water inlet is provided on the filter box. Through the above technical scheme, the problem that it is difficult to filter out harmful substances in the exhaust gas in the related technology is solved, and the unpurified exhaust gas is directly discharged into the atmosphere, polluting the environment, and is very likely to endanger the health and safety of surrounding workers is solved.

[0004] When existing equipment is removing dust from exhaust gas, some larger particles will adhere to the surface of the filter plate. As the particles gradually accumulate, the exhaust gas particles will clog the filter plate, thereby affecting the dust removal efficiency of the exhaust gas. Summary of the Invention

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: The top of the dust collector is connected to the dust collecting box by bolts, and the top of the dust collector is provided with a box cover by bolts, and a first row port is provided on the top of the box cover, and a connecting pipe is connected to the inner wall edge of the first row port by a flange, and one end of the connecting pipe is connected to the pump body by a flange, and both ends of the outer wall of the dust collector are connected to the bracket by bolts, and the two ends of the dust collector are respectively provided with a second inlet and a second row port, and a conduit is connected between one side of the second inlet and the pump body by a flange, and a first inlet is provided on one side of the dust collector near the bottom, and a dust collecting pipe is connected to the dust collecting pipe on one side by a flange, a filter mechanism is provided inside the dust collector, and an anti-blocking mechanism is provided at the bottom of the filter mechanism, and the filter mechanism includes a frame, two filter plates and a plurality of limit blocks, and the outer wall of the frame is connected to the inner wall of the dust collector by bolts, and both sides of the top of the frame are penetrated by The top of the cleaning plate is provided with a plurality of first brush wires, and the top of the first brush wires contacts the bottom of the filter plate, and the top of the cleaning plate is provided with a plurality of filter holes, and the cleaning plate and the cleaning plate are connected by a transmission assembly.

[0006] Preferably, a slag discharge port is provided at the bottom of the dust removal box, and a valve plate is rotatably connected to the inside of the slag discharge port, and a runner is fixed to one side of the valve plate.

[0007] Preferably, a first filter screen and a second filter screen are respectively connected to both sides of the inner wall of the dust removal tank by bolts, and the mesh diameter of the first filter screen is larger than the mesh diameter of the second filter screen.

[0008] Preferably, the transmission assembly consists of a half gear and two racks, and the half gear is fixedly sleeved on the outer wall of the rotating rod, the two racks are connected to the bottom of the two cleaning plates by bolts, and the two racks are distributed on both sides of the half gear, and meshing is formed between the half gear and the two racks.

[0009] Preferably, an impact mechanism is provided on the top of the filtering mechanism, and the impact mechanism cooperates with the anti-blocking mechanism.

[0010] Preferably, the impact mechanism includes a support shaft, a gear set, two shafts, a first impact plate and a second impact plate, and the bottom of the support shaft is fixedly connected to the top of the rotating rod, one end of the shaft is connected to the inner wall of the dust removal box through a bearing to form a rotation connection, the first impact plate and the second impact plate are respectively fixedly sleeved on the outer walls of the two shafts, and multiple second brush wires are provided on one side of the first impact plate and one side of the second impact plate.

[0011] Preferably, the gear set consists of a first bevel gear and two second bevel gears, and the first bevel gear is fixedly sleeved on the outer wall of the support shaft, and the second bevel gear is fixedly sleeved on the outer wall of the shaft, and the first bevel gear and the second bevel gear are meshed.

[0012] The beneficial effects of the present invention are: The present invention provides an anti-blocking mechanism, and when the smelting waste gas is treated, the pump body is started, and the waste gas is transported to the interior of the dust removal box through the dust removal pipe, and the waste gas is preliminarily filtered and dust-removed by the filter plate. The waste gas after dust removal is transported to the interior of the dust removal tank through the connecting pipe, and the waste gas is dust-removed by the first filter screen and the second filter screen. During this period, when the waste gas enters the interior of the dust removal box, the blades will drive the turntable to rotate under the impact of the waste gas, and the turntable will drive the rotating rod to rotate synchronously when it rotates. At this time, the half gear will rotate synchronously with the rotation of the rotating rod, and when the half gear is engaged with one of the racks during rotation, the rack will Under the action of meshing, the connecting plate and the cleaning plate are driven to move to one side, so that the top of the filter plate is cleaned by the first brush wire. When the half gear rotates to the other side, the half gear will mesh with the other rack, and the other rack will drive the other connecting plate and the cleaning plate to move, over and over again. The reciprocating movement of the two cleaning plates can effectively clean the bottom of the filter plate, preventing the accumulation of exhaust gas particles at the bottom of the filter plate and causing the filter plate to be blocked, thereby affecting the filtration and dust removal of the exhaust gas. At the same time, the reciprocating movement of the cleaning plate can facilitate the discharge of dust from the filter plate, so that the dust is collected at the bottom of the dust removal box. The present invention provides an anti-blocking mechanism and an impact mechanism. When the rotating rod rotates, the support shaft drives the first bevel gear to rotate synchronously with the rotation of the rotating rod. At this time, the second bevel gear drives the shaft to rotate through engagement. At this time, the first impact plate rotates synchronously with the rotation of the shaft. When one end of the first impact plate and the second impact plate act on the filter plate, the filter plate moves downward under the action of the first impact plate. At this time, the cleaning pressure of the first brush wire on the bottom of the filter plate will increase, thereby improving the cleaning effect of the first brush wire on the bottom of the filter plate. When one end of the second brush wire acts on the top of the filter plate, the cooperation between the first brush wire and the second brush wire can effectively improve the cleaning effect of the filter plate, thereby improving the dust removal effect of the filter plate on the exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of a multi-stage smelting waste gas dust removal equipment proposed by the present invention; Figure 2 This is a schematic diagram of the main structure of a multi-stage smelting waste gas dust removal equipment proposed by the present invention; Figure 3 This is a schematic diagram of the cross-sectional structure of a dust removal box of a multi-stage smelting waste gas dust removal equipment proposed by the present invention; Figure 4 This is a schematic diagram of the cross-sectional structure of a dust removal tank of a multi-stage smelting waste gas dust removal equipment proposed by the present invention; Figure 5 This is a partial structural diagram of a multi-stage smelting waste gas dust removal equipment proposed by the present invention; Figure 6 This is a schematic diagram of the explosion structure of the filtering mechanism of a multi-stage smelting waste gas dust removal equipment proposed by the present invention; Figure 7 This is a schematic diagram of the explosion structure of the anti-blocking mechanism of a multi-stage smelting waste gas dust removal equipment proposed by the present invention; Figure 8 This is a schematic diagram of the explosion structure of the impact mechanism of a multi-stage smelting waste gas dust removal equipment proposed by the present invention.

[0014] In the figure: 1, dust removal box; 2, support leg; 3, slag discharge port; 4, pump body; 5, dust removal tank; 6, bracket; 7, guide tube; 8, connecting pipe; 9, box cover; 10, dust removal pipe; 11, first inlet; 12, valve plate; 13, first discharge port; 14, frame; 15, filter plate; 16, anti-blocking mechanism; 17, second inlet; 18, second discharge port; 19, first filter screen; 20, second filter screen; 21, impact mechanism; 22, through port ; 23. Limit block; 24. First spring; 25. Rotating rod; 26. Rotating disk; 27. Blade; 28. Half gear; 29. Rack; 30. Connecting plate; 31. Notch; 32. Limiter; 33. Second spring; 34. First brush; 35. Cleaning plate; 36. Support shaft; 37. First bevel gear; 38. Second bevel gear; 39. Shaft; 40. First impact plate; 41. Second impact plate; 42. Second brush. DETAILED DESCRIPTION

[0015] Example 1, with reference to Figure 1-Figure 7A multi-stage smelting waste gas dust removal equipment includes a dust removal box 1 and a dust removal tank 5. The four corners of the bottom of the dust removal box 1 are connected to the support legs 2 by bolts. The top of the dust removal box 1 is connected to the box cover 9 by bolts, and the top of the box cover 9 is provided with a first row of ports 13. The inner wall edge of the first row of ports 13 is connected to a connecting pipe 8 by a flange, and one end of the connecting pipe 8 is connected to the pump body 4 by a flange. Both sides of the outer wall of the dust removal tank 5 are connected to the bracket 6 by bolts. The two ends of the dust removal tank 5 are respectively provided with a second inlet 17 and a second row of ports. 18. A conduit 7 is connected between one side of the second inlet 17 and the pump body 4 through a flange. A first inlet 11 is opened on one side of the dust removal box 1 near the bottom, and one side of the first inlet 11 is connected to a dust removal pipe 10 through a flange. A filtering mechanism is provided inside the dust removal box 1, and an anti-blocking mechanism 16 is provided at the bottom of the filtering mechanism, which can effectively clean the bottom of the filtering mechanism and prevent exhaust gas particles from accumulating at the bottom of the filtering mechanism, causing the filtering mechanism to be blocked, thereby affecting the filtering and dust removal of the exhaust gas.

[0016] On the basis of the above, a slag discharge port 3 is opened at the bottom of the dust removal box 1 , and a valve plate 12 is rotatably connected to the inside of the slag discharge port 3 , and a runner is fixed to one side of the valve plate 12 .

[0017] On the basis of the above, a first filter screen 19 and a second filter screen 20 are respectively connected to both sides of the inner wall of the dust removal tank 5 by bolts, and the mesh diameter of the first filter screen 19 is larger than the mesh diameter of the second filter screen 20.

[0018] On the basis of the above, the filtering mechanism includes a frame 14, two filter plates 15 and multiple limit blocks 23, and the outer wall of the frame 14 is connected to the inner wall of the dust removal box 1 by bolts, and openings 22 are opened on both sides of the top of the frame 14. The filter plate 15 is slidingly connected to the opening 22, and the four corners of the inner wall of the opening 22 are connected to the limit blocks 23 by bolts. The bottom of the limit block 23 and the top of the filter plate 15 are connected to the first spring 24 by bolts.

[0019] On the basis of the above, the anti-blocking mechanism 16 includes a rotating rod 25, a rotating disk 26, a plurality of blades 27, a connecting plate 30, a cleaning plate 35 and a transmission assembly, and the bottom of the rotating rod 25 is connected to the rotating disk 26 by bolts, and the plurality of blades 27 are fixed at equal distances on the circumferential outer wall of the rotating disk 26. A rotating port is opened through the top of the frame 14, and a rotating connection is formed between the rotating port and the rotating rod 25 through a bearing. Both ends of one side of the connecting plate 30 are provided with a slot 31, and the inner wall of the slot 31 is connected to the inner wall of the dust removal box 1 by a bolt connection with a limiter 32. The limiter 32 is made of a telescopic material, and the outer wall of the limiter 32 is sleeved with a second spring 33. One side of the connecting plate 30 is connected to the cleaning plate 35 by bolts. A plurality of first brushes 34 are provided on the top of the connecting plate 30 and the top of the cleaning plate 35. The top of the first brush 34 contacts the bottom of the filter plate 15, and a plurality of filter holes are opened through the top of the cleaning plate 35. The cleaning plate 35 and the rotating rod 25 are connected by a transmission assembly.

[0020] On the basis of the above, the transmission assembly consists of a half gear 28 and two racks 29, and the half gear 28 is fixedly sleeved on the outer wall of the rotating rod 25, and the two racks 29 are connected to the bottom of the two cleaning plates 35 by bolts. The two racks 29 are distributed on both sides of the half gear 28, and meshing is formed between the half gear 28 and the two racks 29.

[0021] Example 2, reference Figures 1-8 , a multi-stage smelting waste gas dust removal equipment, compared with Example 1, on the basis of Example 1, an impact mechanism 21 is provided on the top of the filtering mechanism, and the impact mechanism 21 is matched with the anti-blocking mechanism 16.

[0022] On the basis of the above, the impact mechanism 21 includes a support shaft 36, a gear set, two shafts 39, a first impact plate 40 and a second impact plate 41, and the bottom of the support shaft 36 is fixedly connected to the top of the rotating rod 25, and one end of the shaft 39 is connected to the inner wall of the dust removal box 1 through a bearing to form a rotation connection. The first impact plate 40 and the second impact plate 41 are respectively fixedly sleeved on the outer walls of the two shafts 39, and a plurality of second brushes 42 are provided on one side of the first impact plate 40 and one side of the second impact plate 41.

[0023] On the basis of the above, the gear set consists of a first bevel gear 37 and two second bevel gears 38, and the first bevel gear 37 is fixedly sleeved on the outer wall of the support shaft 36, and the second bevel gear 38 is fixedly sleeved on the outer wall of the shaft 39. The first bevel gear 37 is meshed with the second bevel gear 38. When one end of the first impact plate 40 and the second impact plate 41 acts on the filter plate 15, the filter plate 15 will move downward under the action of the first impact plate 40. At this time, the cleaning pressure of the first brush 34 on the bottom of the filter plate 15 will increase, thereby improving the cleaning effect of the first brush 34 on the bottom of the filter plate 15, and when one end of the second brush 42 acts on the top of the filter plate 15, the cooperation between the first brush 34 and the second brush 42 can effectively improve the cleaning effect of the filter plate 15, thereby improving the dust removal effect of the filter plate 15 on the exhaust gas.

[0024] In summary, with the help of the above technical solution of the present invention: when treating the smelting waste gas, the pump body 4 is started, the waste gas will be transported to the inside of the dust removal box 1 through the dust removal pipe 10, and the waste gas will be preliminarily filtered and dust-removed through the filter plate 15. The waste gas after dust removal will be transported to the inside of the dust removal tank 5 through the connecting pipe 8, and the waste gas will be dust-removed through the first filter 19 and the second filter 20. During this period, when the waste gas enters the interior of the dust removal box 1, the blade 27 will drive the turntable 26 to rotate under the impact of the waste gas, and the turntable 26 will drive the rotating rod 25 to rotate synchronously when rotating. When the half gear 28 rotates, the half gear 28 will rotate synchronously with the rotation of the rotating rod 25. When the half gear 28 is engaged with one of the racks 29 during rotation, the rack 29 will drive the connecting plate 30 and the cleaning plate 35 to move to one side under the action of the engagement, thereby cleaning the top of the filter plate 15 through the first brush 34. When the half gear 28 rotates to the other side, the half gear 28 will be engaged with the other rack 29, and the other rack 29 will drive the other connecting plate 30 and the cleaning plate 35 to move, and the cycle repeats. Through the reciprocating movement of the two cleaning plates 35 The bottom of the filter plate 15 can be effectively cleaned to prevent the waste gas particles from accumulating at the bottom of the filter plate 15 and causing the filter plate 15 to be blocked, thereby affecting the filtration and dust removal of the waste gas. At the same time, the reciprocating movement of the cleaning plate 35 can facilitate the discharge of dust from the filter plate 15, so that the dust can be collected at the bottom of the dust removal box 1. When the rotating rod 25 is rotating, the support shaft 36 will drive the first bevel gear 37 to rotate synchronously with the rotation of the rotating rod 25. At this time, the second bevel gear 38 drives the shaft 39 to rotate through meshing. At this time, the first impact plate 40 will As the shaft 39 rotates, the first impact plate 40 and the second impact plate 41 rotate synchronously. When one end of the first impact plate 40 and the second impact plate 41 act on the filter plate 15, the filter plate 15 will move downward under the action of the first impact plate 40. At this time, the cleaning pressure of the first brush 34 on the bottom of the filter plate 15 will increase, thereby improving the cleaning effect of the first brush 34 on the bottom of the filter plate 15. When one end of the second brush 42 acts on the top of the filter plate 15, the cooperation between the first brush 34 and the second brush 42 can effectively improve the cleaning effect of the filter plate 15, thereby improving the dust removal effect of the filter plate 15 on the exhaust gas.

[0025] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A multi-stage smelting waste gas dust removal device, comprising a dust removal box (1) and a dust removal tank (5), characterized in that: The four corners of the bottom of the dust removal box (1) are connected to support legs (2) by bolts, the top of the dust removal box (1) is connected to a box cover (9) by bolts, and a first row of ports (13) is provided on the top of the box cover (9), and a connecting pipe (8) is connected to the inner wall edge of the first row of ports (13) by a flange, and one end of the connecting pipe (8) is connected to the pump body (4) by a flange, and both sides of the outer wall of the dust removal tank (5) are connected to brackets (6) by bolts, and the two ends of the dust removal tank (5) are respectively provided with a second inlet (17) and a second row of ports (18), and one side of the second inlet (17) is connected to the pump body (4) by a flange. The duct (7) is provided with a first inlet (11) at a position near the bottom of one side of the dust removal box (1), and a dust removal pipe (10) is connected to one side of the first inlet (11) through a flange. A filter mechanism is provided inside the dust removal box (1), and an anti-blocking mechanism (16) is provided at the bottom of the filter mechanism. The filter mechanism includes a frame (14), two filter plates (15) and a plurality of limit blocks (23), and the outer wall of the frame (14) is connected to the inner wall of the dust removal box (1) by bolts. A through opening (22) is provided on both sides of the top of the frame (14), and the filter plate (15) is slidably connected to the through opening (22). The inner wall of the through opening (22) The four corners of the frame (14) are connected to the limit block (23) by bolts, and the bottom of the limit block (23) and the top of the filter plate (15) are connected to the first spring (24) by bolts. The anti-blocking mechanism (16) includes a rotating rod (25), a rotating disk (26), a plurality of blades (27), a connecting plate (30), a cleaning plate (35) and a transmission assembly, and the bottom of the rotating rod (25) and the rotating disk (26) are connected by bolts. The plurality of blades (27) are fixed on the circumferential outer wall of the rotating disk (26) at equal distances. A rotating port is opened through the top of the frame (14), and a rotating port and the rotating rod (25) are connected to each other in rotation by a bearing. Two sides of the connecting plate (30) are connected to each other. A notch (31) is provided at each end, and a limiter (32) is connected between the inner wall of the notch (31) and the inner wall of the dust removal box (1) by bolts. The limiter (32) is made of a telescopic material, and a second spring (33) is sleeved on the outer wall of the limiter (32). One side of the connecting plate (30) is connected to the cleaning plate (35) by bolts. A plurality of first brush wires (34) are provided on the top of the connecting plate (30) and the top of the cleaning plate (35). The top of the first brush wire (34) contacts the bottom of the filter plate (15). A plurality of filter holes are provided through the top of the cleaning plate (35), and the cleaning plate (35) and the rotating rod (25) are connected by a transmission assembly.

2. The multi-stage smelting waste gas dust removal equipment according to claim 1, characterized in that: A slag discharge port (3) is provided at the bottom of the dust removal box (1), and a valve plate (12) is rotatably connected to the interior of the slag discharge port (3), and a rotating wheel is fixed to one side of the valve plate (12).

3. The multi-stage smelting waste gas dust removal equipment according to claim 1, characterized in that: A first filter screen (19) and a second filter screen (20) are respectively connected to both sides of the inner wall of the dust removal tank (5) by bolts, and the mesh diameter of the first filter screen (19) is larger than the mesh diameter of the second filter screen (20).

4. The multi-stage smelting waste gas dust removal equipment according to claim 1, characterized in that: The transmission assembly consists of a half gear (28) and two racks (29), and the half gear (28) is fixedly sleeved on the outer wall of the rotating rod (25). The two racks (29) are connected to the bottom of the two cleaning plates (35) by bolts. The two racks (29) are distributed on both sides of the half gear (28), and the half gear (28) and the two racks (29) are meshed.

5. The multi-stage smelting waste gas dust removal equipment according to claim 4, characterized in that: An impact mechanism (21) is provided on the top of the filtering mechanism, and the impact mechanism (21) cooperates with the anti-blocking mechanism (16).

6. The multi-stage smelting waste gas dust removal equipment according to claim 5, characterized in that: The impact mechanism (21) comprises a support shaft (36), a gear set, two shafts (39), a first impact plate (40) and a second impact plate (41), wherein the bottom of the support shaft (36) is fixedly connected to the top of the rotating rod (25), one end of the shaft (39) is rotatably connected to the inner wall of the dust removal box (1) via a bearing, the first impact plate (40) and the second impact plate (41) are respectively fixedly sleeved on the outer walls of the two shafts (39), and a plurality of second brush filaments (42) are provided on one side of the first impact plate (40) and one side of the second impact plate (41).

7. The multi-stage smelting waste gas dust removal equipment according to claim 6, characterized in that: The gear set consists of a first bevel gear (37) and two second bevel gears (38), wherein the first bevel gear (37) is fixedly sleeved on the outer wall of the support shaft (36), and the second bevel gear (38) is fixedly sleeved on the outer wall of the shaft (39), and the first bevel gear (37) and the second bevel gear (38) are meshed.

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