Filter screen type blast furnace dust removal device

Abstract

The utility model discloses a filter screen type blast furnace dust removal device, which relates to the technical field of blast furnace dust removal equipment and comprises a barrel, an air inlet is arranged at the right end of the barrel, an air outlet is arranged at the top of the barrel, a mounting ring is fixedly connected to the inner wall of the barrel, a filter bag support is fixedly connected to the inner wall of the mounting ring, and a filter bag is arranged at the top of the filter bag support. A driving unit is arranged in the barrel and comprises a cross rod, the middle of the cross rod is rotationally connected with a first rotating shaft, the bottom of the barrel is fixedly connected with a waste box, the interior of the waste box is slidably connected with a collecting box, the left side wall of the collecting box is fixedly connected with a connecting frame, and the left side of the connecting frame is provided with a transfer unit. The driving unit is arranged, the first cleaning frame and the second cleaning frame are driven by the first rotating shaft to rotate, solid particles attached to the top and the side face of the filter bag are cleaned, the good filtering effect of the filter bag is guaranteed, manpower and material resources are saved, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of blast furnace dust removal equipment, in particular to a filter screen type blast furnace dust removal device. Background Art

[0002] Blast furnaces are used for smelting under high temperature and high pressure. The gases produced during the process contain a large amount of harmful substances and particulate matter. The solid particulate matter is captured by a dust removal device to form dust ash. The dust ash contains a variety of toxic and harmful metal elements and compounds, and needs to be specially treated in a rotary kiln for resource utilization.

[0003] At present, most blast furnace dust removal devices use bags made of special high-temperature resistant materials to filter flue gas. After working for a period of time, traditional dust removal devices require workers to manually capture solid particles attached to the bags. This method is time-consuming and labor-intensive, increases the labor burden of workers and increases production costs. Utility Model Content

[0004] In order to solve the above technical problems, a filter mesh type blast furnace dust removal device is provided. This technical solution solves the problem that the traditional dust removal device proposed in the above background technology needs workers to clean or replace the bags after working for a period of time to ensure its good filtering effect. This method is time-consuming and labor-intensive, increases the labor burden of workers and also increases production costs.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A filter-type blast furnace dust removal device comprises a cylinder, the right end of the cylinder is provided with an air inlet, the top of the cylinder is provided with an air outlet, the inner wall of the cylinder is fixedly connected with a mounting ring, the inner wall of the mounting ring is fixedly connected with a filter bag holder, the top of the filter bag holder is provided with a filter bag, the interior of the cylinder is provided with a driving unit, the driving unit comprises a cross bar, the cross bar is horizontally arranged inside the cylinder, the left and right ends of the cross bar are fixedly connected to the inner wall of the mounting ring, the middle part of the upper end of the cross bar is rotatably connected with a rotating shaft 1, the top left side of the rotating shaft 1 is fixedly connected with a first cleaning frame, the right side of the rotating shaft 1 is fixedly connected with a second cleaning frame, the bottom of the cylinder is fixedly connected with a waste box, the interior of the waste box is slidably connected with a collecting box, the left side wall of the collecting box is fixedly connected with a connecting frame, and the left side of the connecting frame is provided with a transfer unit.

[0007] Optionally, the bottom of the rotating shaft 1 is fixedly connected with a bevel gear 1, the left side of the bevel gear 1 is meshedly connected with a bevel gear 2, a driving motor 1 is fixedly installed on the left side of the cylinder, the output end of the driving motor 1 passes through the outer wall of the cylinder and is fixedly connected with the rotating shaft 2, and the right end of the rotating shaft 2 is fixedly connected with the bevel gear 2.

[0008] Optionally, a protective cover is provided at the bottom of the rotating shaft 1, the bevel gear 1 and the bevel gear 2 are both located inside the protective cover, and the rotating shaft 1 and the rotating shaft 2 are both rotatably connected to the protective cover.

[0009] Optionally, the transfer unit includes a second drive motor, which is fixedly installed on the top of the waste box, and the output end of the second drive motor is fixedly connected with a screw, and the surface of the screw is threadedly connected with a sleeve, the left end of the sleeve is fixedly connected with a linkage rod, and the right end of the bottom of the linkage rod is fixedly connected with a push-pull rod, and the right end of the push-pull rod is fixedly connected to the connecting frame.

[0010] Optionally, a cleaning brush is provided on the top of the first cleaning rack and on the right end of the second cleaning rack.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. This solution is provided with a driving unit, and uses the rotating shaft to drive the first cleaning frame and the second cleaning frame to rotate, so as to clean the solid particles attached to the top and sides of the filter bag, thereby ensuring a good filtering effect of the filter bag, saving manpower and material resources, and reducing production costs.

[0013] 2. This solution is equipped with a transfer unit to capture the solid particles dropped when cleaning the filter bag through a collection box, which is convenient for the subsequent resource utilization of the dust removal ash. It has a simple structure, is easy to operate, and improves the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a three-dimensional structural cross-sectional view of the utility model;

[0016] Figure 3 for Figure 2 A local enlarged schematic diagram of point A in the middle.

[0017] The numbers in the figure are:

[0018] 1. Cylinder; 2. Air inlet; 3. Air outlet; 4. Mounting ring; 5. Filter bag bracket; 6. Filter bag; 7. Drive unit; 71. Cross bar; 72. Rotating shaft 1; 73. Bevel gear 1; 74. Bevel gear 2; 75. Drive motor 1; 76. Rotating shaft 2; 77. Protective cover; 8. First cleaning rack; 9. Second cleaning rack; 10. Waste box; 11. Collection box; 12. Connecting rack; 13. Transfer unit; 131. Drive motor 2; 132. Screw; 133. Sleeve; 134. Linkage rod; 135. Push-pull rod. DETAILED DESCRIPTION

[0019] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0020] Reference Figure 1 As shown, a filter screen type blast furnace dust removal device comprises a cylinder 1, an air inlet 2 is arranged at the right end of the cylinder 1, an air outlet 3 is arranged at the top of the cylinder 1, a mounting ring 4 is fixedly connected to the inner wall of the cylinder 1, a filter bag bracket 5 is fixedly connected to the inner wall of the mounting ring 4, a filter bag 6 is arranged on the top of the filter bag bracket 5, a driving unit 7 is arranged inside the cylinder 1, and the driving unit 7 comprises a cross bar 71, the cross bar 71 is horizontally arranged inside the cylinder 1, the left and right ends of the cross bar 71 are fixedly connected to the inner wall of the mounting ring 4, a rotating shaft 72 is rotatably connected to the middle part of the upper end of the cross bar 71, a first cleaning frame 8 is fixedly connected to the left side of the top of the rotating shaft 72, a second cleaning frame 9 is fixedly connected to the right side of the rotating shaft 72, and the cylinder 1 is provided with a driving unit 7. A waste box 10 is fixedly connected to the bottom, and a collecting box 11 is slidably connected to the inside of the waste box 10. A connecting frame 12 is fixedly connected to the left side wall of the collecting box 11, and a transfer unit 13 is provided on the left side of the connecting frame 12. When the filter bag 6 needs to be cleaned, the first cleaning frame 8 and the second cleaning frame 9 are driven to rotate by the rotating shaft 72 in the driving unit 7 to clean the top and side of the filter bag 6 respectively, so as to ensure that the filter bag 6 has a good filtering effect on the flue gas. The particulate matter and fixed pollutants that fall during the cleaning process are captured by the collecting box 11 and then pulled out by the push-pull rod 135 in the transfer unit 13, so as to facilitate the subsequent treatment of dust ash, thereby saving manpower and material resources and reducing production costs.

[0021] Further, such as Figure 2 and Figure 3As shown, a bevel gear 1 73 is fixedly connected to the bottom of the rotating shaft 1 72, and a bevel gear 2 74 is meshedly connected to the left side of the bevel gear 1 73. A driving motor 1 75 is fixedly installed on the left side of the cylinder 1. The output end of the driving motor 1 75 passes through the outer wall of the cylinder 1 and is fixedly connected to a rotating shaft 2 76. The right end of the rotating shaft 2 76 is fixedly connected to the bevel gear 2 74. A protective cover 77 is provided at the bottom of the rotating shaft 1 72. The bevel gear 1 73 and the bevel gear 2 74 are both located inside the protective cover 77. The rotating shaft 1 72 and the rotating shaft 2 76 are both rotatably connected to the protective cover 77. The transfer unit 13 includes a driving motor 2 131. The driving motor 2 131 is fixedly installed on the top of the waste bin 10. A screw 132 is fixedly connected to the output end of the driving motor 131. A sleeve 133 is threadedly connected to the surface of the screw 132. The sleeve 133 The left end is fixedly connected with a linkage rod 134, and the right end of the bottom of the linkage rod 134 is fixedly connected with a push-pull rod 135. The right end of the push-pull rod 135 is fixedly connected to the connecting frame 12. The top of the first cleaning frame 8 and the right end of the second cleaning frame 9 are both provided with a cleaning brush. The driving motor 1 75 drives the rotating shaft 2 76 to rotate, and then the bevel gear 2 74 drives the bevel gear 1 73 to rotate, and the bevel gear 1 73 drives the rotating shaft 1 72 to rotate, and the rotating shaft 1 72 drives the first cleaning frame 8 and the second cleaning frame 9 to rotate, so as to clean the top and side of the filter bag 6. The screw 132 is driven to rotate by the driving motor 2 131, so that the sleeve 133 moves to the left along the screw 132, and then the linkage rod 134 drives the push-pull rod 135 to pull the collection box 11 out of the waste bin 10. The structure is simple, the operation is convenient, and the practicability of the device is improved.

[0022] The working principle of the utility model is as follows: when in use, smoke enters the interior of the cylinder 1 from the air inlet 2, and is discharged from the air outlet 3 after being filtered by the filter bag 6. When cleaning the filter bag 6, the drive motor 1 75 is started, and the bevel gear 1 73 is driven to rotate through the bevel gear 2 74, so that the rotating shaft 1 72 drives the first cleaning frame 8 and the second cleaning frame 9 to clean the filter bag 6. The particulate matter and solid pollutants in the cleaning process fall into the collection box 11 in the waste bin 10, and the drive motor 2 131 is started, and the collection box 11 is pulled out through the push-pull rod 135, so as to facilitate the subsequent treatment of the dust in the box.

[0023] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A filter type blast furnace dust removal device, characterized in that: The invention comprises a cylinder (1), wherein the right end of the cylinder (1) is provided with an air inlet (2), the top of the cylinder (1) is provided with an air outlet (3), the inner wall of the cylinder (1) is fixedly connected with a mounting ring (4), the inner wall of the mounting ring (4) is fixedly connected with a filter bag bracket (5), the top of the filter bag bracket (5) is provided with a filter bag (6), the cylinder (1) is provided with a driving unit (7), the driving unit (7) comprises a cross bar (71), the cross bar (71) is horizontally arranged inside the cylinder (1), and the left and right ends of the cross bar (71) are connected to the mounting ring (4) and the filter bag bracket (5) is fixedly connected to the inner wall of the mounting ring (4), and the filter bag (6) is provided on the top of the filter bag bracket (5). The inner wall of the ring (4) is fixedly connected, the middle part of the upper end of the cross bar (71) is rotatably connected to a rotating shaft (72), the top left side of the rotating shaft (72) is fixedly connected to a first cleaning rack (8), the right side of the rotating shaft (72) is fixedly connected to a second cleaning rack (9), the bottom of the cylinder (1) is fixedly connected to a waste box (10), the interior of the waste box (10) is slidably connected to a collection box (11), the left side wall of the collection box (11) is fixedly connected to a connecting rack (12), and the left side of the connecting rack (12) is provided with a transfer unit (13).

2. A filter screen type blast furnace dust removal device according to claim 1, characterized in that: The bottom of the rotating shaft 1 (72) is fixedly connected to a bevel gear 1 (73), and the left side of the bevel gear 1 (73) is meshedly connected to a bevel gear 2 (74). The left side of the cylinder (1) is fixedly installed with a drive motor 1 (75), and the output end of the drive motor 1 (75) passes through the outer wall of the cylinder (1) and is fixedly connected to the rotating shaft 2 (76), and the right end of the rotating shaft 2 (76) is fixedly connected to the bevel gear 2 (74).

3. A filter screen type blast furnace dust removal device according to claim 2, characterized in that: A protective cover (77) is provided at the bottom of the rotating shaft 1 (72), the bevel gear 1 (73) and the bevel gear 2 (74) are both located inside the protective cover (77), and the rotating shaft 1 (72) and the rotating shaft 2 (76) are both rotatably connected to the protective cover (77).

4. A filter screen type blast furnace dust removal device according to claim 1, characterized in that: The transfer unit (13) comprises a second drive motor (131), the second drive motor (131) is fixedly installed on the top of the waste bin (10), the output end of the second drive motor (131) is fixedly connected with a screw rod (132), the surface of the screw rod (132) is threadedly connected with a sleeve (133), the left end of the sleeve (133) is fixedly connected with a linkage rod (134), the right end of the bottom of the linkage rod (134) is fixedly connected with a push-pull rod (135), and the right end of the push-pull rod (135) is fixedly connected to the connecting frame (12).

5. A filter screen type blast furnace dust removal device according to claim 1, characterized in that: The top of the first cleaning frame (8) and the right end of the second cleaning frame (9) are both provided with cleaning brushes.

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