Blast furnace dust removal device

Abstract

The utility model relates to the technical field of blast furnace dust removal, and discloses a blast furnace dust removal device, which comprises a dust removal box, a dust collection box and a dust collection box, the spraying mechanism is located in the dust removal box, the spraying mechanism comprises a spraying plate, a water supply assembly, an anti-bubble assembly and a collecting assembly which are installed in the dust removal box, a plurality of evenly-distributed spraying pipes are installed at the bottom of the spraying plate, and a guide plate corresponding to the spraying plate is fixed to one side of the top of the dust collection cotton; through the arrangement of the spraying mechanism, flue gas can be sprayed and cleaned in the heat conduction process, so that suspended particles in the flue gas can be effectively separated, the air quality is improved, the situation of harming the environment and human health is avoided, and the dust removal efficiency of the device is improved; the problems that in an existing device, particulate matter which is not captured can be attached to the inner wall of the dust removal box, and abrasion and corrosion of equipment are increased are solved, the service life of the equipment is greatly prolonged, and the operation cost is reduced.

Description

Technical Field

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

[0002] The blast furnace dust removal device is a device used to collect and remove dust and harmful gases generated during the operation of the blast furnace. Through the sealing design of the equipment and high-efficiency filtering materials, the blast furnace dust removal device can effectively capture the high-temperature dust and fine particles generated by the blast furnace; at the same time, with the help of a combination of wet dust removal and dry dust removal, it not only improves the dust removal efficiency but also reduces the risk of secondary pollution.

[0003] A Chinese patent with announcement number CN219490058U discloses a blast furnace dust removal device, which sucks the high-temperature gas from the blast furnace slag outlet into a cooling dust removal box through an exhaust hood, first cools the gas in the box and then removes the dust, and uses a cooling water pipe for indirect cooling to avoid water pollution during direct cooling. The cooling water pipe is covered with a cooling hood in the cooling zone to avoid the deposition of dust on the cooling water pipe during the cooling process; however, the above-mentioned device conducts heat to the flue gas inside the dust removal box through water temperature, but it is difficult to remove dust from the flue gas during the heat conduction process, so that the suspended particulate matter in the flue gas will float, resulting in a decrease in air quality, serious harm to the environment and human health, and low dust removal efficiency. The uncollected particulate matter will adhere to the inner wall of the dust removal box, increasing equipment wear and corrosion, greatly reducing the service life of the equipment, and increasing operating costs. Utility Model Content

[0004] The purpose of the utility model is to provide a blast furnace dust removal device, which solves the problem in the background technology that it is difficult to remove dust from the flue gas during the heat conduction process, causing the suspended particulate matter in the flue gas to float, resulting in a decrease in air quality, serious harm to the environment and human health, and reduced dust removal efficiency.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A blast furnace dust removal device, comprising:

[0007] A dust removal box, wherein dust collecting cotton is installed inside the dust removal box, and an exhaust hood and an air outlet pipe are connected to both ends of the dust removal box respectively, an exhaust fan is installed between the exhaust hood and the dust removal box, and a cover is provided on the top of the dust removal box;

[0008] The spray mechanism is located inside the dust removal box and is used to spray the flue gas inside the dust removal box for dust removal. The spray mechanism includes a spray plate installed inside the dust removal box, a water supply component, an anti-bubble component and a collecting component. The water supply component is located between the spray plate and the dust removal box and is used to supply water to the spray plate. The collecting component is located at the bottom of the dust removal box and is used to collect the clean water after spraying. The anti-bubble component is located inside the collecting component and is used to prevent the clean water from being mixed with a lot of flue gas. A plurality of evenly distributed spray pipes are installed at the bottom of the spray plate, and a guide plate corresponding to the spray plate is fixed on one side of the top of the dust-absorbing cotton.

[0009] Preferably, the water supply assembly includes a water tank fixed on one side of the dust removal box and a water supply pump installed inside the water tank, the water outlet of the water supply pump is connected to a water supply pipe, and the water supply pipe is connected to the spray plate.

[0010] Preferably, the collection assembly includes a dust removal frame installed inside the dust removal box and a recovery box installed at the bottom of the dust removal box. The recovery box corresponds to the dust removal frame. The bottom of the dust removal frame is provided with collection holes corresponding to the multiple spray pipes. The outer wall of the recovery box is fixed with multiple evenly distributed sealing blocks, and bolts are screwed between the multiple sealing blocks and the dust removal box.

[0011] Preferably, the anti-bubble assembly includes a rotating shaft installed inside the dust removal box, the rotating shaft extends to one side of the dust removal box and is fixed with a rotating disk, a handle is installed on one side of the rotating disk, and a plurality of evenly distributed rotating plates are fixed to the outer wall of the rotating shaft, and the plurality of rotating plates correspond to the plurality of collection holes.

[0012] Preferably, a baffle is fixed inside the dust removal box, and the baffle corresponds to the exhaust fan.

[0013] Preferably, a positioning mechanism for positioning the cover plate is provided between the dust removal box and the cover plate, the positioning mechanism includes a slide fixed to the bottom of the cover plate, a fixing plate is fixed to one side of the dust removal box, a positioning rod connected to the fixing plate is fixed to one side of the cover plate, and a plug-in assembly for plugging the slide into the dust removal box is provided between the slide and the dust removal box.

[0014] Preferably, the plug-in assembly includes an extension seat fixed on one side of the dust removal box, a movable plate is installed inside the extension seat, two plug rods are fixed on one side of the movable plate, the two plug rods are plugged into the slide plate, a spring is connected between the movable plate and the extension seat, and two movable rods are fixed on one side of the movable plate relative to the two plug rods, the two movable rods extend to one side of the extension seat and are jointly fixed with a control rod.

[0015] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0016] 1. The utility model is provided with a spray mechanism, which can realize the spray cleaning of flue gas during the heat conduction process, so that the suspended particulate matter in the flue gas can be effectively separated, thereby improving the air quality, avoiding harm to the environment and human health, and increasing the dust removal efficiency of the device. It solves the problem that the uncollected particulate matter in the existing device will adhere to the inner wall of the dust removal box, increasing the wear and corrosion of the equipment, greatly improving the service life of the equipment and reducing the operating cost;

[0017] 2. The utility model can position the cover plate through the setting of the positioning mechanism, improve the sealing of the dust removal box, reduce the leakage of smoke and dust inside the dust removal box from the cover plate, ensure that the smoke can enter the dust removal box for dust removal, further improve the dust removal efficiency, and at the same time, the dust removal box with good sealing can reduce the erosion of dust and smoke on the outside of the equipment, further extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 A cross-sectional view of the utility model as a whole;

[0020] Figure 3 This is a structural diagram of the spray mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the spray mechanism of the utility model when it is disassembled;

[0022] Figure 5 This is a structural diagram of the positioning mechanism of the utility model;

[0023] Figure 6 This is a structural diagram of the positioning mechanism of the utility model when it is disassembled.

[0024] Including: 1. Dust removal box; 2. Spray mechanism; 3. Positioning mechanism; 4. Cover; 5. Exhaust fan; 6. Exhaust hood; 7. Dust cotton;

[0025] 21. Guide plate; 22. Recovery box; 23. Rotating plate; 24. Dust removal frame; 25. Water tank; 26. Spray plate; 27. Water pump; 28. Rotating shaft;

[0026] 31. Fixed plate; 32. Positioning rod; 33. Extension seat; 34. Spring; 35. Movable plate; 36. Insert rod; 37. Slide plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Please refer to Figure 1 and Figure 2 , a blast furnace dust removal device, comprising:

[0029] The dust removal box 1 has dust collecting cotton 7 installed inside, and the two ends of the dust removal box 1 are respectively connected with an exhaust hood 6 and an air outlet pipe, an exhaust fan 5 is installed between the exhaust hood 6 and the dust removal box 1, and a cover plate 4 is provided on the top of the dust removal box 1.

[0030] Please refer to Figure 2 、 Figure 3 and Figure 4 , spray mechanism 2, the spray mechanism 2 is located inside the dust removal box 1 and is used to spray the flue gas inside the dust removal box 1 for dust removal, the spray mechanism 2 includes a spray plate 26 installed inside the dust removal box 1, a water supply component, an anti-bubble component and a collecting component, the water supply component is located between the spray plate 26 and the dust removal box 1 and is used to supply water to the spray plate 26, the collecting component is located at the bottom of the dust removal box 1 and is used to collect the clean water after spraying, the anti-bubble component is located inside the collecting component and is used to prevent the clean water from being mixed with more flue gas, a plurality of evenly distributed spray pipes are installed at the bottom of the spray plate 26, and a guide plate 21 corresponding to the spray plate 26 is fixed on one side of the top of the dust-absorbing cotton 7, the water supply component includes a water tank 25 fixed on one side of the dust removal box 1 and a A water supply pump 27, the water outlet end of the water supply pump 27 is connected to a water supply pipe, and the water supply pipe is connected to the spray plate 26. The collecting assembly includes a dust removal frame 24 installed inside the dust removal box 1 and a recovery box 22 installed at the bottom of the dust removal box 1. The recovery box 22 corresponds to the dust removal frame 24. The bottom of the dust removal frame 24 is provided with collecting holes corresponding to multiple spray pipes. The outer wall of the recovery box 22 is fixed with multiple evenly distributed sealing blocks, and bolts are screwed between the multiple sealing blocks and the dust removal box 1. The anti-bubble assembly includes a rotating shaft 28 installed inside the dust removal box 1, the rotating shaft 28 extends to one side of the dust removal box 1 and is fixed with a rotating disk 23. A handle is installed on one side of the rotating disk 23, and the outer wall of the rotating shaft 28 is fixed with multiple evenly distributed rotating plates, and the multiple rotating plates correspond to the multiple collecting holes;

[0031] Further, if Figure 2As shown, a baffle is fixed inside the dust removal box 1, and the baffle corresponds to the exhaust fan 5; based on this, when the exhaust fan 5 is working, the baffle is set to effectively isolate the wind force, avoiding the situation where the clean water is directly drawn away by the spray pipe, thereby improving the spraying efficiency of the spray mechanism 2.

[0032] Through the setting of the guide plate 21, the flue gas can enter the dust removal frame 24, and the water source inside the water tank 25 is transported to the water supply pipe through the water pump 27. The flue gas is sprayed through multiple evenly distributed spray pipes, so that the suspended particulate matter mixed inside can be effectively separated. Through the setting of the collecting hole, the clean water after spraying can enter the recovery box 22. During the flow of clean water, the rotating disk 23 is rotated by the handle, and the rotation of the rotating disk 23 drives the rotating shaft 28 to rotate. The rotation of the rotating shaft 28 drives multiple evenly distributed rotating plates to rotate synchronously. Through the rotation of multiple rotating plates, the clean water can be effectively stirred, thereby avoiding the situation where flue gas is mixed in the clean water, and further improving the dust removal efficiency of the device.

[0033] Please also refer to Figure 5 and Figure 6 A positioning mechanism 3 for positioning the cover plate 4 is provided between the dust removal box 1 and the cover plate 4. The positioning mechanism 3 includes a slide plate 37 fixed to the bottom of the cover plate 4. A fixing plate 31 is fixed to one side of the dust removal box 1. A positioning rod 32 connected to the fixing plate 31 is fixed to one side of the cover plate 4. A plug-in assembly for plugging the slide plate 37 is provided between the slide plate 37 and the dust removal box 1. The plug-in assembly includes an extension seat 33 fixed to one side of the dust removal box 1. A movable plate 35 is installed inside the extension seat 33. Two plug rods 36 are fixed on one side of the movable plate 35. The two plug rods 36 are plugged into the slide plate 37. A spring 34 is connected between the movable plate 35 and the extension seat 33, and two movable rods are fixed to one side of the movable plate 35 relative to the two plug rods 36. The two movable rods extend to one side of the extension seat 33 and are fixed with a control rod.

[0034] When the cam 35 is in the closed position, the two levers 32 are in the closed position, and the two levers 33 are in the closed position, so that the cam 35 can be moved. When the cam 35 is in the closed position, the lever 35 is in the closed position, and the two levers 33 are in the closed position, so that the cam 35 can be moved. When the cam 35 is in the closed position, the lever 35 is in the closed position, and the two levers 33 are in the closed position, so that the cam 35 can be moved.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blast furnace dust removal device, characterized in that: include: A dust removal box (1), wherein dust collecting cotton (7) is installed inside the dust removal box (1), and an exhaust hood (6) and an air outlet pipe are connected to both ends of the dust removal box (1), an exhaust fan (5) is installed between the exhaust hood (6) and the dust removal box (1), and a cover plate (4) is provided on the top of the dust removal box (1); A spray mechanism (2), the spray mechanism (2) is located inside the dust removal box (1) and is used to spray the flue gas inside the dust removal box (1) to remove dust, the spray mechanism (2) comprises a spray plate (26) installed inside the dust removal box (1), a water supply component, an anti-bubble component and a collection component, the water supply component is located between the spray plate (26) and the dust removal box (1) and is used to supply water to the spray plate (26), the collection component is located at the bottom of the dust removal box (1) and is used to collect the clean water after spraying, the anti-bubble component is located inside the collection component and is used to prevent the clean water from being mixed with a lot of flue gas, a plurality of evenly distributed spray pipes are installed at the bottom of the spray plate (26), and a guide plate (21) corresponding to the spray plate (26) is fixed on one side of the top of the dust-absorbing cotton (7).

2. A blast furnace dust removal device according to claim 1, characterized in that: The water supply assembly comprises a water tank (25) fixed to one side of the dust removal box (1) and a water supply pump (27) installed inside the water tank (25); the water outlet of the water supply pump (27) is connected to a water supply pipe, and the water supply pipe is connected to the spray plate (26).

3. A blast furnace dust removal device according to claim 1, characterized in that: The collecting assembly comprises a dust removal frame (24) installed inside the dust removal box (1) and a recovery box (22) installed at the bottom of the dust removal box (1); the recovery box (22) corresponds to the dust removal frame (24); the bottom of the dust removal frame (24) is provided with collection holes corresponding to the plurality of spray pipes; the outer wall of the recovery box (22) is fixed with a plurality of evenly distributed sealing blocks; and bolts are screwed between the plurality of sealing blocks and the dust removal box (1).

4. A blast furnace dust removal device according to claim 3, characterized in that: The anti-bubble assembly comprises a rotating shaft (28) installed inside the dust removal box (1), the rotating shaft (28) extends to one side of the dust removal box (1) and is fixed with a rotating disk (23), a handle is installed on one side of the rotating disk (23), and a plurality of evenly distributed rotating plates are fixed to the outer wall of the rotating shaft (28), and the plurality of rotating plates correspond to the plurality of collecting holes.

5. A blast furnace dust removal device according to claim 1, characterized in that: A baffle is fixed inside the dust removal box (1), and the baffle corresponds to the exhaust fan (5).

6. A blast furnace dust removal device according to claim 1, characterized in that: A positioning mechanism (3) for positioning the cover plate (4) is provided between the dust removal box (1) and the cover plate (4), the positioning mechanism (3) comprising a slide plate (37) fixed to the bottom of the cover plate (4), a fixing plate (31) fixed to one side of the dust removal box (1), a positioning rod (32) plugged into the fixing plate (31) fixed to one side of the cover plate (4), and a plug-in assembly for plugging the slide plate (37) into the dust removal box (1) is provided between the slide plate (37) and the dust removal box (1).

7. A blast furnace dust removal device according to claim 6, characterized in that: The plug-in assembly comprises an extension seat (33) fixed on one side of the dust removal box (1); a movable plate (35) is installed inside the extension seat (33); two insertion rods (36) are fixed on one side of the movable plate (35); the two insertion rods (36) are plugged into a slide plate (37); a spring (34) is connected between the movable plate (35) and the extension seat (33); and two movable rods are fixed on one side of the movable plate (35) relative to the two insertion rods (36); the two movable rods extend to one side of the extension seat (33) and are fixed with a control rod together.

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