Converter slag raised dust filtering device
By designing a converter slag dust filter device including a mobile base, an outer box, a dust drawer, a filter mesh, a vacuum cover and annular cooling tube, the problem of dust flying during the converter slag cleaning process is solved, and the dust is effectively filtered and collected, improving the safety of staff.
Patent Information
- Application Number
- CN202421362146.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-14
AI Technical Summary
During the cleaning of converter slag, it is easy to cause the problem of flying slag, which affects the health of the staff.
A converter slag dust filter device is designed, including a mobile base, an outer box, a dust drawer, a filter mesh, a vacuum cover, a screw, a clamp and annular cooling tube. The raised dust is sucked in through the vacuum drawer, and filtered and collected through the dust drawer and filtered.
It effectively reduces the damage caused by slag dust to the staff. Through the filtration and collection device, the safety of the working environment is ensured, and the cooling is reduced through the annular cooling pipe, further improving the work safety.
Smart Images
Figure CN222540799U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of converters, in particular to a converter slag dust filtering device. Background Art
[0002] A converter is a type of steelmaking furnace; it generally refers to a tiltable cylindrical oxygen-blowing steelmaking container; the furnace body is cylindrical, mounted on a horizontal axis frame, and can rotate; it is also used for steelmaking.
[0003] In order to ensure the normal use of the converter, the slag inside the converter needs to be cleaned in time. During the process of cleaning the slag, slag dust will be raised, which can be easily inhaled by the staff and affect their health. Improvements are needed. Utility Model Content
[0004] The utility model aims to provide a converter slag dust filtering device to solve the problem of slag dust flying easily during the converter slag cleaning process proposed in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a converter slag dust filtering device, comprising a movable base, an outer box is arranged on the movable base, a dust suction fan and a filter are arranged inside the outer box, a connecting pipe is connected to one side of the outer box, a dust hood is arranged at one end of the connecting pipe, a fixed frame is rotatably connected to the top of the dust hood, screws are rotatably connected on both sides of the fixed frame, a clamping block is fixedly connected to one end of the screw, a collecting box is slidably connected to the inside of the outer box, and a dust collecting plate and an electrode plate are arranged inside the collecting box.
[0006] Preferably, an annular cooling pipe is fixedly connected to the inside of the outer box, an annular cooling pipe is provided with an annular cavity, one side of the cavity is respectively connected to a water inlet pipe and a drain pipe, and water pumps are provided on the water inlet pipe and the drain pipe.
[0007] Preferably, an opening is provided at the bottom of the collection box, a sealing plate is hinged on one side of the opening, one end of the sealing plate is connected to a support spring, and one end of the support spring is fixedly connected to the inner wall of the collection box.
[0008] Preferably, an opening is provided at the top of the collecting box, and the dust collecting plate is located on the top of the electrode plate.
[0009] Preferably, the annular cooling pipe is located at the bottom of the collecting box, the upper opening of the annular cooling pipe corresponds to the position of the bottom opening of the collecting box, and the lower opening of the annular cooling pipe is connected to the connecting pipe.
[0010] Preferably, a dust-inducing fan is provided on the top of the collecting box, and filter screens are provided at both ends of the dust-inducing fan.
[0011] Preferably, the fixing frame is a right-angle "U"-shaped structure, and the fixing frame is connected to the top of the dust hood via a rotating shaft.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] (1) The device can collect and filter the slag dust raised in time during the slag cleaning process, thereby reducing the harm of the slag dust to the workers.
[0014] (2) The device is provided with a movable outer box, a dust exhaust fan, a filter, a dust collecting plate, and an electrode plate are arranged inside the outer box, a dust hood is arranged on one side of the outer box, and a clamping block, a screw and a fixing frame are arranged on the top of the dust hood, so that the dust hood can be clamped and fixed at the converter furnace mouth by the clamping block, thereby the raised slag dust can be collected and filtered in time, reducing the harm of the slag dust to the workers.
[0015] (3) The device provides an annular cooling pipe inside the outer box. The cold water inside the annular cooling pipe can cool the warm air entering the outer box, thereby ensuring the safety of the workers during the slag cleaning process. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of a converter slag dust filtering device of the utility model;
[0017] Figure 2 The utility model is a converter slag dust filtering device Figure 1 Enlarged view of point A in the middle;
[0018] Figure 3 It is a cross-sectional view of a converter slag dust filtering device according to the utility model.
[0019] In the figure: 1. outer box; 2. collecting box; 3. water inlet pipe; 4. water pump; 5. drain pipe; 6. dust hood; 7. connecting pipe; 8. movable base; 9. clamping block; 10. screw; 11. fixing frame; 12. dust suction fan; 13. filter screen; 14. dust collecting plate; 15. electrode plate; 16. annular cooling pipe; 17. support spring; 18. sealing plate. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-3 The utility model provides a technical solution: a converter slag dust filtering device, comprising a mobile base 8, an outer box 1 is arranged on the mobile base 8, an annular cooling pipe 16 is fixedly connected inside the outer box 1, an annular cavity is opened on the annular cooling pipe 16, one side of the cavity is respectively connected to a water inlet pipe 3 and a drain pipe 5, and a water pump 4 is arranged on the water inlet pipe 3 and the drain pipe 5; this structure can timely add cold water to the inside of the annular cooling pipe 16 by arranging the water inlet pipe 3 and the drain pipe 5, and discharge the warm water inside the annular cooling pipe 16; during use of the device, the other ends of the water inlet pipe 3 and the drain pipe 5 are respectively connected to the cold and hot water tanks; the annular cooling pipe 16 is located at the bottom of the collecting box 2, and the upper end opening of the annular cooling pipe 16 is connected to the bottom opening of the collecting box 2 Corresponding to the position, the lower end opening of the annular cooling pipe 16 is connected to the connecting pipe 7; by setting the annular cooling pipe 16, this structure can achieve the purpose of cooling the air by passing the air and dust into the outer box 1 through the annular cooling pipe 16 and the cold water inside the annular cooling pipe 16; a dust exhaust fan 12 and a filter screen 13 are arranged inside the outer box 1, and a connecting pipe 7 is connected to one side of the outer box 1, and a dust hood 6 is arranged at one end of the connecting pipe 7. The top of the dust hood 6 is rotatably connected to a fixing frame 11, and the fixing frame 11 is a right-angle "U"-shaped structure, and the fixing frame 11 is connected to the top of the dust hood 6 through a rotating shaft; this structure can suck dust into the inner part of the outer box 1 through the dust hood 6; both sides of the fixing frame 11 are rotatably connected to A screw 10 is fixedly connected to a clamping block 9 at one end of the screw 10, and a collecting box 2 is slidably connected to the inside of the outer box 1. An opening is provided at the bottom of the collecting box 2, and a sealing plate 18 is hinged on one side of the opening. A supporting spring 17 is connected to one end of the sealing plate 18, and one end of the supporting spring 17 is fixedly connected to the inner wall of the collecting box 2; this structure can support the sealing plate 18 to always seal the bottom opening of the collecting box 2 through the supporting spring 17, so as to prevent dust leakage from the collecting box 2; at the same time, when the dust exhausting fan 12 is turned on, the sealing plate 18 can be driven to automatically rotate and open under the action of negative pressure adsorption, so that dust can enter the collecting box 2 for processing; an opening is provided at the top of the collecting box 2, and the dust collecting plate 14 is located on the top of the electrode plate 15; this structure is provided by setting The dust collecting plate 14 and the electrode plate 15 can utilize the principle of electrostatic dust removal, so that the dust is charged with static electricity when passing through the electrode plate 15, and then passes through the dust collecting plate 14 to adsorb and collect the charged dust, thereby achieving the effect of filtering dust in the air; a dust collecting fan 12 is arranged on the top of the collecting box 2, and filter screens 13 are arranged at both ends of the dust collecting fan 12; this structure can accelerate the discharge of dust inside the converter by arranging the dust collecting fan 12, and at the same time, the dust collecting fan 12 can be used to accelerate the discharge of air inside the converter before the slag cleaning work is carried out in the converter, so as to achieve the purpose of rapid cooling and heat dissipation, and improve the safety of subsequent slag cleaning; a dust collecting plate 14 and an electrode plate 15 are arranged inside the collecting box 2; the collecting box 2 of this device can be drawn out from the inside of the outer box 1 for cleaning.
[0022] Working principle: When using the converter slag dust filtering device, first place the dust hood 6 at the converter furnace mouth, then place the fixing frame 11 on the inside of the furnace mouth, and by rotating the screw 10, the clamp 9 can be pushed to clamp on the surface of the furnace mouth. At this time, the dust hood 6 can be fixed. After the dust hood 6 is fixed, if the temperature inside the converter has not completely dropped, the dust exhaust fan 12 can be started to accelerate the discharge of hot air inside the converter. After the hot air is discharged, it passes through the annular cooling pipe 16 inside the outer box 1 for heat exchange and cooling and then is discharged. After the inside of the converter is completely cooled, the staff can start the slag cleaning work. During the cleaning process, the slag is lifted up and sucked into the outer box 1 through the dust hood 6 and the connecting pipe 7. When the slag dust enters the outer box 1, it enters the collecting box 2, and then passes through the electrode plate 15 with static electricity and is adsorbed and collected by the dust collecting plate 14. Finally, the air is discharged from the top of the outer box 1.
[0023] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A converter slag dust filtering device, comprising a movable base (8), characterized in that: The movable base (8) is provided with an outer box (1), a dust exhaust fan (12) and a filter (13) are provided inside the outer box (1), one side of the outer box (1) is connected to a connecting pipe (7), one end of the connecting pipe (7) is provided with a dust hood (6), the top of the dust hood (6) is rotatably connected to a fixed frame (11), both sides of the fixed frame (11) are rotatably connected to screws (10), one end of the screws (10) is fixedly connected to a clamping block (9), the inner part of the outer box (1) is slidably connected to a collecting box (2), and the inner part of the collecting box (2) is provided with a dust collecting plate (14) and an electrode plate (15).
2. A converter slag dust filtering device according to claim 1, characterized in that: An annular cooling pipe (16) is fixedly connected to the interior of the outer box (1), an annular cooling pipe (16) is provided with an annular cavity, one side of the cavity is respectively connected to a water inlet pipe (3) and a drain pipe (5), and a water pump (4) is provided on both the water inlet pipe (3) and the drain pipe (5).
3. The converter slag dust filtering device according to claim 1, characterized in that: The bottom of the collection box (2) is provided with an opening, one side of the opening is hinged with a sealing plate (18), one end of the sealing plate (18) is connected to a support spring (17), and one end of the support spring (17) is fixedly connected to the inner wall of the collection box (2).
4. The converter slag dust filtering device according to claim 1, characterized in that: The top of the collecting box (2) is provided with an opening, and the dust collecting plate (14) is located on the top of the electrode plate (15).
5. The converter slag dust filtering device according to claim 2, characterized in that: The annular cooling pipe (16) is located at the bottom of the collecting box (2), the upper opening of the annular cooling pipe (16) corresponds to the position of the bottom opening of the collecting box (2), and the lower opening of the annular cooling pipe (16) is connected to the connecting pipe (7).
6. The converter slag dust filtering device according to claim 1, characterized in that: A dust-inducing fan (12) is arranged on the top of the collection box (2), and filter screens (13) are arranged at both ends of the dust-inducing fan (12).
7. The converter slag dust filtering device according to claim 1, characterized in that: The fixing frame (11) is a right-angle "U"-shaped structure, and the fixing frame (11) is connected to the top of the dust hood (6) via a rotating shaft.