Auxiliary dust removal equipment for converter of steel plant

Abstract

The utility model belongs to the technical field of dust removal, and discloses auxiliary dust removal equipment for a converter in a steel plant, which comprises a dust remover and a corrugated pipe, the corrugated pipe is mounted at the exhaust end of the dust remover, a dust removal mechanism for expanding the dust removal range of the dust remover is mounted on the upper surface of the dust remover, and six groups of protection mechanisms are arranged in the dust removal mechanism. Two sets of clamping grooves are formed in the top of the inner wall of the dust removal mechanism, limiting mechanisms for limiting the moving range of the corrugated pipe are installed in the two sets of clamping grooves of the dust removal mechanism, and the dust removal mechanism is started to push the air inlet end of the dust removal machine to move, so that the dust removal machine can conduct precise dust collection on the position of a feeding port of the converter in the subsequent starting process; therefore, dust generated in the production process of the converter is prevented from drifting in a plant as much as possible; exposed equipment of the dust removal mechanism is shielded and protected through the protection mechanism, so that the situation that molten steel splashed in the production process of the converter makes contact with external equipment of the dust removal mechanism, and consequently the dust removal mechanism is damaged is avoided as much as possible.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal, in particular to auxiliary dust removal equipment for converters in steel plants. Background Art

[0002] Most of the existing steel recycling is processed through the converter. The converter is a blast furnace equipment used for steelmaking. Its main function is to convert pig iron into molten steel through oxygen blowing. Its working principle is to put the steel raw materials into the converter, add a certain amount of iron slag and steel slag, and then use oxygen blowing to generate high-temperature airflow and mix the raw materials, so that they can be quickly oxidized, decarbonized and desulfurized, and finally produce molten steel.

[0003] For example, the utility model with announcement number CN213375535U discloses a dust removal equipment for steel mills, which belongs to the field of dust removal technology, including a shell and a sound insulation layer. The inner wall of the shell is tightly fitted with the sound insulation layer, a motor is fixedly arranged on one side of the interior of the shell, the left end of the motor is fixedly connected to a main shaft, one end of the main shaft is fixedly connected to a rotating rod, the right side of the rotating rod is fixedly connected to a brush, a dust collecting box is arranged at an opening below the brush, a filter screen is fixedly arranged on an upper end of one side of the dust collecting box, and an activated carbon filter layer is fixedly connected to the middle part of the interior of the shell. In the utility model, the brush in the dust removal equipment is driven to rotate by the main shaft. At this time, the brush will sweep the dust on the filter screen off and let the dust fall into the dust collecting box. There is no need to manually clean the dust on the filter screen, which solves the problem that the filter screen of the existing dust removal equipment in steel mills is easily blocked by dust after being used for a period of time.

[0004] In the process of implementing this application, it was found that the technology has the following problems: the internal air inlet of the existing dust removal equipment used in steel mills is mostly located at the top of the steel mill to absorb floating dust, but the feed port of most converters needs to swing back and forth during the production of molten steel, making it impossible for the internal air inlet of the dust removal equipment to be synchronously adjusted according to the position of the feed port during converter production, resulting in the dust generated during the converter production process overflowing, thereby reducing the practicability of the equipment.

[0005] Therefore, a steel mill converter auxiliary dust removal device is proposed. Utility Model Content

[0006] The purpose of the utility model is to solve the problem that the feed port of most converters needs to swing back and forth during the production of molten steel, which makes it impossible for the internal air inlet of the dust removal equipment to be synchronously adjusted according to the position of the feed port during the converter production, thereby causing the dust generated in the converter production process to overflow. The utility model provides an auxiliary dust removal device for the converter of a steel plant.

[0007] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0008] A steel mill converter auxiliary dust removal device comprises a dust collector and a bellows, wherein the bellows is installed at the exhaust end of the dust collector, a dust removal mechanism for expanding the dust removal range of the dust collector is installed on the upper surface of the dust collector, six groups of protection mechanisms are arranged inside the dust removal mechanism, two groups of slots are opened on the top of the inner wall of the dust removal mechanism, and limiting mechanisms for limiting the movement range of the bellows are installed inside the two groups of slots of the dust removal mechanism.

[0009] Furthermore, the dust removal mechanism includes a U-shaped top plate and two groups of air inlet pipes, the lower surface of the dust collector is provided with two groups of air inlet holes, the exhaust ends of the two groups of air inlet pipes are respectively installed inside the two groups of air inlet holes of the dust collector, the positions of the two groups of air inlet pipes are symmetrically distributed at the left and right ends of the converter, three groups of air inlet holes are opened on the adjacent sides of the two groups of air inlet pipes, and suction pipes are installed inside the three groups of air inlet holes of the two groups of air inlet pipes, and the outer surfaces of the six groups of suction pipes are provided with solenoid valves, and the positions of the six groups of suction pipes are The U-shaped top plate is provided with a fixing plate 1 at the bottom of the inner wall of the converter, and an electric telescopic rod is installed on the front of the fixing plate 1. A groove is provided at the bottom of the inner wall of the U-shaped top plate, and a connecting plate 1 is slidably connected inside the groove of the U-shaped top plate. The output end of the electric telescopic rod is installed on the back of the connecting plate 1, and the lower surface of the connecting plate 1 is installed on the upper surface of the dust collector.

[0010] Furthermore, the two groups of limiting mechanisms include sliders, the lower surface of the U-shaped top plate is provided with two groups of grooves, the two groups of sliders are respectively slidably connected inside the two groups of grooves of the U-shaped top plate, the lower surfaces of the two groups of sliders are each installed with a connecting plate 2, the lower surfaces of the two groups of connecting plates 2 are each installed with a U-shaped support plate, and the front and rear inner walls of the two groups of U-shaped support plates are respectively abutted against the front and rear outer surfaces of the corrugated tube.

[0011] Furthermore, the six groups of protection mechanisms all include a fixing plate 2, which are symmetrically installed on one side adjacent to the two groups of intake pipes, and are located directly above the upper end of the adjacent group of intake pipes. The lower surfaces of the six groups of fixing plates 2 are all provided with grooves, and the grooves of the six groups of fixing plates 2 are all slidably connected with U-shaped baffles, and the lower surfaces of the six groups of U-shaped baffles are respectively abutted against the upper surfaces of the adjacent group of intake pipes, and the six groups of solenoid valves are all located inside the six groups of U-shaped baffles.

[0012] Furthermore, the six groups of fixed plates 2 are each provided with a through hole on one side close to the converter, and the six groups of fixed plates 2 are each rotatably connected inside the through holes with a rotating rod, and the six groups of rotating rods are each abutted against the side of an adjacent group of U-shaped shielding plates close to the converter on one side away from the converter.

[0013] Furthermore, the front sides of the six groups of U-shaped shielding plates are all provided with slots, and cooling fins are installed inside the slots of the six groups of U-shaped shielding plates.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The utility model starts the electric telescopic rod to push the connecting plate to drive the dust collector to move, and moves the dust collector to the upper end of the converter feed port, so that the positions of the two groups of air intake pipes can be moved synchronously according to the converter feed port, and then by starting the six groups of solenoid valves, the two groups of air suction pipes close to the converter feed port are opened, so that the dust collector can accurately vacuum the position of the converter feed port during the subsequent startup process, thereby avoiding the dust generated by the converter during the production process from floating inside the factory building as much as possible, thereby improving the practicability of the device and improving the safety of the converter during use.

[0016] 2. The utility model pushes six groups of U-shaped baffle plates, slides the six groups of U-shaped baffle plates into the grooves of six groups of fixed plates two, and then positions six groups of solenoid valves at the lower ends of the six groups of fixed plates two, so that the six groups of U-shaped baffle plates shield and protect the solenoid valves on the outer surfaces of the six suction pipes, thereby minimizing the contact between the molten steel splashed during the converter production process and the solenoid valves, thereby improving the service life of the six groups of solenoid valves. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the top surface structure of the utility model;

[0019] Figure 3 It is a side structural diagram of the protective mechanism of the utility model;

[0020] Figure 4 This utility model Figure 1 Enlarged view of point A in the middle.

[0021] Figure numerals: 1. dust collector; 2. dust removal mechanism; 201. U-shaped top plate; 202. fixed plate one; 203. connecting plate one; 204. air inlet pipe; 205. air intake pipe; 206. electric telescopic rod; 207. solenoid valve; 3. bellows; 4. limit mechanism; 401. U-shaped support plate; 402. connecting plate two; 403. slider; 5. protection mechanism; 501. fixed plate two; 502. U-shaped shielding plate; 503. rotating rod; 6. cooling fin. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0025] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] like Figures 1 to 4As shown, a steel mill converter auxiliary dust removal equipment comprises a dust collector 1 and a bellows 3, the bellows 3 is installed at the exhaust end of the dust collector 1, a dust removal mechanism 2 for expanding the dust removal range of the dust collector 1 is installed on the upper surface of the dust collector 1, six groups of protection mechanisms 5 are arranged inside the dust removal mechanism 2, two groups of card slots are opened on the top of the inner wall of the dust removal mechanism 2, and a limit mechanism 4 for limiting the movement range of the bellows 3 is installed inside the two groups of card slots of the dust removal mechanism 2; specifically, the dust removal mechanism 2 is started to push the air inlet end of the dust collector 1 to move, so that the dust collector 1 can move to the converter feed port during the subsequent startup process. The dust can be precisely sucked at the position, so as to avoid the dust generated by the converter in the production process from floating inside the factory building as much as possible, thereby improving the practicability of the device and improving the safety of the converter during use; the equipment exposed to the outside of the dust removal mechanism 2 is shielded and protected by the protective mechanism 5, so as to avoid the contact between the molten steel splashed during the production of the converter and the external equipment of the dust removal mechanism 2 and cause damage to the dust removal mechanism 2; the moving position of the bellows 3 is restricted by the limiting mechanism 4, so as to avoid the two groups of bellows 3 from falling after stretching and affecting the normal movement of the dust collector 1.

[0027] like Figure 1 and Figure 2As shown, the dust removal mechanism 2 includes a U-shaped top plate 201 and two groups of air inlet pipes 204. Two groups of air inlet holes are opened on the lower surface of the dust collector 1. The exhaust ends of the two groups of air inlet pipes 204 are respectively installed inside the two groups of air inlet holes of the dust collector 1. The positions of the two groups of air inlet pipes 204 are symmetrically distributed at the left and right ends of the converter. Three groups of air inlet holes are opened on the adjacent sides of the two groups of air inlet pipes 204. The three groups of air inlet holes of the two groups of air inlet pipes 204 are each installed with an air suction pipe 2 05, the outer surfaces of the six groups of suction pipes 205 are all provided with electromagnetic valves 207, and the positions of the six groups of suction pipes 205 are respectively distributed in the three groups of air inlet holes of the two groups of air inlet pipes 204 in the upper, middle and lower directions. The upper surface of the U-shaped top plate 201 is installed on the top surface of the top wall of the converter, and a fixing plate 202 is installed on the bottom of the inner wall of the U-shaped top plate 201. The front of the fixing plate 202 is installed with an electric telescopic rod 206. The bottom of the inner wall of the U-shaped top plate 201 is provided with a The groove of the U-shaped top plate 201 is slidably connected with a connecting plate 203, the output end of the electric telescopic rod 206 is installed on the back of the connecting plate 203, and the lower surface of the connecting plate 203 is installed on the upper surface of the dust collector 1; specifically, when the converter is in production, the electric telescopic rod 206 is started to push the connecting plate 203 to drive the dust collector 1 to move, and the dust collector 1 is moved to the upper end of the converter feed port, so that the positions of the two groups of air intake pipes 204 can be moved synchronously according to the converter feed port, and then the six groups of solenoid valves 207 are started to open the two groups of air intake pipes 205 close to the converter feed port, so that the dust collector 1 can accurately suck the position of the converter feed port during the subsequent startup process, thereby avoiding the dust generated by the converter during the production process from floating inside the factory building, thereby improving the practicability of the device and improving the safety of the converter during use.

[0028] like Figure 1 and Figure 2 As shown, the two groups of limiting mechanisms 4 both include sliders 403, and two groups of card grooves are opened on the lower surface of the U-shaped top plate 201. The two groups of sliders 403 are respectively slidably connected inside the two groups of card grooves of the U-shaped top plate 201, and the lower surfaces of the two groups of sliders 403 are installed with connecting plates 402, and the lower surfaces of the two groups of connecting plates 402 are installed with U-shaped support plates 401. The front and rear inner walls of the two groups of U-shaped support plates 401 are respectively abutted against the front and rear outer surfaces of the bellows 3; specifically, when the electric telescopic rod 206 pushes the dust collector 1 to move and stretch the bellows 3, the two groups of U-shaped support plates 401 are clamped on the outer surface of the bellows 3, so that the two groups of U-shaped support plates 401 support the bellows 3, thereby minimizing the falling of the two groups of bellows 3 after stretching and affecting the normal movement of the dust collector 1.

[0029] At the same time, two groups of sliders 403 are respectively slidably connected to the inside of the slots of the two groups of U-shaped top plates 201, so that the bellows 3 synchronously pulls the two groups of U-shaped support plates 401 to move as the dust collector 1 moves, thereby minimizing the bending of the bellows 3 at the connection between the two groups of U-shaped support plates 401 and affecting the exhaust efficiency of the dust collector 1.

[0030] like Figure 3 and Figure 4 As shown, the six groups of protection mechanisms 5 all include a second fixing plate 501, and the six groups of fixing plates 501 are symmetrically installed on the adjacent side of the two groups of intake pipes 204. The positions of the six groups of fixing plates 501 are all located at the upper end of the adjacent group of suction pipes 205. The lower surfaces of the six groups of fixing plates 501 are all provided with grooves, and the grooves of the six groups of fixing plates 501 are all slidably connected with U-shaped shielding plates 502. The lower surfaces of the six groups of U-shaped shielding plates 502 are respectively abutted against the upper surfaces of the adjacent group of suction pipes 205. The positions of the six groups of solenoid valves 207 are all located at the six groups of U-shaped shielding plates 50 2; specifically, before the device is used, by pushing the six groups of U-shaped baffle plates 502, the six groups of U-shaped baffle plates 502 are respectively slidably connected to the inside of the grooves of the six groups of fixed plates 501, and then the positions of the six groups of solenoid valves 207 are respectively located at the lower ends of the six groups of fixed plates 501, so that the six groups of U-shaped baffle plates 502 shield and protect the solenoid valves 207 on the outer surfaces of the six groups of suction pipes 205, thereby avoiding the contact between the molten steel splashed during the converter production process and the solenoid valves 207, thereby improving the service life of the six groups of solenoid valves 207.

[0031] like Figure 1 and Figure 4 As shown, through holes are opened on the sides of the six groups of fixed plates 501 close to the converter, and rotating rods 503 are rotatably connected inside the through holes of the six groups of fixed plates 501, and the sides of the six groups of rotating rods 503 away from the converter are respectively abutted against the sides of an adjacent group of U-shaped baffle plates 502 close to the converter; specifically, when the six groups of U-shaped baffle plates 502 are respectively installed in the grooves of the six groups of fixed plates 501, the rotating rods 503 are rotated to abut the sides of the adjacent group of U-shaped baffle plates 502 close to the converter, so that the rotating rods 503 limit the moving position of the U-shaped baffle plate 502 in the groove of the fixed plate 501, thereby avoiding as much as possible the movement of the U-shaped baffle plate 502 in the groove of the fixed plate 501 during use, which reduces the effect of the U-shaped baffle plate 502 in shielding and protecting the solenoid valve 207, thereby improving the stability of the U-shaped baffle plate 502 during use.

[0032] like Figure 3 and Figure 4As shown, the front sides of the six groups of U-shaped shielding plates 502 are all provided with card slots, and cooling plates 6 are installed inside the card slots of the six groups of U-shaped shielding plates 502; specifically, when the U-shaped shielding plates 502 shield and protect the solenoid valve 207, the heat generated in the internal space of the U-shaped shielding plates 502 is absorbed by the cooling plates 6, so that the internal temperature of the U-shaped shielding plates 502 is reduced, thereby minimizing the possibility that the solenoid valve 207 cannot dissipate heat inside the U-shaped shielding plates 502 when the U-shaped shielding plates 502 shield and protect the solenoid valve 207, thereby causing the solenoid valve 207 to be damaged during high-intensity production.

[0033] In summary: when the converter is in production, the electric telescopic rod 206 is started to push the connecting plate 203 to drive the dust collector 1 to move, and the dust collector 1 is moved to the upper end of the converter feed port, so that the positions of the two groups of air intake pipes 204 can be moved synchronously according to the converter feed port, and then the six groups of solenoid valves 207 are started to open the two groups of air suction pipes 205 close to the converter feed port, so that the dust collector 1 can accurately vacuum the position of the converter feed port during the subsequent startup process, thereby avoiding the dust generated by the converter during the production process from floating inside the factory building, thereby improving the practicality of the device. The device improves the safety of the converter during use; before use, the six groups of U-shaped baffles 502 are pushed to slide and connect the six groups of U-shaped baffles 502 to the grooves of the six groups of fixed plates 501, and then the six groups of solenoid valves 207 are located at the lower ends of the six groups of fixed plates 501, so that the six groups of U-shaped baffles 502 can shield and protect the solenoid valves 207 on the outer surfaces of the six groups of suction pipes 205, thereby avoiding the contact between the molten steel splashed during the production process of the converter and the solenoid valves 207 as much as possible, thereby improving the service life of the six groups of solenoid valves 207.

[0034] 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 steel mill converter auxiliary dust removal device, comprising a dust collector (1) and a bellows (3), characterized in that: The bellows (3) is installed at the exhaust end of the dust collector (1); a dust removal mechanism (2) for expanding the dust removal range of the dust collector (1) is installed on the upper surface of the dust collector (1); six groups of protective mechanisms (5) are arranged inside the dust removal mechanism (2); two groups of slots are opened on the top of the inner wall of the dust removal mechanism (2); and limiting mechanisms (4) for limiting the movement range of the bellows (3) are installed inside the two groups of slots of the dust removal mechanism (2).

2. The auxiliary dust removal equipment for converter in steelmaking plant according to claim 1, characterized in that: The dust removal mechanism (2) comprises a U-shaped top plate (201) and two groups of air inlet pipes (204); two groups of air inlet holes are provided on the lower surface of the dust collector (1); exhaust ends of the two groups of air inlet pipes (204) are respectively installed inside the two groups of air inlet holes of the dust collector (1); the positions of the two groups of air inlet pipes (204) are symmetrically distributed at the left and right ends of the converter; three groups of air inlet holes are provided on adjacent sides of the two groups of air inlet pipes (204); air suction pipes (205) are installed inside the three groups of air inlet holes of the two groups of air inlet pipes (204); solenoid valves (207) are provided on the outer surfaces of the six groups of air suction pipes (205); and the positions of the six groups of air suction pipes (205) are respectively arranged on the upper and lower sides. The three groups of air inlet holes are distributed in the middle and lower parts of the two groups of air inlet pipes (204); the upper surface of the U-shaped top plate (201) is mounted on the top surface of the top wall of the converter; a fixing plate 1 (202) is mounted on the bottom of the inner wall of the U-shaped top plate (201); an electric telescopic rod (206) is mounted on the front of the fixing plate 1 (202); a groove is provided on the bottom of the inner wall of the U-shaped top plate (201); a connecting plate 1 (203) is slidably connected inside the groove of the U-shaped top plate (201); an output end of the electric telescopic rod (206) is mounted on the back of the connecting plate 1 (203); and the lower surface of the connecting plate 1 (203) is mounted on the upper surface of the dust collector (1).

3. The auxiliary dust removal equipment for converter in steelmaking plant according to claim 2, characterized in that: The two groups of the limiting mechanisms (4) both comprise a slider (403), the lower surface of the U-shaped top plate (201) is provided with two groups of slots, the two groups of the sliders (403) are respectively slidably connected to the inside of the two groups of slots of the U-shaped top plate (201), the lower surfaces of the two groups of the sliders (403) are both provided with a connecting plate 2 (402), the lower surfaces of the two groups of the connecting plate 2 (402) are both provided with a U-shaped support plate (401), and the front and rear inner walls of the two groups of the U-shaped support plates (401) are respectively in contact with the front and rear outer surfaces of the corrugated tube (3).

4. The auxiliary dust removal equipment for converter in steelmaking plant according to claim 2, characterized in that: The six groups of protection mechanisms (5) all include a second fixing plate (501), which are symmetrically installed on one side adjacent to the two groups of intake pipes (204), and the positions of the second fixing plates (501) of the six groups are all located directly above the upper end of the adjacent group of intake pipes (205). The lower surfaces of the six groups of fixing plates (501) are all provided with grooves, and the grooves of the six groups of fixing plates (501) are all slidably connected with U-shaped shielding plates (502), and the lower surfaces of the six groups of U-shaped shielding plates (502) are respectively abutted against the upper surfaces of the adjacent group of intake pipes (205), and the positions of the six groups of solenoid valves (207) are all located inside the six groups of U-shaped shielding plates (502).

5. The auxiliary dust removal equipment for converter in steelmaking plant according to claim 4, characterized in that: The six groups of fixed plates (501) are each provided with a through hole on one side close to the converter, and the through holes of the six groups of fixed plates (501) are each rotatably connected with a rotating rod (503) inside, and the side of the six groups of rotating rods (503) away from the converter respectively abuts against the side of an adjacent group of U-shaped shielding plates (502) close to the converter.

6. The auxiliary dust removal equipment for converter in steelmaking plant according to claim 4, characterized in that: The front sides of the six groups of U-shaped shielding plates (502) are all provided with slots, and cooling fins (6) are installed inside the slots of the six groups of U-shaped shielding plates (502).

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