Blast furnace air supply device

Abstract

The utility model discloses a blast furnace air supply device which comprises a bottom plate, a fixing box is fixedly installed at the top end of the bottom plate, a driving motor is fixedly installed at the top end of the fixing box, an air blower body is fixedly installed on one side of the fixing box, and the driving motor is fixedly connected with the axis of a fan blade of the air blower body through a coupler. A plurality of through holes are formed in the two sides of the fixing box at equal intervals. According to the device, the screen plates are inserted into the inserting grooves in the two sides of the fixing box, the screen plates are cleaned through the cleaning rollers, dust on the surfaces of the screen plates can be effectively cleaned, a traditional metal net installed in a through hole is replaced, and the convenience of cleaning the interiors of the screen plates is improved; and the air inlet amount of the blast furnace can be realized through the air adjusting plate.

Description

Technical Field

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

[0002] During the operation of the current blast furnace, in order to increase the oxygen content inside the blast furnace, air needs to be supplied to the blast furnace. Traditionally, air supply to the blast furnace is mainly carried out through a blower.

[0003] After searching, according to the patent number "CN212669726U", a blast furnace fan air supply device is disclosed. The surface of the fan is provided with an air supply duct, and the air supply duct is divided into a thick tube and a thin tube. A sealing ring is welded at the connection between the thick tube and the thin tube. A three-section plate is clamped on the surface of the sealing ring, and a guide grille is set at the bottom of the three-section plate. The sealing ring is welded at different diameters of the air supply duct to enhance its firmness. At the same time, the three-section plate is clamped on the sealing ring, and the airflow is steadily guided to flow upward through the guide grille at the bottom of the three-section plate. At the same time, an air inlet and a noise reduction sponge are set in the middle of the three-section plate, which can reduce the problem of large airflow impact at the connection of the pipeline, which is easy to generate noise, and the problem that long-term impact on the connection may cause cracking and leakage.

[0004] The above-mentioned blast furnace air supply device reduces the noise problem caused by air flow impact, but during the use of the above-mentioned blast furnace air supply device, we found that the air supply volume of the air supply device cannot be adjusted. When the air supply volume is too large or too small, it affects the operation of the blast furnace. At the same time, during the air supply process, the dust in the air is not cleaned, and debris enters the blast furnace. Over time, it is easy to block the air supply duct and affect the air supply effect. Utility Model Content

[0005] The purpose of the utility model is to provide a blast furnace air supply device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a blast furnace air supply device, comprising a base plate, a fixed box is fixedly installed on the top of the base plate, a drive motor is fixedly installed on the top of the fixed box, a blower body is fixedly installed on one side of the fixed box, the drive motor is fixedly connected to the fan blade axis of the blower body through a coupling, a plurality of through holes are equidistantly provided on both sides of the fixed box, a rectangular hole connected to the interior of the blower body is provided on the end face of the fixed box, an air supply pipe is fixedly installed on one side of the top of the blower body, the air supply pipe is fixedly connected to the air inlet end of the blast furnace, and a wind adjustment plate is rotatably connected to the inside of the air supply pipe.

[0007] Preferably, slots are provided at both corners of one side of the equipment box, mesh panels are inserted and connected inside the two slots, fixing strips are fixedly installed on the end faces of the mesh panels, and a handle is fixedly installed on the front face of the fixing strips.

[0008] Preferably, mounting grooves are provided on both sides of the inner wall of the slot, and cleaning rollers are rotatably connected inside the two mounting grooves, and the cleaning rollers are in contact with the surface of the mesh plate.

[0009] Preferably, both ends of the mesh plate are rotatably connected with a rotating shaft, one end of the rotating shaft extends to the interior of the equipment box and is fixedly installed with a second bevel gear, a servo motor is fixedly installed at the bottom end of the equipment box, and the output shaft of the servo motor is fixedly installed with a first bevel gear, and the first bevel gear is meshingly connected with the second bevel gear.

[0010] Preferably, an electric push rod is fixedly mounted on one side of the inner wall of the equipment box, a wear-resistant block is fixedly mounted on the telescopic end of the electric push rod, and the wear-resistant block is aligned with the rotating shaft.

[0011] Preferably, a control panel is fixedly mounted on the side of the equipment box, and the drive motor and the servo motor are electrically connected to an external power supply through the control panel.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The mesh plates are inserted into the slots on both sides of the fixed box, and the mesh plates are cleaned by cleaning rollers, which can effectively clean the dust on the surface of the mesh plates, replacing the traditional metal mesh installed inside the through holes, and improving the convenience of cleaning inside the mesh plates.

[0014] 2. The air intake into the blast furnace can be controlled by rotating the air adjustment plate connected to the air supply pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a blast furnace air supply device of the utility model.

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of a fixed box of a blast furnace air supply device of the utility model.

[0017] Figure 3 The utility model is a schematic diagram of the cross-sectional structure of the air supply pipe of the blast furnace air supply device.

[0018] Figure 4 The utility model is a blast furnace air supply device Figure 3 A partial enlarged view of point A in the middle.

[0019] In the figure: 1, bottom plate; 2, fixing box; 3, fixing strip; 4, through hole; 5, mesh plate; 6, driving motor; 7, blower body; 8, air supply pipe; 9, equipment box; 10, wind adjustment plate; 11, slot; 12, rectangular hole; 13, cleaning roller; 14, servo motor; 15, first bevel gear; 16, second bevel gear; 17, wear-resistant block; 18, electric push rod. 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] The utility model provides Figure 1-4 The blast furnace air supply device shown includes a base plate 1, a fixed box 2 is fixedly installed on the top of the base plate 1, a drive motor 6 is fixedly installed on the top of the fixed box 2, a blower body 7 is fixedly installed on one side of the fixed box 2, the drive motor 6 is fixedly connected to the fan blade axis of the blower body 7 through a coupling, a plurality of through holes 4 are equidistantly provided on both sides of the fixed box 2, a rectangular hole 12 connected to the inside of the blower body 7 is provided on the end face of the fixed box 2, an air supply pipe 8 is fixedly installed on one side of the top of the blower body 7, the air supply pipe 8 is fixedly connected to the air inlet end of the blast furnace, and a wind adjustment plate 10 is rotatably connected to the inside of the air supply pipe 8.

[0022] Specifically, the mesh plate 5 is inserted into the slots 11 on both sides of the equipment box 9, and the mesh plate 5 is cleaned by the cleaning roller 13, which can effectively clean the dust on the surface of the mesh plate 5, replacing the traditional metal mesh installed inside the through hole 4, thereby improving the convenience of cleaning the inside of the mesh plate 5.

[0023] according to Figure 1 , Figure 2 and Figure 3 As shown, slots 11 are provided at both corners of one side of the fixing box 2, mesh panels 5 are inserted and connected inside the two slots 11, fixing strips 3 are fixedly installed on the end faces of the mesh panels 5, and a handle is fixedly installed on the front face of the fixing strips 3.

[0024] Specifically, the mesh plate 5 is interlaced with the slot 11, so that the mesh plate 5 can be easily disassembled and cleaned, replacing the traditional fixed cleaning.

[0025] Mounting grooves are provided on both sides of the inner wall of the slot 11 , and cleaning rollers 13 are rotatably connected inside the two mounting grooves. The cleaning rollers 13 are in contact with the surface of the screen plate 5 .

[0026] Specifically, the dust on the surface of the screen plate 5 can be cleaned by the cleaning roller 13 .

[0027] Both ends of the mesh plate 5 are rotatably connected with a rotating shaft, one end of the rotating shaft extends to the interior of the equipment box 9 and is fixedly installed with a second bevel gear 16, a servo motor 14 is fixedly installed at the bottom end of the equipment box 9, and a first bevel gear 15 is fixedly installed on the output shaft of the servo motor 14, and the first bevel gear 15 is meshingly connected with the second bevel gear 16.

[0028] An electric push rod 18 is fixedly mounted on one side of the inner wall of the equipment box 9, and a wear-resistant block 17 is fixedly mounted on the telescopic end of the electric push rod 18, and the wear-resistant block 17 is aligned with the rotation axis.

[0029] Specifically, the wear-resistant block 17 is pushed to move by the electric push rod 18, and the wear-resistant block 17 is in contact with the end surface of the rotating shaft, so that the rotating shaft is fixed, thereby fixing the wind adjustment plate 10.

[0030] A control panel is fixedly mounted on the side of the equipment box 9, and the drive motor 6 and the servo motor 14 are electrically connected to an external power supply through the control panel.

[0031] Working principle of the utility model: when using the blast furnace air supply device, first turn on the driving motor 6, and drive the blower body 7 to rotate through the driving motor 6, and supply air through the rotation of the blower body 7, and the wind enters the blast furnace through the air supply pipe 8. During the blast furnace air supply process, turn on the servo motor 14, and drive the first bevel gear 15 to rotate through the servo motor 14. The first bevel gear 15 is meshed with the second bevel gear 16, thereby driving the rotating shaft to rotate and driving the wind adjustment plate 10 to rotate, so as to facilitate the adjustment of the air intake amount. During the air supply process, the blower body 7 can clean the dust in the incoming air through the setting of the mesh plate 5 during the air intake process. The mesh plate 5 is assembled by plugging, which is convenient for disassembly and cleaning of the mesh plate 5, thereby improving the cleanliness of the surface of the mesh plate 5.

[0032] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A blast furnace air supply device, comprising a bottom plate (1), characterized in that: A fixed box (2) is fixedly mounted on the top of the base plate (1), a driving motor (6) is fixedly mounted on the top of the fixed box (2), a blower body (7) is fixedly mounted on one side of the fixed box (2), the driving motor (6) is fixedly connected to the fan blade axis of the blower body (7) through a coupling, a plurality of through holes (4) are equidistantly provided on both sides of the fixed box (2), a rectangular hole (12) connected to the inside of the blower body (7) is provided on the end surface of the fixed box (2), an air supply pipe (8) is fixedly mounted on one side of the top of the blower body (7), the air supply pipe (8) is fixedly connected to the air inlet end of the blast furnace, and a wind regulating plate (10) is rotatably connected to the inside of the air supply pipe (8).

2. The blast furnace air supply device according to claim 1, characterized in that: The fixing box (2) is provided with slots (11) at both corners on one side, mesh panels (5) are inserted and connected inside the two slots (11), a fixing strip (3) is fixedly installed on the end surface of the mesh panel (5), and a handle is fixedly installed on the front surface of the fixing strip (3).

3. The blast furnace air supply device according to claim 2, characterized in that: The inner wall of the slot (11) is provided with mounting grooves on both sides, and the insides of the two mounting grooves are rotatably connected with cleaning rollers (13), and the cleaning rollers (13) are in contact with the surface of the screen plate (5).

4. The blast furnace air supply device according to claim 3, characterized in that: Both ends of the mesh plate (5) are rotatably connected to a rotating shaft, one end of the rotating shaft extends to the interior of the equipment box (9) and is fixedly installed with a second bevel gear (16), a servo motor (14) is fixedly installed at the bottom end of the equipment box (9), and the output shaft of the servo motor (14) is fixedly installed with a first bevel gear (15), and the first bevel gear (15) is meshingly connected with the second bevel gear (16).

5. The blast furnace air supply device according to claim 4, characterized in that: An electric push rod (18) is fixedly mounted on one side of the inner wall of the equipment box (9), and a wear-resistant block (17) is fixedly mounted on the telescopic end of the electric push rod (18), and the wear-resistant block (17) is aligned with the rotation axis.

6. The blast furnace air supply device according to claim 5, characterized in that: A control panel is fixedly mounted on the side of the equipment box (9), and the drive motor (6) and the servo motor (14) are both electrically connected to an external power supply via the control panel.

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