Mixing bin for preparing continuous casting covering slag
By designing a mixing silo with driven gear and driving gear matching, and using ring guide rails and steel balls to reduce the load on the rotating shaft, the problem of the V-shaped mixing silo affecting the mixing efficiency due to long-term use of bending deformation is solved, and more efficient mixing and longer equipment service life is achieved.
Patent Information
- Application Number
- CN202421797738.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-29
AI Technical Summary
During the preparation of continuous casting protective slag in the V-shaped mixing silo, the mixing bearing is subjected to the main load, and long-term use is likely to affect the mixing efficiency and machine service life due to bending deformation.
A mixing silo including a bracket and a mixing silo body is designed. The mixing silo is driven to flip through the matching of driven gears and the driving gears, and the load of the rotating shaft is reduced through the matching of the ring guide rails and steel balls. At the same time, a combination of an exhaust fan and a dehumidifier box is used to ensure that the interior of the mixing silo is dry.
By reducing the load during the flip of the mixing silo, the mixing efficiency and equipment service life are improved, and the normal operation of the mixing silo is ensured by maintaining dry conditions.
Smart Images
Figure CN222816683U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel production, in particular to a mixing bin for preparing continuous casting protection slag. Background Art
[0002] Continuous casting protection slag, also known as continuous casting mold protection slag, is an important material used in the continuous casting process during steel production. Continuous casting is the process of directly casting liquid steel into billets or ingots of the desired shape, and the protection slag plays a key role in this process. The composition of continuous casting protection slag usually includes alkaline oxides, acidic oxides, carbides, fluorides, etc. Continuous casting protection slag needs to be prepared using a mixing bin, usually a V-shaped mixing bin is used for mixing to reduce the stratification of materials and improve mixing efficiency and uniformity. However, the mixing shaft of the V-shaped mixing bin bears the main load during use, and long-term use is prone to bending and deformation, which affects the mixing efficiency of the V-shaped mixing bin and the service life of the machine. Utility Model Content
[0003] In view of the above problems, the purpose of the utility model is to provide a mixing bin for preparing continuous casting protective slag, to solve the problem of mixing using a V-shaped mixing bin, to reduce the stratification of materials, to improve mixing efficiency and uniformity. However, the mixing shaft of the V-shaped mixing bin bears the main load during use, and long-term use is prone to bending and deformation, which affects the mixing efficiency of the V-shaped mixing bin and the service life of the machine.
[0004] To achieve the above objectives, the utility model adopts the following technical solution: a mixing bin for preparing continuous casting protective slag, comprising a bracket and a mixing bin body, a rotating shaft is installed at the top of the bracket, the mixing bin body is installed at the end of the driven gear two, and a feeding port is installed at the top of the mixing bin body, a discharging port is installed at the bottom of the mixing bin body, and an auxiliary rod is welded to the outside of the mixing bin body, a circular guide rail is provided at the position of the bracket near the auxiliary rod, and steel balls are installed inside the circular guide rail, an air collecting hood is installed at the top of the mixing bin body, and an air supply pipeline is connected to the air collecting hood, and a dehumidification box is connected to the end of the air supply pipeline away from the air collecting hood, and an adsorption plate and an exhaust fan are installed inside the dehumidification box.
[0005] The beneficial effect of the utility model is that the exhaust fan draws the gas in the mixing bin body to the inside of the dehumidification box through the air supply pipe and the air collecting hood, and the gas flows back into the inside of the mixing bin body after being dehumidified by the adsorption plate. This method is used to ensure the dryness of the inside of the mixing bin.
[0006] During the flipping process of the mixing bin body, the auxiliary rod rotates along the circular guide rail and the steel ball to support and guide the flipping of the mixing bin body, assist the rotation of the rotating shaft, thereby reducing the load when the rotating shaft rotates, and increasing the mixing efficiency and service life of the device.
[0007] To facilitate mixing of the device:
[0008] As a further improvement of the above technical solution: a driving motor is installed at the bottom of the bracket, and the output end of the driving motor is connected to a transmission shaft through a synchronous belt, a driving gear 1 and a driving gear 2 are installed on the transmission shaft, the top of the driving gear 1 is meshed and connected with a driven gear 1, and a stirring rod is installed at the axis of the driven gear 1, and the top of the driving gear 2 is meshed and connected with a driven gear 2, and a rotating shaft is installed at the axis of the driven gear 2.
[0009] The beneficial effects of this improvement are: the driving motor drives the transmission shaft to rotate through the synchronous belt, and the transmission shaft drives the driving gear 1 and the driving gear 2 to rotate, the driving gear 1 drives the driven gear 1 and the stirring rod to rotate to stir the raw materials, and the driving gear 2 drives the rotating shaft to rotate through the driven gear 2, thereby driving the mixing bin body to flip. In this way, the continuous casting protection slag can be comprehensively and reliably mixed.
[0010] In order to facilitate the flipping of the mixing bin:
[0011] As a further improvement of the above technical solution: the steel balls are circumferentially distributed on the inner side of the circular guide rail.
[0012] The beneficial effect of this improvement is that the friction force when the auxiliary rod rotates along the circular guide rail can be reduced by the steel ball, so that the rotation of the mixing bin body is more reliable and stable.
[0013] As a further improvement of the above technical solution: an arc-shaped guide groove is provided at a position of the auxiliary rod close to the steel ball.
[0014] The beneficial effect of this improvement is that the arc-shaped guide groove can cooperate with the steel ball to guide and limit the rotation of the auxiliary rod, thereby facilitating the flipping of the mixing bin body.
[0015] To isolate the raw materials:
[0016] As a further improvement of the above technical solution: an isolation filter is installed at the connection between the gas collecting hood and the mixing bin body.
[0017] The beneficial effect of this improvement is that the connection between the gas collecting hood and the mixing bin body can be isolated by the isolation filter to prevent the raw materials from entering the interior of the dehumidification box.
[0018] To facilitate the rotation of the stirring rod:
[0019] As a further improvement of the above technical solution: the stirring rod and the driven gear 2 are arranged with their axes coincident, and a bearing is installed at the connection between the stirring rod and the driven gear 2.
[0020] The beneficial effects of this improvement are: the axis overlap setting can make the rotation of the stirring rod and the driven gear 2 more reliable and stable, and the bearing can effectively reduce the friction force when the stirring rod rotates, making the rotation of the stirring rod more stable.
[0021] In order to increase the connection strength between the auxiliary rod and the mixing silo:
[0022] As a further improvement of the above technical solution: reinforcing ribs are circumferentially installed at the connection between the auxiliary rod and the mixing bin body.
[0023] The beneficial effect of this improvement is that the structural strength of the connection between the auxiliary rod and the mixing bin body can be effectively increased by reinforcing the ribs.
[0024] To facilitate the rotation of the shaft:
[0025] As a further improvement of the above technical solution: a bearing is installed at the connection between the rotating shaft and the bracket.
[0026] The beneficial effect of this improvement is that the friction force of the rotating shaft during rotation can be effectively reduced by the bearing, thereby making the rotation of the rotating shaft more stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a schematic diagram of the overall main structure.
[0028] Figure 2 It is a schematic diagram of the overall rear view structure.
[0029] Figure 3 This is a schematic diagram of the axonometric structure of the mixing silo body.
[0030] Figure 4 for Figure 1 Enlarged structural diagram at A in the middle.
[0031] Figure 5 for Figure 2 Enlarged structural diagram at B in the middle.
[0032] In the figure: 1. bracket; 11. driving motor; 12. transmission shaft; 13. driving gear 1; 14. driving gear 2; 15. driven gear 1; 16. circular guide rail; 17. steel ball; 2. stirring rod; 3. driven gear 2; 31. rotating shaft; 4. mixing bin body; 41. feeding port; 42. discharging port; 43. auxiliary rod; 5. air collecting hood; 51. air transmission pipeline; 52. dehumidification box; 53. adsorption plate; 54. exhaust fan. DETAILED DESCRIPTION
[0033] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.
[0034] like Figure 1-5As shown, a mixing bin for preparing continuous casting protective slag includes a bracket 1 and a mixing bin body 4, a rotating shaft 31 is installed at the top of the bracket 1, the mixing bin body 4 is installed at the end of the driven gear 2 3, and a feeding port 41 is installed at the top of the mixing bin body 4, a discharge port 42 is installed at the bottom of the mixing bin body 4, and an auxiliary rod 43 is welded to the outside of the mixing bin body 4, a circular guide rail 16 is opened at the position of the bracket 1 close to the auxiliary rod 43, and a steel ball 17 is installed inside the circular guide rail 16, an air collecting hood 5 is installed at the top of the mixing bin body 4, and the air collecting hood 5 is connected to a gas pipeline 51, and the end of the gas pipeline 51 away from the gas collecting hood 5 is connected to a dehumidification box 52, and an adsorption plate is installed inside the dehumidification box 52 53 and the exhaust fan 54, the exhaust fan 54 pumps the gas in the mixing bin body 4 to the inside of the dehumidification box 52 through the air supply pipeline 51 and the air collecting hood 5, and the gas is dehumidified by the adsorption plate 53 and then flows back into the inside of the mixing bin body 4. This method is used to ensure the dryness inside the mixing bin. During the flipping process of the mixing bin body 4, the auxiliary rod 43 rotates along the circular guide rail 16 and the steel ball 17 to support and guide the flipping of the mixing bin body 4, assist the rotation of the rotating shaft 31, and then reduce the load when the rotating shaft 31 rotates, thereby increasing the mixing efficiency and service life of the device. A driving motor 11 is installed at the bottom of the bracket 1, and the output end of the driving motor 11 is connected to the transmission shaft 12 through a synchronous belt, and the transmission shaft 12 is installed with a driving gear. 13 and the driving gear 14, the top of the driving gear 13 is meshed with the driven gear 15, and the agitator 2 is installed at the axis of the driven gear 15, the driving gear 14 is meshed with the driven gear 23 above, and the agitator 31 is installed at the axis of the driven gear 23, the driving motor 11 drives the transmission shaft 12 to rotate through the synchronous belt, drives the driving gear 13 and the driving gear 2 14 to rotate through the transmission shaft 12, the driving gear 13 drives the driven gear 15 and the agitator 2 to rotate to stir the raw materials, the driving gear 2 14 drives the rotating shaft 31 to rotate through the driven gear 2 3, and then drives the mixing bin body 4 to flip, and this method can be used to prepare the continuous casting protection slag in a comprehensive and reliable manner, the steel ball 1 7 are circumferentially distributed on the inner side of the circular guide rail 16. The steel ball 17 can reduce the friction force of the auxiliary rod 43 when it rotates along the circular guide rail 16, so that the rotation of the mixing bin body 4 is more reliable and stable. The auxiliary rod 43 is provided with an arc-shaped guide groove near the steel ball 17. The arc-shaped guide groove can cooperate with the steel ball 17 to guide and limit the rotation of the auxiliary rod 43, so as to facilitate the flipping of the mixing bin body 4. The connection between the gas collecting hood 5 and the mixing bin body 4 is installed with an isolation filter. The connection between the gas collecting hood 5 and the mixing bin body 4 can be isolated by the isolation filter to prevent the raw materials from entering the dehumidification box 52. The axis of the stirring rod 2 and the driven gear 2 3 are arranged to coincide with each other, and the connection between the stirring rod 2 and the driven gear 2 3 is installed with a bearing.The axis overlap setting can make the rotation of the stirring rod 2 and the driven gear 23 more reliable and stable. The bearing can effectively reduce the friction force when the stirring rod 2 rotates, making the rotation of the stirring rod 2 more stable. The connection between the auxiliary rod 43 and the mixing bin body 4 is circumferentially installed with reinforcing ribs. The reinforcing ribs can effectively increase the structural strength of the connection between the auxiliary rod 43 and the mixing bin body 4. The connection between the rotating shaft 31 and the bracket 1 is installed with a bearing. The bearing can effectively reduce the friction force when the rotating shaft 31 rotates, thereby making the rotation of the rotating shaft 31 more stable.
[0035] The working principle of the utility model is as follows: when using the device, the feeding port 41 is opened to put the raw materials into the mixing bin body 4, and then the feeding port 41 is closed. At this time, the exhaust fan 54 extracts the gas in the mixing bin body 4 to the inside of the dehumidification box 52 through the gas pipeline 51 and the air collecting cover 5. The gas is dehumidified by the adsorption plate 53 and then flows back into the mixing bin body 4. This method is used to ensure the dryness inside the mixing bin. At this time, the driving motor 11 drives the transmission shaft 12 to rotate through the synchronous belt, and drives the driving gear 1 13 and the driving gear 2 14 to rotate through the transmission shaft 12. The driving gear 1 13 drives the driven gear 1 15 The raw materials are stirred by rotating with the stirring rod 2, and the active gear 2 14 drives the rotating shaft 31 to rotate through the driven gear 2 3, thereby driving the mixing bin body 4 to flip over. During the flipping of the mixing bin body 4, the auxiliary rod 43 rotates along the circular guide rail 16 and the steel ball 17 to support and guide the flipping of the mixing bin body 4. This method can ensure the stability of the flipping of the mixing bin body 4, assist the rotation of the rotating shaft 31, and thus reduce the load when the rotating shaft 31 rotates, thereby increasing the mixing efficiency and service life of the device. After the mixing is completed, the discharge port 42 is opened to take out the continuous casting protection slag, thereby completing the preparation of the continuous casting protection slag.
[0036] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0037] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.
Claims
1. A mixing bin for preparing continuous casting mold slag, comprising a support (1) and a mixing bin body (4), characterized in that: A rotating shaft (31) is installed at the top of the bracket (1), the mixing bin body (4) is installed at the end of the driven gear 2 (3), and a feeding port (41) is installed at the top of the mixing bin body (4), a discharging port (42) is installed at the bottom of the mixing bin body (4), and an auxiliary rod (43) is welded to the outer side of the mixing bin body (4), a circular guide rail (16) is opened at a position of the bracket (1) close to the auxiliary rod (43), and a steel ball (17) is installed inside the circular guide rail (16), an air collecting hood (5) is installed at the top of the mixing bin body (4), and the air collecting hood (5) is connected to an air supply pipeline (51), and the end of the air supply pipeline (51) away from the air collecting hood (5) is connected to a dehumidification box (52), and an adsorption plate (53) and an exhaust fan (54) are installed inside the dehumidification box (52).
2. The mixing bin for preparing continuous casting mold slag according to claim 1, characterized in that: A driving motor (11) is installed at the bottom of the bracket (1), and the output end of the driving motor (11) is connected to a transmission shaft (12) through a synchronous belt, and a driving gear 1 (13) and a driving gear 2 (14) are installed on the transmission shaft (12), the top of the driving gear 1 (13) is meshedly connected with a driven gear 1 (15), and the axis of the driven gear 1 (15) is installed with a stirring rod (2), and the upper part of the driving gear 2 (14) is meshedly connected with a driven gear 2 (3), and the axis of the driven gear 2 (3) is installed with a rotating shaft (31).
3. The mixing bin for preparing continuous casting mold slag according to claim 1, characterized in that: The steel balls (17) are circumferentially distributed on the inner side of the circular guide rail (16).
4. The mixing bin for preparing continuous casting mold slag according to claim 1, characterized in that: The auxiliary rod (43) is provided with an arc-shaped guide groove at a position close to the steel ball (17).
5. The mixing bin for preparing continuous casting mold slag according to claim 1, characterized in that: An isolation filter is installed at the connection between the gas collecting hood (5) and the mixing bin body (4).
6. A mixing bin for preparing continuous casting mold slag according to claim 2, characterized in that: The stirring rod (2) and the second driven gear (3) are arranged with their axes overlapping, and a bearing is installed at the connection between the stirring rod (2) and the second driven gear (3).
7. The mixing bin for preparing continuous casting mold slag according to claim 1, characterized in that: A reinforcing rib is circumferentially installed at the connection between the auxiliary rod (43) and the mixing bin body (4).
8. The mixing bin for preparing continuous casting mold slag according to claim 1, characterized in that: A bearing is installed at the connection between the rotating shaft (31) and the bracket (1).