Slurry stirring device for converter

Abstract

The utility model relates to the technical field of converter production, in particular to a converter slurry stirring device. The fixing frame serves as a fixing support of the driving motor and the linear driver, the driving motor drives the stirring rod and the stirring paddle to rotate, so that liquid in the dust and mud bin is driven to flow and be mixed, and in the mixing process, the linear driver drives the driving motor to vertically reciprocate in the fixing frame, so that the liquid in the dust and mud bin is mixed. Therefore, the stirring paddle below is driven to vertically move in the dust and mud bin, so that the stirring paddle drives liquid at different depths to flow, and the mixing effect of dust and mud and water is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of converter production, in particular to a converter slurry stirring device. BACKGROUND

[0002] A metallurgical enterprise produces about 30-50 kg of smoke dust per ton of converter steel, adopts a wet treatment, and smoke dust is deposited, and water can be removed by a filter press to obtain dust mud containing 20%-40% of water, which is rich in metal elements such as iron and calcium and is a good renewable resource of a steel plant. In order to fully utilize the dust mud resource, some steel plants dilute the wet dust mud into mud slurry with a concentration of 15%-20% by adding water, and the mud slurry is added to the material surface of a cylindrical mixer in a primary mixing process as sintering material water to participate in sintering production. In the dilution process, a stirrer needs to be used for stirring, and the stirrer is mostly fixed on the top of the dust mud bin. When the stirring paddle rotates, only a certain depth of liquid can be driven to flow, so that the dust mud and water in the dust mud bin are not uniformly mixed. SUMMARY

[0003] The utility model aims at solving the above-mentioned problem of uneven stirring of the stirrer, thereby providing a stirring device capable of increasing the stirring effect.

[0004] The utility model solves the problem by adopting the technical scheme of:

[0005] A converter slurry stirring device, comprising a fixing frame arranged on the top of a dust mud bin, a driving motor slidingly arranged in the fixing frame, a stirring rod connected with the rotating shaft of the driving motor, the stirring rod extending to the dust mud bin at the bottom, and a stirring paddle arranged at the bottom of the stirring rod; a linear driver arranged in the fixing frame above the driving motor, the linear driver being used for driving the driving motor to vertically reciprocate.

[0006] The utility model adopting the above technical scheme has the beneficial effects compared with the prior art:

[0007] The fixing frame of the utility model serves as the fixing support of the driving motor and the linear driver, the stirring rod and the stirring paddle are driven to rotate by the driving motor, thereby driving the liquid in the dust mud bin to flow and mix. During the mixing process, the driving motor is driven to vertically reciprocate in the fixing frame by the linear driver, thereby driving the stirring paddle below to vertically move in the dust mud bin, so that the stirring paddle drives the liquid at different depths to flow, thereby increasing the mixing effect of the dust mud and water.

[0008] As a preferred embodiment, the utility model further has the technical scheme of:

[0009] The fixing frame is internally provided with an upper cavity and a lower cavity, the linear driver is arranged in the upper cavity, the driving motor and the stirring rod are arranged in the lower cavity, and the fixing frame on the outer side of the upper cavity and the lower cavity is provided with an inspection window.

[0010] The application further comprises an adapter shell, the driving motor is clamped in the adapter shell, and the linear driver is connected with the adapter shell. Through the above structure, on the basis that the driving motor and the linear driver are stably connected, the driving motor can be quickly replaced when the driving motor fails.

[0011] The shell of the driving motor is radially fixed with a plurality of clamping blocks, a plurality of clamping grooves matched with the clamping blocks are arranged on the side wall of the adapter shell, and the clamping blocks are inserted into the clamping grooves when the driving motor is located in the adapter shell. Through the cooperation of the clamping blocks and the clamping grooves, the shell of the driving motor can overcome the reaction force of the stirring paddle rotating when the liquid flows, so that the stirring paddle can stably rotate.

[0012] The inner side of the lower part of the fixing frame is vertically provided with a sliding groove, and the outer wall of the adapter shell is radially provided with a sliding block, and the sliding block is used for sliding in the sliding groove. Through the cooperation of the sliding block and the sliding groove, the linear driver can drive the driving motor to stably reciprocate in the fixing frame.

[0013] The stirring paddle at the bottom of the stirring rod is provided with multiple layers, and the paddle surfaces of adjacent two layers of stirring paddles face in opposite directions. Through the above structure, the stirring effect of the stirring paddle is increased. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a use state schematic diagram of the embodiment of the application;

[0015] Figure 2 is a structure perspective view of the embodiment of the application;

[0016] Figure 3 is an internal structure perspective view of the fixing frame of the embodiment of the application;

[0017] Figure 4 is a side sectional view of the embodiment of the application;

[0018] Figure 5 is a side sectional view of the adapter shell of the embodiment of the application.

[0019] In the drawings:

[0020] 1, fixed frame; 11, access window; 12, linear drive; 13, adapter shell; 131, slider; 132, clamping block; 133, clamping groove; 134, lifting lug; 14, annular plate; 15, drive motor; 16, sliding groove; 2, support plate; 3, dust and sludge bin; 4, stirring rod; 5, stirring paddle. DETAILED DESCRIPTION

[0021] The utility model will be further explained in connection with the examples below, the purpose is only to better understand the utility model content, therefore, the example does not limit the protection scope of the utility model.

[0022] Reference Figures 1-5 The converter slurry stirring device disclosed by the embodiment of the application comprises a fixed frame 1 arranged at the top of a dust and sludge bin 3, a support plate 2 arranged at the top of the dust and sludge bin 3, a drive motor 15 arranged in the fixed frame 1 and vertically sliding, a stirring rod 4 coaxially connected to the rotating shaft of the drive motor 15, the bottom of the stirring rod 4 extending into the dust and sludge bin 3 through the support plate 2, and a stirring paddle 5 arranged at the bottom of the stirring rod 4.

[0023] In the embodiment, the fixed frame 1 is in a hollow cylindrical structure, the annular plate 14 is fixed at the middle position inside the fixed frame 1, the middle hole diameter of the annular plate 14 is smaller than the outer diameter of the shell of the linear drive 12 and larger than the outer diameter of the piston rod of the linear drive 12, specifically, the space inside the fixed frame 1 is divided into an upper cavity and a lower cavity by the annular plate 14, the linear drive 12 is arranged in the upper cavity, the drive motor 15 and the stirring rod 4 are arranged in the lower cavity, and the adapter shell 13 is further arranged in the lower cavity, the adapter shell 13 is a cylindrical shell, a through hole with a hole diameter smaller than the outer diameter of the shell of the drive motor 15 and larger than the outer diameter of the rotating shaft of the drive motor 15 is arranged at the bottom of the adapter shell 13, the shell of the drive motor 15 is clamped in the adapter shell 13, the rotating shaft of the drive motor 15 is coaxially fixed with the stirring rod 4 through the through hole, the lifting lug 134 is fixed to the top outer wall of the adapter shell 13, the piston rod of the linear drive 12 is connected with the lifting lug 134 through the through hole, so that the linear drive 12 drives the drive motor 15 to make vertical reciprocating motion through the lifting lug 134 and the adapter shell 13, and the access window 11 is arranged on the fixed frame 1 outside the upper cavity and the lower cavity, so that the linear drive 12, the drive motor 15 or the adapter shell 13 can be quickly repaired when a fault occurs.

[0024] In the embodiment, a plurality of clamping blocks 132 are fixed radially on the outer wall of the shell of the driving motor 15, and a plurality of clamping grooves 133 matched with the clamping blocks 132 are formed on the inner side wall of the adapter shell 13, when the driving motor 15 is located in the adapter shell 13, the clamping blocks 132 are inserted into the clamping grooves 133. When the rotating shaft of the driving motor 15 drives the stirring rod 4 to rotate, the reaction force of the mud is transmitted to the shell of the driving motor 15 through the stirring rod 4 and the stirring paddle 5, so that the shell of the driving motor 15 has a tendency to rotate in the adapter shell 13, and the clamping blocks 132 and the clamping grooves 133 are matched, so that the shell of the driving motor 15 overcomes the part of the potential energy, thereby the position is stable.

[0025] In the embodiment, two symmetrical sliding grooves 16 are vertically arranged on the inner side of the lower part of the fixed frame 1, and two symmetrical sliding blocks 131 are radially arranged on the outer wall of the adapter shell 13, the horizontal section of the two sliding blocks 131 is matched with the horizontal section of the sliding groove 16, and the outer ends of the two sliding blocks 131 slide in the two sliding grooves 16 respectively. Through the cooperation of the sliding blocks 131 and the sliding grooves 16, the linear driver 12 can drive the driving motor 15 to stably reciprocate in the fixed frame 1.

[0026] In the embodiment, the stirring paddle 5 at the bottom of the stirring rod 4 is provided with multiple layers, the blades of each layer of the stirring paddle 5 are provided with multiple blades, and the blades of the adjacent two layers of the stirring paddle 5 are circumferentially equidistantly arranged and oppositely arranged, so that the stirring effect of the stirring paddle 5 is improved.

[0027] The fixed frame 1 of the utility model is used as the fixed support of the driving motor 15 and the linear driver 12, the stirring rod 4 and the stirring paddle 5 are driven to rotate by the driving motor 15, so that the liquid in the dust and mud bin 3 is driven to flow and mix, in the mixing process, the driving motor 15 is driven to vertically reciprocate in the fixed frame 1 by the linear driver 12, so that the stirring paddle 5 below is driven to vertically move in the dust and mud bin 3, the stirring paddle 5 drives the liquid of different depths to flow, so that the mixing effect of the dust and mud and water is improved.

[0028] The above only describes the preferred and feasible embodiment of the utility model, and does not limit the scope of the utility model, and equivalent changes made by applying the contents of the utility model specification and its drawings are included in the scope of the utility model.

Claims

1. A converter slurry mixing device, characterized in that: It includes a fixed frame installed on top of the dust and sludge bin, in which a drive motor is slidably mounted. The shaft of the drive motor is connected to a stirring rod, the bottom of which extends into the dust and sludge bin, and a stirring paddle is installed at the bottom of the stirring rod. A linear driver is installed in the fixed frame above the drive motor, which is used to drive the drive motor to perform vertical reciprocating motion.

2. The converter slurry mixing device according to claim 1, characterized in that: The fixed frame has an upper cavity and a lower cavity. The linear actuator is located in the upper cavity, and the drive motor and stirring rod are located in the lower cavity. Inspection windows are provided on the fixed frame on the outside of both the upper and lower cavities.

3. The converter slurry mixing device according to claim 1, characterized in that: It also includes an adapter housing, in which the drive motor is secured, and the linear driver is connected to the adapter housing.

4. The converter slurry mixing device according to claim 3, characterized in that: The drive motor housing has several locking blocks radially fixed on it, and the side wall of the adapter housing has several locking slots that match the locking blocks. When the drive motor is inside the adapter housing, the locking blocks are inserted into the locking slots.

5. The converter slurry mixing device according to claim 3, characterized in that: The lower inner side of the fixed frame is provided with a vertical sliding groove, and the outer wall of the adapter shell is provided with a sliding block in the radial direction. The sliding block is used to slide in the sliding groove.

6. The converter slurry mixing device according to claim 1, characterized in that: The stirring rod has multiple layers of stirring paddles at its bottom, with the surfaces of adjacent layers of stirring paddles facing opposite directions.

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