Granulation assembly in blast furnace slag treatment equipment

Abstract

The utility model relates to the technical field of blast furnace slag treatment, in particular to a granulation assembly in blast furnace slag treatment equipment, which comprises a granulation assembly body, the granulation assembly body comprises a granulation tower, a granulation wheel main body is arranged in the granulation tower, the granulation wheel main body is provided with a support structure in a matched manner, and the support structure is provided with a support. The support structures are arranged on the two sides of the granulation wheel main body, the granulation wheel main body is further provided with a rotating shaft in a matched mode, the support structures are arranged on the rotating shaft, and a feeding port and a discharging port are formed in the upper portion and the lower portion of the granulation tower and used for inputting materials and outputting granulated materials. The granulation efficiency and the granulation effect are improved; meanwhile, by adopting a supporting structure and a sealing device, the stable rotation and sealing performance of the granulating wheel main body are ensured, and the service life of equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to blast furnace slag treatment technical field especially relates to a granulation subassembly in blast furnace slag treatment equipment. BACKGROUND

[0002] In the process of blast furnace ironmaking, a large amount of blast furnace slag will be produced. If the blast furnace slag is not properly treated, it will not only cause waste of resources, but also have serious negative impact on the environment. Therefore, effective treatment of blast furnace slag is an important link to realize the sustainable development of iron and steel industry.

[0003] At present, granulation is a common method for blast furnace slag treatment. By granulating high-temperature liquid blast furnace slag, it can be quickly cooled and formed into granular material, which is convenient for subsequent storage, transportation and comprehensive utilization. However, the existing granulation assembly in blast furnace slag treatment equipment has many shortcomings.

[0004] On the one hand, the support structure of the granulation wheel body is not stable enough. During long-term operation, it is easy to shake, vibrate and other problems, which not only affects the granulation effect, causes the particle size of the granulated material to be uneven, but also accelerates the wear of the equipment and reduces the service life of the equipment. On the other hand, the sealing performance between the granulation wheel body and the rotating shaft is not good. High-temperature liquid blast furnace slag is easy to enter the sealing part, causing the sealing device to be damaged, and then causing equipment failure, increasing maintenance cost and downtime.

[0005] In addition, the existing granulation wheel body structure design is not reasonable enough, and the connection strength of the granulation blade is not enough. During high-speed rotation, it is easy to cause blade shedding and other safety hazards. At the same time, the connection mode of the driving device and the rotating shaft is not efficient enough, and the power transmission is not stable, which affects the rotation speed and stability of the granulation wheel body, and then reduces the granulation efficiency. UTILITY MODEL CONTENTS

[0006] In order to solve the problems existing in the prior art, the utility model provides a granulation assembly in blast furnace slag treatment equipment. The granulation assembly optimizes the design of the granulation wheel body, improves the granulation efficiency and granulation effect. At the same time, by adopting the support structure and the sealing device, the stable rotation and sealing performance of the granulation wheel body are ensured, and the service life of the equipment is prolonged.

[0007] The utility model provides a granulation assembly in blast furnace slag processing equipment, including granulation assembly body, the granulation assembly body includes granulation tower, the inside of granulation tower is provided with granulation wheel main part, granulation wheel main part cooperation is provided with support structure, support structure sets up at both sides of granulation wheel main part, granulation wheel main part still cooperation is provided with rotation axis, support structure sets up on rotation axis, the upper and lower of granulation tower is provided with feed inlet and discharge gate, is used for the input and granulation after material output of material.

[0008] As a further improvement of the utility model, in order to make the rotation axis drive the granulation wheel main part to rotate stably, ensure that the granulation wheel main part can continuously and stably granulate the blast furnace slag, the support structure includes a bearing seat, a bearing and a sealing device, the bearing seat is fixedly installed in cooperation with the rotation axis, the bearing seat is provided with a mounting hole, the bearing is installed in the mounting hole and cooperates with the rotation axis, so that the rotation axis can drive the granulation wheel main part to rotate stably.

[0009] As a further improvement of the utility model, in order to prevent materials, water or other impurities from entering the gap between the granulation wheel main part and the rotation axis during the granulation process, the sealing device is arranged between the granulation wheel main part and the rotation axis, and the granulation wheel main part includes a sealing shaft seat, and the sealing shaft seat is further provided with a sealing pressing plate.

[0010] As a further improvement of the utility model, in order to make the granulation blade of the granulation wheel main part contact the blast furnace slag uniformly during rotation, further enhance the crushing and granulation effect of the blast furnace slag, the granulation wheel main part includes a disc and a plurality of granulation blades arranged at the edge of the disc, the granulation blades are uniformly distributed along the circumference of the disc, the center of the granulation wheel main part is provided with a shaft hole matched with the rotation axis, and a plurality of granulation teeth are uniformly distributed on the outer periphery of the granulation blade.

[0011] As a further improvement of the utility model, in order to enhance the overall strength and stability of the granulation wheel main part, so that the granulation blade can withstand greater centrifugal force and impact force of materials during high-speed rotation, a plurality of support connecting plates are arranged inside the granulation wheel main part, the granulation blade is connected to the center of the granulation wheel main part through the support connecting plates, and a fixed plate and a rib plate are arranged on the upper side and the lower side of each group of granulation blades respectively.

[0012] As a further improvement of the utility model, in order to make the rotation axis drive the granulation wheel main part to rotate at a suitable speed, the end of the rotation axis is further provided with a driving device, the driving device includes a motor, the motor is provided with a shaft coupling in cooperation, and is connected with the rotation axis through the shaft coupling, for providing the power required for the rotation of the rotation axis.

[0013] The utility model discloses a granulation assembly, which is used for the granulation of blast furnace slag. The granulation assembly comprises a rotating shaft, a granulation wheel body, a support structure, a driving device and a sealing device.

[0014] When the preparation work is completed, start the entire granulation assembly. The blast furnace slag is conveyed into the granulation tower through the feed inlet at the top of the granulation tower. The feeding process needs to maintain a stable flow and speed to ensure the uniformity and continuity of the subsequent granulation work. After the material enters the granulation tower, it gradually accumulates above the granulation wheel body under the action of gravity, waiting to be granulated.

[0015] The motor in the driving device starts to operate and transmits power to the rotating shaft through the shaft coupling. The rotating shaft drives the granulation wheel body to start stable rotation. The support structure on both sides of the granulation wheel body, especially the bearing seat and bearing, plays a key role in supporting and reducing friction, ensuring the smooth operation of the granulation wheel body.

[0016] With the rotation of the granulation wheel body, the multiple granulation blades arranged at the edge of the wheel disc begin to play a role. The granulation blades are evenly distributed along the circumference of the wheel disc, and the multiple granization teeth evenly distributed on the outer periphery of the granization blades are in full contact with the accumulated blast furnace slag. During the rotation of the granulation wheel body, the granization teeth perform strong impact and shearing action on the blast furnace slag, breaking the large pieces of blast furnace slag into smaller particles.

[0017] The multiple sets of support connecting plates inside the granulation wheel body provide reliable support for the granulation blades, ensuring that the granulation blades can withstand large centrifugal force and impact force of the material during high-speed rotation, maintaining a stable working state. The fixed plates and rib plates arranged on the upper and lower sides of each set of granulation blades further enhance the structural strength of the granulation blades and improve the stability of the granulation effect.

[0018] The granulated blast furnace slag particles after granulation are thrown to the inner wall of the granulation tower under the action of the rotation of the granulation wheel body, and are output through the discharge outlet at the bottom of the granulation tower under the action of gravity and airflow. The output granulated blast furnace slag can be collected, transported and further processed.

[0019] The utility model discloses a granulation assembly, which is used for the granulation of blast furnace slag. The granulation assembly comprises a rotating shaft, a granulation wheel body, a support structure, a driving device and a sealing device.

[0020] Stable structure and high-efficiency rotation

[0021] The design of the support structure ensures that the granulating wheel body can rotate stably and efficiently. The bearing seat is fixedly installed on the rotating shaft, and the bearing is installed in the mounting hole and tightly matched with the rotating shaft. This design reduces friction and wear during rotation, improves the rotation accuracy and stability of the granulating wheel body, and thus ensures the continuity and efficiency of the granulation process.

[0022] Good sealing performance:

[0023] The sealing device is arranged between the granulating wheel body and the rotating shaft, effectively preventing material leakage during the granulation process, protecting the internal equipment from contamination, and improving the safety and reliability of the equipment. The cooperation of the sealing shaft seat and the sealing pressure plate further enhances the sealing effect and ensures the smooth progress of the granulation process.

[0024] Optimized granulation effect:

[0025] The granulating wheel body includes a wheel disc and a plurality of granulating blades uniformly distributed along the circumference of the wheel disc. This design allows the material to be uniformly and fully broken during the granulation process. The outer periphery of the granulating blade is uniformly provided with a plurality of granulating teeth, which further enhances the granulation effect and makes the granulated material more uniform in size, improving product quality.

[0026] Enhanced structural strength:

[0027] The granulating wheel body is internally provided with a plurality of support connecting plates, and the granulating blades are connected to the center of the granulating wheel body through the support connecting plates. This structure enhances the overall strength of the granulating wheel body, allowing the granulating wheel to maintain a stable form during high-speed rotation and reducing the risk of deformation or damage. Meanwhile, the upper and lower sides of each group of granulating blades are respectively provided with fixed plates and rib plates, further improving the stability and durability of the granulating blades. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to facilitate understanding by those skilled in the art, the present application will be further described below with reference to the accompanying drawings:

[0029] Fig. 1 The structure of the present application is shown in the figure.

[0030] Fig. 2 The side view structure of the granulating wheel body is shown.

[0031] Fig. 3 The structure of the granulating blade is shown.

[0032] Among them, 1 granulating wheel body, 2 support structure, 3 rotating shaft, 4 bearing seat, 5 sealing device, 6 sealing shaft seat, 7 sealing pressure plate, 8 granulating blade, 9 shaft hole, 10 granulating tooth, 11 support connecting plate, 12 fixed plate, 13 rib plate, 14 driving device, 15 coupling. DETAILED DESCRIPTION

[0033] In order to make the technical personnel in the technical field better understand the technical solutions in the present application, the following will be combined with the drawings of the embodiments to make the specific description. Figs. 1-3 Further description of the utility model, the following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0034] As Figs. 1-3 The granulation assembly in the blast furnace slag treatment equipment shown in the figure, including granulation assembly body, the granulation assembly body includes granulation tower, the inside of the granulation tower is provided with granulation wheel body 1, the granulation wheel body 1 is matched with support structure 2, the support structure 2 is arranged at the both sides of granulation wheel body 1, the granulation wheel body 1 is also matched with rotary shaft 3, the support structure 2 is arranged on rotary shaft 3, the upper and lower of the granulation tower is provided with feed inlet and discharge outlet, for the input and output of granulated material of material.

[0035] The support structure 2 includes bearing seat 4, bearing and sealing device 5, the bearing seat 4 is fixedly installed in rotary shaft 3 matched with setting, bearing seat 4 is provided with mounting hole, the bearing is installed in the mounting hole and is matched with rotary shaft 3, so that rotary shaft 3 can drive granulation wheel body 1 to rotate stably.

[0036] The sealing device 5 is arranged between the granulation wheel body 1 and rotary shaft 3, the granulation wheel body 1 includes sealing shaft seat 6, the sealing shaft seat 6 is also matched with sealing press plate 7.

[0037] The granulation wheel body 1 includes wheel disc and multiple granulation blades 8 arranged at the edge of the wheel disc, the granulation blades 8 are evenly distributed along the circumference of the wheel disc, the center of the granulation wheel body 1 is provided with shaft hole 9 matched with rotary shaft 3, the outer circumferential surface of the granulation blade 8 is evenly distributed with multiple granulation teeth 10.

[0038] The granulation wheel body 1 is provided with multiple groups of support connecting plates 11 inside, the granulation blade 8 is connected with the center of the granulation wheel body 1 through support connecting plate 11, and the upper side and the lower side of each group of the granulation blade 8 are respectively provided with fixed plate 12 and rib plate 13.

[0039] The end of the rotary shaft 3 is also provided with driving device 14, the driving device 14 includes motor, the motor is matched with coupling 15, and is connected with rotary shaft 3 through coupling 15, for providing the power required for the rotation of rotary shaft 3.

[0040] The utility model discloses a granulation assembly for granulating blast furnace slag, which comprises a rotating shaft 3, a granulation wheel body 1, a support structure 2, a bearing seat 4, a bearing, a sealing device 5, a granulation blade 8, a granulation tooth 10, a support connecting plate 11, a fixed plate 12, a muscle plate 13, a driving device 14 and a shaft coupling 15.

[0041] When the preparation work is completed, start the entire granulation assembly. The blast furnace slag is conveyed into the granulation tower through the feed inlet at the top of the granulation tower. The feeding process needs to maintain stable flow and speed to ensure the uniformity and continuity of the subsequent granulation work. After the material enters the granulation tower, it gradually accumulates above the granulation wheel body 1 under the action of gravity, waiting to be granulated.

[0042] The motor in the driving device 14 starts to work, and the power is transmitted to the rotating shaft 3 through the shaft coupling 15. The rotating shaft 3 drives the granulation wheel body 1 to start stable rotation. The support structure 2 on both sides of the granulation wheel body 1, especially the bearing seat 4 and the bearing, plays a key role in supporting and reducing friction, ensuring the smooth operation of the granulation wheel body 1.

[0043] With the rotation of the granulation wheel body 1, a plurality of granulation blades 8 arranged at the edge of the wheel disc begin to play a role. The granulation blades 8 are evenly distributed along the circumference of the wheel disc, and the plurality of granulation teeth 10 evenly distributed on the outer periphery of the granulation blades 8 are in full contact with the accumulated blast furnace slag. During the rotation of the granulation wheel body 1, the granulation teeth 10 perform strong impact and shearing action on the blast furnace slag, breaking the large pieces of blast furnace slag into smaller particles.

[0044] The plurality of support connecting plates 11 inside the granulation wheel body 1 provide reliable support for the granulation blades 8, ensuring that the granulation blades 8 can withstand the large centrifugal force and impact force of the material during high-speed rotation, maintaining a stable working state. The fixed plate 12 and the muscle plate 13 arranged on the upper and lower sides of each group of granulation blades 8 further enhance the structural strength of the granulation blades 8, improving the stability of the granulation effect.

[0045] After the granulation treatment, the blast furnace slag particles are thrown to the inner wall of the granulation tower under the action of the rotation of the granulation wheel body 1, and are output through the discharge port at the bottom of the granulation tower under the action of gravity and airflow. The output granulated blast furnace slag can be collected, transported and further processed.

[0046] The utility model discloses not limited to above embodiment, on the basis of the technical scheme disclosed in the utility model, the technical content disclosed in the utility model is not needed to make some substitution and deformation to some technical features among them according to the creative labor of the person skilled in the art, and these substitutions and deformations are all within the protection scope of the utility model.

Claims

1. A granulation assembly in a blast furnace slag treatment plant, comprising a granulation assembly body, characterized in that, The granulation assembly body includes a granulation tower, the inside of the granulation tower is provided with a granulation wheel body (1), the granulation wheel body (1) is provided with a supporting structure (2) in a matched mode, the supporting structure (2) is arranged on both sides of the granulation wheel body (1), the granulation wheel body (1) is further provided with a rotating shaft (3) in a matched mode, the supporting structure (2) is arranged on the rotating shaft (3), and the granulation tower is provided with an inlet and an outlet above and below the granulation tower, which are used for input of materials and output of granulated materials.

2. A granulation assembly in a blast furnace slag treatment plant according to claim 1, characterized in that, The supporting structure (2) includes a bearing seat (4), a bearing and a sealing device (5), the bearing seat (4) is fixedly installed in a matched mode on the rotating shaft (3), the bearing seat (4) is provided with a mounting hole, the bearing is mounted in the mounting hole and is matched with the rotating shaft (3), so that the rotating shaft (3) can drive the granulation wheel body (1) to stably rotate.

3. A granulation assembly in a blast furnace slag processing plant according to claim 2, characterised in that, The sealing device (5) is arranged between the granulation wheel body (1) and the rotating shaft (3), the granulation wheel body (1) includes a sealing shaft seat (6), and the sealing shaft seat (6) is further provided with a sealing pressing plate (7) in a matched mode.

4. A granulation assembly in a blast furnace slag processing plant according to claim 1, characterized in that, The granulation wheel body (1) includes a disc and a plurality of granulation blades (8) arranged at the edge of the disc, the granulation blades (8) are uniformly distributed along the circumference of the disc, the center of the granulation wheel body (1) is provided with a shaft hole (9) matched with the rotating shaft (3), and the outer circumferential surface of the granulation blade (8) is uniformly provided with a plurality of granulation teeth (10).

5. A granulation assembly in a blast furnace slag processing plant according to claim 4, characterised in that, A plurality of supporting connecting plates (11) are arranged in the granulation wheel body (1), the granulation blades (8) are connected with the center of the granulation wheel body (1) through the supporting connecting plates (11), and the upper side and the lower side of each group of the granulation blades (8) are respectively provided with a fixed plate (12) and a rib plate (13).

6. A granulation assembly in a blast furnace slag processing plant according to claim 1, characterized in that, The end of the rotating shaft (3) is further provided with a driving device (14), the driving device (14) includes a motor, the motor is provided with a shaft coupling (15) in a matched mode and is connected with the rotating shaft (3) through the shaft coupling (15), and is used for providing power required by the rotation of the rotating shaft (3).

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