Hot slag discharging device
By designing a hot slag unloading device, using the combination of a turntable and a material guide device, the difficulty of collecting and unloading high-temperature hot slag 360° vertical blanking is solved, and the continuous production of the granulation device is achieved, avoiding ground damage. .
Patent Information
- Application Number
- CN202421143667.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The prior art lacks a 360° vertical blanking device that can effectively collect and unload high-temperature hot pellet slag at about 800°C, causing the pellet slag to fall directly to the ground, causing damage and limiting the continuous production of the pelletizing device.
A hot slag discharge device is designed, including a turntable device, a material guide device, a support device and a driving device. The high-temperature particle slag is carried through the heat-insulating refractory material layer of the turntable device, and the turntable is driven by the drive device, and the material guide device is used. Scrape the hot pellet slag to the preset discharge position, and the receiving device completes the discharge.
Effectively avoid damage to the turntable device, realize the circular movement and continuous unloading of high-temperature hot particle slag, solve the damage and production restrictions caused by the direct landing of the particle slag, fill the collection and unloading of 360° vertical blanking of high-temperature hot particle slag Difficult problem.
Smart Images
Figure CN222362117U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of material preparation, and more specifically, to a hot slag unloading device. Background Art
[0002] Slag is a by-product of the ironmaking / ferroalloy production process and contains abundant resources. The treatment process of high-temperature molten slag generally involves first granulating the high-temperature melt using a slag granulator, and then reprocessing the granulated particles to achieve product reuse.
[0003] After the high-temperature melt is granulated by the granulating device, the temperature of the granulated slag in the primary cooling section is about 800°C. The temperature of the granulated slag at about 800°C has reached below the mineral crystallization temperature and can be unloaded. When unloading, the granulated slag falls along a ring channel of the granulating device. The fallen granulated slag needs to be continuously collected to meet the requirements of industrial continuous production.
[0004] Granular slag at about 800°C falls vertically 360° from the annular channel. If it falls directly on the ground and is then collected, there will be certain requirements on the amount of slag and the collection speed of the granular slag on the ground, and the ground where the granular slag falls will be damaged to a certain extent, which is not suitable for the continuous production of batch granular slag. Therefore, there is an urgent need to develop a 360° vertical unloading device for granular slag at about 800°C. Utility Model Content
[0005] In view of the above problems, the purpose of the utility model is to provide a hot slag unloading device to solve the problem in the prior art that there is a lack of a 360° vertical unloading device for granular slag at about 800°C.
[0006] The utility model provides a hot slag unloading device, which is used for unloading high-temperature hot granular slag discharged from the primary cooling section of a granulating device, and comprises a turntable device, a material guiding device, a supporting device and a driving device; wherein the turntable device comprises a body section, an annular groove arranged at the top of the body section and a heat-insulating refractory material layer arranged at the bottom of the annular groove; the material receiving port of the annular groove is opposite to the annular unloading port of the granulating device; the material guiding device comprises a scratching plate fixed at a preset unloading position, the scratching plate is obliquely arranged above the annular groove, and the inclined direction of the scratching plate forms a material guiding channel between the outer edge of the turntable device and the preset unloading position; a unloading chute is arranged at the preset unloading position, and the lower end of the unloading chute is connected to a material storage device; the supporting device comprises an inner supporting roller arranged at the bottom of the inner ring of the body section and an outer supporting roller arranged at the bottom of the outer ring of the body section; the driving device comprises a driving mechanism, a transmission gear sleeved on the upper part of the driving mechanism and a pin gear arranged on the outer side wall of the turntable device; the transmission gear is meshed with the pin gear.
[0007] In addition, a preferred solution is that at least two centering points located opposite to each other are arranged on the inner side wall of the turntable device; and a centering device abuts against the centering points.
[0008] In addition, a preferred solution is that the centering device includes a base bracket, a centering roller, a centering roller pin, an elastic buffer mechanism, a roller frame and a roller frame pin; wherein the centering roller is vertically arranged, and the centering roller is hinged to the roller frame through the centering roller pin; the centering roller abuts against the inner side wall of the main body segment; the roller frame is hinged to the base bracket through the roller frame pin; the elastic buffer mechanism is connected to the inner side of the roller frame, and the centering roller is pressed tightly against the inner side wall of the main body segment through the roller frame.
[0009] In addition, a preferred solution is that a speed measuring device is connected to the turntable device.
[0010] In addition, a preferred solution is that the speed measuring device includes a speed measuring gear meshing with the pin teeth and an encoder connected to the speed measuring gear; the speed measuring gear is mounted on a gear body bracket.
[0011] In addition, a preferred solution is that a clamping mechanism is provided on one side of the transmission gear; the clamping mechanism includes a hydraulic cylinder, and the piston rod of the hydraulic cylinder is connected to the driving mechanism; when the piston rod of the hydraulic cylinder is in an extended state, the transmission gear on the upper part of the driving mechanism connected to the piston rod is pressed on the pin tooth, and the driving mechanism drives the pin tooth; when the piston rod of the hydraulic cylinder is in a retracted state, the transmission gear is disengaged from the pin tooth, and the driving mechanism stops driving the pin tooth.
[0012] In addition, a preferred solution is that an annular sealing structure is provided between the inner annular wall of the annular groove and the inner annular wall of the annular discharge port.
[0013] In addition, a preferred solution is that the driving mechanism is driven by a hydraulic motor.
[0014] In addition, a preferred solution is that the number of the driving devices is at least two, and a transmission gear is provided on the upper part of the driving mechanism of each driving device; and / or; the number of the supporting devices is at least two; and the supporting devices are evenly distributed on the bottom ring of the main body segment.
[0015] In addition, a preferred solution is that the bottoms of the inner support roller and the outer support roller are detachably fixed on the concrete foundation through a support frame.
[0016] From the above technical scheme, it can be known that the hot slag unloading device provided by the utility model can receive the granulated high-temperature (about 800°C) hot granular slag that falls vertically 360° from the annular discharge port of the granulating device through the structural design of the turntable device, and prevent the turntable device body from being damaged by the high-temperature hot granular slag by arranging a heat-insulating refractory material layer; the turntable device is driven to rotate by the driving device, thereby driving the hot slag that falls on the heat-insulating refractory material layer to make a circular motion, and the high-temperature hot granular slag that rotates to the preset unloading position is scraped off by the scratching plate through the design of the material guiding device, and the scraped high-temperature hot granular slag falls from the preset unloading position along the material guiding channel. At this time, it can be The unloading of the granulating device can be completed by setting up a receiving device or a storage device in advance to receive the high-temperature hot granular slag dropped from the preset unloading position. The utility model can solve the problem that in the slag granulation process, the high-temperature hot granular slag in the primary cooling section falls 360° vertically and cannot be directly received by the receiving device or the storage device, but falls directly to the ground, causing damage to the ground, and the amount of the hot slag dropped and the storage time on the ground are limited, thereby causing the granulating device to be unsuitable for the continuous production of batch granular slag. The utility model fills the gap in the field of the difficulty in collecting and unloading the high-temperature hot granular slag in the primary cooling section of about 800°C that falls 360° vertically and the lack of an effective unloading device. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] By referring to the following description in conjunction with the accompanying drawings, and with a more comprehensive understanding of the present invention, other purposes and results of the present invention will become more clear and easy to understand. In the accompanying drawings:
[0018] Figure 1 It is a schematic diagram of the top view of the structure when the hot slag discharge device and the granulation device according to the embodiment of the utility model are used in conjunction with each other;
[0019] Figure 2 for Figure 1 Structural schematic diagram of AA direction;
[0020] Figure 3 It is a schematic diagram of the top view of the hot slag unloading device according to an embodiment of the utility model;
[0021] Figure 4 for Figure 3 Structural schematic diagram of BB direction;
[0022] Figure 5 for Figure 3 Structural diagram of CC direction;
[0023] Figure 6 for Figure 5 Schematic diagram of the enlarged structure;
[0024] Figure 7 for Figure 3Structural schematic diagram of DD direction;
[0025] Figure 8 The present invention is a flow chart of hot slag unloading using the hot slag unloading device according to an embodiment of the present invention.
[0026] In the accompanying drawings, 1-turntable device, 11-body section, 121-inner ring plate, 122-outer ring plate, 13-insulating refractory material layer, 21-scratching plate, 31-inner support roller, 32-outer support roller, 4-driving device, 41-driving mechanism, 42-transmission gear, 43-pin gear, 44-hydraulic cylinder, 5-centering device, 51-base bracket, 52-centering roller, 53-centering roller pin shaft, 54-elastic buffer mechanism, 55-roller frame, 56-roller frame pin shaft, 6-speed measuring device, 61-speed measuring gear, 62-gear body bracket, 7-granulating device, 71-annular discharge port, 8-material guide channel, 81-discharging chute, 9-annular sealing structure.
[0027] The same reference numerals throughout the drawings indicate similar or corresponding features or functions. DETAILED DESCRIPTION
[0028] In the following description, for the purpose of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. However, it is apparent that these embodiments may also be implemented without these specific details.
[0029] In view of the problem that the prior art mentioned above lacks a 360° vertical discharge device for high-temperature hot granular slag of about 800°C, a hot slag discharge device is proposed.
[0030] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0031] In order to illustrate the hot slag unloading device provided by the utility model, Figure 1 The top view of the hot slag discharge device according to the embodiment of the utility model when used in conjunction with the granulation device is shown; Figure 2 Shows Figure 1 The structure in the AA direction; Figure 3 The top view structure of the hot slag unloading device according to the embodiment of the utility model is shown; Figure 4 Shows Figure 3 The structure of the BB direction; Figure 5 Shows Figure 3 The CC-direction structure; Figure 6 Shows Figure 5 The amplification structure; Figure 7 Shows Figure 3 The structure in the DD direction; Figure 8The present invention shows a process of unloading hot slag using the hot slag unloading device of the embodiment of the utility model.
[0032] like Figures 1 to 8 As shown together, the hot slag unloading device provided by the utility model is used to unload the high-temperature hot granular slag discharged from the primary cooling section of the granulation device, and includes a turntable device 1, a material guiding device, a supporting device and a driving device 4; wherein the turntable device 1 includes a body section 11, an annular groove arranged at the top of the body section 11 and a heat-insulating refractory material layer 13 arranged at the bottom of the annular groove; the receiving port of the annular groove is opposite to the annular discharge port 71 of the granulation device 7; the material guiding device includes a scratching plate 21 fixedly arranged at a preset unloading position, and the scratching plate 21 is inclinedly arranged on the upper side of the annular groove A material guiding channel 8 is formed between the inclined direction of the sliding plate 21 and the outer edge of the turntable device 1 and the preset unloading position; a unloading chute 81 is provided at the preset unloading position, and the lower end of the unloading chute 81 is connected to a storage device; the supporting device includes an inner supporting roller 31 arranged at the bottom of the inner ring of the body section 11 and an outer supporting roller 32 arranged at the bottom of the outer ring of the body section 11; the driving device includes a driving mechanism 41, a transmission gear 42 sleeved on the upper part of the driving mechanism 41 and a pin tooth 43 arranged on the outer side wall of the turntable device 1; the transmission gear 42 is meshed with the pin tooth 43.
[0033] The annular groove is a C-shaped groove structure formed by an inner ring plate 121 disposed on the inner ring side of the body segment 11 and an outer ring plate 122 disposed on the outer ring side of the body segment 11. Both the inner ring plate 121 and the outer ring plate 122 are steel plate structures, preferably but not limited to being fixed on the top surface of the body segment 11 by welding.
[0034] The preset unloading position in the utility model can be set according to actual needs. The scraper 21 is fixed at the preset position and is located above the turntable device 1. The scraper 21 scrapes off the high-temperature hot granular slag that is higher than the bottom height at the preset unloading position. The scraped high-temperature hot granular slag can be collected into the storage device through the unloading chute 81.
[0035] The structural design of the turntable device 1 is capable of receiving the high-temperature (about 800°C) hot granular slag after granulation that falls vertically at 360° from the annular discharge port 71 of the granulating device 7. The heat-insulating refractory material layer 13 is provided to prevent the turntable device 1 body from being damaged by the high-temperature hot granular slag. The drive device 4 drives the turntable device 1 to rotate, thereby driving the hot slag that falls on the heat-insulating refractory material layer 13 to make a circular motion. The design of the material guiding device allows the high-temperature hot granular slag that rotates to the preset unloading position to be scraped off by the scratching plate 21, and the scraped high-temperature hot granular slag falls from the preset unloading position along the material guiding channel 8. At this time, the material receiving device can be provided in advance at the preset unloading position. Or the storage device receives the high-temperature hot granular slag dropped from the preset unloading position, the unloading processing of the granulating device can be completed. The utility model can solve the problem in the prior art that the high-temperature hot granular slag in the initial cooling section of the slag granulation process falls 360° vertically and cannot be directly received by the receiving device or the storage device, and falls directly to the ground, causing damage to the ground, and the amount of the hot slag dropped and the storage time on the ground are limited, thereby causing the granulating device to be unsuitable for the continuous production of batch granular slag. The utility model fills the gap in the field of the difficulty in collecting and unloading the high-temperature hot granular slag in the initial cooling section of about 800°C and the lack of an effective unloading device.
[0036] As a preferred solution of the utility model, at least two centering points located opposite to each other are arranged on the inner side wall of the turntable device 1; and a centering device 5 abuts against the centering points.
[0037] It should be noted that the function of the centering device 5 is to prevent the turntable device 1 from eccentric displacement during rotation. The centering devices 5 appear in pairs, and the centering devices 5 of each pair are arranged relatively to each other, so as to fully provide the centering device 5 with a balancing force during the rotation process. Of course, the present invention can also realize unloading work without the centering device 5.
[0038] As a preferred solution of the utility model, the centering device 5 includes a base bracket 51, a centering roller 52, a centering roller pin 53, an elastic buffer mechanism 54, a roller frame 55 and a roller frame pin 56; wherein, the centering roller 52 is vertically arranged, and the centering roller 52 is hinged to the roller frame 55 through the centering roller pin 53; the centering roller 52 abuts against the inner wall of the main body section 11; the roller frame 55 is hinged to the base bracket 51 through the roller frame pin 56; the elastic buffer mechanism 54 is connected to the inner side of the roller frame 55.
[0039] Specifically, the centering roller 52 is hinged to the roller frame 55 through the centering roller pin 53, preferably but not limited to the hinged connection through the pin, so that the centering roller 52 can rotate along the centering roller pin 53 connected to the roller frame 55, and the centering roller 52 and the roller frame 55 can also swing along the roller frame pin 56, and elastic buffering is achieved by the elastic buffer mechanism 54. Among them, the elastic buffer mechanism 54 is preferably but not limited to a spring.
[0040] In order to achieve a better centering effect of the centering device, the tail end of the elastic buffer mechanism can be installed on a fixed seat, and the position of the fixed seat can be adjusted and fixed. A block is provided at the other end of the inner side of the roller frame, and a baffle is provided on the base bracket. A screw with adjustable length is passed through the baffle, and the end of the screw abuts against the block. The screw and the block are used to limit the swing frame, so that the compression amount of the elastic buffer mechanism can be adjusted according to the working conditions, and the preload force of the centering roller can be adjusted. By adjusting the length of the screw, the screw abuts against the block to fix the position of the roller frame, so that the centering roller is pressed tightly to the preset position of the inner wall of the main body section.
[0041] As a preferred solution of the present invention, a speed measuring device 6 is connected to the turntable device 1. The speed measuring device measures the rotation speed of the turntable device 1, so as to understand the rotation speed of the turntable device 1.
[0042] As a preferred solution of the present invention, the speed measuring device 6 includes a speed measuring gear 61 meshing with the pin teeth 43 and an encoder connected to the speed measuring gear 61 ; the speed measuring gear 61 is mounted on a gear body bracket 62 .
[0043] It should be noted that: using the speed measuring gear 61 in combination with an encoder to measure the speed of the turntable device 1 is a preferred structure of the present invention, but is not limited to this structure.
[0044] As a preferred solution of the utility model, a clamping mechanism is provided on one side of the transmission gear 42; the clamping mechanism includes a hydraulic cylinder 44, and the piston rod of the hydraulic cylinder 44 is connected to the driving mechanism 41; when the piston rod of the hydraulic cylinder 44 is in an extended state, the transmission gear 42 on the upper part of the driving mechanism 41 connected to the piston rod is clamped on the pin tooth 43 to ensure that the driving mechanism 41 can drive the pin tooth 43; when the piston rod of the hydraulic cylinder 44 is in a retracted state, the transmission gear 42 is disengaged from the pin tooth 43, and the driving mechanism 41 stops driving the pin tooth 43, and the driving mechanism 41 can be offline for maintenance.
[0045] As a preferred solution of the utility model, an annular sealing structure 9 is provided between the inner ring wall of the annular groove and the inner ring wall of the annular discharge port 71 to prevent the high-temperature hot granular slag from being stuck between the inner ring wall of the annular groove and the annular discharge port 71, or leaking from the inner ring of the annular groove.
[0046] As a preferred solution of the present invention, the driving mechanism 41 is driven by a hydraulic motor.
[0047] It should be noted that the driving mechanism 41 is preferably, but not limited to, driven by a hydraulic motor, and may also be replaced by an electric motor or a pneumatic motor, which is not particularly limited in the present invention.
[0048] As a preferred solution of the utility model, the number of driving devices is at least two, and a transmission gear 42 is provided on the upper part of the driving mechanism 41 of each driving device; and / or; the number of supporting devices is at least two; and the supporting devices are evenly distributed on the bottom ring of the main body section 11.
[0049] There are preferably two driving mechanisms 41 which are arranged oppositely on both sides of the turntable device 1; and there are preferably six supporting devices.
[0050] As a preferred solution of the utility model, the bottoms of the inner support roller 31 and the outer support roller 42 are both detachably fixed on the concrete foundation through a support frame. The support frame can be detachably fixed on the concrete foundation by bolts.
[0051] The hot slag unloading device of the utility model is used to unload the high-temperature hot granular slag discharged from the primary cooling section of the granulation device; the steps include:
[0052] Step S1, making the high-temperature hot granular slag coming out of the annular discharge port 71 of the granulating device 7 fall onto the insulating refractory material layer 13 in the annular groove;
[0053] Step S2, the turntable device 1 is driven by the driving device 4 to continuously rotate, and drives the high-temperature hot granular slag falling on the insulating refractory material layer 13 to rotate;
[0054] Step S3, when the high-temperature hot granular slag rotates to the preset unloading position, the high-temperature hot granular slag is scraped from the outer edge of the turntable device 1 to below the unloading position by the scraper 21.
[0055] It can be seen from the above specific implementation methods that the hot slag unloading device provided by the utility model can receive the granulated high-temperature (about 800°C) hot granular slag that falls vertically at 360° from the annular discharge port of the granulation device through the structural design of the turntable device, and prevent the turntable device body from being damaged by the high-temperature hot granular slag by arranging a heat-insulating refractory material layer; the turntable device is driven to rotate by the driving device, thereby driving the hot slag that falls on the heat-insulating refractory material layer to make a circular motion, and the high-temperature hot granular slag that rotates to the preset unloading position is scraped off by the scratching plate through the design of the material guiding device, and the scraped high-temperature hot granular slag falls from the preset unloading position along the material guiding channel. At this time, it can be discharged through the unloading The unloading of the granulating device can be completed by arranging a receiving device or a storage device in advance at the material position to receive the high-temperature hot granular slag dropped from the preset unloading position. The utility model can solve the problem that in the slag granulation process, the high-temperature hot granular slag in the primary cooling section falls 360° vertically and cannot be directly received by the receiving device or the storage device, but falls directly to the ground, causing damage to the ground, and the amount of the hot slag dropped and the storage time on the ground are limited, thereby causing the granulating device to be unsuitable for the continuous production of batch granular slag. The utility model fills the gap in the field of the difficulty in unloading the high-temperature hot granular slag in the primary cooling section of about 800°C with 360° vertical drop and the lack of an effective unloading device.
[0056] As described above, the hot slag discharge device proposed according to the utility model is described in an exemplary manner with reference to the accompanying drawings. However, those skilled in the art should understand that various improvements can be made to the hot slag discharge device proposed by the utility model without departing from the content of the utility model. Therefore, the protection scope of the utility model should be determined by the content of the attached claims.
Claims
1. A hot slag unloading device, used for unloading high-temperature hot granular slag discharged from the primary cooling section of a granulating device, characterized in that: It includes a turntable device, a material guiding device, a supporting device and a driving device; wherein, The turntable device comprises a body section, an annular groove arranged at the top of the body section and a heat-insulating refractory material layer arranged at the bottom of the annular groove; the receiving port of the annular groove is opposite to the annular discharge port of the granulating device; The material guiding device comprises a sliding plate fixedly arranged at a preset unloading position, the sliding plate being arranged obliquely above the annular groove, and a material guiding channel being formed between the inclined direction of the sliding plate and the outer edge of the turntable device and the preset unloading position; a unloading chute is arranged at the preset unloading position, and a material storage device is connected to the lower end of the unloading chute; The support device comprises an inner support roller arranged at the bottom of the inner ring of the body segment and an outer support roller arranged at the bottom of the outer ring of the body segment; The driving device comprises a driving mechanism, a transmission gear sleeved on the upper part of the driving mechanism and pin teeth arranged around the outer wall of the turntable device; the transmission gear is meshed with the pin teeth.
2. The hot slag unloading device according to claim 1, characterized in that: At least two centering points located opposite to each other are arranged on the inner side wall of the turntable device; A centering device abuts at the centering point.
3. The hot slag unloading device according to claim 2, characterized in that: The centering device includes a base bracket, a centering roller, a centering roller pin, an elastic buffer mechanism, a roller frame and a roller frame pin; wherein, The centering roller is arranged vertically, and is hinged to the roller frame through the centering roller pin; the centering roller abuts against the inner side wall of the body section; The roller frame is hinged on the base bracket through the roller frame pin; the elastic buffer mechanism is connected to the inner side of the roller frame, and the centering roller is pressed tightly against the inner side wall of the body section through the roller frame.
4. The hot slag unloading device according to claim 1, characterized in that: A speed measuring device is connected to the turntable device.
5. The hot slag unloading device according to claim 4, characterized in that: The speed measuring device comprises a speed measuring gear meshing with the pin teeth and an encoder connected to the speed measuring gear; the speed measuring gear is mounted on a gear body bracket.
6. The hot slag unloading device according to claim 1, characterized in that: A clamping mechanism is provided on one side of the transmission gear; The clamping mechanism comprises a hydraulic cylinder, a piston rod of which is connected to the driving mechanism; When the piston rod of the hydraulic cylinder is in an extended state, the transmission gear on the upper part of the driving mechanism connected to the piston rod is pressed against the pin gear, and the driving mechanism drives the pin gear; When the piston rod of the hydraulic cylinder is in a retracted state, the transmission gear is disengaged from the pin gear, and the driving mechanism stops driving the pin gear.
7. The hot slag discharge device according to claim 1, characterized in that: An annular sealing structure is arranged between the inner annular wall of the annular groove and the inner annular wall of the annular feeding opening.
8. The hot slag discharge device according to claim 1, characterized in that: The driving mechanism is driven by a hydraulic motor.
9. The hot slag discharge device according to claim 1, characterized in that: There are at least two driving devices, and a transmission gear is provided on the upper part of the driving mechanism of each driving device; and / or; The number of the supporting devices is at least two; and the supporting devices are evenly distributed on the bottom ring of the body segment.
10. The hot slag discharge device according to claim 1, characterized in that: The bottoms of the inner support roller and the outer support roller are both detachably fixed on the concrete foundation through a support frame.