A spraying device for the surface anti-oxidation coating of magnesite-carbon bricks
By designing an anti-oxidation coating spraying device for magnesia-carbon bricks, and utilizing the tilting and rotation of the nozzle combined with components such as telescopic plates and enclosures, the problem of multi-faceted adjustment in magnesia-carbon brick spraying was solved, achieving a fast and efficient coating spraying effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANSHAN DONGLEI REFRACTORY MATERIALS CO LTD
- Filing Date
- 2025-08-13
- Publication Date
- 2026-08-04
AI Technical Summary
When applying an anti-oxidation coating to magnesia-carbon bricks, it is difficult to quickly spray multiple surfaces, requiring multiple adjustments, resulting in low spraying efficiency.
A spraying device for anti-oxidation coating on magnesia-carbon bricks was designed. By tilting the nozzle and rotating the magnesia-carbon bricks, the contact area between the coating and the brick is increased. The device also uses components such as telescopic plates and surrounding plates to quickly adjust and collect the sputtered coating, thereby improving the spraying efficiency.
It enables rapid multi-faceted spraying of magnesia-carbon bricks, improving spraying speed and efficiency while reducing coating splattering and cleaning time.
Smart Images

Figure CN224586150U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of magnesia-carbon brick spraying technology, specifically a magnesia-carbon brick surface anti-oxidation coating spraying equipment. Background Technology
[0002] Magnesia-carbon bricks are a type of refractory material made primarily from magnesia and graphite. They possess excellent high-temperature resistance, erosion resistance, and thermal shock resistance. They are widely used in the linings of high-temperature equipment such as converters, electric furnaces, and ladles in the iron and steel metallurgical industry. They can effectively withstand the erosion of molten metal and slag. Their unique carbon bonding system endows the material with good toughness and thermal conductivity, making them an indispensable key refractory product in modern high-temperature industries.
[0003] The production of magnesia-carbon bricks begins with mixing magnesia sand, carbonaceous materials, and other materials in a specific ratio, adding a binder and stirring to form a uniform raw material. The raw material is then shaped into brick blanks and fired at high temperatures to enhance density. Finally, an anti-oxidation coating is sprayed onto the surface of the fired bricks to complete the finished product processing.
[0004] In the production of magnesia-carbon bricks, they need to be placed on a workbench to be fully sprayed with an anti-oxidation coating. However, since each side of a magnesia-carbon brick is a different plane, it is difficult to quickly spray multiple sides during the spraying process, and the magnesia-carbon bricks need to be adjusted multiple times.
[0005] Therefore, a spraying device for anti-oxidation coating on the surface of magnesia-carbon bricks is proposed to address the above problems. Utility Model Content
[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.
[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: A magnesia-carbon brick surface anti-oxidation coating spraying device of this utility model includes a workbench, with a device cavity opened in the side wall of the workbench; a motor is fixedly connected inside the device cavity; a circular plate is fixedly connected to the output end of the motor; the circular plate is located at the top of the workbench; a vertical plate is fixedly connected to the top of the workbench; an adjustment component is provided at the top of the vertical plate; a support rod is fixedly connected to the top of the adjustment component; the middle part of the support rod is bent; a spray head is fixedly connected to the end of the support rod; a transmission pipe is connected to the side wall of the spray head; the transmission pipe is located on the side of the circular plate; the circular plate is rotatably connected to the workbench; by tilting the spray head via the support rod, the spray head can simultaneously contact multiple surfaces when spraying the coating, increasing the contact area between the coating and the magnesia-carbon brick; simultaneously, the motor drives the circular plate to rotate the magnesia-carbon brick, allowing for faster adjustment of the magnesia-carbon brick's side surface during spraying, thus accelerating contact with the coating sprayed from the spray head and increasing the spraying speed of the magnesia-carbon brick.
[0008] Preferably, the adjustment component includes a telescopic plate; the telescopic plate is slidably connected to the upright plate; adjustment holes are provided on the surfaces of the telescopic plate and the upright plate; multiple adjustment holes are provided on the telescopic plate; by adding the telescopic plate, the spray head can be quickly adjusted after different magnesia-carbon bricks are placed, so that it is always at the connection point between the two sides of the magnesia-carbon brick, thereby spraying multiple sides.
[0009] Preferably, a plurality of spring telescopic rods are fixedly connected to the middle of the circular plate; a square plate is fixedly connected to the top of the spring telescopic rods; by adding the square plate, the position of the square plate can be used to quickly determine whether the magnesia-carbon bricks need to be adjusted when placing them, thereby speeding up the placement of the magnesia-carbon bricks.
[0010] Preferably, a partition plate is fixedly connected to the top of the workbench; a baffle plate is rotatably connected to the middle of the partition plate; a collection trough is provided in the middle of the workbench; by adding a partition plate, when the nozzle sprays the magnesia-carbon bricks, the part of the coating that is splashed can be blocked by the partition plate and then collected by the collection trough, which can reduce the coating from splashing to the surrounding area.
[0011] Preferably, the enclosure is made of metal; a pair of magnets are provided on the side wall of the enclosure; a scraper is fixed to the end of the magnet; the end of the scraper is beveled; by adding a scraper, the coating on the inner wall can be quickly pushed after the spraying work is finished, thereby cleaning and speeding up the treatment of the coating.
[0012] Preferably, the inner wall of the enclosure is provided with guide grooves; multiple guide grooves are provided on the enclosure; by adding guide grooves, the convergence path can be increased when the coating moves on the enclosure, thereby quickly accelerating the movement speed towards the collection groove.
[0013] The advantages of this utility model are: 1. The anti-oxidation coating spraying equipment for magnesia-carbon bricks described in this utility model allows the nozzle to be tilted via a support rod, enabling simultaneous contact with multiple surfaces during coating application. This increases the contact area between the coating and the magnesia-carbon brick. Simultaneously, the motor drives a circular plate to rotate the magnesia-carbon brick, allowing for faster adjustment of its side profile during spraying and quicker contact with the coating sprayed from the nozzle. This, in turn, accelerates the spraying speed of the magnesia-carbon brick.
[0014] 2. The anti-oxidation coating spraying equipment for magnesia-carbon bricks described in this utility model can quickly adjust the spray head after different magnesia-carbon bricks are placed by adding a telescopic plate, so that it is always at the junction of two sides of the magnesia-carbon brick, thereby spraying multiple sides. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a schematic diagram of the main body of this utility model; Figure 2 This is a schematic diagram of the structure of the motor in this utility model; Figure 3 This is a schematic diagram of the fence structure in this utility model; Figure 4 This is a schematic diagram of the support rod in this utility model; Figure 5 This is a schematic diagram of the structure of the Chinese plate of this utility model.
[0017] In the diagram: 1. Workbench; 11. Equipment cavity; 12. Motor; 13. Circular plate; 14. Vertical plate; 15. Adjustment component; 16. Support rod; 17. Nozzle; 18. Transmission pipe; 2. Telescopic plate; 21. Adjustment hole; 3. Spring telescopic rod; 31. Square plate; 4. Enclosure; 41. Baffle; 42. Collection trough; 5. Magnet; 51. Scraper; 6. Guide trough. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.
[0019] Specific implementation examples are given below.
[0020] like Figures 1 to 5As shown in the embodiment of this utility model, a magnesia-carbon brick surface anti-oxidation coating spraying device includes a workbench 1, with a device cavity 11 formed in the side wall of the workbench 1; a motor 12 is fixedly connected inside the device cavity 11; a circular plate 13 is fixedly connected to the output end of the motor 12; the circular plate 13 is located at the top of the workbench 1; a vertical plate 14 is fixedly connected to the top of the workbench 1; an adjustment component 15 is provided at the top of the vertical plate 14; a support rod 16 is fixedly connected to the top of the adjustment component 15; the middle part of the support rod 16 is bent; a spray head 17 is fixedly connected to the end of the support rod 16; a transmission pipe 18 is connected to the side wall of the spray head 17; the transmission pipe 18 is located on the side of the circular plate 13; the circular plate 13 is rotatably connected to the workbench 1; during operation, when spraying the magnesia-carbon brick, the magnesia-carbon brick is first placed in the middle of the circular plate 13, and then the transmission pipe 18 is connected to the hopper through a pump to make it... The coating is transferred to the inside of the nozzle 17 and sprayed onto the surface of the magnesia-carbon brick. During spraying, the support rod 16 is bent in the middle, so the coating falls onto the sides and top of the magnesia-carbon brick after spraying. Then, the motor 12 is started to drive the circular plate 13 to rotate slowly. As the circular plate 13 rotates, it drives the magnesia-carbon brick to rotate as well. During rotation, the other sides of the magnesia-carbon brick are adjusted to one side of the nozzle 17, so that the sprayed coating can come into contact with the magnesia-carbon brick. This allows for rapid multi-sided spraying of the magnesia-carbon brick. By tilting the nozzle 17 with the support rod 16, the nozzle 17 can contact multiple surfaces simultaneously when spraying the coating, increasing the contact area between the coating and the magnesia-carbon brick. At the same time, the motor 12 drives the circular plate 13 to rotate the magnesia-carbon brick, which can more quickly adjust the sides of the magnesia-carbon brick during spraying, making it come into contact with the coating sprayed by the nozzle 17 more quickly, thereby speeding up the spraying speed of the magnesia-carbon brick.
[0021] like Figures 1 to 4 As shown, the adjustment component 15 includes a telescopic plate 2; the telescopic plate 2 is slidably connected to the upright plate 14; adjustment holes 21 are provided on the surfaces of the telescopic plate 2 and the upright plate 14; multiple adjustment holes 21 are provided on the telescopic plate 2; during operation, the telescopic plate 2 can be stretched to extend inside the upright plate 14 when the magnesia-carbon bricks are at different heights, which will raise and lower the nozzle 17. After adjustment, the pin is inserted into the corresponding adjustment hole 21 to fix the telescopic plate 2, thereby adapting to different magnesia-carbon bricks; by adding the telescopic plate 2, the nozzle 17 can be quickly adjusted after different magnesia-carbon bricks are placed, so that it is always at the connection point between the two sides of the magnesia-carbon brick, thereby spraying multiple sides.
[0022] like Figures 3 to 5As shown, a plurality of spring telescopic rods 3 are fixedly connected to the middle of the circular plate 13; a square plate 31 is fixedly connected to the top of the spring telescopic rods 3; during operation, when placing magnesia-carbon bricks, they can contact the square plate 31. After contact, the square plate 31 will be pushed down, at which time the spring telescopic rods 3 will be compressed. When the magnesia-carbon bricks completely cover the square plate 31, there is no need to adjust the position. The spraying range of the nozzle 17 will include these minor positional offsets. By adding the square plate 31, the position of the square plate 31 can be used to quickly determine whether the magnesia-carbon bricks need to be adjusted when placing them, thereby speeding up the placement of the magnesia-carbon bricks.
[0023] like Figures 1 to 3 As shown, a partition plate 4 is fixedly connected to the top of the workbench 1; a baffle plate 41 is rotatably connected to the middle of the partition plate 4; a collection trough 42 is provided in the middle of the workbench 1; during operation, after the coating is sprayed by the nozzle 17, some of the coating will splash when it comes into contact with the magnesia-carbon brick. At this time, the partition plate 4 will block these splashed liquids, allowing them to slide down along the inner wall of the partition plate 4 and be collected in the collection trough 42. Then, the baffle plate 41 can be opened to process these coatings. By adding the partition plate 4, when the nozzle 17 sprays the magnesia-carbon brick, the partition plate 4 can block some of the splashed coating, and then collect it through the collection trough 42, which can reduce the coating from splashing to the surrounding area.
[0024] like Figures 1 to 2 As shown, the enclosure 4 is made of metal; a pair of magnets 5 are provided on the side wall of the enclosure 4; a scraper 51 is fixed to the end of the magnet 5; the end of the scraper 51 is set with an inclined surface; during operation, after the spraying is finished, the magnet 5 can be placed inside the enclosure 4 and then the scraper 51 can be pushed to move. When moving, the inclined surface at the end of the scraper 51 will move the coating attached to the inner wall of the enclosure 4 quickly, making it move downward faster; by adding the scraper 51, the coating on the inner wall can be quickly pushed after the spraying work is finished, thereby cleaning and speeding up the treatment of the coating.
[0025] like Figures 1 to 3 As shown, the inner wall of the enclosure 4 is provided with guide grooves 6; there are multiple guide grooves 6 on the enclosure 4; during operation, when the coating comes into contact with the enclosure 4, part of the coating will enter the interior of the guide grooves 6, causing it to converge, thereby increasing its own gravity and accelerating its downward movement speed; by adding guide grooves 6, the convergence path can be increased when the coating moves on the enclosure 4, thereby quickly accelerating the movement speed towards the collection tank 42.
[0026] Working principle: When spraying magnesia-carbon bricks, the magnesia-carbon bricks are first placed in the middle of the circular plate 13. Then, the transfer pipe 18 is connected to the material hopper through a pump to transfer the coating to the inside of the nozzle 17 for spraying onto the surface of the magnesia-carbon bricks. During spraying at the nozzle 17, because the support rod 16 is bent in the middle, the coating will fall onto the sides and top of the magnesia-carbon bricks after spraying. Then, the motor 12 is started to drive the circular plate 13 to rotate slowly. As the circular plate 13 rotates, it will drive the magnesia-carbon bricks to rotate. During rotation, the other sides of the magnesia-carbon bricks will be adjusted to one side of the nozzle 17, so that the sprayed coating can come into contact with the magnesia-carbon bricks, thus quickly spraying multiple sides of the magnesia-carbon bricks. When the magnesia-carbon bricks are at different heights, the telescopic plate 2 can be stretched to extend inside the vertical plate 14. During extension, the nozzle 17 will be raised and lowered. After adjustment, the pin is inserted into the corresponding adjustment hole 21 to fix the telescopic plate 2, thus adapting to different magnesia-carbon bricks. When placing the magnesia-carbon brick, it can contact the square plate 31. After contact, the square plate 31 will be pushed down. At this time, the spring telescopic rod 3 will be compressed. When the magnesia-carbon brick completely covers the square plate 31, no position adjustment is needed. The spraying range of the nozzle 17 will include these minor positional offsets. After the nozzle 17 sprays the coating, some of the coating will splash when it contacts the magnesia-carbon brick. At this time, the baffle 4 will block these splashed liquids, allowing them to slide down the inner wall of the baffle 4 and into the collection tank 42 for collection. Then, the baffle 41 can be opened to process these coatings. After the spraying is finished, the magnet 5 can be placed inside the baffle 4 and the scraper 51 can be pushed to move. During the movement, the inclined surface at the end of the scraper 51 will move the coating attached to the inner wall of the baffle 4 quickly, making it move down faster. When the coating contacts the baffle 4, some of the coating will enter the guide groove 6, where it will converge, thereby increasing its own gravity and making it move down faster.
[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A spraying device for applying an anti-oxidation coating to the surface of magnesia-carbon bricks, characterized in that: The device includes a workbench (1), with a device cavity (11) on the side wall of the workbench (1); a motor (12) is fixedly connected inside the device cavity (11); a circular plate (13) is fixedly connected to the output end of the motor (12); the circular plate (13) is located on the top of the workbench (1); a vertical plate (14) is fixedly connected to the top of the workbench (1); an adjustment component (15) is provided on the top of the vertical plate (14); a support rod (16) is fixedly connected to the top of the adjustment component (15); the support rod (16) is bent in the middle; a nozzle (17) is fixedly connected to the end of the support rod (16); a transmission pipe (18) is connected to the side wall of the nozzle (17); the transmission pipe (18) is located on the side of the circular plate (13); the circular plate (13) is rotatably connected to the workbench (1).
2. The anti-oxidation coating spraying equipment for magnesia-carbon bricks according to claim 1, characterized in that: The adjustment component (15) includes a telescopic plate (2); the telescopic plate (2) is slidably connected to the upright plate (14); adjustment holes (21) are provided on the surfaces of the telescopic plate (2) and the upright plate (14); multiple adjustment holes (21) are provided on the telescopic plate (2).
3. The anti-oxidation coating spraying equipment for magnesia-carbon bricks according to claim 2, characterized in that: Multiple spring telescopic rods (3) are fixedly connected to the middle of the circular plate (13); a square plate (31) is fixedly connected to the top of the spring telescopic rods (3).
4. The anti-oxidation coating spraying equipment for magnesia-carbon bricks according to claim 3, characterized in that: The workbench (1) is fixed to the top of a partition plate (4); a baffle plate (41) is rotatably connected to the middle of the partition plate (4); and a collection trough (42) is provided in the middle of the workbench (1).
5. The anti-oxidation coating spraying equipment for magnesia-carbon bricks according to claim 4, characterized in that: The enclosure (4) is made of metal; a pair of magnets (5) are provided on the side wall of the enclosure (4); a scraper (51) is fixed to the end of the magnet (5); the end of the scraper (51) is set with an inclined surface.
6. The anti-oxidation coating spraying equipment for magnesia-carbon bricks according to claim 5, characterized in that: The inner wall of the enclosure (4) is provided with guide grooves (6); there are multiple guide grooves (6) on the enclosure (4).