Boiler slag conveyor with protective structure and using method of boiler slag conveyor

Abstract

The invention relates to the technical field of slag salvaging machines, and discloses a boiler slag salvaging machine with a protection structure and a using method thereof.The boiler slag salvaging machine with the protection structure comprises a protection shell, a rotating rod, a baffle and a sliding plate, the protection shell is arranged at the top of a slag salvaging machine body in a sliding mode, and the protection shell is installed on the slag salvaging machine body in a sliding mode; opening and closing of the protective shell can be adjusted according to actual needs, and accidents caused by accidental touch of operators or property loss caused by the fact that sundries fall into the submerged chain conveyor are avoided. Then, a locking mechanism is provided for the protective shell through the combined design of the rotating rod and the baffle, it is ensured that the baffle can be stably kept at a specific position when the submerged chain conveyor works, and the operation flexibility and the structural stability are improved; in addition, the sliding groove is formed in the inner side of the slag conveyor body, the sliding plate is arranged in the sliding groove in a sliding mode, when the slag conveyor moves back, slag adhering to the surface can fall on the sliding plate, the interior of the slag conveyor is prevented from being polluted, and the cleaning difficulty of the slag conveyor is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of slag scooping machines, and in particular relates to a boiler slag scooping machine with a protective structure and a use method thereof. Background Art

[0002] Boiler slag remover, as a cleaning device designed specifically for boilers, has the core function of efficiently removing the accumulated slag in the boiler, ensuring that the boiler system can maintain a stable operating state and extend its service life. This equipment is not only essential for maintaining the normal operation of the boiler, but also protects the environment and prevents pollution. In modern industrial production, boiler slag remover has become one of the indispensable equipment.

[0003] However, the boiler slag removers currently circulating on the market have exposed some significant problems during actual operation.

[0004] 1. Traditional boiler slag scoop machines often lack necessary surface protection devices. This design defect may cause operators to face safety risks or even accidents due to accidental touch during operation. At the same time, external debris may accidentally fall into the slag scoop machine, causing equipment damage or production interruption, thereby increasing the risk of accidents and property losses.

[0005] 2. At present, when most boiler slag scoop machines are in use, the rotating conveyor belt moves back after conveying the slag. Since the conveyor belt surface faces downward, the slag attached to it is easy to fall off and fall into the slag scoop machine during the return journey. This phenomenon not only increases the difficulty of cleaning the equipment, but also may cause unnecessary wear and tear on the mechanical parts of the slag scoop machine. Long-term accumulation will significantly affect the operating efficiency and life of the equipment, and also increase the workload of daily maintenance and cleaning. Therefore, solving the problem of slag falling and cleaning is crucial to improving the overall performance of the boiler slag scoop machine. Summary of the invention

[0006] The purpose of the present invention is to overcome the above-mentioned problems and provide a boiler slag scoop machine with a protective structure and a method of using the same, so as to avoid the safety risks faced by the operator during the operation of the slag scoop machine, and at the same time solve the problem of slag falling and difficulty in cleaning.

[0007] In order to achieve the above object, the present invention adopts the following technical solution: In a first aspect, the present invention provides a boiler slag scooping machine with a protective structure, comprising a slag scooping machine body, a protective shell is slidably provided on the top of the slag scooping machine body, a clamping column is fixedly provided on the surface of the slag scooping machine body, a rotating rod is rotatably connected to the inner side of the clamping column, the rotating rod passes through the protective shell and a baffle is fixedly provided at the end point, a first through hole is opened on the surface of the baffle, and a plug rod is inserted into the inner side of the first through hole; A slide groove is provided inside the main body of the slag scooper, and a slide plate is slidably arranged inside the slide groove.

[0008] A further improvement of the present invention is that the end point of the insertion rod passes through a fixing plate, and the fixing plate is fixedly arranged on the main body of the slag scooping machine.

[0009] A further improvement of the present invention is that a retaining ring is fixedly provided on the other end of the insertion rod.

[0010] A further improvement of the present invention is that a spring is fixedly connected to the surface of the retaining ring, and the other end of the spring is fixedly connected to a fixing plate.

[0011] A further improvement of the present invention is that a second through hole is opened on the surface of the slag scooping machine body, and an insert block is inserted into the inner side of the second through hole.

[0012] A further improvement of the present invention is that a sealing plate is fixedly provided on the surface of the insert block.

[0013] A further improvement of the present invention is that the surface of the sealing plate is fixedly connected to a clamping plate, and the inner side of the clamping plate is connected to a pull rod via a rotating shaft.

[0014] A further improvement of the present invention is that one end of the slag scooping machine body is fixedly connected to the collecting box, and the other end of the slag scooping machine body is fixedly connected to the slag outlet.

[0015] A further improvement of the present invention is that a conveyor belt is installed inside the main body of the slag scoop machine, and a scraper is fixedly provided on the surface of the conveyor belt.

[0016] In a second aspect, the present invention further provides a method for using a boiler slag scooping machine with a protective structure, comprising the following steps: S1, when the slag remover needs to work, the protective shell is pushed inward, and the rotating rod is rotated until the insertion rod is inserted into the first through hole to fix the protective shell so that it will not slide out; S2, when the slag scoop machine needs to be repaired, the rotating rod is rotated to make it concentric with the clamping column, and the protective shell is opened outward for maintenance; S3, when the slag remover needs to be cleaned, the slide plate is pulled out from the chute at the bottom of the slag remover to clean the slag on the surface of the slide plate.

[0017] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a boiler slag scooping machine with a protective structure. By slidingly setting a protective shell on the top of the slag scooping machine body, it is possible to prevent an operator from causing an accident due to accidental contact or debris falling into the slag scooping machine to cause property loss. The protective shell is installed on the slag scooping machine body in a sliding manner, and the opening and closing of the protective shell can be adjusted according to actual needs, which is convenient for daily maintenance and overhaul of the equipment; and a clamping column is fixedly set on the surface of the slag scooping machine body, and a rotating rod is rotatably connected to the inner side of the clamping column. The rotating rod passes through the protective shell and a baffle is fixedly set at the end point. The combined design of the rotating rod and the baffle can adjust the position of the baffle by rotating the rotating rod. A first through hole is provided on the surface of the baffle. The first through hole and the insertion rod are provided to provide a locking mechanism for the protective shell, ensuring that the baffle can be firmly maintained at a specific position when the slag scooping machine is working, thereby increasing the flexibility of operation and the stability of the structure; in addition, a slide groove is provided on the inner side of the slag scooping machine body, and a slide plate is slidably provided inside the slide groove, so that when the slag scooping machine moves back, the slag adhered to the surface falls on the slide plate, thereby avoiding contamination of the interior of the slag scooping machine and reducing the difficulty of cleaning the slag scooping machine.

[0018] Furthermore, a retaining ring is fixedly provided at the other end of the insertion rod, a spring is fixedly connected to the surface of the retaining ring, and the other end of the spring is fixedly connected to the fixing plate. The spring, as an elastic element, has good vibration absorption and buffering capabilities, and the tension of the spring can ensure that the retaining ring and the insertion rod are not easy to fall off or loosen during the connection process, thereby improving the stability and safety of the connection; at the same time, when the insertion rod is inserted into the fixing plate, the tension of the spring can help to fix the retaining ring and the insertion rod tightly on the fixing plate without the need for additional fasteners or tools.

[0019] Furthermore, a sealing plate is fixedly provided on the surface of the plug block. The setting of the sealing plate ensures a close fit between the slide plate and the slag scoop machine body during sliding, effectively preventing slag or dust from leaking to the outside of the slag scoop machine, maintaining a clean working environment, and also reducing potential damage to surrounding equipment caused by slag.

[0020] Furthermore, the surface of the sealing plate is fixedly connected to a splint, and the inner side of the splint is connected to a pull rod via a rotating shaft. The design of the pull rod makes the sliding plate pulling-out operation more flexible. At the same time, the pull rod is connected to the inner side of the splint via a rotating shaft. This design enables the pull rod to swing and rotate flexibly, thereby meeting the flexibility requirements of the sliding plate pulling-out operation.

[0021] Furthermore, one end of the slag scraper body is fixedly connected to the collecting box, and the other end of the slag scraper body is fixedly connected to the slag outlet. The provision of the collecting box enables the slag cleaned out from the slag scraper body to accumulate in an orderly manner, avoiding environmental pollution and increased difficulty in cleaning caused by the slag scattering, which not only improves the cleanliness of the work site, but also facilitates the subsequent centralized treatment and reuse of the slag; the design of the slag outlet disperses the discharge points of the slag, effectively preventing the slag from being too concentrated when leaving the slag scraper, thereby reducing the risk of blockage at the slag outlet, ensuring that the slag scraper works continuously and stably, improving the operating efficiency and reliability of the equipment, and greatly improving the practicability of the slag scraper through the reasonable layout of the collecting box and the slag outlet.

[0022] Furthermore, a conveyor belt is installed on the inner side of the slag removal machine body, and a scraper is fixed on the surface of the conveyor belt. The scraper can effectively scrape and disperse the slag, avoiding the accumulation of slag during the transportation process. This not only ensures that the slag can be evenly distributed and improves the transportation capacity of the conveyor belt, but also reduces the risk of conveyor belt overload caused by accumulation and extends the service life of the conveyor belt. Secondly, through the continuous action of the scraper, the slag can be continuously and smoothly transported to the collection box, avoiding transportation interruption or deceleration caused by accumulation, thereby significantly improving the overall transportation efficiency of the slag removal machine.

[0023] The present invention also provides a method for using a boiler slag remover with a protective structure. When the slag remover needs to work, the protective shell is pushed inward, and the rotating rod is rotated until the insertion rod is inserted into the first through hole to fix the protective shell so that it will not slide out, thereby preventing it from accidentally sliding out or loosening, thereby avoiding safety hazards. When the slag remover needs to be repaired, the rotating rod is rotated so that it is concentric with the clamping column, and the protective shell is opened outward for repair, which not only improves the maintenance efficiency but also ensures the safety during the maintenance process. When the slag remover needs to be cleaned, the slide plate is pulled out of the slide groove at the bottom of the slag remover to clean the slag on the surface of the slide plate without entering the interior of the slag remover for tedious cleaning work. The method of use can fix, open and clean the protective shell and the slide plate through simple pushing, rotating and pulling actions, which greatly simplifies the operation process of the slag remover and reduces the difficulty of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings described herein are only for explanation purposes and are not intended to limit the scope of the present invention in any way. In addition, the shapes and proportional dimensions of the various components in the drawings are only schematic, used to help understand the present invention, and are not intended to specifically limit the shapes and proportional dimensions of the various components of the present invention.

[0025] Figure 1 It is a schematic diagram of the overall structure of a boiler slag scooping machine with a protective structure according to the present invention; Figure 2 For the present invention Figure 1A schematic diagram of the structure enlargement of part A; Figure 3 It is a schematic diagram of the scraper structure of the boiler slag scooping machine with a protective structure of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the structure of part B in the middle is enlarged; Figure 5 It is a schematic diagram of the slide plate structure of the boiler slag scooping machine with a protective structure of the present invention; Figure 6 The figure is a schematic diagram of the plug plate structure of the boiler slag scooping machine with a protective structure according to the present invention.

[0026] Among them: 1. Slag scoop machine body; 2. Protective shell; 3. Collecting box; 4. Slag outlet; 5. Clamping column; 6. Rotating rod; 7. Baffle; 8. First perforation; 9. Fixed plate; 10. Retaining ring; 11. Inserting rod; 12. Spring; 13. Second perforation; 14. Slide; 15. Slide plate; 16. Clamping plate; 17. Inserting block; 18. Sealing plate; 19. Pull rod; 20. Scraper; 21. Conveyor belt. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] In the description of the embodiments of the present invention, it should be noted that if the terms "upper", "lower", "horizontal", "inner", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the invention is usually placed when in use, it is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0031] In addition, if the term "horizontal" appears, it does not mean that the component must be absolutely horizontal, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", which does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of the embodiments of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The present invention is further described in detail below in conjunction with the accompanying drawings: like Figure 1 As shown, an embodiment of the present invention provides a boiler slag scoop machine with a protective structure, comprising a slag scoop machine body 1, a protective shell 2, a collecting box 3 and a slag outlet 4, wherein one end of the slag scoop machine body 1 is fixedly connected to the collecting box 3, and the other end of the slag scoop machine body 1 is fixedly connected to the slag outlet 4. The arrangement of the collecting box 3 enables the slag cleaned out from the slag scoop machine body 1 to accumulate in an orderly manner, thereby avoiding environmental pollution and increased cleaning difficulty caused by the slag scattering, which not only improves the cleanliness of the work site, but also facilitates the subsequent centralized treatment and reuse of the slag; the design of the slag outlet 4 disperses the discharge points of the slag, effectively preventing the slag from being too concentrated when leaving the slag scoop machine, thereby reducing the risk of clogging the slag outlet 4, and can ensure that the slag scoop machine works continuously and stably, improves the operating efficiency and reliability of the equipment, and through the reasonable layout of the collecting box 3 and the slag outlet 4, the practicality of the slag scoop machine is greatly improved.

[0034] like Figure 2As shown, a conveyor belt 21 is installed on the inner side of the slag removal machine body 1, and a scraper 20 is fixedly arranged on the surface of the conveyor belt 21. The scraper 20 fits tightly to the surface of the conveyor belt 21. As the conveyor belt 21 moves, the scraper 20 can effectively scrape and disperse the slag, thereby avoiding the accumulation of slag during the transportation process. This not only ensures that the slag can be evenly distributed and improves the transportation capacity of the conveyor belt 21, but also reduces the risk of overloading of the conveyor belt 21 due to accumulation, thereby extending the service life of the conveyor belt 21; secondly, through the continuous action of the scraper 20, the slag can be continuously and smoothly transported to the collecting box 3, thereby avoiding transportation interruption or deceleration caused by accumulation, thereby significantly improving the overall transportation efficiency of the slag removal machine.

[0035] like Figure 3 and Figure 4 As shown, a clamping column 5 is fixedly provided on the surface of the slag recovery machine body 1, and a rotating rod 6 is rotatably connected to the inner side of the clamping column 5 through a rotating shaft. The rotating rod 6 passes through the protective shell 2 and a baffle 7 is fixedly provided at the end point. The slag recovery machine body 1 and the clamping column 5 are fixedly connected. This connection method ensures the stability of the clamping column 5 on the slag recovery machine body 1 and is not prone to loosening or displacement, thereby ensuring the stability of the entire structure; the inner side of the clamping column 5 and the rotating rod 6 are rotatably connected through a rotating shaft. This connection method allows the rotating rod 6 to rotate freely within a certain range while maintaining a reliable connection with the clamping column 5, which increases flexibility and ensures the strength of the connection; the rotating rod 6 passes through the protective shell 2 and a baffle 7 is fixedly provided at the end point. This design enables the baffle 7 to play a blocking or limiting role when needed.

[0036] like Figure 5 and Figure 6 As shown, a second through hole 13 is provided on the surface of the slag scooping machine body 1, and an insert block 17 is inserted into the inner side of the second through hole 13. A sealing plate 18 is fixedly provided on the surface of the insert block 17. The sealing plate 18 on the insert block 17 ensures that the slide plate 15 is tightly fitted with the slag scooping machine body 1 during the sliding process, effectively preventing slag or dust from leaking to the outside of the slag scooping machine, maintaining a clean working environment, and also reducing the potential damage of slag to surrounding equipment; the surface of the sealing plate 18 is fixedly connected to the clamping plate 16, and the inner side of the clamping plate 16 is connected to the pull rod 19 through a rotating shaft. The design of the pull rod 19 makes the slide plate 15 The extraction operation is more flexible; a slide plate 15 is fixedly connected to the side of the plug block 17, and the slide plate 15 is slidably arranged in the slide groove 14, and the slide groove 14 is arranged on the inner side of the slag picker body 1. By arranging a sliding slide plate 15 at the bottom of the slag picker, the slag on the surface of the conveyor belt 21 will fall on the surface of the slide plate 15, and the operator can complete the slag cleaning work without disassembling the entire slag picker; when cleaning is needed, only the pull rod 19 needs to be pulled to pull the slide plate 15 out from the bottom of the slag picker to clean the slag on its surface, which reduces the cleaning difficulty of the slag picker and significantly shortens the time required for cleaning.

[0037] How it works When the device is transporting slag, the slag falls onto the conveyor belt 21. The scraper 20 structure is provided to prevent the slag from accumulating during transportation, which greatly improves the transportation efficiency of the device. The slag is then transported out through the slag outlet 4. The slag outlet 4 prevents the slag from being concentrated when it is separated from the slag scooping machine, which greatly improves the practicality of the device. When the device needs to be repaired, the protective shell 2 can be opened by simply pulling the insertion rod 11 and easily rotating the rotating rod 6 so that it is concentric with the clamping column 5, which is convenient for maintenance. When closing, the protective shell 2 is pushed inward. Then rotate the rotating rod 6 until the insertion rod 11 is inserted into the first through hole 8 under the action of the spring 12 to fix the protective shell 2 so that it will not slide out, prevent debris from falling, and greatly improve the safety protection of the device. In addition, through the provided slide plate 15 structure, a pull-out slide plate 15 structure is installed at the bottom of the boiler slag remover by sliding, and the slag on the surface of the conveyor belt 21 will fall on the surface of the slide plate 15. When cleaning is needed, it only takes pulling rod 19 to pull out the slide plate 15 to clean the slag on its surface, which greatly reduces the cleaning difficulty of the device.

[0038] The embodiment of the present invention also provides a method for using a boiler slag scooping machine with a protective structure, comprising the following steps: S1, when the slag scoop machine needs to work, push the protective shell 2 inward, rotate the rotating rod 6 until the insertion rod 11 is inserted into the first through hole 8 to fix the protective shell 2 so that it will not slide out; S2, when the slag scoop machine needs to be repaired, the rotating rod 6 is rotated to make it concentric with the clamping column 5, and the protective shell 2 is opened outward for maintenance; S3, when the slag remover needs to be cleaned, the slide plate 15 is pulled out from the chute 14 at the bottom of the slag remover to clean the slag on the surface of the slide plate 15.

[0039] This method of use can start, maintain and clean the slag remover by simply pushing the protective shell 2 inward, rotating the rotating rod 6 and pulling out the slide plate 15, without the need for complicated operating procedures or professional tools, greatly reducing the difficulty of operation and time cost, and improving work efficiency; secondly, the design of the protective shell 2 provides a solid protective layer for the slag remover, which can effectively prevent damage caused by slag splashing or accidental touch. At the same time, the close fit between the insertion rod 11 and the first perforation 8 ensures the stability of the protective shell 2 during operation, avoids safety hazards caused by shaking or vibration, and provides a safer working environment for operators; in addition, the design of the slide plate 15 enables the slag to be easily extracted from the chute 14 and processed centrally, avoiding the problems of scattering and difficulty in collection that may be encountered in traditional cleaning methods. This design not only simplifies the cleaning process, but also improves the cleaning efficiency, making maintenance work more flexible and efficient.

[0040] Many embodiments and many applications beyond the examples provided will be apparent to those skilled in the art upon reading the above description. Therefore, the scope of the present teachings should not be determined with reference to the above description, but rather with reference to the preceding claims and the full scope of equivalents to which such claims are entitled. For the purpose of comprehensiveness, all articles and references, including disclosures of patent applications and publications, are incorporated herein by reference. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to be a disclaimer of such subject matter, nor should it be considered that the applicants did not consider such subject matter to be part of the disclosed inventive subject matter.

[0041] The above content is a further detailed description of the present invention. It cannot be determined that the specific implementation methods of the present invention are limited to these. For ordinary technicians in the technical field to which the present invention belongs, without departing from the concept of the present invention, they can also make several simple deductions or substitutions, which should be regarded as belonging to the protection scope of the present invention determined by the submitted claims.

Claims

1. A boiler slag scooping machine with a protective structure, characterized in that: The slag scoop machine comprises a main body (1), a protective shell (2) is slidably provided on the top of the main body (1), a clamping column (5) is fixedly provided on the surface of the main body (1), a rotating rod (6) is rotatably connected to the inner side of the clamping column (5), the rotating rod (6) passes through the protective shell (2) and a baffle (7) is fixedly provided at the end point, a first through hole (8) is opened on the surface of the baffle (7), and an insertion rod (11) is inserted into the inner side of the first through hole (8); A slide groove (14) is provided on the inner side of the slag scooping machine body (1), and a slide plate (15) is slidably arranged inside the slide groove (14).

2. The boiler slag scooping machine with a protective structure according to claim 1, characterized in that: The end point of the insertion rod (11) passes through a fixing plate (9), and the fixing plate (9) is fixedly arranged on the slag scooping machine body (1).

3. The boiler slag scooping machine with a protective structure according to claim 2, characterized in that: A retaining ring (10) is fixedly provided on the other end of the insertion rod (11).

4. The boiler slag scooping machine with a protective structure according to claim 3, characterized in that: A spring (12) is fixedly connected to the surface of the retaining ring (10), and the other end of the spring (12) is fixedly connected to the fixing plate (9).

5. The boiler slag scooping machine with a protective structure according to claim 1, characterized in that: A second through hole (13) is provided on the surface of the slag scooping machine body (1), and an insert block (17) is inserted into the inner side of the second through hole (13).

6. The boiler slag scooping machine with a protective structure according to claim 5, characterized in that: A sealing plate (18) is fixedly arranged on the surface of the insert block (17).

7. The boiler slag scooping machine with a protective structure according to claim 6, characterized in that: The surface of the sealing plate (18) is fixedly connected to the clamping plate (16), and the inner side of the clamping plate (16) is connected to the pull rod (19) via a rotating shaft.

8. The boiler slag scooping machine with a protective structure according to claim 1, characterized in that: One end of the slag scooping machine body (1) is fixedly connected to a collecting box (3), and the other end of the slag scooping machine body (1) is fixedly connected to a slag outlet (4).

9. The boiler slag scooping machine with a protective structure according to claim 1, characterized in that: A conveyor belt (21) is installed inside the slag scooping machine body (1), and a scraper (20) is fixedly arranged on the surface of the conveyor belt (21).

10. A method for using a boiler slag scooping machine with a protective structure, characterized in that: The following steps are involved: S1, when the slag scoop machine needs to work, the protective shell (2) is pushed inward, and the rotating rod (6) is rotated until the insertion rod (11) is inserted into the first through hole (8), so that the protective shell (2) can be fixed so that it will not slide out; S2, when the slag scoop machine needs to be repaired, the rotating rod (6) is rotated so that it is in a concentric state with the clamping column (5), and the protective shell (2) is opened outward to carry out the repair; S3, when it is necessary to clean the slag remover, the slide plate (15) is pulled out from the chute (14) at the bottom of the slag remover, and the slag on the surface of the slide plate (15) is cleaned.

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