A cinder ramming machine cinder ramming plug positioning device

Abstract

The present application relates to the technical field of slag stopper positioning, in particular to a slag stopper positioning device for a slag stopper, comprising a positioning mechanism; the positioning mechanism comprises a mounting ring, the inner wall of the mounting ring is fixedly provided with a connecting ring, the inner wall of the connecting ring is fixedly provided with four mounting rods in a circumferential array, the end of the four mounting rods away from the connecting ring is fixedly provided with a center ring, the upper surface of the mounting ring is provided with a plurality of mounting holes in a circumferential array, and the mounting ring is fixed on the track of the running path of the slag stopper through a plurality of anchor bolts penetrating through the mounting holes during installation; by arranging the positioning mechanism, the slag stopper can be stopped only by contacting the mounting ring when the slag stopper moves, so that the purpose of accurate positioning of the slag stopper is achieved, and manual visual judgment is not needed, which not only eliminates the interference of environmental factors such as light and smoke on positioning, but also greatly shortens the positioning adjustment time and improves the work efficiency.

Description

Technical Field

[0001] This invention relates to the field of slag stopper positioning technology, and in particular to a slag stopper positioning device for a slag stopper machine. Background Technology

[0002] A slag catcher is a specialized piece of equipment used in the metallurgical industry to prevent slag from flowing into the ladle (or molten iron) along with the molten steel (or molten iron) during the tapping process. Its core purpose is to improve the purity of the molten steel, protect the refractory materials, and ensure the quality of smelting.

[0003] During the slag-blocking operation of the slag-blocking machine, the positioning of the slag-blocking plug relies entirely on manual visual judgment. Before the slag-blocking machine moves, operators must visually observe the installation position of the slag-blocking plug and adjust its angle and positional accuracy based on experience. After the slag-blocking machine starts and enters the converter, it is necessary to visually calibrate again in the confined space to ensure that the slag-blocking plug is aligned with the converter taphole. This method of positioning, relying on manual visual inspection, is easily affected by factors such as ambient light, smoke, and the operator's viewing angle, leading to positioning deviations of the slag-blocking plug. Repeated adjustments due to inaccurate positioning not only prolong the converter tapping preparation time but also reduce production efficiency.

[0004] Therefore, the present invention provides a positioning device for the slag-blocking plug of a slag-blocking machine. Summary of the Invention

[0005] The purpose of this invention is to solve at least one technical problem mentioned in the background art.

[0006] This invention provides a positioning device for a slag-blocking plug of a slag-blocking machine, including a positioning mechanism;

[0007] The positioning mechanism includes a mounting ring, a connecting ring fixed to the inner wall of the mounting ring, four mounting rods fixed in a circular array on the inner wall of the connecting ring, a central ring fixed to the end of the four mounting rods away from the connecting ring, and a number of mounting holes opened in a circular array on the upper surface of the mounting ring. During installation, the mounting ring is fixed to the track of the slag blocker's travel path by a number of anchor bolts passing through the number of mounting holes.

[0008] Preferably, an alarm mechanism is provided above the positioning mechanism. The alarm mechanism includes a column fixed to the inner wall of the central ring and a rectangular box fixed to the top of the column. A sliding plate is slidably provided on the inner wall of the rectangular box, and three buffer columns are fixed on the surface of the sliding plate.

[0009] By adopting the above technical solution, the movement of the slag-blocking machine can be buffered when the slag-blocking plug is about to reach the tapping point after entering the furnace.

[0010] Preferably, the other end of each of the three buffer pillars extends to the outer surface of the rectangular box and is fixedly provided with a push plate, and the side of the rectangular box is provided with three sliding holes for the three buffer pillars to slide. The surface of each buffer pillar is fitted with a buffer spring, and the two ends of the buffer spring are fixedly connected to the inner side wall of the rectangular box and the surface of the sliding plate, respectively.

[0011] By adopting the above technical solution, the slide plate can be easily reset under the action of the buffer spring.

[0012] Preferably, a limit switch is provided on the side of the rectangular box, the trigger end of the limit switch extends into the interior of the rectangular box, and a first alarm light electrically connected to the limit switch is fixed on the upper surface of the rectangular box.

[0013] By adopting the above technical solution, when the slag-blocking plug reaches the steel tapping port position inside the furnace, the sliding plate contacts the limit switch, and the limit switch automatically controls the first alarm light to illuminate, reminding personnel to stop the movement of the slag-blocking machine.

[0014] Preferably, the alarm mechanism further includes a sealed box fixed to the lower surface of the rectangular box, the outer surface of the slide plate is covered with a rubber sleeve, and the middle of the slide plate and the right inner cavity of the rectangular box is filled with conductive liquid. The right inner wall of the rectangular box is fixed with a liquid guide tube extending to the outer surface of the rectangular box, and the other end of the liquid guide tube extends to the inner bottom of the sealed box.

[0015] By adopting the above technical solution, the conductive liquid inside the rectangular box can be automatically driven into the sealed box through the liquid guide tube by the movement of the slide plate.

[0016] Preferably, two second alarm lights and two third alarm lights are fixedly mounted on the upper surface of the rectangular box from left to right, and the two second alarm lights are green and the two third alarm lights are red.

[0017] By adopting the above technical solution, when the two green second alarm lights are lit, it is used to remind personnel that the slag-blocking plug is about to reach the steel tapping port in the furnace, and when the third alarm light is lit, it is used to remind personnel to stop the slag-blocking machine.

[0018] Preferably, four sets of rubber plugs are fixedly fixed on both sides of the sealed box from bottom to top, with each set consisting of two transverse rubber plugs. Each set of rubber plugs has a conductive rod pierced inside, and the end of the conductive rod is provided with a wire.

[0019] By adopting the above technical solution, the two second alarm lights and the two third alarm lights can be automatically illuminated after the two conductive rods come into contact with the conductive liquid.

[0020] Preferably, a charging power supply is provided on the front of the sealed box. The bottommost group of conductive rods, the charging power supply, and the leftmost second alarm light are electrically connected by wires. The second group of conductive rods, the charging power supply, and the leftmost second alarm light are electrically connected by wires. The third group of conductive rods, the charging power supply, and the leftmost third alarm light are electrically connected by wires. The topmost group of conductive rods, the charging power supply, and the rightmost third alarm light are electrically connected by wires.

[0021] By adopting the above technical solution, as the liquid level of the conductive liquid in the sealed box gradually rises, the four sets of conductive rods are connected to the charging power supply in sequence from bottom to top, thereby enabling the four alarm lights on the top of the rectangular box to light up in sequence from left to right.

[0022] Preferably, the upper surface of the rectangular box is provided with a light-shielding mechanism for shielding the third alarm light on the left. The light-shielding mechanism includes an annular external toothed ring rotatably disposed on the upper surface of the rectangular box and corresponding to the third alarm light. A light shield adapted to the third alarm light is fixed at the top of the annular external toothed ring. A strip box is fixed on the upper surface of the rectangular box. A first piston plate is slidably disposed on the inner wall of the strip box. A strip toothed plate is fixed on the surface of the first piston plate. The strip toothed plate meshes with the annular external toothed ring.

[0023] By adopting the above technical solution, when the first piston plate moves to the left, it can drive the strip toothed plate to move to the left. The leftward movement of the strip toothed plate can drive the annular outer toothed ring to rotate automatically, thereby causing the light shield to rotate on the outer surface of the third alarm light, so as to achieve the purpose of flashing alarm of the third alarm light.

[0024] Preferably, the light-shielding mechanism further includes an inflatable box fixed to the side of the rectangular box. A second piston plate is slidably disposed on the inner wall of the inflatable box. A top rod extending into the interior of the rectangular box is fixed on the surface of the second piston plate, and a sealing hole for sliding of the top rod is opened on the side of the rectangular box. A return spring is fixed on the surface of the second piston plate, and the other end of the return spring is fixedly connected to the inner wall of the inflatable box. A connecting pipe is provided at the end of the inflatable box. One end of the connecting pipe extends into the interior of the inflatable box, and the other end of the connecting pipe extends into the interior of the strip box.

[0025] By adopting the above technical solution, when the first third alarm light is lit, the continued movement of the slide plate can push the top rod, causing the top rod to drive the second piston plate to move to the right. The movement of the second piston plate will force the air in the inflation box into the strip box through the connecting pipe, thereby driving the first piston plate in the strip box to move to the left.

[0026] In summary, the present invention has at least one of the following beneficial technical effects:

[0027] 1. The slag-blocking plug positioning device of the present invention, by setting a positioning mechanism, allows the device to detect the movement position of the slag-blocking machine when the slag-blocking plug enters the furnace and corresponds to the position of the steel tapping opening during actual use. The positioning mechanism is then placed on the ground track of the slag-blocking machine, making contact with the slag-blocking machine. Afterwards, the mounting ring is effectively fixed to the ground track by anchor bolts. Thus, during the actual installation of the slag-blocking plug, it is not necessary for personnel to observe the position of the slag-blocking plug in real time. The slag-blocking machine only needs to contact the mounting ring when it moves to stop the slag-blocking machine. At this time, the position of the slag-blocking plug is precisely aligned with the position of the steel tapping opening in the furnace, thereby achieving the purpose of precise positioning of the slag-blocking plug. This eliminates the need for manual visual judgment, not only eliminating the interference of environmental factors such as light and smoke on positioning, but also significantly shortening the positioning adjustment time and improving the work efficiency.

[0028] 2. The slag-blocking plug positioning device of the present invention, by setting an alarm mechanism, after the positioning mechanism is installed and fixed, when the slag-blocking plug needs to be installed in the furnace, after the slag-blocking machine moves to the designated position, the casing of the slag-blocking machine can contact the push plate and squeeze the push plate, so that the push plate drives the buffer column and the sliding plate to move. When the slag-blocking plug enters the furnace and corresponds to the position of the steel tapping port, the sliding plate can contact the limit switch, so that the limit switch automatically controls the first alarm light to sound an alarm, reminding personnel to stop the slag-blocking machine from moving. At this time, the slag-blocking plug is exactly corresponding to the position of the steel tapping port in the furnace.

[0029] 3. The slag-blocking plug positioning device of the present invention, by setting an alarm mechanism, when the slag-blocking machine moves the sliding plate, the movement of the sliding plate can gradually press the conductive liquid in the rectangular box into the sealed box through the liquid guide pipe. As the liquid level of the conductive liquid in the sealed box gradually rises, the four sets of conductive rods are connected to the charging power supply from bottom to top, so that the four alarm lights above the rectangular box can light up from left to right. When the two green second alarm lights light up in sequence, it reminds the personnel that the slag-blocking machine needs to be stopped. When the two third alarm lights light up in sequence, it reminds the personnel that the slag-blocking machine needs to be stopped at this time. Thus, the device can remind the personnel in advance when the slag-blocking plug is about to reach the steel tapping position in the furnace.

[0030] 4. The slag-blocking plug positioning device of the present invention, by setting a light-shielding mechanism, when the first third alarm light is lit, the continued movement of the sliding plate can push the top rod, causing the top rod to drive the second piston plate to move to the right. The movement of the second piston plate forces the air in the air box into the strip box through the connecting pipe, thereby driving the first piston plate in the strip box to move to the left. When the first piston plate moves to the left, it can drive the strip toothed plate to move to the left. The leftward movement of the strip toothed plate can drive the annular outer toothed ring to rotate automatically, thereby driving the light-shielding cover to rotate on the outer surface of the third alarm light, so as to achieve the purpose of flashing the third alarm light and further reminding the personnel that the movement of the slag-blocking machine needs to be stopped at this time. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of the present invention;

[0032] Figure 2 This is a top view of the structure of Embodiment 1 of the present invention;

[0033] Figure 3 This is a bottom view structural diagram of Embodiment 1 of the present invention;

[0034] Figure 4 This is a schematic diagram of the overall structure of Embodiment 2 of the present invention;

[0035] Figure 5 This is a rear view structural schematic diagram of Embodiment 2 of the present invention;

[0036] Figure 6 This is a schematic diagram of the cross-sectional structure of the rectangular box in Embodiment 2 of the present invention;

[0037] Figure 7 This is a schematic diagram of the overall structure of Embodiment 3 of the present invention;

[0038] Figure 8 This is a schematic diagram of the cross-sectional structure of the rectangular box and the sealed box in Embodiment 3 of the present invention;

[0039] Figure 9 This is a schematic cross-sectional view of the strip box and the inflatable box in Embodiment 3 of the present invention;

[0040] Figure 10 This is the present invention. Figure 9 Enlarged structural diagram at point A in the middle.

[0041] Explanation of reference numerals in the attached figures:

[0042] 100. Positioning mechanism; 101. Mounting ring; 102. Connecting ring; 103. Mounting rod; 104. Center ring; 105. Mounting hole;

[0043] 200. Alarm mechanism; 201. Column; 202. Rectangular box; 203. Slide plate; 204. Buffer column; 205. Push plate; 206. Buffer spring; 207. Limit switch; 208. First alarm light; 209. Sealed box; 2010. Liquid guide tube; 2011. Second alarm light; 2012. Third alarm light; 2013. Conductive rod; 2014. Charging power supply;

[0044] 300. Light-shielding mechanism; 301. Annular external toothed ring; 302. Light-shielding cover; 303. Strip box; 304. First piston plate; 305. Strip toothed plate; 306. Inflation box; 307. Second piston plate; 308. Push rod; 309. Return spring; 3010. Connecting pipe. Detailed Implementation

[0045] The following is in conjunction with the appendix Figure 1 To be continued Figure 10 The present invention will be further described in detail below.

[0046] Example 1

[0047] Please refer to the following carefully. Figure 1 , Figure 2 , Figure 3 A positioning device for a slag-blocking machine includes a positioning mechanism 100. The positioning mechanism 100 includes a mounting ring 101. A connecting ring 102 is fixedly provided on the inner wall of the mounting ring 101. Four mounting rods 103 are fixedly provided in a circumferential array on the inner wall of the connecting ring 102. A central ring 104 is fixedly provided at one end of the four mounting rods 103 away from the connecting ring 102. A plurality of mounting holes 105 are opened in a circumferential array on the upper surface of the mounting ring 101. During installation, the mounting ring 101 is fixed on the track of the slag-blocking machine through a plurality of anchor bolts passing through the plurality of mounting holes 105.

[0048] In this embodiment, by setting a positioning mechanism 100, the device first detects the movement position of the slag-blocking machine when the slag-blocking plug enters the furnace and corresponds to the position of the steel tapping opening during actual use. The positioning mechanism 100 is then placed on the ground track of the slag-blocking machine, so that the positioning mechanism 100 contacts the slag-blocking machine. After that, the mounting ring 101 is effectively fixed to the ground track by anchor bolts. Thus, when the slag-blocking plug is actually installed, there is no need for personnel to observe the position of the slag-blocking plug in real time. The slag-blocking machine only needs to contact the mounting ring 101 when it moves to stop the slag-blocking machine. At this time, the position of the slag-blocking plug corresponds precisely to the position of the steel tapping opening in the furnace, thereby achieving the purpose of precise positioning of the slag-blocking plug. This eliminates the need to rely on manual visual judgment, not only eliminating the interference of environmental factors such as light and smoke on positioning, but also greatly shortening the positioning adjustment time and improving the work efficiency.

[0049] Example 2

[0050] Based on Example 1, referring to Figures 4 to 6 And unlike Example 1, the following is true:

[0051] Please refer to this carefully. Figure 5 , Figure 6 An alarm mechanism 200 is provided above the positioning mechanism 100. The alarm mechanism 200 includes a column 201 fixed to the inner wall of the central ring 104 and a rectangular box 202 fixed to the top of the column 201. A sliding plate 203 is slidably provided on the inner wall of the rectangular box 202, and three buffer columns 204 are fixed on the surface of the sliding plate 203.

[0052] Specifically, it can buffer the movement of the slag-blocking machine when the slag-blocking plug is about to reach the tapping point after entering the furnace.

[0053] Please refer to this carefully. Figure 5 , Figure 6 The other ends of the three buffer pillars 204 extend to the outer surface of the rectangular box 202 and are fixedly provided with push plates 205. The side of the rectangular box 202 is provided with three sliding holes for the three buffer pillars 204 to slide. The surface of the buffer pillars 204 is fitted with buffer springs 206. The two ends of the buffer springs 206 are fixedly connected to the inner side wall of the rectangular box 202 and the surface of the slide plate 203, respectively.

[0054] Specifically, the slide plate 203 can be easily reset under the action of the buffer spring 206.

[0055] Please refer to this carefully. Figure 5 , Figure 6 A limit switch 207 is provided on the side of the rectangular box 202. The trigger end of the limit switch 207 extends into the interior of the rectangular box 202. A first alarm light 208, which is electrically connected to the limit switch 207, is fixed on the upper surface of the rectangular box 202.

[0056] Specifically, when the slag-blocking plug reaches the tapping port position inside the furnace, the sliding plate 203 contacts the limit switch 207, and the limit switch 207 automatically controls the first alarm light 208 to light up, reminding personnel to stop the movement of the slag-blocking machine.

[0057] In this embodiment, by setting an alarm mechanism 200, after the positioning mechanism 100 is installed and fixed, when it is necessary to install the slag-blocking plug in the furnace, after the slag-blocking machine moves to the designated position, the casing of the slag-blocking machine can contact the push plate 205 and squeeze the push plate 205, so that the push plate 205 drives the buffer column 204 and the sliding plate 203 to move. When the slag-blocking plug enters the furnace and corresponds to the position of the steel tapping port, the sliding plate 203 can contact the limit switch 207, so that the limit switch 207 automatically controls the first alarm light 208 to sound an alarm, reminding personnel to stop the slag-blocking machine from moving. At this time, the slag-blocking plug is exactly corresponding to the position of the steel tapping port in the furnace.

[0058] Example 3

[0059] Based on Example 2, referring to Figures 7 to 10 And unlike Example 2, the following is true:

[0060] Please refer to this carefully. Figure 7 , Figure 8 The alarm mechanism 200 also includes a sealing box 209 fixed on the lower surface of the rectangular box 202, a rubber sleeve on the outer surface of the slide plate 203, and conductive liquid is filled in the middle between the slide plate 203 and the right inner cavity of the rectangular box 202. A liquid guide tube 2010 extending to the outer surface of the rectangular box 202 is fixed on the right inner wall of the rectangular box 202, and the other end of the liquid guide tube 2010 extends to the inner bottom of the sealing box 209.

[0061] Specifically, the movement of the slide plate 203 can cause the conductive liquid inside the rectangular box 202 to automatically enter the sealed box 209 through the liquid guide tube 2010.

[0062] Please refer to this carefully. Figure 7 , Figure 8 Two second alarm lights 2011 and two third alarm lights 2012 are fixed on the upper surface of the rectangular box 202 from left to right, and the two second alarm lights 2011 are green and the two third alarm lights 2012 are red.

[0063] Specifically, when the two green second alarm lights 2011 illuminate, they are used to remind personnel that the slag-blocking plug is about to reach the steel tapping port inside the furnace. When the third alarm light 2012 illuminates, it is used to remind personnel to stop the slag-blocking machine.

[0064] Please refer to this carefully. Figure 7 , Figure 8 Four sets of rubber plugs are fixed to both sides of the sealed box 209 from bottom to top. Each set consists of two horizontal rubber plugs. A conductive rod 2013 is pierced inside each set of rubber plugs, and a wire is provided at the end of the conductive rod 2013.

[0065] Specifically, the two second alarm lights 2011 and the two third alarm lights 2012 can be automatically lit after the two conductive rods 2013 come into contact with the conductive liquid.

[0066] Please refer to this carefully. Figure 7 , Figure 8 The front of the sealed box 209 is equipped with a charging power supply 2014. The bottom set of conductive rods 2013, the charging power supply 2014 and the leftmost second alarm light 2011 are electrically connected by wires. The bottom set of conductive rods 2013, the charging power supply 2014 and the leftmost second alarm light 2011 are electrically connected by wires. The bottom set of conductive rods 2013, the charging power supply 2014 and the leftmost third alarm light 2012 are electrically connected by wires. The top set of conductive rods 2013, the charging power supply 2014 and the rightmost third alarm light 2012 are electrically connected by wires.

[0067] Specifically, as the level of the conductive liquid inside the sealed box 209 gradually rises, the four sets of conductive rods 2013 are sequentially connected to the charging power supply 2014 from bottom to top, thereby enabling the four alarm lights above the rectangular box 202 to light up sequentially from left to right.

[0068] In this invention, an alarm mechanism 200 is installed. When the slag-blocking machine moves the sliding plate 203, the movement of the sliding plate 203 can gradually press the conductive liquid in the rectangular box 202 into the sealed box 209 through the liquid guide pipe 2010. As the liquid level of the conductive liquid in the sealed box 209 gradually rises, the four sets of conductive rods 2013 are connected to the charging power supply 2014 in sequence from bottom to top. This causes the four alarm lights above the rectangular box 202 to light up in sequence from left to right. When the two green second alarm lights 2011 light up in sequence, it reminds the personnel that the slag-blocking machine needs to be stopped. When the two third alarm lights 2012 light up in sequence, it reminds the personnel that the slag-blocking machine needs to be stopped at this time. Thus, the device can remind the personnel in advance when the slag-blocking plug is about to reach the tapping position in the furnace.

[0069] Please refer to this carefully. Figure 9 , Figure 10 The upper surface of the rectangular box 202 is provided with a light-shielding mechanism 300 for shielding the third alarm light 2012 on the left. The light-shielding mechanism 300 includes an annular external toothed ring 301 rotatably disposed on the upper surface of the rectangular box 202 and corresponding to the third alarm light 2012. The top end of the annular external toothed ring 301 is fixedly provided with a light shield 302 adapted to the third alarm light 2012. A strip box 303 is fixedly disposed on the upper surface of the rectangular box 202. A first piston plate 304 is slidably disposed on the inner wall of the strip box 303. A strip toothed plate 305 is fixedly disposed on the surface of the first piston plate 304. The strip toothed plate 305 meshes with the annular external toothed ring 301.

[0070] Specifically, when the first piston plate 304 moves to the left, it can drive the strip toothed plate 305 to move to the left. The leftward movement of the strip toothed plate 305 can drive the annular outer toothed ring 301 to rotate automatically, thereby driving the light shield 302 to rotate on the outer surface of the third alarm light 2012, so as to achieve the purpose of flashing alarm of the third alarm light 2012.

[0071] Please refer to this carefully. Figure 9 , Figure 10 The light-shielding mechanism 300 also includes an inflatable box 306 fixed to the side of the rectangular box 202. A second piston plate 307 is slidably disposed on the inner wall of the inflatable box 306. A top rod 308 extending into the interior of the rectangular box 202 is fixedly disposed on the surface of the second piston plate 307. A sealing hole for sliding of the top rod 308 is opened on the side of the rectangular box 202. A return spring 309 is fixedly disposed on the surface of the second piston plate 307. The other end of the return spring 309 is fixedly connected to the inner wall of the inflatable box 306. A connecting pipe 3010 is disposed at the end of the inflatable box 306. One end of the connecting pipe 3010 extends into the interior of the inflatable box 306, and the other end of the connecting pipe 3010 extends into the interior of the strip box 303.

[0072] Specifically, when the first third alarm light 2012 illuminates, the continued movement of the slide plate 203 can push the push rod 308, causing the push rod 308 to drive the second piston plate 307 to move to the right. The movement of the second piston plate 307 forces the air in the air box 306 into the strip box 303 through the connecting pipe 3010, thereby driving the first piston plate 304 in the strip box 303 to move to the left.

[0073] In this invention, by setting up a light-shielding mechanism 300, when the first third alarm light 2012 is lit, the continued movement of the sliding plate 203 can push the top rod 308, causing the top rod 308 to drive the second piston plate 307 to move to the right. The movement of the second piston plate 307 forces the air in the air filling box 306 into the strip box 303 through the connecting pipe 3010, thereby driving the first piston plate 304 in the strip box 303 to move to the left. When the first piston plate 304 moves to the left, it can drive the strip toothed plate 305 to move to the left. The leftward movement of the strip toothed plate 305 can drive the annular outer toothed ring 301 to rotate automatically, thereby driving the light-shielding cover 302 to rotate on the outer surface of the third alarm light 2012, so as to achieve the purpose of flashing alarm of the third alarm light 2012, and further reminding personnel that the movement of the slag blocking machine needs to be stopped at this time.

Claims

1. A positioning device for a slag-blocking plug of a slag-blocking machine, characterized in that, Including positioning mechanism (100); The positioning mechanism (100) includes a mounting ring (101), a connecting ring (102) is fixedly provided on the inner wall of the mounting ring (101), and four mounting rods (103) are fixedly provided in a circumferential array on the inner wall of the connecting ring (102). A central ring (104) is fixedly provided at one end of the four mounting rods (103) away from the connecting ring (102). A number of mounting holes (105) are opened in a circumferential array on the upper surface of the mounting ring (101). When the mounting ring (101) is installed, it is fixed on the track of the slag blocker through a number of anchor bolts passing through a number of mounting holes (105).

2. The slag-blocking plug positioning device for a slag-blocking machine according to claim 1, characterized in that, An alarm mechanism (200) is provided above the positioning mechanism (100). The alarm mechanism (200) includes a column (201) fixed to the inner wall of the central ring (104) and a rectangular box (202) fixed to the top of the column (201). A sliding plate (203) is slidably provided on the inner wall of the rectangular box (202), and three buffer columns (204) are fixed on the surface of the sliding plate (203).

3. The slag-blocking plug positioning device for a slag-blocking machine according to claim 2, characterized in that, The other end of each of the three buffer pillars (204) extends to the outer surface of the rectangular box (202) and is fixedly provided with a push plate (205). The side of the rectangular box (202) is provided with three sliding holes for the three buffer pillars (204) to slide. The surface of the buffer pillar (204) is fitted with a buffer spring (206). The two ends of the buffer spring (206) are fixedly connected to the inner side wall of the rectangular box (202) and the surface of the sliding plate (203), respectively.

4. The slag-blocking plug positioning device for a slag-blocking machine according to claim 3, characterized in that, A limit switch (207) is provided on the side of the rectangular box (202), and the trigger end of the limit switch (207) extends into the interior of the rectangular box (202). A first alarm light (208) electrically connected to the limit switch (207) is fixed on the upper surface of the rectangular box (202).

5. The slag-blocking plug positioning device for a slag-blocking machine according to claim 3, characterized in that, The alarm mechanism (200) also includes a sealing box (209) fixed on the lower surface of the rectangular box (202). The outer surface of the slide plate (203) is covered with a rubber sleeve, and the middle of the right inner cavity of the slide plate (203) and the rectangular box (202) is filled with conductive liquid. The right inner wall of the rectangular box (202) is fixed with a liquid guide tube (2010) extending to the outer surface of the rectangular box (202), and the other end of the liquid guide tube (2010) extends to the inner bottom of the sealing box (209).

6. The slag-blocking plug positioning device for a slag-blocking machine according to claim 5, characterized in that, The upper surface of the rectangular box (202) is fixed with two second alarm lights (2011) and two third alarm lights (2012) from left to right, and the two second alarm lights (2011) are green and the two third alarm lights (2012) are red.

7. The slag-blocking plug positioning device for a slag-blocking machine according to claim 6, characterized in that, The sealing box (209) has four sets of rubber plugs fixed on both sides from bottom to top. Each set consists of two horizontal rubber plugs. Each set of rubber plugs has a conductive rod (2013) pierced inside, and the end of the conductive rod (2013) is provided with a wire.

8. The slag-blocking plug positioning device for a slag-blocking machine according to claim 7, characterized in that, A charging power supply (2014) is provided on the front of the sealed box (209). The bottom group of conductive rods (2013), the charging power supply (2014) and the leftmost second alarm light (2011) are electrically connected by wires. The top group of conductive rods (2013), the charging power supply (2014) and the leftmost second alarm light (2011) are electrically connected by wires. The top group of conductive rods (2013), the charging power supply (2014) and the leftmost third alarm light (2012) are electrically connected by wires.

9. A slag-blocking plug positioning device for a slag-blocking machine according to claim 8, characterized in that, The upper surface of the rectangular box (202) is provided with a light-shielding mechanism (300) for shielding the third alarm light (2012) on the left. The light-shielding mechanism (300) includes an annular external toothed ring (301) rotatably disposed on the upper surface of the rectangular box (202) and corresponding to the third alarm light (2012). The top end of the annular external toothed ring (301) is fixedly provided with a light shield (302) adapted to the third alarm light (2012). A strip box (303) is fixedly disposed on the upper surface of the rectangular box (202). A first piston plate (304) is slidably disposed on the inner wall of the strip box (303). A strip toothed plate (305) is fixedly disposed on the surface of the first piston plate (304). The strip toothed plate (305) meshes with the annular external toothed ring (301).

10. A slag-blocking plug positioning device for a slag-blocking machine according to claim 9, characterized in that, The light-shielding mechanism (300) further includes an inflatable box (306) fixed to the side of the rectangular box (202). A second piston plate (307) is slidably provided on the inner wall of the inflatable box (306). A top rod (308) extending into the interior of the rectangular box (202) is fixed on the surface of the second piston plate (307). A sealing hole for sliding of the top rod (308) is provided on the side of the rectangular box (202). A return spring (309) is fixed on the surface of the second piston plate (307). The other end of the return spring (309) is fixedly connected to the inner wall of the inflatable box (306). A connecting pipe (3010) is provided at the end of the inflatable box (306). One end of the connecting pipe (3010) extends into the interior of the inflatable box (306), and the other end of the connecting pipe (3010) extends into the interior of the strip box (303).

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