Rotary converter tapping monitoring system

Abstract

The invention discloses a rotary converter tapping monitoring system, which belongs to the technical field of steel smelting equipment, and comprises a support frame, a clamping rotating mechanism and a chain transmission assembly, the supporting frame is fixed in the converter heat insulation door, the pneumatic motor drives the clamping rotating mechanism to rotate around the bearing seat through the chain, and switching of the camera between a working position and a standby position is achieved. A high-temperature-resistant protective sleeve with a three-layer structure is arranged outside the camera, the camera is circularly cooled by cooling water and is matched with a high-temperature-resistant lens and a compressed air curtain to block dust and water mist, and a protective convex edge shields splashes; when gas is cut off, the camera can be transferred to a standby position through manual traction, and an automatic control system is matched with a limiting switch to achieve remote control and over-travel protection. The method can adapt to the high-temperature and high-dust environment of the converter, reduces the manual intervention cost, improves the safety and stability of furnace mouth monitoring, does not need additional auxiliary equipment, can effectively control the cost, and is suitable for the tapping link of the steel smelting converter.

Description

Technical Field

[0001] This invention relates to the field of steel smelting equipment technology, specifically to a rotary converter tapping monitoring system. Background Technology

[0002] In the steel smelting process, the converter tapping stage is one of the key steps. The operating conditions at the converter tapping mouth are extremely complex, presenting not only a harsh environment with high temperatures (typically reaching hundreds to thousands of degrees Celsius) and high dust levels, but also risks such as molten steel splashing and pervasive fumes, making it difficult to achieve accurate and real-time monitoring of the furnace mouth conditions. Its harshness is mainly reflected in the following dimensions:

[0003] I. The continuous scorching heat of extreme temperatures

[0004] The steel outlet is in direct contact with liquid steel at temperatures above 1600°C. Even when not in contact with the molten steel, the surrounding air temperature remains between 70-100°C for a long time. Workers need to work continuously in a high-temperature environment that is close to the limits of human tolerance.

[0005] Hot repair section baking: In the hot repair of steel ladles, workers need to perform operations such as judging the ladle and emptying slag after it has just been poured. The temperature in this area exceeds 70°C, and workers need to face local high temperatures of over 200°C during the operation.

[0006] II. Risks of High-Risk Operations

[0007] Molten metal splashing: Blockage of the tap hole or spalling of refractory material may cause molten steel leakage. Molten steel at 1600℃ will vaporize and explode instantly when it comes into contact with a damp ground, posing a deadly threat.

[0008] Risk of carbon monoxide poisoning: If a leak occurs in the converter gas recovery system, high concentrations of CO gas in a confined space can easily cause acute poisoning in people.

[0009] III. The Heavy Burden of Protective Equipment

[0010] Workers must wear full sets of flame-retardant work clothes, thickened leather gloves, and heat-proof masks. Working in high-temperature environments is like carrying a heavy load. After each round of work, their work clothes are soaked with sweat, forming a cycle of "soaked-dried-soaked again".

[0011] This environment not only tests the durability of the equipment (such as the tapping end, which typically has a lifespan of only 180-400 heats), but also poses a hazard to steelworkers.

[0012] IV. The Lag of Manual Monitoring

[0013] Manual monitoring suffers from a lag in response, failing to promptly detect situations such as slag overflow from the furnace mouth and abnormal molten steel levels. This can easily lead to delays in the steel tapping process, increased molten steel loss, and consequently, extended smelting cycles and higher smelting costs. Furthermore, improper operation may cause equipment malfunctions.

[0014] During the on-site installation and modification process, there were also issues such as limited space and dense pipelines and platforms. Dismantling and modifying existing facilities would directly affect the production schedule, and the restoration cost would be high. During the blowing process, the equipment must withstand high-temperature heat radiation, and is also accompanied by multiple harsh operating conditions such as red smoke and black smoke. Previous improvement plans all had problems such as difficulty in guaranteeing equipment lifespan, the need to dismantle and modify other equipment, and the need to add additional auxiliary facilities, resulting in cost overruns.

[0015] To address the aforementioned issues, this solution provides a rotary monitoring system that can adapt to the harsh environment of a converter and achieve automated camera attitude adjustment and emergency protection. Summary of the Invention

[0016] To address the problems in existing technologies, such as reliance on manual monitoring of converter tapping openings, fixed and unadjustable camera installations, and lack of protection against harsh environments and emergency response mechanisms, this invention provides a rotary converter tapping monitoring system. The system aims to automate camera posture switching (working position and standby position), improve the equipment's adaptability to high-temperature and high-dust environments, and reduce the cost of manual intervention and the risk of equipment damage.

[0017] A rotary converter tapping monitoring system includes:

[0018] A support frame, which is installed laterally on the converter partition door, is used to provide a platform for assembling other components;

[0019] The drive unit, which is fixedly mounted on the left side of the support frame via the first support, is used to provide rotational power to the clamping and rotating mechanism;

[0020] The bearing housing, which is fixedly mounted on the right end of the support frame by a second support, is used to install the clamping and rotating mechanism;

[0021] A clamping and rotating mechanism, rotatably mounted on a bearing seat, is used to clamp and fix the protective sleeve and the camera. The clamping and rotating mechanism has two positions: a working position and a standby position. Working position: the clamping and rotating mechanism rotates to the right so that the camera axis is perpendicular to the converter heat shield. Standby position: the clamping and rotating mechanism rotates to the left so that the camera axis is perpendicular to the converter heat shield.

[0022] Transmission assembly, used to connect the drive unit and the clamping rotation mechanism, to transmit power from the drive unit;

[0023] The camera is connected to the central control and evaluation system to transmit the collected images of the converter mouth to the central control and evaluation system. The central control and evaluation system analyzes the degree of slag overflow and then controls the steel tapping PLC mechanism to interrupt steel tapping in a timely manner.

[0024] A protective sleeve is fitted over the outside of the camera to protect it.

[0025] A manual traction device, located next to the drive unit and connected to the clamping and rotating mechanism, is used to move the camera to a standby position in an emergency.

[0026] As a preferred embodiment of the present invention, the clamping and rotating mechanism includes a horizontal bar, one end of which is mounted on a bearing seat via a rotating shaft, and the other end is fixedly connected to a vertical bar. The horizontal bar and the vertical bar form an L-shaped structure. An L-shaped fixing frame is fixedly and horizontally mounted on the top of the vertical bar. An assembly plate is mounted below the long side of the L-shaped fixing frame, and a protective sleeve is fixedly mounted on the assembly plate.

[0027] In a preferred embodiment of the present invention, the transmission assembly includes a driving sprocket and a driven sprocket. The driving sprocket is mounted on a drive device, and the driven sprocket is fixedly mounted on a rotating shaft connected to a crossbar and a bearing seat. The driving sprocket and the driven sprocket are driven by a chain.

[0028] As a preferred embodiment of the present invention, the assembly plate is parallel to the converter insulation door and is set in two vertically equidistant sections, with a circular hole at the center of the assembly plate; the protective sleeve is fitted into the circular hole and fixedly connected by bolts.

[0029] As a preferred embodiment of the present invention, the protective sleeve has a three-layer structure, including an outer layer, a middle layer, and an inner layer; the outer and inner layers are stainless steel shells; the middle layer is a spiral cooling channel; the outer layer has an inlet and an outlet at the bottom near the converter end (front end) and the top away from the converter end (rear end), respectively, and cooling water flows into the spiral cooling channel from the inlet and flows out through the outlet to form a circulating cooling, ensuring that the camera works stably in a high-temperature environment; an integrally formed mounting platform is fixed inside the inner layer, and the mounting platform is tightly fitted and fixed to the inner wall of the inner layer. The camera is detachably mounted on the mounting platform by bolts, realizing the stable assembly of the camera, and facilitating later maintenance and replacement.

[0030] In a preferred embodiment of the present invention, a high-temperature resistant lens is installed on the end face of the protective sleeve near the converter, and the high-temperature resistant lens is detachably installed by screws; the high-temperature resistant lens has a first air outlet and a second air outlet; an air inlet and a cable inlet are provided on the end face of the protective sleeve away from the converter; the cable inlet is used for the sealed passage of the camera cable; the air inlet is connected to a compressed air positive pressure system, and compressed air is ejected through the first air outlet and the second air outlet to form an air curtain on the outside of the high-temperature resistant lens, blocking dust and water mist penetration and providing a clear observation environment for the camera.

[0031] As a preferred embodiment of the present invention, the screws are distributed in two equidistant rings, with four on the outer ring and three on the inner ring; the first vent hole has a diameter of 3mm and twelve are equidistantly arranged along the circumference; the second vent hole has a diameter of 4.2mm and two are symmetrically arranged; the protective sleeve also has an integrally formed protective flange on the end face near the converter, which is used to block splashes from the furnace opening and prevent the high-temperature resistant lens from being impacted.

[0032] As a preferred embodiment of the present invention, triangular reinforcing plates are installed between the top of the vertical rod and the L-shaped fixing frame, and between the L-shaped fixing frame and the assembly plate.

[0033] In a preferred embodiment of the present invention, the driving device is a pneumatic motor.

[0034] As a preferred embodiment of the present invention, the support frame is provided with limit switches at the ends corresponding to the working position and the standby position. The trigger end of the limit switch is adapted to the crossbar of the clamping and rotating mechanism and is used to trigger a stop when the clamping and rotating mechanism reaches the working position.

[0035] As a preferred embodiment of the present invention, the manual traction device is a manual traction rope, one end of which is set at the connection between the horizontal bar and the vertical bar, and the other end is set on the drive device; the manual traction rope is made of high temperature resistant and flame retardant material.

[0036] By adopting the above technical solution, the present invention has the following beneficial effects:

[0037] This invention uses a pneumatic motor and chain drive to drive the clamping and rotating mechanism. Combined with limit switches and an automated control system, it enables automatic switching between the camera's "working position" (axis perpendicular to the converter insulation door, aligned with the furnace opening) and "standby position" (removed to a non-working area) without manual intervention, reducing labor intensity and safety risks. The drive unit uses an explosion-proof pneumatic motor, and the camera is equipped with a three-layer high-temperature resistant protective sleeve. A spiral cooling channel efficiently cools the camera through cooling water circulation, a compressed air curtain blocks dust and water mist, and a protective convex edge shields against molten steel splashes. These multiple protections significantly improve the equipment's durability in high-temperature, high-dust environments. When the air supply is interrupted, the equipment can be moved to the standby position using a high-temperature resistant, flame-retardant manual traction rope without disassembling the equipment, preventing damage due to immobility caused by the lack of air supply. The detachable high-temperature resistant lens and the specifically sized and distributed air vents ensure both clear observation and easy maintenance and replacement. Furthermore, this invention does not require dismantling or modifying existing pipelines and platforms, nor does it require the addition of auxiliary equipment, effectively controlling costs and adapting to special working conditions with limited on-site space, further enhancing its practicality and promotional value. Attached Figure Description

[0038] Figure 1 This is a schematic diagram of the overall structure assembly of the present invention;

[0039] Figure 2 This is a left view of the overall structure of the present invention;

[0040] Figure 3 This is a top view of the clamping and rotating mechanism of the present invention in its working position;

[0041] Figure 4 This is a top view of the clamping and rotating mechanism of the present invention in the standby position;

[0042] Figure 5 This is a schematic diagram of the cross-sectional structure of the protective sleeve of the present invention;

[0043] Figure 6 This is a schematic diagram of the front structure of the high-temperature resistant lens of the present invention.

[0044] In the diagram: 1. Support frame; 2. First support; 3. Drive unit; 4. Drive sprocket; 5. Chain; 6. Driven sprocket; 7. Second support; 8. Bearing seat; 9. Clamping and rotating mechanism; 901. Horizontal bar; 902. Vertical bar; 903. L-shaped fixing frame; 904. Assembly plate; 10. Camera; 11. Protective sleeve; 1101. Water inlet; 1102. Water outlet; 1103. Air inlet; 1104. First air outlet; 1105. High-temperature resistant lens; 1106. Screw; 1107. Second air outlet; 1108. Mounting platform; 1109. Cable inlet; 1110. Protective flange; 1111. Outer layer; 1112. Middle layer; 1113. Inner layer. Detailed Implementation

[0045] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0046] Example 1

[0047] like Figures 1 to 6 As shown, a specific embodiment of the rotary converter steel tapping monitoring system of the present invention includes: a support frame 1, a drive device 3, a bearing seat 8, a clamping and rotating mechanism 9, a transmission assembly, a camera 10, and an automated control system.

[0048] The support frame 1 is horizontally fixed on the converter door, and is fixed by M16 high-strength bolts with a tensile strength of ≥800MPa. A 5mm thick anti-vibration pad with a damping rate of ≥80% is installed between the bolts and the mounting surface of the door, which can effectively counteract the vibration generated by the converter tilting (frequency 1Hz, amplitude ±5°) and ensure the overall installation stability of the equipment. The support frame 1 is provided with mounting holes for positioning the first support 2 and the second support 7. The first support 2 and the second support 7 are detachably fixed to the support frame 1 by bolts.

[0049] The drive device 3 is an explosion-proof pneumatic motor, which is fixedly installed on the left side of the support frame 1 via the first support 2. The housing of the pneumatic motor is made of high-temperature resistant cast iron.

[0050] The bearing housing 8 is fixedly installed at the right end of the support frame 1 via the second support 7. The bearing housing 8 is equipped with a high-temperature deep groove ball bearing with a temperature resistance of 800℃ and a load capacity of ≥5000N. The bearing is filled with a long-life grease with a temperature resistance of 600℃, and the lubrication cycle can reach 6 months. The inner ring of the high-temperature deep groove ball bearing is interference-fitted with the clamping and rotating mechanism 9. Actual test data shows that after 2000 hours of continuous operation, the bearing clearance of the bearing housing 8 is still ≤0.01mm, which meets the high-precision operation requirements of industrial-grade monitoring equipment.

[0051] The clamping and rotating mechanism 9 is rotatably mounted on the deep groove ball bearing of the bearing housing 8, including a horizontal rod 901, a vertical rod 902, an L-shaped fixing bracket 903, and an assembly plate 904. One end of the horizontal rod 901 is fixedly mounted on the inner ring of the deep groove ball bearing through a rotating shaft, and the other end is welded to one end of the vertical rod 902 to form an L-shaped structure with a right angle cross section. The top of the vertical rod 902 is fixed with an L-shaped fixing bracket 903, which is installed horizontally. The lower surface of the L-shaped fixing bracket 903 is fixed with an assembly plate 904 by welding. Two assembly plates 904 are vertically and equidistantly arranged along the height direction of the vertical rod 902. The assembly plate 904 is parallel to the door insulation door and has a circular hole in its center. A protective sleeve 11 made of high temperature resistant alloy material is fitted inside the circular hole. The side wall of the protective sleeve 11 fits against the inner wall of the circular hole, and the protective sleeve 11 is fixedly connected to the assembly plate 904 by bolts evenly distributed around the circumference. The camera 10 is fitted inside the protective sleeve 11.

[0052] The protective sleeve 11 has a three-layer structure. The outer layer 1111 and the inner layer 1113 are both made of stainless steel shells, and the middle layer 1112 is a spiral cooling channel. The bottom of the outer layer 1111 near the converter end (front end) is provided with a water inlet 1101, and the top away from the converter end (rear end) is provided with a water outlet 1102. Cooling water flows into the spiral cooling channel from the water inlet 1101 and flows out through the water outlet 1102 to form a circulating cooling, continuously removing the high temperature heat around the camera 10. An integrally formed mounting platform 1108 is fixed inside the inner layer 1113. The mounting platform 1108 is welded and fixed to the inner wall of the inner layer 1113, ensuring reliable structural strength. The camera 10 is mounted on the mounting platform 1108 with evenly distributed bolts, which not only ensures the camera 10 is installed stably and avoids displacement caused by converter vibration, but also provides detachability for easy maintenance.

[0053] A high-temperature resistant lens 1105 is detachably installed on the end face of the protective sleeve 11 near the converter via screws 1106. The screws 1106 are evenly distributed in two concentric circles, with four on the outer circle and three on the inner circle, ensuring the lens is securely fixed. The high-temperature resistant lens 1105 has twelve first vent holes 1104 (evenly distributed circumferentially) with a diameter of 3mm and two second vent holes 1107 (symmetrically arranged) with a diameter of 4.2mm. An air inlet 1103 and a wire inlet 110 are provided on the end face of the protective sleeve 11 away from the converter. 9. The cable inlet 1109 is used for the cable of the camera 10 to pass through and prevent dust from entering; the air inlet 1103 is connected to the compressed air positive pressure system, and the compressed air is sprayed out through the first air outlet 1104 and the second air outlet 1107 to form a uniform air curtain on the outside of the high-temperature resistant lens 1105, effectively blocking the penetration of dust and water mist; the protective sleeve 11 also has an integrally formed protective protrusion 1110 on the end face near the converter, which is used to shield the molten steel and refractory material debris splashed from the furnace mouth and prevent the high-temperature resistant lens 1105 from being damaged by impact;

[0054] The first vent 1104: small diameter (3mm) + circumferentially distributed, closer to the outer side of the lens, can form a uniform and continuous thin air cushion, fully covering the entire observation surface of the high-temperature resistant lens 1105, avoiding any blind spots in protection;

[0055] The second vent 1107 has a large diameter (4.2mm) and is symmetrically distributed (preferably on both sides or above and below the center of the lens). It is closer to the inner side of the lens and can provide a stronger airflow impact force to focus on blowing away dust from the core observation area of ​​the lens (the focusing area of ​​camera 10) and areas prone to dust accumulation.

[0056] The transmission assembly includes a drive sprocket 4, a driven sprocket 6, and a closed chain 5. The drive sprocket 4 is fixed on the output shaft of the pneumatic motor. The driven sprocket 6 is fixedly installed at the bottom of the shaft connected to the crossbar 901 and the bearing seat 8 by a flat key, and the axis of the driven sprocket 6 coincides with the axis of the shaft. The closed chain 5 is engaged and sleeved on the outside of the drive sprocket 4 and the driven sprocket 6.

[0057] Preferably, the transmission assembly is fitted with a protective cover (not shown in the figure) to protect the components;

[0058] The automated control system includes an electrical cabinet, an operating console, limit switches, and a central control evaluation system (not shown in the figure). The electrical cabinet contains a solenoid valve connected to a pneumatic motor via an air pipe, used to control the air intake and exhaust direction of the pneumatic motor. The operating console has a remote control button, enabling remote start / stop and hovering control of the clamping rotation mechanism 9. Limit switches are installed at the ends of the support frame 1 corresponding to the "working position" and "standby position" of the clamping rotation mechanism 9, respectively, to trigger the mechanism's start / stop and prevent overtravel. The automated control system and solenoid valves are all existing products and technologies; this solution does not improve upon them, and their specific principles will not be elaborated further.

[0059] The signal output terminal of camera 10 is electrically connected to the signal input terminal of the central control evaluation system, which is used to transmit the collected converter furnace mouth image to the central control evaluation system. The central control evaluation system can analyze the degree of slag overflow based on the image and send the control signal to the steel tapping PLC mechanism.

[0060] As a preferred embodiment, triangular reinforcing plates are welded to the corners of the vertical rod 902 and the L-shaped fixing frame 903, and to the connection between the L-shaped fixing frame 903 and the assembly plate 904. The two right-angled sides of the triangular reinforcing plates are respectively welded to the corresponding components to enhance the connection strength and prevent the clamping and rotating mechanism 9 from deforming due to vibration during rotation.

[0061] The manual traction device is a manual traction rope made of high temperature resistant and flame retardant material (not shown in the figure). One end of the rope is fixed to the connection between the horizontal bar 901 and the vertical bar 902, and the other end is fixed to the housing of the drive device 3. When the air supply is interrupted, the operator can manually pull the traction rope to drive the clamping and rotating mechanism 9 to the standby position. The operation is convenient and safe.

[0062] The working principle of this invention is as follows: When the power supply, air supply and cooling water circuit are connected, the "working position" button is pressed on the control panel, the solenoid valve is energized, the drive device 3, i.e. the pneumatic motor, is rotated in the forward direction, driving the active sprocket 4 to rotate, which in turn drives the driven sprocket 6 to rotate through the chain 5, thereby driving the crossbar 901 to rotate around the bearing seat 8. The clamping and rotating mechanism 9 drives the camera 10 to rotate to the working position (the axis of the camera 10 is perpendicular to the heat shield and aligned with the converter opening). At this time, the working position limit switch is triggered, and the pneumatic motor stops rotating. At the same time, cooling water flows from the inlet 1101 into the spiral cooling channel of the protective sleeve 11 and flows out through the outlet 1102 to form a circulation. The compressed air positive pressure system is started, and compressed air is introduced into the protective sleeve 11 through the air inlet 1103. It is sprayed out through the first air outlet 1104 and the second air outlet 1107 to form an air curtain. The camera 10 begins to collect images of the furnace opening and transmits them to the central control evaluation system.

[0063] Switching to standby position: When steel tapping is finished or maintenance is required, press the "standby position" button on the control panel. The solenoid valve will reverse, the pneumatic motor will reverse, and the clamping rotation mechanism 9 will rotate to the standby position (the camera 10 will be removed from the furnace opening area). The standby position limit switch will be triggered, the pneumatic motor will stop, and the cooling water and compressed air can be shut off.

[0064] When the gas supply is interrupted, the operator can manually pull the high-temperature resistant and flame-retardant traction rope to rotate the clamping and rotating mechanism 9 to the standby position, so as to prevent the camera 10 from being in the high-temperature area for a long time.

[0065] This system achieves a leap in the performance of industrial monitoring equipment through four innovative designs: chain drive, pneumatic drive, protective sleeve, and emergency switching. Compared to the average service life of 3 months for traditional converter monitoring equipment, the service life of this device is extended to 24 months, the need for manual intervention is reduced by 98%, and the equipment damage rate is reduced by 90%. In an industrial test at a steel plant in 2025, the device successfully provided early warnings for refractory material falling off the taphole five times, directly avoiding economic losses of over 50 million yuan, and promoting the paradigm shift of industrial visual monitoring from a "working condition recording tool" to a "safety production guardian".

[0066] This invention effectively solves the problem of monitoring the tapping furnace mouth of converter steelmaking through automated posture adjustment and multiple protections against harsh environments, reducing labor costs and equipment risks, and has high practicality and promotion value.

[0067] All components mentioned in this article are general standard parts or components known to those skilled in the art. Their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods, so they will not be described in detail here.

[0068] While the specific embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention, and modifications or variations without creative effort are still within the protection scope of the present invention.

Claims

1. A rotary converter steel tapping monitoring system, characterized in that, include: The support frame (1) is installed laterally on the converter insulation door; The drive unit (3), which is fixedly installed on the left side of the support frame (1) via the first support (2), is used to provide rotational power to the clamping rotation mechanism (9); The bearing housing (8) is fixedly installed at the right end of the support frame (1) by the second support (7) and is used to install the clamping and rotating mechanism (9); A clamping and rotating mechanism (9) is rotatably mounted on a bearing seat (8) for clamping a protective sleeve (11) and thus fixing a camera (10). The clamping and rotating mechanism (9) has two positions: a working position and a standby position. In the working position, the clamping and rotating mechanism (9) rotates to the right, and the axis of the camera (10) is perpendicular to the converter heat exchanger door. In the standby position, the mechanism rotates to the left, and the axis of the camera (10) is still perpendicular to the converter heat exchanger door. A transmission assembly is used to connect the drive unit (3) and the clamping rotation mechanism (9) to transmit the power of the drive unit (3); Camera (10), which is connected to the central control evaluation system, is used to transmit the collected converter furnace mouth images to the central control evaluation system; A protective sleeve (11) is fitted over the outside of the camera (10) to protect the camera (10); A manual traction device is located next to the drive unit (3) and is connected to the clamping and rotating mechanism (9) for transferring the camera (10) to the standby position in an emergency.

2. The rotary converter tapping monitoring system according to claim 1, characterized in that: The clamping and rotating mechanism (9) includes a horizontal bar (901), one end of which is mounted on a bearing seat (8) via a rotating shaft, and the other end is fixedly connected to a vertical bar (902). The horizontal bar (901) and the vertical bar (902) form an L-shaped structure. A horizontally arranged L-shaped fixing frame (903) is fixedly installed on the top of the vertical bar (902). An assembly plate (904) is installed below the long side of the L-shaped fixing frame (903), and a protective sleeve (11) is fixedly installed on the assembly plate (904).

3. The rotary converter tapping monitoring system according to claim 2, characterized in that: The transmission assembly includes a drive sprocket (4) and a driven sprocket (6). The drive sprocket (4) is mounted on the drive device (3), and the driven sprocket (6) is fixedly mounted on the bottom of the shaft connecting the crossbar (901) and the bearing seat (8). The drive sprocket (4) and the driven sprocket (6) are driven by a chain (5). The drive device (3) is a pneumatic motor.

4. The rotary converter tapping monitoring system according to claim 2, characterized in that: The assembly plate (904) is parallel to the converter insulation door and is set in two vertically equidistant positions. A circular hole is opened at the center of the assembly plate (904). The protective sleeve (11) is fitted into the circular hole and is fixedly connected to the assembly plate (904) by bolts.

5. The rotary converter tapping monitoring system according to claim 2, characterized in that: Triangular reinforcing plates are installed between the top of the vertical rod (902) and the L-shaped fixing frame (903), and between the L-shaped fixing frame (903) and the assembly plate (904).

6. The rotary converter tapping monitoring system according to claim 2, characterized in that: The manual traction device is a manual traction rope. One end of the manual traction rope is set at the connection between the horizontal bar (901) and the vertical bar (902), and the other end is set on the drive device (3). The manual traction rope is made of high temperature resistant and flame retardant material.

7. The rotary converter tapping monitoring system according to claim 1, characterized in that: The protective sleeve (11) has a three-layer structure, including an outer layer (1111), a middle layer (1112), and an inner layer (1113); the outer layer (1111) and the inner layer (1113) are stainless steel shells; the middle layer (1112) is a cooling channel; the bottom of the outer layer (1111) near the converter end is provided with a water inlet (1101), and the top away from the converter end is provided with a water outlet (1102); cooling water is introduced into the middle layer (1112) to ensure that the camera (10) works stably in a high-temperature environment; the inner layer (1113) is fixed with an installation platform (1108), and the camera (10) is installed on the installation platform (1108) by bolts.

8. The rotary converter tapping monitoring system according to claim 7, characterized in that: A high-temperature resistant lens (1105) is installed on the end face of the protective sleeve (11) near the converter. The high-temperature resistant lens (1105) is detachably installed by screws (1106). A first air outlet (1104) and a second air outlet (1107) are provided on the high-temperature resistant lens (1105). An air inlet (1103) and a cable inlet (1109) are provided on the end face of the protective sleeve (11) away from the converter. The cable inlet (1109) is used for the cable of the camera (10) to pass through in a sealed manner. The air inlet (1103) is connected to a compressed air positive pressure system. Compressed air is ejected through the first air outlet (1104) and the second air outlet (1107) to form an air curtain on the outside of the high-temperature resistant lens (1105), which blocks the penetration of dust and water mist and provides a clear observation environment for the camera (10).

9. A rotary converter tapping monitoring system according to claim 8, characterized in that: The screws (1106) are divided into two equidistant rings, with four on the outer ring and three on the inner ring; the cooling channel of the middle layer (1112) is a spiral channel; the first vent (1104) has a diameter of 3 mm and is set to twelve equidistant rings; the second vent (1107) has a diameter of 4.2 mm and is set to two symmetrically; the protective sleeve (11) also has an integrally formed protective flange (1110) on the end face near the converter, which is used to block splashes from the furnace opening.

10. A rotary converter tapping monitoring system according to claim 1, characterized in that: The support frame (1) is equipped with limit switches at the ends corresponding to the working position and the standby position. The trigger end of the limit switch is adapted to the crossbar (901) of the clamping and rotating mechanism (9) and is used to trigger the stop when the clamping and rotating mechanism (9) reaches the working position.

Images