A high-temperature-resistant and dust-proof glass door
By designing a high-temperature resistant and dustproof glass door and equipping it with a blower mechanism, the problems of light path obstruction and measurement errors caused by dust adhesion were solved, enabling the glass door to operate stably and measure accurately in high-temperature and dusty environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANJING YUGONG INTELLIGENT TECH CO LTD
- Filing Date
- 2025-06-26
- Publication Date
- 2026-06-16
AI Technical Summary
In high-temperature and dusty environments, existing glass doors are prone to dust accumulation, which can obstruct the laser scanner's optical path and cause measurement errors, making it impossible to provide accurate furnace lining thickness data.
Design a high-temperature resistant and dustproof glass door equipped with a blower mechanism. The blower sends air to the fixed frame through the air inlet pipe, forming an airflow barrier to cool and blow away dust from the glass door surface, preventing dust from adhering.
It effectively prevents dust from adhering, keeps the glass door surface clean, ensures the laser scanner's optical path is unobstructed, improves measurement accuracy, and provides a reliable basis for converter maintenance.
Smart Images
Figure CN224362802U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of industrial equipment protection technology, specifically a high-temperature resistant and dustproof glass door. Background Technology
[0002] In converter steelmaking, the furnace lining, as a key structure bearing high-temperature molten steel and slag, directly affects the safe operation and service life of the converter. When the furnace lining thickness is below the safe threshold, it may lead to serious accidents such as furnace body leakage. Therefore, regularly measuring the furnace lining thickness using precision instruments such as laser scanners is a necessary means to ensure production safety.
[0003] However, the environment surrounding a converter is one of the most demanding in the industrial sector. The combination of high-temperature radiation (temperatures can reach hundreds or even thousands of degrees Celsius) and pervasive dust (mainly metal oxides and slag particles generated during steelmaking) poses a significant threat to the stable operation of thickness gauges. To address this issue, current technologies typically employ glass doors for physical protection of the instrument, attempting to achieve long-term stable operation by isolating it from high temperatures and dust.
[0004] However, in practical applications, this protective method has revealed significant drawbacks: the dust generated during converter production has strong adsorption properties and continuously adheres to the surface of the glass door. Over time, the accumulation of dust not only blocks the light path of the laser scanner but also causes light scattering and refraction, leading to a non-negligible error in the instrument's measurement of the furnace lining thickness. In severe cases, it may even completely distort the measurement data, making it impossible to provide accurate information for converter maintenance. Therefore, a new technical solution is needed to address this issue. Utility Model Content
[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide a high-temperature resistant and dustproof glass door to solve the technical problem that the accumulation of dust on the surface of the current glass door not only blocks the light path of the laser scanner, but also causes light scattering and refraction, thus causing the instrument to produce a non-negligible error in measuring the thickness of the furnace lining.
[0006] To achieve the purpose of this utility model, the technical solution adopted by this utility model is as follows: design a high temperature resistant and dustproof glass door, including: a glass door set at the front opening of the protective box for laser scanner protection, and a blower mechanism set inside the protective box for cooling and dust removal of the glass door;
[0007] The blower mechanism includes a hollow structure fixing frame fixedly connected to the inner wall of the opening of the protective box, the glass door fixedly connected to the inner side of the fixing frame, and a first air outlet hole located on the front side of the glass door is opened on the upper and lower sides of the inner cavity of the fixing frame.
[0008] The blower mechanism also includes a fan fixedly connected to the rear end of the protective box, and the air outlet of the fan is connected to the hollow structure of the fixed frame through an air inlet pipe that penetrates the protective box.
[0009] Preferably, the first air outlet on the upper side of the inner cavity of the fixed frame is inclined at 10° and faces the glass door, and the first air outlet on the lower side of the inner cavity of the fixed frame is inclined at 15° and faces the glass door.
[0010] Preferably, the inner cavity of the fixed frame is provided with a second air outlet on both sides, which communicates with the inner cavity of the fixed frame, and the direction of the two second air outlets is parallel to the glass door.
[0011] Preferably, the front opening of the protective box is fixedly connected to both the upper and lower sides with a clamping plate. Both clamping plates are L-shaped, and two protective doors are slidably connected between the two clamping plates. Both sides of the top of the clamping plates are fixedly connected with cylinders, and the driving ends of the two cylinders are fixedly connected with fixing plates. The fixing plates are fixedly connected to the outer side of the protective doors.
[0012] Preferably, a filter frame is provided on the protective box outside the fan, and an installation plate is fixedly connected to the outside of the filter frame. A fixing bolt passes through the installation plate and is threadedly connected to the surface of the protective box.
[0013] Preferably, a mounting bracket is fixedly connected to the bottom of the inner cavity of the protective box, and the mounting bracket has mounting holes, the positions of which are adapted to the installation requirements of the laser scanner.
[0014] Preferably, a connecting plate that can be connected to the bracket is fixedly connected to the bottom center of the protective box. The connecting plate has a connecting hole, and the position of the connecting hole is adapted to the position of the connecting hole on the bracket.
[0015] Preferably, the glass door is integrally formed from microcrystalline glass through a melt casting process.
[0016] Preferably, the bottom of the card plate on the lower front side of the protective box is provided with a chip removal hole, and the chip removal hole is connected to the inner cavity of the card plate.
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0018] By using a blower mechanism, air is supplied to the hollow structure of the fixed frame through the air inlet pipe, and then blown onto the glass door surface through the first air outlet on the upper and lower sides of the fixed frame cavity. This creates an airflow barrier on the glass door surface. This airflow barrier cools the glass door, preventing the high-temperature environment from affecting its performance and improving its high-temperature resistance. On the other hand, the continuous airflow effectively prevents dust from adhering to the glass door surface. Even if a small amount of dust falls, it can be blown away by the airflow in time, thus keeping the glass door surface clean. This ensures that the laser scanner's optical path is not blocked by dust, making the instrument's measurement of the furnace lining thickness more accurate and providing a reliable basis for converter maintenance. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall front-end structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the overall rear-end structure of this utility model;
[0021] Figure 3 This is a schematic diagram of the connection structure between the protective box and the fan of this utility model;
[0022] Figure 4 This is a schematic diagram of the internal structure of the protective box of this utility model;
[0023] Figure 5 This is a schematic diagram of the connection structure between the fan and the fixed frame of this utility model;
[0024] Figure 6 This is a sectional front view of the connection between the fixed frame and the glass door of this utility model.
[0025] In the diagram: 1. Protective box; 2. Clamping plate; 21. Protective door; 22. Cylinder; 23. Fixing plate; 24. Chip removal hole; 3. Fixing frame; 31. Glass door; 32. Air inlet pipe; 33. Fan; 34. Second air outlet; 35. First air outlet; 4. Connecting plate; 5. Filter frame; 51. Mounting plate; 52. Fixing bolt; 6. Mounting bracket; 61. Mounting hole. Detailed Implementation
[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments:
[0027] Example 1: A high-temperature resistant and dustproof glass door, see [link to example]. Figures 1 to 6 The protective box 1 includes a glass door 31 located at the front opening for laser scanner protection, and a blower mechanism located inside the protective box 1 for cooling and dust removal of the glass door 31. The protective box 1 is made of high-temperature resistant stainless steel and has a layer of heat insulation material on its inner wall.
[0028] The blower mechanism includes a hollow structure fixing frame 3 fixedly connected to the inner wall of the opening of the protective box 1, the glass door 31 fixedly connected to the inner side of the fixing frame 3, and the upper and lower sides of the inner cavity of the fixing frame 3 are provided with a first air outlet 35 located in front of the glass door 31.
[0029] The blower mechanism also includes a blower 33 fixedly connected to the rear end of the protective box 1. The air outlet of the blower 33 is connected to the hollow structure of the fixed frame 3 through an air inlet pipe 32 that passes through the protective box 1.
[0030] During operation, by placing the glass door 31 at the front opening of the protective box 1, a physical protective barrier can be directly formed for the laser scanner, effectively isolating the dust generated during the converter production process and preventing dust from directly adhering to the laser scanner and affecting its operation. Through the setting of the blower mechanism, the blower 33 sends air to the hollow structure of the fixed frame 3 through the air inlet pipe 32, and then blows air onto the surface of the glass door 31 through the first air outlet 35 on the upper and lower sides of the inner cavity of the fixed frame 3. This can form an airflow barrier on the surface of the glass door 31. This airflow barrier can cool the glass door 31 on the one hand, preventing the high temperature environment from affecting the performance of the glass door 31 and improving the high temperature resistance of the glass door 31; on the other hand, the continuous airflow blowing on the surface of the glass door 31 can effectively prevent dust from adhering. Even if a small amount of dust falls, it can be blown away by the airflow in time, thereby keeping the surface of the glass door 31 clean and ensuring that the light path of the laser scanner is not blocked by dust. This makes the instrument's measurement of the furnace lining thickness more accurate and provides a reliable basis for converter maintenance.
[0031] For details, see Figure 6 The first air outlet 35 on the upper side of the inner cavity of the fixed frame 3 is inclined at 10° and faces the glass door 31. The first air outlet 35 on the lower side of the inner cavity of the fixed frame 3 is inclined at 15° and faces the glass door 31. The airflow inclined at 10° on the upper side can blow on the upper area of the glass door 31 at a relatively gentle angle, while the airflow inclined at 15° on the lower side acts on the lower area of the glass door 31 at a slightly larger angle. This combination allows the airflow to cover the surface of the glass door 31 more evenly, enhancing the dust removal effect on the surface of the glass door 31. In particular, it can play a good role in removing dust in different locations, further improving the dust prevention effect, ensuring that the surface of the glass door 31 is always kept clean, and reducing the impact of dust on the optical path of the laser scanner.
[0032] Further, see Figure 5 and Figure 6The fixed frame 3 has two second air outlets 34 on both sides of its inner cavity, which communicate with the inner cavity of the fixed frame 3. The direction of the two second air outlets 34 is parallel to that of the glass door 31. By opening the second air outlets 34 on both sides of the inner cavity of the fixed frame 3, which communicate with the inner cavity and are parallel to the direction of the glass door 31, the airflow can not only blow on the surface of the glass door 31 from the top and bottom, but also blow out from both sides parallel to the surface of the glass door 31. In this way, a more complete airflow protection area is formed around the glass door 31. The airflow acts on the glass door 31 from multiple directions, including the top, bottom, and sides, which can effectively prevent dust from entering the protective box 1 from the side gaps of the glass door 31. At the same time, it can also sweep away the dust on both sides of the surface of the glass door 31, further enhancing the dustproof effect. Moreover, the airflow blown out parallel from both sides can cooperate with the airflow from the top and bottom sides to form a more stable airflow barrier, better keep the surface of the glass door 31 clean, ensure the smooth optical path of the laser scanner, and make the measurement data more accurate and reliable.
[0033] It is worth noting that, see Figure 1 The protective box 1 has two L-shaped clamping plates 2 fixedly connected to the upper and lower sides of its front opening. Two protective doors 21 are slidably connected between the two clamping plates 2. Cylinders 22 are fixedly connected to the top two sides of the clamping plates 2. Fixing plates 23 are fixedly connected to the driving ends of the two cylinders 22. The fixing plates 23 are fixedly connected to the outer side of the protective doors 21. The main material of the protective doors 21 is glass fiber reinforced resin matrix composite material, and the surface of the protective doors 21 is coated with a high-temperature resistant coating. When the laser scanner needs to work, the cylinders 22 drive the fixing plates 23 to slide the protective doors 21 open, exposing the glass door 31 to ensure unobstructed light path. When not in operation, the protective doors 21 are closed to form a double protective barrier, which can prevent dust from directly invading the glass door 31 and prevent dust from entering the protective box 1 if the glass door 31 is accidentally broken.
[0034] It is worth noting that, see Figure 2 A filter frame 5 is provided on the protective box 1 outside the fan 33. An installation plate 51 is fixedly connected to the outside of the filter frame 5. A fixing bolt 52 passes through the installation plate 51 and is threaded to the surface of the protective box 1. The filter frame 5 can filter the air entering the fan 33. Since the air in the converter production environment may contain dust and other impurities, the filter frame 5 can effectively intercept the dust in the air, prevent the dust from entering the fixed frame 3 with the airflow and being blown onto the surface of the glass door 31, and prevent the airflow from carrying impurities due to the fan 33 sucking in dust. This ensures that the airflow blown out by the blower is clean, avoids secondary pollution of the glass door 31, and ensures that the airflow barrier can both cool down and effectively prevent dust, maintain the measurement accuracy of the laser scanner. Furthermore, the fixing bolt 52 and the installation plate 51 not only facilitate the disassembly and cleaning of the filter frame 5, but also facilitate the maintenance of the fan 33.
[0035] It is worth mentioning that, see Figure 4 The bottom of the inner cavity of the protective box 1 is fixedly connected to a mounting bracket 6. The mounting bracket 6 has a mounting hole 61. The position of the mounting hole 61 is adapted to the installation requirements of the laser scanner. The laser scanner can be accurately positioned and installed through the mounting bracket 6 and the mounting hole 61.
[0036] It is worth mentioning that, see Figure 2 The protective box 1 is fixedly connected to the bottom center with a connecting plate 4 that can be connected to the bracket. The connecting plate 4 has a connecting hole, and the position of the connecting hole matches the position of the connecting hole on the bracket. The protective box 1 can be quickly installed and fixed through the connecting plate 4 and the connecting hole.
[0037] It is worth mentioning that, see Figure 1 The glass door 31 is integrally formed from microcrystalline glass through a melt casting process. Microcrystalline glass has excellent high temperature resistance and can maintain structural stability in the high temperature environment of the converter, avoiding deformation or cracking of the glass door 31 due to excessive temperature, and ensuring the integrity of the protective barrier.
[0038] It is worth mentioning that, see Figure 2 The bottom of the card plate 2 on the lower front side of the protective box 1 is provided with a chip removal hole 24, and the chip removal hole 24 is connected to the inner cavity of the card plate 2. When the protective door 21 slides, the dust on the card plate 2 is easily driven to accumulate at the lower card plate 2. The chip removal hole 24 can discharge this dust out of the protective box 1 in time, and prevent the dust from accumulating in the inner cavity of the card plate 2 and affecting the smooth sliding of the protective door 21.
[0039] In addition, all components designed in this utility model are general standard parts or components known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. Those skilled in the art can fully implement them, so there is no need to elaborate. The content protected by this utility model does not involve improvements to the internal structure and method.
[0040] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of this utility model based on the above embodiments and make different extensions and variations. However, as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.
Claims
1. A high-temperature resistant and dustproof glass door, characterized in that, include: A glass door (31) for laser scanner protection is located at the front opening of the protective box (1), and a blower mechanism for cooling and dust removal of the glass door (31) is located inside the protective box (1). The blower mechanism includes a hollow structure fixed frame (3) fixedly connected to the inner wall of the opening of the protective box (1), the glass door (31) is fixedly connected to the inner side of the fixed frame (3), and the upper and lower sides of the inner cavity of the fixed frame (3) are provided with a first air outlet (35) located in front of the glass door (31). The blower mechanism also includes a blower (33) fixedly connected to the rear end of the protective box (1). The air outlet of the blower (33) is connected to the hollow structure of the fixed frame (3) through the air inlet pipe (32) that passes through the protective box (1).
2. The high-temperature resistant and dustproof glass door as described in claim 1, characterized in that, The first air outlet (35) on the upper side of the inner cavity of the fixed frame (3) is inclined at 10° and is opposite to the glass door (31). The first air outlet (35) on the lower side of the inner cavity of the fixed frame (3) is inclined at 15° and is opposite to the glass door (31).
3. The high-temperature resistant and dustproof glass door as described in claim 1, characterized in that, The inner cavity of the fixed frame (3) is provided with a second air outlet (34) on both sides, which communicates with the inner cavity of the fixed frame (3). The direction of the two second air outlets (34) is parallel to the glass door (31).
4. A high-temperature resistant and dustproof glass door as described in claim 1, characterized in that, The front opening of the protective box (1) is fixedly connected to the upper and lower sides of the card plate (2). Both card plates (2) are L-shaped. Two protective doors (21) are slidably connected between the two card plates (2). Cylinders (22) are fixedly connected to the top two sides of the card plate (2). The driving ends of the two cylinders (22) are fixedly connected to the fixing plate (23). The fixing plate (23) is fixedly connected to one side of the outer end of the protective door (21).
5. A high-temperature resistant and dustproof glass door as described in claim 1, characterized in that, A filter frame (5) is provided on the protective box (1) outside the fan (33). An installation plate (51) is fixedly connected to the outside of the filter frame (5). A fixing bolt (52) passes through the installation plate (51) and is threaded to the surface of the protective box (1).
6. A high-temperature resistant and dustproof glass door as described in claim 1, characterized in that, The bottom of the inner cavity of the protective box (1) is fixedly connected to a mounting bracket (6), and the mounting bracket (6) has a mounting hole (61) which is adapted to the installation requirements of the laser scanner.
7. A high-temperature resistant and dustproof glass door as described in claim 1, characterized in that, The bottom center of the protective box (1) is fixedly connected to a connecting plate (4) that can be connected to the bracket. The connecting plate (4) has a connecting hole, and the position of the connecting hole is adapted to the position of the connecting hole on the bracket.
8. A high-temperature resistant and dustproof glass door as described in claim 1, characterized in that, The glass door (31) is integrally formed from microcrystalline glass through a melt casting process.
9. A high-temperature resistant and dustproof glass door as described in claim 4, characterized in that, The bottom of the card plate (2) on the lower front side of the protective box (1) is provided with a chip removal hole (24), and the chip removal hole (24) is connected to the inner cavity of the card plate (2).