Blast furnace air supply system with air leakage detection function

Abstract

The utility model relates to the technical field of blast furnace air supply equipment, and discloses a blast furnace air supply system with an air leakage detection function, which comprises an air supply pipeline, one end of the air supply pipeline is fixedly connected with a funnel, the inner wall of the funnel is slidably connected with a filter plate, and the outer wall of the filter plate is fixedly connected with a triangular positioning block. And the outer wall of the triangular positioning block is slidably connected to the interior of the funnel, a rotating disc is slidably connected to the outer wall of the funnel, a rotating plate is fixedly connected to the inner wall of the rotating disc, a sliding rod is slidably connected to the interior of the rotating plate, and a clamping block is fixedly connected to the outer wall of the sliding rod. According to the air filtering device for the blast furnace, firstly, the rotating plate is driven to rotate in the funnel by rotating the rotating disc, so that the problem that dust, metal chips and other impurities in air are difficult to filter is solved, and the effects that the impurities in the air are filtered, abrasion to the blast furnace and air supply equipment of the blast furnace is reduced, and the service life of the equipment is prolonged are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of blast furnace air supply equipment, in particular to a blast furnace air supply system with air leakage detection function. Background Art

[0002] The blast furnace air supply system is a key link in the blast furnace production process. It provides the necessary oxygen for the blast furnace to support the smelting reaction in the blast furnace. An advanced air supply system is usually equipped with an air leakage detection function to ensure the efficient operation of the system and production safety. Special sensors or detection equipment are installed in the air supply system, which can monitor whether there is air leakage in the system. Once an air leakage is detected, the system will immediately issue an alarm and can automatically adjust the air volume or shut down related components to reduce resource waste and maintain the normal operation of the system.

[0003] After searching, the publication number CN216155902U discloses a novel blast furnace tuyere air supply device, including an air supply pipe, a connecting pipe and an air inlet pipe arranged on the connecting pipe, and an air leakage detection device is arranged at the connection between the air supply pipe and the connecting pipe; the air leakage detection device includes two symmetrically arranged connecting semicircular plates, a first groove is opened on the inner side of the connecting semicircular plate, a plurality of through holes connecting the outside and the first groove are arranged on the left side of the connecting semicircular plate, a second groove is arranged on the outer side of the connecting semicircular plate, and an LED color light strip is arranged in the second groove; a fan is arranged in each through hole, and the current output end of the fan is connected in parallel through The ballast is connected to the LED color light strip; the utility model utilizes the characteristics of wind power generation to drive the LED color light strip to display different colors, so that on-site staff can observe whether there is any air leakage at any time, thereby improving the effective working cycle of the equipment. In this application, the characteristics of wind power generation are used to drive the LED color light strip to display different colors, so that on-site staff can observe whether there is any air leakage at any time. Such a setting makes it difficult to filter dust, metal chips and other impurities in the air, which will be sucked into the pipe and eventually enter the blast furnace, affecting the purity of the reaction in the furnace and the life of the blast furnace. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a blast furnace air supply system with air leakage detection, aiming to improve the problem that it is difficult to filter dust, metal chips and other impurities in the air, which affects the purity of the reaction in the furnace and the life of the blast furnace.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a blast furnace air supply system with air leakage detection, comprising an air supply duct, one end of the air supply duct is fixedly connected with a funnel, the inner wall of the funnel is slidably connected with a filter plate, the outer wall of the filter plate is fixedly connected with a triangular positioning block, the outer wall of the triangular positioning block is slidably connected to the inside of the funnel, the outer wall of the funnel is slidably connected with a rotating disk, the inner wall of the rotating disk is fixedly connected with a rotating plate, the inside of the rotating plate is slidably connected with a sliding rod, the outer wall of the sliding rod is fixedly connected with a card block, the outer wall of the card block is slidably connected between the filter plate and the inside of the funnel, the bottom of the card block is fixedly connected with a slider, the outer wall of the slider is slidably connected between the funnel and the filter plate, the top of the card block is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly connected to the inside of the funnel, the outer wall of the telescopic rod is sleeved with a spring, one end of the spring is fixedly connected to the outer wall of the card block, the other end of the spring is fixedly connected to the inside of the funnel, and the outer wall of the air supply duct is provided with a fixing component.

[0006] Furthermore, the fixing assembly comprises a fixing block, and an outer wall of the fixing block is fixedly connected to an outer wall of the air supply duct.

[0007] Furthermore, a rotating rod is rotatably connected inside the fixed block, and a worm is fixedly connected to an outer wall of the rotating rod.

[0008] Furthermore, a worm wheel is rotatably connected inside the fixed block, and the worm wheel is meshed with the worm.

[0009] Furthermore, a baffle is fixedly connected to the interior of the worm wheel, and an outer wall of the baffle is rotatably connected to the inner wall of the air supply duct.

[0010] Furthermore, a flange is fixedly connected to the outer wall of the air supply duct, and a clamping block is fixedly connected to the outer wall of the flange.

[0011] Furthermore, a screw rod is rotatably connected inside the clamping block, and a bolt is threadedly connected to the outer wall of the screw rod.

[0012] Furthermore, one end of the clamping block is rotatably connected to a fixing ring, and one end of the fixing ring is fitted with one end of the clamping block.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, firstly, the rotating plate is driven to rotate inside the funnel by rotating the rotating disk, and the sliding rod, the clamping block, the spring and the slider drive the clamping block to slide inside the filter plate and the funnel, so as to realize the disassembly and assembly of the filter screen, solve the problem of difficulty in filtering dust, metal chips and other impurities in the air, and achieve the effect of filtering the sundries in the air, thereby reducing the wear of the blast furnace and its air supply equipment, thereby extending the service life of the equipment.

[0015] 2. In the utility model, the air volume is first controlled by controlling the rotating rod to drive the worm to rotate, and the worm wheel drives the baffle to rotate, and then the flanges are connected by pulling the fixing ring to cooperate with the clamping block, screw and bolt. At the same time, a sensor for pressure detection is provided at the bottom to detect whether there is air leakage, so that the air supply volume can be adjusted according to the real-time needs of the blast furnace to maintain the best working state. At the same time, the operating state of the system can be monitored in real time to avoid energy loss and production safety problems caused by air leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of a blast furnace air supply system with air leakage detection proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the top side structure of a blast furnace air supply system with air leakage detection proposed by the utility model;

[0018] Figure 3 for Figure 2 A in the middle shows the enlarged picture;

[0019] Figure 4 This is a schematic diagram of the internal structure of a fixed block of a blast furnace air supply system with air leakage detection proposed by the utility model;

[0020] Figure 5 The utility model provides a schematic diagram of the flange external structure of a blast furnace air supply system with air leakage detection.

[0021] Legend:

[0022] 1. Air supply duct; 2. Funnel; 3. Filter plate; 4. Triangular positioning block; 5. Rotating disk; 6. Rotating plate; 7. Sliding rod; 8. Block; 9. Telescopic rod; 10. Spring; 11. Sliding block; 12. Fixed block; 13. Rotating rod; 14. Worm; 15. Worm wheel; 16. Baffle; 17. Flange; 18. Clamping block; 19. Screw; 20. Bolt; 21. Fixing ring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Reference Figure 1 - Figure 3 The utility model provides an embodiment: a blast furnace air supply system with air leakage detection, comprising an air supply duct 1, one end of the air supply duct 1 is fixedly connected with a funnel 2, the inner wall of the funnel 2 is slidably connected with a filter plate 3, the outer wall of the filter plate 3 is fixedly connected with a triangular positioning block 4, the outer wall of the triangular positioning block 4 is slidably connected to the inside of the funnel 2, the outer wall of the funnel 2 is slidably connected with a rotating disk 5, the inner wall of the rotating disk 5 is fixedly connected with a rotating plate 6, the interior of the rotating plate 6 is slidably connected with a sliding rod 7, and the outer wall of the sliding rod 7 is fixedly connected with A card block 8, the outer wall of which is slidably connected to the filter plate 3 and the inside of the funnel 2, a slider 11 is fixedly connected to the bottom of the card block 8, the outer wall of the slider 11 is slidably connected to the inside of the funnel 2 and the filter plate 3, a telescopic rod 9 is fixedly connected to the top of the card block 8, one end of the telescopic rod 9 is fixedly connected to the inside of the funnel 2, a spring 10 is sleeved on the outer wall of the telescopic rod 9, one end of the spring 10 is fixedly connected to the outer wall of the card block 8, and the other end of the spring 10 is fixedly connected to the inside of the funnel 2, and a fixing component is provided on the outer wall of the air supply duct 1;

[0025] Specifically, first, the rotating plate 6 is driven by the rotating disk 5, so that the rotating plate 6 rotates inside the funnel 2, so that the sliding rod 7 can slide in the arc-shaped sliding groove inside the rotating plate 6. In this process, the sliding block 11 plays a guiding role, so that the card block 8 can slide inside the filter plate 3 and the funnel 2, cleverly combining power transmission and guiding functions, and realizing convenient disassembly and assembly of the filter plate 3. When installing the filter plate 3, the operator must first align the triangular positioning block 4 on the outer wall of the filter plate 3 with the preset installation groove inside the funnel 2 for insertion and positioning, ensuring that the position of the filter plate 3 is accurate, laying the foundation for subsequent installation work. After positioning is completed, the spring 10 will automatically push the card block 8 to the inside of the filter plate 3. In this process, the force of the spring 10 makes the card block 8 fit tightly with the filter plate 3, ensuring that the filter plate 3 is stable and reliable during operation.

[0026] Reference Figure 4The fixing assembly includes a fixing block 12, the outer wall of the fixing block 12 is fixedly connected to the outer wall of the air supply duct 1, the fixing block 12 is rotatably connected to a rotating rod 13, the outer wall of the rotating rod 13 is fixedly connected to a worm 14, the fixing block 12 is rotatably connected to a worm wheel 15, the worm wheel 15 is meshed with the worm 14, the worm wheel 15 is fixedly connected to a baffle 16, and the outer wall of the baffle 16 is rotatably connected to the inner wall of the air supply duct 1;

[0027] Specifically, firstly, the rotating rod 13 is operated to rotate, thereby driving the worm 14 to rotate. The worm 14 and the worm wheel 15 are connected by threads, so that the worm wheel 15 can rotate with the rotation of the worm 14, and finally drive the baffle 16 to rotate inside the air supply duct 1, thereby realizing the adjustment of the air volume.

[0028] Reference Figure 5 The outer wall of the air supply duct 1 is fixedly connected with a flange 17, the outer wall of the flange 17 is fixedly connected with a clamping block 18, the inside of the clamping block 18 is rotatably connected with a screw 19, the outer wall of the screw 19 is threadedly connected with a bolt 20, one end of the clamping block 18 is rotatably connected with a fixing ring 21, and one end of the fixing ring 21 is in contact with one end of the clamping block 18;

[0029] Specifically, first place the fixing ring 21 on one end of the clamping block 18, and pull the fixing ring 21 to make one end of it fit tightly with the other end of the clamping block 18 to ensure the stability of the pipeline connection and lay the foundation for subsequent operations. Next, pull the screw 19 to make the screw 19 rotate at one end of the clamping block 18, and the bolt 20 will be guided to the top of the fixing ring 21. Then turn the bolt 20 to fix it on the fixing ring 21. The connection between the pipelines is firm and stable, avoiding leakage and other problems caused by loose connection, achieving tight sealing of the pipeline, and ensuring the safety of the medium transported by the pipeline. Finally, the detector under the clamping block 18 is used to detect air leakage at the pipeline connection.

[0030] Working principle: When it is necessary to use the blast furnace air supply system with air leakage detection, first, the rotating plate 6 is driven to rotate inside the funnel 2 by rotating the rotating disk 5, so that the slide bar 7 slides in the arc-shaped slide groove inside the rotating plate 6, and the block 8 is driven to slide inside the filter plate 3 and the funnel 2 under the guidance of the slider 11, so as to realize the disassembly and assembly of the filter plate 3. When installing, the triangular positioning block 4 on the outer wall of the filter plate 3 must first be aligned with the preset installation groove inside the funnel 2 for insertion and positioning, and then the block 8 is pushed to the inside of the filter plate 3 by the spring 10 for installation, so as to achieve the effect of facilitating the disassembly and assembly of the filter plate 3, and then the filter plate 3 can be easily disassembled and assembled by rotating. The rotating rod 13 drives the worm 14 to rotate inside the fixed block 12, thereby driving the worm wheel 15 to rotate, and then driving the baffle 16 to rotate inside the air supply duct 1 to adjust the excess air volume, and then the fixing ring 21 is pulled to rotate at one end of the clamping block 18, so that one end of the fixing ring 21 is fitted with the other end of the clamping block 18, and then the screw 19 is pulled to rotate at one end of the clamping block 18, so that one end of the bolt 20 is above the fixing ring 21, and then the bolt 20 is rotated to fix the fixing ring 21, thereby fixing the pipes, and finally, the detector under the clamping block 18 is used to detect air leakage at the pipe connection.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A blast furnace air supply system with air leakage detection, comprising an air supply duct (1), characterized in that: One end of the air supply duct (1) is fixedly connected to a funnel (2), the inner wall of the funnel (2) is slidably connected to a filter plate (3), the outer wall of the filter plate (3) is fixedly connected to a triangular positioning block (4), the outer wall of the triangular positioning block (4) is slidably connected to the inside of the funnel (2), the outer wall of the funnel (2) is slidably connected to a rotating disk (5), the inner wall of the rotating disk (5) is fixedly connected to a rotating plate (6), the inside of the rotating plate (6) is slidably connected to a sliding rod (7), the outer wall of the sliding rod (7) is fixedly connected to a clamping block (8), the outer wall of the clamping block (8) is slidably connected to the filter plate (3) and the inner wall of the rotating plate (6) is fixedly connected to the filter plate (3). Inside the funnel (2), the bottom of the block (8) is fixedly connected to a slider (11), the outer wall of the slider (11) is slidably connected to the inside of the funnel (2) and the filter plate (3), the top of the block (8) is fixedly connected to a telescopic rod (9), one end of the telescopic rod (9) is fixedly connected to the inside of the funnel (2), the outer wall of the telescopic rod (9) is sleeved with a spring (10), one end of the spring (10) is fixedly connected to the outer wall of the block (8), and the other end of the spring (10) is fixedly connected to the inside of the funnel (2), and the outer wall of the air supply duct (1) is provided with a fixing component.

2. A blast furnace air supply system with air leakage detection according to claim 1, characterized in that: The fixing assembly comprises a fixing block (12), the outer wall of the fixing block (12) being fixedly connected to the outer wall of the air supply duct (1).

3. A blast furnace air supply system with air leakage detection according to claim 2, characterized in that: The interior of the fixed block (12) is rotatably connected to a rotating rod (13), and the outer wall of the rotating rod (13) is fixedly connected to a worm (14).

4. A blast furnace air supply system with air leakage detection according to claim 3, characterized in that: A worm wheel (15) is rotatably connected inside the fixed block (12), and the worm wheel (15) is meshed with the worm (14).

5. A blast furnace air supply system with air leakage detection according to claim 4, characterized in that: A baffle (16) is fixedly connected to the interior of the worm wheel (15), and the outer wall of the baffle (16) is rotatably connected to the inner wall of the air supply duct (1).

6. A blast furnace air supply system with air leakage detection according to claim 1, characterized in that: The outer wall of the air supply duct (1) is fixedly connected to a flange (17), and the outer wall of the flange (17) is fixedly connected to a clamping block (18).

7. A blast furnace air supply system with air leakage detection according to claim 6, characterized in that: A screw rod (19) is rotatably connected inside the clamping block (18), and a bolt (20) is threadedly connected to the outer wall of the screw rod (19).

8. A blast furnace air supply system with air leakage detection according to claim 7, characterized in that: One end of the clamping block (18) is rotatably connected to a fixing ring (21), and one end of the fixing ring (21) is in contact with one end of the clamping block (18).

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