Preparation device of high-thermal-conductivity aluminum nitride ceramic for blast furnace lining

Abstract

The utility model discloses a high heat conduction aluminum nitride ceramic preparation device for blast furnace lining relates to ceramic material preparation technical field, specifically a high heat conduction aluminum nitride ceramic preparation device for blast furnace lining, including processing box and screen, the back of processing box is hinged with the sealing box cover through the hinge, and the inner wall of processing box is installed with servo motor and strip respectively, and the output of servo motor is installed with the disc with servo motor output end axle center being same circle center, and the bottom of disc is rotatably connected with the supporting rod through the axle rod. The high heat conduction aluminum nitride ceramic preparation device for blast furnace lining has the effect that is convenient to screen in the sealed environment, and through the cooperation of processing box and sealing box cover, it is convenient to provide the sealed space, through the cooperation of disc and supporting rod, it is convenient to adjust the movement of frame and screen, and the function of shaking and screening is played, through the rectangular sliding block, the guiding effect is played, and the screening effect of aluminum nitride powder is improved.

Description

Technical Field

[0001] This utility model relates to the field of ceramic material preparation technology, specifically to a device for preparing high thermal conductivity aluminum nitride ceramics for blast furnace lining. Background Technology

[0002] In the steel industry, the blast furnace is the core equipment for ironmaking. Its lining, as a critical structure directly in contact with high-temperature furnace charge, molten iron, and slag, must withstand extreme conditions such as high-temperature erosion (1200-1600℃), chemical corrosion, and material impact over long periods. The performance of the lining material directly determines the blast furnace's operational stability, maintenance cycle, and production costs. Aluminum nitride powder is highly hygroscopic and easily reacts with moisture in the air to form AlO(OH) and NH3, leading to oxidation of the powder surface (forming a low-thermal-conductivity Al2O3 layer). The screen, as a core component for screening, needs frequent replacement based on the raw material particle size requirements (e.g., an 800-mesh screen is needed to separate powders smaller than 5μm, and a 500-mesh screen is needed to separate powders smaller than 10μm).

[0003] Existing high thermal conductivity aluminum nitride ceramic preparation devices for blast furnace linings have poor sieving effect on aluminum nitride powder, affecting the preparation quality of aluminum nitride ceramics. Furthermore, existing high thermal conductivity aluminum nitride ceramic preparation devices for blast furnace linings are not convenient for changing screens of different specifications, which affects the sieving of aluminum nitride powder. The invention of a high thermal conductivity aluminum nitride ceramic preparation device for blast furnace linings solves the above problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides a high thermal conductivity aluminum nitride ceramic preparation device for blast furnace linings, which solves the problems mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: A high thermal conductivity aluminum nitride ceramic preparation device for blast furnace lining, comprising a processing box and a screen. A sealed box cover is hinged to the rear of the processing box. A servo motor and a strip plate are respectively installed on the inner wall of the processing box. A disc with the same center as the output axis of the servo motor is installed at the output end of the servo motor. A support rod is rotatably connected to the bottom of the disc via a shaft. An adjustment frame is rotatably connected to the end of the support rod away from the disc via a shaft. An adjustment frame is installed at both the front and rear of the adjustment frame. The rectangular slider has a support plate installed on the inner wall of the adjusting frame. A mating block is installed on the top of the screen. Threaded holes are opened on one side of the mating block and the inner wall of the adjusting frame. Bolts are installed inside the threaded holes. A feed pipe runs through the inside of the sealing box cover. A sealing cap is installed at the end of the feed pipe. A positioning block is installed in front of the sealing box cover. A cavity block is installed in front of the processing box. A T-shaped slide groove is opened inside the cavity block. A limit spring is installed inside the T-shaped slide groove. A T-shaped slider is installed at one end of the limit spring. A limit rod is installed at the end of the T-shaped slider.

[0008] Optionally, the strip plate has a rectangular groove inside with the front-to-back direction as the depth direction and the left-to-right direction as the length direction. The end of the rectangular slider is located inside the rectangular groove, and the rectangular slider can slide along the length direction of the rectangular groove.

[0009] Optionally, the screen is positioned inside the adjusting frame, with the bottom of the screen abutting against the top of the support plate, and the position of the feed pipe corresponding to the position of the adjusting frame.

[0010] Optionally, a positioning groove adapted to the positioning block is provided on the front of the cavity block, the end of the positioning block is located inside the positioning groove, and a limiting groove with the left and right direction as the depth direction is provided on both sides of the positioning block, and one end of the limiting rod is inserted into the limiting groove.

[0011] Optionally, the end of the T-shaped slider is located inside the T-shaped groove, and the T-shaped slider can slide along the length of the T-shaped groove.

[0012] Optionally, the bottom of the processing box is equipped with support legs and a discharge pipe, the discharge pipe is equipped with a valve, and the inner bottom wall of the processing box is inclined.

[0013] This invention provides a device for preparing high thermal conductivity aluminum nitride ceramics for blast furnace linings, which has the following advantages:

[0014] 1. This high thermal conductivity aluminum nitride ceramic preparation device for blast furnace lining, through the arrangement of a sealed box cover, servo motor, strip plate, disc, support rod, adjusting frame, rectangular slider, support plate, mating block, bolts, feed pipe, and sealing cap, enables convenient screening in a sealed environment. The combination of the processing box and the sealed box cover provides a sealed space, the combination of the disc and the support rod facilitates the movement of the adjusting frame and the screen, achieving a shaking screening effect, and the rectangular slider acts as a guide, improving the screening effect of aluminum nitride powder.

[0015] 2. This high thermal conductivity aluminum nitride ceramic preparation device for blast furnace lining, through the setting of positioning blocks, cavity blocks, limiting springs, T-shaped sliders and limiting rods, enables the device to facilitate the disassembly and replacement of the screen. The bolts facilitate the disassembly of the screen, and the cooperation of the positioning blocks and limiting rods facilitates the opening and closing of the sealing box cover, thereby facilitating the removal and replacement of the screen and the extraction of larger aluminum nitride powder particles screened out, improving the quality of the aluminum nitride powder and achieving the goal of improving practicality. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a structural schematic diagram of the present invention viewed from below in cross-section;

[0018] Figure 3 This is a structural schematic diagram of the present invention in frontal cross-section;

[0019] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A;

[0020] Figure 5 This is a structural schematic diagram of the present invention in frontal cross-section;

[0021] Figure 6 This utility model Figure 5 Enlarged structural diagram at point B.

[0022] In the diagram: 1. Processing box; 2. Screen; 3. Sealing box cover; 4. Servo motor; 5. Strip plate; 6. Disc; 7. Support rod; 8. Adjustment frame; 9. Rectangular slider; 10. Support plate; 11. Mating block; 12. Bolt; 13. Feed pipe; 14. Sealing cap; 15. Positioning block; 16. Cavity block; 17. Limiting spring; 18. T-shaped slider; 19. Limiting rod; 20. Support leg; 21. Discharge pipe; 22. Valve. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example 1

[0025] Please see Figures 1 to 6 This utility model provides a technical solution: a high thermal conductivity aluminum nitride ceramic preparation device for blast furnace lining, comprising a processing box 1 and a screen 2. A sealing box cover 3 is hinged to the rear of the processing box 1. A servo motor 4 and a strip plate 5 are respectively installed on the inner wall of the processing box 1. A disc 6 with the same center as the output axis of the servo motor 4 is installed at the output end of the servo motor 4. A support rod 7 is rotatably connected to the bottom of the disc 6 via a shaft. An adjustment frame 8 is rotatably connected to the end of the support rod 7 away from the disc 6 via a shaft. Rectangular sliders 9 are installed on the front and back of the adjustment frame 8. A support rod 9 is installed on the inner wall of the adjustment frame 8. The support plate 10 and the top of the screen 2 are equipped with a mating block 11. Threaded holes are opened on one side of the mating block 11 and the inner wall of the adjusting frame 8. Bolts 12 are installed inside the threaded holes. The inside of the sealing box cover 3 is through a feed pipe 13. A sealing cap 14 is installed at the end of the feed pipe 13. A positioning block 15 is installed in front of the sealing box cover 3. A cavity block 16 is installed in front of the processing box 1. A T-shaped slide groove is opened inside the cavity block 16. A limit spring 17 is installed inside the T-shaped slide groove. A T-shaped slider 18 is installed at one end of the limit spring 17. A limit rod 19 is installed at the end of the T-shaped slider 18.

[0026] Specifically, the rectangular slider 9 plays a guiding role inside the rectangular chute, guiding the adjusting frame 8 and the screen 2, facilitating the shaking and screening of the screen 2.

[0027] Please see Figures 2 to 4 The strip plate 5 has a rectangular groove inside with the front and back direction as the depth direction and the left and right direction as the length direction. The end of the rectangular slider 9 is located inside the rectangular groove, and the rectangular slider 9 can slide along the length direction of the rectangular groove.

[0028] Specifically, the screen 2 serves as a sieve, the support plate 10 supports and places the screen 2, and the feed pipe 13 is aligned with the adjusting frame 8 to facilitate the aluminum nitride powder falling into the interior of the adjusting frame 8.

[0029] Please see Figures 2 to 4 The screen 2 is located inside the adjusting frame 8, and the bottom of the screen 2 abuts against the top of the support plate 10. The position of the feed pipe 13 corresponds to the position of the adjusting frame 8.

[0030] Specifically, the cooperation between the positioning block 15 and the positioning groove facilitates the closing of the sealing box cover 3, and the cooperation between the limiting rod 19 and the limiting groove facilitates the restriction of the position of the positioning block 15, thereby improving the stability of the sealing box cover 3 when closing.

[0031] Please see Figures 1 to 6 The front of the cavity block 16 is provided with a positioning groove that is compatible with the positioning block 15. The end of the positioning block 15 is located inside the positioning groove. Both sides of the positioning block 15 are provided with limiting grooves with the left and right directions as the depth direction. One end of the limiting rod 19 is inserted into the limiting groove.

[0032] Specifically, the T-shaped slider 18 plays a guiding role inside the T-shaped groove, improving the stability of the movement of the limit rod 19.

[0033] Please see Figures 5 to 6 The end of the T-shaped slider 18 is located inside the T-shaped groove, and the T-shaped slider 18 can slide along the length of the T-shaped groove.

[0034] Specifically, the inclined inner bottom wall of the processing box 1 facilitates the sliding of aluminum nitride powder to the discharge pipe 21, which is convenient for the discharge of aluminum nitride powder after screening.

[0035] Please see Figures 1 to 5 The bottom of the processing box 1 is provided with support legs 20 and discharge pipe 21. The discharge pipe 21 is equipped with a valve 22. The inner bottom wall of the processing box 1 is inclined.

[0036] During use, when sieving aluminum nitride powder, open the sealing cap 14 and feed the aluminum nitride powder into the processing box 1 through the feed pipe 13. The aluminum nitride powder falls onto the screen 2 inside the adjusting frame 8 and is sieved through the screen 2. Afterward, the sealing cap 14 is fitted onto the end of the feed pipe 13 to seal it. The cooperation between the processing box 1 and the sealing cap 3 provides a relatively enclosed space, preventing external moisture from contacting the aluminum nitride powder during sieving. The servo motor 4 drives the disc 6 to rotate. The two ends of the support rod 7 are rotatably connected to the disc 6 and the adjusting frame 8, respectively. The support rod 7 and the disc 6 are rotatably connected. The contact point revolves around the center of the disc 6, causing the support rod 7 to move. The movement of the support rod 7 provides a horizontal separation for the adjusting frame 8. The rectangular slider 9 acts as a guide inside the rectangular groove, causing the adjusting frame 8 to move the screen 2, facilitating the shaking and screening of the aluminum nitride powder. This allows for the screening of larger or agglomerated aluminum nitride powder, improving the quality of the powder. The screened aluminum nitride powder falls onto the inner bottom wall of the processing box 1. When screening and discharging are complete, valve 22 is opened, tilting the inner bottom wall of the processing box 1 to facilitate discharge from the discharge pipe 21. When replacing the screen 2, first open the sealed box. Cover 3, pull the limiting rod 19, causing the limiting rod 19 to move the T-shaped slider 18, guiding the T-shaped slider 18 inside the T-shaped groove, causing the limiting spring 17 to contract under force, and causing the end of the limiting rod 19 to leave the limiting groove. Then rotate the sealing box cover 3, causing the positioning block 15 to leave the positioning groove in an arc trajectory, facilitating the opening of the sealing box cover 3 and making it easy to remove the aluminum nitride powder screened on the screen 2. Tighten the bolt 12 to disengage the bolt 12 from the threaded hole, and then move the mating block 11 and the screen 2 upwards to facilitate the disassembly of the screen 2. When installing the screen 2, place the screen 2 inside the adjusting frame 8 so that the bottom of the screen 2 is aligned with the support. Plate 10 abuts against the inner wall of the screen 2 and the inner wall of the adjusting frame 8. At this time, the threaded hole on the mating block 11 is aligned with the threaded hole on the adjusting frame 8. Tighten the bolt 12 so that the bolt 12 enters the inside of the threaded hole, so that the mating block 11 is firmly connected to the inner wall of the adjusting frame 8, which facilitates the installation of the screen 2. Then rotate the sealing box cover 3 to close the processing box 1, so that the end of the positioning block 15 enters the inside of the positioning groove. Release the limiting rod 19, and through the elastic tension of the limiting spring 17, the end of the limiting rod 19 is inserted into the inside of the limiting groove, which facilitates the restriction of the position of the positioning block 15, improves the stability of the sealing box cover 3 closing, and improves practicality.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A device for preparing high thermal conductivity aluminum nitride ceramics for blast furnace linings, comprising a processing box and a screen, characterized in that: A sealed cover is hinged to the rear of the processing box. A servo motor and a strip plate are installed on the inner wall of the processing box. A disc with the same center as the output shaft of the servo motor is installed at the output end of the servo motor. A support rod is rotatably connected to the bottom of the disc via a shaft. An adjusting frame is rotatably connected to the end of the support rod away from the disc via a shaft. Rectangular sliders are installed at the front and rear of the adjusting frame. A support plate is installed on the inner wall of the adjusting frame. A mating block is installed on the top of the screen. Threaded holes are opened on one side of the mating block and on the inner wall of the adjusting frame. Bolts are installed inside the threaded holes. A feed pipe runs through the inside of the sealed cover. A sealing cap is installed at the end of the feed pipe. A positioning block is installed at the front of the sealed cover. A cavity block is installed at the front of the processing box. A T-shaped groove is opened inside the cavity block. A limit spring is installed inside the T-shaped groove. A T-shaped slider is installed at one end of the limit spring. A limit rod is installed at the end of the T-shaped slider.

2. The apparatus for preparing high thermal conductivity aluminum nitride ceramics for blast furnace lining according to claim 1, characterized in that: The strip plate has a rectangular groove inside, with the front and back direction as the depth direction and the left and right direction as the length direction. The end of the rectangular slider is located inside the rectangular groove, and the rectangular slider can slide along the length direction of the rectangular groove.

3. The apparatus for preparing high thermal conductivity aluminum nitride ceramics for blast furnace lining according to claim 1, characterized in that: The screen is located inside the adjusting frame, with its bottom abutting against the top of the support plate, and the feed pipe is positioned corresponding to the adjusting frame.

4. The apparatus for preparing high thermal conductivity aluminum nitride ceramics for blast furnace lining according to claim 1, characterized in that: The front of the cavity block is provided with a positioning groove that matches the positioning block. The end of the positioning block is located inside the positioning groove. Both sides of the positioning block are provided with limiting grooves in the left and right directions as the depth direction. One end of the limiting rod is inserted into the limiting groove.

5. The apparatus for preparing high thermal conductivity aluminum nitride ceramics for blast furnace lining according to claim 1, characterized in that: The end of the T-shaped slider is located inside the T-shaped groove, and the T-shaped slider can slide along the length of the T-shaped groove.

6. The apparatus for preparing high thermal conductivity aluminum nitride ceramics for blast furnace lining according to claim 1, characterized in that: The bottom of the processing box is equipped with support legs and a discharge pipe. The discharge pipe is equipped with a valve, and the inner bottom wall of the processing box is inclined.

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