Shrinkage-cavity-free fused alumina zirconia porous brick heat preservation casting structure

Abstract

The utility model relates to the technical field of production of non-shrinkage-cavity fused alumina zirconia hole bricks, and discloses a non-shrinkage-cavity fused alumina zirconia hole brick heat preservation casting structure which comprises supporting legs, the corresponding sides of the lower portions of the supporting legs are fixedly connected with a containing plate, the right side of the upper portion of the containing plate is fixedly connected with a water tank, and the front side of the water tank is fixedly connected with a water inlet pipe. The front side of the upper portion of the water tank is fixedly connected with a cooling and heating integrated device, the rear side of the cooling and heating integrated device is fixedly connected with a connecting pipe, one end of the connecting pipe is fixedly connected with a water pump, the output end of the water pump is fixedly connected with a water conveying pipe, and one end of the water conveying pipe is fixedly connected with a mold. According to the cooling device for the non-shrinkage-cavity zirconia corundum hole brick, the non-shrinkage-cavity zirconia corundum hole brick is cooled, the situation that the die is cracked or broken due to rapid cooling and heating circulation is avoided, the non-shrinkage-cavity zirconia corundum hole brick is taken out rapidly and conveniently, the die cannot be damaged, the use applicability of the die is improved, and the service life of the die is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of production of zirconium corundum porous bricks without shrinkage cavities, in particular to a thermal insulation casting structure of zirconium corundum porous bricks without shrinkage cavities. Background Art

[0002] The non-shrinkage zirconium corundum porous brick insulation casting structure is a kind of insulation material used in high temperature environment, usually composed of non-shrinkage zirconium corundum material. This material has excellent heat resistance and corrosion resistance, and is suitable for insulation casting of various high-temperature industrial equipment, such as furnaces, melting furnaces and high-temperature containers. Its structural design usually takes into account the insulation effect, durability and processability to ensure long-term stable operation in high temperature environment.

[0003] The existing shrinkage-free zirconium corundum porous brick insulation casting structure has a hollow brick sand mold, whose inner cavity constitutes the molding space of the electric-fused zirconium corundum brick, and the brick body sand mold is provided with a casting port connected to the molding space on the upper side, and the riser sand mold is an intermediate structure with upper and lower openings, whose lower mouth is connected to the casting port to constitute a casting channel of the molding space, and a protrusion is provided on the upper surface of the brick body sand mold on the outer side of the casting port, and a notch corresponding to the protrusion is provided on the inner wall of the lower end of the riser sand mold, and the protrusion is placed in the notch to constitute a leakage-proof structure for the casting liquid, which effectively prevents the leakage of the material liquid during the casting process of the electric-fused zirconium corundum brick, is easy to use, has good effect, and has good social and economic benefits, but in the rapid cooling and heating cycle, this structure may be prone to cracking or breaking, affecting its durability and service life. Therefore, technical personnel in this field provide a shrinkage-free zirconium corundum porous brick insulation casting structure to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a shrinkage-free zirconium corundum porous brick insulation casting structure, aiming to improve the problem in the prior art that this structure may easily crack or break during rapid cooling and heating cycles, affecting its durability and service life.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a shrinkage-free zirconium corundum porous brick insulation casting structure, comprising a supporting leg, a placing plate is fixedly connected to a side corresponding to the lower portion of the supporting leg, a water tank is fixedly connected to an upper right side of the placing plate, a water inlet pipe is fixedly connected to the front side of the water tank, a hot and cold integrated device is fixedly connected to the upper front side of the water tank, a connecting pipe is fixedly connected to the rear side of the hot and cold integrated device, one end of the connecting pipe is fixedly connected to a water pump, an output end of the water pump is fixedly connected to a water supply pipe, one end of the water supply pipe is fixedly connected to a mold, a side of the mold is fixedly connected to a return pipe, one end of the return pipe is fixedly connected to the left side of the water tank, a cooling groove is provided inside the mold, an operating table is fixedly connected to the upper portion of the supporting leg, a supporting frame is fixedly connected to the upper portion of the operating table, and a moving component is fixedly connected to the upper inner side of the supporting frame.

[0006] As a further description of the above technical solution:

[0007] The moving assembly includes a hydraulic cylinder, which is fixedly connected to the inner upper side of the support frame, the output end of the hydraulic cylinder is fixedly connected to a mold cover, the bottom of the mold cover is fixedly connected to three pressing blocks, the upper left and right sides of the mold cover are fixedly connected to telescopic rods, and one end of the telescopic rod is fixedly connected to the upper side of the inner wall of the support frame.

[0008] As a further description of the above technical solution:

[0009] The bottom of the operating table is fixedly connected to a fixed frame, the upper part of the fixed frame is fixedly connected to a hydraulic rod, the output end of the hydraulic rod is fixedly connected to a movable plate, the upper part of the movable plate is fixedly connected to evenly distributed connecting rods, the upper part of the connecting rods is fixedly connected to a push plate, and the left and right sides of the movable plate are fixedly connected to sliding components.

[0010] As a further description of the above technical solution:

[0011] The sliding assembly comprises a sliding block and a sliding groove, wherein the sliding block is fixedly connected to the left and right sides of the moving plate, the sliding groove is arranged on the left and right sides inside the fixing frame, and the sliding block is slidably connected inside the sliding groove.

[0012] As a further description of the above technical solution:

[0013] The connecting rod is slidably connected to the interior of the operating table.

[0014] As a further description of the above technical solution:

[0015] The push plate is slidably connected to the interior of the mold.

[0016] As a further description of the above technical solution:

[0017] The water delivery pipe and the return pipe are fixedly connected inside the operating table.

[0018] As a further description of the above technical solution:

[0019] The mold is fixedly connected to the upper part of the operating table.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the water pump, water tank, hot and cold integrated device, water pipe, cooling trough, reflux pipe and other structures are used in coordination to achieve the cooling of the non-shrinkage zirconia corundum porous bricks, and avoid rapid cooling and heating cycles that cause the mold to crack or break.

[0022] 2. In the utility model, by using the hydraulic rod, movable plate, connecting rod, push plate, sliding block, sliding groove and other structures in coordination, the non-shrinkage zirconia corundum porous bricks can be quickly and conveniently removed without damaging the mold, thereby improving the applicability and service life of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of a non-shrinkage zirconium corundum porous brick insulation casting structure proposed by the utility model;

[0024] Figure 2 A cross-sectional view of a mold for a non-shrinkage zirconium corundum porous brick insulation casting structure proposed by the utility model;

[0025] Figure 3 The utility model provides a partial structural schematic diagram of a shrinkage-free zirconium corundum porous brick insulation casting structure.

[0026] Legend:

[0027] 1. Support legs; 2. Operating table; 3. Support frame; 4. Mold; 5. Mold cover; 6. Telescopic rod; 7. Hydraulic cylinder; 8. Reflux pipe; 9. Fixed frame; 10. Hydraulic rod; 11. Moving plate; 12. Connecting rod; 13. Water tank; 14. Water inlet pipe; 15. Hot and cold integrated device; 16. Water pipe; 17. Water pump; 18. Cooling trough; 19. Push plate; 20. Sliding block; 21. Sliding trough; 22. Press block; 23. Placement plate. DETAILED DESCRIPTION

[0028] 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.

[0029] Reference Figure 1 and Figure 2 The utility model provides an embodiment: a non-shrinkage zirconium corundum porous brick insulation casting structure, comprising a support leg 1, a lower corresponding side of the support leg 1 is fixedly connected to a placement plate 23, an upper right side of the placement plate 23 is fixedly connected to a water tank 13, a front side of the water tank 13 is fixedly connected to a water inlet pipe 14, an upper front side of the water tank 13 is fixedly connected to a hot and cold integrated device 15, a rear side of the hot and cold integrated device 15 is fixedly connected to a connecting pipe, one end of the connecting pipe is fixedly connected to a water pump 17, and an output end of the water pump 17 is fixedly connected to A water pipe 16 is connected, one end of the water pipe 16 is fixedly connected to the mold 4, one side of the mold 4 is fixedly connected to the return pipe 8, one end of the return pipe 8 is fixedly connected to the left side of the water tank 13, a cooling groove 18 is opened inside the mold 4, the upper part of the support leg 1 is fixedly connected to the operating table 2, the upper part of the operating table 2 is fixedly connected to the support frame 3, the upper side of the inner part of the support frame 3 is fixedly connected to the moving component, the water pipe 16 and the return pipe 8 are fixedly connected to the inside of the operating table 2, and the mold 4 is fixedly connected to the upper part of the operating table 2;

[0030] The moving component includes a hydraulic cylinder 7, which is fixedly connected to the upper inner side of the support frame 3. The output end of the hydraulic cylinder 7 is fixedly connected to the mold cover 5, and the bottom of the mold cover 5 is fixedly connected to three pressing blocks 22. The upper left and right sides of the mold cover 5 are fixedly connected to telescopic rods 6, and one end of the telescopic rods 6 is fixedly connected to the upper inner wall of the support frame 3.

[0031] Water is injected into the water tank 13 through the water inlet pipe 14, and the water pump 17 and the integrated cold and hot device 15 are started. The water stored in the water tank 13 is sucked by the water pump 17, so that the water enters the integrated cold and hot device 15 for cooling or heating, and the water passes through the connecting pipe and the water pump 17 to the water pipe 16, and enters the cooling tank 18 to cool the non-shrinkage zirconia corundum porous bricks or adapt the mold 4 to the temperature, avoiding rapid cooling or cyclic heating that leads to a reduction in the service life. The cooling water returns to the water tank 13 through the reflux pipe 8 and is recycled to reduce the waste of water resources; the hydraulic cylinder 7 is started to drive the mold cover 5 to move, the top of the mold 4 is covered, and the non-shrinkage zirconia corundum porous bricks are flattened by the pressing block 22, and the telescopic rod 6 is pulled at the same time to keep the mold cover 5 stable.

[0032] Reference Figure 1 and Figure 3The bottom of the operating table 2 is fixedly connected to a fixed frame 9, the upper part of the fixed frame 9 is fixedly connected to a hydraulic rod 10, the output end of the hydraulic rod 10 is fixedly connected to a moving plate 11, the upper part of the moving plate 11 is fixedly connected to evenly distributed connecting rods 12, the upper part of the connecting rods 12 is fixedly connected to a push plate 19, the left and right sides of the moving plate 11 are fixedly connected to sliding components, the sliding components include sliding blocks 20 and sliding grooves 21, the sliding blocks 20 are fixedly connected to the left and right sides of the moving plate 11, the sliding grooves 21 are opened on the left and right sides of the fixed frame 9, the sliding blocks 20 are slidably connected to the inside of the sliding grooves 21; the connecting rods 12 are slidably connected to the inside of the operating table 2, and the push plate 19 is slidably connected to the inside of the mold 4.

[0033] By starting the hydraulic rod 10 to drive the connecting rod 12 to move through the moving plate 11, the sliding block 20 slides in the sliding groove 21, and the push plate 19 moves inside the mold 4, the non-shrinkage zirconia corundum porous brick is pushed out so that it can be taken out quickly and conveniently.

[0034] Working principle: when the device is needed, the water pump 17 is started to pump the water in the water tank 13, so that the water enters the interior of the hot and cold integrated device 15 for cooling or heating, and the water enters the water pump 17 through the connecting pipe, so that the water enters the interior of the water pipe 16, and then passes through the water pipe 16 to the interior of the cooling tank 18 to cool the zirconium corundum porous bricks without shrinkage cavities. The cooling water flows back to the interior of the water tank 13 through the left return pipe 8. In order to avoid cracking or breaking of the mold 4 during rapid cooling and heating cycles, the water is heated by the hot and cold integrated device 15 before pouring and transported to the interior of the cooling tank 18. During pouring, the hot and cold integrated device 15 is cooled to improve the temperature receiving capacity of the mold 4, thereby achieving cooling of the zirconium corundum porous bricks without shrinkage cavities, and avoiding rapid cooling and heating cycles that cause cracking or breaking of the mold 4.

[0035] By starting the hydraulic rod 10, the hydraulic rod 10 drives the moving plate 11 and the connecting rod 12 to move, which drives the push plate 19 to move, and at the same time drives the sliding block 20 to move inside the sliding groove 21, so that the non-shrinkage pore zirconium corundum porous bricks are pushed out of the mold 4, so that the non-shrinkage pore zirconium corundum porous bricks can be quickly and conveniently removed without causing damage to the mold 4, thereby improving the applicability and service life of the mold 4.

[0036] 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 non-shrinkage zirconium corundum porous brick insulation casting structure, comprising a support leg (1), characterized in that: A placement plate (23) is fixedly connected to a side corresponding to the lower part of the support leg (1), a water tank (13) is fixedly connected to the upper right side of the placement plate (23), a water inlet pipe (14) is fixedly connected to the front side of the water tank (13), a hot and cold integrated device (15) is fixedly connected to the upper front side of the water tank (13), a connecting pipe is fixedly connected to the rear side of the hot and cold integrated device (15), one end of the connecting pipe is fixedly connected to a water pump (17), and the output end of the water pump (17) is fixedly connected to an output pipe. A water pipe (16), one end of the water pipe (16) is fixedly connected to a mold (4), one side of the mold (4) is fixedly connected to a return pipe (8), one end of the return pipe (8) is fixedly connected to the left side of a water tank (13), a cooling groove (18) is provided inside the mold (4), the upper part of the support leg (1) is fixedly connected to an operating table (2), the upper part of the operating table (2) is fixedly connected to a support frame (3), and the upper inner side of the support frame (3) is fixedly connected to a moving component.

2. The non-shrinkage zirconium corundum porous brick insulation casting structure according to claim 1 is characterized by: The moving assembly comprises a hydraulic cylinder (7), the hydraulic cylinder (7) is fixedly connected to the inner upper side of the support frame (3), the output end of the hydraulic cylinder (7) is fixedly connected to a mold cover (5), the bottom of the mold cover (5) is fixedly connected to three pressing blocks (22), the upper left and right sides of the mold cover (5) are fixedly connected to telescopic rods (6), and one end of the telescopic rod (6) is fixedly connected to the inner wall upper side of the support frame (3).

3. The non-shrinkage zirconium corundum porous brick insulation casting structure according to claim 1 is characterized by: The bottom of the operating table (2) is fixedly connected to a fixed frame (9), the upper part of the fixed frame (9) is fixedly connected to a hydraulic rod (10), the output end of the hydraulic rod (10) is fixedly connected to a movable plate (11), the upper part of the movable plate (11) is fixedly connected to evenly distributed connecting rods (12), the upper part of the connecting rods (12) is fixedly connected to a push plate (19), and the left and right sides of the movable plate (11) are fixedly connected to sliding components.

4. The heat-insulating casting structure of the zirconium corundum porous brick without shrinkage cavity according to claim 3 is characterized in that: The sliding assembly comprises a sliding block (20) and a sliding groove (21), wherein the sliding block (20) is fixedly connected to the left and right sides of the movable plate (11), the sliding groove (21) is opened on the left and right sides inside the fixed frame (9), and the sliding block (20) is slidably connected inside the sliding groove (21).

5. The non-shrinkage zirconium corundum porous brick insulation casting structure according to claim 3 is characterized by: The connecting rod (12) is slidably connected inside the operating table (2).

6. The non-shrinkage zirconium corundum porous brick insulation casting structure according to claim 3 is characterized by: The push plate (19) is slidably connected inside the mold (4).

7. The non-shrinkage zirconium corundum porous brick insulation casting structure according to claim 3 is characterized by: The water delivery pipe (16) and the return pipe (8) are fixedly connected inside the operating table (2).

8. The non-shrinkage zirconium corundum porous brick insulation casting structure according to claim 1 is characterized by: The mold (4) is fixedly connected to the upper part of the operating table (2).

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