Drying equipment for extrusion-formed green bricks of sillimanite bricks

The rotary hot air drying equipment solved the problem of uneven heating of sillimanite brick blanks, achieving uniform drying of the brick blank surface, avoiding crack formation, and improving the drying effect.

CN224050947UActive Publication Date: 2026-03-27ZHENGZHOU ZHONGKE NEW MATERIALS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-30
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing drying equipment for sillimanite brick blanks has a fixed hot air drying direction, which leads to uneven heating of the brick blanks, easily causing surface cracks and affecting the drying effect.

Method used

The rotary hot air drying equipment uses a rotating outer and inner cylinder design, combined with a sealing ring and annular sealing cover, to ensure that hot air is evenly blown onto the surface of the brick blank, thereby improving the uniformity of heating.

Benefits of technology

It effectively avoids surface cracks in brick blanks and improves the uniformity and effectiveness of brick blank drying.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224050947U_ABST
    Figure CN224050947U_ABST
Patent Text Reader

Abstract

The utility model discloses extrusion forming green brick drying equipment for sillimanite bricks, which belongs to the field of green brick drying, and comprises a bottom support frame and a mesh belt conveyor, a pair of fixed transverse plates is fixedly mounted in the bottom support frame, and the mesh belt conveyor is fixedly mounted in the bottom support frame. A pair of guide pulleys are fixedly mounted at the top ends of the pair of fixed transverse plates, guide rings are mounted on the outer walls of the two pairs of guide pulleys, outer cylinders are fixedly mounted in the two guide rings, gear rings are fixedly mounted on the outer walls of the outer cylinders, and a driving motor is fixedly mounted on one side of the top end of the bottom supporting frame; the output end of the driving motor is in transmission connection with a speed reducer through a coupler, the output end of the speed reducer is in transmission connection with a linkage shaft through a coupler, a gear is fixedly installed at one end of the linkage shaft, hot air can be evenly blown to the surfaces of green bricks in a rotating mode, and therefore the uniformity of the green bricks during heating and drying is improved; and meanwhile, the phenomenon that cracks are generated on the surfaces of the green bricks due to uneven heating is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the brick field of drying, more specifically, relate to a kind of extrusion forming brick drying equipment of sillimanite brick. BACKGROUND

[0002] The forming and drying of sillimanite brick is a key process step, directly affecting the quality and performance of the brick. As a refractory material, sillimanite brick is widely used in high-temperature industrial equipment, especially in the furnace of the metallurgical, building materials and other industries. The drying process is crucial to avoid cracking and deformation of the brick during subsequent firing process. Common drying equipment includes hot air drying and others.

[0003] Based on the above, the present inventor found that the existing sillimanite brick drying equipment, the hot air drying direction is mostly fixed, which reduces the uniformity of brick heating, which may cause surface cracks of the brick, and reduces the drying effect of the brick. Therefore, in view of the above, the existing structure is improved, and a kind of extrusion forming brick drying equipment of sillimanite brick is provided, in order to achieve the purpose of more practical value. SUMMARY

[0004] 1. Technical problem to be solved

[0005] In view of the problems existing in the prior art, the purpose of the present utility model is to provide an extrusion forming brick drying equipment of sillimanite brick, which can realize the uniform blowing of hot air to the surface of the brick in a rotating manner, thereby improving the uniformity of the brick during heating and drying, and avoiding the phenomenon of cracks on the surface of the brick due to uneven heating.

[0006] 2. Technical solution

[0007] To solve the above problems, the utility model adopts the following technical solution.

[0008] The application discloses an extrusion forming brick blank drying equipment for silicate bricks, which comprises a bottom support frame and a mesh belt conveyor, a pair of fixed horizontal plates are fixedly arranged in the bottom support frame, a pair of guide pulleys are fixedly arranged at the top ends of the fixed horizontal plates, guide rings are arranged on the outer walls of the two pairs of guide pulleys, an outer cylinder is fixedly arranged in the guide rings, a gear ring is fixedly arranged on the outer wall of the outer cylinder, a driving motor is fixedly arranged on one side of the top end of the bottom support frame, a speed reducer is in transmission connection with the output end of the driving motor through a shaft coupling, a linkage shaft is in transmission connection with the output end of the speed reducer through a shaft coupling, a gear is fixedly arranged at one end of the linkage shaft, the gear is in meshing connection with the gear ring, an inner cylinder is arranged in the outer cylinder, a sealing partition ring is fixedly arranged on the outer wall of the inner cylinder, air outlets are uniformly fixedly arranged on the inner wall of the inner cylinder, the air inlet ends of the air outlets are located between the inner wall of the outer cylinder and the outer wall of the inner cylinder, annular sealing cover plates are arranged at the two ends of the outer cylinder, ventilation cavities are formed in the sides close to each other of the two annular sealing cover plates, one end of the outer wall of the ventilation cavity is connected with the inner wall of the ventilation cavity through a bearing, the inner wall of the inner cylinder and the outer wall of the outer cylinder are provided with closed air channels, sealing rings are fixedly arranged at the two ends of the inner wall of the ventilation cavity, one end of the sealing ring is embedded into the inner part of the closed air channel, air inlet pipes are fixedly connected to the outer walls of the two annular sealing cover plates, one end of the air inlet pipe extends into the inner part of the ventilation cavity, two pairs of support rods are fixedly arranged at the top end of the bottom support frame, a top support frame is fixedly arranged at the top ends of the two pairs of support rods, two industrial hot air machines are fixedly arranged at the top end of the top support frame, and one end of the air inlet pipe is fixedly connected with the air outlet end of the two industrial hot air machines respectively, and the mesh belt conveyor penetrates through the inner part of the inner cylinder through the annular sealing cover plate.

[0009] Further, the positions of the guide pulleys are symmetrical to each other, and the outer wall of the guide ring is tightly attached to the outer wall of the guide pulley.

[0010] Further, the top ends of the fixed horizontal plates are fixedly provided with a pair of limiting pulleys, and the outer walls of the limiting pulleys are tightly attached to the two sides of the outer walls of the two guide rings respectively.

[0011] Further, the outer wall of the sealing partition ring is fixedly connected with the inner wall of the outer cylinder, and the sealing partition ring is located at the middle position of the outer wall of the inner cylinder.

[0012] Further, one end of the outer cylinder and one end of the inner cylinder extend into the inner part of the ventilation cavity, and the inner part of the ventilation cavity and the gaps between the outer cylinder and the inner cylinder are in communication with each other.

[0013] Further, the two pairs of support rods are respectively located at the four corners of the top end of the bottom support frame, and the two annular sealing cover plates are fixedly connected with the sides close to each other of each pair of support rods through connecting rods.

[0014] 3. Beneficial effects

[0015] Compared with existing technologies, the advantages of this utility model are:

[0016] This solution, by setting up an outer cylinder, a drive motor, an inner cylinder, and an industrial hot air blower, allows brick blanks to be placed on a mesh belt conveyor after the device is put into use. The drive motor then rotates the outer cylinder while the annular sealing cover remains stationary. Using bearings on the outer wall of the outer cylinder, one end of both the outer and inner cylinders can rotate within the ventilation cavity of the annular sealing cover. The moving of the sealing ring within the enclosed air passage effectively improves the sealing of the cavity formed between the ventilation cavity and the outer and inner cylinders. The industrial hot air blower then delivers hot air through the inlet pipe into the annular sealing cover, ensuring the hot air fully enters the cavity between the outer and inner cylinders. The hot air is then blown onto the surface of the brick blanks through the outlet nozzles. Thus, while the mesh belt conveyor transports the brick blanks, it continuously applies hot air to the surface of the brick blanks in a rotating manner, effectively improving the uniformity of the brick blank drying process. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0018] Figure 2 This is a three-dimensional schematic diagram of the bottom support frame structure of this utility model;

[0019] Figure 3 This is a three-dimensional disassembled schematic diagram of the outer and inner cylinder structures of this utility model;

[0020] Figure 4 This is a three-dimensional disassembled schematic diagram of the annular sealing cover structure of this utility model;

[0021] Figure 5 This is a schematic side view of the outer cylinder structure of this utility model.

[0022] Figure 6 For the present utility model Figure 5 A magnified schematic diagram of the local structure at point A in the middle.

[0023] Explanation of the labels in the diagram:

[0024] 1. Bottom support frame; 2. Mesh belt conveyor; 3. Fixed cross plate; 4. Guide pulley; 5. Guide ring; 6. Outer cylinder; 7. Gear ring; 8. Drive motor; 9. Reducer; 10. Gear; 11. Limiting pulley; 12. Inner cylinder; 13. Sealing partition ring; 14. Air outlet; 15. Annular sealing cover; 16. Ventilation cavity; 17. Bearing; 18. Enclosed air passage; 19. Sealing ring; 20. Air inlet pipe; 21. Support rod; 22. Top support frame; 23. Industrial hot air blower. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] Embodiment

[0027] Please refer to Figures 1-6 A kind of extrusion forming brick billet drying equipment of silicate brick, including bottom support frame 1 and mesh belt conveyor 2, bottom support frame 1 It is fixedly installed with a pair of fixed horizontal plate 3 in the inside, a pair of fixed horizontal plate 3 Top end is fixedly installed with a pair of guide pulley 4, the outer wall of two pairs of guide pulley 4 It is placed and installed with guide ring 5, the inside of two guide rings 5 It is fixedly installed with outer cylinder 6, the outer wall of outer cylinder 6 It is fixedly installed with gear ring 7, the side of the top end of bottom support frame 1 It is fixedly installed with driving motor 8, the output end of driving motor 8 It is connected with speed reducer 9 by coupling transmission, the output end of speed reducer 9 It is connected with linkage shaft by coupling transmission, and one end of linkage shaft It is fixedly installed with gear wheel 10, gear wheel 10 With gear ring 7 It is meshedly connected, the inside of outer cylinder 6 It is provided with inner cylinder 12, the outer wall of inner cylinder 12 It is fixedly installed with sealed partition ring 13, the inner wall of inner cylinder 12 It is fixedly installed with air outlet nozzle 14, the air inlet end of air outlet nozzle 14 It is located between the inner wall of outer cylinder 6 With the outer wall of inner cylinder 12, the both ends of outer cylinder 6 It is provided with annular sealing cover plate 15, the side of two annular sealing cover plates 15 It is close to each other and is all provided with ventilation cavity 16, one end of the outer wall of ventilation cavity 16 It is connected with the inner wall of ventilation cavity 16 by bearing 17, the inner wall of inner cylinder 12 With the outer wall of outer cylinder 6 It is all provided with closed air passage 18, the both ends of the inner wall of ventilation cavity 16 It is fixedly installed with sealing ring 19, and one end of sealing ring 19 It is embedded and installed to the inside of closed air passage 18, the outer wall of two annular sealing cover plates 15 It is fixedly connected with air inlet pipe 20, and one end of air inlet pipe 20 It extends to the inside of ventilation cavity 16, the top end of bottom support frame 1 It is fixedly installed with two pairs of support rods 21, the top end of two pairs of support rods 21 It is fixedly installed with top support frame 22, the top end of top support frame 22 It is fixedly installed with two industrial hot air machines 23, and one end of two air inlet pipes 20 It is fixedly connected with the air outlet end of two industrial hot air machines 23, mesh belt conveyor 2 It is through annular sealing cover plate 15 and penetrates the inside of inner cylinder 12, the rotation of the device through outer cylinder 6 With inner cylinder 12, and through air inlet pipe 20 And annular sealing cover plate 15 Hot air is sent to the cavity formed between inner cylinder 12 and outer cylinder 6, then through air outlet nozzle 14 With the way of rotation, hot air is blown to the brick billet surface on mesh belt conveyor 2, so that the uniformity of brick billet drying heating is improved.

[0028] Referring to Figure 2 , each pair of guide pulleys 4 is symmetrical to each other, and the outer wall of the guide ring 5 is closely attached to the outer wall of the guide pulley 4; the top end of a pair of fixed horizontal plates 3 is fixedly installed with a pair of limiting pulleys 11, and the outer wall of each pair of limiting pulleys 11 is respectively closely attached to the two sides of the outer wall of the two guide rings 5. By setting the limiting pulley 11, the displacement or tilting phenomenon of the outer cylinder 6 during rotation can be effectively prevented.

[0029] Referring to Figure 3 , Figure 4 , Figure 5 The outer wall of the sealing partition ring 13 is fixedly connected with the inner wall of the outer cylinder 6, and the sealing partition ring 13 is located at the middle position of the outer wall of the inner cylinder 12. The sealing partition ring 13 connects the outer cylinder 6 and the inner cylinder 12, and at the same time divides the cavity formed between the outer cylinder 6 and the inner cylinder 12 into two parts. The two areas of the cavity are heated by the two annular sealing cover plates 15, so that the fullness of the hot air blowing out of the air outlet 14 can be effectively improved. One end of the outer cylinder 6 and the inner cylinder 12 extends to the inside of the ventilation cavity 16, and the inside of the ventilation cavity 16 and the gap between the outer cylinder 6 and the inner cylinder 12 are communicated with each other. The inside of the cavity formed between the ventilation cavity 16 and the outer cylinder 6 and the inner cylinder 12 is communicated, so that the outer cylinder 6 can effectively and continuously blow out hot air when rotating.

[0030] Referring to Figure 1 , the two pairs of support rods 21 are respectively located at the four corners of the top end of the bottom support frame 1, and the two annular sealing cover plates 15 are respectively fixedly connected with the side close to each pair of support rods 21 through the connecting rod. The annular sealing cover plate 15 and the support rod 21 are fixedly connected through the connecting rod, so that the outer cylinder 6 and the inner cylinder 12 can avoid rotating together when rotating, which can avoid the interference phenomenon of the air inlet pipe 20.

[0031] In use: first by the staff to put the brick on the mesh belt conveyor 2, then use the drive motor 8 and reducer 9 gear 10 slowly rotate, while the gear 10 meshed with the ring 7 connected to rotate, so that the outer cylinder 6 slowly rotate, and the ring-shaped sealing cover plate 15 remain unchanged, using the outer cylinder 6 outer wall bearing 17, so that the outer cylinder 6 and the inner cylinder 12 one end can rotate in the ring-shaped sealing cover plate 15 on the ventilation cavity 16, and the use of sealing ring 19 in the closed airway 18 inside the movement, can effectively improve the ventilation cavity 16 and the outer cylinder 6 and the inner cylinder 12 between the cavity formed by the sealing of the ring-shaped sealing cover plate 15, then the industrial air heater 23 hot air through the air inlet pipe 20 to the ring-shaped sealing cover plate 15 on the ventilation cavity 16 inside, and the hot air will be through the ventilation cavity 16 fully into the outer cylinder 6 and the inner cylinder 12 between the cavity formed by the nozzle 14 will blow hot air to the surface of the brick, so that the mesh belt conveyor 2 in the brick conveying at the same time, the hot air in the form of rotation to the surface of the brick drying treatment.

[0032] The above description is only the preferred embodiment of the present application; the protection scope of the present application is not limited to this. Any skilled person in the art within the technical range disclosed by the present application, according to the technical scheme of the present application and its improvement concept, equivalent replacement or change, should be covered in the protection scope of the present application.

Claims

1. An apparatus for drying extruded billets of siliceous stone bricks, comprising a base support frame (1) and a mesh belt conveyor (2), characterized in that: The inside of the bottom support frame (1) is fixedly installed with a pair of fixed horizontal plates (3), the top of each of the pair of fixed horizontal plates (3) is fixedly installed with a pair of guide pulleys (4), the outer wall of the two pairs of guide pulleys (4) is placed and installed with a guide ring (5), the inside of the two guide rings (5) is fixedly installed with an outer cylinder (6), the outer wall of the outer cylinder (6) is fixedly installed with a gear ring (7), one side of the top of the bottom support frame (1) is fixedly installed with a driving motor (8), the output end of the driving motor (8) is drivingly connected with a speed reducer (9) through a shaft coupling, the output end of the speed reducer (9) is drivingly connected with a linkage shaft through a shaft coupling, one end of the linkage shaft is fixedly installed with a gear wheel (10), the gear wheel (10) is meshedly connected with the gear ring (7), the inside of the outer cylinder (6) is provided with an inner cylinder (12), the outer wall of the inner cylinder (12) is fixedly installed with a sealed partition ring (13), the inner wall of the inner cylinder (12) is uniformly fixedly installed with an air outlet nozzle (14), the air inlet end of the air outlet nozzle (14) is located between the inner wall of the outer cylinder (6) and the outer wall of the inner cylinder (12), the two ends of the outer cylinder (6) are provided with annular sealing cover plates (15), the side of the two annular sealing cover plates (15) close to each other is provided with a ventilation cavity (16), one end of the outer wall of the ventilation cavity (16) is connected with the inner wall of the ventilation cavity (16) through a bearing (17), the inner wall of the inner cylinder (12) and the outer wall of the outer cylinder (6) are provided with closed air channels (18), the two ends of the inner wall of the ventilation cavity (16) are fixedly installed with sealing rings (19), one end of the sealing ring (19) is embedded into the inside of the closed air channel (18), the outer wall of the two annular sealing cover plates (15) is fixedly connected with air inlet pipes (20), one end of the air inlet pipe (20) extends into the inside of the ventilation cavity (16), the top of the bottom support frame (1) is fixedly installed with two pairs of support rods (21), the top of the two pairs of support rods (21) is fixedly installed with a top support frame (22), the top of the top support frame (22) is fixedly installed with two industrial hot air blowers (23), one end of the two air inlet pipes (20) is fixedly connected with the air outlet ends of the two industrial hot air blowers (23), the mesh belt conveyor (2) penetrates through the inside of the inner cylinder (12) through the annular sealing cover plate (15).

2. A drying apparatus for extruded billets of silicean stone according to claim 1, characterized in that: The positions of each pair of guide pulleys (4) are symmetrical to each other, and the outer wall of the guide ring (5) is tightly attached to the outer wall of the guide pulley (4).

3. A drying apparatus for extruded billets of silicean stone according to claim 1, characterized in that: The top of the pair of fixed horizontal plates (3) is fixedly installed with a pair of limiting pulleys (11), and the outer wall of each pair of limiting pulleys (11) is tightly attached to the two sides of the outer wall of the two guide rings (5), respectively.

4. The apparatus for drying extruded green bodies of silicean stone bricks according to claim 1, characterized in that: The outer wall of the sealed partition ring (13) is fixedly connected with the inner wall of the outer cylinder (6), and the sealed partition ring (13) is located at the middle position of the outer wall of the inner cylinder (12).

5. The apparatus for drying extruded green bodies of silicean stone bricks according to claim 1, characterized in that: The outer cylinder (6) and one end of the inner cylinder (12) extend to the inside of the ventilation cavity (16), and the inside of the ventilation cavity (16) is in communication with the gap between the outer cylinder (6) and the inner cylinder (12).

6. The apparatus for drying extruded green bodies of silicean stone bricks according to claim 1, characterized in that: Two pairs of the support rods (21) are respectively arranged at four corners of the top end of the bottom support frame (1), and two ring-shaped sealing cover plates (15) are fixedly connected to one side of each pair of the support rods (21) which are close to each other through connecting rods.