Waste heat recovery device for kiln

By designing a waste heat recovery device for kilns, using components such as butterfly valves, exhaust fans and series drying chambers, the problem of heat waste in the kilns is solved, effective heat recovery and utilization is achieved, and the efficiency of material drying is improved.

CN222865604UActive Publication Date: 2025-05-13FO SHAN SHI YANG GUANG TAO CI YOU XIAN GONG SI
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Patent Information

Application Number
CN202421557247.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-05-13
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

During the process of firing ceramic tiles, existing kilns cannot effectively recover and utilize the waste heat inside the kiln, resulting in waste of heat.

Method used

A waste heat recovery device for kilns is designed, including a butterfly valve, a exhaust fan, a drying box and a tandem drying box. The heat transfer is controlled by the butterfly valve. The exhaust fan drives heat into the drying box, and further utilizes the internal waste heat of the kiln through the second connecting pipe and the tandem drying box.

Benefits of technology

It realizes effective recycling and utilization of heat inside the kiln, avoids heat loss and waste, and improves the efficiency of material drying.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of waste heat recovery, in particular to a waste heat recovery device for a kiln, which comprises a butterfly valve, the surface of the butterfly valve is fixedly connected with a connecting mounting block, the surface of the butterfly valve is fixedly connected with a first connecting pipe, and the other end of the first connecting pipe is fixedly connected with an exhaust fan. A first drying box is fixedly connected to the top of the exhaust fan, a supporting column is fixedly connected to the bottom end of the first drying box, a stirring and lifting mechanism is connected to the outer side of the top surface of the first drying box, opening is conducted through an arranged butterfly valve, and meanwhile the exhaust fan is started; through the arrangement of the first drying box and the second drying box, heat in the kiln can be conveyed into the first drying box, materials placed on the inner side of the connecting stirring and lifting mechanism can be dried through the heat, meanwhile, the connecting stirring and lifting mechanism can turn over and stir the materials, and operation is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery, in particular to a waste heat recovery device for a kiln. Background Art

[0002] Ceramic bricks are plate-shaped or block-shaped ceramic products made of clay and other inorganic non-metallic raw materials through molding, sintering and other processes. They are used to decorate and protect the walls and floors of buildings and structures. They are usually formed at room temperature by dry pressing, extrusion or other molding methods.

[0003] In the process of firing ceramic tiles in the existing kiln, when the ceramic tiles need to be cooled, the internal heat will be wasted and the heat cannot be fully used. For this reason, we propose a waste heat recovery device for the kiln. Utility Model Content

[0004] In view of the above problems, the utility model provides a waste heat recovery device for a kiln, which can solve the problems existing in the above background technology.

[0005] The technical solution of the utility model is:

[0006] A waste heat recovery device for a kiln, comprising a butterfly valve, a connecting mounting block fixedly connected to the surface of the butterfly valve, a first connecting pipe fixedly connected to the surface of the butterfly valve, the other end of the first connecting pipe fixedly connected to an exhaust fan, the top of the exhaust fan fixedly connected to a first drying box, the bottom end of the first drying box fixedly connected to a support column, a connecting stirring and lifting mechanism is provided on the outer side of the top surface of the first drying box, a fixed limiting mechanism is fixedly connected to one side of the top of the first drying box, a fixed limiting block is fixedly connected to the other side of the top of the first drying box, movable sealing blocks are symmetrically provided on the inner sides of the fixed limiting mechanism and the fixed limiting block, a first handle is fixedly connected to the top of the movable sealing block, a second connecting pipe is connected to the side of the first drying box close to the fixed limiting block, and the other end of the second connecting pipe is fixedly connected to a series drying box.

[0007] In a further technical solution, the connecting, stirring and lifting mechanism includes a connecting top frame, the bottom of the connecting top frame is fixedly connected to a connecting mounting frame, the inner side of the connecting mounting frame is fixedly connected to a supporting box, the top of the connecting top frame is fixedly connected to an output motor, the output end of the output motor is fixedly connected to a rotating rod, the outer surface of the rotating rod and the inner side of the supporting box are slidably fitted with each other, the outer surface of the rotating rod is provided with a fixed connecting arm, and the bottom end of the fixed connecting arm is provided with a connecting flipping rod.

[0008] In a further technical solution, the bottom of the connecting flip rod is in contact with the inner bottom end of the tray.

[0009] In a further technical solution, a second handle is symmetrically provided on the top of the connecting top frame, and a fixed limiting groove is opened on the inner top of the second handle.

[0010] In a further technical solution, the fixed limiting mechanism includes a limiting mounting block, a connecting sleeve is symmetrically provided on the surface of the limiting mounting block, a movable limiting rod is movably connected inside the connecting sleeve, a force-bearing ring is fixedly sleeved on the outer side of the surface of the movable limiting rod, a force-bearing spring is fixedly connected between one side of the force-bearing ring and one end of the inner part of the connecting sleeve, and one end of the movable limiting rod is fixedly connected to a connecting pull rod.

[0011] In a further technical solution, the cross-sectional shapes of the limit installation block and the fixed limit block are both L-shaped, and the inner sides of the limit installation block and the fixed limit block are in contact with the outer sides of the end surfaces of the movable sealing block.

[0012] In a further technical solution, one end of the movable limiting rod is fitted into the inside of one side of the movable sealing block.

[0013] The beneficial effects of the utility model are:

[0014] 1. Open the butterfly valve and start the exhaust fan at the same time, so that the heat inside the kiln can be transported to the inside of the first drying box, so that the heat can dry the materials placed inside the connecting stirring and lifting mechanism. At the same time, the connecting stirring and lifting mechanism can turn and stir the materials, which is easy to operate;

[0015] 2. Through the second connecting pipe and the series drying box, a plurality of second connecting pipes and series drying boxes can be connected in series outside the first drying box, thereby making full use of the internal waste heat of the kiln to avoid heat loss and waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a waste heat recovery device for a kiln in an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of a connection, stirring and lifting mechanism of a waste heat recovery device for a kiln in an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the unfolded structure of a movable sealing block of a waste heat recovery device for a kiln in an embodiment of the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the structure of a fixed limit mechanism of a waste heat recovery device for a kiln in an embodiment of the present invention.

[0020] Description of reference numerals:

[0021] 1. Butterfly valve; 2. Connecting mounting block; 3. First connecting pipe; 4. Exhaust fan; 5. First drying box; 6. Support column; 7. Connecting stirring and lifting mechanism; 8. Fixed limiting mechanism; 9. Fixed limiting block; 10. Movable sealing block; 11. First handle; 12. Second connecting pipe; 13. Series drying box; 14. Connecting top frame; 15. Connecting mounting frame; 16. Support box; 17. Output motor; 18. Rotating rod; 19. Fixed connecting arm; 20. Connecting flip rod; 21. Second handle; 22. Fixed limiting groove; 23. Limiting mounting block; 24. Connecting sleeve; 25. Movable limiting plug rod; 26. Force-bearing collar; 27. Force-bearing spring; 28. Connecting pull rod. DETAILED DESCRIPTION

[0022] The embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

[0023] Example:

[0024] like Figure 1-Figure 4 As shown, a waste heat recovery device for a kiln furnace comprises a butterfly valve 1, a connecting mounting block 2 is fixedly connected to the surface of the butterfly valve 1, a first connecting pipe 3 is fixedly connected to the surface of the butterfly valve 1, an exhaust fan 4 is fixedly connected to the other end of the first connecting pipe 3, a first drying box 5 is fixedly connected to the top of the exhaust fan 4, a supporting column 6 is fixedly connected to the bottom end of the first drying box 5, a connecting stirring and lifting mechanism 7 is provided on the outer side of the top surface of the first drying box 5, a fixed limiting mechanism 8 is fixedly connected to one side of the top of the first drying box 5, a fixed limiting block 9 is fixedly connected to the other side of the top of the first drying box 5, movable sealing blocks 10 are symmetrically provided on the inner sides of the fixed limiting mechanism 8 and the fixed limiting block 9, a first handle 11 is fixedly connected to the top of the movable sealing block 10, a second connecting pipe 12 is connected to the side of the first drying box 5 close to the fixed limiting block 9, and a series drying box 13 is fixedly connected to the other end of the second connecting pipe 12.

[0025] The working principle of the above technical solution is as follows:

[0026] During use, the butterfly valve 1 is connected to the kiln by bolts through the connecting mounting block 2, and then the material is placed on the inner side of the connecting stirring and lifting mechanism 7, the butterfly valve 1 is opened, and the exhaust fan 4 is started, so that the heat inside the kiln can be transported to the inside of the first drying box 5, and the material inside the connecting stirring and lifting mechanism 7 can be dried. At the same time, the fixed limiting mechanism 8 and the fixed limiting block 9 can install and fix the movable sealing block 10, so that the first drying box 5 is in a sealed state to prevent heat from being lost to the outside.

[0027] In another embodiment, if Figure 2As shown, the connecting stirring and lifting mechanism 7 includes a connecting top frame 14, the bottom of the connecting top frame 14 is fixedly connected with a connecting mounting frame 15, the inner side of the connecting mounting frame 15 is fixedly connected with a supporting box 16, the top of the connecting top frame 14 is fixedly connected with an output motor 17, the output end of the output motor 17 is fixedly connected with a rotating rod 18, the outer surface of the rotating rod 18 and the inner side of the supporting box 16 are slidably fitted with each other, the outer surface of the rotating rod 18 is provided with a fixed connecting arm 19, and the bottom end of the fixed connecting arm 19 is provided with a connecting flipping rod 20.

[0028] It is convenient to place the material on the inner side of the tray 16, and then place the whole on the inner side of the first drying box 5 and the series drying box 13, so that the series drying box 13 fits with the outer side of the surface of the first drying box 5 and the outer side of the surface of the series drying box 13. In the process of drying the material, the output motor 17 can drive the rotating rod 18 to drive the fixed connecting arm 19 and the connecting flipping rod 20 to rotate, so that the connecting flipping rod 20 can flip and stir the material located on the inner side of the tray 16, thereby improving the drying efficiency of the material.

[0029] In another embodiment, if Figure 2 As shown, the bottom of the connecting flip rod 20 and the inner bottom end of the supporting box 16 are in contact with each other.

[0030] The turning rod 20 is convenient to connect to stably stir and turn the materials, and the operation is convenient.

[0031] In another embodiment, if Figure 2 As shown, a second handle 21 is symmetrically provided on the top of the connecting top frame 14 , and a fixed limiting groove 22 is opened on the inner top of the second handle 21 .

[0032] It is convenient to hoist the entire connection stirring and lifting mechanism 7 through a hoisting device, so that materials can be added or taken out, and the operation is convenient.

[0033] In another embodiment, if Figure 4 As shown, the fixed limiting mechanism 8 includes a limiting mounting block 23, the surface of which is symmetrically provided with a connecting sleeve 24, the interior of the connecting sleeve 24 is movably connected with a movable limiting rod 25, the outer surface of the movable limiting rod 25 is fixedly sleeved with a force ring 26, a force spring 27 is fixedly connected between one side of the force ring 26 and one end of the interior of the connecting sleeve 24, and one end of the movable limiting rod 25 is fixedly connected with a connecting pull rod 28.

[0034] It is convenient to move the connecting rod 28, drive the movable limiting rod 25 and the force-bearing ring 26 to move, compress the force-bearing spring 27, so that the end of the movable limiting rod 25 can be pulled out from the inner side of the surface of the movable sealing block 10, so that the movable sealing block 10 can be quickly disassembled.

[0035] In another embodiment, if Figure 4 As shown, the cross-sectional shapes of the limiting installation block 23 and the fixed limiting block 9 are both L-shaped, and the inner sides of the limiting installation block 23 and the fixed limiting block 9 are in contact with the outer side of the end surface of the movable sealing block 10 .

[0036] The end of the movable sealing block 10 can be stably stuck on the inner side of the limiting mounting block 23 and the fixed limiting block 9, so that the movable sealing block 10 can stably cover the top of the first drying box 5 or the series drying box 13.

[0037] In another embodiment, if Figure 3 and Figure 4 As shown, one end of the movable limiting rod 25 is in contact with the inner side of the movable sealing block 10 .

[0038] One end of the movable limiting rod 25 can be stably inserted into the inner surface of the movable sealing block 10 to limit and fix the position of the movable sealing block 10 .

[0039] The working principle of the utility model: during use, the butterfly valve 1 and the kiln are fixed by connecting the mounting block 2 and the bolts, then the butterfly valve 1 is opened, and the exhaust fan 4 is started, so that the heat inside the kiln can be transported to the inside of the first drying box 5. At the same time, after the heat enters the inside of the first drying box 5, it can flow to the inside of the series drying box 13 through the second connecting pipe 12. At the same time, the output motor 17 can drive the rotating rod 18 to drive the fixed connecting arm 19 and the connecting flipping rod 20 to rotate, so that the connecting flipping rod 20 can flip the material located inside the tray 16. Dynamic stirring improves the drying efficiency of the material. After the material is dried, the connecting rod 28 is moved, driving the movable limit rod 25 and the force-bearing ring 26 to move, compressing the force-bearing spring 27, so that the end of the movable limit rod 25 can be pulled out from the inner side of the surface of the movable sealing block 10, so that the movable sealing block 10 can be quickly disassembled, and then the lifting device and the second handle 21 are coordinated to lift the connecting stirring and lifting mechanism 7 and the material as a whole, which is convenient for taking out the material. After the taking out is completed, the material can also be quickly added and processed, and the operation is convenient and quick.

[0040] The above embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A waste heat recovery device for a kiln, comprising a butterfly valve (1), characterized in that: The surface of the butterfly valve (1) is fixedly connected with a connection mounting block (2); the surface of the butterfly valve (1) is fixedly connected with a first connection pipe (3); the other end of the first connection pipe (3) is fixedly connected with an exhaust fan (4); the top of the exhaust fan (4) is fixedly connected with a first drying box (5); the bottom end of the first drying box (5) is fixedly connected with a support column (6); the outer side of the top surface of the first drying box (5) is provided with a connection stirring and lifting mechanism (7); one side of the top of the first drying box (5) is fixedly connected with a fixed limiting mechanism (8); the other side of the top of the first drying box (5) is fixedly connected with a fixed limiting block (9); the inner sides of the fixed limiting mechanism (8) and the fixed limiting block (9) are symmetrically provided with movable sealing blocks (10); the top of the movable sealing block (10) is fixedly connected with a first handle (11); the first drying box (5) is connected with a second connection pipe (12) on the side close to the fixed limiting block (9); the other end of the second connection pipe (12) is fixedly connected with a series drying box (13).

2. A waste heat recovery device for a kiln according to claim 1, characterized in that: The connecting, stirring and lifting mechanism (7) comprises a connecting top frame (14), the bottom of the connecting top frame (14) is fixedly connected to a connecting mounting frame (15), the inner side of the connecting mounting frame (15) is fixedly connected to a supporting box (16), the top of the connecting top frame (14) is fixedly connected to an output motor (17), the output end of the output motor (17) is fixedly connected to a rotating rod (18), the outer surface of the rotating rod (18) and the inner side of the supporting box (16) are slidably fitted with each other, the outer surface of the rotating rod (18) is provided with a fixed connecting arm (19), and the bottom end of the fixed connecting arm (19) is provided with a connecting flipping rod (20).

3. A waste heat recovery device for a kiln according to claim 2, characterized in that: The bottom of the connecting flip rod (20) and the inner bottom end of the supporting box (16) are in contact with each other.

4. The waste heat recovery device for a kiln according to claim 2, characterized in that: A second handle (21) is symmetrically provided on the top of the connecting top frame (14), and a fixed limiting groove (22) is provided on the inner top of the second handle (21).

5. The waste heat recovery device for a kiln according to claim 1, characterized in that: The fixed limiting mechanism (8) comprises a limiting mounting block (23), a connecting sleeve (24) is symmetrically provided on the surface of the limiting mounting block (23), a movable limiting plug rod (25) is movably connected inside the connecting sleeve (24), a force-bearing ring (26) is fixedly sleeved on the outer side of the surface of the movable limiting plug rod (25), a force-bearing spring (27) is fixedly connected between one side of the force-bearing ring (26) and one end inside the connecting sleeve (24), and one end of the movable limiting plug rod (25) is fixedly connected to a connecting pull rod (28).

6. The waste heat recovery device for a kiln according to claim 5, characterized in that: The cross-sectional shapes of the limit installation block (23) and the fixed limit block (9) are both L-shaped, and the inner sides of the limit installation block (23) and the fixed limit block (9) are mutually fitted with the outer side of the end surface of the movable sealing block (10).

7. The waste heat recovery device for a kiln according to claim 5, characterized in that: One end of the movable limiting rod (25) is fitted into the interior of one side of the movable sealing block (10).