Rotary kiln sawdust adding treatment device

By designing a rotary kiln wood chip addition and processing device, automated weighing and quantitative addition of wood chips were achieved, solving the problem of high fuel consumption in rotary kilns and achieving energy conservation and emission reduction.

CN224398284UActive Publication Date: 2026-06-23YUNNAN JIANFENG CEMENT CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUNNAN JIANFENG CEMENT CO LTD
Filing Date
2025-06-23
Publication Date
2026-06-23

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    Figure CN224398284U_ABST
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Abstract

The utility model discloses a rotary kiln sawdust adds processing device relates to rotary kiln technical field, including the storage room, the bottom of storage room is provided with the horizontal arrangement's discharge mechanism, and one side of storage room is provided with the elevator, and the bottom of elevator is provided with the connecting hopper above, and the discharge mechanism's discharge gate is located the top of connecting hopper, and connecting hopper is at least used to convey the sawdust in the inside of storage room to the elevator. This kind of rotary kiln sawdust adds processing device, the storage room of adoption can store the sawdust, through discharge mechanism, connecting hopper and elevator, can discharge the sawdust from the inside of storage room and promote certain height, utilize measuring device can realize the measurement weighing of the sawdust in the inside of rotary kiln every time, has guaranteed the proportioning use of sawdust and other fuel, has guaranteed the normal combustion of rotary kiln while reduced the use of other fuel, reached the effect of energy saving and emission reduction.
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Description

Technical Field

[0001] This utility model relates to the field of rotary kiln technology, specifically to a rotary kiln sawdust addition and treatment device. Background Technology

[0002] A rotary kiln is a kiln that rotates to calcine, commonly known as a rotary kiln. Rotary kilns can be classified into cement kilns, metallurgical and chemical kilns, lime kilns, and hazardous waste incineration kilns according to the different materials they process.

[0003] According to relevant requirements, through the implementation of energy conservation and carbon reduction initiatives, the proportion of production capacity reaching benchmark levels in key industries such as steel, electrolytic aluminum, and cement should exceed 30%. The benchmark level for comprehensive energy consumption of comparable cement clinker is 100 kg, while the current standard coal consumption per ton of clinker in the industry is mostly over 1000 kg.

[0004] Given the severe situation of energy control and considering the production costs of enterprises themselves, it is essential to carry out alternative fuel conversion projects as soon as possible. Therefore, we need a rotary kiln sawdust addition and treatment device. Utility Model Content

[0005] The purpose of this invention is to provide a rotary kiln sawdust addition and processing device to solve the existing problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a rotary kiln sawdust addition and processing device, including a storage room, a horizontally arranged discharge mechanism at the bottom of the storage room, an elevator on one side of the storage room, a connecting hopper above the bottom of the elevator, the discharge port of the discharge mechanism located above the connecting hopper, the connecting hopper being used at least to transport sawdust from inside the storage room to the elevator, the elevator being used at least to lift the sawdust to the upper part of the rotary kiln, a support frame below the elevator, a connecting frame fixedly installed on one side of the support frame, and a metering device installed at the top of the connecting frame, the metering device being located below the top discharge port of the elevator, and a discharge mechanism below the metering device, the discharge mechanism being used at least to open and close the bottom opening of the metering device.

[0007] Preferably, the storage room is installed on the left side of the third kiln pier at the tail of the rotary kiln, next to the preheater frame.

[0008] Preferably, the storage room has an observation window on one side and a roof on the top.

[0009] Preferably, the discharge mechanism includes a material trough located at the bottom of the storage room, and a conveying auger is provided inside the material trough. A drive motor connected to the conveying auger is provided on one outer wall of the material trough.

[0010] Preferably, the measuring device includes a fixed frame fixed to the top of the connecting frame, a plurality of weighing sensors are provided on the top of the fixed frame, and a bracket is installed on the top of the weighing sensors, and a weighing hopper is provided inside the bracket.

[0011] Preferably, the connecting frame includes an inclined connecting arm, and a clamp is fixedly provided at the bottom end of the connecting arm. A limit piece is provided on one side of the clamp by bolts, and the limit piece and the clamp are fixed on the support frame.

[0012] Preferably, the unloading mechanism includes a bearing seat disposed on one side of the bottom of the weighing hopper, and a support shaft is disposed inside the bearing seat. A sealing plate located at the bottom of the weighing hopper is fixedly connected to one side of the support shaft, and a rotating arm is fixedly connected to the other side of the support shaft. A synchronizing rod is fixedly disposed on one side of the rotating arm, and a rotating arm is fixedly connected to one end of the synchronizing rod. A forward and reverse motor coaxial with the support shaft is disposed on one side of the bottom of the weighing hopper, and the output shaft of the forward and reverse motor is drively connected to one end of the rotating arm.

[0013] Compared with the prior art, the beneficial effects of this utility model are: this rotary kiln sawdust addition and treatment device,

[0014] (1) The storage room can store wood chips. Through the discharge mechanism, connecting hopper and elevator, the wood chips can be discharged from the inside of the storage room and lifted to a certain height. The metering device can measure and weigh the wood chips added to the rotary kiln each time, ensuring the ratio of wood chips to other fuels. While ensuring the normal combustion of the rotary kiln, it reduces the use of other fuels and achieves the effect of energy saving and emission reduction.

[0015] (2) The unloading mechanism can automatically open and close the weighing hopper after measuring the wood chips, and add the wood chips into the rotary kiln. It has a high degree of automation and does not require manual feeding of wood chips, thus improving the efficiency of wood chip utilization. Attached Figure Description

[0016] Figure 1 The structure of this utility model is three-dimensional. Figure 1 ;

[0017] Figure 2 The structure of this utility model is three-dimensional. Figure 2 ;

[0018] Figure 3 This is a top view of the material discharge mechanism of this utility model;

[0019] Figure 4 This is a three-dimensional view of the metering device of this utility model;

[0020] Figure 5 This is a front view of the metering device structure of this utility model;

[0021] Figure 6 This is a schematic diagram of the unloading mechanism of this utility model.

[0022] In the diagram: 1. Storage room; 11. Observation window; 12. Roof; 2. Discharge mechanism; 21. Drive motor; 22. Material trough; 23. Conveying reamer; 3. Connecting hopper; 4. Elevator; 5. Support frame; 6. Metering device; 61. Fixed frame; 62. Weighing sensor; 63. Bracket; 64. Weighing hopper; 7. Connecting frame; 71. Connecting arm; 72. Clamp; 73. Limiting plate; 8. Unloading mechanism; 81. Sealing plate; 82. Bearing seat; 83. Support shaft; 84. Rotating arm one; 85. Synchronizing rod; 86. Rotating arm two; 87. Forward and reverse motor. 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. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, this utility model embodiment provides a rotary kiln sawdust addition and processing device, including a storage room 1, a horizontally arranged discharge mechanism 2 at the bottom of the storage room 1, an elevator 4 on one side of the storage room 1, a connecting hopper 3 above the bottom of the elevator 4, the discharge port of the discharge mechanism 2 being located above the connecting hopper 3, the connecting hopper 3 being used at least to transport sawdust from inside the storage room 1 to the elevator 4, the elevator 4 being used at least to lift the sawdust to the upper part of the rotary kiln, a support frame 5 being provided below the elevator 4, a connecting frame 7 being fixedly provided on one side of the support frame 5, and a metering device 6 being installed at the top of the connecting frame 7, the metering device 6 being located below the top material port of the elevator 4, and a discharge mechanism 8 being provided below the metering device 6, the discharge mechanism 8 being used at least to open and close the bottom opening of the metering device 6.

[0025] In this embodiment, as Figure 1 and 2 As shown, it includes a storage room 1, which is installed on the left side of the three-stage kiln pier at the tail of the rotary kiln and next to the preheater frame. Wood chips are added during the subsequent combustion process of the rotary kiln to achieve better combustion inside the rotary kiln and ensure the combustion temperature inside the rotary kiln.

[0026] Specifically, such as Figure 1 and 2 As shown, an observation window 11 is provided on one side of the storage room 1. The interior of the observation window 11 is made of glass, which makes it easy for people to observe the remaining amount of wood chips inside the storage room 1 at all times and to replenish the wood chips in a timely manner. The storage room 1 is also provided with a roof 12, which is used to facilitate ventilation and rain protection inside the storage room 1.

[0027] In this embodiment, as Figure 2 and 3 As shown, a horizontally arranged discharge mechanism 2 is provided at the bottom of the storage room 1. The discharge mechanism 2 includes a material trough 22 at the bottom of the storage room 1, and a conveying scissor 23 is provided inside the material trough 22. A drive motor 21 connected to the conveying scissor 23 is provided on one outer wall of the material trough 22. Starting the drive motor 21 can drive the conveying scissor 23 to rotate inside the material trough 22, which can convey the wood chips inside the storage room 1 to the inside of the connecting hopper 3, thus avoiding the blockage of material when the storage room 1 discharges.

[0028] In this embodiment, as Figure 1 and 2 As shown, a hoist 4 is installed on one side of the storage room 1. A connecting hopper 3 is installed above the bottom of the hoist 4. The connecting hopper 3 serves as a guide for the discharge mechanism 2 to transport wood chips into the hoist 4. A baffle plate is installed on one side of the top of the connecting hopper 3 to prevent wood chips from spilling to the outside. The discharge port of the discharge mechanism 2 is located above the connecting hopper 3. The connecting hopper 3 is used at least to transport wood chips from inside the storage room 1 to the hoist 4. The hoist 4 is used at least to lift the wood chips to the upper part of the rotary kiln. A support frame 5 is installed below the hoist 4 to support and install the hoist 4. The support frame 5 is welded from square steel.

[0029] In this embodiment, as Figure 4 and 5 As shown, a connecting frame 7 is fixedly installed on one side of the support frame 5. The connecting frame 7 includes an inclined connecting arm 71, and a clamp 72 is fixedly installed at the bottom end of the connecting arm 71. A limiting piece 73 is installed on one side of the clamp 72 by bolts. The limiting piece 73 and the clamp 72 are fixed on the support frame 5. When installing the connecting frame 7, the operator can put the clamp 72 on the column of the support frame 5, and then fasten the limiting piece 73 on the clamp 72 and fix it with bolts, thereby completing the fixed installation of the connecting frame 7 on the column of the support frame 5.

[0030] In this embodiment, as Figure 4 and 5As shown, a metering device 6 is installed at the top of the connecting frame 7. The metering device 6 is located below the material inlet at the top of the elevator 4. The metering device 6 includes a fixed frame 61 fixed to the top of the connecting frame 7. Several weighing sensors 62 are provided on the top of the fixed frame 61, and a bracket 63 is installed on the top of the weighing sensors 62. A weighing hopper 64 is provided inside the bracket 63. The weighing hopper 64 is fixed to the bracket 63. When the weighing hopper 64 is filled with wood chips, the bracket 63 presses down on the weighing sensors 62. The weighing sensors 62 are used to detect the weight of the wood chips inside the weighing hopper 64. At the same time, one side of the weighing sensor 62 is connected to the display screen through a data cable, which can display the weight in real time.

[0031] In this embodiment, as Figure 5 and 6 As shown, a discharge mechanism 8 is provided below the metering device 6. The discharge mechanism 8 is used at least for opening and closing the bottom opening of the metering device 6. The discharge mechanism 8 includes a bearing seat 82 provided on one side of the bottom of the weighing hopper 64, and a support shaft 83 is provided inside the bearing seat 82. A sealing plate 81 located at the bottom of the weighing hopper 64 is fixedly connected to one side of the support shaft 83, and a rotating arm 84 is fixedly connected to the other side of the support shaft 83. A synchronizing rod 85 is fixedly provided on one side of the rotating arm 84, and a rotating arm 86 is fixedly connected to one end of the synchronizing rod 85. A forward and reverse motor 87 coaxial with the support shaft 83 is provided on one side of the bottom of the weighing hopper 64, and the output shaft of the forward and reverse motor 87 is connected to the rotating arm 86. The unloading mechanism 8 is connected to a drive at one end. The specific movement of the unloading mechanism 8 is as follows: after a certain amount of wood chips are stored inside the weighing hopper 64, the forward and reverse motor 87 is started, which can drive the second rotating arm 86 to rotate. At the same time, the second rotating arm 86 drives the synchronous rod 85 and the first rotating arm 84 to rotate upward synchronously. The first rotating arm 84 rotates inside the bearing seat 82 through the support shaft 83, so that the first rotating arm 84 and the sealing plate 81 are synchronously linked. The first rotating arm 84 rises and rotates, while the sealing plate 81 falls and rotates, so as to open the bottom opening of the symmetrical weighing hopper 64. When closing, the reverse movement is performed as described above.

[0032] Working principle: First, sawdust is added into the storage chamber 1, which stores the sawdust. When the sawdust is added into the rotary kiln, the discharge mechanism 2, the connecting hopper 3, and the elevator 4 discharge the sawdust from the storage chamber 1 and lift it to a certain height. The metering device 6 can weigh the sawdust added into the rotary kiln each time. When the weighed sawdust needs to be added into the rotary kiln, the unloading mechanism 8 is activated, which opens the bottom sealing plate 81 of the weighing hopper 64, allowing the sawdust inside the weighing hopper 64 to fall into the rotary kiln. This ensures the proportion of sawdust to other fuels, guarantees normal combustion of the rotary kiln, reduces the use of other fuels, and achieves energy saving and emission reduction.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A rotary kiln sawdust addition and processing device, comprising a storage chamber (1), characterized in that: The storage room (1) is provided with a horizontally arranged discharge mechanism (2) at the bottom. A hoist (4) is provided on one side of the storage room (1). A connecting hopper (3) is provided above the bottom end of the hoist (4). The discharge port of the discharge mechanism (2) is located above the connecting hopper (3). The connecting hopper (3) is used at least to transport the wood chips inside the storage room (1) to the hoist (4). The hoist (4) is used at least to lift the wood chips to the upper part of the rotary kiln. A support frame (5) is provided below the hoist (4). A connecting frame (7) is fixedly provided on one side of the support frame (5). A metering device (6) is installed at the top of the connecting frame (7). The metering device (6) is located below the top opening of the hoist (4). A discharge mechanism (8) is provided below the metering device (6). The discharge mechanism (8) is used at least to open and close the bottom opening of the metering device (6).

2. The rotary kiln sawdust addition and treatment device according to claim 1, characterized in that: The storage room (1) is installed on the left side of the third kiln pier at the tail of the rotary kiln, next to the preheater frame.

3. The rotary kiln sawdust addition and treatment device according to claim 1, characterized in that: The storage room (1) has an observation window (11) on one side and a roof (12) on the top of the storage room (1).

4. The rotary kiln sawdust addition and treatment device according to claim 1, characterized in that: The material discharge mechanism (2) includes a material trough (22) at the bottom of the storage room (1), and a conveying scissor (23) is provided inside the material trough (22). A drive motor (21) connected to the conveying scissor (23) is provided on one side of the outer wall of the material trough (22).

5. The rotary kiln sawdust addition and treatment device according to claim 1, characterized in that: The measuring device (6) includes a fixed frame (61) fixed to the top of the connecting frame (7). Several weighing sensors (62) are provided on the top of the fixed frame (61), and a bracket (63) is installed on the top of the weighing sensors (62). A weighing hopper (64) is provided inside the bracket (63).

6. The rotary kiln sawdust addition and treatment device according to claim 1, characterized in that: The connecting frame (7) includes an inclined connecting arm (71), and a clamp (72) is fixedly provided at the bottom end of the connecting arm (71). A limiting piece (73) is provided on one side of the clamp (72) by bolts, and the limiting piece (73) and the clamp (72) are fixed on the support frame (5).

7. The rotary kiln sawdust addition and treatment device according to claim 5, characterized in that: The unloading mechanism (8) includes a bearing seat (82) located on one side of the bottom of the weighing hopper (64), and a support shaft (83) is provided inside the bearing seat (82). A sealing plate (81) located at the bottom of the weighing hopper (64) is fixedly connected to one side of the support shaft (83), and a rotating arm (84) is fixedly connected to the other side of the support shaft (83). A synchronizing rod (85) is fixedly provided on one side of the rotating arm (84), and a rotating arm (86) is fixedly connected to one end of the synchronizing rod (85). A forward and reverse motor (87) coaxial with the support shaft (83) is provided on one side of the bottom of the weighing hopper (64), and the output shaft of the forward and reverse motor (87) is connected to one end of the rotating arm (86) in a transmission connection.