Anti-blocking internal ventilation device for rotary kiln tertiary air valve

Abstract

The utility model relates to pipeline anti -blocking technical field discloses a rotary kiln tertiary air valve anti -blocking internal ventilation device, including rotary motor, the right side of rotary motor is provided with the central control equipment, the rear side of rotary motor is provided with ventilation anti -blocking mechanism, ventilation anti -blocking mechanism is used for the filtration anti -blocking of rotary kiln inner wind flow impurity, the left side of central control equipment is provided with flow control mechanism, flow control mechanism is used for the control of rotary kiln inner ventilation flow, ventilation anti -blocking mechanism includes rear air outlet cabin, the front side fixed connection of rear air outlet cabin is at the rear side of rotary motor, the front side fixed connection of rear air outlet cabin has the air outlet, the rear side of air outlet is provided with ventilation subassembly, the rear side fixed connection of rear air outlet cabin has rear connecting block. In the utility model, the device front side inside is provided with the scraping filter screen, can intercept the fine powder of carried clinker in airflow, and its matched automatic scraping subassembly can rotate with the ventilation fan synchronously, guarantees that the ventilation pipeline is in the unobstructed state.

Description

Technical Field

[0001] This utility model relates to the field of pipeline anti-blocking technology, and in particular to an internal ventilation device for preventing blockage of a rotary kiln tertiary air valve. Background Technology

[0002] In the rotary kiln thermal system, the tertiary air valve is a key flow regulation component installed on the tertiary air duct between the cooler and the decomposition furnace. Essentially, it achieves precise control of the tertiary air flow by changing the valve opening. The tertiary air, which is a medium-to-high temperature dust-laden airflow generated after the cooler recovers the waste heat from the high-temperature clinker, needs to be transported to the decomposition furnace through the tertiary air duct to provide heat and oxygen for the preheating and decomposition of the material. Therefore, the tertiary air valve is the core node connecting the waste heat recovery and secondary heat utilization of the rotary kiln, directly connecting the thermal cycle of the cooler, the decomposition furnace, and the rotary kiln body.

[0003] The tertiary air valve plays a role in balancing the distribution of air temperature and volume in the rotary kiln system. By adjusting the extraction ratio of tertiary air, it avoids incomplete combustion of fuel at the kiln head due to insufficient secondary air and stabilizes the thermal state of the system. In response to fluctuations in the production load of the rotary kiln, the opening of the tertiary air valve is adjusted in real time to quickly compensate for the heat demand of the decomposition furnace, ensuring that the raw materials are decomposed in the decomposition furnace, reducing the calcination load of the rotary kiln body, ensuring the quality stability of the final product, improving the system's waste heat utilization efficiency, and reducing the energy consumption per unit product.

[0004] Currently, the tertiary air valves on the market lack a targeted anti-clogging internal structure, which makes them prone to clogging problems that affect system stability during long-term operation. The clinker fine powder and raw material fly ash impurities carried by the tertiary air can easily accumulate in the gap between the valve blade and the valve seat and in the valve shaft sealing sleeve. Under high temperature environment, they can even adhere and form a hard crust, narrowing the ventilation channel, causing the valve to jam and fail to open and close normally, leading to kiln overheating faults. In severe cases, it is necessary to shut down for maintenance, causing significant production losses. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an internal ventilation device for preventing blockage of the tertiary air valve in a rotary kiln, aiming to improve the problem that the existing technology cannot effectively prevent blockage of clinker fine powder carried by the tertiary air.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a rotary kiln tertiary air valve anti-clogging internal ventilation device, including a rotary motor, a central control device is provided on the right side of the rotary motor, a ventilation anti-clogging mechanism is provided on the rear side of the rotary motor, the ventilation anti-clogging mechanism is used to filter and prevent clogging of airflow impurities in the rotary kiln, and a flow control mechanism is provided on the left side of the central control device, the flow control mechanism is used to control the ventilation flow rate in the rotary kiln;

[0007] The ventilation anti-blocking mechanism includes a rear air outlet chamber, the front side of which is fixedly connected to the rear side of the rotary motor. An air outlet is fixedly connected to the front side of the rear air outlet chamber. A ventilation component is provided on the rear side of the air outlet. A rear connecting block is fixedly connected to the rear side of the rear air outlet chamber. An outer connecting ring is fixedly connected to the rear side of the rear connecting block. An anti-blocking component is provided on the inner wall of the outer connecting ring. An impurity receiving chamber is fixedly connected to the rear side of the outer connecting ring. An impurity outlet is provided at the bottom of the outer wall of the impurity receiving chamber. An opening component is provided at the bottom of the impurity outlet.

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

[0009] The flow control mechanism includes a rear connector, the front side of which is fixedly connected to the rear side of the central control device. An upper connecting block is fixedly connected to the rear top of the rear connector, and a signal receiver is fixedly connected to the front top of the rear connector. A control component is provided on the front side of the central control device, and a left connector is fixedly connected to the left side of the central control device. A transition air control chamber is fixedly connected to the left side of the left connector, and an air control component is provided on the inner wall of the transition air control chamber.

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

[0011] The ventilation assembly includes a ventilation central shaft, the inner wall of which is fixedly connected to the rear side of the rear connecting block, and a ventilation fan is fixedly connected to the outer wall of the ventilation central shaft.

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

[0013] The anti-clogging component includes an anti-clogging filter screen, the outer wall of which is fixedly connected to the inner wall of the outer connecting ring, and a scraping plate is rotatably connected to the front side of the anti-clogging filter screen.

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

[0015] The opening assembly includes an opening plate, the outer wall of which is slidably connected to the bottom of the outer wall of the impurity loading chamber, and an opening handle is fixedly connected to the left side of the opening plate.

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

[0017] The control component includes a linkage, the rear side of which is slidably connected to the front side of the central control device, and a push handle is fixedly connected to the front side of the linkage.

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

[0019] The air control assembly includes a central shaft, the right side of which is fixedly connected to the left side of the left connector, and an air control plate is fixedly connected to the outer wall of the central shaft.

[0020] As a further description of the above technical solution:

[0021] A rear transition chamber is provided on the rear side of the rotary motor, and an air inlet is fixedly connected to the top of the rear transition chamber.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, the front interior of the device is equipped with an automatic scraping filter that rotates with the ventilation fan. The filter can first filter the medium-high temperature dust-laden airflow entering the tertiary air valve, intercepting clinker fine powder and raw material fly ash impurities carried in the airflow, preventing impurities from directly entering the subsequent ventilation duct and valve core components, reducing the risk of blockage. Its matching automatic scraping component can rotate synchronously with the ventilation fan, continuously scraping the impurities accumulated on the filter under the drive of the fan, so that the scraped impurities fall directly into the storage compartment below for collection, ensuring that the ventilation duct is in a smooth state, reducing valve jamming and sudden drop in flow caused by blockage.

[0024] 2. In this utility model, the device is equipped with a conveniently controllable air duct size adjustment device in the middle. Through the modular adjustment structure, the operator can quickly adjust the opening and closing size of the air duct according to the actual production load of the rotary kiln, control the flow rate of the tertiary air in the air duct, and compensate for the heat and oxygen demand of the decomposition furnace in a short time. This avoids the problems of temperature fluctuation in the decomposition furnace and decrease in raw material decomposition rate caused by the lag in flow adjustment. It can also achieve fine control of flow rate, ensuring that the distribution ratio of tertiary air and secondary air is always in the optimal range. This ensures that the fuel at the kiln head is fully burned and improves the waste heat utilization efficiency of the decomposition furnace. Ultimately, it achieves the stability of the thermal state of the rotary kiln system and ensures the consistency of the finished product quality. Attached Figure Description

[0025] Figure 1 This is a perspective view of an internal ventilation device for preventing blockage of a rotary kiln's tertiary air valve, as proposed in this utility model.

[0026] Figure 2 This is a right view of an internal ventilation device for preventing blockage of a rotary kiln tertiary air valve, as proposed in this utility model.

[0027] Figure 3 This is a schematic diagram of the ventilation anti-blocking mechanism in the internal ventilation device for the anti-blocking of the tertiary air valve of a rotary kiln, as proposed in this utility model.

[0028] Figure 4 This is a schematic diagram of the flow control mechanism in the anti-clogging internal ventilation device of the rotary kiln tertiary air valve proposed in this utility model.

[0029] Figure 5This is a diagram showing the usage status of the flow control mechanism in the internal ventilation device for preventing blockage of the tertiary air valve in a rotary kiln, as proposed in this utility model.

[0030] Legend:

[0031] 1. Rotary motor; 2. Central control equipment; 3. Ventilation anti-clogging mechanism; 31. Rear air outlet chamber; 32. Air outlet; 33. Ventilation assembly; 331. Ventilation central shaft; 332. Ventilation fan; 34. Rear connecting block; 35. Outer connecting ring; 36. Anti-clogging assembly; 361. Anti-clogging filter; 362. Scraper blade; 37. Impurity holding chamber; 38. Impurity outlet; 39. Opening assembly; 391. Opening plate; 392. Opening handle; 4. Flow control mechanism; 41. Rear connecting piece; 42. Upper connecting block; 43. Signal receiver; 44. Control assembly; 441. Linkage rod; 442. Push handle; 45. Left connecting piece; 46. Transition air control chamber; 47. Air control assembly; 471. Central rotating shaft; 472. Air control plate; 5. Rear transition chamber; 6. Air inlet. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0033] Reference Figure 1 , Figure 2 and Figure 3 An embodiment of this utility model is provided: an internal ventilation device for preventing blockage of a rotary kiln's tertiary air valve, including a rotary motor 1, a central control device 2 on the right side of the rotary motor 1, a ventilation anti-blockage mechanism 3 on the rear side of the rotary motor 1, the ventilation anti-blockage mechanism 3 being used to filter and prevent blockage of impurities in the airflow inside the rotary kiln, and a flow control mechanism 4 on the left side of the central control device 2, the flow control mechanism 4 being used to control the ventilation flow rate inside the rotary kiln;

[0034] The ventilation anti-blocking mechanism 3 includes a rear air outlet chamber 31. The front side of the rear air outlet chamber 31 is fixedly connected to the rear side of the rotary motor 1. An air outlet 32 ​​is fixedly connected to the front side of the rear air outlet chamber 31. A ventilation component 33 is provided on the rear side of the air outlet 32. A rear connecting block 34 is fixedly connected to the rear side of the rear air outlet chamber 31. An outer connecting ring 35 is fixedly connected to the rear side of the rear connecting block 34. An anti-blocking component 36 is provided on the inner wall of the outer connecting ring 35. An impurity receiving chamber 37 is fixedly connected to the rear side of the outer connecting ring 35. An impurity outlet 38 is opened at the bottom of the outer wall of the impurity receiving chamber 37. An opening component 39 is provided at the bottom of the impurity outlet 38.

[0035] Specifically, the rear air outlet chamber 31 serves as the core load-bearing structure of the ventilation anti-blocking mechanism 3. Its front side is fixedly connected to the rear side of the rotary motor 1, allowing the airflow generated during the operation of the rotary motor 1 to be directly introduced into the rear air outlet chamber 31, providing an airflow source for the subsequent ventilation process.

[0036] The air outlet 32 ​​is fixedly connected to the front side of the rear air outlet chamber 31. After the airflow enters the rear air outlet chamber 31, it will achieve initial airflow guidance through the air outlet 32 ​​to ensure that the airflow can flow along the preset path. The ventilation component 33 is set behind the air outlet 32. When the airflow passes through the air outlet 32, the ventilation component 33 can sort the airflow, reduce the turbulence in the airflow process, improve the stability of the airflow, and at the same time help maintain the balance of airflow pressure inside the rear air outlet chamber 31 to ensure ventilation efficiency.

[0037] The rear connecting block 34 is fixedly connected to the rear side of the rear air outlet compartment 31. As a transitional connection structure, it provides support for the connection between the rear air outlet compartment 31 and the outer connecting ring 35, so that the outer connecting ring 35 can be stably installed on the rear side of the rear air outlet compartment 31, ensuring the structural continuity between the two. The outer connecting ring 35 is fixedly connected to the rear side of the rear connecting block 34. Its inner wall provides installation space for the anti-blocking component 36. At the same time, the annular structure of the outer connecting ring 35 can guide the airflow to smoothly transition from the rear air outlet compartment 31 to the impurity carrying compartment 37, avoiding leakage of airflow during transmission.

[0038] The anti-blocking component 36 is installed on the inner wall of the outer connecting ring 35. When the airflow carries impurities through the outer connecting ring 35, the anti-blocking component 36 can intercept the impurities to prevent them from entering the subsequent structure and causing blockage, thus ensuring the smooth flow of air. At the same time, its interception function also creates conditions for the impurities to enter the impurity holding chamber 37. The impurity holding chamber 37 is fixedly connected to the rear side of the outer connecting ring 35. The impurities intercepted by the anti-blocking component 36 will enter the impurity holding chamber 37 under the push of the airflow and its own gravity. The impurity holding chamber 37 can centrally store the impurities, preventing them from scattering randomly and affecting the overall operation of the mechanism.

[0039] Impurity outlet 38 is located at the bottom of the outer wall of impurity storage chamber 37. When impurities accumulate to a certain level in impurity storage chamber 37, they can be discharged through impurity outlet 38, achieving periodic cleaning of impurities and maintaining the storage capacity of impurity storage chamber 37. Opening assembly 39 is located at the bottom of impurity outlet 38, which can control the opening and closing of impurity outlet 38. When it is necessary to discharge impurities, opening assembly 39 opens impurity outlet 38. After the impurities are discharged, opening assembly 39 closes impurity outlet 38 to prevent airflow from entering the interior of impurity storage chamber 37 through impurity outlet 38, ensuring the cleanliness of the internal environment of impurity storage chamber 37 and the sealing of the airflow channel.

[0040] Reference Figure 1 , Figure 4and Figure 5 The flow control mechanism 4 includes a rear connector 41, the front side of which is fixedly connected to the rear side of the central control device 2. An upper connecting block 42 is fixedly connected to the rear top of the rear connector 41, and a signal receiver 43 is fixedly connected to the front top of the rear connector 41. A control component 44 is provided on the front side of the central control device 2. A left connector 45 is fixedly connected to the left side of the central control device 2. A transition air control chamber 46 is fixedly connected to the left side of the left connector 45. An air control component 47 is provided on the inner wall of the transition air control chamber 46.

[0041] Specifically, the rear connector 41 serves as the connection carrier between the flow control mechanism 4 and the central control device 2. Its fixed relationship with the rear of the central control device 2 enables the central control device 2 to stably transmit control signals and power to the flow control mechanism 4, while providing an installation reference for the upper connector 42 and the signal receiver 43. The upper connector 42 is fixedly connected to the top rear of the rear connector 41 and can be docked with relevant external structures to expand the installation and adaptation range of the flow control mechanism 4, ensuring that the flow control mechanism 4 can be integrated into the overall equipment system and achieve collaborative operation with other mechanisms.

[0042] The signal receiver 43 is fixedly connected to the top front side of the rear connector 41. It can receive externally transmitted flow regulation signals and transmit the signals to the central control device 2, providing data basis for the central control device 2 to issue control commands and ensuring the accurate acquisition of flow regulation commands. The control component 44 is located on the front side of the central control device 2. After the central control device 2 receives the signal transmitted by the signal receiver 43, the control component 44 can process the signal and convert it into specific control actions to drive the operation of the subsequent air control structure and realize the regulation of airflow.

[0043] The left connector 45 is fixedly connected to the left side of the central control device 2, serving as a bridge between the central control device 2 and the transition air control chamber 46. It can transmit the control power of the central control device 2 to the transition air control chamber 46, while ensuring the structural stability between the two and preventing air leakage during transmission. The transition air control chamber 46 is fixedly connected to the left side of the left connector 45, which can receive the externally input airflow and provide installation space and airflow adjustment cavity for the air control component 47, so that the airflow remains stable inside the transition air control chamber 46, creating conditions for the air control component 47 to adjust the flow rate.

[0044] The air control component 47 is installed on the inner wall of the transition air control chamber 46. Under the control of the central control device 2 through the left connector 45, the air control component 47 can change its own state in the transition air control chamber 46, thereby adjusting the flow resistance of the airflow in the transition air control chamber 46 and realizing precise control of the airflow. At the same time, the adjustment action of the air control component 47 can be fed back to the control component 44 to form a closed-loop control of flow regulation, ensuring the stability and accuracy of flow control.

[0045] Reference Figure 1 and Figure 2 The ventilation assembly 33 includes a ventilation central shaft 331, the inner wall of which is fixedly connected to the rear side of the rear connecting block 34, and a ventilation fan 332 fixedly connected to the outer wall of the ventilation central shaft 331. The anti-clogging assembly 36 includes an anti-clogging filter 361, the outer wall of which is fixedly connected to the inner wall of the outer connecting ring 35, and a scraper 362 rotatably connected to the front side of the anti-clogging filter 361. The opening assembly 39 includes an opening plate 391, the outer wall of which is slidably connected to the bottom of the outer wall of the impurity receiving chamber 37. An open handle 392 is fixedly connected to the left side of the plate 391. The control component 44 includes a connecting rod 441. The rear side of the connecting rod 441 is slidably connected to the front side of the central control device 2. A push handle 442 is fixedly connected to the front side of the connecting rod 441. The air control component 47 includes a central rotating shaft 471. The right side of the central rotating shaft 471 is fixedly connected to the left side of the left connecting piece 45. An air control plate 472 is fixedly connected to the outer wall of the central rotating shaft 471. A rear transition chamber 5 is provided on the rear side of the rotary motor 1. An air inlet 6 is fixedly connected to the top of the rear transition chamber 5.

[0046] Specifically, the ventilation shaft 331 in the ventilation assembly 33 has its inner wall fixed to the rear side of the rear connecting block 34, allowing the ventilation shaft 331 to be stably installed on the rear connecting block 34, providing fixed support for the ventilation fan 332. The ventilation fan 332 is fixedly connected to the outer wall of the ventilation shaft 331. When the airflow enters the rear air outlet chamber 31 and flows through the ventilation assembly 33, the ventilation fan 332 can rotate with the airflow, further streamlining the airflow direction and enhancing the flow stability of the airflow in the ventilation shaft 331 area. At the same time, it helps to smoothly guide the airflow towards the outer connecting ring 35. The anti-clogging filter 361 in the anti-clogging assembly 36 has its outer wall fixed to the inner wall of the outer connecting ring 35, allowing the anti-clogging filter 361 to completely cover the airflow channel of the outer connecting ring 35. When the airflow carries impurities through the outer connecting ring 35, the anti-clogging filter 361 can intercept the impurities and prevent them from entering the subsequent structure.

[0047] The scraping blade 362 is rotatably connected to the front side of the anti-clogging filter 361. As the airflow flows and impurities accumulate on the surface of the anti-clogging filter 361, the scraping blade 362 can rotate under the influence of the airflow to scrape off the impurities on the surface of the anti-clogging filter 361, preventing impurities from clogging the filter holes of the anti-clogging filter 361 and ensuring the interception effect of the anti-clogging filter 361 and the smooth flow of the airflow channel. The opening plate 391 in the opening assembly 39 has its outer wall slidably connected to the bottom of the outer wall of the impurity receiving chamber 37, so that the opening plate 391 can move along the bottom of the outer wall of the impurity receiving chamber 37 to block and open the impurity outlet 38.

[0048] The opening handle 392 is fixedly connected to the left side of the opening plate 391. By operating the opening handle 392, the opening plate 391 can be slid, which makes it easy for the operator to control the opening and closing status of the impurity outlet 38, thereby realizing the discharge and storage of impurities in the impurity loading chamber 37. The connecting rod 441 in the control component 44 is slidably connected to the front side of the central control device 2, so that the connecting rod 441 can move in front of the central control device 2. When the central control device 2 receives the signal transmitted by the signal receiver 43, the movement of the connecting rod 441 can transmit the control action.

[0049] The push handle 442 is fixedly connected to the front side of the connecting rod 441. Pushing the push handle 442 can drive the connecting rod 441 to slide, assisting the operator in manually adjusting the position of the connecting rod 441, and cooperating with the central control device 2 to achieve precise control of the air control structure. The central shaft 471 in the air control assembly 47 has its right side fixed to the left side of the left connecting piece 45, so that the central shaft 471 can be stably installed on the left connecting piece 45, providing rotational support for the air control plate 472. The air control plate 472 is fixedly connected to the outer wall of the central shaft 471. When the central control device 2 transmits control power through the left connecting piece 45, the central shaft 471 can drive the air control plate 472 to rotate. During the rotation of the air control plate 472, it changes its relative angle with the inner wall of the transition air control chamber 46, thereby adjusting the flow section of the airflow in the transition air control chamber 46 and realizing the regulation of the airflow rate.

[0050] The rear transition chamber 5 is located on the rear side of the rotary motor 1. It can receive external airflow and guide the airflow towards the rotary motor 1, providing a transition channel for the airflow required during the operation of the rotary motor 1, while buffering the pressure of the airflow entering the front stage of the rotary motor 1. The air inlet 6 is fixedly connected to the top of the rear transition chamber 5. External airflow can enter the rear transition chamber 5 through the air inlet 6. The air inlet 6 provides a stable airflow input channel for the rear transition chamber 5, ensuring that the rear transition chamber 5 can continuously supply airflow to the rotary motor 1.

[0051] Working principle: When the whole equipment is running, the external airflow first enters the rear transition chamber 5 through the air inlet 6. The rear transition chamber 5 buffers the airflow and guides it to the rotary motor 1. The airflow generated by the rotary motor 1 merges with the airflow introduced through the rear transition chamber 5 and enters the rear air outlet chamber 31 together, starting the equipment's ventilation, anti-blocking and flow control coordinated working process.

[0052] In the working phase of the ventilation anti-blocking mechanism 3, the airflow entering the rear air outlet chamber 31 first flows through the air outlet 32, which initially guides the airflow to flow stably towards the ventilation component 33. The ventilation central axis 331 in the ventilation component 33 provides fixed support for the ventilation fan 332. When the airflow passes through, it drives the ventilation fan 332 to rotate. The ventilation fan 332 further organizes the airflow direction and enhances the flow stability of the airflow in the area of ​​the ventilation central axis 331. Subsequently, it smoothly guides the airflow to the outer connecting ring 35 behind the rear connecting block 34. The airflow enters the outer connecting ring. After 35, it first contacts the anti-clogging filter 361 in the anti-clogging component 36. The anti-clogging filter 361 completely covers the airflow channel of the outer connecting ring 35, intercepting impurities carried in the airflow and preventing impurities from entering the subsequent structure. As the airflow continues to flow, impurities gradually accumulate on the surface of the anti-clogging filter 361. The airflow drives the scraping blade 362 on the front side of the anti-clogging filter 361 to rotate. The scraping blade 362 scrapes off the impurities on the surface of the anti-clogging filter 361. The scraped impurities enter the impurity receiving chamber 37 on the rear side of the outer connecting ring 35 under the action of their own gravity and the airflow.

[0053] The impurity holding chamber 37 stores impurities in a centralized manner. When impurities accumulate to the point where they need to be cleaned, the operator operates the opening handle 392 in the opening assembly 39 to drive the opening plate 391 to slide along the bottom of the outer wall of the impurity holding chamber 37, opening the impurity outlet 38 and allowing the impurities to be discharged from the impurity outlet 38. After the discharge is completed, the opening handle 392 is operated in reverse to drive the opening plate 391 to close the impurity outlet 38, thus completing the impurity cleaning process.

[0054] In the operation of the flow control mechanism 4, the external flow regulation signal is first transmitted to the signal receiver 43, which then transmits the signal to the central control device 2. After processing the signal, the central control device 2 stabilizes its connection with other components of the flow control mechanism 4 via the rear connector 41, and transmits control commands to the control component 44. The connecting rod 441 in the control component 44 slides in front of the central control device 2 to transmit control actions. If manual adjustment is required, the operator can push the push handle 442 to slide the connecting rod 441, further precisely controlling the position of the connecting rod 441. Simultaneously, the central control device 2 transmits control commands via the left connecting rod 441. The connector 45 transmits control power to the air control assembly 47 inside the transition air control chamber 46. The central shaft 471 in the air control assembly 47, supported by the left connector 45, drives the air control plate 472 on the outer wall to rotate. During the rotation of the air control plate 472, it changes its relative angle with the inner wall of the transition air control chamber 46, thereby adjusting the flow cross section of the airflow in the transition air control chamber 46 and realizing the regulation of the airflow. In addition, the upper connecting block 42 on the rear side of the top of the rear connector 41 docks with the relevant external structure to ensure that the flow control mechanism 4 is integrated into the overall equipment system and works in coordination with the ventilation and anti-blocking mechanism 3 to ensure the stability and controllability of the airflow transmission of the overall equipment.

[0055] Airflow is introduced through inlet 6, buffered by the rear transition chamber 5 and guided to the rotary motor 1. The airflow from the rotary motor 1 merges with the introduced airflow and enters the rear outlet chamber 31. After being guided by the outlet 32 ​​and combed by the ventilation component 33, it flows to the outer connecting ring 35. The anti-clogging filter 361 intercepts impurities, and the scraper blade 362 scrapes away impurities to the impurity receiving chamber 37. The operating opening component 39 discharges the impurities. At the same time, the signal receiver 43 transmits a signal to the central control device 2. The central control device 2 drives the control component 44 and the air control component 47 to adjust the flow rate. The upper connecting block 42 ensures system docking and coordinated operation of all components. This achieves continuous and stable ventilation of the equipment, effectively intercepts and cleans impurities to avoid blockage, precisely adjusts the airflow to adapt to different operating needs, improves the overall operating efficiency and reliability of the equipment, reduces the probability of equipment failure due to blockage, and extends the service life of the equipment.

[0056] The ventilation and anti-blockage mechanism 3 ensures unobstructed airflow and effective handling of impurities, while the flow control mechanism 4 achieves precise regulation of airflow. Together with the rotating motor 1 and the central control device 2, they form a complete airflow processing system. The air inlet 6 and the rear transition chamber 5 provide stable airflow input to the system, the rotating motor 1 provides the power basis for airflow, and the central control device 2 acts as the control core to coordinate the operation of each mechanism. Each component works in an orderly manner according to the above process, jointly ensuring that the equipment can achieve efficient ventilation, reliable anti-blockage, and precise flow control under different operating conditions, meeting various airflow processing needs during equipment operation.

[0057] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present 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 embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rotary kiln tertiary air valve anti-clogging internal ventilation device, comprising a rotary motor (1), characterized in that: A central control device (2) is provided on the right side of the rotary motor (1), and a ventilation anti-blocking mechanism (3) is provided on the rear side of the rotary motor (1). The ventilation anti-blocking mechanism (3) is used to filter and prevent airflow impurities in the rotary kiln. A flow control mechanism (4) is provided on the left side of the central control device (2). The flow control mechanism (4) is used to control the ventilation flow in the rotary kiln. The ventilation anti-blocking mechanism (3) includes a rear air outlet chamber (31), the front side of which is fixedly connected to the rear side of the rotary motor (1), an air outlet (32) is fixedly connected to the front side of the rear air outlet chamber (31), a ventilation component (33) is provided on the rear side of the air outlet (32), a rear connecting block (34) is fixedly connected to the rear side of the rear air outlet chamber (31), an outer connecting ring (35) is fixedly connected to the rear side of the rear connecting block (34), an anti-blocking component (36) is provided on the inner wall of the outer connecting ring (35), an impurity holding chamber (37) is fixedly connected to the rear side of the outer connecting ring (35), an impurity outlet (38) is provided at the bottom of the outer wall of the impurity holding chamber (37), and an opening component (39) is provided at the bottom of the impurity outlet (38).

2. The rotary kiln tertiary air valve anti-clogging internal ventilation device according to claim 1, characterized in that: The flow control mechanism (4) includes a rear connector (41), the front side of which is fixedly connected to the rear side of the central control device (2). An upper connecting block (42) is fixedly connected to the rear top of the rear connector (41), and a signal receiver (43) is fixedly connected to the front top of the rear connector (41). A control component (44) is provided on the front side of the central control device (2). A left connector (45) is fixedly connected to the left side of the central control device (2). A transition air control chamber (46) is fixedly connected to the left side of the left connector (45), and an air control component (47) is provided on the inner wall of the transition air control chamber (46).

3. The rotary kiln tertiary air valve anti-clogging internal ventilation device according to claim 1, characterized in that: The ventilation assembly (33) includes a ventilation central shaft (331), the inner wall of which is fixedly connected to the rear side of the rear connecting block (34), and a ventilation fan (332) is fixedly connected to the outer wall of the ventilation central shaft (331).

4. The internal ventilation device for preventing blockage of the tertiary air valve in a rotary kiln according to claim 1, characterized in that: The anti-clogging component (36) includes an anti-clogging filter (361), the outer wall of which is fixedly connected to the inner wall of the outer connecting ring (35), and a scraping blade (362) is rotatably connected to the front side of the anti-clogging filter (361).

5. The anti-clogging internal ventilation device for a rotary kiln tertiary air valve according to claim 1, characterized in that: The opening assembly (39) includes an opening piece (391), the outer wall of which is slidably connected to the bottom of the outer wall of the impurity container (37), and an opening handle (392) is fixedly connected to the left side of the opening piece (391).

6. The anti-clogging internal ventilation device for a rotary kiln tertiary air valve according to claim 2, characterized in that: The control component (44) includes a link (441), the rear side of which is slidably connected to the front side of the central control device (2), and a push handle (442) is fixedly connected to the front side of the link (441).

7. The anti-clogging internal ventilation device for a rotary kiln tertiary air valve according to claim 2, characterized in that: The air control assembly (47) includes a central shaft (471), the right side of which is fixedly connected to the left side of the left connector (45), and an air control plate (472) is fixedly connected to the outer wall of the central shaft (471).

8. The rotary kiln tertiary air valve anti-clogging internal ventilation device according to claim 1, characterized in that: A rear transition chamber (5) is provided on the rear side of the rotary motor (1), and an air inlet (6) is fixedly connected to the top of the rear transition chamber (5).

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