In-kiln pressure adjusting mechanism

Abstract

A pressure adjusting mechanism in a kiln is used for controlling the size of a smoke outlet of a smoke exhaust pipe of the kiln and comprises an actuator, a transmission assembly, a flashboard bracket, a flashboard and a sensor. The flashboard bracket is horizontally mounted on the outer side of the smoke exhaust pipe and is used for supporting the flashboard; the sensor is arranged in the kiln and used for obtaining environment data in the kiln, the actuator is arranged outside the smoke exhaust pipe, one end of the transmission assembly is connected with the actuator, the other end of the transmission assembly is connected with the flashboard, and the actuator drives the flashboard to reciprocate through the transmission assembly; and the actuator controls the flashboard to block or open the smoke exhaust port of the smoke exhaust pipe based on the pressure value acquired by the sensor. By integrating the actuator, the transmission assembly, the flashboard bracket, the flashboard, the sensor and other components, automatic adjustment of the pressure in the kiln is achieved, the size of a smoke exhaust opening of the smoke exhaust pipe can be automatically adjusted according to the actual change of the pressure in the kiln, frequent manual adjustment by workers is not needed, and the production automation level is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of furnace structures, in particular to a pressure regulating mechanism inside a kiln. Background Art

[0002] At present, during the production process of a kiln, according to the requirements of the process air intake volume and the different amounts of flue gas generated by the sintering of materials, especially in the case without a blower, the regulation of the kiln pressure requires workers to adjust the ceramic damper at the top according to experience at different temperature rising stages, and then automatically fine-tune according to the actuator butterfly valve installed at the air distribution port of the flue gas bypass. Because the fine-tuning amount of the air distribution port is small, the adjustment of the ceramic damper requires a lot of experience and the workers need to have operating ability; moreover, because the flue gas generated during the sintering of materials changes, people need to check from time to time and adjust the position of the ceramic damper; when workers operate and adjust at high temperature, they are easily scalded. Content of the Utility Model

[0003] Aiming at the problems raised in the background art, the purpose of the utility model is to provide a pressure regulating mechanism inside a kiln, which solves the problem that workers need to adjust the opening size of the damper at the top of the kiln according to the on-site sintering situation and experience, and there are potential production safety hazards.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] A pressure regulating mechanism inside a kiln, used to control the size of the smoke exhaust port of the kiln's smoke exhaust pipe, includes an actuator, a transmission component, a damper bracket, a damper and a sensor;

[0006] The damper bracket is horizontally installed on the outside of the smoke exhaust pipe, and the damper bracket is used to support the damper;

[0007] The sensor is arranged inside the kiln, the sensor is used to obtain the environmental data inside the kiln, the actuator is arranged outside the smoke exhaust pipe, one end of the transmission component is connected to the actuator, the other end of the transmission component is connected to the damper, and the actuator drives the damper to reciprocate through the transmission component;

[0008] The actuator controls the damper to block or open the smoke exhaust port of the smoke exhaust pipe based on the environmental data obtained by the sensor.

[0009] Preferably, the smoke exhaust pipe includes a lower smoke pipe, an upper smoke pipe, an air distribution pipe and a connecting pipe;

[0010] The lower smoke pipe is located below the upper smoke pipe, the lower smoke pipe and the upper smoke pipe are connected through the connecting pipe, and the air distribution pipe is arranged on the side wall of the upper smoke pipe;

[0011] One side of the connecting pipe is provided with an insertion port, and the outside of the insertion port is provided with the gate bracket. The gate is inserted into the connecting pipe through the insertion port, and the gate is used to block the connecting pipe.

[0012] Preferably, the transmission assembly includes a crank and a connecting rod. One end of the crank is connected to the actuator, the other end of the crank is connected to one end of the connecting rod, and the other end of the connecting rod is connected to the gate.

[0013] Preferably, a long adjustment slot is provided at the end of the crank away from the actuator. A connecting shaft is movably provided in the adjustment slot. The connecting shaft vertically penetrates the adjustment slot. A fixing nut is provided at the upper part of the connecting shaft, and the lower part of the connecting shaft is connected to the connecting rod.

[0014] Preferably, the gate bracket includes two horizontal plates and a connecting plate. One end of the horizontal plate is connected to the outside of the connecting pipe. The two horizontal plates are arranged in parallel, and the other ends of the two horizontal plates are connected by the connecting plate.

[0015] Preferably, the connecting rod is connected to the gate through a connecting slider;

[0016] The connecting slider is arranged at the end of the gate away from the insertion port. Chute grooves are respectively provided on both sides of the connecting slider. One chute groove is clamped on one horizontal plate, and the chute groove is slidably connected to the horizontal plate.

[0017] Preferably, the connecting rod is parallel to the horizontal plate.

[0018] Preferably, the actuator is installed on a support frame, and the support frame keeps the actuator, the transmission assembly and the gate on the same horizontal plane.

[0019] Preferably, the air distribution pipe and the gate bracket are arranged on different sides of the exhaust pipe.

[0020] Preferably, the sensor is a pressure sensor, and the sensor is used to obtain the pressure value inside the kiln;

[0021] When the pressure value obtained by the sensor is greater than the preset value, the actuator controls the gate to withdraw from the connecting pipe;

[0022] When the pressure value obtained by the sensor is less than the preset value, the actuator controls the gate to enter the connecting pipe.

[0023] Compared with the prior art, one of the above technical solutions has the following beneficial effects:

[0024] The utility model realizes the automatic regulation of the pressure in the kiln by integrating components such as an actuator, a transmission component, a gate bracket, a gate, and a sensor. This mechanism can automatically adjust the size of the smoke exhaust port of the smoke exhaust pipe according to the actual change of the internal pressure of the kiln, without the need for workers to frequently adjust manually, greatly improving the level of production automation. Brief Description of the Drawings

[0025] Figure 1 is a schematic structural diagram of the utility model;

[0026] Figure 2 is a schematic structural diagram of another angle of the utility model;

[0027] Figure 3 is a top view of the utility model.

[0028] Wherein: actuator 1, transmission component 2, crank 21, adjustment groove 211, connecting shaft 212, fixing nut 213, connecting rod 22, connecting slider 23, chute 231, gate bracket 3, horizontal plate 31, connecting plate 32, gate 4, smoke exhaust pipe 5, lower smoke pipe 51, upper smoke pipe 52, air distribution pipe 53, connecting pipe 54, and support frame 6. Detailed Embodiment

[0029] The following details the embodiments of the utility model. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model and should not be construed as a limitation of the utility model.

[0030] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the utility model.

[0031] In addition, the terms "first", "second", and "third" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", and "third" may explicitly or implicitly include one or more of such features.

[0032] It should be noted that, unless otherwise clearly specified and defined, the terms "installation", "connection", and "linkage" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0033] The following will further illustrate the technical solution of the present utility model in conjunction with the attached Figures 1 to 3 drawings and through specific embodiments.

[0034] A pressure regulating mechanism inside a kiln, which is used to control the size of the smoke exhaust port of the smoke exhaust pipe 5 of a kiln furnace, is characterized in that: it includes an actuator 1, a transmission assembly 2, a gate bracket 3, a gate 4 and a sensor;

[0035] The gate bracket 3 is horizontally installed on the outside of the smoke exhaust pipe 5, and the gate bracket 3 is used to support the gate 4;

[0036] The sensor is arranged inside the kiln furnace, the sensor is used to obtain the environmental data inside the kiln furnace, the actuator 1 is arranged outside the smoke exhaust pipe 5, one end of the transmission assembly 2 is connected to the actuator 1, the other end of the transmission assembly 2 is connected to the gate 4, and the actuator 1 drives the gate 4 to reciprocate through the transmission assembly 2;

[0037] The actuator 1 controls the gate 4 to block or open the smoke exhaust port of the smoke exhaust pipe 5 based on the environmental data value obtained by the sensor.

[0038] By integrating components such as the actuator 1, the transmission assembly 2, the gate bracket 3, the gate 4 and the sensor, the present utility model realizes the automatic regulation of the pressure inside the kiln. This mechanism can obtain the environmental data inside the kiln furnace through the sensor, such as the pressure value inside the furnace, the temperature value inside the furnace, etc., and automatically adjust the size of the smoke exhaust port of the smoke exhaust pipe 5 according to the environmental data obtained by the sensor, without the need for workers to frequently manually adjust, greatly improving the level of production automation.

[0039] Due to the adoption of the actuator and the transmission assembly, compared with the traditional manual adjustment of the ceramic gate, this mechanism can more accurately control the opening degree of the smoke exhaust port of the kiln furnace, thereby realizing the fine adjustment of the pressure inside the kiln. This helps to maintain the stability of the pressure inside the kiln, optimize the sintering process, and improve the product quality. The automatic adjustment reduces manual intervention and reduces the risk of accidents caused by human operation errors; at the same time, workers do not need to frequently manually adjust in a high-temperature and high-dust environment, reducing the labor intensity and reducing the health risks caused by long-term high-temperature operations, such as burns and heatstroke, ensuring the safety of the working environment.

[0040] Further, the exhaust pipe 5 includes a lower exhaust pipe 51, an upper exhaust pipe 52, an air distribution pipe 53, and a connecting pipe 54;

[0041] The lower exhaust pipe 51 is located below the upper exhaust pipe 52. The lower exhaust pipe 51 and the upper exhaust pipe 52 are communicated through the connecting pipe 54. The air distribution pipe 53 is provided on the side wall of the upper exhaust pipe 52;

[0042] One side of the connecting pipe 54 is provided with an insertion port. The outside of the insertion port is provided with the gate bracket 3. The gate 4 is inserted into the connecting pipe 54 through the insertion port. The gate 4 is used to block the connecting pipe 54.

[0043] By subdividing the exhaust pipe 5 into several parts including the lower exhaust pipe 51, the upper exhaust pipe 52, the air distribution pipe 53, and the connecting pipe 54, and setting an insertion port and a gate bracket 3 at the connecting pipe 54, the structure of the entire in-kiln pressure regulating mechanism becomes more flexible. By setting an insertion port on the side wall of the connecting pipe 54 and inserting the gate 4 into the connecting pipe 54 through this insertion port to block or open the exhaust pipe 5, the size of the exhaust port can be controlled more precisely. This design avoids the problem of inaccurate regulation that may be caused by the direct action of the gate on the entire exhaust pipe in the traditional method, and improves the accuracy and stability of pressure regulation.

[0044] The setting of the air distribution pipe 53 makes the air flow distribution in the upper exhaust pipe 52 more uniform, which helps to reduce the vortex and turbulence phenomena of the air flow in the exhaust pipe, reduce energy loss, and improve the exhaust efficiency. At the same time, by adjusting the opening degree of the air distribution pipe 53, the air flow distribution in the kiln can be further fine-tuned to meet different process requirements.

[0045] The segmented design of the exhaust pipe 5, in cooperation with components such as the actuator 1, the transmission assembly 2, and the sensor, further realizes the automatic regulation of the pressure in the kiln. By real-time monitoring the pressure in the kiln and automatically adjusting the position of the gate according to the preset algorithm and parameters, the precise control of the size of the exhaust port is achieved, which improves the automation level and intelligence degree of the production process.

[0046] Furthermore, the transmission assembly 2 includes a crank 21 and a connecting rod 22. One end of the crank 21 is connected to the actuator 1, the other end of the crank 21 is connected to one end of the connecting rod 22, and the other end of the connecting rod 22 is connected to the gate 4.

[0047] The transmission mechanism composed of the crank 21 and the connecting rod 22 is a simple and efficient mechanical transmission method. It can convert the rotational motion generated by the actuator 1 into the linear reciprocating motion required by the gate 4, and the energy loss is small during this process, thereby improving the transmission efficiency.

[0048] The crank - connecting rod mechanism has stable motion characteristics, which can ensure that the gate 4 remains stable and without jitter during movement. This is crucial for precisely controlling the size of the smoke exhaust port and helps maintain the stability of the pressure inside the kiln. In addition, the crank - connecting rod mechanism can adjust the lengths of the crank and the connecting rod as needed to adapt to smoke exhaust pipes of different sizes and shapes, making this pressure - regulating mechanism inside the kiln highly adaptable and flexible, capable of meeting the usage requirements of different kilns. Finally, compared with other complex transmission mechanisms, the crank - connecting rod mechanism has a relatively simple structure and a lower manufacturing cost. This helps reduce the manufacturing cost of the entire pressure - regulating mechanism inside the kiln and improve economic efficiency.

[0049] Furthermore, at one end of the crank 21 away from the actuator 1, there is a long - strip - shaped adjustment slot 211. An attachment shaft 212 is movably arranged in the adjustment slot 211. The attachment shaft 212 vertically penetrates the adjustment slot 211. A fixing nut 213 is provided at the upper part of the attachment shaft 212, and the lower part of the attachment shaft 212 is connected to the connecting rod 22.

[0050] Through the design of the adjustment slot 211 and the attachment shaft 212, the position of the connection point between the crank 21 and the connecting rod 22 can be adjusted. This adjustability enables the trajectory of the gate 4 during movement to be finely tuned according to actual needs, thereby enhancing the flexibility of the entire adjustment mechanism. For example, under different kiln operating conditions, it may be necessary to adjust the movement trajectory of the gate according to the specific position and size of the smoke exhaust port to achieve the best adjustment effect. Since an adjustable connection method is adopted between the attachment shaft 212 and the crank 21, stress concentration and wear problems caused by fixed connection are avoided. This design helps extend the service life of the transmission components and improve the durability of the entire pressure - regulating mechanism inside the kiln.

[0051] During the installation and commissioning process, the initial positions of the connecting rod 22 and the gate 4 can be optimized by adjusting the position of the attachment shaft 212 in the adjustment slot 211, making the subsequent operation of the entire adjustment mechanism smoother and more in line with the usage requirements. This design reduces the difficulty of installation and commissioning and improves work efficiency.

[0052] Furthermore, the gate bracket 3 includes two horizontal plates 31 and a connecting plate 32. One end of the horizontal plate 31 is connected to the outer side of the connecting pipe 54. The two horizontal plates 31 are arranged in parallel, and the other ends of the two horizontal plates 31 are connected by the connecting plate 32.

[0053] The gate bracket 3 composed of two parallel horizontal plates 31 and the connecting plate 32 provides stable and reliable support for the gate 4. This support structure can effectively prevent the gate 4 from shifting or shaking during movement, thus ensuring the accuracy and stability of the smoke exhaust port adjustment.

[0054] Specifically, the two sides of the gate plate 4 are respectively placed on the horizontal plates 31 on both sides, and the horizontal plates 31 are tightly connected to the connecting pipe 54, so the gate plate 4 can maintain a stable track during the movement. This stability helps to reduce the friction and wear between the gate plate and the smoke exhaust pipe, and prolong the service life of the equipment.

[0055] Furthermore, the two horizontal plates 31 are arranged at one end away from the connecting pipe 54, and the two horizontal plates 31 are connected across to provide stability for the gate bracket 3. In addition, the connecting plate 32 also limits the gate 4 in place, so that the gate 4 will not separate from the gate bracket 3 when it exits the connecting pipe 54 horizontally.

[0056] Furthermore, the connecting rod 22 is connected to the gate plate 4 via a connecting slider 23;

[0057] The connecting slider 23 is arranged at one end of the gate plate 4 away from the plug interface, and sliding grooves 231 are respectively provided on both sides of the connecting slider 23. The sliding groove 231 on one side is clamped on the horizontal plate 31 on one side, and the sliding groove 231 is slidably connected to the horizontal plate 31.

[0058] Through the design of the connecting slider 23 and the slide groove 231, the connection between the connecting rod 22 and the gate 4 becomes smoother. When the connecting rod 22 drives the gate 4 to move, the sliding of the connecting slider 23 on the horizontal plate 31 can ensure that the gate 4 moves smoothly along the predetermined trajectory, reducing the impact and vibration that may be caused by the direct connection. The sliding connection between the connecting slider 23 and the horizontal plate 31 not only improves the transmission stability, but also enhances the stability of the entire structure. This design makes it difficult for the gate 4 to deviate or shake during movement, which helps to maintain the accuracy and stability of the smoke exhaust port adjustment. Since the connecting slider 23 and the horizontal plate 31 are connected by sliding, this design can significantly reduce wear and friction compared to the direct contact friction method. This helps to extend the service life of the equipment and reduce performance degradation and failures caused by wear.

[0059] Furthermore, the connecting rod 22 and the horizontal plate 31 are parallel to each other.

[0060] The parallel design of the connecting rod 22 and the horizontal plate 31 makes the structure of the entire transmission mechanism more stable. This parallel design reduces the stress concentration caused by angle deviation or distortion, reduces the fatigue and damage risk of mechanical components, and thus extends the service life of the equipment. Since the relative movement between the connecting rod 22 and the gate bracket 3 is smoother, unnecessary friction and resistance are reduced, the transmission efficiency can be improved, so that the power generated by the actuator 1 is more effectively transmitted to the gate 4.

[0061] Furthermore, the actuator 1 is installed on the support frame 6, and the support frame 6 places the actuator 1, the transmission assembly 2, and the gate plate 4 on the same horizontal plane.

[0062] By installing the actuator 1 on the support frame, the actuator 1, the transmission assembly 2, and the gate plate 4 are arranged on the same horizontal plane. This helps to reduce the adjustment error caused by height differences or angular deviations, and the energy loss and frictional resistance during the transmission process are minimized. This optimization ensures that the actuator 1 can more accurately control the movement of the transmission assembly 2, so that the power can be transmitted to the gate plate more effectively, improving the transmission efficiency. Furthermore, it ensures the position accuracy of the gate plate 4 during the adjustment process and improves the accuracy of the kiln internal pressure adjustment.

[0063] Furthermore, the air distribution pipe 53 and the gate plate bracket 3 are arranged on different sides of the exhaust pipe 5.

[0064] Arranging the air distribution pipe 53 and the gate plate bracket 3 on different sides of the exhaust pipe 5 helps to optimize the air flow distribution in the exhaust pipe. The air distribution pipe 53 is responsible for supplying air into the kiln, while the gate plate 4 on the gate plate bracket 3 is used to adjust the size of the exhaust port. By separating the settings, the overlap and conflict between components can be avoided, making the entire adjustment mechanism more compact and efficient.

[0065] Further, the sensor is a pressure sensor, and the sensor is used to obtain the pressure value inside the kiln;

[0066] When the pressure value obtained by the sensor is greater than the preset value, the actuator 1 controls the gate plate 4 to withdraw from the connecting pipe 54;

[0067] When the pressure value obtained by the sensor is less than the preset value, the actuator 1 controls the gate plate 4 to enter the connecting pipe 54.

[0068] By integrating the sensor, the kiln internal pressure adjustment mechanism can monitor the pressure changes inside the kiln in real time and automatically adjust the position of the gate plate 4 according to the preset pressure threshold. This automatic control method reduces the need for manual intervention and improves work efficiency and accuracy.

[0069] In some production scenarios, too high or too low pressure inside the kiln may cause safety hazards. By automatically controlling the entry and exit of the gate plate 4, measures can be taken in a timely manner when the pressure exceeds or is lower than the safe range to prevent safety accidents. Reasonable control of the kiln internal pressure helps to optimize the combustion efficiency and heat transfer effect, thereby reducing the energy consumption during the production process. By automatically controlling the gate plate 4, it can ensure that the pressure inside the kiln always remains within the optimal range, thereby improving the energy utilization efficiency and reducing the production cost.

[0070] Automatic control reduces the time and error rate of manual operation, making the production process smoother and more efficient. At the same time, the stable pressure in the kiln also provides a strong guarantee for the quality and output of the product, further improving production efficiency.

[0071] The technical principle of the present invention is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanations here, technicians in this field can think of other specific implementation methods of the present invention without creative work, and these methods will fall within the protection scope of the present invention.

Claims

1. A kiln pressure regulating mechanism, used to control the size of the smoke exhaust port of the kiln smoke exhaust pipe, characterized in that: Includes actuator, transmission assembly, gate bracket, gate and sensor; The gate bracket is horizontally installed on the outside of the smoke exhaust pipe, and the gate bracket is used to support the gate; The sensor is arranged inside the kiln, and is used to obtain environmental data inside the kiln. The actuator is arranged outside the smoke exhaust pipe. One end of the transmission assembly is connected to the actuator, and the other end of the transmission assembly is connected to the gate. The actuator drives the gate to reciprocate through the transmission assembly. The actuator controls the damper to block or open the smoke exhaust port of the smoke exhaust pipe based on the environmental data acquired by the sensor.

2. A kiln pressure regulating mechanism according to claim 1, characterized in that: The smoke exhaust pipe includes a lower smoke pipe, an upper smoke pipe, an air distribution pipe and a connecting pipe; The lower smoke pipe is located below the upper smoke pipe, the lower smoke pipe and the upper smoke pipe are connected through the connecting pipe, and the side wall of the upper smoke pipe is provided with the air distribution pipe; A plug-in port is provided on one side of the connecting pipe, and the gate bracket is provided on the outside of the plug-in port. The gate is inserted into the connecting pipe through the plug-in port, and the gate is used to block the connecting pipe.

3. A kiln pressure regulating mechanism according to claim 2, characterized in that: The transmission assembly includes a crank and a connecting rod, one end of the crank is connected to the actuator, the other end of the crank is connected to one end of the connecting rod, and the other end of the connecting rod is connected to the gate.

4. A kiln pressure regulating mechanism according to claim 3, characterized in that: An elongated adjusting slot is provided at one end of the crank away from the actuator, a connecting shaft is movably provided in the adjusting slot, the connecting shaft vertically passes through the adjusting slot, a fixing nut is provided at the upper part of the connecting shaft, and the lower part of the connecting shaft is connected to the connecting rod.

5. A kiln pressure regulating mechanism according to claim 4, characterized in that: The gate bracket includes two horizontal plates and a connecting plate. One end of the horizontal plate is connected to the outer side of the connecting pipe. The two horizontal plates are arranged parallel to each other, and the other ends of the two horizontal plates are connected through the connecting plate.

6. A kiln pressure regulating mechanism according to claim 5, characterized in that: The connecting rod is connected to the gate plate via a connecting slider; The connecting slider is arranged at one end of the gate away from the plug interface, and sliding grooves are respectively arranged on both sides of the connecting slider. The sliding groove on one side is clamped on the horizontal plate on one side, and the sliding groove is slidably connected with the horizontal plate.

7. A kiln pressure regulating mechanism according to claim 6, characterized in that: The connecting rod and the horizontal plate are parallel to each other.

8. A kiln pressure regulating mechanism according to claim 7, characterized in that: The actuator is mounted on a support frame, and the support frame enables the actuator, the transmission assembly and the gate plate to be in the same horizontal plane.

9. A kiln pressure regulating mechanism according to claim 8, characterized in that: The air distribution pipe and the damper bracket are arranged on different sides of the smoke exhaust pipe.

10. A kiln pressure regulating mechanism according to any one of claims 2 to 9, characterized in that: The sensor is a pressure sensor, and the sensor is used to obtain the pressure value inside the kiln; When the pressure value acquired by the sensor is greater than a preset value, the actuator controls the gate to withdraw from the connecting pipe; When the pressure value acquired by the sensor is less than a preset value, the actuator controls the gate to enter the connecting pipe.

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