Intelligent kiln exhaust opening device

Abstract

The utility model discloses an intelligent kiln exhaust opening device which comprises an exhaust pipe, a butt joint pipe and a roller shutter baffle, a fixing structure is arranged between the exhaust pipe and the butt joint pipe, the cross section of the exhaust pipe is rectangular, the side wall of the exhaust pipe is provided with a horizontal sliding cavity and a vertical sliding cavity, and the horizontal sliding cavity is communicated with the vertical sliding cavity. The roller shutter baffle is arranged between the horizontal sliding cavity and the vertical sliding cavity in a sliding mode, and a driving assembly for driving the roller shutter baffle to slide is fixedly arranged between the exhaust pipe and the roller shutter baffle. The driving assembly is arranged to control the position of the roller shutter baffle in the exhaust pipe so as to change the cross section area of gas in the exhaust pipe, specifically, the opening degree of the exhaust pipe can be accurately controlled by controlling the number of turns of rotation of the output shaft of the micro motor, and the opening and closing action of an exhaust port controlled manually is omitted; and compared with manual control, the method is more accurate and rapid.

Description

Technical Field

[0001] This application relates to the field of kiln exhaust technology, and more specifically, to an intelligent kiln exhaust opening device. Background Technology

[0002] Currently, common ternary cathode materials are typically produced by uniformly mixing the precursor and lithium source and calcining them at high temperatures under oxygen or air conditions. During the high-temperature calcination process, a violent chemical reaction occurs, accompanied by the generation of waste gases, usually water vapor and carbon dioxide. The waste gases are discharged in a timely manner through the exhaust port to ensure the favorable progress of the forward chemical reaction. Exhausting is a core process in the sintering process of ternary cathode materials and directly affects the performance of the material. For example, low- and medium-nickel materials usually use an air sintering atmosphere with higher temperatures and larger air flow, which means that more waste gases are generated per unit time. Therefore, adopting a large exhaust mode is more conducive to the forward chemical reaction. Given this, the exhaust of each zone of the kiln is usually in a fully open mode. In contrast, high-nickel and ultra-high-nickel cathode materials have relatively lower calcination temperatures, relatively milder chemical reactions, and less waste gas generation. Therefore, the exhaust process settings are quite different from those of low- and medium-nickel materials.

[0003] In the current technology, the most common sintering kilns are roller kilns, pusher kilns, or rotary kilns, with roller kilns being the most common. The exhaust port usually adopts a cover plate or insert plate device, which is opened or closed according to process requirements during adjustment. The operation is simple, but at the same time, the disadvantages are also obvious. Different people have different perceptions of the same opening size when adjusting. For example, when the process requires the opening size to be 2 / 5, the actual opening size is not accurate enough because there is no 2 / 5 mark on the exhaust cover plate. Secondly, the biggest drawback of the original cover plate or insert plate device is that when the exhaust port is not fully opened, the exhaust gas is discharged from one side of the cover plate and will not be directly facing the exhaust pipe, which will result in the actual exhaust being significantly weaker than the theoretical exhaust.

[0004] Therefore, it is necessary for the inventors to design a new intelligent kiln exhaust opening device to overcome the above problems. Summary of the Invention

[0005] The main objective of this application is to provide an intelligent kiln exhaust opening device to solve the problem of inaccurate opening size caused by the need for manual opening of the exhaust port in related technologies.

[0006] To achieve the above objectives, this application provides an intelligent kiln exhaust opening device, including an exhaust pipe, a connecting pipe, and a roller shutter baffle. The exhaust pipe and the connecting pipe have a fixed structure. The exhaust pipe has a rectangular cross-section. The side wall of the exhaust pipe has a horizontal sliding cavity and a vertical sliding cavity. The roller shutter baffle is slidably disposed between the horizontal sliding cavity and the vertical sliding cavity. A driving component for driving the roller shutter baffle to slide is fixedly disposed between the exhaust pipe and the roller shutter baffle.

[0007] Optionally, the drive assembly includes a drive rod, a slide groove, and a motor screw assembly. The motor screw assembly includes a micro motor, a screw body, and a transmission component. The drive rod is fixedly disposed on the side wall of the end of the roller shutter baffle. The slide groove is formed on the side wall of the exhaust pipe. The screw body is disposed on the outer side wall of the exhaust pipe. The drive rod passes through the slide groove and is threadedly connected to the screw. The micro motor is fixedly disposed on the outer wall of the exhaust pipe. The output end of the micro motor drives the screw body to rotate through the transmission component. The thickness of the roller shutter baffle is greater than the width of the slide groove.

[0008] Optionally, a cover plate is fixedly provided on the outer wall of the connecting pipe, and the cover plate covers the outside of the drive assembly.

[0009] Optionally, an elastic reset member is also fixedly provided between the roller shutter baffle and the horizontal sliding cavity.

[0010] Optionally, the elastic reset member includes a plurality of springs, the springs being arranged in the direction of horizontal sliding of the roller shutter baffle, one end of the spring being fixedly connected to the side wall of the horizontal sliding cavity, and the other end of the spring being fixedly connected to the end of the roller shutter baffle.

[0011] Optionally, the fixing structure includes a connecting plate, which is fixedly disposed at one end of the connecting pipe. Threaded holes are fixedly disposed on the sidewalls of the connecting plate and the exhaust pipe. The exhaust pipe and the connecting pipe are fixedly connected by bolts that mate with the threaded holes.

[0012] Optionally, a sealing element is also fixedly provided between the connecting pipe and the exhaust pipe.

[0013] Optionally, the seal includes an annular sealing strip fixedly disposed at the end of the connector.

[0014] Optionally, the cover plate is detachably connected to the exhaust pipe by bolts.

[0015] Optionally, the roller shutter baffle has several frames.

[0016] The intelligent kiln exhaust opening device provided by this utility model has the following advantages compared with the prior art:

[0017] By setting up a drive component to control the position of the roller shutter baffle in the exhaust pipe, the cross-sectional area of ​​the gas in the exhaust pipe is changed. Specifically, the opening degree of the exhaust pipe can be precisely controlled by controlling the number of rotations of the micro motor output shaft, eliminating the need for manual control of the exhaust port opening and closing action, and is more accurate and faster than manual control. Attached Figure Description

[0018] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application. In the drawings:

[0019] Figure 1 This is an overall structural diagram of the present invention;

[0020] Figure 2 This is a cross-sectional view of the present invention;

[0021] Figure 3 This is an exploded view of the connection between the exhaust pipe and the connecting pipe of this utility model;

[0022] Figure 4 This is a utility model Figure 3 Exploded view of the structure at point A in the middle;

[0023] Figure 5 This is an exploded view of the drive structure of this utility model.

[0024] The components include: 1. Exhaust pipe; 2. Connecting pipe; 3. Roller shutter baffle; 4. Horizontal sliding cavity; 5. Vertical sliding cavity; 6. Drive rod; 7. Slide groove; 8. Micro motor; 9. Lead screw body; 10. Transmission component; 11. Cover plate; 12. Spring; 13. Connecting plate; 14. Annular sealing strip; 15. Frame; 16. Threaded hole. Detailed Implementation

[0025] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0026] It should be noted that the terms "first," "second," etc., used in the specification and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be used interchangeably where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that includes a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0027] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0028] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0029] In addition, the term "multiple" should mean two or more.

[0030] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0031] like Figures 1 to 5 As shown, an intelligent kiln exhaust opening device includes an exhaust pipe 1, a connecting pipe 2, and a roller shutter baffle 3. The exhaust pipe 1 and the connecting pipe 2 have a fixed structure. The exhaust pipe 1 has a rectangular cross-section. The side wall of the exhaust pipe 1 is provided with a horizontal sliding cavity 4 and a vertical sliding cavity 5. The roller shutter baffle 3 is slidably disposed between the horizontal sliding cavity 4 and the vertical sliding cavity 5. A driving component for driving the roller shutter baffle 3 to slide is fixedly disposed between the exhaust pipe 1 and the roller shutter baffle 3. The drive assembly includes a drive rod 6, a slide groove 7, and a motor screw assembly. The motor screw assembly includes a micro motor 8, a screw body 9, and a transmission component 10. The drive rod 6 is fixedly disposed on the side wall of the end of the roller shutter baffle 3. The slide groove 7 is formed on the side wall of the exhaust pipe 1. The screw body 9 is disposed on the outer side wall of the exhaust pipe 1. The drive rod 6 passes through the slide groove 7 and is threadedly connected to the screw. The micro motor 8 is fixedly disposed on the outer wall of the exhaust pipe 1. The output end of the micro motor 8 drives the screw body 9 to rotate through the transmission component 10. The thickness of the roller shutter baffle 3 is greater than the width of the slide groove 7.

[0032] Specifically, the exhaust pipe 1 is fixedly installed at the exhaust port of the kiln. One end of the connecting pipe 2 is connected to the exhaust pipe 1, and the other end is connected to the external exhaust pipe 1. When the kiln is venting, if it is necessary to adjust the exhaust size, the external control device controls the rotation of the micro motor 8, which in turn drives the lead screw body 9 to rotate. The lead screw body 9 drives one end of the roller shutter baffle 3 to slide up and down along the slide groove 7 via the drive rod 6. The roller shutter baffle 3 is blocked in the rectangular exhaust channel of the exhaust pipe 1, thereby realizing the function of adjusting the cross-sectional area of ​​the exhaust from the exhaust pipe 1. For example, when the exhaust pipe 1 is completely closed, the roller shutter baffle 3 completely blocks the channel of the exhaust pipe 1. At this time, the end of the roller shutter baffle 3 away from the drive rod 6 reaches the position closest to the vertical slide cavity 5. When the exhaust pipe 1 is fully opened, the entire roller shutter baffle 3 is almost completely retracted in the horizontal slide cavity 4, without obstructing the gas in the exhaust pipe 1. The exhaust pipe 1 here is rectangular, so the cross-sectional area of ​​the exhaust pipe 1 is changed by sliding the roller shutter baffle 3. Following the same technical concept, if the cross-section of the exhaust pipe 1 is a fan-shaped or circular shape with a range of 0-180 degrees, then a rotating fan-shaped roller shutter baffle 3 is used to change the cross-sectional area of ​​the exhaust pipe 1. The specific structure will not be described in detail here. In this embodiment, a drive assembly is used to control the position of the roller shutter baffle 3 in the exhaust pipe 1 to change the cross-sectional area of ​​the gas in the exhaust pipe 1. Specifically, the opening degree of the exhaust pipe 1 can be precisely controlled by controlling the number of rotations of the output shaft of the micro motor 8, eliminating the need for manual control of the exhaust port's opening and closing action, and is more accurate and faster than manual control.

[0033] like Figure 2 As shown, the horizontal sliding cavity 4 is only set at the upper end of the exhaust pipe 1. In use, the size of the cross-section of the exhaust pipe 1 is controlled by only one roller shutter baffle 3, which is slightly less efficient. As another embodiment of this application, the horizontal sliding cavity 4 and roller shutter baffle 3 can also be symmetrically set at the lower end of the exhaust pipe 1. The roller shutter baffle 3 at the upper end can be controlled to slide up and down in the same way, thereby doubling the rate of change of the cross-section size of the exhaust pipe 1, making the device more sensitive to control. However, the corresponding cost is higher. Operators can choose according to actual needs.

[0034] A cover plate 11 is fixedly installed on the outer wall of the connecting pipe 2, and the cover plate 11 covers the outside of the drive assembly. Specifically, due to the presence of the slide groove 7, the gas in the exhaust pipe 1 can be discharged from the slide groove 7. Therefore, the cover plate 11 is provided to prevent gas leakage. To prevent water vapor accumulation, the inner bottom surface of the cover plate 11 can also be set to be inclined to guide water vapor from the cover plate 11 through the slide groove 7 into the exhaust pipe 1. In addition, a flexible rubber strip can be provided on the side wall of the slide groove 7, so that the drive rod 6 can slide normally while isolating water vapor from areas other than the drive rod 6.

[0035] An elastic reset component is also fixedly installed between the roller shutter baffle 3 and the horizontal sliding cavity 4. Specifically, since the power of the micro motor 8 is relatively small, it is difficult to overcome the gravity of the roller shutter baffle 3. The elastic reset component can assist the micro motor 8 in resetting the roller shutter baffle 3.

[0036] The elastic reset component includes several springs 12, which are arranged along the horizontal sliding direction of the roller shutter baffle 3. One end of each spring 12 is fixedly connected to the side wall of the horizontal sliding cavity 4, and the other end of each spring 12 is fixedly connected to the end of the roller shutter baffle 3. Specifically, the roller shutter baffle 3 is reset by pulling the springs 12.

[0037] The fixing structure includes a connecting plate 13, which is fixedly disposed at one end of the connecting pipe 2. Threaded holes 16 are fixedly provided on the connecting plate 13 and the side wall of the exhaust pipe 1. The exhaust pipe 1 and the connecting pipe 2 are fixedly connected by bolts that mate with the threaded holes 16. Specifically, the connecting pipe 2 and the exhaust pipe 1 are fixedly connected by bolts. In use, the specific model and size of the connecting pipe 2 can be selected according to actual needs to adapt to different external pipes.

[0038] A sealing element is also fixedly provided between the connecting pipe 2 and the exhaust pipe 1. The sealing element includes an annular sealing strip 14 fixedly provided at the end of the connecting pipe 2. Specifically, the annular sealing strip 14 is used to seal the connection between the exhaust pipe 1 and the connecting pipe 2.

[0039] The cover plate 11 is detachably connected to the exhaust pipe 1 by bolts. Specifically, by disassembling the cover plate 11, the micro motor 8 can be periodically inspected and maintained.

[0040] The roller shutter baffle 3 has several frames 15. Specifically, since the roller shutter baffle 3 is subjected to gas impact in the exhaust pipe 1, the frames 15 are provided to resist the gas impact. The two ends of the frames 15 should be engaged in the vertical sliding cavities 5 on both sides of the exhaust pipe 1. It should be noted that in addition to the vertical sliding cavities 5, inclined sliding cavities can also be provided, as long as their top ends are connected to the horizontal sliding cavity 4. Correspondingly, if it is an inclined sliding cavity, the arrangement of the slide groove 7 and the lead screw body 9 should be set in an inclined shape.

[0041] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An intelligent kiln exhaust opening device, characterized in that: The device includes an exhaust pipe (1), a connecting pipe (2), and a roller shutter baffle (3). The exhaust pipe (1) and the connecting pipe (2) have a fixed structure. The exhaust pipe (1) has a rectangular cross-section. The side wall of the exhaust pipe (1) is provided with a horizontal sliding cavity (4) and a vertical sliding cavity (5). The roller shutter baffle (3) is slidably disposed between the horizontal sliding cavity (4) and the vertical sliding cavity (5). A drive assembly for driving the roller shutter baffle (3) to slide is fixedly disposed between the exhaust pipe (1) and the roller shutter baffle (3).

2. The intelligent kiln exhaust opening device as described in claim 1, characterized in that: The drive assembly includes a drive rod (6), a slide groove (7), and a motor screw assembly. The motor screw assembly includes a micro motor (8), a screw body (9), and a transmission component (10). The drive rod (6) is fixedly installed on the side wall of the end of the roller shutter baffle (3). The slide groove (7) is opened on the side wall of the exhaust pipe (1). The screw body (9) is rotated on the outer side wall of the exhaust pipe (1). The drive rod (6) passes through the slide groove (7) and is threadedly connected to the screw. The micro motor (8) is fixedly installed on the outer wall of the exhaust pipe (1). The output end of the micro motor (8) drives the screw body (9) to rotate through the transmission component (10). The thickness of the roller shutter baffle (3) is greater than the width of the slide groove (7).

3. The intelligent kiln exhaust opening device as described in claim 2, characterized in that: The outer wall of the connecting pipe (2) is fixedly provided with a cover plate (11), which covers the outside of the drive assembly.

4. The intelligent kiln exhaust opening device as described in claim 1, characterized in that: An elastic reset component is also fixedly provided between the roller shutter baffle (3) and the horizontal sliding cavity (4).

5. The intelligent kiln exhaust opening device as described in claim 4, characterized in that: The elastic reset component includes several springs (12), which are arranged in the direction of horizontal sliding of the roller shutter baffle (3). One end of the spring (12) is fixedly connected to the side wall of the horizontal sliding cavity (4), and the other end of the spring (12) is fixedly connected to the end of the roller shutter baffle (3).

6. The intelligent kiln exhaust opening device as described in claim 1, characterized in that: The fixing structure includes a connecting plate (13), which is fixedly disposed at one end of the connecting pipe (2). Threaded holes (16) are fixedly disposed on the side wall of the connecting plate (13) and the exhaust pipe (1). The exhaust pipe (1) and the connecting pipe (2) are fixedly connected by bolts that mate with the threaded holes (16).

7. The intelligent kiln exhaust opening device as described in claim 1, characterized in that: A sealing element is also fixedly installed between the connecting pipe (2) and the exhaust pipe (1).

8. The intelligent kiln exhaust opening device as described in claim 7, characterized in that: The sealing element includes an annular sealing strip (14) fixedly disposed at the end of the connecting pipe (2).

9. The intelligent kiln exhaust opening device as described in claim 3, characterized in that: The cover plate (11) is detachably connected to the exhaust pipe (1) by bolts.

10. The intelligent kiln exhaust opening device as described in claim 1, characterized in that: The roller shutter baffle (3) has several frames (15).

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