A special baffle door for flue gas denitration

CN224865191UActive Publication Date: 2026-10-20SHANDONG JIAOYANG ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202521947304.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-10
Publication Date
2026-10-20
Estimated Expiration
2035-09-10

AI Technical Summary

Technical Problem

[0005]为解决上述背景技术中提出的问题,本实用新型的目的在于提供一种烟气脱硝专用挡板门,具备了便于拆装的优点,解决了挡板门与管体之间的开合,主要通过电动伸缩杆实现,因此挡板门无法从管体前拆除掉,然而烟气主要通过燃烧或挥发形成,因而必然会有灰烬等颗粒物存在,从而管体内部需要清理,此时挡板门便会严重干扰到清理工作实施的问题

Benefits of technology

1、本实用新型通过设置插拔组件,当使用者需要挡板门与电动伸缩杆之间方便实现拆卸与安装时,利用插拔组件的插拔特性,使得挡板门与电动伸缩杆之间实现简便插拔连接,解决了挡板门与管体之间的开合,主要通过电动伸缩杆实现,因此挡板门无法从管体前拆除掉,然而烟气主要通过燃烧或挥发形成,因而必然会有灰烬等颗粒物存在,从而管体内部需要清理,此时挡板门便会严重干扰到清理工作实施的问题,达到了便于拆装的效果。

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Abstract

The utility model discloses a baffle door special for flue gas denitration relates to baffle door technical field, including the door structure, the door structure includes the pipe body, baffle door, sealing block, electric telescopic handle and detection device, the back of baffle door and the front of pipe body contact, the surface of sealing block and the inner wall of pipe body contact. The utility model discloses a plug -in plug -out assembly is set up, when the user needs the baffle door and electric telescopic handle between the convenient realization of dismounting and installation, utilize the plug -in plug -out characteristic of plug -in plug -out assembly, make the baffle door and electric telescopic handle between simple plug -in plug -out connection, solved the opening and closing between baffle door and pipe body, mainly through electric telescopic handle realizes, therefore baffle door can not be removed from the pipe body before, however flue gas mainly forms through burning or volatilization, thus certainly will have the particulate matter such as cinder exist, thereby the inside of pipe body needs cleaning, baffle door will seriously interfere with the cleaning work implementation problem at this moment, reached the effect that convenient dismounting.
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Description

Technical Field

[0001] This utility model relates to the field of baffle gate technology, specifically a baffle gate for flue gas denitrification. Background Technology

[0002] With the continuous development of industrialization, the thermal power generation and metallurgical industries have been increasing production, resulting in the emission of large amounts of sulfur-containing gases from flues, forming acid rain and causing serious pollution to the atmosphere. Flue gas desulfurization dampers can block sulfur-containing gases. The sealing of flue gas dampers mainly involves the sealing between dampers and between dampers and the inner wall of the frame.

[0003] For example, application number CN202222028228.4 discloses a baffle door for flue gas desulfurization and denitrification. The sealing module is used to close and open the pipe body, including an electric telescopic rod fixed in a ring array on the main module, a T-shaped base plate fixed to the end of the electric telescopic rod, an annular plate sleeved and fixed on the T-shaped base plate, a top plate fixed to the end of the T-shaped base plate, and sealing rubber rings respectively installed on the side of the T-shaped base plate, the side of the annular plate, and the side of the top plate. The electric telescopic rod is installed on the fixing component and is used to drive the T-shaped base plate to move, so that the T-shaped base plate shell closes and opens the end of the pipe body. The annular plate and the top plate are used to install the rubber sealing rings. At the same time, a first cavity is formed between the pipe body, the T-shaped base plate, and the annular plate, and a second cavity is formed between the pipe body, the annular plate, and the top plate for the detection module to detect air leakage. This baffle door for flue gas desulfurization and denitrification has the advantages of good sealing effect and air leakage detection alarm.

[0004] Based on the search of the aforementioned patents and the findings of existing equipment, while the aforementioned equipment can solve the following drawbacks of existing flue gas dampers during use: poor sealing effect, with a small amount of flue gas still seeping out from the connection between the damper and the pipe when the damper is closed, harming the environment; and the small amount of flue gas emitted makes it difficult for workers to detect and thus hinders inspection and maintenance. However, during use, the opening and closing of the damper and the pipe is mainly achieved through an electric telescopic rod, so the damper cannot be removed from the front of the pipe. Since flue gas is mainly formed through combustion or volatilization, there will inevitably be ash and other particulate matter present, requiring cleaning of the inside of the pipe. At this time, the damper will seriously interfere with the cleaning work. Utility Model Content

[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide a special baffle door for flue gas denitrification, which has the advantage of easy disassembly and assembly. It solves the problem that the opening and closing of the baffle door and the pipe body is mainly achieved by an electric telescopic rod, so the baffle door cannot be removed from the front of the pipe body. However, flue gas is mainly formed by combustion or volatilization, so there will inevitably be particulate matter such as ash, so the inside of the pipe body needs to be cleaned. At this time, the baffle door will seriously interfere with the implementation of the cleaning work.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a special baffle gate for flue gas denitrification, comprising a baffle structure, the baffle structure including a pipe body, a baffle gate, a sealing block, an electric telescopic rod, and a detection device. The back of the baffle gate contacts the front of the pipe body, the surface of the sealing block contacts the inner wall of the pipe body, the front of the sealing block is fixedly connected to the back of the baffle gate, the electric telescopic rod is fixedly installed around the perimeter of the pipe body surface, and the detection device is fixedly installed on the front of the baffle gate. The plug-in assembly includes a fixing block, which is fixedly installed around the surface of the baffle door. A plug is inserted into the inner wall of the fixing block, and the output end of the electric telescopic rod is fixedly connected to the back of the plug. A fixing mechanism is provided on the opposite outer sides of the four fixing blocks.

[0007] In a preferred embodiment of this utility model, the fixing mechanism includes a sliding groove, which is formed on the outer sides of four fixing blocks. A sliding rod is connected to the inner wall of the sliding groove. A support block is fixedly installed on the outer side of the sliding rod. A tension spring is fixed on the inner side of the support block. The other end of the tension spring is fixedly connected to the outer side of the fixing block. The sliding rod is inserted into the plug. An unlocking component is movably connected to the front of the support block via a pivot pin. A stabilizing component is formed on the back of the support block.

[0008] As a preferred embodiment of this utility model, the unlocking component includes a movable rod, one end of which is movably connected to the front of the support block via a pivot pin. A circular ring is provided on the front of the baffle door, and the other end of the movable rod is movably connected to the periphery of the circular ring via a pivot pin.

[0009] In a preferred embodiment of this invention, the stabilizing component includes a groove formed on the back of the support block, and a straight plate is slidably connected to the inner wall of the groove. The inner side of the straight plate is fixedly connected to the rear side of the outer side of the fixing block.

[0010] As a preferred embodiment of this utility model, force-applying plates are fixedly connected to all four sides of the surface of the baffle door.

[0011] As a preferred embodiment of this utility model, a limiting telescopic rod is fixedly connected to the front of the force-applying plate, and the other end of the limiting telescopic rod is fixedly connected to the four corners of the back of the ring.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model, by setting up a plug-in component, allows for easy disassembly and installation between the baffle door and the electric telescopic rod when the user needs to easily disassemble and install them. Utilizing the plug-in characteristics of the component, a simple plug-in connection between the baffle door and the electric telescopic rod is achieved. This solves the problem that the opening and closing of the baffle door and the pipe body is mainly achieved through the electric telescopic rod, thus preventing the baffle door from being removed from the front of the pipe body. However, since flue gas is mainly formed through combustion or volatilization, there will inevitably be ash and other particulate matter present, requiring cleaning of the inside of the pipe body. In this case, the baffle door would seriously interfere with the cleaning work, thus achieving the effect of easy disassembly and installation.

[0013] 2. This utility model achieves the purpose of easy disassembly and assembly by utilizing the plug-in characteristics of the plug-in component when the user needs to easily disassemble and install the baffle door and the electric telescopic rod. When connected, the fixing mechanism stabilizes the plug-in connection of the plug-in component.

[0014] 3. In this utility model, when the four support blocks are pushed by the movable rod, the stabilizing component moves in conjunction with them, thus making the movement of the support blocks smoother and more stable. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram of the present invention from another perspective; Figure 3 This is an exploded structural diagram of the door blocking mechanism of this utility model.

[0016] In the diagram: 1. Gate structure; 11. Pipe body; 12. Gate baffle; 13. Sealing block; 14. Electric telescopic rod; 15. Detection device; 2. Insertion assembly; 21. Fixing block; 22. Insertion block; 3. Fixing mechanism; 31. Slide groove; 32. Slide rod; 33. Support block; 34. Tension spring; 4. Unlocking assembly; 41. Live rod; 42. Ring; 5. Stabilizing assembly; 51. Groove; 52. Straight plate; 6. Force plate; 7. Limiting telescopic rod. Detailed Implementation

[0017] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0018] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0019] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0020] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0021] Example 1

[0022] Reference Figure 1-3 This is the first embodiment of the present invention, providing a special baffle gate 12 for flue gas denitrification, including a baffle structure 1. The baffle structure 1 includes a pipe body 11, a baffle gate 12, a sealing block 13, an electric telescopic rod 14, and a detection device 15. The back of the baffle gate 12 contacts the front of the pipe body 11, the surface of the sealing block 13 contacts the inner wall of the pipe body 11, the front of the sealing block 13 is fixedly connected to the back of the baffle gate 12, the electric telescopic rod 14 is fixedly installed around the surface of the pipe body 11, and the detection device 15 is fixedly installed on the front of the baffle gate 12. The plug-in assembly 2 includes a fixing block 21, which is fixedly installed around the surface of the baffle door 12. A plug-in block 22 is inserted into the inner wall of the fixing block 21, and the output end of the electric telescopic rod 14 is fixedly connected to the back of the plug-in block 22. The fixing mechanism 3 is located on the opposite outer sides of the four fixing blocks 21. The fixing mechanism 3 includes a slide groove 31, which is located on the opposite outer sides of the four fixing blocks 21. A slide rod 32 is connected to the inner wall of the slide groove 31. A support block 33 is fixedly installed on the outer side of the slide rod 32. A tension spring 34 is fixedly installed on the inner side of the support block 33. The other end of the tension spring 34 is fixedly connected to the outer side of the fixing block 21. The slide rod 32 is inserted into the insertion block 22. An unlocking mechanism is movably connected to the front of the support block 33 via a pivot pin. Component 4, the back of the support block 33 is provided with a stabilizing component 5, the unlocking component 4 includes a movable rod 41, one end of the movable rod 41 is movably connected to the front of the support block 33 through a shaft pin, the front of the baffle door 12 is provided with a ring 42, the other end of the movable rod 41 is movably connected to the four sides of the surface of the ring 42 through a shaft pin, and force plates 6 are fixedly connected to the four sides of the surface of the baffle door 12. The front of the force plate 6 is fixedly connected with a limiting telescopic rod 7, and the other end of the limiting telescopic rod 7 is fixedly connected to the four corners of the back of the ring 42.

[0023] Specifically, when the user needs to easily disassemble and install the baffle door 12 and the electric telescopic rod 14, the plug-in and plug-out characteristics of the plug-in and plug-out component 2 are used to achieve the purpose of easy disassembly and assembly. When connected, the fixing mechanism 3 stabilizes the plug-in and plug-out component 2.

[0024] Furthermore, when the user needs to establish a connection between the baffle door 12 and the electric telescopic rod 14, they hold the baffle door 12 and bring it closer to the tube body 11, so that the insert block 22 on the electric telescopic rod 14 is inserted into the fixing block 21 on the baffle door 12. As the insert block 22 is inserted into the fixing block 21, the inclined surface of the insert block 22 will press against the slide rod 32, causing the slide rod 32 to move outward along the track of the slide groove 31, and driving the support block 33 to move. This causes the tension spring 34 to be stretched and generate a rebound force. Then, when the insert block 22 is fully inserted into the fixing block 21, the slide rod 32 can be smoothly inserted into the insert block 22 under the action of the rebound force of the tension spring 34. Thus, the slider can be stably inserted into the fixing block 21, and finally the electric telescopic rod 14 can stably push the baffle door 12 to move, so that the baffle door 12 and the tube body 11 can be connected. After the opening and closing operation is completed, when the baffle door 12 needs to be disconnected from the electric telescopic rod 14, the user first hooks some of their fingers onto the force plate 6, and uses the base provided by the force plate 6 to push the ring 42 with their thumb. Then the movable rod 41 between the fixed block 21 and the ring 42 rotates. Then, through the rotation of the movable rod 41, the four support blocks 33 are pushed to move outward symmetrically. At this time, as the ring 42 moves, the limiting telescopic rod 7 also moves in a telescopic motion, thus making the movement of the ring 42 horizontally constrained. Consequently, the four support blocks 33 move outward symmetrically and uniformly, pulling the slide rod 32 out of the insert block 22. At this point, the insert block 22 can be disconnected from the fixed block 21, realizing the separation of the baffle door 12 from the electric telescopic rod 14, so that the user can clean the ash or other impurities inside the tube body 11.

[0025] Example 2

[0026] In the second embodiment of this utility model, the stabilizing component 5 includes a groove 51, which is formed on the back of the support block 33. A straight plate 52 is slidably connected to the inner wall of the groove 51, and the inner side of the straight plate 52 is fixedly connected to the rear side of the outer side of the fixing block 21.

[0027] Specifically, when the four support blocks 33 are pushed by the movable rod 41, the stabilizing component 5 moves in conjunction with them, thus making the movement of the support blocks 33 smoother and more stable.

[0028] Furthermore, when the support block 33 moves under the action of the tension spring 34 or the unlocking component 4, the groove 51 slides along the surface of the straight plate 52. The straight plate 52 limits the contact with the groove 51, constraining the support block 33 to only translate in a preset direction, thereby causing the ring 42 to push the movable rod 41, causing the movable rod 41 to rotate, making the movement of the support plate smoother and more stable.

[0029] Example 3

[0030] Working principle: When the user needs to easily disassemble and install the baffle door 12 and the electric telescopic rod 14, during installation, hold the baffle door 12 and bring it close to the tube body 11 so that the insert block 22 on the electric telescopic rod 14 is inserted into the fixing block 21 on the baffle door 12. As the insert block 22 is inserted into the fixing block 21, the inclined surface of the insert block 22 will press against the slide rod 32, causing the slide rod 32 to move outward along the track of the slide groove 31, and driving the support block 33 to move. This causes the tension spring 34 to be stretched and generate a rebound force, and then when the insert block... When the slider 22 is fully inserted into the fixing block 21, the slide bar 32, under the action of the spring 34, can smoothly insert into the insert block 22, thus allowing the slider to be firmly inserted into the fixing block 21. Finally, the electric telescopic rod 14 can stably push the baffle door 12 to move, enabling the baffle door 12 and the tube body 11 to open and close. Afterwards, when the baffle door 12 needs to be disconnected from the electric telescopic rod 14, the user first hooks some of their fingers onto the force plate 6, and using the base provided by the force plate 6, pushes the ring 42 with their thumb, thereby fixing the block 21 and the ring 42. The movable rod 41 between the rings 42 rotates, which in turn pushes the four support blocks 33 to move outward symmetrically. At this time, as the rings 42 move, the limiting telescopic rod 7 also extends and retracts, thus horizontally constraining the movement of the rings 42. Consequently, the four support blocks 33 move outward symmetrically and uniformly. Simultaneously, as the support blocks 33 move, the groove 51 slides along the surface of the straight plate 52. The straight plate 52, through contact with the groove 51, limits the movement of the support blocks 33, restricting them to only translate in a preset direction, thus allowing the support blocks 33 to move smoothly. If the slide is stable, pull the slide rod 32 out of the insert block 22. At this point, the insert block 22 can be disengaged from the fixed block 21, realizing the separation of the baffle door 12 and the electric telescopic rod 14, so that the user can clean the ash or other impurities inside the pipe body 11. Then (the specific working principle of the baffle structure 1 can be seen from the utility model of a baffle door 12 for flue gas desulfurization and denitrification in the authorized application number CN202222028228.4, which is a mature existing technology, and will not be elaborated here), thus having the advantage of easy disassembly and assembly.

[0031] In summary, this flue gas denitrification baffle, by incorporating a plug-in assembly 2, allows for easy disassembly and installation between the baffle 12 and the electric telescopic rod 14 when the user requires such a connection. This solves the problem that the opening and closing of the baffle and the pipe body is primarily achieved through the electric telescopic rod, meaning the baffle cannot be removed from the front of the pipe. However, since flue gas is mainly formed through combustion or volatilization, ash and other particulate matter are inevitably present, requiring cleaning of the inside of the pipe. In such cases, the baffle would severely interfere with the cleaning process.

[0032] It should be noted that (motor, cylinder, screw, gear, worm gear, electric telescopic rod, damper, spring) are existing devices or equipment, or devices or equipment that can be implemented by existing technology. The power supply, connection method, usage method, power source, fixing method, installation method, control method, etc. of the equipment, as well as the materials of each accessory and the selection of various parameters are all common knowledge in the art, and therefore will not be described in detail in this application document.

[0033] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0034] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0035] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0036] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A special baffle gate for flue gas denitrification, characterized in that: The system includes a gate structure (1), which comprises a pipe body (11), a gate (12), a sealing block (13), an electric telescopic rod (14), and a detection device (15). The back of the gate (12) contacts the front of the pipe body (11), the surface of the sealing block (13) contacts the inner wall of the pipe body (11), the front of the sealing block (13) is fixedly connected to the back of the gate (12), the electric telescopic rod (14) is fixedly installed around the surface of the pipe body (11), and the detection device (15) is fixedly installed on the front of the gate (12). The plug-in assembly (2) includes a fixing block (21), which is fixedly installed around the surface of the baffle door (12). A plug (22) is inserted into the inner wall of the fixing block (21), and the output end of the electric telescopic rod (14) is fixedly connected to the back of the plug (22). The fixing mechanism (3) is located on the opposite outer sides of the four fixing blocks (21).

2. The special baffle gate for flue gas denitrification according to claim 1, characterized in that: The fixing mechanism (3) includes a slide groove (31), which is opened on the opposite outer side of the four fixing blocks (21). The inner wall of the slide groove (31) is connected to a slide rod (32). A support block (33) is fixedly installed on the outer side of the slide rod (32). A tension spring (34) is fixed on the inner side of the support block (33). The other end of the tension spring (34) is fixedly connected to the outer side of the fixing block (21). The slide rod (32) is inserted into the plug (22). An unlocking component (4) is movably connected to the front of the support block (33) through a shaft pin. A stabilizing component (5) is opened on the back of the support block (33).

3. The special baffle gate for flue gas denitrification according to claim 2, characterized in that: The unlocking component (4) includes a movable rod (41), one end of which is movably connected to the front of the support block (33) via a pin. The front of the baffle door (12) is provided with a ring (42), and the other end of the movable rod (41) is movably connected to the periphery of the surface of the ring (42) via a pin.

4. The special baffle gate for flue gas denitrification according to claim 2, characterized in that: The stabilizing component (5) includes a groove (51) which is formed on the back of the support block (33). A straight plate (52) is slidably connected to the inner wall of the groove (51). The inner side of the straight plate (52) is fixedly connected to the rear side of the outer side of the fixing block (21).

5. A special baffle gate for flue gas denitrification according to claim 3, characterized in that: Force plates (6) are fixedly connected to all four sides of the surface of the baffle door (12).

6. A special baffle gate for flue gas denitrification according to claim 5, characterized in that: The front of the force-applying plate (6) is fixedly connected to a limiting telescopic rod (7), and the other end of the limiting telescopic rod (7) is fixedly connected to the four corners of the back of the ring (42).

Citation Information

Patent Citations

  • Baffle door for flue gas desulfurization and denitrification

    CN218511487U