A general detection device for boiler soot sampling gun

Abstract

The utility model discloses a kind of boiler smoke dust sampling gun general detection device, the detection device includes tripod, adjusting support arm is provided on the tripod, adjusting support arm is provided with support plate on;The support plate includes the first support plate and the second support plate supported in the sampling gun both sides, the side of the first support plate is provided with the plugging assembly that can be inserted into boiler flange, the plugging assembly includes upper plugging piece and lower plugging piece, after the interlocking of upper plugging piece and lower plugging piece, inside forms the cavity that can be inserted into sampling gun by plugging assembly.The utility model relates to the technical field of flue gas detection, plugging assembly can effectively fill and close the gap between sampling gun and boiler flange, greatly improve the sealing performance, avoid the leakage of flue gas in the process of collection.Make sampling gun be in central position, ensure that the included angle of sampling nozzle axis and airflow streamline is less than 5 °, guarantee the accuracy and reliability of sampling result.

Description

Technical Field

[0001] This utility model relates to the field of flue gas detection technology, specifically a universal detection device for boiler flue dust sampling guns. Background Technology

[0002] Currently, boiler flue gas sampling mainly relies on manual handling of the sampling gun. This method has several problems. First, due to the instability of manual operation, the sampling head often fails to align with the airflow direction, directly affecting the accuracy of the sampling results. Second, the instability of manually holding the sampling gun can lead to sampling position deviations, resulting in distorted sampling data. Furthermore, shaking and tilting of the sampling gun during manual operation are unavoidable problems; these uncertainties all negatively impact the flue gas sampling results.

[0003] To address these issues, existing technologies have introduced support frames to stabilize the sampling gun, mitigating instability caused by manual handling. While these support frames improve the stability of the sampling gun to some extent, they still have some drawbacks in practical use. When the sampling gun is inserted into the boiler flange, a significant gap remains between it and the flange. In this situation, operators typically use discarded woven bags or felt to seal this gap to prevent flue gas leakage during collection. However, this sealing method has significant shortcomings. First, the seal is poor, failing to completely prevent flue gas leakage and thus affecting the accuracy of the sampling results. Second, after filling with these materials, it is difficult to ensure the sampling head is centered, often resulting in an angle greater than 5° between the sampling nozzle axis and the airflow streamline, violating the requirements of the "Boiler Flue Dust Test Method" (GB5468-91), further impacting the reliability of the flue dust sampling results. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a universal detection device for boiler flue gas sampling guns, which solves the problems of easy leakage of flue gas and difficulty in centering the sampling gun during the sampling process.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a universal detection device for boiler flue dust sampling gun, comprising a sampling gun inserted into a boiler flange, the detection device comprising a tripod, an adjustable support arm provided on the tripod, and a support plate provided on the adjustable support arm;

[0006] The tray includes a first tray and a second tray supporting the sampling gun on both sides. A sealing assembly that can be inserted into the boiler flange is provided on one side of the first tray. The sealing assembly includes an upper sealing member and a lower sealing member. After the upper sealing member and the lower sealing member are interlocked, an inner cavity is formed that allows the sampling gun to be inserted.

[0007] Preferably, both the upper and lower sealing components include a support frame, and the upper and lower surfaces of the support frame are provided with sealing elements, which respectively abut against the inner wall of the boiler flange and the outer wall of the sampling gun.

[0008] Preferably, the cross-sections of the two supporting skeletons are both semi-circular, and they interlock to form a circular cavity.

[0009] Preferably, the sealing element includes an outer sealing sleeve fixed to the outer wall of the support frame.

[0010] Preferably, the front end of the outer sealing sleeve is formed with a bevel.

[0011] Preferably, after the two support frames are fastened together, a sealing ring is tightened on the outer side of the outer sealing sleeve.

[0012] Preferably, the sealing element further includes an inner sealing sleeve fixed to the inner wall of the support frame.

[0013] Preferably, the bottom of the upper support frame has a locking protrusion, and the top of the lower support frame has a locking groove. When the two support frames are engaged, the locking protrusion is embedded in the locking groove.

[0014] Preferably, the upper and lower sealing components further include an upper semi-circular flange and a lower semi-circular flange, with the lower semi-circular flange located below being fixed to the first support plate; the upper and lower semi-circular flanges can form an integral flange and be assembled on the boiler flange.

[0015] Preferably, the adjustable support arm includes a telescopic adjusting rod mounted on a tripod, with a first side support rod and a second side support rod hinged to the top two sides of the telescopic adjusting rod, and a connecting beam connecting the first side support rod and the second side support rod; the tops of the first side support rod and the second side support rod are respectively connected to a first support plate and a second support plate.

[0016] The beneficial effects of this utility model are as follows: Compared with the prior art, the universal detection device for boiler flue dust sampling gun provided by this utility model has the following technical effects:

[0017] 1. By setting up a first support plate and a second support plate on both sides of the sampling gun, a stable support is provided for the sampling gun. This effectively prevents the sampling gun from moving or tilting due to external forces during operation, thereby ensuring the accuracy of the sampling process.

[0018] 2. A sealing component that can be inserted into the boiler flange is provided on one side of the first tray. This effectively fills and seals the gap between the sampling gun and the boiler flange, greatly improving the sealing performance and preventing the leakage of flue gas during the sampling process. Furthermore, it centers the sampling gun, ensuring that the angle between the sampling nozzle axis and the airflow streamline is less than 5°, thereby guaranteeing the accuracy and reliability of the sampling results.

[0019] 3. The sealing assembly is designed with detachable upper and lower sealing components. This design allows operators to quickly and easily assemble and disassemble the components, improving work efficiency. The sealing assembly is mounted on the boiler flange using a flange, ensuring the entire assembly is stably fixed to the boiler and further enhancing the stability of the equipment. Attached Figure Description

[0020] Figure 1 This is a front view of the detection device of this utility model;

[0021] Figure 2 This is a schematic diagram of the sealing assembly structure of this utility model;

[0022] Figure 3 This is a diagram showing the upper and lower flanges of this utility model after disassembly.

[0023] Figure 4 This is a diagram showing the state of the upper and lower flanges of this utility model after they are closed.

[0024] Figure 5 This diagram shows the usage state of the detection device of this utility model when inserted into the detection flange.

[0025] Explanation of reference numerals in the figure

[0026] 1. Tripod; 2. Telescopic adjustment rod; 3. First side support rod; 4. Connecting beam; 5. Second side support rod; 6. First support plate; 7. Second support plate; 8. Upper semi-circular flange; 9. Lower semi-circular flange; 10. Cavity; 11. Outer sealing sleeve; 12. Inclined surface; 13. Support frame; 14. Inner sealing sleeve; 15. Sealing ring; 16. Groove; 17. Protrusion; 18. Boiler flange. Detailed Implementation

[0027] To better explain and facilitate understanding of the present invention, a detailed description of the invention is provided below with reference to the accompanying drawings and specific embodiments. This utility model discloses a universal detection device for boiler flue dust sampling guns. The detection device includes a tripod with an adjustable support arm, and a support plate on the adjustable support arm. The support plate includes a first support plate and a second support plate supporting both sides of the sampling gun. A sealing component that can be inserted into a boiler flange is provided on one side of the first support plate. The sealing component effectively fills and seals the gap between the sampling gun and the boiler flange, greatly improving the sealing performance. Furthermore, it keeps the sampling gun in a centered position, ensuring that the angle between the sampling nozzle axis and the airflow streamline is less than 5°, thereby guaranteeing the accuracy and reliability of the sampling results.

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Various changes can be made to the implementation scheme as long as the effects of the present invention can be achieved.

[0029] Those skilled in the art can connect the components in this case sequentially. The specific connection and operation sequence should refer to the working principle described below. The detailed connection methods are well-known technologies in the field. The working principle and process are mainly described below.

[0030] like Figures 1 to 5 As shown in the embodiment of this application, a universal detection device for boiler flue dust sampling gun is proposed, including a sampling gun inserted into the boiler flange 18.

[0031] In this embodiment, the detection device includes a tripod 1 with an adjustable support arm and a support plate. The support plate includes a first support plate 6 and a second support plate 7 supporting both sides of the sampling gun. During use, the sampling gun is placed on the two support plates (first support plate 6 and second support plate 7), and then the position of the tripod 1 is adjusted so that the sampling end of the sampling gun can be inserted into the boiler flange 18 for flue gas extraction and detection. The support plates on both sides of the sampling gun provide stable support, preventing the sampling gun from moving or tilting due to external forces during operation, thus ensuring the accuracy of the sampling process. Furthermore, the sampling gun can be finely adjusted horizontally, allowing the user to adjust the sampling gun according to the specific position of the boiler flange, ensuring that the sampling end of the sampling gun can be accurately inserted into the flange.

[0032] In this embodiment, as Figure 1As shown, the adjustable support arm includes a telescopic adjusting rod 2 mounted on the tripod 1. The telescopic adjusting rod 2 is a two-section telescopic rod body with a wrench lock that can be manually adjusted. A first side support rod 3 and a second side support rod 5 are hinged to the top two sides of the telescopic adjusting rod 2. The tops of the first side support rod 3 and the second side support rod 5 are respectively connected to a first support plate 6 and a second support plate 7. Furthermore, a connecting beam 4 connects the first side support rod 3 and the second side support rod 5. The connecting beam 4 is a linkage structure, including a first connecting rod and a second connecting rod hinged at one end, and the other ends of the first connecting rod and the second connecting rod are hinged to the first side support rod 3 and the second side support rod 5. This mainly limits the opening angle of the first side support rod 3 and the second side support rod 5. At the maximum opening angle, the first support plate 6 and the second support plate 7 are located on both sides of the sampling gun.

[0033] Preferably, one side of the first tray 6 is provided with a sealing assembly that can be inserted into the boiler flange 18 to fill and seal the gap between the sampling gun and the boiler flange 18. Specifically, as follows... Figure 2 As shown: The sealing assembly includes an upper sealing member and a lower sealing member. After the upper and lower sealing members are interlocked, an inner cavity 10 is formed for the sampling gun to be inserted. In use, the rod of the sampling gun overlaps the lower sealing member, and then the upper sealing member is fastened onto the lower sealing member and wraps around the rod of the sampling gun, thereby forming a complete circumferential wrap around the rod of the sampling gun. After being inserted into the boiler flange 18, it forms a seal between the sampling gun and the boiler flange 18.

[0034] Specifically, both the upper and lower sealing components include a support frame 13, with each support frame 13 having a semi-circular cross-section. When interlocked, they form a circular cavity 10. Furthermore, both the upper and lower sealing components include an upper semi-circular flange 8 and a lower semi-circular flange 9. The lower semi-circular flange 9 is fixed to the first support plate 6. In use, the upper and lower semi-circular flanges 8 and 9 can form a single flange and be bolted to the boiler flange 18, ensuring the entire sealing assembly is stably fixed to the boiler. This improves equipment stability and prevents displacement of the sealing assembly, which could lead to direct leakage of boiler flue gas to the outside.

[0035] Preferably, the upper and lower surfaces of the support frame 13 are provided with sealing elements. The sealing elements abut against the inner wall of the boiler flange 18 and the outer wall of the sampling gun, respectively. The sealing elements improve the filling effect of the gaps and effectively prevent flue gas from leaking out.

[0036] For example, the seal includes an outer sealing sleeve 11 fixed to the outer wall of the support frame 13, and an inner sealing sleeve 14 fixed to the inner wall of the support frame 13. The outer sealing sleeve 11 and the inner sealing sleeve 14 are made of rubber.

[0037] In addition, after the two support frames 13 are fastened together, the outer sealing sleeve 11 is tightened with a sealing ring 15, so that the upper sealing part and the lower sealing part are tightened together. At the same time, after the integral flange formed by the upper semi-circular flange 8 and the lower semi-circular flange 9 is assembled on the boiler flange 18, the sealing ring 15 is also squeezed between the integral flange and the boiler flange 18 to form an outer seal.

[0038] Furthermore, a bevel 12 is formed at the front end of the outer sealing sleeve 11. The bevel 12 is arranged in an annular shape, so that after the upper and lower sealing parts are tightened together, the front end can have a smaller diameter, making it easier to insert into the boiler flange 18.

[0039] For example, the upper support frame 13 has a locking protrusion 17 at its bottom, and the lower support frame 13 has a locking groove 16 at its top. When the two support frames 13 are engaged, the locking protrusion 17 is inserted into the locking groove 16. The design of the locking groove 16 and the locking protrusion 17 prevents the upper and lower sealing components from sliding parallel to each other, ensuring that they cannot move radially after being engaged. It should be noted here that, as Figure 3 As shown, the inner sealing sleeve 14 is flush with the slot 16 and the protrusion 17 to prevent the two support frames 13 from protruding after they are fastened together, which would cause gaps.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A universal detection device for boiler flue dust sampling gun, comprising a sampling gun inserted into a boiler flange, characterized in that, The detection device includes a tripod, on which an adjustable support arm is provided, and on which a support plate is provided; The tray includes a first tray and a second tray supporting the sampling gun on both sides. A sealing assembly that can be inserted into the boiler flange is provided on one side of the first tray. The sealing assembly includes an upper sealing member and a lower sealing member. After the upper sealing member and the lower sealing member are interlocked, an inner cavity is formed that allows the sampling gun to be inserted.

2. The universal detection device for boiler flue dust sampling gun according to claim 1, characterized in that: Both the upper and lower sealing components include a support frame, and sealing elements are provided on the upper and lower surfaces of the support frame. The sealing elements respectively abut against the inner wall of the boiler flange and the outer wall of the sampling gun.

3. The universal detection device for boiler flue dust sampling gun according to claim 2, characterized in that: Both of the supporting skeletons have semi-circular cross-sections, and when they are interlocked, they form a circular cavity.

4. The universal detection device for boiler flue dust sampling gun according to claim 2, characterized in that: The sealing element includes an outer sealing sleeve fixed to the outer wall of the support frame.

5. The universal detection device for boiler flue dust sampling gun according to claim 4, characterized in that: The front end of the outer sealing sleeve is formed with a bevel.

6. The universal detection device for boiler flue dust sampling gun according to claim 4, characterized in that: After the two support frames are fastened together, a sealing ring is tightened on the outer side of the outer sealing sleeve.

7. The universal detection device for boiler flue dust sampling gun according to claim 2, characterized in that: The sealing element also includes an inner sealing sleeve fixed to the inner wall of the support frame.

8. The universal detection device for boiler flue dust sampling gun according to claim 2, characterized in that: The upper support frame has a locking protrusion at its bottom and a locking groove at its top. When the two support frames are engaged, the locking protrusion is inserted into the locking groove.

9. The universal detection device for boiler flue dust sampling gun according to claim 2, characterized in that: The upper and lower sealing components also include an upper semi-circular flange and a lower semi-circular flange, with the lower semi-circular flange located below being fixed to the first support plate; the upper and lower semi-circular flanges can form an integral flange and be assembled on the boiler flange.

10. The universal detection device for boiler flue dust sampling gun according to claim 1, characterized in that: The adjustable support arm includes a telescopic adjusting rod mounted on a tripod. A first side support rod and a second side support rod are hinged to the top two sides of the telescopic adjusting rod, and a connecting beam connects the first side support rod and the second side support rod. The tops of the first side support rod and the second side support rod are respectively connected to the first support plate and the second support plate.

Images