Boiler flue gas sampling gun with sealing and fixing structure

Abstract

The utility model discloses a boiler flue gas sampling gun with a sealing and fixing structure, which comprises a tripod and a supporting disc, the supporting disc is arranged outside the tripod, a top plate is mounted at the top end of the supporting disc, a turnover plate is arranged outside the top plate, a gun body is mounted at the top end of the turnover plate, and a sealing cover is mounted at the top end of the gun body. And a gun barrel is mounted on the side wall of the gun body. According to the boiler flue gas sampling gun, flue gas in a boiler can be conveniently collected by the boiler flue gas sampling gun, so that the flue gas in the boiler is prevented from overflowing outwards or external air is prevented from entering the boiler, and the accuracy of collecting data of the flue gas in the boiler by the boiler flue gas sampling gun is improved; according to the boiler flue gas sampling gun, the convenient moving angle of the boiler flue gas sampling gun is matched with the side wall of the boiler, the convenience of matching the moving angle of the boiler flue gas sampling gun with the side wall of the boiler is improved, the convenient moving position height adjustment of the boiler flue gas sampling gun is realized, and the convenience of adjusting the height of the moving position of the boiler flue gas sampling gun is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of boiler flue gas sampling guns, specifically a boiler flue gas sampling gun with a sealed and fixed structure. Background Technology

[0002] A boiler flue gas sampling gun is a device used to collect particulate matter and gaseous pollutants in boiler emissions. It is mainly used for environmental monitoring to ensure that boiler emissions meet environmental standards. A boiler flue gas sampling gun typically includes a sampling gun body, a filter cartridge, a flow meter, and other components. It can measure flue gas velocity, temperature, and particulate matter concentration. Boiler flue gas sampling guns are widely used in environmental protection, chemical, bio-industry, energy and other fields, and play an important role, especially in environmental monitoring, to ensure that emissions meet national environmental standards.

[0003] As disclosed in the authorization announcement number CN214224684U, a boiler flue gas sampling gun with sealing and fixing function includes a flue gas sampling gun, a sealing device, a gasket, and a supporting device. The sealing device is located at the front of the flue gas sampling gun, the gasket is located on the front end face of the sealing device, and the supporting device is located at the rear of the flue gas sampling gun. The sealing device includes a left sealing block, a right sealing block, a hinge, a snap fastener, and two U-shaped fixing clips. The right side face of the left sealing block and the left side face of the right sealing block are arranged vertically side by side. The opposite sides are respectively provided with semi-circular sampling gun fixing holes of the same diameter. The top surfaces of the left sealing block and the right sealing block are connected by a hinge, and the bottom surfaces are connected by a snap fastener. The two U-shaped fixing clips are respectively located at the upper and lower parts of the left sealing block and the right sealing block.

[0004] Although it can prevent external air and other impurities from entering the flue during sampling, thus improving the accuracy of monitoring data, the sealing device is fixed by a snap fastener and can be opened and adjusted in real time to adapt to the position and length of the flue gas sampling gun. It is equipped with heat insulation pads to effectively prevent the sealing device from being burned by the high temperature of the boiler. It can support the flue gas sampling gun during the sampling process, and its height is adjustable to adapt to sampling operations at different heights, effectively reducing the labor intensity of monitoring personnel and improving the monitoring efficiency of boiler flue gas.

[0005] However, the existing boiler flue gas sampling guns do not solve the problem that they are generally not conducive to convenient sampling of flue gas inside the boiler. Flue gas may overflow from inside the boiler or outside air may enter, affecting the accuracy of the flue gas sampling data. Furthermore, they hinder the easy adaptation of the sampling gun's movement angle to the boiler sidewall, and make height adjustment difficult, thus severely impacting the convenience and safety of using the boiler flue gas sampling gun and causing significant inconvenience for users. Utility Model Content

[0006] The purpose of this utility model is to provide a boiler flue gas sampling gun with a sealed and fixed structure to solve the problems mentioned in the background art, such as the inconvenience of boiler flue gas sampling guns in conveniently collecting flue gas inside the boiler, the possibility of flue gas overflowing from inside the boiler or external air entering, affecting the accuracy of the flue gas data collected by the boiler flue gas sampling gun, the inconvenience of easily adapting the boiler flue gas sampling gun's movement angle to the boiler side wall, and the inconvenience of easily adjusting the height of the boiler flue gas sampling gun's movement position.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a boiler flue gas sampling gun with a sealed and fixed structure, comprising a tripod and a support plate. The support plate is disposed on the outside of the tripod, a top plate is mounted on the top of the support plate, a flip plate is disposed on the outside of the top plate, a gun body is mounted on the top of the flip plate, a gun barrel is mounted on the side wall of the gun body, a disc is fitted onto the surface of the gun barrel, a sponge is disposed on the outside of the disc, a movable sleeve is slidably mounted on the side of the gun barrel away from the disc, and a fixed plate is fixedly mounted on the side of the gun barrel away from the movable sleeve. A space is provided between the fixed plate and the movable sleeve. The movable sleeve is equipped with a spring. Three sets of rotating shafts are movably mounted on the side wall of the movable sleeve at equal intervals. Threaded holes are provided on the side wall of the movable sleeve between two sets of rotating shafts. Bolts are provided on the outside of the movable sleeve and are threadedly connected to the threaded holes. The bolts pass through the movable sleeve and the threaded holes and contact the gun barrel. Three sets of sliding grooves are provided on the side wall of the disc. Connecting arms are fitted on the surface of each rotating shaft. A support shaft is movably mounted on the side of the connecting arm away from the rotating shaft. A sliding block is fitted on the surface of the support shaft. The sliding block extends to the outside of the sliding grooves on the side wall of the disc. The end of the sliding block away from the disc is connected to a sponge.

[0008] Preferably, a first shaft is symmetrically and movably mounted on the top of the top plate, and a first electric push rod is fitted on the surface of each first shaft. A second shaft is movably mounted on the output end of each first electric push rod.

[0009] Preferably, the first electric push rod is movably connected to the flip plate via the second shaft, and a rotating shaft is movably installed on the side of the flip plate away from the second shaft. The flip plate is movably connected to the top plate via the rotating shaft.

[0010] Preferably, a support plate is installed inside the tripod, and a second electric push rod is installed inside the support plate, extending through the support plate to its exterior.

[0011] Preferably, the output end of the second electric push rod is equipped with a roller, and a telescopic cylinder is movably installed inside the top of the tripod.

[0012] Preferably, the telescopic cylinder extends through the tripod to its exterior, and a pin is movably mounted on the side wall of the telescopic cylinder.

[0013] Preferably, a telescopic column is slidably installed inside the telescopic cylinder, and the telescopic column is connected to the support plate.

[0014] Preferably, the surface of the telescopic column is provided with multiple sets of through holes at equal intervals, and the pin extends through the telescopic cylinder, the telescopic column, and the through holes to the outside of them.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the boiler flue gas sampling gun not only realizes the convenient collection of flue gas inside the boiler, avoiding the overflow of flue gas inside the boiler or the entry of external air, thus improving the accuracy of the flue gas sampling data collected by the boiler flue gas sampling gun, but also realizes the convenient adaptation of the boiler flue gas sampling gun to the boiler side wall, thus improving the convenience of adapting the boiler flue gas sampling gun to the boiler side wall, and also realizes the convenient adjustment of the height of the boiler flue gas sampling gun.

[0016] (1) Place the gun barrel inside the boiler, pull the movable sleeve, so that the movable sleeve drives the rotating shaft, connecting arm, and support shaft to move along the surface of the fixed plate. The support shaft drives the sliding block to slide in opposite directions inside the slide groove. Place the sponge on the surface of the sliding block, move the disc to the side wall of the boiler, release the movable sleeve, and under the elastic support of the spring, the movable sleeve resets. The movable sleeve drives the rotating shaft, connecting arm, and support shaft to move in the opposite direction. The support shaft drives the sliding block and sponge to slide in opposite directions, so that the sponge is stretched open and contacts the side wall of the boiler. Under the threaded connection between the bolt and the movable sleeve, the bolt is fixed by contacting the gun barrel through the movable sleeve. This facilitates the convenient collection of flue gas inside the boiler, realizes the convenient collection of flue gas inside the boiler by the boiler flue gas sampling gun, avoids the flue gas inside the boiler from overflowing outward or the outside air from entering, and improves the accuracy of the flue gas collection data inside the boiler by the boiler flue gas sampling gun.

[0017] (2) When the required rotation angle is adapted to the boiler side wall, the first electric push rod drives the second shaft to move. The second shaft drives the flip plate and the rotating shaft to rotate at a certain angle around the rotating shaft. This facilitates the convenient movement angle to be adapted to the boiler side wall, and realizes the convenient movement angle of the boiler flue gas sampling gun to be adapted to the boiler side wall, thus improving the convenience of adapting the movement angle of the boiler flue gas sampling gun to the boiler side wall.

[0018] (3) The second electric push rod drives the roller to move downward, so that the tripod is lifted off the ground. With the support of the roller, the tripod is moved to the designated area. When the height needs to be adjusted, the pin is pulled out and the telescopic column is slid to the designated height inside the telescopic cylinder. The pin is inserted into the inside of the telescopic cylinder and passes through the through hole to fix the telescopic column. This facilitates convenient movement and height adjustment, realizes convenient movement and height adjustment of the boiler flue gas sampling gun, and improves the convenience of movement and height adjustment of the boiler flue gas sampling gun. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a front view structural diagram of the present utility model;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the disk of this utility model;

[0022] Figure 4 This is a three-dimensional structural diagram of the movable sleeve of this utility model;

[0023] Figure 5 This is a three-dimensional structural diagram of the sliding block of this utility model;

[0024] Figure 6 This is a front view structural diagram of the flip plate of this utility model;

[0025] Figure 7 This is a three-dimensional structural diagram of the telescopic column of this utility model.

[0026] In the diagram: 1. Tripod; 2. Support plate; 3. Top plate; 4. Flip plate; 5. Gun body; 6. Gun barrel; 7. Disc; 8. Sponge; 9. Fixed plate; 10. Spring; 11. Movable sleeve; 12. Bolt; 13. Rotating shaft; 14. Connecting arm; 15. Support shaft; 16. Slide groove; 17. Sliding block; 18. First shaft; 19. First electric push rod; 20. Second shaft; 21. Rotating shaft; 22. Support plate; 23. Second electric push rod; 24. Roller; 25. Telescopic cylinder; 26. Telescopic column; 27. Through hole; 28. Pin; 29. ​​Threaded hole. Detailed Implementation

[0027] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0028] Please see Figure 1-7 This utility model provides an embodiment of a boiler flue gas sampling gun with a sealed and fixed structure, including a tripod 1 and a support plate 2. The support plate 2 is provided on the outside of the tripod 1, a top plate 3 is installed on the top of the support plate 2, a flip plate 4 is provided on the outside of the top plate 3, a gun body 5 is installed on the top of the flip plate 4, a gun barrel 6 is installed on the side wall of the gun body 5, a disc 7 is fitted on the surface of the gun barrel 6, a sponge 8 is provided on the outside of the disc 7, a movable sleeve 11 is slidably installed on the side of the gun barrel 6 away from the disc 7, a fixed plate 9 is fixedly installed on the side of the gun barrel 6 away from the movable sleeve 11, a spring 10 is provided between the fixed plate 9 and the movable sleeve 11, and the side wall of the movable sleeve 11 is... Three sets of rotating shafts 13 are equidistantly installed, and threaded holes 29 are provided on the side wall of the movable sleeve 11 between two sets of rotating shafts 13. Bolts 12 are provided on the outside of the movable sleeve 11, and bolts 12 are threadedly connected to threaded holes 29. Bolts 12 pass through the movable sleeve 11 and threaded holes 29 and contact the barrel 6. Three sets of sliding grooves 16 are provided on the side wall of the disc 7. Connecting arms 14 are fitted on the surface of each rotating shaft 13. A support shaft 15 is movably installed on the side of the connecting arm 14 away from the rotating shaft 13. A sliding block 17 is fitted on the surface of the support shaft 15. The sliding block 17 extends to the outside of the sliding groove 16 on the side wall of the disc 7. The end of the sliding block 17 away from the disc 7 is connected to the sponge 8.

[0029] When using a boiler flue gas sampling gun with a sealed and fixed structure, place the gun barrel 6 inside the boiler, pull the movable sleeve 11, causing the movable sleeve 11 to drive the rotating shaft 13, connecting arm 14, and support shaft 15 to move towards the surface of the fixed disk 9. The support shaft 15 drives the sliding block 17 to slide in opposite directions inside the slide groove 16. Place the sponge 8 on the surface of the sliding block 17, move the disk 7 to the side wall of the boiler, release the movable sleeve 11, and under the elastic support of the spring 10, the movable sleeve 11 returns to its original position. The movable sleeve 11 drives the rotating shaft 13, connecting arm 14, and support shaft 15 to move towards the surface of the fixed disk 9. The support shaft 15 moves in the opposite direction, causing the sliding block 17 and the sponge 8 to slide in opposite directions, thus opening the sponge 8 to contact the side wall of the boiler. With the threaded connection between the bolt 12 and the movable sleeve 11, the bolt 12 is fixed by contacting the gun barrel 6 through the movable sleeve 11, which facilitates the convenient collection of flue gas inside the boiler. This enables the boiler flue gas sampling gun to conveniently collect flue gas inside the boiler, avoiding the overflow of flue gas inside the boiler or the entry of external air, and improving the accuracy of the flue gas collection data inside the boiler by the boiler flue gas sampling gun.

[0030] The top of the top plate 3 is symmetrically and movably mounted with a first shaft 18, and the surface of the first shaft 18 is fitted with a first electric push rod 19. The output end of the first electric push rod 19 is movably mounted with a second shaft 20.

[0031] The first electric push rod 19 is movably connected to the flip plate 4 via the second shaft 20. A rotating shaft 21 is movably installed on the side of the flip plate 4 away from the second shaft 20. The flip plate 4 is movably connected to the top plate 3 via the rotating shaft 21.

[0032] When the angle needs to be adjusted to match the boiler sidewall, the two sets of first electric push rods 19 are opened. With the support of the first shaft 18, the first electric push rods 19 drive the second shaft 20 to move. With the support of the rotating shaft 21, the second shaft 20 drives the flip plate 4 and the rotating shaft 21 to rotate at a certain angle around the rotating shaft 21. This facilitates the convenient adjustment of the angle to match the boiler sidewall, and improves the convenience of adjusting the angle of the boiler flue gas sampling gun to match the boiler sidewall.

[0033] The tripod 1 has a support plate 22 installed inside, and a second electric push rod 23 is installed inside the support plate 22. The second electric push rod 23 extends through the support plate 22 to its outside.

[0034] The output end of the second electric push rod 23 is equipped with a roller 24. A telescopic cylinder 25 is movably installed inside the top of the tripod 1. The telescopic cylinder 25 extends through the tripod 1 to its outside. A pin 28 is movably installed on the side wall of the telescopic cylinder 25. A telescopic column 26 is slidably installed inside the telescopic cylinder 25. The telescopic column 26 is connected to the support plate 2.

[0035] The surface of the telescopic column 26 is provided with multiple sets of through holes 27 at equal intervals, and the pin 28 extends through the telescopic cylinder 25, the telescopic column 26, and the through holes 27 to the outside of them;

[0036] When the position needs to be moved, the three sets of second electric push rods 23 are opened. With the support of the support plate 22, the second electric push rods 23 drive the rollers 24 to move downward, so that the tripod 1 is lifted off the ground. With the support of the rollers 24, the tripod 1 is moved to the designated area. When the height needs to be adjusted, the pin 28 is pulled out, and the telescopic column 26 is slid inside the telescopic cylinder 25 to the designated height. The pin 28 is inserted into the telescopic cylinder 25 through the through hole 27 to fix the telescopic column 26. This facilitates convenient movement and height adjustment of the boiler flue gas sampling gun, and improves the convenience of moving and adjusting the height of the boiler flue gas sampling gun.

[0037] Working principle: When using a boiler flue gas sampling gun with a sealed and fixed structure, place the gun barrel 6 inside the boiler, pull the movable sleeve 11, causing the movable sleeve 11 to drive the rotating shaft 13, connecting arm 14, and support shaft 15 to move towards the surface of the fixed disk 9. The support shaft 15 drives the sliding block 17 to slide in opposite directions inside the slide groove 16. Place the sponge 8 on the surface of the sliding block 17, move the disk 7 to the side wall of the boiler, release the movable sleeve 11, and under the elastic support of the spring 10, the movable sleeve 11 returns to its original position. The movable sleeve 11 drives the rotating shaft 13, connecting arm 14, and support shaft 15 to move in the opposite direction. The support shaft 15 drives the sliding block 17 and sponge 8 to slide in opposite directions, spreading the sponge 8 to contact the side wall of the boiler. With the bolt 12 threadedly connected to the movable sleeve 11, the bolt 12 passes through the movable sleeve 11. The gun barrel 6 is fixed in contact with the tube. When the angle needs to be adjusted to match the boiler side wall, the first electric push rod 19 drives the second shaft 20 to move. With the support of the rotating shaft 21, the second shaft 20 drives the flip plate 4 and the rotating shaft 21 to rotate at a certain angle around the rotating shaft 21. When the position needs to be moved, the three sets of second electric push rods 23 are opened. The second electric push rods 23 drive the rollers 24 to move downward, so that the tripod 1 is lifted off the ground. With the support of the rollers 24, the tripod 1 is moved to the designated area. When the height needs to be adjusted, the pin 28 is pulled out, and the telescopic column 26 is slid inside the telescopic cylinder 25 to the designated height. The pin 28 is inserted into the telescopic cylinder 25 through the through hole 27 to fix the telescopic column 26. This facilitates convenient movement and height adjustment to complete the use of the boiler flue gas sampling gun.

[0038] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any indirect modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A boiler flue gas sampling gun with a sealed and fixed structure, characterized in that: The device includes a tripod (1) and a support plate (2). The tripod (1) is provided with a support plate (2) on its outside. A top plate (3) is installed on the top of the support plate (2). A flip plate (4) is provided on the outside of the top plate (3). A gun body (5) is installed on the top of the flip plate (4). A gun barrel (6) is installed on the side wall of the gun body (5). A disc (7) is fitted on the surface of the gun barrel (6). A sponge (8) is provided on the outside of the disc (7). A movable sleeve (11) is slidably installed on the side of the gun barrel (6) away from the disc (7). A fixed plate (9) is fixedly installed on the side of the gun barrel (6) away from the movable sleeve (11). A spring (10) is provided between the fixed plate (9) and the movable sleeve (11). Three sets of rotating shafts (11) with equal spacing are movably installed on the side wall of the movable sleeve (11). 3), and a threaded hole (29) is provided on the side wall of the movable sleeve (11) between the two sets of rotating shafts (13). A bolt (12) is provided on the outside of the movable sleeve (11). The bolt (12) is threadedly connected to the threaded hole (29). The bolt (12) passes through the movable sleeve (11), the threaded hole (29) and contacts the gun barrel (6). Three sets of sliding grooves (16) are provided on the side wall of the disc (7). A connecting arm (14) is fitted on the surface of the rotating shaft (13). A support shaft (15) is movably installed on the side of the connecting arm (14) away from the rotating shaft (13). A sliding block (17) is fitted on the surface of the support shaft (15). The sliding block (17) extends to the outside of the sliding groove (16) on the side wall of the disc (7). The end of the sliding block (17) away from the disc (7) is connected to the sponge (8).

2. A boiler flue gas sampling gun with a sealed and fixed structure according to claim 1, characterized in that: The top plate (3) is symmetrically and movably mounted with a first shaft (18), and the surface of the first shaft (18) is fitted with a first electric push rod (19), and the output end of the first electric push rod (19) is movably mounted with a second shaft (20).

3. A boiler flue gas sampling gun with a sealed and fixed structure according to claim 2, characterized in that: The first electric push rod (19) is movably connected to the flip plate (4) via the second shaft (20). The flip plate (4) is movably mounted with a rotating shaft (21) on the side away from the second shaft (20). The flip plate (4) is movably connected to the top plate (3) via the rotating shaft (21).

4. A boiler flue gas sampling gun with a sealed and fixed structure according to claim 1, characterized in that: The tripod (1) has a support plate (22) installed inside, and a second electric push rod (23) is installed inside the support plate (22). The second electric push rod (23) extends through the support plate (22) to the outside.

5. A boiler flue gas sampling gun with a sealed and fixed structure according to claim 4, characterized in that: The output end of the second electric push rod (23) is equipped with a roller (24), and the top of the tripod (1) is movably equipped with a telescopic cylinder (25).

6. A boiler flue gas sampling gun with a sealed and fixed structure according to claim 5, characterized in that: The telescopic cylinder (25) extends through the tripod (1) to its outside, and a pin (28) is movably installed on the side wall of the telescopic cylinder (25).

7. A boiler flue gas sampling gun with a sealed and fixed structure according to claim 6, characterized in that: The telescopic cylinder (25) has a telescopic column (26) slidably installed inside, and the telescopic column (26) is connected to the support plate (2).

8. A boiler flue gas sampling gun with a sealed and fixed structure according to claim 7, characterized in that: The surface of the telescopic column (26) is provided with multiple sets of through holes (27) at equal intervals, and the pin (28) extends through the telescopic cylinder (25), the telescopic column (26), and the through holes (27) to the outside.

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