Pollution source flue gas sampling pipe

Abstract

The utility model provides a pollution source flue gas sampling tube, which comprises a tube body, the tube body is sleeved with a sealing plug which can be inserted into a sampling port to block the sampling port, the tube body is provided with a clamping structure for clamping the sampling port, and after the clamping structure clamps the sampling port, the tube body is fixed on the sampling port. When the sampling opening is plugged, operation is convenient, the plugging effect of the sampling opening is good, and in the sampling process, workers do not need to lift and support the sampling pipe all the time, so that the whole sampling process is more labor-saving.

Description

TECHNICAL FIELD

[0001] The present application relates to pollution source flue gas sampling technology, and particularly relates to a pollution source flue gas sampling pipe. BACKGROUND

[0002] When sampling flue gas discharged by a pollution source, a sampling pipe is usually inserted into a flue gas discharge tower from a tubular sampling port, and a sampling head at the end of the sampling pipe is used to sample flue gas in the flue gas discharge tower.

[0003] However, after the sampling pipe is inserted into the flue gas discharge tower from the sampling port, a gap exists between the sampling pipe and the sampling port. In order to avoid external air from entering the flue gas discharge tower and affecting the sampling effect, a towel is usually used to block the gap, which is not only complicated to operate, but also has poor blocking effect. In addition, during sampling, a worker needs to hold the sampling gun all the time to support the sampling pipe, and the sampling time is usually long, so it is laborious to hold the sampling cavity for a long time. CONTENT OF THE UTILITY MODEL

[0004] The present application provides a pollution source flue gas sampling pipe to solve the problems of complicated operation, poor blocking effect of the sampling port, and laborious holding of the sampling gun by the worker during sampling.

[0005] The present application provides a pollution source flue gas sampling pipe, which comprises a pipe body, and a blocking plug capable of being inserted into a sampling port to block the sampling port is sleeved on the pipe body.

[0006] A clamping structure for clamping the sampling port is arranged on the pipe body.

[0007] After the clamping structure clamps the sampling port, the pipe body is fixed on the sampling port.

[0008] Optionally, the blocking plug comprises a plug body in a circular truncated cone structure, and a plurality of annular protrusions are sleeved on the circumferential outer wall of the plug body and are equidistantly distributed along the generatrix of the plug body.

[0009] The plug body and the annular protrusions are an integral structure, and the plug body and the annular protrusions are both made of elastic rubber material.

[0010] Optionally, a sleeve capable of moving axially along the pipe body is sleeved on the pipe body, and the sleeve can be locked after moving.

[0011] The plug body is sleeved and fixed on the sleeve, and the clamping structure is installed on the sleeve.

[0012] Optionally, an outer thread sleeve is arranged on the outer wall of the pipe body, an inner thread structure is arranged on the inner wall of the sleeve, and the sleeve is sleeved on the outer thread sleeve and is in threaded connection with the outer thread sleeve.

[0013] Optionally, one end of the sleeve is sleeved with a baffle, the other end of the sleeve is detachably fixed with a limiting plate, the baffle and the limiting plate can clamp and block the plug;

[0014] The plug sleeve is sleeved on the sleeve.

[0015] Optionally, the outer wall of the other end of the sleeve is provided with an external thread structure, the external thread structure penetrates the limiting plate and is threadedly connected with the limiting plate.

[0016] Optionally, the limiting plate is provided with an anti-skid pattern for facilitating rotation of the limiting plate.

[0017] Optionally, the clamping structure comprises two symmetrically distributed mounting frames, each mounting frame is provided with a screw rod threadedly connected therewith, one end of the screw rod is fixed with a handle, the other end of the screw rod is rotatably connected with a pressing plate for tightly pressing the outer wall of the sampling port;

[0018] The mounting frame is fixed on the baffle.

[0019] Optionally, the pressing plate comprises a horizontal plate, both ends of the horizontal plate are fixed with side plates which are integral structures, the two side plates are distributed in an eight-character shape, the edges of the side plates away from the horizontal plate are provided with anti-skid tooth structures.

[0020] The horizontal plate is rotatably connected with the other end of the screw rod.

[0021] Compared with the prior art, the application has the following beneficial effects:

[0022] The pollution source flue gas sampling pipe provided by the application is provided with a plug sleeve on the pipe body, the plug sleeve can be inserted into the sampling port to block the sampling port, the pipe body is provided with a clamping structure for clamping the sampling port, after the clamping structure clamps the sampling port, the pipe body is fixed on the sampling port, so that when flue gas sampling is performed, the worker first inserts the pipe body into the flue gas discharge tower from the sampling port, at the same time, the plug sleeve is inserted into the sampling port and tightly abuts against the edge position of the sampling port, then the clamping structure is operated, the clamping structure clamps the sampling port, and the pipe body is fixed on the sampling port, at the same time, the plug sleeve blocks the sampling port, compared with the existing sampling port blocking mode, the operation is convenient, the blocking effect of the sampling port is good, and in the sampling process, the worker does not need to hold and support the sampling pipe all the time, so that the whole sampling process is more labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can also be obtained by those skilled in the art without any creative labor.

[0024] Figure 1 A three-dimensional structural schematic diagram of the flue gas sampling tube provided in the embodiments of this application;

[0025] Figure 2 This is a schematic diagram of the front cross-sectional structure of the pollution source flue gas sampling tube provided in the embodiment of this application during sampling.

[0026] Figure 3 for Figure 2 A magnified structural diagram of region A;

[0027] Figure 4 A partial three-dimensional structural schematic diagram of the flue gas sampling tube provided in the embodiments of this application;

[0028] Figure 5 This is a partial side view of the structure of the sampling tube for the pollution source flue gas provided in the embodiment of this application.

[0029] Explanation of reference numerals in the attached drawings: 1. Pipe body; 2. Sealing plug; 201. Annular protrusion; 202. Clamping structure; 3. Mounting bracket; 301. Screw; 302. Handle; 303. Pressure plate; 304. Horizontal plate; 305. Side plate; 306. Anti-slip tooth structure; 307. Sleeve; 4. External threaded sleeve; 5. Internal thread structure; 6. Baffle; 7. Limiting plate; 8. External thread structure; 9. Anti-slip texture; 10.

[0030] Flue gas emission tower 11, sampling port 12. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are also within the scope of protection of this application.

[0032] like Figures 1-5 As shown:

[0033] An embodiment of this application provides a flue gas sampling tube for a pollution source, including a tube body 1, on which a sealing plug 2 is sleeved, which can be inserted into a sampling port 12 to seal the sampling port 12.

[0034] The tube body 1 is provided with a clamping structure 3 for clamping the sampling port 12.

[0035] After the clamping structure 3 clamps the sampling port 12, the tube body 1 is fixed on the sampling port 12.

[0036] In use, the worker first extends the pipe body 1 from the sampling port 12 into the flue gas discharge tower 11, inserts the blocking plug 2 into the sampling port 12 and abuts against the edge of the sampling port 12, and then operates the clamping structure 3 to clamp the sampling port 12, thereby fixing the pipe body 1 on the sampling port 12 while the blocking plug 2 blocks the sampling port 12.

[0037] The flue gas sampling pipe provided by the embodiment can block the sampling port 12 by inserting the blocking plug 2 into the sampling port 12, and can fix the pipe body 1 on the sampling port 12 by clamping the sampling port 12 with the clamping structure 3, so that the sampling port 12 can be blocked and the pipe body 1 can be fixed on the sampling port 12 only by inserting the blocking plug 2 into the sampling port 12 and abutting against the edge of the sampling port 12 and clamping the sampling port 12 with the clamping structure 3, which is convenient to operate, has a good blocking effect on the sampling port 12, and makes the sampling process more labor-saving because the worker does not need to hold and support the sampling pipe during the sampling process.

[0038] In some embodiments of the present application, the blocking plug 2 comprises a frustum-shaped plug body 201, and a plurality of annular protrusions 202 are arranged on the circumferential outer wall of the plug body 201 and equidistantly distributed along the generatrix of the plug body 201.

[0039] The plug body 201 and the annular protrusions 202 are integrated, and both the plug body 201 and the annular protrusions 202 are made of elastic rubber material.

[0040] In the embodiment, the pipe body 1 penetrates through the plug body 201 and is fixedly connected with the plug body 201, so that the blocking plug 2 is sleeved on the pipe body 1.

[0041] In use, after the plug body 201 is inserted into the sampling port 12, one of the annular protrusions 202 tightly presses against the inner wall of the sampling port 12, and another annular protrusion 202 adjacent to the one annular protrusion 202 tightly presses against the side end of the sampling port 12, thereby achieving the work of blocking the sampling port 12, which has a good sealing effect and can be used to block sampling ports 12 with different inner diameters.

[0042] In some embodiments of the present application, the pipe body 1 is sleeved with a sleeve 4 that can move axially along the pipe body 1 and can be locked after movement, the plug body 201 is sleeved and fixed on the sleeve 4, and the clamping structure 3 is fixedly installed on the sleeve 4, thereby adjusting the positions of the blocking plug 2 and the clamping structure 3 on the pipe body 1, so that the pipe body 1 can be extended into flue gas discharge towers 11 with different inner diameters for sampling work.

[0043] In some embodiments of the present application, the outer wall of the pipe body 1 is provided with an external thread sleeve 5, the inner wall of the sleeve 4 is provided with an internal thread structure 6, the sleeve 4 is sleeved on the external thread sleeve 5 and is threadedly connected with the external thread sleeve 5, and then only the sleeve 4 needs to be rotated to adjust the position of the plugging plug 2 and the clamping structure 3, and the operation is convenient.

[0044] In some embodiments of the present application, one end of the sleeve 4 is sleeved with a baffle 7, the other end of the sleeve 4 is detachably fixed with a limiting plate 8, the baffle 7 and the limiting plate 8 can clamp the plugging plug 2, the plugging plug 2 is sleeved on the sleeve 4, and then only the limiting plate 8 needs to be detached from the sleeve 4, and the plugging plug 2 can be detached from the sleeve 4, so that the plugging plug 2 is convenient to replace later.

[0045] In some embodiments of the present application, the other end of the sleeve 4 is provided with an external thread structure 9, the external thread structure 9 penetrates through the limiting plate 8 and is threadedly connected with the limiting plate 8, and then only the limiting plate 8 needs to be rotated to detach the limiting plate 8 from the sleeve 4, and the limiting plate 8 is convenient to detach.

[0046] In some embodiments of the present application, the limiting plate 8 is provided with anti-slip lines 10 for rotating the limiting plate 8.

[0047] In some embodiments of the present application, the clamping structure 3 comprises two symmetrical mounting frames 301, and each mounting frame 301 is provided with a screw rod 302 threadedly connected therewith. Specifically, the screw rod 302 penetrates through the mounting frame 301 and is threadedly connected with the mounting frame 301. One end of the screw rod 302 is fixed with a handle 303, and the other end of the screw rod 302 is rotatably connected with a pressing plate 304 for tightly pressing the outer wall of the sampling port 12 through a bearing. The mounting frame 301 is fixed on the baffle 7.

[0048] In this embodiment, in order to facilitate the rotation of the sleeve 4, the worker can push the mounting frame 301 to realize the rotation of the sleeve 4.

[0049] In use, after the plugging plug 2 plugs the sampling port 12, the two pressing plates 304 are located at the side of the sampling port 12 at the same time, and then the two screw rods 302 are rotated respectively to move the two pressing plates 304 towards each other. After the two pressing plates 304 move towards each other, the outer wall of the sampling port 12 is clamped between the two pressing plates 304, so that the pipe body 1 is fixed on the sampling pipe.

[0050] In some embodiments of the present application, the pressing plate 304 comprises a horizontal plate 305, both ends of the horizontal plate 305 are fixed with side plates 306 which are integral structures, the two side plates 306 are distributed in an eight-character shape, and the edge of the end of the side plate 306 away from the horizontal plate 305 is provided with an anti-slip tooth structure 307; the horizontal plate 305 is rotatably connected with the other end of the screw rod 302 through a bearing.

[0051] In use, after rotating the screw rod 302, the horizontal plate 305 drives the two side plates 306 to gradually approach the outer wall of the sampling port 12 and tightly press the outer wall of the sampling port 12, that is, the anti-skid tooth structure 307 of the two side plates 306 simultaneously tightly press the outer wall of the sampling port 12, and then the two pressing plates 304 clamp the sampling port 12, so that the pipe body 1 can be stably fixed on the sampling port 12.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that; it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A pollution source flue gas sampling probe comprising a probe body (1), characterised in that: The pipe body (1) is sleeved with a blocking plug (2) which can be inserted into the sampling port to block the sampling port; The pipe body (1) is provided with a clamping structure (3) for clamping the sampling port; After the clamping structure (3) clamps the sampling port, the pipe body (1) is fixed on the sampling port.

2. The source gas sampling probe of claim 1, wherein: The blocking plug (2) comprises a frustum-shaped plug body (201), and a plurality of annular protrusions (202) are sleeved on the circumferential outer wall of the plug body (201) and are equidistantly distributed along the generatrix of the plug body (201); The plug body (201) and the annular protrusions (202) are an integral structure, and both the plug body (201) and the annular protrusions (202) are made of elastic rubber material.

3. The stack gas sampling probe of claim 2, wherein: The pipe body (1) is sleeved with a sleeve (4) which can move axially along the pipe body (1) and can be locked after moving; The plug body (201) is sleeved and fixed on the sleeve (4), and the clamping structure (3) is installed on the sleeve (4).

4. The stack gas sampling probe of claim 3, wherein: The outer wall of the pipe body (1) is provided with an external thread sleeve (5), the inner wall of the sleeve (4) is provided with an internal thread structure (6), and the sleeve (4) is sleeved on the external thread sleeve (5) and is in threaded connection with the external thread sleeve (5).

5. The stack gas sampling probe of claim 3, wherein: One end of the sleeve (4) is sleeved and fixed with a baffle (7), the other end of the sleeve (4) is detachably fixed with a limiting plate (8), and the baffle (7) and the limiting plate (8) can clamp the blocking plug (2) therebetween; The blocking plug (2) is sleeved on the sleeve (4).

6. The stack gas sampling probe of claim 5, wherein: The other end of the sleeve (4) is provided with an external thread structure (9) on the outer wall, the external thread structure (9) penetrates through the limiting plate (8) and is in threaded connection with the limiting plate (8).

7. The stack gas sampling probe of claim 6, wherein: The limiting plate (8) is provided with anti-slip lines (10) for facilitating rotation of the limiting plate (8).

8. The stack gas sampling probe of claim 5, wherein: The clamping structure (3) comprises two symmetrically distributed mounting frames (301), each mounting frame (301) is provided with a threaded rod (302) in threaded connection therewith, one end of the threaded rod (302) is fixed with a handle (303), and the other end of the threaded rod (302) is rotatably connected with a pressing plate (304) for pressing the outer wall of the sampling port; The mounting frame (301) is fixed on the baffle (7).

9. The stack gas sampling probe of claim 8, wherein: The pressing plate (304) comprises a horizontal plate (305), both ends of the horizontal plate (305) are fixed with side plates (306) which are an integral structure with the horizontal plate (305), the two side plates (306) are in an eight-shaped distribution, and the edge of one end of the side plate (306) away from the horizontal plate (305) is provided with an anti-slip tooth structure (307); The horizontal plate (305) is rotatably connected with the other end of the threaded rod (302).

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