Sulfur dioxide flue gas sampling device

Abstract

The utility model relates to the technical field of flue gas sampling, and discloses a sulfur dioxide flue gas sampling device. The sulfur dioxide flue gas sampling device comprises a tower body, the top of one side of the tower body is fixedly provided with a supporting plate, the top of the interior of the tower body is fixedly provided with an extraction pipe, one side of the extraction pipe is fixedly provided with a merging pipe, one side of the merging pipe is fixedly provided with a control valve, one side of the control valve is fixedly provided with a sampling pipe, and the other side of the control valve is fixedly provided with a sampling pipe. A sampling opening is fixedly formed in the bottom of the sampling pipe, and a silica gel opening is fixedly formed in the bottom of the sampling opening. Through operation of the sucking pump, smoke can be sucked in through the silica gel opening in the bottom of the sampling opening, the smoke can be uniformly sucked through uniform arrangement of the plurality of sucking pipes and the plurality of sampling openings, so that the uniformity of the smoke is improved, and the smoke is fed into the sucking pump through the sucking pipes after being merged through the merging pipe, so that the smoke is uniformly sucked. The practicability of the sulfur dioxide flue gas sampling device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas sampling, in particular to a sulfur dioxide flue gas sampling device. Background Technique

[0002] Flue gas is a mixture of gas and soot, which is the main cause of polluting the atmosphere in residential areas. The composition of flue gas is very complex. The gas includes water vapor, SO2, N2, O2, CO, CO2, hydrocarbons, nitrogen oxides, etc. The soot includes ash of fuel, coal particles, oil droplets, and high-temperature pyrolysis products, etc. Therefore, the pollution of flue gas to the environment is a composite pollution of multiple poisons. The harmfulness of soot to the human body is related to the size of the particles. The floating dust with a diameter less than 10 microns is mostly harmful to the human body, especially the floating dust with a diameter of 1-2.5 microns is the most harmful.

[0003] There is a Chinese utility model patent with the reference publication number of CN217403915U. It discloses a sulfur dioxide flue gas sampling device, including a sampling pipe. A cleaning device is arranged inside the sampling pipe. The cleaning device includes a driving motor, a threaded rod, a rotating ring, a scraping plate, and a cleaning rod. A filter plate is fixedly installed at the front end of the sampling pipe. The driving motor controls the rotation of the threaded rod, the threaded rod drives the rotating ring to rotate, and the rotating ring drives the scraping plate to scrape the surface of the filter plate. When sampling the flue gas, for this sulfur dioxide flue gas sampling device, the driving motor is started, the rotating shaft drives the threaded rod to rotate, the cylinder will drive the piston plate to move in the sampling pipe, and then suck the flue gas into the pipe until the cylinder touches the telescopic rod and the stop switch. At this time, the driving motor stops, and at the same time, the pull rope will pull the sealing plate to close the sampling pipe orifice. Driven by the rotating ring, the scraping plate scrapes the surface of the filter plate, and the cleaning rod cleans the inner wall of the circular ring plate.

[0004] The existing sulfur dioxide flue gas sampling device is not convenient for uniformly sampling and detecting the gas discharged from the desorption tower. Uneven sampling will lead to deviation in the detection results. At the same time, the existing sampling device is not convenient for self-cleaning, which easily causes the problem that the sampling orifice is blocked due to dust accumulation. Content of the Utility Model

[0005] (I) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides a sulfur dioxide flue gas sampling device, which has the advantages of being convenient for self-cleaning and having a high sampling uniformity and good effect, and solves the above technical problems.

[0007] (II) Technical Solutions

[0008] To achieve the above object, the utility model provides the following technical solutions: A sulfur dioxide flue gas sampling device, including:

[0009] Tower body, on one side of the top of the tower body, a support plate is fixedly installed. Inside the top of the tower body, an extraction pipe is fixedly installed. On one side of the extraction pipe, a merging pipe is fixedly installed. The merging pipe is in a "C" shape. On one side of the merging pipe, a control valve is fixedly installed. On one side of the control valve, a sampling pipe is fixedly installed. At the bottom of the sampling pipe, a sampling port is fixedly installed. At the bottom of the sampling port, a silica gel port is fixedly installed. On one side of the top of the support plate, a steam device is fixedly installed. On one side of the steam device, a water pump is fixedly installed. On one side of the water pump, a water extraction pipe is fixedly installed. On one side of the steam device, an air outlet pipe is fixedly installed. On one side of the air outlet pipe, a shunt pipe is fixedly installed.

[0010] As a preferred technical solution of the present utility model, a suction pump is fixedly installed at the bottom of the support plate. On one side of the suction pump, a conveying pipe is fixedly installed. The conveying block is a structure for conveying gas.

[0011] As a preferred technical solution of the present utility model, an air inlet box is fixedly installed at the bottom of the conveying pipe. At the bottom of the air inlet box, a filtering box is fixedly installed. The filtering box is a structure for filtering.

[0012] As a preferred technical solution of the present utility model, a gas analyzer is fixedly installed on one side of the filtering box. The gas analyzer is a structure for analyzing gas.

[0013] As a preferred technical solution of the present utility model, three fixing grooves are movably connected inside the filtering box. The fixing grooves are in a "square" shape. The fixing grooves are structures for fixing.

[0014] As a preferred technical solution of the present utility model, a filter plate is fixedly installed inside the fixing groove. On one side of the fixing groove, a sealing block is fixedly installed. The sealing block is a structure for sealing.

[0015] As a preferred technical solution of the present utility model, a sealing plate is fixedly installed on one side of the sealing block. In the middle of one side of the sealing plate, a handle is fixedly installed. The handle is a structure for pulling.

[0016] Compared with the prior art, the present utility model provides a sulfur dioxide flue gas sampling device, which has the following beneficial effects:

[0017] 1. By the operation of the suction pump in the present utility model, the flue gas can be drawn in through the silica gel port at the bottom of the sampling port. Through the uniform arrangement of multiple extraction pipes and multiple sampling ports, the flue gas can be uniformly extracted, thereby improving the uniformity of the flue gas. After being merged by the merging pipe, it is sent into the interior of the suction pump through the extraction pipe, improving the practicability of the sulfur dioxide flue gas sampling device and the uniformity of sampling.

[0018] 2. By operating the water pump of the present utility model, water can be sent into the interior of the steam device through the water suction pipe. By operating the steam device, high-temperature steam can be sent into the interior of the shunt pipe through the air outlet pipe. The extraction pipe can be closed through the control valve, and the steam can be sent into the sampling pipe through the shunt pipe and finally ejected from the sampling port, thereby cleaning the interior of the sampling port and the sampling pipe, avoiding the problem of blockage, and improving the practicability of the sulfur dioxide flue gas sampling device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 It is a schematic diagram of the tower body of the present utility model;

[0021] Figure 3 It is a schematic diagram of the steam device of the present utility model;

[0022] Figure 4 It is a schematic diagram of the air extraction pump of the present utility model;

[0023] Figure 5 It is a schematic diagram of the fixing groove of the present utility model.

[0024] Wherein: 1. Tower body; 11. Support plate; 12. Extraction pipe; 13. Merging pipe; 14. Control valve; 15. Sampling pipe; 16. Sampling port; 17. Silicone port; 2. Steam device; 21. Water pump; 22. Water suction pipe; 23. Air outlet pipe; 24. Shunt pipe; 3. Air extraction pump; 31. Delivery pipe; 32. Intake box; 33. Filter box; 34. Gas analyzer; 4. Fixing groove; 41. Filter plate; 42. Sealing block; 43. Sealing plate; 44. Handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following further describes in detail the embodiments of the present utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0026] In the description of the present utility model, unless otherwise specified, "a plurality of" means two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "connected to" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Please refer to Figures 1-5 , in this embodiment, a sulfur dioxide flue gas sampling device includes: a tower body 1, a support plate 11 is fixedly installed at the top of one side of the tower body 1, an extraction pipe 12 is fixedly installed at the top inside the tower body 1, a merging pipe 13 is fixedly installed on one side of the extraction pipe 12, the merging pipe 13 is in a "C" shape, a control valve 14 is fixedly installed on one side of the merging pipe 13, a sampling pipe 15 is fixedly installed on one side of the control valve 14, a sampling port 16 is fixedly installed at the bottom of the sampling pipe 15, and a silica gel port 17 is fixedly installed at the bottom of the sampling port 16.

[0029] Specifically, through multiple sampling pipes 15 and multiple sampling ports 16 at their bottoms, the flue gas inside the tower body 1 can be evenly extracted, thereby avoiding the problem that the insufficient sampling uniformity affects the detection structure.

[0030] A steam device 2 is fixedly installed on one side of the top of the support plate 11, a water pump 21 is fixedly installed on one side of the steam device 2, a water pipe 22 is fixedly installed on one side of the water pump 21, an air outlet pipe 23 is fixedly installed on one side of the steam device 2, and a shunt pipe 24 is fixedly installed on one side of the air outlet pipe 23.

[0031] Specifically, through the water pump 21, the water inside the water pipe 22 can be sent into the steam device 2. Through the operation of the steam device 2, high-temperature steam can be sent into the shunt pipe 24 through the air outlet pipe 23.

[0032] An air extraction pump 3 is fixedly installed at the bottom of the support plate 11, and a delivery pipe 31 is fixedly installed on one side of the air extraction pump 3.

[0033] An air inlet box 32 is fixedly installed at the bottom of the delivery pipe 31, and a filter box 33 is fixedly installed at the bottom of the air inlet box 32.

[0034] A gas analyzer 34 is fixedly installed on one side of the filter box 33.

[0035] Specifically, through the operation of the air extraction pump 3, the flue gas can be sent into the filter box 33 through the delivery pipe 31 for filtration. After the filter box 33 filters the dust and impurities in the flue gas, it is sent into the gas analyzer 34. Through the gas analyzer 34, the gas components can be detected.

[0036] Inside the filter box 33, three fixing grooves 4 are movably connected, and the fixing grooves 4 are in the shape of a "mouth".

[0037] Inside the fixing groove 4, a filter plate 41 is fixedly installed, and on one side of the fixing groove 4, a sealing block 42 is fixedly installed.

[0038] On one side of the sealing block 42, a sealing plate 43 is fixedly installed, and in the middle of one side of the sealing plate 43, a handle 44 is fixedly installed.

[0039] Specifically, the flue gas can be filtered through the filter plate 41 inside the fixing groove 4, the gap can be sealed through the sealing block 42 and the sealing plate 43, and the fixing groove 4 can be taken out by pulling the handle 44, so as to facilitate the cleaning of the fixing groove 4.

[0040] During use, through the operation of the air extraction pump 3, the sampling port 16 can extract the flue gas inside the tower body 1. Through multiple sampling pipes 15 and multiple sampling ports 16, the flue gas inside the tower body 1 can be evenly extracted, avoiding the problem of uneven sampling caused by local extraction, which affects the detection effect, improving the practicability and accuracy of the sulfur dioxide flue gas sampling device. The sampled gas is sent into the interior of the air extraction pump 3 through the extraction pipe 12 via the merging pipe 13, and then sent into the interior of the intake box 32 through the delivery pipe 31. After the dust and impurities in the flue gas are filtered by the intake box 32, it is sent into the gas analyzer 34 for gas analysis, thereby detecting the concentration of sulfur dioxide, improving the practicability of the sulfur dioxide flue gas sampling device, and at the same time avoiding the problem that dust and impurities affect the analysis and detection effect. The filter plate 41 in the middle of the three fixed slots 4 inside the filter box 33 filters the flue gas in three layers, thereby quickly filtering the dust and impurities, improving the practicability of the sulfur dioxide flue gas sampling device. The gap between the fixed slot 4 and the filter box 33 can be sealed by the sealing block 42 and the sealing plate 43, thereby preventing the sampled flue gas from escaping. When it is necessary to clean the filter plate 41 inside the fixed slot 4, by pulling the handle 44, the sealing plate 43 can be driven to be taken out, and thus the fixed slot 4 and the filter plate 41 inside it can be taken out for cleaning, improving the convenience of the sulfur dioxide flue gas sampling device. When it is necessary to clean the sampling port 16, through the operation of the water extraction pump 21, the water inside the water extraction pipe 22 is pumped out and sent into the interior of the steam device 2. Through the operation of the steam device 2, the high-temperature steam is sent into the interior of the shunt pipe 24 from the outlet pipe 23, and finally the steam is shunted by the shunt pipe 24 and sent into the interior of each sampling pipe 15. By closing the control valve 14, the sampling pipe 15 is closed. The steam enters the interior of the sampling pipe 15 and is discharged from the sampling port 16, thereby cleaning the sampling pipe 15 and the sampling port 16, avoiding the problem of blockage of the sampling port 16. Due to the flexible silicone groove material of the silicone port 17, the problem that the steam cannot be discharged due to dust blockage is avoided, improving the practicability and self-cleaning effect of the sulfur dioxide flue gas sampling device.

[0041] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sulfur dioxide flue gas sampling device, characterized in that, The sulfur dioxide flue gas sampling device includes a tower body (1). On the top of one side of the tower body (1), a support plate (11) is fixedly installed. Inside the top of the tower body (1), a extraction pipe (12) is fixedly installed. On one side of the extraction pipe (12), a merging pipe (13) is fixedly installed. The merging pipe (13) is in a "C" shape. On one side of the merging pipe (13), a control valve (14) is fixedly installed. On one side of the control valve (14), a sampling pipe (15) is fixedly installed. At the bottom of the sampling pipe (15), a sampling port (16) is fixedly installed. At the bottom of the sampling port (16), a silica gel port (17) is fixedly installed. On the top of one side of the support plate (11), a steam device (2) is fixedly installed. On one side of the steam device (2), a water pump (21) is fixedly installed. On one side of the water pump (21), a water suction pipe (22) is fixedly installed. On one side of the steam device (2), an air outlet pipe (23) is fixedly installed. On one side of the air outlet pipe (23), a shunt pipe (24) is fixedly installed.

2. The sulfur dioxide flue gas sampling device according to claim 1, characterized in that: At the bottom of the support plate (11), an air extraction pump (3) is fixedly installed. On one side of the air extraction pump (3), a delivery pipe (31) is fixedly installed.

3. The sulfur dioxide flue gas sampling device according to claim 2, wherein: At the bottom of the delivery pipe (31), an air inlet box (32) is fixedly installed. At the bottom of the air inlet box (32), a filter box (33) is fixedly installed.

4. The sulfur dioxide flue gas sampling device according to claim 3, wherein: On one side of the filter box (33), a gas analyzer (34) is fixedly installed.

5. The sulfur dioxide flue gas sampling device according to claim 4, characterized in that: Inside the filter box (33), three fixing slots (4) are movably connected. The fixing slots (4) are in a "square" shape.

6. The sulfur dioxide flue gas sampling device according to claim 5, characterized in that: Inside the fixing slots (4), filter plates (41) are fixedly installed. On one side of the fixing slots (4), sealing blocks (42) are fixedly installed.

7. The sulfur dioxide flue gas sampling device according to claim 6, characterized in that: On one side of the sealing blocks (42), sealing plates (43) are fixedly installed. In the middle of one side of the sealing plates (43), handles (44) are fixedly installed.

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