High-temperature flue gas sampling pipe with high cleaning function

Abstract

The utility model relates to the technical field of sampling, discloses a high-temperature flue gas sampling tube with a high cleaning function, and solves the problems that errors are easy to occur in next sample measurement and data are inaccurate due to the fact that an existing high-temperature flue gas sampling tube cannot be cleaned in time after sampling each time. A high-temperature flue gas sampling pipe with a high cleaning function comprises a flue and a first composite pipe arranged on one side of the flue, one side of the first composite pipe is fixedly connected with a U-shaped pressure measuring pipe, one side of the U-shaped pressure measuring pipe is fixedly connected with a second composite pipe, the lower end of the second composite pipe is fixedly connected with a support, and the support comprises a shell and a telescopic column arranged in the shell; a movable column is arranged in the telescopic column, a threaded column is fixedly connected to the lower end of the telescopic column, a rotating handle is fixedly connected to the lower end of the threaded column, and a first cleaning brush is fixedly connected to the outer surface of the telescopic column, so that a pipeline can be cleaned after sampling every time, and inaccuracy of next sample measurement cannot be caused.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling, in particular to a high-temperature flue gas sampling tube with a high cleanliness function. Background Art

[0002] The flue gas heating sampling composite tube is a new type of sampling equipment widely used in flue gas sampling and analysis. It consists of two pipes, the inner pipe is used for sampling gas, and the outer pipe is used to transport the heating medium. The flue gas is sampled through the inner pipe, and the heating medium is input through the outer pipe to keep the flue gas temperature constant, ensuring accurate analysis of the flue gas composition. Compared with traditional sampling methods, the flue gas heating sampling composite tube is simpler to operate, does not require additional heating equipment during the sampling process, and can also ensure the reliability and accuracy of the sampling results.

[0003] The existing high-temperature flue gas sampling tube cannot be cleaned in time after each sampling, which makes it easy for errors to occur in the next sampling and leads to inaccurate data. Utility Model Content

[0004] The purpose of the utility model is to provide a high-temperature flue gas sampling tube with a high cleanliness function. The device is used to work, thereby solving the problem of the existing high-temperature flue gas sampling tube, which cannot be cleaned in time after each sampling, resulting in errors in the next sampling and inaccurate data.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-temperature flue gas sampling tube with high cleanliness function, including a flue and a composite tube one is arranged on one side of the flue, one side of the composite tube one is fixedly connected to a U-shaped pressure measuring tube, one side of the U-shaped pressure measuring tube is fixedly connected to a composite tube two, the lower end of the composite tube two is fixedly connected to a bracket, the bracket includes an outer shell and a telescopic column arranged inside the outer shell, a live column is arranged inside the telescopic column, the lower end of the telescopic column is fixedly connected to a threaded column, the lower end of the threaded column is fixedly connected to a rotating handle, and the outer surface of the telescopic column is fixedly connected to a cleaning brush one.

[0006] Preferably, a sampling tube is fixedly connected to one side of the composite tube, a filter cartridge is fixedly connected to the upper surface of the composite tube, a regulating valve is fixedly connected to the upper surface of the composite tube, and the filter cartridge is located on one side of the regulating valve.

[0007] Preferably, the regulating valve comprises a connecting pipe and a valve body disposed on one side of the connecting pipe, a screw is movably connected to one side of the valve body, a valve seat is fixedly connected to the upper surface of the valve body, and a shaft seal is movably connected to the upper end of the valve seat.

[0008] Preferably, a pressure measuring tube is fixedly connected to the upper surface of the second composite tube, and a temperature measuring tube is fixedly connected to the upper surface of the second composite tube, and the temperature measuring tube is located on one side of the pressure measuring tube.

[0009] Preferably, a cylindrical groove 1 is provided inside the shell, and a thread groove is provided at a lower end of the cylindrical groove, and the thread groove matches the thread column.

[0010] Preferably, a second cylindrical groove is provided inside the telescopic column, the second cylindrical groove matches the movable column, a first groove is provided on the upper surface of the telescopic column, and a second groove is provided on the upper surface of the telescopic column.

[0011] Preferably, a cleaning brush 2 is fixedly connected to the upper end of the piston, a groove 3 is provided on the upper surface of the piston, a spring is arranged inside the groove 3, a button is fixedly connected to one side of the spring, six grooves are arranged, and grooves 1 and 2 correspond to groove 3.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model proposes a high-temperature flue gas sampling tube with a high cleanliness function, including a flue and a composite tube 1 arranged on one side of the flue, one side of the composite tube 1 is fixedly connected to a U-shaped pressure measuring tube, one side of the U-shaped pressure measuring tube is fixedly connected to a composite tube 2, the lower end of the composite tube 2 is fixedly connected to a bracket, the bracket includes an outer shell and a telescopic column arranged inside the outer shell, a live column is arranged inside the telescopic column, a threaded column is fixedly connected to the lower end of the telescopic column, a rotating handle is fixedly connected to the lower end of the threaded column, a cleaning brush 1 is fixedly connected to the outer surface of the telescopic column, and the threaded column can be rotated by rotating the handle to rotate the telescopic column, so that the telescopic column can be taken out of the outer shell for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the regulating valve structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the housing of the utility model;

[0017] Figure 4 It is a schematic diagram of a telescopic column of the utility model;

[0018] Figure 5 It is a schematic diagram of a plunger of the utility model.

[0019] In the figure: 1. flue; 2. composite pipe 1; 21. sampling tube; 22. filter cartridge; 23. regulating valve; 231. connecting pipe; 232. valve body; 233. screw; 234. valve seat; 235. shaft seal; 3. U-shaped pressure measuring tube; 4. composite pipe 2; 41. pressure measuring tube; 42. temperature measuring tube; 5. bracket; 51. shell; 511. cylindrical groove 1; 512. threaded groove; 52. telescopic column; 521. cleaning brush 1; 522. cylindrical groove 2; 523. groove 1; 524. groove 2; 53. piston; 531. cleaning brush 2; 532. groove 3; 5321. spring; 5322. button; 54. threaded column; 55. rotating handle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0022] Combination Figure 1-Figure 5 A high-temperature flue gas sampling tube with high cleanliness function comprises a flue 1 and a composite tube 2 is arranged on one side of the flue 1, a U-shaped pressure measuring tube 3 is fixedly connected to one side of the composite tube 2, a composite tube 4 is fixedly connected to one side of the U-shaped pressure measuring tube 3, a bracket 5 is fixedly connected to the lower end of the composite tube 4, a sampling tube 21 is fixedly connected to one side of the composite tube 2, a filter cartridge 22 is fixedly connected to the upper surface of the composite tube 2, a regulating valve 23 is fixedly connected to the upper surface of the composite tube 2, the filter cartridge 22 is located on one side of the regulating valve 23, and the regulating valve 23 is fixedly connected to the upper surface of the composite tube 2. The valve 23 includes a connecting pipe 231 and a valve body 232 provided on one side of the connecting pipe 231, a screw 233 is movably connected to one side of the valve body 232, a valve seat 234 is fixedly connected to the upper surface of the valve body 232, a shaft seal 235 is movably connected to the upper end of the valve seat 234, a pressure measuring tube 41 is fixedly connected to the upper surface of the composite pipe 24, a temperature measuring tube 42 is fixedly connected to the upper surface of the composite pipe 24, the temperature measuring tube 42 is located on one side of the pressure measuring tube 41, and the smoke enters the valve body 232 and then enters the pipe through the rotating shaft seal 235.

[0023] The outer bracket 5 includes a shell 51 and a telescopic column 52 disposed inside the shell 51, a plunger 53 disposed inside the telescopic column 52, a threaded column 54 fixedly connected to the lower end of the telescopic column 52, a rotating handle 55 fixedly connected to the lower end of the threaded column 54, a cylindrical groove 511 is provided inside the shell 51, a threaded groove 512 is provided at the lower end of the cylindrical groove 511, and the threaded groove 512 matches the threaded column 54, a cleaning brush 521 is fixedly connected to the outer surface of the telescopic column 52, a cylindrical groove 522 is provided inside the telescopic column 52, and the cylindrical groove 522 matches the plunger 53, and a groove 523 is provided on the upper surface of the telescopic column 52 A groove 2 524 is provided on the upper surface of the telescopic column 52, a cleaning brush 2 531 is fixedly connected to the upper end of the piston 53, a groove 3 532 is provided on the upper surface of the piston 53, a spring 5321 is provided inside the groove 3 532, a button 5322 is fixedly connected to one side of the spring 5321, six grooves 3 532 are provided, the groove 1 523 and the groove 2 524 correspond to the groove 3 532, and the piston 53 can be moved upward by pressing the button 5322 to make the spring 5321 move inward. When the groove 3 532 corresponds to the groove 1 523, the button 5322 is stuck in the groove 1 523 under the action of the spring 5321.

[0024] The utility model is further described below in conjunction with embodiments.

[0025] Working principle:

[0026] The flue gas enters from the sampling tube 21, and enters the valve body 232 and then the pipeline through the rotating shaft seal 235. After the sampling is completed, the threaded column 54 is loosened by rotating the handle 55 to remove the telescopic column 52 from the shell 51, and the button 5322 is pressed to make the spring 5321 move inward, so that the piston 53 can be moved upward. When the groove three 532 corresponds to the groove one 523, under the action of the spring 5321, the button 5322 is stuck in the groove one 523 to achieve the telescopic effect. The pipeline composite pipe one 2 and the composite pipe two 4 are simply cleaned by the cleaning brush one 521 and the cleaning brush two 531. After use, the piston 53 is moved downward to be stuck in the groove two 524.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-temperature flue gas sampling tube with high cleanliness function, comprising a flue (1) and a composite tube (2) disposed on one side of the flue (1), a U-shaped pressure measuring tube (3) fixedly connected to one side of the composite tube (2), a composite tube (4) fixedly connected to one side of the U-shaped pressure measuring tube (3), and a bracket (5) fixedly connected to the lower end of the composite tube (4), characterized in that: The bracket (5) comprises a shell (51) and a telescopic column (52) arranged inside the shell (51), a movable column (53) arranged inside the telescopic column (52), a threaded column (54) fixedly connected to the lower end of the telescopic column (52), a rotating handle (55) fixedly connected to the lower end of the threaded column (54), and a cleaning brush (521) fixedly connected to the outer surface of the telescopic column (52).

2. The high-temperature flue gas sampling tube with high cleanliness function according to claim 1, characterized in that: A sampling tube (21) is fixedly connected to one side of the composite tube (2), a filter cartridge (22) is fixedly connected to the upper surface of the composite tube (2), a regulating valve (23) is fixedly connected to the upper surface of the composite tube (2), and the filter cartridge (22) is located on one side of the regulating valve (23).

3. The high-temperature flue gas sampling tube with high cleanliness function according to claim 2, characterized in that: The regulating valve (23) comprises a connecting pipe (231) and a valve body (232) disposed on one side of the connecting pipe (231); a screw (233) is movably connected to one side of the valve body (232); a valve seat (234) is fixedly connected to the upper surface of the valve body (232); and a shaft seal (235) is movably connected to the upper end of the valve seat (234).

4. The high-temperature flue gas sampling tube with high cleanliness function according to claim 1, characterized in that: A pressure measuring tube (41) is fixedly connected to the upper surface of the second composite tube (4), and a temperature measuring tube (42) is fixedly connected to the upper surface of the second composite tube (4), wherein the temperature measuring tube (42) is located at one side of the pressure measuring tube (41).

5. The high-temperature flue gas sampling tube with high cleanliness function according to claim 1, characterized in that: A cylindrical groove (511) is provided inside the housing (51), a thread groove (512) is provided at the lower end of the cylindrical groove (511), and the thread groove (512) matches the thread column (54).

6. The high-temperature flue gas sampling tube with high cleanliness function according to claim 1, characterized in that: The telescopic column (52) has a second cylindrical groove (522) formed inside, the second cylindrical groove (522) matches the movable column (53), the upper surface of the telescopic column (52) has a first groove (523), and the upper surface of the telescopic column (52) has a second groove (524).

7. The high-temperature flue gas sampling tube with high cleanliness function according to claim 1, characterized in that: The upper end of the plunger (53) is fixedly connected to a second cleaning brush (531), and the upper surface of the plunger (53) is provided with a third groove (532), a spring (5321) is arranged inside the third groove (532), and a button (5322) is fixedly connected to one side of the spring (5321), and six third grooves (532) are arranged, and the first groove (523) and the second groove (524) correspond to the third groove (532).

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