Integrated flue gas sampler

Abstract

The utility model discloses an integrated flue gas sampler, and aims to provide an integrated flue gas sampler which is convenient to use and has multiple functions. The device comprises a main machine, a moisture content gas circuit and a flue gas sampling gas circuit, a sampling pipe is connected to the main machine, the moisture content gas circuit comprises a moisture content gas inlet pipe and a moisture content gas pump which are connected, the moisture content gas inlet pipe is located in the sampling pipe, and the flue gas sampling gas circuit comprises a flue gas inlet pipe, an absorption container, a dehumidification device, a flow meter and a flue gas pump which are sequentially connected. A heating piece is arranged on the smoke inlet pipe, the smoke inlet pipe is located in the sampling pipe, the absorption container is arranged on the sampling pipe, absorption liquid is arranged in the absorption container, and a smoke inlet filter element and a moisture content gas path inlet filter element are arranged at the front end of the sampling pipe. The flue gas inlet filter element and the moisture content gas path inlet filter element are respectively connected with a flue gas inlet pipe and a moisture content inlet pipe, and the sampling pipe is provided with a pitot tube assembly and a temperature control wire. The gas monitoring device is applied to the technical field of gas monitoring.

Description

Technical Field

[0001] The utility model relates to the technical field of gas monitoring, in particular to an integrated flue gas sampler. Background Art

[0002] Traditional flue gas sampling equipment includes a main unit, pre-processor, and connecting pipes. If you need to measure flue gas operating parameters, you also need to carry sampling tubes that can measure operating parameters, as well as corresponding pipes and connecting lines. Traditional equipment is cumbersome to use and difficult to operate on site. Long connecting pipes can also cause condensation in the connecting pipes, affecting sampling. Furthermore, due to the diverse measurement parameters, traditional equipment requires carrying multiple sets of sampling tubes, which can be inconvenient to operate. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an integrated smoke sampler which is easy to use and multifunctional.

[0004] The technical solution adopted by the utility model is as follows: the utility model includes a host, a moisture content air path and a flue gas sampling air path, the host is connected to a sampling tube, the moisture content air path includes a moisture content air inlet pipe and a moisture content air pump connected thereto, the moisture content air inlet pipe is located in the sampling tube, the moisture content air pump is located in the host, the flue gas sampling air path includes a flue gas inlet pipe, an absorption container, a dehumidification device, a flow meter and a flue gas pump connected in sequence, a heating element is provided on the flue gas inlet pipe, the flue gas inlet pipe is located in the In the sampling tube, the absorption container is arranged on the sampling tube, and the absorption liquid is arranged in the absorption container. The dehumidification device, the flow meter and the flue gas pump are all located in the main unit. The front end of the sampling tube is provided with a flue gas inlet filter element and a moisture content air path inlet filter element. The flue gas inlet filter element and the moisture content air path inlet filter element are respectively connected to the flue gas inlet pipe and the moisture content inlet pipe. A Pitot tube assembly and a temperature control line are provided on the sampling tube, and the Pitot tube assembly and the temperature control line are both connected to the main unit.

[0005] Furthermore, a flue gas extension pipe may be threadedly connected to the flue gas inlet filter element.

[0006] Furthermore, a flue gas mercury sampling tube may be threadedly connected to the flue gas inlet filter element.

[0007] Furthermore, the flue gas mercury sampling tube comprises a mercury adsorption tube and an adsorption tube pressure cap. The mercury adsorption tube is threadedly connected to the flue gas inlet filter element, and the adsorption tube pressure cap is arranged on the mercury adsorption tube through a sealing member.

[0008] Furthermore, the flue gas inlet filter element and the moisture content air path inlet filter element are both threadedly connected to the front end of the sampling tube.

[0009] Furthermore, the number of the flue gas sampling gas paths is two.

[0010] Furthermore, the dehumidification device includes a condensation chamber, and a Peltier refrigeration module is provided on the condensation chamber.

[0011] Furthermore, the absorption container is an absorption bottle; a hanging column is provided on the sampling tube, and a hanging rack matched with the hanging column is provided on the absorption container.

[0012] Furthermore, the sampling tube is threadably connected to one side of the main unit via a screw.

[0013] Furthermore, the Pitot tube assembly is locked on the sampling tube by a clamp; the Pitot tube assembly includes two air ducts, the front ends of the two air ducts are symmetrically arranged and arranged in opposite directions, the rear ends of the two air ducts are connected to the main unit through a dynamic pressure nozzle and a static pressure nozzle respectively, and the temperature control line is connected to the main unit through a smoke temperature socket.

[0014] The beneficial effects of the utility model are:

[0015] In contrast to the shortcomings of the prior art, the present invention adopts an integrated design, which simultaneously has a moisture content gas path and a flue gas sampling gas path, and a Pitot tube assembly for measuring the gas flow rate is provided on the sampling tube, so that more working condition parameters can be measured while sampling through one device, and the working condition adaptability range can be wider, making the present invention easy to use and multifunctional. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model Figure 1 ;

[0018] Figure 2 It is an exploded schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model Figure 2 ;

[0020] Figure 4 This is a schematic diagram of the internal gas circuits of the moisture content gas circuit and the flue gas sampling gas circuit of the present invention;

[0021] Figure 5 This is a schematic diagram of the internal gas path of the smoke sampling gas path of the present invention;

[0022] Figure 6 It is a three-dimensional structural diagram of the sampling tube and the flue gas extension pipe of the utility model;

[0023] Figure 7 It is a three-dimensional structural schematic diagram of the sampling tube and the flue gas mercury sampling tube of the utility model.

[0024] The reference numerals are as follows:

[0025] 1. Main unit; 2. Sampling tube; 3. Moisture content air inlet pipe; 5. Moisture content air pump; 6. Flue gas inlet pipe; 7. Absorption container; 8. Dehumidification device; 9. Flow meter; 10. Flue gas pump; 11. Flue gas inlet filter element; 12. Moisture content air path inlet filter element; 13. Pitot tube assembly; 15. Temperature control line; 16. Flue gas extension pipe fitting; 17. Flue gas mercury sampling pipe fitting; 18. Mercury adsorption tube; 19. Adsorption tube pressure cap; 20. Seal; 21. Condensation chamber; 22. Peltier refrigeration module; 23. Hanging column; 25. Hanging rack.

[0026] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0027] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, clockwise, counterclockwise, etc., are only used to explain the relative position relationship and movement status of the various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0029] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0030] like Figures 1 to 3 As shown, in this embodiment, the utility model includes a host 1, a moisture content air path and a flue gas sampling air path, the host 1 is connected to a sampling tube 2, the moisture content air path includes a moisture content air inlet pipe 3 and a moisture content air pump 5 connected thereto, the moisture content air inlet pipe 3 is located in the sampling tube 2, the moisture content air pump 5 is located in the host 1, the flue gas sampling air path includes a flue gas inlet pipe 6, an absorption container 7, a dehumidification device 8, a flow meter 9 and a flue gas pump 10 connected in sequence, a heating element is provided on the flue gas inlet pipe 6, the flue gas inlet pipe 6 is located in the sampling tube 2, the absorption container 7, a dehumidification device 8, a flow meter 9 and a flue gas pump 10, the flue gas inlet pipe 6 is provided with a heating element ... sampling air path includes a flue gas inlet pipe 6, an absorption container 7, a dehumidification device 8, a flow meter 9 and a flue gas pump 10, the absorption container 7, a dehumidification device 8, a flow meter 9 and a flue gas pump 10, the absorption container 7, a dehumidification device 8, a flow meter 9 and a flue gas pump 10, the absorption container 7, a dehumidification device 8, a flow meter 9 and a flue gas pump 10, the absorption container 7, a dehumidification device 8, a flow meter 9 and a flue gas pump The collecting container 7 is arranged on the sampling tube 2, and the absorption liquid is arranged in the absorption container 7. The dehumidification device 8, the flow meter 9 and the flue gas pump 10 are all located in the main unit 1. The front end of the sampling tube 2 is provided with a flue gas inlet filter element 11 and a moisture content air path inlet filter element 12. The flue gas inlet filter element 11 and the moisture content air path inlet filter element 12 are respectively connected to the flue gas inlet pipe 6 and the moisture content inlet pipe 3. A pitot tube assembly 13 and a temperature control line 15 are provided on the sampling tube 2, and the pitot tube assembly 13 and the temperature control line 15 are both connected to the main unit 1.

[0031] It should be noted that if Figures 4 and 5 As shown, when the flue gas sampling gas path performs flue gas sampling, air is extracted by the flue gas pump 10, and the flow rate is controlled by the flow meter 9 to set the sampling time and achieve the required sampling volume; the flue gas passes through the heated flue gas inlet pipe 6, and then enters the absorption container 7, which is filled with absorption liquid. After passing through the absorption liquid, the flue gas enters the dehumidification device 8 for dehumidification, and the dehumidified flue gas passes through the flow meter 9 and is finally discharged through the flue gas pump 10 to achieve sampling; when the moisture content gas path performs flue gas sampling, air is extracted by the moisture content air pump 5, and the flue gas is discharged after passing through the moisture content inlet pipe 3 and the moisture content air pump 5 in turn to achieve sampling.

[0032] In contrast to the shortcomings of the prior art, the present invention adopts an integrated design, which provides both a moisture content gas path and a flue gas sampling gas path, and a Pitot tube assembly 13 for measuring the gas flow rate is provided on the sampling tube 2, so that more operating parameters can be measured while sampling through one device, and the operating conditions can be adapted to a wider range, making the present invention easy to use and multifunctional.

[0033] like Figure 6 As shown, in some embodiments, a flue gas extension pipe 16 may be threadedly connected to the flue gas inlet filter 11. Specifically, the flue gas extension pipe 16 may be connected to the flue gas inlet filter 11 to adapt to more working conditions, such as high temperature working conditions and working conditions with thick flue walls.

[0034] like Figure 7 As shown, in certain embodiments, a flue gas mercury sampling tube 17 may be threadedly connected to the flue gas inlet filter element 11; the flue gas mercury sampling tube 17 includes a mercury adsorption tube 18 and an adsorption tube pressure cap 19. The mercury adsorption tube 18 is threadedly connected to the flue gas inlet filter element 11, and the adsorption tube pressure cap 19 is disposed on the mercury adsorption tube 18 via a sealing member 20. The sealing member 20 is an O-ring. Specifically, by connecting the flue gas mercury sampling tube 17 to the flue gas inlet filter element 11, the device also has a flue gas mercury sampling function; during installation, the mercury adsorption tube 18 is threadedly connected to the flue gas inlet filter element 11 and fixedly sealed with the adsorption tube pressure cap 19 and the sealing member 20.

[0035] In some embodiments, the flue gas inlet filter 11 and the moisture content air path inlet filter 12 are both threadedly connected to the front end of the sampling tube 2 .

[0036] In some embodiments, the number of the flue gas sampling gas circuits is two.

[0037] In certain embodiments, the dehumidification device 8 includes a condensation chamber 21, which is equipped with a Peltier cooling module 22. The condensation chamber 21 is formed within a condensation water bottle, which is threadedly connected to the bottom of the main unit 1. Specifically, the Peltier cooling module 22 provides cooling and dehumidification, and a drying cylinder can also be connected in series to enhance the dehumidification effect.

[0038] In some embodiments, the absorption container 7 is an absorption bottle; the sampling tube 2 is provided with a hanging post 23, and the absorption container 7 is provided with a hanging rack 25 that cooperates with the hanging post 23. Specifically, the hanging post 23 cooperates with the hanging rack 25, so that the absorption container 7 can be hung on the sampling tube 2.

[0039] In some embodiments, the sampling tube 2 is threadably connected to one side of the host 1 via a screw.

[0040] In certain embodiments, the Pitot tube assembly 13 is secured to the sampling tube 2 via a clamp. The Pitot tube assembly 13 includes two air ducts, the front ends of which are symmetrically arranged and face each other. The rear ends of the two air ducts are connected to the main unit 1 via a dynamic pressure nozzle and a static pressure nozzle, respectively. The temperature control line 15 is connected to the main unit 1 via a smoke temperature socket. The Pitot tube assembly 13 is used to measure gas flow rate and has two adjustable angles for horizontal and vertical operation. The temperature control line 15 is connected via an aviation plug and an aviation operation.

[0041] It is worth mentioning that if traditional equipment needs to realize all the functions of this equipment, it needs a flue gas sampler, a flue gas preprocessor, an operating condition sampling tube, a moisture content sampling tube and a flue gas mercury sampling tube. This equipment can be integrated into an integrated structure, and one set of equipment can realize sampling and measure more operating condition parameters at the same time.

[0042] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. Integrated flue gas sampler, characterized by: The invention comprises a main unit (1), a moisture content air path and a flue gas sampling air path, wherein the main unit (1) is connected to a sampling tube (2), the moisture content air path comprises a moisture content air inlet pipe (3) and a moisture content air pump (5) connected to each other, the moisture content air inlet pipe (3) is located in the sampling tube (2), the moisture content air pump (5) is located in the main unit (1), the flue gas sampling air path comprises a flue gas inlet pipe (6), an absorption container (7), a dehumidification device (8), a flow meter (9) and a flue gas pump (10) connected in sequence, the flue gas inlet pipe (6) is provided with a heating element, the flue gas inlet pipe (6) is located in the sampling tube (2), the absorption container (7) is provided in the flue gas sampling air path, and the flue gas sampling air path comprises a flue gas inlet pipe (6), an absorption container (7), a flow meter (9) and a flue gas pump (10) connected in sequence, and the flue gas inlet pipe (6) is provided with a heating element, the flue gas inlet pipe (6) is located in the sampling tube (2), and the absorption container (7) is provided in the flue gas sampling air path. On the sampling tube (2), the absorption container (7) is provided with absorption liquid, the dehumidification device (8), the flow meter (9) and the flue gas pump (10) are all located in the main unit (1), the front end of the sampling tube (2) is provided with a flue gas inlet filter element (11) and a moisture content air path inlet filter element (12), the flue gas inlet filter element (11) and the moisture content air path inlet filter element (12) are respectively connected to the flue gas inlet pipe (6) and the moisture content inlet pipe (3), the sampling tube (2) is provided with a pitot tube assembly (13) and a temperature control line (15), the pitot tube assembly (13) and the temperature control line (15) are both connected to the main unit (1).

2. The integrated flue gas sampler according to claim 1, characterized in that: The smoke inlet filter element (11) can be threadedly connected to a smoke extension pipe (16).

3. The integrated flue gas sampler according to claim 1, characterized in that: A flue gas mercury sampling pipe (17) can be threadedly connected to the flue gas inlet filter element (11).

4. The integrated flue gas sampler according to claim 3, characterized in that: The flue gas mercury sampling pipe (17) comprises a mercury adsorption tube (18) and an adsorption tube pressure cap (19); the mercury adsorption tube (18) is threadedly connected to the flue gas inlet filter (11); and the adsorption tube pressure cap (19) is arranged on the mercury adsorption tube (18) through a sealing member (20).

5. The integrated flue gas sampler according to claim 2 or 3, characterized in that: The flue gas inlet filter (11) and the moisture content air path inlet filter (12) are both threadedly connected to the front end of the sampling tube (2).

6. The integrated flue gas sampler according to claim 1, characterized in that: The number of the flue gas sampling gas paths is two.

7. The integrated flue gas sampler according to claim 1, characterized in that: The dehumidification device (8) comprises a condensation chamber (21), and a Peltier refrigeration module (22) is provided on the condensation chamber (21).

8. The integrated flue gas sampler according to claim 1, characterized in that: The absorption container (7) is an absorption bottle; a hanging column (23) is provided on the sampling tube (2); and a hanging rack (25) matched with the hanging column (23) is provided on the absorption container (7).

9. The integrated flue gas sampler according to claim 1, characterized in that: The sampling tube (2) is connected to one side of the main unit (1) via a screw thread.

10. The integrated flue gas sampler according to claim 1, characterized in that: The Pitot tube assembly (13) is fastened to the sampling tube (2) via a clamp; the Pitot tube assembly (13) comprises two air ducts, the front ends of the two air ducts are symmetrically arranged and arranged in opposite directions, the rear ends of the two air ducts are connected to the main unit (1) via a dynamic pressure nozzle and a static pressure nozzle respectively, and the temperature control line (15) is connected to the main unit (1) via a smoke temperature socket.

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