CN221351343U - Gas sampling adsorption tube - Google Patents
Gas sampling adsorption tube Download PDFInfo
- Publication number
- CN221351343U CN221351343U CN202323092703.5U CN202323092703U CN221351343U CN 221351343 U CN221351343 U CN 221351343U CN 202323092703 U CN202323092703 U CN 202323092703U CN 221351343 U CN221351343 U CN 221351343U
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- CN
- China
- Prior art keywords
- adsorption tube
- tube body
- gas sampling
- sealing
- connecting rod
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 63
- 238000005070 sampling Methods 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 239000003463 adsorbent Substances 0.000 claims description 12
- 239000011491 glass wool Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 239000011521 glass Substances 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000002893 slag Substances 0.000 abstract description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 17
- 239000007789 gas Substances 0.000 description 17
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a gas sampling adsorption tube, relates to the technical field of detection sampling tubes, and solves the problems that in the process of cutting, the existing operators are scratched by glass slag, and the use process and the inconvenience are caused, so that time and labor are wasted; the adsorption tube comprises an adsorption tube body and is characterized in that openings are respectively arranged at two ends of the adsorption tube body, the two openings are sealed by sealing layers, unsealing components are respectively detachably arranged at two ends of the adsorption tube body, and each unsealing component comprises a pointed end for puncturing the sealing layer; its aim at provides a gas sampling adsorption tube, and two openings are used for detecting the entering and the discharge of gas respectively, avoid external gas to get into the inside of sealed tube body after the sealing layer is sealed and guaranteed the leakproofness of adsorption tube body, and whole unsealing process does not need the staff to carry out the cutting of glass spare, has guaranteed user's safety when having improved the convenience of use.
Description
Technical Field
The utility model belongs to the technical field of detection sampling pipes, and particularly relates to a gas sampling adsorption pipe.
Background
In the workplace in the field of job hygiene, glycol belongs to chemical harmful factors, and in the process of environmental detection, sampling and detection, sampling adsorption tubes for collecting harmful substances in air are often used, and the sampling adsorption tubes are mainly used for collecting gaseous and vapor organic compounds; the sample of the ethylene glycol in the pollution source is generally sampled by a silica gel adsorption tube, methanol is used as volume for desorption after the sample is collected, and finally the concentration of the ethylene glycol in the waste gas is detected by a gas chromatography, so that the sampling adsorption tube is suitable for detecting the ethylene glycol in the field of environmental monitoring, and a reliable detection means is provided for emission standards of various industries;
Glass sealing is adopted at two ends of a sampling adsorption tube currently used, a small-sized grinding wheel is required to be used for carrying out sampling operation after cutting off and breaking the sealing ends of the adsorption tube in the sampling process, and after sampling is finished, the cutting ends at two ends are sleeved with plastic caps or PTEE caps for sealing and then brought back to a laboratory for processing analysis; in the process of cutting, operators are scratched by glass slag, and the use process and inconvenience are time-consuming and labor-consuming.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the gas sampling adsorption tube, wherein two openings are respectively used for detecting the entry and the discharge of gas, and the sealing layer is sealed to prevent the external gas from entering the inside of the sealing tube body, so that the tightness of the adsorption tube body is ensured, the whole unsealing process does not need the cutting of glass pieces by staff, the convenience of use is improved, and the safety of a user is ensured.
The technical scheme adopted by the utility model is as follows:
The utility model provides a gas sampling adsorption tube, includes the adsorption tube body, the both ends of adsorption tube body are provided with the opening respectively, and two openings all adopt the sealing layer to seal, the both ends of adsorption tube body can be dismantled respectively and are provided with the unsealing subassembly, unsealing subassembly is including the tip that is used for stabbing the sealing layer.
By adopting the technical scheme, the two openings are respectively used for detecting the entering and the discharging of the gas, the sealing layer is sealed, the outside gas is prevented from entering the inside of the sealing tube body, the tightness of the adsorption tube body is ensured, the whole unsealing process does not need the cutting of the glass piece by a worker, and the safety of a user is ensured while the convenience of use is improved.
Preferably, the unsealing assembly further comprises a sealing cover and a connecting rod, the sealing cover is detachably connected with the end part of the adsorption tube body, the pointed end is arranged at one end of the connecting rod, which is close to the sealing layer, and the connecting rod is movably connected with the sealing cover.
Preferably, the sealing cover is in threaded connection with the connecting rod, a first external thread is arranged on the connecting rod, and a first internal thread matched with the first external thread is arranged on the sealing cover.
By adopting the technical scheme, when in use, the connecting rod is rotated through the first external thread matched with the first internal thread, and the connecting rod can move relative to the sealing cover and the sealing layer to drive the pointed end to gradually approach until the sealing layer is punctured.
Preferably, the sealing cover is in threaded connection with the adsorption tube body, a second external thread is arranged on the adsorption tube, and a second internal thread matched with the second external thread is arranged on the sealing cover.
By adopting the technical scheme, the sealing cover and the adsorption tube body can be fixed by screwing the second external threads and the second internal threads, the sealing cover is convenient to serve as a base for connecting rod movement, the sealing cover is detached during sampling, and the sealing cover is connected with the adsorption tube body again after the sampling is finished, so that the secondary sealing effect is achieved.
Preferably, the connecting rod is further sleeved with a limiting piece, the limiting piece is arranged on the outer side of the sealing cover, a notch is formed in the limiting piece, and the distance from the limiting piece to the sealing cover is smaller than the distance from the tip to the sealing layer.
By adopting the technical scheme, the limiting piece can be clamped on the outer side of the sealing cover, so that the connecting rod is prevented from shifting relative to the sealing cover before use.
Preferably, a handle is arranged at one end of the connecting rod far away from the tip.
By adopting the technical scheme, the handle is convenient for a user to rotate the connecting rod.
Preferably, a plurality of glass wool are arranged in the adsorption tube body at intervals, and an adsorbent is filled between two adjacent glass wool.
By adopting the technical scheme, the glass wool is convenient for fixing the adsorbent so as to limit the adsorbent.
Preferably, the adsorbents are silica gel particles.
By adopting the technical scheme, the silica gel particles are used for adsorbing gaseous ethylene glycol.
Preferably, the sealing layer adopts a tinfoil paper sealing layer structure.
By adopting the technical scheme, the material of tinfoil paper is convenient for seal, is convenient for fix with the opening of adsorbing pipe body, thereby be convenient for the tip to stab and sample.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
The two openings are respectively used for detecting the entering and the discharging of the gas, the sealing layer is sealed, the outside gas is prevented from entering the sealing tube body, the sealing performance of the adsorption tube body is guaranteed, the whole unsealing process does not need the cutting of a glass piece by a worker, and the safety of a user is guaranteed while the convenience of use is improved.
Drawings
The utility model will now be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a schematic perspective view of a gas sampling adsorption tube according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a gas sampling adsorption tube according to the present utility model;
Fig. 3 is an enlarged schematic view of the portion a of fig. 1 according to the present utility model.
Reference numerals
1-An adsorption tube body; 2-sealing cover; 3-a handle; 4-limiting parts; 5-connecting rods; 6-a first external thread; 7-glass wool; 8-adsorbent; 9-pointed ends; 10-sealing layer.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. The components of the embodiments of the present application generally described and illustrated in the figures herein can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.
In describing embodiments of the present utility model, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is conventionally put in place when used, merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
The present utility model will be described in detail with reference to fig. 1 to 3.
1-2, Referring to the attached drawings, the gas sampling adsorption tube comprises an adsorption tube body 1, wherein openings are respectively formed at two ends of the adsorption tube body 1, the two openings are sealed by a sealing layer 10, unsealing components are respectively detachably arranged at two ends of the adsorption tube body 1, and each unsealing component comprises a pointed end 9 for puncturing the sealing layer 10; the two openings are respectively used for detecting the entering and the discharging of the gas, the sealing layer 10 is sealed, the outside gas is prevented from entering the inside of the sealing tube body, the tightness of the adsorption tube body 1 is guaranteed, the whole unsealing process does not need the cutting of glass pieces by workers, and the safety of a user is guaranteed while the convenience of use is improved.
In this embodiment, the unsealing assembly further comprises a sealing cover 2 and a connecting rod 5, the sealing cover 2 is detachably connected with the end part of the adsorption tube body 1, the pointed end 9 is arranged at one end of the connecting rod 5, which is close to the sealing layer 10, and the connecting rod 5 is movably connected with the sealing cover 2.
In this embodiment, the sealing cover 2 is in threaded connection with the connecting rod 5, a first external thread 6 is provided on the connecting rod 5, and a first internal thread matched with the first external thread 6 is provided on the sealing cover 2; when the sealing device is used, the connecting rod 5 is rotated, namely the first external thread 6 is matched with the first internal thread to rotate, the connecting rod 5 can move relative to the sealing cover 2 and the sealing layer 10, and the pointed head 9 is driven to gradually approach until the sealing layer 10 is punctured.
In this embodiment, the sealing cover 2 is in threaded connection with the adsorption tube body 1, a second external thread is provided on the adsorption tube, and a second internal thread matched with the second external thread is provided on the sealing cover 2; the sealing cover 2 and the adsorption tube body 1 can be fixed by screwing the second external threads and the second internal threads, the base which is convenient to move as the connecting rod 5 is taken down during sampling, and the adsorption tube body 1 is connected again after the sampling is finished, so that the effect of secondary sealing is achieved.
In this embodiment, referring to fig. 3, the connecting rod 5 is further sleeved with a limiting piece 4, the limiting piece 4 is disposed at the outer side of the sealing cover 2, a notch is disposed on the limiting piece 4, and the distance between the limiting piece 4 and the sealing cover 2 is smaller than the distance between the tip 9 and the sealing layer 10; the limiting piece 4 can be clamped on the outer side of the sealing cover 2, so that the connecting rod 5 is prevented from shifting relative to the sealing cover 2 before use.
In the embodiment, the end of the connecting rod 5 far away from the tip 9 is provided with a handle 3; the handle 3 facilitates the user to turn the connecting rod 5.
In this embodiment, a plurality of glass wool 7 are disposed in the adsorption tube body 1 at intervals, and an adsorbent 8 is filled between two adjacent glass wool 7; the glass wool 7 is convenient for fixing the adsorbent 8 so as to limit the adsorbent 8.
The number of glass wool 7 is three, so that two areas for filling the adsorbent 8 are formed, a sampling section and an indicator section, respectively.
In this embodiment, the adsorbents 8 are silica gel particles; silica gel particles are used to adsorb gaseous ethylene glycol.
Wherein the mass of the silica gel particles in the sampling section is 100mg; the mass of the silica gel particles of the indicated section was 50mg.
In this embodiment, the sealing layer 10 is a tin foil sealing layer 10; the material of tinfoil paper is convenient for seal, is convenient for fixed with the opening of adsorption tube body 1, thereby is convenient for tip 9 to stab and take a sample.
Working principle and using process:
The two openings are respectively used for detecting the entry and the discharge of the gas, the sealing layer 10 prevents the external gas from entering the inside of the sealing tube body after sealing, the tightness of the adsorption tube body 1 is ensured, and when the adsorption tube is used, the connecting rod 5 can move relative to the sealing cover 2 and the sealing layer 10 by rotating the connecting rod 5, namely the first external thread 6 is matched with the first internal thread to rotate, so that the pointed head 9 is driven to gradually approach until the sealing layer 10 is punctured; the whole unsealing process does not need staff to cut glass pieces, so that the convenience of use is improved, and the safety of a user is ensured.
It should be noted that:
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a gas sampling adsorption tube, includes adsorption tube body (1), its characterized in that, the both ends of adsorption tube body (1) are provided with the opening respectively, and two openings all adopt sealing layer (10) to seal, the both ends of adsorption tube body (1) can be dismantled respectively and are provided with the unsealing subassembly, unsealing subassembly is including tip (9) that are used for stabbing sealing layer (10).
2. A gas sampling adsorption tube according to claim 1 wherein the unsealing assembly further comprises a sealing cap (2) and a connecting rod (5), the sealing cap (2) is detachably connected with the end of the adsorption tube body (1), the pointed tip (9) is arranged at one end of the connecting rod (5) close to the sealing layer (10), and the connecting rod (5) is movably connected with the sealing cap (2).
3. A gas sampling adsorption tube according to claim 2 wherein the sealing cap (2) is in threaded connection with the connecting rod (5), a first external thread (6) is provided on the connecting rod (5), and a first internal thread which is matched with the first external thread (6) is provided on the sealing cap (2).
4. A gas sampling adsorption tube according to claim 2 wherein the sealing cap (2) is in threaded connection with the adsorption tube body (1), a second external thread is provided on the adsorption tube, and a second internal thread matched with the second external thread is provided on the sealing cap (2).
5. The gas sampling adsorption tube according to claim 2, wherein the connecting rod (5) is further sleeved with a limiting piece (4), the limiting piece (4) is arranged on the outer side of the sealing cover (2), a notch is formed in the limiting piece (4), and the distance from the limiting piece (4) to the sealing cover (2) is smaller than the distance from the tip (9) to the sealing layer (10).
6. A gas sampling adsorption tube according to claim 2 wherein the end of the connecting rod (5) remote from the tip (9) is provided with a handle (3).
7. A gas sampling adsorption tube according to any one of claims 2-6 wherein a plurality of glass wool (7) are arranged in the adsorption tube body (1) at intervals, and an adsorbent (8) is filled between two adjacent glass wool (7).
8. A gas sampling adsorption tube according to claim 7 wherein said adsorbents (8) are silica gel particles.
9. A gas sampling adsorption tube according to claim 8 wherein the sealing layer (10) is of a tinfoil sealing layer (10) construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323092703.5U CN221351343U (en) | 2023-11-16 | 2023-11-16 | Gas sampling adsorption tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323092703.5U CN221351343U (en) | 2023-11-16 | 2023-11-16 | Gas sampling adsorption tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221351343U true CN221351343U (en) | 2024-07-16 |
Family
ID=91826853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323092703.5U Active CN221351343U (en) | 2023-11-16 | 2023-11-16 | Gas sampling adsorption tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221351343U (en) |
-
2023
- 2023-11-16 CN CN202323092703.5U patent/CN221351343U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |