CN220322844U - Activated carbon sampling tube - Google Patents
Activated carbon sampling tube Download PDFInfo
- Publication number
- CN220322844U CN220322844U CN202321976900.0U CN202321976900U CN220322844U CN 220322844 U CN220322844 U CN 220322844U CN 202321976900 U CN202321976900 U CN 202321976900U CN 220322844 U CN220322844 U CN 220322844U
- Authority
- CN
- China
- Prior art keywords
- activated carbon
- sealing cap
- pipe body
- cap
- glass wool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000005070 sampling Methods 0.000 title claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 239000011491 glass wool Substances 0.000 claims abstract description 32
- 238000009423 ventilation Methods 0.000 claims abstract description 19
- 239000003463 adsorbent Substances 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 16
- 231100000614 poison Toxicity 0.000 abstract description 7
- 239000003440 toxic substance Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- OKTJSMMVPCPJKN-IGMARMGPSA-N Carbon-12 Chemical compound [12C] OKTJSMMVPCPJKN-IGMARMGPSA-N 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000003795 desorption Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Abstract
The utility model relates to the technical field of sampling devices, in particular to an activated carbon sampling tube, which comprises an air vent A, wherein the top of the air vent A is connected with one end of a sealing cap in an inserted mode, the top of the sealing cap is sleeved with a first rubber cap, the bottom of the air vent A is fixedly connected with a tube body A, the top of the tube body A is attached with rubber gaskets, the upper end and the lower end of the interior of the tube body A are respectively provided with a first ventilation gasket, two similar surfaces of the first ventilation gaskets are respectively attached with first glass wool, first activated carbon is filled between the first glass wool, one end of the tube body A is connected with one end of the tube body B through threads, the improved sampling device is detachable between the tube bodies, convenient to operate and detect, a new solid adsorbent can be replaced, toxic substances in a sample can be adsorbed by the internal activated carbon, the sealing cap and the rubber cap are sleeved and covered after the air vent is connected.
Description
Technical Field
The utility model relates to the technical field of sampling devices, in particular to an activated carbon sampling tube.
Background
The activated carbon sampling tube can collect a plurality of poisons such as benzene, toluene, dimethylbenzene, butadiene, methyl iodide, methane, pyridine, trichloroethane, cyclohexane, ethylbenzene and the like, generally has two types, namely carbon disulfide desorption type and thermal desorption type, and has the advantages of convenient and quick sampling, strong absorption capacity, high data accuracy, low cost and convenient field sampling and carrying.
When the activated carbon sampling tube is used, the two ends of the sampling tube are opened by a small grinding wheel at a sampling point, the offset end of the activated carbon is connected with a sample, the air inlet of the sampler is connected, then the flow and the sampling time of the sampler are adjusted according to the requirement to start sampling, after sampling, the two ends of the sampling tube are sealed by a plastic cover, and the sampling tube is carried back to be processed and analyzed in a thermal desorption furnace of a laboratory or carried back to be analyzed by a meteorological chromatograph of the laboratory.
The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: 1. when a worker samples, a small grinding wheel is used for opening two ends of the sampling tube at a sampling point, a certain working experience is needed, and hands are easily scratched during operation; 2. when the user samples with the activated carbon sampling pipe, the small grinding wheel can not be carried at any time, the sampling pipe is divided into a front section and a rear section, and when the analysis result is finished, the rear section of the sampling pipe is required to be cut again to take out the solid adsorbent in the sampling pipe, so that the operation process is complex and the solid adsorbent can not be reused.
Disclosure of Invention
The utility model aims to provide an activated carbon sampling tube, which aims to solve the problems that a small grinding wheel is needed to open two ends of the sampling tube at a sampling point when a worker samples in the background technology, the worker is easy to scratch hands during operation, the worker cannot carry the small grinding wheel at any time when sampling by using the activated carbon sampling tube, and the worker needs to cut the rear section of the sampling tube again to take out solid adsorbent in the sampling tube when the analysis result is sampled, so that the operation process is complicated and the solid adsorbent cannot be reused. In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an active carbon sampling tube, includes vent A, peg graft between vent A's top and the one end of first sealing cap, first sealing cap's top has cup jointed first rubber cap, vent A's bottom fixedly connected with body A, body A's top laminating has the rubber packing ring, body A's inside upper and lower both ends all are equipped with first ventilative gasket, two similar surfaces of first ventilative gasket laminate respectively has first glass cotton, it has first active carbon to fill between the first glass cotton, adopt threaded connection between body A's one end and the body B, both ends all are equipped with the second ventilative gasket about body B inside, two similar surfaces of second ventilative gasket laminate respectively have the second glass cotton, it has the rubber packing ring to fill between the second glass cotton, body B's bottom laminating has the rubber packing ring, between vent B's bottom and the second sealing cap one end, the second sealing cap's bottom cup joints the second glass.
Further preferably, the first sealing cap and the second sealing cap respectively form an inserting structure with the air port A and the air port B.
Further preferably, the surfaces of the first ventilation gasket and the second ventilation gasket are provided with a plurality of ventilation holes.
Further preferably, a limiting structure is formed between the first glass wool and the second glass wool and between the first glass wool and the pipe body A and between the second glass wool and the pipe body B.
Further preferably, the first activated carbon and the second activated carbon are both solid adsorbents.
Further preferably, the pipe body A and the pipe body B are detachably connected through threads.
Further preferably, the first rubber cap and the second rubber cap and the first sealing cap and the second sealing cap form a sealing structure.
Compared with the prior art, the utility model has the beneficial effects that:
in the utility model, toxic substances in the sampled gas can be contacted with the internal activated carbon through the ventilation holes on the surfaces of the first ventilation gasket and the second ventilation gasket, because the first activated carbon and the second activated carbon are solid adsorbents, the first activated carbon and the second activated carbon can be used as the solid adsorbents to effectively adsorb the toxic substances in the gas or the liquid, and a limiting structure is formed between the first glass wool and the second glass wool and between the first glass wool and the pipe body A and between the first glass wool and the second glass wool of the pipe body B, so that the activated carbon between the first glass wool and the second glass wool can be prevented from falling down, and the first glass wool and the second glass wool are fixed, so that the collected substances can be prevented from moving randomly.
According to the utility model, the first sealing cap and the second sealing cap which are convenient to detach are inserted into the top ends of the air vent A and the air vent B respectively, sampling gas can be temporarily stored in the pipe, the first rubber cap and the second rubber cap are sleeved and covered when the sealing caps are inserted into the air vent, gas leakage can be effectively prevented, a sealing structure is formed, the integral tightness of the sampling pipe is ensured, the pipe body A and the pipe body B are connected by adopting detachable threads, the disassembly and the assembly of a user during sampling and detection are convenient, the solid adsorbent in the pipe can be taken out for replacement, the sampling pipe is reused, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 2 is a schematic diagram of the front view of the present utility model in full section;
fig. 3 is a schematic diagram of the front view structure of the present utility model.
In the figure: 1. a first rubber cap; 2. a first sealing cap; 3. a vent A; 4. a rubber gasket; 5. a pipe body A; 6. a first air-permeable gasket; 7. a first glass wool; 8. a first activated carbon; 9. a pipe body B; 10. a second air-permeable gasket; 11. a second glass wool; 12. a second activated carbon; 13. a vent B; 14. a second sealing cap; 15. and a second rubber cap.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.
Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides an active carbon sampling tube, including the air vent A3, peg graft between the one end of air vent A3's top and first sealed cap 2, first sealed cap 1 has been cup jointed at the top of first sealed cap 2, the bottom fixedly connected with body A5 of air vent A3, the top laminating of body A5 has rubber gasket 4, both ends all are equipped with first ventilative gasket 6 about the inside of body A5, two similar surfaces of first ventilative gasket 6 laminate respectively and have first glass wool 7, it has first active carbon 8 to fill between the first glass wool 7, adopt threaded connection between one end of body A5 and the body B9, both ends all are equipped with second ventilative gasket 10 about the inside of body B9, two similar surfaces of second ventilative gasket 10 laminate respectively and have second glass wool 11, it has second active carbon 12 to fill between the second glass wool 11, the bottom of body B9 is laminated with rubber gasket 4, between the bottom of body B13 and the second sealed cap 14 one end, peg graft the second sealed cap 15 has between the bottom of second sealed cap 14.
In this embodiment, as shown in fig. 1, the first sealing cap 2 and the second sealing cap 14 respectively form an inserting structure with the air port A3 and the air port B13; the first sealing cap 2 and the second sealing cap 14 are inserted into the top ends of the air vent A3 and the air vent B13, so that the sampled gas can be temporarily stored in the tube, and the sampled gas can be conveniently detached during sampling.
In this embodiment, as shown in fig. 1, the surfaces of the first ventilation pad 6 and the second ventilation pad 10 are provided with a plurality of ventilation holes; toxic substances in the sampling gas can contact with the solid adsorbent activated carbon inside through the surface ventilation holes of the two ventilation gaskets.
In this embodiment, as shown in fig. 1, a limiting structure is formed between the first glass wool 7 and the second glass wool 11 and between the pipe body A5 and the pipe body B9; the two pieces of glass wool respectively prevent the activated carbon filled between the two pieces of glass wool from falling off and fix the positions, so that the collected substances are prevented from moving randomly.
In this embodiment, as shown in fig. 1, both the first activated carbon 8 and the second activated carbon 12 are solid adsorbents; the first activated carbon 8 and the second activated carbon 12 can effectively adsorb toxic substances in gas or liquid as solid adsorbents.
In this embodiment, as shown in fig. 1, a detachable threaded connection is adopted between the pipe body A5 and the pipe body B9; the pipe body A5 and the pipe body B9 are in threaded connection, so that a user can detach and install the pipe body during sampling and detection, the operation process is simple, the solid adsorbent in the pipe can be taken out and replaced, the sampling pipe is recycled, and the cost is reduced.
In this embodiment, as shown in fig. 1, a sealing structure is formed between the first rubber cap 1 and the second rubber cap 15 and between the first sealing cap 2 and the second sealing cap 14; the first rubber cap 1 and the second rubber cap 15 are sleeved and covered when the sealing cap is inserted into the vent hole, so that gas leakage can be effectively prevented, and the overall tightness of the sampling tube is ensured.
The application method and the advantages of the utility model are as follows: the active carbon sampling tube is used in the following working process:
as shown in fig. 1, fig. 2 and fig. 3, firstly, a user removes the first rubber cap 1 and opens the corresponding first sealing cap 2 in the operation process, so that the vent A3 is in communication contact with a sample, the sample air flow enters the pipe body A5 through the vent A3 and sequentially passes through the first air-permeable gasket 6 and the first glass wool 7 and then enters the first activated carbon 8, toxic substances in the collected sample can be adsorbed and retained due to the property of the solid adsorbent, and likewise, when the sample air flow enters the pipe body B9 downwards through the vent B13, the steps are repeated, the sample air flow sequentially passes through the second air-permeable gasket 10 and the second glass wool 11 and is adsorbed in the second activated carbon 12, the first sealing cap 2 and the second sealing cap 14 are covered and respectively sleeved with the first rubber cap 1 and the second rubber cap 15 after the sampling is finished, the tightness is ensured due to the detachable threaded connection between the pipe body A5 and the pipe body B9, and the two pipe bodies can be easily separated during the detection, and the sample air flow can be respectively desorbed and reused after the solid adsorbent is repeatedly analyzed.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. An activated carbon sampling tube comprises a vent A (3), and is characterized in that: the utility model discloses a sealing device for the air inlet of the air conditioner, which comprises a vent A (3), a first sealing cap (2), a first rubber cap (1) is sleeved on the top of the first sealing cap (2), a pipe body A (5) is fixedly connected to the bottom of the vent A (3), rubber gaskets (4) are attached to the top of the pipe body A (5), first ventilation gaskets (6) are arranged at the upper and lower ends of the inside of the pipe body A (5), first glass wool (7) are attached to two similar surfaces of the first ventilation gaskets (6) respectively, first activated carbon (8) is filled between the first glass wool (7), a second ventilation gaskets (10) are arranged at the upper and lower ends of the inside of the pipe body B (9), second activated carbon (12) is filled between the second glass wool (11), a sealing cap (13) is attached to the bottom of the pipe body B (9), and a sealing cap (13) is attached to the bottom of the pipe body B (13), the bottom of the second sealing cap (14) is sleeved with a second rubber cap (15).
2. The activated carbon sampling tube of claim 1, wherein: and the first sealing cap (2) and the second sealing cap (14) respectively form an inserting structure with the air port A (3) and the air port B (13).
3. The activated carbon sampling tube of claim 1, wherein: the surfaces of the first ventilation gasket (6) and the second ventilation gasket (10) are provided with a plurality of ventilation holes.
4. The activated carbon sampling tube of claim 1, wherein: and limiting structures are formed between the first glass wool (7) and the second glass wool (11) and the pipe body A (5) and the pipe body B (9).
5. The activated carbon sampling tube of claim 1, wherein: the first activated carbon (8) and the second activated carbon (12) are both solid adsorbents.
6. The activated carbon sampling tube of claim 1, wherein: the pipe body A (5) and the pipe body B (9) are detachably connected through threads.
7. The activated carbon sampling tube of claim 1, wherein: sealing structures are formed between the first rubber cap (1) and the second rubber cap (15) and between the first sealing cap (2) and the second sealing cap (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321976900.0U CN220322844U (en) | 2023-07-26 | 2023-07-26 | Activated carbon sampling tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321976900.0U CN220322844U (en) | 2023-07-26 | 2023-07-26 | Activated carbon sampling tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220322844U true CN220322844U (en) | 2024-01-09 |
Family
ID=89425899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321976900.0U Active CN220322844U (en) | 2023-07-26 | 2023-07-26 | Activated carbon sampling tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220322844U (en) |
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2023
- 2023-07-26 CN CN202321976900.0U patent/CN220322844U/en active Active
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