CN220380834U - Portable gas sampling absorption tube - Google Patents
Portable gas sampling absorption tube Download PDFInfo
- Publication number
- CN220380834U CN220380834U CN202322023987.6U CN202322023987U CN220380834U CN 220380834 U CN220380834 U CN 220380834U CN 202322023987 U CN202322023987 U CN 202322023987U CN 220380834 U CN220380834 U CN 220380834U
- Authority
- CN
- China
- Prior art keywords
- absorption tube
- absorption
- tube
- tube body
- cap
- 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.)
- Active
Links
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 99
- 238000005070 sampling Methods 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 210000005239 tubule Anatomy 0.000 claims description 6
- 239000007788 liquid Substances 0.000 abstract description 31
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007306 turnover Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 24
- 239000006096 absorbing agent Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000005338 frosted glass Substances 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a portable gas sampling absorption tube, which comprises an absorption tube body and an air inlet and outlet mechanism, wherein the absorption tube body is columnar, an absorption cavity is arranged in the absorption tube body, the top end of the absorption tube body is open, and the bottom end of the absorption tube body is a plane; the business turn over gas mechanism includes lid, intake pipe and outlet duct, and lid and absorption pipe body top detachable sealing connection, the intake pipe runs through the lid and sets up along the axis of lid, and the outlet duct sets up on the lid, and the one end and the interior cavity intercommunication of lid of outlet duct, the other end of outlet duct extend to outside the lid. The technical effects achieved are as follows: the cover cap is detachably connected with the top end of the absorption tube body in a sealing way, so that the sealing performance can be effectively ensured, and air leakage or liquid leakage in the using process can be prevented; the absorption tube body is columnar, the bottom end of the absorption tube body is a plane, a fixing frame is not needed during use, the whole gas sampling absorption tube can be automatically and stably placed on a table top, and the absorption tube is not easy to topple over and is safer and more convenient to use.
Description
Technical Field
The utility model relates to the technical field of gas absorbing appliances, in particular to a portable gas sampling absorbing tube.
Background
The traditional gas sampling tube generally comprises two parts of a glass inner tube and an outer tube, a sample injection, buffering and absorption integrated gas collecting device is formed by connecting a top gas inlet, the interface of the inner tube and the outer tube is standard frosted glass, the lower part of the outer tube is reduced, the liquid column of the absorption liquid is increased, the contact time of air and the absorption liquid is prolonged, and the expansion of the upper part can avoid splashing of the absorption liquid during sampling. However, the interface structure has the defects that the air tightness of the sampling tube is reduced due to glass abrasion after multiple uses, air leakage and liquid leakage are easy to occur in the sampling and transportation processes, and a liquid sample in the tube can be polluted; in addition, the reduced structure of the lower part of the outer tube of the sampling tube needs to use a fixing frame during sampling so as to prevent the sampling tube from toppling over during sampling, and inconvenience is brought to the transportation and actual operation of the sample.
Disclosure of Invention
Accordingly, the present utility model is directed to a portable gas sampling absorber that overcomes the above-mentioned problems of the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
according to a first aspect of the utility model, a portable gas sampling absorption tube comprises an absorption tube body and an air inlet and outlet mechanism, wherein the absorption tube body is columnar, an absorption cavity is arranged in the absorption tube body, the top end of the absorption tube body is open, and the bottom end of the absorption tube body is a plane;
the air inlet and outlet mechanism comprises a cover cap, an air inlet pipe and an air outlet pipe, wherein the cover cap is detachably connected with the top end of the absorption pipe body in a sealing mode, the air inlet pipe penetrates through the cover cap and is arranged along the axis of the cover cap, the air outlet pipe is arranged on the cover cap, one end of the air outlet pipe is communicated with the inner cavity of the cover cap, and the other end of the air outlet pipe extends out of the cover cap.
Further, the top end of the absorption tube body is provided with external threads, and the cap is in threaded connection with the top end of the absorption tube body.
Further, a sealing ring is arranged in the cap.
Further, the absorption cavity comprises a buffer cavity and a liquid storage cavity, the buffer cavity is located above the liquid storage cavity, the buffer cavity is communicated with the liquid storage cavity, and the diameter of the buffer cavity is larger than that of the liquid storage cavity.
Further, the air inlet pipe comprises an air inlet thick pipe, a connecting pipe and an air inlet thin pipe, the air inlet thick pipe penetrates through the cover cap, the top end of the air inlet thick pipe extends to the outside of the cover cap, the connecting pipe is a reducing pipe, two ends of the connecting pipe are respectively connected with the bottom end of the air inlet thick pipe and the top end of the air inlet thin pipe, and the inner diameter of the air inlet thick pipe is larger than that of the air inlet thin pipe.
Further, the inner diameter of the air inlet thin pipe is one third to five times of the inner diameter of the air inlet thick pipe
Further, the top of block is equipped with the end cover, the end cover with the block is coaxial, cavity in the end cover with cavity in the block communicates, the one end of outlet duct with the end cover is connected, the outlet duct with cavity in the end cover communicates, the outlet duct is along being perpendicular to the direction setting of end cover axis.
Further, the end cap is integrally formed with the cap.
Further, the absorption tube body is cylindrical.
Further, the absorber tube body is transparent.
The utility model has the following advantages: the cover cap is detachably connected with the top end of the absorption tube body in a sealing way, so that the sealing performance can be effectively ensured, and air leakage or liquid leakage in the using process can be prevented; the absorption tube body is columnar, the bottom end of the absorption tube body is a plane, a fixing frame is not needed during use, the whole gas sampling absorption tube can be automatically and stably placed on a table top, and the absorption tube is not easy to topple over and is safer and more convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the scope of the utility model.
Fig. 1 is a schematic diagram of an overall structure of a portable gas sampling absorption tube according to some embodiments of the present utility model.
Fig. 2 is a schematic structural diagram of an air inlet and outlet mechanism of a portable air sampling and absorbing tube according to some embodiments of the present utility model.
Fig. 3 is a schematic structural diagram of an absorption tube body of a portable gas sampling absorption tube according to some embodiments of the present utility model.
In the figure: 1. the absorbing tube comprises an absorbing tube body, 2, a cap, 3, an air inlet tube, 4, an air outlet tube, 5, an end cover, 6, an air inlet thick tube, 7, a connecting tube, 8, an air inlet thin tube, 9, a buffer cavity, 10, a liquid storage cavity, 11 and external threads.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 3, a portable gas sampling absorption tube according to an embodiment of the first aspect of the present utility model includes an absorption tube body 1 and an air inlet and outlet mechanism, the absorption tube body 1 is columnar, specifically, the absorption tube body 1 is columnar or prismatic; an absorption cavity is arranged in the absorption tube body 1, the top end of the absorption tube body 1 is open, and the bottom end of the absorption tube body 1 is a plane;
the business turn over gas mechanism includes block 2, intake pipe 3 and outlet duct 4, and block 2 and absorber body 1 top detachably sealing connection, and intake pipe 3 runs through block 2 and sets up along the axis of block 2, and outlet duct 4 sets up on block 2, and the one end and the block 2 cavity intercommunication of outlet duct 4, and the other end of outlet duct 4 extends to outside block 2, and intake pipe 3 and outlet duct 4 are cylindrical.
In this embodiment, it should be noted that, the absorption cavity includes a buffer cavity 9 and a liquid storage cavity 10, the buffer cavity 9 is located above the liquid storage cavity 10, the buffer cavity 9 is communicated with the liquid storage cavity 10, the specific distance between the end of the liquid storage cavity 10 and the bottom end of the absorption tube body 1 is 3mm to 5mm, the diameter of the buffer cavity 9 is larger than that of the liquid storage cavity 10, specifically, the diameter of the buffer cavity 9 is 3 times to five times that of the liquid storage cavity 10, the diameter of the liquid storage cavity 10 at the bottom of the absorption cavity is small, so that the liquid column of the absorption liquid under the same volume is higher, the contact time of gas and the absorption liquid can be increased, and the absorption effect is improved; the diameter of the buffer cavity 9 at the top of the absorption cavity is large, so that the absorption liquid can be prevented from splashing in the absorption sampling process.
Further, the absorbing tube body 1 is transparent, specifically, the absorbing tube body 1 may be made of transparent glass, so that the internal condition (how much absorbing liquid is, the amount of air intake, etc.) of the absorbing tube body 1 can be observed in the use process, and when in use, the absorbing tube body 1 may also be made of dark-colored light-resistant material (such as brown glass) for some gases needing light-resistant absorption; scale marks are arranged on the outer side wall of the absorption tube body 1, so that the volume of absorption liquid in the absorption tube body 1 can be indicated.
The technical effects achieved by the embodiment are as follows: the cap 2 is detachably connected with the top end of the absorption tube body 1 in a sealing way, so that the sealing performance can be effectively ensured, and air leakage or liquid leakage in the using process can be prevented; the absorption tube body 1 is columnar, the bottom of the absorption tube body 1 is a plane, a fixing frame is not needed during use, the whole gas sampling absorption tube can be automatically and stably placed on a table top, and is not easy to topple over, so that the use is safer and more convenient.
Example 2
As shown in fig. 1 to 3, another portable gas sampling absorption tube according to this embodiment is provided, and the structure thereof includes the whole contents of embodiment 1, and only different parts will be described below.
In this embodiment, the top end of the absorber tube body 1 is provided with an external thread 11, and the cap 2 is screwed to the top end of the absorber tube body 1.
In this embodiment, it should be noted that, the sealing ring is disposed in the cap 2, so that the tightness of connection between the cap 2 and the absorbing tube body 1 can be further ensured, and the cap 2, the air inlet tube 3, the air outlet tube 4 and the sealing ring are all made of corrosion-resistant materials.
Further, the specific usage mode of the whole gas sampling absorption tube is as follows, firstly, a proper amount of absorption liquid is added into the absorption tube body 1, then the cap 2 is installed on the absorption tube body 1, at the moment, the bottom end of the air inlet tube 3 is positioned in the absorption liquid in the absorption tube body 1, then the air inlet tube 3 is connected with an air source pipeline to be absorbed, the air outlet tube 4 is communicated with a tail gas treatment pipeline, and then specific components in gas can be absorbed and sampled.
The technical effects achieved by the embodiment are as follows: the cap 2 is in threaded connection with the top end of the absorption tube body 1, is assembled and disassembled in the use process, can ensure that the sealing connection performance is good after being used for many times, is better than the tightness of the ground glass structure, and can ensure that gas in the storage is not leaked in the sampling and transportation processes.
Example 3
As shown in fig. 1 to 3, another portable gas sampling absorption tube according to this embodiment is provided, and the structure thereof includes the whole contents of embodiment 1, and only different parts will be described below.
In this embodiment, the air inlet pipe 3 includes an air inlet thick pipe 6, a connecting pipe 7 and an air inlet thin pipe 8, the air inlet thick pipe 6 penetrates through the cap 2, the top end of the air inlet thick pipe 6 extends out of the cap 2, the connecting pipe 7 is a reducer pipe, two ends of the connecting pipe 7 are respectively connected with the bottom end of the air inlet thick pipe 6 and the top end of the air inlet thin pipe 8, the inner diameter of the air inlet thick pipe 6 is larger than the inner diameter of the air inlet thin pipe 8, and the air inlet thick pipe 6, the connecting pipe 7 and the air inlet thin pipe 8 are integrally formed.
In the present embodiment, it is to be noted that the inner diameter of the air intake tubule 8 is one third to one fifth of the inner diameter of the air intake tubule 6, specifically, the inner diameter of the air intake tubule 8 may be set to one third, one fourth, or one fifth of the inner diameter of the air intake tubule 6.
The technical effects achieved by the embodiment are as follows: the internal diameter of the air inlet thick pipe 6 is larger than the internal diameter of the air inlet thin pipe 8, and the air inlet thin pipe 8 is arranged, so that the size of air bubbles after air inlet enters the absorption liquid can be reduced, the number of the air bubbles is increased, the contact area between the air inlet and the absorption liquid is increased, and the gas absorption efficiency is improved.
Example 4
As shown in fig. 1 to 3, another portable gas sampling absorption tube according to this embodiment is provided, and the structure thereof includes the whole contents of embodiment 1, and only different parts will be described below.
In this embodiment, the top of the cap 2 is provided with an end cover 5, the end cover 5 is coaxial with the cap 2, i.e. the end cover 5 is disposed at the center of the top of the cap 2, the cavity in the end cover 5 is communicated with the cavity in the cap 2, one end of the air outlet pipe 4 is connected with the end cover 5, the air outlet pipe 4 is communicated with the cavity in the end cover 5, and the air outlet pipe 4 is disposed along the direction perpendicular to the axis of the end cover 5, so that the air outlet pipe 4 is also perpendicular to the air inlet pipe 3.
In the present embodiment, the end cap 5 is integrally formed with the cap 2.
The technical effects achieved by the embodiment are as follows: through setting up end cover 5, can be convenient for install outlet duct 4, make simultaneously that it is perpendicular to intake pipe 3 to go out air duct 4 to be convenient for install the admission line and go out the air duct.
While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.
The terms such as "upper", "lower", "left", "right", "middle" and the like are also used in the present specification for convenience of description, but are not intended to limit the scope of the present utility model, and the changes or modifications of the relative relationship thereof are considered to be within the scope of the present utility model without substantial modification of the technical content.
Claims (10)
1. The portable gas sampling absorption tube is characterized by comprising an absorption tube body (1) and an air inlet and outlet mechanism, wherein the absorption tube body (1) is columnar, an absorption cavity is arranged in the absorption tube body (1), the top end of the absorption tube body (1) is open, and the bottom end of the absorption tube body (1) is a plane;
the air inlet and outlet mechanism comprises a cover cap (2), an air inlet pipe (3) and an air outlet pipe (4), wherein the cover cap (2) is in detachable sealing connection with the top end of the absorption pipe body (1), the air inlet pipe (3) penetrates through the cover cap (2) and is arranged along the axis of the cover cap (2), the air outlet pipe (4) is arranged on the cover cap (2), one end of the air outlet pipe (4) is communicated with an inner cavity of the cover cap (2), and the other end of the air outlet pipe (4) extends out of the cover cap (2).
2. A portable gas sampling absorption tube according to claim 1, wherein the top end of the absorption tube body (1) is provided with an external thread (11), and the cap (2) is in threaded connection with the top end of the absorption tube body (1).
3. A portable gas sampling absorption tube according to claim 2, wherein a sealing ring is provided in the cap (2).
4. A portable gas sampling absorption tube according to claim 1, wherein the absorption chamber comprises a buffer chamber (9) and a reservoir chamber (10), the buffer chamber (9) is located above the reservoir chamber (10), the buffer chamber (9) is in communication with the reservoir chamber (10), and the diameter of the buffer chamber (9) is larger than the diameter of the reservoir chamber (10).
5. The portable gas sampling absorption tube according to claim 1, wherein the gas inlet tube (3) comprises a gas inlet rough tube (6), a connecting tube (7) and a gas inlet thin tube (8), the gas inlet rough tube (6) penetrates through the cap (2), the top end of the gas inlet rough tube (6) extends out of the cap (2), the connecting tube (7) is a reducing tube, two ends of the connecting tube (7) are respectively connected with the bottom end of the gas inlet rough tube (6) and the top end of the gas inlet thin tube (8), and the inner diameter of the gas inlet rough tube (6) is larger than the inner diameter of the gas inlet thin tube (8).
6. A portable gas sampling absorption tube according to claim 5, wherein the inner diameter of the inlet tubule (8) is one third to one fifth of the inner diameter of the inlet tubule (6).
7. The portable gas sampling absorption tube according to claim 1, wherein an end cover (5) is arranged at the top of the cap (2), the end cover (5) is coaxial with the cap (2), a cavity in the end cover (5) is communicated with a cavity in the cap (2), one end of the gas outlet tube (4) is connected with the end cover (5), the gas outlet tube (4) is communicated with the cavity in the end cover (5), and the gas outlet tube (4) is arranged along a direction perpendicular to the axis of the end cover (5).
8. A portable gas sampling absorption tube according to claim 7, wherein the end cap (5) is integrally formed with the cap (2).
9. A portable gas sampling absorption tube according to claim 1, wherein the absorption tube body (1) is cylindrical.
10. A portable gas sampling absorption tube according to claim 1, wherein the absorption tube body (1) is transparent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322023987.6U CN220380834U (en) | 2023-07-31 | 2023-07-31 | Portable gas sampling absorption tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322023987.6U CN220380834U (en) | 2023-07-31 | 2023-07-31 | Portable gas sampling absorption tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220380834U true CN220380834U (en) | 2024-01-23 |
Family
ID=89560264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322023987.6U Active CN220380834U (en) | 2023-07-31 | 2023-07-31 | Portable gas sampling absorption tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220380834U (en) |
-
2023
- 2023-07-31 CN CN202322023987.6U patent/CN220380834U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220380834U (en) | Portable gas sampling absorption tube | |
| CN203253452U (en) | Double-layer volatile toxic reagent dedicated reagent bottle | |
| CN203307880U (en) | Water storing device for experiment | |
| CN109100386A (en) | A kind of quartz ampoule air remover for business EPR/ESR | |
| CN201503412U (en) | Capillary tube flushing and sampling double-purpose device | |
| CN210090118U (en) | Portable formaldehyde sampling suck-back-proof screw absorbing tube | |
| CN207913804U (en) | A kind of novel rubber pipette bulb | |
| CN209596365U (en) | A kind of humidification bottle of low noise | |
| CN2715135Y (en) | Passive HTO sampler | |
| CN103091256A (en) | Sealing reagent supply system | |
| CN203148831U (en) | Sealing reagent supply system | |
| CN201168610Y (en) | Short neck horn-shaped flared measuring flask | |
| CN203874645U (en) | Absorption bottle device for experimental tail gas in laboratory | |
| CN217954245U (en) | Indoor air formaldehyde detects absorption liquid business turn over device | |
| CN209589825U (en) | A kind of splashproof cuvette | |
| CN206300959U (en) | A kind of metering device of hydride generator | |
| CN208109514U (en) | A kind of portable formaldehyde sampling screw socket absorption tube | |
| CN201040713Y (en) | Device for containing liquid | |
| CN208350821U (en) | A kind of Moisture Meter sampling device | |
| CN220520270U (en) | Ozone reaction tank | |
| CN216440667U (en) | Flask and sampling flask plug thereof | |
| CN220418934U (en) | Air sampling and storing device | |
| CN217845753U (en) | Efficient-absorption bubble absorption tube | |
| CN205118660U (en) | Carbon dioxide storage tank is used in consumption alcohol preparation | |
| CN216078696U (en) | Liquid suction pipe fastening connection structure and quantitative device of chemical oxygen demand detector in water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |