CN1304828C - Bubble absorption tube - Google Patents
Bubble absorption tube Download PDFInfo
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- CN1304828C CN1304828C CNB2004100581580A CN200410058158A CN1304828C CN 1304828 C CN1304828 C CN 1304828C CN B2004100581580 A CNB2004100581580 A CN B2004100581580A CN 200410058158 A CN200410058158 A CN 200410058158A CN 1304828 C CN1304828 C CN 1304828C
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- tube
- pipe
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- absorption
- absorption tube
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Abstract
The present invention discloses a gas bubble absorption tube which is composed of an absorption tube, a sample collection tube and a spring clamp, wherein the absorption tube is formed by connecting an outer tube, a middle tube and an inner tube into a whole through a gas inlet at the top end to form the gas bubble absorption tube integrating sample introduction, buffering and absorption; the tube wall of the outer tube, the tube wall of the middle tube and the lower end of the inner pipe are respectively provided with a gas outlet; the gas outlet at the lower end of the inner tube is provided with the sample collection tube, and the inner wall of the mouth of the collecting tube is provided with a frosting surface which is tightly combined with the frosting surface at the lower end of the outer tube; the external edge of the mouth of the collecting tube is also provided with an annular bayonet which is fixed to a spring fixing bolt at the lower end of the outer tube through the spring clamp and is connected with the sample collection tube. The gas bubble absorption tube of the present invention is used for absorbing gas samples and enriching new gas bubbles, and samples to be tested are enriched and extracted by the gas bubble absorption tube which is used for quantitatively collecting on-site or laboratory gas samples.
Description
Technical field
The present invention relates to a kind of sample introduction, buffering and absorption integrated small-sized bubble absorption tube, be specifically related to a kind of bubble absorption tube that is used for scene or laboratory air sample extraction, collection.
Background technology
Current, miniaturization, intellectuality, scene are important development directions of analytical instrument.Particularly requisite supporting simple and directization, operation, easy to carryization that structure is set of chemical analysis instrument also is current sciemtifec and technical sphere and the important development trend of the market demand.
Traditional bubble absorption plant structure as shown in Figure 5, draft tube 100 can be inserted in the absorption tube 200, is connected by ground 150 between draft tube 100 and the absorption tube 200, draft tube 100 can freely be taken out from absorption tube 200.201 places, gas outlet at absorption tube 200 connect separator tube 400 by silicone tube 300, and separator tube 400 sets out gas port 401 again and is connected to sampling thief.This bubble absorption plant parts are more, complex structure, troublesome poeration during use.
Up to now, do not see as yet sample introduction, cushion and be absorbed as the report of the bubble absorption tube of one.
The content of invention
The purpose of this invention is to provide a kind of new bubble absorption tube, cooperate air sampler to use, be used for extraction and collection that air sample is carried out in scene or laboratory.
For achieving the above object, the present invention adopts following design proposal:
The bubble absorption tube that is used for gaseous sample absorption, enrichment provided by the invention comprises absorption tube and sample collection tube, and described absorption tube is an one by outer tube, middle pipe, interior pipe box dress, and described sample collection tube and the driving fit of absorption tube outer tube are stretched out in wherein interior pipe two ends.The outer wall of the interior pipe air intake opening of its middle external tube top and interior pipe fuses, and upper side tube wall place is provided with the outer tube gas outlet; Be provided with interior pipe in middle pipe, the top and the interior pipe air intake opening outer wall of described middle pipe fuse, pipe gas outlet during the upper side tube wall place of middle pipe is provided with; Pipe air intake opening in interior pipe top is provided with is managed the gas outlet in the lower end is provided with.
In the above-mentioned bubble absorption tube, described outer tube lower end superficies are established first frosting, simultaneously are provided with second frosting at described sample collection tube inflow point inwall, make sample collection tube and the driving fit of absorption tube outer tube by two frostings.
In the above-mentioned bubble absorption tube, also comprise the fixing spring clamp of absorption tube and sample collection tube; And be provided with the spring gim peg of corresponding spring clamp in the first frosting lower end, be provided with the belt bayonet socket of corresponding spring clamp at the outward flange of described sample collection tube inflow point.
In the above-mentioned bubble absorption tube, described spring clamp is provided with Jia Kou and following folder mouthful, described go up Jia Kou and down the folder mouth be semicircle, last folder mouth is used to block the spring gim peg of absorption tube; Following folder mouth is used to block the outer peripheral belt bayonet socket of sample collection tube inflow point.
In the above-mentioned bubble absorption tube, described outer length of tube is 140～160mm, and the part internal diameter more than its length 110～150mm is 30～80mm, and inside is provided with middle pipe; Described outer tube is 10～20mm at its length 110～150mm with the lower part internal diameter, and its internal diameter edge and outer wall of inner tube are provided with 2～3mm slit.
In the above-mentioned bubble absorption tube, described middle length of tube is 100～150mm, and internal diameter is 20～40mm.
In the above-mentioned bubble absorption tube, described interior length of tube is 180～220mm, and pipe air intake opening internal diameter is 8～12mm in the top; Pipe gas outlet internal diameter is 2～3mm in the lower end.
In the above-mentioned bubble absorption tube, described sample collection length of tube is 80～100mm, internal diameter 10～20mm; Its outside surface is provided with 5.0 milliliters and 10.0 milliliters of scale marks.
In the above-mentioned bubble absorption tube, described spring clamp is that the chromium plating copper sheet of 0.1～0.3mm is made with thickness; Described outer tube, middle pipe, interior pipe and sample collection tube all adopt hard glass to make, and each pipe thickness is even, and inlet, outlet is the standard ground.
The present invention also provides a kind of bubble absorption tube that is used for gaseous sample absorption, enrichment, comprises draft tube, absorption tube and sample collection tube, and described draft tube and absorption tube fuse; Be provided with superficies in the lower end of absorption tube and establish first frosting, simultaneously be provided with second frosting, make sample collection tube and absorption tube driving fit by two frostings at described sample collection tube inflow point inwall; Other establishes the fixing spring clamp of absorption tube and sample collection tube.
The present invention adopts technique scheme, and its distinguishing feature is:
● part integrity is strong, simple in structure.
● prevent separator tube that solution enters sampling pump directly and the bubble absorption tube become one, simple to operate, easy to carry.
● the sample collection pipe can freely install or remove by spring clamp, and sampling, application of sample and cleaning are easy.
● the sample gas outlet directly is connected with the atmosphere sampling instrument inlet, prevents that absorption liquid from entering in the atmosphere sampling instrument.
● have 5.0 milliliters and 10 milliliters of scale marks on the sample collection tube, can be directly to the absorption liquid constant volume.
Description of drawings
Fig. 1 is absorption tube structural representation among the present invention
Fig. 2 is sample collection tube structural representation among the present invention
Fig. 3 is a medi-spring clamping structure synoptic diagram of the present invention
Fig. 4 is another example structure synoptic diagram among the present invention
Fig. 5 is the structural representation of existing bubble absorption plant
Embodiment
Below in conjunction with accompanying drawing, describe the present invention in detail:
Bubble absorption tube of the present invention is made up of absorption tube (Fig. 1), the sample collection tube 4 (Fig. 2) that is connected with absorption tube and spring clamp 5 (Fig. 3).
In the present embodiment, the structure of absorption tube as shown in Figure 1, it is made up of outer tube 1, middle pipe 2, interior pipe 3 three parts.Interior pipe 3 is an elongated hollow tube, and length is 180～220mm, and internal diameter is 8～12mm, parallel placing among the pipe 2.Interior pipe 3 top horn openings are interior pipe air intake opening 6, and the lower end tapered opening is interior pipe gas outlet 7, and interior pipe gas outlet 7 internal diameters are 2～3mm.7 tips, interior pipe gas outlet are less than 3mm with sample collection tube 4 distances from bottom.
Middle pipe 2 is an oval hollow tube, and length is 100～150mm, and internal diameter is 20～40mm, places among the outer tube 1.Pipe 3 in middle pipe 2, being provided with.The top of middle pipe 2 and interior pipe air intake opening 6 outer walls of interior pipe 3 fuse into one, pipe gas outlet 8 during the upper side tube wall place of middle pipe 2 is provided with.
Outer tube 1 is the pipe of a band neck as separator tube, and outer tube 1 entire length is 140～160mm, and wherein length 110～150mm is pipe with the upper part, and internal diameter is 30～80mm, and outer tube 1 lower, neck end internal diameter is 15mm.Interior pipe air intake opening 6 outer walls of the top of outer tube 1 and interior pipe 3 fuse into one, and the upper side tube wall place of interior pipe 1 is provided with outer tube gas outlet 9.
Pipe 3 in the pipe 2 in outer tube 1, being provided with.The positions of pipe 2 and outer tube 1 length were revealed in the outside of outer tube 1 during interior pipe 3 exceeded, and outer tube 1 bottom diameter is 15mm, and its internal diameter edge and interior pipe 3 outer walls are provided with the 2mm slit.
Outer tube 1 lower, neck end superficies are provided with the frosting 10 that length is 25mm, also are provided with helical spring gim peg 11 in frosting 10 upper ends.
The absorption tube of said structure can adopt hard glass to make, and outer tube 1, middle pipe 2 and interior pipe 3 are integrated.Its outer tube 1 is equivalent to the separator tube of original bubble absorption plant, play sample in absorption process to the buffer action of bubble and prevent that solution from entering in the sampling pump; Middle pipe 2 is absorption tube, and 3 of interior pipes are draft tube, and the air sample of being gathered imports solution absorption in the sample collection tubes 4 by interior pipe 3, and the enrichment extraction.
Referring to Fig. 2, in the present embodiment, sample collection tube 4 is a microscler test tube, its length is 80～100mm, internal diameter 10～20mm, outward flange at sample collection tube 4 opening parts is provided with the bayonet socket 13 that goes in ring, and be provided with the degree of depth at the downward inward flange of the opening part of sample collection tube 4 is frosting 12 about 25mm, and this frosting 12 cooperates with the frosting 10 of outer tube 1 hypomere outside surface, can make outer tube 1 and sample collection tube 4 driving fits by two frostings during use.Sample collection tube 4 is provided with 5.0 milliliters and 10.0 milliliters of scale marks 17, is used for directly adding absorption liquid 16 constant volumes.
Referring to Fig. 3, in the present embodiment, spring clamp 5 employing thickness are that the chromium plating copper sheet of 0.1～0.3mm is made, and spring clamp 5 is provided with and presss from both sides mouth 14 and press from both sides mouth 15 down.Described upper and lower folder mouth is semicircle, the last folder mouthful 14 spring gim pegs 11 that are used to block on the outer tube 1; Following folder mouth 15 is used to block the outer peripheral belt bayonet socket 13 of sample collection tube 4 inflow points.
Be simplified structure, can not establish separator tube in another more succinct scheme of the present invention.Referring to Fig. 4, be the embodiment of this scheme.
This bubble absorption tube, comprise draft tube 20, absorption tube 30 and sample collection tube, wherein draft tube 20 fuses with absorption tube 30, and draft tube 20 is an elongated hollow tube, and length is 180～220mm, internal diameter is 8～12mm, parallel place absorption tube 30 it, absorption tube 30 is an oval hollow tube, length is 100～150mm, internal diameter is 20～40mm, and the top of absorption tube 30 and draft tube 20 upper end outer walls fuse into one.For with the sample collection driving fit, similar with top embodiment, establish first frosting 31 at the lower end of absorption tube 30 superficies, simultaneously be provided with second frosting at described sample collection tube inflow point inwall, make sample collection tube and absorption tube 30 driving fits by two frostings; It is identical that other structure of this embodiment and the foregoing description are described, and as spring clamp of establishing in addition etc., same section does not repeat them here.
The bubble absorption tube that the present invention proposes cooperates air sampler to use, and can be used for extraction and the collection to air sample of scene or laboratory easy, fast.Gas absorption principle of the present invention is: when air when the absorption liquid, on the interface of bubble and liquid, the molecule of tested component since solution effects or chemical reaction enter in the absorption liquid soon.Gas molecule in the middle of the bubble is exceedingly fast because of having concentration gradient and movement velocity simultaneously, can promptly be absorbed by solution.
Innovation part of the present invention is the structure Design to the bubble absorption tube.The present invention changes the structure of original bubble absorption tube fully, its separator tube and absorption tube are integrated to be connected with sample collection tube by spring clamp, structure is simple and direct, sample introduction, sampling and cleaning are convenient, and the present invention can be used for extraction and the collection to air sample of scene or laboratory easy, fast.
Introduce using method of the present invention below in conjunction with concrete operations
Sampling operation (is example with formaldehyde in the air)
● pinch spring clamp, take off sample collection tube, add water to groove (10ml).
● get formaldehyde reagent Guan Yizhi, cut off formaldehyde reagent pipe port, formaldehyde reagent pipe is inserted in the sample collection tube, pinch repeatedly and press formaldehyde reagent pipe bottom, solid reagent is all transferred in the sample collection tube with scissors.
● then bubble absorption tube lower end ground closely is connected with the sample collection tube import, and fastening with spring clamp, prevent gas leakage.
● connected the pipeline of atmosphere sampling instrument with silicone tube.
● open the sampling instrument power switch, regulate the sampling time (concentration of formaldehyde according to the sampling position is decided) and the sample gas flow (0.5L/min or 1.0L/min) of sampling instrument.Temperature and pressure during according to sampling time of sampling instrument, gas flow, sampling calculates sampling volume (liter).
Claims (9)
1. one kind is used for that gaseous sample absorbs, the bubble absorption tube of enrichment, comprise absorption tube and sample collection tube (4), it is characterized in that, described absorption tube is an one by outer tube (1), middle pipe (2), interior pipe (3) suit, stretch out at pipe (3) two ends wherein, described sample collection tube (4) and absorption tube outer tube (1) driving fit; The outer wall of the interior pipe air intake opening (6) of its middle external tube (1) top and interior pipe (3) fuses, and upper side tube wall place is provided with outer tube gas outlet (9); Be provided with interior pipe (3) in middle pipe (2), the top and interior pipe air intake opening (6) outer wall of described middle pipe (2) fuse, pipe gas outlet (8) during the upper side tube wall place of middle pipe (2) is provided with; Pipe air intake opening (6) in interior pipe (3) top is provided with is managed gas outlet (7) in the lower end is provided with.
2. bubble absorption tube as claimed in claim 1, it is characterized in that: described outer tube (1) lower end superficies are established first frosting (10), simultaneously be provided with second frosting (12), make sample collection tube (4) and absorption tube outer tube (1) driving fit by two frostings at described sample collection tube (4) inflow point inwall.
3. bubble absorption tube as claimed in claim 2 is characterized in that: also comprise the fixing spring clamp (5) of absorption tube and sample collection tube (4); And be provided with the spring gim peg (11) of corresponding spring clamp (5) in first frosting (10) lower end, be provided with the belt bayonet socket (13) of corresponding spring clamp (5) at the outward flange of described sample collection tube (4) inflow point.
4. bubble absorption tube as claimed in claim 3, it is characterized in that: described spring clamp (5) is provided with folder mouthful (14) and presss from both sides mouthful (15) down, described upward folder mouthful (14) and following folder mouth (15) are semicircle, and last folder mouthful (14) is used to block the spring gim peg (11) of absorption tube; Following folder mouthful (15) is used to block the outer peripheral belt bayonet socket (13) of sample collection tube (4) inflow point.
5. bubble absorption tube as claimed in claim 1 is characterized in that: described outer tube (1) length is 140～160mm, and the part internal diameter more than its length 110～150mm is 30～80mm, and inside is provided with middle pipe (2); Described outer tube (1) is 10～20mm at its length 110～150mm with the lower part internal diameter, and its internal diameter edge and interior pipe (3) outer wall are provided with 2～3mm slit.
6. bubble absorption tube as claimed in claim 1 is characterized in that: pipe (2) length is 100～150mm in described, and internal diameter is 20～40mm.
7. bubble absorption tube as claimed in claim 1 is characterized in that: pipe (3) length is 180～220mm in described, and pipe air intake opening (6) internal diameter is 8～12mm in its top; Pipe gas outlet (7) internal diameter is 2～3mm in the lower end.
8. bubble absorption tube as claimed in claim 1 is characterized in that: described sample collection tube (4) length is 80～100mm, internal diameter 10～20mm; Its outside surface is provided with 5.0 milliliters and 10.0 milliliters of scale marks (17).
9. bubble absorption tube as claimed in claim 3 is characterized in that: described spring clamp (5) is that the chromium plating copper sheet of 0.1～0.3mm is made with thickness; Described outer tube (1), middle pipe (2), interior pipe (3) and sample collection tube (4) all adopt hard glass to make, and each pipe thickness is even, and inlet, outlet is the standard ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100581580A CN1304828C (en) | 2004-08-17 | 2004-08-17 | Bubble absorption tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100581580A CN1304828C (en) | 2004-08-17 | 2004-08-17 | Bubble absorption tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1598527A CN1598527A (en) | 2005-03-23 |
| CN1304828C true CN1304828C (en) | 2007-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100581580A Active CN1304828C (en) | 2004-08-17 | 2004-08-17 | Bubble absorption tube |
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| Country | Link |
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| CN (1) | CN1304828C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088890A (en) * | 2016-11-21 | 2018-05-29 | 中国科学院大连化学物理研究所 | The sample injection method quickly detected for the direct mass spectrography of volatile organic matter in liquid |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3680388A (en) * | 1968-11-01 | 1972-08-01 | Pilkington Brothers Ltd | Sampling of gaseous atmospheres |
| DE2460122A1 (en) * | 1974-12-19 | 1976-06-24 | Steag Ag | Gas sample removal probe at high temperatures - uses water to suck sampled gas through probe |
| DE9014718U1 (en) * | 1990-10-24 | 1991-01-03 | S+G Schmitt Messgeraetebau Gmbh, 6700 Ludwigshafen, De | |
| CN2123072U (en) * | 1992-05-30 | 1992-11-25 | 中国石油化工总公司上海石油化工总厂 | Deadweight suction automatic atmospheric sampling device |
| CN2260326Y (en) * | 1995-08-08 | 1997-08-20 | 丘山 | Air sampling adsorption tube |
| US5783756A (en) * | 1995-12-08 | 1998-07-21 | New York University | Portable sampler for volatile aerosols |
-
2004
- 2004-08-17 CN CNB2004100581580A patent/CN1304828C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3680388A (en) * | 1968-11-01 | 1972-08-01 | Pilkington Brothers Ltd | Sampling of gaseous atmospheres |
| DE2460122A1 (en) * | 1974-12-19 | 1976-06-24 | Steag Ag | Gas sample removal probe at high temperatures - uses water to suck sampled gas through probe |
| DE9014718U1 (en) * | 1990-10-24 | 1991-01-03 | S+G Schmitt Messgeraetebau Gmbh, 6700 Ludwigshafen, De | |
| CN2123072U (en) * | 1992-05-30 | 1992-11-25 | 中国石油化工总公司上海石油化工总厂 | Deadweight suction automatic atmospheric sampling device |
| CN2260326Y (en) * | 1995-08-08 | 1997-08-20 | 丘山 | Air sampling adsorption tube |
| US5783756A (en) * | 1995-12-08 | 1998-07-21 | New York University | Portable sampler for volatile aerosols |
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| Publication number | Publication date |
|---|---|
| CN1598527A (en) | 2005-03-23 |
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