CN208751912U - A kind of gas sampling device - Google Patents
A kind of gas sampling device Download PDFInfo
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- CN208751912U CN208751912U CN201821137213.9U CN201821137213U CN208751912U CN 208751912 U CN208751912 U CN 208751912U CN 201821137213 U CN201821137213 U CN 201821137213U CN 208751912 U CN208751912 U CN 208751912U
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- gas
- conduit
- sampler
- sampling device
- export control
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Abstract
The utility model discloses a kind of gas sampling devices, belong to sampling equipment technical field.It includes the sampling jar for including sampler and connection sampler, and sampler includes coal gas ingress pipe, gas export control and the filter chamber being arranged between coal gas ingress pipe and gas export control, and gas export control is connect by gas-guide tube with sampling jar；Filter chamber includes two hemisphere molded cannulas and the conduit that is connected between two casings, and conduit is matched with casing, and coal gas ingress pipe and gas export control are separately positioned on casing and in communication；It is respectively arranged with fine glass fibers filter membrane at the connectivity port of conduit and casing, is fixed between fine glass fibers filter membrane and conduit by fixed ring.Accuracy, the experiment favorable reproducibility of the utility model structure simple, practical and convenient, ensuring coal gas purity and analysis.
Description
Technical field
The utility model relates to sampling equipment technical fields, and in particular to a kind of gas sampling device.
Background technique
The main composition of crude benzol is benzene,toluene,xylene in coke-stove gas, and it is benzene and toluene that wherein content is highest.
In the production procedure of coking, washing benzene content in the forward and backward coal gas of benzene column is one of the important indicator washed benzene column and wash benzene efficiency, it is straight
Connect the height for determining crude benzol yield.It is directly sampled from gas piping using syringe at present, often contains water in such coal gas
Divide the impurity with tar, the subsequent accuracy to gas analysis of these impurity effects leads to the reproducibility of the experimental result of measurement
Difference.
Utility model content
The purpose of this utility model is to provide a kind of gas sampling devices, existing for coke-stove gas sampling dress to solve
Set sampling after there are impurity, and then cause gas analysis accurate type difference and experiment poor reproducibility the problem of.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of gas sampling device, including sampler
And the sampling jar of connection sampler, sampler include coal gas ingress pipe, gas export control and setting in coal gas ingress pipe and
Filter chamber between gas export control, gas export control are connect by gas-guide tube with sampling jar；
Filter chamber includes two hemisphere molded cannulas and the conduit that is connected between two casings, and conduit and casing match
Conjunction, coal gas ingress pipe and gas export control are separately positioned on casing and in communication；At the connectivity port of conduit and casing
It is respectively arranged with fine glass fibers filter membrane, is fixed between fine glass fibers filter membrane and conduit by fixed ring.
The sampler of the present apparatus is mounted on gas-pipe line by the utility model, by collecting after sampler samples in sampling jar
In.Wherein the coal gas ingress pipe on sampler is sampled from gas piping, and coal gas enters in filter chamber through coal gas ingress pipe, warp
Two layers of fine glass fibers membrane filtration, the filter membrane can effectively adsorb moisture, tar and particulate matter in coal gas, can
To avoid the influence because of moisture and impurity to gas analysis.
Further, in the utility model preferred embodiment, corresponding fixed ring offers respectively on the outside of above-mentioned conduit
Semi-circular opening is provided with the pipe lid to match, the matched sealing shroud that respective tube lid is arranged on conduit, sealing in opening
The width of set is greater than the width of pipe lid.Opening is offered on conduit, be can according to need from opening and is taken out fine glass fibers
Filter membrane carries out cleaning replacement.Sealing shroud plays preferable sealing effect to opening, avoids the leakage of coal gas in actual operation.
Further, it in the utility model preferred embodiment, is also set gradually between above-mentioned sampler and sampling jar
There are gas flowmeter and vacuum pump.
Further, it in the utility model preferred embodiment, is provided between above-mentioned sampler and gas flowmeter
First control valve, is provided with the second control valve between gas flowmeter and vacuum pump, is provided between vacuum pump and sampling jar
Three control valves.
Further, in the utility model preferred embodiment, thermometer is additionally provided on above-mentioned gas flowmeter.
Further, above-mentioned that shield, shield are provided with outside sampler in the utility model preferred embodiment
Inner wall on be provided with heating sheet.
Further, in the utility model preferred embodiment, the aperture of above-mentioned fine glass fibers filter membrane is 0.2-
0.3um。
The utility model has the following beneficial effects:
1, accuracy, the experiment reproduction of the utility model structure simple, practical and convenient, ensuring coal gas purity and analysis
Property is good.
2, the utility model uses heating sheet, separates the benzene in coal gas well with other compositions, is conducive to essence
The absorption of thin glass fiber filter membrane.
3, the utility model uses control valve, is effectively controlled the speed and progress entirely sampled, ensures that and take
The controllability and accuracy of sample.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the utility model filter chamber；
Fig. 3 is the schematic cross-sectional view of the utility model filter chamber.
In figure: 1- sampler；2- sampling jar；3- coal gas ingress pipe；4- gas export control；5- filter chamber；6- casing；7-
Conduit；8- fine glass fibers filter membrane；9- fixed ring；10- pipe lid；11- sealing shroud；12- gas flowmeter；13- vacuum pump；
The first control valve of 14-；The second control valve of 15-；16- third control valve；17- thermometer；18- shield；19- heating sheet.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Embodiment
As shown in Figure 1, the gas sampling device of the utility model embodiment, including sampler 1 and sampling jar 2, sampler 1
It is connected between sampling jar 2 by gas-guide tube, gas flowmeter 12 and true is disposed between sampler 1 and sampling jar 2
Sky pump 13.The first control valve 14 is provided between sampler 1 and gas flowmeter 12, between gas flowmeter 12 and vacuum pump 13
It is provided with the second control valve 15, third control valve 16 is provided between vacuum pump 13 and sampling jar 2.On gas flowmeter 12 also
It is provided with thermometer 17.
As shown in Figure 1, sampler 1 includes coal gas ingress pipe 3, gas export control 4 and filter chamber 5, filter chamber 5 is arranged in coal
Between gas ingress pipe 3 and gas export control 4, and it is interconnected between three.It is provided with shield 18 outside sampler 1, is protected
Heating sheet 19 is provided on the inner wall of cover 18.It needs to heat up to the heated by gas of sampling according to experiment, makes benzene in coal gas can be with
It is separated well with other compositions, is conducive to the absorption of fine glass fibers filter membrane 8.
As shown in Figure 1, filter chamber 5 includes two hemisphere molded cannulas 6 and conduit 7, casing 6 is oppositely arranged on the two of conduit 7
End, and casing 6 is matched with conduit 7.In the embodiments of the present invention, conduit 7 is hollow cylindrical body, the cylindrical body
Diameter it is consistent with the diameter of casing 6.Coal gas ingress pipe 3 and gas export control 4 are separately positioned on casing 6 and connect therewith
It is logical.
As shown in Figure 1,2 and 3, fine glass fibers filter membrane 8, Fine glass are respectively arranged at the both ends of 7 inside of conduit
The aperture of fibrous filter membrane 8 is 0.2-0.3um.Fixed ring 9, fine glass fibers filter are provided on the outside of fine glass fibers filter membrane 8
Film 8 is fixed by fixed ring 9 and conduit 7.The overall diameter of fixed ring 9 is consistent with the interior diameter of conduit 7, the width of fixed ring 9 with
The equivalent width of fine glass fibers filter membrane 8.Fine glass fibers filter membrane 8 is firmly fixed to conduit 7 by fixed ring 9
It is interior.7 outside of conduit offers semi-circular opening respectively, and the position of the opening is corresponding with the position of fixed ring 9, and this is opened
The width of mouth is greater than the width 0.1-0.2cm of fixed ring 9.Opening can be towards any direction, in the embodiments of the present invention
In, top of the opening at 7 both ends of conduit towards conduit 7.The pipe that the shape and size of opening match is provided with being open out
Lid 10.Sealing shroud 11 is arranged on conduit 7 at respective tube lid 10, size and the conduit 7 of the sealing shroud 11 match, and close
The size of big envelope 11 and the width of sealing shroud 11 are greater than the width of pipe lid 10.Needing cleaning replacement fine glass fibers filter membrane 8
When, remove sealing shroud 11 and pipe lid 10, fine glass fibers filter membrane 8 taken out from conduit 7 together with fixed ring 9, cleaning or more
Fine glass fibers filter membrane 8 is put back into conduit 7 together with fixed ring 9 from newly again after changing fine glass fibers filter membrane 8, is covered
Pipe lid 10 and sealing shroud 11.
The use process of the utility model: firstly, the first control valve 14, the second control valve 15 and third control valve 16 is complete
It opens in portion.Heating sheet 19 is opened, when temperature reaches suitable, coal gas ingress pipe 3 is connected to gas piping, starts vacuum pump
13 and gas flowmeter 12.Coal gas in gas piping is under the action of vacuum pump 13 from coal gas ingress pipe 3 through passing through in filter chamber 5
After fine glass fibers filter membrane 8 absorbs and filter, after gas flowmeter 12 enters in sampling jar 2.To gas coming through flowmeter 12
Coal gas reach predetermined value after, gas flowmeter 12 control vacuum pump 13 stop working, close the first control valve 14.Finally, working as
After sample in the subsequent gas-guide tube of first control valve 14 all flows into sampling bottle, by the second control valve 15 and third control valve 16
It closes, and removes sampler 1.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of gas sampling device, which is characterized in that the sampling jar including sampler (1) and the connection sampler (1)
(2), the sampler (1) include coal gas ingress pipe (3), gas export control (4) and setting in the coal gas ingress pipe (3) and
Filter chamber (5) between the gas export control (4), the gas export control (4) are connected by gas-guide tube and the sampling jar (2)
It connects；
The filter chamber (5) includes two hemisphere molded cannulas (6) and the conduit (7) being connected between two described sleeve pipes (6),
The conduit (7) matches with described sleeve pipe (6), and the coal gas ingress pipe (3) and the gas export control (4) are separately positioned on
It is in described sleeve pipe (6) and in communication；It is respectively arranged at the connectivity port of the conduit (7) and described sleeve pipe (6) fine
Glass fiber filter (8), it is fixed by fixed ring (9) between the fine glass fibers filter membrane (8) and the conduit (7).
2. gas sampling device according to claim 1, which is characterized in that the corresponding fixation on the outside of the conduit (7)
Ring (9) offers semi-circular opening respectively, and the pipe lid (10) to match, the conduit (7) on pair are provided in the opening
The width of the matched sealing shroud (11) for answering the pipe lid (10) to be arranged with, the sealing shroud (11) is greater than the pipe lid (10)
Width.
3. gas sampling device according to claim 1, which is characterized in that the sampler (1) and the sampling jar (2)
Between be also disposed with gas flowmeter (12) and vacuum pump (13).
4. gas sampling device according to claim 3, which is characterized in that the sampler (1) and the gas flow
It is provided with the first control valve (14) between meter (12), the is provided between the gas flowmeter (12) and the vacuum pump (13)
Two control valves (15) are provided with third control valve (16) between the vacuum pump (13) and the sampling jar (2).
5. gas sampling device according to claim 3, which is characterized in that be additionally provided on the gas flowmeter (12)
Thermometer (17).
6. gas sampling device according to claim 1, which is characterized in that be provided with protection outside the sampler (1)
It covers (18), is provided with heating sheet (19) on the inner wall of the shield (18).
7. gas sampling device according to claim 1, which is characterized in that the hole of the fine glass fibers filter membrane (8)
Diameter is 0.2-0.3um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821137213.9U CN208751912U (en) | 2018-07-17 | 2018-07-17 | A kind of gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821137213.9U CN208751912U (en) | 2018-07-17 | 2018-07-17 | A kind of gas sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208751912U true CN208751912U (en) | 2019-04-16 |
Family
ID=66055987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821137213.9U Active CN208751912U (en) | 2018-07-17 | 2018-07-17 | A kind of gas sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208751912U (en) |
-
2018
- 2018-07-17 CN CN201821137213.9U patent/CN208751912U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Dazhou City, Sichuan Province, 635000 River Road District No. 25 Patentee after: Sichuan Daxing Energy Co., Ltd Address before: Dazhou City, Sichuan Province, 635000 River Road District No. 25 Patentee before: SICHUAN DAXING ENERGY Co.,Ltd. |