CN108801710A - A kind of ground vapour filtering buffer - Google Patents
A kind of ground vapour filtering buffer Download PDFInfo
- Publication number
- CN108801710A CN108801710A CN201710291646.3A CN201710291646A CN108801710A CN 108801710 A CN108801710 A CN 108801710A CN 201710291646 A CN201710291646 A CN 201710291646A CN 108801710 A CN108801710 A CN 108801710A
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- Prior art keywords
- surge flask
- ground vapour
- mercury
- air
- filter membrane
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2294—Sampling soil gases or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2214—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N2001/2244—Exhaled gas, e.g. alcohol detecting
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Soil Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of ground vapour filtering buffer, including：Inlet duct, surge flask, air-out apparatus and grass tube；Wherein, the inlet duct is arranged at the top of surge flask, and in surge flask side wall, grass tube is connected to inlet duct and is arranged inside surge flask for air-out apparatus setting.The phenomenon that dust and moisture in ground vapour are adsorbed by mercury-traping tube and influence adsorptive gaseous mercury is effectively prevented, ground vapour filtering buffer, which can effectively remove disturbing factor, influences mercury-traping tube, keeps mercury-traping tube adsorption effect good, reproducibility is consistent, and testing result is highly stable.Multilayer spun gold net adsorbs mercury vapour, absorption has been reached under the cooperation of filtering buffer completely, therefore favorable reproducibility, analysis data are true and reliable, improve the confidence level of geologic interpretation.
Description
Technical field
The present invention is a kind of gas-filtering device applied to petroleum geology and petroleum exploration domain, and in particular to a kind ofly
Gas filters buffer.
Background technology
Since the penetration power of mercury is very strong, determine its can from lower gas reservoir upward vertical migration to earth's crust surface, Fu Cun
In surface soil [Li Guang it, Yuan Ziyan, Zhuan Yuan, Jiang Hao, the Petroleum geological significance physical prospecting of mercury element visit volume 32 the 2nd with changing
In April, 2008 phase].According to this characteristic, accompaniment of the mercury as oil-gas reservoir is that an important tracer refers in hydrocarbon geochemical exploration
Mark, meanwhile, mercury is also to differentiate indispensable index in geological fault and underground heat.How the geological Significance of mercury of underliing correctly is judged
, correct detection method and accurately analysis data are to the main means and foundation of researcher's differentiation research project.
The acquisition method of gaseous mercury is enriched with to gaseous mercury first at present, and then heating parsing measures.Actually adopting
When collecting ground vapour sample, be the direct gas extracted in ground hole and with mercury-traping tube by sebific duct be directly connected to mercury-traping tube enrichment [Liu Shutian,
Company commander's cloud, Ji Guijuan, Gaseous Mercury Determination method survey in earth, International Geology in March, 1997 the 1st phase of volume 16], often just have one
Fixed extraneous factor pollutes mercury-traping tube, as the dust in water flooding, moisture or ground vapour can also pollute mercury-traping tube and cannot reach and catch
Clean requirement in mercury pipe, the mercury-traping tube after enrichment directly carry out being pyrolyzed detection in thermal decomposition tube again, will make analysis data distortion.
Invention content
It is an object of the invention to overcome earth bicycle pump in gas production process, has dust entrance on the stratum of earth's surface drying and catch
It is online that spun gold is adhered in mercury pipe, when Thermal desorption carries out absorbance measurement to mercury-traping tube, absorbance measurement meeting of the dust to mercury
Generate very greatly with chance error the shortcomings that, and the ground earth's surface shallow in water table aquifer have surface water quilt during gas in acquiring earth
It sucks in mercury-traping tube and air sampler, the shortcomings that not only having polluted mercury-traping tube but also equipment can be damaged, invents a kind of each open country of guarantee
The secure sample of outer acquisition is reliably true, avoids causing the mercury of other ectocines to filter buffer unit when sampling, reaches guarantor
Mercury-traping tube cleaning is protected, keeps the gaseous mercury sample of the outer acquisition data in detection process true and reliable.
The object of the invention to solve the technical problems is realized using following technical scheme.
A kind of ground vapour filtering buffer, including inlet duct, surge flask, air-out apparatus and grass tube；
Wherein, the inlet duct is arranged at the top of surge flask, and air-out apparatus setting connects in surge flask side wall, grass tube
Logical inlet duct is arranged inside surge flask.
The object of the invention to solve the technical problems can also be realized using following technical measures.
The ground vapour filters buffer, wherein the inlet duct includes the first filtering being arranged in air inlet position
Film and the first O-ring seal.
The ground vapour filters buffer, wherein the air-out apparatus includes the second filtering being arranged in gas outlet position
Film and the second O-ring seal.
The ground vapour filters buffer, wherein first filter membrane and the second filter membrane are electrostatic filter membrane.By quiet
Subtle grit can be filtered out in the composition for not changing gas, avoids that adsorption tube is made to pollute by electrofiltration film, meanwhile, not
In the case of the composition for changing gas, Water Molecular Adsorption in gas can be reached the drying purpose of gas.
The ground vapour filters buffer, wherein first O-ring seal and the first O-ring seal are positioned close to
Side inside filtering flask, first filter membrane and the second filter membrane are arranged far from the side inside filtering flask.By into
What the electrostatic filter membrane of gas port can stop water flooding rapidly enters surge flask, when finding that the when of having water in surge flask can stop gas production,
Prevent water flooding from entering pollution damage equipment in mercury-traping tube or sucking gas production pump.
The ground vapour filters buffer, wherein the grass tube leads directly to surge flask bottom, apart from surge flask bottom bottle
Wall 10mm-20mm.Glass tube is led directly into surge flask bottom, surge flask bottom can be delivered gas to, keeps gas fully gentle
Bottle contact is rushed, convenient intuitive observation condenses in the droplet inside bottle wall due to the vapor in gas.
The ground vapour filters buffer, wherein height of the air-out apparatus apart from bottom of bottle is not less than surge flask height
3/4.Make gas fully and surge flask contact, convenient intuitive observation is condensed in due to the vapor in gas inside bottle wall
Droplet.
The ground vapour filters buffer, wherein the surge flask is organic glass material.It can intuitively see whether
There is Water vapor condensation in surge flask bottle wall.
The ground vapour filters buffer, wherein the inlet duct is organic glass material.It is light portable, it can be with
Reusability.
The ground vapour filters buffer, wherein the air-out apparatus is organic glass material.It is light portable, it can be with
Reusability.
The present invention has the following advantages：The dust and moisture effectively prevented in ground vapour is adsorbed by mercury-traping tube and influences to adsorb
The phenomenon that gaseous mercury, ground vapour filtering buffer, which can effectively remove disturbing factor, influences mercury-traping tube, makes mercury-traping tube absorption effect
Fruit is good, and reproducibility is consistent, and testing result is highly stable.
Multilayer spun gold net adsorbs mercury vapour, absorption has been reached under the cooperation of filtering buffer completely, therefore favorable reproducibility,
It is true and reliable to analyze data, improves the confidence level of geologic interpretation.
Description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein：
Fig. 1 is the schematic diagram of ground vapour filtering buffer of the present invention.
In the accompanying drawings, identical component uses identical reference numeral.Attached drawing is not according to actual ratio.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings.
As shown in Figure 1, the ground vapour for the present invention filters buffer, including including inlet duct 10, surge flask 5, outlet dress
Set 20 and grass tube 6；Wherein, the setting of the inlet duct 10 is arranged at 5 top of surge flask, air-out apparatus 20 in surge flask
5 side walls, grass tube 6 are arranged inside surge flask 5.
The inlet duct include air inlet 7 and be arranged air inlet for sealing gas the first O-ring seal 41 with
And the first filter membrane 31 on the sealing ring of suit, the air-out apparatus include that gas outlet and setting are used for blanket gas in gas outlet
Second O-ring seal 42 of body and the second filter membrane 32 being sleeved in the second O-ring seal 42.Wherein, first mistake
Filter membrane and the second filter membrane are preferably electrostatic filter membrane.By electrostatic filter membrane, the composition for not changing gas can be by subtle grit
It filters out, avoids that adsorption tube is made to pollute, meanwhile, in the composition for not changing gas, hydrone in gas can be inhaled
It is attached, reach the drying purpose of gas.
The ground vapour filters buffer, wherein the setting of first O-ring seal, 41 and second O-ring seal 42 exists
Side inside filtering flask 5, first filter membrane, 31 and second filter membrane 32 are arranged far from one inside filtering flask 5
First O-ring seal 41 when installation, is placed on filtering flask bottle mouth position, will be provided with the import bottle cap 2 of the first filter membrane 31 by side
It is fixed on bottle mouth position, import bottle cap 2 is tightened with bottleneck spiral, and the first filter membrane after fixing is adjacent to the first O-ring seal；It will
The setting of second O-ring seal 42 exports bottle mouth position in filtering flask, and the outlet bottle cap 21 for being provided with the second filter membrane 32 is fixed on
Filtering flask exports bottle mouth position, and bottle cap 21 spiral same as filtering flask outlet bottleneck in outlet is tightened, the second filter membrane 32 after fixing
It is adjacent to 42 circle of the second O-shaped sealing.Surge flask is rapidly entered by what the first filter membrane 31 of air inlet can stop water flooding
5, when finding that the when of having water in surge flask 5 can stop gas production, prevents water flooding from entering in mercury-traping tube or sucking gas production pump and pollute damage
Equipment.
The ground vapour filters buffer, wherein the grass tube 6 leads directly to 5 bottom of surge flask, apart from 5 bottom of surge flask
Portion bottle wall 10mm-20mm.Glass tube is led directly into surge flask bottom, surge flask bottom can be delivered gas to, keeps gas abundant
It is contacted with surge flask, convenient intuitive observation condenses in the droplet inside bottle wall due to the vapor in gas.
The ground vapour filters buffer, wherein height of the air-out apparatus 20 apart from bottom of bottle is not less than buffering bottle height
The 3/4 of degree.Such setting can make gas fully and surge flask contact, and convenient intuitive observation is steamed due to the water in gas
Gas and condense in the droplet inside bottle wall.
The ground vapour filters buffer, wherein the surge flask is organic glass material.It can intuitively see whether
There is Water vapor condensation in surge flask bottle wall.
The ground vapour filters buffer, wherein the inlet duct is organic glass material, can also be nylon material
Matter, in this way, having the advantages of light portable, it can be used repeatedly.
The ground vapour filters buffer, wherein the inlet duct is organic glass material, can also be nylon material
Matter, in this way, having the advantages of light portable, it can be used repeatedly.
When work, earth gas enters through air inlet 7, enters filtering flask 5 by flowing through grass tube 6 after the first filter membrane 31
In, it is discharged by gas outlet 8 through the second filter membrane 32 after.
The present apparatus effectively prevents the phenomenon that dust in ground vapour and moisture are adsorbed by mercury-traping tube and influence adsorptive gaseous mercury,
Ground vapour filtering buffer, which can effectively remove disturbing factor, influences mercury-traping tube, keeps mercury-traping tube adsorption effect good, reproducibility one
It causes, testing result is highly stable.
Multilayer spun gold net adsorbs mercury vapour, absorption has been reached under the cooperation of filtering buffer completely, therefore favorable reproducibility,
It is true and reliable to analyze data, improves the confidence level of geologic interpretation.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited in texts
Disclosed in specific embodiment, but include all technical solutions fallen within the scope of the appended claims.
Claims (10)
1. a kind of ground vapour filters buffer, which is characterized in that including inlet duct, surge flask, air-out apparatus and grass tube；
Wherein, the inlet duct is arranged at the top of surge flask, and air-out apparatus is arranged in surge flask side wall, grass tube be connected into
Device of air is arranged inside surge flask.
2. ground vapour according to claim 1 filters buffer, which is characterized in that the inlet duct includes being arranged in air inlet
The first filter membrane and the first O-ring seal of mouth position.
3. ground vapour according to claim 1 filters buffer, which is characterized in that the air-out apparatus includes being arranged in outlet
The second filter membrane and the second O-ring seal of mouth position.
4. ground vapour according to claim 2 or 3 filters buffer, which is characterized in that first filter membrane and the second mistake
Filter membrane is electrostatic filter membrane.
5. ground vapour according to claim 2 or 3 filters buffer, which is characterized in that first O-ring seal and second
O-ring seal is positioned close to the side inside filtering flask, and first filter membrane and the second filter membrane are arranged far from filtering
Side inside bottle.
6. ground vapour according to claim 1 filters buffer, which is characterized in that the grass tube leads directly to surge flask bottom
Portion, apart from surge flask bottom bottle wall 10mm-20mm.
7. ground vapour according to claim 1 filters buffer, which is characterized in that height of the air-out apparatus apart from bottom of bottle
Not less than the 3/4 of surge flask height.
8. ground vapour according to claim 1 filters buffer, which is characterized in that the surge flask is organic glass material.
9. ground vapour according to claim 1 filters buffer, which is characterized in that the inlet duct is organic glass material
Matter.
10. ground vapour according to claim 1 filters buffer, which is characterized in that the air-out apparatus is organic glass material
Matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710291646.3A CN108801710A (en) | 2017-04-28 | 2017-04-28 | A kind of ground vapour filtering buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710291646.3A CN108801710A (en) | 2017-04-28 | 2017-04-28 | A kind of ground vapour filtering buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108801710A true CN108801710A (en) | 2018-11-13 |
Family
ID=64070010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710291646.3A Pending CN108801710A (en) | 2017-04-28 | 2017-04-28 | A kind of ground vapour filtering buffer |
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| Country | Link |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030192363A1 (en) * | 2000-01-14 | 2003-10-16 | Adiletta Joseph G. | Filter for gas analysis |
| US20040168526A1 (en) * | 1996-08-22 | 2004-09-02 | Mayeaux Donald P. | System for retrieving a gas phase sample from a gas stream containing entrained liquid, and sample conditioner assembly therefore |
| US20050092064A1 (en) * | 2003-10-31 | 2005-05-05 | Riken Keiki Co., Ltd. | Portable gas detector |
| CN102455258A (en) * | 2010-10-27 | 2012-05-16 | 中国科学院大连化学物理研究所 | A trapping device for flue gas dioxin sampling and its application |
| CN202994230U (en) * | 2012-11-30 | 2013-06-12 | 上海麦驰软件科技有限公司 | Dustproof and waterproof device of gaseous mass flow sensor |
| CN203519380U (en) * | 2013-10-08 | 2014-04-02 | 潍柴动力股份有限公司 | EGR (exhaust gas recirculation) pre-filtering sampling device |
| CN104316622A (en) * | 2014-10-20 | 2015-01-28 | 中国石油天然气股份有限公司 | Adsorption enrichment device and method for organic matters in gas |
| CN106525512A (en) * | 2016-09-21 | 2017-03-22 | 环境保护部南京环境科学研究所 | A field VOC collection box |
-
2017
- 2017-04-28 CN CN201710291646.3A patent/CN108801710A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040168526A1 (en) * | 1996-08-22 | 2004-09-02 | Mayeaux Donald P. | System for retrieving a gas phase sample from a gas stream containing entrained liquid, and sample conditioner assembly therefore |
| US20030192363A1 (en) * | 2000-01-14 | 2003-10-16 | Adiletta Joseph G. | Filter for gas analysis |
| US20050092064A1 (en) * | 2003-10-31 | 2005-05-05 | Riken Keiki Co., Ltd. | Portable gas detector |
| CN102455258A (en) * | 2010-10-27 | 2012-05-16 | 中国科学院大连化学物理研究所 | A trapping device for flue gas dioxin sampling and its application |
| CN202994230U (en) * | 2012-11-30 | 2013-06-12 | 上海麦驰软件科技有限公司 | Dustproof and waterproof device of gaseous mass flow sensor |
| CN203519380U (en) * | 2013-10-08 | 2014-04-02 | 潍柴动力股份有限公司 | EGR (exhaust gas recirculation) pre-filtering sampling device |
| CN104316622A (en) * | 2014-10-20 | 2015-01-28 | 中国石油天然气股份有限公司 | Adsorption enrichment device and method for organic matters in gas |
| CN106525512A (en) * | 2016-09-21 | 2017-03-22 | 环境保护部南京环境科学研究所 | A field VOC collection box |
Non-Patent Citations (1)
| Title |
|---|
| 徐志成 等: "《核电厂的安全与环境》", 31 December 1990, 原子能出版社 * |
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Application publication date: 20181113 |
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