CN106178854A - The drying device of a kind of gas detection logging sample gas and drying means - Google Patents
The drying device of a kind of gas detection logging sample gas and drying means Download PDFInfo
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- CN106178854A CN106178854A CN201610823551.7A CN201610823551A CN106178854A CN 106178854 A CN106178854 A CN 106178854A CN 201610823551 A CN201610823551 A CN 201610823551A CN 106178854 A CN106178854 A CN 106178854A
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- 238000001035 drying Methods 0.000 title claims abstract description 98
- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 229920000557 Nafion® Polymers 0.000 claims abstract description 81
- 238000010926 purge Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 239000002274 desiccant Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 6
- 238000004868 gas analysis Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000002572 peristaltic effect Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 230000002000 scavenging effect Effects 0.000 claims 1
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 8
- 229930195733 hydrocarbon Natural products 0.000 abstract description 8
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 238000005553 drilling Methods 0.000 description 5
- 238000002203 pretreatment Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/067—Separating gases from drilling fluids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to drying device and the drying means of a kind of gas detection logging sample gas, utilize the variable concentrations of tube wall both sides gas moisture pressure of Nafion inner tube as driving force, the hydrone in sample gas is made to infiltrate into outside Nafion inner tube by tube wall, and utilize negative pressure blow device pipe outside to form the dry purging gas of continuous-stable, convection current is formed with the sample gas in Nafion inner tube, the steam penetrated into outside Nafion inner tube is discharged by negative pressure blow device by purging, it is achieved sample gas is dried except water.The present invention based on Nafion drying tube except the feature of water, simple in construction, with low cost, applied widely, rate of drying is fast, dependable performance, and hydrocarbon component to be checked in sample gas is unaffected, it is possible to achieve online lossless being dried except water to tiny structure (negative pressure≤0.02 MPa) sampling sample gas.
Description
Technical field
The present invention relates to sample gas drying device and the drying means of a kind of oil log gas analysis system, particularly relate to
The most lossless drying device of a kind of sample gas being applicable to tiny structure sampling and drying means.
Background technology
Online gas detection logging is the important ring during oil exploration, and it is by returning drilling fluid institute in drilling process
The on-line analysis of the formation gas carried, can provide the oil and gas index parameter respectively creeping into stratum, quickly, in time for the reality on stratum
Time evaluation provide reliable reference frame.It has weight to on-the-spot oil and gas development, Oil-gas exploration evaluation particularly in early days
Want meaning.
During gas detection logging, need to deaerate online to extract sample gas therein to the drilling fluid returned in drilling well.
In this course, sample gas is inevitably mixed into a large amount of steam, thus disturbs gas to survey result, even affect gas and survey
The performance of instrument.The most typically the sample gas of on-line period can be carried out pre-treatment to be dried.Additionally, for avoid the water in sample gas to steam
Gas liquefies because of pressure change, and the pre-treatment of sample gas is dried the tiny structure (negative pressure before would be normally located at sample pump
≤ 0.02 MPa) suction stage, after sample gas has been dried, send into mud logging unit through sampling pump and positive pressure pump again.
The pre-treatment that well logging gas survey at present is commonly used has been dried employing calcium chloride desiccant and has used semiconductor refrigerating to be dried two
The method of kind.But existence shortcoming the most in various degree, affects the accuracy of gas detection logging.Wherein, use calcium chloride desiccant permissible
Effectively remove the moisture in sample gas, but must often change desiccant.If the desiccant that water suction is made moist is changed the most in time, then pole
Easily contaminated samples pipeline, even causes the blocking of gas sample pipeline.Use semiconductor refrigerating to be dried, be by cryogenic refrigeration, make wet
Moisture in profit sample gas removes water through the mode of condensation liquefaction.But the heavy constituent in sample gas, such as hydrocarbon such as C5, even C6～C8
Component is affected by himself boiling point, also can partially or completely condensation liquefaction, and then affect the verity of gas detection logging.
Summary of the invention
It is an object of the invention to provide drying device and the drying means of a kind of gas detection logging sample gas, based on Nafion
Drying tube is except the feature of water, simple in construction, and with low cost, applied widely, rate of drying is fast, in dependable performance, and sample gas
Hydrocarbon component to be checked unaffected, it is possible to achieve online lossless being dried except water to tiny structure sampling sample gas.
In order to achieve the above object, the present invention is achieved through the following technical solutions: being dried of a kind of gas detection logging sample gas
Device, connects in the sample gas pipeline being arranged on negative pressure-pumping；Comprise: Nafion drying tube, by an outer tube and be arranged on
At least Nafion inner tube composition in this outer tube, damp and hot sample gas by inlet end input Nafion inner tube and is removed online
Water is dried, and utilizes the variable concentrations of tube wall both sides gas moisture pressure as driving force, makes the hydrone in sample gas pass through tube wall
Infiltrate into outside Nafion inner tube, and exported drying sample gas by outlet side；It is dried source of the gas, connects with outer tube, and near Nafion
The outlet side of inner tube, it is provided that dry source purge gas；Negative pressure blow device, connects setting with outer tube, and near Nafion inner tube
Inlet end, extraction is dried the source purge gas that source of the gas provides so that it is with steady pressure and flow by outer tube, and with in Nafion
Sample gas in pipe forms convection current, is arranged by negative pressure blow device by purging by the steam penetrated into outside Nafion inner tube
Go out.
The outer tube of described Nafion drying tube is made up of plastics or metal material；Described Nafion drying tube
Nafion inner tube is linear, or U-shaped, or O shape, or S-shaped.
The drying device of described gas detection logging sample gas also comprises: drying tube heater, and its cladding is arranged on
The outside of the outer tube of Nafion drying tube, carries out temperature control heating to Nafion drying tube；Described dry heat device passes through PTC
Self limiting temperature mode or pid control mode carry out temperature control, heat Nafion drying tube；Described dry heat device
Use heat exchange pattern, or thermal convection current mode, or Nafion drying tube is heated by heat radiation mode.
Described negative pressure blow device comprises: the first connecting tube, and one end connects outer tube, and near the air inlet of Nafion inner tube
End, the other end connects air；Air pump, is arranged in the first connecting tube, and extraction is dried the source purge gas that source of the gas provides, at outer tube
The negative pressure purging air-flow of interior formation continuous-stable, and the pressure of this purging air-flow is less than the pressure of sample gas；Vapour lock, connects and arranges
Between dry source of the gas and outer tube.
The air pump of described negative pressure blow device uses membrane pump, or peristaltic pump, or plunger displacement pump.
The dew point of the source purge gas that described dry source of the gas provides is less than the dew point of sample gas.
Described dry source of the gas uses and is dried instrument wind, or external desiccant, or external semiconductor refrigerating exsiccator.
Described dry source of the gas comprises: the second connecting tube, and one end connects outer tube, and near the outlet side of Nafion inner tube；
Two position three-way valve, its first end connects the other end of the second connecting tube by vapour lock；First drying, internal filling is renewable dry
Drying prescription, one end connects air or dry instrument wind, and the other end connects the second end of two position three-way valve by pipeline；Second is dried
Cylinder, the renewable desiccant of internal filling, one end connects air or dry instrument wind, and the other end connects two position three-way valve by pipeline
The 3rd end；Described two position three-way valve is that manually or automatically between the first drying and the second drying, switching connects
Logical.
The present invention also provides for the drying means of a kind of gas detection logging sample gas, uses above-mentioned drying device to realize, and utilizes
The variable concentrations of the tube wall both sides gas moisture pressure of Nafion inner tube, as driving force, makes the hydrone in sample gas pass through tube wall
Infiltrate into outside Nafion inner tube, and utilize negative pressure blow device pipe outside to form the dry purging gas of continuous-stable, with
Sample gas in Nafion inner tube forms convection current, is filled by negative pressure purging by purging by the steam penetrated into outside Nafion inner tube
Put place to discharge, it is achieved sample gas is dried except water.
It is on-the-spot that described drying means is applicable to oil exploration gas detection logging, for the tiny structure to negative pressure≤0.02MPa
The sample gas of sampling carries out continuously the most lossless being dried except water；Or it is on-the-spot to be applicable to various continuous on-line gas analysis, use
Carry out the most lossless being dried except water in the sample gas that the tiny structure of negative pressure≤0.02MPa is sampled.
In sum, the drying device of gas detection logging sample gas provided by the present invention and drying means, based on Nafion
Drying tube is except the feature of water, simple in construction, and with low cost, applied widely, rate of drying is fast, in dependable performance, and sample gas
Hydrocarbon component to be checked unaffected, it is possible to achieve online lossless being dried except water to tiny structure sampling sample gas, it is adaptable to stone
Exploration activity gas detection logging is on-the-spot, or the various pre-treatment needing on-line gas analysis is dried field, especially for being furnished with perseverance
Temperature constant flow degasser and supporting heating sample line carry out high boiling hydrocarbon component (such as C1～C8 gas cls analysis) gas detection logging
Occasion.
Accompanying drawing explanation
Fig. 1 is the structural representation of the drying device of the gas detection logging sample gas in the present invention；
Fig. 2 is the structural representation of the dry source of the gas in the present invention.
Detailed description of the invention
Below in conjunction with Fig. 1 and Fig. 2, by describing a preferably specific embodiment in detail, the present invention is done and explains further
State.
As it is shown in figure 1, be the drying device of gas detection logging sample gas provided by the present invention, connect and be arranged on negative pressure-pumping
Sample gas pipeline in；Comprise: Nafion drying tube, by an outer tube 12 and be arranged at least in this outer tube 12
Nafion inner tube 11 forms, and damp and hot sample gas is according to the solid arrow direction in Fig. 1 by inlet end input Nafion inner tube 11 also
Carry out, online except water is dried, utilizing the variable concentrations of tube wall both sides gas moisture pressure as driving force, making the moisture in sample gas
Son is infiltrated into outside Nafion inner tube 11 by tube wall, and is exported drying sample gas by outlet side；It is dried source of the gas 4, with outer tube 12 even
Logical, and near the outlet side of Nafion inner tube 11, it is provided that dry source purge gas；Negative pressure blow device, connects with outer tube 12 and sets
Put, and near the inlet end of Nafion inner tube 11, extraction is dried the source purge gas that source of the gas 4 provides so that it is with steady pressure and stream
Measure according to the dotted arrow direction in Fig. 1 by outer tube 12, and form convection current with the sample gas in Nafion inner tube 11, will infiltration
Steam outside Nafion inner tube 11 is discharged by negative pressure blow device by purging.
The outer tube 12 of described Nafion drying tube is made up of plastics or metal material, the most also has in protection Nafion
The effect of pipe 11.
The Nafion inner tube 11 of described Nafion drying tube can have various shape, specially linear, or U-shaped,
Or O shape, or S-shaped etc..
The drying device of described gas detection logging sample gas also comprises: drying tube heater 3, and its cladding is arranged on
The outside of the outer tube 12 of Nafion drying tube, carries out temperature control heating to Nafion drying tube.
Described dry heat device 3 is by PTC(Positive Temperature Coefficient, positive temperature system
Number) self limiting temperature mode or PID(proportional-integral-differential) control mode carries out temperature control, Nafion drying tube added
Heat, it is to avoid cause water vapor condensation because of variations in temperature when damp and hot sample gas enters Nafion drying tube.
Described dry heat device 3 can use heat exchange pattern, or thermal convection current mode, or heat radiation mode etc. is right
Nafion drying tube heats.
In the present embodiment, described dry heat device 3 uses PTC self limiting temperature mode to carry out temperature control, and uses
Nafion drying tube is heated by heating tape voluble wrapping mode, makes the temperature in Nafion drying tube add heat pipe with sample gas
The temperature of line keeps consistent, it is thus possible to avoid enter into what the sample gas in Nafion drying tube caused because temperature reduces suddenly
Water vapor condensation, thus affect drying effect.Further, the mode using PTC self limiting temperature and heating tape voluble wrapping can letter
Change the structure of dry heat device 3, control cost, beneficially field popularization application.
Described negative pressure blow device comprises: the first connecting tube 23, and one end connects outer tube 12, and near Nafion inner tube 11
Inlet end, the other end connect air；Air pump 21, is arranged in the first connecting tube 23, and extraction is dried the purging that source of the gas 4 provides
Source of the gas, forms the negative pressure purging air-flow of continuous-stable in outer tube 12, for working online continuously of Nafion drying tube, and will infiltration
Steam outside Nafion inner tube 11 is discharged by the first connecting tube 23 by purging；Vapour lock 22, connects and is arranged on dry source of the gas 4
And between outer tube 12.
According to different operating modes, the air pump 21 of described negative pressure blow device can use membrane pump, or peristaltic pump, or post
Plug pump etc..
In the present embodiment, described air pump 21 uses membrane pump.And according to Nafion inner tube 11 except water characteristic, every
The purging negative pressure of air-flow that membrane pump and vapour lock 22 are provided and flow need to meet equation below:
Vp=Vs/[(Ps/1.05Pv)-1]；
Wherein, VpIt is purge gas flow, VsIt is sample gas flow, PvIt is purge gas absolute pressure, PsIt it is sample gas absolute pressure.
It can be seen that (be equivalent to the negative of about 0.005Mpa when sample gas is in the absolute pressure of about 0.095MPa from above-mentioned formula
Pressure) continuous sucking state time, for ensure Nafion inner tube 11 water rem oval, purge gas pressure is necessarily less than sample gas pressure,
Satisfied water removal effect and suitable purge gas flow could be obtained.Therefore, in the present embodiment, negative pressure blow device
Purge gas absolute pressure and flow are respectively set to 0.06MPa and 1.5L/min, thus the sample gas of 900mL/min can be met
The online water that removes is dried.
Described dry source of the gas 4 provides the source purge gas being dried for negative pressure blow device 2, and the dew point of purging gas is less than
Sample gas.Generally, the dry instrument wind in oil-gas exploration site mud logging instrument shelter can meet wanting of dry source of the gas 4
Ask.Especially, during gas detection logging, for coordinating the analysis of C1～C8 hydrocarbon component in sample gas, constant-temperature constant-current can be selected to take off
Mechanism of qi and heating sample transfer pipeline.Therefore, during heated and stirred drilling fluid and high temperature transmit sample gas, can carry secretly
Substantial amounts of steam.In order to reach the drying effect of preferable sample gas, the most external other of dry source of the gas 4 in the present invention are dried
Equipment, the most renewable desiccant or semiconductor refrigerating exsiccator etc., thus reduce the dew point of purging gas further, improve
The Nafion drying tube drying effect to sample gas.
In the present embodiment, as in figure 2 it is shown, described dry source of the gas 4 comprises: the second connecting tube 44, one end connects outer tube 12,
And near the outlet side of Nafion inner tube 11；Two position three-way valve 43, its first end connects the second connecting tube 44 by vapour lock 22
The other end；First drying 41, the renewable desiccant of internal filling, one end connects air or dry instrument wind, and the other end passes through
Pipeline connects the second end of two position three-way valve 43；The second drying 42 being provided separately with the first drying 41, internal filling can
Regeneration desiccant, one end connects air or dry instrument wind, and the other end connects the 3rd end of two position three-way valve 43 by pipeline.Dry
During dry, two position three-way valve 43 first connects the first drying 41 of side, it is provided that the source purge gas being dried.The second of opposite side
Drying 42 is standby, when the desiccant in the first drying 41 lost efficacy, only need to be switched to by two position three-way valve 43 dry with second
Dry cylinder 42 connects, and can realize on-line uninterruption provides the source purge gas being dried.And doing in the first drying 41 lost efficacy
Drying prescription can be reused after regeneration.
Described two position three-way valve 43 is manually or automatically to cut between the first drying 41 and the second drying 42
Change connection.
Described renewable desiccant is variable color silica gel, or molecular sieve, or anhydrous calcium chloride etc..
The present invention also provides for the drying means of a kind of gas detection logging sample gas, uses above-mentioned drying device to realize, and utilizes
The variable concentrations of the tube wall both sides gas moisture pressure of Nafion inner tube 11, as driving force, makes the hydrone in sample gas by pipe
Wall infiltrates into outside Nafion inner tube 11, and utilizes negative pressure blow device to form the dry purging gas of continuous-stable at outer tube 12,
Convection current is formed, by the steam penetrated into outside Nafion inner tube 11 by purging by negative pressure with the sample gas in Nafion inner tube 11
Discharge at blow device, it is achieved sample gas is dried except water.
It is on-the-spot that described drying means is applicable to oil exploration gas detection logging, for the tiny structure to negative pressure≤0.02MPa
The sample gas of sampling carries out continuously the most lossless being dried except water；Or it is on-the-spot to be applicable to various continuous on-line gas analysis, use
Carry out the most lossless being dried except water in the sample gas that the tiny structure of negative pressure≤0.02MPa is sampled.
In sum, the drying device of gas detection logging sample gas provided by the present invention and drying means, based on Nafion
Drying tube is except the feature of water, simple in construction, and with low cost, applied widely, rate of drying is fast, in dependable performance, and sample gas
Hydrocarbon component to be checked unaffected, it is possible to achieve online lossless being dried except water to tiny structure sampling sample gas, it is adaptable to stone
Exploration activity gas detection logging is on-the-spot, or the various pre-treatment needing on-line gas analysis is dried field, especially for being furnished with perseverance
Temperature constant flow degasser and supporting heating sample line carry out high boiling hydrocarbon component (such as C1～C8 gas cls analysis) gas detection logging
Occasion.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read foregoing, for the present invention's
Multiple amendment and replacement all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a drying device for gas detection logging sample gas, connects in the sample gas pipeline being arranged on negative pressure-pumping；Its feature exists
In, comprise:
Nafion drying tube, is made up of an outer tube and at least Nafion inner tube being arranged in this outer tube, damp and hot sample
Product gas is by inlet end input Nafion inner tube and carries out, online except water is dried, utilizing the variable concentrations of tube wall both sides gas moisture pressure
As driving force, make the hydrone in sample gas be infiltrated into outside Nafion inner tube by tube wall, and be dried sample by outlet side output
Product gas；
It is dried source of the gas, connects with outer tube, and near the outlet side of Nafion inner tube, it is provided that dry source purge gas；
Negative pressure blow device, connects setting with outer tube, and near the inlet end of Nafion inner tube, extraction is dried blowing of source of the gas offer
Scavenging source so that it is pass through outer tube with steady pressure and flow, and form convection current with the sample gas in Nafion inner tube, will penetrate into
Steam outside Nafion inner tube is discharged by negative pressure blow device by purging.
2. the drying device of gas detection logging sample gas as claimed in claim 1, it is characterised in that described Nafion drying tube
Outer tube be made up of plastics or metal material；The Nafion inner tube of described Nafion drying tube is linear, or U-shaped, or O
Shape, or S-shaped.
3. the drying device of gas detection logging sample gas as claimed in claim 1, it is characterised in that also comprise: drying tube heats
Device, cladding is arranged on the outside of the outer tube of Nafion drying tube, Nafion drying tube is carried out temperature control heating；
Described dry heat device carries out temperature control by PTC self limiting temperature mode or pid control mode, is dried Nafion
Pipe heats；
Described dry heat device uses heat exchange pattern, or thermal convection current mode, or heat radiation mode is to Nafion drying tube
Heat.
4. the drying device of gas detection logging sample gas as claimed in claim 1, it is characterised in that described negative pressure blow device
Comprise:
First connecting tube, one end connects outer tube, and near the inlet end of Nafion inner tube, the other end connects air；
Air pump, is arranged in the first connecting tube, and extraction is dried the source purge gas that source of the gas provides, and forms continuous-stable within the outer tube
Negative pressure purging air-flow, and the pressure of this purging air-flow is less than the pressure of sample gas；
Vapour lock, connects and is arranged between dry source of the gas and outer tube.
5. the drying device of gas detection logging sample gas as claimed in claim 4, it is characterised in that described negative pressure blow device
Air pump use membrane pump, or peristaltic pump, or plunger displacement pump.
6. the drying device of gas detection logging sample gas as claimed in claim 1, it is characterised in that described dry source of the gas provides
The dew point of source purge gas less than the dew point of sample gas.
7. the drying device of gas detection logging sample gas as claimed in claim 6, it is characterised in that described dry source of the gas uses
It is dried instrument wind, or external desiccant, or external semiconductor refrigerating exsiccator.
8. the drying device of gas detection logging sample gas as claimed in claim 7, it is characterised in that described dry source of the gas bag
Contain:
Second connecting tube, one end connects outer tube, and near the outlet side of Nafion inner tube；
Two position three-way valve, its first end connects the other end of the second connecting tube by vapour lock；
First drying, the renewable desiccant of internal filling, one end connects air or dry instrument wind, and the other end is by pipeline even
Connect the second end of two position three-way valve；
Second drying, the renewable desiccant of internal filling, one end connects air or dry instrument wind, and the other end is by pipeline even
Connect the 3rd end of two position three-way valve；
Described two position three-way valve is manually or automatically switching connection between the first drying and the second drying.
9. a drying means for gas detection logging sample gas, uses the drying device as according to any one of claim 1～8 real
Existing；It is characterized in that,
Utilize the variable concentrations of tube wall both sides gas moisture pressure of Nafion inner tube as driving force, make the hydrone in sample gas
Infiltrated into outside Nafion inner tube by tube wall, and utilize negative pressure blow device pipe outside to form the dry purge gas of continuous-stable
Sample gas in body, with Nafion inner tube forms convection current, by the steam penetrated into outside Nafion inner tube by purging by negative pressure
Discharge at blow device, it is achieved sample gas is dried except water.
10. the drying means of gas detection logging sample gas as claimed in claim 9, it is characterised in that described drying means is fitted
On-the-spot for oil exploration gas detection logging, the sample gas for sampling the tiny structure of negative pressure≤0.02MPa carries out the most online
Lossless it is dried except water；Or it is on-the-spot to be applicable to various continuous on-line gas analysis, for the tiny structure to negative pressure≤0.02MPa
The sample gas of sampling carries out continuously the most lossless being dried except water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610823551.7A CN106178854B (en) | 2016-09-14 | 2016-09-14 | A kind of drying device and drying means of gas detection logging sample gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610823551.7A CN106178854B (en) | 2016-09-14 | 2016-09-14 | A kind of drying device and drying means of gas detection logging sample gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106178854A true CN106178854A (en) | 2016-12-07 |
| CN106178854B CN106178854B (en) | 2019-07-26 |
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Family Applications (1)
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| CN201610823551.7A Active CN106178854B (en) | 2016-09-14 | 2016-09-14 | A kind of drying device and drying means of gas detection logging sample gas |
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| CN109765083A (en) * | 2018-12-26 | 2019-05-17 | 西安交通大学 | A kind of sampling of high-humidity gas fume particle and measuring device and its application method |
| CN109839424A (en) * | 2017-11-27 | 2019-06-04 | 中国科学院大连化学物理研究所 | A kind of pre-treating method for the direct mass spectrography detection of pentane in expiratory air |
| CN112815640A (en) * | 2020-12-30 | 2021-05-18 | 苏州富强科技有限公司 | Drying device applied to dialysis tube |
| CN115015503A (en) * | 2022-05-30 | 2022-09-06 | 中国海洋大学 | Ocean radon in-situ measurement device and measurement method |
| CN116296714A (en) * | 2023-05-24 | 2023-06-23 | 胜利油田胜油测录工程技术有限公司 | Gas processing device for well head end analysis of logging engineering |
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| CN106596868A (en) * | 2017-01-21 | 2017-04-26 | 江苏旭龙环境科技有限公司 | Deoiling and anti-clogging VOCs online monitoring apparatus |
| CN106770979A (en) * | 2017-01-21 | 2017-05-31 | 江苏旭龙环境科技有限公司 | The anti-blocking VOCs on-Line Monitor Devices of one kind water removal |
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| CN109839424B (en) * | 2017-11-27 | 2021-06-01 | 中国科学院大连化学物理研究所 | Pretreatment method for direct mass spectrometry detection of n-pentane in exhaled breath |
| CN109765083A (en) * | 2018-12-26 | 2019-05-17 | 西安交通大学 | A kind of sampling of high-humidity gas fume particle and measuring device and its application method |
| CN112815640A (en) * | 2020-12-30 | 2021-05-18 | 苏州富强科技有限公司 | Drying device applied to dialysis tube |
| CN115015503A (en) * | 2022-05-30 | 2022-09-06 | 中国海洋大学 | Ocean radon in-situ measurement device and measurement method |
| CN116296714A (en) * | 2023-05-24 | 2023-06-23 | 胜利油田胜油测录工程技术有限公司 | Gas processing device for well head end analysis of logging engineering |
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