CN106596185A - Device and method for sampling oil product in different spatial positions of small-size container - Google Patents
Device and method for sampling oil product in different spatial positions of small-size container Download PDFInfo
- Publication number
- CN106596185A CN106596185A CN201611123402.6A CN201611123402A CN106596185A CN 106596185 A CN106596185 A CN 106596185A CN 201611123402 A CN201611123402 A CN 201611123402A CN 106596185 A CN106596185 A CN 106596185A
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- sampling
- layer sleeve
- oil
- slideway
- gage
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent 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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- 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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a device and a method for sampling oil products in different spatial positions of a small-size container. The device comprises a sampling unit, a measure gauge, a slideway ruler and fixing devices, wherein the bottom end of the measure gauge is fixed at the upper part of the sampling unit; the upper part of the measure gauge is arranged inside the slideway ruler in a sliding manner; the fixing devices are arranged at two ends of the slideway ruler. The device provided by the invention is put into an oil tank in the experiment process, and a sampling cavity space is sealed by using a method of rotating an outer-layer sleeve after the experiment is completed, so that an oil sample in the oil tank is not disturbed in the whole process, particularly the oil sample is prevented from being disturbed by other sampling methods in the sampling process of an indoor small-size container, and properties of oil samples in different spatial positions can be really reflected by taken oil samples.
Description
Technical field
The present invention relates to a kind of suitable for the sampler of different spatial oil sampling and sampling side in small containers
Method, can realize accurate efficient sampling operation to the oil sample of different specified locations in container.The invention has very wide being suitable for
Property, can be widely applied to the fields such as petrochemical industry, as long as the liquid being related in the container inconsistent situation of property everywhere, all
Sampler of the present invention can be taken.
Background technology
Wax deposit in crude oil pipeline is to affect one of the safe Tough questions that flow in oil exploitation and transportation.Closely
Nian Lai, oil development gradually moves towards ocean from land, occurs submarine pipeline low temperature transportation problem thereupon, and waxy crude oil is in pipe
The probability that wax deposit occurs when flowing in road is greatly increased.Wax deposit reduces the circulation area of pipeline, increases pipe
Defeated pressure, reduces the conveying capacity of pipeline, the accident of the pipeline that even can result in blockage when serious.
Molecule diffusion mechanism is one of wax deposit mechanism for being widely recognized as, and the main drive of molecule diffusion is dissolving
Wax molecular concentration is poor, is caused by the temperature difference.Wax deposit cold finger laboratory method is to study method widely used when wax molecule spreads, can be with
Radial temperature difference is centrally formed to oil tank in oil tank wall, wax molecule is spread and is deposited to the cold finger wall at center, in radial shape
Into wax molecular concentration field.Meanwhile, the convective motion that oil sample inside produces makes concentration of the wax molecule in oil tank at differing heights
It is different.The wax molecular concentration and wax molecule carbon number distribution of various location in analysis oil tank, contributes to disclosing wax from microcosmic angle
Molecule rule.Therefore, how accurately to sample, it is most important to subsequent analysis process.
In petrochemical industry, because material diffusion or convective motion cause the concentration or other properties of liquid solute to exist
The situation that locus change is much.Realize the quick and precisely sampling of locus, to the monitoring of this kind of situation and
In-depth analysis is all very beneficial.
The content of the invention
The present invention provides a kind of sampler and sampling method of different spatial oil sample in small containers, for accurate
Oil sample at differing heights in oil tank, radial position is realized to sample simultaneously, and is existed without interference with each group fractionated molecule in oil sample
Proper motion in container.
First aspect present invention provides small containers different spatial oil sampling device, including：Sampling unit, amount
Chi, slideway chi and fixing device；The bottom of described gage is fixed on the top of sampling unit, and the top of gage is slidably arranged in
In slideway chi, the two ends of slideway chi arrange fixing device；Described sampling unit at least provided with two, each sampling unit bag
Include inner layer sleeve, outer layer sleeve and sampling cavity；Sampling cavity is closed at both ends, the cylindrical cavity of lateral opening, and sampling cavity is fixed
In inner layer sleeve, the outside suit outer layer sleeve of inner layer sleeve, outer layer sleeve is brought into close contact and around internal layer set with inner layer sleeve
Pipe rotates, and the tube wall of inner layer sleeve and outer layer sleeve is provided with tube seat corresponding with sampling cavity opening.
Described inner layer sleeve axially displaced section is provided with multiple sampling cavities.
By arranging rotary apparatuss rotation between the outer layer sleeve and inner layer sleeve, described rotary apparatuss include rotation
Axle and steel ball, trocar sheath is set to projective structure at rotary shaft, and the inner space at projective structure arranges steel ball, and steel ball is tight
It is centered around in the outside wall surface of inner layer sleeve, convenient mutually rotation；Rotary shaft is respectively arranged on the upper/lower terminal of internal and external casing.
Described rotary shaft is arranged on the upper and lower ends of inside and outside layer sleeve pipe.
Sealing rubber strip is provided with the circular groove tangent plane of described sampling cavity, sealing rubber strip width is more than sampling lumen wall
Thickness, forms the magnitude of interference.
Described gage removable vertical is arranged at inner layer sleeve upper edge, and gage is provided with scale.
The slideway chi is vertical with gage, and slideway chi is provided with the chute of scale and strip, sets between gage and slideway chi
Fixed cell is put, fixed cell includes pulley and fixed mount, and pulley is slidably arranged on the chute of slideway chi, and fixed mount setting is supplied
The duct that gage is passed through, gage is controlled elastic by elasticity bolt.
Described sampling unit is preferably provided to the row of three row three.
Second aspect present invention provides a kind of sampling method suitable for oil sample at small containers different spatial, its energy
The oil sample of diverse location in oil tank quickly, is accurately sampled using sampler, is comprised the steps：
a）Assembling sampler, gage is coupled with inner layer sleeve, and gage is through the duct of slideway upper holder and fixed, just
Step assembles a whole set of sampler；
b）Experiment is placed on sampler in oil tank before starting, and rotating outer layer sleeve makes the half of its semicircle tube seat and sampling cavity
Round tube groove location is overlapped, it is ensured that the diameter that plane residing for the tangent plane of the semicircle tube seat of sampling cavity passes through oil tank, so can be with
Impact of the equipment to wax molecule radial diffusion path in oil sample is avoided, the true property of diverse location sample is reacted；
c）According to experiment needs, the reading of gage and slideway chi is adjusted, determine the position in oil tank of sampling cavity；
d）Before experiment terminates, 180 ° of outer layer sleeve is rotated, it is ensured that sampling cavity is sealed, then unclamp slideway chi fixing device, will
Sampler lifts out oil tank.
Step d）Also include step e afterwards）, will be equipped with drawn oil sample ectonexine sleeve pipe horizontal in supporting groove box
Interior, groove box shaped is consistent with ectonexine sleeve pipe, can fix sampling cavity, and convenient cleaning residual oil product；It is slowly rotating outer layer jacket
About 20 ° of pipe, exposes drawing oil sample, and with suction pipe oil sample is drawn, and is transferred in sampling bottle and properly preserves, to carry out subsequent analysis.
Of the invention the characteristics of and advantage are：The sampler of the present invention is positioned in oil tank in experimentation, experiment knot
By the closely sealed sampling cavity space of method of rotation outer layer sleeve after beam, the oil sample in oil tank will not be disturbed in whole process, especially
It is for the sampling process in indoor small containers, it is to avoid disturbances of other sampling methods to oil sample, draw oil sample can be very
The property of real reflection different spatial oil sample.Additionally, sampler is designed to semicircular tube seat structure, and in experimentation
The section of semicircular tube seat structure is consistent with the radial direction of oil tank, and sampler can be avoided to affect oil product molecule radially
Diffusion on direction, it is ensured that the accuracy of experiment.In addition, the sampler of present invention design is provided with gage and slideway chi, pulley
And fixed mount etc., can fast and accurately determine space coordinatess residing for sampling cavity, accomplish spot sampling.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is structural representation of the sampler of the present invention in cold finger equipment.
Fig. 2 is the sampler schematic diagram of the array structure of three row three of the present invention.
Fig. 3 is sampling cavity structural representation.
Fig. 4 is the structural representation of the inner layer sleeve with sampling cavity.
Fig. 5 is outer layer sleeve structural representation.
Fig. 6 is the sealing rubber strip structural representation on sampling cavity round tube grooved profile.
Fig. 7 a are ectonexine sleeve rotating cellular construction schematic diagram.
Fig. 7 b are the cross-sectional view of ectonexine sleeve rotating unit.
Fig. 8 is the structural representation that gage and gage are coupled with inner layer sleeve.
Fig. 9 is slideway cellular construction schematic diagram.
Figure 10 is gage and slideway chi fixed cell structural representation in chute.
In figure, 10- oil tanks；11- cold finger devices；12- samplers；101- sampling units；70- inner layer sleeves and gage
Fixed cell；80- rotary apparatuss；60- fixed cells；50- slideway chis；51- fixing devices；52- chutes；53- slideway chi scales；
71- gages；1- disks；2- semicircle tube seats；4- inner layer sleeves；Sampling cavity on 41- inner layer sleeves；21- tube seats；22- outer layers
Sleeve pipe；3- sealing joint strips；81- rotary shafts；82- steel balls；83- ectonexine casing main bodies；72- gages are coupled with inner layer sleeve
Device；The base on 73- inner layer sleeves top；61- pulleys；62- ducts；63- bolts hole；64- elasticity bolts；65- fixed mounts.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As illustrated, the small containers different spatial oil sampling device that the present invention is provided may be installed cold finger experiment dress
Put and use, it includes cold finger 11, oil tank 10, the three parts of sampler 12, and the core content of invention is sampler 12, its
Mainly include：Sampling unit 101, gage 71, slideway chi 50 and fixing device 51；The bottom of described gage 71 is fixed on
The top of sampling unit, the top of gage is slidably arranged in slideway chi 50, and the two ends of slideway chi 50 arrange fixing device 51；Institute
The sampling unit stated is arranged to the row of three row three, can all get representational position oil sample.Each sampling unit includes
Inner layer sleeve 4, outer layer sleeve 22 and sampling cavity；Sampling cavity is closed for two ends by disk 1, lateral opening forms semicircle tube seat 2
Cylindrical cavity, sampling cavity is fixed in inner layer sleeve 4, the outside suit outer layer sleeve 22 of inner layer sleeve, outer layer sleeve with
Inner layer sleeve is brought into close contact and rotates around inner layer sleeve, and the tube wall of inner layer sleeve and outer layer sleeve is provided with corresponding with sampling cavity opening
Tube seat.
Described inner layer sleeve can axially displaced section be provided with multiple sampling cavities.
By arranging rotary apparatuss rotation between the outer layer sleeve and inner layer sleeve, described rotary apparatuss include rotation
Axle 81 and steel ball, trocar sheath is set to projective structure at rotary shaft, and the inner space at projective structure arranges steel ball, and steel ball is tight
It is close to be centered around in the outside wall surface of inner layer sleeve, convenient mutually rotation；Rotary shaft is respectively arranged on the upper/lower terminal of internal and external casing.
Described rotary shaft is arranged on the upper and lower ends of inside and outside layer sleeve pipe.
Sealing rubber strip 3 is provided with the circular groove tangent plane of described sampling cavity, sealing rubber strip width is more than sampling lumen
Wall thickness, forms the magnitude of interference so that outer layer sleeve is fastened closely with sampling cavity, prevents oil sample from leaking.
The described removable vertical of gage 71 is arranged at inner layer sleeve upper edge, and gage is provided with scale；Gage 71 with it is interior
The base 73 of layer sleeve pipe is coupled by gage with the hookup 72 of inner layer sleeve.
The slideway chi 50 is vertical with gage 71, and slideway chi is provided with the chute 52 of scale 53 and strip, gage and slideway
Fixed cell 60 is set between chi, and fixed cell includes pulley 61 and fixed mount 65, and pulley is slidably arranged in the chute of slideway chi
On, gage 71 is passed through duct 62 by the duct 62 that fixed mount setting is passed through for gage, and by bolt hole 63, elasticity bolt 64
Fix with fixed mount 65, whole gage and slideway chi fixed cell 60 are put in the chute 52 of slideway chi middle setting, pulley
61 can be such that it moves horizontally in chute 52；The radial position of sampling cavity can be read.
The size of the sampling cavity can be adjusted according to the withdrawal amount of required sample.
In a preferred embodiment, the inner layer sleeve is brought into close contact with outer layer sleeve and can rotate each other,
But cannot move up and down each other.
In a preferred embodiment, the gage can be dismantled, and be connected on inner layer sleeve during experiment.
In a preferred embodiment, the slideway can be dismantled, and be fixed with gage during experiment, and gage drives ectonexine set
Pipe is moved together along slideway.
, suitable for the sampling method of oil sample at small containers different spatial, it can be using sampler to oil for the present invention
The oil sample of diverse location quickly, is accurately sampled in tank, is comprised the steps：
a）Assembling sampler, gage is coupled with inner layer sleeve, and gage is through the duct of slideway upper holder and fixed, just
Step assembles a whole set of sampler；
b）Experiment is placed on sampler in oil tank before starting, and rotating outer layer sleeve makes the half of its semicircle tube seat and sampling cavity
Round tube groove location is overlapped, it is ensured that the diameter that plane residing for the tangent plane of the semicircle tube seat of sampling cavity passes through oil tank, so can be with
Impact of the equipment to wax molecule radial diffusion path in oil sample is avoided, the true property of diverse location sample is reacted；
c）According to experiment needs, the reading of gage and slideway chi is adjusted, determine the position in oil tank of sampling cavity；
d）Before experiment terminates, 180 ° of outer layer sleeve is rotated, it is ensured that sampling cavity is sealed, then unclamp slideway chi fixing device, will
Sampler lifts out oil tank.
Step d）Also include step e afterwards）, will be equipped with drawn oil sample ectonexine sleeve pipe horizontal in supporting groove box
Interior, groove box shaped is consistent with ectonexine sleeve pipe, can fix sampling cavity, and convenient cleaning residual oil product；It is slowly rotating outer layer jacket
About 20 ° of pipe, exposes drawing oil sample, and with suction pipe oil sample is drawn, and is transferred in sampling bottle and properly preserves, to carry out subsequent analysis.
Apparatus of the present invention must assure that sampling cavity is immersed in oil tank in implementation process, and the top for sampling sleeve has necessarily
Height more than pasta, rotation process for convenience, it is some higher that the height of outer layer sleeve can be arranged；In addition, and internal layer
The height of the connected gage of sleeve pipe is higher, and it is connected with each other with inner layer sleeve, and relative position is constant.Therefore, it is high by rotating
The method for moving inner layer sleeve rotation in the outer layer sleeve or rotation amount tape of pasta can realize rotation process, by sampling cavity
Sealing, completes sampling.The process of currently preferred rotation is rotation outer layer sleeve, now the only wall thickness width of outer layer sleeve
On to having slight disturbance, but oil sample of the disturbance in cavity space, institute on the track streaked during rotation to oil sample
Drawing oil sample can really react the oil sample property of different spatial；If rotation gage is sealed with driving inner layer sleeve
Sampling cavity, with the contact area of oil sample when rotating more than outer layer sleeve when being rotated due to inner layer sleeve, the disturbance to oil sample can slightly
It is micro- it is big a little but nor affect on the oil sample entirety in cavity space, equally can ensure that the reliability of sampling.
Claims (10)
1. small containers different spatial oil sampling device, it is characterised in that include：Sampling unit, gage, slideway chi and
Fixing device；The bottom of described gage is fixed on the top of sampling unit, and the top of gage is slidably arranged in slideway chi, sliding
The two ends of track forces arrange fixing device；Described sampling unit at least provided with two, each sampling unit include inner layer sleeve,
Outer layer sleeve and sampling cavity；Sampling cavity is closed at both ends, the cylindrical cavity of lateral opening, and sampling cavity is fixed on inner layer sleeve
Interior, the outside suit outer layer sleeve of inner layer sleeve, outer layer sleeve is brought into close contact and rotates around inner layer sleeve with inner layer sleeve, internal layer
The tube wall of sleeve pipe and outer layer sleeve is provided with tube seat corresponding with sampling cavity opening.
2. small containers different spatial oil sampling device according to claim 1, it is characterised in that described is interior
Layer sleeve pipe axially displaced section is provided with multiple sampling cavities.
3. small containers different spatial oil sampling device according to claim 1, it is characterised in that the outer layer
By arranging rotary apparatuss rotation between sleeve pipe and inner layer sleeve, described rotary apparatuss include rotary shaft and steel ball, trocar sheath
Projective structure is set at rotary shaft, the inner space at projective structure arranges steel ball, steel ball is closely surrounded in inner layer sleeve
Outside wall surface on, convenient mutually rotation；Rotary shaft is respectively arranged on the upper/lower terminal of internal and external casing.
4. small containers different spatial oil sampling device according to claim 3, it is characterised in that described rotation
Rotating shaft is arranged on the upper and lower ends of inside and outside layer sleeve pipe.
5. small containers different spatial oil sampling device according to claim 1, it is characterised in that described takes
Sealing rubber strip is provided with the circular groove tangent plane in sample chamber, sealing rubber strip width is more than sampling cavity pipe thickness, forms the magnitude of interference.
6. small containers different spatial oil sampling device according to claim 1, it is characterised in that described amount
Chi removable vertical is arranged at inner layer sleeve upper edge, and gage is provided with scale.
7. small containers different spatial oil sampling device according to claim 1, it is characterised in that the slideway
Chi is vertical with gage, and slideway chi is provided with the chute of scale and strip, and fixed cell is arranged between gage and slideway chi, fixed single
Unit includes pulley and fixed mount, and pulley is slidably arranged on the chute of slideway chi, the duct that fixed mount setting is passed through for gage, amount
Chi is controlled elastic by elasticity bolt.
8. small containers different spatial oil sampling device according to claim 1, it is characterised in that described takes
Sample unit is preferably provided to the row of three row three.
9. the sampling method of small containers different spatial oil sampling device according to claim 1, its feature exists
In comprising the steps：
a）Assembling sampler, gage is coupled with inner layer sleeve, and gage is through the duct of slideway upper holder and fixed, just
Step assembles a whole set of sampler；
b）Experiment is placed on sampler in oil tank before starting, and rotating outer layer sleeve makes the half of its semicircle tube seat and sampling cavity
Round tube groove location is overlapped, it is ensured that the diameter that plane residing for the tangent plane of the semicircle tube seat of sampling cavity passes through oil tank, so can be with
Impact of the equipment to wax molecule radial diffusion path in oil sample is avoided, the true property of diverse location sample is reacted；
c）According to experiment needs, the reading of gage and slideway chi is adjusted, determine the position in oil tank of sampling cavity；
d）Before experiment terminates, 180 ° of outer layer sleeve is rotated, it is ensured that sampling cavity is sealed, then unclamp slideway chi fixing device, will
Sampler lifts out oil tank.
10. the sampling method of small containers different spatial oil sampling device according to claim 9, its feature exists
In step d）Also include step e afterwards）, it is horizontal in supporting groove box to will be equipped with drawn oil sample ectonexine sleeve pipe, groove
Box shaped is consistent with ectonexine sleeve pipe, can fix sampling cavity, and convenient cleaning residual oil product；20 ° of outer layer sleeve is slowly rotating,
Expose drawing oil sample, with suction pipe oil sample is drawn, be transferred in sampling bottle and properly preserve, to carry out subsequent analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611123402.6A CN106596185B (en) | 2016-12-08 | 2016-12-08 | Small containers different spatial oil sampling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611123402.6A CN106596185B (en) | 2016-12-08 | 2016-12-08 | Small containers different spatial oil sampling device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106596185A true CN106596185A (en) | 2017-04-26 |
| CN106596185B CN106596185B (en) | 2019-06-04 |
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ID=58598643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611123402.6A Expired - Fee Related CN106596185B (en) | 2016-12-08 | 2016-12-08 | Small containers different spatial oil sampling device and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106596185B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108513A (en) * | 2019-04-28 | 2019-08-09 | 辽宁石油化工大学 | A kind of accurate thickness measuring of cold finger surface wax deposit and sampler and method |
| CN112241018A (en) * | 2020-10-09 | 2021-01-19 | 中核核电运行管理有限公司 | Gas cold finger sampling device |
| CN113532936A (en) * | 2021-09-17 | 2021-10-22 | 南通仁隆科研仪器有限公司 | Petroleum detection sampling device |
| CN117969181A (en) * | 2024-04-02 | 2024-05-03 | 中国地质大学（北京） | Sampling detection equipment for petroleum engineering |
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| CN106198104A (en) * | 2016-08-09 | 2016-12-07 | 陈知怡 | A kind of Novel sampling device and method |
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| CN112241018A (en) * | 2020-10-09 | 2021-01-19 | 中核核电运行管理有限公司 | Gas cold finger sampling device |
| CN113532936A (en) * | 2021-09-17 | 2021-10-22 | 南通仁隆科研仪器有限公司 | Petroleum detection sampling device |
| CN113532936B (en) * | 2021-09-17 | 2021-11-19 | 南通仁隆科研仪器有限公司 | Petroleum detection sampling device |
| CN117969181A (en) * | 2024-04-02 | 2024-05-03 | 中国地质大学（北京） | Sampling detection equipment for petroleum engineering |
| CN117969181B (en) * | 2024-04-02 | 2024-05-28 | 中国地质大学（北京） | Sampling detection equipment for petroleum engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106596185B (en) | 2019-06-04 |
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