CN106596185B - Small containers different spatial oil sampling device and method - Google Patents
Small containers different spatial oil sampling device and method Download PDFInfo
- Publication number
- CN106596185B CN106596185B CN201611123402.6A CN201611123402A CN106596185B CN 106596185 B CN106596185 B CN 106596185B CN 201611123402 A CN201611123402 A CN 201611123402A CN 106596185 B CN106596185 B CN 106596185B
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- sampling
- layer sleeve
- gage
- oil
- ruler
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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)
- 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 a kind of small containers different spatial oil sampling device and sampling method, sampler includes: sampling unit, gage, slideway ruler and fixed device;The bottom end of the gage is fixed on the top of sampling unit, and the top of gage is slidably arranged in slideway ruler, and fixed device is arranged in the both ends of slideway ruler.Sampler of the invention is placed in oil tank during the experiment, pass through the closely sealed sampling cavity space of method of rotation outer layer sleeve after experiment, the oil sample in oil tank will not be disturbed in whole process, especially for the sampling process in indoor small containers, disturbance of other sampling methods to oil sample is avoided, the property of different spatial oil sample can really be reflected by drawing oil sample.
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 designated positions different in container.The invention has very wide be applicable in
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 technique
Wax deposit in crude oil pipeline is to influence to flow safe one of serious problem in oil exploitation and transportational process.Closely
Nian Lai, oil development gradually move towards ocean from land, occur submarine pipeline low temperature transportation problem thereupon, waxy crude oil is in pipe
The probability that wax deposit occurs when flowing in road greatly increases.Wax deposit reduces the circulation area of pipeline, increases pipe
Defeated pressure reduces the conveying capacity of pipeline, even will cause the accident of blocking pipeline when serious.
Molecule diffusion mechanism is one of the wax deposit mechanism being widely recognized as, and the main drive of molecule diffusion is dissolution
Wax molecular concentration is poor, is caused by the temperature difference.Wax deposit cold finger experimental method is the method that is widely used when studying the diffusion of wax molecule, can be with
It is centrally formed radial temperature difference in oil tank wall to oil tank, so that wax molecule is spread and is deposited to the cold finger wall surface at center, in radial shape
At wax molecular concentration field.Meanwhile the convective motion generated inside oil sample, make concentration of the wax molecule in oil tank at different height
It is different.The wax molecular concentration and wax molecule carbon number distribution in oil tank at different location are analyzed, helps to disclose wax from microcosmic angle
Molecule rule.Therefore, how accurately to sample, it is most important to subsequent analysis process.
In petrochemical industry, since substance diffusion or convective motion cause the concentration of liquid solute or other properties to exist
The case where spatial position changes is much.The quick and precisely sampling for realizing spatial position, to the monitoring of this kind of situation and
In-depth analysis is all very beneficial.
Summary of the invention
The present invention provides the sampler and sampling method of different spatial oil sample in a kind of small containers, for accurate
Oil sample at different height in oil tank, radial position is realized while being sampled, and each group fractionated molecule in oil sample will not be interfered to exist
Proper motion in container.
First aspect present invention provides small containers different spatial oil sampling device, comprising: sampling unit, amount
Ruler, slideway ruler and fixed device;The bottom end of the gage is fixed on the top of sampling unit, and the top of gage is slidably arranged in
In slideway ruler, fixed device is arranged in the both ends of slideway ruler;The sampling unit is at least provided with two, each sampling unit packet
Include inner layer sleeve, outer layer sleeve and sampling cavity;Sampling cavity is the cylindrical cavity of side opening closed at both ends, and sampling cavity is fixed
In inner layer sleeve, the external of inner layer sleeve is set with outer layer sleeve, and outer layer sleeve and inner layer sleeve fit closely and around internal layer set
The tube wall of pipe rotation, inner layer sleeve and outer layer sleeve is equipped with tube seat corresponding with sampling cavity opening.
The inner layer sleeve axially displaced section is provided with multiple sampling cavities.
It is rotated between the outer layer sleeve and inner layer sleeve by setting rotating device, the rotating device includes rotation
Axis and steel ball, outer tube are set as projective structure at rotary shaft, and steel ball is arranged in the inner space at projective structure, and steel ball is close
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.
Including the described rotary shaft setting, the upper and lower ends of outer layer sleeve.
Sealing rubber strip is provided on the circular groove section of the sampling cavity, sealing rubber strip width is greater than sampling lumen wall
Thickness forms magnitude of interference.
The gage removable vertical is set to inner layer sleeve upper edge, and gage is equipped with scale.
The slideway ruler is vertical with gage, and slideway ruler is equipped with the sliding slot of scale and strip, sets between gage and slideway ruler
Fixed cell is set, fixed cell includes pulley and fixed frame, and pulley is slidably arranged on the sliding slot of slideway ruler, and fixed mount setting supplies
The duct that gage passes through, gage are controlled elastic by elasticity bolt.
The sampling unit is preferably provided to three rows three column.
Second aspect of the present invention provides a kind of sampling method suitable for oil sample at small containers different spatial, energy
It quickly, is accurately sampled, is included the following steps: using oil sample of the sampler to different location in oil tank
A) sampler is assembled, gage is coupled with inner layer sleeve, gage is passed through into the duct of slideway upper holder and is consolidated
It is fixed, tentatively assemble a whole set of sampler;
B) sampler is placed in oil tank by experiment before starting, and rotation outer layer sleeve makes its semicircle tube seat and sampling cavity
Semicircular pipe groove location overlapping, guarantee diameter of the plane locating for the section of the semicircle tube seat of sampling cavity by oil tank, in this way
Can influence to avoid equipment to wax molecule radial diffusion path in oil sample, react the true property of different location sample;
C) according to experiment needs, the reading of gage and slideway ruler is adjusted, determines the position in oil tank of sampling cavity;
D) before experiment terminates, 180 ° of outer layer sleeve are rotated, guarantees sampling cavity sealing, then by the fixed device pine of slideway ruler
It opens, sampler is lifted into out oil tank.
It further include step e) after the step d), it will be horizontal in matched slot box equipped with drawn oil sample ectonexine casing
Interior, slot box shaped is consistent with ectonexine casing, can fix sampling cavity, and residual oil product easy to clean;It is slowly rotating outer layer jacket
About 20 ° of pipe, will draw oil sample exposing, draws oil sample with suction pipe, is transferred in sampling bottle and properly saves, to carry out subsequent analysis.
The features of the present invention and advantage are: sampler of the invention is placed in oil tank during the experiment, experiment knot
By rotating the closely sealed sampling cavity space of method of outer layer sleeve after beam, the oil sample in oil tank will not be disturbed in whole process, especially
It is that disturbance of other sampling methods to oil sample is avoided for the sampling process in indoor small containers, drawing oil sample can be true
The property of real reflection different spatial oil sample.In addition, 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 oil product molecule can be influenced to avoid sampler in radial direction
Diffusion on direction guarantees the accuracy of experiment.In addition, the sampler that the present invention designs is equipped with gage and slideway ruler, pulley
And fixed frame etc., it can fast and accurately determine space coordinate locating for sampling cavity, accomplish spot sampling.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of sampler of the invention in cold finger equipment.
Fig. 2 is the sampler schematic diagram of three rows, three array structure of the invention.
Fig. 3 is sampling cavity structural schematic diagram.
Fig. 4 is the structural schematic diagram of the inner layer sleeve with sampling cavity.
Fig. 5 is outer layer sleeve structural schematic diagram.
Fig. 6 is the sealing rubber strip structural schematic diagram on sampling cavity round tube grooved profile.
Fig. 7 a is ectonexine sleeve rotating cellular construction schematic diagram.
Fig. 7 b is the schematic diagram of the section structure of ectonexine sleeve rotating unit.
Fig. 8 is the structural schematic diagram that gage and gage are coupled with inner layer sleeve.
Fig. 9 is slideway cellular construction schematic diagram.
Figure 10 is gage and slideway ruler fixed cell structural schematic diagram in sliding slot.
In figure, 10- oil tank;11- cold finger device;12- sampler;101- sampling unit;70- inner layer sleeve and gage
Fixed cell;80- rotating device;60- fixed cell;50- slideway ruler;51- fixes device;52- sliding slot;53- slideway ruler scale;
71- gage;1- disk;2- semicircle tube seat;4- inner layer sleeve;Sampling cavity on 41- inner layer sleeve;21- tube seat;22- outer layer
Casing;3- sealing joint strip;81- rotary shaft;82- steel ball;83- ectonexine casing main body;72- gage is coupled with inner layer sleeve
Device;The pedestal on 73- inner layer sleeve top;61- pulley;The duct 62-;63- bolt hole;64- elasticity bolt;65- fixed frame.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown, mountable test in cold finger of small containers different spatial oil sampling device provided by the invention fills
Set use comprising cold finger 11, oil tank 10,12 three parts of sampler, the core content of invention are sampler 12,
It mainly include: sampling unit 101, gage 71, slideway ruler 50 and fixed device 51;The bottom end of the gage 71 is fixed on
The top of sampling unit, the top of gage are slidably arranged in slideway ruler 50, and fixed device 51 is arranged in the both ends of slideway ruler 50;Institute
The sampling unit stated is arranged to three rows three column, representational position oil sample can all be got.Each sampling unit includes
Inner layer sleeve 4, outer layer sleeve 22 and sampling cavity;Sampling cavity is that both ends are open by the closing of disk 1, side and are formed semicircular pipe slot 2
Cylindrical cavity, sampling cavity is fixed in inner layer sleeve 4, and the external of inner layer sleeve is set with outer layer sleeve 22, outer layer sleeve with
Inner layer sleeve is fitted closely and is rotated around inner layer sleeve, and the tube wall of inner layer sleeve and outer layer sleeve is equipped with corresponding with sampling cavity opening
Tube seat.
The inner layer sleeve can axially displaced section be provided with multiple sampling cavities.
It is rotated between the outer layer sleeve and inner layer sleeve by setting rotating device, the rotating device includes rotation
Axis 81 and steel ball, outer tube are set as projective structure at rotary shaft, and steel ball is arranged in the inner space at projective structure, 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.
Including the described rotary shaft setting, the upper and lower ends of outer layer sleeve.
Sealing rubber strip 3 is provided on the circular groove section of the sampling cavity, sealing rubber strip width is greater than sampling lumen
Wall thickness forms magnitude of interference, so that outer layer sleeve and sampling cavity fasten closely, prevents oil sample from leaking.
71 removable vertical of gage is set to inner layer sleeve upper edge, and gage is equipped with scale;Gage 71 with it is interior
The pedestal 73 of layer casing is coupled by gage with the hookup 72 of inner layer sleeve.
The slideway ruler 50 is vertical with gage 71, and slideway ruler is equipped with the sliding slot 52 of scale 53 and strip, gage and slideway
Fixed cell 60 is set between ruler, and fixed cell includes pulley 61 and fixed frame 65, and pulley is slidably arranged in the sliding slot of slideway ruler
On, gage 71 is passed through duct 62, and passes through bolt hole 63, elasticity bolt 64 by the duct 62 that fixed mount setting is passed through for gage
It is fixed with fixed frame 65, entire gage and slideway ruler fixed cell 60 are put into the sliding slot 52 being arranged among slideway ruler, pulley
61 can be such that it moves horizontally in sliding slot 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 fitted closely with outer layer sleeve and can be rotated between each other,
But it cannot move up and down between each other.
In a preferred embodiment, the gage can be dismantled, and when experiment is connected on inner layer sleeve.
In a preferred embodiment, the slideway can be dismantled, and when experiment is fixed with gage, and gage drives ectonexine set
Pipe is moved along slideway together.
The present invention is suitable for the sampling method of oil sample at small containers different spatial, can be using sampler to oil
The oil sample of different location quickly, accurately samples in tank, includes the following steps:
A) sampler is assembled, gage is coupled with inner layer sleeve, gage is passed through into the duct of slideway upper holder and is consolidated
It is fixed, tentatively assemble a whole set of sampler;
B) sampler is placed in oil tank by experiment before starting, and rotation outer layer sleeve makes its semicircle tube seat and sampling cavity
Semicircular pipe groove location overlapping, guarantee diameter of the plane locating for the section of the semicircle tube seat of sampling cavity by oil tank, in this way
Can influence to avoid equipment to wax molecule radial diffusion path in oil sample, react the true property of different location sample;
C) according to experiment needs, the reading of gage and slideway ruler is adjusted, determines the position in oil tank of sampling cavity;
D) before experiment terminates, 180 ° of outer layer sleeve are rotated, guarantees sampling cavity sealing, then by the fixed device pine of slideway ruler
It opens, sampler is lifted into out oil tank.
It further include step e) after the step d), it will be horizontal in matched slot box equipped with drawn oil sample ectonexine casing
Interior, slot box shaped is consistent with ectonexine casing, can fix sampling cavity, and residual oil product easy to clean;It is slowly rotating outer layer jacket
About 20 ° of pipe, will draw oil sample exposing, draws oil sample with suction pipe, is transferred in sampling bottle and properly saves, 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 centainly
Height is more than pasta, and in order to facilitate rotation process, the height of outer layer sleeve be can be set some higher;In addition, and internal layer
The height of the connected gage of casing is higher, is connected with each other with inner layer sleeve, and relative position is constant.Therefore, high by rotation
Rotation process can be realized in the method that the outer layer sleeve or rotation amount tape of pasta move inner layer sleeve rotation, by sampling cavity
Sampling is completed in sealing.The process of currently preferred rotation is rotation outer layer sleeve, at this time the only wall thickness width of outer layer sleeve
On to rotation when the track streaked on have slight disturbance to oil sample, but not oil sample of the disturbance in cavity space, institute
The oil sample property of different spatial can really be reacted by drawing oil sample;It is sealed if it is rotation gage with driving inner layer sleeve
Sampling cavity can slightly to the disturbance of oil sample when due to inner layer sleeve rotation greater than outer layer sleeve rotation and the contact area of oil sample
It is micro- it is big a little but nor affect on the entirety of the oil sample in cavity space, can equally guarantee the reliability of sampling.
Claims (9)
1. small containers different spatial oil sampling device, characterized by comprising: sampling unit, gage, slideway ruler and
Fixed device;The bottom end of the gage is fixed on the top of sampling unit, and the top of gage is slidably arranged in slideway ruler, sliding
Fixed device is arranged in the both ends of track forces;The sampling unit at least provided with two, each sampling unit include inner layer sleeve,
Outer layer sleeve and sampling cavity;Sampling cavity is the cylindrical cavity of side opening closed at both ends, and sampling cavity is fixed on inner layer sleeve
Interior, the external of inner layer sleeve is set with outer layer sleeve, and outer layer sleeve and inner layer sleeve are fitted closely and rotated around inner layer sleeve, internal layer
The tube wall of casing and outer layer sleeve is equipped 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 casing 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
It is rotated between casing and inner layer sleeve by setting rotating device, the rotating device includes rotary shaft and steel ball, outer tube
Projective structure is set as at rotary shaft, steel ball is arranged in the inner space at projective structure, and 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 1, it is characterised in that described takes
Sealing rubber strip is provided on the circular groove section of sample chamber, sealing rubber strip width is greater than sampling cavity pipe thickness, forms magnitude of interference.
5. small containers different spatial oil sampling device according to claim 1, it is characterised in that the amount
Ruler removable vertical is set to inner layer sleeve upper edge, and gage is equipped with scale.
6. small containers different spatial oil sampling device according to claim 1, it is characterised in that the slideway
Ruler is vertical with gage, and slideway ruler is equipped with the sliding slot of scale and strip, and fixed cell is arranged between gage and slideway ruler, fixed single
Member includes pulley and fixed frame, and pulley is slidably arranged on the sliding slot of slideway ruler, the duct that fixed mount setting is passed through for gage, amount
Ruler is controlled elastic by elasticity bolt.
7. small containers different spatial oil sampling device according to claim 1, it is characterised in that described takes
Sample unit is preferably provided to three rows three column.
8. the sampling method of small containers different spatial oil sampling device according to claim 1, feature exist
In including the following steps:
A) sampler is assembled, gage is coupled with inner layer sleeve, gage is passed through to duct and the fixation of slideway ruler upper holder,
Tentatively assemble a whole set of sampler;
B) sampler is placed in oil tank by experiment before starting, and rotation outer layer sleeve makes the half of its semicircle tube seat and sampling cavity
The overlapping of round tube groove location, guarantees diameter of the plane locating for the section of the semicircle tube seat of sampling cavity by oil tank, in this way can be with
Influence of the equipment to wax molecule radial diffusion path in oil sample is avoided, the true property of different location sample is reacted;
C) according to experiment needs, the reading of gage and slideway ruler is adjusted, determines the position in oil tank of sampling cavity;
D) before experiment terminates, 180 ° of outer layer sleeve are rotated, guarantees sampling cavity sealing, then unclamps the fixed device of slideway ruler, it will
Sampler lifts out oil tank.
9. the sampling method of small containers different spatial oil sampling device according to claim 8, feature exist
It further include step e) after the step d), by horizontal in matched slot box, the slot equipped with drawn oil sample ectonexine casing
Box shaped is consistent with ectonexine casing, can fix sampling cavity, and residual oil product easy to clean;It is slowly rotating outer layer sleeve about
20 °, will draw oil sample exposing, draws oil sample with suction pipe, is transferred in sampling bottle and properly saves, to carry out subsequent analysis.
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CN201611123402.6A CN106596185B (en) | 2016-12-08 | 2016-12-08 | Small containers different spatial oil sampling device and method |
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CN201611123402.6A CN106596185B (en) | 2016-12-08 | 2016-12-08 | Small containers different spatial oil sampling device and method |
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CN106596185A CN106596185A (en) | 2017-04-26 |
CN106596185B true CN106596185B (en) | 2019-06-04 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110108513B (en) * | 2019-04-28 | 2021-09-24 | 辽宁石油化工大学 | Cold finger surface wax deposit accurate thickness measuring and sampling device 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 |
CN113532936B (en) * | 2021-09-17 | 2021-11-19 | 南通仁隆科研仪器有限公司 | Petroleum detection sampling device |
CN117969181B (en) * | 2024-04-02 | 2024-05-28 | 中国地质大学(北京) | Sampling detection equipment for petroleum engineering |
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WO2002018053A1 (en) * | 2000-08-30 | 2002-03-07 | Cartesian Technologies, Inc. | Method and apparatus for high-speed microfluidic dispensing using text file control |
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