CN102087191A - Testing arrangement of crude oil viscosity - Google Patents
Testing arrangement of crude oil viscosity Download PDFInfo
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- CN102087191A CN102087191A CN200910252434XA CN200910252434A CN102087191A CN 102087191 A CN102087191 A CN 102087191A CN 200910252434X A CN200910252434X A CN 200910252434XA CN 200910252434 A CN200910252434 A CN 200910252434A CN 102087191 A CN102087191 A CN 102087191A
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- 239000010779 crude oil Substances 0.000 title claims abstract description 72
- 238000012360 testing method Methods 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 238000011156 evaluation Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000003746 surface roughness Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012946 outsourcing Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 34
- 238000000034 method Methods 0.000 description 22
- 230000008569 process Effects 0.000 description 16
- 238000005070 sampling Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 4
- 235000019592 roughness Nutrition 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000518 rheometry Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Abstract
The invention relates to a device for testing the viscosity-temperature curve of crude oil and the viscosity of the crude oil by heating or additive evaluation. The device comprises a program control water bath (1), circulating water (13), a water jacket outlet (14), a water jacket inlet (19), a stirring motor (4), a stirring paddle (16), a viscometer (5), a rotor (10) and a rotating shaft (17), and is characterized by further comprising a crude oil processing device (3), a sleeve connector (6), a sleeve (7), a data transmission cable (8), a computer (9), a cover (15) and a rotating shaft connector (18); the crude oil processing device (3) is connected with the program control water bath (1) through a water bath inlet pipeline (2) and a water bath outlet pipeline (12), the stirring motor (4) is connected with a stirring paddle (16) inserted into the crude oil processing device (3), and the viscometer (5) is connected with the sleeve connector (6) and then connected with a sleeve (7) inserted into the crude oil processing device (3) filled with crude oil (11).
Description
Technical field
The present invention is the proving installation that the viscosity of crude of agent evaluation was measured and heated or added to a kind of viscosity-temperature curve of crude oil.Relate to the piping system technical field.
Background technology
The viscosity-temperature curve of crude oil is measured and heating or add the important content that the agent evaluation is the pipeline oil indoor test, is the main technique methods to rheology study test under the crude oil different condition.By test clear and definite heat treatment temperature, add dosage, rate of temperature fall, shear rate, final cooling temperature etc. be to the influence of rheological characteristic of crude oil.This wherein all relates to the viscosity of crude test problem under the different disposal condition (temperature history and shear history).The result of these tests is gordian technique reference frames of crude oil pipeline conveying and storage technology.Viscosity test itself has had proven technique and commercial product, but the viscosity test of flow graph or viscosity meter and crude Treatment process also are in separate state at present.
The main at present method that adopts is a kind of experimental provision that is used for crude oil modifying research that Chinese patent 02104390.6 (crude oil quality experimental equipment) proposes, it is characterized in that placing two neck bottles of the outer a plurality of band cyclic water jackets of program control water-bath to connect last bottle water delivering orifice and back one bottle water inlet with flexible pipe, the water inlet of the most last bottle connects the water delivering orifice of program control water-bath, and the water delivering orifice of last bottle connects the water inlet of program control water-bath.The big bottleneck of each bottle inserts a paddle that is driven by stirrer.Adopt this method needing in the test process to cause frequent sampling and test, need to interrupt stir process in the sampling process and carefully guarantee as far as possible the oil sample temperature of testing and treatment temperature consistent.Because sampling repeatedly causes oil sample to tail off gradually, therefore the amount to oil sample has requirement, and fuel consumption is bigger, and this transports (coming back home as transporting from external sampling) for long distance sampling no small trouble.In addition, the cleaning of crude oil also is the problem of a trouble in sampler and the viscosity meter.The loaded down with trivial details property of test process has also caused the instability of test result and has influenced tester's enthusiasm.
Summary of the invention
The objective of the invention is to invent a kind of proving installation of simplifying test process and improving the viscosity of crude of test result stability.
The proving installation of existing viscosity of crude mainly contains program control water-bath 1 and water-bath inlet ductwork 2, water-bath export pipeline 12, recirculated water 13, water jacket outlet 14, stirring motor 4 and paddle 16, viscosity meter 5 and rotor 10, rotating shaft 17.The present invention constitutes on this basis, it constitutes as shown in Figure 1, is made up of program control water-bath 1, water-bath inlet ductwork 2, crude oil treating device 3, stirring motor 4, viscosity meter 5, collet connector 6, sleeve 7, data cable 8, computing machine 9, rotor 10, crude oil 11, water-bath export pipeline 12, recirculated water 13, water jacket outlet 14, lid 15, paddle 16, rotating shaft 17, rotating shaft connector 18 and jacket inlet 19.Be characterized in: crude oil treating device 3 is connected with water-bath export pipeline 12 by water-bath inlet ductwork 2 with program control water-bath 1, stirring motor 4 is connected with paddle 16 in inserting crude oil treating device 3, viscosity meter 5 with after collet connector 6 is connected again the connection insertion fill the interior sleeve 7 of crude oil treating device 3 of crude oil 11.
Program control water-bath 1 with after the water jacket of crude oil treating device 3 outsourcings is connected, takes back water-bath inlet ductwork 2 by water jacket outlet 14, the temperature of recirculated water 13 in control crude oil treating device 3 water jackets by water-bath export pipeline 12 and jacket inlet 19 again; The paddle 16 that the upper end connects stirring motor 4 passes in the crude oil 11 that lid extends crude oil treating device 3 bottoms for 15 times; Viscosity meter 5 is connected with sleeve 7 by collet connector 6, and the rotating shaft 17 of viscosity meter 5 connects rotor 10 through rotating shaft connector 18, and lifting thereupon in sleeve 7, or falls in the crude oil 11, and rotor 10 stretches in the interior crude oil 20 of sleeve, or rises; Viscosity meter 5 connects computing machine 9 by data cable 8.
Wherein:
The condition that the present invention realizes:
1, it is supporting that sleeve 7 needs redesign and rotor 10, and the material of sleeve 7, size satisfy the test accuracy and the precision needs of viscosity meter 5 products, and the inside surface roughness of the sleeve 7 that sleeve 7 inside surface roughnesses and producer are original is consistent;
2, the bottom roughness of the original sleeve 7 of crude oil treating device 3 container bottom roughness and producer is consistent;
3, crude oil 11 fluid height: the fluid liquid level gets final product with rotor 10 tops are concordant substantially during test.
Adopt the stirred vessel of band water jacket, paddle 16 leaf shapes satisfy the shear stress area requirement, and stir speed (S.S.) is by variable Electric Machine Control.Adopt program control water-bath to carry out temperature control, realize the temperature control of crude oil 11 oil samples in the stirred vessel.Realize the control of specific crude oil shear stress by the control of stir speed (S.S.).Container bottom is smooth and satisfy the requirement of specific roughness.Adopt special rotational viscosimeter to carry out viscosimetric analysis, the rotating shaft 17 of viscosity meter needs long enough, be beneficial to connect rotor 10 and can extend in the stirred vessel and go, the rotor outside needs the sleeve at a no end simultaneously, its inside surface need satisfy the requirement of experiment material and roughness, and the effect of sleeve is to hold back the part oil sample to be used for viscosity test in stirred vessel.Rotor 10 and sleeve 7 need be put among the crude oil 11 of stirred vessel when viscosity test, sleeve 7 touches the end, and the relative position of rotor 10 and sleeve 7 and the height of crude oil 11 in container satisfy test request.Simultaneously for fear of rotor 10 and sleeve 7 and crude oil 11 temperature difference influence precision of test result, when not carrying out viscosity test, rotor 10 and sleeve 7 promotes but major part still is immersed in the crude oil 11.Can adopt stepper motor to control the lifting of viscosity meter, the increase time is provided with after function and the bath temperature control synchronously, can realize the full-automatic of test process.
Principle of the present invention:
1, the shear stress of simulation pipeline conveying crude oil is generally at 80-90S-1, and the oil sample after testing is handled again, and the shear history of short time in sleeve is very little for the simulation shear history that oil sample integral body reaches several days even tens days;
2, because directly intercepting oil sample test in the oil sample of handling, the consistance of oil sample temperature can farthest be consistent, do not promote when sleeve and rotor are not tested, it is consistent with oil sample that the temperature of sleeve and rotor can keep substantially, and the influence of temperature history does not almost have.
Characteristics of the present invention:
1, was that crude oil treating device 3 and viscosity meter 5 are separated in the past, therefore need delivers to viscosity meter 5 tests from crude oil treating device 3 samplings; Be that crude oil treating device 3 and viscosity meter 5 are combined now, realize directly the crude oil of handling being carried out the purpose of online viscosity test;
2, the sleeve 7 lower end bottom openings of rotational viscosimeter 5 (be straight tube the no end) are tested by intercepting oil sample in the oil sample container handling and to be carried out viscosity test, no longer need hand sampling to test;
When 3, testing sleeve 7 is touched the test of end intercepting oil sample, when not needing to test viscosity meter 5 is risen to certain altitude and get final product, thereby keep sleeve 7 lower ends and rotor 10 to change synchronously with the oil sample temperature.
The present invention is applicable to the viscosity of crude test under the different disposal condition (temperature history and shear history) of crude oil, and the viscosity-temperature curve that comprises crude oil is measured and heating or add the agent evaluation experimental, also is applicable to the online viscosity test and the monitoring of pipeline transportation crude oil.
The present invention can realize the test of crude oil viscosity-temperature curve, also can be implemented in simultaneously the viscosity test under the simulated experiment condition of different temperatures and shear history.Do not need in the experimentation oil sample is taken out test, test itself is to the not influence of rerum natura of oil sample, and the whole experiment oil sample does not reduce, and can significantly reduce with oil mass, simplify the viscosity test program and improved the stability of test result, and can realize the full-automation of test process.
As seen, advantage of the present invention is:
1, crude oil rheology test process and step have been simplified greatly;
2, the oil sample influence to viscosity test minimizes (environment is little to Temperature Influence) in the test process;
3, save owing to need to keep artificial complicated process of taking out the oil sample temperature to do the step of viscosity test;
4, intercepting oil sample time weak point is little to the influence of oil sample shear history;
5, oil sample can significantly reduce with oil mass;
6, can carry out viscosity test (online) to the processing oil sample at any time;
7, can realize full-automatic testing on this basis;
Viscosity meter setup time when 8, saving each test, save the sampling container cleaning process.
Description of drawings
The proving installation of Fig. 1 viscosity of crude constitutes synoptic diagram
The non-test job view of the proving installation of Fig. 2 viscosity of crude
The proving installation test job view of Fig. 3 viscosity of crude
The program control water-bath 2-of 1-water-bath inlet ductwork wherein
3-crude oil treating device 4-stirring motor
5-viscosity meter 6-collet connector
7-sleeve 8-data cable
9-computing machine 10-rotor
11-crude oil 12-water-bath export pipeline
The outlet of 13-recirculated water 14-water jacket
15-lid 16-paddle
17-rotating shaft 18-rotating shaft connector
Crude oil in the 19-jacket inlet 20-sleeve
Embodiment
Embodiment. this example is an experimental prototype, and it constitutes as shown in Figure 1.It is made up of program control water-bath 1, water-bath inlet ductwork 2, crude oil treating device 3, stirring motor 4, viscosity meter 5, collet connector 6, sleeve 7, data cable 8, computing machine 9, rotor 10, crude oil 11, water-bath export pipeline 12, recirculated water 13, water jacket outlet 14, lid 15, paddle 16, rotating shaft 17, rotating shaft connector 18 and jacket inlet 19.Program control water-bath 1 with after the water jacket of crude oil treating device 3 outsourcings is connected, takes back water-bath inlet ductwork 2 by water jacket outlet 14, the temperature of recirculated water 13 in control crude oil treating device 3 water jackets by water-bath export pipeline 12 and jacket inlet 19 again; The paddle 16 that the upper end connects stirring motor 4 passes in the crude oil 11 that lid extends crude oil treating device 3 bottoms for 15 times; Viscosity meter 5 is connected with sleeve 7 by collet connector 6, and the rotating shaft 17 of viscosity meter 5 connects rotor 10 through rotating shaft connector 18, and lifting thereupon in sleeve 7, or falls in the crude oil 11, and rotor 10 stretches in the interior crude oil 20 of sleeve, or rises; Viscosity meter 5 connects computing machine 9 by data cable 8.
Wherein:
Program control water-bath 1; Adopt the water-bath of HAAKE Phoenix II P2-CT50W low form, temperature range-50 is ℃ to 100 ℃; The bath volume is 24 liters;
Stirring motor 4 is selected the JJ-1200W electric mixer for use, range of speeds 0-3000rpm stepless speed regulation;
Crude oil treating device 3 Design and Machining manufacturing to one's name forms.Stainless steel, the high 22cm of diameter 15cm at the bottom of the inner pressurd vessel, the about 3.5L of useful volume, container bottom is done polishing.
This device proves that through the test of many times test the present invention has simplified crude oil rheology test process and step greatly; Oil sample influence to viscosity test in the test process minimizes; Save owing to need to keep artificial complicated process of taking out the oil sample temperature to do the step of viscosity test; The intercepting oil sample time is short, and is little to the influence of oil sample shear history; Oil sample can significantly reduce with oil mass; At any time can carry out viscosity test (online) to the processing oil sample; Can realize full-automatic testing on this basis; Viscosity meter setup time when saving each test, save the sampling container cleaning process.
Claims (6)
1. the proving installation of the viscosity of crude of agent evaluation is measured and heated or add to the viscosity-temperature curve of a crude oil, comprise program control water-bath (1) and water-bath inlet ductwork (2), water-bath export pipeline (12), recirculated water (13), water jacket outlet (14), jacket inlet (19), stirring motor (4) and paddle (16), viscosity meter (5) and rotor (10), rotating shaft (17), it also has crude oil treating device (3), collet connector (6), sleeve (7), data cable (8), computing machine (9), lid (15), rotating shaft connector (18) its feature; Crude oil treating device (3) is connected with water-bath export pipeline (12) by water-bath inlet ductwork (2) with program control water-bath (1), stirring motor (4) is connected with paddle (16) in inserting crude oil treating device (3), viscosity meter (5) with after collet connector (6) is connected again the connection insertion fill the interior sleeve (7) of crude oil treating device (3) of crude oil (11).
2. the proving installation of viscosity of crude according to claim 1, it is characterized in that program control water-bath (1) by water-bath export pipeline (12) and jacket inlet (19) with after the water jacket of crude oil treating device (3) outsourcing is connected, take back water-bath inlet ductwork (2) by water jacket outlet (14) again; The paddle (16) that the upper end connects stirring motor (4) passes in the crude oil (11) that extends crude oil treating device (3) bottom under the lid (15); Viscosity meter (5) is connected with sleeve (7) by collet connector (6), the rotating shaft (17) of viscosity meter (5) connects rotor (10) through rotating shaft connector (18), and lifting thereupon in sleeve (7), or falls in the crude oil (11), rotor (10) stretches in the interior crude oil (20) of sleeve, or rises; Viscosity meter (5) connects computing machine (9) by data cable (8).
3. the proving installation of viscosity of crude according to claim 1 and 2 is characterized in that described sleeve (7) is that the upper end has that screw thread is connected with collet connector (6), the cylinder of lower ending opening, and parallel with rotor (10) outside surface in it; Select different rotor (10) and supporting sleeve (7) for use according to the viscosity test scope, described different sleeve (7) is that sleeve (7) upper end fixed size, bottom internal diameter can have different with length as required.
4. the proving installation of viscosity of crude according to claim 3, it is characterized in that material, the size of described sleeve (7) satisfy the test accuracy and the precision needs of viscosity meter (5) product, the inside surface roughness of the sleeve (7) that sleeve (7) inside surface roughness is original with producer is consistent.
5. the proving installation of viscosity of crude according to claim 1 and 2 is characterized in that the bottom roughness of the sleeve 7 that described crude oil treating device (3) container bottom roughness and producer are original is consistent.
6. the proving installation of viscosity of crude according to claim 1 and 2, rotor when it is characterized in that testing (10) top is concordant with crude oil (11) fluid liquid level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910252434A CN102087191B (en) | 2009-12-04 | 2009-12-04 | Testing arrangement of crude oil viscosity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910252434A CN102087191B (en) | 2009-12-04 | 2009-12-04 | Testing arrangement of crude oil viscosity |
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| CN102087191A true CN102087191A (en) | 2011-06-08 |
| CN102087191B CN102087191B (en) | 2012-10-17 |
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| US3935726A (en) * | 1973-06-18 | 1976-02-03 | Werner Heinz | Apparatus for measuring viscosity of liquids |
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| CN201266161Y (en) * | 2008-08-22 | 2009-07-01 | 东莞光群雷射科技有限公司 | Automatic tracking instrument for viscosity coefficient |
| CN201285366Y (en) * | 2008-10-24 | 2009-08-05 | 重庆科技学院 | High temperature viscometer for measuring viscosity of slag and molten steel |
| CN201548475U (en) * | 2009-12-04 | 2010-08-11 | 中国石油天然气股份有限公司 | Testing arrangement of crude oil viscosity |
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| CN102087191B (en) | 2012-10-17 |
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