CN103439219A - Z-shaped ubbelohde viscometer applicable to full-automatic measurement - Google Patents
Z-shaped ubbelohde viscometer applicable to full-automatic measurement Download PDFInfo
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- CN103439219A CN103439219A CN2013103322869A CN201310332286A CN103439219A CN 103439219 A CN103439219 A CN 103439219A CN 2013103322869 A CN2013103322869 A CN 2013103322869A CN 201310332286 A CN201310332286 A CN 201310332286A CN 103439219 A CN103439219 A CN 103439219A
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Abstract
The invention discloses a Z-shaped ubbelohde viscometer which is applicable to full-automatic measurement, and comprises a measurement tube (1), wherein an overflow buffering ball (5), a timing ball (9), a capillary (8) and a hanging liquid column ball (6) are sequentially connected down the measurement tube (1); a blow-down tube (2) is connected at the upper right of the hanging liquid column ball (6); a liquid inlet tube (10) is connected under the hanging liquid column ball (6), and directly inserted into a sample bottle; an overflow tube (4) with the top bent by 90 degrees above the upward top of the timing ball (9) is inserted into the overflow buffering ball (5); the lower side of a ball body of the overflow buffering ball (5) is communicated with a downward liquid suction tube (3); and the lower end of the liquid suction tube (3) is connected with a waste liquid bottle. The Z-shaped ubbelohde viscometer adopts a bottom sample injection and lower part liquid drainage structure mode, has the characteristics of convenient sample injection, easiness in sample replacement and cleaning, accurate measurement, good repeatability, and the like; continuous measurement is convenient and quick; and the full-automatic measurement is easy to achieve.
Description
Technical field
The present invention relates to a kind of Ubbelohde viscometer, particularly a kind of Z-type Ubbelohde viscometer that is applicable to all automatic measurement.
Background technology
Ubbelohde viscometer is mainly used in measuring the kinematic viscosity of liquid, it is a kind of capillary viscosimeter of gravity-type, it measures the kinematic viscosity of liquid according to liquid delivery time from kapillary under segregation drive of certain volume, with other U-shaped gravity-type viscosity meter, compare, it is a many blow-down pipe and one hang the fluid column ball, form to hang fluid column during measurement thus do not added amount of liquid and the liquid storage ball in the impact of liquid level, measuring accuracy obtains widely and applies than other gravity-type viscosity meter high (manual measurement can reach 0.1%).But three mouths of pipe of traditional Ubbelohde viscometer (seeing accompanying drawing 2) all make progress, need be from the top application of sample, the top discharge opeing.Waste liquid is difficult to emptying and is difficult for cleaning up, and consumes a large amount of cleaning solvents.Each half that promotes liquid and need rise to the liquid storage ball, wayward consistent lifting liquid level.Realize that automatic sample and automatic cleaning are very difficult, and can not test the sample of easy generation bubble.The structure of the testing tool of robotization and operation are extremely complicated, and material is corrosion-resistant to be required highly, thereby price is very expensive.For a long time, full automatic viscosity meter (comprise auto injection and automatically clean) only has a few developed country to produce, and its market is also monopolized by them, but, along with Chinese fast development, its demand is but that the whole world is the highest.A large amount of exchange flows is to those developed countries.And some medium and small sized enterprises expensive full-automatic import instrument of generally cannot afford rests on manually and semi-automatic operation, endure the hardship of murder by poisoning and the loaded down with trivial details manual operation of poisonous organic solvent steam to the fullest extent.
Summary of the invention
Technical matters to be solved by this invention is the novel Ubbelohde viscometer that provides a kind of sample introduction convenience, easy cleaning, measurement accurately and be easy to robotization, thereby overcomes above-mentioned the deficiencies in the prior art.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of Z-type Ubbelohde viscometer that is applicable to all automatic measurement.Its formation comprises measuring tube, at measuring tube, down is connected with overflow buffering ball, timing ball, kapillary and suspension fluid column ball in turn; Be connected with blow-down pipe hanging fluid column ball upper right side, under be connected with feed tube, feed tube directly is inserted in sample bottle; The top curved that the timing ball makes progress becomes the run-down pipe of 90 ° to be inserted in the overflow buffering ball, and its spheroid below is communicated with downward liquid suction pipe; The lower end of liquid suction pipe is connected with the waste liquid bottle of the vacuum system that is connected with controlled vacuum tightness through a discharge solenoid valve.
In the above-mentioned Z-type Ubbelohde viscometer that is applicable to all automatic measurement, be respectively equipped with in the above and below of timing ball and measure position and lower measurement position.
In the aforesaid Z-type Ubbelohde viscometer that is applicable to all automatic measurement, hang the fluid column bag and contain enclosed globe shade.
Compared with prior art, the present invention has the following advantages: 1) direct vacuum lifting sample from sample bottle also can insert the filtration that a cylindrical stainless (steel) wire filtrator is realized on-line sample in sample bottle.Be particularly suitable for testing high temp. liquid automatic sampling, solve at an easy rate high-temp liquid and filter difficult problem.2), owing to adopting the lower port feed liquor, as long as change the liquid of putting in sample bottle, can easily directly carry out auto injection, automatic replacing sample or automatically clean and the operation of dry viscosity tube.Without automatic sampler and the automatic cleaning machine of complex and expensive and save cleaning solvent.Make manufacturing cost and the difficulty decrease of Full-automatic viscometer.3) upper liquid storage ball has made the system of the constant lifting liquid level of run-down pipe+overflow buffering ball composition into, while promoting liquid, unnecessary liquid is discharged to waste liquid bottle downwards automatically from overflow vent and discharging tube, the height of having guaranteed each lifting liquid level is consistent, and can automatically from overflow vent, discharge bubble, improved measuring accuracy, also made the test of easy to foaming sample become possibility.4) can carry out suspension constant temperature after lifting liquid or soak for a long time kapillary to clean better viscosity tube with solvent.
Economic and social profit: the present invention is except a liquid draining solenoid valve needs corrosion-resistant material (different solvents adopts different resistant materials), and other parts only need common material.Reduced material cost.What employing type Ubbelohde viscometer of the present invention was high without the complex structure technical requirement can realize auto injection and automatically clean with expensive autopipette and automatic cleaning machine.Even vast medium and small user also can afford and afford to use Full-automatic viscometer, save widely human and material resources and financial resources.Particularly greatly reduce the injury of poisonous and hazardous organic solvent to human body.Economic benefit and social benefit are very considerable.Also can be tested with the sample displacement sample easily, can be saved a large amount of cleaning solvents, be conducive to environmental protection and reduce operating cost.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of traditional Ubbelohde viscometer, in figure: 1-measuring tube, 2-blow-down pipe, 3-topping up pipe, 4-topping up mark, liquid storage ball under 5-, 6-hangs fluid column ball, 7-spherical cap, 8-kapillary, the 9-ball that clocks, the upper liquid storage ball of 10-, the scale that clocks under MU-, scale clocks on MO-.
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Embodiment
Embodiment 1.As described in Figure 1, it has retained the advantage of the suspension fluid column measuring principle of Ubbelohde viscometer, retains blow-down pipe and hangs the fluid column ball.Its formation comprises measuring tube 1, at measuring tube 1, down is connected with overflow buffering ball 5, timing ball 9, kapillary 8 in turn and hangs fluid column ball 6; Be connected with blow-down pipe 2 hanging fluid column ball 6 upper right side, under be connected with feed tube 10, feed tube 10 can directly be inserted in sample bottle, substitutes original lower liquid storage ball; The top curved that timing ball 9 makes progress becomes the run-down pipe 4 of 90 ° to be inserted in overflow buffering ball 5, plays the effect of the constant lifting liquid level of automatic overflow, has substituted the uppity upper liquid storage ball of lifting liquid level.Its spheroid below is communicated with downward liquid suction pipe 3; The lower end of liquid suction pipe 3 is connected with the waste liquid bottle of the vacuum system that is connected with controlled vacuum tightness through a discharge solenoid valve.Sample bottle has directly substituted the liquid storage ball of traditional Ubbelohde viscometer.Be respectively equipped with in the above and below of timing ball 9 and measure position MO and lower measurement position MU.Hang fluid column ball 6 and include enclosed globe shade 7.
Principle of work: the vacuum system that starts the controlled vacuum tightness that connects waste liquid bottle, make it reach the vacuum tightness of setting, closed measuring tube 1 and blow-down pipe 2, open discharge solenoid valve, the fluid sample that is arranged in sample bottle just can enter kapillary 8 with certain speed from feed tube 10, through timing ball 9, arrives overflow vent, through overflow buffering ball 5, run-down pipe 4, finally flow into waste liquid bottle.After the liquid of appropriate amount flows through overflow vent (suitable setting-up time), bleed valve cuts out.After suspension constant temperature 3-5 minute, open measuring tube 1 and blow-down pipe 2 connection atmosphere, the following liquid of overflow vent starts by kapillary 8, to flow out from top to bottom under segregation drive like this, liquid level starts self-clocking through the 12 o'clock sensors in upper measurement position, automatically stop timing at 13 o'clock through lower measurement position, obtain the flow time needed.Repeat aforesaid operations, can carry out repeatedly duplicate measurements.While carrying out the measurement of next sample, similar sample, only need by above-mentioned normal sample introduction process in this way, arranges and replace original sample certain transit time, to reach the purpose of displacement fully.Then start normal measurement procedure.Similar sample test finishes, and changes the sample bottle that cleaning solvent is housed into, by above-mentioned identical method (just time and pressure set points are different), automatically cleans and drying, even can carry out the cleaning of multi-solvents.No matter do that operation, need the parameter of controlling to only have vacuum tightness and time.
Embodiments of the present invention are not limited to above-described embodiment, within the various variations of making under the prerequisite that does not break away from aim of the present invention all belong to protection scope of the present invention.
Claims (3)
1. a Z-type Ubbelohde viscometer that is applicable to all automatic measurement, comprise measuring tube (1), it is characterized in that: at measuring tube (1), down be connected with overflow buffering ball (5), timing ball (9), kapillary (8) in turn and hang fluid column ball (6); Be connected with blow-down pipe (2) hanging fluid column ball (6) upper right side, under be connected with feed tube (10), feed tube (10) directly is inserted in sample bottle; The top curved that timing ball (9) makes progress becomes the run-down pipe (4) of 90 ° to be inserted in overflow buffering ball (5), and its spheroid below is communicated with downward liquid suction pipe (3); The lower end of liquid suction pipe (3) is connected with the waste liquid bottle of the vacuum system that is connected with controlled vacuum tightness through a discharge solenoid valve.
2. the Z-type Ubbelohde viscometer that is applicable to all automatic measurement according to claim 1, is characterized in that: be respectively equipped with upper measurement position (MO) and lower measurement position (MU) in the above and below of timing ball (9).
3. the Z-type Ubbelohde viscometer that is applicable to all automatic measurement according to claim 1, is characterized in that: hang fluid column ball (6) and include enclosed globe shade (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103322869A CN103439219A (en) | 2013-08-01 | 2013-08-01 | Z-shaped ubbelohde viscometer applicable to full-automatic measurement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103322869A CN103439219A (en) | 2013-08-01 | 2013-08-01 | Z-shaped ubbelohde viscometer applicable to full-automatic measurement |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198313A (en) * | 2016-08-29 | 2016-12-07 | 杭州卓祥科技有限公司 | A kind of W type crow formula viscosity pipet |
| CN106199035A (en) * | 2016-08-29 | 2016-12-07 | 杭州卓祥科技有限公司 | A kind of lifting device being applicable to full-automatic viscosity measurement |
| CN107884314A (en) * | 2017-09-21 | 2018-04-06 | 杭州震越科技有限公司 | A kind of Ubbelohde viscometer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115537U (en) * | 1992-03-05 | 1992-09-09 | 魏慧丰 | Four-pipe ubbelohde viscometer |
| CN201034905Y (en) * | 2007-04-11 | 2008-03-12 | 泉州市铁通电子设备有限公司 | Capillary kinematic viscosity automatic tester |
| CN202305363U (en) * | 2011-10-15 | 2012-07-04 | 中国石油化工股份有限公司 | Viscosity meter |
| CN102809523A (en) * | 2012-08-15 | 2012-12-05 | 杭州中旺科技有限公司 | Full-automatic jacket-type ubbelohde viscometer injecting samples from bottom |
| CN203365272U (en) * | 2013-08-01 | 2013-12-25 | 杭州中旺科技有限公司 | Z type ubbelohde viscometer applicable to full-automatic measurement |
-
2013
- 2013-08-01 CN CN2013103322869A patent/CN103439219A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115537U (en) * | 1992-03-05 | 1992-09-09 | 魏慧丰 | Four-pipe ubbelohde viscometer |
| CN201034905Y (en) * | 2007-04-11 | 2008-03-12 | 泉州市铁通电子设备有限公司 | Capillary kinematic viscosity automatic tester |
| CN202305363U (en) * | 2011-10-15 | 2012-07-04 | 中国石油化工股份有限公司 | Viscosity meter |
| CN102809523A (en) * | 2012-08-15 | 2012-12-05 | 杭州中旺科技有限公司 | Full-automatic jacket-type ubbelohde viscometer injecting samples from bottom |
| CN203365272U (en) * | 2013-08-01 | 2013-12-25 | 杭州中旺科技有限公司 | Z type ubbelohde viscometer applicable to full-automatic measurement |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198313A (en) * | 2016-08-29 | 2016-12-07 | 杭州卓祥科技有限公司 | A kind of W type crow formula viscosity pipet |
| CN106199035A (en) * | 2016-08-29 | 2016-12-07 | 杭州卓祥科技有限公司 | A kind of lifting device being applicable to full-automatic viscosity measurement |
| CN107884314A (en) * | 2017-09-21 | 2018-04-06 | 杭州震越科技有限公司 | A kind of Ubbelohde viscometer |
| CN107884314B (en) * | 2017-09-21 | 2020-05-22 | 杭州震越科技有限公司 | Ubbelohde viscometer |
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Application publication date: 20131211 |