CN207263574U - A kind of new Ubbelohde viscometer - Google Patents
A kind of new Ubbelohde viscometer Download PDFInfo
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- CN207263574U CN207263574U CN201721212654.6U CN201721212654U CN207263574U CN 207263574 U CN207263574 U CN 207263574U CN 201721212654 U CN201721212654 U CN 201721212654U CN 207263574 U CN207263574 U CN 207263574U
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Abstract
Viscosimeter field is the utility model is related to, discloses a kind of new Ubbelohde viscometer.Including extraction liquid pipe (3) and measurement pipe (2), lower liquid storage ball (6) is connected with below extraction liquid pipe (3), it is communicated with below lower liquid storage ball (6) and is directly inserted into being connected into drain pipe (7), the bottom of measurement pipe (2) with the bottom of lower liquid storage ball (6) for sample bottle；The side of measurement pipe (2) is connected with blow-down pipe (1).Measurement pipe (2) is connected with liquid storage ball (12), timing ball (11), capillary (10) and suspension fluid column ball (8) in turn from top to bottom, and suspension fluid column ball (8) is connected with into drain pipe (7) and lower liquid storage ball (6).The utility model viscosimeter has that measurement is accurate, and liquids recovery is simple, is easy to automated control, it is easy to clean the advantages that.
Description
Technical field
It the utility model is related to viscosimeter field, more particularly to a kind of new Ubbelohde viscometer.
Background technology
Ubbelohde viscometer is (see attached drawing 2：Traditional Ubbelohde viscometer) it is mainly used for measuring the kinematic viscosity of liquid, it is a kind of weight
The capillary viscometer of power type, it is measured from the delivery time in capillary under the force of gravity according to the liquid of certain volume
The kinematic viscosity of liquid, compared with other U-shaped gravity-type viscosimeters, it is more a blow-down pipe and a suspension fluid column ball, survey
Fluid column is hung in formation thus from the influence for adding the liquid level in amount of liquid and liquid storage ball, measuring accuracy is than other gravity-types during amount
Viscosimeter height (manual measurement is attained by 0.1%) and be widely applied.But three mouths of pipe of traditional Ubbelohde viscometer are complete
Portion is upward, need to be loaded from top, top discharge opeing.Waste liquid can pollute the entire area of three pipes when excluding, and be difficult to empty, no
Easy cleaning is clean, and it is very dangerous also to splash human body, and when cleaning needs to consume substantial amounts of cleaning solvent, and has the very high probability clear
Do not wash clean, cause test inaccurate, it is difficult to realize automatic sample and automatic cleaning.The test equipment of automation is structurally and operationally
Extremely complex, material is corrosion-resistant to require height, thus the price is very expensive.For a long time, full automatic viscosimeter (including automatically into
Sample and automatic cleaning) only have a few developed country to produce, its market is also monopolized by them, but quick with China
Development, its demand is that the whole world is highest.Substantial amounts of foreign exchange flows to those developed countries.And some medium-sized and small enterprises are general
The full-automatic import instrument of costliness is cannot afford, manual and semi-automatic operation is rested on, endures the murder by poisoning of toxic organic solvents steam to the fullest extent
With the hardship of cumbersome manual operation.
Chinese patent CN102809523A, patent name are " a kind of full-automatic Ubbelohde viscometer of jacketed bottom sample introduction "
Utility model patent, has the advantages that bottom auto injection using chuck design, but this mode is there is following shortcoming, 1,
Measurement falls on temperature in expense isoperibol and has a great influence every time；If the 2nd, measured by lifting heat preserving mode, by time of measuring
Increase compared with traditional measurement；3rd, due to complicated, so cleaning is unstable, be difficult to clean up sometimes, waste reagent compared with
It is more；4th, upper expansion, which asks interior, has residual night to be resident, with the liquid rinse that will carry out removing offline corrosivity higher weekly later；5、
Automatic measurement failure rate is higher, it is impossible to meets that user requires；6th, temperature calibration is difficult.
Utility model content
The shortcomings of the utility model is inconvenient for cleaning existing in the prior art, and measurement error is big, waste reagent, there is provided
A kind of sample introduction convenience, easy cleaning, measurement is accurate and is easy to the new Ubbelohde viscometer of automation.
In order to solve above-mentioned technical problem, the utility model is addressed by following technical proposals：
A kind of new Ubbelohde viscometer, including extraction liquid pipe and measurement pipe, extraction liquid pipe lower section are connected with lower liquid storage ball, under
It is communicated with below liquid storage ball and is directly inserted into connecting into drain pipe, the bottom of measurement pipe and the bottom of lower liquid storage ball for sample bottle
It is logical；The side of measurement pipe is connected with blow-down pipe.Extraction liquid pipe carries out drawing liquid and makes it into lower liquid storage ball first, continues to extract energy
Bubble in the lower liquid storage ball of enough discharges, while play the function of stirring evenly liquid.And in discharge opeing process is carried out, in lower liquid storage ball
Liquid directly through into drain pipe flowing back to sample bottle.Whole process is lost in without sample liquid, and process is stablized.And lower liquid storage ball energy
Enough volumes to sample are controlled, so as to ensure controllable to the sample liquid volume tested, ensure the accuracy of experimental data.
Preferably, being provided with intake and exhaust ports passage into drain pipe, intake and exhaust ports passage is directly inserted into sample bottle.
Preferably, measurement pipe is connected with liquid storage ball, timing ball, capillary and suspension fluid column ball in turn from top to bottom,
Suspension fluid column ball is connected with into drain pipe and lower liquid storage ball.
Preferably, the internal bore radius of capillary is less than the internal bore radius of measurement pipe epimere.
Preferably, it is after being communicated to suspension fluid column ball by the lower end of blow-down pipe that the side of measurement pipe, which is connected with blow-down pipe,
Connected with measurement pipe.
Preferably, being equipped with upper timing scale between upper liquid storage ball and timing ball, the lower section of timing ball is carved equipped with lower timing
Degree.
Preferably, extraction liquid pipe is arranged on the right side of measurement pipe, blow-down pipe is arranged on the left side of measurement pipe；Into drain pipe
It is located at the lower section of measurement pipe and extraction liquid pipe and is located at measurement pipe and extraction liquid pipe between the two.
Preferably, being provided with gear liquid pipe in extraction liquid pipe, gear liquid pipe is communicated with extraction liquid pipe, and gear liquid pipe is located at lower liquid storage
The top of ball.Gear liquid pipe can keep the liquid that bubble is taken out of here in lower liquid storage ball during gas-liquid separation, so as to ensure liquid
The accuracy of volume of sample.
Preferably, lower liquid storage ball is marked equipped with filling liquid.
Preferably, being connected with the valve body for controlling liquid to pass through into drain pipe, the mouth of pipe of extraction liquid pipe is connected with drawing liquid dress
Put and liquid extruding device.
The utility model uses above-mentioned technical proposal, has the advantages that：
1) sample is directly extracted from sample bottle, suitable for the measurement liquid of any temperature, the complete final backspace of sample test
Into stoste, it is lost in not at all, stoste, which can be recycled, seals up for safekeeping since stoste is not obscured with other liquid,
Stoste can carry out simply purification and recycle, it is possible to reduce the discharge of many chemical substances, accomplishes that environmental protection economizes on resources.
2) extraction liquid pipe by take out and put and the closure of other several mouths of pipe open etc. action, realize automatic measurement, cleaning,
It is dry.Extraction liquid pipe can carry out positive/negative-pressure processing and quickly realize rinse and emptying especially in rinse and emptying.
3) cleaning solution of the utility model can be recycled for multiple times, and use the limit always, cleaning solution usage amount is seldom
It can clean up (about 12ML), it is very environmentally friendly.
4) the utility model changes the measuring principle of Ubbelohde viscosity, the data of measure and traditional viscosimeter phase not at all
It is more more consistent than more stablizing repeatability.
5) the utility model production is easy to implement, and when sample introduction need to only draw sample size customize, without worrying to sample biography
Defeated to be configured to damage to valve, pump machine, the utility model extracts sample with stable pressure timing, and having extracted can automatic absorption sky
Gas produces bubble and mixes sample evenly.During cleaning, absorbed to be extracted more than the cleaning solution of sample size (more 1ML), after taking empty
Gas produces mixed move and all cleans to contaminated area.
6) the utility model is customized without screw socket, and without particular algorithm, measurement, cleaning liquid will not be lost in.Automatic cleaning,
Cleaning solution human body does not have to contact, will not leak very safe, be a very low energy consumption viscosimeter.
7) the utility model experimental liquid is smaller to the contaminated area of tube wall, and cleaning is more convenient, while is easily achieved automatic
Change.
Brief description of the drawings
Fig. 1 is the structure diagram of viscosity tube；
Fig. 2 is the structure diagram of conventional viscometer.
The toponym that each number designation is referred in attached drawing is as follows：1 one blow-down pipes, 2 one measurement pipes, 3 one extraction liquid pipes,
4 one gear liquid pipes, 5 one filling liquids mark, 6 once liquid storage ball, 7 one into drain pipe, 8 one suspension fluid column balls, 9 one enclosed globe shades, 10 1 maos
Tubule, 11 1 timing balls, liquid storage ball, MU once timing scale, timing scale, 71 1 intake and exhaust ports passages on MO mono- on 12 1.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, a kind of new Ubbelohde viscometer, including extraction liquid pipe 3 and measurement pipe 2, measurement pipe 2 it is a diameter of
7mm~20mm, the lower section of extraction liquid pipe 3 are connected with lower liquid storage ball 6, and the lower section of lower liquid storage ball 6, which is communicated with, is directly inserted into sample bottle
Connected into drain pipe 7, the bottom of measurement pipe 2 with the bottom of lower liquid storage ball 6；The side of measurement pipe 2 is connected with blow-down pipe 1.For
The structure into drain pipe 7 is explained further, drain pipe 7 is provided with intake and exhaust ports passage 71, intake and exhaust ports passage 71 is inserted directly into
To sample bottle.
Measurement pipe 2 is connected with liquid storage ball 12, timing ball 11, capillary 10 and suspension fluid column ball 8 in turn from top to bottom, hangs
Hang fluid column ball 8 and include enclosed globe shade 9, suspension fluid column ball 8 is connected with into drain pipe 7 and lower liquid storage ball 6.The side of measurement pipe 2 connects
It is to be communicated to after suspension fluid column ball 8 to connect with measurement pipe 2 by the lower end of blow-down pipe 1 to be connected to blow-down pipe 1.Upper liquid storage ball 12 and meter
When ball 11 between be equipped with upper timing scale MO, the lower section of timing ball 11 is equipped with lower timing scale MU；Extraction liquid pipe 3 is arranged on measurement
The right side of pipe 2, blow-down pipe 1 are arranged on the left side of measurement pipe 2；Into drain pipe 7 be located at measurement pipe 2 and extraction liquid pipe 3 lower section and
Positioned at measurement pipe 2 and extraction liquid pipe 3 between the two；Gear liquid pipe 4 is provided with extraction liquid pipe 3, keeps off liquid pipe 4 and 3 phase of extraction liquid pipe
Logical, gear liquid pipe 4 is located at the top of lower liquid storage ball 6, keeps off the short tube that the structure of liquid pipe 4 can be set in extraction liquid pipe 3 here,
Can be catch, as long as setting opening that extraction liquid pipe 3 on the upside of it can be made to be connected with the extraction liquid pipe 3 of downside at middle part.
Lower liquid storage ball 6 is equipped with filling liquid mark 5.The internal bore radius of capillary 10 is less than the internal bore radius of 2 epimere of measurement pipe.
Wherein a diameter of 7mm~20mm of measurement pipe 2, the diameter of measurement pipe 2 here is apparently not the diameter of capillary,
Here diameter is represented as 2 pipe shaft diameter of measurement pipe.
The operation principle of this viscosimeter：The valve body of control liquid disengaging is connected with into the lower section of drain pipe 7, valve body selects electricity
Magnet valve, because easily controllable.Extraction liquid pipe is connected with pumping device and liquid extruding device, is pumped used here as drawing liquid pump and propulsive liquid.When
So, solenoid valve can also replace with artificial valve.
1st, blow-down pipe 1 and measurement pipe 2 are closed, starts drawing liquid pump and opens extraction liquid pipe 3 and the solenoid valve into drain pipe 7, sample
Product liquid is passed through into drain pipe 7 from sample bottle enters lower liquid storage ball 6, reaches filling liquid mark 5, so as to ensure the test(ing) liquid extracted
Product is stablized, and may proceed to stir evenly sample liquid while extracting air generation bubble after the completion of extraction, gear liquid pipe 4 carries bubble
Sample liquid play the role of stop recycling；
2nd, after carrying out constant temperature stabilization to sample, the solenoid valve into drain pipe 7,3 drawing liquid pump of extraction liquid pipe and solenoid valve are closed,
Blow-down pipe 1 is closed, opens measurement pipe 2, starts propulsive liquid pump to pressurizeing in extraction liquid pipe 3, so that the sample liquid by lower liquid storage ball 6
Supreme liquid storage ball 12 is raised, is waited to be measured；
3rd, blow-down pipe 1, measurement pipe 2, extraction liquid pipe 3 are opened, the sample freely falling body page senses when passing through upper measurement position MO
Device starts self-clocking, when being measured as MU under, is automatically stopped timing, further according to data needed for correlation formula calculating.
4th, open into 3 solenoid valve of 7 solenoid valve of drain pipe and extraction liquid pipe, sample by into drain pipe be back to sample bottle into
Row is sealed up for safekeeping.
5th, clean when by above-mentioned principle carry out, can Safety Purge peace and quiet need not think that intervention can clean up, it is only necessary to
The cleaning solution of the addition sample liquids added slightly, selection exceeds 1ml~2ml more, and after the completion of cleaning, cleaning solution is all through into row
Liquid pipe 7 is recycled in former bottle, and process environmental protection operates very simple, conveniently without leakage, and can recycle the viscosity
Meter, the sample of recycling can carry out purification recycling using chemical technology.
In short, the above is only the preferred embodiment of the present invention, it is all according to present utility model application the scope of the claims institute
The equivalent changes and modifications of work, such as, deliberately the diameter of measurement pipe 2 is zoomed in or out, but it is still based on this
The structure design of viscosimeter, should all belong to the covering scope of the utility model patent.
Claims (10)
1. a kind of new Ubbelohde viscometer, including extraction liquid pipe (3) and measurement pipe (2), it is characterised in that：Measurement pipe (2) it is straight
Footpath is 7mm~20mm, and lower liquid storage ball (6) is communicated with below extraction liquid pipe (3), is communicated with below lower liquid storage ball (6) and directly inserts
Enter and connected to sample bottle into drain pipe (7), the bottom of measurement pipe (2) with the bottom of lower liquid storage ball (6)；The one of measurement pipe (2)
Side is connected with blow-down pipe (1).
A kind of 2. new Ubbelohde viscometer according to claim 1, it is characterised in that：It is provided with into drain pipe (7) into row
Mouth passage (71), intake and exhaust ports passage (71) are directly inserted into sample bottle.
A kind of 3. new Ubbelohde viscometer according to claim 2, it is characterised in that：Measurement pipe (2) is from top to bottom successively
Be connected with liquid storage ball (12), timing ball (11), capillary (10) and suspension fluid column ball (8), suspension fluid column ball (8) with into discharge opeing
Pipe (7) is connected with lower liquid storage ball (6).
A kind of 4. new Ubbelohde viscometer according to claim 3, it is characterised in that：The internal bore radius of capillary (10) is small
In the internal bore radius of measurement pipe (2) epimere.
A kind of 5. new Ubbelohde viscometer according to claim 3 or 4, it is characterised in that：The side connection of measurement pipe (2)
It is to be communicated to suspension fluid column ball (8) by the lower end of blow-down pipe (1) to connect with measurement pipe (2) afterwards to have blow-down pipe (1).
A kind of 6. new Ubbelohde viscometer according to Claims 2 or 3, it is characterised in that：Upper liquid storage ball (12) and timing
Upper timing scale is equipped between ball (11), the lower section of timing ball (11) is equipped with lower timing scale.
A kind of 7. new Ubbelohde viscometer according to claim 1, it is characterised in that：Extraction liquid pipe (3) is arranged on measurement
The right side of (2) is managed, blow-down pipe (1) is arranged on the left side of measurement pipe (2)；Measurement pipe (2) and extraction liquid pipe are located at into drain pipe (7)
(3) lower section and positioned at measurement pipe (2) and extraction liquid pipe (3) between the two.
A kind of 8. new Ubbelohde viscometer according to claim 1, it is characterised in that：Gear is provided with extraction liquid pipe (3)
Liquid pipe (4), gear liquid pipe (4) are communicated with extraction liquid pipe (3), and gear liquid pipe (4) is located at the top of lower liquid storage ball (6).
A kind of 9. new Ubbelohde viscometer according to claim 1, it is characterised in that：Lower liquid storage ball (6) is equipped with filling liquid
Mark (5).
A kind of 10. new Ubbelohde viscometer according to claim 1, it is characterised in that：Control is connected with into drain pipe (7)
The valve body that liquid passes through, the mouth of pipe of extraction liquid pipe (3) are connected with pumping device and liquid extruding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721212654.6U CN207263574U (en) | 2017-09-21 | 2017-09-21 | A kind of new Ubbelohde viscometer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721212654.6U CN207263574U (en) | 2017-09-21 | 2017-09-21 | A kind of new Ubbelohde viscometer |
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| CN207263574U true CN207263574U (en) | 2018-04-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884314A (en) * | 2017-09-21 | 2018-04-06 | 杭州震越科技有限公司 | A kind of Ubbelohde viscometer |
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- 2017-09-21 CN CN201721212654.6U patent/CN207263574U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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