CN207623191U - A kind of dilution Ubbelohde viscometer - Google Patents

A kind of dilution Ubbelohde viscometer Download PDF

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Publication number
CN207623191U
CN207623191U CN201721214103.3U CN201721214103U CN207623191U CN 207623191 U CN207623191 U CN 207623191U CN 201721214103 U CN201721214103 U CN 201721214103U CN 207623191 U CN207623191 U CN 207623191U
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pipe
liquid
ball
ubbelohde viscometer
measurement
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王震库
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Hangzhou Zhen Yue Science And Technology Co Ltd
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Hangzhou Zhen Yue Science And Technology Co Ltd
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Abstract

The utility model is related to viscosimeter field, a kind of dilution Ubbelohde viscometer and measuring device and measurement method are disclosed.Viscosimeter includes extraction liquid pipe (3) and measurement pipe (2), the side of measurement pipe (2) is connected with blow-down pipe (1), the lower end of measurement pipe (2) is connected with into drain pipe (7), mixing ball (6) is connected with below extraction liquid pipe (3), the bottom of mixing ball (20) is inserted into drain pipe (7), the lower end of mixing ball (6) is connected with stoste inlet tube (61);The nozzle of extraction liquid pipe (3) is connected with pumping device (30) and liquid extruding device (31), and measurement pipe (2), blow-down pipe (1), extraction liquid pipe (3) and stoste inlet tube (61) army are connected with the switching device for controlling its ferrule.The present apparatus has sample-adding convenient, stirs evenly, and it is accurate to measure, and cleans the advantages that simple, and test liquid and the cleaning solution rate of recovery are high.

Description

A kind of dilution Ubbelohde viscometer
Technical field
The utility model is related to viscosimeter fields, more particularly to a kind of dilution Ubbelohde viscometer.
Background technology
Ubbelohde viscometer be mainly used for measure liquid kinematic viscosity, be a kind of capillary viscometer of gravity-type, it according to The kinematic viscosity of liquid is measured from the delivery time in capillary under the force of gravity according to the liquid of certain volume, with other biographies System viscosimeter is compared, and the liquid storage ball of sample is designed in bottom, and bottom is designed smooth, increases automatic sampling pipe, real The external monopoly position in diluted viscosity has been broken in the full-automatic sample introduction of existing dilution viscometer, stirring, measurement, cleaning etc..Tradition is dilute Releasing meter, the country is all not carried out full-automation at present, and tradition sample-adding, stirring and measurement are dependent on and manually complete, and measure number It is larger according to error, take longer, the dirty right environment of a large amount of chemical solvents of cleaning consuming.
Utility model content
The shortcomings of the utility model is inconvenient for cleaning of the existing technology, and measurement error is big, waste reagent, dilution adds During sample, liquid feeding is not convenient enough, the shortcomings of not realizing stirring and uneven sample, provides a kind of dilution Ubbelohde viscosity Meter.
In order to solve the above technical problems, the utility model is addressed by following technical proposals:
A kind of dilution Ubbelohde viscometer, including extraction liquid pipe and measurement pipe, a diameter of 7~20mm of measurement pipe, measurement pipe Side be connected with blow-down pipe, the lower end of measurement pipe is connected with into drain pipe, mixing ball is connected with below extraction liquid pipe, into drain Pipe is inserted into the bottom of mixing ball, and the lower end for mixing ball is connected with stoste inlet tube.Mixing ball can ensure to provide a mixed liquid Room enables the mother liquor of addition to be first stirred, in the accuracy for measuring to ensure to measure.
Preferably, the bottom of mixing ball is plane.
Preferably, the cavity bottom of mixing ball is provided with magnetic stir bar.Magnetic stir bar has stirring convenient, stirs The advantages that uniform.
Preferably, measurement pipe is connected with liquid storage ball, timing ball, capillary and suspension fluid column ball in turn from top to bottom, Blow-down pipe, capillary and into drain pipe with suspension fluid column ball connect, between upper liquid storage ball and timing ball be equipped with upper timing scale, count When ball lower section be equipped with lower timing scale.
Preferably, being provided with gear liquid pipe in extraction liquid pipe, gear liquid pipe is located at the top of mixing ball.
Preferably, the nozzle of extraction liquid pipe is connected with pumping device and liquid extruding device.
Preferably, measurement pipe is connected with the first switch device of control ferrule, blow-down pipe is connected with control nozzle The second switch device of sealing;Extraction liquid pipe, which is connected with, controls its third switching device being connect with pumping device, liquid extruding device; Stoste inlet tube is connected with the 4th switching device.
Preferably, dilution Ubbelohde viscometer is arranged in installs case.
Preferably, installs case is thermostatic box.
Preferably, further including controller;First switch device, second switch device, third switching device and the 4th are opened Pass device is electromagnetic switch valve, is connect with controller line, pumping device and liquid extruding device are connect with controller line;Pumping device is Vacuum pump, liquid extruding device are booster pump.
Preferably, dilution Ubbelohde viscometer is arranged in installs case.
Preferably, installs case is thermostatic box.
Preferably, further including controller;First switch device, second switch device, third switching device and the 4th are opened Pass device is electromagnetic switch valve, is connect with controller line, pumping device and liquid extruding device are connect with controller line;Pumping device is Vacuum pump, liquid extruding device are booster pump.
The utility model uses above-mentioned technical proposal, has the advantages that:
This method can realize that whole-course automation operates, without human intervention.High certainty of measurement, liquid utilization rate is high, wave Take relatively low.And it is easy to clean, it tests test solution and rinse liquid lossless can recycle, greatly reduce the waste of test solution, save Resource and cost.
And during carrying out being loaded diluted, be repeatedly loaded from bottom, sample-adding is convenient, reduce in industry from The sample introduction error of other automatic sampling modes.And sample-adding stoste has stirring equal during being diluted using magnetic agitation It is even, stir the advantages that facilitating.
And it is had the following advantages in experiment measurement process medium viscosity meter:
1) present apparatus can realize the automatic business processing for integrating rinse, measurement, cleaning, without human intervention, measure Precision is high.And it is easy to clean, it tests test solution and rinse liquid lossless can recycle, greatly reduce the waste of test solution, save Resource and cost.Supercharging and negative regulation so that in feed liquor and go out liquid process stabilization.And entirely Ubbelohde pipe nozzle is not outer Leakage, makes that the operation is more convenient, and the service life is longer for Ubbelohde pipe.
2) sample is directly extracted from sample bottle, is 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 be carried out simply purifying and be recycled, 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 nozzles open etc. actions, realize automatic measurement, cleaning, It is dry.Especially in rinse and emptying, extraction liquid pipe can carry out positive/negative-pressure processing and fast implement 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, it is very environmentally friendly.
4) the utility model changes the measuring principle of Ubbelohde viscosity, the data of measurement 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, does not have to worry to sample biography Defeated to be damaged to valve, pump machanism, the utility model extracts sample with stable pressure timing, and having extracted can automatic absorption sky Gas generates the mixed dynamic sample of bubble evenly.When cleaning, it is mixed that air generation is absorbed to be extracted more than the cleaning solution of sample size, after taking It is dynamic all to clean to contaminated area.
6) the utility model is customized without screw socket, does not have to 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 being easily achieved automatic Change.
Description of the drawings
Fig. 1 is the structural schematic diagram of viscosimeter;
Fig. 2 is full-automatic diluted viscosity measuring device.
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 label, 6 one mixing balls, 7 hang fluid column balls, 9 one enclosed globe shades, 10 1 capillarys into drain pipe, 8 one Pipe, 11 1 timing balls, liquid storage ball, MU once timing scale, timing scale on MO mono- on 12 1.
Specific implementation mode
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 dilution Ubbelohde viscometer, including extraction liquid pipe 3 and measurement pipe 2, the side of measurement pipe 2 connect It is connected to blow-down pipe 1, the lower end of measurement pipe 2 is connected with into drain pipe 7, and 3 lower section of extraction liquid pipe is connected with mixing ball 6, into drain pipe 7 It is inserted into the bottom of mixing ball 20, the lower end of mixing ball 6 is connected with stoste inlet tube 61.The bottom for mixing ball 20 is plane;It is mixed The cavity bottom for closing ball 20 is provided with magnetic stir bar 40.The outside of corresponding mixing ball 20 is provided with magnetic stirring apparatus to magnetic Power stirrer 40 is acted on, and can be carried out rotation and is stirred liquid.
The diameter of wherein a diameter of 7mm~20mm of measurement pipe 2, measurement pipe 2 here are apparently not the diameter of capillary, Here diameter is represented as 2 pipe shaft diameter of measurement pipe.
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, puts Blank pipe 1, capillary 10 and connect into drain pipe 7 with suspension fluid column ball 8, equipped with upper meter between upper liquid storage ball 12 and timing ball 11 The lower section of Shi Kedu MO, timing ball 11 are equipped with lower timing scale MU;It is both provided at upper timing scale MO and lower timing scale MU Sensor.Gear liquid pipe 4 is provided in extraction liquid pipe 3, gear liquid pipe 4 is located at the top of mixing ball 20.Extraction liquid pipe 3 is connected with drawing liquid Device 30 and liquid extruding device 31.
The measurement method of viscosimeter is:
Measurement pipe 2, blow-down pipe 1 are closed, the pumping device 30 and stoste inlet tube 61 of connection extraction liquid pipe 3, drawing liquid are opened Device 30 extracts rinse liquid from sample bottle and enters mixing ball 20;
Step 2: closing blow-down pipe 1 and stoste inlet tube 61, opens measurement pipe 2 and liquid extruding device 31, liquid extruding device 31 push away Hydrodynamic body enters measurement pipe 2 and carries out rinse;
Step 3: rinse terminates, starting pumping device 30 makes the rinse liquid in measurement pipe 2 fall after rise rapidly to mixing ball 20;
Step 4: closing blow-down pipe 1 and measurement pipe 2, liquid extruding device 3131 and stoste inlet tube 61 are opened, rinse liquid is pushed away Enter into sample bottle;
Step 5: rinse fluid samples bottle is replaced with measurement sample bottle, repeats step 1 and step 2 pushes away required liquid Enter the upper liquid storage ball 12 to measurement pipe 2;
Step 6: liquid freely fall to timing scale start timing, to lower timing scale when stop timing, liquid returns Drop down onto mixing ball 20;
Step 7: close measurement pipe 2 and blow-down pipe 3, open stoste inlet tube 61 and pumping device 30, pumping device 30 from Stoste is extracted in sample bottle enters mixing ball 20;Magnetic stir bar 40 rotates agitation and dilution;
Step 8: repetition step 5 and step 6 measure the viscosity after dilution;Then repeat Step 7: step 5 and Step 6 measures the viscosity of test solution under various concentration;
Terminate Step 9: measuring, closes blow-down pipe 1 and measurement pipe 2;Stoste inlet tube 61 and liquid extruding device 31 are opened, is pushed away The test solution mixed in ball 20 is pushed into test solution bottles by liquid device 31;
Step 10: repeating Step 1: step 2 and step 3 clean extraction liquid pipe 3, blow-down pipe 1, measurement pipe 2.
Embodiment 2
As depicted in figs. 1 and 2, a kind of full-automatic diluted viscosity measuring device, including dilution Ubbelohde described in embodiment 1 are viscous Degree meter, dilution Ubbelohde viscometer are arranged in installs case 50, and installs case 50 is thermostatic box.Upper timing scale MO and lower timing are carved It is provided with sensor at degree MU, in order to realize automation, the present apparatus further includes controller.First switch device 32, second switch Device 33, third switching device 34 and the 4th switching device 35 are electromagnetic switch valve, are connect with controller line, 30 He of pumping device Liquid extruding device 31 is connect with controller line;Pumping device 30 is vacuum pump, and liquid extruding device 31 is booster pump.
The utility model additionally provides a kind of measurement method using the full-automatic diluted viscosity measuring device;Including following Step:
Step 1: controller closes first switch device 32, second switch device 33, third switching device 34, the are opened Four switching devices 35 and pumping device 30, pumping device 30 extract rinse liquid from sample bottle and enter mixing ball 20;
Step 2: controller closes second switch device 33, pumping device 30, the 4th switching device 35, opens first and open Device 32 and liquid extruding device 31 are closed, liquid extruding device 31 pushes liquid to enter measurement pipe 2 and carries out rinse;
Step 3: rinse terminates, second switch device 33, the 4th switching device 34 are closed, starts pumping device 30 and the Three switching devices 34 make the rinse liquid in measurement pipe 2 fall after rise rapidly to mixing ball 20;
Step 4: closing first switch device 32 and second switch device 33, liquid extruding device 31, third switching device are opened 34 and the 4th switching device 35, rinse liquid is pushed into sample bottle 14;
Step 5: rinse fluid samples bottle is replaced with measurement sample bottle, repeats step 1 and step 2 pushes away required liquid Enter the upper liquid storage ball 12 to measurement pipe 2;
Step 6: liquid freely fall to timing scale start timing, to lower timing scale when stop timing, liquid returns Drop down onto mixing ball 20;
Step 7: controller closes first switch device 32, second switch device 33, third switching device 34, the are opened Four switching devices 35 and pumping device 30, pumping device 30 extract stoste from sample bottle and enter mixing ball 20;Controller controls Magnetic stir bar 40 rotates agitation and dilution;
Step 8: repetition step 5 and step 6 measure the viscosity after dilution;Then repeat Step 7: step 5 and Step 6 measures the viscosity of test solution under various concentration;
Terminate Step 9: measuring, closes first switch device 32 and second switch device 33;Open third switching device The test solution mixed in ball 20 is pushed into test solution bottles by 34, the 4th switching device 35 and liquid extruding device 31, liquid extruding device 31;
Step 10: repeating Step 1: step 2 and step 3 clean extraction liquid pipe 3, blow-down pipe 1, measurement pipe 2.
Wherein, the nozzle of extraction liquid pipe 3 is connected with pumping device 30 and liquid extruding device 31, and measurement pipe 2 is connected with control pipe The first switch device 32 of mouth sealing, blow-down pipe 1 are connected with the second switch device 33 of control ferrule;Extraction liquid pipe 3 connects It is connected to and controls its third switching device 34 being connected to pumping device 30, liquid extruding device 31;Into the bottom of drain pipe 7 be connected with into Liquid component 21, feed liquor component 21 and installs case 20 are bolted to connection;Feed liquor component 21 includes inlet 22, liquid outlet 23 With the 4th switching device 24 that be connected to liquid outlet 23 of control inlet 22, liquid outlet 23 with into drain pipe 7 to be flexible coupling, feed liquor The bottom of mouth 22 is connected with sample bottle 14.Liquid outlet 23 is provided with chuck 35, and chuck 35 includes the holding section 36 and bottom on top The opening area of the pedestal 37 in portion, holding section 36 inwardly becomes larger successively from upper, and holding section 36 is inserted into from top to bottom into drain pipe 7 It is interior.Chuck 35 is rubber material, it is also possible to which other soft resistant materials replace.The middle part of pedestal 37 is provided with connection liquid outlet The diameter of 23 through-hole, through-hole is identical with the diameter of 36 upper end of holding section, so that cutting ferrule 36 into drain pipe 7 to being clamped Sealing.In order to make device stablize in carrying out imbibition and discharge opeing process, pumping device 30 is vacuum pump, and liquid extruding device 31 is supercharging Pump.The present apparatus further includes controller to realize automation;First switch device 32, second switch device 33, third switch dress Set 34 and the 4th switching device 35 be electromagnetic switch valve, connect with controller line, pumping device 30 and liquid extruding device 31 with control Device line connects, and pumping device 30 and liquid extruding device 31 are connect with controller line.
The present apparatus is as follows using the measurement method of process:
Step 1: controller is by closing first switch device 32, second switch device 33 closes measurement pipe 2 and emptying Pipe 1 is opened third switching device 34, the 4th switching device 35 and pumping device 30, pumping device 30 and is extracted from sample bottle 14 Liquid enters mixing ball 6;
Step 2: controller closes second switch device 33, pumping device 30, the 4th switching device 35, opens first and open Device 32 and liquid extruding device 31 are closed, liquid extruding device 31 pushes liquid to enter measurement pipe 2 and carries out rinse;
Step 3: rinse terminates, second switch device 33, the 4th switching device 34 are closed, starts pumping device 30 and the Three switching devices 34 make the rinse liquid in measurement pipe 2 fall after rise rapidly to mixing ball 6;
Step 4: closing first switch device 32 and second switch device 33, liquid extruding device 31, third switching device are opened 34 and the 4th switching device 35, rinse liquid is pushed into sample bottle 14 and carries out recycling and seals up for safekeeping;
Step 5: rinse fluid samples bottle is replaced with measurement sample bottle, step 1 and step 2 are repeated to which ball 6 will be mixed Sample liquid raise supreme liquid storage ball 12, wait to be measured;
Step 6: control second switch device 33, first switch device 32 and third switching device 34, to open emptying Pipe 1, measurement pipe 2, extraction liquid pipe 3, sensor starts self-clocking when sample liquid freely falling body liquid level passes through upper measurement position MO, passes through Cross down when being measured as MU, be automatically stopped timing, calculated automatically further according to correlation formula needed for data, liquid falls after rise to mixing ball 6, Third switching device 34, the 4th switching device 35 and liquid extruding device 31 are opened, first switch device 32 and second is simultaneously closed off and opens Device 33 is closed, the liquid for mixing ball 6 is pushed into sample bottle 14 by liquid extruding device 31;
Step 7: repeating Step 1: step 2 and step 3 clean extraction liquid pipe 3, blow-down pipe 1, measurement pipe 2.
When cleaning by above-mentioned principle carry out, can Safety Purge peace and quiet without think intervene can clean up, it is only necessary to add The cleaning solution entered slightly add into sample liquid, selection exceeds 1ml~2ml, and after the completion of cleaning, cleaning solution is all through into drain Pipe 7 is recycled in former bottle, and process environmental protection operates very simple, conveniently without leakage, and can recycle the viscosimeter, The sample of recycling can carry out purification recycling using chemical technology.
Certainly needs, first switch device 32, second switch device 33, third switching device 34 are measured according to actual production With the 4th switching device 35 or the switch valve manually controlled.
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 should all belong to the utility model for example, deliberately the diameter of measurement pipe 2 zooms in or out The covering scope of patent.

Claims (10)

1. a kind of dilution Ubbelohde viscometer, including extraction liquid pipe (3) and measurement pipe (2), the side of measurement pipe (2) are connected with emptying It manages (1), a diameter of 7~20mm of measurement pipe (2), it is characterised in that:The lower end of measurement pipe (2) is connected with into drain pipe (7), is taken out It is connected with mixing ball (6) below liquid discharging tube (3), the bottom of mixing ball (20) is inserted into drain pipe (7), mixes under ball (6) End is connected with stoste inlet tube (61).
2. a kind of dilution Ubbelohde viscometer according to claim 1, it is characterised in that:It is flat to mix the bottom of ball (20) Face.
3. a kind of dilution Ubbelohde viscometer according to claim 1 or 2, it is characterised in that:Mix the cavity bottom of ball (20) Portion is provided with magnetic stir bar (40).
4. a kind of dilution Ubbelohde viscometer according to claim 3, it is characterised in that:Measurement pipe (2) is from top to bottom successively It is connected with liquid storage ball (12), timing ball (11), capillary (10) and suspension fluid column ball (8), blow-down pipe (1), capillary (10) It is connect with suspension fluid column ball (8) with into drain pipe (7), upper timing scale is equipped between upper liquid storage ball (12) and timing ball (11), The lower section of timing ball (11) is equipped with lower timing scale.
5. a kind of dilution Ubbelohde viscometer according to claim 4, it is characterised in that:It is provided with gear in extraction liquid pipe (3) Liquid pipe (4), gear liquid pipe (4) are located at the top of mixing ball (20).
6. a kind of dilution Ubbelohde viscometer according to claim 1, it is characterised in that:The nozzle of extraction liquid pipe (3) connects There are pumping device (30) and liquid extruding device (31).
7. a kind of dilution Ubbelohde viscometer according to claim 6, it is characterised in that:Measurement pipe (2) is connected with control pipe The first switch device (32) of mouth sealing, blow-down pipe (1) are connected with the second switch device (33) of control ferrule;Extraction liquid Pipe (3), which is connected with, controls its third switching device (34) being connect with pumping device (30), liquid extruding device (31);Stoste inlet tube (61) it is connected with the 4th switching device (35).
8. a kind of dilution Ubbelohde viscometer according to claim 1, it is characterised in that:Dilution Ubbelohde viscometer setting is being pacified It cases in (50).
9. a kind of dilution Ubbelohde viscometer according to claim 8, it is characterised in that:Installs case (50) is thermostatic box.
10. a kind of dilution Ubbelohde viscometer according to claim 7 or 8 or 9, it is characterised in that:It further include controller;The One switching device (32), second switch device (33), third switching device (34) and the 4th switching device (35) are electromagnetic switch Valve is connect with controller line, and pumping device (30) and liquid extruding device (31) are connect with controller line;Pumping device (30) is vacuum Pump, liquid extruding device (31) are booster pump.
CN201721214103.3U 2017-09-21 2017-09-21 A kind of dilution Ubbelohde viscometer Active CN207623191U (en)

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CN201721214103.3U CN207623191U (en) 2017-09-21 2017-09-21 A kind of dilution Ubbelohde viscometer

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113188954A (en) * 2021-04-28 2021-07-30 北京理工大学 Automatic device for measuring viscosity of nitrocotton

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113188954A (en) * 2021-04-28 2021-07-30 北京理工大学 Automatic device for measuring viscosity of nitrocotton

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