CN204903336U - Poiseuille control by temperature change viscosity apparatus - Google Patents
Poiseuille control by temperature change viscosity apparatus Download PDFInfo
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- CN204903336U CN204903336U CN201520491436.5U CN201520491436U CN204903336U CN 204903336 U CN204903336 U CN 204903336U CN 201520491436 U CN201520491436 U CN 201520491436U CN 204903336 U CN204903336 U CN 204903336U
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- 230000008859 change Effects 0.000 title abstract description 4
- 239000007788 liquid Substances 0.000 claims abstract description 95
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 238000005259 measurement Methods 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000005057 refrigeration Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 239000012153 distilled water Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 5
- 229910052895 riebeckite Inorganic materials 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 2
- 238000013021 overheating Methods 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 16
- 230000008901 benefit Effects 0.000 description 11
- 238000004321 preservation Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 4
- 239000008233 hard water Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- 235000020681 well water Nutrition 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
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- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model relates to a poiseuille control by temperature change viscosity apparatus, include the box and set up the circulation heating device of the measuring device on the box, built -in controller, the compression refrigeration device and the intelligent temperature controller of built -in controller, measuring device and circulation heating device set up in the inside upside of box, the compression refrigeration device sets up in the inside downside of box, the rectangle recess has been seted up on box upper portion to be equipped with the apron that is used for sealed rectangle recess, measuring device sets up in the rectangle recess, and the rectangle transparent window of being convenient for observe the measurement process is seted up to one side of rectangle recess, the circulation heating device stretches out one side that two nonrust steel pipes lie in intelligent temperature controller be equipped with accuse temperature liquid on the both sides wall of box respectively and advance the drain pipe and measure the liquid drain pipe, be connected with manually -operated valve on liquid pipe pipeline. This instrument can carry out the liquid viscosity measurement in - 5 DEG C -50 DEG C temperature range, convenient to use, and low cost easily uses widely.
Description
Technical Field
The utility model relates to an instrument for measuring liquid viscosity, in particular to a temperature-control liquid viscosity measuring instrument according to Poisea law.
Background
The existing method for measuring the viscosity coefficient of liquid is a falling sphere method and utilizes Stokes' law. Its principle is briefly described as follows.
The well-known stokes law describes the viscous resistance experienced by a spherical object. A radius ofrAt a speed ofvA ball moving in a liquid is subject to a resistance opposite to its speed:
whereinηIs the viscosity coefficient. If the mass of the pellet ismVolume isVThe density of the liquid beingρ，aAcceleration of the ball is as follows
The small ball descends at the beginning with a certain acceleration, but in the liquid with larger viscosity, the viscous resistance is rapidly increased along with the increase of the speed, the gravity, the buoyancy and the viscous force borne by the small ball are balanced rapidly, the acceleration is 0, and the small ball is at a constant speedvMove downwards, at this time have
According to the mass of the pelletmVolume, volumeVDensity of liquidρAnd the falling speed of the small ballvThe viscosity coefficient can be calculated:
whereintIn order to achieve a uniform rate of fall time,Sthe speed is obtained by comparing the two distances for uniform descendingv. The above formula applies to an infinitely wide range of liquids if the globules have a diameter of oneDThe vertical cylindrical measuring cylinder in (1) falls along the axis, and the influence of the wall is considered, and the vertical cylindrical measuring cylinder needs to be corrected into the following form:
in the formuladIs the diameter of the pellet.
The existing instruments for measuring the viscosity coefficient of liquid by adopting the ball falling method relate to a cylindrical measuring cylinder, a measuring tape, a timer, tweezers, a screw micrometer and the like, so that the measurement data of the mass and the diameter of a small ball has larger errors, and the measurement result of the ball falling method has larger errors due to improper control of the falling position of the small ball. In addition, the instrument can only measure the viscosity coefficient of the liquid at room temperature, so that the instrument has certain limitation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a poise leaf control by temperature change viscometer, this instrument overall structure design benefit, convenient operation has thoroughly overcome and has adopted falling ball method to measure the problem and the defect that liquid viscosity coefficient exists, and not only measurement accuracy is high, and can carry out the measurement of liquid viscosity at-5 ℃ -50 ℃ temperature range.
In order to achieve the above object, the utility model adopts the technical scheme that a poise leaf temperature control viscometer comprises a box body, a measuring device arranged on the box body, a circulating heating device with a built-in controller, a compression refrigerating device with a built-in controller and an intelligent temperature controller, wherein the intelligent temperature controller is electrically connected with the controller of the circulating heating device and the controller of the compression refrigerating device; the measuring device and the circulating heating device are arranged on the upper side in the box body, and the compression refrigerating device is arranged on the lower side in the box body; a rectangular groove is formed in the upper portion of the box body, a cover plate used for sealing the rectangular groove is arranged on the upper portion of the box body, the rectangular groove is arranged in front of the circulating heating device, the measuring device is arranged in the rectangular groove, and a rectangular transparent window convenient for observing the measuring process is formed in one side of the rectangular groove; the intelligent temperature controller is arranged outside the box body and is positioned right above the circulating heating device, the circulating heating device stretches out two stainless steel pipes and is positioned on one side of the intelligent temperature controller, a temperature control liquid inlet and outlet pipe and a measurement liquid outlet pipe are respectively arranged on two side walls of the box body, and a manual valve is connected to a pipeline of the temperature control liquid inlet and outlet pipe and a pipeline of the measurement liquid outlet pipe.
As an improvement of the utility model, the box is equipped with stainless steel inner bag, asbestos heat preservation and high-quality steel sheet spraying plastics shell from inside to outside in proper order, the influence of external environment can effectively be avoided as the heat preservation system of whole instrument to the asbestos heat preservation.
As an improvement of the utility model, temperature-controlled liquid is distilled water, and distilled water is soft water, and well water, river, spring water etc. that use among the daily life belong to the hard water, use hard water as temperature-controlled liquid can cause the heating pipe to burst and influence the constant temperature sensitivity of intelligent temperature controller.
As an improvement of the utility model, the compression refrigerating plant adopts the refrigeration of the totally closed compressor unit of air-cooled, and the cooling rate is fast, and the noise is low, and the compression refrigerating plant has overheated, overcurrent's protection device.
As the utility model discloses an improve, be equipped with the touch on the intelligence temperature controller and set up soft key, temperature digital display screen and status indicator lamp, the touch sets up the soft key and sets for the temperature fast, convenient operation, and the intelligence temperature controller has after the PID automatic correction temperature measurement value deviation with the audio-visual demonstration of temperature value with numerical value form on temperature digital display screen, and digital display resolution ratio is 0.05 ℃.
As an improvement of the utility model, measuring device includes cylindrical liquid storage tank, flexible glue pipe and glass viscosity pipe, the liquid storage tank adopts the stainless steel ring fixed suspension in the rectangle recess, be provided with filling opening and liquid outlet on the liquid storage tank, glass viscosity pipe is violently managed and four standpipe constitutions by one, four standpipe equidistant with violently manage and be linked together, the one end of violently managing is passed through the flexible glue pipe and is linked to each other with the liquid storage tank, and the other end links to each other with the measurement liquid drain pipe on the box, and the length of standpipe is not less than the height of liquid storage tank.
As an improvement of the present invention, the circulation heating device is provided with an electric heater, a heating sleeve and a circulation pump, the heating sleeve increases the heating area, and the circulation pump circulates the temperature control liquid in the heating sleeve in a circulation manner, so that the whole measuring device is in a constant temperature state; the circulating pump adopts an internal circulation mode of connecting the liquid outlet pipe and the liquid inlet pipe through a hose.
As an improvement of the utility model, the temperature control range of the intelligent temperature controller is-5 ℃ to 50 ℃, and the temperature control precision is 0.1 ℃.
As an improvement of the utility model, be provided with the scale mark on the standpipe, be convenient for observe the liquid level height of the measurement liquid that flows to the standpipe in the measurement process, and the right side of the transparent window of rectangle is provided with the scale, the height of further auxiliary measurement liquid level in the standpipe.
As an improvement of the utility model, the cover plate is made of heat preservation and insulation materials, and the rectangular groove is sealed by the cover plate during measurement, so that the heat preservation and isolation functions are realized; the two stainless steel pipes extending out of the circulating heating device are connected by adopting the transparent flexible rubber pipe to form a U-shaped water circulating pipe, and then circulating heating water in the circulating heating device is circulated outside, so that a more constant temperature effect is obtained, and particularly, when the temperature is kept below 0 ℃.
Compared with the prior art, the utility model has the advantages that 1) the whole structure is skillfully designed, the disassembly, assembly, maintenance and replacement are convenient, and the cost is lower; 2) the instrument has simple and reliable structure and convenient use, and the relative error of the measurement result of the instrument is less than 5 percent through actual measurement and test data comparison; 3) the instrument can measure the viscosity of liquid under the temperature control condition of minus 5 ℃ to 50 ℃, is suitable for detecting the viscosity coefficient of the liquid related to mechanisms such as chemical engineering, medicine, petroleum, biology, electronic instruments, factory experiments, universities and research institutions and the like, and has the advantages of low cost, high measurement precision and easy popularization and use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-box, 2-intelligent temperature controller, 3-transparent window, 4-temperature control liquid inlet and outlet pipe, 5-measurement liquid outlet pipe, 6-manual valve, 7-U type water circulation pipe 8-liquid storage tank, 9-horizontal pipe, 10-vertical pipe, 11-flexible rubber pipe, 12-current measurement temperature window, 13-current set temperature window, 14-touch set soft key, 15-state indicator lamp, 16-circulation switch, 17-power switch, 18-graduated scale, 19-cover plate and 20-handle.
Detailed Description
For the purposes of promoting an understanding and appreciation of the invention, the invention will be further described and illustrated in connection with the accompanying drawings.
Example 1:referring to fig. 1, a poiseuille temperature-controlled viscometer comprises a tank 1, a measuring device arranged on the tank, a circulating heating device (not shown in the figure) with a built-in controller, a compression refrigerating device (not shown in the figure) with a built-in controller, and an intelligent temperature controller 2, wherein the intelligent temperature controller 2 is electrically connected with the controller of the circulating heating device and the controller of the compression refrigerating device. The measuring device and the circulating heating device are arranged on the upper side in the box body 1, and the compression refrigerating device is arranged on the lower side in the box body 1; the upper part of the box body 1 is provided with a rectangular groove (not shown)Marked in the figure) and is provided with a cover plate 19 for sealing the rectangular groove, the cover plate 19 is provided with a handle 20, the rectangular groove is arranged in front of the circulating heating device, the measuring device is arranged in the rectangular groove, and one side of the rectangular groove is provided with a rectangular transparent window 3 convenient for observing the measuring process; intelligent temperature controller 2 sets up in the outside of box 1 and is located circulation heating device directly over, circulation heating device stretches out two nonrust steel pipes and is located one side of intelligent temperature controller be equipped with accuse temperature liquid respectively on the both sides wall of box 1 and advance drain pipe 4 and measure liquid drain pipe 5 accuse temperature liquid advances drain pipe 4 and is connected with manual valve 6 on the pipeline of measuring liquid drain pipe 5. The whole instrument is powered by 220V mains supply, and a power line is arranged on a power box (not marked in the figure) at the back of the box body. The whole technical scheme is ingenious and practical in design, and the measuring precision and the application range of the instrument are improved.
Example 2:as figure 1, as the utility model discloses an improvement, measuring device includes cylindrical liquid storage tank 8, flexible glue pipe 11 and glass viscosity pipe, liquid storage tank 8 adopts stainless steel ring (not marking in the picture) fixed suspension in the rectangle recess, be provided with filler (not marking in the picture) and liquid outlet (not marking in the picture) on the liquid storage tank 8, glass viscosity pipe comprises a violently pipe 9 and four standpipe 10, and the one end opening of four standpipe 10, the equidistant violently pipe 9 with violently manage of the other end is linked together, violently the one end of pipe 9 is passed through flexible glue pipe 11 and is linked together with liquid storage tank 8, and the other end links to each other with measurement liquid drain pipe 5 on the box, and the length of standpipe 10 is not less than liquid storage tank 8's height. The rest of the structure and advantages are exactly the same as those of embodiment 1.
Example 3:as an improvement of the present invention, as shown in fig. 1, the box body 1 is provided with a stainless steel inner container, an asbestos insulation layer and a high-quality steel plate plastic-sprayed shell from inside to outside in sequence, wherein the asbestos insulation layer is used as a wholeThe heat preservation system of individual instrument can effectively avoid external environment's influence. The rest of the structure and advantages are exactly the same as those of embodiment 1.
Example 4:as figure 1, as the utility model discloses an improvement, compression refrigerating plant adopts the refrigeration of the totally closed compressor unit of air-cooled, and PT100 sensor is connected to the compensation wire on its controller, and the cooling rate is fast, and the noise is low, and compression refrigerating plant has overheated, the protection device of overcurrent. The rest of the structure and advantages are exactly the same as those of embodiment 1.
Example 5:as an improvement of the present invention, as shown in fig. 1, the circulating heating device is configured with a stainless steel electric heater, a heating sleeve and a circulating pump, a compensation wire on the controller is connected to the PT100 sensor, the heating sleeve increases the heating area, and the circulating pump allows the temperature control liquid to circulate in the heating sleeve in a circulating manner, so as to make the whole measuring device in a constant temperature state. And the circulating pump adopts an internal circulation connection mode of connecting the liquid outlet pipe with the liquid inlet pipe through a hose, the temperature control liquid only flows in the box body, and the temperature control liquid is only added and discharged from the temperature control liquid inlet and outlet pipe, so that the structure is simple and reliable, and the manufacturing cost is low. The rest of the structure and advantages are exactly the same as those of embodiment 1.
Example 6:as figure 1, as the utility model discloses an improvement, be equipped with the touch on the intelligent temperature controller 2 and set up soft key 14, temperature digital display screen, status indicator lamp 15, switch 17 and circulation switch 16, the touch sets up soft key 14 quick set temperature, convenient operation, after intelligent temperature controller 2 has PID automatic correction temperature measurement value deviation with the temperature value with the audio-visual demonstration of numerical value form on temperature digital display screen, digital display resolution is 0.05 ℃. The intelligent temperature controller adopts a PT100 sensor to measure the temperature, the temperature control range is-5 ℃ to 50 ℃, and the temperature control precision isAt 0.1 deg.c, the PT100 sensor entered the box from the top of the box. Wherein, the touch setting soft key 14 comprises a temperature increasing key, a temperature decreasing key and a temperature setting key, the temperature digital display screen comprises a current measured temperature window 12 and a current set temperature window 13, and the status indicator light 15 comprises a heating indicator light, a refrigerating indicator light, a circulation indicator light and a temperature setting indicator light. In addition, a reference temperature of 25 ℃ is set in the intelligent temperature controller 2, and when the set temperature is lower than the reference temperature, the cooling indicator lamp is turned on, and when the set temperature is higher than the reference temperature, the heating indicator lamp is turned on. The rest of the structure and advantages are exactly the same as those of embodiment 1.
Example 7:as fig. 1, as an improvement of the present invention, the vertical tube 10 is provided with scale marks for observing the liquid level of the measuring liquid flowing to the vertical tube during the measuring process, and the right side of the rectangular transparent window is provided with a scale 18 for further assisting in measuring the height of the liquid level in the vertical tube 10. The rest of the structure and advantages are exactly the same as those of embodiment 1.
Example 8:as shown in fig. 1, as an improvement of the present invention, the cover plate 19 is made of a heat insulating material, and the rectangular groove is sealed by the cover plate 19 during measurement, so as to perform the function of heat insulation; the two stainless steel pipes extending out of the circulating heating device are connected by adopting the transparent flexible rubber pipe to form a U-shaped water circulating pipe 7, so that circulating heating water in the circulating heating device is circulated outside, and particularly when the temperature is kept below 0 ℃, a more constant temperature effect can be obtained. The rest of the structure and advantages are exactly the same as those of embodiment 1.
Example 9:as shown in figure 1, as an improvement of the present invention, the temperature control liquid is distilled water, the distilled water is soft water, well water, river water, spring water and the like used in daily life belong to hard water, and the hard water is used as the temperature control liquidThe heating pipe can burst and the constant temperature sensitivity of the intelligent temperature controller is influenced. The rest of the structure and advantages are exactly the same as those of embodiment 1.
The present invention can also combine at least one of the technical features of embodiments 2, 3, 4, 5, 6, 7, 8, 9 with embodiment 1 to form a new implementation.
The working principle is as follows: the power line of the instrument is connected to a mains supply socket, the instrument enters an operating state after a power switch is turned on, the temperature set last time and the measured temperature are displayed on a temperature digital display screen after power-on, and a manual valve at the position of a temperature control liquid inlet and outlet pipe is opened to allow distilled water to be added into the box body. The temperature setting key is pressed after the required temperature is set through the temperature increasing key and the temperature decreasing key, the current measured temperature is displayed in the current measured temperature window, the current set temperature is displayed in the current set temperature window, and the temperature setting indicator lamp is turned on at the moment. After the circulation switch is turned on, the distilled water flows and circulates in the instrument box body, and the circulation indicator lamp is turned on at the moment. And after the temperature is set, the temperature setting indicator lamp is turned off, the intelligent temperature controller measures and displays the temperature of the distilled water in the current box body, and then the intelligent temperature controller enters an automatic control state. And opening the cover plate, adding the liquid to be measured into the liquid storage tank, paying attention to the fact that the liquid level of the liquid in the liquid storage tank cannot exceed about 2 cm of the height of the vertical pipe, and covering the cover plate after the liquid to be measured is added. After the temperature that shows on the temperature digital display screen reaches the settlement temperature and keeps a period, open the manual valve of measuring liquid drain pipe department, let the liquid that awaits measuring flow out and steadily flow on violently pipe and standpipe from the liquid storage tank, flow out through measuring the liquid drain pipe at last to deposit in the container. Meanwhile, the liquid level gradient of the liquid to be measured in the vertical pipes is observed through the rectangular transparent window, the liquid level scale number on each vertical pipe is recorded, so that the pressure intensity at the two ends of the transverse pipe is calculated, the container containing the liquid to be measured is weighed by the electronic scale to measure the mass of the container, and the volume flow of the liquid to be measured is calculated according to the relation between the density and the mass of the liquid. And finally, calculating the viscosity coefficient of the liquid to be measured according to the Poisea formula.
The principle of Poiseul's law is briefly described as follows:
when incompressible fluid flows steadily in the pipe, the flow velocity is maximum at the center of the pipe and is smaller closer to the pipe wall. It can be demonstrated that the flow velocity follows the radiusrThe change relationship is as follows:
wherein,lthe length between the vertical pipes is shown,p 1andp 2is the pressure intensity at the two ends of the transverse pipe,Ris the inner radius of the transverse pipe,ηthe total volume flow of the liquid to be measured in the transverse pipe can be further obtained according to the Poisea formula for the viscosity coefficient of the liquid to be measuredQSatisfies the following conditions:
total volume flow rate in the above formula (7)QLength between vertical tubeslPressure intensity at two ends of horizontal pipep 1Andp 2and inner radius of the cross tubeRAll are known quantities and the viscosity of the liquid to be measured can be calculated by the formula (7)η。
It should be noted that the above-mentioned embodiments are not intended to limit the scope of the present invention, and all equivalent changes and substitutions made on the basis of the above-mentioned technical solutions are within the scope of the present invention as defined in the claims. In the claims, the word "comprising" does not exclude the presence of elements not listed in a claim.
Claims (10)
1. Poisea temperature control viscometer, its characterized in that: the intelligent temperature controller is electrically connected with the controller of the circulating heating device and the controller of the compression refrigerating device; the measuring device and the circulating heating device are arranged on the upper side in the box body, and the compression refrigerating device is arranged on the lower side in the box body; a rectangular groove is formed in the upper portion of the box body, a cover plate used for sealing the rectangular groove is arranged on the upper portion of the box body, the rectangular groove is arranged in front of the circulating heating device, the measuring device is arranged in the rectangular groove, and a rectangular transparent window convenient for observing the measuring process is formed in one side of the rectangular groove; the intelligent temperature controller is arranged outside the box body and is positioned right above the circulating heating device, the circulating heating device stretches out two stainless steel pipes and is positioned on one side of the intelligent temperature controller, a temperature control liquid inlet and outlet pipe and a measurement liquid outlet pipe are respectively arranged on two side walls of the box body, and a manual valve is connected to a pipeline of the temperature control liquid inlet and outlet pipe and a pipeline of the measurement liquid outlet pipe.
2. The poiseuille temperature-controlled viscometer of claim 1 in which the compression refrigeration means employs an air-cooled fully-enclosed compressor train for refrigeration and has means for protection against overheating and overcurrent.
3. The poiseuille temperature-controlled viscometer of claim 1 in which the intelligent temperature controller is provided with a touch setting soft key, a temperature digital display screen and a status indicator light, the digital display resolution being 0.05 ℃.
4. The poiseuille temperature-controlled viscometer of claim 1 in which the measuring device comprises a cylindrical liquid storage tank, a flexible rubber tube and a glass viscosity tube, the liquid storage tank is fixedly suspended in a rectangular groove by a stainless steel ring, the liquid storage tank is provided with a liquid charging port and a liquid discharging port, the glass viscosity tube is composed of a horizontal tube and four vertical tubes, the four vertical tubes are communicated with the horizontal tube at equal intervals, one end of the horizontal tube is connected with the liquid storage tank through the flexible rubber tube, the other end of the horizontal tube is connected with a liquid discharging pipe for measuring on the box body, and the length of the vertical tubes is not less than the height of the liquid storage tank.
5. The poiseuille temperature-controlled viscometer of claim 1 in which the circulation heating means is configured with an electric heater, a heating jacket and a circulation pump.
6. The poiseuille temperature-controlled viscometer of claim 1 or 3, wherein the temperature control range of the intelligent temperature controller is-5 ℃ to 50 ℃, and the temperature control precision is 0.1 ℃.
7. The Poiseuille temperature-controlled viscometer of claim 4 in which the standpipe is provided with graduation marks and a graduated scale is provided to the right of the rectangular transparent window.
8. The Poisea temperature-controlled viscometer of claim 1, wherein the box body is provided with a stainless steel inner container, an asbestos insulation layer and a high-quality steel plate plastic-sprayed shell in sequence from inside to outside.
9. The Poisulf temperature-controlled viscometer of claim 1, wherein the cover plate is made of heat-insulating material, and two stainless steel pipes extending out of the circulating heating device are connected by a transparent soft rubber pipe to form a U-shaped water circulating pipe.
10. The poiseuille temperature-controlled viscometer of claim 5 in which the temperature-controlled liquid is distilled water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520491436.5U CN204903336U (en) | 2015-07-09 | 2015-07-09 | Poiseuille control by temperature change viscosity apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520491436.5U CN204903336U (en) | 2015-07-09 | 2015-07-09 | Poiseuille control by temperature change viscosity apparatus |
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| CN204903336U true CN204903336U (en) | 2015-12-23 |
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| CN201520491436.5U Expired - Fee Related CN204903336U (en) | 2015-07-09 | 2015-07-09 | Poiseuille control by temperature change viscosity apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651650A (en) * | 2016-02-23 | 2016-06-08 | 黄剑滨 | Glue flowability testing device and method |
| RU2796330C1 (en) * | 2022-06-01 | 2023-05-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования Санкт-Петербургский государственный университет промышленных технологий и дизайна | Method for determining glass viscosity |
-
2015
- 2015-07-09 CN CN201520491436.5U patent/CN204903336U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651650A (en) * | 2016-02-23 | 2016-06-08 | 黄剑滨 | Glue flowability testing device and method |
| RU2796330C1 (en) * | 2022-06-01 | 2023-05-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования Санкт-Петербургский государственный университет промышленных технологий и дизайна | Method for determining glass viscosity |
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