A fully automatic Ubbelohde viscometer and its measuring method

An Ubbelohde viscometer, fully automatic technology, applied in the direction of DC flow characteristics measurement, etc., can solve the problems of large measurement error, waste of reagents, inconvenient cleaning, etc., and achieve the effects of long service life, resource and cost saving, and convenient cleaning

Active Publication Date: 2020-05-29
杭州震越科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the disadvantages of inconvenient cleaning, large measurement errors, and waste of reagents in the prior art, the present invention provides a fully automatic Ubbelohde viscometer with convenient sample introduction, easy cleaning, and accurate measurement, as well as a measurement method

Method used

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  • A fully automatic Ubbelohde viscometer and its measuring method
  • A fully automatic Ubbelohde viscometer and its measuring method

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Embodiment 1

[0040] Such as figure 1 and figure 2As shown, a fully automatic Ubbelohde viscometer includes an installation box 20 and an Ubbelohde viscometer installed in the installation box 20, and the installation box 20 is a constant temperature box. Including the pumping liquid pipe 3 and the measuring tube 2, the bottom of the pumping liquid pipe 3 is connected with the lower liquid storage ball 6, the bottom of the lower liquid storage ball 6 is connected with the liquid inlet and discharge pipe 7 directly inserted into the sample bottle, and the measuring tube 2 The bottom communicates with the bottom of the lower liquid storage ball 6; one side of the measuring tube 2 is connected with an emptying tube 1 . In order to further explain the structure of the liquid inlet and outlet pipe 7, the liquid inlet and outlet pipe 7 is provided with an inlet and outlet channel 71, and the inlet and outlet channel 71 is directly inserted into the sample bottle.

[0041] The measuring tube 2 ...

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PUM

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Abstract

The invention relates to the field of viscometers, and discloses a fully-automatic Ubbelohde viscometer and a measurement method. The fully-automatic Ubbelohde viscometer comprises an installation box(20) and an Ubbelohde viscometer installed in the installation box (20), wherein the Ubbelohde viscometer comprises a liquid sucking and discharging pipe (3) and a measurement pipe (2), a lower liquid storage ball (6) is connected below the liquid sucking and discharging pipe (3), a liquid inlet and discharge pipe (7) directly inserted into a sample bottle is communicated below the lower liquid storage ball (6), the bottom portion of the measurement pipe (2) is communicated to the bottom portion of the lower liquid storage ball (6), one side of the measurement pipe (2) is connected to an emptying pipe (1), the opening of the liquid sucking and discharging pipe (3) is connected to a liquid sucking device (30) and a liquid pushing device (31), the measurement pipe (2) is connected to a first opening / closing device (32) for controlling the sealing of the opening of the measurement pipe (2), and the emptying pipe (1) is connected to a second first opening / closing device (33) for controlling the sealing of the opening of the emptying pipe (1). According to the present invention, the fully-automatic Ubbelohde viscometer has advantages of high automation degree, high liquid recovery rate, resource saving, convenient cleaning and the like.

Description

technical field [0001] The invention relates to the field of viscometers, in particular to a fully automatic Ubbelohde viscometer and a measuring method. Background technique [0002] The Ubbelohde viscometer is mainly used to measure the kinematic viscosity of the liquid. It is a gravity-type capillary viscometer. Compared with the gravity viscometer, it has an additional vent tube and a suspended liquid column ball, which forms a suspended liquid column during measurement, so it is not affected by the amount of liquid added and the liquid level in the liquid storage ball. The test accuracy is better than other gravity viscometers. The high viscosity meter (manual measurement can reach 0.1%) has been widely used. However, the three nozzles of the traditional Ubbelohde viscometer are all upward, and the sample needs to be added from the upper part, and the liquid is discharged from the upper part. When the waste liquid is discharged, it will pollute the entire area of ​​th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N11/06
CPCG01N11/06
Inventor 王震库
Owner 杭州震越科技有限公司
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