Constant-temperature device for measuring liquid viscosity

A constant temperature device and liquid viscosity technology, which is applied in the direction of measuring devices, flow characteristics, instruments, etc., can solve the problems of inaccurate and constant data, and the inability to effectively control the temperature of the measured sample, so as to ensure accuracy, maintain connection, and facilitate access. put the effect

Inactive Publication Date: 2012-06-27
CHONGQING POLYCOMP INT
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the commonly used viscometer cannot effectively control the temperature of the tested sample during the test, and cannot keep the temperature of the tested sample relatively constant during the test, so the obtained data is inaccurate and cannot meet the actual needs

Method used

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  • Constant-temperature device for measuring liquid viscosity
  • Constant-temperature device for measuring liquid viscosity

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Embodiment Construction

[0019] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0020] A constant temperature device for testing the viscosity of a liquid, comprising a sample measuring cup and a constant temperature water bath, the constant temperature water bath includes a bath and a circulation pump connected to the bath through a pipeline to circulate the liquid in the bath, the bath of the constant temperature water bath has a water outlet and water inlet; such as figure 1 As shown, it is a schematic structural diagram of the sample measuring cup in the constant temperature device of the present invention. The sample measuring cup includes an inner cylinder 5 and an outer cylinder 2 coaxially set. The inner cylinder 5 is used to hold the liquid sample to be measured. The outer cylinder of the sample measuring cup 2 has an outlet pipe 1 and an inlet pipe 3 respectively, the inlet pipe 3 of the sample measuring cup is c...

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Abstract

The invention provides a constant-temperature device for measuring liquid viscosity. The constant-temperature device for testing liquid viscosity can effectively control a temperature of a sample needing to be tested in liquid viscosity measurement, and guarantee the accuracy of measured data. The constant-temperature device for testing liquid viscosity comprises a sample measuring cup and a constant-temperature water bath. The constant-temperature water bath comprises a bath tank and a circulating pump which is connected to the bath tank through a pipe and is utilized for driving a liquid in the bath tank to flow circularly. The bath tank of the constant-temperature water bath is provided with a water inlet and a water outlet. The sample measuring cup comprises an inner cylinder and an outer cylinder, wherein the outer cylinder is coaxially sleeved on the inner cylinder. The inner cylinder is utilized for loading a liquid sample. The outer cylinder is provided with a water outlet pipe and a water inlet pipe. The water inlet pipe is connected to the water outlet of the constant-temperature water bath. The water outlet pipe is connected to the water inlet of the constant-temperature water bath. An interlayer space between the inner cylinder and the outer cylinder forms a constant temperature layer. The constant temperature layer is communicated with the bath tank of the constant-temperature water bath by the water outlet pipe and the water inlet pipe.

Description

technical field [0001] The invention relates to the technical field of liquid viscosity testing, in particular to a constant temperature device for testing liquid viscosity. Background technique [0002] When the liquid is flowing, the property of internal friction between its molecules is called the viscosity of the liquid. The viscosity is expressed by viscosity, which is used to characterize the resistance factor related to the properties of the liquid. Viscosity is divided into dynamic viscosity, kinematic viscosity and conditional viscosity. Viscosity is a property of a fluid. Different fluids have different viscosity values. The viscosity of the same fluid is significantly related to temperature. The viscosity of a liquid will decrease as the temperature increases. [0003] The viscosity data of various liquids are mainly measured by experiments. The commonly used viscometers currently used to test the viscosity of liquids are Brookfield viscometers or rotary viscome...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N11/14
Inventor 陈晓燕
Owner CHONGQING POLYCOMP INT
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