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a viscometer

A viscometer and measuring head technology, applied in instruments, scientific instruments, flow characteristics, etc., can solve the problem of inability to measure the viscosity of molten salt with high temperature and low viscosity, and achieve the effect of avoiding corrosiveness

Active Publication Date: 2018-03-30
SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] In order to solve the problem that the viscosity of high-temperature and low-viscosity molten salt cannot be measured in the above-mentioned prior art, the present invention aims to provide a viscometer that can measure the viscosity between 1-50cP and the temperature at 100-1000°C. Viscosity measurement of fluids between

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Embodiment Construction

[0030] Below in conjunction with the drawings, preferred embodiments of the present invention are given and described in detail.

[0031] The viscometer according to the present invention includes a testing device 1 , a heating device 2 and a frame 3 , wherein the testing device 1 and the heating device 2 are both arranged on the frame 3 .

[0032] The test device 1 includes a measuring head 11 , a rotor 12 , a measuring head support 13 , a cover 14 , a platinum wire 15 and a vertical threaded rod 16 . Wherein, the measuring head 11 , the measuring head bracket 13 , the vertical threaded rod 16 and part of the platinum wire 15 are accommodated in the cover body 14 . The specific structure of the measuring head 11 is similar to that of the measuring head of the existing measuring instrument, and will not be repeated here, and only the parts different from the prior art will be described below. The measuring head 11 is supported on the vertical threaded rod 16 by the measuring ...

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Abstract

The invention relates to a viscometer, comprising: a testing device, which includes a measuring head, a rotor, a cover body and a platinum wire, the measuring head and part of the platinum wire are housed in the cover, and the rotor is suspended below the measuring head through the platinum wire; The heating device includes a furnace, a crucible and a mobile platform. The molten salt to be tested is carried in the crucible, the rotor is immersed in the molten salt and coaxially arranged with the center of the crucible, the crucible is set in the furnace, and the top of the furnace is sealed with the cover. , the bottom end of the furnace is sealed and connected with the mobile platform. The viscometer of the present invention connects the measuring head and the rotor through a platinum wire, so that the size of the gap between the rotor and the crucible can be only 0.5-2mm, thereby meeting the viscosity test range of 1-50cP. At the same time, the invention uses the length of the platinum wire so that the temperature of the heating device will not affect the operation of the measuring device, thereby meeting the requirement of measuring the viscosity of high-temperature and low-viscosity molten salt between 100-1000°C.

Description

technical field [0001] The invention relates to a measuring device, more particularly to a viscometer. Background technique [0002] In order to measure the viscosity of the fluid, people usually use the principle of the rotation method to determine the viscosity of the fluid by measuring the viscous moment of the fluid acting on the rotor or the rotational speed of the rotor. The existing viscometer mainly includes a testing device and a heating device. The testing device is connected to a rotor, and a crucible is arranged in the heating device, and a fluid is carried in the crucible. When one or both of the fluid and the rotor immersed in it rotates, the rotor will be affected by the viscous torque of the fluid to change the original speed and torque, so that the viscosity of the fluid can be directly measured by the viscometer. [0003] Existing viscometers can generally be divided into two categories, one is viscometers designed to meet the detection lower limit require...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N11/14
Inventor 程进辉张鹏安学会唐忠锋黎忠姚思德
Owner SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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