Alcohol specific gravity measuring device

A measuring instrument, alcohol technology, applied in the field of hydrometer, can solve the problems of high price and unsuitable for on-line detection use occasions, etc.

Inactive Publication Date: 2016-03-02
QUFU NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] At present, the liquid hydrometers on the market are all desktop devices, and they are expensive, so they are not suitable for online detection applications.

Method used

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Embodiment Construction

[0019] In order to facilitate a further understanding of the structure and achieved effects of the invention, the preferred embodiments are described in detail below in conjunction with the accompanying drawings.

[0020] Such as figure 1 As shown, the alcohol specific gravity measuring instrument of the present invention includes a glass hydrometer 3, a grating scale sensor (referred to as a grating scale) for measuring the vertical floating distance of the glass hydrometer 3 in the liquid to be measured, and a measurement device connected to the grating scale sensor. and control system, the measurement and control system is used to measure and control the concentration of alcohol or isopropanol in the liquid to be tested.

[0021] The grating ruler sensor among the present invention comprises the grating bar 2 that is arranged on the glass hydrometer and is used for measuring the photoelectric element 1 of grating bar 2 floating distance up and down, and this glass hydromete...

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Abstract

The invention discloses an alcohol specific gravity measuring device. The alcohol specific gravity measuring device comprises a glass hydrometer, a grating ruler sensor used for measuring up and down floating distance of the glass hydrometer in a liquid to be measured, and a measuring and controlling system connected with the grating ruler sensor; and the measuring and controlling system is used for measuring and controlling the concentration of alcohol or isopropanol in the liquid to be measured. The alcohol specific gravity measuring device can be applied to high grade printing to control alcohol specific gravity to be 3 to 5%, and 3% preferably, and can be applied to liquid density measuring in a plurality of industries.

Description

technical field [0001] The invention relates to a hydrometer, in particular to an alcohol specific gravity measuring instrument capable of accurately measuring the alcohol concentration in a liquid to be tested. Background technique [0002] At present, about 10% alcohol or isopropanol is used in lithographic offset printing operations. Alcohol or isopropanol can reduce the tension of the dampening solution and make the water film spread quickly. Another feature of it is that the dynamic and static tension gap is extremely large. small. Tension is divided into static tension and dynamic tension. For example, bucket liquid uses dynamic tension. It is convenient but difficult to choose the active agent for wetting. There are thousands of active agents, most of which can reduce the tension. For some active agents, the static tension and dynamic tension of the same active agent are very different. Static tension It is 39, and the dynamic tension may be 50, so it is not suitabl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N9/14G05D11/13
Inventor 曹仁祥黎积有董良才钟辉
Owner QUFU NORMAL UNIV
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