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Emulsion concentration on-line detection method based on density variation

A technology of density difference and detection method, used in measuring devices, specific gravity measurement, instruments, etc., can solve the problems of too large deviation of measurement results, inconvenient cleaning of measurement lenses, etc., and achieve good long-term stability, high measurement accuracy, and measurement repeatability. Good results

Inactive Publication Date: 2014-07-09
BEIJING TIANMA INTELLIGENT CONTROL TECH CO LTD
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Problems solved by technology

However, when this type of product is used in the downhole, it is generally encountered that the measurement lens is not easy to clean. When the product is used for a long time due to the saponification of the emulsion and the deposition of precipitates on the measurement prism, the deviation of the measurement result is too large, which cannot meet the problem of field application.

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  • Emulsion concentration on-line detection method based on density variation
  • Emulsion concentration on-line detection method based on density variation
  • Emulsion concentration on-line detection method based on density variation

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings. as attached image 3 As shown, an on-line detection device for emulsion concentration based on density difference, including: a density detection module, a temperature detection module, a central main control board, and a data communication interface.

[0024] Wherein the density detection module adopts the model L-Dens312OEM module of Austria Anton Paar (Anton Paar) company, and it adopts U-tube oscillation method to measure liquid density. The unit given is g / cm 3 The liquid density value contains 4 significant figures after the decimal point.

[0025] Among them, the temperature detection module is realized by the Pt100 platinum resistance temperature sensor built in the L-Dens312OEM module.

[0026] Among them, the central main control board adopts the embedded system with LPC1758 as the core. It connects the density detection module through the serial ...

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Abstract

The invention relates to an emulsion concentration on-line detection method based on density variation, which comprises the following steps: 1)determining a standard curve; 2)detecting the density of an emulsion to be measured; 3)detecting the temperature of the emulsion to be measured; 4)resolving the concentration of the emulsion, and compensating temperature; and 5) performing data communication and publishing the measure result. The emulsion concentration on-line detection method has the advantages that the measure precision is high, the measure repeatability is good, and influence due to temperature is little, by employing a flow measure method that an emulsion is flowed through a sensor, the problem that large deviation of the result due to lens pollution by a refractometry method is not existed, and the long-term stability of the on-line detection method is better.

Description

technical field [0001] The invention relates to an on-line detection method for the concentration of an emulsion, in particular to an on-line detection method for the concentration of an emulsion used in a coal mine hydraulic support. Background technique [0002] Emulsion is a kind of mixed liquid formed by mixing emulsified oil or concentrated liquid with water, and the water molecules around the oil molecules are wrapped in groups and suspended in water. As the working medium of the hydraulic system, the parameters of the emulsion, especially the concentration, have a great impact on the performance of the system. If the concentration is too high, it will easily lead to seal failure and emulsion leakage. If the concentration is too low, it will easily lead to a decrease in corrosion resistance, corrosion of hydraulic components, and eventually lead to system failure. Therefore, the online detection and control of the emulsion concentration has become increasingly importa...

Claims

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Application Information

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IPC IPC(8): G01N9/36
Inventor 李森郭卓越邱成鹏
Owner BEIJING TIANMA INTELLIGENT CONTROL TECH CO LTD
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