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Digital oil water demarcation face height measurement sensor

A technology of height measurement and sensor, which is applied in the direction of buoy liquid level indicator, etc., to achieve the effect of low cost

Inactive Publication Date: 2014-01-01
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the entire measurement system, if the sensor can directly output digital signals, there is no need for the intermediate link of analog / digital conversion, so the digitalization of sensor technology is an inevitable development trend. The output of digital sensors is pulse signals, not only does not require intermediate conversion circuits, but also The anti-interference ability is very strong, which is relatively good for improving the measurement accuracy, because the conversion efficiency of any intermediate link cannot reach 100%

Method used

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  • Digital oil water demarcation face height measurement sensor
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Experimental program
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Effect test

Embodiment approach 1

[0053]Application of a digital oil-water interface height measuring sensor of the present invention on an oil storage tank:

[0054] Float parameter setting:

[0055] The buoy is welded into a hollow cylinder with steel pipes. The purpose is to adjust the weight of the buoy so that the tension spring 3 works in the linear region of its elastic coefficient. When adjusting the weight of the buoy, unscrew the plug 6 and feed the buoy through the hole according to the required weight. Inject a certain amount of water, tighten the plug 6 after the water injection is completed, get the weight of the buoy 14.5kg, the length of the buoy 150cm, the diameter of the buoy 10cm, the wall thickness of the buoy 0.4cm, and the maximum water injection of the buoy 9.9kg.

[0056] Transmitter parameter setting:

[0057] (see attached figure 2 ) Select an integrated circuit model of SN74LS04 six-inverter ordinary integrated chip (only two invertors G1 and G2 are used), select a capacitor C1=C2...

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Abstract

The invention provides a digital oil water demarcation face height measurement sensor, and belongs to the technical field of measuring. The digital oil water demarcation face height measurement sensor is characterized in that a sensor special for measuring the height of the demarcation face of the oil and water level in an oil storage tank is provided, the entire sensor is composed of a traction mechanism, a displacement sensing unit, a float bowl and a transmitter 8, and is mainly applied to oil storage tanks of an oil refinery, a grease factory and an oil storage depot. A measuring range is the length L of the bowl body of the float bowel. The upper limit of the measuring range can not be higher than the top of the bowl body 1 of the float bowl, and the lower limit of the measuring range can not be lower than the bottom of the bowl body 1 of the float bowl. The top of the bowl body 1 of the float bowl has to be lower than the liquid level height of upper layer oil, and the float bowl is always in a submerged state. The digital oil water demarcation face height measurement sensor has the advantages that digital pulse signals are output directly, the measuring precision is high, the anti-interference capacity is strong, and the manufacturing cost is low.

Description

technical field [0001] The invention relates to a digital oil-water interface height measuring sensor, which belongs to the field of measurement technology, and particularly relates to a special sensor for measuring the height of the interface between oil and water level in an oil storage tank, which is mainly used in oil refineries, oil factories and oil storage depots. on the tank. Background technique [0002] During the processing, transportation and storage of petroleum products and edible oil, moisture will inevitably appear. Due to the insolubility between oil and water and the large difference in density, stratification is easy to occur under static conditions. Light oil The product is on the top and the heavy water is on the bottom, forming a boundary between oil and water in the oil storage tank. [0003] In the production process, it is necessary to know the actual storage quantity of oil in each oil storage tank, and it is necessary to measure the liquid level o...

Claims

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Application Information

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IPC IPC(8): G01F23/62
Inventor 乔学工徐致亚薛保平梁丽萍王华倩
Owner TAIYUAN UNIV OF TECH
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