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Device and method for rapidly detecting swill-cooked dirty oil

A detection device and technology for waste oil, which are applied in transmittance measurement and other directions, can solve the problems of long detection period and difficult quantitative detection, and achieve the effect of improving detection precision and accuracy.

Inactive Publication Date: 2011-11-23
JINAN UNIVERSITY
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  • Abstract
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Problems solved by technology

The shortcomings of existing detection methods are: quantitative detection is relatively difficult, and the detection cycle is long

Method used

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  • Device and method for rapidly detecting swill-cooked dirty oil
  • Device and method for rapidly detecting swill-cooked dirty oil
  • Device and method for rapidly detecting swill-cooked dirty oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0025] device such as figure 1 As shown, the side-polished fiber optic sensor 1 is as image 3 shown. The light source 4 is a laser light source with a wavelength of 1310 nm.

[0026] Before the operation of the device, a calibration model was established to collect oils with different doping ratios. The proportion of waste oil mixed with the configuration is C 1 、C 2 、…C n samples, measure their optical power attenuation before and after covering the sensor, and calculate it as ΔP 1 , ΔP 2 ,...ΔP n . Use linear and nonlinear modeling methods to obtain the functional relationship between the oil concentration C and the optical power attenuation value P after the oil passes through the sensor, C=f(ΔP), such as Figure 4 shown.

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Abstract

The invention relates to the swill-cooked dirty oil detection technology and discloses a device and method for rapidly detecting swill-cooked dirty oil. The device comprises a side-polished fiber optic sensor, a control module and a display module, wherein the two ends of the side-polished fiber optic sensor are respectively connected to a light source and a light power meter; the light source is controlled by the control module; the light power meter is connected with the control module; and the display module is connected with the control module. The device and the method have the following advantages: the light attenuation data of the swill-cooked dirty oil can be rapidly obtained by the side-polished fiber optic sensor and the swill-cooked dirty oil can be accurately distinguished from the edible vegetable oil through analyzing the attenuated light, thus improving the detection accuracy.

Description

technical field [0001] The invention relates to a waste oil identification and detection technology, and relates to a waste oil rapid detection device and detection method based on a side-polished optical fiber sensor. Background technique [0002] Waste oil (slightly watery oil and swill oil) is a non-edible oil with extremely poor quality and hygiene, peroxide value, acid value, moisture, carbonyl value, malondialdehyde, and aflatoxin B1. Waste oil is collected by oil traps, and then refined through dehydration, deslagging, decolorization and deodorization. It contains many toxic and harmful substances, but some unscrupulous traders add waste oil to cooking oil under the temptation of profit. posed a serious threat to people's health. At present, the identification and detection methods of waste oil mainly include moisture content determination method, acid value determination method, cholesterol content determination method, near infrared spectroscopy, electrical conduct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/59
Inventor 陈哲张军李斯本谢梦圆汪勇欧仕益马顺
Owner JINAN UNIVERSITY
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