A device for measuring animal and vegetable oil

Abstract

The invention discloses a device for measuring animal and plant oil. The device comprises an extracting device, a separating device, an adsorption device, a detection device and an output display device connected with the detection device. A water sample to be measured enters the extracting device from a solvent metering pump to be stirred and extracted; then the water sample to be measured enters the separating device so that an inorganic phase and an organic phase can be separated, the separated organic phase enters the detection device, and the total oil concentration is detected; the detected organic phase enters the adsorption device, the adsorption device adsorbs animal and plant oil in the organic phase, and liquid flowing out of the adsorption device only contains petroleum type substances; finally, the petroleum type substances enter the detection device to be detected. The difference of the total oil concentration and the concentration of the petroleum type substances is the concentration of the animal and plant oil. In constant batched analysis of oil type substances in water, concentration data of total oil and the petroleum type substances can be obtained while the animal and plant oil is measured. The device is simple in structure, capable of achieving automatic sample feeding and high in accuracy of a detection result, and a magnesium silicate adsorption column in the adsorption device can be repeatedly used.

Description

technical field [0001] The invention relates to a water quality analysis and monitoring device, in particular to a device capable of measuring the concentration data of total oil, animal and vegetable oil, and petroleum, and belongs to the field of chemical analysis test instruments. Background technique [0002] The traditional method of measuring oily substances in water is to use 25ml extractant for manual extraction. The steps of this method are: 1) Add the collected water sample and extractant to the separatory funnel; 2) Close the separatory funnel tightly. Valve and tighten the plug; 3) Shake and oscillate by hand to fully dissolve the oily substances in the water into the extractant; 4) Stand and separate after the oscillation is completed. Since water and extractant are two mutually incompatible liquids, and the extractant is an organic solvent, its density is higher than that of water, the solution after standing and separating will be divided into upper and lower ...

AI Technical Summary

Problems solved by technology

However, after the sample in the traditional measurement method is adsorbed by magnesium silicate, the remaining sample volume is too small, so that the concentration of petroleum in the sample cannot be measured, and the concentration of animal and vegetable oil in the sample cannot be obtained.

On the other hand, manual detection is not only slow in measurement speed, but also has detection errors

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