Crude oil freezing point measurement device and its measurement method based on ultrasonic technology
A technology of ultrasonic technology and measuring device, which is applied in measuring device, material analysis using sound wave/ultrasonic wave/infrasonic wave, instrument, etc. It can solve the problem that it is not easy to observe whether the sample is solidified, it is impossible to accurately control the pouring amount, and the error of measurement result increases and other problems, to achieve the effect of simple and convenient measurement process, compact structure and improved accuracy
Inactive Publication Date: 2016-08-31
NORTHEAST GASOLINEEUM UNIV
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Problems solved by technology
There are the following disadvantages in this experiment process: ① During the sample loading process, the sample may hang on the wall, and it will not be easy to tilt the test tube to observe whether the sample is solidified; ② When adding the sample to be tested, the pouring amount cannot be accurately controlled
③ It is necessary to take out the freezing point test tube to the ambient temperature to observe whether the sample is solidified, which increases the thermal history of the oil sample and increases the error of the measurement result
④The experiment is manual operation, and the error of human operation is large
Method used
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[0032] Below in conjunction with accompanying drawing, the present invention will be further described:
[0033] Such as figure 1 As shown, this novel crude oil freezing point measuring device includes three identical ultrasonic transmitting-receiving and processing devices 4, three identical ultrasonic single probes 19, a box body 5, a liquid tank 7, a shockproof and noise-isolated box 21, and a freezing point Test tube 14, freezing point test tube tank 13, sample adding device without wall, rotating drive device, heating-cooling liquid circulator 1, terminal control system 22 (ultrasonic control module, temperature processing module, motor control module are installed in the terminal control system 22 Module, circulator control module, electric heating belt temperature control module and other application modules), including liquid tank 7, ultrasonic emission-receiving and processing device 4, terminal control system 22, shockproof and noise-isolated box 21, rotary drive dev...
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The invention relates to a crude oil condensation point measurement device based on an ultrasonic technology and a measurement method adopting the crude oil condensation point measurement device. The crude oil condensation point measurement device based on the ultrasonic technology comprises ultrasonic transmitting, receiving and processing devices, ultrasonic single probes, a condensation point test tube, a wall-hanging-avoiding sample adding device and a terminal control system, wherein the wall-hanging-avoiding sample adding device, the three ultrasonic transmitting, receiving and processing devices and the terminal control system are arranged in a box body; the three ultrasonic transmitting, receiving and processing devices are connected with the terminal control system respectively; the three ultrasonic single probes are connected with the corresponding ultrasonic transmitting, receiving and processing devices respectively and are arranged on one side of the condensation point test tube in the rotating direction, the ultrasonic single probe in the middle is located in the oil product sample loading scale of the condensation point test tube, and the other two probes are tangent to the probe in the middle; temperature sensors are arranged in the condensation point test tube and the liquid box; a rotational driving device and the temperature sensors are connected with the terminal control system respectively. The precision of a measurement result is improved.
Description
technical field [0001] The invention relates to the technology for measuring the freezing point of petroleum and petroleum products, in particular to a device for measuring the freezing point of crude oil based on ultrasonic technology and a measuring method thereof. Background technique [0002] The freezing point is an important indicator of petroleum products, and the measurement of the freezing point is of great significance to the use, storage and transportation of petroleum products. Condensation point is one of the main basic physical parameters for the design and calculation of petroleum and petroleum product pipeline transportation. The accuracy of its measurement is not only related to the energy saving and consumption reduction of petroleum product storage and transportation, but also an important basis parameter for its flow safety guarantee. [0003] When using the existing petroleum freezing point measuring instrument to measure the freezing point of crude oil,...
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IPC IPC(8): G01N25/04G01N29/032G01N29/22
CPCG01N25/04G01N29/032G01N29/22G01N2291/015G01N2291/0226G01N2291/0253
Inventor 国丽萍赵晓东刘斌柏明星成庆林时爽
Owner NORTHEAST GASOLINEEUM UNIV