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Quick petroleum hydrocarbon distribution analysis instrument

A petroleum hydrocarbon and analyzer technology, applied in the field of analytical instruments, can solve the problems of low resolution, low analysis speed, chromatographic column contamination, etc., and achieve the effect of improving resolution and fast analysis speed

Inactive Publication Date: 2003-10-22
中国石油天然气总公司石油勘探开发科学研究院
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Problems solved by technology

However, because it uses an ordinary high-pressure gas system and heating system, its analysis speed is still low; at the same time, it is a general-purpose instrument widely used in various fields such as petroleum, petrochemical, environmental protection, medicine, forensic medicine, chemical industry and agriculture. If this instrument is used to analyze crude oil and other oil samples, the chromatographic column will often be polluted, blocked, damaged, and the analysis speed is slow and the resolution is low.

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Embodiment Construction

[0017] See Figure 1. Fig. 1 is the flowchart of the rapid petroleum hydrocarbon distribution analyzer of the present invention. Put the sample into the dual-stage filter split sampler, and the high-voltage electronic program boost system boosts the pressure of the dual-stage filter split sampler, and most of the filtered samples flow out from the split outlet of the electronic flow control valve; the other small part enters the fast The quartz capillary chromatographic column heated by the temperature program heating system is separated; after being detected by the hydrogen flame ionization detector, the data is input to the data processing system for processing.

[0018] See Figure 2. The quick petroleum hydrocarbon distribution analyzer of the present invention, it is connected with gas source outside instrument housing and is 15MPa high-pressure steel cylinder 1, and high-purity gas N is housed in high-pressure steel cylinder 1 2 or H e . When crude oil is used for samp...

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Abstract

The invention is a quick distribution analyzer of petroleum hydrocarbon, including high-voltage electronic program step-up system with the pressure 0.2-1.0 MPa and the pressure programmed speed, 0.01-0.1 MPa / m, double-level filtering and diffluent sample-entering device, quartz capillary chromatogram column with the mixed stationary phase of SE-54 OV-1 in the inner wall, the proportion 1:(1-4) according to the weight shares, quick temperature programmed system with the temperature-increasing speed 20-60 deg.C / m, detector and the data processing system with the distribution of petroleum hydrocarbon and boiling-range distribution software system. The analyzer has quick speed and high resolution, and can be widely used in the fields such as oil, petrifaction, environmental protection and chemical industry.

Description

technical field [0001] The present invention generally relates to an analysis instrument, in particular to a fast petroleum hydrocarbon distribution analyzer dedicated to various oil products such as crude oil. Background technique [0002] Gas chromatograph is an instrument among analytical instruments, which is mainly used for the separation and analysis of volatile organic compounds with boiling points below 700 °C and the analysis of inorganic and organic gas mixtures. The name is "High Pressure Fast Gas Chromatograph", and the patent number is "ZL98249058.5", which discloses a gas chromatograph with fast analysis speed and high resolution, which uses a high-pressure gas circuit system and a high-pressure super-resolution chromatographic column , so that the analysis speed increased by 4 to 10 times, and the resolution increased by 4 to 6 times, thus greatly saving the analysis time and improving the resolution ability. However, because it uses an ordinary high-pressure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/02
Inventor 武杰
Owner 中国石油天然气总公司石油勘探开发科学研究院
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