A device and method for measuring trace carbon isotopes and heavy components in natural gas
A carbon isotope and natural gas technology, which is applied in the field of devices for measuring trace carbon isotopes and heavy components in natural gas, can solve the problems of inaccurate detection results of heavy components, complicated detection process, and low carbon isotope content that cannot be measured, so as to avoid evaporation loss , accurate measurement, and simplified operation
Active Publication Date: 2021-09-21
SOUTHWEST PETROLEUM UNIV
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Problems solved by technology
[0005] The purpose of the present invention is to provide a device for measuring trace carbon isotopes and heavy components in natural gas to solve the problem of inaccurate detection of heavy components and inaccurate detection results due to low carbon isotope content when measuring natural gas components in the prior art technical issues
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Embodiment 1
[0070] Such as figure 1 Shown:
[0071] The present invention provides a device for measuring trace carbon isotopes and heavy components in natural gas, comprising a gas cylinder 1, an intermediate container 4, a buffer device 14, a flow meter 5 for measuring gas flow, and a gas component detection device 6 connected sequentially through pipelines ;in,
[0072] The outside of the intermediate container 4 is provided with a temperature control device 3 for regulating the temperature of the intermediate container 4;
[0073] The intermediate container 4 is connected with a pressure control device to maintain a constant internal pressure;
[0074] Both the intermediate container 4 and the buffer device 14 are connected with a vacuum pump 8 .
[0075] The device for measuring trace carbon isotopes and heavy components in natural gas provided by the present invention, when measuring trace carbon isotopes and heavy components in natural gas, after the natural gas is injected into...
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The invention discloses a device and method for measuring trace carbon isotopes and heavy components in natural gas, which solves the problem of inaccurate detection results of heavy components and inaccurate detection results of heavy components when measuring natural gas components in the prior art. technical problems. The device includes a gas cylinder (1), an intermediate container (4), a buffer device (14), a flow meter (5) for measuring gas flow and a gas chromatograph connected in sequence through pipelines; wherein, the intermediate container (4 ) is provided with a temperature control device (3) for regulating the temperature of the intermediate container (4); the intermediate container (4) is connected with a pressure control device for maintaining a constant internal pressure; the intermediate container (4) and the buffer device (14) are connected with a vacuum pump (8). The invention avoids the evaporation loss of the condensed liquid in the transfer process, simplifies the operation, and can more accurately measure the trace carbon isotopes and heavy components in the natural gas.
Description
technical field [0001] The invention belongs to the technical field of natural gas physical property testing, and in particular relates to a device and method for measuring trace carbon isotopes and heavy components in natural gas. Background technique [0002] As an important energy source, natural gas occupies an important strategic position in my country's economic development. The use of natural gas as energy can reduce the consumption of coal and petroleum, reduce the emission of sulfur dioxide, carbon dioxide, dust and nitrogen oxides, effectively prevent the formation of acid rain, slow down the greenhouse effect, and fundamentally improve the quality of the environment. Natural gas is a mixed gas existing in underground rock reservoirs, mainly composed of methane, ethane and other hydrocarbons. Knowing the isotopic composition of alkane in natural gas can help judge the alkane content and burial depth in natural gas, the origin and maturity of natural gas, etc.; bec...
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IPC IPC(8): G01N1/28G01N1/42G01N1/44G01N27/62G01N30/02G01N7/00G01N7/16
CPCG01N1/28G01N1/42G01N1/44G01N7/00G01N7/16G01N27/62G01N30/02
Inventor 刘建仪李杰柯文果余凡
Owner SOUTHWEST PETROLEUM UNIV