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Liquid detection device

A detection device and liquid technology, applied in the direction of measuring devices, fuel oil testing, material inspection products, etc., can solve the problems of low liquid detection accuracy and the inability to obtain quantitative values ​​of natural gas, and achieve the effect of improving accuracy

Pending Publication Date: 2022-08-05
PETROCHINA CO LTD
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Problems solved by technology

Since the water dew point and hydrocarbon dew point can only detect whether liquid water and liquid hydrocarbons appear in natural gas, however, when the liquid content in natural gas is small, the quantitative value of liquid in natural gas cannot be obtained, resulting in low detection accuracy for liquid in natural gas

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Embodiment Construction

[0084] In order to make the objectives, technical solutions and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0085] The terms "first", "second", "third" and "fourth" in the description and claims of the present application and the drawings are used to distinguish different objects, rather than to describe a specific order . Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally also includes For other steps or units inherent to these processes, methods, products or devices.

[0086] The embodiment of the present application provides a liquid detection device, see figur...

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Abstract

The invention provides a liquid detection device, and belongs to the technical field of natural gas detection. The device comprises a separation barrel, a cooling assembly and measuring equipment, one end of the cooling assembly is used for being communicated with a long-distance pipeline, and the other end of the cooling assembly is communicated with the upper end of the separation barrel. The bottom of the separation barrel is communicated with the measuring equipment; the cooling assembly is used for introducing natural gas in the long-distance pipeline, so that liquid is separated out of the natural gas, and the gas-liquid mixed natural gas is discharged to the separation barrel; the separation barrel is used for discharging gas in the natural gas from the top of the separation barrel and discharging liquid in the natural gas to the measuring equipment; and the measuring equipment is used for detecting the quality of the liquid. By means of the device, quality detection of the liquid separated out of the natural gas can be achieved, then the quantitative value of the liquid in the natural gas can be obtained, and therefore the accuracy of detection of the liquid in the natural gas is improved.

Description

technical field [0001] The present application relates to the technical field of natural gas detection, and in particular, to a liquid detection device. Background technique [0002] The natural gas long-distance pipeline is used to transport natural gas over long distances, and the natural gas enters the long-distance pipeline from the intake point of the long-distance pipeline. The national standard stipulates that "under the pressure and temperature of the inlet point of the long-distance natural gas pipeline, there should be no liquid water and liquid hydrocarbons in the pipeline", that is, under the pressure and temperature environment of the inlet point, the natural gas entering the pipeline should not exist in the pipeline. Liquid, but even if the natural gas meets the requirements at the intake point, during the long-distance transportation of natural gas, with the reduction of the temperature and pressure of the long-distance pipeline, the natural gas will enter the...

Claims

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Application Information

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IPC IPC(8): G01N25/14G01N33/22
CPCG01N25/142G01N33/225
Inventor 张镨周理孙晓艳鲁春
Owner PETROCHINA CO LTD
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