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Combined natural gas metering device

A technology of metering device and natural gas, applied in the direction of measurement device, volume measurement, volume/mass flow caused by mechanical effect, etc., can solve the problem of deviation in measurement results, and achieve the effect of reducing impact, reducing impact, and reducing the degree of impact.

Inactive Publication Date: 2019-02-01
四川川油工程技术勘察设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The measurement results of different test locations may be affected by environmental conditions, resulting in deviations in the measurement results. Therefore, it is necessary to improve the accuracy of the measurement results

Method used

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  • Combined natural gas metering device

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Embodiment 1

[0020] Such as figure 1 As shown, a combined natural gas metering device includes a pipeline for natural gas to pass through. In the pipeline, a first delivery pipe section, a second delivery pipeline section 4, a third delivery pipeline section, a fourth delivery pipeline section, The fifth conveying pipe section 5, the sixth conveying pipe section, the first conveying pipe section and the sixth conveying pipe section are all straight pipe sections, the second conveying pipe section 4 is provided with a first speed changer, and the fifth conveying pipe section 5 is provided with a second speed changer , both the first speed changer and the second speed changer are used to reduce the flow rate first and then increase it.

[0021] The first transmission part is hollow columnar, and its inner cavity is divided into one-third, and the front-end third of the gas flow direction is the narrowest part of the inner cavity.

[0022] The second gear is hollow columnar, and its inner ca...

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Abstract

The invention discloses a combined natural gas metering device, comprising a pipeline for the natural gas to pass through. A first transport pipe section, a second transport pipe section, a third transport pipe section, a fourth transport pipe section, a fifth transport pipe section, and a sixth transport pipe section are sequentially arranged in the pipeline according to the natural gas flowing direction. The first transport pipe section and the sixth transport pipe section are straight pipe sections. A first shifting member is disposed in the second transport pipe section. A second shiftingmember is disposed in the fifth transport pipe section. The first shifting member and the second shifting member are both configured to first reduce and then increase a flow rate. By improving the combination of the metering device and improving the number and the sequence of the straight pipe sections and the metering pipe sections, the influence of the pipeline environment on the metering is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of natural gas flow metering, in particular to a combined natural gas metering device. Background technique [0002] Natural gas is a mixture dominated by hydrocarbons. Hydrocarbons in natural gas include methane, ethane, propane, butane, pentane, and hexane. In addition to hydrocarbons, it also contains carbon dioxide. [0003] Natural gas metering has an accuracy problem. The measurement results of different test locations may be affected by environmental conditions, resulting in deviations in the measurement results. Therefore, it is necessary to improve the accuracy of the measurement results. Contents of the invention [0004] The purpose of the present invention is to provide a combined natural gas metering device, which can improve the accuracy of metering results. [0005] The present invention realizes through following technical scheme: [0006] A combined natural gas metering device, includi...

Claims

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Application Information

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IPC IPC(8): G01F1/34G01F15/18
CPCG01F1/34G01F15/185
Inventor 陈康黄玲曾道贵
Owner 四川川油工程技术勘察设计有限公司
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