Natural gas flow measuring device for water-containing natural gas transmission pipeline

A flow measurement device and gas pipeline technology, which are applied to the volume/mass flow generated by mechanical effects, and the direction of fluid flow detected by measuring the pressure difference, which can solve the problem of inability to accurately measure the natural gas flow, and achieve accelerated deposition and decline. The effect of accuracy

Pending Publication Date: 2021-01-29
海南毕托巴科技研究院有限公司
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  • Application Information

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Problems solved by technology

[0003] For the natural gas flow measurement in the water-containing natural gas pipeline, because the natural gas contains moistur...

Method used

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  • Natural gas flow measuring device for water-containing natural gas transmission pipeline
  • Natural gas flow measuring device for water-containing natural gas transmission pipeline
  • Natural gas flow measuring device for water-containing natural gas transmission pipeline

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Embodiment Construction

[0018] see figure 1 - Figure 5 , the present invention is used for the natural gas flow measuring device in the water-bearing natural gas pipeline, has measuring tube 100, first differential pressure transmitter 200 and flow totalizer 300, is equipped with Bitoba flow sensor 110 on the measuring tube, Bitoba flow sensor 110, Bitoba The total pressure tube 111 and the static pressure tube 112 of the bar flow sensor are connected to the input end of the first differential pressure transmitter 200, and the signal output end of the first differential pressure transmitter is connected to the signal of the flow totalizer 300. The input end is connected, the left end of the measuring tube 100 is formed with an air inlet 101, and the right end is formed with an exhaust hole 102, and also includes a second differential pressure transmitter 400 for measuring the liquid level of liquefied water in the measuring tube 100, so The top pressure guiding tube 103 and the bottom pressure guid...

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Abstract

The invention discloses a natural gas flow measuring device for a water-containing natural gas transmission pipeline; the natural gas flow measuring device is provided with a measuring pipe, a first differential pressure transmitter, a flow totalizer and a second differential pressure transmitter, wherein the measuring pipe is provided with a Pitotbar flow sensor; a top pressure guide pipe and a bottom pressure guide pipe which are communicated with the interior of the measuring pipe are symmetrically arranged on the top wall and the bottom wall of the measuring pipe, and are connected with the input end of the second differential pressure transmitter; the signal output end of the second differential pressure transmitter is connected with the signal input end of the flow totalizer; an airinlet hole and an air outlet hole at two ends of the measuring pipe are respectively connected with pipeline joints which can be in butt joint with the water-containing natural gas transmission pipeline; the inner diameter of each pipeline joint is equal to that of the water-containing natural gas transmission pipeline, and the inner diameter of the measuring pipe is larger than that of each pipeline joints. After the device is applied, the flow of natural gas in the water-containing natural gas transmission pipeline can be relatively accurately measured.

Description

technical field [0001] The invention relates to a gas flow measuring device used in a gas pipeline, in particular to a natural gas flow measuring device used in a water-containing natural gas pipeline. Background technique [0002] In the prior art, the measuring device for measuring the fluid flow in the pipeline mostly adopts a Bitobar flowmeter, and the structure of the Bitobar flowmeter mainly includes a Bitobar sensor, a differential pressure transmitter and a flow totalizer, and the Bitobar sensor A total pressure conduit and a static pressure conduit are connected to the differential pressure transmitter, and the signal output end of the differential pressure transmitter is connected with the signal input end of the flow totalizer. When the Bitobar flowmeter measures the fluid flow in the pipeline, the Bitoba sensor is inserted vertically into the pipeline, and the differential pressure transmitter converts the total pressure signal and the static pressure signal tran...

Claims

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Application Information

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IPC IPC(8): G01F1/36
CPCG01F1/36
Inventor 王忠辉唐力壮孙丽民蔡潇王超王壑齐丽萍胡瑶
Owner 海南毕托巴科技研究院有限公司
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