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Rectangular needle tube flowmeter

A flowmeter and moment needle technology, applied in the field of flowmeters, can solve problems such as blockage of flowmeter pipelines, and achieve the effects of ensuring pipelines, stable pressure taking, and improving anti-blocking performance.

Active Publication Date: 2016-07-20
承德菲时博特自动化设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to propose a rectangular needle tube flowmeter, which can solve the problem that the pipeline of the flowmeter is blocked

Method used

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0024] The present invention provides a moment needle tube flowmeter, such as Figure 1-3 As shown, the flowmeter includes a sleeve 1, and two pressure guide tubes 2 are connected to the top of the sleeve 1, and the pressure guide tube 2 is also connected to a differential pressure transmitter 3; specifically, the pressure guide tube and the differential pressure A valve group 11 is also arranged between the transmitters 3; the valve group 11 includes two shut-off valves and a balance valve. The casing 1 is pierced with a high-pressure pressure taking pipe 4 and a low-pressure pressure taking pipe 5; the high-pressure pressure taking pipe 4 and the low-pressure pressure taking pipe 5 are ...

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Abstract

The invention relates to the technical field of a flowmeter, in particular to a rectangular needle tube flowmeter. The rectangular needle tube flowmeter comprises a sleeve, wherein the top of the sleeve is connected with two pressure guide tubes; the pressure guide tubes are also connected with a differential pressure transmitter; a high pressure taking tube and a low pressure taking tube are arranged in the sleeve in a penetrating way; the high pressure taking tube and the low pressure taking tube are communicated with the pressure guide tubes; the bottom of the sleeve is provided with a detecting tube; the bottom of the detecting tube is connected with a probe; the high pressure taking tube and the low pressure taking tube pass through the detecting tube and are communicated with the probe; the probe is of a V-shaped structure. The rectangular needle tube flowmeter has the advantages that the probe is arranged into a V-shaped structure; the incident flow side of the probe is a liquid inlet of the high pressure taking tube; irregular vortexes are formed during medium flow; impurities are driven to flow; further, impurity particles are prevented from entering the probe, the high pressure taking tube and the low pressure taking tube; the anti-blocking performance of the flowmeter is improved; the pressure taking of the flowmeter is stable.

Description

technical field [0001] The invention relates to the technical field of flowmeters, in particular to a flowmeter with a rectangular needle tube. Background technique [0002] The measurement of the flow of liquid, gas, steam and other media in large-diameter pipelines is based on factors such as energy saving, economy, and convenience of installation and maintenance. Insertion flowmeters are mostly used. Most of them are differential pressure insertion flowmeters, such as average velocity tube flowmeters, Pitoba flowmeters, etc. Due to the small inner diameter of the pressure-taking hole and the pressure-taking pipeline, the medium is viscous or contains solid particles, etc., the phenomenon of pipeline blockage, unstable signal, and decreased accuracy often occurs, which seriously affects its popularization, application and development, and causes great harm to users. Great inconvenience and economic loss, operation and maintenance costs increased significantly. Contents ...

Claims

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Application Information

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IPC IPC(8): G01F1/36
CPCG01F1/36
Inventor 王子琦王东王彩白青松王海明
Owner 承德菲时博特自动化设备有限公司
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