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Experimental device for measuring Venturi transpiration amount

An experimental device, Venturi technology, applied in measuring devices, testing/calibrating devices, detecting fluid flow by measuring differential pressure, etc., can solve problems such as reduced condensation efficiency, weakened vapor diffusion flow, etc., and achieves easy operation, novel design, The effect of simple and compact structure

Active Publication Date: 2016-03-30
GUILIN UNIV OF AEROSPACE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen from this that when the non-condensable gas discharge aperture and orientation are not set properly, the escape of non-condensable gas will weaken the diffusion flow of steam and reduce the condensation efficiency

Method used

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  • Experimental device for measuring Venturi transpiration amount

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Effect test

Embodiment Construction

[0021] The present invention is described in further detail below in conjunction with accompanying drawing:

[0022] see figure 1 , the experimental device for measuring Venturi flow of the present invention comprises a main air pipe 8 and an air inlet pipe 4, a blower fan 1 is connected on the air inlet pipe 4, a first flowmeter 2 is installed on the air inlet pipe 4, an air inlet valve 3 and a discharge pipe Trachea 7, second flow meter 5 and deflation valve 6 are installed on deflation pipe 7. The other end of the air intake pipe 4 is connected to one end of the main air pipe 8, and the top center position of the middle section of the main air pipe 8 is welded with a Venturi bottom pipe I9, on which the lower orifice plate I10 and the upper orifice plate I11 are respectively welded, and the upper orifice plate I11 is welded on it. The orifice I11 is provided with a Venturi jacking pipe I12, and the lower orifice I10 and the upper orifice I11 are connected together by a bol...

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Abstract

The invention relates to an experimental device for measuring the Venturi transpiration amount, and belongs to the field of fluid machines. The experimental device comprises a main air tube and an air inlet tube connected with the main air tube. The inlet end of the air inlet tube is provided with a fan. A first flow meter, an air inlet valve and an air exhaust tube are sequentially arranged on a tubeline connecting with the air inlet tube with the main air tube. The air exhaust tube is provided with a second flow meter and an air exhaust valve. A plurality of Venturi tubes are perpendicularly arranged on the tube wall of the main air tube. Each Venturi tube is provided with a transpiration tube. Each Venturi tube is composed of a Venturi top tube and a Venturi bottom tube, wherein a porous partition plate with the pore diameter smaller than that of the corresponding Venturi tube is arranged between the Venturi top tube and the Venturi bottom tube. The device is simple and compact in structure, novel in design, easy to operate, safe and reliable.

Description

technical field [0001] The invention belongs to the field of fluid machinery and relates to an experimental device for measuring Venturi flow. Background technique [0002] The condenser is one of the main heat exchange equipment in the industrial sector, and the non-condensable gas contained in the condenser is one of the important reasons for the decrease of the condensation efficiency. Therefore, the exclusion of non-condensable gas is an important key to ensure the design capability. At present, the non-condensable gas discharge port is usually located at the place where the non-condensable gas is easy to accumulate. If the aperture is too large, a large amount of working fluid will be lost. If the aperture is too small, the non-condensable gas cannot be discharged in time, which will reduce the condensation efficiency; The direction of escape in the air film layer may also hinder the diffusion flow of steam and reduce the condensation of steam. Due to the upward buoya...

Claims

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Application Information

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IPC IPC(8): G01F25/00G01F1/44
CPCG01F1/44G01F25/00
Inventor 张俊霞
Owner GUILIN UNIV OF AEROSPACE TECH
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