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Ultrasonic gas flow detection device for nuclear power chimney

A detection device, gas flow technology, applied in the direction of measuring device, liquid/fluid solid measurement, fluid velocity measurement, etc., can solve the problems of poor measurement accuracy and accuracy, high maintenance cost, etc., to avoid easy adhesion, improve measurement accuracy and Accuracy, the effect of simplifying the speed measuring device

Pending Publication Date: 2021-06-01
NUCLEAR POWER INSTITUTE OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the measurement accuracy and accuracy of the current measuring devices for detecting flue gas in nuclear power chimneys are poor and the maintenance cost is high. Therefore, the present invention provides an ultrasonic gas flow detection device for nuclear power chimneys to improve Measurement Precision and Accuracy

Method used

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  • Ultrasonic gas flow detection device for nuclear power chimney
  • Ultrasonic gas flow detection device for nuclear power chimney
  • Ultrasonic gas flow detection device for nuclear power chimney

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Embodiment

[0035] Such as Figure 1-Figure 3 As shown, the present invention provides a nuclear power chimney ultrasonic gas flow detection device, including a fixed bracket 6, a plurality of ultrasonic velocity measuring devices and a host computer.

[0036] Wherein, the fixed bracket 6 is radially installed in the straight pipe section 7 of the nuclear power chimney, and the fixed bracket 6 is radially provided with a plurality of speed measuring device interfaces, and each speed measuring device interface is used to connect an ultrasonic speed measuring device. The ultrasonic speed measuring device is used to convert the detected ultrasonic signal into a wind speed value and send it to the host computer.

[0037] Further, the ultrasonic velocity measuring device includes a plurality of connectors 1 , a signal processing unit 2 and an anemometer 4 . Among them, the connector 1 is used to plug the ultrasonic speed measuring device into the speed measuring device interface; the wind spe...

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Abstract

The invention discloses an ultrasonic gas flow detection device for a nuclear power chimney, which is characterized in that a fixed bracket is radially mounted in a straight pipe section of the nuclear power chimney, so that gas in the nuclear power chimney vertically flows through the fixed bracket, and data acquisition is facilitated; then a plurality of speed measuring device interfaces are arranged on the fixed bracket in the radial direction, and the ultrasonic speed measuring device is connected through a connector of the ultrasonic speed measuring device, so that sampling measurement is carried out through a plurality of measuring points, the measurement precision and accuracy are improved, meanwhile, the ultrasonic speed measuring device is convenient to disassemble, and the maintenance convenience of the measuring device is improved; and finally, the ultrasonic speed measuring device is provided with a plurality of connectors, a signal processing unit and a wind speed measurer, so that the speed measuring device is simplified, the adhesion of flue gas and dust can be avoided, dustproof measures such as compressed air installation can be avoided, and the measurement precision and accuracy can be improved.

Description

technical field [0001] The invention relates to the technical field of nuclear power gas flow detection, in particular to an ultrasonic gas flow detection device for a nuclear power chimney. Background technique [0002] With the improvement of environmental protection awareness, the country's monitoring requirements for flue gas emissions have also increased. The measurement of the flue gas flow generated by nuclear power plants is related to the calculation of the total amount of radioactive gas emissions reported to the regulatory authorities. At present, the measuring devices for nuclear power plants to detect the flue gas of nuclear power chimneys mainly include pitot tube differential pressure measuring devices and thermal conductivity measuring devices. Among them, the pitot tube differential pressure measurement device is the corresponding device of the pitot tube differential pressure measurement method. Calculate the flow rate at this point; the thermal conductivi...

Claims

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Application Information

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IPC IPC(8): G01F1/66G01F15/18G01P5/24G01P1/00
CPCG01F1/662G01F15/18G01P1/00G01P5/245
Inventor 张曹龙胡润勇龚建军冯亮
Owner NUCLEAR POWER INSTITUTE OF CHINA
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