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Flue flow field measuring device and flue flow field measuring method

A measurement device and flow field technology, which is applied in the direction of measurement device, fluid velocity measurement by pressure difference, velocity/acceleration/impact measurement, etc., can solve the problems of not being able to restore the real flow field of the flue to the maximum extent, and achieve safety and easy implementation Effect

Pending Publication Date: 2022-08-02
山东微立方信息技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a flue flow field measurement device and a flue flow field measurement method to alleviate the technical problems existing in the prior art that cannot restore the true flow field of the flue to the greatest extent

Method used

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  • Flue flow field measuring device and flue flow field measuring method
  • Flue flow field measuring device and flue flow field measuring method
  • Flue flow field measuring device and flue flow field measuring method

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Embodiment 1

[0052] refer to Figure 1 to Figure 5 , the first embodiment provides a flue flow field measurement device, the flue flow field measurement device includes a streamlined casing 101, the head end of the streamlined casing 101 is connected to a traction rope 103; The sensor 105, the acquisition control circuit 106 and the wireless transmission module 107; the differential pressure sensor 104 is used to acquire the differential pressure signal of the airflow, the differential pressure sensor 104 is electrically connected with the acquisition control circuit 106, and the acquisition control circuit 106 is used to calculate the differential pressure signal Converted into a wind speed signal; the attitude sensor 105 is used to calculate the three-dimensional attitude signal of the flue flow field measurement device in the flue through the three-axis acceleration value and the angular velocity value, the attitude sensor 105 is electrically connected with the acquisition control circui...

Embodiment 2

[0071] The second embodiment also provides a flue flow field measurement method, comprising the following steps:

[0072] The measuring device 10 is hoisted in the flue;

[0073] blowing air to the measuring device 10 by means of a fan;

[0074] Under the action of the wind force, the traction rope 103 and the measuring device 10, the measuring device 10 presents an attitude similar to the parallel airflow;

[0075] Obtain differential pressure information through the differential pressure sensor 104 in the measuring device 10, and convert it into a wind speed signal;

[0076] Acquire the three-dimensional attitude signal of the measuring device 10 in the flue by the attitude sensor 105 in the measuring device 10, and convert it into a three-dimensional coordinate signal;

[0077] The wind speed signal and three-dimensional coordinate signal are transmitted to the analysis system and displayed through images.

[0078] In the step of hoisting the measuring device 10 in the f...

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Abstract

The invention provides a flue flow field measurement device and a flue flow field measurement method, and relates to the technical field of flow field measurement, the flue flow field measurement device comprises a streamline shell, and the head end of the streamline shell is connected with a traction rope; a differential pressure sensor, an attitude sensor, an acquisition control circuit and a wireless transmission module are arranged in the streamline shell; the differential pressure sensor is used for acquiring a differential pressure signal of the airflow and is electrically connected with the acquisition control circuit; the attitude sensor is used for calculating a three-dimensional attitude signal of the flue flow field measuring device in the flue according to the three-axis acceleration value and the angular velocity value, and the attitude sensor is electrically connected with the acquisition control circuit; and the acquisition control circuit is connected with the wireless transmission module. The technical problem that in the prior art, the real flow field of the flue cannot be restored to the maximum extent is solved, and the technical effects that the real flow field of the flue can be restored to the maximum extent, and not only can the flow speed be measured, but also the flow direction can be measured are achieved.

Description

technical field [0001] The invention relates to the technical field of flow field measurement, in particular to a flue flow field measurement device and a flue flow field measurement method. Background technique [0002] SCR (Selective Catalytic Reduction), the selective catalytic reduction method, the principle is that under the action of the catalyst, the reducing agent NH 3 Selectively decompose NO and NO at 290~400℃ 2 revert to N 2 , while almost no NH occurs 3 with O 2 oxidation reaction, thereby increasing NO, NO 2 selectivity, reducing the NH 3 consumption. [0003] In the prior art, the methods for measuring the flow field in the SCR flue include manual measurement and pitot measurement. Among them, the manual measurement method requires people to enter the flue to measure the hand-held anemometer, which is in a harsh environment and has a high work risk factor. Instruments that rely on measuring the difference between the total pressure and static pressure o...

Claims

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Application Information

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IPC IPC(8): G01P5/14G01P13/02
CPCG01P5/14G01P13/02G01P13/0006Y02A90/10
Inventor 刘炳军王晓东高增光
Owner 山东微立方信息技术股份有限公司
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