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Method and device for measuring corrosion degree of radiator

A measurement method and radiator technology, applied in the field of radiators, can solve problems such as reducing the maintenance cost of radiators

Pending Publication Date: 2022-06-07
广东能源集团科学技术研究院有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides a method and device for measuring the corrosion degree of the radiator to solve the technical problem of how to measure the corrosion degree during the operation of the radiator and effectively reduce the maintenance cost of the radiator

Method used

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  • Method and device for measuring corrosion degree of radiator
  • Method and device for measuring corrosion degree of radiator
  • Method and device for measuring corrosion degree of radiator

Examples

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Embodiment 1

[0054] Please refer to figure 1 , figure 1 A method for measuring the corrosion degree of a heat sink provided in an embodiment of the present invention includes steps S1 to S4, wherein,

[0055] Step S1, acquiring air parameters, structural parameters of the radiator to be tested, and historical fault-free operating parameters of the same type of radiator; wherein the historical fault-free operating parameters include fluid parameters and operating data.

[0056] Specifically, obtain the Prandtl number and constant pressure heat capacity on the air side of the fins of the radiator to be tested. The Prandtl number can be obtained directly, or you can query the air thermal property table to obtain the dynamic viscosity and density of the air side of the fins. , and thermal conductivity, etc., which can be calculated according to these parameters, and the Reynolds number can also be calculated. The structural parameters include the parameters of the fins of the heat sink to be...

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Abstract

The invention provides a method and a device for measuring the corrosion degree of a radiator. The method comprises the following steps: acquiring an air parameter and a structure parameter of the radiator to be measured and a fluid parameter and operation data of the radiator of the same type; according to the structure parameters, the operation data and the air parameters, the air side heat exchange coefficient and the total heat transfer area of the fins of the radiator to be tested are obtained; and obtaining the surface efficiency of the radiator according to the air parameters and the fluid parameters in combination with the total heat transfer area and the air side heat exchange coefficient so as to obtain the fin efficiency, and obtaining a corrosion degree measurement result according to the radiating form and the fin efficiency of the fins. Compared with the prior art, the corrosion degree of the radiator is measured in real time according to the efficiency and air environment conditions of the radiator through air parameters and structure parameters of the radiator and fluid parameters and operation data of the radiator of the same type, operation of the radiator is not affected, measurement safety and economical efficiency are improved, and the method is suitable for popularization and application. And the troubleshooting and maintenance cost of technicians is effectively reduced.

Description

technical field [0001] The invention relates to the field of radiators, in particular to a method and device for measuring the corrosion degree of a radiator. Background technique [0002] With the gradual expansion of offshore wind turbines to far-reaching sea areas and the continuous increase of the single-unit capacity of wind turbines, the problem of excessive temperature of the electrical components of wind turbines has become more and more prominent. These phenomena are often closely related to the performance degradation of the heat sink. Since the equipment is exposed to humid air containing corrosive salt spray for a long time, this alternating environmental condition can easily lead to the deposition of salt spray particles on the surface of the external equipment, causing corrosion on the air side of the radiator, especially the surface of the fin and the brazing of the baffle. The exposed area of ​​the solder layer and the triangular weld area seriously affect t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/20G01N25/72G01B21/28
CPCG01N25/20G01N25/72G01B21/28Y02E10/72
Inventor 刘国军姚勇黎石竹赵雪茹吴志超饶睦敏刘东海揭敢新刘浩然
Owner 广东能源集团科学技术研究院有限公司
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