Online calculation method for vacuum leakproofness of condenser

A calculation method and a rigorous technology, which can be used in the liquid/vacuum measurement of liquid tightness, and by measuring the acceleration and deceleration rate of the fluid. It can solve the problems of incomplete automation, lack of real-time data and accuracy, Achieve the effect of improving the efficiency and real-time performance of operation monitoring, optimizing data collection rules, and reducing investment

Inactive Publication Date: 2019-04-16
BEIJING INBASIS TECH
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Problems solved by technology

[0003] However, due to functional limitations and relatively simple measurement methods, the existing vacuum tightness monitoring system simply realizes the display of vacuum test values ​​for some data through a simple report function, and the real-time and accuracy of the data are lacking. , the final results of the monitoring and testing of vacuum tightness equipment can only be used as a reference, and cannot be fully automated

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  • Online calculation method for vacuum leakproofness of condenser
  • Online calculation method for vacuum leakproofness of condenser
  • Online calculation method for vacuum leakproofness of condenser

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Embodiment Construction

[0016] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0017] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0018] Such as figure 1 with figure 2 As shown, an online calculation method for the vacuum tightness of a condenser according to a specific embodiment of the present invention comprises the following steps:

[0019] Step 1, configure the unit and vacuum pump status and record points involved in the vacuum tightness calculation.

[0020] Step 2: Real-time data collection of vacuum pump status and vacuum value through th...

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Abstract

The invention discloses an online calculation method for vacuum leakproofness of a condenser. The method comprises the following steps that S1, a unit and a vacuum pump state and a recording point areconfigured; S2, real-time data acquisition is carried out; S3, data processing is carried out on the data of the real-time data in the step 2; and S4, the data start recording time ST and the data end recording time ET are determined by verifying the load condition and the operation state condition of the vacuum pump, the start recording time ST and the end recording time ET are separated for a period of time, a starting test time SC and a test ending time EC are taken in the time period between the start recording time ST and the end recording time ET, a condenser vacuum value VAC_Start corresponding to the starting test time SC and a condenser vacuum value VAC_Stop corresponding to the test ending time EC are taken, and the vacuum reduction rate ROD=(VAC_Stop - VAC_Start) / (EC - SC). According to the method, the vacuum leakproofness can be accurately judged.

Description

technical field [0001] The invention relates to the field of vacuum tightness calculation, in particular to an online calculation method for the vacuum tightness of a condenser. Background technique [0002] In the power industry, accurate calculation of the vacuum tightness of the condenser of the cold-end equipment of power generation, energy saving and emission reduction, and safe production have always been important issues in related fields. At present, the vacuum tightness detection system of the condenser generally includes a vacuum pump, an exhaust port measuring device and a computing device. The computing device is connected to the exhaust port measuring device. Steam discharge, the exhaust port measuring device is used to measure the air content in the steam and air mixture discharged through the exhaust pipe of the steam-water separator of the vacuum pump, and the calculation device generates a pair of The test results of the vacuum tightness of the condenser. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/26
CPCG01M3/26
Inventor 杨喆
Owner BEIJING INBASIS TECH
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