Sampling probe blocking alarm system

Abstract

The invention discloses a sampling probe blockage alarm system. The system comprises a sampling probe, a sampling pump, a sampling pipeline, a detection device, a detection pipeline, a flow rate control valve, a sampling analyzer and a control alarm device. The invention belongs to the technical field of sampling probe detection, and relates to the sampling probe blockage alarm system. According to the sampling probe blockage alarm system, indirect detection of the blockage condition of a sampling probe is realized by adopting a real-time monitoring mode of detecting the air pressure and the flue gas amount in a pipeline, and a sound-light alarm is given out when the blockage of the sampling probe exceeds a preset value, people are prompted to clean the sampling probe in time, so that the service life of the sampling probe is prolonged, and the problems that a sampling probe blockage alarm system in the current market is poor in effect, complex in structure and inconvenient to maintain are effectively solved.

Description

technical field [0001] The invention belongs to the technical field of sampling probe detection, in particular to a sampling probe blockage alarm system. Background technique [0002] With the rapid development of industry, the problem of air pollution is becoming more and more serious, and today's environmental protection issues are becoming more and more prominent. Coal-fired generating units realize green power generation through desulfurization and denitrification, which has become the focus of environmental monitoring. Therefore, the reliability of the flue gas automatic monitoring system It is also becoming more and more important. The first link of the flue gas automatic monitoring system is flue gas sampling, that is, the system transports the flue gas in the flue from the sampling probe to the analyzer through the sampling pump. Because the flue gas itself has a certain dust content, the sampling probe often becomes blocked during long-term operation. Phenomenon, t...

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Problems solved by technology

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a sampling probe blockage alarm system, which realizes the indirect detection of the sampling probe blockage by detecting the air pressure and smoke volume in the pipeline for real-time monitoring , and when the sampling probe blockage exceeds the preset value, an audible and visual alarm will be issued to remind people to clean it in time, which further enhances the practical life of the sampling probe and effectively solves the poor effect of the sampling probe blockage alarm system on the market and its own complex structure. , the problem of inconvenient maintenance

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