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Steam trap blockage detection on-site online detection and troubleshooting
NegotiableUpdate on 05/14
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Overview
Steam drain valve blockage detection on-site online fault diagnosis $r $n The equipment is synchronously equipped with professional abnormal frequency demodulation technology, which can convert high-frequency ultrasonic waves into audible audio for human ears. Real time review through headphones: regular crisp clicking sound is normal drainage, continuous sharp hissing sound is steam leakage, and silent or dull abnormal sound is blockage and jamming. It truly realizes dual verification of auditory and visual waveforms, making the judgment more intuitive and reliable.
Product Details
Steam trap blockage detection on-site online detection and troubleshooting
Steam trap blockage detection on-site online detection and troubleshooting
The core technological advantages of LE4800plus ZS drain valve detector areUltrasonic detection+infrared thermal imaging dual-mode collaborative detectionBy collecting dual dimensional data of sound waves and temperature and conducting comprehensive analysis using intelligent algorithms, high-precision, visualized, standardized and accurate diagnosis of steam trap faults can be achieved. The principle of whole machine inspection is divided into three core technical modules:
1、 Ultrasonic precision detection: capturing invisible abnormal sound waves in the human ear
Under different operating conditions such as normal opening and closing, internal leakage, blockage and jamming of steam trap valves, high-frequency ultrasonic signals with significant differences in characteristics will be generated. The upper limit of human auditory perception is only 20kHz, which makes it impossible to recognize high-frequency abnormal sound waves. This is also the fundamental reason for the inaccurate and misjudgment of traditional manual auscultation.
LE4800plus ZS is equipped with a broadband high-precision ultrasonic sensor, which covers the detection frequency range20kHz~100kHzIt can accurately identify three typical working condition signals:
Normal operation signalThe float ball and valve core of the drain valve operate normally, generating regular and stable high-frequency sound waves with uniform and smooth waveforms. The instrument automatically displays a green normal OK status.
Steam leakage signalHigh pressure steam is sprayed out at high speed along the sealing gap, generating high-intensity continuous ultrasonic waves with sharp peak fluctuations. The instrument marks the red leakage OPEN state and canQuantify the amount of steam leakageTo provide accurate data basis for energy-saving rectification and loss accounting.
Blocking the stuck signalCondensed water accumulation cannot be discharged normally, internal fluid flow is obstructed, ultrasonic signal intensity is greatly attenuated, waveform is smooth or even without fluctuations, and the instrument displays a blue blocked CLOSED state.
The device is synchronously equipped with professional heterodyne demodulation technology, which can convert high-frequency ultrasonic waves into audible audio for the human ear. Real time review through headphones: regular crisp clicking sounds indicate normal hydrophobicity, continuous sharp hissing sounds indicate steam leakage, and silent or dull abnormal sounds indicate blockage or jamming, truly achievingAuditory+visual waveformDouble verification makes the judgment more intuitive and reliable.
2、 Infrared thermal imaging assisted detection: visual verification of abnormal temperature status
Temperature distribution is an important auxiliary basis for judging the operating conditions of drain valves. LE4800plus ZS integrates a high-resolution infrared thermal imaging module, non-contact real-time temperature measurement, and quickly generates a complete temperature field thermal map of the drain valve and surrounding pipelines, intuitively presenting the temperature distribution differences between the inlet and outlet.
There is a significant temperature difference between the inlet and outlet of a normal drain valve: the inlet is close to the saturation temperature of the steam system, and the outlet is at the temperature of low-temperature condensate water; When steam leakage occurs, high-temperature steam flows directly to the outlet, causing a sharp increase in outlet temperature and a significant reduction in temperature difference between the inlet and outlet; When there is blockage and water accumulation, condensed water is trapped and unable to flow, resulting in a low overall temperature of the valve body and maintaining a low temperature at both the inlet and outlet.
Infrared temperature data and ultrasonic sound wave signalBidirectional cross validationTo solve the problem of easy misjudgment in single sound wave detection and greatly improve the accuracy of fault diagnosis.
3、 Built in intelligent expert algorithm: automated standardized judgment, no need for senior experience
Instrument built-in basisGB/T 12256 National StandardThe intelligent expert diagnostic algorithm developed by combining thermodynamic professional models can automatically synchronize and analyze multidimensional data such as ultrasonic amplitude, waveform characteristics, inlet and outlet temperature fields, intelligently match fault judgment models, and quickly and automatically output fault types, fault levels, and handling suggestions.
Operators do not need to have deep professional skills or years of testing experience to standardize and normalize the detection of drain valve faults, solving traditional detection problemsRelying on experience judgment, without unified standards, opaque results, and inability to retain dataIndustry pain points.
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