Welded Plate Heat Exchanger belongs to Recuperative Heat Exchanger, and is fully welded between every two plates to form channels through which the fluids with different temperature can flow and exchange heat. The high temperature fluid transfers heat to the low temperature fluid through the plates, thereby realize heat exchanging. The flow velocity of each fluid can be controlled by plates distance, so as to meet the working condition perfectly. In addition, there is also the semi-welded type plate heat exchange.
Welded Plate Heat Exchanger is mainly for vapor condensing and liquid to liquid heat exchanging, to meet with various requirements from industries like power sector, petrochemical, petroleum coking, pharmacy, metallurgy, refrigeration, paper processing etc. Optimal arrangement of various channels also make sure of high heat transfer efficiency and minimal pressure loss. Besides, its frame is detachable, and therefore it is convenient to have either mechanical cleaning or chemical cleaning as per actual situations.
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High humidity challenges, conventional temperature and humidity monitors cannot achieve both long-term stability and high accuracy in high-humidity environments because the response speed of traditional sensors will be significantly slower in high-humidity environments. And high-humidity environments often contain corrosive media that endanger the life and stability of the sensor. The measurement of high humidity environments is a challenge to measurement technology. Here the temperature and humidity monitor must be on the sensor to do measurement speed response, high precision, good corrosion resistance and other advantages.
Corrosive challenges. The presence of chemical elements in the environment and moderately excessive standards will accelerate the corrosion of the sensor, which will affect the life of the instrument. In this measurement process, the self-reporting thermometer and hygrometer sensor must have a strong anti-corrosion, so Only then can we extend the service life.
Drift challenge, in the actual use of the process, due to dust, oil pollution and harmful gases in the environment, the use of a long time, the electronic humidity sensor will have aging, accuracy decline. The annual drift of electronic humidity sensors is generally around 2% of the soil, and even higher. Under normal circumstances, it is necessary to carry out regular maintenance of the instrument to ensure the measurement results. The sensors here need to be individually calibrated by the instrument's probes, and market-based calibrations are used to ensure the accuracy of the measurement results.
Three extreme challenges of temperature and humidity monitoring instruments
The three extreme challenges of temperature and humidity monitoring instruments directly affect the comfort of the human body in terms of the temperature and humidity values ​​in the environment. One of the two variables has obvious variation and the other does not change significantly. The human body does not feel great, but When the two parameters in the environment are changed, the human body can quickly sense it and begin to feel uncomfortable in some senses. As the two changes increase, the greater the impact, the more serious it will directly affect the human life. The temperature and humidity recorder can be used to test and analyze the living environment. At the same time, the temperature and humidity recorder can also detect various factors in the warehouse. However, the temperature and humidity detection in the warehouse must pay attention to the following three points: