In industrial production, level measurement is always a key link to ensure process safety and efficiency. With the rapid development of industries such as petrochemicals and pharmaceuticals, the signal interference caused by complex working conditions in reaction vessels and the erosion of instruments by strong corrosive media are seriously affecting the accuracy of industrial measurements. However, traditional liquid level switches have problems such as decreased accuracy, short lifespan, and high maintenance costs in application.

In this case, the DHE-FT tuning fork level switch of Dinghua Electronics will extend the service life of the instrument and greatly improve measurement accuracy through corrosion-resistant material system and intelligent signal processing technology, providing reliable solutions for complex working conditions such as "strong corrosive medium erosion" and "reactor stirring"!

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User: A company in Zhejiang

■ Operating condition: Mixed reactor

The working conditions inside the mixed reaction kettle at the user's production site are extremely complex. Water, hydrochloric acid, resin and other media are fully mixed under the action of agitator. In this process, measurement interference factors such as splashing, vibration, foam, solid particles and so on emerge in endlessly, making the conventional liquid level switch often "fail" here and cannot work normally.

DHE-FT tuning fork level switch solution:

The DHE-FT tuning fork level switch adopts a "fast drop" type fork body design, which can quickly identify the contact state of the liquid level even under strong disturbance of high flow rate liquid, effectively reducing the influence of viscous medium hanging materials and greatly improving the response speed.

In addition, with the help of "ELL signal analysis technology" of Dinghua Electronics, relying on more than 30 years of data accumulation, the tuning fork switch has advanced intelligent processing methods, which can effectively overcome the interference caused by foam, adhesion, and changes in medium composition, and ensure that the tuning fork switch can work stably for a long time under various complex on-site conditions!

Application of Strong Corrosive Media Working Conditions

User: A company in Shandong

■ Working condition: Vinyl silicone oil/hydrochloric acid/sodium hydroxide storage tank

On site tank areas store vinyl silicone oil/hydrochloric acid/sodium hydroxide separately, with active chemical properties, volatility, and corrosiveness of the medium; Traditional contact switch materials (ordinary stainless steel or coatings) are prone to corrosion, leading to damage to the fork body, measurement failure, and even causing safety accidents;

DHE-FT tuning fork level switch solution:

The DHE-FT tuning fork level switch is sourced from the manufacturing process of Zihua Electronics, ensuring reliable on-site measurement without causing secondary pollution, demonstrating advantages in dealing with corrosion conditions. The liquid receiving part of the tuning fork level switch adopts the 316L+ECTFE process technology as a whole, further enhancing its resistance to corrosive media. This coating not only effectively prevents the erosion of highly corrosive media such as sodium hydroxide, but also maintains stable performance in the temperature range of -40 ℃~150 ℃, ensuring the long-term reliable operation of the fork in complex corrosive environments.

In addition, the DHE-FT tuning fork level switch also has fork damage monitoring technology. By monitoring the vibration frequency trend of the fork body in real-time through software, and combining the frequency change trend to determine whether the fork body is corroded and the degree of corrosion, it is possible to achieve full life cycle corrosion status monitoring, providing reliable assurance for users' level measurement.