Low Water Level Alarm Problem - ZOZEN Boiler Rapidly Response to Users

The water level of the steam drum is one of the key factor for the boiler operation. For real-time monitoring and timely adjustment of boiler water level, steam boiler and hot water boiler produced by ZOZEN Boiler have double interlocks of boiler water shortage (analog quantity and digital quantity signal). At the same time, the after-sales team of ZOZEN Boiler also provides on-site training and follow-up boiler technical support services for each user to ensure the safe and reliable operation of the boiler system in all directions.

Timely Response of ZOZEN After-sales Team

It is a well-known chemical enterprise that has encountered boiler technical problems this time. The user purchased two sets of ZOZEN SZS series gas-fired steam boilers to provide heat source for heating, drying and other processes on the product production line of the enterprise.

ZOZEN gas-fired steam boiler has excellent performance of energy saving and emission reduction

Some time ago, the stoker suddenly found that there was an analog signal alarm of unexplained extremely low water level on the steam boiler. The person in charge of the boiler room immediately contacted the after-sales team of ZOZEN Boiler. After a preliminary understanding of the situation of the boiler room through remote communication, the after-sales service team of ZOZEN Boiler informed the user of the corresponding emergency treatment measures, and immediately sent after-sales technicians to the boiler room site to find out the problem and thoroughly solve it.

On the site of the boiler room, the after-sales technician observed that the number on the display screen of the water level differential pressure transmitter had been jumping in disorder. After detection, the water level of the boiler changed but the signal current was constant. The after-sales personnel first investigated the factors of the boiler drum water level, but after re-calibrating the liquid level for the double-chamber balance container for water level detection, the boiler control system was still in the extremely low water level alarm state. Based on the years of boiler maintenance experience, the after-sales technician basically determined that it is caused by the failure of the water level differential pressure transmitter.

Complete the replacement of differential pressure transmitter in one day

As the original manufacturer of the water level differential pressure transmitter is in a different place, express delivery needs to take more than three days. The after-sales person in charge of ZOZEN Boiler resolutely sent personnel from Wuxi, Jiangsu Province to the parts manufacturer to get the parts, and then rushed to the boiler room site overnight. In the evening, after replacing a new water level differential pressure transmitter, the problem of extremely low water level analog alarm was successfully solved.

ZOZEN Boiler guides users to solve the problem of extremely low water level alarm on site

After the problem was solved, the after-sales technician of ZOZEN Boiler also conducted a further inspection of the boiler system. During the inspection, it was found that the user's balance vessel blowdown pipeline and boiler blowdown have been merged into a main pipe, which may easily lead to inaccurate boiler water level detection. The after-sales personnel of ZOZEN Boiler told that there were potential safety hazards, the users were required to lay the sewage pipes separately in time.

In addition, ZOZEN Boiler also inquired about the daily operation steps of the stoker to flush the balance vessel pipeline, and emphasized that the three valve groups should be closed first when flushing, and the reference water level of the double-chamber balance vessel should be calibrated after the pressure of the blowdown pipeline is released, and attention should be paid to the intermittent blowdown of the boiler under low load and high water level conditions.

From troubleshooting a problem to solving it, ZOZEN Boiler spans three provinces in a row, taking only one day, which fully demonstrates the powerful after-sales technical support capability of ZOZEN Boiler.