There are many factors that affect the water level, mainly the low-temperature waste heat boiler load changes, combustion changes, changes in water supply and steam, and changes in drum pressure, which can all cause water level changes.
1. The water level is monitored by the water level of the steam drum. There are on-site two-color water level gauges, electric contact water level gauges, and balance vessels. It has nothing to do with the negative structure of the low-temperature waste heat boiler, but the actual stable is the on-site two-color water level gauge, which uses industrial batteries to transmit the water level to the battery in the main control room.
2. Adjustment is to adjust the amount of water supply by looking at the water level of the steam drum. Among them, automatic adjustment is to control the opening of the feedwater regulating valve according to the amount of steam, the amount of water supply and the water level of the steam drum, and the three signals are controlled through a logic program in this way.
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