Application Cases in the Coking Industry
A large - scale coking plant has multiple coke ovens. Precise temperature control during the coking process plays a decisive role in the quality of coke. To address the problem of inaccurate temperature control in the past, which led to fluctuations in coke quality, the plant introduced an advanced temperature sensor system.
High - precision thermocouple temperature sensors are evenly distributed and installed at key parts of each coke oven, such as the carbonization chamber and the combustion chamber. These sensors feature rapid response and extremely high measurement accuracy, with an error controllable within ±1°C. They monitor the temperature changes at different positions inside the coke oven in real - time and transmit the data to the central control system in real - time.
Based on the data fed back by the sensors, the central control system precisely adjusts the flow rate of heating gas through an intelligent algorithm. When the temperature in a certain area approaches the set upper limit, the system automatically reduces the supply of heating gas corresponding to that area. Conversely, when the temperature is lower than the set lower limit, the system increases the gas supply. For example, during the coking period, through real - time monitoring by the sensors, the temperature of the carbonization chamber is ensured to be stable within the ideal range of 1000 ± 10°C, making the coke maturity uniform and improving key quality indicators of coke, such as strength and wear resistance.
Since the adoption of this temperature sensor system, the first - grade product rate of coke has increased from the original 60% to 80%. At the same time, due to more precise temperature control, energy consumption has decreased by approximately 10%, significantly improving the economic efficiency of the coking plant.