The general calculation is based on 330Nm3/t dry coal, the return gas is about 45%, and the remaining gas is about 55%.
Coke oven gas is 17900kj/Nm3 according to its low calorific value. The coke oven gas of coke oven gas generating units is now comparatively high in the use of gas turbines for power generation. There are several types of coke oven gas. Among them, the combination of cyclic power generation or cogeneration of heat and power is comparable well. The system is mainly composed of gas turbines and generators, waste heat boilers, steam turbines or heat-supply steam turbines (extraction or back pressure type). It will burn. The high temperature exhaust gas after the work discharged by the gas turbine is recovered by the waste heat boiler and converted into steam.
Then steam is injected into a steam turbine to generate electricity, or the exhausted steam after partial power generation is used for heating < coking gas generator set. The way is that gas turbine and steam turbine advance a single-axis combined cycle of a generator in a coaxial way, and gas turbine and steam turbine respectively advance the multi-axis combined cycle of their respective generators.
It is mainly used for power generation and cogeneration. The high efficiency combined cycle system for power generation is ABB GT26-1 with an efficiency of 58.5%. According to 58.5% efficiency calculation, a cubic gas can generate 2.9098 kilowatt-hour electricity.
2. Coking gas generating units have excellent performance, advanced technology, reliable work and convenient maintenance.
3. Low fuel consumption, low emission and low noise
4. The unit is durable, compact and easy to operate.
5. Easy maintenance and operation, few people and easy maintenance during standby period
6. The diesel generating unit adopts rotary diesel oil, oil filter and dry air filter.
7. High voltage regulation accuracy, good dynamic performance, compact structure and long service life
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