Abstract:

In response to national policies energy conservation and emissions reduction, to meet the demand of civil heating supply modification，2×135MW steam turbine were taken into heatandpower cogeneration transformation. The extraction condensate heating unit was changed into back pressure unit, a new unicom exhaust pipes will consolidate and lead the gas from the 2 upper roads to DN1200mm steam supply line, at the same time extract 5t/h steam ,which after temperature and pressure reduction, will be cooled in the low pressure cylinder. Compared the parameters and main economic indicators before and after modification, the project can save about 9.4kt of standard coal every year, which reduce the consumption of coal and smoke in the region.