A 1000-MW coal-fired unit commissioned in Zouxian Power Plant
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At 14:40:00,the load went up to 40 MW:the mill No.6 and the small oil gun No.6 were commissioned;the output of he mitll came up to 30%;the large oil gun No.2 stopped.At 1 6:00:00, he ltoad went uD to 90 MW;the mill No.3 was put into operation; he ltarge oil gun No.4 stopped.At 16:50:00,the unit parameters were fixed;the small oil guns were shut down.The boiler
As seen by the test data in Table 3,the combustion eficifency was on the low side in the initial stage of boiler startup.As the main burners commissioned one by one,the heat absorption rate of furnace went up gradually,and the combustion eficiency fwas improved step by step.
temperature and pressure run—up curves(Figure 7)met
requirements of technical regulation.The oil consumption
COnCIusiOns
nimum gasiifed oil ignition technology adopted by (mainly used for preheating boiler and starting the coal 1)The mi
pulverizing system in the initial stage)was added up to 1 2 tons
during the sliding startup.Compared to the average oil consumptionof33tinthepast,therateofoil saving reached64%.
Fularji Power Plant’s boiler No.2 can be used orf direct
igniting lignite,and the firing is stable.The boiler startup time,temperature and pressure curves are in conf ormity
with operation regulations.
Test for combusti