Abstract
An analysis of the existing methods and schemes of heating the air by combustion products in the tailings of the heating boiler indicates that such measures provide an opportunity to increase the efficiency and reliability of power plants, as well as increase the efficiency of boiler plants. This paper considers the results of the study of the economic performance of the modernized RAH-98 boiler TGMP-314 A 300 MW on natural gas in the range of load variation of the power unit 160–260 MW and on the fuel oil in the range of load variation of the power unit 200–260 MW. Experiments were carried out at a stable mode of operation of the boiler in two stages: for the off and for the included scheme of suction environment from the seals of RAH. The average increase in the efficiency of the boiler is 0.35 % gross during operation of the boiler, both on natural gas and on fuel oil in the specified range of loads. Absorption of air in RAH for loads of the power unit 160–260 MW for the included circuitry is reduced by 7 % on average compared to the disconnected circuit. Bibl. 10, Fig. 5.
Highlights
This paper considers the results of the study of the economic performance of the modernized RAH-98 boiler TGMP-314 A 300 MW on natural gas in the range of load variation of the power unit 160–260 MW and on the fuel oil in the range of load variation of the power unit 200–260 MW
Ï3ä ÷àñ ïðîâåäåííÿ äîñë3ä3â çàóâàæèëè, ùî çà íîì3íàëüíîãî íàâàíòàæåííÿ êîòëà òà ðîáîòè éîãî íà ïðèðîäíîìó ãàç3 ó âèïàäêó, êîëè íåîáõ3äíèé ñòóï3íü ðåöèðêóëÿö3¿ ñêëàäào âñüîãî 2–4 %, òåìïåðàòóðà ïàðè ïðîì3æíîãî ïåðåãð3âó äåùî çá3ëüøóoòüñÿ (íà 5–15 °Ñ)
Summary
Ñ. Áàíäåðè, 12, 79013 Ëüâ3â, Óêðà¿íà, å-mail: tan_ru@ukr.net Ï3ä ÷àñ ðîáîòè êîòëà íà ìàçóò3 â ä3àïàçîí3 íàâàíòàæåíü 200–260 ÌÂò âì3ñò òðüîõàòîìíèõ ãàç3â ïî êîðîáàõ â3äñìîêòóâàííÿ ïåðåò3êàþ÷îãî ïîâ3òðÿ ÐÏÏ çì3íþâàâñÿ â3ä 1 äî 5 %, âì3ñò êèñíþ — â3ä 14 äî 19 %.
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