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# 能源回收機組 - PowerPoint PPT Presentation

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### 能源回收機組

* 什麼是能源回收機組

* 系統說明

* 節能效益

* 成本分析

* 歷年回收效益

PRT:Power Recovery Train

Steam

Air

Air

Steam

2

T=700℃

P=2.7Kg/cm

T=700

(

/

)

T=220℃

T=288

FGD

156 MT/hr

330 MT/hr

174 MT/hr

18.0 MW

18.0 MW

1.壓力能未能回收

2.Steam運用缺乏彈性

2.發電機可彈性調度回收能源。

T=585℃

T=700℃

(

/

)

T=220℃

T=288

FGD

17.7 MW

20.1 MW

20.4 MW

18.0 MW

CO鍋爐

330 MT/hr

133 MT/hr

197 MT/hr

*

20.1 MW

17.7 MW

20.4 MW

18.0 MW

17.7MW+20.4MW = 18.0MW + 20.1MW

*

*

Steam可以擁有約190MT/hr的彈性調度空間。

*

RCC單元能源自給自足，不須外援。

*

*

266MT/H 80.6%

64MT/H 19.4%

8 MWH 62.5%

4.8 MWH 37.5%

= 200,224 仟元/年

CO2減量 = 93,456 噸/年

346,670/200,224=1.7年

(發電)

90~93年效益合計:576,642仟元

G,P2,T2

G,P1,T1

Where:

E = Overall expander efficiency (~0.82)

G = Mass flow of flue gas, kg/hr

R = Gas Constant = 8.314 / MW

T1 = Expander inlet temperature

K = Adiabatic exponent, Cp/Cv (~1.291

for flue gas at expander inlet)

P2 = Expander exhaust pressure,

kg/cm2(absolute)

P1 = Expander inlet pressure,

kg/cm2(absolute)

GRT1

(K-1)/K

K

P2

Shaft Power(KW)=E( )( )(1-( ) )

3600

K-1

P1

*

*

PRT機組可充分回收煙道氣能源及調節能源之使用。

*

PRT機組節能效益: 200,224 仟元/年

*

Summary: