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ករផល តរួម (Co-generation) 55 ទិនន័យបតិបត នករផលិតរួម (Co-generation)

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Page 1: Theme 3 Current Energy Technology-Khmer Versiond284f45nftegze.cloudfront.net/hideakioh/Theme 3 Current... · 2015. 3. 2. · 2 3 4 SOx NOx SOx NOx France in 2005 Japan in 2010 (g/kWh)

ករផលតរម (Co-generation) 55 

ទនននយរបតបតត ៃនករផលតរម (Co-generation)

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២.១ បេចចកវទយ អ តេដើរេ យធយងថម (Clean coal technology) 56 

បេចចកវទយ អ តេដើរេ យធយងថម គជកររបមលផតៃនបេចចកវទយែដលបនអភវឌេដើមបកតបនថយករបះពលដលបរ ថ នេនកនងករផលតថមពលេចញពធយងថម។ ឧសមនបពលេផ ងៗែដលបេញចញពករដតធយងថមមនដចជ SOx, NOx, CO2 នង PMs រតវបនកតបនថយរដកេចញ មរយៈរបពនធបេចចកវទយ អ តេដើរេ យធយងថម។  បេចចកេទសខលះៗែដលរតវបនេរបើរបសេដើមបសេរចេគលេ មនដចជ ករេរបើរបសែរដចជថមកេបរេដើមប ងយកធតពល នងករេរបើរបសរបពនធបណតឧសមន (gasification) ករច ញឧសមនបេញចញេចលេ យច យទកេដើមបដកយកឧសមន Sox  ករចបយកឧសមនកបនច នងរក ទក (carbon capture and storage) បេចចកវទយ អ តេដើរេ យធយងថមទងេនះមនៈ - ករបេងកើត នងករកតបនថយឧសមន  NOx  - ករកតបនថយឧសមន SO2 - ករចបយកឧសមនកបនច នងរក ទក

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២.១ បេចចកវទយ អ តេដើរេ យធយងថម (Clean coal technology) 57 

• ករបេងកើត នងករកតបនថយឧសមន NOx (NOx generation and reduction)

• ករកតបនថយឧសមន SO2 (SO2 reduction)

• ករចបយកឧសមនកបនច នងរក ទក (Carbon capture and storage)    

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ករបពលរបសឧសមន NOx នង SOx  58 

ឧសមនNox នង Sox ែដលបនរពែលងេចញេទកនងបរយកសបេងកើតបនជេភល ង សត ែដលេភល ងេនះបផល ញបរ ថ ន នងរបពនធេអកឡស។ 

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ករតបពលរបសឧសមន NOx នង SOx នេពលបចចបបនន 59 

x

2.5

 Boiler

  

Coal   Flue gas

 De-NOx

Electrostatic precipitator

 FGD

 Stack

   

NO (mg/Nm3)  

3

  <500 - 1 000

  <50 - 100

Current performance at stack <50 - 100 (<0.16 - 0.42 g/kWh) <20 - 100

SO2 (mg/Nm )  

PM (mg/Nm3)

<1 000 - 5 000  

<20 000

< 20 - 100  < 50 < 10

(<0.06 - 0.42 g/kWh ) <10 (<0.032 - 0.042 g/kWh)

ថ នភពបចចបបនន ចេពះករកតបនថយឧសមនពលេ យរបពនធបណត  

Roadmap technology publication of IEA 

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បរមណ សត (N2) េនកនងធយងថម 60 

េឈម ះ សមពនធ បរមណ េសថរភព

Pyridine1 15-40%

More stable

Pyrrole1 60% Less stable

Aromatic amines

6-10% Stable

1 រមបញច លមន សពនធែដលបេងកើតេឡើងរបសពពក រ មព ២-៥កងសមពន តម

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យនតករបេងកើត NOx  61 

‐  បេងកើតេ យកេ (Thermal NO) 

- បេងកើតេ យបែបក (Prompt NO) 

- បេងកើតេ យេរបង (Fuel NO: volatiles‐NO and 

char‐NO) 

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យនតករបេងកើត NOx  62 

‐ ករបេងកើតេ យកេ (យនតករ Zeldovich) 

N2 + O  NO + N  

N + O2  NO + O  

រសយេលើសតណហ ភពខពស: >1300-1500°C

មនែមនជរបភពធកនងករបេងកើត NO

‐ ករបេងកើតេ យបែបក (Prompt NO)

N2 + CHx  HCN + N + …  

N + OH  NO + H  

េកើតមនែតេនេពលមនរបយេរបងេរចើន មនែមនជរបភពធកនងករបេងកើត NO

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យនតករបេងកើត NOx  63 

‐ េរបង NO (‐N ែដលមនកនងជតេហើរភយ) 

េរបង -N HCN/NH3   

គជរបភពធកនងករបេងកើត NO (>80%).

‐ ធយង NO (‐N ែដលមនកនងកកធយង) 

ជតេហើរភយ (ករបេងកើត )

(ករបផល ញ) HCN/NH3 + O2

N2

NO NO + HCN/NH3

កកធយង -N + ½O2 NO

កកធយង -C + NO ½N2 + កកធយង (O)

(ករបេងកើត )

(ករបផល ញ)

[កកធយង -NO = ~25%] < [ជតេហើរភយ-NO = ~75%]

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យនតករប នថយ NOx  64 

- មរយៈកររគបរគងចេហះ ករែកែរបរេបៀបដតបេញឆ ះ

• ករដតេឡើងវញ • ករដតបេញឆ ះេរចើនដ ក

‐ កររគបរគងបនទ បពចេហះ មរយៈករបញបញច លនវ រធតកតបនថយេនកនងខយល

បេញចញ (flue gas)   កររគបរគងបនទ បពចេហះ មរយៈដេណើ រករដក សត

េចញ (denitrification processes)

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២.១ បេចចកវទយ អ តេដើរេ យធយងថម (Clean coal technology) 65 

• ករបេងកើត នងករកតបនថយឧសមន NOx (NOx generation and reduction)

• ករកតបនថយឧសមន SO2 (SO2 reduction)

• ករចបយកឧសមនកបនច នងរក ទក (Carbon capture and storage)    

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ករកតបនថយឧសមន SO2 66 

ករកតបនថយឧសមន SO2 មរយៈករបញធតរសប (ករបញថមកេបរ)

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ករកតបនថយឧសមន SO2 67 

SOx reduction by sorbent injection 

ករកតបនថយឧសមន SO2 មរយៈករបញធតរសប (ករបញថមកេបរ)

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ករកតបនថយឧសមន SO2 68 

ករកតបនថយឧសមន SO2 មរយៈករបញធតរសប (ករបញថមកេបរ)

ធតរសបសងតែដលបញបញច ល ធតកខវក ករតកតបនថយ

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NOx and SOx Reduction  69 

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ករកតបនថយឧសមន NOx នង SOx 70 

0

1

2

3

4

SOx NOx SOx NOx

France in 2005 Japan in 2010

(g/k

Wh)

របភព របេទសប ងៈOECD Environmental Data Compendium 2006/2007  របេទសជបនៈ Federation of Electric Power Companies of Japan 

របេទសប ងឆន ២០០៥ របេទសជបនឆន ២០១០

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២.១ បេចចកវទយ អ តេដើរេ យធយងថម (Clean coal technology) 71 

• ករបេងកើត នងករកតបនថយឧសមន NOx (NOx generation and reduction)

• ករកតបនថយឧសមន SO2 (SO2 reduction)

• ករចបយកឧសមនកបនច នងរក ទក (Carbon capture and storage)    

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ឧសមនកបនច 72 

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ឧសមនកបនច 73 

ឧសមនកបនចបេញចញ មរយៈែផនកែដលផលត

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ឧសមនកបនច 74 

បេចចកវទយេដើមបកតបនថយឧសមនកបនច

បេចចកវទយជេរចើននងរតវករ ស បករកតបនថយឧសមនកបនច

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ករបញបញច លឧសមនកបនច (Carbon sequestration)  75 

• េដើមបកតបនថយធតពលពេរបងផសលេទកនងបរយកស

• ចេរបើរបសជមយរបភពថមពលធៗដចជ េ ងចរកអគគសនេដើរេ យធយងថម  

• ឧសមនកបនចរតវបនចប នងរក ទកេរកមដែដលមន

ចេ យ ភយេទកនងបរយកស 

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ករចបយកឧសមនកបនច នងរក ទក (Carbon capture and storage) 76 

េរបង

ដេណើ រករ

ជេរ ើសៃនកររក ទក

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ករចបយកឧសមនកបនច នងរក ទក (Carbon capture and storage) 77 

  1996      1999    2001 

ករ ស ពនតយ ម ន នងបញជ កពកររក ទកឧសមនកបនច

ឧទហរណៃនករ ម នឧសមនកបនច កនងរសទបែផនដេនតបន Sleipner 

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កររក ទកឧសមនកបនច េរកមបតសមរទ  78 

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២.២ បេចចកវទយេ ងរចអគគសនេដើរេ យថមពលនយេកលែអ 79 

 • ថ នភពបចចបបននៃនថមពលនយេកលែអរ   

• ដេណើ រករ នងគណសមបតតៃនេ ងចរកថមពលេដើរេ យនយេកលែអរ

•ករតវទយសកមម នងរងវ ស   

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ថ នភពបចចបបននៃនថមពលនយេកលែអរ 80 

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ថ នភពបចចបបននៃនថមពលនយេកលែអរ 81 

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ថ នភពបចចបបននៃនថមពលនយេកលែអរេន ស 82 

គេ ងថមពល

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២.២ បេចចកវទយេ ងរចអគគសនេដើរេ យថមពលនយេកលែអ 83 

 • ថ នភពបចចបបននៃនថមពលនយេកលែអរ   

• ដេណើ រករ នងគណសមបតតៃនេ ងចរកថមពលេដើរេ យនយេកលែអរ

•ករតវទយសកមម នងរងវ ស   

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ដេណើ រករ នងគណសមបតតៃនេ ងចរកថមពលេដើរេ យនយេកលែអរ 84 

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ដេណើ រករ នងគណសមបតតៃនេ ងចរកថមពលេដើរេ យនយេកលែអរ 85 

   

• ករបែបកគជបេចចកវទយថមពលបចចបបននែដលេរបើរបសេរបងតចបផត 

• ធតអយ ញម ចរកបនងយកនងសបកែផនដ 

•  សន សៃចកនងកររបតបតតដចធយងថមែដរ តៃលេរបងតចតចបផត 

•  ចេរបើរបសបន -ថមពលនយេកលែអរមនសមថភព នភពធ មនមនចេហះ នងមនបេញចញឧសមនេផ ងៗដចជ CO, CO2 ,  SO2  • បេងកើតករងរែដលមនរបកែខខពស នងមនកនតរ សវតថភពខពស 

• កតបនថយករពងពកេលើេរបងបរេទស បេងកើនសនតសខថមពលជត េ ងចរកនយេកលែអរមយ ចេរបើរបសបនកនងរយៈេពល៦ែខ ជមយនងករ កេរបងមតង • មសនរបតកមមេធវើករេនកនងសតណហ ភពខពស ដេចនះ ចផលតបនទងអគគ

សន នងអរដែសន 

• មយេរគ ងៃនេ ងចរកនយេកលែអរ (1GW) ចផគតផគងស បរបេទសកមពជបន

ទងមលស បេពលបចចបបនន។ 

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ករផលតកេ មរយៈរបតកមមនយេកលែអរបែបក  86 

U‐235 + 1 Neutron    2 Neutrons + Kr‐92 + Ba‐142 + Energy 

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ករផលតកេ មរយៈរបតកមមនយេកលែអរ យបញច ល  87 

•ឧទហរណមយៃនរបតកមមរ យបញច លរបសេរបង deuterium (គជអសតបអរដែសនករតធងន) នង tritiumែដលបេងកើតជេអលយម នងបេញចញថមពលកេ  

 p + p                            He + n + 0.42 MeV

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េរគ ងបងគ ទេទរបសេ ងចរកអគគសនេដើរេ យថមពលនយេកលែអរ  88 

Boiling Water Reactor (BWR)

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កររគបរគងករតរបតកមមនយេកលែអរ  89 

របតកមមបែបករតវបនរគបរគងេ យរបរបញជ រ 

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របេភទមសនរបតកមមនយេកលែអរ  90 

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វដតេរបងនយេកលែអរ  91 

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ករតជ បវទយសកមមេទេលើរបធតមយចនន  92 

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កររគបរគងកកសណលនយេកលែអរ  93 

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ករទក កកកសណលកនងរសទបេរជរបសែផនដ  94 

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២.២ បេចចកវទយេ ងរចអគគសនេដើរេ យថមពលនយេកលែអ 95 

 • ថ នភពបចចបបននៃនថមពលនយេកលែអរ   

• ដេណើ រករ នងគណសមបតតៃនេ ងចរកថមពលេដើរេ យនយេកលែអរ

• ករតវទយសកមម នងរងវ ស   

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ខន តវទយសកមម 96 

សកមមភពបែបកភគលអតៃនវទយសកមម •  Becquerel‐ SI unit (Bq) = 1 disintegration per second (dps) • Curie (Ci) = 3.7 x 1010 Bq = # dps from 1g Ra 

ករតរសបគជថមពលែដលបេញចញេ យធតវទយសកមមេទេលើរបធតែដលរសបយក Gray‐SI(Gy) = 1 joule per kilogram 

• 1 Gy = 100 rads  

ករតសមមល គជករតែដលមនឥទធពលេលើរបពនធជវៈចរះ  DE = Absorbed dose X Quality factor (Q) 

• Q = 1 for beta particles and gamma/x‐rays    Q = 10 for alpha particles • Sievert‐ SI unit (Sv)    1 Sv = 100 rems 

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ករតវទយសកមមែដលបេញចញេ យឧបករណេផ ងៗ  97 

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សមអរគណចេពះករយកចតតទក ក

98