progress of nim's smoke stack simulator and field
TRANSCRIPT
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Progress of NIM's Smoke Stack Simulator
and Field Measurement in Power Plants NINIMM图标图标
Liang Zhang,
National Institute of Metrology, China
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01 Background
02 Smokestack Simulator of NIM China
03 Field Calibration System
04 Field Tests
05 Future Works
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Need for Stack Gas Flowrate Measurement
Industry plant efficiency test
Air pollution emission monitoring
➢ Chinese Environmental Protection Agency has clear demand for
accurate flue gas flowrate measurement
Carbon trading
➢ In 2013, China has carried out pilot carbon trading in 7 provinces,
and extended to the national carbon trading market in 2017
➢ In 2013 NDRC issued first 10 industry sectors greenhouse gas
emission accounting methods and reporting guidelines
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Measurement and Calibration Scheme
Industry plant efficiency test
➢S type pitot tube point by point measurement
➢Wind tunnel calibration at 0 pitch and 0 yaw angle
Air pollution emission monitoring
➢ On site velocity comparison using S type pitot tube.
➢ Wind tunnel calibration at 0 pitch and 0 yaw angle
Carbon trading
➢ Fuel based calculation method
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Overall Research Plan
Stack flowrate calibration
➢Build calibration facilities to calibrate standard 3D pitot tubes
in different flow conditions
➢Study the pitot tube integration method
➢Field calibration system
Stack ultrasonic flowmeter calibration
➢Dry calibration
➢Real flow velocity calibration
Field tests
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01 Background
02 Smokestack Simulator of NIM China
03 Field Calibration System
04 Field Tests
05 Future Works
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Flow Meter
LDA Standard
Wind Tunel
Swirl and Turbulent Generator
Pitot Tube Transverse
Muti-Path USM
Test Section
Axial Fan
DN 1000, DN700, 0.7m*1m
Smoke Stack Simulator of NIM Working Standard
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Smoke Stack Simulator of NIM
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Reference Section & Wind Tunnel
Velocity range of wind tunel: 0.5~70m/s
Turbulence intensity: 0.75%@50m/s
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Dual LDA Test Windows (Downstream of Contraction)
Standard Flowmeters Nozzle and
Turbine Flowmeters
Vacuum Pump
NIM’s Dual LDA Flowrate Standard
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Dual LDA Test Windows (Downstream of Contraction)
Inlet
Nozzle Standard Flowmeter Vacuum Pump
NIM’s Dual LDA Flowrate Standard
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NIM’s Dual LDA Flowrate Standard
Boundary layer LDV
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Reference Section & Wind Tunnel
LDV primary standard of SMSS
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Reference Section & Wind Tunnel
LDV seeding
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PIV
Reference Section & Wind Tunnel
Wind tunnel
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Reference Section & Wind Tunnel
8-path USM working standard
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Reference Section & Wind Tunnel
USM lost signal
Electromagnetic interference
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Test Section
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Test Section
Contraction section and swirl generator
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Test Section
USM under test
➢ Circular: 8-path (OWICS) + dual cross diametric path
➢ Rectangular: 8-path (OWIRS) +dual cross diametric
path
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Test Section
USM under test
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Test Section
Pitot tube automatic transverse system
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Test Section
Pitot tube automatic transverse system
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Test Section
Fans
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Test Data
Flow stability
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Test Data
LDV calibrate USM
Set flowrate(m3/h) 750 1700 3500 8500 17000 32000 50000 80000
Velocity in the Center of
the pipe 0.5 1 2 5 10 20 30 50
(m/s)
LDV flowrate(Nm3/h) 755.467 1684.68
NIMNIM3494.48
图标图标8496.88 17375.7 32617.2 50932.2 84476.6
USM flowrate(Nm3/h) 745.971 1681.39 3517.49 8588.96 17542.3 32830.1 51358.4 84381.5
Indication error 1.26% 0.19% -0.66% -1.08% -0.96% -0.65% -0.84% 0.11%
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01 Background
02 Smokestack Simulator of NIM China
03 Field Calibration System
04 Field Tests
05 Future Works
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Field Calibration System
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Standard 3D Pitot Tube
Automatic positioning
system
Traceable
Stack
Flow
Flowmeter Under Test
Geometric Calibration
Wind Tunnel
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Field Calibration System
Geometric calibration device 2nd Generation
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1st Generation
80mm
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Field Calibration System
Geometric calibration device 2nd Generation
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Field Calibration System
Automatic pitot tube positioning system
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01 Background
02 Smokestack Simulator of NIM China
03 Field Calibration System
04 Field Tests
05 Future Works
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Field Tests
Pitot tubes calibration in NIST wind tunnel
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Field Tests
Natural gas power plant Install 6-Path Ultrasonic Flowmeter
e
m NIM图标NIM图标
Pitot TubTest
Platfor
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Field Tests
Natural gas power plant
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Field Tests
Coal-fired power plant
Pitot TubeTest
Platform
Install 6-Path Ultrasonic Flowmeter
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Field Tests
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Field Tests
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Field Tests
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Field Tests
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Field Tests
Coal-fired power plant – 3D laser scanner
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Comparison
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Field Tests
Coal-fired power plant – 3D laser scanner
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Field Tests
Coal-fired power plant – 3D laser scanner
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Field Tests
Coal-fired power plant – Flowrate Measurement
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Field Tests
Coal-fired power plant – Flowrate Measurement
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Field Tests
Coal-fired power plant – Flowrate Measurement by pitot tube @
10Hz
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Field Tests
Coal-fired power plant – Flowrate Measurement
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Field Tests
Coal-fired power plant – Flowrate Measurement
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01 Background
02 Smokestack Simulator of NIM China
03 Field Calibration System
04 Field Tests
05 Future Works
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气相色谱仪及光谱分析
仪
流速式烟气流量计
自动标定系统
Future Work
Close loop wind tunnel which can change the gas
composition (simulated flue gas) and temperature.
Online Auto Calibration GC System
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烟气超声流量计
E-1
轴流风机
激光多普勒测速仪LDV
E-2
真空泵
P-1 混气池
E-3
水泵
天平
V-1
I-1
MFC
V-2
I-2
V-3
I-3
V-4
I-4
V-5
气瓶
V-6
烟气温度调节装置
LDV
Simulated
Flue Gas
USM Fan
Moisture
Generater
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Future Work
Dry calibration facility for flue gas USM
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Future Work
Other industry sectors (test 30 sites in 3 years)
➢Cement production
➢Glass production
➢Ceramic production
➢Chemical production
➢Non-ferrous metal production
➢ Iron and steel production