Union CWD2005 DPC, Руководство по эксплуатации

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CWD2005 DPC
Technical Data CWD2005 DPC
chapter — page: 1—3
1.1 Technical Data Combustion calorimeter
1.1.1 Specifications
Measured gas properties: Lower Wobbe-index, specific gravity
Calculated gas properties: Higher Wobbe-index, lower heating value (calorific
value), higher heating value (higher calorific value)
Calculated gas properties
options: combustion air requirement index (CARI), combus-
tion air requirement
Gas type, inlet pressure, typical consumption CWD2005 DPC
Gas type
Range
[MJ / m³]
Range
[MJ / m³]
Flare gas
1)
0–15 40 0–15 40
Blast furnace
gas
3.5–6 40 3.5–6 3.0 170
Converter
gas
4.5–9 40 4.5–9 1.5 140
Mixed gas 5–10 40 5–10 2.0 140
Coke-oven
gas
15–30 40 15–30 1.5 60
Biogas 25–35 40 25–35 1.5 70
Natural gas 25–48 20 25–45 1.0 25
Refinery gas 25–50 40 25–50 1.5 25
LPG 40–90 20 40–90 1.5 15
1)
Gas with a heating value < 3.5 MJ/m³ does not burn autothermic, carrier gas needed. The combus-
tibility always depends on the gas type.
2)
FS = linearity error in relation to full scale value
1.1.2 Display times of calorific value measurement
1
Dead time: 3 seconds
50% - time: 7 seconds
90% - time: 15 seconds
99% - time: 45 seconds
1.1.3 Calibration gas
Calibration gas: Mixture of main gas components, Wobbe-index
should be between 75% and 100% of full scale,
specific gravity greater than 0.555
Calibration interval: Programmable, from hourly to monthly
Duration of calibration: Typical 10 minutes
Gas consumption: Typical 1/6 of gas consumption per hour, refer to ta-
ble above
1
The display times are measured when the new gas reaches the burner. Display times refer to
measurements with pure methane.
Pressure
[mbar]
Accuracy [ ± %FS] Gas Flow
[l/h]
2.0