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Coal Mine Methane (CMM) Fueled gensets
CMM USE IN IC ENGINES AT COAL MINESCoal mine degasification was originally developed to improve worker safety in coal mines, since explosive gas can form when methane mixes with air. Now, that gas can power the coal mine or be fed into the public power grid. The thermal energy can be used for heating purposes on-site, or be fed into a district heating system. And finally, mining companies can obtain additional revenues by selling Carbon Emission Reduction (CER) credits following the Clean Development Mechanism (CDM) or comparable mechanisms introduced among countries that have sighed the Kyoto Protocol.
The main technical challenge in using coal mine gas in gas engines is the fluctuation of methane concentration during operation, as well as variations in gas pressure, humidity and quality that can be observed from one mine to the other. Shengli’s people took on this challenge 10 years ago and today is a leading supplier for such technology worldwide.
Use the coal mine, coal bed gas or mine gas, through the gas explosion-prevention ventilator, explosion-prevention mist transportation system, gas and liquid separator, coarse colander, extract colander and electromagnetism valve, to mix the gas with the air in the gas engine and then conflagrate the mixed gas, in order to drag the generator to generate electricity.
Electric power 625Kva/500kw
500GF1-2RW Methane content >25%
500GF1-3RW Methane content >25%

500GF1-3RW Coal Mine Methane Fueled gensets

 

500GF1-2RW Coal Mine Methane Fueled gensets

MINE METHANE GENSETS SPECIFICATIONS
Description/ Genset Type 500GF1-2RW 500GF1-3RW
Methane (CH4) 25% 9%-25%
Electrical Output (kw) 500 500
Voltage (V) 400 400
Engine Type W12V190ZLDK-2B W12V190ZLDK-2C
Aspiration Turbocharged Inter cooled Turbocharged Inter cooled
Arrangement of cylinder V-12, 4-Stroke-Cycle V-12, 4-Stroke-Cycle
Bore/Stroke (mm) 190/210 190/210
Engine Speed (rpm) 1000 1000
Fuel consumption (MJ/kWh) 9.80 10.50
Exhaust temp. (℃) 550 550
Ignition mode Spark-Ignited Spark-Ignited
Starting Mode 24V DC Power 24V DC Power
Total Displacement (Lit) 71.45 71.45
Insulation Class F Class F
Excitement Brushless excited Brushless excited
Length (mm) 5678 5678
Width (mm) 1970 1970
Height (mm) 2822 2839
Weight Empty (kg) 12500 12500
CMM should be purified before burning in engine
CMM temperature ≤40℃
CMM pressure 3-10kPa; Fluctuation rate of pressure ≤1kPa/min
CH4≥9%; Fluctuate rate of CH4≤2%/min
Granule≤5um
Granule≤30mg/Nm3
Moisture≤40g/Nm3
For safety purpose, the O2≥16% and total volume of CH4+O2≥28% if CH4≤30%
 
 
Main products: Biomass gensets, Coal Mine Methane Fueled gensets, LOW BTU Gas gensets, Natural gas engine
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