![KY4107 Underground coal mines explosion-proof diesel engine](https://custom-images.strikinglycdn.com/res/hrscywv4p/image/upload/c_limit,fl_lossy,h_1000,w_500,f_auto,q_auto/2900229/298090_911386.jpeg)
KY4107 Underground coal mines explosion-proof diesel engine
Start mode: electric start, electric protection; air start, electric protection,Hydraulic start, electric protection;
Rated power/speed: 50-90±5KW/2200rpw
High idle speed: 2450±50r/min
Low idle speed: 750±50r/min
Main component:
Water washing chamber & Water-replenishing tank
Fire Arresting Element
Inlet flame arrestor
Ex Air Intake shut-off valve
Exhaust flame arrester
Ex d type generator regulator
Ex d type permanent magnet generator
Performance parameters
Minimum specific fuel consumption: 195±10g/KW.h
Full load stable smoke: ≤4FSN
Oil/fuel consumption ratio: ≤0.5%
Exhaust temperature: ≤70℃ (after washing the box)
Start-up performance: it can start smoothly within 30 seconds when the ambient temperature is above 5°C; without auxiliary devices, it can start smoothly in an environment of -15°C;
Emission performance: CO≤0.1℃, Nox≤0.08℃
Any surface temperature of diesel engine≤150℃
Air compressor gas outlet temperature≤150℃
Cooling system:
Coolant capacity (host part): 10L
Thermostat temperature: 83 - 88 ℃
Coolant outlet maximum temperature: 98℃
Opening pressure of coolant pressure cover : 50Kpa
Fan/diesel speed ratio: 1.1
Fan diameter: 520mm
Fuel system:
Fuel Type: Light Diesel
Grade:
0# for ambient temperature above 5℃
-10# for ambient temperature above 5℃~-5℃
-20# for ambient temperature above -5℃~-20℃
The maximum allowable resistance of the oil inlet pipe (when the filter is dirty): 12.6Kpa
Oil return pipe allows maximum resistance: 69Kpa
Lubrication system:
Oil pan capacity: upper limit 22.7 liters, lower limit 18.9 liters
Lubrication system total oil volume: 11 liters
Type of engine oil: 15W/40CF grade above -10℃
-10℃ is 10W/30CF grade
Oil pressure: low idle speed: >69Kpa;
Rated speed: >207Kpa
Exhaust system:
Resistance of the rear row of the turbocharger at rated speed≤ 10Kpa (with water washing box)
Starting mode: compressed air starter
Power: 4.5~7.5KW
Compressed air pressure: 600~800Kpa
Intake system:
Intake resistance front turbocharger at rated speed (with flame arrester)
When the air filter is clean: ≤3Kpa
When the air filter is dirty: ≤6.3Kpa
For underground coal mine application, we launched out KY serial explosion proof diesel engine including KY494_KY6114_KY4107_KY6102_KY6107_KY6114.