Low temperature start of diesel engine: at low temperature, the viscosity of fuel increases, which is not conducive to the atomization and combustion of fuel. The poor fluidity of lubricating oil increases the resistance of moving parts. In addition, the working capacity of storage battery is reduced. It is easy to cause engine starting difficulty, parts wear, power reduction, fuel consumption increase and power performance decline. In order to ensure that all kinds of construction machinery can be put into use safely under cold conditions, daily maintenance should be done well and low temperature auxiliary starting system should be installed as far as possible (if installed, please check whether the heater works normally).
Circulating cooling medium heating system, also known as fuel heater heating system. The diesel engine can be started normally under - 40 ℃. The picture shows a liquid fuel heater. The fuel burning can continuously heat the cooling medium in the whole circulation system.
The heater adopts 24 V or 12 V DC power supply and forms a circulating heating system with diesel engine and radiator. It can not only increase the oil temperature and decrease the oil viscosity between the cylinder and piston, but also make the air in the intake manifold heated.
This is the low-temperature auxiliary starting mode. The low-temperature start-up mode is to draw out the coolant from the engine body through the fuel heater and the attached water pump, and then heat it and recycle it to the engine body through the fuel heater, so as to heat the engine and achieve the purpose of starting the engine at low temperature. The working principle of the fuel heater is that the motor drives the oil pump and combustion supporting fan to send it to the atomizer through the oil pipe. After atomization, the air inhaled by the combustion supporting fan is compressed and ignited in the main combustion chamber. After full combustion in the combustion chamber, it turns back. The heat is transferred to the cooling medium in the water jacket interlayer through the radiator on the inner wall of the water jacket. The heated medium is used in the water pump (or thermal convection) Then, it circulates in the whole pipeline system to achieve the purpose of heating. The combustion exhaust gas is discharged from the exhaust port.
The whole heating process of this low-temperature start-up mode takes 5-20 minutes, which can heat the engine body temperature to about 20-30 ℃. At this time, the engine oil is also heated, the oil viscosity is reduced, and the lubrication conditions of the engine at low temperature are improved, so that the engine can start smoothly. The advantages of this low temperature starting mode are obvious, which greatly improves the starting performance of the engine under low temperature and cold conditions. Our company provides diesel engine series heater for you to choose!
Water heater
Integrated with engine cooling system or self-contained, heat is transmitted to heat conversion parts through coolant, and evenly blown to the interior of vehicle through existing air duct.
1. By using volatilization technology, the fuel heater is evaporated into gaseous state by ceramic ignition plug, which ignites rapidly and burns fully.
2. It adopts advanced automatic control technology, has reliable abnormal working condition protection function, constant temperature control range, 35 ℃ - 45 ℃, and can also be adjusted according to user's demand.
3. The switch, timer and remote control are integrated into one and can be selected at will.
4. Small size, easy to install and disassemble.
5. The power supply can be 12V / 24V DC or 220V AC.
6. It is used for various diesel generators, marine power engines and other heat demand environment.
7. Good low temperature performance and reliable start-up.