1.The system consists of fuel tank, fuel pump, burner oil pump, injection valve (nozzle), etc., the system pressure is low, not only can not guarantee the atomization effect, but also can not complete the oil supply of the burner.
2.Fuel oil temperature is low, viscosity increases the oil temperature, affect the atomization effect, low temperature viscosity is not easy to atomize and easy to cause the filter (mesh 300 m) plug oil pressure reduction, due to the viscosity, combustion is not sufficient to ensure the temperature and a lot of black smoke and furnace carbon; The environment temperature is low in the long winter in this area, and the burner operates at low temperature. The automatic control system is equipped with low temperature alarm for fuel oil or the low temperature alarm system automatically shuts down the burner.
3.High water cut, resulting in low oil cut in the early stage of production, no fuel tank bottom water cut off, after long-term operation, there is more water in the tank, there is high water cut off, no high water cut off after the bottom water.
4.equipment failure, leading to stop the furnace.
5.The spring of the nozzle oil gun is damaged and broken, and the fuel oil cannot be sprayed, which leads to the furnace stopping or secondary combustion and explosion accidents. The nozzle thimble is damaged and broken, and the fuel oil cannot be ejected, and the fuel oil is transported back to the fuel tank through the return line. The flame monitor cannot catch the flame signal, and automatically stops the burner; Oil gun spring is damaged, due to the fuel oil pressure, part of the fuel oil through the nozzle, flow into the chamber of a stove or furnace space within a large number of oil and gas gathering, failed to timely check point furnace, secondary burning in the hearth or explosion accidents, the wind oil ratio is in accordance with the normal operation of the set, a large amount of fuel oil cannot adhere to fully burning form coking furnace lining, affect the efficiency, forming a large number of black smoke, damage to the environment, the furnace, part of the fuel oil in burning in the hearth, formation of coked again.
6.Flame monitor fault stop furnace in operation, the flame monitor damage or probe dust, unable to detect the flame in real time, due to the flame signal and flame monitoring loop failure and lock stop furnace, regularly check the flame monitor and clean the flame monitor dust effectively eliminate due to the flame monitor fault stop furnace.
7.Breakdown or ignition electrode gap is big, not ignite fuel oil ignition electrode in high temperature environment for a long time, porcelain tube burst will happen or electrode in the condition of high voltage breakdown caused by heavy short circuit or ignition electrode gap (5 to 8 mm) is too heavy to pull arc, ignition process, the fan after purging, the pump running, not ignite after atomization of fuel oil, regularly check the ignition electrode and adjust ignition electrode gap effectively improve furnace operation.
8.Was programmed, and insurance is damaged, unable to start the burner program controller is an important device of control the operation of the burner, the price is relatively expensive, is hub station automatic control equipment, the main fan start exercising control (purging and provides combustion-supporting air) and burner ignition burning, various control commands and data transmission control circuit function.
9.Pet-name ruby temperature control switch, the oil temperature electronic regulator is damaged, can't be heating burner installed electronic two oil temperature controller and electric heater, as a fuel oil for heating, maximize the fuel oil atomization effect, keep the oil temperature is between 75-80 degrees Celsius, once damaged, can't guarantee the atomization effect, fuel oil viscosity increases, lead to program the lock or low oil temperature, burner can't run.
10.Attending automatic control equipment damage lock, signal can't pass or no signal source furnace respectively set overtemperature and overpressure alarm stop chain furnace parameters, was stopped by the transmission temperature overtemperature and overpressure furnace, boiler water temperature overtemperature pause furnace and furnace flue overtemperature alarm shutdown was stopped and the low hydraulic oil temperature alarm chain composition such as low water boiler stop, once the lock, without removal of boiler stop unlock after recovery, fault point are starting operation of the burner; In automatic control link, installed than apparatus, modules, safety barrier, and all kinds of relay, pressure and temperature sensors and signal transmission cables, parts damage, signals can be collected or transmission error signals, cause the burner control system data chaos, cause the burner to start or start of super WenChao pressure as a result of error signals after such accidents.
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