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author： 2020-05-17
The working process of burner burner is not very familiar to most of you. Today, the small editor of ebico, a burner burner manufacturer, will take you to know about it. First, we will know about some elements of combustion: fuel, ignition source and combustion oxygen.And here are some:
Excess air coefficient: the ratio of the actual amount of air burned to the fuel's theoretical air.NOx: the general term for KIO and HOC2 NOx produced during combustion.Natural ventilation diffusional combustion: the air needed for combustion does not depend on the fan or other forced wind supply to supply oxygen, but on the natural ventilation or the pressure of the fuel itself to ejecting air to obtain combustion oxygen combustion mode.
Forced blast combustion: a type of combustion in which a fan or compressor is forced to supply air to provide auxiliary oxygen. Most industrial burners are in this form.
Premixed combustion (ejection) : the fuel and air are mixed proportionally prior to ejection into combustion, and then ejection into combustion.
FSG: FlME SAEGIRID STEN combustion safety protection device.FSG generally consists of the following parts:
Power supply: it is used to supply system operation and relay suction.Flame detection part: check at any time, the state of broken flame.Ignition output: supply the ignition transformer with power to generate the spark required for ignition, and shut down automatically after confirming normal ignition to protect the ignition transformer.Valve control output: open the fuel solenoid valve for ignition and combustion during ignition output or after a slight delay.Alarm output: in case of ignition failure or flameout in normal combustion, the fuel valve can be cut off in time and the alarm signal can be output.Other: depending on the needs of the FSG with many different accessories, such as: burner fan pressure switch input.
Ion flame detection: based on the principle of one-way ionization of high temperature flue gas, an ac voltage is added to the flame to confirm the flame state by detecting whether the current exists or not.
Photoelectric flame detection: the use of flame burning its own light through the photoelectric sensor detection of the flame state.
Purge: before ignition burner ignition device is equipped with automatic control, to ensure the safety of the first ignition, before the formal ignition, can through the fan will help but fresh air into the furnace, the combustible gas dilution, Syria's chamber, purging time is related to the size of the chamber of a stove or furnace burner combustion, as purging time meet for air chamber of a stove or furnace 4 times.
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