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author：yuumi 2019-12-20
A valve for adjusting the proportion of burner air and gas and the flow rate;
Burner, is to make the fuel and air in a certain way out of the mixed combustion device collectively.Burners are divided into industrial burners, burners, civil burners and special burners according to types and application fields.
Main types of fuel used in burners:
Fuel oil: light oil (including diesel and kerosene only), heavy oil, residue oil, etc.
Gas: natural gas, artificial gas, liquefied petroleum gas, gas (coal-bed methane), methane and other five categories.Among them, there are great differences in composition and calorific value of artificial gas, namely city gas, gas and methane due to raw materials and generation methods.
It consists of an oil nozzle and an air conditioner.The oil nozzle is arranged on the axis of the air conditioner, and the oil is atomized into fine droplets. The oil is sprayed into the combustion chamber at a certain diffusion Angle (also known as the atomization Angle), which is mixed with the air sent by the air conditioner and then ignited.There are two types of oil nozzles: pressure atomization and double fluid atomization.The pressure atomizing oil nozzle is composed of diverter, swirl and atomizer.Oil pressure is generally 2 to 3 mpa.The oil produces high-speed rotating motion in the swirl sheet, spurts out through the center hole, and breaks into fine droplets under the action of centrifugal force. The average diameter of oil droplets after atomization is less than 100 microns.The double fluid atomizing oil nozzle USES steam or compressed air as the atomizing medium to accelerate the oil and atomize it.The y-type oil nozzle, which USES steam as atomizing medium, is named because the steam channel and the oil channel skew into y-shape.
Burner air register unless the pulverized coal burner with similar vortex flow and straight flow, are now a part of the vortex flow, namely wind in dc tuning device arranged in a flame holder, make a small amount of air through the flame holder (10 ~ 20%) to produce rotary motion, in air register exit form the center reflux area, make the oil mist fire stability, low oxygen combustion in order to achieve.