The classification methods of dust collectors are different and can be divided into many types, which are used for different dust and different working conditions.
(1) is classified according to the principle of dust removal force (see table 1- 1 for details).
(2) Classification according to the dry and wet conditions of smoke and dust (see table 1-2 for details).
(3) Classification by dust removal efficiency (see table 1-3 for details).
(4) According to the working state of the dust collector in the dust removal system, the dust collector can also be divided into positive pressure dust collector and negative pressure dust collector. According to the working temperature, it can be divided into normal temperature dust collector and high temperature dust collector. According to the size of the vacuum cleaner, it can also be divided into small vacuum cleaners, medium vacuum cleaners, large vacuum cleaners and super-large vacuum cleaners.
(5) According to the different dust removal mechanism and function of dust removal equipment, according to the classification and naming method of HJ/T1-1996 environmental protection equipment, dust collectors can be divided into the following seven types:
(1) gravity and inertia dust collector, including gravity settling chamber and baffle dust collector;
(2) Cyclones, including simple cyclones and simple cyclones;
(3) Wet dust collector, including spray dust collector, impact dust collector, water film dust collector, foam dust collector, inclined grid dust collector and Venturi dust collector;
④ Filter layer dust collector, including particle layer dust collector, porous material dust collector, paper filter and fiber filler filter;
⑤ Bag dust collector, including mechanical vibration dust collector, electric vibration dust collector, chamber back-blowing dust collector, nozzle back-blowing dust collector, vibration dust collector and pulse jet dust collector;
⑥ Electrostatic precipitator, including plate electrostatic precipitator, tube electrostatic precipitator and wet electrostatic precipitator;
⑦ Combined dust collectors, including all kinds of combined dust collectors connected in series, often "set coarse particle dust collectors at the front stage and fine particle dust collectors at the rear stage" in order to improve dust removal efficiency.
In addition, with the increasingly strict laws and regulations on air pollution control, flue gas desulfurization function is sometimes added to flue gas dust removal devices, which is derived from flue gas dust removal and desulfurization devices.