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Introduction
Dust removal equipment is also known as dust collector and it is an equipment that can separate dust from flue gas.

Classification, principle and uses
I. Mechanical dust removal equipment
Principle: the use of dust gravity sedimentation, inertia or centrifugal separation of dust and other ways to dust and air separation.
Advantages: 1. Simple structure and low cost. 2. Easy maintenance.
Disadvantages: Filtration difference to dust under 10μm.
Applications：Dry and large-grained non-fibrous dust.
II. Washing type dust removal equipment
Principle: the use of washing liquid or water and dust in contact with the dust, dust dust in the dust separated into the liquid to remove dust in the gas.
Advantages: 1. High security. 2. Small floor area. 3. Low operating cost. 4. High efficiency.
Disadvantages: resulting in secondary contamination of the washing liquid.
Applications：suitable for high temperature, high humidity, flammable and explosive dusty gases.
III. Bag dust removal equipment
Principle: the use of fiber filter filtration on the dust-laden gas to keep the gas to be purified.
Advantages: 1. High efficiency. 2. Wide range of application. 3. Simple structure. 4. Lower cost than electric dust removal equipment. 5. Not sensitive to the characteristics of dust.
Disadvantages: 1. Difficult in removing sticky dusts. 2. High cost.
Applications：steel, non-ferrous metallurgy, chemical, machinery, building material, electricity, light industry, textile, grain, transportation, and other industrial sectors.
IV. Electrostatic dust removal equipment
Principle: the dust gas through the strong electric field, so that the particles charged, and then through the electrode, the charged particles were adsorbed by the electrode plate, and remove the dust.
Advantages: 1, high efficiency. 2, the effect is good, in addition to dust.
Disadvantages: thin resistance impact, efficiency is not stable.
 Scope: for the removal of flue gas in the 0.01-50μm dust, and can be used for high flue gas temperature, the pressure of the occasion.