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Product performance indicators of dust removal equipment manufacturers

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Product performance indicators of dust removal equipment manufacturers

作者: 江苏丰宇环保科技有限公司点击: Release Date: 2019-03-06 Author: Jiang Su Fengyu Environmental Protection Technology Co., Ltd. Views:

Product performance indicators of dust removal equipment manufacturers

The technical performance indicators of the dust collector mainly include dust removal efficiency, pressure loss, processing gas volume and load adaptability.

1.Dust removal efficiency

(1) Full efficiency The total efficiency is the percentage of the amount of dust removed by the dust collector and the amount of dust entering the dust collector. Represented as follows:

η = G2 ÷ G1 × 100%

Where η --------- efficiency of dust collector,%;

G1 --------- The amount of dust entering the dust collector, g / s;

G2 --------- Dust volume removed by dust collector, g / s;

Because the amount of dust entering the dust collector cannot be directly measured at the scene. The dust concentration and the corresponding air volume in the airflow at the inlet and outlet of the dust collector should be measured first, and then calculated using the following formula:

Q1 --------- the inlet air volume of the dust collector, m3 / s;

C1 --------- Dust collector inlet concentration, mg / m3;

Q2 --------- Dust collector outlet air volume, m3 / s;

C2 --------- Dust collector outlet concentration, mg / m3.

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(2) Total efficiency

If there are several dust collectors with dedusting efficiency of η1, η2,... Η in the dedusting system, which are running in series. The total efficiency of the dedusting system is represented by η, which is calculated as follows: η = (1- η1) (1- η2) ... (1- ηn)

(3) Penetration rate Penetration rate ρ is the percentage of the amount of dust discharged from the outlet of the eliminator and the amount of dust introduced into the inlet, calculated according to the following formula:

(4) Classification efficiency The classification efficiency n is the dust removal efficiency of the dust collector for dust within a certain particle size d or particle size range Δd, as shown in the following formula

2.Pressure loss

The pressure loss of the dust collector is the difference between the absolute value of the total pressure of the airflow at the inlet and outlet of the dust collector, which represents the mechanical energy consumed by the gas flowing through the dust collector. When the local resistance coefficient ξ of the dust collector is known, the following formula can be used to calculate it. Can be measured directly on the spot with a pressure gauge.

Where △ p --------- pressure loss of dust collector, Pa; ρu --------- density of processing gas, kg / m3; υ --------- Velocity of air flow at the inlet of the dust collector, m / s.

3.Processing gas amount

It indicates the capacity of the dust collector to handle the gas. It is generally expressed by volume flow (m3 / h or m3 / s), but also by mass flow (kg / h or kg / s).

4, load adaptability

The dust collector with good load adaptability can maintain stable dust removal efficiency, moderate pressure loss and sufficiently high operating efficiency when the amount of processing gas or pollutant concentration fluctuates within a wide range.

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Keywords: dust removal equipment , price of dust removal equipment, manufacturer of dust removal equipment

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