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Electrostatic precipitators


The performance of electrostatic precipitators is affected by three factors: dust properties, equipment construction and flue gas flow rate. The specific resistance of dust is an indicator for evaluating conductivity, which has a direct impact on dust removal efficiency. The specific resistance is too low, and it is difficult for the dust particles to remain on the dust collecting electrode, causing it to return to the airflow. If the specific resistance is too high, the dust particles reaching the dust collecting electrode are not easily released, and a voltage gradient is formed between the dust layers to cause local breakdown and discharge. These conditions will cause the dust removal efficiency to drop.

Category:

Dust Removal Equipment

产品详情


 

product description

The performance of electrostatic precipitators is affected by three factors: dust properties, equipment construction and flue gas flow rate. The specific resistance of dust is an indicator for evaluating conductivity, which has a direct impact on dust removal efficiency. The specific resistance is too low, and it is difficult for the dust particles to remain on the dust collecting electrode, causing it to return to the airflow. If the specific resistance is too high, the dust particles reaching the dust collecting electrode are not easily released, and a voltage gradient is formed between the dust layers to cause local breakdown and discharge. These conditions will cause the dust removal efficiency to drop.

 


 

Technical performance and characteristics

 

Reasonable structural design, improved dust removal efficiency
Ideal polar configuration Best air distribution plate design Reasonable cleaning device Improve dust removal efficiency. The use of 400-600mm wide pole pitch is uniform, the corona electric wind is strong, and the current density is large to curb the generation of anti-corona and improve the dust removal efficiency.
Ensure smooth cleaning, choose the best rapping mechanism and vibrating machine system to ensure that the anode plate and cathode line are kept in a clean state for a long time. Large-scale dust collector anode plate uses double-sided rapping, and the cathode system uses double-layer rapping rate.
 

 

Ideal form of distribution
The most ideal type of pole matching is adopted, that is, the combination of 480C anode plate and "BS" type thorn wire has the lowest halo voltage and maximum corona current to ensure the increase of dust concentration and the increase of specific resistance. When the electric field is closed and the back corona phenomenon is generated by the electric field, it can be suppressed by the strong and uniform electric field strength, so that the precipitator can operate normally.
Choose the best air distribution plate design and increase the opening ratio to reduce the running resistance. According to the American RSM standard design, the relative root mean square δ=0.2 is achieved, so that there is a high-quality uniform airflow state in the electric field.

 


 

working principle

The working principle of the electric precipitator is to form an electrostatic field by using a DC high-voltage power source to ionize the passing gas, and generate a large amount of positive and negative ions. Under the action of the electric field force, the positive and negative ions collide with the dust particles of the dusty gas and electrify it. Finally, it is adsorbed on the plate and then collected by vibrating.

 


 

Product atlas

 


 

Technical Parameters

Specification model CYEP-3 CYEP-5 CYEP-10 CYEP-12 CYEP-15 CYEP-20 CYEP-30
Nominal circulation area m2 3 5 10 12 15 20 30
Handling the amount of smoke m3/h 7020-11880 11770-19800 23400-39600 28080-47520 35100-59400 50400-86400 75600-129600
Operating temperature ℃ Above 20 ℃ above the dew point temperature Above 20 ℃ above the dew point temperature Above 20 ℃ above the dew point temperature Above 20 ℃ above the dew point temperature Above 20 ℃ above the dew point temperature Above 20 ℃ above the dew point temperature Above 20 ℃ above the dew point temperature
Inlet dust concentration g/m2 ≤80 ≤80 ≤80 ≤80 ≤80 ≤80 ≤80
Export dust concentration mg/m2 ≤100 ≤100 ≤100 ≤100 ≤100 ≤100 ≤100
Dust collecting pole form 480C template 480C template 480C template 480C template 480C template 480C template 480C template
Discharge form BS Cathode line BS Cathode line BS Cathode line BS Cathode line BS Cathode line BS Cathode line BS Cathode line
Motor speed m/s 0.65-1.1 0.65-1.1 0.65-1.1 0.65-1.1 0.65-1.1 0.65-1.1 0.65-1.1

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