The ionization zone consists of a discharge electrode (ionization wire) and an electrode. When a DC high voltage (positive voltage) is applied to the discharge electrode, a corona discharge phenomenon occurs on the surface of the discharge electrode. When the dust particles in the air pass through the ionization region, the dust particles obtain a charge, and the larger the particle size, the more the charge amount is.
Electrostatic dust removal electronic air purification device

The ionization zone consists of a discharge electrode (ionization wire) and an electrode. Apply DC high voltage (positive voltage) to the discharge electrode, and discharge the surface of the electrode to produce corona discharge.

When the dust particles in the gas pass through the ionization zone, the dust particles acquire electric charge, and the larger the particle size, the more the charge amount is.

The downstream of the ionization zone is a dust collection zone. The dust collection zone consists of multiple sets of parallel high voltage plates and ground plates. The positive and negative plates are placed in parallel to produce a uniform electric field. band

The positively charged dust particles enter the uniform electric field as the air flows, are repelled by the anode plate, and are quickly attracted to the negative dust collecting plate of the electrostatic filter.
The electrostatic precipitator is designed to flow horizontally through the airflow for easy installation in HVAC systems and central air conditioning systems.

The electrode design of the electrostatic precipitator uses a pressed aluminum plate as a dust collecting electrode. The structure is more flexible and can be assembled into various sizes and specifications.

The cross-sectional area of ​​the dust collector can range from a few square meters to several square meters.

The electrostatic precipitator separates the dust charge and separation into two space areas, which is suitable for dust removal of high specific resistance dust, can prevent back corona, and has small body size.

, metal consumption is small, power consumption is small and so on.

Working principle The electrostatic precipitator adopts a two-stage design. The electric field in the ionization zone is designed as a non-uniform electric field to generate corona ionized air, which is mainly charged to the dust particles in the air;

The electric field in the dust zone is designed as a uniform high-voltage electrostatic field, which adsorbs and collects the charged particles.

The design of the electrostatic precipitator is based on the Dodge equation and optimizes the electric field strength and current density of the electrostatic precipitator, taking into account the current density of the electric field.

, electric field strength, charge of dust particles in each particle size section, dust removal efficiency, total dust removal efficiency and other parameters, and comprehensive consideration of airflow uniform conditions, airflow detour, and helium

The influence of two factors such as dust on the dust removal efficiency.

Main air purification technology;

The electrode (ionizing wire) is designed with a positive voltage.
The discharge electrode of the electrostatic precipitator is designed with a negative voltage, and the generated negative ions move at a higher speed than the positive ions. Under the same voltage, the negative corona can produce a higher

Corona current, and its breakdown voltage is also much higher. However, in the negative voltage corona, it also produces more ozone molecules, which is only suitable for ozone concentration requirements.

High industrial electrostatic precipitator.

The electrode of the electrostatic precipitator selects a positive voltage, which can effectively reduce the amount of O3 and NOX and avoid secondary pollution, and is more suitable for application in an air conditioning system.

The high ionization area electric field is designed to ensure the dust removal efficiency of the electrostatic precipitator, and the particle driving speed is reasonably selected. The electric field strength and current density of the ionized region are calculated according to the Dodge equation.

Considering the requirements of the electrodes for insulation, the field strength between the electrodes is designed to be 4 kV/cm, which makes the corona effect optimal.

The high field strength dust collecting pole design is designed to collect the positive and negative plates, which are perpendicular to the ground plane. The positive and negative plates are staggered side by side, and the insulator is kept at a certain interval to ensure a certain interval.

The anode plate wire is insulated from the cathode plate and the negative plate is grounded.
The design voltage applied between the positive and negative plates by the dust collecting section is 10 kV/cm.

The anode voltage of the dust collecting section of the double voltage power mode is taken from the midpoint of the voltage doubler rectifier, so the applied voltage of the dust collecting section is equal to 1/2 of the voltage of the discharge line of the ionization section. Due to the yang of the dust collecting section

The plate is plate-shaped and does not generate corona discharge. Therefore, shortening the spacing between the positive and negative plates can improve the dust collecting effect.

Characteristics of electronic dust purification products
1. Significantly reduce the dust inside the building and introduce fresh air to ensure the cleanliness of the building system;
2. The dust collecting electrode can be reused for a long time after cleaning, and the maintenance cost is low;
3. The electronic dust removal device has small air resistance, adopts a unique symmetrical plate structure, and the static pressure requirement of the resistance ventilator is low, thereby reducing the equipment and operation cost of the air conditioning system;
4, the dust collector plate modular design, can be combined into a variety of specifications, flexible for each space;
5, using electronic high-voltage generator, stable operation;
6, using excessive dust-proof design, the maintenance cycle interval is relatively long;
7. Advanced control system, which can realize comprehensive management and compatibility with building control system.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn

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