Non woven meltblown fabric discharge station equipment (static motor)

Non woven meltblown fabric discharge station equipment (static motor)High power frequency operation can work 24 hours a day, with stable output, strong electrostatic field, oil immersed insulation cooling, imported core electronic components, fully self-produced transformers, years of experience in high-voltage equipment production, providing strong quality assurance. Our factory has strong production capacity and fast delivery time, which can fully meet customer order requirements. Our 30-year professional experience is trustworthy!

Suitable for melt blown fabrics, batch flocking, etc.

Product Introduction:

Non woven meltblown fabric discharge station equipment (static motor)It is a processing equipment designed specifically for improving the filtration efficiency of melt blown non-woven fabric filter materials.

This device consists of two parts:

1) Electrostatic generator host

2) Step up transformer

Electrostatic polarization effect:

After electrostatic polarization treatment, the meltblown fabric increases electrostatic adsorption during air filtration. It can directly attract charged particles and capture them by Coulomb force, or induce neutral particles to produce polarity and capture them. This can more effectively filter submicron particles in gas, greatly enhancing filtration efficiency without increasing air resistance.

Main parameters:

Input voltage: AC: 220V

principle

Electrostatic precipitator utilizes the effect of an electrostatic field to charge and adsorb suspended dust particles in a gas, and separate them from the flue gas to remove them. This is the main aspect of electrostatic applications, which can be used for flue gas dust removal in various factories. The structure of the electrostatic dust removal device is: the rod-shaped or filamentous high-voltage discharge electrodes are insulated at both ends and suspended between the grounded flat plate dust collection electrodes or on the axis of the grounded cylindrical dust collection electrode. Negative high voltage is applied to the high-voltage discharge electrode. When the corona initiation voltage is reached or above, a purple light spot appears on the surface of the high-voltage electrode, and a hissing sound is emitted. When gas containing dust or smoke is introduced, particles such as dust and smoke are directly charged due to the action of negative ions. Under the action of the electric field, they are adsorbed on the dust collection electrode and accumulated, and the purified gas is extracted from it. The accumulated dust falls off when tapping the dust collector and needs to be removed. Compared with general dust removal methods such as centrifugal force separation, cleaning, and filtration, electrostatic precipitators have higher dust removal efficiency, generally reaching over 95%, and some reaching over 99%. It can capture particles larger than 0.01 microns, with a wide range of dust removal particle sizes, and the dust can be dry or wet. The pressure loss of the device is relatively small, usually 10-20 millimeters of water column. It is easy to maintain and costs less. It can handle corrosive gases or dust and can be subjected to high-temperature exhaust treatment, generally up to 350 ℃. Special designs can reach up to 500 ℃; Low power consumption and large gas processing capacity. For a thermal power plant with a generation capacity of 1 million kilowatts, the processing capacity of flue gas can reach several million cubic meters per hour. But for devices with small gas processing capacity, the initial cost is higher; For various types of dust, dust removal conditions must be adjusted, and explosion-proof measures must be taken when dealing with combustible gases.

classification

Electrostatic dust removal can be divided into dry, wet, and mist types according to the particle processing method. It can be divided into vertical and horizontal types according to the direction of airflow. According to the shape of the dust collection electrode, it can be divided into cylindrical and flat plate types. Generally, negative corona discharge is used, which has a higher flashover voltage and can increase the applied voltage, which is beneficial for improving dust removal efficiency. The dust removal efficiency is related to various factors such as electrode shape and size, dust properties, applied voltage and current, gas flow rate and flux, and re flying. The most difficult task in electrostatic precipitators is to handle high resistivity dust larger than 5 × 1010 ohms, as it can easily cause anti ionization and re flying phenomena. Generally, measures such as adding additives, a three electrode system, a pulse power supply, and a wide electrode spacing can be used to improve it. Someone has achieved good results by superimposing a pulse voltage of about 25 kV on a DC voltage. Electrostatic sorting is the selective separation of various solid materials by utilizing the electrostatic force of a strong electric field on charged or polarized materials. All kinds of sorting equipment have the following two basic parts.

① Charged mechanism: to ensure that the charge distribution of the solid material to be sorted meets the following conditions: firstly, two different types of solid particles enter the sorting zone with opposite numbered charges, so that the electric field forces in opposite directions separate the two; Secondly, when two different types of particles enter the sorting area, only one particle is significantly charged, or although they carry the same number of charges, their charges are significantly different, and the two are separated by the large difference in electric field force; Thirdly, different types of particles entering the sorting zone are polarized, resulting in significantly different dipole moments that separate them. The ways to charge particles can be through contact or friction, ion or electron collision, and induction. The power supply in the sorting device is generally high voltage direct current, with a voltage range of 10-100 kV, which can provide an electric field for charging particles and apply the required force to particles during sorting.

② Particle orbit adjustment device: used to adjust the force and duration of action on particles, so that different particles have different orbits within a predetermined time. In the device, not only electric field force but also gravity, centrifugal force, or frictional force can be utilized.

Sorting equipment can be divided into contact electrification and free fall sorting machines (suitable for sorting two types of media materials) according to the different feeding systems and product collection systems; Ion collision charging and high-voltage sorting machine (can separate good conductors from non conductors); Induction electrification and conduction sorting machine (suitable for sorting good conductors from good insulators). Electrostatic sorting technology has been successfully applied in many aspects such as smelting and beneficiation, grain purification, fiber selection, and product screening. In fact, electrostatic precipitator is also a type of sorting.

electrostatic spray

Using electrostatic adsorption to apply polymer coating particles onto grounded metal objects, and then sending them into an oven to form a uniformly thick coating. The corona discharge electrode charges coating particles with a diameter of 5-30 microns. Under the action of conveying air force and electrostatic force, the coating particles fly towards the coated object. The adsorption force between the charge carried by the particles and the induced charge on the coated object firmly attaches the coating to the coated object. Generally, after 2-3 seconds, the coating can reach a thickness of 40-50 microns.

workmanship

The charging, flying and coating of coating particles are important processes in electrostatic spraying technology, which determine the quality and efficiency of the electrostatic spraying system. ① The electrification of paint particles. The coating is charged by ion bombardment near the corona discharge electrode, and the amount of charge is a function of the electric field strength near the electrode and the velocity of particles passing through this area. The charging performance of coating particles is usually described by the charge to mass ratio (Coulomb/kg). In order to achieve firm suction, the average charge to mass ratio should be 5 × 10-4 coulombs/kg. ② Transfer of paint. After the coating is charged, it flies to the coated object under the action of conveying air, and finally adsorbs its surface by electrostatic force. For any spraying system, high transfer efficiency is desired, which is related to the nozzle voltage and coating flow rate, and must be comprehensively considered in actual operation. Electrostatic spraying technology is widely used in the production of instruments and electrical equipment for strengthening insulation, external protection of components, and external insulation of conductors.

utilize

Electrostatic spray painting is a process in which the paint mist sprayed from a spray gun is charged under the action of a high-voltage electrostatic field. This charged paint mist adsorbs onto the surface of the workpiece with a different number of charges and deposits into a uniform coating. The utilization rate of electrostatic spraying paint is very high, reaching about 80-90%. Mainly used in industries such as automobiles, machinery, and household appliances.

The electrostatic spray and electrostatic powder sprayer for pesticide spraying are equipped with electrostatic sprayers, which use hundreds to thousands of volts of high-voltage DC power supply to power on the sprayers to charge the liquid medicine or powder particles, while the control target generates charges of opposite polarity by electrostatic induction, thus making the liquid medicine or powder particles rush to the control target under the action of electrostatic field. The use of static electricity can significantly improve and reduce the loss of pesticides and environmental pollution, and can spray pesticides on the back of the target to enhance the prevention and control effect.