JH type integrated high-voltage electrostatic precipitator

The JH type collective high-voltage electrostatic precipitator has always been the main equipment for dust capture, recovery, and gas purification due to its advantages of low pressure loss, low maintenance costs, and low power consumption. It is the main and universal dust collection equipment for dust and smoke in the production process of building materials and other industries. Suitable for dust collection and removal in industries such as cement raw materials, clinker mills, cement raw material dryers, industrial and heating coal-fired boilers, and blast furnaces in the building materials department. This product is a new type of dust removal equipment that has been improved and innovated on the basis of ordinary electrostatic precipitators.

The working principle of JH type integrated high-voltage electrostatic precipitator is that the dusty gas enters the equipment from the top air inlet and passes through the cyclone separator at high speed. The high-voltage electrostatic precipitator rotates the dusty gas downward along the axis at high speed, using centrifugal force to remove coarser particles of dust. The high-voltage electrostatic precipitator controls the initial dust concentration entering the electric field. Then, the gas from the high-voltage electrostatic precipitator enters the electric field through the lower ash hopper. Due to the cross-sectional area of the lower ash hopper being several times larger than that of the inner pipe, according to the principle of constant rotation torque of the high-voltage electrostatic precipitator, the radial and axial wind speeds sharply decrease to produce a zero velocity interface, causing the heavy particulate dust in the inner pipe to settle in the lower ash hopper and reduce the concentration of dust entering the electric field. The low concentration dust containing gas is collected by electrostatic precipitator and condensed on the anode and cathode plates. The collected dust is transported away by the locking and discharging device after being cleaned and vibrated by the high-voltage electrostatic precipitator. In order to prevent secondary dust formation in the lower ash hopper after the cyclone inside the high-voltage electrostatic precipitator and the electric field plate vibration, isolation cones are specially installed in the lower ash hopper.

The JH type collective high-voltage electrostatic precipitator can be laminar or turbulent flow. The trajectory of dust particles under laminar flow conditions can be regarded as the vector sum of airflow velocity and driving velocity. Only when dust particles accidentally enter the laminar boundary zone where Coulomb force can act, can they be captured. At this point, the dust particles passing through the electrostatic precipitator cannot choose their path of movement, nor can they choose the location where they enter the boundary zone. It is highly likely that they will directly pass through the electrostatic precipitator without entering the boundary layer. In this case, it is obvious that dust particles cannot be collected by the dust collector. Therefore, whether dust particles can be captured should be considered a probability issue. For a single particle, the dust collection efficiency is either zero or zero, and the probability of capturing dust particles in electrostatic precipitators is the dust collection efficiency.

The JH type collective high-voltage electrostatic precipitator is a secondary dust removal equipment used in cement industry dryers, suitable for dust removal of clay, coal, iron powder, slag, etc. It consists of four vertical metal cylindrical bodies as the main part of electrostatic dust collection. The inner wall of the cylinder is equipped with multiple umbrella shaped dust collection electrodes without a top, and the center of the cylinder is equipped with a spike corona wire. A spring protection device is installed at the connection between the corona wire and the bottom. This structure of the dust collector does not produce secondary dust, and the dust collection efficiency reaches 90%. It also has a long service life and good dust collection effect.