The electrostatic dust removal machine for blow-molded trays operates on the principle of electrostatic neutralization, reducing the adhesion of dust to the product. Below, the editor from Dongguan Sirei will analyze: Why is electrostatic neutralization necessary?Where do the foreign objects on the blow-molded tray come from and where do they go?
Why is the working principle of the dust removal machine based on electrostatic neutralization?What is Electrostatic Neutralization?
An analysis must be conducted from various aspects, including the material of the pallets and the production environment.
1. Pallet Material: The material of the pallet, also known as sheet material, is called hard sheet or film. Common types include: PET (polyethylene terephthalate) hard sheet, PVC (polyvinyl chloride) hard sheet, and PS (polystyrene) hard sheet. Overall, it is a plastic material that is an insulator. The better the insulating properties of the material, the more likely it is to generate static electricity. The physical characteristics of static electricity include attraction and repulsion.
2.静电 Generation: As analyzed above, the blister material being an insulator is prone to static electricity generation: during the film stripping, blister molding process, tray friction, etc.
3. Tray Production Environment: With the increasing demand for cleanliness in recent years, plastic molding factories have been placing more emphasis on production environments and dust removal. However, investing in production environments is not a small expense; for instance, a Class 1000 clean room costs about 1,500 yuan per square meter. Even in Class 1000 or Class 100 clean rooms, there are still debris and fibers from cutting, such as shavings and lint. For general production environments, factors like hair and fabric fibers from workers, and a large amount of suspended dust in the air, all affect the cleanliness of the plastic trays.
Most instances of foreign objects on blow-molded trays are due to static electricity on the surface, which attracts dust, fibers, debris, and other foreign matter from the environment.
Why Dust Removal Pallets Use Electrostatic NeutralizationHow to Neutralize?
Utilizing a significant amount of neutralizing agents is to reduce the adhesion between foreign substances and the trays. How to neutralize?The Dongguan Sirui dust collector for trays is equipped with 4 static bars, which utilize a high-voltage generator and discharge needles (ion tungsten needles) to produce a high-voltage corona discharge. This discharge ionizes the air into a large number of positive and negative ions, which are then sent to the tray surface by ion pulses to neutralize static electricity and assist in dust removal.
How to DustHow to collect dust?
After electrostatic neutralization, the adhesion of dust to the tray surface is reduced. High-pressure vortex air elevates the dust, and the centrifugal turbine fan's negative pressure collects the dust. The dust collection method is configured according to the user's requirements, removing visible and movable foreign objects adsorbed by static electricity.90%Left and right.
