INTORDUCTION
In the modern manufacturing industry, PUR (polyurethane hot melt adhesive) flat lamination line
is highly valued for its efficient bonding performance and environmental protection and a wide range
of applications. However, in the production process, the generation of static electricity and the dust
problems it brings often affect product quality and production efficiency. In order to solve this problem,
many companies began to use electrostatic spray dust removal technology of belt brush. This paper will
introduce the working principle, application advantages and practical precautions of this technology.
Working principle
During the operation of the plate in the PUR flat laminating machine, the friction between the conveying
row and the original dust on the surface of the plate will produce static electricity, which will not only
adsorb the dust, but also may have a negative impact on the adhesion and bonding of the product.
In order to solve this problem, the belt brush electrostatic spray dust removal technology came intobeing.
The core of this technology is the combination of belt brush and automatic electrostatic water spraying
two functions. The brush removes dust from the surface of the belt through physical contact, and the
spray system sprays a small amount of electrostatic water mist on the brush surface to further clean the
surface and reduce dust generation. In the specific operation, the spray of water is sprayed on the brush,
and the brush will take away the dust attached to the surface, so as to achieve efficient dust removal
effect.
Application advantage
Effectively improve product quality: By removing static electricity and surface dust, the bonding effect
of the PUR laminating machine is significantly improved, ensuring the quality and appearance of the
final product.
Increased production efficiency: Removal of static electricity and dust reduces line downtime and cleaning
frequency, thereby increasing overall production efficiency.
Environmental protection and safety: Compared with the traditional dust removal method, the spray
dust removal technology is more environmentally friendly, reducing the use of chemical cleaners, and
the spraying of electrostatic water also helps to control static electricity and ensure the safety of the
production environment.
Maintenance equipment: The combination of brush and spray system can effectively reduce the
accumulation of dust on the surface of the equipment, extend the service life of the equipment, and
reduce the frequency of maintenance and replacement of parts.
Precautions for actual operation
In practical applications, the belt brush electrostatic spray dust removal technology of PUR flat
laminating machine should pay attention to the following aspects:
Equipment selection: Select the appropriate brush and spray system according to the production requirements.
The tension of the belt should not be adjusted too tightly to avoid damage to the belt.
Installation position: The installation position of the brush and spray system should be rationally arranged
to ensure that the spray can cover the entire brush working area to achieve the best dust removal effect.
Regular maintenance: Check the working status of the brush and spray system regularly to ensure its
normal operation. The wear degree of the brush should be replaced in time to maintain a good dust
removal effect.
Water quality management: The water used in the spray system should be kept clean to avoid secondary
pollution caused by water quality problems. Clean the spray system regularly to ensure uniform spray.
Operation training: Necessary training for operators, so that they understand the principle of electrostatic
dust removal technology and operation points, to ensure the effective use of equipment.
conclusion
The belt brush electrostatic spray dust removal technology used in PUR flat laminating provides an
efficient and environmentally friendly solution for modern manufacturing industry. By effectively removing
static electricity and dust, it not only improves product quality and production efficiency, but also
reduces safety risks. With the continuous progress of technology, the technology will continue to
develop in the future, providing stronger support for the sustainable development of the manufacturingindustry. Enterprises that adopt this dust removal technology will occupy a favorable position in the
fierce market competition and promote the progress and innovation of the entire industry.
