Corona Treatment Station

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Discharge Station

Corona treatment station, also known as discharge station or discharge treater, is a crucial component of the corona treatment system, commonly used in the corona treatment for materials such as plastic films, metal foils, sheets, and paper. Sanxin offers various types of corona treatment stations for customers to choose from, including double-sided, single-sided, side-open, full-closed, semi-closed, and full-open discharge treaters.

Side-open Discharge Station for Four-side Treatment

Power: 40kW
Processing speed: 250m/min
Dielectric value (Dyne): ＞42
Equipped with 4 rollers & 4 electrodes
Matched with W&H film blowing machine for double-side treatment
Siemens PLC control
Corona roller coated with rubber
Corona roller with water cooling system
Aluminum electrodes
Automatic stop for electrode open protection.

Side-open Discharge Station for Double-side Treatment

Input Voltage: Three-phase AC 380V, 50Hz
Output Voltage: Adjustable, up to 15kV
Electrode: Aluminum, ceramic or segmented
Power: Adjustable, up to 30kW
Width: Adjustable
Speed: Adjustable
Corona Roller: rubber-coated, rubber-covered or oxidized

Side-open Discharge Station with Aluminum Frame

Input Voltage: Three-phase AC 380V, 50Hz
Output Voltage: Adjustable, up to 15kV
Aluminum electrodes
Available for double-side corona treatment
Corona roller coated with rubber
Corona roller with water cooling system
Corona roller matched with pressure roller to avoid backside corona treatment
Active corona roller matched with production line
Cylinder controlled air compression
Suitable for high-speed production line

Discharge Station for Wire and Cable

Input Voltage: single-phase 220V, 50Hz
Output Power: up to 2kW
Diameter of cable: up to φ15mm
High reliability with IGBT power switching module
Special ceramic electrode for better printing strength of wire and cable

Discharge Station for Piping

Input Voltage: Three-phase AC 380V±10%, 50Hz
Maximum Output Voltage: 15kV
Maximum Power: 9kW
Operating Frequency: 18-30kHz
Operating Temperature: -10℃- 40℃
Piping Dimensions: Customizable

Discharge Station for Aluminum Foil in Lithium-ion Battery

The discharge treater can make aluminum foil evenly coated with nano-conductive graphite and carbon-coated particles, which collect microcurrents from the active material and thus provide excellent static conductivity. This significantly reduces the contact resistance between the positive/negative electrode materials and the current collector. After corona treatment on the substrate surface, the adhesion between the substrate and the coating is improved, allowing for a reduction in the use of binders and leading to a significant improvement in overall battery performance.

Input Power: Three-phase 380V ±10%, 50Hz
Maximum Width for Treatment: 1,500mm
Maximum Speed for Treatment: 200m/min
1 station can be matched with 2 generators with the power of 8kW/10kW.
More than 12 stations can be equipped for a complete set of corona treater line.
Four sets of single-sided, double channeled ceramic electrodes on each station
Special structural design
Superior processing performance, achieving high Dyne values.

Discharge Station for Sheet Materials

This corona treatment machine is specifically designed for plastic sheets, metal sheets and paper. The treated materials pass through the discharge zone on a conveyor belt, which enhances their adhesive properties. By adjusting the knobs on the control panel, the conveyor belt speed and corona power intensity can be changed to meet different treatment requirements.

Conveying Belt Speed: 0-20m/min
Maximum Width for Treatment: 1200mm
Maximum Corona Power: 8kW
Minimum Longitudinal Length of Treated Material: 200mm

Discharge Station for Coating Machine

Input Voltage: Three-phase 380V, 50Hz
Output Voltage: Adjustable, up to 15kV
Operating Frequency: 15-40kHz
Maximum Width for Treatment: 1,500mm
Maximum Speed for Treatment: 200m/min
Total Power: 10kW-20kW
German-imported ceramic electrodes
Ceramic-coated, motor-driven corona roller with water cooling
Siemens PLC controlled
Communication port available
Compatible with ozone treatment machine

Discharge Station for Paper

Model: CW3002
Input Voltage, Frequency: 220V± 10%, 50/60Hz
Maximum Input Power: 2kVA
Operating Frequency: 19±1kHz
Effective Width for Treatment: 300-350mm
Adjustable Distance between Electrode and Treated Material: 0-6mm
Effective Front-to-Back Stroke: 400-800mm
Conveying Mode: ① Moving the electrode ② Moving the worktable
Electrode Material: Ceramic
Ozone Treatment Device Equipped

Corona Electret Discharge Station

The structure of the corona electret discharge station can be customized according to the customer’s production site. The entire equipment is designed to meet the different widths and production line speeds of the filtering materials.

Input Voltage: 380V, 50Hz
Input Current: 4A
Output Voltage: 100kV
Maximum Width for Treatment: 5,000mm
Equipped with winding and unwinding system
Corona treatment allows for better filtration of melt-blown nonwoven fabrics.

Discharge Station for Cups

Maximum Input Voltage: AC 220V, 50Hz
Maximum Input Current: 4A
The Voltage of Electrode: 10kV
Output Power: adjustable from 0kW to 1kW
Maximum speed: 500m/min
Application: surface treatment of the paper cup, plastic cup and plastic barrel.