Powder Coating Line Equipment Systems
KT Machinery builds complete powder coating line solutions for furniture, cabinets and electrical enclosures, aluminum profiles, guardrails, metal hardware, and other industrial products.
Available Equipment Range:
Equipment modules can be combined into a complete powder coating line according to workpiece type, production rhythm, and plant conditions.
Clear Equipment Views for Real Production Planning
Each equipment category is presented with real line views, equipment structures, process routes, and installation details. The layout uses landscape image modules to show the full picture without cropping key information.
Main Equipment View
Full appearance, size proportion, and line layout direction.
Project Site View
Workshop scale, conveyor route, and operating space.
Structural Detail View
Oven body, booth, recovery system, conveyor, and control details.
Process Flow View
Workpiece movement, hot-air circulation, powder recovery, and exhaust treatment route.
Curing and Baking Systems
Different oven types are suitable for different workpiece sizes, production speeds, workshop spaces, and energy conditions. KT Machinery configures curing and drying systems according to real production needs and integrates them with pretreatment, powder booths, and conveyors to form a stable, continuous process loop.
Multi-Line Bridge Curing Oven
Designed for high-volume continuous production. It can be integrated with immersion pretreatment, powder booth, cooling area, unloading area, and packing section to form a complete automated line.
Features:
- The multi-line bridge curing oven integrates moisture drying and powder curing into one line. After immersion pretreatment, the workpiece can be conveyed directly by chain into the drying oven for moisture removal, then into the powder booth for surface coating, then into the curing oven for curing. After that, it passes through the cooling area to return to room temperature and is conveyed to the unloading area for packing and shipment.
- Advantages: It combines environmental protection, energy saving, and high efficiency. The system uses hot-air circulation to achieve drying and curing. It is suitable for mass production and can be connected with different pretreatment and powder booth systems, making automated flow-line operation easier and improving labor productivity.
Straight-Through Bridge Curing Oven
Features:
- The straight-through bridge curing oven is mainly designed as a powder curing oven body for extra-long workpieces and related products that can be designed with process holes.
- Advantages: It has clear advantages in energy consumption.
This oven type is well suited for continuous pass-through production of long workpieces. It can be combined with overhead conveying, oven insulation, and hot-air circulation design to improve coating and curing efficiency for long profiles, guardrails, pipes, and similar products.
Straight-Through Horizontal Curing Oven
Features:
- The straight-through horizontal curing oven is a baking oven designed mainly for powder or paint curing of long workpieces without process holes, such as aluminum profiles and guardrails.
- Advantages: Easy hanging, with a clean and neat appearance.
Tunnel Curing Oven
Features:
- The tunnel drying oven is a tunnel-type mechanical system that completes baking through heat conduction, convection, and radiation. The heating elements are arranged reasonably, and energy consumption is low. This oven body is usually long, with a minimum length of 6 meters and a possible length of 60–80 meters. The baking chamber is a long and narrow tunnel, generally 80 cm to 140 cm wide.
- Advantages: Suitable for small parts and products that are not easy to hang.
Gas-Fired and Electric Batch Box Ovens
Gas-fired and electric batch box ovens suit different energy conditions and production scales. They can be used for sample testing, small-batch production, and curing of large workpieces with low volume and multiple colors.
Gas-Fired Batch Box Oven
Features:
This batch box oven uses natural gas, liquefied gas, or gas fuel as the heating source. It is suitable for factories producing large workpieces with low volume and multiple colors.
Advantages: Small footprint, fast heating, convenient operation, quick installation, wide applicability, and low construction cost.
Electric Batch Box Oven
Features:
This batch box oven uses electric heating and is mainly used for sample testing and small-batch workpiece curing.
Advantages: Low manufacturing cost, convenient transportation, and short installation cycle.
Pretreatment Systems
Pretreatment is the foundation of coating adhesion and appearance stability. The pretreatment method can be matched according to workpiece structure, dead corners, hollow sections, surface oil conditions, and automation requirements.
Immersion Pretreatment
Features:
- Immersion pretreatment completes the process by fully immersing the workpiece in the treatment tank.
- Advantages: Low energy consumption, with advantages for products with many dead corners or hollow pipes.
Spray Pretreatment
Features:
- Spray pretreatment is convenient and fast, and can realize automated operation.
- Advantages: It can support fully automatic line operation, saving labor and treatment liquid while maintaining stable quality and avoiding secondary pollution.
Basket-Type Pretreatment
Features:
- Basket-type pretreatment is designed for complex and diverse workpieces. It can process parts that automatic spray pretreatment cannot handle and has a wide application range.
- Advantages: It can clean large and complex hollow products and is suitable for many industries.
Powder Booth and Powder Recovery Systems
Powder booths and recovery systems directly affect powder utilization, workshop cleanliness, and color-change efficiency. KT Machinery can configure cyclone recovery, cartridge filter recovery, or quick color-change booth solutions according to color quantity, color-change frequency, powder type, and production rhythm.
Large Cyclone Powder Booth
Large Cyclone Recovery System Features:
- Uses a high-efficiency large cyclone separation device, with single-pass separation efficiency up to 97%.
- The booth can be made of stainless steel, PP engineering plastic board, PVC engineering plastic board, or single/double-layer sandwich structure.
- The booth bottom cleaning system is mainly equipped with a pulse air-knife cleaning device.
- Uses high-quality, long-life nano-coated filter cartridges, with service life up to several years.
- Suitable for coating production environments with frequent color changes.
Sandwich Quick Color-Change Booth with Large Cyclone Recovery System
Sandwich Quick Color-Change Booth with Large Cyclone Recovery System Features:
- Single-pass powder separation efficiency can reach around 97%, helping save powder.
- The booth uses a PP or PVC sandwich structure. It is anti-static, does not absorb powder, and reduces powder consumption.
- Uses automatic flap plus air-knife pulse cleaning to reduce powder accumulation inside the booth and recover powder for timely reuse.
- Open external manual touch-up platform provides a large working range, convenient movement, good visibility, and helps prevent powder from reaching the operator’s face or spilling outside.
- Uses imported nano-coated filter cartridges that can capture dust above 0.3 microns, effectively filtering emissions and supporting indoor exhaust.
- Suitable for multi-color production environments with frequent color changes.
- Color-change time can be controlled within 20 minutes.
Single-Stage Cartridge Filter Booth
Main Advantages of Single-Stage Cartridge Filter Recovery:
- Nearly 99% powder recovery and reuse rate, helping factories effectively control production cost.
- The powder recovery path is shortest, effectively reducing powder quality degradation.
- The fan power is relatively small, resulting in lower energy consumption.
Small Cyclone Powder Booth
Bottom Pipe-Type Recovery Small Cyclone Booth Schematic
Main Advantages of Small Cyclone Separators:
- In earlier applications, large cyclone recovery efficiency was low, while small cyclones became widely used because of their higher separation efficiency.
- The small cyclone has a compact overall structure, occupies little space, and adapts to a wide range of environments.
Inline Cartridge Filter Powder Booth
As one of the earliest booth types to be applied and promoted, the cartridge filter recovery booth is still widely used today.
With technological development and innovation in application, a series of new structural combinations have been introduced to better adapt to factory production needs and meet various line configuration requirements.
Automatic Spraying and Water Curtain Spray Booth
Through equipment structure, workpiece movement, and site application combinations, this section shows suitable scenarios, coating effects, operation requirements, and maintenance needs of different spraying methods.
Disk “Ω” Automatic Spraying
Disk “Ω” Automatic Spraying Features:
- This equipment is used for paint spraying. It adopts a rotary spraying method, and the workpiece also rotates during operation.
- Advantages: Low paint output, high paint transfer rate, good leveling effect, and suitability for furniture, home furnishings, metal hardware, and similar workpieces.
Inline Water Curtain Spray Booth
Water Curtain Booth Features:
- The water curtain booth directs remaining paint mist or paint powder generated during spraying directly into the water tank or onto the water curtain surface. Odor and small amounts of unabsorbed paint powder generated during spraying pass through multiple layers of water curtain filtration and are then discharged by the exhaust fan to environmental treatment equipment. This helps purify the spray-painting work environment, protect operator health, and improve the smoothness of the painted workpiece surface.
Advantages:
- The water curtain booth is simple to operate, stable, and safe. It is mainly used in spray-painting workshops across many industries.
From Workpiece Evaluation to Line Installation
With workpiece size, weight, material, output target, color quantity, color-change frequency, workshop layout, and local energy conditions, KT Machinery can evaluate pretreatment, powder booth, powder recovery, curing oven, conveyor, and electrical control configurations and develop a complete line plan for real production.
Workpiece drawings, workshop drawings, output targets, and coating requirements can be combined for equipment selection, layout planning, and process parameter configuration.
From solution communication, equipment manufacturing, installation, and commissioning to operator training and after-sales support, KT Machinery supports stable production.
Send Workpiece Size and Workshop Layout for a Complete Powder Coating Line Plan
Please send workpiece size, weight, material, output target, color quantity, color-change frequency, energy conditions, and workshop layout. Based on this information, the pretreatment system, powder booth, recovery system, curing oven, conveyor, and electrical control plan can be configured.
Send workpiece information and workshop layout by email or WhatsApp, and the engineering team will evaluate the complete line solution.
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