Chrome Plating Line for Metal Parts
The chrome plating line manufactured by LLC "STARTEC INDUSTRIES" is designed for applying chromium coatings to parts loaded into the process tanks in a vertical position. The line is designed in a single-row configuration.
The line operates from a 380 V / 50 Hz power supply. Required water supply pressure is 0.2–0.4 MPa. The line reaches operating conditions within a maximum of 4 hours. The operating temperature range is from +15 to +35 °C. Climatic execution according to GOST 15150-69 is UHL, category 4.2. Protection class against electric shock according to GOST 12.2.007.0-75 is Class 1.
Line Configuration
- Process tanks with complete equipment.
- Stainless steel convection dryer with thermal insulation and forced air circulation – 1 pc.
- Reverse osmosis system.
- Electrical equipment.
- Exhaust ventilation system.
- Metal structures.
- Auxiliary equipment.
Electrical Equipment
| Description | Quantity / Specification |
|---|---|
| Chrome plating line control cabinet | 1 pc. |
| Scrubber control cabinet | 1 pc. |
| 12 V 1200 A rectifier with reverse unit | 1 pc. |
| 12 V 1800 A rectifiers with reverse unit | 3 pcs. |
| Electric heaters | Titanium heating elements |
| Temperature and level sensors | Yes |
| Current conductors for chrome plating tanks | 2 sets |
| Electrical cable installation kit | 1 set |
| Grounding system | 1 set |
Process Tanks
The line includes 15 process tanks. Chrome plating tanks are manufactured from titanium and equipped with thermal insulation and a PVC protective casing. Hot rinse, cold rinse and rectifier cooling tanks are manufactured from polypropylene (PP) or polyvinyl chloride (PVC). Electrochemical degreasing, pickling, chrome stripping, drag-out recovery, anode and emergency drain tanks are manufactured from PVC.
| No. | Tank Description | Quantity | Internal Dimensions, mm | Material | Temperature | Equipment |
|---|---|---|---|---|---|---|
| 1 | Electrochemical degreasing tank with oil separator filter | 1 pc. | 800×800×1800 | PVC | 80 °C | Electric heater, temperature sensor, level sensor, drain outlet, water supply, side exhaust, 12 V 1200 A rectifier with reverse unit, process cover |
| 2 | Hot rinse tank | 2 pcs. | 800×800×1800 | PP or PVC | 80–90 °C | Electric heater, temperature sensor, level sensor, overflow system, drain outlet, water supply, side exhaust, process cover |
| 3 | Cold rinse tank | 2 pcs. | 800×800×1800 | PP or PVC | 16–25 °C | Overflow system, drain outlet, water supply |
| 4 | Two-stage cold rinse tank | 1 pc. | 1600×800×1800 | PP or PVC | 16–25 °C | Overflow system, drain outlet, water supply |
| 5 | Pickling tank | 1 pc. | 800×800×1800 | PVC | 16–35 °C | Drain outlet, water supply, side exhaust, process cover |
| 6 | Chrome stripping tank | 1 pc. | 800×800×1800 | PVC | 16–25 °C | Water supply, side exhaust, 12 V 1800 A rectifier with reverse unit, process cover |
| 7 | Chrome plating tank | 1 pc. | 800×800×1800 | Titanium, thermal insulation, PVC casing | 47–71 °C | Titanium electric heater, temperature sensor, level sensor, side exhaust, air agitation, 12 V 1800 A rectifier with reverse unit, process cover |
| 8 | Chrome plating tank | 1 pc. | 800×800×1000 | Titanium, thermal insulation, PVC casing | 47–71 °C | Titanium electric heater, temperature sensor, level sensor, side exhaust, air agitation, 12 V 1800 A rectifier with reverse unit, process cover |
9Drag-out recovery tank1 pc.800×800×1800PVC16–25 °CDrain outlet, process cover10Rectifier cooling tank1 pc.800×800×1800PP or PVC16–25 °CTemperature sensor, overflow system, drain outlet, water supply11Anode tank1 pc.800×800×1800PVC-Drain outlet, water supply12Anode tank1 pc.800×800×1800PVC-Drain outlet, water supply13Mobile two-section emergency drain tank1 pc.1800×900×1800PVC-Process cover
Additional Tank Equipment
The tank heating method is electric heating. All heating elements are manufactured from titanium. Process covers are provided on the electrochemical degreasing, hot rinsing, chrome plating, pickling, chrome stripping, drag-out recovery and emergency drain tanks. Side exhaust systems are installed in accordance with the technological requirements of the line. Ball valves are manufactured from PVC, PP or PVDF.
Metal Structures
The metal structures include a tank support frame, personnel access walkway, access stairs and safety handrails. All structures are manufactured from corrosion-resistant materials or protected with corrosion-resistant coatings. The walkway frame is manufactured from profile tubing with dimensions not less than 40×40×3 mm. The walkway surface is made of non-conductive material with drainage openings and is removable for cleaning and maintenance. The tank support frame is manufactured from profile tubing with dimensions not less than 60×40×3 mm and is equipped with adjustable supports.
Exhaust Ventilation System
- Side exhaust ventilation units.
- Main exhaust duct running along the entire line.
- Rigidly mounted air ducts.
- Airflow and pressure regulation devices for individual tanks.
- PVDF damper valves.
- Connection to the independent main exhaust duct.
- Scrubber for filtration of vapors, aerosols and gases complete with a control cabinet.
- Industrial exhaust fan.
Auxiliary Equipment
- Oil separator filter for the electrochemical degreasing tank.
- Rotameter – 1 pc.
- Ball valve installed on the water supply pipeline.
- Water supply pipeline.
- Wastewater drainage pipeline (industrial sewer system).
- Ball valves manufactured from PVC, PP or PVDF.
- Installation kit including fittings, tees, elbows and clamps.
- Connection point for a flexible water hose for servicing the line and adjacent area.
Scope of Supply and Documentation
The scope of supply includes installation, commissioning, personnel training for operation and maintenance of the equipment, as well as preparation of technical documentation in the Ukrainian language.
The technical documentation package includes an equipment passport, operation manual and electrical diagram. The equipment passport specifies the country of origin, manufacturer, model, serial number, production date, main technical characteristics and equipment configuration.
