Boiler Tube Plant
Straightening Machines
| technical data: |
| manufacturer: | KOCKS |
| type: | RM 170 3/3 |
| outside diameter range: | 21.3 – 168.3 mm (0.839 - 6.625 in) |
| straightening load: | max. 1250 kN (140 tons) |
| drive power: | 2 x 140 kW |
| technical data: |
| manufacturer: | KOCKS |
| type: | RM 133 3/3 |
| outside diameter range: | 21.3 – 133.0 mm (0.839 - 5.236 in) |
| straightening load: | max. 750 kN (84 tons) |
| drive power: | 2 x 68 kW |
Non Destructive Testing
combined eddy-current test and flux leakage inspection
| technical data: |
| manufacturer: | Institut Dr. FÖRSTER |
| type: | defectomat CP and HS-Rotomat |
| detection capabilities: | Flaws on the outside and inside surface. |
| outside diameter range: | 21.3 – 168.3 mm (0.839 - 6.625 in) |
| inspection speed: | max. 2 m/sec (6.6 ft/sec) |
Final Sawing
Three - super-speed steel cold saws cut the pipes into the final lengths.
| technical data: |
| manufacturer: | WAGNER |
| type: | vertical cold saw |
| diameter of blade: | 1320 mm (4.3 ft) |
| length range: | 4000 – 18000 mm (13.1 - 59 ft) |
| drive power: | 16 kW |
Finishing
In this division of the boiler tube finishing department, the pipes are prepared for shipping in accordance with the order requirements.
Systems:
- Vertical sample saw
- Manufacturer: WAGNER
- Bevelling
- Manufacturer: KOMA
- Pipe Straightening
- Manufacturer: STOMMEL& VOSS
- Pipe marking device (REA-Jet)
- Manufacturer: WOLF SIGNIERTECHNIK
- Pipe coating
- Manufacturer: NORDSON
- Bundling and weighing station
- Manufacturer: SCHMITZ & SÖHNE / SCHEMBER
Bright Anneling Furnace
Heat treatment processes for special boiler tubes are carried out in the non-oxidizing annealing furnace. This means heat treatment is carried out in a special protective gas atmosphere that helps minimize scaling.
| technical data: |
| manufacturer: | GRÜNEWALD |
| type: | Roller hearth furnace with separate chambers (controlled atmosphere) |
| nominal output: | 4 t/hr |
| temperature: | max. 1000°C (1832 °F) |
| usable roller table width: | 1000 mm (3.3 ft) |
| charging length: | 4000-18000 mm (13.1 - 59.1 ft) |
| firing: | Natural gas (indirect, via heating tubes and radiant tubes) |
Hydrostatic Testing
The tubes are hydrostatic tested using water to make sure they meet the pressure requirements specified by the standards .
| technical data: |
| manufacturer: | KOCKS |
| type: | Automatic single pipe-testing press EP 170 |
| test pressure: | max. 700 bar (10000 psi) |
| outside diameter range: | 21.3 – 168.3 mm (0.839 - 6.625 in) |
| length range: | 4000 – 18000 mm (13.1 - 59 ft) |
Ultrasonic Inspection
In the case of certain boiler tubes, the quality of the tubes is verified and documented utilizing the latest ultrasonic inspection technology.
| technical data: |
| manufacturer: | KRAUTKRÄMER |
| type: | USIROT 140 SE with rotating test heads; impulse reflection method; couplant medium: water |
| detection capability: | Longitudinal and transverse flaws on inside and outside surface, wall thickness, Laminations |
| outside diameter range: | 21.6 – 168.3 mm (0.890 - 6.625 in) |
| speed of rotation unit: | 500 – 1500 rpm |
| test speed | max. 27 m/min (88.6 ft/min) |
