Hollow Fiber Membrane Explosion-Proof Nitrogen Generator – Tianjin NEWCEN Offshore Drilling Platform Nitrogen System

?I. Air Compressor

1. Explosion-proof motor with ExdIIBt4 explosion-proof rating and IP55 protection level.

2. Motor includes a built-in heater (heating method: stops heating when the motor is running; heats when the motor is stopped).

3. Automatic start/stop operation (PLC-controlled): supports switch control for remote start/stop operation.

4. Equipped with an RS485 communication interface.

5. Direct-drive transmission.

6. Electrical control panel is made of stainless steel with IP56 protection and ExdIIBt6 explosion-proof rating.

7. All electrical components except the motor have ExdIIBt6 explosion-proof and IP56 protection ratings.

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?II. Nitrogen Generator

1. Utilizes hollow fiber membrane separation or PSA (Pressure Swing Adsorption) technology with carbon molecular sieves for nitrogen generation.

2. Entire system has an explosion-proof rating of ExdIIBt6.

3. Protection level: IP56.

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?III. Additional Features

1. Air pre-treatment utilizes a heatless regeneration unit with an explosion-proof rating of ExdIIBt6 and IP56 protection level.

2. Equipment is suitable for installation in Class I, Division 2, and outdoor environments.

3. System is skid-mounted in two parts.

4. System voltage: 380V, 50Hz. Other supply voltages can be achieved through system transformers.

5. Designed operating temperature range: -17°C to 35°C.

6. Design relative humidity: 32% to 90%.

7. Final system output capacity: 20–600 Nm3/h.

8. Nitrogen output pressure: 0.55 MPa to 1.0 MPa.

9. Nitrogen purity: 95% to 99.99%.

10. Equipment certified by classification societies.