CDZ-type nitrogen charging vehicle
5 month ago
Product details
I. Core Functions
1. High-Pressure Nitrogen Compression
Utilizes a hydraulic-driven bidirectional booster to compress nitrogen from standard cylinders (3-12 MPa) to pressures of 10-65 MPa, meeting the high-pressure requirements of hydraulic accumulators and other vessels. For example, accumulators with pre-charge pressures exceeding 13.5 MPa require a nitrogen charging vehicle for filling.
2. Automatic Shutdown Protection
Equipped with an electric contact pressure gauge that halts the hydraulic system automatically when the output pressure reaches the preset value, preventing overpressure risks.
3. Flexible Pressure Range
Common models offer output pressure ratings of 25 MPa, 35 MPa, 42 MPa, 45 MPa, 55 MPa, and 65 MPa, with customization available for specialized applications.
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II. Technical Specifications
• Input Pressure: Nitrogen cylinder input range: 2-15 MPa (minimum intake pressure: typically 2 MPa).
• Output Pressure: Up to 65 MPa (e.g., GPSQCDZ model).
• Hydraulic System:
• Power Supply: 380V-50Hz three-phase AC.
• Oil Pump Flow Rate: 7-16 L/min, compatible with 32# or 46# hydraulic oil.
• Oil Tank Capacity: 50-60 L.
• Control Mode: Industrial microcomputer-based automatic control with stepless pressure adjustment and constant-pressure operation.
• Structural Materials:
• Core components (e.g., booster pump, high-pressure plunger) made of stainless steel with dual-layer sealing.
• Sealing design combines soft and hard seals for high-pressure and corrosion resistance.
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III. Structural Components
1. Hydraulic System: Provides power to drive the booster piston reciprocally.
2. Gas Circuit System: Includes intake filtration, check valves, and a pressurized chamber for nitrogen compression and delivery.
3. Electrical System: Integrates pressure control, automatic shutdown, and fault alarm functions.
4. Mobile Trolley:
• Equipped with braking mechanisms for easy positioning and mobility.
• Houses the hydraulic station, booster system, and control box in a compact design (weight: ~115-338 kg).
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IV. Applications
1. Industrial Sectors:
• Metallurgy: Nitrogen charging for blast furnaces and continuous casting machine accumulators.
• Power Generation: Maintenance of hydraulic system accumulators in power plants.
• Automotive Manufacturing: Filling nitrogen gas springs in suspension systems.
• Aerospace: Testing accumulator systems for aircraft landing gear.
2. Specialized Scenarios:
• Nuclear Power: Pressure testing of containment vessels.
• Research: High-pressure gas simulation experiments.
• Firefighting: Filling high-pressure gas cylinders.
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V. Operational Precautions
1. Gas Compatibility: Suitable only for nitrogen; prohibited for oxygen, flammable gases, or corrosive substances.
2. Safety Protocols:
• Use dedicated high-pressure hoses and regularly inspect pressure gauges and seals.
• Operators must undergo professional training to avoid misuse.
3. Maintenance:
• Replace hydraulic oil and filters periodically to maintain system cleanliness.
• Drain hydraulic oil and nitrogen during long-term storage to prevent component corrosion.
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VI. Model Selection Guide
• CDZ-25Y1: Output pressure 10-25 MPa, for accumulators ≤25 MPa.
• CDZ-35Y1: Output pressure 10-35 MPa, for accumulators 26-35 MPa.
• CDZ-45Y1/55Y1/65Y1: Higher pressure ratings for specialized needs.
• Custom Models: Non-standard customization available for output pressure, charging volume, etc.
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