Surface cooler water expansion machine

Surface cooler water expansion machine

Functions

The radiator of the surface cooler water expansion machine is composed of multiple heat dissipation pipes, base, heat dissipation fin assembly and bracket. Due to the small thickness of the heat dissipation pipe and the large number of heat dissipation fins, the connection is more troublesome. It is necessary to eliminate the gap between the heat dissipation pipe and the heat dissipation fin (0.3mm-0.4mm) to achieve interference fit to prevent loosening. This is the role of the water expansion machine.

Connection of heat exchange tube and tube plate

The gas-driven hydraulic expansion joint adopts the imported and joint-venture brand gas-hydraulic booster pump as the power source, which has low noise, light weight, fast pressure boost speed and high efficiency, which is twice that of the liquid-driven hydraulic expansion joint.

Composition of the gas-liquid pipe expansion machine

The surface cooler water expansion machine is composed of three parts, electric control part, gas drive booster system, expansion connector. The electric control adopts PLC control. The gas drive booster system uses two Sester high pressure liquid superchargers. The pressure can be increased quickly, and the pressure increase time within 25mm diameter and 5m length can reach the predetermined pressure within tens of seconds. Including booster host, high pressure hose, expansion head sleeve tooling three parts.

Main technical parameters of inflation type

1. Rated expansion pressure: 0-150MPa (0-15000 kg)

2. Test pressure: 150MPa

3. Expansion speed: about 1 piece /min

4. Expansion medium: water

5. High-pressure pipe pressure burst pressure: 280Mpa

6. Input power: 380V

7. Drive: Compressed air 4-8 kg

8. Water source: tap water

9. Control system: PLC

10. Pressure control accuracy: +-0.1%

11. Station: 1 station - multiple stations

Product characteristics

1. The expansion pressure can be set arbitrarily, and the expansion time can ensure the expansion quality;

2. One-click start, easy to operate

3. The speed of pressure boost and pressure relief is fast, and the expansion speed is doubled;

4. The 0-3mm thickness of the heat dissipation pipe and heat fin for the full thickness of a one-time uniform expansion;

5. The residual stress of the device after expansion is low, which is not easy to produce gap corrosion;

6. After the expansion of the heat exchanger, the axial direction is not extended but slightly contracted, which is conducive to reducing the operating noise;

7. No pollution at the expansion joint, the first expansion after welding is not affected;

8. This device can also be used for conventional heat-dissipating tube built-in steel ball extrusion connection