Specific operating steps and precautions for pipe pressure-resistant blasting test machine

Pipe pressure-resistant blasting tester is used for measuring pressure-resistant time and instantaneous blasting pressure measurement of various non-metallic pipes at constant temperature. You may not be clear about the specific operating steps and precautions of the pipe pressure-resistant blasting test machine. The following editor will introduce to you the specific operating steps and precautions of the pipe pressure-resistant blasting test machine, hoping to help you.

1. Operation steps of pipe pressure-resistant blasting test machine

1. The power supply is three-phase and four-wire (three live wires, and the thin one is a neutral wire).

2. Connect the aerospace plug to the test chamber plug.

3. Two-core cable connection test box terminal

4. Connect the water pipes from the main operating chassis and the test chamber

5. The pipe pressure-resistant blasting tester opens the door below the main machine, and the water tank is below the motor. Water should be added before the test (usually 10 cm away from the water outlet)

6. Add water to the test chamber, put the sample on the fixture, and slowly put it into the test chamber.

7. Turn on the main power switch in the main operating machine, power on the system, turn on the key switch on the operating panel, and power on the control circuit.

8. Press the pump start button and the system pressure system starts to press (if heating is required, you can press the heating button to set the temperature and the water in the test chamber starts to heat)

9. When performing a constant pressure test, turn the constant pressure blasting knob to constant pressure, press the solenoid valve switch and press the constant pressure button (set the required pressure time according to the test requirements)

10. When the pipe pressure-resistant blasting test machine is performing a blasting test, turn the constant pressure blasting knob to the blasting position and press the blasting button.

11. After the test is completed, turn off the key switch and turn off the main power supply.

2. Things to note about the pipe pressure-resistant blasting test machine

1. The safety valve of the pipe pressure-resistant blasting tester has been adjusted before leaving the factory and must not be changed at will.

2. Before testing and pressurization, all various pressure regulating valves and pressure relief valves should be adjusted to the end. Then follow the operating procedures. The power should be turned off if the branch is not in use. The pressure relief valve should be cut off.

3. Fill the water tank of the pressurized pump with softened water and add it at any time according to the situation. During the first installation or use, or after a long time of use, open the pressure relief valve on the pressurized pump in the first line, let the pump work for a few minutes to remove the air and then shut it down. If the pressure is not increased for a period of time, you can unscrew the high-pressure pipe on the pump body to discharge air. When not in use for a long time, the pump should be drained and rust-proof oil should be applied.

4. During the pressure boosting process of the pipe pressure-resistant blasting tester, the speed control valve of each channel must not be opened too large, especially when it is close to the pressure value, it must be adjusted to a very small amount, otherwise the overshoot will be too large. If there is any error, the corresponding pressure relief valve can be opened to relieve some of the pressure.

5. Before the test, the air in this line pipe should be discharged and then connected to the sample.

6. If the pressure measuring instrument is observed to be started frequently, there may be leakage. Check whether the corresponding branch pressure relief valve is tightly closed or whether the sample clamping is tight.

7. The parameters of the voltage control instrument are set when leaving the factory and cannot be changed at will.

8. The pressure relief and flow control valve behind the main control box of the pipe withstand pressure blasting tester should be adjusted before leaving the factory. Please do not adjust it at will. If you find that there is overpressure and cannot fall back when a certain channel is constant pressure, you can adjust it appropriately.

9. The output high-voltage hose cannot be used to lift the sample directly to avoid damage.

10. The heater in the constant temperature box should be measured regularly. Before each use, the water level of the constant temperature tank should be checked, and the specified requirements should be met, and should be filled if there is insufficient. Must be well grounded.

11. When performing long-term pressure resistance tests, check whether the work is normal every morning and evening. If the operation of temperature, main pressure, support pressure, circulation pump, etc., it should be adjusted and maintained in time if the work is abnormal.

12. The pressure-resistant blasting tester pressurization pump of the pipe material must be refueled and changed according to the use conditions. When not in use for a long time, water should be used to wipe it clean and apply alum spyro oil.

13. Reliable grounding.

Operators should carefully read and understand the specific operating steps of the pipe pressure-resistant blasting test machine, and must be used in accordance with the procedures and specifications of the instructions when using it. Otherwise, it is easy to cause dangerous situations such as machine failure and personnel injury. The above is the relevant content of the specific operation steps of the pipe pressure-resistant blasting test machine compiled by the editor, hoping that it can help everyone.