Technical cleanliness cabinet exhaust air steps

When we use the Technical cleanliness cabinet , in order to ensure the normal operation of the equipment and the safety of the operator, we need to pay attention to the ventilation steps. The following is the understanding and experience sharing of Technical cleanliness cabinet  exhaust.

First of all, the Technical cleanliness cabinet  is a common experimental equipment for extracting substances, purification and separation and other applications. When operating equipment, exhaust is a very critical step, which can avoid problems such as air bubbles and protect the safety of equipment and operators.

Before exhausting, the airtightness of the equipment and the state of the vacuum pump must be checked. If the equipment leaks or the vacuum pump fails, repair and maintenance are the first things to do. Exhaust operation can only be performed after ensuring that the equipment is operating normally.

The next step is the specific venting step:

1. Connect the cleanliness extractor to the vacuum pump. When connecting, ensure that the connection port is well sealed to avoid gas leakage.

2. Turn on the vacuum pump and adjust it to a proper working condition. Usually, the vacuum pump needs to enter the low vacuum state first, and then enter the high vacuum state to avoid equipment damage caused by pressure difference.

3. Open the intake valve of the Technical cleanliness cabinet , and properly adjust the opening of the valve. The position and opening of the intake valve need to be adjusted according to the specific requirements of the experiment.

4. Close the outlet valve of the Technical cleanliness cabinet . The exhaust valve is used for exhaust and needs to be closed when exhausting.

5. Start to exhaust the air. When the air in the device is drawn out by the vacuum pump, the pressure gauge on the intake valve will display the pressure value in the device. Under normal circumstances, the exhaust time is about 2-3 minutes.

6. Close the intake valve. When the pressure gauge shows that the pressure value in the equipment is stable within the required range, the intake valve can be closed.

7. Open the outlet valve. After the exhaust is completed, the exhaust valve needs to be opened to discharge the air inside the device.

8. During the exhaust process, pay close attention to the status of the equipment and the display of the pressure gauge. If it is found that the pressure value inside the equipment is unstable or abnormal, the exhaust operation must be stopped in time, and the status of the equipment and vacuum pump must be checked to ensure the safety of the equipment and operators.

In short, the exhaust procedure of the Technical cleanliness cabinet is very simple, but attention must be paid to operational details and safety issues. The purpose of exhaust is to ensure that there will be no air bubbles in the equipment, and at the same time, it can improve the working efficiency and purity of the equipment. Before the pumping operation, the tightness of the equipment and the state of the vacuum pump must be checked, and adjusted according to the requirements of the experiment.