What are the requirements for the car painting air shower room

Main technical requirements for air shower

1. The chamber body is required to be made finely and beautifully. It adopts an assembled chamber structure, and the joints are required to be padded with sealing strips and coated with non-silicone sealant to seal. After the overall installation is completed, there should be no air leakage during operation.

2. The box body is a sandwich panel: the outer plate is made of δ1.2mm cold-rolled steel plate and sprayed, and the inner plate is made of δ1.2mm SUS304 mirror stainless steel plate; the chassis is made of δ1.5mm SUS304 stainless steel water tray, which needs to be fully welded to prevent Water leakage occurs, and a stainless steel grille (in blocks) is laid on it for the operators to walk on.

3. The entrance and exit doors are made of stainless steel, made of δ1.2mm SUS304 stainless steel, with tempered glass windows on the upper part, and stainless steel anti-collision door panels on the lower part; equipped with German GEZE door closers or Japanese imported GMT door closers (with German Dorma door closers) ). The combination of door and door frame is flat, firm and beautiful, with good sealing performance and flexible door opening. The air shower room of the workshop is a single automatic door (please refer to the floor plan for the opening direction); the air shower room of the clean room is a manual door.

4. The double doors are equipped with electric interlocking and compulsory spraying is implemented.

5. It adopts photoelectric sensor control to realize automatic spraying. The spray time is adjustable from 0 to 99 seconds.

6. The air shower door is equipped with an operation panel.

7. The nozzle is made of SUS304 mirror stainless steel, and the nozzle is 360-degree adjustable, which requires flexible adjustment and accurate positioning. The wind speed at the air outlet>25m/s.

8. The room is equipped with enough fluorescent lighting devices, and fluorescent lamps are selected (embedded LED lamps) products.

9. Choose ultra-thin, high-volume, low-noise, multi-blade fan (a domestic high-quality brand), and the fan should run smoothly.

10. Adopt primary and high-efficiency two-stage filtration to ensure that the spray area is clean.

11. The filtration efficiency is ≥99.99%.

12. The installation of the filter must be flat and firm, and there should be no leaks between the filter and the frame and the frame and the wall.

13. The operating system enters the blowing and showering program, and the fan starts to start until the preset time period is completed. The doors at both ends of the air shower room cannot be opened. After the blowing and showering program is completed, both doors can be opened.

14. The air shower room has an automatic protection function: when there is a door in the air shower room or the fan fails to close, the system will automatically exit the interlock function after a period of time, and the system will automatically return to the interlock function after the door is closed.

15. Electrical components adopt Schneider or Siemens.

16. Control requirements.

16.1 Control requirements for the air shower room at the entrance of the clean room

1) Enter from non-clean area When the outer door is opened, the inner door is automatically locked. If people or goods enter the air shower room and enter the air shower center at the same time, the fan will automatically work for a certain period of time after the infrared probe. At this time, both the inner and outer doors are locked. After the fan stops working, the buzzer sounds The inner door can be opened with a sound, the personnel or goods exit the air shower room, the inner door is closed, and the whole process is over.

2) Exit from the clean area When the inner door is opened, the outer door is automatically locked, personnel or goods enter the air shower room, the inner door is closed, the personnel or goods pass through the infrared probe and the outer door can be opened with a buzzer, the personnel or goods exit the air shower room, and the outer door is closed. The whole process is over.

3) The fan of the air shower room must have the function of automatic time adjustment.

4) Automatic protection function of air shower room When there is a door in the air shower room or the door machine fails to close, the system automatically exits the interlock function after a certain period of time, and the system automatically resumes the interlock function after the two doors are closed.

16.2 Requirements for the control of the air shower room at the gate of the workshop

1) Enter from non-clean area When the outer door is opened, the inner door is automatically locked. If people or goods enter the air shower room and enter the air shower center at the same time, the infrared probe fan will automatically work for a certain period of time. At this time, the inner and outer doors are locked. After the fan stops working, a buzzer sound The inner door can be opened, personnel or goods exit the air shower room, the inner door is closed, and the whole process ends.

2) Exit from the clean area  When the inner door is opened, the outer door is automatically locked, personnel or goods enter the air shower room, the inner door is closed, the personnel or goods pass through the infrared probe and the outer door can be opened with a buzzer, the personnel or goods exit the air shower room, and the outer door is closed. The whole process is over.

3) The fan of the air shower room must have the function of automatic time adjustment.

4) Automatic protection function of air shower room  When there is a door in the air shower room or the door machine fails to close, the system automatically exits the interlock function after a certain period of time, and the system automatically resumes the interlock function after the two doors are closed.

5) It can be used in conjunction with access control, with 30 cards (can be expanded as needed).

16.3 Heating requirements for the air shower room at the gate of the workshop

1) The air shower room of the workshop is equipped with a 10KW electric heater to ensure warm air when blowing;

2) When the room temperature is lower than the set temperature value, the main heater can be automatically heated, and when the set time is reached, the main heater can be automatically stopped.

17. The power supply is AC 3N 380V 50HZ

18. Water replenishment and sewage discharge in the air shower room of the workshop need to be connected to the civil engineering pre-interface