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Xiangying is a professional manufacturer of veneer dryers and plywood equipment.
Our 18,000 m² site includes 15,000 m² of buildings, supporting product development, manufacturing and service for customers in China and overseas.
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Problem Solving of Two-Layer Roller Veneer Dryer
| Faults | Reasons | Ways |
| Air temperature drops. | Pressure of steam reducing. | Restore the normal pressure, check the steaming system. |
| Too much condensate water. | Check and replace the exhausting devices. Check and repair heat preserving walls of steaming pipes. | |
| Too much supply of fresh air. | Check valves of heat preserving devices. Adjust the valves of exhausting system. | |
| False running of heating fans, or heat preserving walls being worn. | Adjust heating fans. Mend heat preserving walls. | |
| Heat conduction of heater reducing. | Clear heater off dirt and scraping. | |
| Jetting speed lowers. | Unusual running of heating fans. | Adjust heating fans. |
| Jam of scraping in heater. | Clear off scraping. | |
| Too much scraping in jetting bellow. | Clear off scraping. | |
| Moisture of air is too high in humidity. | Air temperature dropping. | Check steaming system. |
| Leak of steaming system. | Mend the leak. | |
| Too low air current. | Check heating fans. | |
| Faults in exhausting humidity system. | Check and repair. Adjust exhausting humidity valve. | |
| Efficiency drops suddenly. | Wrong rotating direction of heating fans. | Correct the rotating direction. |
| Too loose belts. | Tighten them. | |
| Leak of steaming system. | Mend the leak. | |
| Jam of exhausting system. | Clear filter of exhausting system off dirt. | |
| Too high the opposite pressure in exhausting system. | Reduce the opposite pressure below 1×105Pa. | |
| Invalidation of engines of heating fans. | Change engines. | |
| Invalidation of air-driven valves | Replace them. | |
| Steam pressure reducing, then temperature reducing. | Increasing stem pressure to standard. | |
| Veneer cools not enough. | Wrong rotating direction of fans. | Change the rotating direction. |
| Wrong adjustment of valves. | Readjust. |
