Air cushion type headbox air flow control system adopting high-pressure fan to blow air

• Main Authors: KANG JIAYU, MENG YANJING, WANG ZHEN, LIU YU
• Format: Patent
• Language: Chinese; English
• Published: 01.07.2022
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The invention relates to an air cushion type headbox air flow control system with a high-pressure fan for blowing air. The air cushion type headbox air flow control system solves the problems that in the prior art, a Roots blower is large in noise and maintenance amount, engine oil needs to be replaced and cleaned regularly, and environmental pollution is caused. The system comprises a control cabinet, a display, operation and control all-in-one machine is installed on a cabinet door of the control cabinet, a PLC is installed in the control cabinet, the display, operation and control all-in-one machine is connected with the PLC through an Ethernet port, a first liquid level pressure sensor and a second liquid level pressure sensor on a headbox are connected with the PLC, a high-pressure fan is connected with the PLC, and the high-pressure fan is connected with the PLC. A variable-frequency governor of the high-pressure fan is arranged in the control cabinet, the high-pressure fan is connected with the headbox