The composition of gravure printing machine hot air energy saving technology
In recent years, with the influence of various factors such as national policies and social environment, energy-saving and environmentally-friendly machinery and equipment has become the direction of major machinery manufacturers to improve mechanical research and development, as well as to protect the environment. Gravure printing machines are used in the machinery industry. One member, and its daily work energy consumption is large, so the energy-saving technology improvement of gravure printing machine is also a major strategic direction of major gravure printing machine manufacturers. Let's talk about the composition of gravure printing machine hot air energy-saving technology and Related introduction.
Gravure printing machine
At present, the hot air energy-saving technologies applied to gravure printing machine equipment mainly include heat pump heating technology, heat pipe technology and fully automatic hot air circulation system with LEL control.
1. Heat pump heating technology. The heat pump energy efficiency is much higher than the electric heating. At present, the heat pump used in the gravure printing machine is generally an air energy heat pump, and the actual test can save energy by 60%~70%.
2. Heat pipe technology. During the operation of the hot air system using the heat pipe technology, the hot air enters the oven and is discharged through the air outlet. A secondary return air device is arranged at the air outlet, a part of the air is directly used for the secondary heat energy cycle, and another part of the air is used as a safe exhaust system. As part of the hot air of the safe exhaust, the heat exchanger is used to effectively recycle the remaining heat.
3. Fully automatic hot air circulation system with LEL control. Using the fully automatic hot air circulation system with LEL control, the following effects can be achieved: under the premise of meeting the low explosion limit of LEL and the residual solvent is not exceeded, the secondary return air can be utilized to a large extent, which can save energy by about 45% and reduce tail gas. Rank 30%~50%. The amount of exhaust air is correspondingly reduced, and for the future ban, the investment in exhaust gas treatment can be greatly reduced by 30%~40%.