A special air nozzle for hot air drying of a gravure printing machine and an oven using the air nozzle
A technology of hot air drying and gravure printing machine, which is applied to the general parts of printing machinery, printing machines, printing, etc. It can solve the problems of unreasonable structure of tuyere and oven, failure to meet the needs of the industry, and low drying efficiency. Optimize the hot air velocity field and temperature field, improve utilization efficiency, and prolong the effect of drying time
Active Publication Date: 2016-07-06
乌兰浩特森辉印务有限公司
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Problems solved by technology
Through the process of hot air drying, it can be found that the structure and arrangement of the air nozzles determine the final contact state of the hot air with the material, which has an important impact on the speed and distribution of the hot air. The structures of the air nozzles and ovens in the prior art are different. Reasonable, resulting in low drying efficiency and high energy consumption, which cannot meet the needs of the industry
Method used
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Embodiment Construction
[0021] refer to figure 1 , figure 2 , a special air nozzle for hot air drying of a gravure printing machine, comprising a nozzle box 1, the end of the nozzle box 1 is provided with an air inlet 2 of the tuyere, and the air nozzle box 1 is provided with The left guide surface 3 and the right guide surface 4 arranged symmetrically along its length direction, one side of the left guide surface 3 and the right guide surface 4 are respectively connected with the left and right inner walls of the tuyere box body 1, and the other One side is respectively connected with a symmetrical left air outlet surface 5 and a right air outlet surface 6, the left air outlet surface 5 and the right air outlet surface 6 are parallel planes, the left air outlet surface 5 and the right air outlet surface 6 The free sides of each are respectively connected with a symmetrical left platform area 7 and a right platform area 8, and the angles formed between the left platform area 7 and the right platfor...
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The invention discloses a special air nozzle for hot air drying of a gravure printing machine and an oven using the air nozzle. The air nozzle includes an air nozzle box body. The box is provided with a left guide surface and a right guide surface, one side of the left guide surface and the right guide surface are respectively connected with the left and right inner walls of the air nozzle box, and the other side is respectively connected with a symmetrical left air outlet surface and The free side of the right air outlet, the left air outlet and the right air outlet are respectively connected with a symmetrical left platform area and a right platform area, and the free sides of the left platform area and the right platform area are respectively connected with a symmetrical left sloped wind guide area and the right slope air guide area, the present invention adopts a new structure of the air nozzle, coupled with the reasonable setting of the oven, can prolong the hot air drying time, improve the utilization efficiency, and optimize the hot air velocity field, temperature field, velocity distribution and pressure distribution. Ensure the effective operation of the entire drying system and achieve a more uniform actual drying effect.
Description
technical field [0001] The invention relates to a drying device for a gravure printing machine, in particular to a special air nozzle and an oven for hot air drying of a gravure printing machine. Background technique [0002] Gravure printing machine is the basic equipment of packaging printing. Gravure printing plays an important role in printing production. It mainly includes the printing of various packaging paper, plastic film and other flexible packaging materials. It is widely used in food, medicine, chemical industry, tobacco and other industries. [0003] In recent years, with the continuous improvement of printing speed of gravure printing equipment, drying efficiency has become one of the important factors limiting the development of equipment. The current high energy consumption in the drying process has greatly increased production costs and seriously consumed energy. Designing a high-efficiency hot air drying system is one of the problems to be solved urgently f...
Claims
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IPC IPC(8): B41F23/04
Inventor 高艳飞郑新付文亭
Owner 乌兰浩特森辉印务有限公司