Page 63 - 《橡塑技术与装备》英文版2026年3期
P. 63

THEORY AND RESEARCH




                                                                develop together. It is believed that with the development
                                                                of technology, electric heating replacing steam heating is a
                                                                future development trend, and it is also possible for the two to
                                                                coexist.
                                                                    Overall, electric heating has the following advantages
                                                                over steam heating.
                                                                    (1) Investment in factory construction: The investment in
                                                                boiler and main pipeline construction can be saved by no less
                                                                than 2 million yuan.
                 Figure 8  Structure of electric heating component  (2) Since electric energy is directly used to generate heat,
                                                                there is no need for steam pipelines, boilers, or other steam
                  Compared with steam heating, electric heating curing   auxiliary equipment, which can shorten the construction period
              presses are limited by current technology. Firstly, the   by 30%.
              temperature control of curing is not stable. Secondly, compared   (3) Without transmission structure, there is ample space
              to steam heating, electric energy consumption is huge, which   for equipment maintenance, resulting in low maintenance
              is not yet accepted by the majority of tire manufacturers.   costs;
              However, the development prospects are still great. MESNAC   (4) Upgrading of nitrogen recycling, direct energy
              has been continuously investing in research and development   conversion, and high utilization efficiency; compared to steam,
              in recent years, and technology has made continuous progress.   nitrogen consumption is reduced by 40~60%.
              Electric heating technology has made significant breakthroughs   (5) Overall energy savings of over 30%.
              both in theory and practice, which has also driven other   (6) Less heat loss, resulting in a comfortable workshop
              related rubber and plastic industry enterprises to progress and   environment.








































              Vol.52,2026                                                                            ·17·
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