Hayden’s Technical Comparison with Other Design Companies—Drying Oven
Release time:
2013-07-23
| Hayden air-flow mixing type | Other suppliers' conventional cyclic type | |
| Number of cycles | 16 times/minute | 2 times/minute |
| Body temperature difference | No more than 50°C | No higher than 110°C—especially to address insufficient heating at the vehicle’s underbody, where corrosion is most likely to occur. |
| Operating costs | Does not use large circulating fans, resulting in low energy consumption. | Using large-scale circulating fans results in high energy consumption. |
| Heating zone | Using fully contoured radiant panels, the entire vehicle heats up evenly. | Same as left |
| Maintenance | Only a few high-temperature dampers. | The pipeline is complex and difficult. |
| Warming up | Quick | General |
| Duct length | Very short | Complex design with the same length as the drying tunnel. |
| Debugging cycle | Short | Complex |
| Split-type exhaust gas treatment | Possible | Possible |
| Integrated exhaust gas treatment | Possible | Possible |
| Serial number | Content | General factory configuration | Hayden configuration | |
| 1 | Wall panel | Foam plastic, steel plate thickness only 0.5–0.6 mm | Rockwool with a density of 140 kg/m³, steel plate thickness: 1.0–1.2 mm | The thermal insulation performance and service life are different, and they do not meet fire safety requirements. |
| High-temperature sealant | Do not use or use domestically produced silicone-containing sealants when installing siding. | Use imported high-temperature sealant that is free of “silicon.” | When installing a drying oven, it is crucial to use high-temperature sealants that do not contain “silicon.” Sealants containing “silicon” can lead to future problems with coating quality. | |
| 2 | Internal circulating duct | Galvanized steel sheets produced by typical steel mills have a sheet thickness of 0.8 to 1.0 mm and a zinc coating thickness of 50 to 60 mg/m². | Baosteel produces high-quality galvanized steel sheets with a sheet thickness of 1.2 to 1.5 mm and a zinc coating thickness of 80 mg/m². | The thickness of the galvanized steel sheet and the thickness of the zinc coating directly affect the product’s aesthetic appearance, service life, and oxidation resistance. Moreover, the oxidation of the zinc coating can significantly compromise product quality. |
| 3 | External circulation duct | Galvanized steel sheets produced by typical steel mills have a sheet thickness of 1.0 to 1.2 mm and a zinc coating thickness of 50 to 60 mg/m². | Baosteel produces high-quality galvanized steel sheets with a thickness of 1.5 to 2.0 mm and a zinc coating weight of 80 mg/m². | The thickness of the galvanized steel sheet and the thickness of the zinc coating directly affect the product’s aesthetic appearance, service life, and oxidation resistance. |
| 4 | Heating system | Burners made in Italy or Taiwan, self-made heat exchangers (or direct-fired models without heat exchangers), self-made hot-air filtration chambers, domestically produced filters. | Burners made in Germany or the U.S., high-efficiency heat exchangers manufactured by professional suppliers equipped with fully imported control valve assemblies, hot-air filtration chambers produced by professional manufacturers, and imported filters. | The quality of burners and heat exchangers directly affects the efficiency of heat exchange, energy utilization rate, flue gas temperature, safety during equipment operation, equipment service life, maintenance frequency, and the overall efficiency of the production line, among other factors... |
| 5 | Hot air circulation fan | General fan | High-temperature resistant, high-efficiency, low-noise premium fan (imported bearings) | The filtration efficiency and filtration accuracy of domestically produced filters and imported filters are completely different. |
| 6 | Air supply filter | Domestic filter | Imported filter | |
| 7 | Air intake filter | None | Imported filter | |
| 8 | Duct insulation | Insulation thickness: 50 mm; outer panel: colored steel sheet, 0.5–0.6 mm thick. | Insulation thickness: 100mm; outer panel: 1.0mm galvanized steel sheet. | |
| 9 | Exhaust outlet | A set | Two sets | Setting up two separate exhaust systems is intended to ensure that, in the event of an abnormal situation requiring furnace shutdown, the hot air inside the furnace can be quickly expelled, thereby preventing overheating of the workpieces and avoiding unnecessary losses. |
| 10 | Control system | Domestic components, domestically manufactured control cabinet body | All imported components, control cabinet body manufactured by the joint venture. | Control precision and reliability are completely different. |
| 11 | Material Selection | General steel plant | High-quality steel products from Baosteel | |
| 12 | Selection of the kit | General manufacturer | Joint venture or well-known domestic enterprise | |
| 13 | Processing accuracy of the equipment | General | Very good | |
| 14 | Overall Reliability | General | Very good |
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