| 摘要 |
The invention relates to a set having a first dryer 11 and a second dryer 31 for concurrent series production. Each dryer 11,31 comprises a respective housing 12,32 enclosing a respective interior 13,33. Each housing 12,32 comprises a respective front wall 14,34 and a respective back wall 15,35, a respective drying chamber 16,36 disposed within said housing 12,32, and a respective process air guide 17,37 for guiding process air through said respective drying chamber 16,36 for drying articles 18,38 disposed therein. Each process air guide 17,37 comprises a respective back channel 19,39 disposed on said respective back wall 15,35 outside said respective interior 13,33, each back channel 19,39 projecting into said respective interior 13,33 through a respective first hole 20,40 and a respective second hole 21,41 in said back wall 15,35. Each first hole 20,40 is placed below each respective second hole 21,41 with respect to a respective vertical axis 22,42. Each process air guide 17,37 is configured for guiding the process air through each respective back channel 19,39 from said respective first hole 20,40 to said respective second hole 21,41, and from said respective second hole 21,41 into said respective drying chamber 16,36. In said first dryer 11, said respective process air guide 17,37 comprises an air-to-air heat exchanger 1 disposed within said respective housing 12, and an electric heater 2 disposed within said respective back channel 19. In said second dryer 31, said respective process air guide 17,37 comprises a heat sink 3 and a heat source 4, said heat sink 3 and said heat source 4 belonging to a heat pump 3,4,5,6,7,9 disposed within said respective housing 32. In said first dryer 11, said respective second hole 21 is a single passage for said respective back channel 19 to project into said respective interior 13. In said second dryer 31, said respective back wall 35 has at least one third hole 8, with said respective back channel 39 projecting into said respective interior 33 through said at least one third hole 8 and said respective second hole 41 in parallel, and with said respective process air guide 37 being configured for guiding the process air from said respective first hole 40 to said respective second hole 41 and said at least one third hole 8. |
