DL-3 model electric air heater with upper outlet and lower inlet
DL-3 electric air heater is consists of 7 parts: electric heater + insulation box + fan + fresh air damper + waste heat recovery device + dehumidification fan + control system. It is specially designed for supporting downflow drying room/heating rooms. After convert electrical energy into heart through by the electric heater, it´s mixed with recycle or fresh air, under the action of the fan, it is discharged from the upper outlet into the drying room or heating space. Then cooled air pass through the lower air outlet for secondary heating and continuous circulation. And when the humidity of circulating air reaches the emission standard, the dehumidification fan and fresh air damper will start simultaneously. The exhausted moisture and fresh air implement sufficient heat exchange in the waste heat recovery device, so the moisture is discharged and the fresh air with recovered heat enter the circulation system.
Advantages/features：1.Simple structure and easy installation；
2. Large air volume and small wind temperature fluctuation；
3.Stainless steel electric heating finned tube, durable；
4. Automatic control system, group start and close, low load, precise temperature control；
5.Integrating the dehumidification and fresh air system, heat loss is extremely small through by the waste heat recovery device.
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