| 摘要 |
PURPOSE: A fan heater which drives a cylindrical main boy and uniformly releases heated air is provided to supply uniform temperature and humidity in a plastic greenhouse. CONSTITUTION: A fan heater for plastic greenhouse comprises a fixed circular partition(4) having in insertion hole(3) at inner center of a cylindrical main body(2) having an air inlet hole(1)(1'). A motor(6) having a bi-directional rotation shaft(5)(5') is mounted. Each blower(7,8) is fixed with a fixing nut(9)(9') at the rotation shaft. Spiral heating lines(11,12) are mounted with a fastening nute(13)(13') at both side opening part(10)(10'). A protecting cover(14)(14') is fixed with a fixing piece at the upper side of the cylindrical main body. |
