| 摘要 |
PURPOSE:To improve the environment of a workshop, by diffusing the air of uniform flow rate and flowing direction from the ceiling, by making the static pressure in an air duct uniform by providing a bag filter on the upstream side of the secondary filter. CONSTITUTION:When a forced draft fan 10 and an induced fan 14 are rotated, the air flows through the primary filter 4, an air duct 5, the forced draft fan 10, a bag filter 7, the secondary filter 3, a workshop 1, an air outlet 12, and the induced fan 14. The bag filter 7 serves to change the horizontal air flow into the air flows of various direction, to unify the static pressure in the air duct, and to uniformly flow the air to the secondary filter 3. By this arrangement, the air flow of uniform flowing direction and flow rate can be obtained all the time through the secondary filter 3. |
