| 摘要 |
FIELD: construction. ^ SUBSTANCE: device for the steam treatment of a web moving relative to the device has steam outlet holes located on the steam head designed so that it can direct the steam pulse at an oblique angle relative to the web surface. Between the web surface and the steam outlet holes, a band screen is located, which moves synchronously with the web; the steam pulse can interact with the web through the band screen. The method involves manufacture of nonwoven fabric, its preliminary pressing, in particular, without binder curing, continuous pressing, during which the binder mainly cures, treatment with a steam pulse, which is directed at an oblique angle to the nonwoven fabric surface through the steam outlet holes on the rotatable steam head. ^ EFFECT: optimisation of continuous process during manufacture of plate-type structural element. ^ 43 cl, 1 dwg |
