| 摘要 |
<p>The present invention relates to a mortar spraying device for spraying a fibre reinforced mortar material onto a surface, comprising a spraying nozzle (10) with a central tube (11 ) for transporting a fibre flow (A) of cut fibres to a downstream end of the spraying nozzle (10), and an outer tube (12) enclosing at least a portion of the central tube (11 ) and forming a passage between the tubes (11, 12) for transporting a mortar flow (B) to the downstream end of the spraying nozzle (10). The spraying nozzle (10) comprises a fibre flow directing means (26) to direct the fibre flow (A) radially into the mortar flow (B) when exiting the spraying nozzle (10). The invention also relates to a mortar spraying method.</p> |
