| 摘要 |
1 Gr?nzweig + Hartmann AG 6700 Ludwigshafen, DE 1. An apparatus for the production of wool, in particular rock wool, from a melt. 2.1. In the case of prior apparatus for the production of rock wool from a melt, the blast nozzle and the impact diffuser to which it is connected and which is designed as a separate part, undergo considerable wear owing to fibre contact occurring at the wall, so that these components have to be replaced at regular intervals. 2.2. According to the invention, at least the first stage (13) of the impact diffuser (11) is designed as a single piece incorporating the blast nozzle (6). 2.3. Production of rock wool. 3. Fig. 1.
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