| 摘要 |
The invention relates to a variable steam injector of the type which has an injector housing (1) with an inlet (2) for the product which is to be heated and an outlet (3) for the heated product. The injector housing (1) also has an inlet (4) for steam. The injector also includes a thick-walled pipe (5) enclosed in the injector housing (1). The thick-walled pipe (5) is provided with a large number of throughgoing holes which form radial ducts (9). Further, there is a product pipe (11) within the thick-walled pipe (5) and which is displaceable in the longitudinal direction of the pipe (5).
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