| 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 ). |
