| 摘要 |
<p>A rotating heat transmission body with systems for scraping the evaporation surface, designed for evaporation and drying processes. A rotating heat transmission body useful for the evaporation of solutions that form deposits on the evaporation surface and for drying of pumpable viscous products. The heat transmission body is constructed as a rotor with a cylindrical supporting mid-section that functions to lead the heating vapour stepwise forward to a large number of disc-shaped ring channels during condensation of the vapour and at the same time lead condensate and false air away from these. The ring channels are constructed with plane side surfaces, reinforced with stays. For evaporation, the heat transmission body is mounted with a horizontal axle and is moistened, either by spraying or by dipping the evaporation surfaces, which are kept free of deposits with radially moving narrow two-sided scrapers. For drying, the heat transmission body is mounted with a vertical axis and horizontal evaporation surfaces that allow application of thicker layers of moist product, which can be scraped off after drying with subsequent application of new product with aggregates that each can serve a number of jointly running heat transmission surfaces.</p> |
