| 摘要 |
The invention relates to an industrial water preheater comprising a plate heat exchanger set (9) and a mixing unit (Zm), which contains a thermostat valve (26), an output collector (27) having a built-in sensor (28) for the servomotor (29), a control thermometer (34) in conduit (30) and a thermometer (37a) in conduit (37). The mixing unit (Zm) is connected to the hot water container (23), which is hydraulically connected to the cold water supply by means of a safety valve (20) and an expansion vessel (19). |
