| 摘要 |
FIELD: furnaces. ^ SUBSTANCE: batch-operated thermal furnace comprises housing with the external heat insulation, heater, working chamber, fan, pipes mounted on the housing, temperature gauge inside the working chamber, and distributor interposed between the pipes and control valves which changes the number of pipes connected to the heat transfer agents depending on the readings of temperature gauge inside the working chamber. The pipes are connected with the gas heat-transfer agent through the distributor and to the liquid heat-transfer agent. ^ EFFECT: improved accuracy of maintaining of temperature. ^ 1 cl, 2 dwg |
