CE Certificated Power Transformer Electric Vapor Phase Drying Equipment 1.Tank inner size: 7.0×5.0×4.0(L×W×H) V=140M3 Usable length 7000mm Usable width 4600mm Usable height (from top surface of trolley) 3300mm 2.Tank shape: horizontal 3.The temperature in tank is controlled automatically; and the highest temperature is : 135±5ºC 4.The temperature difference at random two points after heating and preserving is : ≤±5ºC 5.The ultimate vacuum degree in the cool tank is : ≤6 Pa 6.Leakage Rate : ≤5mbar.L/S 7.Ultimate working vacuum degree : ≤ 30Pa 8.The airproof structure of the tank mouth is adopted the lip shaped rubber ring which is high temperature resistant. 9.Observing window, lighting, electrode down-lead, 10.The heating mode: Twosets of heatingsystem,electricheating oil 11.The opening and closing mode of the tank door : Hydraulic locking and unlocking , moving mechanics. 12.The plant also can be used for washing oil-impregnated active parts of transformer. 13.The Pt100 platinum resistances are adopted for measuring the temperature in the tank, and there are 4 measuring points in the tank. 14.Transformer is loaded and transported into autoclave by trolley. 15.Vapor phase drying (VPD) plant is used for heating and vacuum drying of transformer, windings or other active part in the autoclave by means of kerosene vapor. The process is carried out in the autoclave with the built-in cascade evaporator using advance vapor phase drying process sequence i.e. heating up phase, intermediate pressure reduction phases, pressure reduction phase, fine vacuum phase and aeration phase. The plant is offered with a cascade evaporator system.
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