30-07-2014 дата публикации
Номер: CN103954331A
Принадлежит:
The invention relates to a monitoring device for the lifting position of an oil-water interface. The monitoring device comprises an interface follow-up identifying floating body (7) and a protecting cylinder (11), wherein the interface follow-up identifying floating body (7) comprises an interface floating cylinder (8), an identifying rod (9) and an identifying plate (10), is coaxially sleeved with the protecting cylinder (11), and perpendicularly floats in an oil-water mixture in an oil-water separating tank; the protecting cylinder (11) comprises an outer cylinder (12), an upper-bound limiting plate (15), a lower-bound limiting plate (14) and signal switches (16), and is fixedly connected with the wall of the oil-water separating tank; the upper-bound limiting plate (15) and the lower-bound limiting plate (14) are coaxially arranged inside the outer cylinder (12), and are parallel to the upper part and the lower part of the identifying plate (10) respectively; the signal switches (16) ...
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