FIELD: oil-and-gas industry.
SUBSTANCE: proposed device relates to equipment of tanks and is designed to intake and discharge oil and oil products, to decrease the level of undrainable residue. As well, it may be used for emergent pumping of bottom settlement water at fire and washout of bottom settlements. Besides, it can be used for separation of product from pipeline at normal operation (tank-cap valve function), decrease in the rate of intake of products electrifiable in transportation (charge drainage function) and shutoff function. This device comprises housing converging towards tank bottom and changing the cross-section from round at joint to intake-discharge pipe to slot-like at open bottom end of product inlet-outlet case, control mechanism to adjust slot sizes by means of shutoff valve arranged at said case.
EFFECT: combined all aforesaid functions.
7 cl, 8 dwg
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