The utility model provides a submerged RH dip pipe structure of lining brick in preventing, the utility model relates to a RH dip pipe structure, constitute by in the multilayer ring -type supreme down lining brick (1), upper strata brick (7) comprise with short brick (6) staggered arrangement long brick (5), the up end of upper strata brick (7) is for flushing the setting, middle level brick (8) are the brick type of same length and arrange the constitution for cyclic annular, with upper brick (7) in -cut connection, bottom brick (9) are the brick type of same length and arrange the constitution ring -type, and with middle level brick (8) in -cut connection, wrong inslot bottom brick (9) is equipped with pouring material (4), the utility model discloses not having annular straight joint between interior lining brick layer and the layer, being blocked and can parallelly not extend by adjacent interior lining brick on the brick -lined hoop including, even in molten steel or the sediment liquid infiltration brickwork joint, the risk of the dip pipe production circumferential weld that has significantly reduced has lengthened the life of dip pipe to the production efficiency of the concise technology of RH stove has been improved.