Tubular reactor with double helix baffling board

The utility model discloses a tubular reactor with double helix baffling board, it includes cylindrical barrel (3), has in it along reaction tubulation (4) of axially extended parallel each other, wherein top -down utating double helix baffling board (5) has on cylindrical barrel (3) inner wall, have on the double helix baffling board (5) and to supply the hole that the reaction tubulation passed.The utility model discloses in the double helix baffling board that adopts make interior the shell side flow of fluid of cylindrical barrel (3) more smooth and easy, make shell side flow field distribution of temperature more even, improved the conversion rate and the selectivity of reacting, further improved target reaction product's yield. And the evenly distributed of temperature makes the catalyst be difficult for the coking, has prolonged the life -span of catalyst. 本实用新型公开了种带有双螺旋折流板的列管式反应器，其包括圆柱形筒体(3)，其内具有沿轴向延伸的彼此平行的反应列管(4)，其中所述圆柱形筒体(3)内壁上具有自上而下盘旋的双螺旋折流板(5)，所述双螺旋折流板(5)上具有可供所述反应列管穿过的孔洞。本实用新型中所采用的双螺旋折流板使圆柱形筒体(3)内