Venturi tube device used for head portion of chemical regenerative cycle combustor

• Main Authors: HU XIAOMING, ZHENG HONGTAO, YANG REN, KANG ZHENYA, YANG HONGLEI, JIA XIANGYU, JIANG YU, TANG ZHONGBIN, LIU XIAO, LI ZHIMING
• Format: Patent
• Language: Chinese; English
• Published: 26.06.2013
• Subjects: BLASTING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS; HEATING; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

The invention provides a venturi tube device used for the head portion of a chemical regenerative cycle combustor. The venturi tube device comprises an installing edge, a venturi tube inlet and a venturi tube outlet, wherein the installing edge is located on one side of the venturi tube inlet, a venturi tube throat path is arranged between the venturi tube inlet and the venturi tube outlet, flow disturbing cones are arranged at the venturi tube outlet, each flow disturbing cone is in a triangular pyramid shape, the head portion of each flow disturbing cone points to the venturi tube inlet direction, the bottom face of each flow disturbing cone is aligned with the surface of the venturi tube outlet, distances between the flow disturbing cones are the same, and the flow disturbing cones are evenly arranged. According to the venturi tube device used for the head portion of the chemical regenerative cycle combustor, the flow disturbing cones on the rear portion of the venturi tube device can play a strong flow di