Water suction chamber structure of double-suction fire pump

• Main Authors: YANG XIAOXIONG, JIANG DUNJUN, GAO JIANMEI, ZHOU KUN, ZHANG SHIPENG
• Format: Patent
• Language: Chinese; English
• Published: 15.03.2022
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model relates to a double-suction fire pump water suction chamber structure which comprises two semi-spiral water suction chambers which are symmetrically arranged in the axial direction, and each water suction chamber is provided with an inlet and two outlets. A flow dividing structure with a streamline section is arranged in the water suction chamber and arranged on the cross section of the water suction chamber and the pumping chamber. The pump is simple in structure and low in casting difficulty, and the cost and the weight of the pump are greatly reduced; the diversion structure is arranged in the water suction chamber, so that the cavitation performance of the water suction chamber is greatly improved, the efficiency of a water pump is improved, meanwhile, the use requirement is met, and the diversion structure has high application value. 本实用新型涉及一种双吸消防泵吸水室结构，包括两个轴向对称布置的半螺旋形吸水室，所述吸水室设有一个进口和两个出口；所述吸水室内设有一个截面为流线型的分流结构，分流结构设置在吸水室与压水室的相交截面上。本实用新型结构简单，铸造难度低，大大降低了成本和泵的重量；本实用新型在吸水室内部设置分流结构，大大改善了吸水室汽