Spiral-flow type liquid fire extinguishing agent nozzle and fire extinguisher

• Main Authors: LI CHAO, DUAN GUILIN, NI HANG, CHEN QIANG, WANG YUANRONG
• Format: Patent
• Language: Chinese; English
• Published: 07.01.2022
• Subjects: FIRE-FIGHTING; HUMAN NECESSITIES; LIFE-SAVING

The utility model discloses a spiral-flow type liquid fire extinguishing agent nozzle and a fire extinguisher, the nozzle comprises a nozzle body, the interior of the nozzle body is a first cavity, and a rotary core assembly is arranged in the first cavity; the rotary core assembly comprises a rotary core body and a rotary core, external threads are arranged on the outer side of the rotary core body, and the rotary core body is fixedly connected with the nozzle body through the external threads; the rotary core body comprises a nozzle opening and a second cavity, a rotary core is embedded in the second cavity, the rotary core comprises a straight channel and a spiral channel, and a liquid fire extinguishing agent passes through the straight channel and the spiral channel, is converged at the nozzle opening and then is sprayed out. The nozzle has the advantages of high spraying speed, uniform distribution, long spraying distance, good atomization effect, good fire extinguishing effect and the like. 本实用新型公开了一种旋