The invention belongs to an aircraft fuel tank inerting protection technology, and relates to a gas supply system for preparing nitrogen by an airborne membrane method. The system is characterized by comprising an ozone converter (1), a heat exchanger (2), a temperature sensor (3), a first switching valve (4), a filter (5), an electric control on-off valve (6), a pressure stabilizer (7), a membrane separator (8), a pressure sensor (9), a second switching valve (10), an oxygen concentration sensor (11), a flow distribution valve (12), a first flow limiter (13), a second flow limiter (14), a third flow limiter (15), a one-way valve (16), a first flame suppressor (17), a third switching valve (18), an oil tank (19), a washing nozzle (20), a flushing nozzle (21), a ventilation box (22), a second flame suppressor (23) and a controller (24). The invention provides the gas supply system structure for preparing nitrogen by an airborne membrane method, which perfects the structure of an aircraft fuel tank inerting protection system and solves the technical problem that the development of new aircrafts in China urgently needs to solve the gas supply system for preparing nitrogen by the airborne membrane method.
本发明属于飞机油箱惰性化防护技术,涉及一种机载膜法制氮的供气系统。其特征在于:它包括臭氧转换器(1)、热交换器(2)、温度传感器(3)、第一切换阀(4)、过滤器(5)、电控通断阀(6)、稳压器(7)、膜分离器(8)、压力传感器(9)、第二切换阀(10)、氧浓度传感器(11)、流量分配阀(12)、第一限流器(13)、第二限流器(14)、第三限流器(15)、单向阀(16)、第一火焰抑制器(17)、第三切换阀(18)、油箱(19)、洗涤喷嘴(20)、冲洗喷嘴(21)、通气箱(22)、第二火焰抑制器(23)和控制器(24)。本发明提出了一种机载膜法制氮的供气系统结构,完善了飞机油箱惰性化防护系统的结构,解决了我国新机的研制急需解决机载膜法制氮的供气系统的技术难题。
Gas supply system for preparing nitrogen by airborne membrane method
一种机载膜法制氮的供气系统
2022-01-25
Patent
Electronic Resource
Chinese
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