一种防止鼓风机轴端密封泄漏煤气的装置

Device for preventing gas leakage from shaft-end seals of air blower

Abstract

The invention provides a device for preventing gas leakage from shaft-end seals of an air blower. The device comprises a draught fan shell (1), the broach type seals (2), a rotor (3), a balance disc cavity (4), a gas recovery pipe (5), a ball valve (6), a yellow dry oil cup (16), a first impeller (7), a second impeller (15), a first sluice valve (9), a second sluice valve (11), a third sluice valve (12) and a fourth sluice valve (8); the first impeller (7) and the second impeller (15) are installed on the rotor (3) in a sleeving manner, the broach type seals (2) are installed at the gas inlet end and the gas outlet end, and the ball valve (6) is installed at the gas inlet end; the yellow dry oil cup (16) is installed at the gas outlet end, a gas recovery pipe (5) is paved at the gas outlet end, and the second sluice valve (11) and the third sluice valve (12) are installed on the gas recovery pipe (5); and a first gas pipe (14) is paved between the second sluice valve (11) and the third sluice valve (12), and a gas outlet pipe and a gas inlet pipe are provided with the first sluice valve (9) and the fourth sluice valve (8) correspondingly.
本发明提供一种防止鼓风机轴端密封处煤气泄漏的装置,包括:风机机壳(1),梳齿型密封(2),转子(3),平衡盘腔(4),煤气回收管(5),球阀(6),黄干油杯(16),第一叶轮(7),第二叶轮(15),第一闸阀(9),第二闸阀(11),第三闸阀(12)和第四闸阀(8);该第一叶轮(7)和该第二叶轮(15)套在该转子(3)上,该梳齿型密封(2)安装在进气端和出气端,该球阀(6)安装在进气端;该黄干油杯(16)安装在出气端,在出气端铺设一煤气回收管路(5),在其上安装该第二闸阀(11)和该第三闸阀(12);在二者之间铺设第一煤气管路(14),在煤气出气管路和进气管路上分别安装该第一闸阀(9)和该第四闸阀(8)。

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