Multi-stage axial-flow compressor of gas turbine

Abstract

The invention discloses a multi-stage axial-flow compressor of a gas turbine, and relates to the technical field of compressors, in particular to a multi-stage axial-flow compressor of a gas turbine.The multi-stage axial-flow compressor comprises a shell, wherein positioning pieces which are symmetrically distributed are fixedly connected to the two sides of the outer part of the shell, and fixing rings are fixedly connected to the bottoms of the positioning pieces; and the bottoms of the fixing rings are fixedly connected with fixing clamping blocks. According to the multi-stage axial-flow compressor of the gas turbine, a sleeve is fixedly connected to the left end of the shell, symmetrically-distributed filter screen plates are movably connected to the interior of the sleeve, and a buckle is fixedly connected to the tops of the filter screen plates; and meanwhile, the buckle is stably buckled to the exterior of the sleeve, fixing nuts are movably connected to the top of the buckle,and the overall stability between the filter screen plates and the sleeve is controlled through the fixing nuts, so that it can be guaranteed that the device can filter dust in outside air, and thus the problem that an existing device is prone to being blocked by the dust is solved.

Description

technical field [0001] The invention relates to the technical field of compressors, in particular to a multi-stage axial flow compressor of a gas turbine. Background technique [0002] Axial flow compressor is a compressor whose airflow is basically parallel to the axis of the rotating impeller. Axial flow compressor is the most common type of compressor used in gas turbines with a power of 1MW and above. At the same time, axial flow compressor belongs to impeller machinery. An important component of a gas turbine engine, its function is to add work and pressurize the inflowing gas, that is, to add mechanical energy to the inflowing gas to perform compression work to increase the pressure of the gas. Therefore, for aviation equipment, a gas engine is required. stage axial flow compressor. [0003] At present, there are many types of axial flow compressors on the market, but when the existing devices add power and pressurize the inflowing gas, dust and larger particles in th...

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Problems solved by technology

[0003] At present, there are many types of axial flow compressors on the market, but when the existing devices add power and pressurize the inflowing gas, dust and larger particles in the external environment are often sucked into the device and the blades of the turbine. These dusts will greatly affect the normal operation of the device. At the same time, the air intake of the existing device is small. Due to the short length of the engine of the existing device, the treatment of the inflowing gas volume is insufficient. In addition, the stator blades in the stator blade area of ​​the existing device The flow rate of separable gas is limited. During the operation of the device, it is often affected by the blades in the stator blade area, which leads to surge of the device. For this reason, we propose a multi-stage axial flow compressor for gas engines.

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