CN213088334U

CN213088334U - Axial flow compressor rectifier

Info

Publication number: CN213088334U
Application number: CN202022166537.9U
Authority: CN
Inventors: 于大千; 钱原吉; 冯泽林; 张权; 罗京帅; 程星宇
Original assignee: Jiangsu Yuanqing Power Technology Co ltd
Current assignee: Jiangsu Yuanqing Power Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-04-30
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses an axial compressor rectifier belongs to the supporting spare part field of axial compressor, and its technical scheme main points are including outer loop and inner ring, the inner ring is located the outer ring, and outer loop and the coaxial setting of inner ring, be provided with two-layer blade between outer loop and the inner ring, the blade is even circumference and distributes to two-layer blade interval arrangement that misplaces, the utility model has the advantages of the water conservancy diversion effect is outstanding, and single blade load is little, improves the life of rectifier.

Description

Axial flow compressor rectifier

Technical Field

The utility model relates to a supporting spare part field of axial compressor, in particular to axial compressor rectifier.

Background

Axial compressors are compressors in which the gas flow is substantially parallel to the axis of the rotating impeller. Axial compressors are the most commonly used type of compressor in gas turbines with power of 1MW and above. The compressor adopts multiple stages, and the number of the stages is

In the meantime. Axial compressors consist of multiple stages, each stage containing a row of rotor blades and a subsequent row of stator blades. The working medium is first accelerated by the rotor blade and decelerated in the passage of the stator blade to convert the kinetic energy in the rotor into static pressure energy, and the process is repeated in the multiple stages of blades until the total pressure ratio reaches the requirement.

The rectifier is an important part used in the axial flow compressor, the rectifier is mainly used for rearranging air flow, the blades of the existing rectifier are arranged in a layer mode, the flow guiding effect is poor, the load of a single blade is large, and the service life of the rectifier is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an axial compressor rectifier, its advantage lies in that the water conservancy diversion effect is outstanding, and single blade load is little, improves the life of rectifier.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an axial compressor rectifier, includes outer loop and inner ring, the inner ring is located the outer loop, and outer loop and the coaxial setting of inner ring, be provided with two-layer blade between outer loop and the inner ring, the blade is even circumference distribution to two-layer blade interval is arranged by mistake.

Further, the blades are arranged in an arc shape, and the two layers of blades are obliquely arranged and have the same inclination angle.

Further, the position that the blade links to each other with the inner ring sets up the reinforcement root, the front and back two sides of reinforcing the root are the arcwall face.

Furthermore, be provided with annular inner flange plate on the inner wall of inner ring, inner flange plate is opened has a plurality of pilot holes, and the pilot hole is evenly arranged along inner flange plate's circumferencial direction.

Furthermore, the outer wall of the outer ring is provided with a hoisting hole.

To sum up, the utility model discloses following beneficial effect has:

1. the arrangement of two layers of blades is adopted to guide wind, so that the rectification effect is improved;

2. the load of a single blade is small, the load of the blade is reduced, and the condition of blade damage is reduced;

3. the blade is connected with the junction of inner ring through strengthening the root and reinforceing, reduces the cracked condition of blade root portion to appear.

Drawings

Fig. 1 is a schematic structural view of an axial compressor rectifier.

In the figure, 1, outer ring; 11. hoisting holes; 2. an inner ring; 21. an inner edge panel; 22. an assembly hole; 3. a blade; 31. and reinforcing the root.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): the utility model provides an axial compressor rectifier, as shown in figure 1, includes outer loop 1 and inner ring 2, and inner ring 2 is arranged in outer loop 1, and outer loop 1 and inner ring 2 are coaxial to be set up, are provided with blade 3 a plurality of between outer loop 1 and the inner ring 2, and blade 3 is arranged along the axial to two-layer, and individual layer blade 3 is even circumference distribution to two-layer blade 3 interval arrangement, two-layer blade 3 are the slope and arrange, and inclination is the same. The single blade 3 is arranged in an arc shape in order to increase the area of the blade surface. When the air guide vane is used, air passes through the rectifier, airflow flows along the vane surfaces of the vanes 3, and the airflow passes through the double-layer vanes 3, so that the flow guide effect is excellent. Compared with the single-layer blade 3, the single blade 3 has small load and is not easy to damage, and the single blade 3 has small volume and low manufacturing difficulty.

The reinforced root part 31 is arranged at the position where the blade 3 is connected with the inner ring 2, and the front surface and the rear surface of the reinforced root part 31 are arc surfaces. Since the root of the blade 3 is generally a place where cracks are likely to occur, the reinforcement is performed using the reinforcing root 31. The front and back surfaces of the reinforcing root part 31 are arc surfaces, which is beneficial to ensuring that the blade 3 is streamline and convenient for air to flow through.

Be provided with annular inner flange 21 on the inner wall of inner ring 2, inner flange 21 is opened has a plurality of pilot holes 22, and pilot holes 22 evenly arranges along inner flange 21's circumferencial direction, and when the fixed rectifier of installation, the bolt that uses passes pilot holes 22.

The outer wall of the outer ring 1 is provided with a plurality of hoisting holes 11. When the rectifier is installed, the bolt of the lifting appliance can be inserted into the lifting hole 11, and the rectifier is fixed conveniently.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an axial compressor machine rectifier which characterized in that: including outer ring (1) and inner ring (2), inner ring (2) are arranged in outer ring (1), and outer ring (1) and inner ring (2) are coaxial to be set up, be provided with two-layer blade (3) between outer ring (1) and inner ring (2), blade (3) are even circumference and distribute to two-layer blade (3) interval arrangement that falls by mistake.

2. The axial flow compressor rectifier of claim 1, wherein: the blades (3) are arranged in an arc shape, and the two layers of blades (3) are obliquely arranged and have the same inclination angle.

3. The axial flow compressor rectifier of claim 2, wherein: the reinforcing root part (31) is arranged at the position where the blade (3) is connected with the inner ring (2), and the front surface and the rear surface of the reinforcing root part (31) are arc-shaped surfaces.

4. The axial flow compressor rectifier of claim 1, wherein: be provided with annular inner flange board (21) on the inner wall of inner ring (2), inner flange board (21) are opened has a plurality of pilot holes (22), and pilot hole (22) are evenly arranged along the circumferencial direction of inner flange board (21).

5. The axial flow compressor rectifier of claim 1, wherein: the outer wall of the outer ring (1) is provided with a hoisting hole (11).