Regulator structure and centrifugal compressor with same

Abstract

The invention discloses a regulator structure and a centrifugal compressor with the same. The regulator structure comprises a cylindrical shell, a blade diffuser, a regulator, at least two pressure springs and at least two push-pull electromagnets. The blade diffuser is fixed to one end of the shell, the regulator is movably arranged in the shell and capable of axially moving along the shell, thepressure springs are arranged at intervals between the regulator and the blade diffuser, and the push-pull electromagnets are mounted at intervals in the shell and electrified to push the regulator tomove towards the blade diffuser. An inner barrel is coaxially fixed in the shell, and the regulator in a cylindrical shape movably sleeves the outer periphery of a supporting frame which fixedly sleeves one end, close to the blade diffuser, of the inner barrel. The regulator structure and the centrifugal compressor with the same have advantages of simple structure, effectiveness in changing of impeller outlet width and prevention of surging, and the like.

Description

technical field [0001] The invention relates to the technical field of adjuster structures, in particular to an adjuster structure capable of adjusting the outlet width of an impeller and a centrifugal compressor with the adjuster structure. Background technique [0002] For centrifugal compressors, install the regulator at the outlet of the impeller to form an adjustable section of width, and adjust the width of the outlet of the impeller according to the operating conditions of the unit to achieve the purpose of maintaining the highest efficiency operation of the unit in a wide range and preventing surge . Regulators for traditional centrifugal compressors are generally linked with the impeller regulator mechanism, and the structure and control are not independent. [0003] In the prior art, a regulator structure with a relatively independent structure and more precise control has appeared. For example, the invention patent with the publication number CN104421209A disclos...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, a regulator structure with a relatively independent structure and more precise control has appeared. For example, the invention patent with the publication number CN104421209A discloses a regulator structure and a centrifugal compressor, including: vane diffuser, Motor, driving gear, driven gear and adjustment mechanism. The adjustment mechanism includes regulator, support and regulator sliding parts. This kind of regulator structure uses many parts and complicated transmission, which is not conducive to processing and assembly, and the production cost is high.

Images