Steam compressor for evaporator and working method

Abstract

The invention discloses a steam compressor for an evaporator. The steam compressor comprises a compressor shaft, and a main blade rotor and a guide rotor arranged on the compressor shaft; multiple main blades are uniformly arranged at the outer periphery of the main blade rotor; multiple guide blades are uniformly arranged at the outer periphery of the guide rotor; the guide rotor is positioned under the main blade rotor; a semi-spherical valley cover is mounted at the lower part of the guide rotor; multiple disperser blades are arranged at the outer peripheries of the main blades; the outer sides of the disperser blades are correspondingly connected with disperser channels; a main cover plate is arranged under the main blades and the guide blades; the upper part of the main cover plate isconnected with the disperser channels; and the main cover plate, the guide rotor, the main blade rotor and a protective cover connected to the upper part of the compressor shaft form a compressor compression cavity. The guide blades are axial-flow blades, and the main blades are centrifugal blades to achieve prominent advantages of high steam quantity, low temperature rise, compact structure, lowenergy consumption, low noise, good plasticity and negative-pressure operation; and a two-stage split design is adopted to save the transportation, installation, maintenance and debugging costs.

Description

technical field [0001] The invention relates to the technical field of compressors, in particular to a steam compressor for an evaporator and a working method. Background technique [0002] At present, the compressors used in domestic evaporators are all centrifugal compressors based on the ternary theory, and most of them are general models of compressor manufacturers. The design of the compressor mostly adopts the aerodynamic model, which is different from the working environment used by the evaporator. For the particularity of large flow rate, low temperature rise, low energy consumption and negative pressure operation required by the evaporator process, there is a lack of targeted and effective special design. In addition, existing domestic compressors for evaporators still have problems such as large volume, high noise, and large installation area. [0003] The gearbox used in the patent application number (201310334649.2) of the centrifugal steam compressor causes tr...

AI Technical Summary

Problems solved by technology

There is a lack of targeted and effective special design for the particularity of large flow, low temperature rise, low energy consumption and negative pressure operation required by the evaporator process

In addition, the existing evaporator compressors in China still have problems such as large volume, high noise, and large installation area.

[0003] The gearbox used in the patent application number (201310334649.2) of the centrifugal steam compressor causes transmission loss and low work efficiency, and adopts centrifugal three-dimensional flow blades, which are not suitable for the working environment required by the evaporator. In the comparison document, the main blades of the impeller, The sub-blades and the impeller are integrally formed, which is inconvenient for transportation, installation, maintenance and replacement

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