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Method for assembling nozzle ring

A technology for nozzle rings and nozzle blades, which is applied in the field of assembling nozzle rings, can solve problems such as time-consuming and complicated assembly process of nozzle rings, and achieve the effect of simplifying the assembly process and improving assembly efficiency

Active Publication Date: 2015-11-25
SIEMENS ENERGY GLOBAL GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Complex and time-consuming assembly of existing nozzle rings

Method used

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  • Method for assembling nozzle ring
  • Method for assembling nozzle ring
  • Method for assembling nozzle ring

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Experimental program
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Embodiment Construction

[0027] In order to have a clearer understanding of the technical features, purposes and effects of the invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals represent the same parts.

[0028] In this article, "schematic" means "serving as an example, example or illustration", and any illustration or implementation described as "schematic" should not be interpreted as a more preferred or more advantageous Technical solutions.

[0029] In order to make the drawing concise, each drawing only schematically shows the parts related to the present invention, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked.

[0030] Herein, "a" not only means "only o...

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PUM

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Abstract

The invention relates to a method for assembling a nozzle ring. The method sequentially comprises the following steps that step 10, side holes are cut in an outer ring; step 20, at least six nozzle vanes are equably positioned along the circumference of the outer ring, and the nozzle vanes extend into the outer ring through the side holes; step 30, fixing holes allowing the nozzle vanes and the outer ring to penetrate through are drilled; step 40, corresponding pins are put into the fixing holes for fixing the nozzle vanes and the outer ring; step 50, the rest of nozzle vanes are made to extend into the rest of side holes, fixing holes are drilled for fixing the rest of nozzle vanes and the outer ring, and then corresponding pins are put in the fixing holes; and step 60, tenons on the roots of the nozzle vanes are riveted to surrounding straps. According to the method for assembling the nozzle ring, the assembly process of the nozzle ring is simplified and the assembly efficiency of the nozzle ring is improved.

Description

technical field [0001] The present invention mainly relates to a method for assembling a nozzle ring, in particular to a method for assembling a nozzle ring of a steam turbine. Background technique [0002] Steam turbines can be used to power generators, compressors, pumps and other equipment, and can be used in power plants, chemical plants, sugar factories, textile mills, steel mills, paper mills or mines, etc. Related systems generally include: a steam generator that turns water into steam by heating (for example, by coal, natural gas, or fuel oil); and a steam turbine that converts energy contained in steam into kinetic energy to drive various devices. There are stationary blades on the cylinder block and moving blades on the rotor in the steam turbine. When the steam turbine is running, the expanded high-pressure steam passes through several stages arranged alternately by the stationary blades and the moving blades to turn the rotor. The pressure in the steam turbine ...

Claims

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Application Information

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IPC IPC(8): B23P21/00F01D9/04
Inventor 伊里·赫洛沃采克
Owner SIEMENS ENERGY GLOBAL GMBH & CO KG