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Marine square box type bending pipe dehumidifying apparatus

A technology of box-type and bent pipes, which is applied in the field of marine square box-type bent pipe dehumidification devices, can solve the problems of large size of dehumidification devices, complex system pipelines, large pressure loss, etc., achieve simplified structure and installation process, and good separation effect , the effect of reducing steam humidity

Inactive Publication Date: 2016-03-09
赵洋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of large size, high cost, large pressure loss, and complicated system piping of the external dehumidification device of the marine steam turbine, a marine square box elbow dehumidification device based on the square box elbow is provided

Method used

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  • Marine square box type bending pipe dehumidifying apparatus
  • Marine square box type bending pipe dehumidifying apparatus
  • Marine square box type bending pipe dehumidifying apparatus

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Embodiment Construction

[0019] Embodiments of the present invention are shown in Figures 1 to 3. The marine square box elbow dehumidifier is provided with an inlet flange 1, a square box elbow 2 and an outlet flange 3. The inlet flange 1 is circular and connected with an inlet round pipe. 11. The inlet round pipe 11 is connected with an inlet round pipe-to-square pipe transition section 12, and the inlet round pipe-to-square pipe transition section 12 is connected to the intake end of the square box elbow 2, and the air passage in the cross section of the square box elbow is rectangular; The outlet flange 3 is circular and connected with an outlet round pipe 13, the outlet round pipe 13 is connected with an outlet round pipe-to-square pipe transition section 14, and the outlet round pipe-to-square pipe transition section 14 is connected to the gas outlet of the square box elbow 2; A number of hollow guide dehumidification blades 6 are arranged between the inner corner 4 and the outer corner 5 of the b...

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Abstract

The present invention relates to a marine square box type bending pipe dehumidifying apparatus, which comprises an inlet flange, a square box bending head and an outlet flange, and is characterized in that the inlet flange is connected to the gas inlet end of the square box bending head, the outlet flange is connected to the gas outlet end of the square box bending head, a plurality of hollow diversion dehumidifying blades are aligned between the inner corner and the outer corner inside the square box bending head, the whole cross section of the hollow diversion dehumidifying blade presents a meniscus shape, the inner side arc surface is a pressure surface and is toward the inner corner, both ends are respectively and fixedly connected to both side plates of the square box bending head, a longitudinal suction chamber is arranged inside the hollow diversion dehumidifying blades and is communicated to the outside of the square box bending head, the hollow diversion dehumidifying blade pressure surface position close to the tail edge is provided with a longitudinal water capture groove communicated to the suction chamber, and the section from the water capture groove edge to the hollow diversion dehumidifying blade 6 tail edge is provided with a stepped water capture hook structure. The marine square box type bending pipe dehumidifying apparatus of the present invention has characteristics of effective dehumidifying efficiency improving, simple structure, and easy installation.

Description

technical field [0001] The invention relates to an external steam dehumidification device of a steam turbine, in particular to a square box type elbow dehumidification device for ships. Background technique [0002] The exhaust steam of the high-pressure cylinder of the main marine steam turbine is often in the state of wet steam two-phase flow. After the steam with high humidity enters the low-pressure steam turbine, it will not only reduce the aerodynamic efficiency and working ability of the steam turbine, but also cause the blades of the last few stages of the steam turbine to break down. Water erosion damage, so it is necessary to discharge the wet steam from the high-pressure cylinder to the steam-water separator to reduce the humidity, and then introduce it into the low-pressure cylinder to do work, so as to eliminate or reduce the harm caused by the flow of wet steam. At present, the most widely used external dehumidification device for ships is to install an externa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D45/16B01D45/18F01D25/00
Inventor 赵洋
Owner 赵洋
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