Unlock instant, AI-driven research and patent intelligence for your innovation.

A thermal flushing method for air-cooled islands that is not restricted by the amount of desalinated water

A hot flushing and air-cooling island technology, applied in flushing, cleaning heat transfer devices, lighting and heating equipment, etc., can solve the problem of large waste and achieve the effect of avoiding waste

Active Publication Date: 2016-08-31
STATE GRID CORP OF CHINA +2
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, during the flushing period of the entire air-cooled island, at least two boiler shutdowns are required, which is a huge waste

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A thermal flushing method for air-cooled islands that is not restricted by the amount of desalinated water
  • A thermal flushing method for air-cooled islands that is not restricted by the amount of desalinated water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Taking Hebei Jiantou Shahe Power Plant 2×600MW air-cooling unit project as an example to describe in detail:

[0061] 1. Introduction to Hebei Jiantou Shahe Power Plant 2×600MW air-cooling unit project

[0062] Hebei Jiantou Shahe Power Plant 2×600MW supercritical air-cooling unit project, the steam turbine is NZK-24.2 / 566 / 566 supercritical, three-cylinder four-exhaust, one-time intermediate reheat, single-shaft, direct air-cooling produced by Dongfang Steam Turbine Co., Ltd. Steam turbine. Direct air cooling is to introduce the steam discharged from the steam turbine into the air-cooled condenser through the exhaust pipe, and directly use the air to condense, and the heat exchange between the air and the steam. The air cooling system of this machine adopts the mechanical ventilation direct air cooling system produced by Jiangsu Shuangliang Air Conditioning Co., Ltd.

[0063] The steam discharged from the low-pressure cylinder of the steam turbine is led from the main b...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to an air-cooled island hot-state flushing method that is not restricted by the amount of desalinated water, comprising the following steps: step 1, preparation for flushing, step 2, preliminary washing, step 3: flushing, step 4, fine washing, step 5, replenishment It can get rid of the limitation of the desalinated water volume by the thermal flushing of the air-cooled island, and can meet the needs of the thermal continuous flushing of the air-cooled island under different working conditions under the condition that the desalted water production capacity and water storage capacity of the power plant remain unchanged. To solve the problem of stopping the furnace and waiting for water during the flushing process, the whole cleaning process is carried out continuously, so that the unit does not have to stop to wait for the desalinated water, and does not affect the test and commissioning of the unit, and can recover part of the desalinated water, avoiding great waste.

Description

technical field [0001] The invention belongs to the technical field of hot-state flushing of an air-cooled island of a steam turbine unit, and in particular relates to a hot-state flushing method of an air-cooled island that is not restricted by the amount of desalinated water. Background technique [0002] The air-cooled unit in the steam turbine generator set must introduce boiler steam into the air-cooled condenser to perform thermal flushing of the pipes and heat exchange tube bundles before the whole set is started, and remove the dirt (mainly iron oxide) in the air-cooled condenser from the system , Condensed water containing a large amount of dirt is discharged directly and cannot enter the condensed water system. During the flushing process, the water used by the unit is directly fed into the exhaust device of the turbine by desalinated water. [0003] Before hot flushing of the air-cooled island of the air-cooled unit, the condensed water pipe is generally disconnec...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): F28G9/00
Inventor 张伟江牟法海吴立民李宁高翔
Owner STATE GRID CORP OF CHINA
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com