Hydrodynamic force optimization and operation and maintenance management system of vertical tube panel water-cooled wall boiler
A technology of power optimization and management system, applied in control systems, steam boilers, steam boiler accessories, etc., can solve the problems of permanent deformation of tube panels, strong local reducing atmosphere, thermal fatigue, etc., to reduce excessive temperature and wall temperature alternating , to facilitate the optimization of operation and maintenance management, and to achieve the effect of furnace tube life management
Inactive Publication Date: 2020-04-14
深能合和电力(河源)有限公司
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Problems solved by technology
[0006] 1. The local heat load is high, some tube panels are frequently overheated, and the material frequently reaches the temperature resistance limit, resulting in permanent deformation and thermal fatigue of the tube panel
[0007] 2. There is a large thermal deviation in the water wall tube panel, and with the change of boiler working conditions, frequent alternating stress is generated
[0008] 3. The local reducing atmosphere is strong, causing high temperature corrosion
To solve this problem, it is necessary to improve the coal quality or combustion conditions in the furnace, which is generally difficult, and can only be properly optimized by reducing the sulfur content in the furnace and supplemented by combustion adjustment. If the first two problems cannot be solved, the transverse cracks will still remain will happen
Method used
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[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0039] refer to Figure 1-4 , a vertical tube-panel water-cooled wall boiler hydrodynamic optimization, including: a vertical tube-panel water-cooled wall boiler, the vertical tube-panel water-cooled wall boiler is designed with a throttling hole ring at the inlet of the water-cooled wall, and the inlet of the middle header of the water-cooled wall corresponds to each throttling The pipe wall of the hole ring is equipped with wall temperature measuring points;
[0040] A vertical tube panel water wall boiler water operation and maintenance management system, the steps of the operation and maintenance management system are as follows:
[0041] Step 1: Configure the h...
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The invention relates to the technical field of hydrodynamic force of a vertical tube panel water-cooled wall boiler, in particular to a hydrodynamic force optimization and operation and maintenance management system of a vertical tube panel water-cooled wall boiler. The method comprises the following steps of Step 1, configuring software and hardware facilities required by the system; Step 2, inputting equipment basic data, and building an initial water-cooled wall system three-dimensional model; Step 3, inputting relevant real-time operation data; and Step 4, inputting real-time change conditions of operating coal types. The system provided by the invention belongs to a whole set of hydrodynamic force optimization system which is built from a generation mechanism of transverse cracks ofa water-cooled wall and includes data collection, calculation, analysis optimization and the like. The system deeply solves the problems that the local thermal load is high; a partial tube panel frequently generates over-temperature; the material frequently reaches the temperature resistance limit, so that the tube panel generates permanent deformation and thermal fatigue, and has great thermal deviation; and along with work condition change of the boiler, the frequent alternating stress is generated. The ultra-temperature and wall temperature alternation of tube materials can be reduced, so that the transverse crack problem is inhibited and solved.
Description
technical field [0001] The invention relates to the technical field of hydrodynamics of a vertical tube-panel water-cooled wall boiler, in particular to a hydrodynamic optimization and operation and maintenance management system for a vertical tube-panel water-cooled wall boiler. Background technique [0002] With the rapid development of supercritical boilers in China, a large number of large-scale coal-fired power plants with imported technology and localization have been put into operation. With the increase in the commissioning time of each project, after 1 to 2 overhaul cycles, due to the impact of power peak regulation and frequent changes in coal types, etc., Problems in boiler design, metal selection, etc. were gradually exposed, and equipment reliability dropped sharply. [0003] There are a batch of vertical water-cooled wall supercritical once-through boilers designed and manufactured by Mitsubishi Heavy Industries in China. The improved vertical water-cooled wall...
Claims
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IPC IPC(8): F22B35/18F23M5/08F22B37/42
CPCF22B35/18F22B37/421F23M5/08
Inventor 陈铭颉红亮刘晓东刘力王永杰陈雷
Owner 深能合和电力(河源)有限公司