Mixed-coal blending combustion prediction system with post-evaluation system

A post-evaluation and coal blending technology, applied in forecasting, information technology support systems, instruments, etc., can solve problems such as inability to obtain enough design coal types

Inactive Publication Date: 2017-11-03
XIAN TPRI BOILER ENVIRONMENTAL PROTECTION ENG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Now, more and more coal-fired power plants cannot obtain enough coal types for design, so they can only mix and burn multiple coal types

Method used

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  • Mixed-coal blending combustion prediction system with post-evaluation system
  • Mixed-coal blending combustion prediction system with post-evaluation system
  • Mixed-coal blending combustion prediction system with post-evaluation system

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Experimental program
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Embodiment Construction

[0164] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0165] like figure 1 As shown, the coal blending and combustion prediction process:

[0166] 1. To start coal blending and blending prediction, first select 1-3 single coals from the China Power Coal Database and input coal quality data.

[0167] 2. Select the equipment information of the boiler for blending and input the operating conditions.

[0168] 3. Select the blending method as premixing or split grinding blending.

[0169] 4. Use the exhaustive method to automatically assign the coal blending ratio.

[0170] 5. Call the coal-fired coal quality calculation and coal quality evaluation sub-module to calculate and evaluate the mixed coal quality.

[0171] 6. Under the condition of the coal blending ratio, calculate the 2-8 modules of coal blending and blending prediction, and record the calculation results and evaluation conclusions.

[0172...

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Abstract

The invention discloses a mixed-coal blending combustion prediction system with a post-evaluation system. During mixed-coal blending combustion of various kinds of coal in a power plant, design parameters, structure features and fuel feature data of the power plant are combined to pre-judging a blending combustion scheme for configuring different kinds of coal and blending combustion proportions for a unit, so burning tests can be reduced, environmental protection and safety risks are avoided and operation economy of the unit is improved. Post-evaluation is performed on the scheme about the mixed-coal blending combustion prediction suggestion through operation data of actual blending combustion to verify whether the scheme is feasible. According to the invention, proper, simple and effective decision technical support is provided for research of mixed coal blending combustion of a target power plant and theoretical and application foundation is laid for the development of the mixed-coal blending combustion technology.

Description

Technical field: [0001] The invention relates to a coal blending and combustion prediction system with a post-assessment system. The invention belongs to the technical field of thermal power generation. Background technique: [0002] The coal quality characteristics and the adaptability of the boiler unit are very important to the safety, environmental protection and economical operation of the boiler unit. Coal-fired power plants must have a comprehensive understanding of the design coal types, check coal types, and coal types that are being burned or blended and may be burned or blended, and master their grinding, ignition, combustion, slagging, and contamination. Pollution and environmental protection features can ensure the safety and economy of the entire thermal power plant operation. Now, more and more thermal power plants cannot obtain enough coal types for design, so they can only mix and burn multiple coal types. In the era of power plants bidding online, how to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/06375G06Q50/06Y04S10/50
Inventor 蒙毅李仁义赵越姚伟
Owner XIAN TPRI BOILER ENVIRONMENTAL PROTECTION ENG CO LTD
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