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A flexible industrial boiler and its operating method

A technology of industrial boilers and operating methods, which is applied in steam boilers, fluid heaters, steam generation, etc., can solve problems such as not in the system, and achieve the effect of satisfying flexible operation

Active Publication Date: 2015-12-16
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing industrial boiler technology only provides adjustment methods for a certain parameter of the boiler (such as temperature, pressure, etc.). Although it contains certain "flexibility" features, it does not make the combustion side and the working medium side simultaneously from the system aspect. Has "flexibility"

Method used

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  • A flexible industrial boiler and its operating method
  • A flexible industrial boiler and its operating method
  • A flexible industrial boiler and its operating method

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Embodiment Construction

[0023] When the present invention adopts the concept of flexibility to design the industrial boiler, on the one hand, the combustion and flow in the furnace are guaranteed to be flexible on the combustion side, and on the other hand, the heat exchange side of the heating surface is also flexible. That is, a flexible mechanism consisting of an adjustable arch 8, an adjustable flame wall 12, and parallel pipe valves is arranged on the furnace and heating surface of the industrial boiler to adjust the angle of the adjustable arch and the adjustable flame wall. , valve opening of parallel pipelines, etc., thereby changing the distribution ratio of combustion and heat transfer in the furnace, and adapting to changes in boiler load through changes in these flexible factors, while ensuring rigid indicators such as boiler exhaust gas temperature and environmental protection emission indicators remain unchanged.

[0024] When operating a flexible industrial boiler, the position of the f...

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Abstract

The invention provides a flexible industrial boiler and an operation method thereof, which belong to the technical field of combustion equipment. The industrial boiler consists of a grate, a front arch, a rear arch, a high temperature superheater, a lower temperature superheater, a convection bank, an economizer and an air preheater, wherein an adjustable middle arch and an adjustable flame turning wall are arranged at a combustion side, and the superheaters, the economizer and the air preheater are provided with parallel pipelines at a heat exchanging side respectively. The operation method of the industrial boiler comprises the steps of adjusting the angles of the adjustable middle arch and the adjustable flame turning wall so as to change the position of flame and the flowing direction of flue gas; adjusting the opening degree of valves on the parallel pipelines on heated surfaces so as to change the flow rate of working media in the heated surfaces for enabling a combustion process and a heat exchange process to have a flexible characteristic. The boiler is particularly suitable for industrial occasion where a user has a greater changed requirement on steam or hot water loads and can be used as flexible power source equipment in an industrial flexible system.

Description

technical field [0001] The present invention relates to a kind of combustion equipment, in particular to a kind of flexible layer combustion combustion equipment, which is especially suitable for the user's demand for steam or hot water load and variety as the market demand, season, availability of process steam equipment and other conditions change. In industrial occasions with great changes, the flexible industrial boiler of the present invention is a flexible power source device in an industrial flexible system. Background technique [0002] Industrial boilers are widely used in the process of heating and steam supply. Since the user's demand for steam or hot water load and varieties varies with market demand, seasons, availability of process steam equipment and other conditions in a considerable range, the traditional rigid The design is facing challenges in practical applications, and it is imperative to carry out flexible design for industrial boilers. In order to mee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F22B31/08F24H1/22
Inventor 李清海张衍国蒙爱红冯蘅
Owner TSINGHUA UNIV
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