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An energy-saving climate feedback dynamic control device and method for eliminating smoke plume

A control device and energy-saving technology, applied in separation methods, climate sustainability, neural learning methods, etc., can solve problems such as high exhaust gas temperature, more heat consumption, and increased costs, so as to reduce operating costs and reduce Experimental cost, effect of system flexibility

Active Publication Date: 2020-03-31
XI AN JIAOTONG UNIV
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  • Abstract
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Problems solved by technology

However, if the exhaust gas temperature is too high, more heat consumption will be invested in the reheating process, which will increase the cost of the entire enterprise

Method used

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  • An energy-saving climate feedback dynamic control device and method for eliminating smoke plume
  • An energy-saving climate feedback dynamic control device and method for eliminating smoke plume
  • An energy-saving climate feedback dynamic control device and method for eliminating smoke plume

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Embodiment Construction

[0055] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0056] For the plume elimination technology route of condensation reheating, there are many factors that affect the effect of plume elimination and the whole life cycle cost of the system, among which the most important factors are the flue gas condensation heat exchanger and the outlet flue gas temperature of the flue gas reheater . The reduction of the flue gas temperature at the condensing outlet and the increase of the flue gas temperature at the outlet of the flue gas reheater will achieve the purpose of eliminating the plume, but at the same time it will increase a large amount of power consumption and heat consumption, resulting in high investment and operation and maintenance costs for the enterprise. The outlet flue temperature of the flue gas c...

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Abstract

The invention discloses an energy-saving climate feedback dynamic control device and method for eliminating smoke plume. Under the conditions of inputting atmospheric temperature, humidity and wind speed, by changing the outlet smoke temperature of the flue gas condensing heat exchanger, it is predicted that the smoke plume will be eliminated. The minimum outlet flue gas temperature of the flue gas reheater under the condition; adopting this invention can realize the dynamic prediction and the dynamic prediction of the flue gas condensing heat exchanger outlet flue gas temperature Control to make the real-time operation cost the lowest; through the construction of MySQL to eliminate the plume parameter database, establish a system evaluation system, and select a group of flue gas condensation heat exchangers and flue gas reheater outlet flue temperatures with the lowest life cycle costs as the heat exchange The design parameters of the flue gas condensation heat exchanger and the flue gas reheater are determined according to the target design temperature of the heat exchanger, and the control device is used for dynamic regulation to reduce the initial investment cost and operation and maintenance cost of the heat exchanger.

Description

technical field [0001] The invention relates to the field of dynamic control of flue gas condensation heating to eliminate smoke plume (commonly known as whitening), in particular to an energy-saving climate feedback dynamic control device and method for eliminating smoke plume. Background technique [0002] With the sustained and rapid development of my country's economy, the consumption of fossil energy is increasing year by year, and the air quality is deteriorating day by day. [0003] In order to achieve ultra-low emission requirements, most thermal power plants use limestone / gypsum wet desulfurization to remove SO 2 . Using this method, the emission of SO 2 The concentration is controlled at 20mg / m 3 However, if this method is used for desulfurization, the exhausted flue gas contains a large amount of saturated water vapor, soluble salt aerosol with a particle size of less than 5m, SO 3 / H 2 SO 4 , HF, HCl and other acid gases. SO 3 and soluble salt aerosols wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B13/04
CPCF23J15/06F23J15/08F23J15/02G06Q10/04G06Q10/0639G06Q50/06G06N3/084G05B13/027G05B13/042B01D53/265G06N3/045Y02E20/30
Inventor 赵钦新李光英邓世丰王云刚梁志远
Owner XI AN JIAOTONG UNIV
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