Method for determining optimal circulation ratio of heat exchange network with circulation reactor
A circulating reactor and heat exchange network technology, applied in instruments, adaptive control, control/regulation systems, etc., can solve problems such as reaction kinetics and thermodynamics that are not considered, and achieve environmental protection, energy saving, environmental protection, and energy conservation Effect
Active Publication Date: 2020-04-14
XI AN JIAOTONG UNIV
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Since this method does not consider reaction kinetics and thermodynamics, it is impossible to comprehensively consider the parameters of the reactor for system optimization
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[0034] The following will refer to the attached Figure 1 to Figure 5 Specific examples of the present invention are described in more detail. Although specific embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and is not limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.
[0035] It should be noted that certain terms are used in the specification and claims to refer to specific components. Those skilled in the art should understand that they may use different terms to refer to the same component. The specification and claims do not use differences in nouns as a way of distinguishing components, but use differences in functions of components as a criterion for distinguishing. "Includes" or "comprises" mentioned throughout ...
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The invention discloses a method for determining the optimal circulation ratio of a heat exchange network with a circulation reactor. The method comprises the following steps of: extracting the inletand outlet temperature and flow of cold and hot flow in the heat exchange network to determine the released heat, recording the heat as a heat load, combining all heat sources into a source compositecurve, and similarly drawing a trap composite curve; extracting circulating reactor parameters at least comprising the inlet flow, component concentration, inlet temperature, outlet temperature and conversion rate, determining the relationship between the outlet temperature and the circulation ratio of a circulating reactor according to reaction kinetics, and determining the relationship among theinlet temperature, the outlet temperature and the circulation ratio of the circulating reactor according to thermodynamics; determining inlet and outlet temperatures corresponding to different circulation ratios, and determining the relation of heat exchange network energy recovery when the temperature of the reactor changes; and constructing a temperature-energy-benefit-circulation ratio graph based on the inlet temperature, the outlet temperature, the recovered energy and the change curve of the benefit along with the circulation ratio of the reactor, and determining the optimal circulationratio.
Description
technical field [0001] The invention belongs to the technical field of heat exchange integration, in particular to a method for determining the optimum circulation ratio of a heat exchange network provided with a circulation reactor. Background technique [0002] At present, the conventional integrated optimization of reactor and heat exchange network is to determine the reasonable setting of the reactor based on the relative position of the compound curve of the heat exchange network analyzed by the temperature-enthalpy diagram and the temperature-energy line representing the reactor. Since this method does not consider reaction kinetics and thermodynamics, it is impossible to comprehensively consider the parameters of the reactor for system optimization. [0003] The above information disclosed in this Background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that...
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IPC IPC(8): G05B13/02
CPCG05B13/024
Inventor 刘桂莲张迪
Owner XI AN JIAOTONG UNIV