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Enterprise energy consumption process model building and emulation method

A technology of enterprise energy consumption and simulation method, which is applied in the direction of calculation models, energy industry, and based on specific mathematical models, etc., and can solve problems such as inability to inherit unit modules, difficulty in equations, and poor integration capabilities

Inactive Publication Date: 2008-10-01
王剑 +3
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  • Application Information

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Problems solved by technology

The main problems are (1) Poor integration ability
However, the shortcomings of the simultaneous equation method are: it is difficult to correctly establish a huge equation system; it cannot inherit a large number of unit modules that have been developed; it lacks an efficient algorithm for solving large nonlinear equations

Method used

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  • Enterprise energy consumption process model building and emulation method
  • Enterprise energy consumption process model building and emulation method
  • Enterprise energy consumption process model building and emulation method

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Embodiment Construction

[0065] Taking a certain high-pressure reaction process as an example, the method of the present invention is further described.

[0066] High-pressure reaction process: two different feed gases A and B are mixed with the circulating stream (mainly A and containing a small amount of B and C) and then enter the reactor. The reactor conducts A+B→C+D reaction under electric heating, the working temperature should be maintained at 80~100℃, and the feeding should be stopped when the volume of the reactor reaches 60L. The reactor outlet stream is cooled by the heat exchanger and then enters the flasher. The main product C flows out from the bottom of the flasher, and the unreacted A (and a small amount of B and C) and the waste gas D are discharged from the vapor phase outlet of the flasher and sent to the splitter, so that the waste gas D is discharged, and the unreacted A (and a small amount of of B and C) are returned to use. In addition to the consumption of raw materials A and...

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Abstract

The invention particularly relates to a modelling and emulation method for enterprise energy consumption process, belonging to the technical field of energy consumption control, wherein the modelling method comprises using fuzzy variation of a fuzzy Petri net model to represent each energy consumption activity, using fuzzy warehouse to represent the warehouse of raw materials and finished products relevant to the energy consumption activities; the number of marks in the fuzzy warehouse represents the number of the raw materials and the finished products, the relevant supply and demand relationship is denoted by connection line between crunodes; the connection intensity of the connection line signifies the loss rate when conveying the raw materials and finished products from the start point to the end point. The emulation method comprises an initial network model and an excitation fuzzy variation which determines the enabling fuzzy variation set at the current moment, disposes the fuzzy variation at certain excitation moment into the future event table and finds out the minimum excitation time. The method of the invention can clearly and completely describe all kinds of interaction activities in the process of the energy consumption of the enterprise, and the invention has high computing efficiency, strong versatility, which can reinforce the management of energy consumption and save the energy for the enterprise.

Description

technical field [0001] The invention belongs to the technical field of energy consumption control, and in particular relates to a modeling and simulation method for an enterprise's energy consumption process. Background technique [0002] Enterprises, as energy-intensive end users, are the main body of energy consumption. Aiming at the development goal of saving energy and reducing consumption, many large and medium-sized energy-consuming enterprises have implemented a series of methods and measures. However, in practical applications, due to the lack of effective energy efficiency assessment methods in energy-consuming enterprises, they lack accurate understanding of the specific use of energy and the benefits generated, which affects the estimation of product costs and the effective control and decision-making of enterprise energy consumption. Therefore, with the goal of enterprise energy efficiency assessment, establishing an enterprise energy consumption system model, c...

Claims

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Application Information

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IPC IPC(8): G06N7/00G06Q10/00
CPCY02P80/10
Inventor 王坚戴毅茹凌卫青马福民
Owner 王剑
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