Steel flow energy efficiency calculation method

A calculation method and energy efficiency technology, which is applied in the field of iron and steel process, can solve the problems of lack of objective assessment of energy consumption level, and achieve the effect of objectivity, reduction of energy loss and improvement of energy efficiency

Pending Publication Date: 2021-11-26
NORTHEASTERN UNIV
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Problems solved by technology

Secondly, the proposed energy efficiency index is based on the "relative energy efficiency" based on the baseline energy consumption, rather than "absolute energy efficiency". The selection of the baseline energy consumption is highly subjective and lacks an objective assessment of the actual energy consumption level of the enterprise.

Method used

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  • Steel flow energy efficiency calculation method
  • Steel flow energy efficiency calculation method
  • Steel flow energy efficiency calculation method

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Embodiment Construction

[0054] In order to better explain the present invention and facilitate understanding, the present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0055] Such as figure 1 Shown: This embodiment discloses a method for calculating energy efficiency of iron and steel process, including the following steps:

[0056] Determining energy inputs for steel production processes

[0057] Calculate the energy loss of each process based on the first law of thermodynamics and the second law of thermodynamics and the amount of energy loss at each interface

[0058]Amount of energy loss by each process and the amount of energy loss at each interface The sum is calculated to obtain the amount of energy loss in the steel production process

[0059] Energy input based on steel production process and energy losses in the steel production process The calculated energy efficiency η of the steel production pro...

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Abstract

The invention relates to a steel flow energy efficiency calculation method. The method comprises the following steps: determining energy input of a steel production process; respectively calculating energy loss of each process and energy loss of each interface based on the first law of thermodynamics and the second law of thermodynamics; calculating energy loss of the steel production process based on the sum of the energy loss of each process and the energy loss of each interface; and calculating the energy efficiency eta of the steel production process based on the energy input of the steel production process and the energy loss amount of the steel production process. The steel flow energy efficiency calculation method provided by the invention makes up a blank in energy efficiency evaluation of current steel flow energy systems.

Description

technical field [0001] The invention belongs to the technical field of iron and steel processes, and in particular relates to a method for calculating the energy efficiency of an iron and steel process. Background technique [0002] The iron and steel industry is a pillar industry for the development of the national economy and plays a pivotal role in the industrial system. The iron and steel industry is also a high-energy-consuming industry. The energy consumption of my country's iron and steel industry accounts for about 20.7% of the total industrial energy consumption and 13.6% of the country's total energy consumption. With the proposal of the "double carbon" goal and the continuous intensification of energy constraints in recent years, promoting energy conservation and consumption reduction in the iron and steel industry is the only way to promote its development. The timeliness and scientificity of energy efficiency assessment is the basic work to promote energy conse...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06F119/06G06F119/08
Inventor 杜涛那洪明孙竞超邱梓洋袁喻兴闫天一车梓畅
Owner NORTHEASTERN UNIV
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