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Steam system energy expansion transformation optimization method, electronic equipment and storage medium

A technology of steam system and optimization method, which is applied in the direction of mechanical equipment, steam engine device, design optimization/simulation, etc., and can solve the problems of lack of global analysis and system optimization in steam system expansion and transformation

Pending Publication Date: 2021-02-02
WANHUA CHEM GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to provide an optimization method for steam system capacity expansion and transformation, electronic equipment and storage media for the technical problems of lack of overall analysis and system optimization in the existing steam system capacity expansion and transformation

Method used

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  • Steam system energy expansion transformation optimization method, electronic equipment and storage medium
  • Steam system energy expansion transformation optimization method, electronic equipment and storage medium
  • Steam system energy expansion transformation optimization method, electronic equipment and storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] like figure 1 Shown is a working flow chart of a steam system capacity expansion transformation optimization method according to an embodiment of the present invention, including:

[0068] Step S101, obtaining the design variables of the existing steam system boiler, desuperheater, turbine and steam header;

[0069] Step S102, based on the design variables, construct mass balance formulas and energy balance formulas for each turbine, steam headers at all levels and their temperature and pressure reducers in the existing steam system;

[0070] Step S103, on the basis of the existing steam system, use the design variables of the newly-added boiler, newly-added desuperheater, newly-added turbine, and newly-added steam main pipe as the solution values ​​to construct the steam system to be transformed, and construct the steam system to be transformed. Renovate the mass balance formula and energy balance formula of each turbine, steam header at all levels and its temperature...

Embodiment 2

[0079] like figure 2 Shown is a working flow chart of a steam system capacity expansion transformation optimization method according to an embodiment of the present invention, including:

[0080] Step S201, obtaining the design variables of the existing steam system boiler, desuperheater, turbine and steam header;

[0081] Step S202, constructing the mass balance formula of the steam flow in and out of the steam main pipe of the existing steam system:

[0082]

[0083] Step S203, constructing the energy balance formula of the steam flow in and out of the steam main pipe of the existing steam system:

[0084]

[0085] In the formula, F represents the steam flow rate, h represents the specific enthalpy of the stream, the subscript b represents the bth boiler of the existing steam system, the subscript r represents the rth steam main pipe of the existing steam system, and the subscript t represents the existing steam The tth turbine of the system, the subscript d indicat...

Embodiment 3

[0207] like Figure 4 Shown is a schematic diagram of the hardware structure of the steam system capacity expansion transformation optimization electronic equipment of the present invention, including:

[0208] at least one processor 401; and,

[0209] A memory 402 communicatively connected to at least one processor 401; wherein,

[0210] The memory 402 stores instructions that can be executed by at least one of the processors 401, and the instructions are executed by at least one of the processors 401, so that at least one of the processors 401 can execute the aforementioned steam system Optimization method for capacity expansion and transformation.

[0211] Figure 4 A processor 401 is taken as an example.

[0212] The electronic device may further include: an input device 403 and a display device 404 .

[0213] The processor 401, the memory 402, the input device 403, and the display device 404 may be connected through a bus or in other ways, and the connection through ...

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Abstract

The invention discloses a steam system energy expansion transformation optimization method, electronic equipment and a storage medium. The method comprises the steps of obtaining design variables of an existing steam system; based on the design variables, building mass balance formulas and energy balance formulas of all turbines, all stages of steam main pipes and temperature and pressure reducersof an existing steam system and a to-be-transformed steam system; establishing a capability constraint condition; establishing a dosage constraint condition; establishing a target function; and solving the objective function to obtain design variables of the newly added boiler, the newly increased and decreased temperature decompressor, the newly added turbine and the newly added steam header pipe of the steam system to be reconstructed. On the premise of meeting the steam requirements of all production devices of enterprises under different production loads, the capacity of existing equipment is fully utilized to reduce investment of newly-added equipment, and on the premise of ensuring safety and stability of the steam system in the actual operation process, the transformation scheme with the lowest comprehensive cost of the existing steam system is automatically obtained through system optimization, and the economic competitiveness of enterprises can be improved.

Description

technical field [0001] The invention relates to the related technical field of chemical process transformation and optimization methods, in particular to an optimization method for expansion and transformation of a steam system, electronic equipment and a storage medium. Background technique [0002] As one of the main energy sources required by petrochemical enterprises for production, the steam system provides the power for the production equipment to drive the equipment and the heat for heating the materials. On the one hand, with the changes in market demand and the development and production of new processes of enterprises, it is often necessary to expand the production capacity of some of these devices, or to build some new devices under the existing steam system. These factors cause the structure and operating parameters of the steam system to be different from the original design. If it is not possible to judge in advance whether the existing steam system can adapt ...

Claims

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Application Information

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IPC IPC(8): G06F30/20F01K11/00G06F111/04G06F113/08
CPCG06F30/20F01K11/00G06F2111/04G06F2113/08
Inventor 梁肖强田宇李想张宏科
Owner WANHUA CHEM GRP CO LTD
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