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High-pressure heater modeling method and device and computer device

A technology of high-pressure heaters and modeling methods, which is applied in calculation, instrumentation, design optimization/simulation, etc., and can solve the problems of high-pressure heater modeling process difficulty and high-pressure heater cost

Active Publication Date: 2019-04-23
华润电力技术研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The existing method of establishing a simulation model for a high-pressure heater is mainly to obtain the structural parameters of the high-pressure heater and the data output during operation for numerical modeling. This numerical modeling method mainly uses high-performance computing technology to establish a high-pressure heater Digital model, so the process of modeling the high-pressure heater is difficult, and the cost of modeling the high-pressure heater is relatively high

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  • High-pressure heater modeling method and device and computer device
  • High-pressure heater modeling method and device and computer device
  • High-pressure heater modeling method and device and computer device

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Embodiment 1

[0040] figure 1 It is a flow chart of a high-pressure heater modeling method provided in Embodiment 1 of the present invention, and the method includes the following steps:

[0041] Step S11: Obtain the structural information of the high-pressure heater and the status data of the preset observation points during operation.

[0042] In the embodiment of the present invention, the state data includes steam state data, hydrophobic state data, feedwater state data, shell side state data, and the like. Among them, the steam state data may include heating steam inlet pressure, heating steam inlet flow rate, heating steam inlet enthalpy and heating steam inlet temperature, etc., and the drain state data may include upper heater drain pressure, upper heater drain flow, upper heater drain enthalpy and upper heater drain temperature, etc. Feedwater status data can include feedwater inlet pressure, feedwater inlet enthalpy, feedwater inlet temperature, feedwater outlet pressure, feedwat...

Embodiment 2

[0082] figure 2 It is a flowchart of a high-pressure heater modeling method provided by Embodiment 2 of the present invention, and the method includes the following steps:

[0083] Step S21: Obtain the structural information of the high-pressure heater and the status data of the preset observation points during operation.

[0084] This step is consistent with the above step S11, and will not be repeated here.

[0085] Step S22: Using the state data of the preset observation points, the structural information of the high pressure heater and the preset modeling calculation equations to establish the drain flow model, the shell side pressure model and the water level calculation model of the high pressure water heater.

[0086] This step is consistent with the above step S12, and will not be repeated here.

[0087] Step S23: Using the hydrophobic flow model, the shell side pressure model and the water level calculation model to perform hybrid modeling to generate a high pressure...

Embodiment 3

[0093] image 3 It is a schematic structural diagram of a high-pressure heater modeling device provided in Embodiment 3 of the present invention.

[0094] The high pressure heater modeling device 300 includes:

[0095] The status data acquisition module 310 is used to acquire the structural information of the high-pressure heater and the status data of preset observation points during operation.

[0096] The model building module 320 is used to use the state data of the preset observation points, the structural information of the high-pressure heater and the preset modeling calculation equations to establish a drain flow model, a shell side pressure model and a water level calculation model of the high-pressure water heater.

[0097] The hybrid modeling module 330 is configured to use the hydrophobic flow model, the shell side pressure model and the water level calculation model to perform hybrid modeling to generate a high-pressure heater model.

[0098] In the embodiment o...

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Abstract

The invention provides a high-pressure heater modeling method and device and a computer device. The high-pressure heater modeling method comprises the steps of obtaining the structural information ofa high-pressure heater and the state data of a preset observation point during operation; establishing a drainage flow model, a shell side pressure model and a water level calculation model of the high-pressure water heater by utilizing the state data of a preset observation point, the structure information of the high-pressure heater and a preset modeling calculation equation; and carrying out hybrid modeling by utilizing the drainage flow model, the shell side pressure model and the water level calculation model to generate a high-pressure heater model. Preferably, the state data comprises steam state data, hydrophobic state data, water supply state data and shell side state data. According to the modeling method for the high-pressure heater, the high-pressure heater model is generated by utilizing a plurality of model combinations through a hybrid modeling method, so that the modeling process of the high-pressure heater is more flexible, the modeling difficulty of the high-pressureheater is reduced, and the modeling cost of the high-pressure heater is reduced.

Description

technical field [0001] The invention relates to the technical field of digital modeling, in particular to a high-pressure heater modeling method, device, computer equipment and computer storage medium. Background technique [0002] With the rapid development of my country's electric power industry, large-scale thermal power units with large capacity and high parameters have become the mainstream. In order to provide guidance for production optimization, simulation models are generally established for thermal power units, such as simulation models for high-pressure heaters. [0003] The existing method of establishing a simulation model for a high-pressure heater is mainly to obtain the structural parameters of the high-pressure heater and the data output during operation for numerical modeling. This numerical modeling method mainly uses high-performance computing technology to establish a high-pressure heater Therefore, the process of modeling the high-pressure heater is dif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 马成龙姜利辉陈世和袁俊陈建华张含智张少男李志超
Owner 华润电力技术研究院有限公司
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