CN112508222A - Method, system and terminal for recommending cooling, heating and power triple supply project installation scheme of gas turbine - Google Patents
Method, system and terminal for recommending cooling, heating and power triple supply project installation scheme of gas turbine Download PDFInfo
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 69
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- 239000007789 gas Substances 0.000 claims description 103
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- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
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Abstract
The method, the system and the terminal for recommending the project installation scheme of combined cooling heating and power supply of the gas turbine solve the problems that the scheme of the project installation scheme of combined cooling heating and power supply of the gas turbine in the prior art is mainly optimized manually, needs a plurality of professional technicians to cooperate, is communicated by a plurality of equipment manufacturers, and has long scheme optimization period. The optimization of the thermal performance and the analysis of the economic benefits have strong professional work and large workload, and the support of professional tools is lacked, so that the problem of low working efficiency of the cooling, heating and power combined supply project installation of the gas turbine is caused. The method for recommending the project installation scheme of the combined cooling heating and power supply of the gas turbine is developed, so that the intelligent substitution of the research on the project scheme of the combined cooling heating and power supply of the gas turbine is realized, a plurality of schemes and recommended schemes can be quickly obtained according to project requirements, and the optimization efficiency and level of the project installation scheme of the combined cooling heating and power supply of the gas turbine are effectively improved.
Description
Technical Field
The invention relates to the technical field of gas turbines and combined cycles, in particular to a method, a system and a terminal for recommending a cooling, heating and power combined supply project installation scheme of a gas turbine.
Background
The combined cooling heating and power supply of the gas turbine is characterized in that natural gas, synthetic gas or fuel oil and the like are used as main fuels to drive a gas turbine generator set to mainly generate electric power, exhaust gas of the gas turbine generates steam through a waste heat boiler to drive the steam turbine generator set to continuously generate the electric power so as to meet the electric power demand of a user, the waste heat boiler or the steam turbine is used for extracting the steam to supply heat to the user, and the steam type lithium bromide device is used for realizing cooling.
The triple co-generation system taking the gas turbine as the core can realize cascade utilization of energy, has high comprehensive utilization efficiency of the energy, saves energy, reduces emission and is environment-friendly.
The combined cooling, heating and power supply of the gas turbine is influenced by various factors, the type selection of the main equipment is closely related to the cooling, heating and power load characteristics and the performance matching of different equipment of the prime mover, the energy utilization and economic benefit need to be comprehensively analyzed, the technical and economic problems need to be researched and solved, and the method is a very key link in item decision and declaration.
The scheme of the cooling, heating and power combined supply project installation of the gas turbine is optimized mainly by manpower, a plurality of professional technicians are needed to cooperate, a plurality of equipment manufacturers are communicated, and the optimization period of the scheme is long. The work of thermal performance optimization and economic benefit analysis is professional, the workload is large, and the support of professional tools is lacked.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present invention is to provide a method, a system, and a terminal for recommending a cooling, heating, and power combined supply project installation scheme of a gas turbine, which are used to solve the problems that in the prior art, the cooling, heating, and power combined supply project installation scheme of a gas turbine mainly depends on manual completion, multiple specialized technicians are required to cooperate, multiple equipment manufacturers communicate with each other, and the scheme optimization cycle is long. The optimization of the thermal performance and the analysis of the economic benefits have strong professional work and large workload, and the support of professional tools is lacked, so that the problem of low working efficiency of the cooling, heating and power combined supply project installation of the gas turbine is caused.
In order to achieve the above objects and other related objects, the present invention provides a method for recommending a cooling, heating and power combined supply project installation scheme for a gas turbine, comprising: inputting one or more technical boundary input parameters that meet a project base heat load requirement; based on the technical boundary input parameters, screening the thermodynamic performance parameters of the combined cycle system of one or more schemes meeting the basic heat load requirement of the project from the acquired thermodynamic performance parameters of the combined cycle systems of a plurality of installed schemes to acquire technical analysis results of each scheme so as to acquire the technical analysis results of each scheme; inputting one or more economic benefit boundary input parameters meeting the economic benefit analysis requirements of the project; based on the economic benefit boundary input parameters, obtaining an economic benefit analysis result meeting the economic benefit analysis requirement of the project according to the obtained economic benefit analysis basic data; obtaining one or more recommended scheme analysis results according to economic benefit analysis results of each scheme meeting the basic heat load demand of the project, which are obtained from the economic benefit analysis data, based on an economic benefit optimization principle, wherein the scheme analysis results comprise: technical analysis results and economic benefit analysis results; and outputting the scheme analysis result of one or more of the recommended schemes for the user to perform system management and maintenance operation.
In an embodiment of the invention, the screening, based on the technical boundary input parameters, one or more combined cycle system thermal performance parameters of a scheme meeting the basic thermal load requirement of the project from among the obtained combined cycle system thermal performance parameters of the installed schemes to obtain technical analysis results of each scheme, and obtaining the technical analysis results of each scheme includes: calculating thermal performance parameters of the gas turbine in a plurality of schemes based on a gas turbine balance method; calculating the thermal performance parameters of the waste heat boilers of the multiple schemes according to the performance parameters of the gas turbines of the multiple schemes; calculating the thermal performance parameters of the steam turbines of the plurality of schemes according to the thermal performance parameters of the preheating boiler; calculating the thermal performance parameters of the combined cycle system of each scheme according to the thermal performance parameters of the gas turbines, the thermal performance parameters of the waste heat boilers and the thermal performance parameters of the steam turbines of the plurality of schemes; based on the technical boundary input parameters, screening out one or more combined cycle system thermal performance parameters meeting the basic thermal load requirements of the project from the combined cycle system thermal performance parameters of each project; and respectively carrying out comparative analysis according to the thermal performance parameters of the combined cycle system to obtain technical analysis results of one or more schemes meeting the basic heat load requirements of the project.
In an embodiment of the present invention, the obtaining, based on the economic benefit boundary input parameter and according to the obtained economic benefit analysis basic data, an economic benefit analysis result that satisfies the project economic benefit analysis requirement includes: obtaining economic benefit analysis base data including equipment prices and associated rates and coefficients for economic benefit calculation; based on the economic benefit boundary input parameters, obtaining an economic benefit analysis result meeting the economic benefit analysis requirement of the project according to the economic benefit analysis basic data; wherein, the economic benefit analysis result comprises: construction investment composition analysis, construction investment estimation, total investment planning and capital raising, repayment, cost, profit and loss tables, cash flow, financial evaluation indicators, and sensitivity analysis data.
In an embodiment of the present invention, based on the economic benefit optimization principle, according to the economic benefit analysis result of each solution meeting the basic heat load requirement of the project obtained from the economic benefit analysis data, a solution analysis result of one or more recommended solutions is obtained, where the solution analysis result includes: the technical analysis result and the economic benefit analysis result comprise: obtaining economic benefit analysis data of each scheme meeting the basic heat load requirement of the project based on the economic benefit analysis data; based on an economic benefit optimal principle, sequencing the economic benefit analysis data of each scheme meeting the basic heat load requirement of the project, and obtaining the scheme analysis result of one or more recommended schemes; wherein the protocol analysis result comprises: technical analysis results and economic benefit analysis results.
In an embodiment of the present invention, the outputting the solution analysis result of one or more of the recommended solutions to perform the system management and maintenance operation includes: and outputting the scheme analysis result of one or more of the recommended schemes for the user to perform one or more of user authorization, background data management, online technical support and follow-up tracking service.
In an embodiment of the present invention, the types of the technical boundary input parameters include: the method comprises the following steps of one or more of a combined cycle unit configuration mode, average load flow, maximum load flow, steam pressure and temperature of project steam supply, project refrigeration parameters, fuel components or heat values used by projects, environmental parameters of different periods of the places where the projects are located and corresponding running time.
In an embodiment of the invention, the types of the economic benefit boundary input parameters include: one or more of a construction investment input parameter, a project operation input parameter, and a production cost input parameter.
In an embodiment of the present invention, the thermal performance parameters of the combined cycle system include: the overall thermal performance parameters, the gas turbine equipment model selection parameters, the waste heat boiler equipment model selection parameters and the steam turbine equipment model selection parameters.
To achieve the above and other related objects, the present invention provides a recommendation system for a cooling, heating and power combined supply project installation scheme of a gas turbine, the system comprising: a technical boundary input module for inputting one or more technical boundary input parameters that satisfy a project base heat load requirement; the technical performance analysis module is connected with the technical boundary input module and used for screening the thermodynamic performance parameters of the combined cycle system of one or more schemes meeting the basic heat load requirement of the project from the acquired thermodynamic performance parameters of the combined cycle system of the multiple installed schemes based on the technical boundary input parameters so as to acquire technical analysis results of the schemes; the effective boundary input module is used for inputting one or more economic benefit boundary input parameters meeting the economic benefit analysis requirements of the project; the effective analysis module is connected with the effective boundary input module and used for obtaining an economic benefit analysis result meeting the economic benefit analysis requirement of the project according to the obtained economic benefit analysis basic data based on the economic benefit boundary input parameters; an installed solution recommending module, configured to connect the technical performance analyzing module and the economic efficiency analyzing module, and configured to obtain solution analyzing results of one or more recommended solutions according to economic efficiency analyzing results of solutions meeting the basic heat load demand of the project, obtained from the economic efficiency analyzing data, based on an economic efficiency optimizing principle, where the solution analyzing results include: technical analysis results and economic benefit analysis results; and the user interaction module is connected with the installed scheme recommendation module and is used for outputting scheme analysis results of one or more schemes in each recommendation scheme so as to provide the user for system management and maintenance operation.
In order to achieve the above objects and other related objects, the present invention provides a recommendation terminal for a cooling, heating and power combined supply project installation scheme of a gas turbine, comprising: a memory for storing a computer program; and the processor is used for executing the method for recommending the project installation scheme by the combined cooling heating and power supply of the gas turbine.
As described above, the method, the system and the terminal for recommending the cooling, heating and power combined supply project installation scheme of the gas turbine have the following beneficial effects: the method for recommending the project installation scheme of the combined cooling heating and power supply of the gas turbine is developed, so that the intelligent substitution of the research on the project scheme of the combined cooling heating and power supply of the gas turbine is realized, a plurality of schemes and recommended schemes can be quickly obtained according to project requirements, and the optimization efficiency and level of the project installation scheme of the combined cooling heating and power supply of the gas turbine are effectively improved.
Drawings
Fig. 1 is a schematic flow chart illustrating a method for recommending a cooling, heating and power combined supply project installation plan of a gas turbine according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a recommendation system for a cooling, heating and power combined project installation scheme of a gas turbine according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a technical performance analysis module according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a channel effect analysis module according to an embodiment of the invention.
Fig. 5 is a schematic structural diagram of a recommendation terminal for a project installation plan of a combined cooling, heating and power supply project of a gas turbine in an embodiment of the invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It is noted that in the following description, reference is made to the accompanying drawings which illustrate several embodiments of the present invention. It is to be understood that other embodiments may be utilized and that mechanical, structural, electrical, and operational changes may be made without departing from the spirit and scope of the present invention. The following detailed description is not to be taken in a limiting sense, and the scope of embodiments of the present invention is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Spatially relative terms, such as "upper," "lower," "left," "right," "lower," "below," "lower," "over," "upper," and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature as illustrated in the figures.
Throughout the specification, when a part is referred to as being "connected" to another part, this includes not only a case of being "directly connected" but also a case of being "indirectly connected" with another element interposed therebetween. In addition, when a certain part is referred to as "including" a certain component, unless otherwise stated, other components are not excluded, but it means that other components may be included.
The terms first, second, third, etc. are used herein to describe various elements, components, regions, layers and/or sections, but are not limited thereto. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the scope of the present invention.
Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," and/or "comprising," when used in this specification, specify the presence of stated features, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, operations, elements, components, items, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions or operations are inherently mutually exclusive in some way.
The embodiment of the invention provides a method for recommending a cooling, heating and power combined supply project installation scheme of a gas turbine, and solves the problems that in the prior art, the optimization of the cooling, heating and power combined supply project installation scheme of the gas turbine is mainly completed manually, a plurality of professional technicians are required to cooperate, a plurality of equipment manufacturers communicate with one another, and the optimization period of the scheme is long. The optimization of the thermal performance and the analysis of the economic benefits have strong professional work and large workload, and the support of professional tools is lacked, so that the problem of low working efficiency of the cooling, heating and power combined supply project installation of the gas turbine is caused. The method for recommending the project installation scheme of the combined cooling heating and power supply of the gas turbine is developed, so that the intelligent substitution of the research on the project scheme of the combined cooling heating and power supply of the gas turbine is realized, a plurality of schemes and recommended schemes can be quickly obtained according to project requirements, and the optimization efficiency and level of the project installation scheme of the combined cooling heating and power supply of the gas turbine are effectively improved.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that those skilled in the art can easily implement the embodiments of the present invention. The present invention may be embodied in many different forms and is not limited to the embodiments described herein.
As shown in fig. 1, a schematic flow chart of a method for recommending a cooling, heating and power combined supply project installation plan of a gas turbine in an embodiment of the present invention is shown.
The method comprises the following steps:
step S11: one or more technical boundary input parameters are input that meet a project base heat load requirement.
Optionally, one or more technical boundary input parameters meeting the requirements of performance calculation, equipment optimization and technical performance evaluation of the project installation scheme are input.
Optionally, the types of the technical boundary input parameters include: the method comprises the following steps of one or more of a combined cycle unit configuration mode, average load flow, maximum load flow, steam pressure and temperature of project steam supply, project refrigeration parameters, fuel components or heat values used by projects, environmental parameters of different periods of the places where the projects are located and corresponding running time.
Optionally, when the input parameters are unreasonable and calculation cannot be performed, specific and targeted alarm prompts and suggestions can be given.
Step S12: and screening the thermodynamic performance parameters of the combined circulation system of one or more schemes meeting the basic heat load requirement of the project from the acquired thermodynamic performance parameters of the combined circulation systems of the multiple installed schemes based on the technical boundary input parameters to acquire technical analysis results of each scheme so as to acquire the technical analysis results of each scheme.
Optionally, the screening, based on the technical boundary input parameters, the thermodynamic performance parameters of the combined cycle system of one or more schemes that meet the basic heat load requirement of the project from among the obtained thermodynamic performance parameters of the combined cycle system of the multiple installed schemes to obtain technical analysis results of each scheme, so as to obtain the technical analysis results of each scheme includes: calculating thermal performance parameters of the gas turbine in a plurality of schemes based on a gas turbine balance method; calculating the thermal performance parameters of the waste heat boilers of the multiple schemes according to the performance parameters of the gas turbines of the multiple schemes; calculating the thermal performance parameters of the steam turbines of the plurality of schemes according to the thermal performance parameters of the preheating boiler; calculating the thermal performance parameters of the combined cycle system of each scheme according to the thermal performance parameters of the gas turbines, the thermal performance parameters of the waste heat boilers and the thermal performance parameters of the steam turbines of the plurality of schemes; based on the technical boundary input parameters, screening out one or more combined cycle system thermal performance parameters meeting the basic thermal load requirements of the project from the combined cycle system thermal performance parameters of each project; and respectively carrying out comparative analysis according to the thermal performance parameters of the combined cycle system to obtain technical analysis results of one or more schemes meeting the basic heat load requirements of the project.
Optionally, the thermal performance of the system of multiple schemes is calculated according to a built-in standard series gas turbine product performance database and a built-in gas thermal property database based on a gas turbine heat balance method, and thermal performance parameters and exhaust parameters of the gas turbine under the ISO working condition are obtained.
Optionally, according to the modification formula that the performance and the exhaust parameters of the built-in gas turbine vary with the atmospheric environmental parameters, the thermal performance parameters and the exhaust parameters of the gas turbine under the ISO working condition can be modified according to the project actual environmental parameters in the technical boundary input parameters.
Optionally, parameters such as the heating value of the fuel can be automatically calculated according to the fuel components input by the user.
Optionally, according to a built-in water and steam thermal property database, based on the exhaust parameters of the gas turbine, the heat balance calculation of the waste heat boiler system is performed, and the steam parameters and the exhaust parameters of the waste heat boiler are obtained.
Optionally, the thermal performance of the steam turbine is calculated based on the steam parameters of the waste heat boiler according to a built-in water and steam thermal property database, so as to obtain the thermal performance parameters of the steam turbine.
Optionally, the thermodynamic performance parameters of the combined cycle system of each scheme are calculated according to the thermodynamic performance parameters of the gas turbine, the thermodynamic performance parameters of the waste heat boiler and the thermodynamic performance parameters of the steam turbine of the multiple schemes, wherein the thermodynamic performance parameters of the combined cycle system include overall thermodynamic performance parameters, model selection parameters of the gas turbine equipment, model selection parameters of the waste heat boiler equipment and model selection parameters of the steam turbine equipment.
Optionally, the joint cycle efficiency of the gas turbine is used as an optimization function, the temperature difference of the nodes and the steam parameters are adjusted, a target optimal solution is sought, and the optimization of the joint cycle efficiency and the heat supply efficiency of the system is realized through the matching and optimization of the parameters of the combined cycle system.
Optionally, based on an energy cascade utilization principle, a steam type lithium bromide device and a gas boiler are configured, the annual average energy comprehensive utilization rate of the combined cooling heating and power system is calculated, the annual average energy comprehensive utilization rate is used as an optimization function, a target optimal solution of each scheme is sought, and technical analysis results of a plurality of installed technical schemes are obtained.
Optionally, sorting is performed according to the annual average energy comprehensive utilization rate, so that schemes which do not meet the requirements of technical indexes can be screened out, and the technical analysis result comprises: the summary list and the corresponding heat balance diagram corresponding to the refrigeration period, the heating period or the non-refrigeration and non-heating period.
Step S13: one or more economic benefit boundary input parameters meeting the economic benefit analysis requirements of the project are input.
Optionally, one or more economic benefit boundary input parameters of economic benefit calculation and evaluation requirements of the installation scheme are input.
Optionally, the types of the economic benefit boundary input parameters include: one or more of a construction investment input parameter, a project operation input parameter, and a production cost input parameter.
Optionally, the boundary input parameters include construction investment input parameters such as construction site levying and clearing cost, self-financing proportion, engineering construction period, bank loan interest rate, reference earning rate and the like, project operation input parameters such as city construction maintenance tax rate, education additional tax rate, acquired tax rate, electricity sale, steam price, heating price, hot water price, cooling price and the like, and production cost input parameters such as repayment age limit, depreciation age limit, fuel price, water price, number of fixed staff, average wage and the like.
Optionally, the relevant parameters are adjusted according to the default typical reference values provided. When the input parameters are unreasonable and calculation cannot be carried out, specific and targeted alarm prompts and suggestions are given.
Step S14: and obtaining an economic benefit analysis result meeting the economic benefit analysis requirement of the project according to the obtained economic benefit analysis basic data based on the economic benefit boundary input parameters.
Optionally, the obtaining, based on the economic benefit boundary input parameter, an economic benefit analysis result meeting the economic benefit analysis requirement of the project according to the obtained economic benefit analysis basic data includes: obtaining economic benefit analysis base data including equipment prices and associated rates and coefficients for economic benefit calculation; based on the economic benefit boundary input parameters, obtaining an economic benefit analysis result meeting the economic benefit analysis requirement of the project according to the economic benefit analysis basic data;
wherein, the economic benefit analysis result comprises: construction investment composition analysis, construction investment estimation, total investment planning and capital raising, repayment, cost, profit and loss tables, cash flow, financial evaluation indicators, and sensitivity analysis data.
Optionally, the economic benefit analysis result includes: the technical formula analysis table comprises a construction investment estimation table, a total fund plan and fund financing table, a construction investment composition analysis table, a repayment schedule table, a cost and expense calculation table, a financial index schedule table, a sensitive economic analysis table and the like, and a detailed calculation table.
Optionally, the prices of the gas turbine, the waste heat boiler, the steam turbine, the generator, other auxiliary equipment and other equipment, and the related rates and coefficients for economic benefit calculation are obtained.
Optionally, economic benefit input parameters such as equipment fee subsidy, limit and capacity electricity price subsidy are built in the system based on the project subsidy policy of relevant region delivery, and personalized customization can be performed according to the user needs. The sensitivity parameter modification function is provided for the user, different analysis schemes can be quickly obtained based on the user needs, and references are provided for investment decision of the user, reasonable policies and the like.
Step S15: obtaining one or more recommended scheme analysis results according to economic benefit analysis results of each scheme meeting the basic heat load demand of the project, which are obtained from the economic benefit analysis data, based on an economic benefit optimization principle, wherein the scheme analysis results comprise: technical analysis results and economic benefit analysis results.
Optionally, obtaining economic benefit analysis data of each scheme meeting the basic heat load requirement of the project based on the economic benefit analysis data; based on an economic benefit optimal principle, sequencing the economic benefit analysis data of each scheme meeting the basic heat load requirement of the project, and obtaining the scheme analysis result of one or more recommended schemes; wherein the protocol analysis result comprises: technical analysis results and economic benefit analysis results.
Specifically, the economic benefit analysis data of each scheme meeting the basic heat load requirement of the project is obtained based on the economic benefit analysis data; sequencing the economic benefit analysis data of each scheme meeting the basic heat load requirement of the project based on an economic benefit optimal principle, selecting one or more schemes in each scheme as recommendation schemes, and obtaining the scheme analysis results of the one or more recommendation schemes; wherein the protocol analysis result comprises: technical analysis results and economic benefit analysis results.
Step S16: and outputting the scheme analysis result of one or more of the recommended schemes for the user to perform system management and maintenance operation.
Optionally, one or more thermal performance parameters of the combined cycle system in each recommended scheme are output for the user to perform one or more of user authorization, background data management, online technical support, and subsequent tracking services.
Optionally, the analysis result of the installation recommendation scheme of the cooling, heating and power combined supply project of the gas turbine is output to realize automatic generation and self-help printing and output of an installation scheme report, and meanwhile, the module has the functions of user registration, login, page use, user management, system maintenance, system updating and the like.
Optionally, a high-performance server is used to implement interaction between data and users, and a method for simultaneous calculation and storage of multiple users and multiple schemes is used. And automatically generating an electronic document which can be browsed or downloaded online based on the obtained recommended scheme analysis result according to the built-in report template, and allowing a user to print and output the electronic document as required. And a system manager performs system management and maintenance such as user authorization, background data management, online technical support, subsequent tracking service and the like through the server.
Similar to the principle of the embodiment, the invention provides a recommendation system for a project installation scheme of combined cooling heating and power supply of a gas turbine.
Specific embodiments are provided below in conjunction with the attached figures:
fig. 2 shows a schematic structural diagram of a system of a method for recommending a project installation plan for a combined cooling, heating and power supply project of a gas turbine in an embodiment of the invention.
The system comprises:
a technical boundary input module 21 for inputting one or more technical boundary input parameters meeting the basic heat load requirements of the project;
the technical performance analysis module 22 is connected to the technical boundary input module 21 and configured to screen the thermodynamic performance parameters of the combined cycle system of one or more schemes meeting the basic heat load requirement of the project from among the obtained thermodynamic performance parameters of the combined cycle system of the installed schemes based on the technical boundary input parameters to obtain technical analysis results of the schemes;
a pass-effect boundary input module 23, configured to input one or more economic benefit boundary input parameters that meet economic benefit analysis requirements of the project;
the effective analysis module 24 is connected to the effective boundary input module 23, and is configured to obtain an economic benefit analysis result meeting the economic benefit analysis requirement of the project according to the obtained economic benefit analysis basic data based on the economic benefit boundary input parameters;
an installed solution recommending module 25, configured to connect the technical performance analyzing module 22 and the effective analyzing module 24, and configured to obtain solution analyzing results of one or more recommended solutions according to economic benefit analyzing results of solutions meeting the basic heat load requirement of the project, obtained from the economic benefit analyzing data, based on an economic benefit optimization principle, where the solution analyzing results include: technical analysis results and economic benefit analysis results;
and the user interaction module 26 is connected with the installed solution recommendation module 25 and is used for outputting a solution analysis result of one or more solutions in each recommended solution so as to provide the user with system management and maintenance operation.
Optionally, the technical boundary input module 21 inputs one or more technical boundary input parameters meeting performance calculation, equipment optimization, and technical performance evaluation requirements of the project installation scheme.
Optionally, as shown in fig. 3, the technical performance analysis module includes:
a gas turbine thermal calculation unit 31 for calculating gas turbine thermal performance parameters of a plurality of schemes based on a gas turbine balance method;
the waste heat boiler thermal calculation unit 32 is connected with the gas turbine thermal calculation unit 31 and used for calculating the thermal performance parameters of the waste heat boilers of the schemes according to the gas turbine performance parameters of the schemes;
the turbine thermal calculation unit 33 is connected with the exhaust-heat boiler thermal calculation unit 32 and used for calculating the turbine thermal performance parameters of the multiple schemes according to the preheating boiler thermal performance parameters;
the combined cycle system performance calculating unit 34 is connected with the gas turbine thermal calculating unit 31, the waste heat boiler thermal calculating unit 32 and the steam turbine thermal calculating unit 33, and is used for calculating the combined cycle system thermal performance parameters of each scheme according to the gas turbine thermal performance parameters, the waste heat boiler thermal performance parameters and the steam turbine thermal performance parameters of the plurality of schemes;
a system performance ratio selection unit 35, connected to the combined cycle system performance calculation unit 34, for screening out combined cycle system thermal performance parameters of one or more schemes meeting the basic heat load requirement of the project from the combined cycle system thermal performance parameters of each scheme based on the technical boundary input parameters; and respectively carrying out comparative analysis according to the thermal performance parameters of the combined cycle system to obtain technical analysis results of one or more schemes meeting the basic heat load requirements of the project.
Optionally, the gas turbine thermodynamic calculation unit 31 is configured to perform multi-scheme system thermodynamic performance calculation according to a built-in standard series gas turbine product performance database and a built-in gas thermodynamic property database based on a gas turbine thermal balance method, and obtain thermodynamic performance parameters and exhaust parameters of the gas turbine under ISO working conditions.
Optionally, the exhaust-heat boiler thermal calculation unit 32 is configured to perform thermal balance calculation on the exhaust-heat boiler system based on the exhaust parameters of the gas turbine according to a built-in water and steam thermal property database, and obtain steam parameters and exhaust parameters of the exhaust-heat boiler.
Optionally, the turbine thermal calculation unit 33 is configured to perform turbine thermal performance calculation based on the steam parameter of the waste heat boiler according to a built-in water and steam thermal property database, and obtain the turbine thermal performance parameter.
Optionally, the combined cycle system performance calculating unit 34 is configured to calculate the combined cycle system thermal performance parameters of each scheme according to the gas turbine thermal performance parameters, the waste heat boiler thermal performance parameters, and the steam turbine thermal performance parameters of the multiple schemes, where the combined cycle system thermal performance parameters include a total thermal performance parameter, a gas turbine equipment model selection parameter, a waste heat boiler equipment model selection parameter, and a steam turbine equipment model selection parameter.
Optionally, the system performance ratio selection unit 35 is configured to use the combined cycle efficiency of the gas turbine as an optimization function, adjust the node temperature difference and the steam parameter, find an optimal target solution, and implement optimization of the combined cycle efficiency and the system heat supply efficiency by matching and optimizing the parameters of the combined cycle system.
Optionally, the system performance ratio selection unit 35 is configured to configure a steam type lithium bromide device and a gas boiler based on an energy cascade utilization principle, calculate an annual average energy comprehensive utilization rate of the combined cooling heating and power system, and find a target optimal solution of each scheme by using the annual average energy comprehensive utilization rate as an optimization function, so as to obtain technical analysis results of a plurality of installed technical schemes.
Optionally, the system performance ratio selection unit 35 is configured to sort according to the annual average energy comprehensive utilization ratio, so as to screen out a scheme that does not meet the requirement of the technical index, where the technical analysis result includes: the summary list and the corresponding heat balance diagram corresponding to the refrigeration period, the heating period or the non-refrigeration and non-heating period.
Optionally, the effective boundary input module 23 shown in fig. 2 is configured to input one or more economic benefit boundary input parameters of economic benefit calculation and evaluation requirements of the installation scheme.
Optionally, as shown in fig. 4, the effective analysis module includes:
an efficiency analysis basic data unit 41 for obtaining economic efficiency analysis basic data including the equipment price and the relevant rates and coefficients for economic efficiency calculation;
the effective computing unit 42 is connected with the effective analysis basic data unit 41, and based on the economic benefit boundary input parameters, the economic benefit analysis result meeting the economic benefit analysis requirement of the project is obtained according to the economic benefit analysis basic data;
wherein, the economic benefit analysis result comprises: construction investment composition analysis, construction investment estimation, total investment planning and capital raising, repayment, cost, profit and loss tables, cash flow, financial evaluation indicators, and sensitivity analysis data.
Optionally, the efficiency analysis basic data unit 41 is configured to obtain prices of devices such as a gas turbine, a waste heat boiler, a steam turbine, a generator, and other auxiliary devices, and related rates and coefficients for calculating economic benefits.
Optionally, the warp effect calculating unit 42 is configured to embed economic benefit input parameters such as a device fee subsidy, a limit, a capacity price subsidy and the like based on a project subsidy policy of a relevant region, and can be customized according to a user's needs. The sensitivity parameter modification function is provided for the user, different analysis schemes can be quickly obtained based on the user needs, and references are provided for investment decision of the user, reasonable policies and the like.
Optionally, as shown in fig. 2, the installed project recommending module 25 obtains economic benefit analysis data of each project meeting the basic heat load requirement of the project based on the economic benefit analysis data; based on an economic benefit optimal principle, sequencing the economic benefit analysis data of each scheme meeting the basic heat load requirement of the project, and obtaining the scheme analysis result of one or more recommended schemes; wherein the protocol analysis result comprises: technical analysis results and economic benefit analysis results.
Specifically, the installed project recommendation module 25 obtains economic benefit analysis data of each project meeting the basic heat load requirement of the project based on the economic benefit analysis data; sequencing the economic benefit analysis data of each scheme meeting the basic heat load requirement of the project based on an economic benefit optimal principle, selecting one or more schemes in each scheme as recommendation schemes, and obtaining the scheme analysis results of the one or more recommendation schemes; wherein the protocol analysis result comprises: technical analysis results and economic benefit analysis results.
Optionally, the user interaction module 26 is configured to output one or more recommended thermodynamic performance parameters of the combined cycle system for a user to perform one or more of user authorization, background data management, online technical support, and subsequent tracking services.
Optionally, the user interaction module 26 is configured to output an analysis result of an installation recommendation scheme of a gas turbine combined cooling heating and power supply project to achieve automatic generation and self-help printout of an installation scheme report, and meanwhile, the module has functions of user registration, login, page use, user management, system maintenance and update, and the like.
Optionally, the user interaction module 26 is configured to implement interaction between data and users by using a high-performance server, and a method for simultaneous calculation and storage of multiple users and multiple schemes. And automatically generating an electronic document which can be browsed or downloaded online based on the obtained recommended scheme analysis result according to the built-in report template, and allowing a user to print and output the electronic document as required. And a system manager performs system management and maintenance such as user authorization, background data management, online technical support, subsequent tracking service and the like through the server.
Fig. 5 shows a schematic structural diagram of a gas turbine combined cooling heating and power project installation plan recommendation terminal 50 in an embodiment of the present invention.
The gas turbine cooling, heating and power triple supply project installation scheme recommendation terminal 50 comprises: a memory 51 and a processor 52, the memory 51 for storing computer programs; the processor 52 runs a computer program to implement the method for recommending a cooling, heating and power combined supply project installation scheme of a gas turbine as shown in fig. 1.
Optionally, the number of the memories 51 may be one or more, the number of the processors 52 may be one or more, and fig. 5 is an example.
Optionally, the processor 52 in the gas turbine combined cooling heating and power supply project installation plan recommendation terminal 50 loads one or more instructions corresponding to the process of the application program into the memory 51 according to the steps shown in fig. 1, and the processor 52 runs the application program stored in the first memory 51, so as to implement various functions in the gas turbine combined cooling heating and power supply project installation plan recommendation method shown in fig. 1.
Optionally, the memory 51 may include, but is not limited to, a high speed random access memory, a non-volatile memory. Such as one or more magnetic disk storage devices, flash memory devices, or other non-volatile solid-state storage devices; the Processor 52 may include, but is not limited to, a Central Processing Unit (CPU), a Network Processor (NP), and the like; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component.
Optionally, the Processor 52 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component.
The invention also provides a computer readable storage medium, which stores a computer program, and when the computer program runs, the method for recommending the project installation scheme of the combined cooling, heating and power supply of the gas turbine shown in fig. 1 is realized. The computer-readable storage medium may include, but is not limited to, floppy diskettes, optical disks, CD-ROMs (compact disc-read only memories), magneto-optical disks, ROMs (read-only memories), RAMs (random access memories), EPROMs (erasable programmable read only memories), EEPROMs (electrically erasable programmable read only memories), magnetic or optical cards, flash memory, or other type of media/machine-readable medium suitable for storing machine-executable instructions. The computer readable storage medium may be a product that is not accessed by the computer device or may be a component that is used by an accessed computer device.
In summary, the method, the system and the terminal for recommending the project installation scheme for combined cooling, heating and power supply of the gas turbine are used for solving the problems that in the prior art, the optimization of the project installation scheme for combined cooling, heating and power supply of the gas turbine mainly depends on manual completion, a plurality of professional technicians are required to cooperate, a plurality of equipment manufacturers communicate with each other, and the optimization period of the scheme is long. The optimization of the thermal performance and the analysis of the economic benefits have strong professional work and large workload, and the support of professional tools is lacked, so that the problem of low working efficiency of the cooling, heating and power combined supply project installation of the gas turbine is caused. The method for recommending the project installation scheme of the combined cooling heating and power supply of the gas turbine is developed, so that the intelligent substitution of the research on the project scheme of the combined cooling heating and power supply of the gas turbine is realized, a plurality of schemes and recommended schemes can be quickly obtained according to project requirements, and the optimization efficiency and level of the project installation scheme of the combined cooling heating and power supply of the gas turbine are effectively improved. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A method for recommending a project installation scheme for combined cooling heating and power supply of a gas turbine is characterized by comprising the following steps of:
inputting one or more technical boundary input parameters that meet a project base heat load requirement;
based on the technical boundary input parameters, screening the thermodynamic performance parameters of the combined cycle system of one or more schemes meeting the basic heat load requirement of the project from the acquired thermodynamic performance parameters of the combined cycle systems of a plurality of installed schemes to acquire technical analysis results of each scheme so as to acquire the technical analysis results of each scheme;
inputting one or more economic benefit boundary input parameters meeting the economic benefit analysis requirements of the project;
based on the economic benefit boundary input parameters, obtaining an economic benefit analysis result meeting the economic benefit analysis requirement of the project according to the obtained economic benefit analysis basic data;
obtaining one or more recommended scheme analysis results according to economic benefit analysis results of each scheme meeting the basic heat load demand of the project, which are obtained from the economic benefit analysis data, based on an economic benefit optimization principle, wherein the scheme analysis results comprise: technical analysis results and economic benefit analysis results;
and outputting the scheme analysis result of one or more of the recommended schemes for the user to perform system management and maintenance operation.
2. The method for recommending a project installation scheme by combined supply of cooling, heating and power of a gas turbine as claimed in claim 1, wherein the step of screening one or more combined cycle system thermodynamic performance parameters of the project basic heat load requirement from among the obtained combined cycle system thermodynamic performance parameters of a plurality of installation schemes based on the technical boundary input parameters to obtain technical analysis results of each scheme comprises the steps of:
calculating thermal performance parameters of the gas turbine in a plurality of schemes based on a gas turbine balance method;
calculating the thermal performance parameters of the waste heat boilers of the multiple schemes according to the performance parameters of the gas turbines of the multiple schemes;
calculating the thermal performance parameters of the steam turbines of the plurality of schemes according to the thermal performance parameters of the preheating boiler;
calculating the thermal performance parameters of the combined cycle system of each scheme according to the thermal performance parameters of the gas turbines, the thermal performance parameters of the waste heat boilers and the thermal performance parameters of the steam turbines of the plurality of schemes;
based on the technical boundary input parameters, screening out one or more combined cycle system thermal performance parameters meeting the basic thermal load requirements of the project from the combined cycle system thermal performance parameters of each project;
and respectively carrying out comparative analysis according to the thermal performance parameters of the combined cycle system to obtain technical analysis results of one or more schemes meeting the basic heat load requirements of the project.
3. The method for recommending a cooling, heating and power combined supply project installation scheme of a gas turbine as claimed in claim 1, wherein the step of obtaining an economic benefit analysis result satisfying the economic benefit analysis requirement of the project according to the obtained economic benefit analysis basic data based on the economic benefit boundary input parameter comprises the steps of:
obtaining economic benefit analysis base data including equipment prices and associated rates and coefficients for economic benefit calculation;
based on the economic benefit boundary input parameters, obtaining an economic benefit analysis result meeting the economic benefit analysis requirement of the project according to the economic benefit analysis basic data;
wherein, the economic benefit analysis result comprises: construction investment composition analysis, construction investment estimation, total investment planning and capital raising, repayment, cost, profit and loss tables, cash flow, financial evaluation indicators, and sensitivity analysis data.
4. The method for recommending a project installation plan for combined cooling heating and power supply of a gas turbine as claimed in claim 1, wherein the economic benefit optimization principle is used to obtain plan analysis results of one or more recommended plans according to the economic benefit analysis results of the plans satisfying the basic heat load requirement of the project, which are obtained from the economic benefit analysis data, wherein the plan analysis results include: the technical analysis result and the economic benefit analysis result comprise:
obtaining economic benefit analysis data of each scheme meeting the basic heat load requirement of the project based on the economic benefit analysis data;
based on an economic benefit optimal principle, sequencing the economic benefit analysis data of each scheme meeting the basic heat load requirement of the project, and obtaining the scheme analysis result of one or more recommended schemes;
wherein the protocol analysis result comprises: technical analysis results and economic benefit analysis results.
5. The method for recommending a project installation plan for combined cooling heating and power supply of a gas turbine as claimed in claim 1, wherein said outputting a plan analysis result of one or more of the recommended plans for performing system management and maintenance operations comprises:
and outputting the scheme analysis result of one or more of the recommended schemes for the user to perform one or more of user authorization, background data management, online technical support and follow-up tracking service.
6. The method for recommending a cooling, heating and power combined project installation scheme for a gas turbine as claimed in claim 1, wherein the type of said technical boundary input parameters comprises: the method comprises the following steps of one or more of a combined cycle unit configuration mode, average load flow, maximum load flow, steam pressure and temperature of project steam supply, project refrigeration parameters, fuel components or heat values used by projects, environmental parameters of different periods of the places where the projects are located and corresponding running time.
7. The method for recommending a cooling, heating and power combined project installation scheme for a gas turbine as claimed in claim 1, wherein the types of economic benefit boundary input parameters comprise: one or more of a construction investment input parameter, a project operation input parameter, and a production cost input parameter.
8. The method for recommending a cooling, heating and power combined supply project installation scheme of a gas turbine according to any one of claims 1 to 4, wherein said thermodynamic performance parameters of said combined cycle system comprise: the overall thermal performance parameters, the gas turbine equipment model selection parameters, the waste heat boiler equipment model selection parameters and the steam turbine equipment model selection parameters.
9. A gas turbine combined cooling heating and power project installation scheme recommendation system is characterized by comprising:
a technical boundary input module for inputting one or more technical boundary input parameters that satisfy a project base heat load requirement;
the technical performance analysis module is connected with the technical boundary input module and used for screening the thermodynamic performance parameters of the combined cycle system of one or more schemes meeting the basic heat load requirement of the project from the acquired thermodynamic performance parameters of the combined cycle system of the multiple installed schemes based on the technical boundary input parameters so as to acquire technical analysis results of the schemes;
the effective boundary input module is used for inputting one or more economic benefit boundary input parameters meeting the economic benefit analysis requirements of the project;
the effective analysis module is connected with the effective boundary input module and used for obtaining an economic benefit analysis result meeting the economic benefit analysis requirement of the project according to the obtained economic benefit analysis basic data based on the economic benefit boundary input parameters;
an installed solution recommending module, configured to connect the technical performance analyzing module and the economic efficiency analyzing module, and configured to obtain solution analyzing results of one or more recommended solutions according to economic efficiency analyzing results of solutions meeting the basic heat load demand of the project, obtained from the economic efficiency analyzing data, based on an economic efficiency optimizing principle, where the solution analyzing results include: technical analysis results and economic benefit analysis results;
and the user interaction module is connected with the installed scheme recommendation module and is used for outputting scheme analysis results of one or more schemes in each recommendation scheme so as to provide the user for system management and maintenance operation.
10. A gas turbine cooling, heating and power trigeminy supplies project installation scheme recommendation terminal which characterized in that includes:
a memory for storing a computer program;
a processor for executing the method for recommending a combined cooling heating and power project plan of a gas turbine as claimed in any one of claims 1 to 8.
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