Photo-thermal unit system adjusting method and device, server and storage medium

Abstract

The invention provides a photo-thermal unit system adjusting method and device, a server and a storage medium. The method comprises the steps that all operation parameters of unit units in a photo-thermal unit system are collected; performing data processing on all the operation parameters to obtain an operation state value of the unit; displaying the running state value through a display terminal to obtain a running state interface of the unit; in response to a triggering operation of an operator on a preset adjusting device according to the running state interface of the unit unit, generating one or more corresponding adjusting instructions; and the unit unit is adjusted according to the one or more adjusting instructions, so that normal operation of the unit unit is ensured, and the adjusting precision of the photo-thermal unit system is improved.

Description

Technical Field

[0001] The present application relates to the field of solar thermal power generation, and in particular to a solar thermal unit system adjustment method, device, server and storage medium. Background Art

[0002] With the rapid development of the new energy industry, the "solar thermal +" model will become a key development direction, using solar thermal to couple with photovoltaic wind power and other energy forms to form a multi-energy complementary operation mode to improve the efficiency of the new power system. In the solar thermal power generation system, the solar thermal unit system such as heat absorption and heat storage equipment in the heat island is the core component of the solar thermal power generation system.

[0003] In the prior art, the traditional method of adjusting the system of a solar thermal power plant is mainly to make corresponding adjustments to the operating problems of the solar thermal power plant system manually in combination with historical experience.

[0004] However, in the prior art, the system regulation of the solar thermal unit is only adjusted by combining manual and historical experience to adjust the operation problems of the unit, which easily leads to poor accuracy of the system regulation of the solar thermal unit. Summary of the invention

[0005] The present application provides a method, device, server and storage medium for adjusting a solar thermal unit system, so as to solve the problem that the solar thermal unit system adjustment is only performed by combining manual and historical experience to adjust the operation of the unit, which easily leads to the problem of poor adjustment accuracy of the solar thermal unit system.

[0006] In a first aspect, the present application provides a method for adjusting a solar thermal system, which is applied to a server and includes:

[0007] Collecting all operating parameters of the unit in the solar thermal system;

[0008] Performing data processing on all operating parameters to obtain the operating status value of the unit;

[0009] The operating status value is displayed through a display terminal to obtain an operating status interface of the unit;

[0010] In response to the operator triggering the preset adjustment device according to the operation status interface of the unit, generating one or more corresponding adjustment instructions;

[0011] The unit is adjusted according to the one or more adjustment instructions to ensure normal operation of the unit.

[0012] In a possible design, the operating status value includes an operating status record value, a historical operating status value and a performance parameter value; accordingly, the data processing of all operating parameters to obtain the operating status value of the unit unit includes: preprocessing all the operating parameters to obtain the preprocessed operating parameters; tabulating and recording the preprocessed operating parameters to obtain the operating status record value of the unit unit; retrieving and storing historical data of all the operating parameters to obtain the historical operating status value of the unit unit; and performing corresponding performance calculation processing on all the operating parameters to obtain the performance parameter value of the unit unit.

[0013] In one possible design, all the operating parameters include one or more of the following: thermal efficiency of the steam generating system, comprehensive thermal efficiency of the turbine-generator cycle, plant power consumption, main steam temperature, pressure, exhaust pressure, steam temperature, steam inlet pressure, condenser pressure, feed water temperature, excess air and generator electrical pulse.

[0014] In a possible design, the unit may be a unit or each device; accordingly, the corresponding performance calculation processing is performed on all the operating parameters to obtain the performance parameter value of the unit, including: performing performance calculation processing on the net heat consumption of the unit according to the thermal efficiency of the steam generation system, the comprehensive thermal efficiency of the steam turbine generator cycle and the plant power consumption to obtain the net heat consumption rate of the unit; performing performance calculation processing on the efficiency of the steam turbine to obtain the high-pressure cylinder efficiency, medium-pressure cylinder efficiency and low-pressure cylinder efficiency of the steam turbine; performing performance calculation processing on the efficiency of the feedwater heater Processing is performed to obtain the feedwater heater efficiency; the efficiency of the condenser is subjected to performance calculation processing according to the condenser cleanliness coefficient to obtain the condenser efficiency; the efficiency of the air preheater, superheater and reheater are subjected to performance calculation processing respectively to obtain the preheater efficiency, the superheater efficiency and the reheater efficiency; the deviation value between the thermal efficiency of the unit and the rated thermal efficiency is calculated according to the deviation value of the steam temperature, the steam inlet pressure, the condenser pressure, the feedwater temperature and the excess air; the power generation of the generator is subjected to performance calculation processing according to the generator electrical pulse to obtain the power generation of the generator.

[0015] In a possible design, the operating status interface at least includes a trend display and an alarm display; the adjustment instruction is an opening and / or pausing instruction; the unit unit may be a unit, each equipment group or each equipment, wherein each equipment and related components constitute a corresponding equipment group, and each equipment group constitutes the unit; accordingly, the operating status value is displayed through a display terminal to obtain the operating status interface of the unit unit, including: the operating status record value, the historical operating status value and the performance parameter value are displayed through a display terminal to obtain the trend display and alarm display corresponding to the unit unit; accordingly, the response to the operator according to the unit The operating status interface of the group unit triggers the operation of the preset adjustment device, and generates one or more corresponding adjustment instructions, including: in response to the operator's triggering operation of the preset adjustment device according to the trend display and the alarm display in the operating status interface of the group unit, one or more corresponding start and / or pause instructions are generated; accordingly, the group unit is adjusted according to the one or more adjustment instructions to ensure the normal operation of the group unit, including: according to the one or more start and / or pause instructions, and in the order of the group, the equipment groups and the equipment, corresponding start and / or pause adjustments are performed to ensure the normal operation of the group unit.

[0016] In one possible design, each equipment group includes one or more of the following equipment groups: an electric feed water pump subgroup, a condensate subgroup, a condenser vacuum system subgroup, a steam turbine shaft seal system subgroup, a high-pressure heater and a low-pressure heater subgroup, a steam turbine water ingress prevention subgroup, an auxiliary steam system subgroup, an auxiliary machine cooling water system subgroup, a steam turbine bypass subgroup, a generator-transformer subgroup, an air cooling subgroup, a plant electronic group, an evaporator subgroup, a preheater subgroup, a superheater and reheater subgroup, a hot molten salt pump subgroup, a cold molten salt pump subgroup, a mixed temperature pump subgroup, and a salt drainage system subgroup.

[0017] In a possible design, it also includes: when the unit is operating normally, continuous control in multiple ways is performed on the operating unit to ensure that the operating load of the unit is within a preset load range and that each operating parameter is less than the corresponding preset limit value.

[0018] In one possible design, the multiple control modes include one or more of the following: automatic power generation control, unit coordination control, steam turbine control, steam generator control, heat storage and exchange system control, and automatic regulation subsystem control.

[0019] In a second aspect, the present application provides a solar thermal unit system adjustment device, which is applied to a server, including:

[0020] A collection module, used to collect all operating parameters of the unit in the solar thermal system;

[0021] A processing module, used for performing data processing on all operating parameters to obtain an operating status value of the unit;

[0022] A display module, used for displaying the operating status value through a display terminal to obtain an operating status interface of the unit;

[0023] A generating module, configured to generate one or more corresponding adjustment instructions in response to an operator triggering an operation of a preset adjustment device according to an operation status interface of the unit;

[0024] The regulating module is used to regulate the unit according to the one or more regulating instructions to ensure the normal operation of the unit.

[0025] In a third aspect, the present application provides a server, comprising: at least one processor and a memory;

[0026] The memory stores computer-executable instructions;

[0027] The at least one processor executes the computer-executable instructions stored in the memory, so that the at least one processor executes the solar thermal power unit system adjustment method as described in the first aspect and various possible designs of the first aspect.

[0028] In a fourth aspect, the present application provides a computer storage medium, in which computer execution instructions are stored. When a processor executes the computer execution instructions, the solar thermal system adjustment method described in the first aspect and various possible designs of the first aspect is implemented.

[0029] The solar thermal unit system adjustment method, device, server and storage medium provided in the present application collect all operating parameters of the unit units in the solar thermal unit system; perform data processing on all operating parameters to obtain operating status values ​​of the unit units; display the operating status values ​​through a display terminal to obtain an operating status interface of the unit units; generate one or more corresponding adjustment instructions in response to an operator's triggering operation of a preset adjustment device according to the operating status interface of the unit unit; adjust the unit unit according to the one or more adjustment instructions to ensure the normal operation of the unit unit, determine the corresponding adjustment instructions through the data display in the operating status interface, and adjust the unit, thereby improving the adjustment accuracy of the solar thermal unit system. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0031] Figure 1 A schematic diagram of an application scenario of the solar thermal unit system adjustment method provided in an embodiment of the present application;

[0032] Figure 2 Schematic diagram of the process of adjusting the solar thermal system provided in the embodiment of the present application Figure 1 ;

[0033] Figure 3 Schematic diagram of the process of adjusting the solar thermal system provided in the embodiment of the present application Figure 2 ;

[0034] Figure 4 A schematic diagram of the structure of a solar thermal unit system adjustment device provided in an embodiment of the present application;

[0035] Figure 5 A schematic diagram of the hardware structure of the server provided in an embodiment of the present application. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0037] With the rapid development of the new energy industry, the "solar thermal +" model is a clean energy power generation method that integrates the characteristics of solar thermal conversion power generation, large-scale heat storage and conventional AC synchronous power generation. It has multiple functions such as green power generation, energy storage and peak-shaving power supply, and has become a key development direction in the future. It can use solar thermal to couple with various energy forms such as photovoltaic wind power to form a multi-energy complementary operation mode to improve the working efficiency of the new power system. In the solar thermal power generation system, the solar thermal unit system such as heat absorption and heat storage equipment in the heat island is the core component of the solar thermal power generation system. In the prior art, the traditional solar thermal unit system adjustment method is mainly through manual methods, combined with historical experience, to make corresponding adjustments to the operation problems of the solar thermal unit system. However, in the prior art, the solar thermal unit system adjustment only adjusts the operation problems of the unit by combining manual and historical experience, which easily makes the accuracy of the solar thermal unit system adjustment poor.

[0038] In order to solve the above technical problems, the embodiments of the present application propose the following technical concepts: Taking into account the poor adjustment accuracy of the existing solar thermal unit system, the inventor performs data processing based on all the collected operating parameters to obtain the operating status value of the unit; in response to the operator's triggering operation of the preset adjustment device according to the displayed operating status value interface, a corresponding adjustment instruction is generated; the unit unit is adjusted using the generated adjustment instruction to ensure the normal operation of the unit unit, thereby improving the adjustment accuracy of the solar thermal unit system.

[0039] Figure 1 It is a schematic diagram of an application scenario of the solar thermal unit system adjustment method provided in an embodiment of the present application.

[0040] like Figure 1 As shown, the scenario includes: a display terminal 101 and a server 102 .

[0041] The display terminal 101 may be a display terminal or a terminal such as a personal computer.

[0042] The server 102 may be an independent server or a cluster consisting of multiple servers.

[0043] The server 102 collects all the operating parameters of the unit in the solar thermal system and processes the data to obtain the operating status value of the unit; the operating status value is transmitted to the display terminal 101 via a wireless network. The display terminal 101 displays the operating status value as an operating status interface. The server 102 generates one or more corresponding adjustment instructions in response to the operator's triggering operation on the preset adjustment device according to the operating status interface; the unit is adjusted according to one or more adjustment instructions to ensure the normal operation of the unit. A detailed embodiment is used below for detailed description.

[0044] Figure 2 Schematic diagram of the process of adjusting the solar thermal system provided in the embodiment of the present application Figure 1 , the execution subject of this embodiment can be Figure 1 The server in the embodiment shown is not particularly limited in this embodiment. Figure 2 As shown, the method includes:

[0045] S201: Collect all operating parameters of the unit in the solar thermal system.

[0046] In this embodiment, all operating parameters include one or more of the following: thermal efficiency of the steam generation system, comprehensive thermal efficiency of the steam turbine generator cycle, plant power consumption, main steam temperature, pressure, exhaust pressure, steam temperature, steam inlet pressure, condenser pressure, feed water temperature, excess air and generator electrical pulse.

[0047] In this embodiment, the machine unit is a machine set, each equipment group or each equipment.

[0048] In addition, the units can also be divided into main units and auxiliary units.

[0049] S202: Perform data processing on all operating parameters to obtain the operating status value of the unit.

[0050] In this embodiment, the running status value includes the running status record value, the historical running status value and the performance parameter value; accordingly, step S202 specifically includes:

[0051] S2021: pre-processing all operating parameters to obtain pre-processed operating parameters; and tabulating and recording the pre-processed operating parameters to obtain operating status record values ​​of the unit.

[0052] In this embodiment, the preprocessing may be one or more of scaling, modulation, verification, linear compensation, filtering, digital processing, and engineering unit conversion.

[0053] In this embodiment, the tabulation record processing may be one or more of periodic record, operation record, event sequence record, accident recall record and equipment operation record.

[0054] S2022: Retrieve and store historical data of all operating parameters to obtain historical operating status values ​​of the unit.

[0055] S2023: Perform corresponding performance calculation processing on all operating parameters to obtain performance parameter values ​​of the unit.

[0056] In this embodiment, the unit may be a unit or each device; accordingly, step S2023 specifically includes:

[0057] S20231: The net heat consumption of the unit is calculated based on the thermal efficiency of the steam generation system, the comprehensive thermal efficiency of the turbine generator cycle and the plant electricity consumption to obtain the net heat consumption rate of the unit.

[0058] S20232: Perform performance calculation on the efficiency of the steam turbine to obtain the high-pressure cylinder efficiency, medium-pressure cylinder efficiency and low-pressure cylinder efficiency of the steam turbine.

[0059] Specifically, step S20232 is as follows: using the enthalpy drop method to perform performance calculation processing on the efficiency of the steam turbine to obtain the high-pressure cylinder efficiency, the medium-pressure cylinder efficiency and the low-pressure cylinder efficiency of the steam turbine.

[0060] S20233: Perform performance calculation processing on the efficiency of the feedwater heater to obtain the efficiency of the feedwater heater.

[0061] Specifically, step S20233 is as follows: using the end difference and approximation method to perform performance calculation processing on the efficiency of the feedwater heater to obtain the efficiency of the feedwater heater.

[0062] S20234: Perform performance calculation processing on the efficiency of the condenser according to the condenser cleanliness coefficient to obtain the condenser efficiency.

[0063] Specifically, step S20234 is as follows: obtaining a condenser cleanliness factor according to the "Heat Exchange Institute Standard (HEIS)", and performing performance calculation processing on the condenser efficiency according to the condenser cleanliness factor to obtain the condenser efficiency.

[0064] S20235: The performance calculation process is performed on the air preheater, superheater and reheater efficiencies respectively to obtain the preheater efficiency, superheater efficiency and reheater efficiency.

[0065] In this embodiment, the corresponding performance calculation process is performed by using the energy balance principle.

[0066] S20236: The deviation between the thermal efficiency of the computer group and the rated thermal efficiency is calculated based on the deviation of the steam temperature, steam inlet pressure, condenser pressure, feed water temperature and excess air.

[0067] S20237: Perform performance calculation processing on the power generation of the generator according to the generator electrical pulse to obtain the power generation of the generator.

[0068] In this embodiment, the power generation of the generator can also be calculated by using a method of accumulating power per unit time.

[0069] In addition, the corresponding performance calculation processing for all operating parameters also includes: using the input and output method to calculate the entire cycle performance of the steam turbine generator, and using the obtained data to correct the deviation of parameters such as main steam temperature, pressure and exhaust pressure; using the input and output and heat loss method to calculate the steam generation efficiency, and list the controllable heat loss and uncontrollable heat loss separately; calculating the active and reactive power of the generator; using the method of power accumulation per unit time or directly counting the plant power pulse method to calculate the plant power rate, that is, the plant power rate per hour, per value and per day; calculating the generator load curve; calculating the plant power load curve; generator power factor; counting the number of circuit breaker tripping and closing times.

[0070] S203: Displaying the operating status value via the display terminal to obtain an operating status interface of the unit.

[0071] In this embodiment, the operating status interface at least includes a trend display and an alarm display; the adjustment instruction is an open and / or pause instruction; the unit unit can be a unit, each equipment group or each equipment, wherein each equipment and related components constitute the corresponding equipment group, and each equipment group constitutes the unit; accordingly, step S203 specifically includes: displaying the operating status record value, the historical operating status value and the performance parameter value through the display terminal to obtain the trend display and alarm display corresponding to the unit unit.

[0072] In addition, the operating status interface also includes operation display, group display, bar graph display, simulation diagram display, system display and help display.

[0073] In this embodiment, each equipment group includes one or more of the following equipment groups: electric feed water pump sub-group, condensate water sub-group, condenser vacuum system sub-group, turbine shaft seal system sub-group, high-pressure heater and low-pressure heater sub-group, turbine water ingress prevention sub-group, auxiliary steam system sub-group, auxiliary equipment cooling water system sub-group, turbine bypass sub-group, generator-transformer sub-group, air cooling sub-group, plant electronic group, evaporator sub-group, preheater sub-group, superheater and reheater sub-group, hot molten salt pump sub-group, cold molten salt pump sub-group, mixed temperature pump sub-group and salt drainage system sub-group.

[0074] Exemplarily, each equipment group is a combination of related equipment, valves and oil stations.

[0075] S204: In response to the operator's triggering operation on the preset adjustment device according to the operation status interface of the unit, one or more corresponding adjustment instructions are generated.

[0076] Specifically, step S204 specifically includes: in response to the operator's triggering operation of the preset adjustment device according to the trend display and the alarm display in the operation status interface of the unit unit, generating one or more corresponding start and / or pause instructions.

[0077] Among them, the preset adjustment device is a display screen, a keyboard, or a display screen and a keyboard to correspond to different levels of operation permission conditions to prevent misoperation.

[0078] In addition, in the specific implementation of step S204, one or more corresponding start and / or pause instructions can be generated in response to the operator's triggering operation of the preset adjustment device based on the integration of trend display, alarm display, operation display, group display, bar graph display, simulation diagram display, system display and help display in the operating status interface of the unit.

[0079] S205: Adjust the unit according to one or more adjustment instructions to ensure the normal operation of the unit.

[0080] Specifically, step S205 specifically includes: according to one or more start and / or pause instructions, corresponding start and / or pause adjustments are performed in the order of the unit, each equipment group and each equipment to ensure the normal operation of the unit.

[0081] The sequence of the machine groups, equipment groups and equipment can also be modified, jumped or interrupted accordingly.

[0082] In addition, the above sequence is also used for auxiliary machines, valves and dampers that are frequently operated during unit operation, and auxiliary machines, valves and dampers that need to be operated in a timely manner during the startup process and accident handling.

[0083] In summary, the solar thermal unit system adjustment method provided in the present embodiment collects all operating parameters of the unit units in the solar thermal unit system; performs data processing on all operating parameters to obtain operating status values ​​of the unit units; displays the operating status values ​​through a display terminal to obtain an operating status interface of the unit units; generates one or more corresponding adjustment instructions in response to an operator's triggering operation of a preset adjustment device according to the operating status interface of the unit unit; adjusts the unit unit according to the one or more adjustment instructions to ensure the normal operation of the unit unit, determines the corresponding adjustment instructions through the data display in the operating status interface, and adjusts the unit, thereby improving the adjustment accuracy of the solar thermal unit system.

[0084] In addition, by adjusting the start and / or pause of the unit units according to the order of the unit, each equipment group and each equipment, the adjustment and control logic of the solar thermal unit system is clearer.

[0085] In addition, the solar thermal unit system can independently acquire data, process data, and display operating status, which improves the real-time response speed of the solar thermal unit system.

[0086] Figure 3 Schematic diagram of the process of adjusting the solar thermal system provided in the embodiment of the present application Figure 2 In the embodiment of the present application, Figure 2 Based on the provided embodiments, the specific implementation method for the subsequent safe operation of the solar thermal system is described in detail. Figure 3 As shown, the method includes:

[0087] S301: Collect all operating parameters of the unit in the CSP system.

[0088] In this embodiment, the discussion on the unit and all operating parameters has been described in detail in step S201, and will not be repeated here.

[0089] S302: Perform data processing on all operating parameters to obtain the operating status value of the unit.

[0090] In this embodiment, the discussion on data processing has been described in detail in step S202 and will not be repeated here.

[0091] S303: Displaying the operating status value through the display terminal to obtain the operating status interface of the unit.

[0092] In this embodiment, the discussion on the running status interface has been described in detail in step S203 and will not be repeated here.

[0093] S304: In response to the operator's triggering operation on the preset adjustment device according to the operation status interface of the unit, one or more corresponding adjustment instructions are generated.

[0094] In this embodiment, the discussion on the preset adjustment device and the adjustment instruction has been described in detail in step S204, and will not be repeated here.

[0095] S305: Adjust the unit according to one or more adjustment instructions to ensure the normal operation of the unit.

[0096] In this embodiment, the discussion on the internal sequence of the unit group has been described in detail in step S205, which will not be repeated here.

[0097] S306: When the unit is operating normally, the operating unit is continuously controlled in multiple ways to ensure that the operating load of the unit is within a preset load range and that each operating parameter is less than the corresponding preset limit value.

[0098] In this embodiment, the preset load range and the preset limit value are determined according to actual conditions.

[0099] In this embodiment, the multiple control modes include one or more of the following: automatic power generation control, unit coordination control, steam turbine control, steam generator control, heat storage and exchange system control, and automatic regulation subsystem control.

[0100] The specific process of automatic power generation control is as follows: after processing the load instructions from the power dispatching center, plant-level monitoring information system or the shift supervisor, they are used as load commands for the controlled units and issued to the unit coordination control system to control the output of the units.

[0101] The specific process of unit coordinated control is as follows: control the steam generator, steam turbine and generator set as a whole unit, so that the steam generator and steam turbine respond to the control requirements at the same time, ensuring that the unit can quickly and stably meet the load changes and maintain stable operation; coordinate the operation of the steam generator and its auxiliary equipment with the steam turbine, so as to quickly, accurately and stably respond to the load instructions of the automatic dispatching system, power plant operators or SIS, and carry out effective production; according to operating constraints such as auxiliary machine failures or equipment abnormalities, in a highly adaptive manner, the load performance is optimized to meet the requirements of continuous and safe operation.

[0102] The specific process of steam turbine control includes: according to the unit load command, sending the steam turbine valve opening command signal to the steam turbine generator control system (DEH); if the adjustment of the steam turbine control valve is restricted for some reason, the control system can also operate in a coordinated or integrated manner; if the pressure in front of the machine exceeds the allowable limit, the system can control the steam turbine and generator set to prevent the pressure in front of the machine from further deviating from the set value.

[0103] Among them, steam generator control includes the following three control processes:

[0104] The process of superheated steam temperature regulation and control is as follows: the superheated steam temperature depends on the steam temperature deviation, and at the same time the unit load is used as feedforward, and a feedforward plus feedback control scheme is adopted to ensure that the superheated steam temperature is within an appropriate range.

[0105] The process of reheat steam temperature regulation and control is as follows: the reheat steam temperature is controlled by adjusting the molten salt flow on the superheater and reheater sides to achieve a reasonable distribution of the molten salt flow on the superheater and reheater sides, ultimately ensuring that the reheat steam temperature meets the operating requirements.

[0106] The process of feed water flow regulation and control is as follows: the feed water flow adopts single impulse regulation at low load and three impulse control at high load, ultimately ensuring that the water level in the steam drum of the steam generation system is within a reasonable range.

[0107] Among them, the heat storage and exchange system control includes the following two control processes:

[0108] The specific process of controlling the molten salt temperature at the outlet of the heat absorber is as follows: adjusting the molten salt flow rate in the upper tower by adjusting the speed of the cold salt pump to achieve the purpose of adjusting the molten salt temperature at the outlet of the heat absorber.

[0109] The specific process of controlling the temperature of the molten salt at the inlet of the steam generation system is as follows: the cold molten salt mixed into the hot molten salt pipeline is adjusted by adjusting the speed of the temperature mixing pump to achieve the purpose of adjusting the temperature of the molten salt at the inlet of the steam generation system.

[0110] Among them, the automatic adjustment subsystem control includes one or more of the following control systems:

[0111] Drum water level regulation system, steam generator outlet pressure regulation, superheated steam temperature regulation, high-pressure heater water level regulation system, low-pressure heater water level regulation system, condenser hot well water level regulation system, deaerator water level regulation system, deaerator pressure regulation system, steam turbine generator set lubricating oil temperature regulation system, generator stator cooling water temperature regulation system, generator hydrogen temperature regulation system, generator sealing oil temperature regulation system and turbine bypass regulation system.

[0112] In summary, the solar thermal unit system adjustment method provided in the present embodiment collects all operating parameters of the unit units in the solar thermal unit system; performs data processing on all operating parameters to obtain operating status values ​​of the unit units; displays the operating status values ​​through a display terminal to obtain an operating status interface of the unit units; generates one or more corresponding adjustment instructions in response to an operator's triggering operation of a preset adjustment device according to the operating status interface of the unit unit; adjusts the unit units according to one or more adjustment instructions to ensure the normal operation of the unit units; when the unit units are operating normally, continuously controls the running units in multiple ways to ensure that the operating load of the unit is within the preset load range and that each operating parameter is less than the corresponding preset limit value, so that the operation of the solar thermal unit system is safer.

[0113] Figure 4 This is a schematic diagram of the structure of the solar thermal unit system adjustment device provided in the embodiment of the present application. Figure 4 As shown, the solar thermal unit system adjustment device includes: a collection module 401, a processing module 402, a display module 403, a generation module 404 and an adjustment module 405.

[0114] The acquisition module 401 is used to acquire all operating parameters of the unit in the CSP system;

[0115] The processing module 402 is used to perform data processing on all operating parameters to obtain the operating status value of the unit;

[0116] A display module 403 is used to display the operating status value through a display terminal to obtain an operating status interface of the unit;

[0117] A generating module 404, configured to generate one or more corresponding adjustment instructions in response to the triggering operation of the preset adjustment device by the operator according to the operation status interface of the unit;

[0118] The adjustment module 405 is used to adjust the unit according to the one or more adjustment instructions to ensure the normal operation of the unit.

[0119] In a possible implementation, the operating status value includes an operating status record value, a historical operating status value, and a performance parameter value; accordingly, the processing module 402 specifically includes:

[0120] The first processing unit 4021 is used to pre-process all the operating parameters to obtain pre-processed operating parameters; and to tabulate and record the pre-processed operating parameters to obtain operating status record values ​​of the unit;

[0121] The second processing unit 4022 is used to retrieve and store historical data of all the operating parameters to obtain the historical operating status value of the unit;

[0122] The third processing unit 4023 is used to perform corresponding performance calculation processing on all the operating parameters to obtain the performance parameter value of the unit.

[0123] In one possible implementation, all the operating parameters include one or more of the following: thermal efficiency of the steam generation system, comprehensive thermal efficiency of the steam turbine generator cycle, plant power consumption, main steam temperature, pressure, exhaust pressure, steam temperature, steam inlet pressure, condenser pressure, feed water temperature, excess air and generator electrical pulse.

[0124] In a possible implementation, the machine unit may be a machine unit or each device; accordingly, the third processing unit 4023 specifically includes:

[0125] The first processing unit 40231 is used to perform performance calculation processing on the net heat consumption of the unit according to the thermal efficiency of the steam generation system, the comprehensive thermal efficiency of the steam turbine generator cycle and the plant power consumption to obtain the net heat consumption rate of the unit;

[0126] The second processing unit 40232 is used to perform performance calculation processing on the efficiency of the steam turbine to obtain the high-pressure cylinder efficiency, the medium-pressure cylinder efficiency and the low-pressure cylinder efficiency of the steam turbine;

[0127] The third processing unit 40233 is used to perform performance calculation processing on the efficiency of the feedwater heater to obtain the efficiency of the feedwater heater;

[0128] The fourth processing unit 40234 is used to perform performance calculation processing on the efficiency of the condenser according to the condenser cleanliness coefficient to obtain the condenser efficiency;

[0129] The fifth processing unit 40235 is used to perform performance calculation processing on the efficiencies of the air preheater, the superheater and the reheater, respectively, to obtain the preheater efficiency, the superheater efficiency and the reheater efficiency;

[0130] The sixth processing unit 40236 is used to calculate the deviation value between the thermal efficiency of the unit and the rated thermal efficiency according to the deviation value of the steam temperature, the steam inlet pressure, the condenser pressure, the feed water temperature and the excess air;

[0131] The seventh processing unit 40237 is used to perform performance calculation processing on the power generation of the generator according to the generator electrical pulse to obtain the power generation of the generator.

[0132] In a possible implementation, the operating status interface includes at least a trend display and an alarm display; the adjustment instruction is an opening and / or pausing instruction; the unit may be a unit, each equipment group or each equipment, wherein the each equipment and related components constitute the corresponding equipment group, and the each equipment group constitutes the unit; accordingly, the display module 403 is specifically used to: display the operating status record value, the historical operating status value and the performance parameter value through a display terminal to obtain the trend display and alarm display corresponding to the unit; accordingly, the generation module 404 is specifically used to: generate one or more corresponding opening and / or pausing instructions in response to the triggering operation of the preset adjustment device by the operator according to the trend display and the alarm display in the operating status interface of the unit; accordingly, the adjustment module 405 is specifically used to: perform corresponding opening and / or pausing adjustments according to the one or more opening and / or pausing instructions and in the order of the unit, the each equipment group and the each equipment to ensure the normal operation of the unit.

[0133] In one possible implementation, each equipment group includes one or more of the following equipment groups: an electric feed water pump subgroup, a condensate water subgroup, a condenser vacuum system subgroup, a steam turbine shaft seal system subgroup, a high-pressure heater and a low-pressure heater subgroup, a steam turbine water ingress prevention subgroup, an auxiliary steam system subgroup, an auxiliary machine cooling water system subgroup, a steam turbine bypass subgroup, a generator-transformer subgroup, an air cooling subgroup, a plant electronic group, an evaporator subgroup, a preheater subgroup, a superheater and reheater subgroup, a hot molten salt pump subgroup, a cold molten salt pump subgroup, a mixed temperature pump subgroup, and a salt drainage system subgroup.

[0134] In a possible implementation manner, the device further includes:

[0135] The control module 406 is used to continuously control the running unit in multiple ways when the unit is operating normally, so as to ensure that the operating load of the unit is within a preset load range and that each operating parameter is less than the corresponding preset limit value.

[0136] In a possible implementation, the multiple control modes include one or more of the following: automatic power generation control, unit coordination control, steam turbine control, steam generator control, heat storage and exchange system control, and automatic regulation subsystem control.

[0137] The device provided in this embodiment can be used to execute the technical solution of the above method embodiment. Its implementation principle and technical effect are similar, and this embodiment will not be repeated here.

[0138] Figure 5 The hardware structure diagram of the server provided in the embodiment of the present application is shown in FIG. Figure 5 As shown, the server of this embodiment includes: a processor 501 and a memory 502; the memory stores computer execution instructions; at least one processor executes the computer execution instructions stored in the memory, so that at least one processor executes the above solar thermal unit system adjustment method.

[0139] Optionally, the memory 502 may be independent or integrated with the processor 501 .

[0140] When the memory 502 is independently provided, the server further includes a bus 503 for connecting the memory 502 and the processor 501 .

[0141] The embodiment of the present application also provides a computer storage medium, in which computer execution instructions are stored. When a processor executes the computer execution instructions, the above-mentioned solar thermal unit system adjustment method is implemented.

[0142] The embodiment of the present application also provides a computer program product, including a computer program, and when the computer program is executed by a processor, the solar thermal unit system adjustment method as described above is implemented.

[0143] In the several embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the modules is only a logical function division. There may be other division methods in actual implementation, such as multiple modules can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces, devices or modules, which can be electrical, mechanical or other forms.

[0144] The modules described as separate components may or may not be physically separated, and the components shown as modules may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the modules may be selected according to actual needs to implement the solution of this embodiment.

[0145] In addition, each functional module in each embodiment of the present application can be integrated into one processing unit, or each module can exist physically separately, or two or more modules can be integrated into one unit. The above-mentioned module-composed unit can be implemented in the form of hardware or in the form of hardware plus software functional units.

[0146] The above-mentioned integrated module implemented in the form of a software function module can be stored in a computer-readable storage medium. The above-mentioned software function module is stored in a storage medium, including a number of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor to perform some steps of the method described in each embodiment of the present application.

[0147] It should be understood that the processor may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), etc. A general-purpose processor may be a microprocessor or any conventional processor. The steps of the method disclosed in the invention may be directly implemented as being executed by a hardware processor, or may be implemented by a combination of hardware and software modules in the processor.

[0148] The memory may include a high-speed RAM memory, and may also include a non-volatile storage NVM, such as at least one disk memory, and may also be a USB flash drive, a mobile hard disk, a read-only memory, a magnetic disk or an optical disk, etc.

[0149] The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus, etc. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of representation, the bus in the drawings of the present application is not limited to only one bus or one type of bus.

[0150] The above storage medium can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk. The storage medium can be any available medium that can be accessed by a general or special-purpose computer.

[0151] An exemplary storage medium is coupled to a processor so that the processor can read information from the storage medium and write information to the storage medium. Of course, the storage medium can also be a component of the processor. The processor and the storage medium can be located in an application specific integrated circuit (ASIC). Of course, the processor and the storage medium can also exist as discrete components in an electronic device or a main control device.

[0152] Those skilled in the art can understand that all or part of the steps of implementing the above-mentioned method embodiments can be completed by hardware related to program instructions. The aforementioned program can be stored in a computer-readable storage medium. When the program is executed, the steps of the above-mentioned method embodiments are executed; and the aforementioned storage medium includes: ROM, RAM, disk or optical disk and other media that can store program codes.

[0153] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A method for adjusting a solar thermal power plant system, characterized in that: Applicable to servers, including: Collecting all operating parameters of the unit in the solar thermal system; Performing data processing on all operating parameters to obtain the operating status value of the unit; The operating status value is displayed through a display terminal to obtain an operating status interface of the unit; In response to the operator triggering the preset adjustment device according to the operation status interface of the unit, generating one or more corresponding adjustment instructions; The unit is adjusted according to the one or more adjustment instructions to ensure normal operation of the unit.

2. The method according to claim 1, characterized in that The operating status value includes an operating status record value, a historical operating status value, and a performance parameter value; Accordingly, the data processing of all operating parameters to obtain the operating status value of the unit includes: Preprocessing all the operating parameters to obtain preprocessed operating parameters; tabulating and recording the preprocessed operating parameters to obtain operating status record values ​​of the unit; Performing historical data retrieval and storage processing on all the operating parameters to obtain historical operating status values ​​of the unit; Corresponding performance calculation processing is performed on all the operating parameters to obtain the performance parameter value of the unit.

3. The method according to claim 2, characterized in that The operating parameters include one or more of the following: Thermal efficiency of steam generation system, comprehensive thermal efficiency of turbine generator cycle, plant power consumption, main steam temperature, pressure, exhaust pressure, steam temperature, inlet steam pressure, condenser pressure, feed water temperature, excess air and generator electrical pulse.

4. The method according to claim 3, characterized in that The unit unit may be a unit or each device; Accordingly, the corresponding performance calculation processing is performed on all the operating parameters to obtain the performance parameter value of the unit, including: The net heat consumption of the unit is calculated and processed according to the thermal efficiency of the steam generation system, the comprehensive thermal efficiency of the steam turbine generator cycle and the plant power consumption to obtain the net heat consumption rate of the unit; Performing performance calculation processing on the efficiency of the steam turbine to obtain the high-pressure cylinder efficiency, the medium-pressure cylinder efficiency and the low-pressure cylinder efficiency of the steam turbine; Performing performance calculation processing on the efficiency of the feedwater heater to obtain the feedwater heater efficiency; The efficiency of the condenser is calculated and processed according to the condenser cleanliness coefficient to obtain the condenser efficiency; The efficiency of the air preheater, superheater and reheater is respectively calculated to obtain the preheater efficiency, superheater efficiency and reheater efficiency; Calculating a deviation between the thermal efficiency of the unit and the rated thermal efficiency according to the deviation of the steam temperature, the steam inlet pressure, the condenser pressure, the feed water temperature and the excess air; The power generation of the generator is subjected to performance calculation processing according to the generator electrical degree pulse to obtain the power generation of the generator.

5. The method according to claim 2, characterized in that: The operation status interface at least includes a trend display and an alarm display; the adjustment command is a start and / or pause command; the unit unit can be a unit, each equipment group or each equipment, wherein each equipment and related components constitute the corresponding equipment group, and each equipment group constitutes the unit; Correspondingly, the operation status value is displayed through a display terminal to obtain the operation status interface of the unit, including: Displaying the operation status record value, the historical operation status value and the performance parameter value through a display terminal to obtain a trend display and an alarm display corresponding to the unit; Accordingly, in response to the triggering operation of the preset adjustment device by the operator according to the operation status interface of the unit, one or more corresponding adjustment instructions are generated, including: In response to the operator triggering the preset adjustment device according to the trend display and the alarm display in the operation status interface of the unit, generating one or more corresponding start and / or pause instructions; Accordingly, the adjusting the unit according to the one or more adjustment instructions to ensure the normal operation of the unit includes: According to the one or more start and / or pause instructions, corresponding start and / or pause adjustments are performed in the order of the unit, the equipment groups and the equipment to ensure the normal operation of the unit.

6. The method according to claim 5, characterized in that Each device group includes one or more of the following device groups: Electric feed water pump subgroup, condensate water subgroup, condenser vacuum system subgroup, turbine shaft seal system subgroup, high-pressure heater and low-pressure heater subgroup, turbine water ingress prevention subgroup, auxiliary steam system subgroup, auxiliary machine cooling water system subgroup, turbine bypass subgroup, generator-transformer subgroup, air cooling subgroup, plant electronic group, evaporator subgroup, preheater subgroup, superheater and reheater subgroup, hot molten salt pump subgroup, cold molten salt pump subgroup, mixed temperature pump subgroup and salt drainage system subgroup.

7. The method according to any one of claims 1 to 6, characterized in that: Also includes: When the unit is operating normally, continuous control in multiple ways is performed on the running unit to ensure that the operating load of the unit is within a preset load range and that each operating parameter is less than a corresponding preset limit value.

8. The method according to claim 7, characterized in that The multiple control modes include one or more of the following: Automatic power generation control, unit coordination control, steam turbine control, steam generator control, heat storage and exchange system control and automatic regulation subsystem control.

9. A solar thermal unit system adjustment device, characterized in that: Applicable to servers, including: A collection module, used to collect all operating parameters of the unit in the solar thermal system; A processing module, used for performing data processing on all operating parameters to obtain an operating status value of the unit; A display module, used for displaying the operating status value through a display terminal to obtain an operating status interface of the unit; A generating module, configured to generate one or more corresponding adjustment instructions in response to an operator triggering an operation of a preset adjustment device according to an operation status interface of the unit; The regulating module is used to regulate the unit according to the one or more regulating instructions to ensure the normal operation of the unit.

10. A server, characterized in that: include: at least one processor and memory; The memory stores computer-executable instructions; The at least one processor executes the computer-executable instructions stored in the memory, so that the at least one processor executes the method for adjusting the solar thermal power system according to any one of claims 1 to 8.

11. A computer storage medium, characterized in that: The computer storage medium stores computer execution instructions, and when the processor executes the computer execution instructions, the solar thermal power unit system adjustment method according to any one of claims 1 to 8 is implemented.

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