Method for improving output of gas compressor of gas turbine and related equipment

Abstract

The invention provides a method and related equipment for improving the output of a gas turbine compressor, and the method comprises the steps: obtaining the inlet correction flow of the gas turbine compressor to construct a theoretical pressure ratio model of the gas turbine compressor in a non-exhaust state, and determining the surge boundary of the gas turbine compressor through the theoretical pressure ratio model; a plurality of environment temperature intervals are constructed, the air suction amount is adjusted in each environment temperature interval, and the actual pressure ratio of the corresponding gas compressor after air suction is obtained according to the air suction amount; establishing a relation model of the pressure ratio and the output, and obtaining a set output value corresponding to the actual pressure ratio according to the relation model under the condition that the actual pressure ratio is located in the surge boundary; acquiring an actual output value, and comparing the actual output value with a set output value; and under the condition that the increasing amplitude of the actual output value compared with the set output value is larger than or equal to the increasing set value, the air suction rate is used as the optimized air suction rate to replace the set air suction rate. The gas turbine compressor can operate safely, output is improved, and economic benefits are improved.

Description

Technical Field

[0001] The present application relates to the technical field of gas and steam combined cycle units, and more specifically, to a method for increasing the output of a gas turbine compressor and related equipment. Background Art

[0002] Extremely low calorific value fuel refers to a mixture of coke oven gas and blast furnace gas, with a calorific value less than one-tenth that of standard natural gas. To accommodate this fuel, gas turbine compressor manufacturers have modified their combustion and turbine designs. However, the compressor remains standard, with only a surge control device installed at the compressor outlet. By adjusting the compressor outlet flow, the pressure at the compressor outlet remains below the design pressure, keeping it below the surge control limit, thereby ensuring safe operation. However, actual operation has found that when the gas compressor is operating near full load, the surge control margin is excessive, the surge control device pumps excessively, and the compression ratio of the gas turbine compressor is significantly reduced. While this ensures operational safety, it results in a significant drop in unit output, reducing economic efficiency. Due to the characteristics of gas turbine compressors, output is lower at high temperatures than at low temperatures. Increasing gas turbine compressor output is particularly urgent during summer, when temperatures are high and during peak power supply periods.

[0003] Therefore, it is necessary to propose a method for improving the output of a gas turbine compressor and related equipment to at least partially solve the problems existing in the prior art. Summary of the Invention

[0004] The Summary of the Invention introduces a series of simplified concepts that will be further described in the Detailed Description of the Invention. The Summary of the Invention is not intended to limit the key features and essential features of the claimed technical solution, nor is it intended to determine the scope of protection of the claimed technical solution.

[0005] The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

[0006] To this end, a first aspect of the present invention provides a method for increasing the output of a gas turbine compressor.

[0007] A second aspect of the present invention provides a device for increasing the output of a gas turbine compressor.

[0008] A third aspect of the present invention provides an electronic device.

[0009] A fourth aspect of the present invention provides a computer-readable storage medium.

[0010] In view of this, according to a first aspect of an embodiment of the present application, a method for increasing the output of a gas turbine compressor is proposed, comprising:

[0011] Obtain the inlet corrected flow rate of the gas turbine compressor;

[0012] constructing a theoretical pressure ratio model of the gas engine compressor in a non-exhaust state based on the inlet corrected flow rate, and determining a surge boundary of the gas engine compressor using the theoretical pressure ratio model;

[0013] Establishing multiple ambient temperature intervals, adjusting the extraction volume of the gas compressor within each of the ambient temperature intervals, and obtaining the corresponding actual pressure ratio of the gas compressor after extraction based on the extraction volume;

[0014] Establishing a relationship model between pressure ratio and output, and obtaining a set output value corresponding to the actual pressure ratio according to the relationship model when the actual pressure ratio is within the surge boundary;

[0015] Detecting and obtaining an actual output value corresponding to the actual pressure ratio, and comparing the actual output value with the set output value;

[0016] Wherein, when the actual output value is increased by a magnitude greater than or equal to the set value compared to the set output value, the air extraction volume is used as the optimized air extraction volume instead of the set air extraction volume corresponding to the set output value.

[0017] In a feasible implementation manner, the step of obtaining the corrected flow rate at the gas turbine compressor inlet includes:

[0018] Obtaining the inlet temperature, inlet pressure and inlet flow of the gas turbine compressor;

[0019] A reference temperature and a reference pressure are obtained, and a corrected flow rate at an inlet of the gas turbine compressor is determined based on the inlet temperature, the inlet pressure, the reference temperature, and the reference pressure.

[0020] In a feasible embodiment, the step of constructing a theoretical pressure ratio model of the gas engine compressor in a non-exhaust state based on the corrected flow rate at the gas engine compressor inlet, and determining the surge boundary of the gas engine compressor using the theoretical pressure ratio model includes:

[0021] According to the structural test of the gas turbine compressor, the model parameters are obtained;

[0022] Under the condition that the speed of the gas engine compressor is constant, a theoretical pressure ratio model of the gas engine compressor in a non-exhaust state is constructed according to the corrected flow rate at the gas engine compressor inlet and the model parameters;

[0023] When the gas engine compressor is operating at full load, the surge boundary of the gas engine compressor is determined based on the theoretical pressure ratio model.

[0024] In a feasible embodiment, the steps of constructing multiple ambient temperature intervals, adjusting the extraction volume of the gas compressor within each of the ambient temperature intervals, and obtaining the corresponding actual pressure ratio of the gas compressor after extraction based on the extraction volume include:

[0025] Setting the above-mentioned pumping volume reduction step and the above-mentioned pumping volume reduction range;

[0026] In each of the above-mentioned ambient temperature intervals, gradually reducing the above-mentioned extraction volume with the above-mentioned reduction step size to obtain multiple adjusted extraction volumes;

[0027] The actual pressure ratio of the gas compressor after gas extraction corresponding to each of the above-mentioned adjusted gas extraction amounts is detected by a detection device.

[0028] In a feasible implementation manner, the temperature variation range of the above-mentioned ambient temperature range is 3°C to 5°C.

[0029] In a feasible implementation manner, when the actual pressure ratio is within the surge boundary, the step of obtaining the set output value corresponding to the actual pressure ratio according to the relationship model includes:

[0030] Determining a set pressure ratio of the gas turbine compressor after exhaust according to the set exhaust volume in the factory-set execution model of the gas turbine compressor;

[0031] According to the above set pressure ratio and the specific heat ratio of air, a relationship model between the above pressure ratio and output is established;

[0032] Substitute the actual pressure ratio into the relationship model between pressure ratio and output to obtain the set output value corresponding to the actual pressure ratio.

[0033] In a feasible embodiment, the step of determining the set pressure ratio according to the set extraction volume in the factory-set execution model of the gas engine compressor includes:

[0034] According to the theoretical pressure ratio model, obtaining the theoretical pressure ratio of the gas engine compressor in a non-exhaust state;

[0035] The extraction flow rate and the total air flow rate of the gas turbine compressor are obtained, and the set pressure ratio is determined according to the extraction flow rate, the total air flow rate and the theoretical pressure ratio.

[0036] According to a second aspect of an embodiment of the present application, a device for increasing the output of a gas turbine compressor is provided, comprising:

[0037] A first acquisition unit is used to obtain an inlet correction flow rate of a gas turbine compressor;

[0038] a first determining unit, configured to construct a theoretical pressure ratio model of the gas engine compressor in a non-exhaust state according to the inlet corrected flow rate, and determine a surge boundary of the gas engine compressor using the theoretical pressure ratio model;

[0039] a second acquisition unit, configured to establish a plurality of ambient temperature intervals, adjust the extraction volume of the gas compressor within each of the ambient temperature intervals, and acquire the corresponding actual pressure ratio of the gas compressor after extraction based on the extraction volume;

[0040] a third acquiring unit, configured to establish a relationship model between pressure ratio and output, and to acquire a set output value corresponding to the actual pressure ratio according to the relationship model when the actual pressure ratio is within the surge boundary;

[0041] a comparison unit, configured to detect and obtain an actual output value corresponding to the actual pressure ratio, and compare the actual output value with the set output value;

[0042] Wherein, when the actual output value is increased by a magnitude greater than or equal to the set value compared to the set output value, the air extraction volume is used as the optimized air extraction volume instead of the set air extraction volume corresponding to the set output value.

[0043] According to the third aspect of an embodiment of the present application, an electronic device is proposed, comprising: a memory, a processor, and a computer program stored in the above-mentioned memory and executable on the above-mentioned processor, characterized in that the above-mentioned processor is used to implement the steps of any one of the methods for increasing the output of a gas turbine compressor as described in the above-mentioned technical solutions when executing the computer program stored in the memory.

[0044] According to a fourth aspect of an embodiment of the present application, an electronic device is proposed, on which a computer program is stored, characterized in that when the above-mentioned computer program is executed by a processor, a method for improving the output of a gas engine compressor as described in any one of the above-mentioned technical solutions is implemented.

[0045] Compared with the prior art, the present application includes at least the following beneficial effects: by obtaining the inlet corrected flow of the gas turbine compressor; constructing a theoretical pressure ratio model of the gas turbine compressor in an unextracted state according to the above inlet corrected flow, and determining the surge boundary of the gas turbine compressor according to the above theoretical pressure ratio model; by constructing multiple ambient temperature intervals, adjusting the extraction volume of the gas compressor in each of the above ambient temperature intervals, and obtaining the corresponding actual pressure ratio of the gas compressor after extraction according to the above extraction volume; by establishing a relationship model between pressure ratio and output, when the above actual pressure ratio is within the above surge boundary, obtaining the set output value corresponding to the above actual pressure ratio according to the above relationship model; obtaining the actual output value corresponding to the above actual pressure ratio by detection, and comparing the above actual output value with the above set output value; wherein, when the increase in the above actual output value compared to the above set output value is greater than or equal to the increase in the set value, the above extraction volume is used as the optimized extraction volume instead of the set extraction volume corresponding to the above set output value. Thus, operation with optimized extraction volume can ensure that the optimized pressure ratio is within the anti-surge boundary. While the gas turbine compressor operates safely, the output is increased and the economic benefits are improved. Especially during the peak power supply period in summer, the output improvement effect is more obvious.

[0046] The present invention provides a method for improving the output of a gas engine compressor and related equipment. Other advantages, objectives and features of the present invention will be reflected in part through the following description, and will also be understood by technicians in this field through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present description. The same reference symbols are used throughout the drawings to represent the same components. In the drawings:

[0048] Figure 1 A schematic flow chart of a method for increasing the output of a gas engine compressor provided in an embodiment of the present application;

[0049] Figure 2 A schematic structural diagram of a gas engine compressor output device provided in an embodiment of the present application;

[0050] Figure 3 A schematic structural frame of an electronic device provided in an embodiment of the present application; DETAILED DESCRIPTION

[0051] In order to better understand the above technical solution, the technical solution of the embodiment of the present application is described in detail below through the accompanying drawings and specific embodiments. It should be understood that the embodiment of the present application and the specific features in the embodiment are detailed descriptions of the technical solution of the embodiment of the present application, rather than limitations on the technical solution of the present application. In the absence of conflict, the embodiment of the present application and the technical features in the embodiment can be combined with each other.

[0052] The compressor of a gas turbine using extremely low calorific value fuel utilizes a standard compressor. Under the same operating conditions, the fuel flow rate of a gas turbine using extremely low calorific value fuel exceeds by more than ten times that of a standard gas turbine using natural gas. This results in a combustion chamber pressure significantly higher than that of a standard natural gas turbine. Consequently, the pressure at the compressor outlet is higher than that of a standard compressor. As the turbine load increases, the compressor outlet pressure ratio gradually increases, reaching its maximum value at full load. Therefore, to ensure safe operation of the compressor, a certain safety margin is maintained between the compressor's normal operating pressure ratio and the factory-set surge threshold. Specifically, compressor manufacturers install an exhaust device at the compressor outlet to reduce the compressor outlet pressure ratio by varying the exhaust flow rate. Typically, the exhaust flow rate is highest at full turbine load. As the exhaust flow rate decreases, the pressure ratio decreases until it reaches the set minimum value. Since the full-load output and pressure ratio of the gas turbine change with the ambient temperature, the corresponding maximum suction capacity of the exhaust device will also change with the ambient temperature. Since the full-load pressure ratio of the gas turbine in a high-temperature environment is lower than that of the gas turbine in a low-temperature environment, the suction capacity of the exhaust device at full load in a high-temperature environment is less than that of the exhaust device at full load in a low-temperature environment. The exhaust capacity set by the manufacturer results in excessive anti-surge margin of the compressor during actual operation when the gas turbine compressor is running near full load, and the opening of the exhaust device is large, resulting in excessive suction capacity and a significant reduction in the gas turbine pressure ratio. Although safe operation is guaranteed, it causes an excessive drop in unit output and reduces economic benefits.

[0053] In order to solve the above technical problems, Figure 1 As shown, according to a first aspect of an embodiment of the present application, a method for outputting a gas engine compressor is proposed, comprising:

[0054] Step S110: obtaining the inlet corrected flow rate of the gas turbine compressor;

[0055] Step S110 includes step S111 and step S112.

[0056] Among them, step S111: obtain the inlet temperature, inlet pressure and inlet flow of the above-mentioned gas turbine compressor; it can be understood that the inlet temperature of the gas turbine compressor can be obtained through a temperature detection device; the inlet pressure of the gas turbine compressor can be obtained through a pressure detection device; and the inlet flow can be obtained through a flow detection device.

[0057] Step S112: Obtain a reference temperature and a reference pressure, and determine the corrected flow rate at the inlet of the gas turbine compressor based on the inlet temperature, the inlet pressure, the reference temperature, and the reference pressure. It is understood that the reference temperature and the reference pressure can be obtained based on the production setting parameters of the gas turbine compressor, and the corrected flow rate at the inlet of the gas turbine compressor can be determined based on the inlet temperature, the inlet pressure, the reference temperature, and the reference pressure. The specific relationship is as follows:

[0058]

[0059] in, Corrected flow rate at the inlet of the gas turbine compressor; is the inlet flow rate of the gas turbine compressor; T a is the inlet temperature of the gas turbine compressor; P a is the inlet pressure of the gas turbine compressor; T ref is the reference temperature; P ref The reference temperature is usually 15°C, and the reference pressure is usually 1.01325 bar.

[0060] Step S120: constructing a theoretical pressure ratio model of the gas engine compressor in a non-exhaust state according to the inlet corrected flow rate, and determining a surge boundary of the gas engine compressor using the theoretical pressure ratio model;

[0061] Step S120 includes steps S121 to S123.

[0062] Wherein, step S121: obtaining model parameters according to the structural test of the gas turbine compressor;

[0063] Step S122: When the speed of the above-mentioned gas turbine compressor is constant, a theoretical pressure ratio model of the above-mentioned gas turbine compressor in a non-exhaust state is constructed according to the above-mentioned gas turbine compressor inlet corrected flow rate and the above-mentioned model parameters; it can be understood that when the speed of the gas turbine compressor is constant, a theoretical pressure ratio model of the gas turbine compressor in a non-exhaust state can be constructed according to the obtained gas turbine compressor inlet corrected flow rate and model parameters.

[0064] Specifically, the model relationship is as follows:

[0065]

[0066] Among them, a0, a1 and a2 are model parameters; πc0 is the theoretical pressure ratio of the gas turbine compressor in the unextracted state.

[0067] Step S123: When the gas engine compressor is operating at full load, determine the surge boundary of the gas engine compressor based on the theoretical pressure ratio model. It is understood that when the gas engine compressor is operating at full load, a surge boundary model can be established with the corrected inlet flow rate as the abscissa and the theoretical pressure ratio as the ordinate, wherein the pressure ratio below the surge boundary is a safe pressure ratio.

[0068] Step S130: constructing multiple ambient temperature intervals, adjusting the extraction volume of the gas compressor within each of the ambient temperature intervals, and obtaining the corresponding actual pressure ratio of the gas compressor after extraction based on the extraction volume;

[0069] Step S130 includes steps S131 to S133.

[0070] Step S131: setting the air extraction volume reduction step and the air extraction volume reduction range;

[0071] Step S132: gradually reducing the air extraction volume in each of the above-mentioned ambient temperature intervals with the above-mentioned reduction step size to obtain multiple adjusted air extraction volumes;

[0072] Step S133: Detecting the actual pressure ratio of the gas compressor after exhausting gas corresponding to each of the above-mentioned adjusted exhaust volumes through a detection device.

[0073] It is understandable that after determining the temperature variation range of the ambient temperature interval, the reduction step of the extraction volume can be set in each ambient temperature interval, and the reduction step is the minimum reduction unit of the extraction volume, as well as the extraction volume reduction range. Among them, the reduction step and the reduction range can be obtained based on the structural characteristics of the gas turbine compressor and previous test experience. Within the reduction range, the extraction volume is gradually reduced with a reduction step to obtain multiple adjusted extraction volumes. For example, the reduction step is 5%; the reduction range is 5% to 20%, and four adjusted extraction volumes can be obtained, which are reduced by 5%, 10%, 15% and 20% respectively. The gas turbine compressor is operated according to each adjusted extraction volume, and the inlet pressure and outlet pressure of the gas compressor after extraction are detected by detection equipment to obtain the actual pressure ratio after extraction. By gradually reducing the extraction volume, the opening of the extraction device can be reduced, and the gas turbine pressure ratio is reduced to increase the output.

[0074] In some examples, the temperature variation range of the above-mentioned ambient temperature range is 3°C to 5°C.

[0075] It can be understood that setting the temperature variation range of the ambient temperature interval to 3°C to 5°C is more suitable for the seasonal temperature variation characteristics of the operating temperature environment of the gas turbine compressor, and improves the accuracy of the simulated temperature impact.

[0076] Step S140: establishing a relationship model between pressure ratio and output, and obtaining a set output value corresponding to the actual pressure ratio according to the relationship model when the actual pressure ratio is within the surge boundary;

[0077] Step S140 includes steps S141 to S143.

[0078] Step S141: determining a set pressure ratio of the gas turbine compressor after exhaust according to the set exhaust volume in the factory-set execution model of the gas turbine compressor;

[0079] It is understood that the factory-set execution model for the gas turbine compressor includes a set extraction volume to ensure that the gas turbine compressor extracts air at the set extraction volume, thereby reducing the pressure ratio during normal operation and maintaining a certain safety margin between the normal operating pressure ratio of the gas turbine compressor and the factory-set surge limit. The set pressure ratio corresponding to the extraction volume can be determined based on the set extraction volume.

[0080] Step S141 includes step S1411 and step S1412.

[0081] Step S1411: obtaining the theoretical pressure ratio of the gas engine compressor in a non-exhaust state according to the theoretical pressure ratio model;

[0082] Step S1412: Obtain the extraction flow rate and the total air flow rate of the above-mentioned gas turbine compressor, and determine the above-mentioned set pressure ratio based on the above-mentioned extraction flow rate, the above-mentioned total air flow rate and the above-mentioned theoretical pressure ratio.

[0083] It can be understood that the expression for setting the pressure ratio is:

[0084]

[0085] It is understandable that π c is the set pressure ratio of the gas turbine compressor; is the air extraction flow rate; is the total air flow of the gas turbine compressor; k is a related constant set according to the characteristics of the gas turbine compressor, ranging from 0.5 to 1.0.

[0086] Step S142: establishing a relationship model between the pressure ratio and output according to the set pressure ratio and the specific heat ratio of air;

[0087] It can be understood that the relationship model expression between pressure ratio and output is as follows:

[0088]

[0089] Among them, P is the output of the gas turbine compressor, π is the pressure ratio, and γ is the specific heat ratio.

[0090] Step S143: Substitute the actual pressure ratio into the relationship model between the pressure ratio and the output to obtain a set output value corresponding to the actual pressure ratio.

[0091] It's understandable that the actual pressure ratio can be substituted into the relationship model between pressure ratio and output to obtain the set output value corresponding to the actual pressure ratio. This is the set output value within the anti-surge margin achieved by the gas turbine compressor after pumping air at the set extraction rate in the manufacturer's execution model. Operating at the set pressure value results in an excessively large anti-surge margin for the gas turbine compressor.

[0092] Step S150: Detecting and obtaining an actual output value corresponding to the actual pressure ratio, and comparing the actual output value with the set output value;

[0093] Wherein, when the actual output value is increased by a magnitude greater than or equal to the set value compared to the set output value, the air extraction volume is used as the optimized air extraction volume instead of the set air extraction volume corresponding to the set output value.

[0094] It is understandable that when the gas turbine compressor is running at the actual pressure ratio, the actual output value corresponding to the actual pressure ratio can be obtained by detecting the detection equipment. Compare the actual output value with the set output value. When the increase in the actual output value compared to the set output value is greater than or equal to the increase in the set value and the actual pressure ratio corresponding to the exhaust volume is within the anti-surge boundary, the exhaust volume can be used as the optimized exhaust volume and input into the execution module of the gas turbine compressor to replace the exhaust volume corresponding to the set output value. In this way, in the future, within the temperature change range corresponding to the ambient temperature, the operation can be carried out with the optimized exhaust volume, so as to ensure that the optimized pressure ratio is within the anti-surge boundary, the gas turbine compressor operates safely, and the output is increased, and the economic benefits are improved. Especially during the peak power supply period in summer, the output improvement effect is more obvious.

[0095] For example, a gas turbine unit using extremely low calorific value fuel is operated at an ambient temperature of 34°C, with the IGV (Inlet guide vanes) fully open and a load of 75MW. By using the above method to increase the gas turbine compressor output, the gas turbine compressor output is increased to 3MW to 5MW, with a significant output improvement effect.

[0096] like Figure 2 As shown, according to the second aspect of the embodiment of the present application, a device for increasing the output of a gas turbine compressor is provided, comprising:

[0097] The first acquisition unit 21 is used to obtain the inlet correction flow of the gas turbine compressor;

[0098] a first determining unit 22 for constructing a theoretical pressure ratio model of the gas engine compressor in a non-exhaust state according to the inlet corrected flow rate, and determining a surge boundary of the gas engine compressor using the theoretical pressure ratio model;

[0099] The second acquisition unit 23 is used to establish a plurality of ambient temperature intervals, and in each of the ambient temperature intervals, adjust the extraction volume of the gas compressor, and obtain the corresponding actual pressure ratio of the gas compressor after extraction according to the extraction volume;

[0100] The third acquisition unit 24 is configured to establish a relationship model between the pressure ratio and the output, and when the actual pressure ratio is within the surge boundary, acquire the set output value corresponding to the actual pressure ratio according to the relationship model;

[0101] A comparison unit 25 is configured to detect and obtain an actual output value corresponding to the actual pressure ratio, and compare the actual output value with the set output value;

[0102] Wherein, when the actual output value is increased by a magnitude greater than or equal to the set value compared to the set output value, the air extraction volume is used as the optimized air extraction volume instead of the set air extraction volume corresponding to the set output value.

[0103] It can be understood that the first acquisition unit 21 acquires the inlet correction flow of the gas turbine compressor; the first determination unit 22 constructs a theoretical pressure ratio model of the gas turbine compressor in an unextracted state based on the inlet correction flow, and determines the surge boundary of the gas turbine compressor based on the theoretical pressure ratio model; the second acquisition unit 23 constructs multiple ambient temperature intervals, and within each of the ambient temperature intervals, adjusts the extraction volume of the gas compressor, and obtains the corresponding actual pressure ratio of the gas compressor after extraction based on the extraction volume; the third acquisition unit 24 establishes a relationship model between pressure ratio and output, and when the actual pressure ratio is within the surge boundary, obtains the set output value corresponding to the actual pressure ratio based on the relationship model; the comparison unit 25 detects and obtains the actual output value corresponding to the actual pressure ratio, and compares the actual output value with the set output value. In the case where the actual output value is increased by a greater than or equal to the set value compared to the set output value, the extraction volume is used as the optimized extraction volume instead of the set extraction volume corresponding to the set output value.

[0104] like Figure 3 As shown, an embodiment of the present application also provides an electronic device 300, including a memory 310, a processor 320, and a computer program 311 stored in the memory 320 and executable on the processor. When the processor 320 executes the computer program 311, the steps of the method for increasing the output of a gas turbine compressor as described in any one of the above technical solutions are implemented.

[0105] Since the electronic device introduced in this embodiment is a device used to implement a device for improving the compressor output of a gas engine in an embodiment of the present application, based on the method introduced in the embodiment of the present application, technical personnel in this field can understand the specific implementation methods of the electronic device of this embodiment and its various variations. Therefore, how the electronic device implements the method in the embodiment of the present application will not be introduced in detail here. As long as the equipment used by technical personnel in this field to implement the method in the embodiment of the present application falls within the scope of protection of this application.

[0106] In the specific implementation process, the computer program 311 can be implemented when executed by the processor Figure 1 Any implementation manner in the corresponding embodiments.

[0107] It should be noted that, in the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant description of other embodiments.

[0108] Those skilled in the art will appreciate that the embodiments of the present application can be provided as methods, systems, or computer program products. Therefore, the present application can adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application can adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to magnetic disk storage, CD-ROM, optical storage, etc.) that contain computer-usable program code.

[0109] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded computer, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 a process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0110] These computer program instructions may also be stored in a computer readable memory that can direct a computer or other programmable data processing device to work in a specific manner, so that the instructions stored in the computer readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 a process or multiple processes and / or boxes Figure 1 The function specified in one or more boxes.

[0111] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing the instructions executed on the computer or other programmable device for implementing the process. Figure 1 a process or multiple processes and / or boxes Figure 1 A step that specifies a function in one or more boxes.

[0112] The present application also provides a computer program product, which includes computer software instructions. When the computer software instructions are executed on a processing device, the processing device is caused to execute the following Figure 1 The process of the method for increasing the output of the gas turbine compressor in the corresponding embodiment.

[0113] A computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, a process or function according to an embodiment of the present application is generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. Computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via a wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) method. A computer-readable storage medium may be any available medium that a computer can store or a data storage device such as a server or data center that includes one or more available media integrations. Available media may be magnetic media (e.g., floppy disk, hard disk, tape), optical media (e.g., DVD), or semiconductor media (e.g., solid-state disk (SSD)), etc.

[0114] Those skilled in the art will clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0115] In the several embodiments provided in this application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are merely schematic. For example, the division of units is only a logical function division. In actual implementation, there may be other division methods, such as multiple units or components 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 interface, device or unit, which can be electrical, mechanical or other forms.

[0116] Units described as separate components may or may not be physically separate, and components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0117] In addition, the functional units in the various embodiments of the present application may be integrated into a single processing unit, or each unit may exist physically separately, or two or more units may be integrated into a single unit. The aforementioned integrated units may be implemented in the form of hardware or software functional units.

[0118] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) to execute all or part of the steps of the various embodiments of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0119] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. 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 make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A method for increasing the output of a gas turbine compressor, characterized in that: include: Obtain the inlet corrected flow rate of the gas turbine compressor; constructing a theoretical pressure ratio model of the gas engine compressor in a non-exhaust state according to the inlet corrected flow rate, and determining a surge boundary of the gas engine compressor through the theoretical pressure ratio model; Constructing multiple ambient temperature intervals, adjusting the extraction volume of the gas compressor within each ambient temperature interval, and obtaining the corresponding actual pressure ratio of the gas compressor after extraction according to the extraction volume; Establishing a relationship model between pressure ratio and output, and obtaining a set output value corresponding to the actual pressure ratio according to the relationship model when the actual pressure ratio is within the surge boundary; Detecting and obtaining an actual output value corresponding to the actual pressure ratio, and comparing the actual output value with the set output value; Wherein, when the actual output value is increased by a magnitude greater than or equal to the set value compared to the set output value, the pumping volume is used as the optimized pumping volume instead of the set pumping volume corresponding to the set output value.

2. The method for increasing the output of a gas turbine compressor according to claim 1, characterized in that: The step of obtaining the corrected flow rate at the gas turbine compressor inlet comprises: Obtaining the inlet temperature, inlet pressure and inlet flow of the gas turbine compressor; A reference temperature and a reference pressure are obtained, and a corrected flow rate at an inlet of the gas turbine compressor is determined according to the inlet temperature, the inlet pressure, the reference temperature, and the reference pressure.

3. The method for increasing the output of a gas turbine compressor according to claim 2, characterized in that: The step of constructing a theoretical pressure ratio model of the gas engine compressor in a non-exhaust state based on the corrected flow rate at the gas engine compressor inlet, and determining the surge boundary of the gas engine compressor by using the theoretical pressure ratio model comprises: Obtaining model parameters based on a structural test of the gas turbine compressor; Under the condition that the speed of the gas engine compressor is constant, constructing a theoretical pressure ratio model of the gas engine compressor in a non-exhaust state according to the corrected flow rate at the gas engine compressor inlet and the model parameters; When the gas engine compressor is operating at full load, the surge boundary of the gas engine compressor is determined according to the theoretical pressure ratio model.

4. The method for increasing the output of a gas turbine compressor according to claim 2, characterized in that: The steps of constructing a plurality of ambient temperature intervals, adjusting the extraction volume of the gas compressor within each of the ambient temperature intervals, and obtaining the corresponding actual pressure ratio of the gas compressor after extraction according to the extraction volume include: Setting the air extraction volume reduction step size and the air extraction volume reduction range; In each of the ambient temperature intervals, gradually reducing the air extraction volume with the reduction step size to obtain a plurality of adjusted air extraction volumes; The actual pressure ratio of the gas compressor after gas extraction corresponding to each adjusted extraction amount is detected by a detection device.

5. The method for increasing the output of a gas turbine compressor according to claim 5, characterized in that: The temperature variation range of the ambient temperature interval is 3°C to 5°C.

6. The method for increasing the output of a gas turbine compressor according to claim 5, characterized in that: The step of establishing a relationship model between pressure ratio and output, and obtaining a set output value corresponding to the actual pressure ratio according to the relationship model when the actual pressure ratio is within the surge boundary, comprises: Determining a set pressure ratio of the gas engine compressor after exhaust according to the set exhaust volume in the factory-set execution model of the gas engine compressor; Establishing a relationship model between the pressure ratio and the output according to the set pressure ratio and the specific heat ratio of air; The actual pressure ratio is substituted into the relationship model between the pressure ratio and the output to obtain a set output value corresponding to the actual pressure ratio.

7. The method for increasing the output of a gas turbine compressor according to claim 6, characterized in that: The step of determining the set pressure ratio according to the set extraction volume in the factory-set execution model of the gas engine compressor comprises: According to the theoretical pressure ratio model, obtaining the theoretical pressure ratio of the gas engine compressor in a non-exhaust state; The extraction flow rate and the total air flow rate of the gas engine compressor are obtained, and the set pressure ratio is determined according to the extraction flow rate, the total air flow rate and the theoretical pressure ratio.

8. A device for increasing the output of a combustion engine, characterized in that: include: A first acquisition unit is used to obtain an inlet correction flow rate of a gas turbine compressor; a first determining unit, configured to construct a theoretical pressure ratio model of the gas engine compressor in a non-exhaust state according to the inlet corrected flow rate, and determine a surge boundary of the gas engine compressor by using the theoretical pressure ratio model; A second acquisition unit is configured to establish a plurality of ambient temperature intervals, adjust the extraction volume of the gas compressor within each of the ambient temperature intervals, and acquire the corresponding actual pressure ratio of the gas compressor after extraction according to the extraction volume; a third acquiring unit, configured to establish a relationship model between pressure ratio and output, and acquire a set output value corresponding to the actual pressure ratio according to the relationship model when the actual pressure ratio is within the surge boundary; A comparison unit, configured to detect and obtain an actual output value corresponding to the actual pressure ratio, and compare the actual output value with the set output value; Wherein, when the actual output value is increased by a magnitude greater than or equal to the set value compared to the set output value, the pumping volume is used as the optimized pumping volume instead of the set pumping volume corresponding to the set output value.

9. An electronic device comprising: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor is configured to implement the steps of any one of claims 1 to 7 of the method for increasing the output of a gas engine compressor when executing the computer program stored in the memory.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, a method for increasing the output of a gas engine compressor according to any one of claims 1 to 7 is implemented.

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