Distributed gas-powered energy supply system and method

Abstract

The application discloses a kind of based on distributed gas energy supply system and method, it is related to gas energy supply control technical field.The based on distributed gas energy supply system, comprising: gas supply adjustment judgment module, gas supply continuation adjustment module and supply detection optimization adjustment module.The application is based on whether gas supply demand analysis result judges whether gas supply pressure adjustment instruction is sent, if gas supply pressure adjustment instruction is not sent, then enable standby gas source supply, otherwise, it is judged whether gas supply pressure continuation adjustment instruction is sent, and after gas supply pressure continuation adjustment is executed, the gas supply quality of gas equipment is detected, finally whether gas supply optimization adjustment instruction is sent, the improvement of gas supply quality in industrial gas energy supply process is realized, the problem that gas supply quality is not high in industrial gas energy supply process due to gas supply pressure fluctuation in prior art is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of gas energy supply control, and in particular to a distributed gas energy supply system and method. BACKGROUND

[0002] Industrial gas supply is one of the indispensable energy sources in modern industrial production, especially for industries that require high-temperature and high-efficiency production such as chemical industry, metallurgy, glass, and ceramics. As a clean energy source, gas can continuously provide power and heat, and its stability, reliability, and quality directly affect production efficiency, equipment life, and environmental friendliness. With the advancement of industrialization, the demand for gas in industry is increasing, especially in high-energy-consuming industries. How to improve the utilization efficiency of gas and reduce energy waste is an important problem in the current industrial gas supply system. Modern industry requires efficient gas supply to address quality and utilization efficiency issues. With the transformation of global energy structure, the stability, quality, and sustainability of industrial gas supply will increasingly become important factors in promoting economic development, achieving environmental protection goals, and social stability.

[0003] Existing industrial gas energy supply requires precise coordination of various aspects such as gas source control, pressure regulation, gas transportation, combustion process management, and emission monitoring. Before entering industrial gas equipment, gas usually needs to be pressure-regulated. High-pressure gas is reduced to a suitable pressure for industrial production equipment through pressure-reducing equipment, including pressure-regulating stations, pressure-regulating valves, pressure gauges, etc. The adjusted gas can enter different production lines according to different needs. At the same time, the pressure-regulated gas is transported to various industrial equipment through a special gas pipeline system, including main pipelines, branch pipelines, and terminal connection pipelines, ensuring that gas reaches each production area stably. Through reasonable acquisition, transportation, distribution, combustion control, and safety management, gas can be efficiently and safely supplied to the production process.

[0004] For example, the patent application with publication number CN112068503A discloses an internet-based gas distributed energy multi-machine remote intelligent control system, which includes a remote control and centralized control module, a first gas distributed energy station management system, and a second gas distributed energy station management system. It realizes remote centralized monitoring and control of one or two gas distributed energy sources, automatic optimization and variable operating conditions of gas distributed energy sources, including automatic grid connection, off-grid, black start, and different energy station switching operation; it also realizes data interaction and horizontal automatic control between two gas distributed energy stations.

[0005] For example, the invention patent announcement No. CN105676819B: a kind of multi-element energy optimization configuration system and its optimization operation method, including: energy supply module, energy conversion network and load demand module, energy supply module includes multiple energy supply types, energy conversion network includes multiple conversion equipment, multiple conversion equipment converts multiple energy supply types into corresponding multiple loads, from the angle of distributed energy supply and optimization energy consumption, through energy supply module, energy conversion network and load demand module, in combination with the coordinated optimization control of each energy supply equipment, provide full set of energy load demand such as electricity, cold, heat, hot water etc. For large public building group.

[0006] But in the process of implementing the technical scheme of the embodiments of the present application, it is found that the above-mentioned technology at least has the following technical problems:

[0007] Industrial gas demand is quite different from ordinary users, especially for some high-precision industrial processes (such as chemical industry, glass manufacturing, metallurgy, etc.), the quality of gas directly affects the stability of the production process and the quality of the product. For example, if the gas source is mixed with moisture, sulfide, carbon dioxide and other impurities, moisture and sulfide will accelerate the corrosion of gas equipment (such as burner, valve, pipeline), and carbon deposition will affect the combustion efficiency and temperature distribution, leading to incomplete combustion, which will directly affect the operation of gas equipment.

[0008] In the prior art, for the industrial gas energy supply process, if the pressure of the gas source end or the gas pipeline is unstable, it may cause the fluctuation of gas supply, and the pressure fluctuation will directly affect the flow and combustion efficiency of the gas, especially during the peak period of gas use or due to unreasonable layout of gas pipeline network, the sharp fluctuation of pressure will affect the equipment, for example, in gas heating, boiler and other equipment, low pressure may not maintain stable combustion, leading to incomplete combustion, waste gas, low heat efficiency and other problems, there is a problem that the quality of gas supply is not high in the industrial gas energy supply process due to the fluctuation of gas supply pressure. SUMMARY

[0009] The embodiments of the present application provide a kind of gas energy supply system and method based on distribution, solve the problem that the quality of gas supply is not high in the industrial gas energy supply process due to the fluctuation of gas supply pressure in the prior art, realize the improvement of the quality of gas supply in the industrial gas energy supply process.

[0010] The embodiment of the application provides a kind of based on distributed gas energy supply system, comprising: gas supply adjustment judgment module, gas supply continuation adjustment module and supply detection optimization adjustment module;Gas supply adjustment judgment module is used to judge whether the gas supply pressure adjustment instruction is sent to energy supply equipment based on the gas supply demand analysis result of the gas equipment in the preset industrial area, if the gas supply pressure adjustment instruction is not sent to energy supply equipment, then enable backup gas source supply;Gas supply continuation adjustment module is used to if the gas supply pressure adjustment instruction is sent to energy supply equipment, then the fluctuation degree of gas supply pressure is monitored after executing gas supply pressure adjustment, judge whether the gas supply pressure continuation adjustment instruction is sent to energy supply equipment, if the gas supply pressure continuation adjustment instruction is sent to energy supply equipment, then execute gas supply pressure continuation adjustment, otherwise, send the gas supply pressure continuation adjustment instruction of suspension to energy supply equipment, and gas supply pressure continuation adjustment includes gas supply pressure secondary adjustment and gas supply flow synchronous adjustment;Supply detection optimization adjustment module is used to detect the gas supply quality of gas equipment after executing gas supply pressure continuation adjustment, obtain gas supply quality detection result, judge whether the gas supply optimization adjustment instruction is sent to energy supply equipment based on gas supply quality detection result, if the gas supply optimization adjustment instruction is sent to energy supply equipment, then execute gas supply optimization adjustment, otherwise, send the gas supply quality detection result continuous monitoring instruction to energy supply equipment, and gas supply optimization adjustment is used to adjust gas supply pressure and flow to improve gas supply quality in combination with gas supply quality detection result.

[0011] Further, it is judged whether the gas supply pressure adjustment instruction is sent to energy supply equipment based on the gas supply demand analysis result of the gas equipment in the preset industrial area, and the specific steps are as follows: obtain the supply demand analysis data of the gas equipment in the preset industrial area, and the supply demand analysis data includes gas supply data and gas consumption demand data;According to the preset supply-demand deviation allowable range obtained from the preset database, it is judged whether the obtained supply-demand deviation degree is within the preset supply-demand deviation allowable range;If the supply-demand deviation degree is within the preset supply-demand deviation allowable range, the gas supply pressure adjustment instruction is sent to energy supply equipment and gas supply pressure adjustment is executed;If the supply-demand deviation degree is not within the preset supply-demand deviation allowable range, the gas supply pressure adjustment instruction is not sent to energy supply equipment and backup gas source supply is enabled, and the supply-demand deviation degree represents the deviation degree of supply-demand deviation and supply-demand deviation threshold.

[0012] Further, the specific steps of executing the gas supply pressure adjustment are as follows: inputting the obtained supply-demand deviation into a supply adjustment strength mapping set in the preset database to obtain an initial supply pressure adjustment strength, the supply adjustment strength mapping set representing a mapping relationship between the supply-demand deviation and the initial supply pressure adjustment strength; inputting the initial supply pressure adjustment strength into a PID controller of the energy supply device, and adjusting the valve opening degree of the pressure adjustment valve through the programmable logic controller of the energy supply device to adjust the gas supply pressure.

[0013] Further, the fluctuation degree of the gas supply pressure is monitored after the gas supply pressure adjustment is executed, and the specific steps are as follows: obtaining fluctuation evaluation quantitative data in a preset pressure fluctuation monitoring time period after the gas supply pressure adjustment is executed, the fluctuation evaluation quantitative data including the supply gas flow rate, the supply pressure monitoring value, the pressure monitoring average value, and the pressure monitoring maximum value; performing fluctuation interaction processing on the supply pressure monitoring value and the pressure monitoring average value difference analysis result by averaging the supply gas flow rate difference degree, and then correcting the fluctuation interaction processing in combination with a supply environment interference factor obtained from the preset database to obtain a fluctuation analysis index, the fluctuation interaction processing being used to describe the interaction between the supply gas flow rate average difference degree and the supply pressure monitoring value difference analysis result; performing peak value analysis on the pressure monitoring maximum value and the pressure monitoring average value to obtain a peak value analysis index; and performing coupling processing on the fluctuation analysis index, the peak value analysis index, and a corresponding evaluation compensation amount after performing weighting operation to obtain a gas supply pressure fluctuation index, the evaluation compensation amount including a fluctuation evaluation compensation amount and a peak value evaluation compensation amount; the gas supply pressure fluctuation index is used to quantitatively evaluate the fluctuation degree of the gas supply pressure; and the gas supply pressure fluctuation index represents quantitative data of the fluctuation analysis index and the peak value analysis index jointly evaluating the fluctuation degree of the gas supply pressure.

[0014] Further, it is determined whether to send a gas supply pressure re-adjustment instruction to the energy supply device, and the specific process is as follows: in combination with a preset pressure fluctuation allowable range obtained from the preset database, it is determined whether the obtained gas supply pressure fluctuation index is within the preset pressure fluctuation allowable range; if the gas supply pressure fluctuation index is within the preset pressure fluctuation allowable range, the gas supply pressure re-adjustment instruction is sent to the energy supply device, and the gas supply pressure re-adjustment is executed; and if the gas supply pressure fluctuation index is not within the preset pressure fluctuation allowable range, the gas supply pressure re-adjustment instruction is not sent to the energy supply device, and a gas supply pressure re-adjustment suspension instruction is sent to the energy supply device.

[0015] Further, the gas supply pressure secondary regulation means that the supply pressure regulation strength is input into the PID controller of the energy supply device, and the valve opening of the pressure regulating valve is adjusted by the programmable logic controller of the energy supply device to regulate the gas supply pressure; the gas supply flow synchronous regulation means that the supply flow regulation strength is input into the PID controller of the energy supply device, and the valve opening of the flow regulating valve is adjusted by the programmable logic controller of the energy supply device to regulate the gas supply flow; the supply pressure regulation strength is the result of mapping the gas supply pressure fluctuation index and the deviation of the supply pressure fluctuation threshold value, and the supply and demand deviation together into the supply regulation strength mapping set in the preset database, and the supply regulation strength mapping set represents the mapping relationship between the gas supply pressure fluctuation index, the deviation of the supply pressure fluctuation threshold value, the supply and demand deviation, and the supply pressure regulation strength; the supply flow regulation strength is the result of mapping the supply pressure regulation strength and the supply and demand deviation together into the supply flow regulation strength mapping set in the preset database, and the supply flow regulation strength mapping set represents the mapping relationship between the supply pressure regulation strength and the supply and demand deviation and the supply flow regulation strength.

[0016] Further, the gas supply quality of the gas equipment is detected, and the specific steps are as follows: obtaining quality detection quantitative data in a preset gas quality detection time period, the quality detection quantitative data including gas calorific value, gas water content, gas temperature, and gas supply pressure fluctuation index; performing weighting operation and coupling processing on the gas calorific value difference degree, the gas water content difference degree, the gas temperature difference degree, and the corresponding detection compensation amount to obtain a gas index compliance value, the detection compensation amount including a calorific value detection compensation amount, a water content detection compensation amount, and a temperature detection compensation amount; performing quality detection interaction processing on the gas supply pressure fluctuation index difference degree analysis result and the gas index compliance value to obtain a gas supply quality detection score, the quality detection interaction processing being used to describe the interaction between the gas supply pressure fluctuation index difference degree analysis result and the gas index compliance value; the gas supply quality detection score is used to quantitatively detect the gas supply quality of the gas equipment; and the gas supply quality detection score represents the quantitative data of the gas supply quality detection of the gas equipment by the gas supply pressure fluctuation index and the gas index compliance value.

[0017] Further, the specific process of obtaining the gas supply quality detection result is: judging whether the obtained gas supply quality detection score is within the preset supply quality detection threshold range obtained from the preset database; if the gas supply quality detection score is within the preset supply quality detection threshold range, recording the gas supply quality detection result as gas supply quality detection qualified, sending a gas supply quality detection result continuous monitoring instruction to the energy supply equipment, and continuously monitoring whether the gas supply quality detection score is within the preset supply quality detection threshold range; if the gas supply quality detection score is not within the preset supply quality detection threshold range, recording the gas supply quality detection result as gas supply quality detection unqualified, sending a gas supply optimization adjustment instruction to the energy supply equipment, and performing gas supply optimization adjustment; the gas supply quality detection result includes gas supply quality detection qualified and gas supply quality detection unqualified.

[0018] Further, the gas supply optimization adjustment includes gas supply pressure optimization adjustment and gas supply flow synchronization optimization adjustment; the gas supply pressure optimization adjustment means that the supply pressure optimization effort is input into the PID controller of the energy supply equipment, and the valve opening degree of the pressure adjustment valve is adjusted by the programmable logic controller of the energy supply equipment to adjust the gas supply pressure; the gas supply flow synchronization optimization adjustment means that the supply flow optimization effort is input into the PID controller of the energy supply equipment, and the valve opening degree of the flow adjustment valve is adjusted by the programmable logic controller of the energy supply equipment to adjust the gas supply flow; the supply pressure optimization effort means that the gas supply quality detection score and the supply quality detection threshold deviation, the gas supply pressure fluctuation index and the supply pressure fluctuation threshold deviation are jointly input into the supply optimization adjustment effort mapping set in the preset database to obtain the mapping result, and the supply optimization adjustment effort mapping set represents the mapping relationship between the gas supply quality detection score, the supply quality detection threshold deviation, the gas supply pressure fluctuation index, the supply pressure fluctuation threshold deviation and the supply pressure optimization effort; the supply flow optimization effort means that the supply pressure optimization effort and the supply-demand deviation are jointly input into the supply flow optimization adjustment effort mapping set in the preset database to obtain the mapping result, and the supply flow optimization adjustment effort mapping set represents the mapping relationship between the supply pressure optimization effort, the supply-demand deviation and the supply flow optimization effort.

[0019] The embodiment of the present application provides a kind of based on distributed gas energy supply method, comprising the following steps: based on the gas supply demand analysis result of the gas equipment in preset industrial area judges whether to send gas supply pressure adjustment instruction to energy supply equipment, if not send gas supply pressure adjustment instruction to energy supply equipment, then enable backup gas source supply;If gas supply pressure adjustment instruction is sent to energy supply equipment, then after executing gas supply pressure adjustment, the fluctuation degree of gas supply pressure is monitored, judges whether to send gas supply pressure secondary adjustment instruction to energy supply equipment, if gas supply pressure secondary adjustment instruction is sent to energy supply equipment, then execute gas supply pressure secondary adjustment, otherwise, send the gas supply pressure secondary adjustment instruction of suspending to energy supply equipment, gas supply pressure secondary adjustment includes gas supply pressure secondary adjustment and gas supply flow synchronous adjustment;After executing gas supply pressure secondary adjustment, the gas supply quality of gas equipment is detected, obtains gas supply quality detection result, based on gas supply quality detection result judges whether to send gas supply optimization adjustment instruction to energy supply equipment, if gas supply optimization adjustment instruction is sent to energy supply equipment, then execute gas supply optimization adjustment, otherwise, send gas supply quality detection result continuous monitoring instruction to energy supply equipment, gas supply optimization adjustment is used to adjust gas supply pressure and flow to improve gas supply quality in combination with gas supply quality detection result.

[0020] One or more technical solutions provided in the embodiment of the present application have at least the following technical effects or advantages:

[0021] 1, by gas supply demand analysis result judges whether to send gas supply pressure adjustment instruction, if not send gas supply pressure adjustment instruction, then enable backup gas source supply, otherwise, judges whether to execute gas supply pressure secondary adjustment instruction sending, and after executing gas supply pressure secondary adjustment, the gas supply quality of gas equipment is detected, finally judges whether to send gas supply optimization adjustment instruction, so as to realize the correlation analysis and adjustment of gas supply pressure fluctuation and gas supply quality, and then realize the improvement of gas supply quality in industrial gas energy supply process, effectively solve the problem that gas supply quality is not high in industrial gas energy supply process due to gas supply pressure fluctuation in prior art.

[0022] 2, by the supply adjustment intensity mapping set in the preset database is mapped to the supply-demand deviation obtained, to obtain initial supply pressure adjustment intensity, then initial supply pressure adjustment intensity is input to the PID controller of energy supply equipment, and the valve opening of pressure regulating valve is adjusted by programmable logic controller of energy supply equipment to adjust gas supply pressure, so as to realize the adjustment of gas industry pressure in industrial gas energy supply process, and then realize the improvement of gas supply pressure adjustment stability in industrial gas energy supply process.

[0023] 3, whether the obtained gas supply quality detection score is within the preset supply quality detection threshold range obtained from the preset database, and whether to send a gas supply optimization adjustment instruction to the energy supply device based on the gas supply quality detection result, if the gas supply optimization adjustment instruction is sent to the energy supply device, the gas supply optimization adjustment is executed, otherwise, the gas supply quality detection result continuous monitoring instruction is sent to the energy supply device, thereby realizing the judgment of the gas supply quality of the gas equipment and the optimization adjustment of the gas supply, and further realizing the more accurate judgment of the gas supply quality analysis in the industrial gas energy supply process and the improvement of the gas supply stability. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A structural schematic diagram of a distributed gas energy supply system provided by an embodiment of the present application;

[0025] Figure 2 A gas supply adjustment judgment module logic diagram of a distributed gas energy supply system provided by an embodiment of the present application;

[0026] Figure 3 A gas supply continuous adjustment module logic diagram of a distributed gas energy supply system provided by an embodiment of the present application;

[0027] Figure 4 A supply detection optimization adjustment module logic diagram of a distributed gas energy supply system provided by an embodiment of the present application;

[0028] Figure 5 A flowchart of a distributed gas energy supply method provided by an embodiment of the present application. DETAILED DESCRIPTION

[0029] This application provides a distributed gas supply system and method, solving the problem of poor gas supply quality in industrial gas supply processes caused by fluctuations in gas supply pressure. The system determines whether to send a gas supply pressure adjustment command to the supplying equipment based on the gas supply demand analysis results of gas equipment within a preset industrial area. If no gas supply pressure adjustment command is sent, a backup gas source is activated. If a gas supply pressure adjustment command is sent, the fluctuation of the gas supply pressure is monitored after the adjustment, and it is determined whether to send a further gas supply pressure adjustment command to the supplying equipment. If a gas supply pressure adjustment command is sent to the energy supply equipment, the gas supply pressure adjustment is executed; otherwise, a command to pause the gas supply pressure adjustment is sent to the energy supply equipment. After the gas supply pressure adjustment is executed, the gas supply quality of the gas equipment is detected to obtain the gas supply quality detection results. Finally, based on the gas supply quality detection results, it is determined whether to send a gas supply optimization adjustment command to the energy supply equipment. If a gas supply optimization adjustment command is sent to the energy supply equipment, the gas supply optimization adjustment is executed; otherwise, a command to continuously monitor the gas supply quality detection results is sent to the energy supply equipment, thereby improving the gas supply quality during industrial gas supply.

[0030] The technical solution in this application embodiment aims to address the problem of poor gas supply quality during industrial gas energy supply caused by fluctuations in gas supply pressure. The overall approach is as follows:

[0031] The gas supply demand analysis results determine whether to send a gas supply pressure regulation command. If no gas supply pressure regulation command is sent, the backup gas source is activated. Otherwise, it determines whether to send a gas supply pressure adjustment command. After the gas supply pressure adjustment is executed, the gas supply quality of the gas equipment is tested. Finally, it determines whether to send a gas supply optimization regulation command, thereby improving the gas supply quality in the process of industrial gas energy supply.

[0032] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0033] like Figure 1 The diagram shown is a structural schematic of a distributed gas energy supply system provided in an embodiment of this application. The distributed gas energy supply system provided in this application includes: a gas supply regulation and judgment module, a gas supply continuity regulation module, and a supply detection and optimization regulation module.

[0034] Specifically, such as Figure 2As shown in FIG. 1, it is a logic diagram of a gas supply adjustment judgment module of a distributed gas energy supply system provided by an embodiment of the present application. The gas supply adjustment judgment module is used to judge whether to send a gas supply pressure adjustment instruction to an energy supply device based on the analysis result of the gas supply demand of the gas equipment in a preset industrial area. If the gas supply pressure adjustment instruction is not sent to the energy supply device, a standby gas source is activated. For example, Figure 3 As shown in FIG. 2, it is a logic diagram of a gas supply continuous adjustment module of a distributed gas energy supply system provided by an embodiment of the present application. The gas supply continuous adjustment module is used to monitor the fluctuation degree of the gas supply pressure after the execution of the gas supply pressure adjustment if the gas supply pressure adjustment instruction is sent to the energy supply device, and to judge whether to send a gas supply pressure continuous adjustment instruction to the energy supply device. If the gas supply pressure continuous adjustment instruction is sent to the energy supply device, the gas supply pressure continuous adjustment is executed. Otherwise, a gas supply pressure continuous adjustment suspension instruction is sent to the energy supply device. The gas supply pressure continuous adjustment includes secondary gas supply pressure adjustment and gas supply flow synchronization adjustment. Figure 4 As shown in FIG. 3, it is a logic diagram of a supply detection optimization adjustment module of a distributed gas energy supply system provided by an embodiment of the present application. The supply detection optimization adjustment module is used to detect the gas supply quality of the gas equipment after the execution of the gas supply pressure continuous adjustment, to obtain a gas supply quality detection result, to judge whether to send a gas supply optimization adjustment instruction to the energy supply device based on the gas supply quality detection result, to execute the gas supply optimization adjustment if the gas supply optimization adjustment instruction is sent to the energy supply device, and to send a gas supply quality detection result continuous monitoring instruction to the energy supply device otherwise. The gas supply optimization adjustment is used to adjust the gas supply pressure and flow in combination with the gas supply quality detection result to improve the gas supply quality.

[0035] In the present embodiment, industrial gas energy supply is an indispensable part of modern industrial production, especially in industries with high energy consumption, such as steel, chemical, metallurgy, food processing, glass manufacturing, etc. As one of the important energy sources, gas provides heat energy, power and raw materials for various production processes. Most industrial gas equipment (such as boilers, ovens, industrial furnaces, etc.) relies on stable gas pressure to maintain normal work. The energy supply device includes gas generator sets, etc. If the gas supply pressure fluctuates too much, it may lead to incomplete or unstable combustion, thereby affecting production efficiency and energy utilization rate. If the gas supply pressure is too low, the combustion efficiency is reduced; and if the pressure is too high, it may cause damage to the gas pipeline, valve, gas equipment, etc., and even cause equipment failure or safety accidents.

[0036] In addition, the pressure change of the fuel gas will directly affect the stability and composition of the fuel gas, and in turn have a significant impact on the working efficiency of the equipment, the combustion quality, the production safety and the emission control. Different industrial production processes have different requirements for the composition of the fuel gas, and generally require the fuel gas to have a certain calorific value, a low moisture content and a low impurity content. If the composition of the supplied fuel gas is unstable, for example, the calorific value fluctuates greatly, contains too much moisture or impurities, it will affect the stability of the production process. For example, natural gas with too high moisture content may cause the evaporation of water in the burner, thereby affecting the combustion effect, reducing the efficiency and increasing the maintenance cost of the equipment. Analyzing and solving the problem of pressure fluctuation of fuel gas supply and the quality of fuel gas supply is an important problem that cannot be ignored in the industrial fuel gas supply system. The correlation analysis between the pressure fluctuation of fuel gas supply and the quality of fuel gas supply not only helps to improve the stability and quality of fuel gas supply and optimize the energy utilization efficiency, but also ensures the safe operation of the fuel gas equipment and improves the safety management of industrial fuel gas.

[0037] Further, based on the analysis result of the fuel gas supply demand of the fuel gas equipment in the preset industrial area, it is determined whether to send a fuel gas supply pressure adjustment instruction to the energy supply equipment, and the specific steps are as follows:

[0038] Firstly, the supply demand analysis data of the fuel gas equipment in the preset industrial area is obtained, and the supply demand analysis data includes fuel gas supply data and fuel gas consumption demand data; wherein the fuel gas supply data is obtained through SCADA (Supervisory Control and Data Acquisition), and the fuel gas consumption demand data is obtained through the energy management system (EMS, Energy Management System) in the preset industrial area.

[0039] Secondly, it is judged whether the obtained supply and demand deviation degree is within the preset supply and demand deviation allowable range according to the preset supply and demand deviation allowable range obtained from the preset database; the preset supply and demand deviation allowable range is set by professionals according to the standards in the field, the supply and demand deviation degree represents the deviation degree of the supply and demand deviation and the supply and demand deviation threshold, and the supply and demand deviation represents the analysis result of the difference between the fuel gas consumption demand data and the fuel gas supply data.

[0040] If the supply and demand deviation degree is within the preset supply and demand deviation allowable range, a fuel gas supply pressure adjustment instruction is sent to the energy supply equipment and the fuel gas supply pressure adjustment is performed.

[0041] Wherein, the specific steps of performing the fuel gas supply pressure adjustment are as follows:

[0042] The obtained supply-demand deviation is input into a supply adjustment strength mapping set in a preset database to obtain an initial supply pressure adjustment strength, and the supply adjustment strength mapping set represents a mapping relationship between the supply-demand deviation and the initial supply pressure adjustment strength. Specifically, as the supply-demand deviation increases, the initial supply pressure adjustment strength increases accordingly. The initial supply pressure adjustment strength is input into a PID controller (Proportional-Integral-Derivative Controller) of the energy supply device, and the valve opening degree of the pressure adjustment valve is adjusted by a programmable logic controller of the energy supply device to adjust the gas supply pressure.

[0043] If the supply-demand deviation is not within the preset supply-demand deviation allowable range, no gas supply pressure adjustment instruction is sent to the energy supply device, and the standby gas source is enabled to supply.

[0044] In the embodiment, by combining the preset supply-demand deviation allowable range to analyze and judge the gas supply demand of the gas equipment in the preset industrial area and adjust the gas supply pressure, more accurate adjustment of the gas supply pressure is realized, and the stability of the gas supply in the industrial gas energy supply process is improved.

[0045] Further, the fluctuation degree of the gas supply pressure is monitored after the gas supply pressure adjustment is performed, and the specific steps are as follows:

[0046] A1, obtaining fluctuation evaluation quantitative data in a preset pressure fluctuation monitoring time period after the gas supply pressure adjustment is performed, the fluctuation evaluation quantitative data including a supply gas flow rate, a supply pressure monitoring value, a pressure monitoring average value, and a pressure monitoring maximum value; the supply gas flow rate is obtained by a flow sensor deployed at the outlet of the gas supply pipeline, the supply pressure monitoring value is obtained by a pressure sensor deployed at the outlet of the gas supply pipeline, and the pressure monitoring average value and the pressure monitoring maximum value are obtained by statistical analysis of the supply pressure monitoring value by the AVERAGE function and the MAX function of Excel; wherein the supply pressure monitoring value, the pressure monitoring average value, and the pressure monitoring maximum value are all subjected to unit removal processing, the supply gas flow rate is consistent with the unit of the reference gas supply gas flow rate, and both are cubic meters per hour, and the reference gas supply gas flow rate is the result of summing and averaging the collected historical supply gas flow rate.

[0047] A2, the supply gas flow rate difference degree is averaged, the difference between the supply pressure monitoring value and the pressure monitoring average value is analyzed, and the fluctuation interaction processing is performed. The fluctuation interaction processing (i.e., the process of obtaining the fluctuation analysis index) is used to describe the interaction between the supply gas flow rate difference degree and the difference analysis result of the supply pressure monitoring value, and is modified in combination with the supply environment interference factor obtained from the preset database to obtain the fluctuation analysis index. The numerical expression of the fluctuation analysis index is as follows:

[0048]

[0049] In the formula, Z Yp represents the fluctuation analysis index in the preset pressure fluctuation monitoring time period, X g represents the supply environment interference factor, j represents the fluctuation monitoring time in the preset pressure fluctuation monitoring time period, j = 1, 2, …, J, J represents the total number of fluctuation monitoring times in the preset pressure fluctuation monitoring time period, GV j represents the supply gas flow rate at the jth fluctuation monitoring time in the preset pressure fluctuation monitoring time period, ΔGV represents the reference fuel gas supply gas flow rate, GY j represents the supply pressure monitoring value at the jth fluctuation monitoring time in the preset pressure fluctuation monitoring time period, P GY represents the pressure monitoring average value in the preset pressure fluctuation monitoring time period.

[0050] In the formula, the supply environment interference factor is obtained from the preset database, and is used to describe the influence of the fuel gas supply environment temperature (obtained by deploying a temperature sensor at the outlet of the fuel gas supply pipeline) on the fluctuation analysis index. The real-time fuel gas supply environment temperature is input into the mapping set of the preset fuel gas supply environment temperature and the corresponding supply environment interference factor in the database to obtain the supply environment interference factor.

[0051] A3, the pressure monitoring maximum value and the pressure monitoring average value are analyzed to obtain the peak value analysis index, and the fluctuation analysis index, the peak value analysis index, and the corresponding evaluation compensation are coupled after the weighting operation to obtain the fuel gas supply pressure fluctuation index. The numerical expression of the fuel gas supply pressure fluctuation index is as follows:

[0052] RGy = ξ RG1 × Z Yp + ξ RG2 × F Yp ;

[0053] In the formula, RGy represents the fuel gas supply pressure fluctuation index, ξ RG1 represents the fluctuation evaluation compensation, ξ RG2 represents the peak value evaluation compensation, Z Yp represents the fluctuation analysis index, and F Yprepresenting a peak analysis index.

[0054] Wherein, the evaluation compensation amount comprises a fluctuation evaluation compensation amount and a peak evaluation compensation amount; the sum of the fluctuation evaluation compensation amount and the peak evaluation compensation amount is 1, for describing the influence degree of the fluctuation analysis index and the peak analysis index on the gas supply pressure fluctuation index, and the fluctuation evaluation compensation amount and the peak evaluation compensation amount are obtained by inputting the real-time fluctuation analysis index and the peak analysis index into a mapping set of the fluctuation analysis index, the peak analysis index and their respective compensation amounts in the preset database.

[0055] In the embodiment, the gas supply pressure fluctuation index represents the quantified data of the common evaluation of the fluctuation analysis index and the peak analysis index on the gas supply pressure fluctuation degree, for quantitatively evaluating the fluctuation degree of the gas supply pressure; wherein, the fluctuation analysis index and the peak analysis index both have influence on the gas supply pressure fluctuation index, and jointly act on the evaluation of the gas supply pressure fluctuation degree. Specifically, with the increase of the fluctuation analysis index and the peak analysis index, the gas supply pressure fluctuation index increases. In addition, the gas supply pressure fluctuation index contains multiple parameters, and the correlation between the parameters is considered, and is obtained by comprehensive analysis in a quantitative manner. For example, in the industrial gas supply process, with the increase of the supply gas flow rate, the friction between the gas and the pipe wall increases, which causes the pressure drop in the pipe. For example, in a long pipe, high flow rate will cause significant pressure loss. At the same time, the pressure change in the industrial gas supply process also affects the supply gas flow rate. When the supply pressure monitoring value increases, the compressibility of the gas decreases, and the flow of the gas in the pipe becomes more stable, and the supply gas flow rate increases. The increase of the flow rate increases the friction resistance of the pipe, thereby causing the supply pressure monitoring value to decrease. When the pressure decreases, the distance between the gas molecules increases, causing the flow rate to slow down. With the increase of the fluctuation degree of the gas supply pressure in the industrial gas supply process, the fluctuation analysis index increases, and then a larger peak fluctuation occurs, so that the peak analysis index increases, and the gas supply pressure fluctuation index increases. The fluctuation analysis index and the peak analysis index influence each other and jointly act, thereby improving the reliability of the evaluation and analysis of the fluctuation degree of the gas supply pressure in the industrial gas supply process.

[0056] Further, it is judged whether to send a gas supply pressure adjustment instruction to the energy supply device, and the specific process is as follows:

[0057] Firstly, it is judged whether the obtained gas supply pressure fluctuation index is within the preset pressure fluctuation allowable range combined with the preset pressure fluctuation allowable range obtained from the preset database; the preset pressure fluctuation allowable range is set by professionals according to the standards in the field.

[0058] Secondly, if the gas supply pressure fluctuation index is within the preset pressure fluctuation allowable range, a gas supply pressure secondary adjustment instruction is sent to the energy supply device, and gas supply pressure secondary adjustment is performed.

[0059] It should be understood that the gas supply pressure secondary adjustment includes gas supply pressure secondary adjustment and gas supply flow synchronous adjustment; wherein the gas supply pressure secondary adjustment means adjusting the gas supply pressure by inputting the supply pressure adjustment strength into the PID controller of the energy supply device and adjusting the valve opening of the pressure regulating valve through the programmable logic controller of the energy supply device; the gas supply flow synchronous adjustment means adjusting the gas supply flow by inputting the supply flow adjustment strength into the PID controller of the energy supply device and adjusting the valve opening of the flow regulating valve through the programmable logic controller of the energy supply device.

[0060] Wherein, the supply pressure adjustment strength means the result of mapping the gas supply pressure fluctuation index and the deviation of the supply pressure fluctuation threshold value (i.e. the result of the difference operation between the gas supply pressure fluctuation index and the supply pressure fluctuation threshold value), and the supply-demand deviation into the supply secondary adjustment strength mapping set in the preset database, and the supply secondary adjustment strength mapping set represents the mapping relationship between the gas supply pressure fluctuation index, the deviation of the supply pressure fluctuation threshold value, the supply-demand deviation and the supply pressure adjustment strength; the supply pressure fluctuation threshold value is the maximum value of the collected historical gas supply pressure fluctuation index; specifically, as the deviation of the gas supply pressure fluctuation index and the supply pressure fluctuation threshold value decreases and the supply-demand deviation increases, the supply pressure adjustment strength increases accordingly.

[0061] The supply flow adjustment strength means the result of mapping the supply pressure adjustment strength and the supply-demand deviation into the supply flow adjustment strength mapping set in the preset database, and the supply flow adjustment strength mapping set represents the mapping relationship between the supply pressure adjustment strength and the supply-demand deviation and the supply flow adjustment strength; specifically, as the supply pressure adjustment strength increases and the supply-demand deviation increases, the supply flow adjustment strength increases accordingly.

[0062] In addition, if the gas supply pressure fluctuation index is not within the preset pressure fluctuation allowable range, no gas supply pressure secondary adjustment instruction is sent to the energy supply device, and a gas supply pressure secondary adjustment suspension instruction is sent to the energy supply device.

[0063] In this embodiment, by combining the preset pressure fluctuation allowable range to judge the gas supply pressure fluctuation degree and performing gas supply pressure secondary adjustment, the accuracy of the gas supply pressure fluctuation evaluation and judgment is improved, and the reliability of the gas industry pressure regulation in the industrial gas energy supply process based on the gas supply pressure fluctuation is improved.

[0064] Further, the gas supply quality of the gas equipment is detected, and the specific steps are as follows:

[0065] B1, obtaining quality detection quantitative data in a preset gas quality detection time period, the quality detection quantitative data including gas calorific value, gas water content, gas temperature and gas supply pressure fluctuation index; wherein the corresponding gas calorific value, gas water content and gas temperature are obtained through the calorific value sensor, water content sensor and thermocouple deployed at the gas equipment inlet. The reference gas calorific value, reference gas water content and reference gas temperature are represented by the results of respectively corresponding summation and average of the collected historical gas calorific value, gas water content and gas temperature; the calorific value detection deviation threshold, water content detection deviation threshold and temperature detection deviation threshold are the maximum values of the difference operation of the historical gas calorific value, gas water content and gas temperature and the corresponding reference gas calorific value, reference gas water content and reference gas temperature.

[0066] B2, coupling the gas calorific value difference degree (i.e. part), the gas water content difference degree (i.e. part), the gas temperature difference degree (i.e. part) and the corresponding detection compensation amount after weighting operation to obtain the gas index compliance value; the numerical expression of the gas index compliance value is as follows:

[0067]

[0068] In the formula, FD lb represents the gas index compliance value in the preset gas quality detection time period, χ R represents the calorific value detection compensation amount, χ S represents the water content detection compensation amount, χ W represents the temperature detection compensation amount, MAX PR represents the calorific value detection deviation threshold, C RR represents the reference gas calorific value, RR represents the gas calorific value in the preset gas quality detection time period, MAX PS represents the water content detection deviation threshold, C RS represents the reference gas water content, RS represents the gas water content in the preset gas quality detection time period, MAX PW represents the temperature detection deviation threshold, C RW represents the reference gas temperature, and RW represents the gas temperature in the preset gas quality detection time period.

[0069] The detection compensation amount includes a calorific value detection compensation amount, a water content detection compensation amount, and a temperature detection compensation amount; the calorific value detection compensation amount, the water content detection compensation amount, and the temperature detection compensation amount are obtained from a preset database, and the value ranges are all 0 to 1 and the sum is 1, and respectively correspond to the influence degree of the gas index compliance value on the gas calorific value difference approaching operation result, the gas water content difference approaching operation result, and the gas temperature difference approaching operation result; the corresponding calorific value detection compensation amount, water content detection compensation amount, and temperature detection compensation amount are obtained by inputting the real-time gas calorific value difference approaching operation result, gas water content difference approaching operation result, and gas temperature difference approaching operation result into the preset mapping set of the gas calorific value difference approaching operation result, gas water content difference approaching operation result, and gas temperature difference approaching operation result and the respective compensation amounts.

[0070] B3, the gas supply pressure fluctuation index difference degree analysis result (i.e. part) and the gas index compliance value are interactively processed for quality detection, the quality detection interaction is used to describe the interaction between the gas supply pressure fluctuation index difference degree analysis result and the gas index compliance value, and a gas supply quality detection score is obtained; the numerical expression of the gas supply quality detection score is as follows:

[0071]

[0072] In the formula, RGj represents the gas supply quality detection score, ΔMAX RGy represents the reference pressure maximum fluctuation threshold, RGy represents the gas supply pressure fluctuation index, FD lj represents the gas index compliance value.

[0073] In the embodiment, the gas supply quality detection score represents the gas supply pressure fluctuation index and the gas index compliance value together quantifying the data of the gas supply quality detection of the gas equipment, and is used for quantifying the gas supply quality detection of the gas equipment, wherein the gas supply quality detection score contains multiple parameters, such as the gas supply pressure fluctuation index and the gas index compliance value (specifically containing the gas calorific value, the gas water content, and the gas temperature). The gas supply pressure fluctuation index and the gas index compliance value both have an impact on the gas supply quality detection of the gas equipment, that is, as the gas supply pressure fluctuation index decreases, the gas supply quality detection score increases; as the gas index compliance value increases, the gas supply quality detection score also increases. In addition, the gas supply quality detection score considers the correlation and mutual influence relationship between the parameters, and comprehensively analyzes in a quantitative manner. For example, the gas calorific value and the gas water content are directly related. The gas with a higher calorific value contains less water. Because water vapor will dilute the energy components in the gas, a higher water content means that the gas will take away more heat during combustion, thereby reducing the effective calorific value of the gas. That is, as the difference between the gas calorific value and the difference between the operation result decreases, the difference between the gas water content and the operation result decreases, the gas index compliance value decreases, and the gas supply quality detection score also decreases. At the same time, the fluctuation of the gas supply pressure will affect the flow rate and density of the gas, thereby affecting the calorific value of the gas. For example, when the pressure increases, the gas molecules are more dense, which can increase the overall calorific value of the gas. Conversely, when the pressure decreases, the gas molecules expand, which reduces the calorific value. In addition, when the pressure fluctuation is large, the water content in the gas can be unstable, thereby affecting the calorific value and temperature of the gas. That is, as the gas supply pressure fluctuation index increases, the gas index compliance value decreases, and the gas supply quality detection score also decreases. Through the quantitative detection of the gas supply quality of the gas equipment, the reliability of the gas supply quality detection of the gas equipment in the industrial gas energy supply process is improved.

[0074] Further, the specific process of obtaining the gas supply quality detection result is as follows:

[0075] It is judged whether the obtained gas supply quality detection score is within the preset supply quality detection threshold range obtained from the preset database. The preset supply quality detection threshold range is set by professionals according to the standards in the field.

[0076] If the gas supply quality detection score is within the preset supply quality detection threshold range, the gas supply quality detection result is recorded as a qualified gas supply quality detection result, a gas supply quality detection result continuous monitoring instruction is sent to the energy supply equipment, and it is continuously monitored whether the gas supply quality detection score is within the preset supply quality detection threshold range.

[0077] If the gas supply quality detection score is not within the preset supply quality detection threshold range, the gas supply quality detection result is recorded as unqualified gas supply quality detection, a gas supply optimization adjustment instruction is sent to the energy supply device, and gas supply optimization adjustment is performed.

[0078] The gas supply optimization adjustment includes gas supply pressure optimization adjustment and gas supply flow synchronization optimization adjustment. Specifically, the gas supply pressure optimization adjustment means that the supply pressure optimization effort is input into the PID controller of the energy supply device, and the valve opening of the pressure regulating valve is adjusted by the programmable logic controller of the energy supply device to adjust the gas supply pressure. The gas supply flow synchronization optimization adjustment means that the supply flow optimization effort is input into the PID controller of the energy supply device, and the valve opening of the flow regulating valve is adjusted by the programmable logic controller of the energy supply device to adjust the gas supply flow.

[0079] The supply pressure optimization effort means that the gas supply quality detection score and the supply quality detection threshold deviation (i.e. the absolute value of the difference between the gas supply quality detection score and the supply quality detection threshold deviation) and the gas supply pressure fluctuation index and the supply pressure fluctuation threshold deviation are input into the supply optimization adjustment effort mapping set in the preset database to obtain the mapping result. The supply optimization adjustment effort mapping set represents the mapping relationship between the gas supply quality detection score, the supply quality detection threshold deviation, the gas supply pressure fluctuation index, the supply pressure fluctuation threshold deviation, and the supply pressure optimization effort. The supply quality detection threshold is the sum and average of the collected historical gas supply quality detection scores. Specifically, as the gas supply quality detection score and the supply quality detection threshold deviation increase, and the gas supply pressure fluctuation index and the supply pressure fluctuation threshold deviation increase, the supply pressure optimization effort increases accordingly.

[0080] The supply flow optimization effort means that the supply pressure optimization effort and the supply-demand deviation are input into the supply flow optimization adjustment effort mapping set in the preset database to obtain the mapping result. The supply flow optimization adjustment effort mapping set represents the mapping relationship between the supply pressure optimization effort, the supply-demand deviation, and the supply flow optimization effort. Specifically, as the supply pressure optimization effort and the supply-demand deviation increase, the supply flow optimization effort increases accordingly.

[0081] In this embodiment, the gas supply quality detection result includes qualified gas supply quality detection and unqualified gas supply quality detection. By combining the preset supply quality detection threshold range to judge the gas supply quality of the gas equipment and performing gas supply optimization adjustment, the accuracy of gas supply quality analysis and judgment of the gas equipment is improved, and the reliability of gas supply optimization adjustment is improved, thereby improving the stability of the industrial gas energy supply process based on gas supply pressure fluctuation and gas supply quality analysis.

[0082] As Figure 5 shown, a flow chart of a distributed gas supply method provided by an embodiment of the present application is shown, the method comprising the following steps: determining whether to send a gas supply pressure adjustment instruction to the energy supply device based on the analysis result of the gas supply demand of the gas equipment in the preset industrial area, if not sending the gas supply pressure adjustment instruction to the energy supply device, then enabling the standby gas source supply; if sending the gas supply pressure adjustment instruction to the energy supply device, then monitoring the fluctuation degree of the gas supply pressure after executing the gas supply pressure adjustment, determining whether to send a gas supply pressure re-adjustment instruction to the energy supply device, if sending the gas supply pressure re-adjustment instruction to the energy supply device, then executing the gas supply pressure re-adjustment, otherwise, sending a gas supply pressure re-adjustment suspension instruction to the energy supply device, the gas supply pressure re-adjustment comprises gas supply pressure secondary adjustment and gas supply flow synchronous adjustment; after executing the gas supply pressure re-adjustment, detecting the gas supply quality of the gas equipment, obtaining the gas supply quality detection result, determining whether to send a gas supply optimization adjustment instruction to the energy supply device based on the gas supply quality detection result, if sending the gas supply optimization adjustment instruction to the energy supply device, then executing the gas supply optimization adjustment, otherwise, sending a gas supply quality detection result continuous monitoring instruction to the energy supply device, the gas supply optimization adjustment is used for adjusting the gas supply pressure and flow to improve the gas supply quality in combination with the gas supply quality detection result.

[0083] In summary, the embodiment of the present application determines whether to send a gas supply pressure adjustment instruction based on the analysis result of the gas supply demand, if not sending the gas supply pressure adjustment instruction, then enabling the standby gas source supply, otherwise, determining whether to execute the gas supply pressure re-adjustment instruction sending, and after executing the gas supply pressure re-adjustment, detecting the gas supply quality of the gas equipment, finally determining whether to send the gas supply optimization adjustment instruction, thereby realizing the correlation analysis and adjustment of the gas supply pressure fluctuation and the gas supply quality, and further realizing the improvement of the gas supply quality in the industrial gas energy supply process, effectively solving the problem of low gas supply quality in the industrial gas energy supply process caused by the fluctuation of the gas supply pressure in the prior art.

[0084] Those skilled in the art will understand that the embodiments of the present application can be provided as a method, a system, or a computer program product. Therefore, the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application can take the form of a computer program product implemented on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0085] The present application is described in reference to the flowchart illustrations and / or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart illustrations and / or block diagrams. Figure 1 one or more functions specified in the flowchart illustrations and / or block diagrams. Figure 1 one or more functions specified in the flowchart illustrations and / or block diagrams.

[0086] These computer program instructions can also be stored in a computer- readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instructions which implement the functions specified in the flowchart illustrations and / or block diagrams. Figure 1 one or more functions specified in the flowchart illustrations and / or block diagrams. Figure 1 one or more functions specified in the flowchart illustrations and / or block diagrams.

[0087] These computer program instructions can also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart illustrations and / or block diagrams. Figure 1 one or more functions specified in the flowchart illustrations and / or block diagrams. Figure 1 one or more functions specified in the flowchart illustrations and / or block diagrams.

[0088] While preferred embodiments of the application have been described, modifications and variations can be apparent to those skilled in the art once aware of the general underlying concepts. Accordingly, the appended claims intend to embrace all such modifications and variations as fall within the scope of the application.

[0089] Obviously, numerous modifications and variations of the present application are possible in light of the above teachings. It is therefore to be understood that within the scope of the appended claims and their equivalents, the application can be practiced otherwise than as specifically described.

Claims

1. A distributed gas-fired energy supply system, characterized in that, include: Gas supply regulation judgment module, gas supply continuous regulation module, and supply detection and optimization regulation module; The gas supply regulation judgment module is used to determine whether to send a gas supply pressure regulation command to the energy supply equipment based on the gas supply demand analysis results of the gas equipment in the preset industrial area. If no gas supply pressure regulation command is sent to the energy supply equipment, the backup gas source supply is activated. The gas supply pressure adjustment module is used to monitor the fluctuation of the gas supply pressure after the gas supply pressure adjustment is performed if a gas supply pressure adjustment command is sent to the energy supply equipment. It then determines whether to send a gas supply pressure adjustment command to the energy supply equipment. If a gas supply pressure adjustment command is sent to the energy supply equipment, the gas supply pressure adjustment is performed. Otherwise, a command to pause the gas supply pressure adjustment is sent to the energy supply equipment. The gas supply pressure adjustment includes secondary adjustment of the gas supply pressure and synchronous adjustment of the gas supply flow. The specific steps for monitoring the fluctuation of the gas supply pressure after regulating the gas supply pressure are as follows: The fluctuation assessment quantification data within a preset pressure fluctuation monitoring period after the gas supply pressure regulation is executed includes the supply gas flow rate, supply pressure monitoring value, pressure monitoring average value, and pressure monitoring maximum value. The fluctuation interaction processing is applied to the difference analysis results of the supply pressure monitoring value and the average pressure monitoring value by the degree of difference in the average processing of the supply gas flow rate. Then, it is corrected by the supply environment interference factor obtained from the preset database to obtain the fluctuation analysis index. The fluctuation interaction processing is used to describe the interaction between the degree of difference in the average processing of the supply gas flow rate and the difference analysis results of the supply pressure monitoring value. The peak analysis index is obtained by performing a ratio analysis between the maximum pressure monitoring value and the average pressure monitoring value. The fluctuation analysis index, the peak analysis index and the corresponding assessment compensation amount are weighted and coupled to obtain the gas supply pressure fluctuation index. The assessment compensation amount includes the fluctuation assessment compensation amount and the peak assessment compensation amount. The gas supply pressure fluctuation index is used to quantitatively assess the degree of fluctuation in gas supply pressure. The gas supply pressure fluctuation index represents quantitative data that assesses the degree of gas supply pressure fluctuation by combining fluctuation analysis indicators and peak analysis indicators. The supply detection and optimization adjustment module is used to detect the gas supply quality of the gas equipment after the gas supply pressure is continuously adjusted, obtain the gas supply quality detection result, and determine whether to send a gas supply optimization adjustment command to the energy supply equipment based on the gas supply quality detection result. If a gas supply optimization adjustment command is sent to the energy supply equipment, the gas supply optimization adjustment is executed; otherwise, a gas supply quality detection result continuous monitoring command is sent to the energy supply equipment. The gas supply optimization adjustment is used to adjust the gas supply pressure and flow rate in combination with the gas supply quality detection result to improve the gas supply quality. The specific steps for detecting the gas supply quality of the gas equipment are as follows: Acquire quantitative data on gas quality within a preset gas quality testing time period. The quantitative data on gas quality includes gas calorific value, gas water content, gas temperature, and gas supply pressure fluctuation index. The gas index compliance value is obtained by weighting and coupling the differences in calorific value, water content, and temperature of the gas with the corresponding detection compensation values. The detection compensation values ​​include calorific value detection compensation, water content detection compensation, and temperature detection compensation. The gas supply pressure fluctuation index difference analysis results are combined with the gas index compliance values ​​for quality detection to obtain a gas supply quality detection score. The quality detection interaction process is used to describe the interaction between the gas supply pressure fluctuation index difference analysis results and the gas index compliance values. The gas supply quality detection score is used to quantify the gas supply quality of the gas equipment. The gas supply quality test score represents the quantitative data of gas supply pressure fluctuation index and gas indicator compliance value, which together quantify the gas supply quality test of gas equipment.

2. The distributed gas energy supply system as described in claim 1, characterized in that, The specific steps for determining whether to send a gas supply pressure regulation command to the energy supply equipment based on the gas supply demand analysis results of gas equipment in a preset industrial area are as follows: Acquire supply and demand analysis data for gas equipment within a preset industrial area, wherein the supply and demand analysis data includes gas supply data and gas consumption demand data; Based on the preset allowable range of supply and demand deviation obtained from the preset database, determine whether the obtained degree of supply and demand deviation is within the preset allowable range of supply and demand deviation. If the degree of supply and demand deviation is within the preset allowable range, a gas supply pressure adjustment command is sent to the energy supply equipment and the gas supply pressure adjustment is executed; If the degree of supply and demand deviation is not within the preset allowable range, the gas supply pressure adjustment command will not be sent to the energy supply equipment and the backup gas source will be activated. The degree of supply-demand deviation refers to the degree of deviation between the supply-demand imbalance and the supply-demand imbalance threshold.

3. The distributed gas energy supply system as described in claim 2, characterized in that, The specific steps for regulating the gas supply pressure are as follows: The obtained supply-demand deviation is input into the supply adjustment strength mapping set in the preset database and mapped to obtain the initial supply pressure adjustment strength. The supply adjustment strength mapping set represents the mapping relationship between the supply-demand deviation and the initial supply pressure adjustment strength. The initial supply pressure regulation force is input into the PID controller of the power supply equipment, and the gas supply pressure is regulated by adjusting the valve opening of the pressure regulating valve through the programmable logic controller of the power supply equipment.

4. The distributed gas energy supply system as described in claim 1, characterized in that, The specific process for determining whether to send a gas supply pressure adjustment command to the energy supply equipment is as follows: Based on the preset pressure fluctuation allowable range obtained from the preset database, determine whether the obtained gas supply pressure fluctuation index is within the preset pressure fluctuation allowable range; If the gas supply pressure fluctuation index is within the preset pressure fluctuation allowable range, a gas supply pressure adjustment command is sent to the energy supply equipment, and the gas supply pressure adjustment is executed. If the gas supply pressure fluctuation index is not within the preset pressure fluctuation allowable range, the gas supply pressure adjustment command will not be sent to the energy supply equipment, and a gas supply pressure adjustment suspension command will be sent to the energy supply equipment.

5. A distributed gas energy supply system as described in claim 1, characterized in that, The secondary regulation of gas supply pressure refers to the regulation of gas supply pressure by inputting the supply pressure regulation force into the PID controller of the power supply equipment, and regulating the valve opening of the pressure regulating valve through the programmable logic controller of the power supply equipment. The synchronous regulation of gas supply flow means that the supply flow regulation force is input into the PID controller of the power supply equipment, and the valve opening of the flow regulation valve is adjusted by the programmable logic controller of the power supply equipment to regulate the gas supply flow. The supply pressure regulation strength refers to the result of mapping the gas supply pressure fluctuation index and the degree of deviation of the supply pressure fluctuation threshold, as well as the supply-demand deviation, into a preset database supply regulation strength mapping set. The supply regulation strength mapping set represents the mapping relationship between the gas supply pressure fluctuation index and the degree of deviation of the supply pressure fluctuation threshold, the supply-demand deviation, and the supply pressure regulation strength. The supply flow regulation intensity refers to the result of mapping the supply pressure regulation intensity and the supply-demand deviation together into a preset database supply flow regulation intensity mapping set. The supply flow regulation intensity mapping set represents the mapping relationship between the supply pressure regulation intensity and the supply-demand deviation and the supply flow regulation intensity.

6. The distributed gas energy supply system as described in claim 1, characterized in that, The specific process for obtaining gas supply quality test results is as follows: Determine whether the obtained gas supply quality detection score is within the preset supply quality detection threshold range obtained from the preset database; If the gas supply quality test score is within the preset supply quality test threshold range, the gas supply quality test result will be recorded as qualified, a gas supply quality test result continuous monitoring instruction will be sent to the energy supply equipment, and the gas supply quality test score will be continuously monitored to see if it is within the preset supply quality test threshold range. If the gas supply quality test score is not within the preset supply quality test threshold range, the gas supply quality test result will be recorded as unqualified, a gas supply optimization and adjustment command will be sent to the energy supply equipment, and the gas supply optimization and adjustment will be executed. The gas supply quality inspection results include those that pass the gas supply quality inspection and those that fail the gas supply quality inspection.

7. A distributed gas energy supply system as described in claim 6, characterized in that, The gas supply optimization regulation includes gas supply pressure optimization regulation and gas supply flow synchronous optimization regulation; The gas supply pressure optimization regulation means that the supply pressure optimization force is input into the PID controller of the power supply equipment, and the valve opening of the pressure regulating valve is adjusted by the programmable logic controller of the power supply equipment to regulate the gas supply pressure. The synchronous optimization and regulation of gas supply flow means that the optimization force of the supply flow is input into the PID controller of the power supply equipment, and the valve opening of the flow regulating valve is adjusted by the programmable logic controller of the power supply equipment to regulate the gas supply flow. The supply pressure optimization intensity refers to the result of mapping the gas supply quality detection score and the deviation of the supply quality detection threshold, as well as the gas supply pressure fluctuation index and the deviation of the supply pressure fluctuation threshold, together into a supply optimization adjustment intensity mapping set in a preset database. The supply optimization adjustment intensity mapping set represents the mapping relationship between the gas supply quality detection score and the deviation of the supply quality detection threshold, the gas supply pressure fluctuation index and the deviation of the supply pressure fluctuation threshold, and the supply pressure optimization intensity. The supply flow optimization intensity refers to the result of mapping the supply pressure optimization intensity and supply-demand deviation together into the supply flow optimization adjustment intensity mapping set in the preset database. The supply flow optimization adjustment intensity mapping set represents the mapping relationship between the supply pressure optimization intensity, the supply-demand deviation and the supply flow optimization intensity.

8. A distributed gas energy supply method, applied to a distributed gas energy supply system as described in any one of claims 1-7, characterized in that, Includes the following steps: Based on the gas supply demand analysis results of gas equipment in the preset industrial area, determine whether to send a gas supply pressure adjustment command to the energy supply equipment. If no gas supply pressure adjustment command is sent to the energy supply equipment, then activate the backup gas source supply. If a gas supply pressure adjustment command is sent to the energy supply equipment, the fluctuation of the gas supply pressure is monitored after the gas supply pressure adjustment is performed to determine whether to send a gas supply pressure continued adjustment command to the energy supply equipment. If a gas supply pressure continued adjustment command is sent to the energy supply equipment, the gas supply pressure continued adjustment is performed; otherwise, a command to suspend the gas supply pressure continued adjustment is sent to the energy supply equipment. The gas supply pressure continued adjustment includes secondary adjustment of gas supply pressure and synchronous adjustment of gas supply flow. After the gas supply pressure is continuously regulated, the gas supply quality of the gas equipment is detected, and the gas supply quality detection results are obtained. Based on the gas supply quality detection results, it is determined whether to send a gas supply optimization regulation command to the energy supply equipment. If a gas supply optimization regulation command is sent to the energy supply equipment, the gas supply optimization regulation is executed. Otherwise, a gas supply quality detection result continuous monitoring command is sent to the energy supply equipment. The gas supply optimization regulation is used to adjust the gas supply pressure and flow rate in combination with the gas supply quality detection results to improve the gas supply quality.

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