A shallow hydrogen gas boiler
By designing multiple modules of shallow hydrogen gas boiler, the problems of mixed hydrogen flow calculation, pressure-regulated mixing and burner optimization are solved, and accurate measurement of natural gas flow and stable combustion with high combustion intensity are achieved, improving system safety and energy efficiency.
Patent Information
- Application Number
- CN202210565986.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-05-23
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2042-05-23
AI Technical Summary
In the prior art, there are problems in how to accurately calculate the mixed hydrogen flow, conduct natural gas hydrogenation and regulate pressure mixing, conduct natural gas pipeline safety protection, control hydrogen concentration in a low range, and optimize boiler burners.
A shallow hydrogen gas boiler was designed, including a natural gas hydrogenation flow program control module, a shallow hydrogen gas pressure-regulating tank mixing module, a natural gas pipeline safety protection module and a boiler burner optimization structure module. The natural gas flow is measured through a mass flowmeter, the mixed hydrogen flow is calculated, the hydrogen concentration is controlled at a low range, and the combustion characteristics are optimized for high combustion intensity and stable combustion.
It realizes accurate measurement of natural gas flow and precise control of mixed hydrogen flow, improves system safety and energy efficiency utilization, and improves combustion efficiency and stability.
Smart Images

Figure CN114909672B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of new energy energy-saving precision control, and more specifically, the present invention relates to a shallow hydrogen gas boiler. Background Art
[0002] At present, many domestic energy enterprises are also trying and deploying natural gas pipeline hydrogen blending, aiming to break through the technical bottleneck of natural gas hydrogen blending, accumulate relevant data on natural gas hydrogen blending and pipeline adaptability, norms and standards for natural gas pipeline hydrogen blending, promote the upgrading of the energy industry system, and help China gain the initiative and seize the opportunity in the third round of global energy transition; new energy systems represented by the hydrogen energy system of the integrated energy system (IES) have received extensive attention and research; hydrogen energy is one of the important secondary energy sources to support the low-carbon transformation of the energy system. As a fuel and production raw material, it has broad application prospects in the fields of electricity, heat, industry, and transportation in the future; as a large-scale and cross-seasonal energy storage medium, hydrogen energy can be used as a demand-side resource to resist risks such as power grid failures, load peaks, and energy shortages; currently, there are the following problems: how to accurately calculate the mixed hydrogen flow rate, how to perform natural gas hydrogenation pressure stabilization and mixing, how to perform safety protection for natural gas pipelines and control the hydrogen concentration within a lower shallow hydrogen gas range, and optimization of boiler burners, etc.; therefore, it is necessary to propose a shallow hydrogen gas boiler to at least partially solve the problems existing in the prior art. Summary of the Invention
[0003] A series of simplified concepts are introduced in the Summary of the Invention section, which will be further elaborated in the Detailed Description section; the Summary of the Invention section of the present invention does not mean to attempt to define the key features and essential technical features of the claimed technical solution, nor does it mean to attempt to determine the protection scope of the claimed technical solution.
[0004] To at least partially solve the above problems, the present invention provides a shallow hydrogen gas boiler, comprising:
[0005] A natural gas hydrogenation flow rate program control module that measures the natural gas flow rate in the pipeline through a mass flow meter, calculates the mixed hydrogen flow rate according to the natural gas hydrogen mixing ratio, and obtains the mixed data of the natural gas hydrogen mixing flow rate;
[0006] A shallow hydrogen gas pressure stabilization tank mixing module that controls the hydrogen flow rate according to the mixed data of the natural gas hydrogen mixing flow rate and performs natural gas hydrogenation pressure stabilization and mixing through a pressure stabilization tank;
[0007] A natural gas pipeline safety protection module that sets up safety protection for the pipeline transporting hydrogen-blended natural gas and controls the hydrogen concentration within a lower shallow hydrogen gas range;
[0008] The optimized structure module of the boiler burner stabilizes combustion with high combustion intensity by optimizing the air flow transportation and injection characteristics of the boiler burner, featuring non-rotating, direct injection, and multi-jet characteristics for combustion characteristics.
[0009] Preferably, the natural gas hydrogenation flow program control module includes:
[0010] The gas mass flow measurement sub-module is used to measure the natural gas flow in the pipeline in real time through a mass flow meter to obtain the real-time measurement result of the natural gas flow;
[0011] The signal conversion and mixed calculation sub-module is used to calculate the mixed hydrogen gas flow in the natural gas according to the real-time measurement result of the natural gas flow and the big data statistical analysis of the natural gas hydrogen mixing ratio;
[0012] The calculation result data storage sub-module is used to store the calculation result of the mixed hydrogen gas flow in the natural gas to obtain the mixed data of the natural gas hydrogen mixing flow.
[0013] Preferably, the light hydrogen gas pressure stabilizing tank mixing module includes:
[0014] The flow mixing data transmission sub-module is used to transmit the mixed data of the natural gas hydrogen mixing flow to the light hydrogen gas boiler pressure stabilizing conversion control signal sub-module;
[0015] The pressure stabilizing conversion control signal sub-module is used to convert the mixed data of the natural gas hydrogen mixing flow into a control trigger electric signal through a data signal conversion unit and connect to send the control trigger electric signal to the light hydrogen gas boiler control center;
[0016] The hydrogenation mixing pressure stabilizing tank body sub-module is used to carry out natural gas hydrogenation pressure stabilizing mixing through the hydrogenation mixing pressure stabilizing tank according to the control signal of the light hydrogen gas boiler control center.
[0017] Preferably, the natural gas pipeline safety protection module includes:
[0018] The mixed gas component monitoring sub-module is used to detect and monitor the light hydrogen gas mixed gas component in real time through gas component spectroscopy to obtain the monitoring result of the light hydrogen gas mixed gas component;
[0019] The monitoring warning safety control sub-module is used to compare the monitoring result of the light hydrogen gas mixed gas component with the set light hydrogen gas mixed gas component of the light hydrogen gas boiler system, and control to issue a light hydrogen gas abnormal safety warning when the comparison state does not match the set light hydrogen gas mixed gas component;
[0020] The hydrogen enrichment concentration protection sub-module is used to start the hydrogen enrichment concentration adjustment unit according to the light hydrogen gas abnormal safety warning to control the concentration of hydrogen in a lower light hydrogen gas range.
[0021] Preferably, the optimized structure module of the boiler burner includes:
[0022] A boiler combustion gas flow characteristic sub-module for selecting the initial characteristics of the boiler combustion gas jet according to the boiler combustion gas flow data within the initial shallow hydrogen gas range.
[0023] A characteristic adaptation combustion enhancement sub-module for performing self-adaptive cyclic learning on the initial characteristics of the boiler combustion gas jet, including non-rotating, direct injection, and multi-jet characteristics, and continuously enhancing the combustion intensity through the self-adaptive cyclic learning of the jet characteristics.
[0024] A boiler combustion system stability sub-module for stabilizing the combustion enhancement of the jet characteristics through the boiler combustion flame stabilization unit during the process of continuously enhancing the combustion intensity, enabling the shallow hydrogen gas boiler system to perform stable combustion with high combustion intensity.
[0025] Preferably, the hydrogenation mixing and pressure stabilizing tank body sub-module includes:
[0026] A hydrogenation mixing and pressure stabilizing tank body unit for performing natural gas hydrogenation and pressure stabilization mixing through a pressure stabilizing tank body with an adjustable corrugated gas flow inner wall.
[0027] A corrugation amplitude adjustment unit for changing the corrugation amplitude of the adjustable corrugated gas flow inner wall through an elliptical support structure.
[0028] An amplitude adjustment control power unit for controlling the rotation of the central axis of the elliptical support structure according to the control signal of the shallow hydrogen gas boiler control center, adjusting the angles of the major axis and minor axis of the ellipse of the elliptical support structure, changing the corrugation amplitude of the adjustable corrugated gas flow inner wall, controlling the mixed gas flow velocity, and performing natural gas hydrogenation and pressure stabilization mixing.
[0029] Preferably, the mixed gas composition monitoring sub-module includes:
[0030] A gas ratio spectrum detection unit for sampling and detecting the proportion of the components of the shallow hydrogen gas mixed gas through a gas detection spectrometer.
[0031] A composition ratio comparison and analysis unit for comparing and analyzing the detected information of the shallow hydrogen gas mixed gas composition with the system-set shallow hydrogen gas mixed gas composition to obtain a mixed gas composition comparison result.
[0032] A comparison result determination and tracking unit for determining the mixed gas composition comparison result, determining whether the mixed gas composition comparison result meets the system-set mixed gas composition comparison range, and obtaining the monitoring result of the shallow hydrogen gas mixed gas composition.
[0033] Preferably, the hydrogen enrichment concentration protection sub-module includes:
[0034] An abnormal safety warning linkage unit is used to link with the abnormal safety warning of shallow hydrogen gas. When the abnormal safety warning of shallow hydrogen gas is activated, it links with the hydrogen enrichment adjustment control unit to trigger a linkage control signal.
[0035] The hydrogen enrichment adjustment control unit is used to link with the shallow hydrogen gas boiler control center through the linkage control signal to control the start of the hydrogen enrichment concentration adjustment unit.
[0036] The hydrogen enrichment concentration adjustment unit is used to control the concentration of hydrogen within a lower range of shallow hydrogen gas. The hydrogen enrichment concentration adjustment unit includes: a gas component monitoring result reader / writer, a mixing adjustment controller, a mixing regulator, and a fish gill-shaped adjustment piece mixing structure. The gas component monitoring result reader / writer reads the data of the monitoring results of the shallow hydrogen gas mixed gas components and converts it into an input interface signal of the mixing adjustment controller and transmits it to the mixing adjustment controller. The mixing adjustment controller controls the mixing regulator, and the mixing regulator drives the fish gill-shaped adjustment piece mixing structure. The fish gill-shaped adjustment piece mixing structure is composed of multiple fish gill-shaped air flow fluctuation grooves. The mixed gas flows through the fish gill-shaped partition piece mixing structure to form surface micro-vortices, making the mixing of multiple gases more uniform, and controlling the concentration of hydrogen within a lower range of shallow hydrogen gas.
[0037] Preferably, the characteristic adaptation combustion enhancer module includes:
[0038] A multi-jet adaptive circulation unit is used to perform adaptive circulation learning on the initial characteristics of the boiler combustion air jet, including non-rotating, direct injection, and multi-jet characteristics.
[0039] The boiler jet passage structure unit is used to adjust the shallow hydrogen gas boiler jet through the adaptive shallow hydrogen gas boiler jet pipe. Among them, the adaptive shallow hydrogen gas boiler jet pipe is located in the inner flow path of the boiler burner of the shallow hydrogen gas boiler combined cycle boiler burner. The adaptive shallow hydrogen gas boiler jet pipe includes a jet pipe body, and a jet pipe inner flow path is provided in the jet pipe main body. The jet pipe inner flow path is sequentially provided with a jet pipe straight section, a jet pipe converging section, and a jet pipe expanding section. The end of the jet pipe converging section, which is also the smallest cross-section in the jet pipe inner flow path, is the throat of the jet pipe inner flow path. A jet supplement pipeline and a jet baffle pipeline are provided on the jet pipe body. The inlet of the jet supplement pipeline is arranged on the outer side wall of the jet pipe body, and the outlet of the jet supplement pipeline is arranged on the inner side wall of the jet pipe body downstream of its throat. The inlet of the jet baffle pipeline is located on the inner side wall of the jet pipe body downstream of the outlet of the jet supplement pipeline, and the outlet of the jet baffle pipeline is arranged on the outer side wall of the jet pipe body.
[0040] A jet supplementary regulation setting unit is used to supplement and regulate the jet through a jet supplementary pipeline and a jet baffle pipeline; based on continuously enhancing the combustion intensity; the jet supplementary pipeline is an inclined pipeline, with respect to the nozzle at the end of the jet expansion section of the jet pipe body, the outlet of the jet supplementary pipeline is close to the nozzle, while the inlet of the jet supplementary pipeline is far from the nozzle; the jet baffle pipeline is an inclined pipeline, with respect to the nozzle at the end of the jet expansion section of the jet pipe body, the inlet of the jet baffle pipeline is far from the nozzle, and the outlet of the jet baffle pipeline is close to the nozzle.
[0041] Preferably, the boiler combustion system stability sub-module includes:
[0042] A combustion intensity data feedback unit is used to feedback the data on the degree of enhancement of the combustion intensity to the control center of the shallow hydrogen gas boiler;
[0043] A feedback signal adjustment signal unit is used to send the control signal issued by the control center of the shallow hydrogen gas boiler according to the feedback data information to the combustion signal demodulator;
[0044] A boiler combustion flame stability unit is used to stabilize the flame during the process of enhancing the jet characteristics combustion according to the output signal of the combustion signal demodulator; the boiler combustion flame stability unit has a sunflower disk-shaped opening and closing nozzle, which controls the opening and closing of the nozzle in intervals, so that the shallow hydrogen gas boiler system can carry out stable combustion with high combustion intensity.
[0045] Compared with the prior art, the present invention has at least the following beneficial effects:
[0046] The beneficial effects of the above technical solution are as follows. The present invention provides a shallow-hydrogen gas boiler, including: a natural gas hydrogenation flow program control module that measures the natural gas flow in the pipeline through a mass flow meter, calculates the mixed hydrogen flow based on the natural gas hydrogen mixing ratio, and obtains the natural gas-hydrogen mixed flow mixing data; a shallow-hydrogen gas pressure stabilizing tank mixing module that controls the hydrogen flow according to the natural gas-hydrogen mixed flow mixing data and performs natural gas hydrogenation pressure stabilizing and mixing through a pressure stabilizing tank; a natural gas pipeline safety protection module that sets up the safety protection of the pipeline for transporting hydrogen-mixed natural gas and controls the hydrogen concentration within a lower shallow-hydrogen gas range; a boiler burner optimized structure module that optimizes the air flow transportation and injection characteristics of the boiler burner, and performs high-combustion-intensity stable combustion with non-rotating, direct injection, and multi-jet characteristics for the combustion characteristics; the flow rate of natural gas can be measured by a mass flow meter with high precision to obtain more accurate data on the natural gas flow in the pipeline; the hydrogen flow is calculated according to the required hydrogen doping ratio based on the measurement results, and then the hydrogen flow is controlled by a next-level high-precision mass flow controller, and finally mixed through a mixer pressure stabilizing tank to achieve the required hydrogen doping ratio and further accurately control; an emergency cut-off valve and an explosion-proof electric control valve are set on the gas pipeline to improve the system safety and explosion-proof performance; in view of the influence of injecting hydrogen into the natural gas pipeline on the pipeline, the hydrogen volume fraction and the pipeline gas pressure are analyzed; accurate parameter analysis can further improve the comprehensive performance index and energy efficiency utilization rate of the system; the thermal efficiency is improved by improving the combustion characteristics and optimizing the structure of the burner; stable combustion at high combustion intensity is achieved for the micro-mixing combustion with non-rotating, direct injection, and multi-jet characteristics.
[0047] For a shallow-hydrogen gas boiler described in the present invention, other advantages, objectives, and features of the present invention will be partially reflected by the following description, and will also be understood by those skilled in the art through the research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0048] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the drawings:
[0049] Figure 1 It is a system block diagram of a shallow-hydrogen gas boiler described in the present invention.
[0050] Figure 2 It is a diagram of Embodiment 1 of a shallow-hydrogen gas boiler described in the present invention.
[0051] Figure 3 It is a diagram of Embodiment 2 of a shallow-hydrogen gas boiler described in the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0052] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, so that those skilled in the art can implement it with reference to the text of the specification; as Figures 1-3 As shown, the present invention provides a shallow hydrogen gas boiler, comprising:
[0053] A natural gas hydrogenation flow program control module that measures the natural gas flow in the pipeline through a mass flowmeter, calculates the mixed hydrogen flow according to the natural gas hydrogen mixing ratio, and obtains the natural gas hydrogen mixing flow mixing data;
[0054] A shallow hydrogen gas pressure stabilizing tank mixing module that controls the hydrogen flow according to the natural gas hydrogen mixing flow mixing data and performs natural gas hydrogenation pressure stabilizing and mixing through a pressure stabilizing tank;
[0055] A natural gas pipeline safety protection module that sets up the safety protection of the pipeline for transporting hydrogen-mixed natural gas and controls the hydrogen concentration within the range of shallow hydrogen gas at a relatively low level;
[0056] A boiler burner optimized structure module that optimizes the air flow transportation and injection characteristics of the boiler burner and performs high-combustion-intensity stable combustion with non-rotating, direct injection, and multi-jet characteristics for the combustion characteristics.
[0057] The working principle of the above technical solution is that the present invention provides a shallow hydrogen gas boiler, comprising: a natural gas hydrogenation flow program control module that measures the natural gas flow in the pipeline through a mass flowmeter, calculates the mixed hydrogen flow according to the natural gas hydrogen mixing ratio, and obtains the natural gas hydrogen mixing flow mixing data; a shallow hydrogen gas pressure stabilizing tank mixing module that controls the hydrogen flow according to the natural gas hydrogen mixing flow mixing data and performs natural gas hydrogenation pressure stabilizing and mixing through a pressure stabilizing tank; a natural gas pipeline safety protection module that sets up the safety protection of the pipeline for transporting hydrogen-mixed natural gas and controls the hydrogen concentration within the range of shallow hydrogen gas at a relatively low level; a boiler burner optimized structure module that optimizes the air flow transportation and injection characteristics of the boiler burner and performs high-combustion-intensity stable combustion with non-rotating, direct injection, and multi-jet characteristics for the combustion characteristics;
[0058] The flow of natural gas in the pipeline is measured by a mass flowmeter with relatively high precision. The hydrogen flow is calculated according to the measured result and the required hydrogen doping ratio. Then, the hydrogen flow is controlled by a high-precision mass flow controller at the next level. Finally, the mixing is carried out through a mixer pressure stabilizing tank to achieve the required hydrogen doping ratio; an emergency cut-off valve and an explosion-proof electric control valve are provided on the gas pipeline; in view of the influence of injecting hydrogen into the natural gas pipeline on the pipeline, the hydrogen volume fraction and the pipeline gas pressure are analyzed; when the hydrogen volume fraction injected into the natural gas pipeline is less than 10%, the pipeline operating pressure should be less than 7.7 MPa; when the hydrogen volume fraction is greater than 10%, the pipeline operating pressure should be less than 5.38 MPa; the thermal efficiency is improved through the improvement of the combustion characteristics and the optimization and improvement of the burner structure; stable combustion under high combustion intensity is achieved for the micro-mixing combustion with non-rotating, direct injection, and multi-jet characteristics.
[0059] The beneficial effects of the above technical solution are as follows: The present invention provides a shallow hydrogen gas boiler, including: a natural gas hydrogenation flow program control module, which measures the natural gas flow in the pipeline through a mass flowmeter, calculates the mixed hydrogen gas flow according to the natural gas hydrogen mixing ratio, and obtains the natural gas hydrogen mixing flow mixing data; a shallow hydrogen gas pressure stabilizing tank mixing module, which controls the hydrogen gas flow according to the natural gas hydrogen mixing flow mixing data and conducts natural gas hydrogenation pressure stabilizing and mixing through a pressure stabilizing tank; a natural gas pipeline safety protection module, which sets up the safety protection of the pipeline for transporting hydrogen-mixed natural gas and controls the hydrogen concentration within a lower shallow hydrogen gas range; a boiler burner optimized structure module, which optimizes the air flow transportation and injection characteristics of the boiler burner and conducts stable combustion with high combustion intensity with characteristics of non-rotating, direct injection, and multi-jet for the combustion characteristics; the natural gas flow can be measured by a mass flowmeter with high precision to obtain more accurate data on the natural gas flow in the pipeline; the hydrogen gas flow is calculated according to the required hydrogen doping ratio based on the measurement results, and then the hydrogen gas flow is controlled by a next-level high-precision mass flow controller, and finally, mixing is carried out through a mixer pressure stabilizing tank, so as to achieve the required hydrogen doping ratio and further accurately control; an emergency cut-off valve and an explosion-proof electric control valve are arranged on the gas pipeline to improve the system safety and explosion-proof performance; aiming at the influence of injecting hydrogen into the natural gas pipeline on the pipeline, the hydrogen gas volume fraction and the pipeline gas pressure are analyzed; when the volume fraction of hydrogen injected into the natural gas pipeline is less than 10%, the pipeline operating pressure should be less than 7.7 MPa; when the hydrogen volume fraction is greater than 10%, the pipeline operating pressure should be less than 5.38 MPa; accurate parameter analysis can further improve the comprehensive performance index and energy efficiency utilization rate of the system; the thermal efficiency is improved by improving the combustion characteristics and optimizing the burner structure; stable combustion under high combustion intensity is achieved for the micro-mixing combustion with characteristics of non-rotating, direct injection, and multi-jet.
[0060] In one embodiment, the natural gas hydrogenation flow program control module includes:
[0061] A gas mass flow measurement sub-module, which is used to measure the natural gas flow in the pipeline in real time through a mass flowmeter and obtain the real-time measurement result of the natural gas flow;
[0062] A signal conversion and mixing calculation sub-module, which is used to calculate the mixed hydrogen gas flow in the natural gas according to the real-time measurement result of the natural gas flow and the big data statistical analysis of the natural gas hydrogen mixing ratio;
[0063] A calculation result data storage sub-module, which is used to store the calculation result of the mixed hydrogen gas flow in the natural gas to obtain the natural gas hydrogen mixing flow mixing data.
[0064] The working principle of the above technical solution is that the natural gas hydrogenation flow program control module includes: a gas mass flow measurement sub-module for measuring the natural gas flow in the pipeline in real time through a mass flowmeter to obtain the real-time measurement result of the natural gas flow; a signal conversion and mixing calculation sub-module for calculating the mixed hydrogen gas flow in the natural gas according to the real-time measurement result of the natural gas flow and the big data statistical analysis of the natural gas hydrogen mixing ratio; a calculation result data storage sub-module for storing the calculation result of the mixed hydrogen gas flow in the natural gas to obtain the mixed data of the natural gas hydrogen mixing flow; the gas mass flow measurement has high accuracy, and the natural gas hydrogen mixing ratio in the big data statistical analysis is a better natural gas hydrogen mixing ratio.
[0065] The beneficial effect of the above technical solution is that the natural gas hydrogenation flow program control module includes: a gas mass flow measurement sub-module for measuring the natural gas flow in the pipeline in real time through a mass flowmeter to obtain the real-time measurement result of the natural gas flow; a signal conversion and mixing calculation sub-module for calculating the mixed hydrogen gas flow in the natural gas according to the real-time measurement result of the natural gas flow and the big data statistical analysis of the natural gas hydrogen mixing ratio; a calculation result data storage sub-module for storing the calculation result of the mixed hydrogen gas flow in the natural gas to obtain the mixed data of the natural gas hydrogen mixing flow; the gas mass flow measurement has high accuracy, and the natural gas hydrogen mixing ratio in the big data statistical analysis is a better natural gas hydrogen mixing ratio; it can improve the measurement accuracy and real-time performance of the natural gas flow and obtain a better natural gas hydrogen mixing ratio.
[0066] In one embodiment, the shallow hydrogen gas pressure stabilizing tank mixing module includes:
[0067] A flow mixing data transmission sub-module for transmitting the mixed data of the natural gas hydrogen mixing flow to the shallow hydrogen gas boiler pressure stabilizing conversion control signal sub-module;
[0068] A pressure stabilizing conversion control signal sub-module for converting the mixed data of the natural gas hydrogen mixing flow into a control trigger electric signal through a data signal conversion unit and connecting to send the control trigger electric signal to the shallow hydrogen gas boiler control center;
[0069] A hydrogenation mixing and pressure stabilizing tank body sub-module for performing natural gas hydrogenation and pressure stabilizing mixing through a hydrogenation mixing and pressure stabilizing tank according to the control signal of the shallow hydrogen gas boiler control center.
[0070] The working principle of the above technical solution is that the shallow hydrogen gas pressure stabilizing tank mixing module includes: a flow mixing data transmission sub-module for transmitting natural gas hydrogen mixing flow mixing data to the shallow hydrogen gas boiler pressure stabilizing conversion control signal sub-module; a pressure stabilizing conversion control signal sub-module for converting the natural gas hydrogen mixing flow mixing data into a control trigger electric signal through a data signal conversion unit and connecting and sending the control trigger electric signal to the shallow hydrogen gas boiler control center; a hydrogenation mixing pressure stabilizing tank body sub-module for performing natural gas hydrogenation pressure stabilizing mixing through a hydrogenation mixing pressure stabilizing tank according to the control signal of the shallow hydrogen gas boiler control center; and performing natural gas hydrogenation pressure stabilizing mixing according to flow mixing data transmission, pressure stabilizing conversion control, and hydrogenation mixing pressure stabilizing tank body.
[0071] The beneficial effect of the above technical solution is that the shallow hydrogen gas pressure stabilizing tank mixing module includes: a flow mixing data transmission sub-module for transmitting natural gas hydrogen mixing flow mixing data to the shallow hydrogen gas boiler pressure stabilizing conversion control signal sub-module; a pressure stabilizing conversion control signal sub-module for converting the natural gas hydrogen mixing flow mixing data into a control trigger electric signal through a data signal conversion unit and connecting and sending the control trigger electric signal to the shallow hydrogen gas boiler control center; a hydrogenation mixing pressure stabilizing tank body sub-module for performing natural gas hydrogenation pressure stabilizing mixing through a hydrogenation mixing pressure stabilizing tank according to the control signal of the shallow hydrogen gas boiler control center; and performing natural gas hydrogenation pressure stabilizing mixing according to flow mixing data transmission, pressure stabilizing conversion control, and hydrogenation mixing pressure stabilizing tank body; which can improve the stability of natural gas hydrogen mixing.
[0072] In one embodiment, the natural gas pipeline safety protection module includes:
[0073] A mixed gas component monitoring sub-module for real-time detecting and monitoring and tracking the shallow hydrogen gas mixed gas components through gas component spectrum detection to obtain the monitoring results of the shallow hydrogen gas mixed gas components;
[0074] A monitoring warning safety control sub-module for comparing the monitoring results of the shallow hydrogen gas mixed gas components with the set shallow hydrogen gas mixed gas components of the shallow hydrogen gas boiler system and controlling to issue a shallow hydrogen gas abnormal safety warning when the comparison state does not match the set shallow hydrogen gas mixed gas components;
[0075] A hydrogen enrichment concentration protection sub-module for starting a hydrogen enrichment concentration regulating unit according to the shallow hydrogen gas abnormal safety warning to control the concentration of hydrogen within a lower shallow hydrogen gas range.
[0076] The working principle of the above technical solution is that the natural gas pipeline safety protection module includes: a mixed gas component monitoring sub-module, which is used to detect, monitor and track the components of the light hydrogen gas mixture in real time through gas component spectrum detection, and obtain the monitoring results of the light hydrogen gas mixture components; a monitoring and warning safety control sub-module, which is used to compare the monitoring results of the light hydrogen gas mixture components with the set light hydrogen gas mixture components of the light hydrogen gas boiler system, and control the issuance of an abnormal safety warning for the light hydrogen gas when the comparison status does not match the set light hydrogen gas mixture components; a hydrogen enrichment concentration protection sub-module, which is used to start the hydrogen enrichment concentration adjustment unit according to the abnormal safety warning of the light hydrogen gas to control the concentration of hydrogen within a lower light hydrogen gas range; when the gas density difference in a single-structure pipeline is too large, it is easy to form uneven gas components. According to the infrared spectrum detection of gas components, the components of the light hydrogen gas mixture are detected, monitored and tracked in real time.
[0077] The beneficial effects of the above technical solution are that the natural gas pipeline safety protection module includes: a mixed gas component monitoring sub-module, which is used to detect, monitor and track the components of the light hydrogen gas mixture in real time through gas component spectrum detection, and obtain the monitoring results of the light hydrogen gas mixture components; a monitoring and warning safety control sub-module, which is used to compare the monitoring results of the light hydrogen gas mixture components with the set light hydrogen gas mixture components of the light hydrogen gas boiler system, and control the issuance of an abnormal safety warning for the light hydrogen gas when the comparison status does not match the set light hydrogen gas mixture components; a hydrogen enrichment concentration protection sub-module, which is used to start the hydrogen enrichment concentration adjustment unit according to the abnormal safety warning of the light hydrogen gas to control the concentration of hydrogen within a lower light hydrogen gas range; when the gas density difference in a single-structure pipeline is too large, it is easy to form uneven gas components. According to the infrared spectrum detection of gas components, the components of the light hydrogen gas mixture are detected, monitored and tracked in real time; it can detect, monitor and track the components of the light hydrogen gas mixture in real time, issue an abnormal safety warning for the light hydrogen gas in case of abnormal situations such as air leakage, and avoid local enrichment of hydrogen and adjust and control the concentration of hydrogen within a lower light hydrogen gas range.
[0078] In one embodiment, the boiler burner optimized structure module includes:
[0079] A boiler combustion air flow characteristic sub-module, which is used to select the initial characteristics of the boiler combustion air flow jet according to the boiler combustion air flow data in the initial light hydrogen gas range;
[0080] A characteristic-adaptive combustion enhancement sub-module, which is used to perform self-adaptive cyclic learning on the initial characteristics of the boiler combustion air flow jet for non-rotating, direct injection and multi-jet characteristics, and continuously enhance the combustion intensity through the self-adaptive cyclic learning of the jet characteristics;
[0081] The boiler combustion system stabilization sub-module is used to enhance and stabilize the jet characteristics combustion through the boiler combustion flame stabilization unit during the process of continuously increasing the combustion intensity, so that the shallow hydrogen gas boiler system can carry out stable combustion with high combustion intensity.
[0082] The working principle of the above technical solution is that the optimized boiler burner structure module includes: a boiler combustion air flow characteristic sub-module, which is used to select the initial characteristics of the boiler combustion air flow jet according to the boiler combustion air flow data in the initial shallow hydrogen gas range; a characteristic-adaptive combustion enhancement sub-module, which is used to perform self-adaptive cyclic learning on the initial characteristics of the boiler combustion air flow jet for non-rotating, direct injection, and multi-jet characteristics, and continuously enhance the combustion intensity through the self-adaptive cyclic learning of the jet characteristics; the boiler combustion system stabilization sub-module, which is used to enhance and stabilize the jet characteristics combustion through the boiler combustion flame stabilization unit during the process of continuously increasing the combustion intensity, so that the shallow hydrogen gas boiler system can carry out stable combustion with high combustion intensity; and perform jet characteristics combustion enhancement and stabilization according to the analysis of the boiler combustion air flow characteristic data, the self-learning of the characteristic-adaptive combustion enhancement, and the stability of the boiler combustion system.
[0083] The beneficial effects of the above technical solution are that the optimized boiler burner structure module includes: a boiler combustion air flow characteristic sub-module, which is used to select the initial characteristics of the boiler combustion air flow jet according to the boiler combustion air flow data in the initial shallow hydrogen gas range; a characteristic-adaptive combustion enhancement sub-module, which is used to perform self-adaptive cyclic learning on the initial characteristics of the boiler combustion air flow jet for non-rotating, direct injection, and multi-jet characteristics, and continuously enhance the combustion intensity through the self-adaptive cyclic learning of the jet characteristics; the boiler combustion system stabilization sub-module, which is used to enhance and stabilize the jet characteristics combustion through the boiler combustion flame stabilization unit during the process of continuously increasing the combustion intensity, so that the shallow hydrogen gas boiler system can carry out stable combustion with high combustion intensity; perform jet characteristics combustion enhancement and stabilization according to the analysis of the boiler combustion air flow characteristic data, the self-learning of the characteristic-adaptive combustion enhancement, and the stability of the boiler combustion system; improve the combustion intensity of the shallow hydrogen gas boiler system and ensure the combustion stability.
[0084] In one embodiment, the hydrogenation mixing pressure stabilizing tank body sub-module includes:
[0085] The hydrogenation mixing pressure stabilizing tank body unit is used to carry out natural gas hydrogenation and pressure stabilization mixing through a pressure stabilizing tank body with an adjustable corrugated air flow inner wall;
[0086] The corrugation amplitude adjustment unit is used to change the corrugation amplitude of the adjustable corrugated air flow inner wall through an elliptical support structure;
[0087] Amplitude adjustment control power unit, used to control the rotation of the central axis of the elliptical support structure according to the control signal of the shallow hydrogen gas boiler control center, adjust the angles of the major axis and minor axis of the elliptical support structure, change the undulation amplitude of the adjustable corrugated gas inner wall, control the mixed gas flow rate, and perform natural gas hydrogenation and pressure stabilization mixing.
[0088] The working principle of the above technical solution is that the hydrogenation mixing and pressure stabilization tank sub-module includes: a hydrogenation mixing and pressure stabilization tank unit, used to perform natural gas hydrogenation and pressure stabilization mixing through a pressure stabilization tank with an adjustable corrugated gas inner wall; a corrugation amplitude adjustment unit, used to change the undulation amplitude of the adjustable corrugated gas inner wall through the elliptical support structure; an amplitude adjustment control power unit, used to control the rotation of the central axis of the elliptical support structure according to the control signal of the shallow hydrogen gas boiler control center, adjust the angles of the major axis and minor axis of the elliptical support structure, change the undulation amplitude of the adjustable corrugated gas inner wall, control the mixed gas flow rate, and perform natural gas hydrogenation and pressure stabilization mixing; according to the different lengths of the major semi-axis and minor semi-axis of the ellipse, by rotating the angle of the elliptical support structure, the undulation amplitude of the corrugated gas inner wall changes, so that the gas flow fluctuation changes and the gas flow channel changes, and natural gas hydrogenation and pressure stabilization mixing are performed.
[0089] The beneficial effects of the above technical solution are that the hydrogenation mixing and pressure stabilization tank sub-module includes: a hydrogenation mixing and pressure stabilization tank unit, used to perform natural gas hydrogenation and pressure stabilization mixing through a pressure stabilization tank with an adjustable corrugated gas inner wall; a corrugation amplitude adjustment unit, used to change the undulation amplitude of the adjustable corrugated gas inner wall through the elliptical support structure; an amplitude adjustment control power unit, used to control the rotation of the central axis of the elliptical support structure according to the control signal of the shallow hydrogen gas boiler control center, adjust the angles of the major axis and minor axis of the elliptical support structure, change the undulation amplitude of the adjustable corrugated gas inner wall, control the mixed gas flow rate, and perform natural gas hydrogenation and pressure stabilization mixing; according to the different lengths of the major semi-axis and minor semi-axis of the ellipse, by rotating the angle of the elliptical support structure, the undulation amplitude of the corrugated gas inner wall changes, so that the gas flow fluctuation changes and the gas flow channel changes, and natural gas hydrogenation and pressure stabilization mixing are performed; improve the stability of hydrogenation mixing.
[0090] In one embodiment, the mixed gas composition monitoring sub-module includes:
[0091] A gas ratio spectrum detection unit, used to sample and detect the proportion of the components of the shallow hydrogen gas mixed gas through a gas detection spectrometer;
[0092] A composition ratio comparison and analysis unit, used to compare and analyze the detected information of the shallow hydrogen gas mixed gas composition with the system-set shallow hydrogen gas mixed gas composition to obtain a mixed gas composition comparison result;
[0093] A comparison result determination and tracking unit is used to determine the comparison result of the mixed gas components, determine whether the comparison result of the mixed gas components meets the comparison range of the mixed gas components set by the system, and obtain the monitoring result of the light hydrogen gas mixed gas components.
[0094] The working principle of the above technical solution is that the mixed gas component monitoring sub-module includes:
[0095] A gas ratio spectrum detection unit is used to sample and detect the proportion of the light hydrogen gas mixed gas components through a gas detection spectrometer;
[0096] A component ratio comparison and analysis unit is used to compare and analyze the detected information of the light hydrogen gas mixed gas components with the light hydrogen gas mixed gas components set by the system to obtain the comparison result of the mixed gas components;
[0097] A comparison result determination and tracking unit is used to determine the comparison result of the mixed gas components, determine whether the comparison result of the mixed gas components meets the comparison range of the mixed gas components set by the system, and obtain the monitoring result of the light hydrogen gas mixed gas components; calculate the ratio of the light hydrogen gas mixed gas components meeting the set component threshold, and the calculation formula is as follows:
[0098]
[0099] Among them, Ptrh represents the ratio of the light hydrogen gas mixed gas components meeting the set component threshold, St-1 represents the probability density statistical value of the light hydrogen gas mixed gas components, St represents the proportional coefficient value of the light hydrogen gas mixed gas components, and β represents the probability density coefficient of the light hydrogen gas mixed gas components; by calculating the ratio of the light hydrogen gas mixed gas components meeting the set component threshold, a comparison and analysis of the detected information of the light hydrogen gas mixed gas components and the light hydrogen gas mixed gas components set by the system is carried out.
[0100] The beneficial effects of the above technical solution are as follows. The mixed gas composition monitoring sub-module includes: a gas ratio spectrum detection unit for sampling and detecting the proportion of the components of the shallow hydrogen gas mixture through a gas detection spectrometer; a composition ratio comparison and analysis unit for comparing and analyzing the detected information of the shallow hydrogen gas mixture components with the system-set shallow hydrogen gas mixture components to obtain a mixed gas composition comparison result; a comparison result determination and tracking unit for determining the mixed gas composition comparison result to determine whether the mixed gas composition comparison result meets the system-set mixed gas composition comparison range and obtaining a shallow hydrogen gas mixture composition monitoring result; calculating the ratio of the shallow hydrogen gas mixture components that meet the set composition threshold. Among them, Ptrh represents the ratio of the shallow hydrogen gas mixture components that meet the set composition threshold, St-1 represents the probability density statistical value of the shallow hydrogen gas mixture components, St represents the proportionality coefficient value of the shallow hydrogen gas mixture components, and β represents the probability density coefficient of the shallow hydrogen gas mixture components; by calculating the ratio of the shallow hydrogen gas mixture components that meet the set composition threshold, a comparison and analysis are carried out between the detected information of the shallow hydrogen gas mixture components and the system-set shallow hydrogen gas mixture components, improving the accuracy of the mixing ratio of the natural gas hydrogen-blended gas fuel.
[0101] In one embodiment, the hydrogen enrichment concentration protection sub-module includes:
[0102] An abnormal safety warning linkage unit for linking with the abnormal safety warning of the shallow hydrogen gas. When the abnormal safety warning of the shallow hydrogen gas is activated, it links the hydrogen enrichment adjustment control unit to trigger a linkage control signal;
[0103] A hydrogen enrichment adjustment control unit for linking the control center of the shallow hydrogen gas boiler to control the start of the hydrogen enrichment concentration adjustment unit through the linkage control signal;
[0104] A hydrogen enrichment concentration adjustment unit for controlling the concentration of hydrogen within a lower range of the shallow hydrogen gas; the hydrogen enrichment concentration adjustment unit includes: a gas composition monitoring result reader / writer, a mixing adjustment controller, a mixing regulator, and a fish gill-shaped adjustment piece mixing structure; the gas composition monitoring result reader / writer reads the data of the shallow hydrogen gas mixture composition monitoring result and converts it into an input interface signal of the mixing adjustment controller and transmits it to the mixing adjustment controller; the mixing adjustment controller controls the mixing regulator, and the mixing regulator drives the fish gill-shaped adjustment piece mixing structure; the fish gill-shaped adjustment piece mixing structure is composed of multiple fish gill-shaped air flow fluctuation grooves; the mixed gas flows through the fish gill-shaped partition piece mixing structure to form surface micro-vortices, making the mixing of multiple gases more uniform; controlling the concentration of hydrogen within a lower range of the shallow hydrogen gas.
[0105] The working principle of the above technical solution is that the hydrogen enrichment concentration protection sub-module includes: an abnormal safety warning linkage unit, which is used to be linked with the abnormal safety warning of shallow hydrogen gas. When the abnormal safety warning of shallow hydrogen gas is activated, it links the hydrogen enrichment adjustment control unit to trigger a linkage control signal; the hydrogen enrichment adjustment control unit is used to link the shallow hydrogen gas boiler control center through the linkage control signal to control the start of the hydrogen enrichment concentration adjustment unit; the hydrogen enrichment concentration adjustment unit is used to control the concentration of hydrogen within a lower range of shallow hydrogen gas; the hydrogen enrichment concentration adjustment unit includes: a gas component monitoring result reader / writer, a mixing adjustment controller, a mixing adjuster, and a fish gill-shaped adjustment piece mixing structure; the gas component monitoring result reader / writer reads the monitoring result data of the shallow hydrogen gas mixed gas components and converts it into an input interface signal of the mixing adjustment controller and transmits it to the mixing adjustment controller; the mixing adjustment controller controls the mixing adjuster, and the mixing adjuster drives the fish gill-shaped adjustment piece mixing structure; the fish gill-shaped adjustment piece mixing structure is composed of multiple fish gill-shaped air flow fluctuation grooves; the mixed gas flows through the fish gill-shaped partition piece mixing structure to form surface micro-vortices.
[0106] The beneficial effects of the above technical solution are that the hydrogen enrichment concentration protection sub-module includes: an abnormal safety warning linkage unit, which is used to be linked with the abnormal safety warning of shallow hydrogen gas. When the abnormal safety warning of shallow hydrogen gas is activated, it links the hydrogen enrichment adjustment control unit to trigger a linkage control signal; the hydrogen enrichment adjustment control unit is used to link the shallow hydrogen gas boiler control center through the linkage control signal to control the start of the hydrogen enrichment concentration adjustment unit; the hydrogen enrichment concentration adjustment unit is used to control the concentration of hydrogen within a lower range of shallow hydrogen gas; the hydrogen enrichment concentration adjustment unit includes: a gas component monitoring result reader / writer, a mixing adjustment controller, a mixing adjuster, and a fish gill-shaped adjustment piece mixing structure; the gas component monitoring result reader / writer reads the monitoring result data of the shallow hydrogen gas mixed gas components and converts it into an input interface signal of the mixing adjustment controller and transmits it to the mixing adjustment controller; the mixing adjustment controller controls the mixing adjuster, and the mixing adjuster drives the fish gill-shaped adjustment piece mixing structure; the fish gill-shaped adjustment piece mixing structure is composed of multiple fish gill-shaped air flow fluctuation grooves; the mixed gas flows through the fish gill-shaped partition piece mixing structure to form surface micro-vortices; it can make the mixing of various gases more uniform; and control the concentration of hydrogen within a lower range of shallow hydrogen gas to improve the gas mixing performance.
[0107] In one embodiment, the characteristic adaptation combustion enhancement sub-module includes:
[0108] A multi-jet adaptive circulation unit, which is used to perform adaptive circulation learning on the initial characteristics of the boiler combustion air jet, including non-rotating, direct injection, and multi-jet characteristics;
[0109] The boiler jet flow path structure unit is used to adjust the jet of the shallow hydrogen gas boiler through the self-adaptive shallow hydrogen gas boiler jet pipe; among them, the self-adaptive shallow hydrogen gas boiler jet pipe is located in the inner flow path of the boiler burner of the shallow hydrogen gas boiler combined cycle boiler burner. The self-adaptive shallow hydrogen gas boiler jet pipe includes a jet pipe body, and a jet pipe inner flow path is provided in the jet pipe main body. The jet pipe inner flow path is successively provided with a jet pipe straight section, a jet pipe converging section and a jet pipe diverging section. The end of the jet pipe converging section, that is, the cross-section with the smallest area in the jet pipe inner flow path, is the throat of the jet pipe inner flow path; a jet supplement pipeline and a jet baffle pipeline are provided on the jet pipe body; the inlet of the jet supplement pipeline is arranged on the outer side wall of the jet pipe body, and the outlet of the jet supplement pipeline is arranged on the inner side wall of the jet pipe body downstream of its throat; the inlet of the jet baffle pipeline is located on the inner side wall of the jet pipe body downstream of the outlet of the jet supplement pipeline, and the outlet of the jet baffle pipeline is arranged on the outer side wall of the jet pipe body;
[0110] The jet supplement adjustment setting unit is used to supplement and adjust the jet through the jet supplement pipeline and the jet baffle pipeline; based on continuously enhancing the combustion intensity; the jet supplement pipeline is an inclined pipeline. Relative to the nozzle at the end of the jet pipe diverging section of the jet pipe body, the outlet of the jet supplement pipeline is close to the nozzle, while the inlet of the jet supplement pipeline is far from the nozzle; the jet baffle pipeline is an inclined pipeline. Relative to the nozzle at the end of the jet pipe diverging section of the jet pipe body, the inlet of the jet baffle pipeline is far from the nozzle, and the outlet of the jet baffle pipeline is close to the nozzle.
[0111] The working principle of the above technical solution is that the feature-adaptive combustion enhancement sub-module includes: a multi-jet adaptive circulation unit for adaptively circulating and learning the initial features of the boiler combustion air jet, including non-rotating, direct injection, and multi-jet characteristics; a boiler jet passage structure unit for adjusting the shallow hydrogen gas boiler jet through an adaptive shallow hydrogen gas boiler jet pipe. The adaptive shallow hydrogen gas boiler jet pipe is located in the inner flow passage of the boiler burner of the shallow hydrogen gas boiler combined cycle boiler burner. The adaptive shallow hydrogen gas boiler jet pipe includes a jet pipe body, and a jet pipe inner flow passage is provided in the jet pipe main body. The jet pipe inner flow passage is successively provided with a jet pipe straight section, a jet pipe converging section, and a jet pipe diverging section. The end of the jet pipe converging section, which is also the cross-section with the smallest area in the jet pipe inner flow passage, is the throat of the jet pipe inner flow passage. A jet supplement pipeline and a jet baffle pipeline are provided on the jet pipe body. The inlet of the jet supplement pipeline is arranged on the outer side wall of the jet pipe body, and the outlet of the jet supplement pipeline is arranged on the inner side wall of the jet pipe body downstream of its throat. The inlet of the jet baffle pipeline is located on the inner side wall of the jet pipe body downstream of the outlet of the jet supplement pipeline, and the outlet of the jet baffle pipeline is arranged on the outer side wall of the jet pipe body. A jet supplement adjustment setting unit is used to supplement and adjust the jet through the jet supplement pipeline and the jet baffle pipeline to continuously enhance the combustion intensity. The jet supplement pipeline is an inclined pipeline. Relative to the nozzle at the end of the jet pipe diverging section of the jet pipe body, the outlet of the jet supplement pipeline is close to the nozzle, while the inlet of the jet supplement pipeline is far from the nozzle. The jet baffle pipeline is an inclined pipeline. Relative to the nozzle at the end of the jet pipe diverging section of the jet pipe body, the inlet of the jet baffle pipeline is far from the nozzle, and the outlet of the jet baffle pipeline is close to the nozzle. Unit settings based on the feature-adaptive combustion enhancement sub-module are carried out;
[0112] The beneficial effects of the above technical solution are as follows. The feature adaptation combustion enhancement sub-module includes: a multi-jet adaptive circulation unit for adaptively and circularly learning the initial features of the boiler combustion air jet, such as non-rotating, direct injection, and multi-jet features; a boiler jet passage structure unit for adjusting the jet of the shallow hydrogen gas boiler through an adaptive shallow hydrogen gas boiler jet pipe. Among them, the adaptive shallow hydrogen gas boiler jet pipe is located in the inner flow passage of the boiler burner of the shallow hydrogen gas boiler combined cycle boiler burner. The adaptive shallow hydrogen gas boiler jet pipe includes a jet pipe body, and a jet pipe inner flow passage is provided in the jet pipe main body. The jet pipe inner flow passage is successively provided with a jet pipe straight section, a jet pipe converging section, and a jet pipe diverging section. The end of the jet pipe converging section, that is, the throat of the jet pipe inner flow passage where the cross-section is the smallest in the jet pipe inner flow passage; a jet supplement pipeline and a jet baffle pipeline are provided on the jet pipe body; the inlet of the jet supplement pipeline is arranged on the outer side wall of the jet pipe body, and the outlet of the jet supplement pipeline is arranged on the inner side wall of the jet pipe body downstream of the throat of the jet pipe body; the inlet of the jet baffle pipeline is located on the inner side wall of the jet pipe body downstream of the outlet of the jet supplement pipeline, and the outlet of the jet baffle pipeline is arranged on the outer side wall of the jet pipe body; a jet supplement adjustment setting unit for supplementing and adjusting the jet through the jet supplement pipeline and the jet baffle pipeline; based on continuously enhancing the combustion intensity; the jet supplement pipeline is an inclined pipeline. Relative to the nozzle at the end of the jet pipe diverging section of the jet pipe body, the outlet of the jet supplement pipeline is close to the nozzle, while the inlet of the jet supplement pipeline is far from the nozzle; the jet baffle pipeline is an inclined pipeline. Relative to the nozzle at the end of the jet pipe diverging section of the jet pipe body, the inlet of the jet baffle pipeline is far from the nozzle, and the outlet of the jet baffle pipeline is close to the nozzle; perform unit setting based on the feature adaptation combustion enhancement sub-module; the combustion intensity can be further enhanced.
[0113] In one embodiment, the boiler combustion system stabilization sub-module includes:
[0114] A combustion intensity data feedback unit for feeding back the enhanced degree data of the combustion intensity to the shallow hydrogen gas boiler control center;
[0115] A feedback signal adjustment signal unit for sending the control signal issued by the shallow hydrogen gas boiler control center according to the feedback data information to the combustion signal demodulator;
[0116] A boiler combustion flame stabilization unit for stabilizing the flame during the jet feature combustion enhancement process according to the output signal of the combustion signal demodulator; the boiler combustion flame stabilization unit has a sunflower disk-shaped opening and closing nozzle, and controls the opening and closing of the nozzle in intervals to achieve stable combustion with high combustion intensity in the shallow hydrogen gas boiler system.
[0117] The working principle of the above technical solution is that the boiler combustion system stability sub-module includes: a combustion intensity data feedback unit for feeding back, according to the data of the increasing degree of combustion intensity, to the control center of the shallow hydrogen gas boiler; a feedback signal regulating signal unit for sending the control signal issued by the shallow hydrogen gas boiler control center according to the feedback data information to the combustion signal demodulator; a boiler combustion flame stability unit for stabilizing the flame during the enhanced jet characteristic combustion according to the output signal of the combustion signal demodulator; the boiler combustion flame stability unit has a sunflower-like opening and closing nozzle, which controls the opening and closing of the nozzle in intervals, so that the shallow hydrogen gas boiler system conducts stable combustion with high combustion intensity; through the feedback of combustion intensity data and the control of the sunflower-like opening and closing nozzle to open and close the nozzle in intervals;
[0118] The natural gas hydrogen mixing technical parameters of the shallow hydrogen gas boiler are shown in Table 1.
[0119] Table 1 Natural gas hydrogen mixing technical parameters of the shallow hydrogen gas boiler
[0120]
[0121] The beneficial effects of the above technical solution are that the boiler combustion system stability sub-module includes: a combustion intensity data feedback unit for feeding back, according to the data of the increasing degree of combustion intensity, to the control center of the shallow hydrogen gas boiler; a feedback signal regulating signal unit for sending the control signal issued by the shallow hydrogen gas boiler control center according to the feedback data information to the combustion signal demodulator; a boiler combustion flame stability unit for stabilizing the flame during the enhanced jet characteristic combustion according to the output signal of the combustion signal demodulator; the boiler combustion flame stability unit has a sunflower-like opening and closing nozzle, which controls the opening and closing of the nozzle in intervals, so that the shallow hydrogen gas boiler system conducts stable combustion with high combustion intensity; through the feedback of combustion intensity data and the control of the sunflower-like opening and closing nozzle to open and close the nozzle in intervals; while increasing the combustion intensity, it can also enhance the stability of combustion.
[0122] Although the embodiments of the present invention have been disclosed as above, it is not limited to only the applications listed in the specification and embodiments. It can be fully applied to various fields suitable for the present invention. For those familiar with the field, additional modifications can be easily made. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present invention is not limited to the specific details and the examples shown and described here.
Claims
1. A shallow hydrogen gas boiler, characterized in that, Including: A natural gas hydrogenation flow program control module that measures the natural gas flow in the pipeline through a mass flow meter, calculates the mixed hydrogen flow based on the natural gas hydrogen mixing ratio, and obtains the mixed data of the natural gas hydrogen mixing flow; A shallow hydrogen gas pressure stabilizing tank mixing module that controls the hydrogen flow according to the mixed data of the natural gas hydrogen mixing flow and performs natural gas hydrogenation pressure stabilizing and mixing through a pressure stabilizing tank; A natural gas pipeline safety protection module that sets up the safety protection of the pipeline for transporting hydrogen-mixed natural gas and controls the hydrogen concentration within a lower range of shallow hydrogen gas; the lower range of shallow hydrogen gas includes: in the hydrogen-mixed natural gas mixture, the mole fraction of hydrogen content is 2% - 20%; A boiler burner optimized structure module that optimizes the airflow transportation and injection characteristics of the boiler burner and performs high-combustion-intensity stable combustion with non-rotating, direct injection, and multi-jet characteristics for the combustion characteristics; The boiler burner optimized structure module includes: A boiler combustion airflow characteristic sub-module for selecting the initial characteristics of the boiler combustion airflow jet according to the boiler combustion airflow data in the initial shallow hydrogen gas range; A characteristic-adaptive combustion enhancement sub-module for performing adaptive cyclic learning on the initial characteristics of the boiler combustion airflow jet with non-rotating, direct injection, and multi-jet characteristics, and continuously enhancing the combustion intensity through the adaptive cyclic learning of the jet characteristics; A boiler combustion system stability sub-module for, during the process of continuously enhancing the combustion intensity, performing jet characteristic combustion enhancement stability through the boiler combustion flame stability unit, so that the shallow hydrogen gas boiler system performs high-combustion-intensity stable combustion; The boiler combustion system stability sub-module includes: A combustion intensity data feedback unit for feeding back the data on the enhancement degree of the combustion intensity to the shallow hydrogen gas boiler control center; A feedback signal regulating signal unit for sending the control signal issued by the shallow hydrogen gas boiler control center according to the feedback data information to the combustion signal demodulator; A boiler combustion flame stability unit for performing flame stability during the jet characteristic combustion enhancement process according to the output signal of the combustion signal demodulator; the boiler combustion flame stability unit has a sunflower disk-shaped opening and closing nozzle, controls the opening and closing of the nozzle in intervals, and the shallow hydrogen gas boiler system performs high-combustion-intensity stable combustion.
2. The shallow hydrogen gas boiler according to claim 1, characterized in that, The natural gas hydrogenation flow program control module includes: A gas mass flow measurement sub-module for measuring the natural gas flow in the pipeline in real time through a mass flow meter and obtaining the real-time measurement result of the natural gas flow; A signal conversion and mixing calculation sub-module for calculating the mixed hydrogen flow in the natural gas according to the real-time measurement result of the natural gas flow and the big data statistical analysis of the natural gas hydrogen mixing ratio; A calculation result data storage sub-module for storing the calculation result of the mixed hydrogen flow in the natural gas to obtain the mixed data of the natural gas hydrogen mixing flow.
3. A shallow hydrogen gas boiler according to claim 1, characterized in that, The shallow hydrogen gas pressure stabilizing tank mixing module includes: A flow mixing data transmission sub-module for transmitting the mixed data of the natural gas hydrogen mixing flow to the shallow hydrogen gas boiler pressure stabilizing conversion control signal sub-module; A pressure stabilizing conversion control signal sub-module for converting the mixed data of the natural gas hydrogen mixing flow into a control trigger electric signal through a data signal conversion unit and connecting and sending the control trigger electric signal to the shallow hydrogen gas boiler control center; Hydrogenation mixing and pressure stabilizing tank sub-module, which is used to carry out natural gas hydrogenation, pressure stabilizing and mixing through a hydrogenation mixing and pressure stabilizing tank according to the control signal of the shallow hydrogen gas boiler control center.
4. A shallow hydrogen gas boiler according to claim 1, characterized in that, The natural gas pipeline safety protection module includes: Mixed gas component monitoring sub-module, which is used to detect and monitor the components of the shallow hydrogen gas mixed gas in real time through gas component spectrum detection, and obtain the monitoring results of the shallow hydrogen gas mixed gas components; Monitoring and warning safety control sub-module, which is used to compare the monitoring results of the shallow hydrogen gas mixed gas components with the set shallow hydrogen gas mixed gas components of the shallow hydrogen gas boiler system, and control the issuance of a shallow hydrogen gas abnormal safety warning when the comparison state does not match the set shallow hydrogen gas mixed gas components; Hydrogen enrichment concentration protection sub-module, which is used to start the hydrogen enrichment concentration adjustment unit according to the shallow hydrogen gas abnormal safety warning to control the hydrogen concentration within a lower shallow hydrogen gas range.
5. A shallow hydrogen gas boiler according to claim 3, characterized in that, The hydrogenation mixing and pressure stabilizing tank sub-module includes: Hydrogenation mixing and pressure stabilizing tank unit, which is used to carry out natural gas hydrogenation, pressure stabilizing and mixing through a pressure stabilizing tank with an adjustable corrugated air flow inner wall; Corrugation amplitude adjustment unit, which is used to change the corrugation amplitude of the adjustable corrugated air flow inner wall through an elliptical support structure; Amplitude adjustment control power unit, which is used to control the rotation of the central axis of the elliptical support structure according to the control signal of the shallow hydrogen gas boiler control center, adjust the angles of the major axis and minor axis of the ellipse of the elliptical support structure, change the corrugation amplitude of the adjustable corrugated air flow inner wall, control the mixed air flow speed, and carry out natural gas hydrogenation, pressure stabilizing and mixing.
6. The light hydrogen gas boiler according to claim 4, characterized in that, The mixed gas component monitoring sub-module includes: Gas ratio spectrum detection unit, which is used to sample and detect the proportion of the components of the shallow hydrogen gas mixed gas through a gas detection spectrometer; Component ratio comparison and analysis unit, which is used to compare and analyze the detected information of the shallow hydrogen gas mixed gas components with the set shallow hydrogen gas mixed gas components of the system to obtain the mixed gas component comparison result; Comparison result determination and tracking unit, which is used to determine the mixed gas component comparison result, determine whether the mixed gas component comparison result meets the system-set mixed gas component comparison range, and obtain the monitoring results of the shallow hydrogen gas mixed gas components.
7. A shallow hydrogen gas boiler according to claim 4, characterized in that, The hydrogen enrichment concentration protection sub-module includes: Abnormal safety warning linkage unit, which is used to be linked with the shallow hydrogen gas abnormal safety warning. When the shallow hydrogen gas abnormal safety warning is started, the hydrogen enrichment adjustment control unit is triggered to issue a linkage control signal; Hydrogen enrichment adjustment control unit, which is used to link and control the start of the hydrogen enrichment concentration adjustment unit through the linkage control signal of the shallow hydrogen gas boiler control center; A hydrogen enrichment concentration adjustment unit is used to control the concentration of hydrogen within a lower range of shallow hydrogen fuel gas. The hydrogen enrichment concentration adjustment unit includes: a gas component monitoring result reader / writer, a mixing adjustment controller, a mixing regulator, and a fish gill-shaped adjustment vane mixing structure. The gas component monitoring result reader / writer reads the data of the monitoring results of the shallow hydrogen fuel gas mixture components and converts it into an input interface signal of the mixing adjustment controller for transmission to the mixing adjustment controller. The mixing adjustment controller controls the mixing regulator, and the mixing regulator drives the fish gill-shaped adjustment vane mixing structure. The fish gill-shaped adjustment vane mixing structure is composed of multiple fish gill-shaped air flow fluctuation grooves. The mixed gas flows through the fish gill-shaped partition vane mixing structure to form surface micro-vortices, making the mixing of various gases more uniform. The concentration of hydrogen is controlled within a lower range of shallow hydrogen fuel gas.
8. A shallow hydrogen gas boiler according to claim 1, characterized in that, The described feature adaptation combustion enhancer module includes: A multi-jet self-adaptive circulation unit is used to perform self-adaptive circulation learning on the initial characteristics of the boiler combustion air jet, including non-rotating, direct injection, and multi-jet characteristics. A boiler jet passage structure unit is used to adjust the shallow hydrogen fuel gas boiler jet through an adaptive shallow hydrogen fuel gas boiler jet pipe. Among them, the adaptive shallow hydrogen fuel gas boiler jet pipe is located in the inner flow passage of the boiler burner of the shallow hydrogen fuel gas boiler combined cycle boiler burner. The adaptive shallow hydrogen fuel gas boiler jet pipe includes a jet pipe body. There is a jet pipe inner flow passage in the jet pipe main body. The jet pipe inner flow passage is successively provided with a jet pipe straight section, a jet pipe converging section, and a jet pipe diverging section. The end of the jet pipe converging section, which is also the minimum cross-sectional area of the jet pipe inner flow passage, is the throat of the jet pipe inner flow passage. A jet supplement pipeline and a jet baffle pipeline are provided on the jet pipe body. The inlet of the jet supplement pipeline is arranged on the outer side wall of the jet pipe body, and the outlet of the jet supplement pipeline is arranged on the inner side wall of the jet pipe body downstream of its throat. The inlet of the jet baffle pipeline is located on the inner side wall of the jet pipe body downstream of the outlet of the jet supplement pipeline, and the outlet of the jet baffle pipeline is arranged on the outer side wall of the jet pipe body. A jet supplement adjustment setting unit is used to supplement and adjust the jet through the jet supplement pipeline and the jet baffle pipeline, based on continuously enhancing the combustion intensity. The jet supplement pipeline is an inclined pipeline. Relative to the nozzle at the end of the jet pipe diverging section of the jet pipe body, the outlet of the jet supplement pipeline is close to the nozzle, while the inlet of the jet supplement pipeline is far from the nozzle. The jet baffle pipeline is an inclined pipeline. Relative to the nozzle at the end of the jet pipe diverging section of the jet pipe body, the inlet of the jet baffle pipeline is far from the nozzle, and the outlet of the jet baffle pipeline is close to the nozzle.
Citation Information
Patent Citations
Boiler combination jet flow motion trail regulation and control method and device
CN119106835A