CN114909672A - Shallow hydrogen gas boiler - Google Patents

Abstract

The invention discloses a shallow hydrogen gas-fired boiler, comprising: a natural gas hydrogenation flow program control module, which measures the natural gas flow in a pipeline through a mass flow meter, calculates the mixed hydrogen flow according to the natural gas mixing ratio, and obtains the natural gas mixed hydrogen flow mixing data; shallow hydrogen The gas pressure stabilizer tank mixing module controls the hydrogen flow according to the natural gas mixed hydrogen flow mixing data, and conducts natural gas hydrogenation and pressure stabilization mixing through the pressure stabilizer tank; the natural gas pipeline safety protection module sets up the safety protection of the natural gas pipeline transportation mixed hydrogen, and controls the concentration of hydrogen in Lower shallow hydrogen gas range; optimized structure module of boiler burner, optimized airflow delivery and injection characteristics through boiler burner, high combustion intensity and stable combustion of non-rotation, direct injection and multi-jet characteristics of combustion characteristics.

Description

A shallow hydrogen gas boiler

technical field

The invention relates to the technical field of new energy energy saving precision control, and more particularly, the invention relates to a shallow hydrogen gas boiler.

Background technique

At this stage, many domestic energy companies are also trying and deploying hydrogen blending in natural gas pipeline networks, trying to break through the bottleneck of natural gas hydrogen blending technology, accumulating relevant data on natural gas hydrogen blending and pipeline adaptability, specifications and standards for hydrogen blending in natural gas pipelines, and promoting natural gas hydrogen blending. The upgrading of the energy industry system will help China take the initiative to win the first opportunity in the process of the third round of energy replacement in the world; the new energy system represented by the Integrated Energy System (IES) hydrogen energy system has received extensive attention and research; hydrogen energy is the supporting energy system One of the important secondary energy sources for low-carbon transition, as a fuel and raw material for production, it has broad application prospects in the fields of electricity, thermal energy, industry and transportation in the future; as a medium for large-scale, cross-season energy storage, hydrogen energy It can be used as a demand-side resource to resist risks such as power grid failure, load peak and energy shortage; there are currently the following problems: how to accurately calculate the flow of mixed hydrogen, how to conduct natural gas hydrogenation and stabilized mixing, how to protect natural gas pipelines and control the concentration of hydrogen in Problems such as lower shallow hydrogen gas range and boiler burner optimization; 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

A series of concepts in simplified form are introduced in the Summary of the Invention, which will be described in further detail in the Detailed Description; the Summary of the Invention is not meant to attempt to limit the key features and essential features of the claimed technical solution Technical features, let alone an attempt to determine the protection scope of the claimed technical solution.

In order to at least partially solve the above problems, the present invention provides a shallow hydrogen gas-fired boiler, comprising:

The natural gas hydrogenation flow program control module measures the natural gas flow in the pipeline through the mass flowmeter, calculates the mixed hydrogen flow according to the natural gas hydrogen mixing ratio, and obtains the natural gas mixed hydrogen flow mixing data;

The shallow hydrogen gas pressure stabilizer tank mixing module controls the hydrogen flow according to the natural gas mixed hydrogen flow mixing data and conducts natural gas hydrogenation and pressure stabilization through the pressure stabilizer tank;

Natural gas pipeline safety protection module, set up safety protection of natural gas pipelines transporting mixed hydrogen, and control the concentration of hydrogen in the lower shallow hydrogen gas range;

The boiler burner optimization structure module optimizes the airflow delivery and injection characteristics through the boiler burner, and performs stable combustion with high combustion intensity of non-rotation, direct injection and multi-jet characteristics for the combustion characteristics.

Preferably, the natural gas hydrogenation flow program control module includes:

The gas mass flow measurement sub-module is used to measure the natural gas flow in the pipeline in real time through the mass flow meter, and obtain the real-time measurement result of the natural gas flow;

The signal conversion and mixing calculation sub-module is used to calculate the mixed hydrogen flow in natural gas according to the real-time measurement results of natural gas flow and the statistical analysis of big data of natural gas mixed hydrogen ratio;

The calculation result data storage submodule is used to store the calculation result of the mixed hydrogen flow in natural gas to obtain the mixed data of natural gas mixed hydrogen flow.

Preferably, the shallow hydrogen gas surge tank mixing module includes:

The flow mixed data transmission sub-module is used to transmit the natural gas mixed hydrogen flow mixed data to the shallow hydrogen gas boiler voltage regulation conversion control signal sub-module;

The voltage regulation conversion control signal sub-module is used to convert the mixed data of natural gas mixed hydrogen flow into a control trigger electric signal through the data signal conversion unit, and connect and send the control trigger electric signal to the shallow hydrogen gas boiler control center;

Hydrogenation mixed pressure stabilizer tank sub-module is used to conduct natural gas hydrogenation pressure stabilizer mixing through the hydrogenation mixed stabilizer tank according to the control signal of the shallow hydrogen gas boiler control center.

Preferably, the natural gas pipeline safety protection module includes:

The mixed gas composition monitoring sub-module is used to detect, monitor and track the light hydrogen gas mixed gas composition in real time through gas composition spectral detection, and obtain the monitoring results of the light hydrogen gas mixed gas composition;

The monitoring and warning safety control sub-module is used to compare the monitoring results of the shallow hydrogen gas mixture with the shallow hydrogen gas mixture set in the shallow hydrogen gas boiler system, and when the comparison state is inconsistent with the set shallow hydrogen gas mixture Control the abnormal safety warning of shallow hydrogen gas;

The hydrogen enrichment concentration protection sub-module is used to start the hydrogen enrichment concentration adjustment unit according to the abnormal safety warning of shallow hydrogen gas to control the concentration of hydrogen in the lower shallow hydrogen gas range.

Preferably, the optimized structure module of the boiler burner includes:

The boiler combustion airflow feature sub-module is used to select the initial characteristics of the boiler combustion airflow jet according to the initial shallow hydrogen gas range boiler combustion airflow data;

The feature-adaptive combustion enhancement sub-module is used to perform adaptive cyclic learning of cyclone, direct injection and multi-jet features for the initial characteristics of the boiler combustion air jet, and continuously enhance the combustion intensity through the adaptive cyclic learning of jet characteristics;

The boiler combustion system stabilization sub-module is used to enhance and stabilize the jet characteristic combustion through the boiler combustion flame stabilization unit in the process of continuously enhancing the combustion intensity, so that the shallow hydrogen gas boiler system can perform stable combustion with high combustion intensity.

Preferably, the hydrogenation mixed pressure-stabilizing tank sub-module includes:

Hydrogenation mixing pressure-stabilizing tank unit is used for hydrogenation and pressure-stabilizing mixing of natural gas through a pressure-stabilizing tank with an adjustable corrugated gas flow inner wall;

The corrugated fluctuation amplitude adjustment unit is used to change the corrugated fluctuation amplitude of the inner wall of the adjustable corrugated airflow through the elliptical support structure;

The amplitude adjustment control power unit 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 ellipse major axis and the ellipse minor axis of the elliptical support structure, and change the inner wall of the adjustable corrugated airflow. The fluctuating amplitude of the corrugation is controlled, and the speed of the mixed gas flow is controlled, and the natural gas hydrogenation is stabilized and mixed.

Preferably, the mixed gas composition monitoring sub-module includes:

The gas proportion spectrum detection unit is used to sample and detect the proportion of the gas mixture of shallow hydrogen and gas through the gas detection spectrometer;

The composition ratio comparison and analysis unit is used to compare and analyze the composition of the shallow hydrogen gas mixture according to the detection information of the light hydrogen gas mixture and the composition of the shallow hydrogen gas mixture set by the system, so as to obtain the comparison result of the mixture gas composition;

The comparison result judgment tracking unit is used to judge the mixed gas composition comparison result, determine whether the mixed gas composition comparison result conforms to the mixed gas composition comparison range set by the system, and obtain the light hydrogen gas mixed gas composition monitoring result.

Preferably, the hydrogen enrichment concentration protection sub-module includes:

The abnormal safety warning linkage unit is used for linkage with the shallow hydrogen gas abnormal safety warning. When the shallow hydrogen gas abnormal safety warning is activated, the linkage hydrogen enrichment adjustment control unit triggers the linkage control signal;

The hydrogen enrichment adjustment control unit is used to control and start the hydrogen enrichment concentration adjustment unit by linking the control center of the shallow hydrogen gas boiler with the linkage control signal;

The hydrogen enrichment concentration adjustment unit is used to control the concentration of hydrogen in the lower shallow hydrogen gas range; the hydrogen enrichment concentration adjustment unit includes: gas composition monitoring result reader, mixing adjustment controller, mixing regulator, fish Gill-shaped adjustment piece mixing structure; the gas composition monitoring result reader reads the light hydrogen gas mixed gas composition monitoring result data and converts it into the input interface signal of the mixing adjustment controller and transmits it to the mixing adjustment controller; the mixing adjustment control The mixer controls the mixing regulator, and the mixing regulator drives the fish gill-shaped adjustment piece to mix the structure; the fish gill-shaped adjustment piece mixing structure is composed of multiple gill-shaped airflow fluctuating grooves; the mixed gas flows through the fish gill-shaped partition piece The mixing structure forms a micro-vortex on the surface, and the mixing of various gases is more uniform; the concentration of hydrogen is controlled in the lower shallow hydrogen gas range.

Preferably, the feature-adapted combustion enhancement sub-module includes:

The multi-jet adaptive cycle unit is used to perform adaptive cycle learning of non-swirl, direct injection and multi-jet features for the initial characteristics of the boiler combustion airflow;

A boiler jet passage structural unit for adjusting the jet flow of the shallow hydrogen gas boiler through the adaptive shallow hydrogen gas boiler jet pipe; wherein the adaptive shallow hydrogen gas boiler jet pipe is located in the boiler burner of the combined cycle boiler burner of the shallow hydrogen gas boiler In the flow channel, the adaptive shallow hydrogen gas boiler jet tube includes a jet tube body, and the jet tube body is provided with a jet tube inner flow channel, and the jet tube inner flow channel is sequentially provided with a jet tube straight section, a jet tube convergence section and a jet tube expansion section , the end of the converging section of the jet tube, that is, the smallest cross-section of the flow channel in the jet tube, is the throat of the flow channel in the jet tube; the jet tube body is provided with a jet supplementary pipeline and a jet baffle pipeline; the jet supplement The inlet of the pipeline is arranged on the outer side wall of the jet tube body, and the outlet of the jet supplementary pipeline is arranged on the inner wall of the jet tube body downstream of the throat of the jet tube body; the inlet of the jet baffle pipeline is located in the jet supplement On the inner side wall of the jet pipe body downstream of the outlet of the pipeline, the outlet of the jet baffle pipeline is arranged on the outer side wall of the jet pipe body;

The jet supplementary adjustment setting unit is used to supplement the jet flow through the jet supplementary pipeline and the jet baffle pipeline; based on the continuous enhancement of the combustion intensity; the jet supplementary pipeline is an inclined pipeline, and its jet flow relative to the jet tube body The nozzle at the end of the pipe expansion section, the outlet of the jet supplementary pipe is close to the nozzle, and the inlet of the jet supplementary pipe is far away from the nozzle; the jet baffle pipe is an inclined pipe, and the end of the jet pipe expansion section is opposite to the jet pipe body. The inlet of the jet baffle pipeline is far away from the nozzle, and the outlet of the jet baffle pipeline is close to the nozzle.

Preferably, the boiler combustion system stabilization sub-module includes:

The combustion intensity data feedback unit is used to feed back to the shallow hydrogen gas boiler control center according to the data of the enhancement degree of combustion intensity;

The feedback signal adjustment signal unit is used to send the control signal sent by the shallow hydrogen gas boiler control center according to the feedback data information to the combustion signal demodulator;

The boiler combustion flame stabilization unit is used for flame stabilization in the process of jet characteristic combustion enhancement according to the output signal of the combustion signal demodulator; the boiler combustion flame stabilization unit has a sunflower disc-shaped opening and closing nozzle, and the control nozzles are spaced apart Combined, the shallow hydrogen gas boiler system can carry out high combustion intensity and stable combustion.

Compared with the prior art, the present invention at least includes the following beneficial effects:

The beneficial effects of the above technical solutions are that the present invention provides a shallow hydrogen gas-fired boiler, comprising: a natural gas hydrogenation flow program control module, which measures the natural gas flow in the pipeline through a mass flow meter, calculates the mixed hydrogen flow according to the natural gas mixing ratio, and obtains natural gas. Mixed hydrogen flow mixing data; shallow hydrogen gas pressure tank mixing module, according to the natural gas mixed hydrogen flow mixing data to control the hydrogen flow and conduct natural gas hydrogenation and pressure mixing through the pressure stabilization tank; natural gas pipeline safety protection module, set up a pipeline for transporting mixed hydrogen natural gas Safety protection, control the concentration of hydrogen in the shallow hydrogen gas range; optimize the structure module of the boiler burner, optimize the airflow delivery and injection characteristics through the boiler burner, and carry out high combustion intensity of non-rotation, direct injection and multi-jet characteristics for the combustion characteristics Stable combustion; the flow of natural gas is measured by a high-precision mass flow meter to obtain more accurate data of the flow of natural gas in the pipeline; according to the measurement results, the hydrogen flow is calculated according to the required hydrogen mixing ratio, and then the flow of natural gas is calculated by the next-level high-precision meter. The mass flow controller controls the flow of hydrogen, and finally mixes it through the mixer stabilizer tank, so as to achieve the required hydrogen mixing ratio and further control it accurately; emergency shut-off valve and explosion-proof electric control valve are set on the gas pipeline to improve system safety and explosion-proof performance; according to the influence of the injection of hydrogen into the natural gas pipeline, analyze the hydrogen volume fraction and pipeline air pressure; accurate parameter analysis can further improve the comprehensive performance index and energy efficiency utilization rate of the system; through the improvement of combustion characteristics and the structure of the burner Optimize and improve thermal efficiency; achieve stable combustion at high combustion intensity for micro-mixed combustion with non-rotation, direct injection, and multi-jet characteristics.

For a shallow hydrogen gas fired boiler according to the present invention, other advantages, objectives and features of the present invention will partly be embodied by the following description, and partly will be understood by those skilled in the art through the study and practice of the present invention.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

FIG. 1 is a block diagram of a shallow hydrogen gas-fired boiler system according to the present invention.

FIG. 2 is a diagram of Embodiment 1 of a shallow hydrogen gas-fired boiler according to the present invention.

FIG. 3 is a diagram of Embodiment 2 of a shallow hydrogen gas-fired boiler according to the present invention.

Detailed ways

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 description; as shown in Figures 1-3, the present invention provides a shallow hydrogen gas boiler, including:

The natural gas hydrogenation flow program control module measures the natural gas flow in the pipeline through the mass flowmeter, calculates the mixed hydrogen flow according to the natural gas hydrogen mixing ratio, and obtains the natural gas mixed hydrogen flow mixing data;

The shallow hydrogen gas pressure stabilizer tank mixing module controls the hydrogen flow according to the natural gas mixed hydrogen flow mixing data and conducts natural gas hydrogenation and pressure stabilization through the pressure stabilizer tank;

Natural gas pipeline safety protection module, set up safety protection of natural gas pipelines transporting mixed hydrogen, and control the concentration of hydrogen in the lower shallow hydrogen gas range;

The boiler burner optimization structure module optimizes the airflow delivery and injection characteristics through the boiler burner, and performs stable combustion with high combustion intensity of non-rotation, direct injection and multi-jet characteristics for the combustion characteristics.

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, measuring the natural gas flow in the pipeline through a mass flow meter, calculating the mixed hydrogen flow according to the natural gas mixing ratio, and obtaining the natural gas Mixed hydrogen flow mixing data; shallow hydrogen gas pressure tank mixing module, according to the natural gas mixed hydrogen flow mixing data to control the hydrogen flow and conduct natural gas hydrogenation and pressure mixing through the pressure stabilization tank; natural gas pipeline safety protection module, set up a pipeline for transporting mixed hydrogen natural gas Safety protection, control the concentration of hydrogen in the shallow hydrogen gas range; optimize the structure module of the boiler burner, optimize the airflow delivery and injection characteristics through the boiler burner, and carry out high combustion intensity of non-rotation, direct injection and multi-jet characteristics for the combustion characteristics stable combustion;

The flow of natural gas in the pipeline is measured by a high-precision mass flowmeter, and the hydrogen flow is calculated according to the required hydrogen mixing ratio according to the measurement results. In order to achieve the required hydrogen mixing ratio, an emergency shut-off valve and an explosion-proof electric control valve are set on the gas pipeline; according to the influence of hydrogen injection in the natural gas pipeline on the pipeline, analyze the hydrogen volume fraction and pipeline air pressure; When the volume fraction of hydrogen injected into the natural gas pipeline is less than 10%, the operating pressure of the pipeline should be less than 7.7MPa; when the volume fraction of hydrogen is greater than 10%, the operating pressure of the pipeline should be less than 5.38MPa; by improving the combustion characteristics and optimizing the burner structure Improve thermal efficiency; achieve stable combustion at high combustion intensity for micro-mixed combustion with non-rotation, direct injection, and multi-jet characteristics.

The beneficial effects of the above technical solutions are that the present invention provides a shallow hydrogen gas-fired boiler, comprising: a natural gas hydrogenation flow program control module, which measures the natural gas flow in the pipeline through a mass flow meter, calculates the mixed hydrogen flow according to the natural gas mixing ratio, and obtains natural gas. Mixed hydrogen flow mixing data; shallow hydrogen gas pressure tank mixing module, according to the natural gas mixed hydrogen flow mixing data to control the hydrogen flow and conduct natural gas hydrogenation and pressure mixing through the pressure stabilization tank; natural gas pipeline safety protection module, set up a pipeline for transporting mixed hydrogen natural gas Safety protection, control the concentration of hydrogen in the shallow hydrogen gas range; optimize the structure module of the boiler burner, optimize the airflow delivery and injection characteristics through the boiler burner, and carry out high combustion intensity of non-rotation, direct injection and multi-jet characteristics for the combustion characteristics Stable combustion; the flow of natural gas is measured by a high-precision mass flow meter to obtain more accurate data of the flow of natural gas in the pipeline; according to the measurement results, the hydrogen flow is calculated according to the required hydrogen mixing ratio, and then the flow of natural gas is calculated by the next-level high-precision meter. The mass flow controller controls the flow of hydrogen, and finally mixes it through the mixer stabilizer tank, so as to achieve the required hydrogen mixing ratio and further control it accurately; emergency shut-off valve and explosion-proof electric control valve are set on the gas pipeline to improve system safety and explosion-proof Performance; In view of the influence of hydrogen injection into the pipeline, analyze the hydrogen volume fraction and pipeline pressure; when the volume fraction of hydrogen injected into the natural gas pipeline is less than 10%, the pipeline operating pressure should be less than 7.7MPa; when the hydrogen volume fraction When it is greater than 10%, the operating pressure of the pipeline should be less than 5.38MPa; accurate parameter analysis can further improve the comprehensive performance index and energy efficiency utilization rate of the system; improve the thermal efficiency by improving the combustion characteristics and optimizing the burner structure; Micro-mixed combustion with direct injection and multi-jet features achieves stable combustion at high combustion intensity.

In one embodiment, the natural gas hydrogenation flow program control module includes:

The gas mass flow measurement sub-module is used to measure the natural gas flow in the pipeline in real time through the mass flow meter, and obtain the real-time measurement result of the natural gas flow;

The signal conversion and mixing calculation sub-module is used to calculate the mixed hydrogen flow in natural gas according to the real-time measurement results of natural gas flow and the statistical analysis of big data of natural gas mixed hydrogen ratio;

The calculation result data storage submodule is used to store the calculation result of the mixed hydrogen flow in natural gas to obtain the mixed data of natural gas mixed hydrogen flow.

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, which is used to measure the natural gas flow in the pipeline in real time through the mass flow meter, and obtain the real-time measurement result of the natural gas flow; The module is used to calculate the mixed hydrogen flow in natural gas according to the real-time measurement results of natural gas flow and the big data statistical analysis of the natural gas hydrogen mixing ratio; the calculation result data storage sub-module is used to store the calculation results of the mixed hydrogen flow in natural gas to obtain the natural gas mixed hydrogen Flow mixing data; the gas mass flow measurement accuracy is high, and the natural gas hydrogen mixing ratio is better in the big data statistical analysis of the natural gas hydrogen mixing ratio.

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, which is used to measure the natural gas flow in the pipeline in real time through the mass flow meter, and obtain the real-time measurement result of the natural gas flow; The module is used to calculate the mixed hydrogen flow in natural gas according to the real-time measurement results of natural gas flow and the big data statistical analysis of the natural gas hydrogen mixing ratio; the calculation result data storage sub-module is used to store the calculation results of the mixed hydrogen flow in natural gas to obtain the natural gas mixed hydrogen Flow mixing data; gas mass flow measurement accuracy is high, natural gas hydrogen mixing ratio big data statistical analysis of the better natural gas hydrogen mixing ratio in big data; it can improve the natural gas flow measurement accuracy and real-time performance, and obtain a better natural gas hydrogen mixing ratio.

In one embodiment, the shallow hydrogen gas surge tank mixing module includes:

The flow mixed data transmission sub-module is used to transmit the natural gas mixed hydrogen flow mixed data to the shallow hydrogen gas boiler voltage regulation conversion control signal sub-module;

The voltage regulation conversion control signal sub-module is used to convert the mixed data of natural gas mixed hydrogen flow into a control trigger electric signal through the data signal conversion unit, and connect and send the control trigger electric signal to the shallow hydrogen gas boiler control center;

Hydrogenation mixed pressure stabilizer tank sub-module is used to conduct natural gas hydrogenation pressure stabilizer mixing through the hydrogenation mixed stabilizer tank according to the control signal of the shallow hydrogen gas boiler control center.

The working principle of the above technical solution is that the shallow hydrogen gas pressure tank mixing module includes: a flow mixing data transmission sub-module for transmitting the natural gas mixed hydrogen flow mixing data to the shallow hydrogen gas boiler pressure stabilization conversion control signal sub-module; The voltage stabilization conversion control signal sub-module is used to convert the natural gas mixed hydrogen flow mixed data into a control trigger electrical signal through the data signal conversion unit, and connect and send the control trigger electrical signal to the control center of the shallow hydrogen gas boiler; hydrogenation hybrid stabilization tank The body sub-module is used to conduct natural gas hydrogenation and pressure-stabilization mixing through the hydrogenation mixing pressure tank according to the control signal of the shallow hydrogen gas boiler control center; Hydrogenated pressurized mixing.

The beneficial effects of the above technical solutions are that the shallow hydrogen gas pressure stabilization tank mixing module includes: a flow mixing data transmission sub-module for transmitting the natural gas mixed hydrogen flow mixing data to the shallow hydrogen gas boiler pressure stabilization conversion control signal sub-module; The voltage stabilization conversion control signal sub-module is used to convert the natural gas mixed hydrogen flow mixed data into a control trigger electrical signal through the data signal conversion unit, and connect and send the control trigger electrical signal to the control center of the shallow hydrogen gas boiler; hydrogenation hybrid stabilization tank The body sub-module is used to conduct natural gas hydrogenation and pressure-stabilization mixing through the hydrogenation mixing pressure tank according to the control signal of the shallow hydrogen gas boiler control center; Hydrogenation stabilized mixing; can improve the stability of natural gas hydrogenation.

In one embodiment, the natural gas pipeline safety protection module includes:

The mixed gas composition monitoring sub-module is used to detect, monitor and track the light hydrogen gas mixed gas composition in real time through gas composition spectral detection, and obtain the monitoring results of the light hydrogen gas mixed gas composition;

The monitoring and warning safety control sub-module is used to compare the monitoring results of the shallow hydrogen gas mixture with the shallow hydrogen gas mixture set in the shallow hydrogen gas boiler system, and when the comparison state is inconsistent with the set shallow hydrogen gas mixture Control the abnormal safety warning of shallow hydrogen gas;

The hydrogen enrichment concentration protection sub-module is used to start the hydrogen enrichment concentration adjustment unit according to the abnormal safety warning of shallow hydrogen gas to control the concentration of hydrogen in the lower shallow hydrogen gas range.

The working principle of the above technical solution is that the natural gas pipeline safety protection module includes: a mixed gas composition monitoring sub-module, which is used for real-time detection, monitoring and tracking of the shallow hydrogen gas mixed gas composition through gas composition spectral detection, so as to obtain the shallow hydrogen gas mixed gas Component monitoring results; the monitoring and warning safety control sub-module is used to compare the monitoring results of the shallow hydrogen gas mixture with the shallow hydrogen gas mixture set in the shallow hydrogen gas boiler system, and mix it with the set shallow hydrogen gas in the comparison state. When the gas composition does not match, the control will issue an abnormal safety warning of shallow hydrogen gas; the hydrogen enrichment concentration protection sub-module is used to start the hydrogen enrichment concentration adjustment unit according to the abnormal safety warning of shallow hydrogen gas to control the concentration of hydrogen in the lower shallow hydrogen gas range; If the gas density difference of a single structure pipeline is too large, it is easy to cause uneven gas composition. According to the infrared spectrum detection of gas composition, real-time detection, monitoring and tracking of the gas composition of shallow hydrogen gas mixture are performed.

The beneficial effect 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 for real-time detection, monitoring and tracking of the shallow hydrogen gas mixed gas composition through gas component spectral detection, so as to obtain the shallow hydrogen gas mixed gas Component monitoring results; the monitoring and warning safety control sub-module is used to compare the monitoring results of the shallow hydrogen gas mixture with the shallow hydrogen gas mixture set in the shallow hydrogen gas boiler system, and mix it with the set shallow hydrogen gas in the comparison state. When the gas composition does not match, the control will issue an abnormal safety warning of shallow hydrogen gas; the hydrogen enrichment concentration protection sub-module is used to start the hydrogen enrichment concentration adjustment unit according to the abnormal safety warning of shallow hydrogen gas to control the concentration of hydrogen in the lower shallow hydrogen gas range; If the gas density difference of a single structure pipeline is too large, it is easy to cause uneven gas composition. According to the infrared spectrum detection of gas composition, real-time detection, monitoring and tracking of shallow hydrogen gas mixture gas composition can be performed; In case of abnormal conditions such as gas, the abnormal safety warning of shallow hydrogen gas is carried out to avoid local enrichment of hydrogen by adjusting and controlling the concentration of hydrogen in the lower shallow hydrogen gas range.

In one embodiment, the boiler burner optimization structure module includes:

The boiler combustion airflow feature sub-module is used to select the initial characteristics of the boiler combustion airflow jet according to the initial shallow hydrogen gas range boiler combustion airflow data;

The feature-adaptive combustion enhancement sub-module is used to perform adaptive cyclic learning of cyclone, direct injection and multi-jet features for the initial characteristics of the boiler combustion air jet, and continuously enhance the combustion intensity through the adaptive cyclic learning of jet characteristics;

The boiler combustion system stabilization sub-module is used to enhance and stabilize the jet characteristic combustion through the boiler combustion flame stabilization unit in the process of continuously enhancing the combustion intensity, so that the shallow hydrogen gas boiler system can perform stable combustion with high combustion intensity.

The working principle of the above technical solution is that the boiler burner optimization structure module includes: a boiler combustion airflow feature sub-module for selecting the initial characteristics of the boiler combustion airflow jet according to the initial shallow hydrogen gas range boiler combustion airflow data; the feature adapts to the combustion enhancement. The sub-module is used for adaptive cyclic learning of cyclone, direct injection and multi-jet features for the initial characteristics of the boiler combustion air jet, and the combustion intensity is continuously enhanced through the adaptive cyclic learning of the jet characteristics; the boiler combustion system stabilization sub-module is used in the In the process of continuously enhancing the combustion intensity, the jet characteristic combustion is enhanced and stabilized by the boiler combustion flame stabilization unit, so that the shallow hydrogen gas boiler system can perform stable combustion with high combustion intensity; according to the characteristic data analysis of the boiler combustion airflow, the characteristic adaptation of combustion enhancement self-learning and boiler combustion The system is stabilized for jet characteristic combustion enhancement and stabilization.

The beneficial effect of the above technical solution is that the boiler burner optimization structure module includes: a boiler combustion airflow feature sub-module for selecting the initial characteristics of the boiler combustion airflow jet according to the initial shallow hydrogen gas range boiler combustion airflow data; the feature adapts to the combustion enhancement The sub-module is used for adaptive cyclic learning of cyclone, direct injection and multi-jet features for the initial characteristics of the boiler combustion air jet, and the combustion intensity is continuously enhanced through the adaptive cyclic learning of the jet characteristics; the boiler combustion system stabilization sub-module is used in the In the process of continuously enhancing the combustion intensity, the jet characteristic combustion is enhanced and stabilized by the boiler combustion flame stabilization unit, so that the shallow hydrogen gas boiler system can perform stable combustion with high combustion intensity; according to the characteristic data analysis of the boiler combustion airflow, the characteristic adaptation of combustion enhancement self-learning and boiler combustion The system stably performs jet characteristic combustion enhancement and stability; improves the combustion intensity of the shallow hydrogen gas boiler system, and can ensure the combustion stability.

In one embodiment, the hydrogenation hybrid surge tank sub-module includes:

Hydrogenation mixing pressure-stabilizing tank unit is used for hydrogenation and pressure-stabilizing mixing of natural gas through a pressure-stabilizing tank with an adjustable corrugated gas flow inner wall;

The corrugated fluctuation amplitude adjustment unit is used to change the corrugated fluctuation amplitude of the inner wall of the adjustable corrugated airflow through the elliptical support structure;

The amplitude adjustment control power unit 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 ellipse major axis and the ellipse minor axis of the elliptical support structure, and change the inner wall of the adjustable corrugated airflow. The fluctuating amplitude of the corrugation is controlled, and the speed of the mixed gas flow is controlled, and the natural gas hydrogenation is stabilized and mixed.

The working principle of the above technical solution is that the hydrogenation mixed pressure stabilization tank body sub-module includes: a hydrogenation mixed pressure stabilization tank body unit, which is used for hydrogenation of natural gas through a pressure stabilization tank body with an adjustable corrugated gas flow inner wall Voltage stabilization and mixing; corrugated fluctuation amplitude adjustment unit, used to change the corrugated fluctuation amplitude of the inner wall of the adjustable corrugated airflow through the elliptical support structure; amplitude adjustment control power unit, used to control the ellipse The central axis of the support structure rotates, adjusts the angles of the ellipse major axis and the ellipse minor axis of the elliptical support structure, changes the ripple amplitude of the inner wall of the adjustable corrugated airflow, controls the mixed airflow speed, and conducts natural gas hydrogenation and pressure-stabilizing mixing; according to the length of the ellipse The lengths of the semi-axes and the short semi-axes are different. By rotating the angle of the elliptical support structure, the ripple amplitude of the inner wall of the corrugated airflow changes, so that the airflow fluctuates and the airflow channel changes, and the natural gas hydrogenation is stabilized and mixed.

The beneficial effect of the above technical solution is that the hydrogenation mixed pressure-stabilizing tank sub-module comprises: a hydrogenation hybrid pressure-stabilizing tank unit, which is used for hydrogenation of natural gas through a pressure-stabilizing tank with an adjustable corrugated gas flow inner wall Voltage stabilization and mixing; corrugated fluctuation amplitude adjustment unit, used to change the corrugated fluctuation amplitude of the inner wall of the adjustable corrugated airflow through the elliptical support structure; amplitude adjustment control power unit, used to control the ellipse The central axis of the support structure rotates, adjusts the angles of the ellipse major axis and the ellipse minor axis of the elliptical support structure, changes the ripple amplitude of the inner wall of the adjustable corrugated airflow, controls the mixed airflow speed, and conducts natural gas hydrogenation and pressure-stabilizing mixing; according to the length of the ellipse The lengths of the semi-axes and the short semi-axes are different. By rotating the angle of the elliptical support structure, the ripple amplitude of the inner wall of the corrugated airflow changes, so that the airflow fluctuates and the airflow channel changes, and the natural gas hydrogenation is stabilized and mixed; Improve hydrogenation mixing stability.

In one embodiment, the mixed gas composition monitoring sub-module includes:

The gas proportion spectrum detection unit is used to sample and detect the proportion of the gas mixture of shallow hydrogen and gas through the gas detection spectrometer;

The composition ratio comparison and analysis unit is used to compare and analyze the composition of the shallow hydrogen gas mixture according to the detection information of the light hydrogen gas mixture and the composition of the shallow hydrogen gas mixture set by the system, so as to obtain the comparison result of the mixture gas composition;

The comparison result judgment tracking unit is used to judge the mixed gas composition comparison result, determine whether the mixed gas composition comparison result conforms to the mixed gas composition comparison range set by the system, and obtain the light hydrogen gas mixed gas composition monitoring result.

The working principle of the above technical solution is that the mixed gas composition monitoring sub-module includes:

The gas proportion spectrum detection unit is used to sample and detect the proportion of the gas mixture of shallow hydrogen and gas through the gas detection spectrometer;

The composition ratio comparison and analysis unit is used to compare and analyze the composition of the shallow hydrogen gas mixture according to the detection information of the light hydrogen gas mixture and the composition of the shallow hydrogen gas mixture set by the system, so as to obtain the comparison result of the mixture gas composition;

The comparison result judgment tracking unit is used to judge the comparison result of the mixed gas composition, determine whether the mixed gas composition comparison result conforms to the mixed gas composition comparison range set by the system, and obtain the monitoring result of the light hydrogen gas mixed gas composition; calculate the shallow hydrogen gas mixed gas The composition meets the set composition threshold ratio, and the calculation formula is as follows:

Among them, Ptrh indicates that the composition of the shallow hydrogen gas mixture meets the set composition threshold ratio, St-1 indicates the probability density statistic value of the composition of the shallow hydrogen gas mixture, St indicates the proportionality coefficient value of the composition of the shallow hydrogen gas mixture, β indicates the shallow hydrogen gas mixture The probability density coefficient of the gas mixture composition; by calculating the ratio of the shallow hydrogen gas mixture to the set composition threshold ratio, the comparison and analysis of the shallow hydrogen gas mixture composition detection information and the system set shallow hydrogen gas mixture composition are carried out.

The beneficial effect of the above technical solution is that the mixed gas component monitoring sub-module includes: a gas proportion spectrum detection unit, used for sampling and detecting the proportion of the light hydrogen gas mixed gas component through a gas detection spectrometer; a component proportion comparison analysis unit, used for According to the detection information of the mixed gas composition of the shallow hydrogen gas and the composition of the mixed gas of the shallow hydrogen gas set by the system, the composition of the mixed gas is compared and analyzed, and the comparison result of the mixed gas composition is obtained; Whether the comparison result conforms to the comparison range of the mixed gas composition set by the system, obtain the monitoring result of the light hydrogen gas mixed gas composition; calculate the light hydrogen gas mixed gas composition conforms to the set composition threshold ratio, where Ptrh indicates that the shallow hydrogen gas mixed gas composition conforms to the set composition Component threshold ratio, St-1 represents the statistical value of the probability density of the composition of the shallow hydrogen gas mixture, St represents the proportionality coefficient value of the composition of the shallow hydrogen gas mixture, β represents the probability density coefficient of the composition of the shallow hydrogen gas mixture; by calculating the shallow hydrogen gas mixture The composition of the gas mixture conforms to the set composition threshold ratio, and the comparative analysis of the composition detection information of the shallow hydrogen gas mixture and the composition of the shallow hydrogen gas mixture set by the system is carried out, so as to improve the accuracy of the mixture ratio of the natural gas hydrogen-mixed gas fuel.

In one embodiment, the hydrogen enrichment concentration protection sub-module includes:

The abnormal safety warning linkage unit is used for linkage with the shallow hydrogen gas abnormal safety warning. When the shallow hydrogen gas abnormal safety warning is activated, the linkage hydrogen enrichment adjustment control unit triggers the linkage control signal;

The hydrogen enrichment adjustment control unit is used to control and start the hydrogen enrichment concentration adjustment unit by linking the control center of the shallow hydrogen gas boiler with the linkage control signal;

The hydrogen enrichment concentration adjustment unit is used to control the concentration of hydrogen in the lower shallow hydrogen gas range; the hydrogen enrichment concentration adjustment unit includes: gas composition monitoring result reader, mixing adjustment controller, mixing regulator, fish Gill-shaped adjustment piece mixing structure; the gas composition monitoring result reader reads the light hydrogen gas mixed gas composition monitoring result data and converts it into the input interface signal of the mixing adjustment controller and transmits it to the mixing adjustment controller; the mixing adjustment control The mixer controls the mixing regulator, and the mixing regulator drives the fish gill-shaped adjustment piece to mix the structure; the fish gill-shaped adjustment piece mixing structure is composed of multiple gill-shaped airflow fluctuating grooves; the mixed gas flows through the fish gill-shaped partition piece The mixing structure forms a micro-vortex on the surface, and the mixing of various gases is more uniform; the concentration of hydrogen is controlled in the lower shallow hydrogen gas range.

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 for linkage with the shallow hydrogen gas abnormal safety warning. When the shallow hydrogen gas abnormal safety warning is activated, the linkage hydrogen enrichment The integrated adjustment control unit triggers the linkage control signal; the hydrogen enrichment adjustment control unit is used to control the start of the hydrogen enrichment concentration adjustment unit through the linkage control signal linkage with the shallow hydrogen gas boiler control center; the hydrogen enrichment concentration adjustment unit is used to control the hydrogen concentration The concentration is in the low range of shallow hydrogen gas; the hydrogen enrichment concentration adjustment unit includes: gas composition monitoring result reader, mixing adjustment controller, mixing adjuster, fish gill-shaped adjustment piece mixing structure; gas composition monitoring results The reader/writer reads the monitoring result data of the shallow hydrogen gas mixture gas composition and converts it into the 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 The mixing structure of the gill-shaped adjusting piece is composed of multiple gill-shaped airflow fluctuating grooves; the mixed gas flows through the mixing structure of the gill-shaped partition piece to form a surface micro-vortex.

The beneficial effect of the above technical solution is that the hydrogen enrichment concentration protection sub-module includes: an abnormal safety warning linkage unit, which is used for linkage with the shallow hydrogen gas abnormal safety warning. When the shallow hydrogen gas abnormal safety warning is activated, the linkage hydrogen enrichment The integrated adjustment control unit triggers the linkage control signal; the hydrogen enrichment adjustment control unit is used to control the start of the hydrogen enrichment concentration adjustment unit through the linkage control signal linkage with the shallow hydrogen gas boiler control center; the hydrogen enrichment concentration adjustment unit is used to control the hydrogen concentration The concentration is in the low range of shallow hydrogen gas; the hydrogen enrichment concentration adjustment unit includes: gas composition monitoring result reader, mixing adjustment controller, mixing adjuster, fish gill-shaped adjustment piece mixing structure; gas composition monitoring results The reader/writer reads the monitoring result data of the shallow hydrogen gas mixture gas composition and converts it into the 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 The mixing structure of the fish gill-shaped adjusting piece; the mixing structure of the fish gill-shaped adjusting piece is composed of multiple gill-shaped air flow fluctuating grooves; the mixed gas flows through the mixing structure of the fish gill-shaped partition piece to form a surface micro-vortex; it can make a variety of The gas mixing is more uniform; and the concentration of hydrogen is controlled to improve the gas mixing performance in the lower shallow hydrogen gas range.

In one embodiment, the feature-adapted combustion enhancement sub-module includes:

The multi-jet adaptive cycle unit is used to perform adaptive cycle learning of non-swirl, direct injection and multi-jet features for the initial characteristics of the boiler combustion airflow;

A boiler jet passage structural unit for adjusting the jet flow of the shallow hydrogen gas boiler through the adaptive shallow hydrogen gas boiler jet pipe; wherein the adaptive shallow hydrogen gas boiler jet pipe is located in the boiler burner of the combined cycle boiler burner of the shallow hydrogen gas boiler In the flow channel, the adaptive shallow hydrogen gas boiler jet tube includes a jet tube body, and the jet tube body is provided with a jet tube inner flow channel, and the jet tube inner flow channel is sequentially provided with a jet tube straight section, a jet tube convergence section and a jet tube expansion section , the end of the converging section of the jet tube, that is, the smallest cross-section of the flow channel in the jet tube, is the throat of the flow channel in the jet tube; the jet tube body is provided with a jet supplementary pipeline and a jet baffle pipeline; the jet supplement The inlet of the pipeline is arranged on the outer side wall of the jet tube body, and the outlet of the jet supplementary pipeline is arranged on the inner wall of the jet tube body downstream of the throat of the jet tube body; the inlet of the jet baffle pipeline is located in the jet supplement On the inner side wall of the jet pipe body downstream of the outlet of the pipeline, the outlet of the jet baffle pipeline is arranged on the outer side wall of the jet pipe body;

The jet supplementary adjustment setting unit is used to supplement the jet flow through the jet supplementary pipeline and the jet baffle pipeline; based on the continuous enhancement of the combustion intensity; the jet supplementary pipeline is an inclined pipeline, and its jet flow relative to the jet tube body The nozzle at the end of the pipe expansion section, the outlet of the jet supplementary pipe is close to the nozzle, and the inlet of the jet supplementary pipe is far away from the nozzle; the jet baffle pipe is an inclined pipe, and the end of the jet pipe expansion section is opposite to the jet pipe body. The inlet of the jet baffle pipeline is far away from the nozzle, and the outlet of the jet baffle pipeline is close to the nozzle.

The working principle of the above technical solution is that the feature-adaptive combustion enhancement sub-module includes: a multi-jet adaptive circulation unit, which is used to perform adaptive cyclic learning of non-swirl, direct injection and multi-jet characteristics on the initial characteristics of the boiler combustion air jet; A boiler jet passage structural unit for adjusting the jet flow of the shallow hydrogen gas boiler through the adaptive shallow hydrogen gas boiler jet pipe; wherein the adaptive shallow hydrogen gas boiler jet pipe is located in the boiler burner of the combined cycle boiler burner of the shallow hydrogen gas boiler In the flow channel, the adaptive shallow hydrogen gas boiler jet tube includes a jet tube body, and the jet tube body is provided with a jet tube inner flow channel, and the jet tube inner flow channel is sequentially provided with a jet tube straight section, a jet tube convergence section and a jet tube expansion section , the end of the converging section of the jet tube, that is, the smallest cross-section of the flow channel in the jet tube, is the throat of the flow channel in the jet tube; the jet tube body is provided with a jet supplementary pipeline and a jet baffle pipeline; the jet supplement The inlet of the pipeline is arranged on the outer side wall of the jet tube body, and the outlet of the jet supplementary pipeline is arranged on the inner wall of the jet tube body downstream of the throat of the jet tube body; the inlet of the jet baffle pipeline is located in the jet supplement On the inner side wall of the jet pipe body downstream of the outlet of the pipeline, the outlet of the jet baffle pipe is arranged on the outer side wall of the jet pipe body; the jet supplementary adjustment setting unit is used to pass the jet supplementary pipe and the jet damper pipe Supplementary adjustment of the jet; based on the continuous enhancement of the combustion intensity; the jet supplementary pipeline is an inclined pipeline. Compared with the nozzle at the end of the jet tube expansion section of the jet tube body, the outlet of the jet supplementary pipeline is close to the nozzle, and the jet supplements The inlet of the pipeline is far away from the nozzle; the jet baffle pipeline is an inclined pipeline. Compared with the nozzle at the end of the jet tube expansion section of the jet tube body, the inlet of the jet baffle pipeline is far away from the nozzle, and the The outlet is close to the nozzle; perform feature-based adaptation of the unit settings of the combustion enhancement sub-module;

The beneficial effect of the above technical solution is that the feature adaptive combustion enhancement sub-module includes: a multi-jet adaptive circulation unit, which is used to perform adaptive cyclic learning of cyclone, direct injection and multi-jet features on the initial characteristics of the boiler combustion airflow jet; A boiler jet passage structural unit for adjusting the jet flow of the shallow hydrogen gas boiler through the adaptive shallow hydrogen gas boiler jet pipe; wherein the adaptive shallow hydrogen gas boiler jet pipe is located in the boiler burner of the combined cycle boiler burner of the shallow hydrogen gas boiler In the flow channel, the adaptive shallow hydrogen gas boiler jet tube includes a jet tube body, and the jet tube body is provided with a jet tube inner flow channel, and the jet tube inner flow channel is sequentially provided with a jet tube straight section, a jet tube convergence section and a jet tube expansion section , the end of the converging section of the jet tube, that is, the smallest cross-section of the flow channel in the jet tube, is the throat of the flow channel in the jet tube; the jet tube body is provided with a jet supplementary pipeline and a jet baffle pipeline; the jet supplement The inlet of the pipeline is arranged on the outer side wall of the jet tube body, and the outlet of the jet supplementary pipeline is arranged on the inner wall of the jet tube body downstream of the throat of the jet tube body; the inlet of the jet baffle pipeline is located in the jet supplement On the inner side wall of the jet pipe body downstream of the outlet of the pipeline, the outlet of the jet baffle pipe is arranged on the outer side wall of the jet pipe body; the jet supplementary adjustment setting unit is used to pass the jet supplementary pipe and the jet damper pipe Supplementary adjustment of the jet; based on the continuous enhancement of the combustion intensity; the jet supplementary pipeline is an inclined pipeline. Compared with the nozzle at the end of the jet tube expansion section of the jet tube body, the outlet of the jet supplementary pipeline is close to the nozzle, and the jet supplements The inlet of the pipeline is far away from the nozzle; the jet baffle pipeline is an inclined pipeline. Compared with the nozzle at the end of the jet tube expansion section of the jet tube body, the inlet of the jet baffle pipeline is far away from the nozzle, and the The outlet is close to the nozzle; the unit settings are adapted based on the characteristics of the combustion enhancement sub-module; the combustion intensity can be further enhanced.

In one embodiment, the boiler combustion system stabilization sub-module includes:

The combustion intensity data feedback unit is used to feed back to the shallow hydrogen gas boiler control center according to the data of the enhancement degree of combustion intensity;

The feedback signal adjustment signal unit is used to send the control signal sent by the shallow hydrogen gas boiler control center according to the feedback data information to the combustion signal demodulator;

The boiler combustion flame stabilization unit is used for flame stabilization in the process of jet characteristic combustion enhancement according to the output signal of the combustion signal demodulator; the boiler combustion flame stabilization unit has a sunflower disc-shaped opening and closing nozzle, and the control nozzles are spaced apart Combined, the shallow hydrogen gas boiler system performs stable combustion with high combustion intensity.

The working principle of the above technical solution is that the boiler combustion system stabilization sub-module includes: a combustion intensity data feedback unit, which is used to feed back to the shallow hydrogen gas boiler control center according to the data of the enhancement degree of combustion intensity; It is used to send the control signal sent by the shallow hydrogen gas boiler control center according to the feedback data information to the combustion signal demodulator; the boiler combustion flame stabilization unit is used to carry out the flame in the process of jet characteristic combustion enhancement according to the output signal of the combustion signal demodulator. Stable; the boiler combustion flame stabilization unit has a sunflower disc-shaped opening and closing nozzle, which controls the opening and closing of the nozzles at intervals, so that the shallow hydrogen gas boiler system can carry out high combustion intensity and stable combustion; The closing nozzle controls the opening and closing of the nozzles at intervals;

See Table 1 for the technical parameters of natural gas mixed with hydrogen for shallow hydrogen gas boilers.

Table 1 Technical parameters of natural gas mixed with hydrogen for shallow hydrogen gas boilers

The beneficial effect of the above technical scheme is that the boiler combustion system stabilization sub-module includes: a combustion intensity data feedback unit, which is used to feed back to the shallow hydrogen gas boiler control center according to the data of the enhancement degree of combustion intensity; It is used to send the control signal sent by the shallow hydrogen gas boiler control center according to the feedback data information to the combustion signal demodulator; the boiler combustion flame stabilization unit is used to carry out the flame in the process of jet characteristic combustion enhancement according to the output signal of the combustion signal demodulator. Stable; the boiler combustion flame stabilization unit has a sunflower disc-shaped opening and closing nozzle, which controls the opening and closing of the nozzles at intervals, so that the shallow hydrogen gas boiler system can carry out high combustion intensity and stable combustion; The combined nozzle controls the opening and closing of the nozzle zones; in the case of improving the combustion intensity, it can also enhance the combustion stability.

Although the embodiment of the present invention has been disclosed as above, it is not limited to the application listed in the description and the embodiment, and it can be applied to various fields suitable for the present invention. For those skilled in the art, it can be easily Therefore, the invention is not limited to the specific details and illustrations shown and described herein without departing from the general concept defined by the appended claims and the scope of equivalents.

Claims (10)

1. A shallow hydrogen gas fired boiler, comprising:

the natural gas hydrogenation flow program control module measures the flow of natural gas in a pipeline through a mass flowmeter, calculates the flow of mixed hydrogen according to the natural gas hydrogen mixing ratio, and obtains the mixed data of the natural gas hydrogen mixing flow;

the shallow hydrogen gas pressure stabilizing tank mixing module controls hydrogen flow according to natural gas hydrogen mixing flow mixing data and performs natural gas hydrogenation pressure stabilizing mixing through a pressure stabilizing tank;

the natural gas pipeline safety protection module is used for establishing the safety protection of a natural gas pipeline for conveying mixed hydrogen and controlling the concentration of hydrogen in a lower shallow hydrogen gas range;

the boiler burner optimizing structure module optimizes the air flow conveying and jetting characteristics through the boiler burner, and performs high-combustion-strength stable combustion without rotation, direct jetting and multi-jet characteristics on the combustion characteristics.

2. A shallow hydrogen gas boiler as claimed in claim 1, characterized in that the natural gas hydrogenation flow program control module comprises:

the gas mass flow measurement submodule is used for measuring the natural gas flow in the pipeline in real time through the mass flowmeter to obtain a real-time measurement result of the natural gas flow;

the signal conversion mixing calculation submodule is used for calculating the flow rate of the mixed hydrogen in the natural gas according to the real-time measurement result of the flow rate of the natural gas and the statistical analysis of the big data of the hydrogen mixing ratio of the natural gas;

and the calculation result data storage submodule is used for storing the calculation result of the mixed hydrogen flow in the natural gas to obtain the mixed hydrogen flow data of the natural gas.

3. A shallow hydrogen gas boiler as claimed in claim 1, characterized in that said shallow hydrogen gas surge tank mixing module comprises:

the flow mixed data transmission submodule is used for transmitting the natural gas mixed hydrogen flow mixed data to the shallow hydrogen gas boiler voltage stabilization conversion control signal submodule;

the voltage-stabilizing conversion control signal submodule is used for converting the natural gas hydrogen-mixed flow mixed data into a control trigger electric signal through the data signal conversion unit and connecting and sending the control trigger electric signal to the shallow hydrogen gas boiler control center;

and the hydrogenation mixing pressure stabilizing tank body submodule is used for performing natural gas hydrogenation pressure stabilizing mixing through the hydrogenation mixing pressure stabilizing tank according to the control signal of the shallow hydrogen gas boiler control center.

4. A shallow hydrogen gas boiler as claimed in claim 1, characterized in that said natural gas pipeline safety protection module comprises:

the mixed gas component monitoring submodule is used for detecting, monitoring and tracking the components of the shallow hydrogen gas mixed gas in real time through gas component spectrum detection to obtain a monitoring result of the components of the shallow hydrogen gas mixed gas;

the monitoring and warning safety control submodule is used for comparing the monitoring result of the shallow hydrogen gas mixed gas component with the shallow hydrogen gas mixed gas component set by the shallow hydrogen gas boiler system and controlling to give out a shallow hydrogen gas abnormal safety warning when the comparison state is not consistent with the set shallow hydrogen gas mixed gas component;

and the hydrogen enrichment concentration protection submodule is used for starting the hydrogen enrichment concentration adjusting unit to control the concentration of the hydrogen in a lower shallow hydrogen gas range according to the abnormal safety warning of the shallow hydrogen gas.

5. A shallow hydrogen gas boiler as claimed in claim 1, characterized in that said boiler burner optimized structural module comprises:

the boiler combustion air flow characteristic submodule is used for selecting boiler combustion air flow jet flow initial characteristics according to boiler combustion air flow data in an initial shallow hydrogen gas range;

the characteristic adaptive combustion enhancement submodule is used for carrying out non-rotation, direct injection and multi-jet characteristic adaptive cycle learning on the initial characteristics of the jet flow of the combustion air flow of the boiler, and continuously enhancing the combustion intensity through the jet flow characteristic adaptive cycle learning;

and the boiler combustion system stabilizing submodule is used for enhancing and stabilizing the jet characteristic combustion through the boiler combustion flame stabilizing unit in the process of continuously enhancing the combustion intensity, so that the shallow hydrogen gas boiler system can stably combust with high combustion intensity.

6. A shallow hydrogen gas fired boiler as claimed in claim 3, wherein said hydro-hybrid surge tank sub-module comprises:

the hydrogenation mixing pressure stabilizing tank unit is used for performing hydrogenation pressure stabilizing mixing on the natural gas through a pressure stabilizing tank with an adjustable corrugated airflow inner wall;

the corrugated fluctuation amplitude adjusting unit is used for changing the corrugated fluctuation amplitude of the inner wall of the adjustable corrugated airflow through the oval supporting structure;

and the amplitude regulation control power unit is used for controlling the central shaft of the elliptical supporting structure to rotate according to a control center control signal of the shallow hydrogen gas boiler, regulating the angles of the elliptical long shaft and the elliptical short shaft of the elliptical supporting structure, changing the fluctuation amplitude of the corrugations on the inner wall of the adjustable corrugated airflow, controlling the speed of the mixed airflow and carrying out natural gas hydrogenation pressure stabilization mixing.

7. A shallow hydrogen gas boiler as claimed in claim 4, characterized in that said mixed gas composition monitoring submodule comprises:

the gas proportion spectrum detection unit is used for detecting the proportion of the components of the shallow hydrogen gas mixture by sampling through a gas detection spectrometer;

the component proportion comparison and analysis unit is used for carrying out comparison and analysis on the components of the shallow hydrogen gas mixed gas according to the detection information of the components of the shallow hydrogen gas mixed gas and the components of the shallow hydrogen gas mixed gas set by the system to obtain a component comparison result of the mixed gas;

and the comparison result judging and tracking unit is used for judging the comparison result of the mixed gas components, judging whether the comparison result of the mixed gas components accords with the comparison range of the mixed gas components set by the system or not, and obtaining the monitoring result of the components of the shallow hydrogen gas mixed gas.

8. A shallow hydrogen gas boiler as claimed in claim 4, characterized in that said hydrogen enrichment concentration protection submodule comprises:

the abnormal safety warning linkage unit is used for linking with the abnormal safety warning of the shallow hydrogen gas, and when the abnormal safety warning of the shallow hydrogen gas is started, the abnormal safety warning linkage unit is linked with the hydrogen enrichment regulation control unit to trigger a linkage control signal;

the hydrogen enrichment adjustment control unit is used for linking the control center of the shallow hydrogen gas boiler through a linkage control signal to control and start the hydrogen enrichment concentration adjustment unit;

the hydrogen enrichment concentration adjusting unit is used for controlling the concentration of hydrogen in a lower shallow hydrogen gas range; the hydrogen-enriched concentration adjusting unit includes: a gas component monitoring result reader-writer, a mixing regulation controller, a mixing regulator and a gill-shaped regulation piece mixing structure; the gas component monitoring result reader-writer reads the shallow hydrogen gas mixed gas component monitoring result data, converts the shallow hydrogen gas mixed gas component monitoring result data into an input interface signal of the mixing regulation controller and transmits the input interface signal to the mixing regulation controller; the mixing regulation controller controls the mixing regulator, and the mixing regulator drives the gill-shaped regulation piece mixing structure; the gill-shaped adjusting piece uniformly mixing structure consists of a plurality of gill-shaped airflow fluctuation grooves; the mixed gas flows through the fish gill-shaped partition plate uniformly-mixing structure to form a micro surface vortex, so that a plurality of gases are mixed more uniformly; the concentration of the hydrogen is controlled in a lower shallow hydrogen combustion gas range.

9. A shallow hydrogen gas boiler as claimed in claim 5, characterized in that said signature adaptive combustion enhancer module comprises:

the multi-jet flow self-adaptive circulation unit is used for carrying out non-rotation, direct injection and multi-jet flow characteristic self-adaptive circulation learning on the initial characteristics of the jet flow of the combustion gas flow of the boiler;

the boiler jet flow passage structural unit is used for carrying out jet flow adjustment on the shallow hydrogen gas boiler through the jet flow pipe of the self-adaptive shallow hydrogen gas boiler; the jet pipe of the self-adaptive shallow hydrogen gas boiler is positioned in an inner runner of the boiler burner of the combined circulating boiler burner of the shallow hydrogen gas boiler, the jet pipe of the self-adaptive shallow hydrogen gas boiler comprises a jet pipe body, an inner runner of the jet pipe is arranged in the jet pipe body, the inner runner of the jet pipe is sequentially provided with a straight line section of the jet pipe, a convergent section of the jet pipe and an expansion section of the jet pipe, and the tail end of the convergent section of the jet pipe, namely the minimum cross section position in the inner runner of the jet pipe, is a throat of the inner runner of the jet pipe; the jet pipe body is provided with a jet flow supplementing pipeline and a jet flow baffle pipeline; the inlet of the jet flow supplementing pipeline is arranged on the outer side wall of the jet flow pipe body, and the outlet of the jet flow supplementing pipeline is arranged on the inner side wall of the jet flow pipe body at the downstream of the throat of the jet flow pipe body; the inlet of the jet baffle pipeline is positioned on the inner side wall of the jet pipe body at the downstream of the outlet of the jet supplementing pipeline, and the outlet of the jet baffle pipeline is arranged on the outer side wall of the jet pipe body;

the jet flow supplement adjustment setting unit is used for performing supplement adjustment on jet flow through the jet flow supplement pipeline and the jet flow baffle pipeline; based on continuously enhancing the combustion intensity; the jet flow supplementing pipeline is an obliquely arranged pipeline, relative to a nozzle at the tail end of a jet flow pipe expansion section of the jet flow pipe body, an outlet of the jet flow supplementing pipeline is close to the nozzle, and an inlet of the jet flow supplementing pipeline is far away from the nozzle; the jet baffle pipeline is a pipeline which is obliquely arranged, relative to a nozzle at the tail end of a jet pipe expansion section of the jet pipe body, an inlet of the jet baffle pipeline is far away from the nozzle, and an outlet of the jet baffle pipeline is close to the nozzle.

10. A shallow hydrogen gas boiler as claimed in claim 5, characterized in that said boiler combustion system stabilizing sub-module comprises:

the combustion intensity data feedback unit is used for feeding back the data to the shallow hydrogen gas boiler control center according to the enhancement degree data of the combustion intensity;

the feedback signal adjusting signal unit is used for sending a control signal sent by the shallow hydrogen gas boiler control center according to the feedback data information to the combustion signal demodulator;

the boiler combustion flame stabilizing unit is used for stabilizing flame in the jet characteristic combustion enhancing process according to the output signal of the combustion signal demodulator; the boiler combustion flame stabilizing unit is provided with sunflower-shaped opening and closing nozzles, the nozzles are controlled to be opened and closed at intervals in a partition mode, and the shallow hydrogen gas boiler system conducts high-combustion-intensity stable combustion.

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