1034 results about "Combustible gas" patented technology

The invention provides a portable fire blast risk dynamic identification and danger tracing method and terminal, and the method comprises the steps: collecting positioning data in real time through a GNSS positioning module; a high-speed analog-to-digital conversion chip ADC is used for carrying out high-frequency and synchronous processing on the gas concentration collected in real time; collecting field environment parameters in real time; performing dynamic threshold intelligent judgment to obtain a leakage judgment result, and executing a grading early warning mechanism; recording an inspection track in real time, and carrying out space gas concentration gradient analysis to obtain a gas concentration gradient; calculating a built-in space distance; judging the leakage direction according to the gas concentration gradient data, and intelligently tracing the leakage source according to the leakage judgment result; and uploading the security data to the cloud. According to the invention, the limitation of static and single-threshold alarm of an instrument is solved, and the technical problems of difficulty in spatial continuous sensing and automatic tracing positioning of gas leakage abnormity in a complex inspection environment with dynamic changes of multi-component combustible gas and environmental parameters are solved.

The invention belongs to the technical field of gas pipeline fault prediction, and discloses a pipe gallery gas pipeline defect identification method and system and an inspection robot. The method comprises the following steps: synchronously sensing multi-dimensional time sequence data of a pipe gallery gas pipeline, wherein the multi-dimensional time sequence data comprises gas pipeline time sequence data, combustible gas concentration time sequence data and environment time sequence data; performing structured processing and feature extraction on the multi-dimensional time series data, and outputting a multi-modal feature data set for defect identification and risk assessment; performing joint modeling based on the multi-modal feature data set to obtain a fusion interaction embedding vector, and identifying a coupling abnormal state with causal correlation or collaborative performance between the structural defect and the trace gas leakage based on the fusion interaction embedding vector; based on the fusion interaction embedding vector and the coupling abnormal state, the early defect type of the pipe gallery gas pipeline is recognized; the early-stage defect identification accuracy and response speed of the pipe gallery gas pipeline are remarkably improved.

The invention relates to the technical field of fire-fighting management, and discloses an intelligent fire-fighting management method and system based on a multi-modal large model, and the method comprises the steps: 1, collecting multi-modal perception data in a field environment, and transmitting the multi-modal perception data as input data to a multi-modal semantic recognition module; and 2, performing modal analysis and semantic fusion on the input data by using the multi-modal semantic recognition module, and generating a unified semantic description containing fire state elements. According to the invention, a multi-modal perception data semantic fusion mechanism and a multi-modal large model-driven fire behavior recognition framework are adopted, and data of different modals from a camera, a temperature and humidity sensor, a smoke detector and combustible gas monitoring equipment are input into a unified semantic recognition module, so that unified fire behavior state semantic description is constructed; and the technical effects of multi-source data complementation and semantic-level collaborative recognition of the fire state are achieved.

The utility model relates to a raw gas source upgrading system for an internal heating type vertical furnace. The raw gas source upgrading system comprises a dry distillation furnace, a carbon dioxide removal device and a pure oxygen preparation device, the device further comprises a first multi-stage mixer, a second multi-stage mixer, a gas sampling analysis tube and a gas component detector. Pure oxygen is adopted as a combustion improver, so that the content of nitrogen in the raw gas is greatly reduced, and the application scene of coal gasification production and deep processing of the internal heating type vertical furnace is expanded; the components of combustion-supporting gas, combustible gas and inert gas in mixed gas in a lattice wall of the dry distillation furnace are controlled by adopting double-circulation control of carbon dioxide and recirculated gas, the combustion intensity and the uniformity degree are strictly controlled under the condition that dry distillation heat supply is met, and scabbing and burning loss of a dry distillation furnace body are avoided.

According to the infrared combustible gas sensor and the method thereof, firstly, original voltage signals of a measurement channel and a reference channel and original signals of a temperature sensor are subjected to digital filtering, basic concentration is calculated based on the voltage of the measurement channel and the voltage of the reference channel after filtering, and dynamic impact detection is carried out; obtaining a reference channel signal change rate; furthermore, a self-adaptive dynamic compensation gain is introduced, the gain is dynamically adjusted according to the reference channel signal change rate and the filtered reference channel voltage, and the basic concentration is comprehensively compensated by combining the filtered temperature, so that unbalance caused by thermal shock in the photoelectric system is reflected more directly and more quickly. Therefore, the measurement precision and the data reliability of the infrared combustible gas sensor in a complex and changeable environment can be remarkably improved, and more accurate and more robust effects of compensation can be realized under different working conditions.

The present application belongs to the field of smelting coal gas recovery, and particularly relates to an optimized control method and system for combustible gas recovery. The method divides the smelting process into N measurement time periods, and calculates the average secondary combustion coefficient of each time period in real time. Meanwhile, M target smelting time zones and their weights are set, and a dynamic target value sequence is established. Based on the initial fan speed, the measured coefficient is adjusted through multiple iterations of the furnace, and when the measured coefficient is greater than the target value, the speed is reduced in steps, and a thermal imager and a differential pressure instrument are introduced to monitor the smoke emission. A smoke emission rate statistics and tolerance threshold judgment mechanism is established to trigger speed backtracking adjustment, and finally the average secondary combustion coefficient of each time period is minimized to generate an optimal fan speed model. The present application maximizes the improvement of the calorific value of coal gas and the recovery of carbon monoxide under the premise of preventing smoke from the furnace mouth.

The invention provides a limited space operation safety protection method and device, and belongs to the technical field of safety production, and the device comprises an illumination module which employs a head-mounted outdoor lamp induction miner's lamp and is used for providing illumination for an operator in an operation process and providing a light source for a camera; the gas detection module adopts an oxygen, carbon monoxide, hydrogen sulfide and combustible gas four-in-one sensor module and is carried by an operator; the camera monitoring module adopts a portable monitoring camera, videos can be stored and forwarded, and a limited space operation management and control process is migrated to an intelligent management and control platform for real-time online management; a 5G communication technology and a virtual reality (VR) technology are introduced into limited space operation safety management and control; defects of existing equipment are improved, for example, vital sign monitoring content of operating personnel is added, a UWB personnel positioning function is achieved, and video and sound of an operating site and various monitoring data are forwarded and stored in real time for future reference.

The invention discloses a fire-fighting detection early warning system, and relates to the technical field of fire-fighting early warning, and the system comprises a multi-source data obtaining module which comprises a gas monitoring unit, a smoke monitoring unit and a temperature obtaining unit, obtains the concentration of combustible gas, the granularity of smoke and the temperature data, carries out the preprocessing of the data, and integrates the data into a data set; the analysis and early warning module analyzes the data based on the data set, introduces a gradient compensation algorithm into the temperature acquisition unit, synchronously records the ambient temperatures of three different distances around, calculates a temperature gradient value, judges whether the temperature data exceeds the standard or not based on the gradient value, preliminarily obtains a judgment result from the temperature direction, and sends the judgment result to the early warning unit; and performing trend prediction on the multi-source data based on a time sequence analysis method. According to the method, the gradient compensation algorithm is introduced, the gradient value is calculated by using the three temperature monitoring points at different distances, local temperature anomaly can be accurately captured, the danger diffusion trend can be recognized earlier, local fluctuation and system risks can be distinguished, and time is won for early intervention.

The invention discloses a combustible gas remote monitoring management system and method based on Internet of Things and AI, and relates to the technical field of combustible gas monitoring. The system comprises a source heterogeneous sensing module, an edge AI reasoning module, a networking communication transmission module, an AI collaborative decision-making module and a judgment collaborative response module which run in sequence, and is technically characterized in that the AI collaborative decision-making module driven by a user behavior portrait is adopted in the scheme, and multi-dimensional characteristic factors are introduced, so that the dynamic sensing of abnormal gas consumption behaviors is realized, and the dynamic sensing of the abnormal gas consumption behaviors is realized; in addition, the understanding is completed by configuring an overrun protection item, it is ensured that sudden leakage and other situations are not missed to a certain extent, the defect that a traditional pure data driving model lacks interpretability and real-time performance is overcome, historical behavior contexts and real-time physical states are fused and bound, and collaborative optimization processing on safety and experience effects is completed.

The invention relates to the technical field of composite materials, in particular to a silicone rubber composition and a preparation method thereof. The silicone rubber composition is prepared from the following raw materials in parts by weight: 100 parts of methyl vinyl silicone rubber, 25-35 parts of white carbon black, 2.8-3.0 parts of hydroxyl silicone oil, 1.1-1.2 parts of hydrogen-containing silicone oil, 0.8-1 part of a cross-linking agent, 20-30 parts of an additive A, 6-8 parts of an additive B and 1.5 parts of a silane coupling agent KH-550. The additive in the additive A is carbonized and forms an intumescent flame-retardant system in the reaction under the combined action of mannitol and bamboo fiber, and generates a flame-retardant gas during decomposition, so that the fire resistance and flame retardance of the silicone rubber composition can be effectively improved, and meanwhile, the additive B is capable of effectively improving the flame retardance of the silicone rubber composition based on the loading of blumea oil and chitosan quaternary ammonium salt. The blumea oil endows the material with an anti-aging function through the good anti-oxidation characteristic, so that the thermal stability and durability of the silicone rubber composition are effectively improved under the combined action of the additives.

The invention belongs to the field of hydrogen energy, and discloses a hydrogen recovery system and method for a hydrogenation mother station. The system comprises a hydrogen purification device, a product gas and recovery gas compressor, and an integrated pipeline network connecting feed gas, product gas, desorbed gas and a long pipe vehicle. According to the system, through a plurality of recovery paths, hydrogen which is not qualified in purification, desorbed gas and hydrogen replaced in the long pipe vehicle can be recovered to a fuel gas pipe network, a raw material gas inlet or a desorbed gas system respectively, and high-purity hydrogen can be used for carrying out online regeneration on a penetrating adsorbent. According to the invention, comprehensive recovery of the vented combustible gas in the hydrogenation mother station is realized, the hydrogen recovery rate is obviously improved, and the product gas quality and supply stability are ensured.

The embodiment of the invention provides a battery fire treatment method, device and equipment based on multi-modal data fusion, and relates to the technical field related to batteries. The method comprises the following steps: acquiring real-time multi-modal data acquired by a multi-modal sensor; the real-time multi-modal data at least comprises temperature, voltage, current, combustible gas concentration and sound wave data; according to the historical multi-modal database and the real-time multi-modal data, determining a comprehensive fault index through a dynamic weight model; the historical multi-modal database stores multi-modal data samples of each stage of thermal runaway development of the battery in the battery cell module in different fault modes, and the comprehensive fault index is used for indicating the fire risk degree; and outputting positioning information of the target area according to the comprehensive fault index and a preset spatial position mapping table, the preset spatial position mapping table is used for indicating a corresponding relation between the deployment position of the multi-modal sensor and the position of the target area. The method is used for achieving the effects of improving fire detection real-time performance and positioning precision and the like.

The invention discloses a data analysis method, device and equipment of a combustible gas sensor and a readable storage medium, and relates to the technical field of data analysis. Comprising the following steps: analyzing the gas condition in a target building according to the data of a combustible gas sensor by establishing a space-time heterogeneous causal diagram skeleton in the target building, and further adjusting the gas condition in the building according to the real-time condition, thereby ensuring the gas use safety.

The utility model discloses a biomass fluidized bed gasification furnace heat supply coupling internal combustion engine power generation system. A biomass gasification furnace utilizes biomass raw materials to produce combustible gas; the internal combustion generator set generates power by taking combustible gas as a gas source, the working time of the internal combustion generator set is concentrated on the peak-flat section of the power grid electricity price, and the electric energy generated by the internal combustion generator set is supplied to the power grid; the biomass gas steam boiler receives combustible gas and burns the combustible gas to generate heat, steam heat energy generated by the biomass gas steam boiler is supplied to the user side, and the working time period of the biomass gas steam boiler is concentrated in the valley period of the power grid electricity price. Both the biomass gas steam boiler and the internal combustion generator set receive combustible gas produced by the biomass gasification furnace through gas pipelines, and the gas pipelines are provided with electric control valves for controlling the gas supply states of the internal combustion generator set and the biomass gas steam boiler. The comprehensive energy consumption cost can be reduced, the energy utilization efficiency is improved, and meanwhile, remarkable environmental benefits are achieved.

The invention discloses an industrial ignition gun, and relates to the field of ignition devices, the industrial ignition gun comprises an ignition assembly, a fuel gas conveying assembly and a flame detection assembly, a combustion area is formed on the same side of the ignition assembly, the fuel gas conveying assembly and the flame detection assembly, the fuel gas conveying assembly is used for conveying combustible gas to the combustion area, and the flame detection assembly is used for detecting the combustible gas. The ignition assembly is used for generating point discharge in the combustion area so as to ignite the combustible gas and form a high-temperature flame area; the flame detection assembly is used for collecting ion current signals of the high-temperature flame area. The method has the advantages that the flame detection accuracy is improved, and the equipment operation safety is improved.

This invention relates to the field of research on the operational characteristics of overpressure relief devices, and particularly to an experimental device for measuring the operational characteristics of overpressure relief devices under water hammer conditions. The device includes: a high-pressure air compressor, a frame, a piston accumulator, a quick-opening device, a high-pressure test assembly, and a high-frequency dynamic pressure sensor. This invention enables the measurement of operational characteristics under different pressure rise rate loads caused by water hammer phenomena on a test bench, providing an experimental platform for the research on the operational characteristics of overpressure relief devices under high pressure rise rates. The overall device is simple, quick, and stable. It effectively solves the problem of applying high pressure rise rate loads in current overpressure relief device operational characteristic measurement tests, overcomes the danger of using combustible gas explosions as pressure sources in existing operational characteristic measurement tests, and overcomes the shortcomings of existing test methods, such as long testing times, the need to calculate gas explosion pressure, and the difficulty in accurately controlling the pressure rise rate.

This application relates to the field of waste treatment technology, and more specifically, to a power generation device based on low-temperature magnetic pyrolysis of waste, comprising: at least one pyrolysis unit for thermally decomposing waste; a gas conveying pipeline for collecting and conveying the gas generated in each pyrolysis unit to a combustion chamber; a combustion chamber for combustion using combustible gas as a heat source; a direct-fired generator system disposed above the combustion chamber for using the high-temperature gas in the combustion chamber as a power source to drive the generator to rotate and generate electricity; and an oxygen-enriched gas supply device for supplying oxygen-enriched gas to the combustion chamber to ensure complete combustion of the combustible gas.

A battery protection plate integrated with combustible gas regulation and control, a preparation method therefor, and a battery module. The battery protection plate integrated with combustible gas regulation and control comprises: a porous heat-insulation base material; a phase change hydrogel, which is adsorbed in the pore structure of the porous heat-insulation base material; an aerogenesis flame retardant layer, which is arranged on the surface of at least one side of the porous heat-insulation base material; and a packaging film, which is arranged on the outer side of the aerogenesis flame retardant layer and the porous heat-insulation base material, and is used for packaging the porous heat-insulation base material and and the aerogenesis flame retardant layer.

Apparatus for the production of molten iron including a metallurgical vessel, having a surrounding wall, a cyclone part provided on top of a smelt reduction part, the cyclone part being in open connection with the smelt reduction part and having at least one supply apparatus around the circumference of the surrounding wall adjusted to introduce oxygen gas into the cyclone part, wherein the at least one supply apparatus is further adjusted to introduce a mixture of oxygen gas and a combustible gas.

The utility model relates to the field of gas detection alarm, and discloses a flame-retardant explosion-proof combustible gas detection alarm, which comprises a supporting slide rail and a gas detection sensor, an adjusting screw rod is movably connected inside the supporting slide rail, a screw rod sliding sleeve is arranged outside the adjusting screw rod, the right side of the screw rod sliding sleeve is fixedly connected with a mounting seat, and the gas detection sensor is fixedly connected with the mounting seat. An explosion-proof box is mounted on the right side of the mounting seat, and the gas detection sensor is mounted in the explosion-proof box. According to the flame-retardant explosion-proof combustible gas detection alarm, when the gas detection sensor detects that the gas concentration exceeds the standard, the remote alarm and the alarm lamp can give an alarm in time, and once the gas detection sensor detects that the concentration exceeds the standard, the detection controller can control the driving motor through the motor controller, so that the combustible gas can be detected. The driving motor drives the adjusting lead screw to rotate so that the gas detection sensor can be moved upwards to be away from gas, the detection position is adjusted by detecting the gas density to avoid burning and explosion, and the problem that burning and explosion are prone to occurring due to airflow impact is solved.

1. Name of the designed product: Stove head (Dawn of the Age). 2. Use of the designed product: kitchen appliance for direct heating with combustible gas or wood as fuel. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view 1.

1. Name of the product in this design: Biomass gasification furnace. 2. Purpose of this design: To convert biomass raw materials into combustible gas through high-temperature pyrolysis reaction. It is a highly efficient and clean way of utilizing biomass energy. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

According to the unitary / binary combustion and explosion characteristic discrimination method and system for the urban combustible gas, gas concentration information and real-time environment parameters which can be monitored on site are utilized, a steam combustion and explosion characteristic test data set of the combustible gas is constructed through a combustion and explosion characteristic test, and a combustion and explosion characteristic prediction model is established based on the data set; rapid, accurate and comprehensive prediction of the combustion and explosion characteristics of the steam mixed gas of the combustible gas is realized, the combustion and explosion risk is calculated according to the combustion and explosion characteristics, and intelligent risk early warning is realized. According to the method, through a one-time integration method based on reinforcement learning, the distribution weights of multiple base learners in the machine learner group and the deep learner group are adaptively optimized, so that the prediction precision of the two types of learner groups is optimized. Through a quadratic integration method based on a multi-modal attention mechanism, original input features, model uncertainty, model historical performance and other aspects are fused, weights are further allocated to the two types of learning device groups, and respective advantages of the two types of learning device groups are fused to realize prediction result optimization.

The application discloses a biomass combustible gas hydrogen separation device and separation method, relates to the technical field of separation, and comprises a first separation box and a gas supply pipe arranged at the left upper side of the first separation box. A washing liquid for loading washing water is arranged in the first separation box. The right end of the gas supply pipe is provided with a washing water inlet pipe extending into the first separation box. The lower end of the washing water inlet pipe extends below the liquid level in the first separation box. The first separation box is provided with a vertical impurity removal filter plate for filtering the washed gas. The application is designed according to the existing needs. The pyrolysis gas can be subjected to solid impurity removal treatment, so that only gas exists in the exhaust gas, the screening efficiency of the molecular sieve in the later stage is ensured, the residual solid in the washing liquid can be removed, the washing effect is ensured, the impurity removal filter plate can be subjected to scraping operation, the problem of exhaust gas blockage is avoided, the separation efficiency of hydrogen is further ensured, and the practicality is high.

The present application relates to the field of microcapsules, and discloses a flame-retardant temperature-regulating phase change microcapsule and application thereof in polystyrene foam plastic. The polystyrene foam plastic contains carbon nanotube / magnesium-aluminum layered double hydroxide modified silica coated paraffin phase change microcapsules, the carbon nanotube / magnesium-aluminum layered double hydroxide modified silica wall material has high thermal conductivity, and the magnesium-aluminum layered double hydroxide generates water vapor when decomposed under heat, which dilutes combustible gas, and the decomposition products, silica and carbon nanotubes synergistically promote carbonization to form a dense carbon layer, achieving the effect of flame retardation. When the microcapsules are used as fillers of polystyrene foam plastic, the polystyrene foam plastic has good flame retardation and energy storage temperature regulation effects.

This utility model discloses an adjustable linear beam combustible gas detection device, including a pole fixed on the ground, a linear beam combustible gas detection unit, a solar power supply unit, and a communication transmission unit installed on the pole. The linear beam combustible gas detection unit is electrically connected to the solar power supply unit and the communication transmission unit respectively. The units work together to achieve accurate detection of combustible gases, data transmission without delay, remote real-time monitoring, and multi-level alarms. This device is suitable for installation in outdoor flammable and explosive environments and has explosion-proof, lightning protection, waterproof, wind-resistant, and dust interference-resistant characteristics.

The utility model discloses a system for synchronously preparing biochar with different qualities. The system comprises a starting device, a combustion chamber, a first carbonization device, a second carbonization device and an alkali metal element recovery device, combustible gas generated in biomass carbonization by the starting device, the first carbonization device and the second carbonization device is input into the combustion chamber for combustion, and energy consumption can be reduced. A first flue gas input port of the first carbonization device is hermetically connected with a first flue gas output port of the combustion chamber; a second flue gas output port of the first carbonization device is hermetically connected with a second flue gas input port of the second carbonization device; a third flue gas output port of the second carbonization device is hermetically connected with a third flue gas input port of the alkali metal element recovery device; the flue gas utilization efficiency can be improved, and energy consumption is reduced. The product output port of the second carbonization device is further connected with the second raw material input port of the alkali metal element recovery device, and the alkali metal element recovery device is added, so that waste of alkali metal elements is avoided.

The utility model discloses an aluminum bus welding rapid preheating device which comprises a baking gun gas conveying pipe, the tail end of the baking gun gas conveying pipe is connected with a gas inlet pipe joint, the gas inlet pipe joint comprises a combustible gas pipe joint and a combustion-supporting gas pipe joint, and the combustible gas pipe joint and the combustion-supporting gas pipe joint are connected to form a Y-shaped gas inlet pipe joint. A holding soft sleeve is connected to the outer surface of the baking gun gas conveying pipe in a sleeving mode, an L-shaped pipe connector is connected to the front end of the baking gun gas conveying pipe, a semi-annular bent pipe frame is installed at the top end of the L-shaped pipe connector, and a plurality of welding gun nozzles are installed on the inner side of the semi-annular bent pipe frame. According to the scheme, the front end opening of the gas conveying pipe of the baking gun is connected with the semi-annular bent pipe frame through the L-shaped pipe connector, and the welding gun nozzles which are symmetrically distributed are arranged on the inner side of the semi-annular bent pipe frame. The aluminum bus located at the circle center of the semi-annular bent pipe frame can be welded and preheated at the same time from multiple angles, the welding preheating efficiency is higher, and operation is easy.

This application provides an adaptive combined burner for exhaust gas calorific value, comprising a central assembly and peripheral assemblies. One end of the central assembly along the air intake direction is the combustion end, which delivers combustible gas and main combustion-supporting gas to the combustion end and ignites them to form the main flame. The peripheral assemblies surround the combustion end, and one end of the peripheral assemblies along the air intake direction has several combustion ends located downstream of the combustion end along the air intake direction. The peripheral assemblies include an exhaust gas duct for conveying exhaust gas and an exhaust gas-supporting combustion air duct for conveying exhaust gas and combustion-supporting gas. The exhaust gas-supporting combustion air duct is fitted around the exhaust gas duct, and both extend to the combustion ends, introducing the exhaust gas and exhaust gas-supporting gas into the combustion chamber. The peripheral assemblies also include a conical guide and a swirl vane assembly located at the combustion ends. The conical guide is located at the outlet of the exhaust gas duct with its tip facing the exhaust gas duct, and the swirl vane assembly is rotatably located at the outlet of the exhaust gas-supporting combustion air duct.

The invention relates to a pressure drop responsive gas tank, a gas tank opening device and a battery container equipped with a gas tank. The pressure drop responsive gas tank includes: a tank body inside a container, filled with a non-combustible gas, and having a discharge passage configured to discharge the non-combustible gas; and an opening device mounted on the discharge passage and configured to open the discharge passage such that the non-combustible gas is discharged from the tank body when an internal pressure of the container is below atmospheric pressure.