127 results about "Gas management" patented technology

The invention provides an intelligent gas meter remote meter reading method and system based on the Internet of Things, and relates to the technical field of intelligent gas meters. The method comprises the following steps: collecting local metering data and Internet of Things transmission data; constructing a dual-source data multi-dimensional conflict identification system, and screening conflict data groups; performing accuracy verification on the conflict data group; an encrypted transmission channel is established, and the traceability of the data transmission process is realized; triggering a grading early warning mechanism for the abnormal usage data deviating from the baseline; and carrying out iterative updating on the meter reading data knowledge base, and carrying out remote calibration. According to the method, double-source data conflicts are identified through multiple dimensions, conflict data are corrected in combination with a hybrid model, metering accuracy is guaranteed, and disputes are reduced; through constructing a baseline model and a grading early warning mechanism, abnormal usage is accurately identified and disposed, hidden dangers are timely prevented, and service is excellent. Through dynamic on-demand remote calibration of equipment, the metering precision is guaranteed, the operation and maintenance cost is reduced, the user data transparency is improved, and intelligent gas management is assisted.

The invention relates to a movable tungsten resource recovery device integrating light hydrogen production, hydrogen metallurgy and tungsten transportation, and belongs to the technical field of clean energy and low-carbon metallurgy. The invention aims to solve the problems of environmental pollution, high energy consumption, complex process and the like when the high-stability tungsten-containing waste is treated by a traditional recovery method. The device is constructed on a mobile platform and comprises a core reaction module, a photocatalytic methanol reforming hydrogen production module, a precise gas management and supply module, an energy and water recovery module, a hydrogen regeneration and circulation module, a waste pretreatment module, a product treatment and separation module, an integrated process control and safety monitoring module and the like. Through the optimally designed oxidation-reduction process and the hydrogen metallurgy principle, efficient recovery of tungsten and associated metal is achieved, meanwhile, energy recovery and a hydrogen internal circulation system are integrated, the energy efficiency is remarkably improved, the sustainability is enhanced, and the device has the advantages of mobile operation, cleanliness, environmental protection, high safety, high resource recovery rate and the like.

A hybrid electrochemical device configuration that comprises a first electrode that includes a redox reactive material or an alloy based on a transition metal, a second electrode that includes a multi-functional catalyst to catalyze hydrogen evolution reaction, hydrogen oxidation reaction, and water oxidation reaction at the second electrode, a separator disposed between the first and second electrode, an electrolyte disposed between the first electrode and the second electrode, and a conduit which provides the means to compensate for water loss in the electrolyte during electrochemical device operation. At least one valve is included that connects the electrolyte management system to the conduit system and a valve to connect the gas formed in the electrode to the gas management system. The electrochemical device configurations include several individual devices stacked on top of each other and separated from each other using separation plates.

A method and system of determining a pressure regulation scheme at an intelligent gas gate station based on an Internet of Things are provided. The method is performed by at least one processor of an intelligent gas management platform, and the intelligent gas management platform includes an intelligent customer service management sub-platform, an intelligent operation management sub-platform, and an intelligent gas data center. The method includes: obtaining, by a processor of the intelligent gas data center, gas terminal information from an intelligent gas object platform through an intelligent gas sensor network platform; predicting, by a processor of the intelligent operation management sub-platform, a gas gate station flow by analyzing the gas terminal information based on a flow model; determining, by the processor of the intelligent operation management sub-platform, gas gate station pressure; obtaining a pressure sum; and determining the pressure regulation scheme based on the pressure sum and a total pressure threshold.

A method for managing energy-saving early warning of a smart gas flowmeter is provided. The method is executed by a smart gas management platform. The method comprises obtaining a remaining power of the smart gas flowmeter, determining a confidence level of the remaining power based on at least environmental data, determining a calibrated power by calibrating the remaining power based on the confidence level, determining whether to issue a power alert to a gas user based on the calibrated power, operation data of the smart gas flowmeter, and at least one reference correspondence. The reference correspondence represents a relationship between an operation behavior of the smart gas flowmeter and a power consumption. The method also comprises generating an energy-saving management and operation scheme of the smart gas flowmeter in response to a determination that the power alert is issued to the gas user.

A method and an Internet of Things (IoT) system for allocating maintenance tasks based on smart gas are provided. A smart gas management platform of the Internet of Things (IoT) system is configured to: obtain call consultation data information; generate first data information from the call consultation data information; generate one or more maintenance feature vectors of a maintainer to be evaluated; determine a first maintenance evaluation value for the one or more maintenance feature vectors; generate second data information; determine and input user-side gas feature data, gas composition features, gas entry features, and gas upstream transportation features into a gas fault prediction model to predict a gas fault type; generate a location accuracy of one or more location feature vectors; adjust a work order processing scope of the maintainer to be evaluated based on a multi-dimensional maintenance evaluation value; and allocate subsequent maintenance tasks.

The present invention discloses a comprehensive gas management system based on a large model, which relates to the field of gas management technology. The comprehensive gas management system based on a large model includes: a gas monitoring module and a gas safety management module. The present invention automatically calculates and adjusts the monitoring frequency according to the gas usage pattern of the target household and the real-time status of the gas pipeline network, thereby reducing unnecessary data collection and reducing potential risks to user privacy; ensuring the real-time and accuracy of gas data; by integrating necessary data such as gas concentration, pipeline pressure, valve status, and optional data such as ambient sound spectrum, combined with graph attention networks and digital twin models, it realizes deep fusion and deep analysis of multi-source data, thereby improving the comprehensiveness and accuracy of gas safety judgments; and adopts a multi-level safety warning mechanism to effectively improve the sensitivity and reliability of gas safety warnings.

An off-chain gas management system allows Web3 developers to cover gas fees for their users. When a user wants to complete a blockchain transaction, the system receives a sponsorship request through an API and checks if the operation qualifies under the developer's gas sponsorship policy. Policies include spending limits, approved addresses, and time restrictions. If approved, the system creates a cryptographic signature that authorizes transfer of the gas fee amount. An on-chain contract validates the signature before covering the gas fees. The system includes a user interface for creating and managing policies with configurable spending controls and address restrictions. Advanced features use machine learning to allocate funds based on user value, detect fraud, classify transaction types, optimize cryptocurrency purchases, and predict when funds will run out. This eliminates the barrier of users needing to own cryptocurrency to pay gas fees while maintaining security through automated policy enforcement and cryptographic validation.

The utility model relates to the technical field of gas control, in particular to a drilling blowout preventer for gas control, which comprises a single two-cavity pneumatic delay gas-water-slag separating device, one end of the outer surface of the single two-cavity pneumatic delay gas-water-slag separating device is fixedly connected with a fixing pipe, and one end of the fixing pipe is fixedly connected with a fixing flange. According to the drilling blowout preventer for gas control, due to the arrangement of the single two-cavity pneumatic time-delay gas-water-slag separation device, the fixing pipe, the connecting pipe, the positioning pipe and the air bag, when the drilling blowout preventer is used, the single two-cavity pneumatic time-delay gas-water-slag separation device can conduct two-stage separation on gas, water and slag, a two-cavity locking gas sealing chamber structure is adopted, and the gas-water-slag separation device can conduct two-stage separation on the gas, the water and the slag; a pneumatic delay valve element is used for acting according to a certain time period to alternately open and close water slag discharge port valves of the two cavities, gas, water and slag are automatically separated in the closed cavities, space body exchange in the extraction state is achieved, gas overflow is effectively eradicated, and gas alarm over-limit of the environment nearby drilling is prevented.

A gas management system includes an anodic chamber, a cathodic chamber, and a membrane assembly configured to remove bubbles from an electrochemical cell to increase hydrogen generation of the electrochemical cell. The membrane assembly includes a first outer layer arranged between the cathodic chamber and the anodic chamber, a second outer layer arranged between the first outer layer and the cathodic chamber, and a spacer layer arranged between the first outer layer and the second outer layer.

The present invention provides a novel micro-flow control system for satellites using a Tesla-like valve structure, comprising a xenon gas path control system and a circuit control system. The xenon gas path control system includes a novel micro-flow controller using a Tesla-like valve structure for satellites. The novel micro-flow controller includes a sealed cavity with a xenon gas inlet and outlet, and multiple flow channels within the sealed cavity connecting the xenon gas inlet and outlet. The present invention utilizes the Tesla valve structure's progressive throttling characteristics during reverse flow to design the flow channels of the micro-channel flow controller. Theoretically, this design can achieve near-perfect, precise control of xenon gas pressure and flow. The successful implementation of this invention is of strategic significance for improving xenon gas management in space Hall-effect electric thrusters, enhancing the precision of micro-flow distribution and coordinated control, and increasing their maneuverability.

A gas management system includes an anodic chamber, a cathodic chamber, and a membrane assembly configured to remove bubbles from an electrochemical cell to increase hydrogen generation of the electrochemical cell. The membrane assembly includes a first outer layer arranged between the cathodic chamber and the anodic chamber, a second outer layer arranged between the first outer layer and the cathodic chamber, and a spacer layer arranged between the first outer layer and the second outer layer.

A method of additive manufacture is disclosed. The method may include restricting, by an enclosure, an exchange of gaseous matter between an interior of the enclosure and an exterior of the enclosure. The method may further include running multiple machines within the enclosure. Each of the machines may execute its own process of additive manufacture. While the machines are running, a gas management system may maintain gaseous oxygen within the enclosure at or below a limiting oxygen concentration for the interior.

The invention relates to the field of coal mine gas treatment and utilization, and discloses a coal mine gas power station gas metering analysis system. The system comprises a flow metering unit based on a large-pipe-diameter V-cone flowmeter and differential pressure / pressure / temperature three parameters, a multi-point gas sampling and analyzing unit for cyclic sampling and parallel preprocessing, a methane concentration analyzing unit based on TDLAS and a redundant channel, a PLC metering and data integrity unit with an ms-level time reference and 64-bit high-precision calculation, and a data processing unit based on a redundant channel. A positive pressure purging explosion-proof control and alarm interlocking unit; and a local / cloud data issuing unit. The system solves the comprehensive problems of short straight pipe section, ultra-low concentration real-time analysis, continuous and reliable data and on-site explosion prevention, and the metering and safety management and control level of a gas power station is remarkably improved.

A method of additive manufacture is disclosed. The method may include restricting, by an enclosure, an exchange of gaseous matter between an interior of the enclosure and an exterior of the enclosure. The method may further include running multiple machines within the enclosure. Each of the machines may execute its own process of additive manufacture. While the machines are running, a gas management system may maintain gaseous oxygen within the enclosure at or below a limiting oxygen concentration for the interior.

The application provides a data communication method, device and storage medium. The method is applied to a gas device including a processing unit and a metering module. The method includes the following steps: obtaining function data, encapsulating the function data into a data frame by using a preset frame structure, sending the data frame to the metering module, and obtaining a response. Flexible data transmission is realized. The preset frame structure encapsulates data, which can accommodate more types of function data, realizes complex data interaction requirements, and thus improves the technical problem of insufficient data transmission capacity of a gas meter in the related art caused by strict limitation of the number of fields, which is difficult to meet the requirements of modern gas management systems on data richness, flexibility and expansibility, and improves the intelligent level of the gas metering device.

The invention discloses an oil and gas management off-grid electric valve with a methanol fuel cell, and relates to the technical field of oil and gas conveying pipeline control equipment, in particular to the oil and gas management off-grid electric valve with the methanol fuel cell. The device comprises an electric valve, a photovoltaic panel, an energy storage lithium battery, a methanol fuel cell and a methanol barrel which are arranged on an oil-gas pipeline. The photovoltaic panel converts light energy into electric energy to charge the lithium battery, and the lithium battery provides operation power for the valve. The methanol fuel cell is connected with the lithium battery and is started and stopped under the control of the voltage of the lithium battery. The device preferably further comprises a power management control system which is used for monitoring the voltage of the lithium battery, starting the fuel battery to charge the lithium battery when the voltage is lower than a lower limit, and closing the fuel battery when the voltage is higher than an upper limit, so that automatic management and supplement of energy are realized. According to the invention, a hybrid power supply mode with photovoltaics as a main mode and methanol fuel cells as an auxiliary mode is utilized, and the long-term off-grid stable power supply problem of oil and gas valves in remote areas is solved.

The invention discloses a heat storage type gas oxidation destroying device based on coal gangue waste heat driving, and relates to the technical field of coal mine solid waste resource utilization and gas treatment, the heat storage type gas oxidation destroying device comprises a support, the support is provided with a coal gangue combustion unit, a gas preheating unit, a heat storage oxidation unit, a gas pretreatment unit and an intelligent control unit, the coal gangue combustion unit comprises a discharged material conveying device, the coal gangue which is a solid waste is innovatively used as a core waste heat source, heat energy released by combustion of the coal gangue indirectly preheats heat storage oxidation destruction of low-concentration gas, and cooperative treatment of the two kinds of waste is achieved. On one hand, the resource utilization rate of the coal gangue is greatly improved, and spontaneous combustion pollution is avoided; and on the other hand, methane in ventilation air methane is efficiently decomposed, emission of massive greenhouse gas can be reduced every year, the dual environmental protection targets of solid waste reduction and gas waste purification are achieved from the source, and the environment cooperative treatment effect is remarkably superior to that of a traditional independent treatment mode.

The application provides a kind of wisdom gas terminal energy-saving control Internet of Things system and method, it is related to Internet of Things technical field, this method is based on the wisdom gas management platform of wisdom gas terminal energy-saving control Internet of Things execution, including: by wisdom gas object platform obtains the gas use data and gas image data of target user;Based on gas use data, gas image data determines combustion state distribution;In response to the combustion state distribution meets preset condition, based on combustion state distribution determines energy-saving parameter;And based on energy-saving parameter determines energy-saving instruction and driven adjustment instruction, to adjust the valve opening of valve control device based on energy-saving instruction and driven adjustment instruction.The combustion state is evaluated, and the energy-saving parameter is adjusted according to the state of combustion, so as to appropriately reduce the gas flow rate, in the case of ensuring that the provided gas flow rate meets the user demand, the effect of energy saving and environmental protection is achieved.

The application discloses a multi-mode gas management system, which comprises a pressure management system, a fuel supply control system, a reliquefaction control system, a reburning control system and a venting control system of a gas exhaust mast. The pressure management system is used for selection of a navigation pressure mode and a cargo hold pressure control mode. The fuel supply control system is used for providing fuel gas with stable pressure for power generation main engines and propulsion main engines. The reliquefaction control system lowers the BOG evaporation rate by lowering the temperature and pressure of the cargo hold, and deep-freezes and liquefies the BOG in the cargo hold. The reburning control system is used for protecting the pressure of the cargo hold. The venting control system of the gas exhaust mast is used for discharging gas into the atmosphere when the gas cannot be combusted and the ship is in the open sea. The application avoids unit pressure fluctuation interference in a mode, and guarantees safe and stable operation of an LNG transport ship.

The invention discloses a fuel gas management integrated system based on an IMS platform, and relates to the technical field of data management. The system comprises an intelligent management and control decision scheduling center, a basic software architecture layer, a security system and a hardware infrastructure. Data collected by the hardware infrastructure is uploaded to the basic software architecture layer through the security system; the basic software architecture layer comprises a GIS service module, a data management module, a BPM management module and a workflow engine module; the intelligent management and control decision scheduling center comprises a gas management system, a gas monitoring system, a pipe network GIS system, a gas security check management system, an accident emergency command system and a KPI decision analysis system. By controlling the pipeline gas system nodes and the flow, the pressure and the like in the running state of the pipeline gas system nodes, all-directional and real-time monitoring is carried out, remote monitoring of gas and visual management of pipelines are achieved, and the gas management efficiency and the gas safety are improved.

The embodiments of the present disclosure provide methods and Internet of Thing systems for determining a gas leakage based on smart gas. The method may be implemented by a processor of a smart gas safety management platform based on an Internet of Things system for determining a gas leakage, comprising: obtaining first pipeline data located at a plurality of points of a gas pipeline network; determining a target pipeline section based on the first pipeline data; obtaining second pipeline data at both ends of the target pipeline section; determining a location of a gas leakage of the target pipeline section based on the second pipeline data; and feeding the location of the gas leakage back to a terminal of a gas management user.

A pistol comprising a frame, a slide operable to reciprocate with respect to the frame and having an upper surface and a forward end. A barrel received by the slide and having a muzzle spaced rearward from the forward end of the slide, and the upper surface of the slide being sloped upward forward of the muzzle of the barrel.

The invention relates to the technical field of mining engineering, and discloses a method for preventing harmful gas in fractures of a driving working face for underground coal mining, which comprises the following steps of: 1, determining fault and fracture trends, widths and influence ranges by geophysical exploration, drilling and drill rod exploration, and mastering distribution and occurrence states of gas and hydrogen sulfide; 2, according to the conditions of fracture gas and hydrogen sulfide, drilling treatment is conducted in a working moraine head or an ear tunnel drilling site; thirdly, an extraction system and an extraction pipeline are installed, and an extraction receiving and plugging material is prepared; fourthly, poisonous and harmful gas is extracted through moraine head drilling or ear way drilling; 5, comprehensive treatment is conducted through local ventilation, gas inspection, an extraction system, reinforcement supporting and long-distance blasting; the tunneling efficiency can be improved, the difficulty and safety risk of gas control are reduced, and the production cost of coal mining is reduced.

The utility model provides an intelligent control system for plasma spraying, which belongs to the technical field of spraying and comprises a control cabinet, and the control cabinet is used for controlling and monitoring a power supply cabinet, a gas management center, a powder feeder, a transfer box, a spray gun and a cooling unit. The power supply cabinet is connected with the spray gun through the transfer box and is used for generating plasma; the gas management center comprises a gas carrying pipeline, a plurality of gas pipes and a gas mixing structure, the gas carrying pipeline and the gas pipes are connected into the gas mixing structure, and the gas mixing structure is connected with the spray gun through a transfer box and used for providing plasma gas; the gas carrying pipeline is further provided with a branch pipe, and the branch pipe is communicated with the powder feeder. According to the scheme, the production data is monitored in real time, the parameters are dynamically corrected based on the production data, manual intervention is reduced, the amplitude threshold is adjusted according to the set parameters of all the components, sound-light alarm is triggered when the parameters exceed the set range, equipment overload is prevented, early fault positioning is achieved for key parameters of all the components, and the shutdown risk is reduced.

The present application provides a kind of high-pressure heat treatment device, it includes: internal chamber, the object to be carried out heat treatment is housed;External chamber, it is provided with: shell;And partition plate, the shell is divided into the high temperature area of the internal chamber and the low temperature area of the temperature lower than the high temperature area of the above-mentioned, and is provided with drain hole on the partition plate, the high temperature area and the low temperature area are communicated;Gas supply module, with the first pressure higher than atmospheric pressure, process gas for the heat treatment is supplied to the internal chamber, with the second pressure, protective gas is supplied to the external chamber, the setting of the second pressure is closely related to the first pressure;And discharge module, the opening of the drain hole is controlled, and the protective gas in the high temperature area is discharged to the low temperature area.

The embodiments of the present disclosure provide methods and Internet of Thing systems for determining a gas leakage based on smart gas. The method may be implemented by a processor of a smart gas safety management platform based on an Internet of Things system for determining a gas leakage, comprising: obtaining first pipeline data located at a plurality of points of a gas pipeline network; determining a target pipeline section based on the first pipeline data; obtaining second pipeline data at both ends of the target pipeline section; determining a location of a gas leakage of the target pipeline section based on the second pipeline data; and feeding the location of the gas leakage back to a terminal of a gas management user.

An automated inert gas management system (100) includes an inert gas container (102), control valves (110, 138), electronic pressure transmitters (106, 114, 136), and a controller (128) The inert gas container (102) stores and releases an inert gas into a tank (122) via a container valve (104). The control valves (110, 138) selectively inject and release the inert gas into / from the tank (122). The electronic pressure transmitters (106, 114, 136) continuously measure and transmit pressure values of the inert gas in the inert gas container (102) and the tank (122). The controller (128) determines a condition associated with the inert gas in the tank, for example, leakage, oil expansion, etc., based on the pressure values and one or more configurable parameters, and selectively actuates the control valves (110, 138) to maintain a pressure of the inert gas in the tank based on the determined condition.

1. Name of the product in this design: Safety Valve (KD-DN50). 2. Purpose of this design: Primarily an industrial pipeline valve for monitoring the internal pressure of natural gas pipelines and uploading the data to the gas company's system. It plays a role in safe gas management. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A hybrid electrochemical device configuration that comprises a first electrode that includes a redox reactive material or an alloy based on a transition metal, a second electrode that includes a multi-functional catalyst to catalyze hydrogen evolution reaction, hydrogen oxidation reaction, and water oxidation reaction at the second electrode, a separator disposed between the first and second electrode, an electrolyte disposed between the first electrode and the second electrode, and a conduit which provides the means to compensate for water loss in the electrolyte during electrochemical device operation. At least one valve is included that connects the electrolyte management system to the conduit system and a valve to connect the gas formed in the electrode to the gas management system. The electrochemical device configurations include several individual devices stacked on top of each other and separated from each other using separation plates.