The present disclosure provides a method and a system for safety monitoring of gas facilities in a comprehensive pipeline gallery based on IoT, the method includes: obtaining first monitoring data of a gas cabin and second monitoring data of other cabins from at least one monitoring position combination; determining a joint risk of the one or more first monitoring positions based on the first monitoring data and the second monitoring data; determining a maintenance parameter and/or adjusting at least one monitoring parameter based on the joint risk; generating at least one adjustment instruction based on adjustment amount of the monitoring parameter, determining an adjustment priority of the at least one monitoring parameter based on a data uploading intensity of the gas cabin, sending the at least one adjustment instruction to the corresponding one or more first monitoring positions based on the adjustment priority sequentially.

A method and a system for supervising safety ventilation of an underground gas pipeline corridor based on Internet of Things (IoT) are provided. The method is executed by a gas company management platform. The method includes obtaining environmental data of a pipeline corridor segment of the underground gas pipeline corridor from a gas equipment object platform via a gas company sensing network platform, and obtaining pipeline corridor data of the underground gas pipeline corridor from a government supervision comprehensive database via a smart gas government safety supervision sensing network platform, wherein the pipeline corridor data include at least one of ventilation data, structural data, and distribution sequence data; determining a corrosion reaction degree of the pipeline corridor segment based on the environmental data and the pipeline corridor data; and adjusting a ventilation intensity of the pipeline corridor segment in response to the corrosion reaction degree meeting a predetermined adjustment condition.

A vehicle-mounted hydrogen supply method and device for hydrogen-rich smelting in a blast furnace or shaft furnace, combining steel plant hydrogen supply requirements with vehicle-mounted hydrogen supply technologies to construct a vehicle-mounted hydrogen supply system applied to hydrogen-rich smelting in a blast furnace or shaft furnace, thus providing an effective and reliable pathway for safe and stable hydrogen supply in a blast furnace or shaft furnace smelting process to perform hydrogen-rich smelting testing and production. Compared with a newly-built hydrogen plant, the invested construction cost is low, the operation flow is simple, the method and device are not limited by technical upgrading and transformation, and the flexibility is high. At the same time, two working long pipe vehicles and two pressure reducing system intake pipelines are used for solving the problem of continuous hydrogen supply required for hydrogen-rich smelting in a blast furnace.

The embodiments of the present disclosure provide a method for troubleshooting potential safety hazards of a compressor in a smart gas pipeline network and an Internet of Things system thereof. The method comprises: performing a purification process on sound data of a gas compressor, and determining a target sound feature; establishing a feature data vector library based on networked data and reference device data; determining a current gas data vector and a current device data vector based on gas data and device data, respectively; searching the feature data vector library based on the current gas data vector and the current device data vector, and determining a reference sound feature and a reference vibration feature that meet a preset condition as a standard sound feature and a standard vibration feature; and predicting whether there is a safety hazard in the gas compressor using a hazard model.

An aspect of the disclosure includes a natural gas leakage detection device. The natural gas leakage device includes a metering interface for detecting usage of natural gas. A clock is provided to determine time of day and one or more predetermined times when no natural gas usage is expected. A first sensor is used to determine whether a furnace is operating. A monitoring device is provided. The monitoring device being operable during the one or more predetermined times when no natural gas usage is expected, to monitor the metering interface and the first sensor and to perform an action in response to natural gas usage being detected during the one or more predetermined times when no natural gas usage is expected and the first sensor determines that the furnace is not operating.

A circulating inset-gas seal system based on gas-supply servo device and QHSE based storage and transportation method are provided. The gas-supply servo device includes a servo constant pressure unit including: inlet gas compressors a charging check valve, a gas supply container and a degassing valve control unit which are connected in sequence and communicated and controlled by a one-way valve. According to a preset gas pressure of the gas phase space in the material container, a inert sealing medium filled in the material container group is received, stored and released via an inerting pipe to form a station-type circulating inert seal system. A multi-group circulating inerting system cooperates with a mobile material container for self-sealing loading and unloading, which is capable of realizing a QHSE storage and transportation system with no gas phase emission.

The present disclosure provides a method, an Internet of Things (IoT) system, and a medium for presetting emergency devices of smart gas. The method comprises determining gas supply and demand features based on node data and downstream user features of a gas pipeline network. The method also comprises determining a plurality of gas emergency regions based on the gas supply and demand features, and continuously obtaining location data and carrying data of a plurality of emergency devices. The method further comprises determining a dynamic deployment scheme for the plurality of emergency devices based on the plurality of gas emergency regions, the location data, and the carrying data, the dynamic deployment scheme including locations of the plurality of emergency devices of at least one time point, generating a movement instruction based on the dynamic deployment scheme, and sending the movement instruction to the plurality of emergency devices.

The invention relates to a system and method for managing gas within one or more receptacles in one or more locations. The system and method comprises a control system that is configured to analyse data relating to gas transfer operations to identify gas leaks and to calculate the rate of any gas leaks identified.

Method for hindering the non-authorized withdrawal of a liquid from at least one offtake conduit connected to a main conduit for the transport of the aforementioned liquid, in particular a mixture of hydrocarbons and water, the main conduit having an inlet port and at least one outlet port between which the liquid flows, the method comprising the step of: introducing a plurality of solid objects into the main conduit through the at least one inlet port, the plurality of introduced solid objects having weight, dimensions and density such as to be transportable towards the at least one outlet port by the main flow of the liquid and such as to be able to be possibly captured by the offtake flow of the liquid directed towards the offtake conduit, and such as to be able to possibly at least partially obstruct such an offtake conduit.

An aspect of the disclosure includes a natural gas leakage detection device. The natural gas leakage device includes a metering interface for detecting usage of natural gas. A clock is provided to determine time of day and one or more predetermined times when no natural gas usage is expected. A first sensor is used to determine whether a furnace is operating. A monitoring device is provided. The monitoring device being operable during the one or more predetermined times when no natural gas usage is expected, to monitor the metering interface and the first sensor and to perform an action in response to natural gas usage being detected during the one or more predetermined times when no natural gas usage is expected and the first sensor determines that the furnace is not operating.