1735 results about "Gas release" patented technology

The utility model belongs to the technical field of air valves, and discloses an automobile, a massage seat and a seat air valve control device, comprising a massage air valve cavity, a massage air valve arranged in the massage air valve cavity, a waist support air valve arranged in a waist support air valve cavity, and air entering a main air inlet and passing through the massage air valve cavity and the waist support air valve cavity. The air enters an air bag connected with the waist support air bag connector and the massage air bag connector to form a waist support inflation air channel and a massage inflation air channel; gas in the gas bag is released through the massage gas valve cavity and the waist support gas valve cavity to form a waist support gas release gas path and a massage gas release gas path; the massage air valve and the waist support air valve control air to pass through the waist support inflation air path, the massage inflation air path, the waist support deflation air path and the massage deflation air path, and double services of waist massage and back massage are provided for a seat user. The massage air valve and the waist support air valve are used for replacing an electromagnetic air valve, so that the size is smaller, the energy consumption is lower, the resistance is smaller, the weight is lighter, the silence is better, the radiation is lower, and the cost is lower.

The invention discloses an energy storage battery pack PACK thermal runaway detection method, and relates to the technical field of battery thermal runaway detection. Comprising the following steps: collecting mechanical stress change data in battery charge-discharge circulation, and establishing a stress change data set; monitoring the pressure fluctuation trend in the single body in real time, recording pressure change data, and performing correlation analysis with the stress change data set through data synchronization to form a stress-pressure combined data set; inputting a material aging model and an interface fatigue analysis model, extracting a sensitive area and a failure point of interface aging, and quantifying a gas release risk; and on the basis of the quantized gas release risk, an abnormal trend curve is constructed in combination with historical data, feedback is performed, and early warning information is generated. According to the invention, accurate identification of the aging sensitive area and the high-risk monomer is realized.

The invention relates to the technical field of nano material application. The invention provides a ruthenium-doped Prussian blue nano-enzyme and a preparation method thereof. The ruthenium-doped Prussian blue nano-enzyme is obtained by reacting metal ruthenium with Prussian blue nano-particles at normal temperature. The invention further provides a nano-enzyme library containing the ruthenium-doped Prussian blue nano-enzyme and a construction method of the nano-enzyme library. The invention also provides the SNP-PB nano-enzyme obtained by loading sodium nitroprusside on the ruthenium-doped Prussian blue nano-enzyme. The ruthenium-doped Prussian blue nano-enzyme and the SNP-PB nano-enzyme both have good antibacterial and anti-inflammatory performance, after NO gas release capacity is given, the problem of resistance of a biological membrane is better solved, then oxidative stress resistance and periodontal bacterial infection resistance are better exerted, and a new treatment method is provided for periodontal diseases.

The invention relates to a rabbit meat freshness detection method based on an electronic nose technology. The volatile gas release mode of the rabbit meat under different storage conditions including temperature, humidity and time is analyzed through experiments, and key putrefying gas including dimethylamine, hydrogen sulfide and aldehydes and the concentration change trend are recognized; a metal oxide semiconductor (MOS) or an electrochemical sensor matched with the gas is screened according to the identified main decay gas, and a sensitive material means comprising a tin oxide thin film doped with platinum is optimized; a response matrix of different sensors to target gas is established through experiments, and a multi-sensor signal fusion algorithm is optimized; a temperature and humidity sensor is introduced, and environmental noise correction is performed in combination with odor signals; adopting a convolutional neural network feature extraction method to extract nonlinear features associated with the rabbit meat decay stage; docking the extracted smell features with the dynamic distribution model, and unifying the quantization dimension through a feature standardization algorithm; and correcting the predicted corruption trend in real time in combination with a smell distribution dynamic model.

The device is mainly used in the technical field of electrolytic hydrogen production. The invention discloses a water electrolysis hydrogen production system based on a proton exchange membrane electrolytic cell. The water electrolysis hydrogen production system comprises an electrolysis unit, a water circulation unit and a gas-liquid separation unit, the electrolysis unit is used for carrying out electrolysis treatment on the liquid water to obtain hydrogen, oxygen and gas-liquid mixed water; the gas-liquid separation unit comprises a primary separation module and a secondary separation module; the primary separation module is used for carrying out separation treatment on the gas-liquid mixed state water to obtain separated liquid water; the second-stage separation module is used for performing gas release treatment on the separated liquid water to obtain the liquid water after gas release; and the water circulation unit is used for transmitting liquid water after gas release to the electrolysis unit. According to the technical scheme, the release speed of the gas dissolved in the liquid water can be increased, the content of the gas in the liquid water is reduced, and therefore the safety risk of the water electrolysis hydrogen production system in the hydrogen production process is reduced.

The invention discloses a standard volume-based mass spectrum signal calibration system and method, and belongs to the field of measurement, the standard volume-based mass spectrum signal calibration system comprises a standard flow generation system and a mass spectrum detection system.The standard flow generation system comprises a standard tank, a first valve, a fifth valve and a micro-leakage valve which are sequentially connected through a gas pipeline; a gas inlet pipeline, a film gauge and a first molecular pump set are connected to a gas pipeline connecting the first valve and the fifth valve in parallel, a second valve is installed on the gas inlet pipeline, and a fourth valve is installed at an inlet of the first molecular pump set. The mass spectrometry detection system comprises a vacuum chamber communicated with the micro-leakage valve through a gas pipeline, a mass spectrometer, a second molecular pump set and a full-scale gauge are connected to the vacuum chamber, and a gate valve is installed at an inlet of the second molecular pump set. The gas release rate can be calculated and continuously adjusted on the premise that a leak hole is not needed, and the problems that in the prior art, a standard leak hole is limited in application range, low-flux measurement is inaccurate, the nominal leak rate is prone to drifting, and cost is high are solved.

The invention relates to a coal field fire high-temperature area identification and judgment method. The coal field fire high-temperature area identification and judgment method comprises the following steps: S10, delimiting a target area of a coal field, and respectively acquiring various data in the target area; s20, establishing a time rule model of temperature change through thermal-time sequence coupling; s30, establishing an incidence relation between temperature and radiation characteristics through thermal-spectral coupling; s40, establishing a chemical reaction association relationship between temperature and gas release through heat-gas coupling; and S50, constructing a three-dimensional feature space through the integration of S20, S30 and S40, classifying the three-dimensional feature space through machine learning, and outputting the probability corresponding to the high-temperature type. The coal field fire high-temperature area identification and judgment method has the advantages that high-precision and strong-anti-interference high-temperature area identification is achieved, and reliable technical support is provided for coal field fire monitoring.

The invention relates to the technical field of material testing, and particularly discloses an intelligent quality detection method and system for a micro-mineral bio-organic fertilizer, local thermal excitation is applied to a fertilizer sample through a micro-area thermal pulse excitation device, a gas release kinetic curve and a spectrum change track are synchronously collected, and a gas spectrum coupling data cube is constructed; performing differential transformation and modal decomposition on the time sequence feature set, extracting transient response feature vectors and generating an activity response distribution diagram; establishing component-activity correlation analysis, and decoupling biological metabolic activity and matrix background interference through feature separation and a comparative learning strategy to obtain a dynamic metabolic fingerprint; constructing a multi-dimensional feature space by using the dynamic metabolic fingerprints and the apparent characteristic parameters, and performing information aggregation and feature reconstruction by using a graph convolutional network to generate a comprehensive quality index; and finally, realizing quality grade judgment based on a quality characteristic pyramid structure, and establishing a dynamic early warning mechanism by analyzing time sequence evolution characteristics of the activity response distribution diagram.

The invention discloses a multiphase erosion corrosion coupling damaged pipeline simulation experiment test system and method. Comprising a screw pump, a pressure measurement module, a high-pressure rubber expansion joint, a gas release module, a check valve, a special feeding module, a temperature control measurement module, a wall shear force measurement bin, a fluid acceleration module, a buffer tank, a pipeline pressurization module, a temperature sensor, an electric control cabinet and a copper pipe coil cooler which are arranged on a circulating pipeline. The problem that the gas-liquid / gas-liquid-solid multi-phase erosion and corrosion coupling damage rule and the predicted damage rate are difficult to test in a high-sulfur, high-chlorine and high-acid severe environment in a petrochemical chemical production device is solved, and the damage rate of the petrochemical chemical production device is predicted by designing a special feeding structure, a pressurizing structure, an accelerating structure, a constant temperature structure, an anti-corrosion structure, an anti-abrasion structure, an anti-vibration structure and other structures and a temperature, flow, concentration and pressure precise regulation and control system. Long-time stable operation and accurate measurement of multi-phase scouring and corrosion coupling damage are realized, and safety evaluation and risk prevention and control of complex flow-induced damage of a petrochemical chemical production device are effectively supported.

The utility model discloses a combined lining structure of an underground gas storage. The combined lining structure comprises a plurality of linings and a plurality of buffer devices, wherein the number of the buffer devices is the same as that of the linings; the multiple linings are sequentially arranged on the inner wall of the underground gas storage cavern in the circumferential direction of the underground gas storage cavern, and buffering seams are reserved between the adjacent linings. Each buffering device is arranged at one buffering seam and comprises a bent buffering piece and two fixing pieces; the two ends of the buffering piece are connected with the two adjacent linings in a sealed mode through fixing pieces respectively. The buffering seams are arranged between the adjacent linings, and the buffering devices are used in a combined mode, so that during gas storage, gas pressure borne by the fragmented linings is transmitted to external surrounding rock, tension fracture damage of the linings is avoided, and the compression performance of the linings is remarkably improved; when the gas is released, the adjacent linings are mutually squeezed to form a stressed whole, instability damage is avoided, the service life of the underground gas storage can be remarkably prolonged, and the safety of the underground gas storage can be remarkably improved.

The invention relates to ore pulp mother liquor separation equipment, and belongs to the technical field of ore pulp treatment. Comprising an equipment body which forms a cavity; the flow stabilizing assembly is arranged in the cavity in a sliding mode; the cavity is divided into a first cavity body and a second cavity body which are independent from each other by the flow stabilizing assembly; the first cavity is connected with a liquid inlet assembly; the flow stabilizing assembly floats along the axis of the equipment body under the control of the liquid level height of the mother liquid in the first cavity; the second cavity is provided with an air pressure control assembly, the air pressure control assembly is configured to release air in the second cavity, and the air release flow Q is in negative correlation with the pressure P in the second cavity; and the ultrasonic assembly is arranged at the bottom of the equipment body. Under the condition of high liquid level, the flow stabilizing assembly can more effectively inhibit the fluctuation of the liquid level, so that the mother liquor separation process is stable and efficient, and the problem of poor separation effect caused by the fluctuation of the liquid level due to ultrasonic waves in the prior art is solved.

The invention relates to the technical field of ocean engineering observation, in particular to a submarine gas leakage three-dimensional time sequence monitoring method based on acoustic sensing. Comprising the following steps: S1, acquiring spatial characteristics of gas leakage based on sonar data; S2, integrating and constructing a three-dimensional gas leakage model by combining sensor data: carrying out space-time coupling on bubble rising speed, height, hierarchy, position and intensity data measured in S1 and data in S2, and generating a spatial distribution model of three-dimensional gas leakage; performing rotation correction on the position and the speed of each data point so as to dynamically update the three-dimensional gas leakage model, and visualizing the three-dimensional gas leakage model into a dynamic change diagram and a three-dimensional distribution diagram; and S3, transmitting the real-time monitoring data to a monitoring platform in a wired or wireless manner to provide a real-time alarm. According to the invention, three-dimensional characteristics of seabed gas release can be detected in real time based on sonar data, gas leakage positioning and acquisition of key parameters such as leakage intensity and height are realized, and accurate monitoring of a gas leakage area is realized.

The utility model relates to the field of gas-liquid mixing, and provides a bubble generator and an ozone aerator, the bubble generator comprises an inlet connecting end, an outlet connecting end and a throttler assembly, an inlet of the throttler assembly is detachably connected with the inlet connecting end, an outlet of the throttler assembly is detachably connected with the outlet connecting end, and the inlet connecting end is connected with the outlet connecting end. The throttler assembly comprises at least two sets of throttling holes and mixing chambers, and the throttling holes and the mixing chambers are alternately arranged in the direction from the inlet connecting end to the outlet connecting end. And the inner diameter of the throttling hole is continuously reduced. The utility model relates to a flow restrictor assembly, which is used for solving the defect of low inflation efficiency in the prior art, a gas-liquid mixed flow enters the flow restrictor assembly with a plurality of groups of throttling holes and a mixing chamber through an inlet connecting end, and the inner diameters of the plurality of groups of throttling holes are sequentially reduced to carry out multiple times of pressurization, gas dissolving, pressure reduction and gas release to obtain bubbles with smaller diameters, such as nano-scale bubbles. By arranging different groups of throttling holes and mixing chambers, the diameter of generated bubbles is adjusted, the adding efficiency of ozone and other gases is improved, and energy consumption is reduced.

A control method for a flame retardant system of an energy storage battery pack, comprising: for each battery module, when a fire occurs in the battery module, on the basis of sensor data provided by a sensor module corresponding to the battery module, determining the fire development stage of the battery module and, on the basis of the fire development stage, controlling the initial degree of opening of a gas release module corresponding to the battery module, so as to activate flame retardation; during the flame retardation, on the basis of the sensor data provided by the sensor module, updating the fire development stage of the battery module and, on the basis of the sensor data provided by the sensor module and the degree of opening of the gas release module, calculating a pressure relief rate of the battery module; and, if the current pressure relief rate falls outside of a target rate range corresponding to the current fire development stage, on the basis of the current sensor data, adjusting the degree of opening of the gas release module.

A system and method are provided in at least one embodiment to process water to produce gas that can be separated into at least two gas flows using a water treatment system having a disk-pack rotating in it to cause out gassing from the water. In a further embodiment, the method and system use the gas released from the water to produce substantially fresh water from the processed salt water.

The invention relates to a tunnel toxic gas detection method, device, equipment and system and a storage medium, and belongs to the technical field of information detection.The method comprises the steps that concentration measured values of multiple toxic gases collected by multiple gas sensor nodes in a tunnel are obtained; inputting the concentration measurement values of the various toxic gases into a linear minimum mean square error estimation model, and outputting the position of a gas leakage source and an estimated value of a gas release rate; inputting the estimated value of the gas leakage source parameter into a gas diffusion model, and outputting a gas diffusion parameter; the gas diffusion model is a static smoke plume gas diffusion model based on turbulence diffusion, and the gas diffusion parameters comprise the diffusivity of a gas leakage source; and inputting the estimated value of the gas leakage source parameter, the gas diffusion parameter and the standard-exceeding concentration threshold value of the toxic gas into a finite element prediction model, and outputting a toxic gas standard-exceeding prediction result. According to the invention, continuous monitoring and dynamic early warning of the toxic gas in the tunnel can be realized.

The invention relates to the technical field of air cannon launching, in particular to an air cannon launching device which comprises an air chamber, a piston, a launching tube, a diaphragm assembly, an air supply assembly and a pressure adjusting assembly. The pressure adjusting assembly drives the piston to move, so that the size of the gas storage cavity is reduced, and then the pressure intensity in the gas storage cavity is increased. And when the pressure intensity in the gas storage cavity exceeds the bearable limit of the diaphragm assembly, the diaphragm assembly is broken down. The transmitting tube is instantaneously communicated with the gas storage cavity, and the high-pressure gas can be instantaneously released. And the high-pressure gas flowing into the launching tube pushes the projectile to be ejected at an extremely high ejection speed. Compared with a traditional piston type air cannon launching device, the piston type air cannon launching device is simplified in structure and lower in failure rate. And compared with a traditional double-membrane-breaking type air cannon launching device, high-pressure gas release is extremely efficient, and membrane loss is reduced. Compared with a traditional electromagnetic valve type air cannon launching device, the electromagnetic valve type air cannon launching device is not limited by the response rate of an electromagnetic valve any more.

A modular device for generating hydrogen gas from a hydrogen liquid carrier may include a housing;an inlet for receiving the hydrogen liquid carrier; and at least one cartridge arranged within the housing. The cartridge may include at least one catalyst configured to cause a release of hydrogen gas when exposed to the hydrogen liquid carrier. The modular device may include a gas outlet for expelling the hydrogen gas released in the modular device and a liquid outlet for expelling spent hydrogen liquid carrier.

An airbag device that is stowed in the instrument panel of a vehicle in order to protect an occupant in a passenger seat and includes an inflator for generating expansion gas along with an airbag that inflates and deploys toward the occupant side via gas released from the inflator. The airbag is connected to the inflator and includes a main chamber positioned in front of the occupant properly seated during deployment and a sub chamber connected to at least one side of the main chamber. An inner vent through which gas flows, is formed at a boundary portion of the main chamber and the sub chamber. Furthermore, a check valve for opening and closing the inner vent is provided.

Methods for operating an electrolysis system that includes an electrolyzer for generating hydrogen and oxygen as product gases, a product gas flow being formed in a phase mixture including water and a respective product gas with a content of a foreign gas are provided. A rotation is impressed upon at least one product gas flow such that a phase separation of water and product gas is produced in the phase mixture, wherein the product gas is supplied to a catalytically active zone such that foreign gas is recombined with the product gas in order to form water, and after flowing through the catalytically active zone, the product gas released from the foreign gas is mixed with the liquid phase again in order to form a phase mixture.

The invention provides a method for suppressing internal misfire caused by turn-to-turn short circuit of a dry-type air-core reactor, and belongs to the technical field of dry-type air-core reactors. A turn-to-turn short circuit fault detection device combining differential protection and infrared thermal image detection is established to form a three-dimensional turn-to-turn short circuit feature vector, a four-dimensional internal misfire minimum ignition vector is obtained, and a fire development prediction model is established based on an Arrhenius equation. A double-layer game model for minimizing the upper-layer fire loss and minimizing the lower-layer fire extinguishing cost is constructed to optimize five-dimensional suppression vector parameters, and coordinated actions of suppression equipment such as power-off protection, forced ventilation, temperature suppression and inert gas release are controlled in real time through a suppression vector parameter adjustment function. The technical problem of fire suppression measure starting lag or excessive response caused by difficulty in accurately predicting the opportunity and degree of development of the turn-to-turn short circuit fault of the dry-type air-core reactor into the internal fire disaster is solved.

The invention relates to the technical field of agricultural microbial monitoring, in particular to a microbial action monitoring and analysis system which comprises a pollution detection module, a distribution recognition module, a state analysis module, a period extraction module and a node traceability module. According to the method, a pollution identification basis is constructed based on a multi-channel conductance deviation trend and a synchronization feature, flora distribution information is established by introducing a feature grouping mode of image texture, gray level and structural density, and consistency judgment is performed by combining direction deviation of three types of response data of conductance, gas release concentration and pH; the continuity and the staged response precision of microbial function state recognition are enhanced, and meanwhile, a linked list structure index path is constructed according to sampling time, position and channel sequence, so that a continuous mapping process can be formed by a front-back sequence and behavior transition relation of a state period; the structure expression capability and the rhythm construction efficiency of the multivariable monitoring data in the microbial action stage analysis are improved.

The invention provides an electric proportional valve and a control method, the electric proportional valve comprises a valve body and a control unit, and the valve body is provided with a gas inlet pipeline connected with a gas source, a gas outlet pipeline connected with a gas load and a gas exhaust pipeline communicated with the external environment; the control unit adjusts the proportion of the gas amount entering the gas outlet pipeline and the gas exhaust pipeline from the gas inlet pipeline based on closed-loop feedback control; a gas release pipeline is further arranged in the valve body, and part of gas in the gas outlet pipeline can be discharged to the external environment in the mode that the gas amount participating in closed-loop feedback control in the gas outlet pipeline is reduced. According to the electric proportional valve, the air pressure oscillation phenomenon of the air outlet pipeline under the low-flow and high-frequency switching air using demand scene can be remarkably reduced, and rapid, accurate and stable tracking of the target air pressure is achieved.

A method is disclosed for managing and safeguarding a battery environment. The method includes continuous monitoring of individual battery voltages in a battery room and automatic isolation of defective batteries, employing a controller-solenoid switch mechanism responsive to voltage abnormalities. The methodology accounts for the state of battery charging, invoking fan activation when charging occurs or hydrogen levels rise. Also disclosed is a system for managing a battery system in a battery room and isolating defective batteries. Enhanced system features include hydrogen sensors strategically placed throughout, including the ceiling, with outcome-driven fan operation and comprehensive notification mechanisms to inform on-site personnel of gas release locations, maintaining a secure and efficient battery room environment.

The invention discloses a battery thermal runaway early warning system and method.In the battery thermal runaway early warning system, at least one battery intelligent end cover device comprises a state information sampling module, and a gas sensor signal acquisition unit is arranged near a pressure release valve of a battery end cover so as to measure battery fault release gas to obtain a characteristic gas content signal; the battery surface temperature acquisition unit is attached to the surface of a battery end cover to acquire surface temperature information of a single cell, the battery pressure acquisition unit is attached to the surface of the battery end cover to acquire stress information of the single cell, and the battery voltage acquisition unit measures battery voltage data; fusing data of various sensors based on Bayesian deep learning of potential Dirichlet allocation of a time sequence, and extracting features to establish a multi-parameter lithium battery thermal runaway early warning model; and the thermal runaway early warning unit is connected with the time sequence potential Dirichlet allocation-based Bayesian deep learning module so as to early warn thermal runaway based on a model result.

A battery module includes a lower case accommodating a plurality of battery modules in a plane, a plurality of internal members provided to separate the battery modules accommodated in the lower case from each other, gas inlet holes formed in a predetermined number of the internal members to allow gas released from a battery cell of each of the battery modules to be introduced therethrough, and an external member disposed to receive the gas from end portions in the predetermined number of the internal members including the gas inlet holes and discharge the gas to the outside thereof.

To provide an electrochemical hydrogen booster system in which a regenerated hydrogen gas can be utilized without being discharged to the outside as waste and the decline of a hydrogen production efficiency of the electrochemical hydrogen booster system can be suppressed.SOLUTION: An electrochemical hydrogen booster system 10 comprises: a hydrogen booster stack 16 for releasing a hydrogen gas supplied to an anode electrode as a highly pressured hydrogen gas boosted from a cathode electrode through a polymer electrolyte; a hydrogen supply apparatus 14 for supplying the hydrogen gas to the anode electrode of the hydrogen booster stack 16 through a hydrogen supply flow path 60; a PSA apparatus 22 including multiple adsorption towers 24 for dehumidifying the highly pressurized hydrogen gas released from the hydrogen booster stack 16; and a return flow path 94 for recycling a regenerated hydrogen gas utilized for the regeneration in the adsorption tower 24 into the hydrogen supply flow path 60 or the hydrogen supply apparatus 14.SELECTED DRAWING: Figure 1

The invention relates to the technical field of underground energy storage, in particular to a gas storage cavern grouting confining pressure real-time monitoring system and method based on the piezoresistive effect, and the system comprises a grouting reinforcement module which is used for injecting grout into a target gas storage cavern and laying a lining to form a grouting reinforcement area; the resistance detection module is used for detecting resistivity distribution characteristics of the grouting reinforcement area in real time; the confining pressure monitoring module is used for analyzing the resistivity distribution characteristics based on a preset piezoresistive modified slurry resistivity-surrounding rock stress relation model to obtain the actual stress state of surrounding rock; and the early warning regulation and control module is used for triggering an early warning signal based on the actual stress state of the surrounding rock and releasing gas. According to the invention, continuous and non-contact measurement of the surrounding rock stress state of the gas storage cavern can be realized.

The present invention proposes a B1-class halogen-free, low-smoke, flame-retardant special cable and its preparation method. The cable comprises: a cable core formed by wrapping a control core and a power core, a flame-retardant filling rope, a wrapping layer, a flame-retardant tape layer, a total shielding layer, a ceramic fireproof layer, and an outer sheath. The present invention uses a cross-linked polyethylene sheath to form an outer layer of protection, a ceramic fireproof layer to form an intermediate shell flame-retardant insulation layer, and a flame-retardant tape layer combined with expandable graphite as an inner layer of buffer insulation, thereby achieving multiple flame-retardant insulation for the cable core, inhibiting the release of burning drips and toxic smoke with corrosion, and meeting and exceeding the B1-class flame-retardant requirements. By using low-smoke, halogen-free materials, the release of toxic gases can be reduced during combustion. At the same time, a double-layer hardness flame-retardant filling rope is twisted in the core to make the cable more round as a whole, and to allow the flame-retardant material to be fully filled into the cable core, achieving a better flame-retardant effect, and having certain buffering, compression resistance, torsional resistance, and fatigue resistance effects, thereby improving the mechanical properties of the cable.

A system is provided in at least one embodiment to process water to produce gas that can be separated into at least two gas flows using a water treatment system having a disk-pack rotating in it to cause out gassing from the water. In a further embodiment, the system use the gas released from the water to produce substantially fresh water from the processed salt water.