49 results about "Flammable gas" patented technology

One variation of a system includes a set of electrode modules configured to install a battery storage container storing a set of battery cells, each electrode module configured to generate spark discharge at a pair of gapped electrodes to locally combust flammable gas accumulating proximal the electrode module during a fault event at a battery cell. This variation of the system also includes a discharge control module electrically coupled to the set of electrode modules via a set of ports and configured to: detect an ignition event within the battery storage container responsive to spark discharge at an electrode module in the set of electrode modules; set a frequency for spark discharge at the set of electrode modules in response to detection of the ignition event; and via the set of ports, trigger each electrode module to generate spark discharge at the frequency.

The utility model relates to the technical field of energy storage systems, in particular to a box body and cell explosion-proof valve combined structure and a battery pack, the box body and cell explosion-proof valve combined structure comprises a box body, a cover plate, a cell and a cell outer explosion-proof valve, the cover plate covers the box body, and the cell outer explosion-proof valve is arranged on the cover plate. According to the utility model, the structure of the upper box body is optimally designed, the explosion-proof valve is fixedly arranged at the top of the box body, the lower surface of the explosion-proof valve is over against the explosion-proof valve in the battery cell, and the battery cell is directly discharged to the top from the box body after the valve is opened, so that combustible gas is quickly and effectively discharged, and the flammable and combustible gas is prevented from being accumulated to cause deflagration; the safety risk is reduced. The explosion-proof valve can solve the technical problem that combustible gas at the top of the battery box still cannot be discharged after the explosion-proof valve is opened.

This invention discloses a control system for an intelligent inspection robot for stormwater and sewage pipelines, comprising a microcontroller unit, a multi-sensor module, an image acquisition module, a communication module, and a power module. Through multi-sensor collaborative perception and intelligent decision-making mechanisms, it integrates multi-dimensional data such as images, distance, and environmental data, and employs adaptive path planning and obstacle avoidance algorithms, making it suitable for autonomous inspection tasks in complex pipeline environments. The image acquisition module integrates a high-definition camera and a WiFi module; the distance detection unit combines ultrasonic and infrared ranging sensors to achieve complementary ranging and improve detection accuracy; the environmental monitoring unit uses gas sensors to detect the concentration of toxic and flammable gases such as ammonia and sulfides in the pipeline in real time, and automatically triggers an early warning when the concentration exceeds the standard. This effectively solves the problems of existing pipeline robots, such as single sensor detection methods, poor environmental adaptability, and insufficient intelligence, improving inspection efficiency and system reliability, and reducing manual maintenance costs.

1. The name of the design product: composite detector. 2. The use of the design product: the product is a composite detector installed in a battery pack or energy storage box, which is used to detect flammable gas, smoke and temperature data, and to release pressure when the battery pack or energy storage box is in thermal runaway. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

This invention relates to a method for preparing and applying a flame-retardant polyurethane elastomer. The flame-retardant polyurethane elastomer incorporates a network structure, benzene rings, diphenyl phosphate, and silicon-oxygen bonds, increasing the degree of crosslinking and improving mechanical and self-extinguishing properties. Furthermore, the rigid triazine ring structural units effectively enhance the interactions between molecular chains, forming reinforced hard-segment microregions; while the flexible siloxane chains, with their low surface energy, promote microphase separation. This synergistic effect gives the flame-retardant polyurethane elastomer excellent overall performance. The chain extender contains abundant nitrogen and silicon dual flame-retardant elements, which can release non-flammable gases and form a dense silicate layer during combustion, endowing the material with good self-extinguishing ability. The flame-retardant polyurethane elastomer of this invention has excellent recyclability and self-extinguishing properties, can be applied in encapsulation materials, and is environmentally friendly.

The utility model relates to the field of petrochemical technology discloses a kind of intelligent early warning detection devices of petroleum chemical industry construction site, including top frame, the two ends inner wall of top frame is fixedly connected with symmetrical first ball bearing, the inner ring of two first ball bearing is fixedly connected with threaded shaft in common, the right side of top frame is fixedly connected with stepper motor by bolt, the output end of stepper motor is fixedly connected with the right end of threaded shaft, the side surface of top frame mutually close is fixedly connected with two balance shafts, the device is fixed by threaded shaft with stepper motor, stepper motor can accurately control threaded shaft rotation, and then drive moving block to move along balance shaft on top frame smoothly linearly, can according to the change of construction area, the horizontal position of flammable gas sensor is flexibly adjusted, avoid the monitoring blind area problem that appears due to sensor position fixed, realize the overall coverage detection to construction site key area, such as temporary material storage point, equipment temporary maintenance area etc.

A flammable gas, H4O2, generated from water by providing an electrolyte and water solution capable of conducting an electric current, an anode and a cathode spaced about one quarter inch apart in contact with the solution, a magnetic field of about 20 Gauss units, and a direct electrical current to the anode, the cathode, and the electrolyte and water solution at approximately 1.5 volts with current at approximately 0.25 amp per square inch of cathode surface area. When ignited, the gas implodes and produces a flame having a temperature of 260-280 degrees F. However, when the flame is applied to an iron substrate hydrogen ions and oxygen ions are exposed to nitrogen in the ambient air, causing a thermodynamic chemical reaction to form ammonia, thereby increasing the flame temperature to the melting temperature of iron.

This disclosure provides a control system, control method, and control program that can suppress the accumulation of flammable gas in a mold. [Solution] The control system according to this disclosure is a control system for a mold 20 that raises the temperature by burning a supplied combustible gas, and controls the amount of combustible gas supplied to the mold 20 based on the amount of unburned combustible gas in the mold 20.

The present disclosure provides a thermal runaway processing method, device, electronic equipment, storage medium and program product. The present disclosure directly monitors the maximum temperature value in the battery cell in each energy storage unit, and directly starts the corresponding exhaust unit when the maximum temperature value reaches the first threshold value, which is used for ventilation inside the energy storage container. The exhaust unit can be opened early before thermal runaway occurs to ventilate the gas discharged by the battery cell after thermal runaway, prevent explosion and other secondary disasters caused by the concentration of flammable gas, and then monitor the second temperature data in units of energy storage units. If it is always in a normal condition, the exhaust can be stopped after a period of time, saving costs. Ultimately, this way improves the response speed of the exhaust unit, reduces the risk of thermal runaway, and can stop in time according to the situation, saving costs.

A casing unit for containing a hazardous object is provided. Casing unit includes a casing adapted to contain the hazardous object, wherein the casing is adapted to be airtight; a pressure relief valve in fluid communication with the casing, wherein the pressure relief valve is adapted to vent gases from the casing and alleviate internal pressure within the casing; a filter unit in fluid communication with the pressure relief valve, wherein the filter unit is adapted to filter the gases exiting the pressure relief valve to become non-flammable gases before entering the environment.

The utility model relates to the technical field of LNG storage and distribution station safety early warning, especially a LNG storage and distribution station safety early warning device. The utility model provides a LNG storage and distribution station safety early warning device which can detect when a person is smoking and timely spray water to extinguish the cigarette, preventing the ignition of flammable gas by fire source. The LNG storage and distribution station safety early warning device comprises a mobile vehicle, a temperature detector, a gas detector and the like. The temperature detector is connected to the front side of the right part of the mobile vehicle, and the gas detector is connected to the front side of the left part of the mobile vehicle. When the utility model detects that a person is smoking, the second electric telescopic rod is started, the connecting rod is moved left and right, the connecting block is swung left and right, the water in the mobile vehicle is sprayed from the water gun through the hose to extinguish the cigarette, and the effect of detecting when a person is smoking and timely spraying water to extinguish the cigarette, preventing the ignition of flammable gas by fire source is achieved.

According to exemplary embodiments of the present invention, a battery system is provided. The battery system comprises: battery packs each having a cooling flow path in the upper portion thereof and venting passages in the lower portion thereof; and a battery pack stack in which the plurality of battery packs are stacked one on top of another. The battery system is capable of efficiently cooling and discharging high-temperature flammable gases, thereby preventing thermal runaway and thermal propagation between battery modules or between the battery packs.

This utility model relates to the field of gas detection technology and provides a multi-point detection flammable gas detection device, including a detection box. The detection box is equipped with a detection component, a gas supply component, a gas inlet component, and a flame-retardant component. The gas inlet component is connected to the detection component through the gas supply component. The detection component includes a detector, fixedly installed inside the detection box, and an air pump, fixedly installed inside the detection box near the detector. The air pump's inlet end is connected to the detector. Through the arrangement of the gas supply and inlet components, flammable gases at different heights can be detected, increasing the accuracy of flammable gas concentration detection and facilitating the detection of sinking or rising flammable gases, further expanding the detection range of the device. Simultaneously, when the device draws in gas at different heights, to increase the accuracy of gas intake at different heights, a rotating ball is limited, thereby restricting the entry of gas at other heights, resulting in better flammable gas detection.

1. Name of the designed product: household gas alarm (laser type). 2. Use of the designed product: used for detecting whether there is a leak of flammable gas in the indoor environment and issuing an alarm. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

1. Name of this product: Household combustible gas detector (NK-CH805-CH806). 2. Purpose of this design: To monitor for the presence of flammable gas leaks in the home environment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

A propane tank with a valve passage containing a valve has a protection cap with a projecting pin which extends into the passage adjacent the valve to provide a secondary seal. The projecting pin is defined by an annular sleeve surrounding a hollow interior extending up to the upper wall where the sleeve has an outside surface tapered from the upper wall to the remote end and an inside surface tapered from the remote end to the upper wall and the passage carries an O-ring seal arranged so that movement of the upper wall in a direction away from the passage caused by pressure release is insufficient to cause release of the secondary seal between the projecting pin member from the O-ring seal. The projecting element extends into the hollow interior to a position beyond the remote end of an actuating pin of the valve.

The application is a ship domestic sewage storage monitoring system, and relates to the technical field of ship domestic sewage monitoring, which comprises an integrated sewage storage tank module, a monitoring data analysis and processing module, a cockpit control panel module, a communication module and an internet cloud server module.In the application, the liquid level meter, the pH meter and the flammable gas sensor are combined to analyze and evaluate the safety risk in real time, and the exhaust system on the sewage storage tank and the exhaust system in the cabin are used to timely dispose of the risk, thereby improving the safety of the monitoring system during daily use and regular field maintenance.

The utility model belongs to the technical field of stove, concretely relates to a heat accumulating type hearth and stove, it includes hearth body, is set up in hearth body and has the chamber, the upper part of chamber is the muzzle, the lower part is the burner installation mouth, characterized by: the chamber is equipped with the baffle ring, the baffle ring is located in the upper middle part of chamber, the outer end of baffle ring is fixed on hearth body, the inner end extends to the inboard. The hearth because the upper middle part of chamber is equipped with the baffle ring, can hinder the emission of combustion flue gas, namely increases the emission resistance of flue gas, slows down its emission speed, makes the high-temperature flue gas to have some accumulation in the lower middle part of chamber, increases the thermal density of this part, to improve the combustion temperature, on the one hand, increases the heating temperature of the lower part of the pot, and the firepower is more sufficient, on the other hand, can catalyze the full combustion of the difficult flammable gas, and better energy saving and emission reduction.

This utility model discloses a leakage detection device for sodium-ion battery electrolyte filling, including an filling chamber containing an electrolyte storage tank. An electrolyte supply pipeline is connected to the top of the storage tank, with its end passing through the filling chamber. A solenoid valve is installed on the outside of the electrolyte supply pipeline at one end of the storage tank. A combustible gas detector is fixedly installed at the bottom of the filling chamber, and a linkage controller is installed above the detector. This sodium-ion battery leakage detection device, through its integrated combustible gas detector and linkage controller, can quickly detect and respond to flammable gas leaks, directly avoiding the risk of fire or explosion caused by gas leaks. In particular, the rapid shut-off function of the solenoid valve significantly reduces the safety hazards caused by electrolyte leaks, improving the quality and safety of the entire battery production process.

The present application relates to the technical field of lithium battery materials, and discloses an electrolyte precursor, a flame-retardant gel electrolyte and a preparation method and application thereof.The electrolyte precursor contains a phosphoric acid ester monomer containing a carbon-carbon double bond, an acrylic ester monomer containing a urea alkylidene bond, an acrylic ester monomer containing a cyano group and a phosphorus-containing crosslinking agent in a molar ratio of 1:1-2:1-3:1-2; the acrylic ester monomer containing a urea alkylidene bond is 2-urea alkylidene ethyl acrylate and / or diurea alkylidene dimethyl acrylate.The flame-retardant gel electrolyte obtained by the technical scheme has good flame-retardant effect, good thermal stability, can prevent the volatilization of flammable gas and the transmission of heat, and the prepared lithium ion battery has good flame-retardant performance, and the ionic conductivity of the lithium ion battery is obviously improved.

This invention discloses a quantitative classification and assessment method for the hazard of fires in lithium battery systems. This invention relates to the field of fire assessment technology, and obtains a multi-dimensional evaluation index set characterizing the degree of fire hazard. The multi-dimensional evaluation index set includes the heat release rate (QHR) characterizing the fire's heat release capacity, the smoke toxicity (TOX) quantifying the toxicity of combustion products, the explosion potential (EXP) reflecting the risk of flammable gas accumulation and sudden release, and the fire spread rate (SPD) characterizing the fire's expansion trend. This invention constructs a multi-dimensional fire hazard assessment index including heat release rate, smoke toxicity, explosion potential, and fire spread rate, and combines this with the analytic hierarchy process (AHP) to determine the relative weights of each hazard-causing factor. This achieves quantitative modeling and comprehensive assessment of the hazard degree of fires in lithium battery systems, more objectively reflecting the true hazard characteristics during the fire development process, and improving the scientific rigor and consistency of fire risk assessment results.

This invention provides a split-type explosion-proof robot control cabinet based on an external air source, relating to the fields of industrial automation and explosion-proof safety technology. It includes an explosion-proof cabinet and a positive-pressure cabinet, connected via a docking interface. An external air source is input into the positive-pressure cabinet to form a positive-pressure airflow, dissipating heat from the cabinet and maintaining an internal pressure higher than the external environment. The explosion-proof cabinet is a sealed cavity. After the positive-pressure airflow exits from the positive-pressure cabinet, it flows over the outer surface of the explosion-proof cabinet, further dissipating heat. This invention achieves dual explosion-proof protection by independently designing and collaboratively operating the explosion-proof cabinet and the positive-pressure cabinet. The positive-pressure cabinet prevents the infiltration of external flammable gases through dynamic pressure control. The two modules achieve physical isolation and functional linkage through a quick-connect interface, balancing explosion-proof performance with modular maintenance requirements.

This utility model discloses a battery pack, including a battery housing. The battery housing includes a bottom plate and side plates. A pressure relief valve is provided on the side plates. A fire extinguishing element and a blocking element are provided on the side of the pressure relief valve near the inner cavity of the battery housing. The fire extinguishing element is located on the side of the blocking element near the pressure relief valve. The fire extinguishing element has multiple first through holes for flame arrest, and the blocking element has multiple second through holes for blocking particles in the airflow. This utility model's battery pack effectively prevents flames from flammable gas combustion from erupting from the pressure relief location during battery thermal runaway, reducing the safety risk of the battery pack.

The present invention relates to an ESS explosion prevention device that can prevent a secondary explosion generated when an ESS fire occurs, including: a housing in which a battery is accommodated; a drain device that is in communication with the inside of the housing; and a pump device that is accommodated in the inside of the drain device and sprays fire-fighting water, wherein when the pump device sprays, a negative pressure is generated due to the spraying speed of the fire-fighting water to discharge flammable and combustible gas from the inside of the housing to the drain device.

This invention belongs to the field of environmental protection and resource utilization technology in the coking industry, specifically relating to a method and system for pyrolysis of organic solid waste based on dry quenching vent gas. The pyrolysis method includes: pretreating the dry quenching vent gas to obtain clean vent gas; using the clean vent gas as a heat source to dry the organic solid waste, resulting in dried organic solid waste and dried oil gas; subjecting the dried organic solid waste to high-temperature pyrolysis to obtain pyrolysis oil gas and tailings; and mixing the dried oil gas with the pyrolysis oil gas followed by condensation separation. The pyrolysis system includes a pretreatment unit, a drying unit, a pyrolysis unit, and a condensation separation unit. This invention achieves the synergistic resource utilization of dry quenching vent gas and organic solid waste, eliminating the need for additional external fuel and inert carrier gas, significantly reducing pyrolysis energy consumption and operating costs, achieving a high comprehensive resource utilization rate of organic solid waste, realizing near-zero emissions of pollutants, and featuring a simple process that meets the production needs of coking enterprises, possessing strong industrial application value.

To provide a novel method for producing spherical silica powder, which results in less precipitation of fume components and thereby yields spherical silica powder with a low specific surface area. [Solution] (i) forming a high-temperature flame in a furnace with flammable gas A and oxygen gas B, (ii) supplying base gas C into the furnace, and (iii) supplying raw silica powder into the furnace with carrier gas D to melt and spheroidize the raw silica powder, wherein in (ii), base gas C contains oxygen gas B1, in (iii), carrier gas D contains oxygen gas B2 and inert gas D1, or contains only inert gas D1, in (i), oxygen gas B contains a part of oxygen gas B1 and / or a part or all of oxygen gas B2, and in (i) to (iii), the amount of flammable gas A supplied (Nm 3 The amount of inert gas D1 supplied (Nm³) relative to the amount of inert gas D1 ( / hr) 3 A method for producing spherical silica powder, comprising setting the ratio (D1 / A) of ( / hr) to 1.0 or more and 7.0 or less.

This utility model relates to the field of electrical equipment, and mainly discloses a gas-insulated switchgear integrated unit suitable for underground substations. It includes a gas-insulated transformer, a gas-insulated switchgear, high-voltage incoming / outgoing line points, and low-voltage incoming / outgoing line points. A cooling system is installed on the side of the gas-insulated transformer away from the gas-insulated switchgear, and a neutral point gap discharge device is connected to the other side of the gas-insulated transformer. The gas-insulated transformer used in this utility model is an SF6 insulated transformer. SF6 gas is a non-flammable gas with very stable physical and chemical properties, and its fire resistance and disaster prevention performance are relatively good. Furthermore, because the gas-insulated transformer is directly connected to the gas-insulated switchgear, auxiliary equipment such as cable heads can be eliminated, thus greatly reducing the substation's footprint. At the same time, the direct connection method results in a compact overall design, requiring only a single foundation, significantly improving the seismic resistance of the core equipment of the substation.

1. Name of the product in this design: Pipe-end flame arrester. 2. Purpose of this design: This product is a safety device used to prevent the spread of flames from flammable gases and flammable liquid vapors. 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.

The utility model discloses a kind of spraying devices for steel structural member production, including connecting shell, the modular mechanical arm is set in the connecting shell inside bottom end, further including the three-way adjusting mechanism being set on modular mechanical arm, the spraying mechanism is set in the front end of three-way adjusting mechanism, a kind of spraying device for steel structural member production, by spray head, centrifugal fan, flexible baffle and negative pressure recovery air duct, ensure that stable negative pressure field is formed before coating atomization, timely capture atomized particle, prevent paint mist from spreading to workshop environment, reduce the risk that operator inhales paint mist, simultaneously avoid the explosion hidden danger caused by flammable gas accumulation in workshop, cooperate primary filter device and paint mist separation equipment, solvent-based coating after separation can be recycled, water-based paint can be treated and discharged up to standard, reduce hazardous waste disposal quantity, reduce environmental protection compliance cost, efficiently recover splashed coating, reduce material loss.