53results about How to "Avoid burning and explosion" patented technology

The present invention discloses a thermal-resistant and flame-retardant membrane and a preparation method thereof, and applications. According to the preparation method, the cost is controllable, theoperation of the preparation process is simple, and thus the preparation method is suitable for mass production. The prepared thermal-resistant and flame-retardant membrane has a double-layer composite structure with both thermal stability and flame retardancy, the membrane can prevent internal short circuit of a battery at a lower temperature, so that severe thermal runaway of the battery is prevented, and thus safety accidents, such as burning and explosion are prevented; the membrane can effectively prevent the battery from burning and exploding after the thermal runaway of the battery occurs under the conditions of overcharge, puncture and abuse; and the membrane has good applications in the chemical power supply system, especially in lithium ion batteries.

An aquatic emulsion of bifenthrin used as a broad-spectrum insecticide without environmental pollution is prepared from bifenthrin, emulsifier EW7504, organic solvent, antifreezing stabilizer and water proportionally.

Provided are an explosion-proof dust collector and an explosion-proof control method. The explosion-proof dust collector comprises a dust collector body (3) for collecting combustible dust, an inerting gas injection system, a detection system for detecting CO concentration and/or temperature and a control system, wherein the inerting gas injection system includes buffer tanks (11), control valves (1), one-way valves (4), inerting dust-proof spray heads (2) and an external inerting gas supply system. The explosion-proof control method comprises the following steps that when the detection system detects that the internal temperature of the dust remover body (3) rises to a set value, or detects that the CO concentration is higher than a set value, the control system controls the inerting gas injection system to be automatically started for running or a worker starts the system; after the inerting gas injection system is started, inerting gas is sprayed into the inerting dust-proof spray heads (2) located at the top of the dust remover body (3), then the control system controls the inerting dust-proof spray heads (2) at the top to reduce the injection rates of the inerting gas, and inerting gas is sprayed into the inerting dust-proof spray heads (2) at the bottom.

The invention discloses a lithium battery and lithium battery module crushing method which includes the steps: 1) turning on a gas protection device, leading flame-retardant gas into a crushing box and reducing oxygen concentration; 2) placing a battery onto a feeding mechanism and starting the feeding mechanism when the oxygen concentration in the crushing box is reduced to below 16%; 3) conveying the lithium battery and a lithium battery module to the crushing box and disassembling and crushing the lithium battery and a lithium battery module; 4) turning off the gas protection device and stopping leading in the flame-retardant gas when the oxygen concentration is lower than or equal to 4%, and turning on the gas protection device and leading in the flame-retardant gas when the oxygen concentration is higher than or equal to 15.5%; 5) discharging the crushed lithium battery and the crushed lithium battery module to a material receiving device and performing a next procedure; 6) stopping leading in the flame-retardant gas after production, discharging exhaust in the crushing box by an exhaust emission channel as soon as possible and enabling the oxygen concentration to return to normal. The lithium battery and the lithium battery module can be crushed and disassembled without discharging, personnel security is ensured, and working efficiency is greatly improved.

The invention relates to a safety protection method and device for a battery swap station, computer equipment and a storage medium. The method comprises the following steps: obtaining the real-time monitoring data of each battery in the battery swap station, disconnecting the charging connection of a corresponding battery if the battery temperature of any battery reaches a first temperature threshold, and starting an alarm mode to make related personnel know the abnormal charging condition in time and do troubleshooting and related protection measures; and if the battery temperature of any battery reaches a second temperature threshold value, starting a mechanical device to transfer the corresponding battery to a fire pool so as to perform fire treatment on the battery. Safety accidents such as combustion or explosion caused by thermal runaway of the battery are avoided, and the safety protection of the battery swap station is realized.

The invention relates to a power battery and a cooling device and a cooling method thereof. The cooling device of the power battery comprises a heat dissipation pipe, a cooling chamber, a refrigeration device and a temporary storage chamber which are arranged in a power battery protection shell, wherein the refrigeration device is arranged at one side of the cooling chamber and cools a cooling liquid to enter the heat dissipation pipe in the cooling chamber, the temporary storage chamber is used for receiving the cooling liquid absorbing heat in the heat dissipation pipe, and liquid pumps controlled by a single-chip microcomputer and a relay are arranged between the cooling chamber and the input end of the heat dissipation pipe, between the temporary storage chamber and the output end of the heat dissipation pipe and between the cooling chamber and the temporary storage chamber respectively so as to achieve circulation of the cooling liquid. According to the cooling method, in circulation of a cooling liquid, the cooled medium to enter the heat dissipation pipe and the cooled medium which comes out of the heat dissipation pipe and absorbs heat are thoroughly separated, and the cooling effect is good. According to the invention, the heat dissipation rate of the power battery can be increased, so that the safety of the power battery is improved.

The invention discloses an intelligent household fuel gas explosion-proof system. The system comprises a detection box, a mounting plate and a control system, a control box is fixedly connected to theleft lower corner of the inner cavity of the detection box, a first gas concentration detector is arranged on the right wall of the detection box in a penetrating manner, the inner part of the rightwall of the control box and the outside of the first gas concentration detector are filled with hot melt adhesive, and the invention relates to the technical field. According to the intelligent household fuel gas explosion-proof system, an independent space can be formed at a pipeline joint which easily leaks fuel gas, the concentration of gas inside the pipeline joint can be detected, the gas leakage phenomenon can be detected in time, a miniature electric telescopic rod can be used for pushing the button switch to enable the sealing valve to be closed, so that the continuous leakage of the fuel gas is avoided, the electronic devices in the detection box can be isolated from the fuel gas by arranging the hot melt adhesive and the sealing plate, the sealing property of the sealing valve iskept by the sealing film, the gas combustion explosion caused by electrifying of the electronic element can be avoided, and the explosion-proof performance is ensured.

The invention relates to the technical field of new energy cars, and discloses a pure electric car with an energy cell explosion-proof device. The pure electric car comprises a car engine. A stabilizing sleeve block, an elastic pipe and a power box are fixedly mounted on the top surface of an inner cavity of the car engine from left to right in sequence. A connecting rod is movably sleeved to thebottom of the stabilizing sleeve block. A fixing buckle matched with the connecting rod is fixedly mounted on the obverse side of the stabilizing sleeve block. A fixed sleeve block is fixedly mountedat the bottom end of the connecting rod. A supporting rod is fixedly mounted on the bottom surface of the fixed sleeve block. According to the pure electric car with the energy cell explosion-proof device, a clamping hole is formed in the obverse side of a cell mounting box, and an opening is formed in the top of the cell mounting box, so that the heat dissipating area of a driving cell is greatlyincreased, the heat dissipating efficiency of the driving cell is greatly improved, the problem of combustion explosion of the driving cell due to the fact that the driving cell continuously generates heat in the running process of the car is avoided, the safety of a car body and a driver is greatly guaranteed, and the safety of the pure electric car is improved.

The invention provides a composite explosion-proof valve, a cover plate assembly and a battery so as to solve the problem that battery combustion or explosion risk still exists in conventional pressure-controlled explosion-proof valves. The composite explosion-proof valve comprises a temperature-controlled explosion-proof membrane and a pressure-controlled explosion-proof membrane, wherein a flameretardant structure is arranged between the temperature-controlled explosion-proof membrane and the pressure-controlled explosion-proof membrane. According to the battery, the cover plate assembly and the composite explosion-proof valve, the temperature-controlled explosion-proof membrane and the pressure-controlled explosion-proof membrane are mounted on the composite explosion-proof valve, andthe flame retardant structure is arranged between the temperature-controlled explosion-proof membrane and the pressure-controlled explosion-proof membrane. Therefore, that composite explosion-proof valve can release/relieve pressure timely when the battery is abnormal, external oxygen is effectively isolated from entering, occurrence of battery combustion and explosion is prevented, and secondarydisaster and larger abnormality are avoided.

An aquatic emulsion of anti-cypermethrin used as a broad-spectrum insecticide without environmental pollution is prepared from anti-cypermethrin, emulsifier EW7504, organic solvent, antifreezing stabilizer and water proportionally.

The invention relates to an explosion-proof grading anti-blocking type solid drying system. A technical scheme adopted by the invention is that a three-way reversing valve and a bypass system are connected to a storage bin; the storage bin is communicated to the interior of a shell through an inlet discharging valve; a distributing vibration feeder I, a screening dividing device I, a bulky grain material preheating vibration feeder I, a distributing vibration feeder II, a screening dividing device II, a bulky grain material preheating vibration feeder II and a material drying vibration feeder are sequentially arranged in the shell from top to bottom; a vibrator and a pneumatic arch breaking device are respectively arranged on each vibration feeder; on an inner wall of the shell, a heating device I and a heating device II are arranged at two sides of the bulky grain material preheating vibration feeder I and the bulky grain material preheating vibration feeder II; a self-closed explosive decompression valve is arranged on the upper end of the shell; an ash bucket is arranged on the lower end of the shell; a hot air inlet and an outlet ash-discharging valve are arranged on the ash bucket; and a belt ash conveyer is arranged under the outlet ash-discharging valve. The explosion-proof grading anti-blocking type solid drying system is low in energy consumption, free from pollution, high in drying efficiency, free from damaging materials and capable of preventing equipment from exploding.

The invention discloses a method for synthesizing 2-amino-5-chlorobenzophenone by a microchannel reactor, belongs to the field of synthesis of psychoactive drugs in organic synthesis, and solves the problems of low yield, poor purity, high risk of violent explosion, degradation caused by high reaction time under high temperature and high pressure conditions, low frequency of catalyst recycling andreuse and the like during the synthesis of a traditional catalytic hydrogenation reactor. The method for synthesizing the 2-amino-5-chlorobenzophenone in the microchannel reactor specifically includes the following steps: 1). adding hydrogenation reaction precursor 5-chloro-3-phenyl-2,1-benzisoxazole into an organic solvent, and then adding an activated-carbon-loaded noble metal catalyst to obtain a mixture as a material I to enter a preheating module of the microreactor; and 2). after preheating of the material I, injecting the material I and material II hydrogen into a reaction module groupof the microreactor for reaction, collecting a reaction solution flowing out from a cooling module, and treating to obtain the 2-amino-5-chlorobenzophenone. The method is suitable for the large-scaleproduction of the 2-amino-5-chlorobenzophenone.

The invention discloses a lithium ion battery safe to use, including a positive electrode, a diaphragm and a negative electrode, the positive electrode, the diaphragm and a negative electrode are combined to form a battery, the diaphragm is located between the positive electrode and the negative electrode, the material of the positive electrode is lithium manganate, the material of the negative electrode is carbon microsphere, the outer surface of the positive electrode and the outer surface of the negative electrode are provided with a housing, the housing comprises an abrasion-resistant layer, an insulating layer, a waterproof layer, an insulating layer, a flame-retardant layer and a tensile layer, wherein the abrasion-resistant layer is located on the top of the insulating layer, the insulating layer is located on the top of the waterproof layer, the waterproof layer is located on the top of the heat-insulating layer, the heat-insulating layer is located on the top of the flame-retardant layer, and the flame-retardant layer is located on the top of the tensile layer. The present invention solves the problem that the lithium ion battery is not safe when in use and is prone to accident through the housing, the abrasion resistant layer, the insulating layer, the waterproof layer, the heat insulating layer, the flame retardant layer, the tensile layer, the positive electrode, the separator and the negative electrode.

The invention relates to a gas flow monitoring device and an indoor safety protection system. The device comprises impeller blades, an impeller shaft, a permanent magnet, two bearings, a bearing fixing mechanism, a coil and a pipeline body, wherein the bearing fixing mechanism is mounted at the internal center of the pipeline body, the bearings are mounted at the two ends of the bearing fixing mechanism, the permanent magnet is mounted in the bearing fixing mechanism, one end of the impeller shaft is connected with the impeller blades, the other end of the impeller shaft penetrates through one bearing and the permanent magnet and then is rotatably connected with the other bearing, a rotor is formed by the impeller shaft and the permanent magnet, and the coil is fixedly arranged in the pipeline body and is distributed around the bearing fixing mechanism. The system comprises the gas flow monitoring device, a micro-current amplifier, a controller and a blower, wherein the micro-current amplifier is electrically connected with the coil and the controller, and the controller is further electrically connected with the blower. The gas flow monitoring device and the indoor safety protection system have the beneficial effects that the structure is simple, the connection is simple and convenient, the operation is convenient, the monitoring on gas flow is effectively realized, the monitoring operation is stable, and the coefficient of safety is increased.

The invention discloses a method and device for storing and transporting a lithium ion battery. The method comprises the steps of placing the lithium ion battery in a closed container, wherein the closed container is provided with a door which can be opened and closed, and the closed container is provided with an exhaust pipe. The device is a closed container, and the closed container is providedwith a door capable of being opened and closed. Moreover, the closed container is provided with the exhaust pipe, a one-way valve is arranged on the exhaust pipe, an anti-backfire net is installed onthe exhaust pipe located behind the one-way valve, and an explosion-proof membrane is arranged on the closed container. According to the invention, the lithium ion battery can be effectively preventedfrom burning or exploding in the transporting or storing process, and the method and device have very important significance for personal safety and environmental protection.

The invention relates to the related field of new energy automobiles, and discloses a new energy automobile battery protection device which comprises a main box body, a battery protection cavity is formed in the main box body, a ventilation cavity with an upward opening is formed in the upper side of the battery protection cavity in a communicating mode, and a sliding rod cavity is formed in the lower side of the battery protection cavity in a communicating mode; and a fan seat is rotatably connected with the inner wall of the ventilation cavity; when an automobile runs, power of the automobile is used for driving the fan to rotate, so that a battery is cooled, and when the automobile stops charging, if the battery emits heat, a heat dissipation motor is automatically started to drive thefan to rotate, so that the battery is cooled, meanwhile, the charging current is reduced, and the battery is prevented from burning and exploding due to over-high heat emission; and according to the battery temperature feedback, the higher the temperature is, the faster the rotating speed of the fan is, and the smaller the charging current is, so that the charging safety of the new energy automobile is ensured, and meanwhile, a plurality of buffer springs are arranged in the battery protection cavity, so that combustion explosion caused by serious battery deformation is avoided when the automobile is suddenly impacted.

The invention relates to an anti-static enhanced conductive container bag, comprising a bag body and a sling (3). The anti-static enhanced conductive container bag is characterized in that the bag body and the sling (3) are made from conductive materials, and the bag body is internally provided with an in-bag tie bar (12). The in-bag tie bar (12) is provided with a through hole (14). The anti-static conductive container bag disclosed by the invention directly realizes electric conduction effect by virtue of bag body cloth and the slings, requires no grounding and is designed for a sensitive and inflammable environment, can effectively release static produced by friction in a cargo loading and unloading process and can avoid explosion and combustion which can be caused by the static. The anti-static conductive container bag disclosed by the invention is provided with the in-bag tie bar, thus strength of the container bag can be effectively enhanced, and anti-pull function can be realized; meanwhile as the in-bag tie bar is provided with a through hole, weight can be reduced, and storage space can be expanded.

The invention provides an anti-explosion intelligent air conditioner and relates to an air conditioner. The anti-explosion intelligent air conditioner comprises an indoor unit and an outdoor unit, wherein an outdoor fan motor is fixed in an outdoor unit housing, and an outdoor fan is mounted in the outdoor unit housing through the outdoor fan motor; an outdoor heat exchanger is mounted in the position, behind the outdoor fan, in the outdoor unit housing, and an outdoor air conditioner anti-explosion distribution box and a compressor are mounted in the position, on the side surface of the outdoor fan, in the outdoor unit housing; a low-pressure stop valve and a high-pressure stop valve are arranged outside the outdoor unit housing, and the low-pressure stop valve, the compressor, the outdoor heat exchanger and the high-pressure stop valve communicate with one another in sequence; and one end of an indoor heat exchanger communicates with the lower-pressure stop valve through a pipeline, and the other end of the indoor heat exchange communicates with the high-pressure stop valve through a pipeline. According to the anti-explosion intelligent air conditioner, power supply wiring parts of the indoor unit and the outdoor unit are positioned in the sealed anti-explosion distribution boxes, and therefore, are effectively prevented from being in contact with outdoor air, isolation can be realized in an environment filled with a flammable and combustible gas, combustion and explosion are avoided, potential safety hazards are effectively prevented, and the personal and property safety is guaranteed.

The invention relates to a compounding method and system for hydrogen multi-component inhibitor composite gas. The method comprises the following steps of: carrying out cleaning and vacuumizing, checking the connection state, weighing the mass of an empty gas cylinder to be filled, analyzing raw materials in a plurality of raw material gas cylinders, heating and pressurizing the raw material gas cylinders through a first transmission channel and a second transmission channel respectively, filling the gas cylinder to be filled to a required first pressure value and weighing the gas cylinder tobe filled again, repeatedly flushing a pipeline by diluent gas, filling the filled gas cylinder with the diluent gas to a required second pressure value to ensure a stable environment, calculating thecontent of the prepared standard gas based on the total mass of the filled gas cylinder and the mixed gas and the mass of the empty gas cylinder to be filled, uniformly shaking, and the like. Unexpected hydrogen combustion explosion can be effectively prevented, and the safety is improved.

The present invention discloses a power supply structure, which comprises: a sub battery module, wherein the sub battery module comprises a plurality of battery units connected in series and bags for accommodating the battery units; a housing wrapped outside the sub battery module and used for protecting the sub battery module, wherein separation chambers are arranged in the housing, the battery units are positioned in the separation chambers, separation layers are arranged between the adjacent two separation chambers, a heat dissipating chamber is arranged on the separation layer, fire detectors and fire extinguishing devices connected to the fire detectors are arranged in the separation layers, heat dissipating holes are arranged on the housing and the separation layers, the separation chambers are communicated to the heat dissipating chamber through the heat dissipating holes, and the heat dissipating chamber is communicated to the external of the housing through the heat dissipating holes. The power supply structure of the present invention has high safety.