33 results about "Open fire" patented technology

The present application relates to the technical field of forest fire emergency disposal, in particular to a helicopter-borne forest fire automatic identification positioning and extinguishing method and system. The method comprises the following steps: identifying infrared suspected fire points according to meteorological conditions and a space-time weight matrix; analyzing open fire and smoke probability by using the spectral response difference of open fire and smoke in different wave bands; generating a high-confidence three-dimensional fire point list based on D-S evidence theory in combination with the infrared suspected fire points, the open fire and smoke probability, and the burning intensity and fire line strength; constructing a multi-objective optimization model, and solving a to-be-extinguished fire line and a regional priority list in combination with the multi-objective optimization model, fire field terrain feature parameters, fire line spread characteristics, and the high-confidence three-dimensional fire point list; and generating or adjusting a flight route and an extinguishing instruction through a model predictive control framework based on a throwable window, the high-confidence three-dimensional fire point list, the to-be-extinguished fire line and regional priority list.

The application discloses a kind of flange remote alignment system and method based on multi-sensor fusion, it is related to industrial automation and intelligent equipment technical field.The communication system module, sensor and execution device module, control and protection module, step alignment control module and intelligent identification and guide optimization module are included, the coaxiality of flange outer circle and bolt hole alignment state are detected respectively by laser displacement sensor and travel switch, data is remotely transmitted to terminal by wireless communication, and operator is guided to adjust;Adopt water spray cooling and overall explosion-proof structure to ensure reliable work in open fire, high temperature and other harsh environments;Through step control logic and machine learning algorithm, eccentric mode intelligent identification, dynamic threshold adjustment and virtual pre-alignment path optimization are realized;Solve the problem that personnel near field operation risk is high in high-risk environment, traditional alignment relies on experience and is low in efficiency and poor in adaptability of equipment in extreme working conditions, realize safe, remote, efficient and high-precision flange automation alignment.

The utility model relates to smoke detection technical field, concretely is a kind of external hanging type composite fire detector, including shell;Shell inside is equipped with smoke detection mechanism, and smoke detection mechanism includes slow flow cavity, slow flow cavity is set in shell inside one end, two gas inlets are set in slow flow cavity side, and combustible gas sensor is fixedly connected in slow flow cavity inside, slow flow cavity side is communicated with air cavity, and air cavity side is communicated with detection cavity, and smoke detection assembly is fixedly connected in detection cavity inside. The aspirating smoke detector for detecting fire that is set can detect smaller smoke particles and combustible gas that early-stage technology cannot see, these particles are produced in the earliest stage of this fire of excessive heating and open fire or smoldering, can discover the existence of fire within hours before visible smoke even earlier, the very high sensitivity makes the aspirating smoke detector for detecting fire can send out alarm in time in the early stage of fire development, effectively prevent the spread and expansion of fire.

The utility model discloses a non -smoke flame -retardant fire -blanket suitable for cable equipment protection relates to the field of fire fighting equipment, including the blanket body, the blanket body still includes surface layer, middle layer and inner layer, surface layer, middle layer and inner layer arrange from top to bottom in proper order, the top of surface layer is coated in middle layer, the bottom of inner layer is coated in middle layer, the bottom of inner layer is provided with self -adhesive layer, self -adhesive layer is coated in the bottom of inner layer, the bottom of self -adhesive layer is provided with isolation paper, and the both sides of blanket body are all stitched and are provided with the bound edge. The utility model with glass fiber as base material quality, through coating multilayer organic high temperature resistant silicone rubber, make it closely adhere to the surface of glass fiber, and then form a high -strength composite protective layer, plus high molecular fire -extinguishing material coating, when encountering open fire, the coating can rapidly take place thermal decomposition reaction, release perfluoroacetone high molecular polymer fire -extinguishing microparticle, and the open fire plays effective inhibitory effect, realizes the effect of flame -retardant fire -extinguishing finally.

The invention belongs to the technical field of domestic ceramics, and discloses an open fire ignition and quenching resistant domestic ceramic and a preparation method thereof. The domestic ceramic resistant to open fire firing and quenching is prepared from kaolin, bentonite, clay, electroquartz, aluminum oxide, nano zirconium silicate, sodium silicate, a sodium hydroxide solution, sodium humate, ammonium chloride, spodumene, lithium carbonate and deionized water, dry powder and slurry are evenly mixed and stirred, then mechanical pressing is conducted, and a complete ceramic body is obtained; according to the preparation method disclosed by the invention, the raw material ratio and the sintering process are optimized, open fire firing resistance and quenching resistance are synergistically improved, thermal shock resistance is enhanced by controlling the crystallinity of the raw materials, and meanwhile, a composite additive is introduced to improve a high-temperature phase change behavior; and the cost is effectively reduced and the process steps are simplified while large-scale production is realized.

The application discloses a new energy automobile battery protection device, which comprises a shell, a ventilation box is fixedly connected to the inner wall of the shell, buffer plates are slidably connected to the left and right sides of the shell, a battery pack is mounted on the shell, an air cooling mechanism is arranged on the inner wall of the shell, a fire extinguishing mechanism is arranged on the inner wall of the shell, and a valve actuating mechanism is arranged on the inner wall of the shell. In the process of use, the cooling air blown out by the air supply box can take away the heat of the surface of the battery pack, the outer wall of the liquid cooling plate and the gap between the battery modules, so that the battery pack is better cooled, the fire extinguishing tank can quickly release the fire extinguishing material to instantaneously extinguish the open fire on the surface of the battery pack and the surrounding, the baffle moves downward to block the ventilation tank, the air communication between the battery pack and the outside is directly cut off, and the fire condition is rapidly brought into a stable and controllable state.

The utility model relates to a temperature controllable open fire oven which comprises an oven body, a first heating assembly and a baking net, the baking net and the heating assembly are installed in the oven body, a flame adjusting assembly is arranged above the first heating assembly, the baking net is installed above the flame adjusting assembly, and the flame adjusting assembly comprises a supporting piece and a movable assembly. An opening is formed in the top of the supporting part, a first baffle is fixedly installed at the top of the supporting part and divides the opening into two fire outlets, the movable assembly comprises a driving assembly and a movable part, the movable part is fixedly connected with the driving assembly and located above the fire outlets, and the driving assembly can control the movable part to swing so as to cover the fire outlets. According to the open fire oven with the controllable temperature, it can be guaranteed that fuel is combusted sufficiently, the good combustion effect is achieved, the barbecue temperature can be adjusted, and therefore the open fire oven can adapt to different barbecue scenes.

The present application relates to the technical field of fire safety monitoring, and more particularly to an intelligent fire sensing terminal monitoring system for industrial scenarios, comprising an intelligent fire center, a multi-channel preliminary diagnosis module, a diagnosis matching module, a self-calibration correction module, a screening and hidden danger right module, a fire evolution prediction module and a visual early warning module; the present application is through periodic sampling of multiple sensing channels, fuses multi-dimensional state data to quantitatively evaluate the health of sensors, combines hierarchical judgment and continuous periodic diagnosis to accurately identify channel abnormalities, simultaneously implements directional self-calibration for zero point drift and response attenuation faults, and captures micro-abnormalities in the latent period of fire through baseline difference and other technologies, and combines linear extrapolation and dynamic correction to accurately predict the arrival time of the smoldering period and the open fire period and the remaining safe disposal time, realizing a full-link closed loop from sensor self-diagnosis, self-calibration to fire prediction, and significantly improving the intelligent level of early warning and safe disposal of industrial plant fires.

The utility model relates to low temperature antifreezing equipment technical field, especially in kind of portable explosion -proof valve pipeline electromagnetic heating thawer. It includes explosion -proof cabinet, electromagnetic heater, explosion -proof quick -coupler, heating blanket, and electromagnetic heater is connected on explosion -proof cabinet, and explosion -proof quick -coupler connects explosion -proof quick -coupler, and heating blanket is by the spiral coiling of electromagnetic wire on the heat -preserving cotton and is fixed, then uses the blanket body to cover into the plane line flexible blanket structure, and both ends of electromagnetic wire are connected through explosion -proof quick -coupler and are connected into the positive and negative pole of electromagnetic heater, and heating blanket is wrapped on valve pipeline. The utility model adopts the mode of electromagnetic heating to replace traditional resistance heating wire, provides a kind of safe and reliable, high thermal efficiency explosion -proof electromagnetic heating thawer, heating speed is fast, structure is simple, and heat conversion efficiency is high, temperature control is accurate, and there is no open fire safety hazard, more energy -conserving, safe, reliable, long service life.

The application provides an early warning and automatic fire extinguishing system based on image fire identification and sound wave positioning, relates to the technical field of fire prevention and control, and comprises a multispectral image acquisition module, a sound wave detection array module, a central fusion control unit, a hierarchical warning module, a fire extinguishing execution module, a fire extinguishing strategy database and a cloud data processing module, the multispectral image acquisition module is used for collecting infrared thermal imaging images and visible light high-definition images of a monitoring area in real time; the application adopts a flame early identification algorithm of multispectral image and dynamic feature fusion, carries out double verification through infrared image high-temperature abnormal area screening and visible light image flame dynamic feature extraction, combines time sequence continuous matching and area growth trend judgment, greatly reduces the false alarm rate caused by interference factors such as strong light reflection, welding sparks and high-temperature steam, can accurately identify the early stage of smoldering fire and open fire, improves the identification accuracy, and gains valuable time for early fire disposal.

The application discloses a continuous cracking furnace and process using lava heating and relates to the technical field of organic waste resource utilization.The application comprises a shell, a cracking furnace is arranged in the shell, a heating unit is arranged outside the cracking furnace, a lava storage tank is arranged at the top of the shell, a lava driving pump is arranged on the side of the lava storage tank, and a decoking unit is arranged in the cracking furnace.The application has the advantages that the heating unit adopts lava surrounding heating, heat is evenly covered on the furnace body through a circulating pipeline, heat efficiency and safety are improved by matching heat preservation and reflection layers, the drawbacks of open fire heating are solved, the decoking unit is automatically decoked through a scraper and an elastic structure, manual shutdown or chemical decoking is not needed, safety risks and equipment corrosion are avoided, secondary pollution is eliminated, environmental protection requirements are met, the equipment operation cycle is prolonged, and the maintenance cost is reduced.

The utility model relates to electromagnetic heating technical field discloses a kind of electromagnetic heating open fire quick boiler, including upper shell, the top of the upper shell is detachably connected with compression ring, the outside of the compression ring is fixedly connected with square block, the inside of the upper shell is fixedly connected with multiple fixed columns, the outside of multiple fixed columns is rotatably connected with L-shaped connecting rod, the both ends of the L-shaped connecting rod are rotatably connected with push rod, the similar side of the push rod is fixedly connected with clamping block, and one end of the push rod is rotatably connected with rotating shaft, the outside of the rotating shaft is fixedly connected with rotating handle. In the utility model, when using, generate magnetic field by copper coil electrification, so that heating pot core heats, the heat insulation of heating pot core is realized by the four millimeter glass silk cotton and five millimeter high temperature cement between heating pot core and copper coil, heating pot core heats and flame is same, to realize the function of heat storage and temperature storage.

The application discloses an aromatherapy heating lamp, and belongs to the technical field of aromatherapy, which comprises a bearing frame, the bearing frame is designed as a four-side ventilation structure, an installation groove is formed in the inner top wall of the bearing frame, a heating lamp is inlaid and installed in the installation groove, a power cord is fixedly connected to the upper end of the heating lamp, a plug is fixedly connected to the other end of the power cord, and a controller is arranged on the power cord; in the application, the heating lamp is connected in communication with an external power supply through the power cord and the plug, the heating lamp converts electric energy into heat energy to directionally heat the aromatherapy, there is no open fire combustion process, fire hazards are eliminated from the root, the heating intensity of the heating lamp is adjusted through the controller, the volatilization speed of the aromatherapy is accurately controlled, the influence of environmental temperature fluctuation is eliminated, and the bearing frame is designed as a four-side ventilation structure, which not only ensures the air circulation of the heating environment, but also helps the uniform diffusion of the volatilized aroma.

The application provides a double cascade type fire extinguishing device, comprising: an integrated shell which is a pressure-resistant container; a fixed partition plate arranged in the shell, which separates the inside of the integrated shell into a first fire extinguishing chamber and a second cooling chamber which are independent and sealed from each other, the first fire extinguishing chamber is filled with a hot aerosol fire extinguishing agent column, and the second cooling chamber is filled with a cooling agent; a composite nozzle which is communicated with the first fire extinguishing chamber through a first pipeline and communicated with the second cooling chamber through a second pipeline; a trigger mechanism for starting the release of the fire extinguishing agent in the first fire extinguishing chamber and the cooling agent in the second cooling chamber; and an intelligent controller for receiving a fire detection signal and controlling the trigger mechanism to act in sequence according to a preset program. The fire extinguishing device integrates the fire extinguishing function and the deep cooling function, realizes the orderly and efficient cooperation through the intelligent control, and effectively solves the problem of high rekindling rate caused by the continuous heat release of the battery after the existing fire extinguishing technology extinguishes the open fire.

The utility model discloses a kind of high-efficiency long-lasting fire devices, it is related to ignition device technical field, its specific structure includes: connecting component, the connecting component is equipped with assembly slot;Fire spraying component, is installed in assembly slot;Open fire component, is installed on connecting component, and open fire component and fire spraying component are spaced apart;Flame guide component, is set on fire spraying component, and the free end of flame guide component extends to the top of fire spraying component to form flame barrier area higher than it upwards;Wherein, flame guide component includes: isolating cover, is installed on fire spraying component;Fin, is installed on isolating cover, and fin is inclined to extend outward from its connection with isolating cover;Flame barrier unit, is installed on isolating cover, and flame barrier unit and fin form flame barrier area mutually cooperate.

A single ejection pipe turnover type combustor, comprising a base, a distributor seat and a fire cover, the base comprises a support plate, a head, an air inlet and outlet seat and a static hinge bracket plate, the air inlet and outlet seat penetrates the head and the support plate, the static hinge bracket plate is arranged at both ends of the head; the distributor seat comprises a seat plate, a hinge seat plate connected with the seat plate, an upper open fire cover seat, an ejection pipe, a pot support and a support column, the ejection pipe is fixed with the seat plate and the hinge seat plate and the air outlet end is communicated with the fire cover seat; the pot support is arranged around the fire cover seat; the circumferential wall plate of the fire cover is provided with a combustion hole; the static hinge bracket plate is inserted between two dynamic hinge bracket plates on the hinge seat plate and is hinged, the nozzle of the air outlet end of the air inlet and outlet seat is opposite to the ejection pipe, and the fire cover and the fire cover seat are buckled. The nozzle and the ejection pipe are located above the stove panel, the primary air is sufficient; it can be rotated, and the cleaning of the stove panel is convenient.

The application discloses a preparation method of high-stability vanadium-aluminum alloy. The preparation method comprises the following steps: using vanadium pentoxide and aluminum particles with a particle size less than 3 mm as raw materials; uniformly mixing the vanadium pentoxide, the aluminum particles and a slagging agent to obtain furnace charges; loading the furnace charges into a reaction furnace body, adding an ignition agent, igniting and igniting, and generating an aluminothermic reduction reaction; when there is no open fire in the furnace, inert gas is introduced into the reaction furnace body for protection, and natural cooling is performed for 3-7 hours; when the alloy ingot in the furnace is naturally cooled to 800-1200 DEG C, the alloy ingot is taken out for water quenching treatment until the center temperature of the alloy ingot is reduced to below 50 DEG C. The technical scheme adopted by the application can effectively release thermal stress and inhibit the growth of brittle phase, the inert gas is isolated from oxygen from the source, and the cracking and oxidation are simultaneously inhibited; the overall cooling cycle is shortened, the production efficiency is significantly improved, and no complex and expensive equipment is needed, so that the energy consumption and production cost are greatly reduced.

The utility model relates to low nitrogen combustor technical field, concretely relates to an external uniform mixing type low nitrogen combustor, including main pipeline, flow divider, gas shunt pipe, ignition gas gun, ignition device and flame monitoring device, and the main pipeline is respectively communicated with gas inlet and combustion -supporting air inlet who sets up, uses natural gas from gas inlet to enter the main pipeline inside, and directly runs to the flow divider downward, then directly shunts through a plurality of gas shunt pipes, and the gas can mix with the air in the premixer at the bottom of the main pipeline finally, then, when encountering open fire, can burn fully, the gas and air mixing structure of the application compares the ratio control structure under prior art, less by outside interference, gas and air directly premix in the burner's spout, then burn after encountering open fire, the structure is more simple, and flow delivery is more stable, and further can pass in gas spout premix gas and air, compared with the existing ratio control structure, will be more conducive to the stable combustion of the burner.

The utility model relates to incense technology field especially, and more particularly to a novel incense cylinder. The utility model discloses the top of the medicine bucket is slidably connected with the upper cover, and the outer side of the upper cover is uniformly provided with three fixed buckles, and the top of the inner side of the upper cover is fixed with a locating needle, and the inner side of the medicine bucket is fixed with a clamping jaw. The utility model provides a novel incense cylinder, and the device can stably fix incense through the design of the clamping structure, avoids tilting, especially for open fire incense, can prevent the spark from falling and contacting the tabletop, fabric and other combustible materials, reduces the fire risk, can reduce the probability that the incense directly contacts the skin or high-temperature component, avoids scalding the user, prevents the indirect safety hazard caused by the wide range of falling of the incense ash due to shaking, and strengthens the adaptability of the device. Since the size of different types of incense is significantly different, the shape and size of the incense disc and the incense tower are more diversified, and the adjustable clamping structure can adapt to these differences.

The application provides a control method and device of an open fire stove, electronic equipment and a storage medium, which can control the inner ring fire ring of the open fire stove to heat a target kitchen appliance with a first operation parameter; when a cooking scene corresponding to the target kitchen appliance meets a first preset condition, the inner ring fire ring and the outer ring fire ring of the open fire stove are controlled to heat the target kitchen appliance with a second operation parameter; when the cooking scene corresponding to the target kitchen appliance meets a second preset condition, the outer ring fire ring of the open fire stove is controlled to heat the target kitchen appliance with a third operation parameter; when the cooking scene corresponding to the target kitchen appliance meets a third preset condition, the inner ring fire ring and the outer ring fire ring of the open fire stove are controlled to heat the target kitchen appliance with a fourth operation parameter; when the cooking scene corresponding to the target kitchen appliance meets a fourth preset condition, the outer ring fire ring of the open fire stove is controlled to heat the target kitchen appliance with a fifth operation parameter; and when the cooking scene corresponding to the target kitchen appliance meets a fifth preset condition, the open fire stove is turned off.

The application discloses a brazing welding device, which comprises a welding seat, a pressing part and an induction heater. The copper terminal is placed on the welding seat; the pressing part comprises a first pressing part for pressing the copper terminal on the welding seat and a second pressing part for pressing the aluminum wire on the copper terminal; the induction heater generates heat by induction current, only the brazing filler metal is melted in the brazing process, and the brazing filler metal, the aluminum wire and the copper terminal are fully diffused to form a firm metallurgical bond. The brazing welding device disclosed by the application adopts induction welding instead of the traditional flame welding mode, the whole welding process is free of open fire, the risk of fire is reduced, meanwhile, the vision or skin of the operator is not damaged; meanwhile, only the brazing filler metal is melted in the induction welding process, the first welding part and the second welding part both remain in a solid state, and the welding difficulty is reduced; the induction welding has the advantages of fast heating speed and high efficiency, can shorten the welding time, improves the production efficiency and reduces the production cost.

The utility model relates to the technical field of modularization battery, disclose lithium battery module with fire extinguishing self -preservation function, including the shell, the shell upper surface is provided with the apron, the apron inner wall is provided with fire extinguishing power -off subassembly, the shell inner wall is provided with the battery body, the battery body upper surface is provided with the busbar, the shell outer wall is provided with the anti -drop explosion -proof subassembly, the fire extinguishing power -off subassembly includes the fire extinguishing cylinder, the fire extinguishing cylinder outer wall fixedly connected in the apron inner wall, the apron inner wall is fixedly connected with the support station, the support station inner wall is fixedly connected with the temperature sensing closed head. In the utility model, the fire detector can accurately capture temperature anomaly, timely control the gate body cut off circuit, avoid the circuit continuous energization aggravate the fire, the temperature sensing closed head is under high temperature and explodes and releases dry powder in the fire extinguishing cylinder, quickly covers the battery body and the busbar, effectively puts out the open fire and prevents the rekindling, reduces the fire hazard caused by lithium battery thermal runaway.

The utility model discloses a novel electronic fire needle, including fire needle body, be equipped with power supply control module on the fire needle body, be equipped with sliding sleeve, fire needle inner body and fixed ring in the fire needle body, sliding sleeve one side is equipped with the component that pushes, the lateral wall of fire needle body is equipped with sliding groove, one side is equipped with the hole in the sliding groove, fire needle body one end is equipped with the through -hole, the through -hole is equipped with the push -pull assembly, sliding sleeve one end is equipped with the thimble, fire needle inner body one end is equipped with the mounting head, be equipped with fire needle suite on the mounting head, fire needle body one side is equipped with the fixed part, fixed plate, laser lamp head and pulse heater. Compared with prior art, the novel electronic fire needle, convenient and fast operation can replace different model fire needle, can control the depth of acupuncture in the process of fire needle acupuncture, improve acupuncture accuracy and effect, do not need to manually heat the open fire, improve the security and treatment efficiency.

The present application relates to a kind of early warning method of belt conveyor fire based on multi-source information fusion, belong to the technical field of mine safety monitoring.The method includes: real-time acquisition temperature, smoke concentration, carbon monoxide concentration and infrared thermal imaging and other multi-source sensing data;Extract time domain statistical features, frequency domain features and time series rate features, constitute multidimensional feature vector;Characteristic vector is input into the multi-source information fusion deep learning early warning model constructed in advance, the model includes spatial feature extraction module, time series feature extraction module and attention fusion layer, and outputs fire occurrence probability prediction value;According to probability value, four early warning levels are divided, and differential response is executed.The advantages of the present application: through multi-source information deep fusion and time series space joint modeling, abnormal heat event can be identified before open fire, false positive rate and false negative rate are significantly reduced, and early precise warning of belt conveyor fire is realized.

The utility model provides a kind of biomass straw transport carriage, including cuboid carriage body, its top inside horizontal fixedly equipped with air distribution plate, and carriage is divided into air chamber and storage room.Air chamber front wall is equipped with air inlet connection air guide fan, and storage room two side walls lower part and rear compartment door bottom are symmetrically arranged waterproof louver, air distribution plate is opened matrix type air hole, and four peripheral edges are sealed with carriage inner wall.Waterproof louver is openable, and dust filter screen is arranged in it;Carriage front part is equipped with flow guide cover, and its air inlet is communicated with air chamber air inlet through ventilation duct, and drying box is arranged in pipeline.Air distribution plate air hole is two-section structure, and storage room inner wall is coated with mildew-proof coating.The utility model additionally provides auxiliary fan and airflow guiding device, and forced ventilation improves heat dissipation effect;Air hole is specially designed to facilitate uniform air distribution, improve ventilation condition;Overall device is closed tightly, protects external open fire and rainwater, ventilates well, prevents straw corruption, reduces spontaneous combustion risk, and guarantees straw quality.

The utility model relates to a cold shrinkage type climbing increasing umbrella, insulating porcelain bottle and disconnecting switch, wherein the cold shrinkage type climbing increasing umbrella comprises: a climbing increasing umbrella, which comprises an umbrella skirt main body; a supporting body, which comprises a silk tube formed by winding a single fine wire according to a preset thread shape; the silk tube is attached to the inner wall of the umbrella skirt main body; the end of the silk tube is reserved with a silk head; wherein, in the expanded state of the climbing increasing umbrella, the umbrella skirt main body is sleeved on the supporting body, and the climbing increasing umbrella is supported and opened by the supporting body; the silk head is pulled to separate the fine wire, the supporting body is disassembled, and the climbing increasing umbrella is contracted. The utility model effectively increases the creepage distance of the insulator porcelain bottle, can further improve the insulating level of the porcelain bottle, and has no open fire and high-temperature heat source in the whole installation process, completely avoids the fire risk, and makes the climbing increasing umbrella safe in construction in the explosion-proof places such as the transformer substation and the oil refinery.

The application discloses a kind of wind turbine intelligent early warning method and fire-fighting linkage control system, its method includes the control host of wind turbine fire-fighting linkage control system access wind turbine main control system, real-time monitoring wind turbine each operation data, carries out three-level fire early warning, three-level fire early warning includes the early warning when wind turbine fire-fighting linkage control system discovers data anomaly, data anomaly cannot be automatically handled when interim early warning and limit early warning when smoke or open fire appears in cabin.The application establishes complete wind turbine intelligent early warning and fire-fighting linkage control system, responds to the data anomaly processing possibly caused by fire by the way of three-level early warning, and can realize graded response measures, face different situation intelligent research and judge response measures, independently open fire extinguishing system.

The application discloses a safety blocking device, in particular to a safety blocking device for gravity conveying pipeline of flammable and explosive materials, and belongs to the technical field of dangerous material conveying equipment design and manufacturing. The safety blocking device for gravity conveying pipeline of flammable and explosive materials has short response time and can extinguish the fire in the conveying pipeline after being cut off. The safety blocking device comprises a material conveying pipeline, and further comprises a quick cutting mechanism and a fire extinguishing sealing system. The material conveying pipeline is quickly cut off by the quick cutting mechanism according to the requirement, and the remaining open fire in the material conveying pipeline at both ends of the quick cutting mechanism is extinguished by the cooperation of the fire extinguishing medium sprayed by the spray head inlaid on the quick cutting mechanism of the fire extinguishing sealing system, and meanwhile, the pipeline forms a sealing effect at the valve with the assistance of the fire extinguishing medium.

The utility model is suitable for the technical improvement field of electronic smoking set, provides a kind of heating mechanism and electronic smoking set, the heating mechanism includes heat pipe and heating part, the heating part is located the outer surface of heat pipe, the heating part includes heating film body, first heating resistance piece and second heating resistance piece, the first heating resistance piece and second heating resistance piece are respectively located on the heating film body, the negative end of first heating resistance piece is connected the negative end of second heating resistance piece, the first heating resistance piece and the second heating resistance are oppositely arranged.This heating mechanism simple structure, through the square wave structure of resistance piece, make heating more uniform, the tobacco of cigarette is baked more fully, reaches the smoking effect of open fire combustion, greatly improves security, reduces the inhalation amount of harmful substances.