314 results about "Open fire" patented technology

The invention provides a shallow coal seam hidden fire source full-field monitoring and early warning method and system, and belongs to the technical field of coal spontaneous combustion fire monitoring and early warning, and the method comprises the steps: S1, obtaining thermal infrared image and visible light image data; s2, eliminating redundant thermal imaging frames and fuzzy thermal imaging frames; s3, obtaining a preliminary surface temperature field distribution map; s4, an open fire source and a suspicious area are distinguished, and positions are marked; s5, acquiring surface temperature gradient distribution and indication gas concentration data of the suspicious area, and acquiring surface temperature data and underground temperature data of the verification point, indication gas data escaping from the detection hole and radioactive radon content data; s6, establishing identification indexes of the dark fire source; s7, establishing a dark fire source grading risk standard; and S8, outputting an early warning result. According to the method, full-time, full-field and three-dimensional monitoring is realized, the accuracy and the reliability are improved, intelligent graded early warning and decision support are realized, and the environmental adaptability and the automation level are enhanced.

The invention discloses a lithium ion battery energy storage cabinet with a fire extinguishing function and a use method, and relates to the technical field of new energy battery energy storage, the lithium ion battery energy storage cabinet comprises a cabinet body, and a plurality of battery cabins and independent fire extinguishing agent storage tanks are arranged in the cabinet body. Through a highly integrated'early warning-fire extinguishing-cooling 'triple active safety mechanism, extremely high safety and reliability are achieved, after the fire detection unit gives out an early warning, a fire extinguishing agent is sprayed to an ignition point through a fire extinguishing agent release pipeline and a nozzle, open fire is rapidly extinguished, then the integrated cooling system works, and the fire extinguishing effect is achieved. The high-temperature battery module is continuously cooled through the atomization nozzle, the problem that a lithium ion battery is extremely prone to reburning is efficiently solved, the supercapacitor serves as a standby power source, it is ensured that the whole fire extinguishing system can still obtain instant and reliable emergency power under the extreme condition that a main power source is interrupted, and then the fire risk and secondary damage are reduced; and a solid foundation is provided for large-scale safe application of energy storage of the lithium ion battery.

The invention relates to the technical field of material compositing, and discloses a polyurethane composite insulation board with a good flame retardant effect, which comprises the steps of fireproof surface layer pretreatment, flame retardant core layer preparation, reinforced substrate layer treatment, lamination molding and post-treatment, by designing a unique three-layer composite structure and adopting a multi-component synergistic flame retardant system, the flame retardant effect is good, and the flame retardant effect is good. The heat insulation board can form a multi-stage flame-retardant barrier when encountering high temperature and open fire, the flame spreading speed is slowed down, the overall fireproof safety of the material is improved, and the durability and stability of the flame-retardant effect are enhanced through the synergistic effect of all the functional layers; through surface modification treatment on the functional reinforcing phase, the interface bonding force between the functional reinforcing phase and a polyurethane matrix is improved, so that the flame retardant and the reinforcing phase are uniformly dispersed in the matrix, and the performance defect caused by agglomeration is avoided, thereby enhancing the mechanical strength and structural integrity of the material while keeping excellent thermal insulation performance.

The utility model provides a smoke exhaust flow guide cover, a battery and electric equipment, and relates to the technical field of battery safety. The smoke exhaust flow guide cover comprises a cover plate, a first cover body and a second cover body. Wherein the cover plate is used for being connected with a battery pack in a sealing manner, and an anti-explosion valve port for accommodating the anti-explosion valve is formed in the cover plate; the first cover bodies are connected with the cover plate and correspond to the anti-explosion valve ports one to one, first smoke outlets are formed in the first cover bodies, and the first smoke outlets and the anti-explosion valve ports are arranged in a staggered mode; the second cover body is arranged on the side, connected with the first cover body, of the cover plate and covers the first cover body, a second smoke exhaust port is formed in the second cover body, and the second smoke exhaust port and the first smoke exhaust port are arranged in a staggered mode. By using the smoke exhaust guide cover in the battery, when the battery is in thermal runaway, the exhaust direction of smoke is changed, the exhaust distance is prolonged, the resistance is increased, and the flowing speed and temperature of the smoke are reduced, so that the smoke is not easy to generate open fire with other combustibles after being exhausted, and the damage to personnel and property is reduced.

The invention relates to the technical field of forest fire emergency disposal, in particular to a helicopter-borne forest fire automatic identifying, 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 the probability of the open fire and the smoke by using the spectral response difference of the open fire and the smoke in different wavebands; generating a high-confidence three-dimensional fire point list based on a D-S evidence theory in combination with the infrared suspected fire point, the open fire and smoke probability, the combustion intensity and the live wire intensity; constructing a multi-objective optimization model, and solving a to-be-extinguished line and a region priority list in combination with the multi-objective optimization model, fire scene topographic feature parameters, fire line spreading features and the high-confidence three-dimensional fire point list; and generating or adjusting a flight route and a fire extinguishing instruction through a model prediction control framework based on a delivery window, the high-confidence three-dimensional fire point list and the to-be-extinguished line and area priority list.

The invention provides an intelligent electric energy metering box capable of being remotely regulated and controlled, and relates to the technical field of electric energy metering, the intelligent electric energy metering box comprises an embedded assembly, a box body and a fence mechanism, a mounting cavity is formed in the embedded assembly, the box body is embedded in the mounting cavity, the side edge of the box body is attached to the inner wall of the mounting cavity, the embedded assembly is used for being embedded in a wall, and the fence mechanism is arranged in the box body. The front end of the embedded assembly is provided with a fence mechanism, the fence mechanism is connected with the top area of the embedded assembly, and the fence mechanism is used for shielding and covering the front end area of the box body. When overheating or even open fire occurs in the box body, the inner box body can be remotely controlled to move, an approximately closed structure is formed in the inner side space, and the box body can be prevented from being damaged. And finally, oxygen input is blocked through the sealing effect, the fire extinguishing purpose is achieved, the protection effect can be provided for the internal smoke sensor in the process, meanwhile, external rainwater and dust can be prevented from entering the box body, and the protection effect on internal power equipment is enhanced.

The invention discloses lithium ion energy storage battery over-temperature protection and multi-dimensional safety management and control integrated equipment, and belongs to the technical field of battery over-temperature protection. And the multiple sets of buffering mechanisms are arranged, and the multiple sets of buffering mechanisms are all arranged in the protection outer box. According to the lithium ion energy storage battery over-temperature protection and multi-dimensional safety management and control integrated equipment, through the use of the high-temperature pressure relief mechanism, when the battery is in thermal runaway and the internal pressure is suddenly increased, a pure mechanical pressure relief sealing structure is burst open, the response speed is far higher than that of an electric control system needing to be recognized by a sensor, and a high-pressure jet flow generates negative pressure when passing through a throat; the fire extinguishing dry powder is automatically sucked out from the dry powder cavity, no external instruction or power is needed in the process, seamless connection of pressure relief, namely fire extinguishing is achieved, the dry powder is violently mixed with the high-temperature jet flow in the pressure relief channel, a large amount of heat can be instantly absorbed, the temperature of the jet flow can be reduced, open fire can be directly extinguished, and fire is effectively prevented from spreading in the box.

The invention provides a camera-assisted BMS decision-making fire-fighting method, device and equipment and a medium, and the method comprises the steps: collecting a visible light image and an infrared thermal image of a battery module, and obtaining the operation data of the battery module; performing visual feature extraction on the visible light image to obtain visual features, and determining a hot spot state according to the infrared thermal image; when the visual features of the battery module are abnormal, the hot spot state is open fire out-of-control spreading and the operation data exceed a preset threshold value, performing space-time alignment processing on the visual features, the hot spot state and the operation data to obtain a space-time alignment multi-source fusion sequence; and inputting the space-time alignment multi-source fusion sequence into a pre-trained multi-modal fire risk assessment neural network model, and outputting a fire risk level. According to the method, space-time alignment and cross-modal interaction can be carried out on the visual features and BMS electrical parameters, the problem of false alarm and missing alarm caused by the fact that a single sensing dimension is prone to interference is effectively solved, and the accuracy and robustness of risk judgment are improved.

The utility model relates to the technical field of insulation board, and disclose a double -faced composite fireproof renewable insulation board, including the board body, the board body is sequentially provided with the heat preservation layer from inside to outside. The double -faced composite fireproof renewable insulation board, when the high temperature or open fire appears outside, the first fireproof layer and the second fireproof layer of both sides give priority to play the fire -resistant barrier effect, rely on material high -temperature -resistant, non -combustion characteristics, block flame spread and high -temperature transmission, the heat insulation layer in the middle, with the help of the closed bubble structure evenly distributed inside, reduce air convection and heat conduction, realize heat barrier, maintain the temperature difference of both sides of the board body to reach the heat preservation effect, the reinforcing layer is connected closely with the heat preservation layer and the second fireproof layer through epoxy resin adhesive, both strengthen the bonding strength of each layer, prevent interlayer peeling, and improve the overall structural stability of the board body, avoid its deformation, cracking when stressed or temperature changes.

The invention provides a restaurant exhaust air recovery type kitchen ventilation system and method based on air volume self-adaption. The system comprises a restaurant ventilation subsystem, a kitchen non-open fire area ventilation subsystem and an air path switching controller. A restaurant main exhaust pipe of the restaurant exhaust fan is connected with a restaurant first exhaust branch pipe and a restaurant second exhaust branch pipe, the restaurant first exhaust branch pipe is communicated into a public walkway of a kitchen non-open fire area, a second air valve is arranged on the restaurant first exhaust branch pipe, the restaurant second exhaust branch pipe is communicated to the outside, and a third air valve is arranged on the restaurant second exhaust branch pipe; the kitchen non-open-fire area fresh air fan and the kitchen non-open-fire area indoor fresh air pipe are communicated with the kitchen non-open-fire area, a first air valve is arranged on the kitchen non-open-fire area indoor fresh air pipe, and the first air valve, the second air valve, the third air valve and the restaurant fresh air fan are all connected with the air path switching controller. The invention relates to the technical field of building ventilation and air conditioning, and can solve the problems of energy waste and uneconomical system operation in the prior art.

The invention relates to the technical field of coal drying, in particular to central pipe heating coal upgrading and drying equipment. The coal dryer comprises a cylinder, the two ends of the cylinder are connected with a front-end extension pipe and a rear-end extension pipe respectively, a drying cavity is formed in the cylinder, a heating structure is arranged in the drying cavity, the section of the heating structure is circular, the heating structure is of a circulating pipeline structure, and low-temperature airflow is introduced into a pipeline and used for achieving non-contact low-temperature drying operation on coal. A drying mode of circulating airflow between the central pipeline and the 18 seamless steel pipes is adopted, so that a heat source is not in direct contact with coal, no open fire is generated in the whole process, and the hidden danger of explosion caused by contact between coal dust and the open fire is eliminated fundamentally; and meanwhile, the problems of local overheating, coal property change and the like caused by direct contact in traditional high-temperature drying are solved, and the safety of the drying process is improved.

The invention discloses a smog gas sample generation and storage device for testing an underground coal mine smog sensor, the smog gas sample generation and storage device comprises a storage cylinder, a smog adjusting unit and a smog generation unit, the smog adjusting unit is arranged in the storage cylinder, and the smog adjusting unit is composed of a movable adjusting piston and an adjusting structure; the adjusting piston is arranged in an inner cavity of the storage barrel, the adjusting structure is used for adjusting the position of the adjusting piston, pre-storage and quantitative taking of a smoke sample can be achieved through cooperation of the storage barrel and the adjusting piston, and therefore the underground open fire danger is avoided; meanwhile, the adjusting piston is finely controlled by the control assembly, so that the smoke is stably output at a constant speed, and the accuracy of the calibration concentration is ensured; and the anti-deposition assembly is automatically started when the smoke is output through the linkage driving assembly, so that the smoke particles are effectively prevented from settling at the bottom of the storage cylinder, and the uniformity and stability of the concentration of the gas sample are ensured.

The application discloses an indoor fire source loading method for simulating real fire in an underground tunnel, S1: processing a test rock block in the shape of a cuboid; S2: selecting rock blocks as bases and placing the test rock block above the two bases with a distance between the two bases, so as to form a structure similar to a "pin" character; S3: setting a heating groove in the space between the two bases and the bottom surface of the test rock block; S4: spraying fireproof materials at the intersection gap between the bottom of the left and right side walls of the test rock block and the two bases, and at the intersection gap between the bottom of the front and back wall surfaces of the test rock block and the heating groove; S5: placing combustion materials in the heating groove and performing open fire source damage loading; and S6: extinguishing the open fire source and performing post-processing on the test rock block. The method can effectively realize single-side open fire loading on the rock block in a laboratory scale, is closer to the actual situation that the single-side wall of surrounding rock is affected by fire, and is more reasonable and intuitive for simulating and studying rock open fire damage in real fire in an underground tunnel.

The application discloses a fireproof cable with a stepped temperature reduction structure and belongs to the technical field of cables. The fireproof cable comprises a protective layer, a plurality of cable cores are wrapped in the protective layer, an inner filling cavity is arranged between the protective layer and the cable cores, the inner filling cavity is filled with inner flame-retardant filling, the cable core comprises a lead core, the lead core is wrapped with insulating rubber on the outside, and the lead core is further wrapped with a high-temperature-resistant rubber layer on the outside. The lead core is protected through the cooperation of the flame-retardant insulating sleeve, the outer flame-retardant filling, the shielding layer, the inner flame-retardant filling and the steel wire. The flame is blocked layer by layer through the above manner, the flame retardance of the fireproof cable is greatly increased, the reliability of the cable is improved, and the cable can still perform power transmission when being burned by open fire.

The negative pressure fire insulation accident oil collecting device with the oil blocking function is used for being arranged on the side of a movable transformer and comprises a modular oil tank, and an oil inlet is formed in the top of the modular oil tank; the oil baffle plate is mounted at the oil inlet, and the plate surface of the oil baffle plate is arranged towards the mobile transformer; the fire insulation interlayer is fixed in the modularized oil tank and divides an inner cavity of the modularized oil tank into an upper-layer fire insulation cavity and a lower-layer oil storage cavity; the negative pressure mechanism communicates with the oil storage cavity and is used for forming negative pressure in the oil storage cavity and diluting oxygen in the oil tank, the requirement for rapid deployment of the mobile transformer substation is met through the design of the modular oil tank, and the problems that a traditional civil engineering oil pool cannot move and is long in period are solved. The oil baffle plate effectively blocks and guides splashed high-temperature oil liquid, so that the problem that fire behavior is expanded due to the fact that the oil liquid spreads everywhere during an accident is solved; the fire insulation interlayer allows oil to pass through but can isolate open fire outside, and the risk of secondary combustion or explosion caused by the fact that flames flow into the oil storage cavity along with oil is reduced.

The application discloses a linkage type air purification system control method, which is suitable for general control or regulation systems, functional units of the systems, and monitoring or testing device technology fields of the systems or units. The method in the specification is used for cascading a fresh air system and a fire control system in a building, combining the two on the basis of respective functions, and realizing fire control and prevention of the building to which the two belong under the management of a general control device. The method can effectively locate a fire position, and take measures to avoid fire spreading to other rooms in a fire lasting process. The method can also discharge smoke generated by combustion to the outside on the basis of the determined fire position, which is beneficial to assisting personnel at the fire site to escape. The method in the specification can consider smoke spreading and open fire spreading respectively to formulate linkage strategies beneficial to user escape, and can avoid increasing fire loss.

The invention provides an anti-spilling flow guide device of electric energy storage equipment. The anti-spilling flow guide device comprises a shell and a flow guide device, wherein an inner cavity is formed in the shell for accommodating the secondary battery, and the shell is provided with an exhaust port for communicating the inner cavity with the outside of the shell; the fluid director is arranged in the inner cavity of the shell, at least one part of the fluid director and the shell are arranged in a spaced mode, a fluid director channel extending towards the exhaust port is formed between the fluid director and the inner side wall of the shell, and the fluid director is provided with at least one fluid director blade arranged on one side corresponding to the positive electrode of the secondary battery; the guide vane is provided with an oblique angle for guiding flame or high-temperature gas generated by the secondary battery into the guide channel, so that the flame or the high-temperature gas is guided to the exhaust port and then discharged out of the shell; according to the invention, flames and high-temperature gas generated by thermal runaway of the secondary battery can be guided to the exhaust port, so that further damage caused by open fire is avoided.

The utility model relates to the technical field of cable manufacturing, and discloses a double-layer co-extrusion sheath cable which comprises a conductor, a conductor shielding layer, a crosslinked polyethylene insulating layer, an insulation shielding layer, a semi-conductive water-blocking tape, a soft round copper wire, a soft pure copper tape, a non-conductive water-blocking tape and a CPP tape from inside to outside. According to the double-layer co-extrusion sheath cable, the inner sheath layer and the outer sheath layer are arranged, the inner sheath layer is made of the flame-retardant PVC material with the oxygen index larger than or equal to 32%, a carbonization layer can be rapidly formed under the condition of high temperature or open fire, oxygen is effectively isolated, flame-retardant gas is released, and flame is prevented from spreading towards the interior of the cable, and the outer sheath layer is made of the high-hardness MDPE material. Although the flame retardance is general, the flame diffusion speed can be slowed down, and through the synergistic effect with the inner layer PVC, the overall flame retardant grade of the cable reaches the V-0 grade (UL 94 standard), the high-flame-retardant scene requirement is met, and the flame retardant property is further remarkably improved.

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 invention provides a table for measuring the tiny moisture content of lubricating oil and a measuring method, and relates to the technical field of lubricating oil detection. The meter comprises a cup body, an upper cover, a circuit board and a sensor, the designed volume of the cup body is 120 ml, threads are arranged at a cup opening, two sets of mounting hole structures are arranged on the cup body and are threaded holes and positioning holes, the periphery of the upper cover is of a polygonal structure to achieve the anti-skid function, threads matched with the threads of the cup body are arranged on the inner side of the lower edge of the upper cover, and the threaded holes are communicated with the positioning holes. A through hole is formed in the middle of the upper cover as a sensor mounting position; and a rubber ring is arranged at the joint of the upper cover and the cup body. Compared with the prior art, the method has the advantages that the detection efficiency is high, the precision is reliable, the detection period is shortened to 5-10 min, the precise detection requirement of the tiny moisture content of the lubricating oil can be met, meanwhile, compared with the prior art, the method is easy and convenient to operate, operation by professionals is not needed, the safety is high, the method almost has no toxicity, no open fire or high temperature exists in the operation process, and the safety is remarkably improved.

The invention provides anti-ablation composite rubber conveyor belt cover rubber and a preparation method thereof, and relates to the field of rubber materials, the preparation method comprises the following steps: step 1, plastication, step 2, first-stage mixing, step 3, second-stage mixing and step 4, vulcanization molding, and solves the problem that the traditional conveyor belt cover rubber is not prone to deformation when facing severe environments such as high temperature, open fire and the like. The problems that a conveying belt cannot work normally due to the fact that the conveying belt is prone to surface cracking, carbonization, erosion and the like, production cost is increased due to frequent replacement of the conveying belt, and production efficiency is seriously affected are solved.

The mosquito sampling device comprises a main machine and a mosquito collector, the main machine comprises a machine body, a control system, a power source and a carbon dioxide source, the carbon dioxide source comprises a carbon dioxide steel cylinder assembly and a flow control valve, and the carbon dioxide steel cylinder assembly comprises a carbon dioxide steel cylinder and an operation accessory. The operation accessory comprises an electromagnetic valve mounted at the outlet of the carbon dioxide steel cylinder; an inlet of the flow control valve is connected with an outlet of the electromagnetic valve; an outlet of the flow control valve serves as an outlet of the carbon dioxide source, and a control end of the flow control valve and a control end of the electromagnetic valve are respectively connected with a control system. The carbon dioxide steel cylinder assembly and the flow control valve are used as a carbon dioxide source for trapping mosquitoes, the release amount of the carbon dioxide gas source is easy to control, open fire is not needed for carbon dioxide generation, and the outdoor operation safety is good.

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 present application relates to a kind of railway sticky oil tank car cleaning and detection method, solve the problem that the existing railway sticky oil tank car cleaning method is difficult to clean around manhole, tank body outside, tank bottom, heating sleeve or inner heating pipe thoroughly, and the technical problem that the detection method of railway sticky oil tank car is difficult to detect the content of toxic and harmful gas and oxygen in it comprehensively.The method comprises the following steps:1】steam railway sticky oil tank car inside and heating device inside, until the sticky oil in railway sticky oil tank car inside is steamed soft distillation, and the drain pipe of railway sticky oil tank car flows out clear condensate water;2】flush the outside of railway sticky oil tank car;3】flush the residual oil belt of the bottom of railway sticky oil tank car;4】three-dimensional flushing is carried out to the inner wall of railway sticky oil tank car;5】replace the mixed gas in railway sticky oil tank car;6】carry out open fire test in railway sticky oil tank car, if there is no abnormal sound, no smoke, then test is qualified, complete railway sticky oil tank car cleaning and detection;Otherwise, return to step 1】.

The utility model discloses an electric guard compact type intelligent fire extinguishing device, and relates to the technical field of fire extinguishing devices. The compact intelligent fire extinguishing device for the electric guard is L-shaped on the whole and comprises a fire extinguisher main body with a cylindrical structure and a steering spray head which is mounted at the end part of the fire extinguisher main body and forms an angle of 90 degrees with the fire extinguisher main body; a perfluorohexanone fire extinguishing agent and nitrogen are stored in the fire extinguisher main body; a diffuser is installed on the steering nozzle, and an ether liquid glass tube is adopted as a channel switch between the diffuser and the steering nozzle. The compact intelligent fire extinguishing device for electric guards is particularly suitable for fire treatment in narrow and small spaces, can automatically sense high temperature or open fire, can be quickly started, and can extinguish fire under the condition of minimum manual intervention; according to the fire extinguishing device, the safety of electrical equipment is improved, economic losses caused by fire disasters are reduced, and negative effects on the environment are reduced due to the fact that the environment-friendly fire extinguishing agent is used.

The utility model relates to the technical field of agilawood formation, and discloses an ozone agilawood formation promoting device which comprises a control box, the top of the control box is fixedly connected with an ozone generator, the output end of the ozone generator is fixedly connected with an output pipe, and one end of the output pipe is fixedly communicated with a pipeline branching connector. And one output end of the pipeline branching connector is fixedly communicated with an air pipe. Through cooperative use of the ozone generator, the output pipe, the pipeline branching connector, the air pipe, the ozone conveying pipe, the storage battery, the photovoltaic charging and discharging management module, the time controller and other structures, ozone can be continuously provided for the interior of the aquilaria sinensis tree, so that the interior of the aquilaria sinensis tree is highly oxidized, aquilaria sinensis is promoted to form agilawood, and the aquilaria sinensis tree is protected from being damaged. The agilawood production device solves the problem of low yield of agilawood production through punching, avoids fire hazards caused by open fire in traditional methods such as burning of iron nails, and improves the practicability of the agilawood production device.

The application discloses a heavy oil flue gas purification device generated by open fire lamp combustion, which comprises a lamp box and a purification mechanism; the inside of the lamp box is formed with a space for open fire lamp combustion; the purification mechanism comprises an exhaust hood, an exhaust fan and a flue gas purification filter element arranged in the exhaust hood; the exhaust hood is fixed to the top of the lamp box; the top of the exhaust hood is provided with an exhaust port; the bottom of the exhaust hood is communicated with the top of the lamp box; the exhaust fan is used for discharging the heavy oil flue gas generated by the open fire lamp combustion in the lamp box upward from the exhaust hood; and the flue gas purification filter element is used for filtering and purifying the heavy oil flue gas flowing through the exhaust hood. The application can purify the heavy oil flue gas generated by the open fire lamp combustion in the first time, and reduces the pollution of the heavy oil flue gas discharge to the external environment.

The utility model discloses an ignition device which comprises an outer shell, a gas box and an ignition piece are arranged in the outer shell, an inner cavity used for storing fuel gas is arranged in the gas box, a gas outlet piece is communicated with the gas box, an operation piece used for opening and closing the gas outlet piece and controlling the ignition piece is arranged on the outer shell, and an ignition groove is formed in one end of the outer shell. A plurality of open fire openings and straight flushing openings capable of jetting flames to the center of the ignition groove are formed in the inner wall of the ignition groove at intervals, open fire spray heads and straight flushing spray heads corresponding to the open fire openings and the straight flushing openings in position are arranged in the shell, and the gas outlet piece comprises a first gas nozzle and a second gas nozzle which supply gas to the open fire spray heads and the straight flushing spray heads respectively. According to the utility model, the open fire and the direct-flushing flame are combined for use, the advantages of the open fire and the direct-flushing flame can be combined, and more efficient and more accurate ignition and combustion effects can be achieved.

The application discloses a preparation method of open fire heating glassware, which comprises the following steps: S1, mixing and stirring raw materials, putting the mixed raw materials into a melting kiln to be calcined and melted to form raw material glass liquid; S2, heating the prepared raw material glass liquid through high temperature of the melting kiln to form uniform bubble-free glass liquid; S3, converting the melted bubble-free glass liquid into glassware with fixed shape, and slowly annealing the formed glassware; and S4, soaking the annealed glassware in a high-temperature salt solution of cesium and potassium, heating the glassware to a critical state of softening point, and then sending the glassware into a wind grid for air cooling forming. The preparation method is simple in process, convenient in operation, low in cost, economic and environmental protection. The open fire heating glassware with various shapes prepared according to the method has good heat resistance, stability and tempering degree, and the production efficiency of the glassware is improved, and the glassware production time is shortened.