2185 results about "Fireworks" patented technology

The invention relates to fireworks and crackers producing, storing, transporting process dynamic monitoring system and method. The method is formed by supervising and monitoring center systems. It includes that real time collecting and dynamically displaying safe parameter and video information for the firework and crackers production field, band and transportation vehicle; dynamically display the safe parameter, position information, speed information for the transportation vehicle; classing early-warning, warning, processing for the safe parameter; statistical analysis for corporation safety condition; searching corporation monitoring information and warning processing; when the transportation happens accident, the monitoring server will start corresponding emergency beforehand. The invention can prevent large malignancy accident from happening in firework and crackers producing, storing, and transporting to protect people life and property better.

The invention discloses a drilling and lead inserting system for assembling a firework. The system comprises a needle bar, a lead feeding device, a numerical control system and a driving and transmission system, wherein the needle bar can move upwards and downwards in a reciprocating way; the lower end of the needle bar is provided with an n-shaped drilling and lead inserting device which consists of two parallel drilling needles; a large movable tongue and a small movable tongue are arranged between the two drilling needles; the lead feeding device consists of at least one lead supply wheel and a lead guide groove; and the driving and transmission system comprises at least one driving motor and a plurality of transmission devices, is connected with an electromagnet of the numerical control system and is used for driving and controlling every component of the drilling and lead inserting system to run synchronously. The drilling and lead inserting system is arranged above a firecrackerbarrel conveying passageway, can be used for accurately finishing a series of works such as lead supply, lead cutting, lead inserting and the like, has high degree of automation, high working efficiency and working reliability; and drilling and lead inserting are finished synchronously, and the lead inserting quality of is effectively ensured.

A method for extinguishing fire, wherein a gas an aerosol mixture is fed into a space includes steps of igniting a pyrotechnic composition that ensures a predetermined temperature profile during burning and a predetermined composition of the gas and aerosol mixture completely oxidizing the combustion products of incomplete combustion of the pyrotechnic composition by causing them to pass through a bed of catalytically active substances, which is located in the zone of the maximum temperature of the temperature profile of combustion of the pyrotechnic composition, with the temperature remaining constant by redistribution of said profile; cooling the combustion products and completely oxidizing them by reacting with substances having high heat absorbing capacity, concurrently with the filtering of the combustion products according to composition of the gas phase and particle size of the aerosol phase. An apparatus for extinguishing fire, having a casing (1) that has a discharge port (2), a combustion chamber (3) that is accommodated in the casing (1) and heat insulated from the walls of the casing (1), a pyrotechnic composition (4) and an igniter (5) that are received in the combustion chamber, a cooling section (9) and a complete catalytic oxidation section (6) that has a pair of spaced metal gratings (8a, 8b) between which a catalytically active substance is placed and that is located at a fixed distance from the pyrotechnic composition (4). A compensation device (10) is provided for maintaining the above-mentioned fixed distance during the burning of the pyrotechnic composition (4).

The invention discloses a firework identification method and a firework identification system based on deep learning of an image. The firework identification method comprises the following steps of step 1, acquiring a label-free sample image set and a label sample image set; step 2, obtaining a label-free training data set and a label training data set; step 3, performing whitening preliminary processing on training data; step 4, based on the label-free training data subjected to the whitening preliminary processing, constructing a deep neutral network based on sparse self coding by adopting unsupervised learning, and extracting a basic image feature set of the label-free training data; step 5, convolving basic image features and pooling image data; step 6, training a Softmax classifier based on the convolved and pooled label training data set; step 7, inputting the convolved and pooled images to be identified into the trained Softmax classifier to obtain the identification result. According to the firework identification method and the firework identification system disclosed by the invention, the visual identification rate of fireworks and a similar object can be effectively improved, and automatic identification with higher precision for the fireworks can be realized.

The invention discloses an image-text firework production method with users dyeing a partial preset part. The image-text firework production method is characterized in that an image-text firework carrier, dyeing articles and a dyeing image-text production method are adopted. The image-text firework carrier is provided with a lift-off rocket, a lattice structural body, preset image-text display flames, flame primary color powder, simultaneous propellant powder and a simultaneous ignition device, wherein the lift-off rocket is connected with the lattice structural body, and the simultaneous propellant powder, the preset image-text display flames and the flame primary color powder are filled in the lattice structural body. The dyeing articles include a dyeing saline solution and a dyeing device. The dyeing image-text production method includes image-text sample manuscript design, dyeing saline solution application, flame primary color powder penetrating staining, liquid component removing for sufficient drying and the like. According to the image-text firework production method, the displayed picture part of set off fireworks is preset and can be randomly combined according to free expressing of users, and accordingly the users can experience pleasure brought by personal participation and can directly express affection. In addition, the image-text firework production method is simple to implement, low in cost and suitable for volume production.

The invention discloses a production method for partitioned unit glued lattice structural bodies of graphic fireworks. Partitioned units, a lattice body forming jig and a production method of finished lattice structural bodies are included. The lattice body forming jig is provided with jig inserting holes, and the jig inserting holes are distributed in a lattice shape and used for insertion of the partitioned units. The production method of finished lattice structural bodies comprises step one, presetting contour shapes after graphic fireworks are set off; step two, producing a height-limit lantern ring according to contour shapes; step three, placing the lattice body forming jig; step four, inserting the partitioned units and process plugs into the lattice body forming jig; step five, sleeving the height-limit lantern ring, and using a lattice pressing jig for compaction; and step six, applying glue, performing curing and the like. The production method is simple in implementation and convenient to produce, the complex lattice structural bodies are simplified, the production method is suitable for batch production, costs of graphic fireworks can be reduced substantially, and the production method is the key for graphic fireworks to enter thousands of families at low prices.

The invention discloses a production method of partitioned independent powder-charged post-dyed graphic fireworks. A graphic firework structure and a post-dyed graphic firework production method are included. The graphic firework structure comprises lattice structural bodies, the lattice structural bodies are filled with firework base color powder and connected with simultaneous launchers, the simultaneous launchers are connected with a simultaneous ignition bin, and the simultaneous ignition bin is filled with simultaneous ignition powder and connected with a lift-off rocket. The post-dyed graphic firework production method comprises a dyeing salt solution, a dyeing device and a dyeing method, wherein the dyeing method comprises designing graphic sample manuscripts, contacting the dyeing salt solution with the firework base color powder through the dyeing device, enabling the dyeing salt solution to permeate into the firework base color powder according to rule limitation, mixing, removing liquid components, performing full drying, and displaying desired colors after the original firework base color powder is lighted. The production method is simple in implementation and convenient to produce, inventory is not needed, and the graphic fireworks can be dyed before leaving factories and be dyed by users through free combination after being purchased.

The invention discloses a self-learning video fire detection method. According to the technical field, the method comprises the steps as follows: a batch of fireworks images are collected, the backgrounds of the images are removed and tags are added, and the images are taken as a seed data set; data samples for a specific application environment are automatically generated using the seed data and a collected video; the data samples are trained through an online learning algorithm to get fire and smoke detectors; a front end sends an acquired suspected fire image to a detection server to judge whether there is a fire; and in the running process, the detection server gets new samples constantly to update the detectors online. Compared with the prior art, the method has the following advantages: the method can be used in all kinds of scenarios, and can adaptively improve the performance and reduce the rate of false report; and suspected area extraction and fire identification are separated, and fire identification can be conducted remotely or even be deployed at the cloud, which makes the whole system more convenient to upgrade and maintain.

The present invention is directed to pyrotechnic aerosol fire suppression compositions that burn rapidly, but coolly. The rapid burning of the compositions of the present invention produces a voluminous flame-suppressive aerosol that is useful in suppressing and / or extinguishing both small and large fires. The compositions of the invention contain at least one oxidizer and a fuel component comprising at least one organic acid salt, which combination produces a rapid burning composition that burns at low temperatures with little or no flame.

The invention relates to a sulfur-free nitrogen-free high-temperature-resistant environment-friendly firework propellant and a preparation method thereof, and belongs to the technical field of fireworks and crackers. The sulfur-free micro-smoke high-temperature-resistant firework propellant is prepared from the following components in parts by weight: 55-75 parts of polytetrafluoroethylene with the particle size of 50-300 microns; 5-25 parts of aluminum powder with the particle size of 5-75 microns; 5-25 parts of zinc powder and 5-15 parts of copper powder with the particle size of 5-75 microns; 2-10 parts of calcium silicate with the particle size of 20-150 microns; 0.5-5 parts of a silane coupling agent; and 1-5 parts of an energetic binder. The preparation method adopts the processes of chemical modification, coating, powder mixing, granulation, drying and the like, and is simple in process, free of special process requirements, low in cost and convenient for batch production. The obtained product has the advantages of no sulfur, slight smoke, no environmental pollution, low impact or friction sensitivity, high temperature resistance, static resistance, high safety and the like, and can be widely applied to the production of propellant powder for fireworks and crackers.

The invention relates to a flexible automatic production system for combined fireworks, which comprises an automatic tube rolling machine, a conveyer, a mud filling machine, a cake assembling and fuse inserting machine, a wrapping machine and a manipulator. The system is characterized in that firstly tubes are rolled through the automatic tube rolling machine and are stored in a tube storage basket, the tubes are fed to the mud filing machine for mud filling, cake assembling and fuse inserting after the tubes are dried, then the tubes are wrapped and reinforced by the wrapping machine, the tubes are righted and fed to the inlet port of the manipulator, propelling charges, effect part tubes, a first paper layer and a second paper layer are sequentially filled into the tubes after cake assembling, face paper and labels are stuck, products are boxed and sealed by a boxing and sealing machine and then the finished products are conveyed by the conveyer to a finished product warehouse; and materials among equipment of the entire system are conveyed by adopting the conveyer, and the loading position and the unloading position of each equipment are provided with photoelectrical conversion switches which are used for controlling the startup and the shutdown of the conveyer. Since the materials in the system are conveyed by the conveyer and the startup and shutdown of the conveyer are controlled by the photoelectric conversion switches, the materials are accurately conveyed in time, the product quality and the production efficiency are guaranteed, and the defects that manual handling in the past is time-consuming and labor-consuming and safety accidents are apt to occur are avoided.

The invention discloses a process for producing activated carbon by a physical activation method. The process is characterized in that an activation process is added on the basis of machine-made straw charcoal, and comprises the following steps of: crushing and grinding the straw charcoal into powder and pressing the powder again to form grains; and feeding the grains into a special externally heated rotary activating furnace and performing activation by taking a gas as an active agent to obtain a finished product. The activation principle of the process is that: the activated carbon has strong adsorption capacity due to a special microcrystalline structure, well-developed micropores and great specific surface area thereof, and is produced by making the carbon form the porous microcrystalline structure and the straw carbon have a well-developed specific surface area. The machine-made straw charcoal produced by the process has high quality and high adsorption capacity, can be used for the production of firecrackers and fireworks, also can be widely used for the water purification for drinking water, alcoholic beverages and various cooling beverages and the advanced purification of industrial waste sewage and domestic sewage, and is also suitable for the purification of indoor air.

The invention discloses an automatic paper scrap-pressing device for combined fireworks, which comprises a fireworks external cylinder positioning mechanism and a circular paper scrap-pressing mechanism arranged on a rack. The automatic paper scrap-pressing device can automatically, quickly, conveniently and synchronously finish the processing and filling for the circular paper scrap of one product and can finish the processing for at least eight products per minute, so that the production efficiency is greatly increased. Since human factors are removed, the phenomenon of missing packaging or uneven circular paper scrap is avoided, and the product quality is ensured.

An actuator connected to receive high pressure gas from a pyrotechnic initiator incorporates a primary piston and a secondary piston mounted for limited movement along cylindrical bores in a housing; the pistons are held in a fixed inactive position and are restrained from movement within the housing by a tension screw connected to the primary piston and the housing. The tension screw incorporates a calibrated reduced diameter section that ruptures at a predetermined applied force to permit the pistons to move within the housing. Gaseous products resulting from initiation are trapped and maintained within the housing by an expandable bellows secured internally of the housing at one end of the bellows and secured at the opposite end of the bellows to the interior of the housing. A calibration / test port extends through the housing into the bore externally of the bellows to permit calibration and testing of the actuator without initiating the pyrotechnic device.

A launching device for launching multiple firework shells skyward th a base having foldable wings hinged to a central body. The foldable wings fold downward and reduce the size of the base for the purpose of providing a low-profile profile shipping configuration. The base has a connector, such as an engagement cylinder, that matingly engages an elongated or tubular member that is sized and shaped to receive aerial fireworks. The engagement cylinder provides either a male or female engagement with the tubular member. An adapter is provided to adjust the diameter of the connector to fit tubes of different diameter.

An ignition system for 1.4 g or consumer fireworks includes a base to which the fireworks are secured to prevent tipping thereof during shooting. The base is secured to the ground or other surface for stability. Preferably, the base is part of a container which encloses the fireworks in a pre-mounted fashion to protect the fireworks from the elements. Electrical matches or E-matches are used to ignite the fireworks and are controlled by an electrical control at a safe distance from the fireworks during the firing thereof.

The present invention is directed to a lead-free, nontoxic pyrotechnic composition, comprising: 30-80 wt % of bismuth subnitrate; and 10-50 wt % of a fuel, wherein all weight percents are based on the total weight of the composition. The present invention is also directed to a lead-free, nontoxic priming composition, comprising: 20-80 wt % of the above nontoxic pyrotechnic composition; 20-50 wt % of an initiator explosive; and 2-10 wt % of a sensitizer, wherein all weight percents are based on the total weight of the composition.

The invention discloses a method for manufacturing preset type display image and text fireworks. The method adopts an image and text firework carrier and a preset image and text displaying method. The image and text firework carrier is provided with a lift-off rocket, a dot matrix structure body and image and text displaying fireworks, wherein the lift-off rocket is connected with the dot matrix structure body, and the image and text displaying fireworks are filled in the dot matrix structure body. The preset image and text displaying method adopts a preset image color dot matrix diagram and a method for filling the image and text displaying fireworks, wherein the method for filling the image and text displaying fireworks includes a double-color and inverse-color filling method, a method for filling vacancies of non image regions and other heavy gunpowder isolating blocks and a color programme filling method. The method is simple in implementation, images and texts mostly required by people in daily life are pre-manufactured into corresponding image and text fireworks, users can freely select and optionally combine the fireworks to dress up the sky to be bright and colorful and directly express affection, and the preset type image and text fireworks are suitable for large-scale production, are low in manufacture cost and are suitable for wide application and popularization.

The invention discloses microporous smokeless firework explosive and a preparation method thereof. The preparation method comprises the following steps of: dissolving scrapped military smokeless explosive containing nitrated cellulose into a solvent to form macromolecular sol, emulsifying and foaming the sol to form paint emulsion, dispersing the paint emulsion into a non-solvent medium under stirring action to form balls, then driving the solvent, separating the materials, and drying the materials to obtain explosive particles with microporous structures on the inner part for emitting and dissecting fireworks. The smokeless firework explosive has high fire transfer rate and adjustable stacking density and particle size because of a large amount of microporous structures on the inner part, the appearance of the microporous smokeless firework explosive is approximately spherical or oblate, the particle size is controllable, the stacking density is 0.05 to 0.4 g / cm<3>, and the aperture of the inner part is 0.01 to 500 microns in variety.

The invention discloses a multicolor cold-firework reagent and a manufacturing method of cold fireworks. The multicolor cold-firework reagent comprises the following components in percentage by weight: 20-30% of ammonium perchlorate, 20-30% of nitrocellulose, 30-35% of silver titanium powder, 15-20% of photoluminescence material and 5-10% of fluororubber. The manufacturing method of the spraying-decoration cold fireworks comprises the following steps: fuel granulation, reagent mixing, charging and packaging. The manufacturing method of the high-waterfall display shell cold fireworks comprises the following steps: luminescent material granulation, fuel mixing, detonating agent manufacturing and display shell filling. The cold fireworks disclosed by the invention can have multiple bright colors, thereby greatly enhancing the ornamental value of the cold fireworks.

A longitudinal launcher tube made substantially of polyurethane resin or plastic having a rear end closed by a transverse rear wall and an open front end. The invention allows a projectile to be housed in the tube and adapted to slide longitudinally inside it towards the front, to be expelled from it via the front end tube, means for defining with the tube and projectile a rear gas expansion chamber immediately to the rear of the projectile, and an impulse cartridge adapted on command to develop gas pressure in the rear chamber to cause the expulsion of the projectile via the front end of the tube. The apparatus is a pyrotechnic device for rigidly supporting fireworks such as mortar-type, rocket-type, projectile-type, and other pyrotechnic devices so that the launcher device is reusable, whereby the launcher substantially retains its integrity after each launch to minimize harm caused to persons and the environment.

A system and method for enabling computer users to design and simulate a fireworks show is disclosed. A particular embodiment includes storing firework data in a database, the firework data including firework specification data including parameters corresponding to attributes of a particular firework; using a processor to automatically construct in a user interface a visual firework simulation from the firework data, the visual firework simulation including visual elements that are also part of the user interface, the visual firework simulation depicting a sky field representing a location of a fireworks show and the spatial location of visual elements therein, the visual elements including fireworks, launch positions, and trajectories being simulated by the visual firework using the user interface to directly manipulate the visual elements of the visual firework simulation, including dragging the visual elements in the sky field of the visual firework simulation: using the processor to automatically adjust the firework data according to the user's direct manipulation of the visual elements; and using the processor to automatically update the visual firework simulation and the visual elements in real time in response to the user's direct manipulation of the visual elements and the adjustment of the firework data.

The invention discloses a compression molding fireworks outer cylinder, a marble shell and a preparation method thereof, comprising the components of plant fiber, binder, filler, excipient and dryer. The fireworks outer cylinder and marble shell is made after the components are prepared and processed compression molding. The lead-through is just needed to be installed by the fireworks manufacturers, and the fireworks cylinder can be made by using the technical proposal. The process is simple, the procedures are few and the production efficiency is high. The utilization rate of the raw materials can be reached to 100 percent. The plastics can be totally banished and the effect of environmental protection is good. The products have standard specification and good pressure resistance. The distortion and bending phenomena can not be generated, and the display quality of the fireworks is greatly improved which ensures the safety. The shape, size and intensity of the fireworks cylinder and marble shell can be flexibly and conveniently changed as required. The preparation method also can be used for the production and development of the special shaped shell or package in the fireworks industry.

The invention discloses an automatic pyrotechnic composition charging system. Through reasonable layout of the procedures of the pyrotechnic composition charging process according to the characteristics of automation and mechanization, and in combination with the manufacturing practice of initiators and pyrotechnics, the design method of the automatic pyrotechnic composition charging system is explored out, the utility system composition with sound functions is planned, a series of single procedure equipment and test method and equipment suitable for automatic pyrotechnic composition charging process are developed, and the single procedure mechanical equipment is assembled to form an automatic flow production line. The burdensome manual work is replaced by automatic production, so as to greatly improve the safety and efficiency of fireworks production, and highly promote the updating and upgrading of the traditional fireworks industry.

A system and method are disclosed for controlling the launch and burst of pyrotechnic projectiles in a pyrotechnic, or “fireworks”, display.

The invention relates to firework effect sparkle beads and a manufacturing method thereof, and specifically relates to sparkle beads producing a cardamon green firework effect, and a manufacturing method thereof. The sparkle beads comprises main components of, by weight: 50-60 parts of barium nitrate, 6-8 parts of phenolic resin, 18-22 parts of aluminum-magnesium alloy, 6-8 parts of polrvinyl chloride, 13-17 parts of potassium perchlorate, and 1-3 parts of cryolite. The manufacturing method of the sparkle beads comprises the steps of: agent weighing; raw material crushing; mixing and stirring; molding; drying; and packaging. With the sparkle beads provided by the invention, a novel firework color variety is provided. A light duration is 3.5 seconds, and a sparkle bead combustion residue rate is lower than 0.3%.

The invention discloses a firework structure comprising an outer box in which ten rows of firework setoff barrels are arranged. A firework main ignition lead is arranged outside the outer box. Each firework setoff barrel consists of an outer barrel and an inner barrel arranged inside the outer barrel. The bottom of the outer barrels is provided with bottom mud, a black powder layer is arranged on the bottom mud, one end of the black powder layer is connected to and arranged at a setoff barrel ignition lead, and the other end is provided with a fire transfer lead. A perforated paper board is arranged on the black powder layer. The inner barrels are arranged on the perforated paper board. A tail powder layer is arranged at the bottom of the inner barrels and above the perforated paper board. A mud isolation layer is arranged on the tail powder layer. Exploding powder is arranged inside the inner barrels and above the mud isolation layer. Multiple bright beads are uniformly arranged in the exploding powder. A fire passing lead is vertically arranged inside each inner barrel, and the fire passing lead is connected with the exploding powder and the black powder layer. The firework structure has the advantages of safe setoff and reasonable arrangement.

The invention discloses an automatic rowing device of combined fireworks. The device comprises a discharging hopper which stores a plurality of firework cylinders, a first discharging control mechanism which enables the firework cylinders to drop in a one-by-one mode is arranged in an outlet in the discharging hopper, a material receiving disc which bears the dropped firework cylinders is arranged below the discharging hopper, a firework cylinder positioning mechanism is arranged on the material receiving disc, bears the dropped firework cylinders, and enables the dropped firework cylinders to be positioned according to the dropping position, the material receiving disc is provided with a displacement driving mechanism which drives the material receiving disc to conduct linear reciprocating translation, and all the working mechanisms conduct coordination work according to the working procedure under the action of a control system. The device has the advantages that cylinder rowing is convenient, accurate and flexible, and is not limited by the specifications of the firework cylinders, the cylinder rowing requirement of up-right paper cylinders with all the different gaps and specifications can be met, the device is stable in working, manual intervention is not required, and the production efficiency is high.

A mixed 'firecracker-fireworks' having the effects of firecracker and fireworks and generating 5 colors is prepared from potassium perchlorate, Mg-Al alloy powder, strontium carbonate, phenolic resin, polyvinyl chloride, strontium nitrate, sulfur, glutinous rice flour, etc. Its advantages are simple preparing process, dual effect, multiple color and long perdurability.

The smokeless gun propellant for fireworks consists of retired gunpowder 70-90 wt%, oxidant 5-10 wt% and inflammable 1-5 wt%. The oxidant is nitrate, chlorate or perchlorate; and the inflammable is carbon powder, aluminum powder, magnesium powder or aluminum-magnesium alloy powder. The preparation process includes crushing, dewatering, mixing, dispelling water and drying. The smokeless gun propellant is used in ground fireworks product to replace black powder as propellant agent, and this can reduce smoke produced during firing fireworks greatly, reduce dust pollution to environment and lower production cost. The present invention paves one way of utilizing retired gun powder resource in large scale.