CN102192684B - Display shell with modular open-bud charging structure and preparation method thereof - Google Patents
Display shell with modular open-bud charging structure and preparation method thereof Download PDFInfo
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- CN102192684B CN102192684B CN 201110073838 CN201110073838A CN102192684B CN 102192684 B CN102192684 B CN 102192684B CN 201110073838 CN201110073838 CN 201110073838 CN 201110073838 A CN201110073838 A CN 201110073838A CN 102192684 B CN102192684 B CN 102192684B
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Abstract
The invention discloses a display shell with a modular open-bud charging structure. The display shell comprises an outer shell, a delay ignition harness, bright beads and open-bud powder blocks, wherein the outer shell, the delay ignition harness and the bright beads can be made of traditional materials and have traditional structures; and the open-bud powder blocks are combined and charged in a ball shell, and a hollow structure is formed in the center of the open-bud charging structure. A preparation method of the display shell with the modular open-bud charging structure comprises the following steps of: arranging bright beads to the inner side of the ball shell of the display shell; directly charging the prepared modular powder blocks into one semi-ball shell; charging powder into the other semi-ball shell with the same powder charging sequence; and buckling the two semi-modular blocks with each other, and applying paper to the surface of the shell and drying. The display shell structure and the preparation method contribute to overall ignition, the problem of insufficient combustion or powder residue when particular microporous firework powder is taken as open-bud powder can be completely solved, and the enjoyment effect and environmentally friendly performance are improved. Furthermore, the operation of the display shell production process is simplified, and the safety of manufacture process and storage and transportation process of firework products is improved.
Description
Technical field
The invention belongs to fireworks display and flick luxuriant technology, particularly a kind of module melts display shell of luxuriant charge constitution and preparation method thereof.
Background technology
At present, the smoke less fire cracker medicine becomes fireworks with black powder or the desirable substitute of other impulse charges owing to have environmental protection, use safety, obtains the great attention of fireworks and firecrackers industry.But, adopt the smoke less fire cracker medicine with micro-pore structure as opening luxuriant medicine, it is not ideal to open luxuriant effect, subject matter is at ignition performance not ideal enough, the rate of burning till of bright pearl is lower under the inappropriate situation of charging condition, and the blast diameter is less than normal, does not reach the result of use that tradition is opened luxuriant medicine.In the little pore fireworks of graininess medicine preparation process, can't thoroughly overcome the above problems by the method for adding sensitizer or ignition performance reinforcing agent.In addition, adopt granular microporous smokeless firework explosive directly to carry out display shell when making as opening luxuriant medicine, every all needs to carry out in advance weighing, particle be easy to generate static and adhere to cartridge case of firework around, brought some difficulties to powder charge, these problems have been brought the potential safety hazard of display shell production process.In addition, adopting the powder charge of graininess fireworks medicine the medicine grain to occur through regular meeting and setting off the residual problem of medicine grain takes place in the process, also is disadvantageous to safety and the environmental protection of the process of setting off.
Summary of the invention
The object of the present invention is to provide and a kind ofly have module and melt display shell of luxuriant charge constitution and preparation method thereof.
The technical solution that realizes the object of the invention is: a kind of module melts the display shell of luxuriant charge constitution, comprise shell, time-delay fuse, bright pearl, open luxuriant medicine piece, be followed successively by shell, bright pearl from outside to inside, open luxuriant medicine piece, it is described that to open luxuriant medicine piece be modular construction, its integral body is hollow-core construction, described hollow-core construction is to be combined to form by the luxuriant medicine piece of opening after the moulding, and time-delay fuse one end is positioned at enclosure, and the other end is in housing exterior.
A kind ofly prepare the method that module melts the display shell of luxuriant charge constitution, may further comprise the steps:
Step 5, process oven dry obtain complete display shell.
Another module melts the display shell of luxuriant charge constitution, comprise shell, time-delay fuse, two-layer bright pearl, two-layerly open luxuriant medicine piece, being followed successively by shell, the bright pearl of ground floor, ground floor from outside to inside opens luxuriant medicine piece, the bright pearl of the second layer, the second layer and opens luxuriant medicine piece, it is above-mentioned that two-layer to open luxuriant medicine piece be modular construction, it is hollow-core construction that the second layer is opened the integral body that luxuriant medicine piece is combined into, this hollow-core construction is to be combined to form by the luxuriant medicine piece of opening after the moulding, time-delay fuse one end is positioned at enclosure, and the other end is in housing exterior.
Another preparation module melts the method for the display shell of luxuriant charge constitution, may further comprise the steps:
Step a, the bright pearl of ground floor is aligned to the inboard of display shell one half-shells;
Step b, ground floor is opened the inboard that luxuriant medicine piece directly is loaded into the bright pearl of ground floor;
Step c, the bright pearl of the second layer is loaded into the inboard that ground floor is opened luxuriant medicine piece;
Steps d, the second layer is opened the inboard that luxuriant medicine piece is loaded into the bright pearl of the second layer;
Step e, utilize second half shell of above-mentioned same method filling band fuse;
Step f, with two hemisphere make-ups, adopt to stick with paste the ball method with the uniform papering of case surface;
Step g, process oven dry obtain complete display shell.
Module of the present invention melts display shell of luxuriant charge constitution and preparation method thereof compared with prior art: (1) is conducive to area ignition, improves fire transmission rate, can thoroughly solve out the insufficient or residual medicine problem of luxuriant medicine burning; (2) improved the rate of burning till of bright pearl, increased considerably and opened luxuriant diameter, can reach with tradition and open the identical effect of luxuriant medicine; (3) reduced significantly simultaneously and opened the smog that produces in the luxuriant process, improved the appreciation effect that display shell is seted off; (4) adopt cordite, than more environmental protection of black powder; (5) avoid intergranular mechanical friction effect, improved the process safety of fireworks product manufacture process; (6) adopt the modularization powder charge, opening luxuriant medicine piece inner is hollow-core construction, convenient degree of packing and the explosive payload of regulating; (7) adopt the modularization powder charge, simplified the operation of opening luxuriant powder charge, make that fireworks finished product stability and uniformity are better.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Description of drawings
Fig. 1 melts the schematic diagram of the display shell of luxuriant charge constitution for module of the present invention.
Fig. 2 melts the schematic diagram of the display shell of luxuriant charge constitution for another module of the present invention.
Fig. 3 melts the schematic diagram of the display shell of luxuriant charge constitution for the third module of the present invention.
Fig. 4 is a kind of display shell schematic diagram that two-layer bright pearl and the two-layer module of opening luxuriant medicine piece melt luxuriant charge constitution that has of the present invention.
The specific embodiment
In conjunction with Fig. 1, Fig. 2 and Fig. 3, a kind of module melts the display shell of luxuriant charge constitution, comprise shell 1, time-delay fuse 2, bright pearl 3, open luxuriant medicine piece 4, be followed successively by shell 1, bright pearl 3 from outside to inside, open luxuriant medicine piece 4, the described luxuriant medicine piece 4 of opening is modular construction, and its integral body is hollow-core construction, and described hollow-core construction is to be combined to form by the luxuriant medicine piece 4 of opening after the moulding, time-delay fuse 2 one ends are positioned at shell 1 inside, and the other end is in shell 1 outside.Time-delay fuse 2 is positioned at an end of shell 1 inside and is opening the hollow-core construction inside that luxuriant medicine piece 4 forms.
A kind ofly prepare the method that above-mentioned module melts the display shell of luxuriant charge constitution, may further comprise the steps:
Step 5, process oven dry obtain complete display shell.
In conjunction with Fig. 4, a kind of module melts the display shell of luxuriant charge constitution, comprise shell 1, time-delay fuse 2, two-layer bright pearl, two-layerly open luxuriant medicine piece, being followed successively by shell 1, the bright pearl of ground floor, ground floor from outside to inside opens luxuriant medicine piece, the bright pearl of the second layer, the second layer and opens luxuriant medicine piece, it is above-mentioned that two-layer to open luxuriant medicine piece be modular construction, it is hollow-core construction that the second layer is opened the integral body that luxuriant medicine piece is combined into, this hollow-core construction is to be combined to form by the luxuriant medicine piece of opening after the moulding, time-delay fuse 2 one ends are positioned at shell 1 inside, and the other end is in shell 1 outside.Time-delay fuse 2 is positioned at an end of shell 1 inside and is opening the hollow-core construction inside that luxuriant medicine piece 4 forms.
A kind ofly prepare the method that above-mentioned module melts the display shell of luxuriant charge constitution, may further comprise the steps:
Step a, the bright pearl of ground floor is aligned to the inboard of display shell one half-shells 1;
Step b, ground floor is opened the inboard that luxuriant medicine piece directly is loaded into the bright pearl of ground floor;
Step c, the bright pearl of the second layer is loaded into the inboard that ground floor is opened luxuriant medicine piece;
Steps d, the second layer is opened the inboard that luxuriant medicine piece is loaded into the bright pearl of the second layer;
Step e, utilize second half shell of above-mentioned same method filling band fuse;
Step f, with two hemisphere make-ups, adopt to stick with paste the ball method with shell 1 surface papering uniformly;
Step g, process oven dry obtain complete display shell.
It is above-mentioned that to open luxuriant medicine be modular block medicine body, be called for short and open luxuriant medicine piece, composition contains compositions such as nitrocotton, organic bond, ignition performance reinforcing agent, the described constituent mass percent nitrocotton of opening luxuriant medicine piece is that 50-99%, stabilization agent are that 0.3-2.0%, plasticizer are that 0-30%, ignition performance reinforcing agent are 2-20%, organic bond 0.2-10%; Described stabilization agent is a kind of of diphenylamines, 2-nitrodiphenylamine, centralite; Described plasticizer is one or more the mixture in nitroglycerine, dinitrotoluene (DNT), dibutyl phthalate, the camphor; Described ignition performance reinforcing agent is one or more the mixture in sodium nitrate, potassium nitrate, barium nitrate, strontium nitrate, sodium perchlorate, potassium hyperchlorate, the carbon granules.The organic bond that is used for the little pore fireworks of bonding graininess medicine is the aqueous solution of water-soluble binder, the aqueous solution of starch adhesives, the colloidal sol that contains nitrocotton or emulsion, and total consumption that organic bond calculates by dry measure is out the 0.2-10% of luxuriant medicine piece quality.Open luxuriant medicine piece inside and have a large amount of micro-pores, profile is the hemisphere housing, and hollow-core construction is left at medicine piece center.Opening luxuriant medicine piece fits tightly with the display shell housing that bright pearl is housed; Flick luxuriant effect according to fireworks display, open luxuriant medicine piece and also can make other shapes, as cylinder, square, cuboid, regular octahedron etc.
The preparation method who opens luxuriant medicine piece is, at first according to the degree of packing requirement, that selects different densities has the little pore fireworks of a graininess medicine, and by organic bond with the bonding one-tenth blocks of solid of smoke less fire cracker medicine particle; According to an igniting property requirement, can in particle bonding forming process, sneak into dissimilar and ignition performance reinforcing agent consumption; By compression molding, dry processing at last and obtain out luxuriant medicine piece then.Composition of opening luxuriant medicine piece and preparation method thereof is protected in the patent " display shell melts luxuriant medicine and preparation method thereof with module " of application on the same day.
For enforcement of the present invention is described better, the elaboration of giving an example below, these processes and process conditions do not represent the whole of invention.So long as realize that by the bonding module principle of particle the process that improves fire transmission rate and improve an igniting property all can be used, without prejudice to technical scheme of the present invention.
Embodiment 1:
In conjunction with Fig. 1, selecting 3 cun display shells for use is example, use the modularization fireworks display to flick luxuriant medicine piece conduct and open luxuriant medicine, and outer spherical shell diameter 76mm, thickness is 3mm, bright pearl diameter 10mm.
The useless gunpowder of single base that employing contains nitrocotton 97.0%, diphenylamines (stabilization agent) 1.0% prepares the little pore fireworks of graininess medicine, the useless gunpowder of single base is no more than 3mm through preliminary broken control particle diameter, the wet medicine grain of band water is joined in the former, add 10 times under the stirring to the ethyl acetate solvent of drug grain quality, stirring and dissolving 30-60min under 45 ℃ of-50 ℃ of temperature adds the aqueous solution of 0.5 % potassium nitrate then continuously in the system; Under stirring, carry out the emulsion foam operation, in this step, continue to add the aqueous solution of 0.5 % potassium nitrate, the amount of the potassium nitrate aqueous solution that adds is 6 times of drug grain quality, under 50-60 ℃ of temperature, continue to stir 30min～60min then, when system temperature is adjusted to 65 ℃-68 ℃, 6 times of aqueous solution that contain dispersant and 0.5 % potassium nitrate to the bulk drug quality are joined disperse balling-up in the system, gelatin is as dispersant, and the dispersant addition is 0.5% of water gross mass.Continue to keep 65 ℃-68 ℃ of temperature, and under the speed of agitator of 300-350rpm, disperseed 30 minutes.Then, progressively heating up steams solvent to come lentamente, continues to stir 10 minutes after temperature is raised to 85 ℃, and the medicine grain is separated with mother liquor.The mother liquid recycling of separating when moulding next time as decentralized medium.The medicine grain of separating, at room temperature dry and in safe baking oven 50 ℃ of dryings 24 hours, the bulk density that obtains the little pore fireworks of graininess medicine is 0.25g.cm
-3, particle size range is at 0.1mm-5.0mm, and most of particle grain size concentrates on 0.5mm-2.0mm, and medicine grain surface and inside have hole, and the pore diameter range of hole is the 0.01-500 micron.
Adopt 107 glue commonly used as organic adhesive with the block medicine of the bonding one-tenth of the little pore fireworks of graininess medicine.Take by weighing the little pore fireworks of the graininess medicine after the 200g oven dry, add solid content and be 7.5% 107 glue 40g, the particle diameter of adding 10g again is less than 200 microns potassium nitrate powder
,Three kinds of materials are mixed together evenly, adopt shaped by fluid pressure equipment and columnar mould that material is pressed into the hemisphere shape that diameter is 50mm then, medicine piece after the moulding was dried 24 hours down at 50 ℃, obtain module and melt luxuriant medicine sample, the average quality of each hemispherical medicine piece is 9.8g.
The medicine piece that makes is opened luxuriant powder charge and seted off out the bud test at the display shell of external diameter 76mm.The inner surface of bright pearl 40g to two lobe housings of packing into earlier during powder charge, reinstall hemispherical and open luxuriant medicine module, to open luxuriant medicine with the extension fuse position of half housing of fuse therein and cut out a part, to guarantee rational gap, total luxuriant dose of opening is 18g, keeps powder charge to finish the bright pearl in back and opens the equal non-loosening phenomenon of luxuriant medicine.At last, stick with paste 9 layers of paper in surface of shell method routinely, open the bud test after the oven dry.The luxuriant diameter of opening after lighting is about 50 meters, and bright pearl is all lighted, and does not have residual medicine, and video observation shows out bud moment amount of smoke seldom.
As a comparison, the powder charge of the little pore fireworks of employing graininess medicine is carried out powder charge according to the loading method of routine, and explosive payload is 18g, open about 35 meters of luxuriant diameter, after opening bud a large amount of not burnings residual medicine is completely arranged, residual medicine accounts for the 20-30% of powder charge total amount, and the rate of burning till of bright pearl is about 50%.
As a comparison, adopt tradition to contain black powder and open luxuriant medicine and carry out powder charge, the explosive payload of opening luxuriant medicine is 30g, similarly adorns bright pearl 40 grams, open about 50 meters of luxuriant diameter, opening bud has a large amount of smog a moment, does not have residual medicine substantially, but the rice husk inserts has residual in a large number, and the rate of burning till of bright pearl is 100%, and amount of smoke is very big.
Embodiment 2:
Adopt nitrocotton content be 99% and diphenylamines (stabilization agent) content be 0.5% the little pore fireworks of feedstock production graininess medicine.Add 10 times under the stirring to the ethyl acetate solvent of drug grain quality, stirring and dissolving 30-60min under 45 ℃ of-50 ℃ of temperature, the aqueous solution of adding 0.5 % potassium nitrate in the system continuously then, potassium nitrate is as sensitizer or ignition performance reinforcing agent; Under stirring, carry out the emulsion foam operation, in this step, continue to add the aqueous solution of 0.5 % potassium nitrate, the amount of the potassium nitrate aqueous solution that adds is 6 times of drug grain quality, under 50-60 ℃ of temperature, continue to stir 30min～60min then, when system temperature is adjusted to 65 ℃-68 ℃, 6 times of aqueous solution that contain dispersant and 0.5 % potassium nitrate to the bulk drug quality are joined disperse balling-up in the system, gelatin is as dispersant, and the dispersant addition is 0.5% of water gross mass.Continue to keep 65 ℃-68 ℃ of temperature, and under the speed of agitator of 300-350rpm, disperseed 30 minutes.Then, progressively heating up steams solvent to come lentamente, continues to stir 10 minutes after temperature is raised to 85 ℃, and the medicine grain is separated with mother liquor.The medicine grain of separating, at room temperature dry and in safe baking oven 50 ℃ of dryings 24 hours, the bulk density that obtains the little pore fireworks of graininess medicine is 0.26g.cm
-3, particle size range is at 0.1mm-5.0mm, and most of particle grain size concentrates on 0.5mm-2.0mm, and medicine grain surface and inside have hole, and the pore diameter range of hole is the 0.01-500 micron.
Carrying out using starch paste instead as organic bond when module melts luxuriant medicine moulding.Take by weighing the medicine grain after 200g is dried, the adding solid content is 20% starch paste 2.0g, add 20g water again, mixed 10 minutes earlier, the particle diameter of adding 15g again continues to mix 30 minutes less than 200 microns potassium nitrate powder again, adopts shaped by fluid pressure equipment and columnar mould that material is pressed into the hemisphere shape that diameter is 50mm then, then the medicine piece after the moulding was dried 24 hours down at 50 ℃, obtain module and melt luxuriant medicine sample.
The medicine piece that makes is opened luxuriant powder charge and seted off out the bud test at the display shell of external diameter 76mm.The inner surface of bright pearl 40g to two lobe housings of packing into earlier during powder charge, reinstall hemispherical and open luxuriant medicine module, to open luxuriant medicine with the extension fuse position of half housing of fuse therein and cut out a part, to guarantee rational gap, total luxuriant dose of opening is 18g, keeps powder charge to finish the bright pearl in back and opens the equal non-loosening phenomenon of luxuriant medicine.At last, stick with paste 9 layers of paper in surface of shell method routinely, open the bud test after the oven dry.The luxuriant diameter of opening after lighting is about 50 meters, and bright pearl is all lighted, and does not have residual medicine, and video observation shows out bud moment amount of smoke seldom.
As a comparison, the powder charge of the little pore fireworks of employing graininess medicine is carried out powder charge according to the loading method of routine, and explosive payload is 18g, open about 40 meters of luxuriant diameter, after opening bud a large amount of not burnings residual medicine is completely arranged, residual medicine accounts for the 20-30% of powder charge total amount, and the rate of burning till of bright pearl is about 50%.
Embodiment 3:
Employing contains the retired double-base powder of nitrocotton 65%, nitroglycerine (plasticizer) 30%, 2-nitrodiphenylamine (stabilization agent) 2.0% as the little pore fireworks of feedstock production graininess medicine.Under stirring, add 8 times to the ethyl acetate solvent of drug grain quality, stirring and dissolving 30-60min under 45 ℃ of-50 ℃ of temperature, the aqueous solution of adding 0.1 % potassium nitrate in the system continuously then, potassium nitrate is as the ignition performance reinforcing agent; Under stirring, carry out the emulsion foam operation, in this step, continue to add the aqueous solution of 0.1 % potassium nitrate, the amount of the potassium nitrate aqueous solution that adds is 6 times of drug grain quality, under 50-60 ℃ of temperature, continue to stir 30min～60min then, when system temperature is adjusted to 65 ℃-68 ℃, 6 times of aqueous solution that contain dispersant and 0.1 % potassium nitrate to the bulk drug quality are joined disperse balling-up in the system, adopt gelatine as dispersant, the dispersant addition is 0.5% of water gross mass.Continue to keep 65 ℃-68 ℃ of temperature, and disperseed 30 minutes under the speed of agitator of 300-350rpm, the micelle that contains nitrocotton progressively is dispersed into spherical drop uniformly.Then, progressively heating up steams solvent to come lentamente, continues to stir 10 minutes after temperature is raised to 85 ℃, and the medicine grain is separated with mother liquor.The medicine grain of separating, at room temperature dry and in safe baking oven 50 ℃ of dryings 24 hours, the bulk density of the little pore fireworks of the graininess that obtains medicine sample is 0.26g.cm
-3, particle size range is at 0.1mm-5.0mm, and most of particle grain size concentrates on 0.5mm-2.0mm, and medicine grain surface and inside have hole, and the pore diameter range of hole is the 0.01-500 micron.
Carrying out using starch paste instead as organic bond when module melts luxuriant medicine moulding.Take by weighing the medicine grain after 200g is dried, the adding solid content is 20% starch paste 30g, add 20g water again, mixed 10 minutes earlier, the particle diameter of adding 20g again continues to mix 30 minutes less than 200 microns potassium nitrate powder again, adopts shaped by fluid pressure equipment and columnar mould that material is pressed into the cylinder medicine piece that diameter is 10mm height 10mm then, then the medicine piece after the moulding was dried 24 hours down at 50 ℃, obtain module and melt luxuriant medicine sample.
The medicine piece that makes is opened luxuriant powder charge and seted off out the bud test at the display shell of external diameter 76mm.Bright pearl 40g pack during powder charge earlier into to the inner surface of two lobe housings, reinstall diameter 10mm cylindrical shape open luxuriant medicine module, total luxuriant dose of opening is 15g, keeps powder charge to finish the bright pearl in back and opens the equal non-loosening phenomenon of luxuriant medicine.At last, stick with paste 9 layers of paper in surface of shell method routinely, open the bud test after the oven dry.The luxuriant diameter of opening after lighting is about 40 meters, and bright pearl is all lighted, and does not have residual medicine, and video observation shows out bud moment amount of smoke seldom.
As a comparison, adopt the little pore fireworks of the graininess medicine powder charge of same process conditions and feedstock production, loading method according to routine carries out powder charge, explosive payload is 15g, open about 30 meters of luxuriant diameter, after opening bud a large amount of not burnings residual medicine is completely arranged, residual medicine accounts for 30% of powder charge total amount, and the rate of burning till of bright pearl is about 50%.
Embodiment 4:
In conjunction with Fig. 4, adopt technical process similar to Example 1 and raw material to make the display shell of modularization charge constitution.Change shape and display shell filling structure that module melts luxuriant medicine piece, open luxuriant medicine piece and make two kinds of different hemisphere hull shape medicine pieces of diameter, filling is in proper order, step a, the bright pearl of ground floor is aligned to the inboard of display shell one half-shells, again ground floor is opened the inboard that luxuriant medicine piece directly is loaded into the bright pearl of ground floor; The bright pearl of the second layer is loaded into the inboard that ground floor is opened luxuriant medicine piece; The second layer is opened the inboard that luxuriant medicine piece is loaded into the bright pearl of the second layer; Utilize above-mentioned same method to load the display shell of second half band fuse housing; With two hemisphere make-ups, adopt and stick with paste the ball method with the uniform papering of case surface, other conditions are with embodiment 1, and the fireworks display that test obtains flick luxuriant effect, and opening luxuriant diameter is about 50 meters, and bright pearl is all lighted, and does not have residual medicine.
Embodiment 5-8:
The display shell that adopts the technical process identical with embodiment 1 and raw material to make the modularization charge constitution.
Only change size (explosive payload) and time-delay fuse position that module melts luxuriant medicine moulding, other conditions are with embodiment 1, the performance of the module medicine that obtains and see the following form in the effect contrast that fireworks display flick the bud test.
| ? | Explosive payload/g | Open the hollow diameter/mm of luxuriant medicine piece | Time-delay fuse position | Bright pearl burns till rate/% | Open luxuriant diameter/m | Residual medicine situation |
| Embodiment 5 | 10 | 20 | Contact medicine piece | 95 | 40 | There is not residual medicine |
| Embodiment 6 | 10 | 20 | Insert the medicine interblock | 100 | 40 | There is not residual medicine |
| Embodiment 7 | 15 | 10 | Contact medicine piece | 98 | 50 | There is not residual medicine |
| Embodiment 8 | 15 | 10 | Hollow position | 100 | 50 | There is not residual medicine |
Embodiment 9:
Employing contains the material of nitrocotton 65%, nitroglycerine (plasticizer) 20%, dinitrotoluene (DNT) (plasticizer) 4%, dibutyl phthalate (plasticizer) 9%, 2-nitrodiphenylamine (stabilization agent) 1.0% as the little pore fireworks of feedstock production graininess medicine.Under stirring, add 8 times to the ethyl acetate solvent of drug grain quality, stirring and dissolving 30-60min under 45 ℃ of-50 ℃ of temperature, the aqueous solution of adding 5.0 % potassium nitrate in the system continuously then, potassium nitrate is as the ignition performance reinforcing agent; Under stirring, carry out the emulsion foam operation, in this step, continue to add the aqueous solution of 5.0 % potassium nitrate, the amount of the potassium nitrate aqueous solution that adds is 6 times of drug grain quality, under 50-60 ℃ of temperature, continue to stir 30min～60min then, when system temperature is adjusted to 65 ℃-68 ℃, 6 times of aqueous solution that contain dispersant and 5.0 % potassium nitrate to the bulk drug quality are joined disperse balling-up in the system, gelatin is as dispersant, and the dispersant addition is 0.5% of water gross mass.Continue to keep 65 ℃-68 ℃ of temperature, and disperseed 30 minutes under the speed of agitator of 300-350rpm, the micelle that contains nitrocotton progressively is dispersed into spherical drop uniformly.Then, progressively heating up steams solvent to come lentamente, continues to stir 10 minutes after temperature is raised to 85 ℃, and the medicine grain is separated with mother liquor.The medicine grain of separating, at room temperature dry and in safe baking oven 50 ℃ of dryings 24 hours, the bulk density that obtains the little pore fireworks of graininess medicine sample is 0.35g.cm
-3, particle size range is at 0.1mm-5.0mm, and most of particle grain size concentrates on 0.5mm-2.0mm, and medicine grain surface and inside have hole, and the pore diameter range of hole is the 0.01-500 micron.
Carry out module when melting luxuriant medicine moulding with 107 glue as organic bond, the solid content of paste is 20%.Take by weighing the medicine grain after 200g is dried, the adding solid content is 7.5% 107 glue 60g, mixed 10 minutes earlier, add the potassium hyperchlorate powder of 30g again, continue again to mix 30 minutes, adopt shaped by fluid pressure equipment and columnar mould that material is pressed into the cylinder medicine piece that diameter is 10mm height 10mm then, then the medicine piece after the moulding was dried 24 hours down at 50 ℃, obtain module and melt luxuriant medicine sample.
The medicine piece that makes is opened luxuriant powder charge and seted off out the bud test at the display shell of external diameter 76mm.Bright pearl 40g pack during powder charge earlier into to the inner surface of two lobe housings, reinstall diameter 10mm cylindrical shape open luxuriant medicine module, total luxuriant dose of opening is 15g, keeps powder charge to finish the bright pearl in back and opens the equal non-loosening phenomenon of luxuriant medicine.At last, stick with paste 9 layers of paper in surface of shell method routinely, open the bud test after the oven dry.The luxuriant diameter of opening after lighting is about 35 meters, and bright pearl is all lighted, and does not have residual medicine, and video observation shows out bud moment amount of smoke seldom.
Embodiment 10-17:
Adopt technical process and the raw material identical with embodiment 1 to make the little pore fireworks of graininess medicine.
It is also identical with embodiment 1 that fireworks display flick luxuriant powder charge process, only changes module and melt luxuriant medicine forming process used binding agent kind and consumption, and other conditions are with embodiment 1, the performance of the module medicine that obtains and see the following form in the effect contrast that fireworks display flick the bud test.
Embodiment 18-27:
Adopt technical process and the raw material identical with embodiment 1 to make the little pore fireworks of graininess medicine.
It is also identical with embodiment 1 that fireworks display flick luxuriant powder charge process, only changes used ignition performance reinforcing agent kind and the consumption of forming process that module melts luxuriant medicine, and the effect contrast that the fireworks display of preparation flick the bud test sees the following form.
| ? | Ignition performance reinforcing agent kind | Ignition performance reinforcing agent addition | Open luxuriant diameter | Bright pearl burns till rate |
| ? | ? | g | m | % |
| Embodiment 18 | Potassium hyperchlorate | 20 | 50 | 100 |
| Embodiment 19 | Potassium nitrate | 40 | 50 | 100 |
| Embodiment 20 | Strontium nitrate | 20 | 40 | 68 |
| Embodiment 21 | Barium nitrate | 20 | 40 | 60 |
| Embodiment 22 | Sodium nitrate | 20 | 50 | 87 |
| Embodiment 23 | Potassium hyperchlorate/strontium nitrate 1:1 mixes | 4.0 | 50 | 95 |
| Embodiment 24 | Potassium hyperchlorate/potassium nitrate 1:1 mixes | 20 | 50 | 100 |
| Embodiment 25 | Potassium hyperchlorate/activated carbon granule 1:1 mixes | 20 | 50 | 100 |
| Embodiment 26 | Potassium nitrate/coal particles 1:1 mixes | 20 | 50 | 100 |
| Embodiment 27 | Do not use | 0 | 30 | 40 |
From embodiment as can be seen, adopted the module behind the little pore fireworks of the graininess medicine bonding forming, carried out fireworks display and flick luxuriant powder charge, obtained significant effect, increase substantially combustion process flame transmission speed, improved the igniting uniformity of particle, thereby solved medicine grain residue problem.General effect has surpassed the black powder type and has opened the luxuriant effect of opening of luxuriant medicine or the direct powder charge of graininess little pore fireworks medicine.
Claims (6)
1. a module melts the display shell of luxuriant charge constitution, it is characterized in that, comprise shell [1], time-delay fuse [2], bright pearl [3], open luxuriant medicine piece [4], be followed successively by shell [1], bright pearl [3] from outside to inside, open luxuriant medicine piece [4], the described luxuriant medicine piece [4] of opening is modular construction, and its integral body is hollow-core construction, and described hollow-core construction is to be combined to form by the luxuriant medicine piece [4] of opening after the moulding, time-delay fuse [2] one ends are positioned at shell [1] inside, and the other end is in shell [1] outside;
Open luxuriant medicine piece [4] composition and contain nitrocotton, organic bond, ignition performance reinforcing agent, the described constituent mass percent nitrocotton of opening luxuriant medicine piece is that 50-99%, stabilization agent are that 0.3-2.0%, plasticizer are that 0-30%, ignition performance reinforcing agent are 2-20%, organic bond 0.2-10%, the quality percentage amounts sum of above-mentioned substance is 100%; Described stabilization agent is a kind of of diphenylamines, 2-nitrodiphenylamine, centralite; Described plasticizer is one or more the mixture in nitroglycerine, dinitrotoluene (DNT), dibutyl phthalate, the camphor; Described ignition performance reinforcing agent is one or more the mixture in sodium nitrate, potassium nitrate, barium nitrate, strontium nitrate, sodium perchlorate, potassium hyperchlorate, the carbon granules; The organic bond that is used for the little pore fireworks of bonding graininess medicine is the aqueous solution of water-soluble binder, the aqueous solution of starch adhesives, the colloidal sol that contains nitrocotton or emulsion, and total consumption that organic bond calculates by dry measure is out the 0.2-10% of luxuriant medicine piece quality; Open luxuriant medicine piece inside and have a large amount of micro-pores, profile is the hemisphere housing.
2. module according to claim 1 melts the display shell of luxuriant charge constitution, it is characterized in that, time-delay fuse [2] is positioned at the inner end of shell [1] and is opening the hollow-core construction inside that luxuriant medicine piece [4] forms.
3. one kind prepares the method that the described module of claim 1 melts the display shell of luxuriant charge constitution, it is characterized in that, may further comprise the steps:
Step 1, bright pearl [3] is aligned to the inboard of display shell one half-shells [1];
Step 2, will open the inboard that luxuriant medicine piece [4] directly is loaded into bright pearl [3];
Step 3, utilize second half shell of above-mentioned same method filling band fuse;
Step 4, with two hemisphere make-ups, adopt to stick with paste the ball method with the papering uniformly of shell [1] surface;
Step 5, process oven dry obtain complete display shell.
4. a module melts the display shell of luxuriant charge constitution, it is characterized in that, comprise shell [1], time-delay fuse [2], two-layer bright pearl, two-layerly open luxuriant medicine piece, being followed successively by shell [1], the bright pearl of ground floor, ground floor from outside to inside opens luxuriant medicine piece, the bright pearl of the second layer, the second layer and opens luxuriant medicine piece, it is above-mentioned that two-layer to open luxuriant medicine piece be modular construction, it is hollow-core construction that the second layer is opened the integral body that luxuriant medicine piece is combined into, this hollow-core construction is to be combined to form by the luxuriant medicine piece of opening after the moulding, time-delay fuse [2] one ends are positioned at shell [1] inside, and the other end is in shell [1] outside;
Open luxuriant medicine piece [4] composition and contain nitrocotton, organic bond, ignition performance reinforcing agent, the described constituent mass percent nitrocotton of opening luxuriant medicine piece is that 50-99%, stabilization agent are that 0.3-2.0%, plasticizer are that 0-30%, ignition performance reinforcing agent are 2-20%, organic bond 0.2-10%, the quality percentage amounts sum of above-mentioned substance is 100%; Described stabilization agent is a kind of of diphenylamines, 2-nitrodiphenylamine, centralite; Described plasticizer is one or more the mixture in nitroglycerine, dinitrotoluene (DNT), dibutyl phthalate, the camphor; Described ignition performance reinforcing agent is one or more the mixture in sodium nitrate, potassium nitrate, barium nitrate, strontium nitrate, sodium perchlorate, potassium hyperchlorate, the carbon granules; The organic bond that is used for the little pore fireworks of bonding graininess medicine is the aqueous solution of water-soluble binder, the aqueous solution of starch adhesives, the colloidal sol that contains nitrocotton or emulsion, and total consumption that organic bond calculates by dry measure is out the 0.2-10% of luxuriant medicine piece quality; Open luxuriant medicine piece inside and have a large amount of micro-pores, profile is the hemisphere housing.
5. module according to claim 4 melts the display shell of luxuriant charge constitution, it is characterized in that, time-delay fuse [2] is positioned at the inner end of shell [1] and is opening the hollow-core construction inside that luxuriant medicine piece [4] forms.
6. one kind prepares the method that the described module of claim 4 melts luxuriant charge constitution display shell, it is characterized in that, may further comprise the steps:
Step a, the bright pearl of ground floor is aligned to the inboard of display shell one half-shells [1];
Step b, ground floor is opened the inboard that luxuriant medicine piece directly is loaded into the bright pearl of ground floor;
Step c, the bright pearl of the second layer is loaded into the inboard that ground floor is opened luxuriant medicine piece;
Steps d, the second layer is opened the inboard that luxuriant medicine piece is loaded into the bright pearl of the second layer;
Step e, utilize second half shell of above-mentioned same method filling band fuse;
Step f, with two hemisphere make-ups, adopt to stick with paste the ball method with the papering uniformly of shell [1] surface;
Step g, process oven dry obtain complete display shell.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110073838 CN102192684B (en) | 2011-03-25 | 2011-03-25 | Display shell with modular open-bud charging structure and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110073838 CN102192684B (en) | 2011-03-25 | 2011-03-25 | Display shell with modular open-bud charging structure and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102192684A CN102192684A (en) | 2011-09-21 |
| CN102192684B true CN102192684B (en) | 2013-08-07 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106767191B (en) * | 2017-01-17 | 2018-05-15 | 湖南省庆典烟花制造燃放有限公司 | A kind of body assembling equipment of display shell |
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| CN2175399Y (en) * | 1993-09-29 | 1994-08-24 | 湖南省浏阳市城郊出口花炮厂 | Fire-works of rocket like series |
| CN1488607A (en) * | 2003-08-15 | 2004-04-14 | 何继荣 | Colour open-bud powder ball and manufacturing method thereof |
| CN2903899Y (en) * | 2006-04-26 | 2007-05-23 | 永丰烟火制造企业股份有限公司 | Improved structure of high-altitude fireworks |
| CN201352089Y (en) * | 2008-07-08 | 2009-11-25 | 浏阳市东信烟花集团有限公司 | Single-shot firework with separated electrical igniter |
| CN101975532A (en) * | 2010-08-27 | 2011-02-16 | 康子纯 | Face-changed (deformed) display shell and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001221598A (en) * | 2000-02-09 | 2001-08-17 | Hosoya Fireworks Co Ltd | Device for fireworks |
| JP2001245940A (en) * | 2000-03-06 | 2001-09-11 | Hosoya Fireworks Co Ltd | Ashes scattering device and funeral method using the device |
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|---|---|---|---|---|
| CN2175399Y (en) * | 1993-09-29 | 1994-08-24 | 湖南省浏阳市城郊出口花炮厂 | Fire-works of rocket like series |
| CN1488607A (en) * | 2003-08-15 | 2004-04-14 | 何继荣 | Colour open-bud powder ball and manufacturing method thereof |
| CN2903899Y (en) * | 2006-04-26 | 2007-05-23 | 永丰烟火制造企业股份有限公司 | Improved structure of high-altitude fireworks |
| CN201352089Y (en) * | 2008-07-08 | 2009-11-25 | 浏阳市东信烟花集团有限公司 | Single-shot firework with separated electrical igniter |
| CN101975532A (en) * | 2010-08-27 | 2011-02-16 | 康子纯 | Face-changed (deformed) display shell and preparation method thereof |
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