CN108117468A - A kind of cold light firework powder column and its molded technique of spiral shell - Google Patents
A kind of cold light firework powder column and its molded technique of spiral shell Download PDFInfo
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- CN108117468A CN108117468A CN201810084163.0A CN201810084163A CN108117468A CN 108117468 A CN108117468 A CN 108117468A CN 201810084163 A CN201810084163 A CN 201810084163A CN 108117468 A CN108117468 A CN 108117468A
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- powder column
- cold light
- spiral shell
- nitrocotton
- light firework
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
- C06B33/12—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide the material being two or more oxygen-yielding compounds
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
- C06B21/0033—Shaping the mixture
- C06B21/0041—Shaping the mixture by compression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
- F42B4/30—Manufacture
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of cold light firework powder column and its molded techniques of spiral shell, belong to fireworks and firecrackers field.The technical problem to be solved in the present invention is to provide the new molded techniques of cold light firework powder column spiral shell that a kind of raw material is simple and easy to get, production is safer.The technique comprises the following steps：Nitrocotton containing watery wine, oxidant, titanium valve and function additive with the solvent for having dissolved stabilization agent are plasticized, material must be plasticized；Plasticizing material is compacted using screw compress machine, then by mold compression moulding, then through drying, cutting, drying, obtains cold light firework powder column finished product.The present invention directly use the nitrocotton containing watery wine as raw material, by adjusting each material ratio in plasticizing process, the nitrocotton containing watery wine is made to mix evenly with other raw material, is plasticized and expects more densely cross-linked, production process is safe and reliable；It is controllable to prepare gained powder column burning velocity, product quality stabilization.
Description
Technical field
The invention belongs to fireworks and firecrackers fields, and in particular to a kind of cold light firework powder column and its molded technique of spiral shell.
Background technology
Cold light firework, also known as cool flame fire, cold smoke flower, fountain etc., relied on when setting off itself medicament combustion jet generation sound,
Light, color, spark and branched spark form colourful firework effect and design, and ornamental value is strong, is widely used in stage
In the collective activities such as performance, tableaux design and large-scale festival feast, firework toy, birthday fireworks.Cold light firework has combustion
It is low to put temperature, the features such as product pollution is small, safe, and firework display effect is good.Cold light firework currently on the market be all pass through by
Single original washing powder or nitrocotton powder, oxidant, metal powder of certain grain size etc. are assembled after mixing by certain proportion.Assembling
When need that first paper web is placed on the particular manufacturing craft fixed on screw compress machine workbench, it is rear so using volumetric method by medicament several times
It is encased in paper web, then is compacted medicinal powder with screw compress machine, screw compress machine punching press number is related with explosive payload, and explosive payload is more, punching press
Number is more.Entire assembling process assembling speed is slow, low production efficiency, small additionally, due to the granularity of assembling medicinal powder, is assembling
Dust is big in journey, and there are larger security risks.
Single original washing powder be using retired military transmitting single-base gun propellant it is directly broken prepared by yellow powder, cigarette during burning
It is few with residue.Using single original washing powder, there are following uncertain factors：The retired military single-base powder quantity of country is fewer and fewer, and source has
Exhausted phenomenon, and the retired time and quantity of single-base powder are not known；Single-base powder main component 95% is the above are nitrocotton, except this it
There are some additives outside, such as camphor, potassium sulfate, graphite, for cold light firework, there are a little smog and residue in when burning；
Single-base powder crushes and drying is there are certain security risk, and dry single original washing powder is deposited when being mixed and press fitting with titanium valve, oxidant
In larger security risk, and complex procedures.
, it is necessary to which the nitrocotton containing watery wine is dried or dried in advance when doing main raw material(s) assembling cold light firework using nitrocotton
Dry, this process hazard degree is high.First, nitrocotton is possible to combustion of decomposing because of hot-spot during drying or drying
It burns, so as to cause combustion explosion accident, such security incident has occurred for Liuyang cold light firework producer；Second is that dry or dry process
In easily generate a large amount of dust, so as to cause combustion explosion accident；Third, nitrocotton is in soft fluffy state, with titanium valve, oxidant etc.
It is not easy to be compacted after mixing, burn rate is difficult to control, and it is relatively hazardous to set off operation；Fourth, cold light firework product poor storage performance, because nitre
Change in cotton without stabilization agent, long-term storage can caused by the selfdecomposition of nitrocotton security incident.Case above has made cold light cigarette
The development of flower prod enters bottleneck period.
The content of the invention
Technical problem solved by the invention is to provide the new cold light firework that a kind of raw material is simple and easy to get, production is safer
The molded technique of powder column spiral shell.
There is provided a kind of cold light firework powder column spiral shells to be pressed into for technological means used by the present invention solves above-mentioned technical problem
Type technique, the technique comprise the following steps：
A, by the nitrocotton containing watery wine, oxidant and titanium valve or nitrocotton, oxidant, titanium valve and function containing watery wine
Auxiliary agent is plasticized with the solvent for having dissolved stabilization agent, must be plasticized material；The function additive is ferrocene, strontium carbonate, nitric acid
At least one of strontium, copper oxide, ice crystal or barium nitrate；
B, plasticizing material is compacted using screw compress machine obtained by step a, then by mold compression moulding, then through drying, cutting, drying
It is dry, obtain cold light firework powder column finished product.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step a, the nitrification containing watery wine
Cotton, oxidant, the mass ratio of titanium valve and function additive are 30~90：1~40：5~30：0~30.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step a, the nitrification containing watery wine
The degree of nitration of nitrocotton is not less than 175mL/g in cotton；Water content is 1%~30% in the nitrocotton containing watery wine；It is described to contain
Ethanol content is 10%~35% in the nitrocotton of watery wine.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step a, the oxidant is high chlorine
At least one of sour ammonium, potassium hyperchlorate, potassium chlorate, barium perchlorate, potassium nitrate, barium nitrate or sodium nitrate.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step a, the titanium valve for Titanium,
At least one of yellow light titanium, titanium sponge or titantium hydride；The granularity of the titanium valve is 20~200 mesh.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step a, the stabilization agent is hexichol
At least one of amine, No. I centralite or No. II centralite.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step a, the dosage of the stabilization agent
Mass ratio with solvent is 0.01~0.1：1.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step a, the solvent is ethyl alcohol, third
At least one of ketone, ethyl acetate or ether.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step a, the solvent is with containing watery wine
Nitrocotton in nitrocotton mass ratio be 0.6~1.5：1.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step a, the plasticizing is in kneader
Middle progress during plasticizing, covers cover, opens positive vehicle 5min~10min, scrape cylinder, then open positive vehicle 5min~10min, anti-vehicle 1min~
Alternately, total fusion time is 30min~90min to 5min.
Preferably, in the molded technique of spiral shell of cold light firework powder column described above, in step a, the addition side of each material
Formula has following several：
Nitrocotton containing watery wine, oxidant, titanium valve are added in kneader, anti-vehicle mixing 2min~10min is added
The solvent of stabilization agent is dissolved；
Alternatively, the nitrocotton containing watery wine, oxidant, titanium valve and function additive are added in kneader, anti-vehicle mixing
2min~10min adds the solvent for having dissolved stabilization agent；
Alternatively, it by the nitrocotton containing watery wine, titanium valve, oxidant and dissolves the solvent of stabilization agent simultaneously and is added to pinches simultaneously
In conjunction machine；
Alternatively, simultaneously by the nitrocotton containing watery wine, titanium valve, oxidant, function additive and dissolved stabilization agent solvent it is same
When be added in kneader.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step b, the screw compress machine is single spiral shell
Bar extrusion shaping machine, model HY80, HY100, HY120, HY160, HY180 etc. is a variety of.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step b, the cross section of the mold
Shape can be the polygons such as circle, triangle, five-pointed star, square, rectangle, diamond shape.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step b, plasticizing obtained by the step a
Material is compacted using screw compress machine, is then by the concrete operations of mold compression moulding：Plasticizing material obtained by step a is added in into screw compress machine
Compulsory feeder in, material is promoted forward by screw compress machine screw rod, using screw rod rotational shear and longitudinal thrust by object
Material compacting, squeezes into screw compress machine by material by compulsory feeder conveyor screw, mold with head is connected, then passes through mold pressure
Type is made.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step b, it is described dry to dry to
Material water content is no more than 5%, and residual solvent levels are no more than 10%.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step b, after dicing, drying before,
Further include nature preliminary drying；It is described nature preliminary drying operation be：Material after cutting is packed into clean cloth pocket, opens wide sack,
When placement 2~48 is small.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step b, the drying is to be steamed with water
Vapour or hot water are heat source, and drying temperature is 35 DEG C~90 DEG C, are dried to water content in powder column and are no more than 5%, residual solvent levels
No more than 5%.
The molded technique of spiral shell the present invention also provides cold light firework powder column described above prepares the cold light firework of gained
Powder column.
Beneficial effects of the present invention：
The present invention directly uses the nitrocotton containing watery wine as raw material, avoids drying, is dry-mixed, being dry for single original washing powder or nitrocotton
Journey is pressed through, by adjusting each material ratio in plasticizing process, the nitrocotton containing watery wine is made to mix evenly with other raw material,
Plasticizing material is more densely cross-linked, and then cold light firework powder column, gained powder column burning velocity is prepared by spiral shell pressure process efficient rate
Controllably, product quality is stablized；The method of the present invention is safe and reliable, and preparing gained powder column can directly be loaded into paper web, in addition envelope
Head, strip of paper used for sealing etc., cold fireworks product, cold fireworks product can also be assembled into other fitment combinations.
Description of the drawings
Fig. 1 is the process flow chart that the present invention prepares cold light firework powder column.
Specific embodiment
Specifically, a kind of molded technique of cold light firework powder column spiral shell, the technique comprise the following steps：
A, by the nitrocotton containing watery wine, oxidant and titanium valve or nitrocotton, oxidant, titanium valve and function containing watery wine
Auxiliary agent is plasticized with the solvent for having dissolved stabilization agent, must be plasticized material；The function additive is ferrocene, strontium carbonate, nitric acid
At least one of strontium, copper oxide, ice crystal or barium nitrate；
B, plasticizing material is compacted using screw compress machine obtained by step a, then by mold compression moulding, then through drying, cutting, drying
It is dry, obtain cold light firework powder column finished product.
Directly use the nitrocotton containing watery wine that it is pretreated to greatly reduce the nitrocotton containing watery wine for raw material in the present invention
In journey (dry, dry), the danger coefficient in powder column production process；Nitrocotton of the present invention containing watery wine can be certainly
Product or commercially available product, only require and meet the following conditions：The degree of nitration of nitrocotton is not less than in nitrocotton containing watery wine
175mL/g, water content is 1%~30% in the nitrocotton containing watery wine, in the nitrocotton containing watery wine ethanol content for 10%~
35%；Wherein, the conventional method of this field can be used in own product, and aqueous nitrocotton is placed in expelling water machine and uses alcohol expelling water
It is made.
Oxidant is ammonium perchlorate, potassium hyperchlorate, potassium chlorate, barium perchlorate, potassium nitrate, barium nitrate or nitric acid in the present invention
At least one of sodium；Titanium valve is at least one of Titanium, yellow light titanium, titanium sponge or titantium hydride；The granularity of the titanium valve
For 20~200 mesh.
In step a of the present invention, the nitrocotton containing watery wine, oxidant, the mass ratio of titanium valve and function additive for 30~
90：1~40：5~30：0~30.
In step a of the present invention, the stabilization agent is diphenylamines, at least one of No. I centralite or No. II centralite；Institute
It is 0.01~0.1 to state the dosage of stabilization agent and solvent quality ratio：1；Solvent be ethyl alcohol, acetone, ethyl acetate or ether in extremely
Few one kind.
In step a of the present invention, the weight ratio of the solvent and nitrocotton in the nitrocotton containing watery wine is 0.6~1.5：1；It is excellent
Choosing, the content of moisture content and ethyl alcohol of the design parameter according to contained by the nitrocotton containing watery wine determines, when the nitrocotton institute containing watery wine
When the water and the total content of ethyl alcohol relatively low (being less than or equal to 15%) that contain, the weight ratio of solvent and nitrocotton in the nitrocotton containing watery wine
For 1~1.5：1；When the water contained by the nitrocotton containing watery wine and the total content of ethyl alcohol higher (be more than 15%), solvent with it is aqueous
The weight ratio of nitrocotton is 0.6~1 in the nitrocotton of wine：1.
Function additive can need to decide whether to add according to product combustion efficiency in the present invention, therefore the present invention is plasticized
When, the feed postition of each material has following several：
Nitrocotton containing watery wine, oxidant, titanium valve are added in kneader, anti-vehicle mixing 2min~10min is added
The solvent of stabilization agent is dissolved；
Alternatively, the nitrocotton containing watery wine, oxidant, titanium valve and function additive are added in kneader, anti-vehicle mixing
2min~10min adds the solvent for having dissolved stabilization agent；
Alternatively, it by the nitrocotton containing watery wine, titanium valve, oxidant and dissolves the solvent of stabilization agent simultaneously and is added to pinches simultaneously
In conjunction machine；
Alternatively, simultaneously by the nitrocotton containing watery wine, titanium valve, oxidant, function additive and dissolved stabilization agent solvent it is same
When be added in kneader.
After each material all adds in kneader, start plasticizing, open positive vehicle 5min~10min, scrape cylinder, then open positive vehicle 5min~
Alternately, total fusion time is 30min~90min by 10min, anti-vehicle 1min~5min.
In step b, the screw compress machine may be employed Single screw extrusion forming machine, model HY80, HY100, HY120,
HY160, HY180 etc. are a variety of；According to spiral shell pressure and the difference of screw diameter, the pressure of compacting and time are different, in general, 5MPa
~30MPa.
Wherein, in the molded technique of spiral shell of cold light firework powder column described above, in step b, the cross section of the mold
Shape can be the polygons such as circle, triangle, five-pointed star, square, rectangle, diamond shape；Mold controls the shape and size of powder column,
It can be specifically chosen according to actual conditions.
Specifically, compacting described in step b and molding operate are：Plasticizing material obtained by step a is added in into screw compress machine
In compulsory feeder, material is promoted forward by screw compress machine screw rod, using screw rod rotational shear and longitudinal thrust by material
Compacting, squeezes into screw compress machine by material by compulsory feeder conveyor screw, mold with head is connected, is then suppressed by mold
Shaping.
In step b, described to dry to dry to material water content no more than 5%, residual solvent levels (dry in the air no more than 10%
The dry time is generally 1~8h)；Described be cut into is cut by actual production requirement, obtains the powder column of dimension；In addition,
After dicing, dry before, can also include nature preliminary drying the step of, operation be：Material after cutting is packed into clean cloth mouth
In bag, sack is opened wide, is placed on ground, shelf, operation console etc., different according to powder column diameter, the time of placement is different, generally puts
Put 2~48 it is small when, solvent is allowed slowly to volatilize；Nature preliminary drying can not also be passed through, directly dry the material after cutting；When
When powder column diameter is no more than 10mm, nature preliminary drying is not required；When powder column diameter is more than 10mm, then nature preliminary drying is needed.
In step b of the present invention, the drying is using water vapour or hot water as heat source, and drying temperature is 35 DEG C~90 DEG C, is dried
Water content is done into powder column no more than 5%, and residual solvent levels are no more than 5%.
The molded technique of spiral shell for the cold light firework powder column for using the present invention described above can be with safer efficient preparation
Cold light firework powder column is obtained, preparation gained powder column burning velocity is controllable, and product quality is stablized, and can directly be loaded into paper web,
In addition end socket, strip of paper used for sealing etc., cold fireworks product, cold fireworks product can also be assembled into other fitment combinations.
In the present invention, the content is mass content.
The present invention is described in further detail below by test example and embodiment, but is not therefore protected the present invention
Scope is limited among the embodiment described scope.
Mass ratio of the molten cotton described in the embodiment of the present invention than representing solvent and nitrocotton in the nitrocotton containing watery wine.
Embodiment 1
By 60 parts by weight of nitrocotton containing watery wine, (aqueous nitrocotton is placed in expelling water machine and is made with alcohol expelling water, containing watery wine
Nitrocotton contained by moisture content and ethyl alcohol content be 10%), 30 parts by weight of ammonium perchlorate, 10 parts by weight of hydride powder add in
Into kneader, anti-vehicle mixing 5min；Solvent ether is taken for 1.2 by molten cotton ratio, two are taken than 0.05 by diphenylamines and solvent quality
Diphenylamines is added in solvent and dissolved by aniline；The solvent for having dissolved diphenylamines is poured into kneader, covers cover, drives positive vehicle
10min scrapes cylinder, then opens positive vehicle 10min, anti-vehicle 5min alternately, and total fusion time is 50min, and plasticizing terminates, must be plasticized
Material；
Plasticizing material is added in the compulsory feeder of the molded system of spiral shell, starts Single screw extrusion forming machine (model：
HY80), compulsory feeder is started, after the discharging of screw compress machine head, the molding die assembled is connected (monomer with head by parking
For circle, single body inside 5.3mm), it drives, pressure control is in 5MPa~10MPa, until the steady extrusion molding of powder column；Powder column
Be cut into long section, comb is straight, pendulum is stretched, and is placed in and dries in the air on batch pan, place 2 it is small when after cut medicine, cut long 80mm；Rear powder column will be cut mounted in clean
In cloth pocket, sack is opened wide, is put on medicine of a cold nature disk, when standing time is 8 small；After the medicine of a cold nature time arrives, by the cloth mouth equipped with powder column
Bag is placed in baking pan, is opened steam valve, is dried with hot air, 55 DEG C~65 DEG C of drying temperature, when drying time 20 is small,
Cold light firework powder column finished product is obtained after drying.
After testing, cold light firework powder column moisture content of finished products is 2.1%, residual molten 1.3%, outer diameter 4.3mm.
Embodiment 2
58 parts by weight of nitrocotton containing watery wine (are bought in Sichuan Beifang Nitrocellulose Co., Ltd., trade mark H1/2 is aqueous
The content of moisture content and ethyl alcohol contained by the nitrocotton of wine be 29%), 30 parts by weight of ammonium perchlorate, 10 parts by weight of yellow light titanium valve,
2 parts by weight of function additive barium nitrate are added in kneader, anti-vehicle mixing 4min；Solvent ethyl acetate is taken for 0.9 by molten cotton ratio,
Diphenylamines is taken than 0.08 by diphenylamines and solvent quality, diphenylamines is added in into solvent dissolving；The solvent for having dissolved diphenylamines is fallen
Enter in kneader, cover cover, open positive vehicle 10min, scrape cylinder, then open positive vehicle 10min, anti-vehicle 5min alternately, always during plasticizing
Between for 60min, plasticizing terminates, and must be plasticized material；
Plasticizing material is added in the compulsory feeder of the molded system of spiral shell, starts Single screw extrusion forming machine (model：
HY180), compulsory feeder is started, after the discharging of screw compress machine head, the molding die assembled is connected (monomer with head by parking
For positive square, length of side 10.2mm), it drives, pressure control is in 4MPa~8MPa, until the steady extrusion molding of powder column；Powder column is cut into
Long section, comb is straight, pendulum is stretched, and is placed in and dries in the air on batch pan, place 4 it is small when after cut medicine, cut long 50mm；Rear powder column will be cut mounted in clean cloth mouth
In bag, sack is opened wide, is put on medicine of a cold nature disk, when standing time is 14 small；After the medicine of a cold nature time arrives, the cloth pocket equipped with powder column is put
In baking pan, steam valve is opened, is dried with hot air, 55 DEG C~65 DEG C of drying temperature, when drying time 36 is small, drying
Cold light firework powder column finished product is obtained afterwards.
After testing, cold light firework powder column moisture content of finished products is 1.2%, residual molten 1.0%, and the powder column square cross-section length of side is
8.0mm。
Embodiment 3
By 65 parts by weight of nitrocotton containing watery wine, (aqueous nitrocotton is placed in expelling water machine and is made with alcohol expelling water, containing watery wine
Nitrocotton contained by moisture content and ethyl alcohol content be 27%), 25 parts by weight of ammonium perchlorate, 10 parts by weight of spongy titanium powder add in
Into kneader, anti-vehicle mixing 3min；Solvent ether and ethyl alcohol (ether and ethyl alcohol mass ratio 1 are taken than 0.7 by molten cotton：1), by two
Aniline takes diphenylamines with mixed solvent mass ratio 0.04, and diphenylamines is added in solvent dissolving；The solvent for having dissolved diphenylamines is fallen
Enter in kneader, cover cover, open positive vehicle 10min, scrape cylinder, then open positive vehicle 10min, anti-vehicle 5min alternately, always during plasticizing
Between for 70min, plasticizing terminates, and must be plasticized material；
Plasticizing material is added in the compulsory feeder of the molded system of spiral shell, starts Single screw extrusion forming machine (model：
HY80), compulsory feeder is started, after the discharging of screw compress machine head, the molding die assembled is connected (monomer with head by parking
For circle, single body inside 11.9mm), it drives, pressure control is in 3MPa~8MPa, until the steady extrusion molding of powder column；Powder column
Be cut into long section, comb is straight, pendulum is stretched, and is placed in and dries in the air on batch pan, place 6 it is small when after cut medicine, cut long 40mm；Rear powder column will be cut mounted in clean
In cloth pocket, sack is opened wide, is put on medicine of a cold nature disk, when standing time is 18 small；After the medicine of a cold nature time arrives, by the cloth mouth equipped with powder column
Bag is placed in baking pan, is opened steam valve, is dried with hot air, 55 DEG C~65 DEG C of drying temperature, when drying time 30 is small,
Cold light firework powder column finished product is obtained after drying.
After testing, cold light firework powder column moisture content of finished products is 1.3%, residual molten 1.2%, outer diameter 9.4mm.
Embodiment 4
60 parts by weight of nitrocotton containing watery wine (are bought in Sichuan Beifang Nitrocellulose Co., Ltd., trade mark H1/2 is aqueous
The content of moisture content and ethyl alcohol contained by the nitrocotton of wine be 18%), 25 parts by weight of ammonium perchlorate, 10 parts by weight of metallic titanium powder,
5 parts by weight of function additive ice crystal are added in kneader, anti-vehicle mixing 5min；Solvent acetone is taken for 1.0 by molten cotton ratio, by two
Aniline takes diphenylamines with solvent quality than 0.03, and diphenylamines is added in solvent dissolving；The solvent of diphenylamines, which is poured into, by solvent pinches
In conjunction machine, cover is covered, positive vehicle 10min is opened, scrapes cylinder, then opens positive vehicle 10min, anti-vehicle 5min alternately, total fusion time is
80min, plasticizing terminate, and must be plasticized material；
Plasticizing material is added in the compulsory feeder of the molded system of spiral shell, starts Single screw extrusion forming machine (model：
HY80), compulsory feeder is started, after the discharging of screw compress machine head, the molding die assembled is connected (monomer with head by parking
For equilateral triangle type, length of side 6.0mm), it drives, pressure control is in 8MPa~15MPa until the steady extrusion molding of powder column；Powder column is cut
Grow up section, comb is straight, pendulum is stretched, and is placed in and dries in the air on batch pan, place 3 it is small when after cut medicine, cut long 100mm；Rear powder column will be cut mounted in clean
In cloth pocket, sack is tightened, is put on medicine of a cold nature disk, when standing time is 24 small；After the medicine of a cold nature time arrives, by the cloth mouth equipped with powder column
Bag is placed in baking pan, opens steam valve, with hot-air by powder column heating, drying, 55 DEG C~65 DEG C of drying temperature, drying time
15 it is small when, after drying cold light firework powder column finished product,
After testing, cold light firework powder column moisture content of finished products is 2.1%, residual molten 1.4%, and the powder column triangular cross-section length of side is
4.7mm。
Embodiment 5~8
Embodiment 5 and embodiment 6 prepare cold light firework powder column using method same as Example 1, the difference is that
Mold shape and size；Embodiment 7 and embodiment 8 prepare cold light firework powder column using method same as Example 2, difference
It is in mold shape and size；5~8 die parameters of embodiment and gained cold light firework powder column finished product data are shown in Table 1.
1 embodiment of table, 5~8 die parameters and gained cold light firework powder column finished product
Claims (10)
1. the molded technique of the spiral shell of cold light firework powder column, it is characterised in that：Comprise the following steps：
A, by the nitrocotton containing watery wine, oxidant and titanium valve or nitrocotton, oxidant, titanium valve and function additive containing watery wine,
It is plasticized with the solvent for having dissolved stabilization agent, material must be plasticized；The function additive is ferrocene, strontium carbonate, strontium nitrate, oxidation
At least one of copper, ice crystal or barium nitrate；
B, plasticizing material is compacted using screw compress machine obtained by step a, then by mold compression moulding, then through drying, cutting, drying,
Obtain cold light firework powder column finished product.
2. the molded technique of spiral shell of cold light firework powder column according to claim 1, it is characterised in that：It is described to contain in step a
The nitrocotton of watery wine, oxidant, the mass ratio of titanium valve and function additive are 30~90：1~40：5~30：0~30.
3. the molded technique of spiral shell of cold light firework powder column according to claim 1, it is characterised in that：It is described to contain in step a
The degree of nitration of nitrocotton is not less than 175mL/g in the nitrocotton of watery wine；Water content 1% in the nitrocotton containing watery wine~
30%, ethanol content 10%~35% in the nitrocotton containing watery wine.
4. the molded technique of spiral shell of cold light firework powder column according to claim 1, it is characterised in that：In step a, the oxygen
Agent is at least one of ammonium perchlorate, potassium hyperchlorate, potassium chlorate, barium perchlorate, potassium nitrate, barium nitrate or sodium nitrate.
5. the molded technique of spiral shell of cold light firework powder column according to claim 1, it is characterised in that：In step a, the titanium
Powder is at least one of Titanium, yellow light titanium, titanium sponge or titantium hydride；The granularity of the titanium valve is 20~200 mesh.
6. the molded technique of spiral shell of cold light firework powder column according to claim 1, it is characterised in that：In step a, the peace
Agent is determined at least one of diphenylamines, No. I centralite or No. II centralite；The dosage of the stabilization agent and the mass ratio of solvent
For 0.01~0.1：1.
7. the molded technique of spiral shell of cold light firework powder column according to claim 1, it is characterised in that：It is described molten in step a
Agent is at least one of ethyl alcohol, acetone, ethyl acetate or ether；In step a, the solvent and nitre in the nitrocotton containing watery wine
The mass ratio for changing cotton is 0.6~1.5.
8. the molded technique of spiral shell of cold light firework powder column according to claim 1, it is characterised in that：In step a, the modeling
Change carries out in kneader, during plasticizing, covers cover, opens positive vehicle 5min~10min, scrape cylinder, then open positive vehicle 5min~10min,
Alternately, total fusion time is 30min~90min to anti-vehicle 1min~5min.
9. the molded technique of spiral shell of cold light firework powder column according to claim 1, it is characterised in that：Below at least meeting
One：
In step b, described to dry to dry to material water content no more than 5%, residual solvent levels are no more than 10%；
In step b, after dicing, before drying, nature preliminary drying is further included；It is described nature preliminary drying operation be：By the object after cutting
Material is packed into clean cloth pocket, sack is opened wide, when placement 2~48 is small；
In step b, the operation of the drying is：Using water vapour or hot water as heat source, drying temperature is 35 DEG C~90 DEG C, is dried to
Water content is no more than 5% in powder column, and residual solvent levels are no more than 5%.
10. the molded technique of the spiral shell of claim 1~9 any one of them cold light firework powder column prepares the cold light firework medicine of gained
Column.
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| CN110981661A (en) * | 2019-12-09 | 2020-04-10 | 泸州北方化学工业有限公司 | Colored micro-smoke firework chemical and preparation method thereof |
| CN110986688A (en) * | 2019-12-09 | 2020-04-10 | 泸州北方化学工业有限公司 | Colorful bright bead of micro-smoke firework and preparation method thereof |
| CN111517898A (en) * | 2020-01-06 | 2020-08-11 | 江西吉润花炮新材料科技有限公司 | Environment-friendly type firework bomb lift-off agent and preparation method thereof |
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| CN110986688A (en) * | 2019-12-09 | 2020-04-10 | 泸州北方化学工业有限公司 | Colorful bright bead of micro-smoke firework and preparation method thereof |
| CN110835283A (en) * | 2019-12-10 | 2020-02-25 | 江西吉润花炮新材料科技有限公司 | Environment-friendly firecracker nitrate medicament and preparation method thereof |
| CN111517898A (en) * | 2020-01-06 | 2020-08-11 | 江西吉润花炮新材料科技有限公司 | Environment-friendly type firework bomb lift-off agent and preparation method thereof |
| CN111620757A (en) * | 2020-06-05 | 2020-09-04 | 湖南坤普科技有限公司 | Civil fireworks containing alcohol |
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