CN111056888A - Alloy type bright green cold firework chemical and preparation method thereof - Google Patents
Alloy type bright green cold firework chemical and preparation method thereof Download PDFInfo
- Publication number
- CN111056888A CN111056888A CN201911219074.3A CN201911219074A CN111056888A CN 111056888 A CN111056888 A CN 111056888A CN 201911219074 A CN201911219074 A CN 201911219074A CN 111056888 A CN111056888 A CN 111056888A
- Authority
- CN
- China
- Prior art keywords
- stirring
- powder
- alloy type
- solution
- alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- C06B21/0075—Shaping the mixture by extrusion
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to an alloy type bright green cold firework explosive and a preparation method thereof, belonging to the field of environment-friendly pyrotechnic compositions. Weighing modified alloy type flame color agent, nitroguanidine, monobasic drug, cyclohexanone peroxide, dimethyl diphenyl urea, zinc stearate, dibutyl phthalate, carbazole and vaseline; adding a single-base drug and nitroguanidine into ethyl acetate, stirring and heating, and then adding dimethyl diphenyl urea and dibutyl phthalate to obtain a solution A; heating and stirring ethylene glycol, and adding zinc stearate, carbazole and vaseline to obtain a solution B; stirring absolute ethyl alcohol and adding cyclohexanone peroxide powder to obtain solution C; and adding the solution C into the solution B, adding the solution A and the modified alloy type flame coloring agent, stirring, drying, kneading to obtain a micelle, granulating to obtain an alloy type bright green cold firework explosive crude product, and crushing and sieving to obtain the gold type bright green cold firework explosive. The method of the invention is safe and reliable, ensures full combustion, does not generate toxic and harmful smoke, has simple preparation process and does not discharge three wastes in the production process.
Description
Technical Field
The invention relates to an alloy type bright green cold firework explosive and a preparation method thereof, belonging to the field of environment-friendly pyrotechnic compositions.
Background
The development of cold fireworks marks that the firework industry is advancing towards a new stage, has the advantages of environmental protection, low setting temperature and the like, is a new trend of the development of the firework industry in the future, and has strong competitiveness in the market.
Patent CN108218644A discloses a smokeless cool light firework explosive with fragrance, which comprises the following components: the cold light firework powder can achieve an ideal eruption effect by adjusting the proportion of the components of nitrocellulose, ferrocene, a stabilizer, essence and titanium powder, but the cold light firework powder disclosed by the patent has a single color in the setting off process and cannot achieve the effect of fantasy color.
For colorful cold light fireworks, there are some patents describing them. Patent CN103121886A discloses a colorful cold firework agent and a cold firework manufacturing method, and the agent comprises the following components: 20-30% of ammonium perchlorate, 20-30% of nitrocotton, 30-35% of silver titanium powder, 15-20% of photoluminescent material and 5-10% of fluororubber. However, the photoluminescence material can not achieve stable multicolor effect, and the white light has more variegated colors when the photoluminescence material is set off. Patent CN103030483A discloses a bright green cold firework explosive and a preparation method thereof, wherein the explosive comprises the following components in percentage by weight: 25-40% of boron powder, 5-15% of magnesium aluminum alloy powder, 6-12% of titanium powder, 8-15% of barium nitrate, 6-10% of 52# chlorinated paraffin, 15-20% of nitrocotton and 15-20% of ammonium perchlorate, and the preparation method of the medicament comprises the steps of fuel mixing, fuel granulation, fuel granule drying, medicament mixing and the like. The bright green cold firework powder prepared by the method is difficult to achieve complete and uniform mixing in the fuel mixing process, and the illusion-color effect is not ideal in the setting-off process. Patent CN109913697A discloses a metal alloy powder for multi-wavelength cold light fireworks and a preparation method thereof, the method takes metal zirconium as a main body, other metal combustible agents are added to prepare the metal alloy combustible agent, and the aim of coloring the cold light fireworks is achieved by adjusting the radiation wave band when the powder is burnt.
As is well known, the main components of the cold firework powder at present are ammonium perchlorate, sulfur, nitrocotton, low ignition point metal powder and the like. The burning of the powder can generate chloride, sulfide smoke and metal oxide dust, which can affect the health of human bodies and cause certain pollution to the environment; in addition, the market lacks an effective formula and a preparation method of the bright green cold firework explosive, is a weak field for preparing the cold firework explosive, and also limits the application diversity of the cold firework explosive.
On the premise of ensuring the excellent setting-off effect of the cold fireworks, the environmental pollution and the harm to the human body caused by setting-off of the cold fireworks are reduced, the smoke release amount of the cold fireworks is effectively controlled, the gloss effect of the cold fireworks is enhanced, the hot spot problem and the key problem on the development road of the firework industry are solved, the cold fireworks are one of the main contradictions to be solved urgently in the whole firework industry, a certain demand is provided for the smokeless and sulfur-free performance and the luminous performance of the cold fireworks chemical, and the direction is pointed out for the development of the firework industry. Therefore, the prepared alloy type bright green cold firework explosive has great social significance, practical significance and economic significance.
Disclosure of Invention
The invention aims to provide an alloy type bright green cold firework powder and a preparation method thereof, and realizes efficient preparation of the bright green cold firework powder. The alloy type bright green cold tobacco anther agent keeps the characteristics of low burning temperature, less pollution and safe use of the existing cold tobacco anther agent, and simultaneously increases bright green magic colors, thereby meeting the market demand.
The purpose of the invention is realized by the following technical scheme.
An alloy type bright green cold firework chemical comprises the following components in percentage by mass:
a preparation method of an alloy type bright green cold firework chemical comprises the following specific steps:
weighing modified alloy type flame toner, nitroguanidine, a single-base drug, cyclohexanone peroxide, dimethyl diphenylurea, zinc stearate, dibutyl phthalate, carbazole and vaseline according to the formula mass ratio;
stirring ethyl acetate at the speed of 60-100 rpm, adding a single-base drug and nitroguanidine into the ethyl acetate respectively under the stirring state, wherein the mass ratio of the single-base drug to the ethyl acetate is 1 (5-10), heating to 35-45 ℃ after stirring for 30-60 minutes, adding dimethyldiphenylurea and dibutyl phthalate into the solution, and continuously stirring for 30-60 minutes to obtain a solution A;
stirring ethylene glycol at the speed of 60-100 rpm, heating to 75-90 ℃, respectively adding zinc stearate, carbazole and vaseline into the ethylene glycol under the stirring state, wherein the mass ratio of the zinc stearate to the ethylene glycol is 1 (5-10), and stirring for 30-60 minutes to obtain a solution B;
stirring absolute ethyl alcohol at the speed of 60-100 rpm, adding cyclohexanone peroxide powder into the absolute ethyl alcohol under the stirring state, wherein the mass ratio of the cyclohexanone peroxide powder to the absolute ethyl alcohol is 1 (3-5), and performing ultrasonic dispersion for 70-110 minutes to prepare a solution C;
step five, adding the solution C into the solution B at the speed of 60-100 rpm, stirring for 10-15 minutes, adding the solution A into the solution, stirring for 10-15 minutes, adding the modified alloy type flame color agent under the stirring state, stirring for 1-2 hours, and drying for 30-50 minutes in a cool and ventilated place; then kneading, wherein a proper amount of ethyl acetate can be added in the kneading process, and the mixture is kneaded to form uniform micelle with moderate hardness;
the method for judging the moderate hardness comprises the following steps: extruding the paste M through a 20-mesh copper sieve to form continuous thin strips which are not adhered to each other;
step six, granulating the uniform micelle with moderate hardness obtained in the step five by using a double-screw granulator, and drying for 12-24 hours at the temperature of 70-80 ℃ to obtain an alloy type bright green cold firework explosive crude product;
and step seven, lightly pressing and crushing the crude alloy type bright green cold firework powder obtained in the step six, sieving the crude alloy type bright green cold firework powder through a 80-mesh copper sieve, removing residues with too small particles, then sieving the crude alloy type bright green cold firework powder through a 60-mesh copper sieve, and taking the residues of the 60-mesh copper sieve to obtain the gold type bright green cold firework powder with uniform particles.
The preparation method of the modified alloy type flame agent comprises the following steps:
firstly, brushing an oxide layer on the surface of a metal ingot A by using a steel brush, then placing the metal ingot A in an ultrasonic cleaning instrument, cleaning the metal ingot A by using absolute ethyl alcohol for 10-15 minutes, after the metal ingot A is cleaned, drying the metal ingot A in vacuum for 5-10 minutes, and then accurately weighing the metal ingot A;
step two, placing the metal ingot A obtained in the step one, the light generating agent and the light assisting agent at the bottom of a crucible of a vacuum induction furnace, wherein the mass ratio of the metal ingot A to the light generating agent is 1 (2-4), the mass ratio of the metal ingot A to the light assisting agent is 1 (1-3), sealing the vacuum induction furnace, starting a vacuum pump, and when the vacuum degree reaches 2.2 multiplied by 10-2～2.6×10-2After Pa, closing the vacuumizing port, heating, preserving heat for 2-4 hours when the temperature reaches 2250-2390 ℃, and naturally cooling to room temperature to obtain an alloy ingot B;
and step three, under the protection of argon atmosphere, cutting and crushing the alloy ingot B obtained in the step two by using a metal cutting milling machine to obtain alloy scraps, adding the alloy scraps and absolute ethyl alcohol into a ball milling tank of a ball milling machine, wherein the mass ratio of the alloy scraps to the absolute ethyl alcohol is 1 (0.2-0.5), introducing argon into the ball milling tank to replace air in the tank, sealing the ball milling tank after three times of replacement, starting the ball milling machine, and sieving the powder through a 300-mesh copper sieve after 1-2 hours to obtain an alloy type flame colorant larger than 300 meshes.
In the first step, the metal ingot A is one of a zirconium ingot and a titanium ingot.
The purity of the metal ingot A in the first step is more than 99.8 percent.
The light-producing agent in the second step comprises the following components in percentage by weight:
45-65% of copper powder
27-42% of boron powder
5-14% of copper oxide
And in the second step, the components of the light assisting agent comprise tin powder and aluminum powder, wherein the mass ratio of the tin powder to the aluminum powder is 1 (1.2-3.8).
Advantageous effects
1. An alloy type bright green cold firework chemical adopts a modified alloy type flame coloring agent as a main component, and is safe and reliable; the components do not contain chlorine element and sulfur element, and cyclohexanone peroxide is introduced, so that the full combustion is ensured, no toxic and harmful smoke is generated, and the preparation of the smokeless and sulfur-free cold firework composition can be really realized;
2. the preparation method of the alloy type bright green cold firework chemical has the advantages of simple process, few steps, no three-waste discharge in the production process, suitability for flow line operation of factories, suitability for large-scale industrial production and remarkable economic and social benefits.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
An alloy type bright green cold firework chemical comprises the following components in percentage by mass:
a preparation method of an alloy type bright green cold firework explosive comprises the following specific steps:
stirring 300g of ethyl acetate at the speed of 100rpm, respectively adding 50g of the monobasic drug and 54g of the nitroguanidine into the ethyl acetate under the stirring state, stirring for 50 minutes, heating to 35 ℃, adding 11.5g of the dimethyldiphenylurea and 7.7g of the dibutyl phthalate into the solution, and continuously stirring for 40 minutes to obtain a solution A;
stirring 54g of ethylene glycol at the speed of 100rpm, heating the temperature to 80 ℃, respectively adding 7.7g of zinc stearate, 9.6g of carbazole and 1.9g of vaseline into the ethylene glycol under the stirring state, and stirring for 30 minutes to obtain a solution B;
stirring 34.5g of absolute ethyl alcohol at the speed of 100rpm, adding 11.5g of cyclohexanone peroxide powder into the absolute ethyl alcohol under the stirring state, and performing ultrasonic dispersion for 100 minutes to prepare a solution C;
after an oxide layer on the surface of the zirconium ingot is brushed by a steel brush, the zirconium ingot is placed in an ultrasonic cleaning instrument, absolute ethyl alcohol is used for cleaning, the zirconium ingot is taken out after being cleaned for 10 minutes, vacuum drying is carried out for 10 minutes, and then 44.8g of the zirconium ingot is weighed; putting 44.8g zirconium ingot, 154.5g light generating agent and 69.6g light assistant agent at the bottom of a crucible of a vacuum induction furnace, sealing the vacuum induction furnace, starting a vacuum pump until the vacuum degree reaches 2.6 multiplied by 10-2After Pa, closing the vacuumizing port, heating, keeping the temperature for 3 hours after the temperature reaches 2280 ℃, and naturally cooling to room temperature to obtain 257g of alloy ingot B; under the protection of argon atmosphere, 257g of alloy ingot B is cut and crushed by a metal cutting milling machine to obtain 246g of alloy scraps, 246g of alloy scraps and 49.2g of absolute ethyl alcohol are added into a ball milling tank of a ball milling machine, argon is introduced into the ball milling tank to replace air in the tank, the ball milling tank is sealed after three times of replacement, the ball milling machine is started, and after 2 hours, powder is sieved by a 300-mesh copper sieve to obtain 235g of an alloy type flame colorant larger than 300 meshes;
the light-producing agent comprises the following components in percentage by weight:
copper powder 60%
30 percent of boron powder
Copper oxide 10%
The light assistant comprises tin powder and aluminum powder, wherein the mass ratio of the tin powder to the aluminum powder is 1: 1.2;
adding the solution C into the solution B at the speed of 100rpm, stirring for 10 minutes, adding the solution A into the solution, stirring for 10 minutes, adding 230.8g of modified alloy type flame-tinting agent under the stirring state, stirring for 1.5 hours, and drying for 35 minutes in a cool and ventilated place; then kneading until the mixture is uniform and conglobate with moderate hardness; granulating the uniform micelle with moderate hardness by using a double-screw granulator, and drying for 12 hours at the temperature of 80 ℃ to obtain 376g of alloy type bright green cold firework explosive crude product;
the 376g of alloy type bright green cold firework powder crude product is crushed by light pressure, then the crushed product is sieved by an 80-mesh copper sieve, screen remainders with too small particles are removed, then the crushed product is sieved by a 60-mesh copper sieve, screen remainders of the 60-mesh copper sieve are taken, and 323g of alloy type bright green cold firework powder with uniform particles is obtained, the ignition point of the alloy type bright green cold firework powder is as low as 75 ℃, the external temperature in the burning process is lower than 33 ℃, bright green magical colors are generated at the same time, and the market requirements are met.
Example 2
An alloy type bright green cold firework chemical comprises the following components in percentage by mass:
a preparation method of an alloy type bright green cold firework explosive comprises the following specific steps:
stirring 6000g of ethyl acetate at the speed of 100rpm, respectively adding 1200g of the monobasic drug and 1100g of the nitroguanidine into the ethyl acetate under the stirring state, stirring for 60 minutes, heating to 40 ℃, adding 250g of the dimethyldiphenylurea and 200g of the dibutyl phthalate into the solution, and continuously stirring for 45 minutes to obtain a solution A;
stirring 1400g of ethylene glycol at the speed of 100rpm, heating the temperature to 80 ℃, respectively adding 200g of zinc stearate, 150g of carbazole and 50g of vaseline into the ethylene glycol under the stirring state, and stirring for 35 minutes to obtain a solution B;
stirring 1750g of absolute ethyl alcohol at the speed of 100rpm, adding 350g of cyclohexanone peroxide powder into the absolute ethyl alcohol under the stirring state, and performing ultrasonic dispersion for 100 minutes to prepare a solution C;
after an oxide layer on the surface of the zirconium ingot is brushed by a steel brush, the zirconium ingot is placed in an ultrasonic cleaning instrument, absolute ethyl alcohol is used for cleaning, the zirconium ingot is taken out after being cleaned for 10 minutes, vacuum drying is carried out for 10 minutes, and then 1127g of zirconium ingot is weighed; placing 1127g of zirconium ingot, 3181g of light generating agent and 2454g of light assisting agent at the bottom of a crucible of a vacuum induction furnace, sealing the vacuum induction furnace, starting a vacuum pump until the vacuum degree reaches 2.6 multiplied by 10-2After Pa, closing the vacuumizing port, heating, keeping the temperature for 3 hours after the temperature reaches 2320 ℃, and naturally cooling to room temperature to obtain 6755g of alloy ingot B; under the protection of argon atmosphere, 6755g of alloy ingotB, cutting and crushing by using a metal cutting milling machine to obtain 6674g of alloy scraps, adding 6674g of alloy scraps and 2002.2g of absolute ethyl alcohol into a ball milling tank of the ball milling machine, introducing argon into the ball milling tank to replace air in the tank, sealing the ball milling tank after three times of replacement, starting the ball milling machine, and sieving powder by using a 300-mesh copper sieve after 2 hours to obtain 6600g of alloy type flame toner with the particle size larger than 300 meshes;
the light-producing agent comprises the following components in percentage by weight:
copper powder 55%
40 percent of boron powder
Copper oxide 5%
The light assistant comprises tin powder and aluminum powder, wherein the mass ratio of the tin powder to the aluminum powder is 1: 2.4;
adding the solution C into the solution B at the speed of 100rpm, stirring for 10 minutes, adding the solution A into the solution, stirring for 10 minutes, adding 6500g of modified alloy type flame-tinting agent under the stirring state, stirring for 1.5 hours, and drying for 35 minutes in a cool and ventilated place; then kneading until the mixture is uniform and conglobate with moderate hardness; granulating the uniform micelle with moderate hardness by using a double-screw granulator, and drying for 12 hours at the temperature of 80 ℃ to obtain 9913g of alloy type bright green cold firework explosive crude product;
9913g of crude alloy type bright green cold firework powder is crushed by light pressure, then the crushed crude alloy type bright green cold firework powder passes through an 80-mesh copper sieve, screen remnants with too small particles are removed, then the crushed crude alloy type bright green cold firework powder passes through a 60-mesh copper sieve, screen remnants of the 60-mesh copper sieve are taken, and 9454g of uniform alloy type bright green cold firework powder is obtained, the ignition point of the cold firework powder is as low as 73 ℃, the external temperature in the burning process is lower than 37 ℃, bright green magical colors are generated, and the market requirements are met.
Example 3
An alloy type bright green cold firework chemical comprises the following components in percentage by mass:
a preparation method of an alloy type bright green cold firework explosive comprises the following specific steps:
stirring 70kg of ethyl acetate at the speed of 100rpm, respectively adding 10kg of the single-base drug and 10kg of nitroguanidine into the ethyl acetate under the stirring state, stirring for 60 minutes, heating to 45 ℃, adding 2kg of dimethyldiphenylurea and 2kg of dibutyl phthalate into the solution, and continuously stirring for 60 minutes to obtain a solution A;
stirring 12kg of ethylene glycol at the speed of 100rpm, heating the temperature to 85 ℃, respectively adding 2kg of zinc stearate, 1kg of carbazole and 0.5kg of vaseline into the ethylene glycol under the stirring state, and stirring for 40 minutes to obtain a solution B;
stirring 10kg of absolute ethyl alcohol at the speed of 100rpm, adding 2.5kg of cyclohexanone peroxide powder into the absolute ethyl alcohol under the stirring state, and performing ultrasonic dispersion for 110 minutes to prepare a solution C;
after an oxide layer on the surface of the zirconium ingot is brushed by a steel brush, the zirconium ingot is placed in an ultrasonic cleaning instrument, absolute ethyl alcohol is used for cleaning, the zirconium ingot is taken out after being cleaned for 10 minutes, vacuum drying is carried out for 10 minutes, and then 14.4kg of zirconium ingot is weighed; placing 14.4kg zirconium ingot, 43.2kg light generating agent and 28.8kg light assistant agent at the bottom of a crucible of a vacuum induction furnace, sealing the vacuum induction furnace, starting a vacuum pump until the vacuum degree reaches 2.5 multiplied by 10-2After Pa, closing the vacuumizing port, heating, preserving heat for 3 hours after the temperature reaches 2380 ℃, and naturally cooling to room temperature to obtain 85kg of alloy ingot B; under the protection of argon atmosphere, cutting and crushing 85kg of alloy ingot B by using a metal cutting milling machine to obtain 75.4kg of alloy scraps, adding 75.4kg of alloy scraps and 22.6kg of absolute ethyl alcohol into a ball milling tank of the ball milling machine, introducing argon into the ball milling tank to replace air in the tank, sealing the ball milling tank after three times of replacement, starting the ball milling machine, and sieving powder by using a 300-mesh copper sieve after 2 hours to obtain 72kg of alloy type flame toner larger than 300 meshes;
the light-producing agent comprises the following components in percentage by weight:
53 percent of copper powder
Boron powder 42%
Copper oxide 5%
The light assistant comprises tin powder and aluminum powder, wherein the mass ratio of the tin powder to the aluminum powder is 1: 3.5;
adding the solution C into the solution B at the speed of 100rpm, stirring for 10 minutes, adding the solution A into the solution, stirring for 10 minutes, adding 70kg of modified alloy type flame color agent under the stirring state, stirring for 2 hours, and drying for 50 minutes in a cool and ventilated place; then kneading until the mixture is uniform and conglobate with moderate hardness; granulating the uniform micelle with moderate hardness by using a double-screw granulator, and drying for 12 hours at the temperature of 80 ℃ to obtain 96.3kg of alloy type bright green cold firework explosive crude product;
the alloy type bright green cold firework powder crude product of 96.3kg is crushed by light pressure, then passes through a 80-mesh copper sieve, screen remnants with too small particles are removed, then passes through a 60-mesh copper sieve, screen remnants of the 60-mesh copper sieve are taken, and 88.5kg of alloy type bright green cold firework powder with uniform particles is obtained, the ignition point of the alloy type bright green cold firework powder is as low as 80 ℃, the external temperature in the burning process is lower than 41 ℃, and bright green magical colors appear at the same time, so that the market requirements are met.
The above detailed description is intended to illustrate the objects, aspects and advantages of the present invention, and it should be understood that the above detailed description is only exemplary of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. An alloy type bright green cold firework powder is characterized in that: the components and the occupied mass percentage are as follows:
the preparation method of the modified alloy type flame agent comprises the following steps:
firstly, brushing an oxide layer on the surface of a metal ingot A by using a steel brush, then placing the metal ingot A in an ultrasonic cleaning instrument, cleaning the metal ingot A by using absolute ethyl alcohol for 10-15 minutes, after the metal ingot A is cleaned, drying the metal ingot A in vacuum for 5-10 minutes, and then accurately weighing the metal ingot A;
step two, placing the metal ingot A obtained in the step one, the light generating agent and the light assisting agent at the bottom of a crucible of a vacuum induction furnace, wherein the mass ratio of the metal ingot A to the light generating agent is 1 (2-4), the mass ratio of the metal ingot A to the light assisting agent is 1 (1-3), sealing the vacuum induction furnace, starting a vacuum pump, and when the vacuum degree reaches 2.2 multiplied by 10-2～2.6×10-2After Pa, closing the vacuumizing port, heating, preserving heat for 2-4 hours when the temperature reaches 2250-2390 ℃, and naturally cooling to room temperature to obtain an alloy ingot B;
and step three, under the protection of argon atmosphere, cutting and crushing the alloy ingot B obtained in the step two by using a metal cutting milling machine to obtain alloy scraps, adding the alloy scraps and absolute ethyl alcohol into a ball milling tank of a ball milling machine, wherein the mass ratio of the alloy scraps to the absolute ethyl alcohol is 1 (0.2-0.5), introducing argon into the ball milling tank to replace air in the tank, sealing the ball milling tank after three times of replacement, starting the ball milling machine, and sieving the powder through a 300-mesh copper sieve after 1-2 hours to obtain an alloy type flame colorant larger than 300 meshes.
2. The method for preparing the alloy type bright green cold firework powder as claimed in claim 1, wherein the method comprises the following steps: the method comprises the following specific steps:
weighing modified alloy type flame toner, nitroguanidine, a single-base drug, cyclohexanone peroxide, dimethyl diphenylurea, zinc stearate, dibutyl phthalate, carbazole and vaseline according to the formula mass ratio;
stirring ethyl acetate at the speed of 60-100 rpm, adding a single-base drug and nitroguanidine into the ethyl acetate respectively under the stirring state, wherein the mass ratio of the single-base drug to the ethyl acetate is 1 (5-10), heating to 35-45 ℃ after stirring for 30-60 minutes, adding dimethyldiphenylurea and dibutyl phthalate into the solution, and continuously stirring for 30-60 minutes to obtain a solution A;
stirring ethylene glycol at the speed of 60-100 rpm, heating to 75-90 ℃, respectively adding zinc stearate, carbazole and vaseline into the ethylene glycol under the stirring state, wherein the mass ratio of the zinc stearate to the ethylene glycol is 1 (5-10), and stirring for 30-60 minutes to obtain a solution B;
stirring absolute ethyl alcohol at the speed of 60-100 rpm, adding cyclohexanone peroxide powder into the absolute ethyl alcohol under the stirring state, wherein the mass ratio of the cyclohexanone peroxide powder to the absolute ethyl alcohol is 1 (3-5), and performing ultrasonic dispersion for 70-110 minutes to prepare a solution C;
step five, adding the solution C into the solution B at the speed of 60-100 rpm, stirring for 10-15 minutes, adding the solution A into the solution, stirring for 10-15 minutes, adding the modified alloy type flame color agent under the stirring state, stirring for 1-2 hours, and drying for 30-50 minutes in a cool and ventilated place; then kneading, wherein a proper amount of ethyl acetate can be added in the kneading process, and the mixture is kneaded to form uniform micelle with moderate hardness;
step six, granulating the uniform micelle with moderate hardness obtained in the step five by using a double-screw granulator, and drying for 12-24 hours at the temperature of 70-80 ℃ to obtain an alloy type bright green cold firework explosive crude product;
and step seven, lightly pressing and crushing the crude alloy type bright green cold firework powder obtained in the step six, sieving the crude alloy type bright green cold firework powder through a 80-mesh copper sieve, removing residues with too small particles, then sieving the crude alloy type bright green cold firework powder through a 60-mesh copper sieve, and taking the residues of the 60-mesh copper sieve to obtain the gold type bright green cold firework powder with uniform particles.
3. The method of claim 2, wherein: the preparation method of the modified alloy type flame agent comprises the following steps:
firstly, brushing an oxide layer on the surface of a metal ingot A by using a steel brush, then placing the metal ingot A in an ultrasonic cleaning instrument, cleaning the metal ingot A by using absolute ethyl alcohol for 10-15 minutes, after the metal ingot A is cleaned, drying the metal ingot A in vacuum for 5-10 minutes, and then accurately weighing the metal ingot A;
step two, placing the metal ingot A obtained in the step one, the light generating agent and the light assisting agent at the bottom of a crucible of a vacuum induction furnace, wherein the mass ratio of the metal ingot A to the light generating agent is 1 (2E to E)4) The mass ratio of the metal ingot A to the light assistant agent is 1 (1-3), the vacuum induction furnace is sealed, the vacuum pump is started, and when the vacuum degree reaches 2.2 multiplied by 10-2～2.6×10-2After Pa, closing the vacuumizing port, heating, preserving heat for 2-4 hours after the temperature reaches 2250-2430 ℃, and naturally cooling to room temperature to obtain an alloy ingot B;
and step three, under the protection of argon atmosphere, cutting and crushing the alloy ingot B obtained in the step two by using a metal cutting milling machine to obtain alloy scraps, adding the alloy scraps and absolute ethyl alcohol into a ball milling tank of a ball milling machine, wherein the mass ratio of the alloy scraps to the absolute ethyl alcohol is 1 (0.2-0.5), introducing argon into the ball milling tank to replace air in the tank, sealing the ball milling tank after three times of replacement, starting the ball milling machine, and sieving the powder through a 300-mesh copper sieve after 1-2 hours to obtain an alloy type flame colorant larger than 300 meshes.
4. The method of claim 2, wherein: in the first step, the metal ingot A is a zirconium ingot or a titanium ingot.
5. The method of claim 2, wherein: the purity of the metal ingot A in the first step is more than 99.8 percent.
6. The method of claim 2, wherein: the light-producing agent in the second step comprises the following components in percentage by weight:
45-65% of copper powder
27-42% of boron powder
5-14% of copper oxide.
7. The method of claim 2, wherein: and in the second step, the components of the light assisting agent comprise tin powder and aluminum powder, wherein the mass ratio of the tin powder to the aluminum powder is 1 (1.2-3.8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911219074.3A CN111056888A (en) | 2019-12-03 | 2019-12-03 | Alloy type bright green cold firework chemical and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911219074.3A CN111056888A (en) | 2019-12-03 | 2019-12-03 | Alloy type bright green cold firework chemical and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111056888A true CN111056888A (en) | 2020-04-24 |
Family
ID=70299556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911219074.3A Pending CN111056888A (en) | 2019-12-03 | 2019-12-03 | Alloy type bright green cold firework chemical and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111056888A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121886A (en) * | 2012-12-26 | 2013-05-29 | 南京理工大学 | Multicolor cold-firework reagent and manufacturing method of cold fireworks |
| JP2016216336A (en) * | 2015-05-22 | 2016-12-22 | 株式会社インベント | Fuse and firework by cotton yarns coated with celluloid |
| CN109913697A (en) * | 2019-03-21 | 2019-06-21 | 北京理工大学 | A kind of multi-wavelength cold light firework metal alloy powder and preparation method thereof |
-
2019
- 2019-12-03 CN CN201911219074.3A patent/CN111056888A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121886A (en) * | 2012-12-26 | 2013-05-29 | 南京理工大学 | Multicolor cold-firework reagent and manufacturing method of cold fireworks |
| JP2016216336A (en) * | 2015-05-22 | 2016-12-22 | 株式会社インベント | Fuse and firework by cotton yarns coated with celluloid |
| CN109913697A (en) * | 2019-03-21 | 2019-06-21 | 北京理工大学 | A kind of multi-wavelength cold light firework metal alloy powder and preparation method thereof |
Non-Patent Citations (6)
| Title |
|---|
| 上海拖拉机附件厂，等: "《丰收4型分配式喷油泵的结构与维修》", 31 January 1976, 上海人民出版社 * |
| 全国安全生产教育培训教材编审委员会: "《烟火药制造作业》", 31 August 2013, 中国矿业大学出版社 * |
| 徐竹: "《复合材料成形工艺及应用》", 31 March 2017, 国防工业出版社 * |
| 胡冬林: "《船舶烟火信号及其安全使用》", 30 April 1993, 人民交通出版社 * |
| 钟岩: "《理化检验鉴定》", 30 September 2005, 群众出版社 * |
| 陈家威，等: "《简明化学辞典》", 31 July 1987, 湖北辞书出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110218401A (en) | A kind of soft PVC composite material and preparation method of flame-retardant smoke inhibition and good mechanical properties | |
| CN110981666A (en) | Smokeless and sulfur-free golden indoor setting-off type cold firework explosive and preparation method thereof | |
| CN1078161A (en) | Fire-extinguishing composite | |
| CN103030483A (en) | Bright green cold firework composition and production method thereof | |
| CN101481286B (en) | Smokeless lead medicament composition of firework | |
| CN104973998A (en) | Firework gunpowder composition for firework sounding beads | |
| CN101386558A (en) | Fireworks spraying pyrotechnic compound composition with composite effect | |
| WO2010033284A2 (en) | Perchlorate-free yellow signal flare composition | |
| CN1019995C (en) | Safety colour ball flashing firecrackers | |
| CN111056888A (en) | Alloy type bright green cold firework chemical and preparation method thereof | |
| US20110132506A1 (en) | Perchlorate-free red signal flare composition | |
| CN111018640A (en) | Stabilizing treatment and preparation method of high-explosive-sound smokeless sulfur-free firecracker nitrate medicament | |
| CN111018636A (en) | Alloy type golden cold firework chemical and preparation method thereof | |
| CN110937962A (en) | Alloy type carmine cold firework chemical and preparation method thereof | |
| CN110963867A (en) | Smokeless sulfur-free bright green indoor setting-off type cold firework explosive and preparation method thereof | |
| CN110981667A (en) | Smokeless sulfur-free carmine indoor setting-off type cold firework explosive and preparation method thereof | |
| CN102863302A (en) | Flickering goldenarmor tail combined fireworks and preparation method thereof | |
| CN110950724A (en) | Thermal-stable indoor smokeless and sulfur-free cold firework setting-off chemical and preparation method thereof | |
| CN110963870B (en) | Smokeless and sulfur-free firework delay powder and preparation method thereof | |
| CN110981668A (en) | Moisture-proof smokeless sulfur-free cold firework chemical and preparation method thereof | |
| CN1138688A (en) | Safety color light firecrackers | |
| CN110981653B (en) | Smokeless and sulfur-free firework flute sound agent and preparation method thereof | |
| CN111039731A (en) | Color light cold firework chemical and preparation method thereof | |
| CN111018638A (en) | Waterproof smokeless and sulfur-free firing cable and preparation method thereof | |
| CN111072436A (en) | Smokeless and sulfur-free firework passivator and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200424 |
|
| WD01 | Invention patent application deemed withdrawn after publication |