CN104930925A - Safety firework bullet and firework bullet launching device and system - Google Patents
Safety firework bullet and firework bullet launching device and system Download PDFInfo
- Publication number
- CN104930925A CN104930925A CN201510253947.8A CN201510253947A CN104930925A CN 104930925 A CN104930925 A CN 104930925A CN 201510253947 A CN201510253947 A CN 201510253947A CN 104930925 A CN104930925 A CN 104930925A
- Authority
- CN
- China
- Prior art keywords
- transmitting tube
- safety
- powder
- firework
- gases
- 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.)
- Granted
Links
Abstract
The invention discloses a safety firework bullet and a firework bullet launching device. The safety firework bullet comprises an inner body and a protection layer for sealing the inner body. The inner body is a blocky object formed by pressing or mixed melting of combustible metal powder grains, a flame agent powder grains and/or effect agent powder grains; the melting point of the protection layer is higher than the fire point of combustible metal in the inner body; and due to the fact that no any gunpowder compositions exist in the novel safety firework bullet, and the compositions are common combustible industrial raw materials, the firework safety problem is thoroughly solved. In addition, other physical and chemical methods are utilized for replacing the effect of gunpowder, the firework bullet is launched to air and is ignited, and the safe and reliable effects are achieved.
Description
Technical field
The invention belongs to a kind of safety fireworks bullet, firework bomb emitter and system.
Background technology
Fireworks are the familiar a kind of article of Chinese.Traditional fireworks for primary raw material is made with gunpowder and metal dust, by burning or exploding after igniting, producing the effects such as light, sound, look, type, smog, for viewing and admiring, having the article of inflammable and explosive danger.
Wherein, luminescent effect is a kind of main effects of fireworks medicament.The high temperature produced after utilizing the metal dust burning in fireworks medicine and luminescent effect, metal dust (as aluminium powder, magnesium aluminum-alloy powder etc.) in medicament, can discharge a large amount of luminous energy and heat radiation when medicament burns, luminous intensity has hundreds thousand of international candle, and temperature can reach thousands of degree.No matter be the illuminating agent that can play luminous function, still can produce the flash of light medicament of bright star, can produce the flicker effect agent that a sudden strain of a muscle one is put out, the firework effect that they produce all be unable to do without the luminescent effect of metal burning.Fireworks and firecrackers is to the harm of environment mainly atmosphere pollution and noise pollution.Due to fireworks and firecrackers powder composition wherein, fireworks producing, transport, store, the links such as to set off because carelessness and in violation of rules and regulations, often there is security incident.
Gunpowder in the agent of conventional smoke flower pesticide is mainly divided into propellant powder and combustion-supporting medicine, and the effect of propellant powder is the powder gases producing HTHP, and firework bomb is transmitted in the air by high pressure, utilizes high temperature to be ignited by firework bomb simultaneously.Combustion-supporting medicine then can help the metal dust continuing vigorous burning aloft in firework bomb, discharges high light and a large amount of heat energy.
But the gunpowder in traditional fireworks is a kind of explosive of danger, in the links such as production, transport, storage, careless slightlyly accident will be caused.In fact, the death toll of all kinds of accident of annual fireworks and firecrackers industry is all high.If carefully investigate the gunpowder in pyrotechnic compound, can find that gunpowder, just playing assistant metal powder (magnesium powder or magnesium aluminum-alloy powder) burning luminescence, is not indispensable composition in fact.
In addition, gunpowder main component in tradition fireworks is made up of sulphur, charcoal and oxidant (generally using nitre), can discharge the toxic gases such as a large amount of sulfur dioxide, sulfur monoxide, nitrogen dioxide and nitric oxide in the process of setting off, the imperfect combustion of charcoal can discharge a large amount of carbon powder dust.After red-letter day and celebration are set off fireworks, all can produce serious air pollution problems inherent.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of safety fireworks bullet, firework launching device and system, in order to overcome traditional fireworks contaminated environment and the shortcoming of danger.
It is as follows that the present invention solves the problems of the technologies described above taked technical scheme:
A kind of safety fireworks bullet; comprise the protective layer of endosome and sealing endosome; described endosome is by the block that combustible metal powder, flame color agent powder and/or effect agent powder are suppressed or mixed smelting becomes, and the fusing point of protective layer is higher than the burning-point of the combustible metal in endosome.
A kind of safety fireworks bullet emitter, comprising: a high-temperature heating system and a gases at high pressure emission system, described gases at high pressure emission system comprises:
One transmitting tube, for placing firework bomb;
One gases at high pressure launch storage device, and for providing gases at high pressure that firework bomb is pushed out transmitting tube, and broken through by protective layer, it is connected with the bottom of transmitting tube by pipeline, and a High-pressure air valve is located on described pipeline;
Wherein, described high-temperature heating system is connected with described transmitting tube, and to one of transmitting tube or all heat, and transfer heat to firework bomb by transmitting tube, the combustible metal powder in firework bomb to be heated to the temperature of more than burning-point.
A kind of safety fireworks bullet emission system, comprise safety fireworks bullet and safety fireworks bullet emitter, described safety fireworks bullet, comprise the protective layer of endosome and sealing endosome, described endosome is by the block that combustible metal powder, flame color agent powder and/or effect agent powder are suppressed or mixed smelting becomes, and the fusing point of protective layer is higher than the burning-point of the combustible metal in endosome;
Described safety fireworks bullet emitter, comprising: a high-temperature heating system and a gases at high pressure emission system, and described gases at high pressure emission system comprises:
One transmitting tube, for placing firework bomb;
One gases at high pressure launch storage device, and for providing gases at high pressure that firework bomb is pushed out transmitting tube, and broken through by protective layer, it is connected with the bottom of transmitting tube by pipeline, and a High-pressure air valve is located on described pipeline;
Wherein, described high-temperature heating system is connected with described transmitting tube, and to one of transmitting tube or all heat, and transfer heat to firework bomb by transmitting tube, the combustible metal powder in firework bomb to be heated to the temperature of more than burning-point.
After this invention takes such scheme, due in the safety fireworks bullet that this is novel without any powder composition, its composition is all the raw material of industry of common combustible, fundamentally solves safety and the pollution problem of fireworks.In addition, the present invention utilizes other physico-chemical processes to replace the effect of gunpowder, is transmitted into by firework bomb aerial and ignites, having safe and reliable effect.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write description, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in detail, to make above-mentioned advantage of the present invention definitely.Wherein,
Fig. 1 is the structural representation of safety fireworks bullet of the present invention.
Fig. 2 is the structural representation of safety fireworks bullet emitter of the present invention.
Detailed description of the invention
Describe embodiments of the present invention in detail below with reference to drawings and Examples, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.It should be noted that, only otherwise form conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other, and the technical scheme formed is all within protection scope of the present invention.
embodiment one:
The present invention, without powder safe environment-friendly type fireworks, is made up of firework bomb and corresponding firework bomb emitter, and wherein, the Main Function of firework bomb aloft burns to send high light, and present various different firework effect.
Firework bomb emitter adopts physical method to replace the effect of powder composition in fireworks, transmitter to utilize electric energy to produce high temperature and high pressure, is heated by firework bomb and be transmitted into height to burn in the air luminescence.
Its main process is:
First utilize firework bomb emitter that the entirety of firework bomb or part are heated to more than the ignition temperature of wherein composition, firework bomb is transmitted in the air by recycling gases at high pressure, firework bomb, aloft after ingress of air, discharges a large amount of high lights and heat energy, forms various splendid firework effect.
As shown in Figure 1, this safety fireworks bullet does ovalisation, certainly, also can make various shape according to demand, as circular, cylindrical, does not describe in detail at this.
It mainly comprises the protective layer 602 of endosome 601 and sealing endosome; different from the fireworks of prior art; any powder composition is not comprised in endosome 601 in the present invention; it is mainly by the block that combustible metal powder, flame color agent powder and/or effect agent powder are suppressed or mixed smelting becomes; by heating combustible metal powder to its burning-point to carry out luminescence; for this reason, need the fusing point of protective layer higher than the burning-point of the combustible metal in endosome.
In general, described protective layer is inorganic glue thin slice or sheet metal, certainly, also can as required, select any fusing point higher than the material of the combustible metal burning-point in endosome, as: potter's clay, glass etc.Further, when utilizing safety fireworks bullet emitter to launch firework bomb, needing to make firework bomb in high mid-air explosion, for this reason, needing protective layer to be broken through by gases at high pressure than being easier to again, for this reason, needing the thickness of Control protection layer.
According to the test of many times of applicant, when selecting inorganic glue, the thickness of inorganic glue thin slice is 1.5-2mm; When selecting sheet metal, the thickness of sheet metal is 0.5-1mm.When selecting potter's clay, thickness is 1-1.5mm, and when selecting glass, thickness is 0.5-1mm.
Wherein, according to the experience of applicant, general combustible metal powder chooses pure magnesium powder, one of fine aluminium powder or magnadure powder or combination, and these materials are also the materials for luminescence conventional in existing fireworks.Certainly, also other materials can be selected, as other type of metal such as titanium or alloy replace.
In addition, described flame color agent powder chooses sodium chloride, one of potassium chloride or strontium chloride powder or combination.Described effect agent powder chooses cupric oxide and/or bismuth oxide.
Wherein, the firework bomb in the present invention needs to launch in conjunction with specific emitter.
As shown in Figure 2, it is the safety fireworks bullet emitter of the embodiment that the present invention matches, it mainly comprises: a high-temperature heating system and a gases at high pressure emission system, described gases at high pressure emission system comprises: a transmitting tube 1, for placing firework bomb 3, and the internal diameter of the external diameter of firework bomb 3 and transmitting tube 1 matches, distance substantially continuously between the two.In embodiment, transmitting tube 1 is made up of metal tube or earthenware, and inner wall smooth.
One gases at high pressure launch storage device 2, for providing gases at high pressure that firework bomb is pushed out transmitting tube, and are broken through by protective layer, thus at high mid-air explosion and generation fireworks, it is connected with the bottom of transmitting tube by pipeline;
One High-pressure air valve 3 is located on described pipeline;
Wherein, described high-temperature heating system is connected with described transmitting tube; and to one of transmitting tube or all heat; and transfer heat to firework bomb by transmitting tube; the combustible metal powder in firework bomb to be heated to the temperature of more than burning-point, and after combustible metal powder to burning-point, firework bomb is pushed out transmitting tube by gases at high pressure; and protective layer is broken through, thus at high mid-air explosion and generation fireworks.
In embodiment, high-temperature heating system chooses electrical heating, certainly, also can select other heating systems, not repeat at this.As shown in Figure 2, described heating system comprises a heating element heater 5, this heating element heater is arranged in transmitting tube, or together with being integrated into transmitting tube, or be arranged on transmitting tube outside, and fit together with transmitting tube, in embodiment, choose electrical heating wire, and this heater strip is located at the outside of transmitting tube, and together with fitting tightly with described transmitting tube, and transmitting tube is heated.
Based on above embodiment, technological merit of the present invention can be seen.In other words, without any powder composition in safety fireworks bullet, its composition is all the raw material of industry of common combustible, fundamentally solves the safety problem of fireworks.In addition, the present invention utilizes other physico-chemical processes to replace the effect of gunpowder, is transmitted into by firework bomb aerial and ignites, having safe and reliable effect.
embodiment two:
In order to realize the effect automatically controlled, the present invention can increase by a control system, and it can realize based on single-chip microcomputer/PLC/ computer/mobile phone/mobile flat board, is mainly used in the opening and closing controlling High-pressure air valve.Specifically, described control system can connect described high-temperature heating system and gases at high pressure emission system, and pass through the transmitting tube temperature of a temperature induction unit perception gases at high pressure emission system transmission, and after reaching the temperature of setting, control described gases at high pressure emission system open described High-pressure air valve, and after transmitting bullet sends, close High-pressure air valve.
embodiment three:
In the present invention, the composition of firework bomb can effect as required be arranged in pairs or groups arbitrarily, such as, in one embodiment, the composition of firework bomb is: metal (magnesium, magnadure) and flame color agent (sodium chloride, potassium chloride, strontium chloride etc.), the powder of these two kinds of compositions is mixed and is pressed into bulk, or high temperature mixed smelting becomes block firework bomb.At firework bomb surface coating layer protective layer, protective layer used can withstand high temperatures also at high temperature have the material of proper strength to make, such as: the high temperature inorganic glue etc. that industry is conventional.
Wherein, when transmitting, firework bomb is loaded firework bomb emitter, firework bomb is heated to more than 700 degrees Celsius by transmitter, metal (magnesium, magnadure) now in firework bomb has melted as liquid that (burning-point of magnesium is 500 degrees Celsius, fusing point is 660 degree), and reach more than burning-point.
Because the liquid metal of inside contacts with air exclusion by the protective layer on surface, firework bomb just can't take fire in transmitter.When transmitter gases at high pressure get out firework bomb from transmitting tube time; the protective layer of firework bomb is because the powerful impulsive force of high pressure draught and the effect of impact fragmentation with transmitting tube wall; the high temperature fluent metal mixing flame color agent of firework bomb inside is launched in the air; be dispersed as little agglomerate; and ingress of air vigorous combustion, forms the firework effect of the shape that disperses.
Novel firework in the present invention is without any gunpowder, and its composition is all the metal industry raw material of common combustible.Firework bomb without gunpowder is no longer a kind of explosive of danger, and just a kind of common combustible, fundamentally solves the safety problem of fireworks.
embodiment four:
In one embodiment, the composition of firework bomb is: metal (magnesium) and flame color agent (sodium chloride, potassium chloride, strontium chloride etc.), the powder of these two kinds of compositions is mixed and is pressed into bulk, or high temperature mixed smelting becomes block firework bomb.
When transmitting, firework bomb is loaded firework bomb emitter, transmitting tube parts are heated to more than 700 degrees Celsius by transmitter, but firework bomb is not heated to burning-point.
When firework bomb is filled in transmitting tube by transmitter mechanical mechanism time, the high temperature heat transfer effect that firework bomb is subject to transmitting tube starts to heat up, firework bomb is heated certain time length, temperature reaches more than burning-point when starting vigorous combustion, firework bomb is transmitted in the air with gases at high pressure by transmitter at once, firework bomb ingress of air continues vigorous combustion, forms the colourful fireworks bullet effect risen up slowly.
Novel firework in the present invention is without any gunpowder, and its composition is all the metal industry raw material of common combustible.Firework bomb without gunpowder is no longer a kind of explosive of danger, and just a kind of common combustible, fundamentally solves the safety problem of fireworks.
embodiment five:
In this embodiment, the composition of firework bomb is: (magnadure, cupric oxide and bismuth oxide form for metal (magnesium), flame color agent (sodium chloride, potassium chloride, strontium chloride etc.) and effect agent, the effect agent that tradition fireworks are conventional, a large amount of gas burst can be discharged) under certain high temperature, metal and flame color agent powder are mixed, is coated on endosome and makes spherical firework bomb.
When transmitting, firework bomb is loaded firework bomb emitter, transmitting tube parts are heated to more than 700 degrees Celsius by transmitter, and firework bomb is not now heated.When firework bomb is filled in transmitting tube by transmitter mechanical mechanism time, the high temperature heat transfer effect that firework bomb is subject to transmitting tube starts the burning that heats up, once firework bomb starts vigorous combustion after being heated to certain time length, firework bomb is transmitted in the air with gases at high pressure by transmitter at once, firework bomb ingress of air vigorous combustion, forms the colored flare effect risen up slowly.The high temperature of firework bomb makes inner effect agent discharge a large amount of gas burst, firework bomb is blown the firework effect being formed and scatter to surrounding.
In a word, the fireworks burning-point in the present invention is exactly the burning-point of wherein metal ingredient, and greatly about 400 DEG C about-500 DEG C, higher than the burning-point (150 DEG C-300 DEG C) of common combustible as paper, clothes etc., security is better.
Further, the gunpowder in traditional fireworks can discharge the toxic gases such as a large amount of sulfur dioxide, sulfur monoxide, nitrogen dioxide and nitric oxide in the process of setting off, and the imperfect combustion of charcoal also can discharge a large amount of carbon powder dust.Setting off of fireworks can produce serious air pollution problems inherent.Safe environment protection type fireworks of the present invention, the very simple and safety of composition, the product after setting off is magnesia, can not produce any harmful product.
In addition, during traditional firework display, powder burning blast can produce the huge sound, has strong noise jamming to surrounding resident.After setting off, also can produce a large amount of paper scraps and rubbish, cleaning works is very heavy.Environmental protection and safety type fireworks of the present invention, when setting off, the sound is less, little to the interference of surrounding resident; Also can not produce a large amount of paper scraps and rubbish, overcome the secondary pollution problem of traditional fireworks to surrounding environment.
Meanwhile, firework bomb emitter produces high temperature and combustion gas equal energy source can be used to replace electric power, and high pressure can use the gas tank that gases at high pressure are housed.Firework bomb can replace magnesium, magnadure with other type of metal such as titanium or alloy, every and at high temperature ingress of air can not change, and can keep the material of proper strength can as protective layer, as: potter's clay, glass, be not repeated herein.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a safety fireworks bullet; comprise the protective layer of endosome and sealing endosome; it is characterized in that, described endosome is the block by the compacting of combustible metal powder, flame color agent powder and/or effect agent powder or mixed smelting, and the fusing point of protective layer is higher than the burning-point of the combustible metal in endosome.
2. safety fireworks bullet according to claim 1, is characterized in that, described protective layer is inorganic glue thin slice or sheet metal or potter's clay or glass.
3. safety fireworks bullet according to claim 2, is characterized in that, the thickness of described inorganic glue thin slice is 1.5-2mm; Or the thickness of described sheet metal is 0.5-1mm.
4. safety fireworks bullet according to claim 1 and 2, is characterized in that, described combustible metal powder is pure magnesium powder, one of fine aluminium powder or magnadure powder or combination.
5. safety fireworks bullet according to claim 1 and 2, is characterized in that, described flame color agent powder chooses sodium chloride, one of potassium chloride or strontium chloride powder or combination.
6. safety fireworks bullet according to claim 1 and 2, is characterized in that, described effect agent powder chooses cupric oxide and/or bismuth oxide.
7. a safety fireworks bullet emitter, is characterized in that, comprising: a high-temperature heating system and a gases at high pressure emission system, and described gases at high pressure emission system comprises:
One transmitting tube, for placing firework bomb;
One gases at high pressure launch storage device, and for providing gases at high pressure that firework bomb is pushed out transmitting tube, and broken through by protective layer, it is connected with the bottom of transmitting tube by pipeline;
One High-pressure air valve, is located on described pipeline;
Wherein, described high-temperature heating system is connected with transmitting tube, and to one of transmitting tube or all heat, and transfer heat to firework bomb by transmitting tube, the combustible metal powder in firework bomb to be heated to the temperature of more than burning-point.
8. safety fireworks bullet emitter according to claim 7, is characterized in that, be also provided with a control system, for controlling the opening and closing of High-pressure air valve;
Wherein, this control system connects described high-temperature heating system and gases at high pressure emission system, and the transmitting tube temperature that perception gases at high pressure emission system is transmitted, and after reaching the temperature of setting, control described gases at high pressure emission system open described High-pressure air valve.
9. the safety fireworks bullet emitter according to claim 7 or 8, it is characterized in that, described heating system comprises a heating element heater, and this heating element heater is arranged in transmitting tube; Or together with being integrated into transmitting tube; Or be arranged on transmitting tube outside, and fit together with transmitting tube.
10. a safety fireworks bullet emission system, is characterized in that, comprises the arbitrary described safety fireworks bullet of claim 1 ~ 6 and the arbitrary described safety fireworks bullet emitter of claim 7 ~ 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510253947.8A CN104930925B (en) | 2015-05-18 | 2015-05-18 | Safety firework bullet and firework bullet launching device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510253947.8A CN104930925B (en) | 2015-05-18 | 2015-05-18 | Safety firework bullet and firework bullet launching device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104930925A true CN104930925A (en) | 2015-09-23 |
| CN104930925B CN104930925B (en) | 2017-05-10 |
Family
ID=54118205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510253947.8A Active CN104930925B (en) | 2015-05-18 | 2015-05-18 | Safety firework bullet and firework bullet launching device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104930925B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1530692A (en) * | 1923-06-27 | 1925-03-24 | Charles L Paulus | Reenforced pyrotechnic flare |
| CN1078455A (en) * | 1992-05-08 | 1993-11-17 | 毛淑云 | Unleaded, nontoxic, safety, sounder with high loudness |
| JP2000009397A (en) * | 1998-06-19 | 2000-01-14 | Japan Steel Works Ltd:The | Projectile launcher |
| CN1648111A (en) * | 2005-02-02 | 2005-08-03 | 上海冠珠礼仪用品有限公司 | Booster of environment protection plastic projectile body fireworks display bomb and its method for producing fireworks display bomb |
| CN204831022U (en) * | 2015-05-18 | 2015-12-02 | 刘兴超 | Safe fireworks bullet, fireworks bullet emitter and system |
-
2015
- 2015-05-18 CN CN201510253947.8A patent/CN104930925B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1530692A (en) * | 1923-06-27 | 1925-03-24 | Charles L Paulus | Reenforced pyrotechnic flare |
| CN1078455A (en) * | 1992-05-08 | 1993-11-17 | 毛淑云 | Unleaded, nontoxic, safety, sounder with high loudness |
| JP2000009397A (en) * | 1998-06-19 | 2000-01-14 | Japan Steel Works Ltd:The | Projectile launcher |
| CN1648111A (en) * | 2005-02-02 | 2005-08-03 | 上海冠珠礼仪用品有限公司 | Booster of environment protection plastic projectile body fireworks display bomb and its method for producing fireworks display bomb |
| CN204831022U (en) * | 2015-05-18 | 2015-12-02 | 刘兴超 | Safe fireworks bullet, fireworks bullet emitter and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104930925B (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8813652B2 (en) | Pyrophoric projectile | |
| KR101819663B1 (en) | Airdrop grenade for extinguishing forest fire | |
| RU96231U1 (en) | TORCH FOR LIGHT AMMUNITION | |
| CN204831022U (en) | Safe fireworks bullet, fireworks bullet emitter and system | |
| CN101073696A (en) | Forest fire-extinguishing pellet | |
| CN106225569A (en) | A kind of liquid-gas phase transition firework launching device, combination unit and using method | |
| RU2316714C1 (en) | Fireworks battery | |
| CN201213989Y (en) | Automatic orientation fire-extinguishing device | |
| CN201262535Y (en) | Fire-extinguishing bullet | |
| US2305561A (en) | Flash lamp | |
| CN101042292A (en) | No explosive core firecracker | |
| CN105674829A (en) | Kindling agent for destruction bomb and preparation method of kindling agent | |
| CN104930925B (en) | Safety firework bullet and firework bullet launching device and system | |
| CN108562194A (en) | Novel low-pollution firecracker | |
| ITRM980257A1 (en) | LOSS DEVICE INFRARED RADIATION EMITTER | |
| CN204421761U (en) | A kind of multilayer fireworks inner tank | |
| CN209706655U (en) | A kind of Yi light pipe | |
| CN207113725U (en) | A kind of fireworks inner tank of no overshoot lead wire | |
| CN205860877U (en) | Cartridge module in a kind of novel firework | |
| CN109147523A (en) | A kind of device of simulating dust explosion | |
| KR20170058534A (en) | Firecracker structure | |
| CN109883274A (en) | A kind of Yi light pipe and preparation method thereof | |
| De Antonis | Fireworks! | |
| CN211557774U (en) | Circuit board buffering protection mechanism for firework setting-off ignition system | |
| CN214120059U (en) | Horizontal rotary furnace of blasting hazardous articles burns antiknock destruction system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Xingchao Inventor after: Ma Jiyuan Inventor before: Liu Xingchao |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |