阅读说明：本技术 一种气态发射型烟花 (gaseous emission type firework ) 是由 傅超 钟自奇 黄华曦 钟良 刘韬 杨传观 蔡波 钟自远 于 2019-08-01 设计创作，主要内容包括：本发明公开一种气态发射型烟花,包括：外筒,一端封闭,另一端开口；筒体中部周侧壁上设置有安放引火线的孔；含能气体发射剂部件,包括包装袋和封装在包装袋内部的含能气体发射剂,放置于所述外筒封闭端；所述气体发射剂主要由可燃气体、助燃气体和惰性气体组成；其他结构与现有烟花完全一致。气态发射型烟花技术解决了现有升空类、组合类烟花及小型礼花弹燃放时发射药燃烧生成的烟雾和有害气体引起的环境污染问题。(The invention discloses a gaseous emission type firework, which comprises: an outer cylinder, one end of which is closed and the other end of which is open; holes for placing firing wires are arranged on the peripheral side wall of the middle part of the cylinder body; the energy-containing gas propellant component comprises a packaging bag and an energy-containing gas propellant packaged in the packaging bag, and is placed at the closed end of the outer cylinder; the gas propellant mainly comprises combustible gas, combustion-supporting gas and inert gas; other structures are completely consistent with the existing fireworks. The gaseous emission type firework technology solves the problem of environmental pollution caused by smoke and harmful gas generated by burning propellant powder when the existing ascending type fireworks and combined fireworks and small display shells are set off.)

1. A gaseous emission type firework, comprising:

an outer cylinder, one end of which is closed and the other end of which is open; a firing cable is arranged on the peripheral side wall of the middle part of the cylinder body;

The energy-containing gas propellant component comprises a packaging bag and an energy-containing gas propellant packaged in the packaging bag, and is placed at the closed end of the outer cylinder; the gas propellant mainly comprises combustible gas, combustion-supporting gas and inert gas;

The inner cylinder is filled with explosive, and one end of the inner cylinder is embedded with a guiding explosive; the propellant is placed in the outer cylinder, and one end of the propellant is close to the energetic gas propellant component;

The outer spacer is arranged in the outer barrel and used for encapsulating the inner barrel in the outer barrel and forming an inner barrel encapsulation space; and the outer cylinder is placed along the cross section direction of the outer cylinder.

2. The gas emission type firework according to claim 1, further comprising:

The inner spacer is arranged between the energy-containing gas propellant component and the inner cylinder, is used for encapsulating the energy-containing gas propellant component at the lower part of the outer cylinder, forms an energy-containing gas propellant component encapsulation space, and is arranged along the cross section direction of the outer cylinder and provided with a first through hole.

3. The gas emission type firework according to claim 1, wherein the length of the energy-containing gas propellant member is 1/4 to 1/2 of the length of the outer tube.

4. The gas emission type firework according to claim 2, wherein the first through hole is provided in the center of the inner spacer, and a ratio of a hole diameter to an outer diameter of the inner spacer is 1:6 to 1: 3.

5. A gaseous emission type firework as claimed in claim 2, wherein the outer periphery of said inner spacer has a peripheral side surface contacting and sealingly engaging with the inner wall of the outer tube;

The peripheral side surfaces are located on the same side of the inner spacer and are mounted toward a side of the energetic gas propellant containing member.

6. the gas emission type firework as claimed in claim 1, wherein the outer partition is provided with a second through hole for communicating with the space of the inner package cylinder.

7. The gaseous emission type firework according to claim 5, wherein the second through hole comprises a plurality of through holes, and the through holes are uniformly distributed along a circle of the center of the outer spacer.

8. The gas emission type firework according to claim 1, wherein an inner diameter of the outer tube is 1.0 to 2.5 inches, and the amount of the energetic gas propellant contained in the energetic gas propellant member is 60 to 450 ml.

9. The gas emission type firework according to claim 8, wherein an inner diameter of the outer tube is 2.5 to 6.0 inches, and an amount of the energetic gas propellant contained in the energetic gas propellant member is 450 to 8000 ml.

10. the gaseous emission type firework according to claim 1, wherein the fireworks include a combination type firework, an ascending type firework and a fireworks display.

Technical Field

The invention relates to the technical field of fireworks, in particular to an energy-containing gas emission type firework.

Background

Fireworks are the inheritance and development of black powder technology which is one of four inventions in ancient times in China, are the most representative traditional culture representatives in China, and are one of the most beautiful business cards in the communication of foreign culture in China, because fireworks can generate smoke and harmful gas when being set off, the pollution is caused to the natural environment, in order to protect the environment and reduce the pollution, many cities in China currently forbid the setting off of fireworks or make strict limitation on the setting off of fireworks, although the problem of air pollution during festive periods is partially solved by the prohibition and the limitation of the fireworks, the traditional festive atmosphere is lacked in festive days, meanwhile, the fireworks are originated in China, the development of the favorite traditional fireworks culture of people faces a dilemma, and the healthy development of the fireworks industry in China is greatly influenced. In order to inherit and develop excellent traditional culture in China, the pollution of smoke and harmful gas generated by the firework setting off to the environment must be thoroughly solved at present.

The existing firework propellant is mainly black powder which mainly comprises solid particles such as potassium nitrate, sulfur, charcoal and the like, and the components are in negative oxygen balance, not only a plurality of solid particles are generated in the combustion process, which causes the generation of a large amount of smoke, but also harmful gases such as sulfur oxide, carbon monoxide and the like can be generated, so that certain pollution can be generated to the environment, the problem of environmental pollution caused by firework ignition is seriously restricted on the healthy development of the industry, the existing firework propellant which is environment-friendly, harmless, cheap and easy to obtain needs to be developed urgently, the existing black powder propellant is replaced, smoke particles are not generated during the ignition of fireworks, and harmful gases are not generated.

Disclosure of Invention

The invention provides a gaseous emission type firework, which is used for solving the problem of environmental pollution caused by harmful gas, smoke dust particles and the like generated by emission powder in low altitude after the existing firework is set off. Gaseous emission type fireworks propellant only produces gases such as carbon dioxide and water after the burning, does not have solid particle in the result, does not have harmful gas, greatly reduced the smog that current fireworks combustion process produced, not only solved the pollution problem that current fireworks propellant powder burning brought, make the fireworks moreover set off the sight effect of process better.

To achieve the above object, the present invention provides a gaseous emission type firework, comprising:

An outer cylinder, one end of which is closed and the other end of which is open; a firing cable is arranged on the peripheral side wall of the middle part of the cylinder body;

The energy-containing gas propellant component comprises a packaging bag and an energy-containing gas propellant packaged in the packaging bag, and is placed at the closed end of the outer cylinder; the gas propellant mainly comprises combustible gas, combustion-supporting gas and inert gas;

The inner cylinder is filled with explosive, and one end of the inner cylinder is embedded with a guiding explosive; the propellant is placed in the outer cylinder, and one end of the propellant is close to the energetic gas propellant component;

The inner spacer is arranged between the energy-containing gas propellant component and the inner cylinder, is used for encapsulating the energy-containing gas propellant component at the lower part of the outer cylinder and forming an energy-containing gas propellant component encapsulation space, is arranged along the cross section direction of the outer cylinder and is provided with a first through hole;

The outer spacer is arranged in the outer barrel and used for encapsulating the inner barrel in the outer barrel and forming an inner barrel encapsulation space; and the outer cylinder is placed along the cross section direction of the outer cylinder.

The gaseous emission type firework provided by the invention has the advantages that the propellant is the mixed gas of combustible gas and oxygen, experiments prove that the energy generated by the propellant in the deflagration process is enough to be used as the propellant to replace black powder, the conventional firework ignition mode is not required to be changed, the conventional lead ignition mode can be still used, and the propellant component can be ignited by adopting the electric ignition head ignition mode; because the energy required for igniting the propellant gas is small, the propellant gas can be ignited by utilizing electric spark; the combustion products of the propellant are water and carbon dioxide, toxic gas and smoke particles are not generated, the pollution problem is solved, and the cost of the composition gas of the propellant is relatively low; in order to improve the production safety, combustible gas can be stored separately in the production process, and can not be mixed with oxygen until being filled into a propellant package, and the propellant component prepared after mixing is arranged in an outer cylinder for fireworks to launch; compared with the existing firework production technology, the safety of the production process is greatly improved.

Drawings

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a cross-sectional view of a gaseous emission type firework according to an embodiment of the present invention;

FIG. 2 is a schematic view of the pressure relief effect of the perforated outer spacer;

FIG. 3 is a top view of the inner spacer of FIG. 1;

FIG. 4 is a cross-sectional view of the inner spacer of FIG. 3 taken along a central axis thereof;

FIG. 5 is a top view of the outer spacer of FIG. 1;

FIG. 6 is a rotary sectional view of the outer spacer of FIG. 5 taken along a radial direction thereof and passing through centers of two second through-holes, respectively;

FIG. 7a is an experimental picture of the firework propellant as a 1.2 inch combined firework propellant when an inner cylinder is just launched out of an outer cylinder in the first experiment of the first embodiment of the present invention;

FIG. 7b is an experimental picture of the height reached by the inner cylinder after 9ms of the fireworks propellant of the first experiment of the first example as the 1.2 inch combined fireworks propellant in FIG. 7 a;

FIG. 8 is an experimental picture of smoke formed after black powder is used as a propellant for 1.2 inch combined fireworks in a comparative experiment;

FIG. 9a is an experimental picture of a 2.5-inch display shell launched by 400ml of the propellant when the display shell is just launched out of the outer cylinder;

FIG. 9b is a graph of an experiment in which the distance from the display shell to the height of 60cm in FIG. 9a is reached after 13.5ms in FIG. 9a, from which the exit velocity of the display shell can be calculated to be 44.4 m/s;

FIG. 10a is an experimental picture of a 3.0 inch display shell launched by 900ml of the propellant when the display shell is just launched out of the outer cylinder;

FIG. 10b is a graph of an experiment in which the distance from the display shell to the height of 90cm in FIG. 10a is reached after 19.75ms has elapsed in FIG. 10a, from which the exit velocity of the display shell can be calculated to be 45.6 m/s;

Fig. 11 is a schematic structural diagram of a gaseous emission type fireworks display according to the second embodiment of the present invention.

the reference numbers illustrate:

1-outer cylinder, 2-energetic gas propellant component, 3-inner cylinder, 4-inner spacer, 5-outer spacer, 7-fuse, 11-closed end, 12-open end, 31-explosive, 32-fuse, 10-energetic gas propellant component packaging space, 20-inner cylinder packaging space, 40-first disk, 41-first through hole, 42-first peripheral side, 43-first guide surface, 50-second disk and 51-second through hole.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

in the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; the connection can be mechanical connection, electrical connection, physical connection or wireless communication connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.