CN114754630B

CN114754630B - A firework flamethrower resistant to burning

Info

Publication number: CN114754630B
Application number: CN202210363637.1A
Authority: CN
Inventors: 黄启燕; 黄俊豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2025-03-14
Anticipated expiration: 2042-04-08
Also published as: CN114754630A

Abstract

本发明公开了一种耐烧灼的烟花喷火筒，筒体与喷火口是模压成型的一体化结构；模压成型的原料包括下述组分：泥土，水，酚醛树脂，聚乙烯醇，天然树脂；以上组分混合均匀形成胚料，胚料放入模具内常温下加压成型，脱模即得。能够实现以泥土为主体的烟花喷火筒制作；成本低廉、制作方便容易，制得的筒体能够耐受长时间的高温烧灼，没有烧筒或炸筒的风险。使得烟花产品的燃放时长不再受到筒体因素制约，可以在安全规程允许的装药量范围内任意使用。制得的筒体防潮性好、不会被引燃、结构强度较高、筒体内壁光滑，有效减少烟花燃放的烟雾污染，不会出现烟雾遮蔽燃放效果的情况。The invention discloses a firework flamethrower resistant to burning, wherein the cylinder and the flamethrower are an integrated structure formed by compression molding; the raw materials for compression molding include the following components: soil, water, phenolic resin, polyvinyl alcohol, and natural resin; the above components are evenly mixed to form a blank, the blank is placed in a mold and pressurized at room temperature, and the product is obtained by demolding. The firework flamethrower with soil as the main body can be manufactured; the cost is low, the manufacturing is convenient and easy, and the prepared cylinder can withstand long-term high-temperature burning without the risk of burning or bursting the cylinder. The burning time of the firework product is no longer restricted by the cylinder factor, and can be used arbitrarily within the range of the charge amount allowed by the safety regulations. The prepared cylinder has good moisture resistance, will not be ignited, has high structural strength, and has a smooth inner wall of the cylinder, which effectively reduces the smoke pollution caused by the burning of fireworks, and will not cause the smoke to cover the burning effect.

Description

Burn-resistant firework gunbarrel

Technical Field

The invention relates to a firework part, in particular to a firework cylinder or a firework tube.

Background

Both the firework of the spraying type and some toy fireworks (mainly rotary type and rotary lift-off type) form corresponding setting-off effects by spraying the gunpowder combustion air flow from the firework cylinder or the firework tube. These firework barrels or tubes are therefore referred to as firework torches.

In the prior art, the firework flaming cylinder is a paper cylinder body formed by rolling, and the shape of the cylinder body comprises a cylindrical cylinder body (also called a straight cylinder), a conical cylinder body or other special-shaped cylinder bodies and the like. The cylinder is filled with the gunpowder, the port is plugged by a mud head constructed by mud, and the central opening of the mud head is used as a flame spraying port. After the firework is ignited by the external lead, the pyrotechnic composition in the cylinder is combusted to form high-temperature and high-pressure jet air flow which is sprayed out from the flaming port.

The main defects of the existing firework guniting barrel are that the jet air flow has high requirements on the fire resistance of the firework barrel, the paper barrel is easy to burn and even fry, the setting-off time of firework products is severely restricted, the setting-off time of the firework products is generally not longer than 30 seconds, the setting-off time of certain large firework products with thickened barrel walls can reach 60 seconds at most, the setting-off time can be along with serious burning damage of the barrel, and the setting-off time of the firework products can reach 5 seconds at most.

Meanwhile, in the prior art, the combined firework with the whole launching tube formed at one time has partially replaced the traditional process. The multiple emitting cylinders (also called outer cylinders) of the combined firework are prepared by adopting a mode of integral one-time foaming molding by mould pressing. However, the emission tube is also not resistant to long-time high-temperature firing, and can only be used for products such as combined fireworks, and the tube body only needs to bear short-time high-temperature test at the moment of emission when the emission tube is set off. The structural strength of the cylinder body is not higher than that of the existing paper cylinder body, and the cylinder body is not dampproof.

Disclosure of Invention

In order to solve the defects, the technical problem to be solved by the invention is a burning-resistant firework gunbarrel. In order to solve the technical problems, the technical scheme is that the fire-resistant firework flaming barrel is characterized in that a barrel body and a flaming port of the fire-resistant firework flaming barrel are of an integrated structure formed by compression molding, raw materials for compression molding comprise soil, water, phenolic resin, polyvinyl alcohol and natural resin, the raw materials are uniformly mixed to form a blank, and the blank is placed in a mold to be molded under normal temperature in a compression mode and then is demoulded.

Preferably, the weight ratio of each component is 40-60 parts of soil, 3-5 parts of water, 10-60 parts of phenolic resin, 15-20 parts of polyvinyl alcohol and 5-10 parts of natural resin;

preferably, the raw materials for compression molding comprise, by weight, 50 parts of clay, 4 parts of water, 37 parts of phenolic resin, 18 parts of polyvinyl alcohol and 8 parts of natural resin.

Preferably, the feedstock further comprises perlite powder or saw dust. Preferably, the weight ratio of the perlite powder or the sawdust is 15-20% of that of the soil.

The invention has the beneficial effects that:

By adopting the technical scheme, the firework flaming barrel taking soil as a main body can be manufactured, the cost is low, the manufacturing is convenient and easy, the manufactured barrel can endure high-temperature burning for a long time, and the risk of barrel burning or barrel frying is avoided. The setting-off time of the firework product is not limited by the factors of the cylinder, and the firework product can be used at will within the range of the drug loading allowed by safety regulations.

Secondly, the prepared cylinder body has good moisture resistance, and the quality of the internal tobacco powder is effectively prevented from being affected by moisture.

Thirdly, the prepared cylinder body can not be ignited, so that smoke pollution caused by firework setting off is effectively reduced, and the condition that smoke shields setting off effect can not occur.

Fourthly, the manufactured cylinder body has higher structural strength and extrusion collision resistance, the inner wall of the cylinder body is smooth, and the friction between the cylinder body and the gunpowder is reduced, so that the storage and transportation safety of firework products are facilitated.

The firework gunpowder cylinder is applied to the firework with the gunpowder pattern.

Preferably, the setting-off time of the firework spraying type manufactured by the firework spraying cylinder is 2-5 minutes, especially 2-3 minutes.

The firework gunpowder cylinder is applied to rotary firework and rotary lift-off firework.

Preferably, the setting-off time of the rotary type and the rotary lift-off type fireworks manufactured by the firework gunbarrel is 10-60 seconds, especially 10-20 seconds.

The firework gunpowder cylinder is about 20% heavier than a paper cylinder with the same specification, and does not influence the rotation and lift-off of the rotation type firework and the rotation lift-off type firework.

Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items. When an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Detailed Description

The embodiment 1 is characterized in that a cylinder body and a flame spraying opening of the burning-resistant firework flame spraying cylinder are of an integrated structure formed by compression molding, and the compression molding raw materials comprise, by weight, 50 parts of soil, 4 parts of water, 37 parts of phenolic resin, 18 parts of polyvinyl alcohol and 8 parts of natural resin.

Among the above components, clay is dried and crushed into powder, for example, 80-120 mesh. And then mixing the mixture with other components by a dry method, adding water while stirring, uniformly mixing to form a blank, putting the blank into a mould, pressing and forming at normal temperature, and demoulding to obtain a finished product. The pressurization may be performed using a pressurizing device, such as a 2 ton oil press. The firework gunpowder cylinder finished product can be applied to the gunpowder fireworks.

Examples 2 to 7 differ from example 1 in the composition and weight proportions of the molding materials, as shown in the following table:

50 firework gunpowder barrels prepared by the method are randomly extracted to prepare firework products of the gunpowder type for setting-off experiments.

1) And calculating the set-off time length by taking the period from the start of flame injection to the stop of flame injection in the cylinder as a period, wherein the set-off time length of 100 products is 5 minutes plus or minus 20 seconds. The barrel body after being set off is not found to ignite and burn out.

2) And the light transmittance is detected, wherein the smoke quantity of the product is reduced by about 40 percent compared with the smoke quantity of a paper cylinder with the same specification.

The embodiments of the invention disclosed above are intended only to assist in the description of the invention. The examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, it is therefore intended that the invention be limited only by the claims and the full scope and equivalents thereof, and not by the specific embodiments disclosed.

Claims

1. A burning-resistant firework flaming barrel is characterized in that a barrel body and a flaming port of the firework flaming barrel are of an integrated structure formed by compression molding, raw materials for compression molding comprise, by weight, 40-60 parts of soil, 3-5 parts of water, 10-60 parts of phenolic resin, 15-20 parts of polyvinyl alcohol and 5-10 parts of natural resin, wherein the raw materials further comprise 15-20 parts of perlite powder or saw dust, the weight proportion of the perlite powder or the saw dust is 15-20% of soil, the raw materials are uniformly mixed to form a blank, the blank is placed into a mold to be subjected to compression molding at normal temperature, and the blank is demoulded.

2. The firework gunpowder cylinder according to claim 1, wherein the raw materials for compression molding comprise, by weight, 50 parts of soil, 4 parts of water, 37 parts of phenolic resin, 18 parts of polyvinyl alcohol and 8 parts of natural resin.

3. Use of a firework barrel according to claim 1 or 2 for spraying, rotating and lifting fireworks.

4. The use according to claim 3, wherein the firework barrel is used for producing firework with a firework setting-off time of 2-5 minutes.

5. The use according to claim 4, wherein the firework barrel is used for producing firework with a firework spraying period of 2-3 minutes.

6. The use according to claim 3, wherein the rotary and lift-off fireworks produced by the firework gunbarrel have a setting-off time of 10-60 seconds.