WO2017075890A1

WO2017075890A1 - Cold firework excitation device for cold firework eruption apparatus and cold firework eruption apparatus

Info

Publication number: WO2017075890A1
Application number: PCT/CN2015/099811
Authority: WO
Inventors: 陈江波; 周孝文; 王同祥; 余岭
Original assignee: 陈江波; 周孝文
Priority date: 2015-11-03
Filing date: 2015-12-30
Publication date: 2017-05-11
Also published as: CN105241316B; CN105241316A; EP3372950A4; EP3372950A1; EP3372950B1

Abstract

A cold firework excitation device for a cold firework eruption apparatus and a cold firework eruption apparatus. The cold firework excitation device comprises a heating mechanism (1) for gradually heating metal powder (5) during a conveying process, an ignition mechanism (2) for exciting and igniting the heated metal powder (5) by means of air flow, and an eruption mechanism (3) for erupting the ignited metal powder (5) by using the air flow of the ignition mechanism; an output end of the heating mechanism (1) is communicated with the ignition mechanism (2); an output end of the ignition mechanism (2) is communicated with the eruption mechanism (3); the air flow of the ignition mechanism (2) is outputted towards the eruption mechanism (3); the eruption mechanism (3) is provided with an eruption port (4). By means of the method, the whole process does not require loading of gunpowder, the discharge of the fireworks is safe and does not generate polluted smoke, and after the metal powder is erupted, the metal powder quickly cools down and burns out and does not cause any hidden danger.

Description

Cold fireworks excitation device and cold fireworks ejection device for cold fireworks eruption equipment

Technical field

The present invention relates to the field of cold fire-blasting devices, and more particularly to a cold-fire-fired excitation device for a cold-fire-fire-fired device and a cold-fire-fired device for firing the same.

Background technique

Nowadays, most of the stage performances are set off by the use of cold fireworks to promote the atmosphere of the performance. In terms of achieving the stage effect, it achieved good results.

At present, the cold fireworks fired on the stage are all used in a one-time cold flame tube, and a mixture of gunpowder and metal powder is placed in the cold flame tube and placed in the ignition head device. When the cold flame fire is discharged, the ignition device is controlled by an electrical connection to generate a spark to ignite the gunpowder. The high temperature generated by the combustion of gunpowder ignites the metal powder mixed with it, and the high pressure generated by the combustion of the gunpowder realizes the eruption of the burning metal powder to achieve the effect of cold fire. Due to the presence of gunpowder, there is a certain risk in the production, transportation and discharge of such cold flame tubes. The ignition head device used in this cold flame tube is a dangerous item, which is easy to be disassembled by illegal elements for illegal use and causes a public safety accident. In addition, the cold flame tube generates a relatively strong smoke and a pungent odor when it is discharged, which easily pollutes the environment. There is also a cold flame fire that is fired by such a cold flame tube. It is a one-time discharge, which has many shortcomings such as short fireworks eruption time, uncontrollable fireworks eruption time, and non-recyclable cold flame tube.

Summary of the invention

In view of this, the main object of the present invention is to provide a gunpowder that does not use dangerous, long time of fireworks eruption, and the fireworks eruption time can be manipulated and the cold flame can be recycled. A cold flame fire excitation device and a cold flame fire erupting device for a cold flame fire erupting device.

According to an aspect of the present invention, a cold flame fire excitation device for a cold flame fire ejecting apparatus is provided, comprising a heating mechanism for gradually heating metal powder during conveyance, for exciting the heated metal powder by a gas flow An igniting ignition mechanism and an ejecting mechanism for ejecting the ignited metal powder by the airflow of the ignition mechanism; the output end of the heating mechanism is connected to the ignition mechanism, the output end of the ignition mechanism is connected to the ejecting mechanism; the airflow of the ignition mechanism is output toward the ejecting mechanism; The mechanism has an ejection port.

Further, the heating mechanism includes a conveying passage for conveying the metal powder, a pusher screw disposed in the conveying passage for continuously feeding the metal powder entering the feeding port along the inner wall of the conveying passage, and being closely attached to the ignition mechanism A heating coil that conveys the outer wall surface of the passage and gradually heats the metal powder, and the heating coil is distributed from the feed port toward the ignition mechanism.

Further, the heating ring jacket is provided with a heat insulating sleeve for heat preservation and preventing heat leakage; at least one end of the conveying passage is provided with a heat insulating gasket for heat preservation and preventing heat leakage.

Further, the ignition mechanism includes an ignition portion for communicating with the output end of the heating mechanism and a fan for blasting toward the inside of the ignition portion, and the air flow formed by the fan is used to ignite the heated metal powder and ejected from the ejection port of the ejection mechanism.

Further, the fan uses a fan with adjustable speed to control the eruption height of the cold flame.

Further, the hairspray mechanism includes an outlet pipe that communicates with the output end of the ignition portion; the outlet pipe, the ignition portion, and the fan are on the same axis.

Further, the outlet pipe and the ignition portion are integrally formed as a unitary structure.

Further, the heating mechanism is coupled to a drive mechanism for driving the rotation of the pusher screw.

Further, the heating mechanism, the ignition mechanism and the firing mechanism are mounted on the same support member; the ignition mechanism is disposed coaxially with the firing mechanism, and the heating mechanism is disposed in an axial direction perpendicular to the ignition mechanism and the hair ejection mechanism.

According to another aspect of the present invention, there is also provided a cold flame fire ejecting apparatus comprising the above-described cold fireworks exciting apparatus for a cold flame fire ejecting apparatus.

The invention has the following beneficial effects:

The invention relates to a cold flame fire excitation device for a cold flame fire erupting device, wherein the metal powder is continuously heated during the process of conveying the metal powder by the heating mechanism, so that the temperature of the metal powder is gradually increased during the conveying process; when the metal powder is transported from the heating mechanism To the ignition mechanism, the heated metal powder is excited and ignited by the blast airflow, and the high-temperature metal powder is rapidly burned by the airflow, and is ejected outward through the ejecting port of the ejecting mechanism to form a cold fireworks. The whole process does not need to be loaded with gunpowder, and the safe and non-polluting smoke is generated. The metal powder is quickly cooled and extinguished after being sprayed, and does not cause any safety hazard. As long as the metal powder raw material is abundant, it can be continuously ejected; and it can be repeatedly used for charging and erupting, and can be applied to various indoor and outdoor stages, and even in the home environment.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The invention will now be described in further detail with reference to the drawings.

DRAWINGS

The accompanying drawings, which are incorporated in the claims In the drawing:

1 is a schematic structural view of a cold flame fire excitation device for a cold flame fire erupting apparatus according to a preferred embodiment of the present invention;

2 is a schematic structural view of an ignition mechanism and a hair ejection mechanism for a cold flame fire excitation device according to a preferred embodiment of the present invention;

3 is a schematic view showing the structure of a blanking device for a cold flame fire ejecting apparatus according to a preferred embodiment of the present invention.

Description of the reference signs:

1. Heating mechanism; 101, conveying passage; 102, pushing screw; 103, heating coil; Feeding port; 2, ignition mechanism; 201, ignition part; 202, fan; 3, eruption mechanism; 301, outlet pipe; 4, ejecting port; 5, metal powder; 6, funnel; 61, charging hopper; Control the feeding tube; 63, the feeding roller shaft; 64, the feeding drive motor; 7, the thermal insulation sleeve; 8, the insulating gasket; 9, the driving mechanism; 10, the support member.

detailed description

The present invention will be further described in detail below with reference to the specific embodiments of the invention.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the structure of a cold flame fire excitation device for a cold flame fire erupting apparatus according to a preferred embodiment of the present invention. As shown in FIG. 1, the cold flame fire excitation device for a cold flame fire erupting apparatus of the present embodiment includes a heating mechanism 1 for gradually heating the metal powder 5 during transportation, and is used for heating the metal powder by air flow. 5 igniting the ignition mechanism 2 and the eruption mechanism 3 for ejecting the ignited metal powder 5 by the air flow of the ignition mechanism 2; the output end of the heating mechanism 1 is connected to the ignition mechanism 2, the output end of the ignition mechanism 2 is connected to the ejecting mechanism 3; The airflow of the ignition mechanism 2 is output toward the hairspray mechanism 3; the hairspray mechanism 3 is provided with a hairspray port 4. The cold flame fire excitation device for the cold flame fire erupting device of the present invention continuously heats the metal powder 5 during the process of transporting the metal powder 5 by the heating mechanism 1 to gradually increase the temperature of the metal powder 5 during the transportation; 5 is sent from the heating mechanism 1 to the ignition mechanism 2, and the metal powder 5 after the temperature rise is excited and ignited by the air flow, and the high-temperature metal powder 5 is rapidly burned by the air flow, and is ejected outward through the ejecting port 4 of the ejecting mechanism 3, thereby Form a cold fireworks. That is, the metal powder 5 is gradually heated to a high temperature state (to reach the ignition point) by the heating mechanism 1 during the conveyance, and is ignited by contact with the blast airflow (air), and the ignited metal powder is ejected by the blast airflow. According to this, the whole process does not need to be loaded with gunpowder, and the safe and non-polluting smoke is generated. The metal powder 5 is quickly cooled and extinguished after being sprayed, and does not cause any safety hazard. As long as the metal powder 5 is abundant in raw materials, it can be continuously ejected; and it can be repeatedly used for charging and erupting, and can be applied to various indoor and outdoor stages and even indoor environments. The metal powder 5 is formed by mixing and mixing metal powder having a low ignition point at a certain ratio. Preferably, the metal powder 5 is made of at least one of aluminum, iron, barium, magnesium, calcium, zirconium, copper, and titanium. The metal powder 5 is made of at least one metal compound powder of aluminum, iron, barium, magnesium, calcium, zirconium, copper, and titanium. Alternatively, the metal powder 5 may also be a mixed powder in which the above metal powder is mixed with the above metal compound.

As shown in FIG. 1, in the present embodiment, the heating mechanism 1 includes a conveying passage 101 for conveying the metal powder 5, and a metal powder 5 provided in the conveying passage 101 for entering the feeding port 104 along the conveying passage 101. The inner wall faces the pusher screw 102 continuously pushed by the ignition mechanism 2, and the heating coil 103 which is in close contact with the outer wall surface of the conveying path 101 and gradually heats the metal powder 5. A metal powder 5 feed passage from the feed port 104 to the ignition mechanism 2 is formed by the conveying passage 101. The pushing force of the metal powder 5 is formed by the rotation of the pusher screw 102, and the metal powder 5 is forced to adhere to the inner wall surface of the conveying path 101 at all times, and is evenly distributed, so that the heating ring 103 on the outer wall surface of the conveying path 101 can The metal powder 5 is uniformly heated. The heating coil 103 is distributed from the feed port 104 toward the ignition mechanism 2. The metal powder 5 can be continuously heated. Alternatively, the outer diameter of the pusher screw 102 may be the same size as the inner wall surface of the conveying passage 101, so that the metal powder 5 can be uniformly distributed in the respective grooves of the screw structure, thereby obtaining sufficient heating. Alternatively, the outer diameter of the pusher screw 102 may be smaller than the inner wall surface of the conveying passage 101, so that the metal powder 5 around the pusher screw 102 has a larger capacity, thereby forming a larger amount of erupting effect.

As shown in FIG. 1, in the present embodiment, the heating ring 103 is provided with a heat insulating sleeve 7 for heat preservation and heat leakage prevention. At least one end of the conveying passage 101 is provided with a heat insulating gasket 8 for heat preservation and prevention of heat leakage.

In addition, FIG. 2 is a schematic structural view of an ignition mechanism and an ejecting mechanism for a cold flame fire excitation device according to a preferred embodiment of the present invention.

As shown in FIG. 1 and FIG. 2, in the present embodiment, the ignition mechanism 2 includes an ignition portion 201 for communicating with the output end of the heating mechanism 1, and a fan 202 for blowing air toward the ignition portion 201. The airflow formed by the fan 202 will be The heated metal powder 5 is ignited and ejected from the ejection opening 4 of the ejecting mechanism 3. The high-temperature metal powder 5 is excited by the blast airflow of the blower 202, so that the high-temperature metal powder 5 is rapidly burned to form a cold fireworks. Optionally, the fan port 203 between the fan 202 and the ignition portion 201 is provided with a fan port heat insulating gasket a to prevent heat from being transmitted to the fan and causing a problem that the fan has a reduced service life due to continuous high heat. This implementation In the example, the fan 202 can be a hot air blower, which can effectively reduce the cooling rate of the metal powder 5 and improve the jetting effect of the cold fireworks.

As shown in FIG. 1 and FIG. 2, in the embodiment, the fan 202 adopts a fan with adjustable speed to control the eruption height of the cold flame.

As shown in FIG. 1 and FIG. 2, in the present embodiment, the hairspray mechanism 3 includes an outlet pipe 301. The outlet pipe 301 is in communication with the output end (upper end) of the ignition portion 201. The outlet pipe 301, the ignition portion 201, and the blower 202 are on the same axis. Therefore, the airflow outputted by the fan 202 can be transmitted in a straight line, and the output power of the fan 202 can be reduced, and the eruption effect of the cold fireworks can be improved. Optionally, an outlet insulating gasket b is provided at the outlet of the outlet pipe 301 to reduce the temperature at which the outlet pipe 301 ejects the fireworks, while also preventing the heat of the ignition mechanism 2 from being transferred outward.

As shown in FIG. 1 and FIG. 2, in the present embodiment, the outlet pipe 301 and the ignition portion 201 are integrally formed as a whole. The structure is simple and the structure is better.

As shown in Fig. 1, in the present embodiment, the heating mechanism 1 is connected to a drive mechanism 9 for driving the rotation of the pusher screw 102.

As shown in FIG. 1, in the present embodiment, the heating mechanism 1, the ignition mechanism 2, and the ejecting mechanism 3 are mounted on the same support member 10. The ignition mechanism 2 is arranged coaxially with the firing mechanism 3. To improve the jet effect of cold fireworks. The heating mechanism 1 is arranged in an axial direction perpendicular to the ignition mechanism 2 and the hair ejection mechanism 3. It is better to transport the heated metal powder 5, to ignite the ignited metal powder 5, and to eject the excited metal powder 5 after ignition.

In addition, FIG. 3 is a schematic structural view of a blanking device for a cold flame fire ejecting apparatus according to a preferred embodiment of the present invention.

As shown in FIG. 3, in the cold flame-fire erupting apparatus of the present invention, as a blanking device for feeding the conveying passage 101 to the heating mechanism 1, it is preferable to use, in addition to the funnel 6 for the metal powder 5 blanking, The metal powder 5 is stored and the charging hopper 61 of the metal powder 5 is loaded into the funnel 6, and a metal powder 5 for charging the inside of the hopper 61 by circumferential rotation is provided between the lower portion of the charging hopper 61 and the upper portion of the funnel 6. The rotary cutting mechanism is continuously pushed into the funnel 6. The rotary unloading mechanism is mounted on the charging hopper 61. The output end of the rotary unloading mechanism faces the funnel 6, and the output end of the funnel 6 communicates with the heating mechanism 1. In addition, the rotating blanking mechanism is included for The control discharge pipe 62 connecting the charging hopper 61 and the funnel 6 is axially arranged along the control lowering pipe 62 in the inner cavity of the control lowering pipe 62 and is used for continuously feeding the metal powder 5 in the charging hopper 61 to the funnel by rotation. A blanking roller shaft 63 in 6 and a blanking drive motor 64 for driving the rotation of the lowering roller shaft 63. The surface of the lower roll shaft 63 is provided with a continuous spiral blanking configuration and/or a continuous spiral blanking configuration. The blanking roller shaft 63 is driven by the blanking drive motor 64 to rotate in the metal powder 5 in the charging hopper 61. The surface of the blanking roller shaft 63 is used to drive the metal powder 5 into the funnel 6 by controlling the lowering pipe 62. Thereby, the blanking of the metal powder 5 is completed. The amount of metal powder 5 to be fed can be controlled by controlling the gap between the lowering roller shaft 63 and the controlled lowering pipe 62. The blanking speed of the metal powder 5 can be controlled by the rotational speed of the blanking roller shaft 63. Optionally, the blanking drive motor 64 employs a motor with an adjustable output speed. By changing the output rotational speed of the motor, the rotational speed of the lowering roller shaft 63 is controlled, thereby controlling the blanking speed and the amount of the metal powder 5 to change the effect of the cold flame fire erupting.

The cold flame fire erupting apparatus of the present embodiment includes the above-described cold flame fire exciting device for a cold flame fire ejecting apparatus.

According to the cold flame fire erupting apparatus of the present invention, the metal powder 5 discharged by the blanking device is uniformly and continuously dispersed in the surface of the pusher screw 102 and the thread groove through the funnel 6 to increase the metal powder 5 and the heating device (heating ring) The contact area of 103) and the heat insulating effect of the heat insulating sleeve 7 outside the heating ring 103 can make the temperature in the heating region of the pusher screw 102 constant, thus ensuring that the metal powder 5 can be sufficiently ignited. Thereby, the problem that the metal powder 5 cannot be sufficiently ignited is solved.

The screw structure of the push screw 102 and the uniform rotation speed of the feed drive motor (the drive mechanism 9) can uniformly and continuously push the metal powder 5 which is slid down by the feed opening 104 opened in the transport passage 101 into the heating device. By controlling the gap between the pusher screw 102 and the conveying passage 101 and controlling the rotation speed of the pushing screw 102, the uniformity and continuity of pushing the metal powder 5 by the pusher screw 102 can be controlled, thereby controlling the stability of the flame. And continuity. Therefore, the problem of unstable and discontinuous flames during the eruption of the cold flame fire erupting device is solved.

The heat insulating sleeve 7 and the screw heat insulating gasket (insulating gasket 8) using the heating ring 103 can seal the heat of heating of the heating ring 103 in the cavity formed by the heat insulating sleeve 7 and the screw insulating gasket a, not only ensuring pushing The temperature in the heating zone on the screw rod 102 is constant, and the heat can be eliminated Passing other areas for insulation. Thereby solving the problem of heat insulation when the cold flame device is heated.

When the ignited metal powder 5 reaches the outlet pipe 301, the metal temperature 5 is extinguished when the cooling temperature is lowered, which affects the state and appearance of the flame. Therefore, the fan port heat insulating gasket a and the outlet heat insulating gasket b are disposed at both ends of the outlet pipe 301 of the cold flame device, and the fan port heat insulating gasket a and the outlet heat insulating gasket b are made of heat-resistant insulating material to prevent heat transfer. It can be insulated to other areas, and at the same time, the temperature inside the outlet pipe 301 can be kept constant, and the ignited metal powder 5 can be prevented from being extinguished by cold. Thereby solving the problem that the flame is cold and extinguished when the cold fireworks device is ejected.

The specific embodiments of the present invention have been described in detail, and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

Cold fire fire excitation device for cold fireworks eruption device, characterized in that

The cold flame fire excitation device includes: a heating mechanism (1) for gradually heating the metal powder (5) during transportation, and an ignition mechanism for exciting the heated metal powder (5) by air flow ( 2) and an ejecting mechanism (3) for ejecting the ignited metal powder (5) by the air flow of the ignition mechanism (2);

An output end of the heating mechanism (1) is connected to the ignition mechanism (2),

The output end of the ignition mechanism (2) is connected to the hairspray mechanism (3);

The airflow of the ignition mechanism (2) is output toward the hairspray mechanism (3);

The hairspray mechanism (3) is provided with a hairspray port (4).
A cold flame fire excitation device for a cold flame fire erupting apparatus according to claim 1, wherein

The heating mechanism (1) includes a conveying passage (101) for conveying the metal powder (5), and the metal powder provided in the conveying passage (101) for entering the feeding port (104) (5) a pusher screw (102) continuously pushed along the inner wall of the conveying passage (101) facing the ignition mechanism (2) and abutting against the outer wall surface of the conveying passage (101) and the metal Powder (5) gradually heated heating coil (103),

The heating coil (103) is distributed from the feed port (104) toward the ignition mechanism (2).
A cold flame fire excitation device for a cold flame fire erupting apparatus according to claim 2, wherein

The heating ring (103) is provided with a heat insulating sleeve (7) for heat preservation and preventing heat leakage;

At least one end of the conveying passage (101) is provided with a heat insulating gasket (8) for heat preservation and prevention of heat leakage.
A cold flame fire excitation device for a cold flame fire erupting apparatus according to claim 1, wherein

The ignition mechanism (2) includes an ignition portion (201) for communicating with an output end of the heating mechanism (1) and a fan (202) for blowing air toward the ignition portion (201), using the fan ( 202) The formed gas stream is ejected from the ejecting port (4) of the ejecting mechanism (3) after the heated metal powder (5) is excited and ignited.
A cold flame fire excitation device for a cold flame fire erupting apparatus according to claim 4, wherein

The fan (202) uses a fan with adjustable speed to control the eruption height of the cold flame.
A cold flame fire excitation device for a cold flame fire erupting apparatus according to claim 4, wherein

The hairspray mechanism (3) includes an outlet tube (301),

The outlet pipe (301) is in communication with an output end of the ignition portion (201);

The outlet pipe (301), the ignition portion (201) and the fan (202) are on the same axis.
A cold flame fire excitation device for a cold flame fire erupting apparatus according to claim 6, wherein

The outlet pipe (301) and the ignition portion (201) are integrally formed as a unitary structure.
A cold flame fire excitation device for a cold flame fire erupting apparatus according to claim 2, wherein

The heating mechanism (1) is coupled to a drive mechanism (9) for driving the rotation of the pusher screw (102).
A cold flame fire excitation device for a cold flame fire erupting apparatus according to any one of claims 1 to 8, wherein

The heating mechanism (1), the ignition mechanism (2), and the hairspray mechanism (3) are installed On the same support member (10);

The ignition mechanism (2) is disposed coaxially with the hairspray mechanism (3),

The heating mechanism (1) is arranged in an axial direction perpendicular to the ignition mechanism (2) and the hairspray mechanism (3).
A cold flame fire erupting apparatus comprising the cold flame fire excitation device for a cold flame fire erupting apparatus according to any one of claims 1 to 9.