CN111828964A - A hot air balloon burner integral fire-breathing assembly - Google Patents

Abstract

The invention discloses an integral fire-breathing component of a hot air balloon burner, comprising an outer cover, a combustion disc, a spiral vaporization tube, a communication tube, a first valve, a long-open flame nozzle and an igniter, and the combustion disc includes an upper disc body and a lower disc body , the upper disc body is machined to form a first annular groove, the upper disc body is machined to form a plurality of fire injection holes; the lower disc body is machined to form a second annular groove, which together with the first annular groove forms a gas channel, and the upper disc body is machined to form a second annular groove. The ends of the joint seam between the disc body and the lower disc body are sealed by welding; the combustion disc is machined to form a gas inlet that communicates with the gas passage. The invention divides the combustion plate into two plate structures, the upper plate body and the lower plate body, so that the upper plate body and the lower plate body are not easily deformed after welding, and the first annular groove and the first annular groove of the fire injection hole, the gas channel and the second plate body are not easily deformed after welding. The two annular grooves are formed by machining, which ensures that the fire angle of the fire hole meets the design requirements and the structure is safe and reliable.

Description

A hot air balloon burner integral fire-breathing assembly

technical field

The invention belongs to the field of hot air balloons, and more particularly, relates to an integral fire-breathing assembly of a hot air balloon burner.

Background technique

A hot air balloon is a balloon that uses hot air as the buoyant gas. At the bottom of the balloon there is a burner for cooling air heating. When the air in the balloon is heated, the density decreases, forming a pressure difference between the inside and outside, so the balloon rises; when it lifts from the ground, the burner is ignited to heat the cold air inside the balloon. After taking off for flight, control the fire of the burner to control the ascent or descent of the balloon.

Nowadays, flying by hot air balloon has become a favorite aviation sport. In addition, hot air balloons are often used for aerial photography and air travel. Hot air balloons cater to the modern fashion of modern people who are seeking innovation, change and excitement. Its dazzling colors and grand scenes are strongly attractive to most people, because hot air ballooning combines sports, entertainment, adventure, tourism, advertising. Multiple functions such as publishing make it a good carrier for the "eyeball economy".

Up to now, the main components of hot air balloons are still composed of balloons, gas cylinders, burners and gondolas. As the only device that provides power in the entire assembly, the burner is a core component; the combustion disc, nozzle connector and high-pressure nozzle make up the flame-throwing assembly, which is the core part of the burner. At present, the combustion plate is generally surrounded by a metal tube to form a ring, and then the two ends of the metal tube are welded together, and the nozzle connector is also welded on the metal tube and then connected to the high-pressure nozzle, and the metal tube is easy to cool after welding. deformation, and the nozzle connector is easily displaced during the cooling process after welding on the metal tube, which will lead to the displacement of the high-pressure nozzle during the cooling process after welding, so that the position of the flame sprayed out in actual operation is inaccurate , the convergence effect of the flame is not good, the combustion heat efficiency of the combustion plate is low, resulting in a waste of gas.

SUMMARY OF THE INVENTION

Aiming at the above defects or improvement needs of the prior art, the present invention provides an integral fire-breathing assembly for a hot air balloon burner. By adopting a disk structure for the upper disk body and the lower disk body, the area and volume are large, and the Effectively overcome the welding deformation of the traditional metal tube, so that the position of the fire hole can be kept as consistent as possible with the design position, so that the flame of each fire hole can be sprayed out according to the designed path, and the flame can be efficiently converged, thereby providing the best possible hot air balloon. Possibly more caloric value.

In order to achieve the above object, according to one aspect of the present invention, there is provided a hot air balloon burner integral flame injection assembly, which is characterized in that it includes an outer cover, a combustion disc, a spiral vaporization pipe, a communication pipe, a first valve, and a permanent flame nozzle. and the igniter, where:

The combustion disc is in the shape of a circular ring as a whole, and is installed in the outer cover. The combustion disc includes an upper disc body and a lower disc body. The upper disc body is machined to form a first annular groove and a plurality of fire holes. , these jetting holes are evenly arranged on the upper plate in the circumferential direction, each of the jetting holes is communicated with the first annular groove respectively, and the centerlines of the jetting holes are distributed on the upper and lower sides. A second annular groove is formed by machining the lower plate body at a position corresponding to the first annular groove, and the upper plate body and the lower plate body fit together, so that the first annular groove An annular groove and the second annular groove together form the gas passage of the combustion plate, and the ends of the joint seam between the upper plate body and the lower plate body are sealed by welding, so as to seal the upper plate body and the lower plate body by welding. The disc body and the lower disc body are fixedly connected together to prevent air leakage;

A gas inlet communicated with the gas channel is formed on the combustion plate by machining;

The spiral vaporization pipe is installed on the outer cover, the first valve is installed at the bottom of the outer cover, and there are two communication pipes, which are a first communication pipe and a second communication pipe. The air inlet of the valve is connected with one end of the first communication pipe, the air outlet of the first valve is connected with the air inlet of the spiral vaporization pipe through the first pipeline, and the air outlet of the spiral vaporization pipe is connected to the air inlet of the spiral vaporization pipe. The gas inlet on the combustion plate is connected, the long-open fire nozzle is installed in the outer cover, and the combustion plate surrounds the long-open fire nozzle, and the long-open fire nozzle is connected to the second pipe through a second pipeline. The communication pipe is connected, and the igniter is installed in the outer cover for igniting the gas ejected from the long-open flame nozzle.

Preferably, the fire-breathing hole includes a circular frustum-shaped hole with a small upper part and a large lower part.

Preferably, the fire-firing hole further comprises a first circular hole and a second circular hole, the centerlines of the first circular hole, the circular frustum-shaped hole and the second circular hole are on the same line and they are arranged in sequence from top to bottom, so The diameter of the first circular hole is equal to the diameter of the small end of the truncated circular hole, and the diameter of the second circular hole is equal to the diameter of the large end of the circular truncated hole.

Preferably, the upper plate body and the lower plate body are connected by tenon joint.

Preferably, the first valve is a manual valve.

Preferably, each of the communication pipes is provided with a second valve respectively.

Preferably, it also includes an emergency fire sprinkler head, the combustion disc surrounds the emergency fire sprinkler head, the emergency fire sprinkler head is connected to the first pipeline through a third pipeline, and a control valve is provided on the third pipeline , an emergency ignition device is also arranged in the outer cover at a position corresponding to the emergency nozzle.

In general, compared with the prior art, the above technical solutions conceived by the present invention can achieve the following beneficial effects:

1) The present invention improves the traditional combustion plate structure in the form of metal tubes, and divides the combustion plate into two plate structures: the upper plate body and the lower plate body, so that the area and volume of the combustion plate can be effectively increased, and the upper plate body and the lower plate body can be effectively increased. The disc body and the lower disc body are not easily deformed after welding, and the first annular groove and the second annular groove of the jetting hole and the gas channel are formed by machining. The above measures can ensure the same performance of the jetting hole. The axis and fire angle meet the design requirements, and the assembly and maintenance are very simple. In addition, the joint seam between the upper plate body and the lower plate body of the combustion plate is sealed by welding, which effectively avoids air leakage of the combustion plate, and has a safe and reliable structure.

2) The fire injection hole of the present invention has a circular truncated hole with a small top and a large bottom, and the circular truncated hole has a convergence effect from bottom to top, which can allow the flame to be sprayed out at high pressure, so that the spray height of the flame meets the design requirements.

Description of drawings

Fig. 1 is the front view of the present invention;

Fig. 2 is the top view of the present invention;

Fig. 3 is the top view of the combustion plate in the present invention;

FIG. 4 is a schematic view of the flame injection holes arranged on the combustion disc in the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

As shown in Figures 1 to 4, a hot air balloon burner integral flame injection assembly includes an outer cover 2, a combustion disc 7, a spiral vaporization pipe 1, a communication pipe 3, a first valve 5, a constant flame nozzle 61 and an igniter 6, of which:

The combustion disc 7 is in the shape of a circular ring as a whole and is installed in the outer cover 2. The combustion disc 7 includes two disc structures, an upper disc body 71 and a lower disc body 72. The upper disc body 71 is mechanically A first annular groove and a plurality of fire injection holes 8 are formed by machining, and these fire injection holes 8 are evenly arranged on the upper plate body 71 in the circumferential direction, and each of the fire injection holes 8 is respectively communicated with the first annular groove, And the center lines of these fire-injection holes 8 are distributed on a conical surface with a small upper and a lower large, so as to facilitate the convergence of the flames after ignition and improve the combustion efficiency; the lower disk body 72 is corresponding to the first The position of an annular groove is formed by machining to form a second annular groove, and the upper plate body 71 and the lower plate body 72 are attached together, so that the first annular groove and the second annular groove together form the In the gas channel 9 of the combustion plate 7, the ends of the joint seam between the upper plate body 71 and the lower plate body 72 are sealed by welding, so that the upper plate body 71 and the lower plate body 72 are fixedly connected together and prevent air leakage; after the first surface of the upper plate body 71 with the first annular groove is attached to the second surface of the lower plate body 72 with the second annular groove, it is necessary to ensure that the gap (joint seam) at the joint cannot be If it is too large, these are not conducive to welding and sealing the seam, and both the first surface and the second surface are machined to form a relatively flat surface. All the surfaces used for bonding on the upper plate body 71 and the lower plate body 72 are machined into relatively flat surfaces. The overall principle is to facilitate welding to seal the surface of the combustion plate 7 to prevent air leakage. .

The combustion plate 7 is machined to form a gas inlet 73 that communicates with the gas channel 9. The gas inlet 73 can be on the upper plate 71, or the lower plate 72, or the upper plate 71 and the lower plate. 72 are equipped with gas inlet 73;

The first valve 5 is installed at the bottom of the housing 2; preferably, the first valve 5 is a manual valve, which has a control handle 4, which can quickly control the intake air volume of the first valve 5 by manual operation.

The communicating pipe 3 is provided with two, which are the first communicating pipe and the second communicating pipe respectively;

The spiral vaporization pipe 1 is installed on the outer cover 2, the air inlet of the first valve 5 is connected to one end of the first communication pipe, and the air outlet of the first valve 5 is connected with the first pipeline through the first pipeline. The air inlet of the spiral vaporization pipe 1 is connected, and the air outlet of the spiral vaporization pipe 1 is connected with the gas inlet 73 on the combustion plate 7; if there are two gas inlets 73, the spiral vaporization pipe 1 should also be set It is divided into two pieces, each spiral vaporizing tube 1 is connected to a gas inlet 73 respectively. The size and specification of the two spiral vaporizing tubes 1 are the same, and they are fixedly connected together by steel bars. One of the spiral vaporizing tubes 1 is embedded in the other spiral vaporizing tube. in the spiral gap of tube 1.

The long-open fire nozzle 61 is installed in the outer cover 2, and the combustion plate 7 surrounds the long-open fire nozzle 61, and the long-open fire nozzle 61 is connected with the second communication pipe through the second pipeline, so The igniter 6 is installed in the housing 2 for igniting the gas ejected from the long-open flame nozzle 61 . . The long-term fire nozzle 61 burns for a long time during operation, and the gas consumption is small, and is used to ignite the fuel ejected from the fire nozzle 8. After the fire nozzle 8 is ignited by the long fire, the gas in the balloon is heated, so that the hot air balloon can generate lift. achieve flight.

Further, the fire injection hole 8 includes a circular truncated hole 82 with a small top and a large bottom. The circular truncated hole 82 has a converging effect from bottom to top, which can allow the flame to be sprayed out at high pressure, so that the spray height of the flame meets the design requirements.

Further, the fire jet hole 8 also includes a first circular hole 81 and a second circular hole 83, the center lines of the first circular hole 81, the frustum-shaped hole 82 and the second circular hole 83 are the same line and they are from top to bottom Arranged in sequence, the diameter of the first circular hole 81 is equal to the diameter of the small end of the truncated circular hole 82 , and the diameter of the second circular hole 83 is the same as the diameter of the large end of the circular truncated hole 82 . The first round hole 81 allows the gas to enter into the jetting hole 8 gently and mix with the air, which has a certain guiding effect on the gas. certain guiding role.

Further, the upper plate body 71 and the lower plate body 72 are connected by tenon joint, which is convenient for alignment and positioning, and the connection is reliable, which is also conducive to reducing deformation before and after welding.

Further, each of the communication pipes 3 is respectively provided with a second valve. The communication pipe 3 is used to communicate with another burner, and by setting the second valve, the two burners that can be kept in communication work independently.

Further, it also includes an emergency fire sprinkler, the combustion disc 7 surrounds the emergency fire sprinkler, the emergency fire sprinkler is connected to the first pipeline through a third pipeline, and a control valve is provided on the third pipeline The outer cover 2 is also provided with an emergency ignition device at the position corresponding to the emergency nozzle. The emergency fire nozzle can spray gas after the fire of the long-open fire nozzle 61 is extinguished, and the gas can be ignited, which has an emergency effect.

Further, the number of the jetting holes 8 is 6 to 12, preferably 8. Since the number of the fire holes 8 is small, the hole diameter can be set relatively large, which is convenient for rapid mixing with air and quick ignition by the ignition seat 6. These number of fire holes 8 can satisfy the flight of ordinary hot air balloons.

The present invention uses a gas cylinder to supply gas for the ever-opening fire nozzle 61 and the combustion plate 7 at the same time, the gas cylinder is divided into a first part and a second part to store fuel, and both the first part and the second part in the gas cylinder are provided with gas The bottle valve, wherein the gas bottle valve on the first part is connected with the first communication pipe through a pipeline to provide fuel for the combustion plate 7 and the emergency fire nozzle, and the gas bottle valve on the second part is connected with the second communication pipe through a pipeline, which is a long Open flame sprinklers provide fuel.

When preparing to fly, open the gas cylinder valve on the gas cylinder in the gondola, the fuel enters the second communication pipe from the pipeline and enters the long-open fire nozzle 61, and the igniter 6 can ignite the gas ejected in the long-open fire nozzle 61 to form a long fire. The open flame enables the continuous and stable combustion of the long-open fire; at the same time, the fuel enters the first communication pipe from the pipeline and enters the spiral vaporization pipe 1 to be vaporized through the first valve 5, and then enters the combustion plate 7, and is ignited by the long-open fire. The fuel gas can be directly ignited in the flame injection hole 8 , and the flame is directly sprayed from the flame injection hole 8 . The Changming Fire can also heat the spiral vaporization tube 1, so that the fuel in the spiral vaporization tube 1 is rapidly vaporized and expanded, and the flame ejection speed from the fire nozzle 8 is increased, so that the gas is fully mixed with the air and burns violently, and the air in the balloon is heated. Heating causes it to generate lift, which powers the balloon to fly.

Those skilled in the art can easily understand that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention, etc., All should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides an integral subassembly that spouts fire of hot air balloon combustor which characterized in that, includes dustcoat, burning dish, spiral vaporization pipe, communicating pipe, first valve, ever-burning flame shower nozzle and ignition ware, wherein:

the combustion disc is integrally annular and is arranged in the outer cover, the combustion disc comprises an upper disc body and a lower disc body, a first annular groove and a plurality of flame-spraying holes are formed in the upper disc body through machining, the flame-spraying holes are uniformly arranged on the upper disc body in the circumferential direction, each flame-spraying hole is communicated with the first annular groove, and the center lines of the flame-spraying holes are distributed on a conical surface which is small at the top and large at the bottom; the lower disc body is provided with a second annular groove corresponding to the first annular groove through machining, the upper disc body is attached to the lower disc body, so that the first annular groove and the second annular groove jointly form a gas channel of the combustion disc, and the end parts of the joint seam of the upper disc body and the lower disc body are sealed in a welding mode to fixedly connect the upper disc body and the lower disc body together and prevent gas leakage;

a fuel gas inlet communicated with the fuel gas channel is formed on the combustion disc through machining;

the utility model discloses a burner, including outer cover, spiral vaporization pipe, first valve, first pipeline, combustion disc, fire door, fire dish, fire door, fire point ware, spiral vaporization pipe installs on the outer cover, first valve is installed the bottom of dustcoat, communicating pipe is provided with two, is first communicating pipe and second communicating pipe respectively, the air inlet of first valve with the one end of first communicating pipe is connected, the gas outlet of first valve through first pipeline with the air inlet of spiral vaporization pipe is connected, the gas outlet of spiral vaporization pipe with gas access connection on the combustion disc, the fire door is installed in the dustcoat, and the combustion disc surrounds the fire door, the fire door passes through the second pipeline with the second communicating pipe is connected, some firearm is installed in the dustcoat.

2. The integral fire spray assembly of a fire balloon burner as claimed in claim 1, wherein the fire spray hole comprises a frustoconical hole with a smaller top and a larger bottom.

3. The integral fire spraying assembly of the fire balloon burner as claimed in claim 2, wherein the fire spraying holes further comprise a first round hole and a second round hole, the central lines of the first round hole, the circular truncated cone-shaped hole and the second round hole are collinear and are sequentially arranged from top to bottom, the diameter of the first round hole is equal to that of the small end of the circular truncated cone-shaped hole, and the diameter of the second round hole is equal to that of the large end of the circular truncated cone-shaped hole.

4. A fire integral type fire spray assembly for a fire balloon burner as claimed in claim 1, wherein the upper plate is connected to the lower plate by a dovetail joint.

5. A fire balloon burner integrated fire spray assembly as claimed in claim 1, wherein said first valve is a manual valve.

6. A fire integral type fire spray assembly for a fire balloon burner as claimed in claim 1, wherein each of said communicating tubes is provided with a second valve.

7. The integral fire spray assembly of a fire balloon burner as claimed in claim 1, further comprising an emergency fire nozzle, wherein the fire disk surrounds the emergency fire nozzle, the emergency fire nozzle is connected to the first pipeline through a third pipeline, a control valve is arranged on the third pipeline, and an emergency ignition device is arranged in the housing at a position corresponding to the emergency nozzle.

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