CN220287431U

CN220287431U - Integral gas burner

Info

Publication number: CN220287431U
Application number: CN202322001151.6U
Authority: CN
Inventors: 陈震东; 徐立群; 谢宝强; 黄小红; 肖芝荷; 罗道良; 戚友; 蔡正熙
Original assignee: Guangdong Nan Xing Tianhong Nuts Products Co ltd
Current assignee: Guangdong Nan Xing Tianhong Nuts Products Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-01-02
Anticipated expiration: 2033-07-27

Abstract

The utility model discloses an integral gas burner, which relates to the technical field of burners and comprises a fire outlet cylinder, wherein the fire outlet cylinder is connected with an air input port and a gas input port; a gas nozzle is arranged in the fire outlet cylinder, the gas nozzle comprises a gas pipe, the rear side of the gas pipe is communicated with the gas input port, and the front side of the gas pipe is provided with a nozzle part and a mixing cone cylinder; the fire outlet cylinder is provided with a fire outlet cylinder axis, and an air guide plate is arranged between the mixing cone cylinder and the fuel gas input port; through adopting the air guide plate design on the gas nozzle in going out the fire section of thick bamboo, combustion-supporting air is after getting into out the fire section of thick bamboo, before getting into mixed cone section of thick bamboo, can form whirl gas reentrant mixed cone section of thick bamboo through the air guide plate guide, and then reduce the turbulent flow, not only reduce the noise that goes out the fire section of thick bamboo and produce, also make gas and air mix and improved efficiency and stability, improve the stability of the whole operation of gas burner.

Description

Integral gas burner

Technical Field

The utility model relates to the technical field of combustors, in particular to an integral gas combustor.

Background

Currently, the burner is widely applied, and the burner comprises the fields of incinerator, smelting furnace, ceramic kiln, forging furnace, smelting furnace, heat treatment and the like. While a gas burner is one of the commonly used burners, it allows for stable combustion of gas and air, either alone or in combination, into the combustion zone. Wherein the fuel gas comprises acetylene, natural gas or propane.

In actual work, the gas burner is required to improve firepower, and is mainly realized by increasing gas and air flow, and once the air flow is improved to a certain threshold value, turbulent flow phenomenon is easy to occur at the position where gas and air meet, so that not only is the fire outlet cylinder caused to produce larger noise, but also the efficiency and stability of mixing of gas and air are affected, and the running stability of the gas burner is further affected.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes an integral gas burner.

The technical scheme adopted for solving the technical problems is as follows: the integral gas burner comprises a fire outlet cylinder, wherein the fire outlet cylinder is connected with an air input port and a gas input port; a gas nozzle is arranged in the fire outlet cylinder, the gas nozzle comprises a gas pipe, the rear side of the gas pipe is communicated with the gas input port, the front side of the gas pipe is provided with a nozzle part and a mixing cone cylinder, and the nozzle part is positioned in the mixing cone cylinder; the fire outlet cylinder is provided with a fire outlet cylinder axis, a gas guide plate is arranged between the mixing cone cylinder and the gas input port, and an included angle a is formed between the gas guide plate and the fire outlet cylinder axis.

According to the gas burner provided by the utility model, the gas guide plate is adopted on the gas nozzle in the fire outlet cylinder, so that the gas burner has at least the following technical effects: after entering the fire outlet cylinder and before entering the mixing cone cylinder, the combustion air can be guided by the air guide plate to form rotational flow gas to enter the mixing cone cylinder again, so that turbulence is reduced, noise generated by the fire outlet cylinder is reduced, the mixing of fuel gas and air is improved in efficiency and stability, and the overall operation stability of the fuel gas burner is improved.

As some preferred embodiments of the utility model, a mounting ring is arranged outside the gas pipe, and the gas guide plate is connected with the outer side of the mounting ring.

As some preferred embodiments of the utility model, the gas pipe is provided with a protrusion outside, and the protrusion is used for clamping the inner side position of the mounting ring.

As some preferred embodiments of the utility model, the rear side of the gas pipe is provided with a nozzle mounting seat.

As some preferred embodiments of the utility model, the nozzle mounting seat is provided with an ion probe and an ignition electrode, and the ion probe and the ignition electrode extend forwards into the mixing cone.

As some preferred embodiments of the present utility model, a guide ring is disposed between the nozzle mount and the mixing cone, for guiding the ion probe and the ignition electrode to extend forward into the mixing cone, and the guide ring has a trapezoidal cone shape.

As some preferred embodiments of the present utility model, the ion probe and the ignition electrode are provided with an insulating protective layer.

As some preferred embodiments of the utility model, the front side of the mixing cone is provided with a supporting convex point.

As some preferred embodiments of the utility model, the air inlet device further comprises a combustion fan, wherein the combustion fan is connected with the air inlet, and a wind pressure switch is arranged on the combustion fan.

As some preferred embodiments of the present utility model, a gas switching electromagnetic valve is disposed on the gas input port, and a low-pressure switch is disposed on the gas switching electromagnetic valve.

The beneficial effects of the utility model are as follows: through the design of installing the air guide plate additional at the gas nozzle, make combustion-supporting air after getting into out the firebox, before getting into mixed cone, can guide through the air guide plate and form whirl gas reentrant mixed cone, and then reduce the turbulent flow, not only reduce the noise that goes out the firebox and produce, also make gas and air mix and improved efficiency and stability, improve the stability of gas burner overall operation.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a perspective view of an integrated gas burner of the present utility model;

FIG. 2 is a schematic view of the installation of a gas nozzle in the fire tube of the present utility model;

fig. 3 is a perspective view of a gas nozzle according to the present utility model.

Reference numerals:

a fire tube 100, an air input 110, a fuel gas input 120; the gas nozzle 200, the gas pipe 210, the nozzle part 220, the mixing cone 230, the supporting convex tip 231, the gas guide plate 240, the mounting ring 241, the nozzle mounting seat 250, the ion probe 260, the ignition electrode 270 and the guide ring 280; a combustion fan 300 and a wind pressure switch 310; a gas switch solenoid valve 400, a low pressure switch 410.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Fig. 1 is a perspective view of the present utility model, and referring to fig. 1, an embodiment of the present utility model provides an integrated gas burner, which is widely used in the fields of home, business and industry, in which gas is injected into the burner to be mixed with air, and then is ignited by an ignition device to be burned to provide heat energy.

Further, the gas burner of the present utility model includes a flame tube 100, the flame tube 100 is connected with an air input port 110 and a gas input port 120, and air input from the air input port 110 and gas input from the gas input port 120 are mixed in the flame tube 100.

Still further, referring to fig. 2, a gas nozzle 200 is provided in the flame tube 100. The gas nozzle 200 includes a gas pipe 210. The rear side of the gas pipe 210 is communicated with the gas input port 120, and the gas input from the gas input port 120 is sent to the front side of the gas pipe 210 after entering the gas pipe 210. The gas pipe 210 is provided at a front side thereof with a nozzle part 220 and a mixing cone 230, and the nozzle part 220 is positioned in the mixing cone 230. The mixing cone 230 has a through hole or slit to ensure that air input from the air input port 110 can enter the mixing cone 230. So that the fuel gas discharged from the nozzle part 220 and the air passing through the mixing cone 230 can be mixed at a position within the mixing cone 230.

Still further, the flame outlet barrel 100 has a flame outlet barrel axis, and an air guide plate 240 is disposed between the mixing cone 230 and the gas inlet 120, and the air guide plate 240 forms an angle a with the flame outlet barrel axis. Thus, after entering the flame tube 100 and before entering the mixing cone 230, the air can have a diversion effect through the air guide plate 240, so that the air entering the mixing cone 230 can be ensured to reduce turbulence.

The main function of the air guide plate 240 and the flame tube axis shape Cheng Gajiao a is to guide the air to form a rotational flow air to enter the mixing cone 230, so as to reduce turbulence, therefore, the volume of the air guide plate 240 does not need to cover the whole flame tube 100 cross section, and the air guide plate 240 is not required to be closely attached to the inner wall of the flame tube 100.

In some embodiments, referring to fig. 2 and 3, a mounting ring 241 is disposed outside the gas pipe 210, and the gas guide plate 240 is connected to the outside of the mounting ring 241, so as to facilitate the installation of the gas guide plate 240.

In this embodiment, optionally, a protrusion is disposed outside the gas pipe 210, where the protrusion is used to clamp the inner side of the mounting ring 241, so that the mounting stability of the mounting ring 241 can be ensured.

In some embodiments, the included angle a is 15 ° to 30 °.

In some embodiments, a nozzle mount 250 is disposed on the rear side of the gas pipe 210 as a mounting and fixing structure for the gas nozzle 200.

In some embodiments, the nozzle mount 250 is provided with an ion probe 260 and an ignition electrode 270, and the ion probe 260 and the ignition electrode 270 extend forward into the mixing cone 230. The ignition electrode 270 plays a role of igniting the pilot fuel, the ignition electrode 270 releases high-voltage electricity through the high-energy igniter before the fuel passes through, the top end of the ignition electrode 270 and the near end of the gas nozzle 200 generate high-energy arc sparks, when the fuel passes through the electric sparks, the fuel can be ignited and burns forward along with trace combustion air wind, in order to ensure safety, the ion probe 260 applies a certain voltage to the ion probe 260 by utilizing the principle that weak ion current generated in combustion smoke, namely flame has conductive effect, when flame exists, the ion probe 260 has current with the ground, and when no flame exists, the ion probe 260 does not have current with the ground because of air non-conduction, and the current passing through the ion probe 260 can judge whether the flame exists or not, thereby playing a role of safety protection.

In this embodiment, the front end of the ignition electrode 270 is optionally installed within a range of 3 to 5mm from the nozzle part 220.

In this embodiment, optionally, an ion probe 260 extends through mixing cone 230 to the front end of the flame out of the cone 100.

In some embodiments, a guide ring 280 is disposed between the nozzle mount 250 and the mixing cone 230, for guiding the ion probe 260 and the ignition electrode 270 to extend forward into the mixing cone 230, and the guide ring 280 has a trapezoidal cone shape. The ion probe 260 and the ignition electrode 270 must be installed in the guide ring, and cannot contact the flame tube 100 or the mixing cone 230, otherwise the controller cannot detect the flame signal, and the ignition electrode 270 cannot release the high-voltage arc.

In this embodiment, optionally, an insulating protection layer is disposed on the ion probe 260 and the ignition electrode 270, so as to ensure that the ion probe 260 and the ignition electrode 270 do not contact the flame barrel 100 or the mixing cone 230.

In some embodiments, the front side of the mixing cone 230 is provided with a support boss 231. The support nibs 231 are in the same plane as the corresponding mixing cone 230. After the mixing cone 230 moves eccentrically due to gravity and expansion caused by heat and contraction caused by cold after long-term use, the supporting convex tip 231 can prop against the inner wall of the fire outlet cylinder 100, so that a certain gap is reserved between the mixing cone 230 and the fire outlet cylinder 100, normal passage of air is ensured, and the fire outlet cylinder 100 is prevented from being deformed or burnt out due to local overheating.

In some embodiments, referring to fig. 1, the gas burner of the present utility model further includes a combustion fan 300, where the combustion fan 300 is connected to the air input 110, that is, the combustion fan 300 supplies air. The combustion fan 300 is provided with a wind pressure switch 310 for monitoring whether the air inlet pressure is high enough or not, and controlling the gas burner of the utility model to stop working once the air inlet pressure is too low, thereby playing a role in protection.

In this embodiment, optionally, a servo motor is disposed on the combustion fan 300, and the servo motor is used to control the air valve and the gas flow valve of the burner.

In this embodiment, optionally, a filter screen is disposed between the combustion fan 300 and the air input port 110 for filtering foreign matters.

In some embodiments, a gas switching electromagnetic valve 400 is provided on the gas input port 120 as a control gas input switch. The gas switch solenoid valve 400 is provided with a low-pressure switch 410 for monitoring whether the gas input pressure is high enough or not, and controlling the gas burner of the present utility model to stop working once the gas input pressure is too low, thereby playing a role of protection.

In this embodiment, the gas switching solenoid valve 400 is an optional gas switching solenoid valve that is a quick-open and quick-close normally closed solenoid valve.

In this embodiment, the gas switching electromagnetic valve 400 has two electromagnetic valves to control the on-off of the gas, which increases the safety.

In the description of the present specification, reference to the term "some embodiments" or "what may be considered to be" etc. means 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 utility model. 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.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. An integral gas burner, includes a fire tube (100), the fire tube (100) is connected with air input (110) and gas input (120), its characterized in that:

a gas nozzle (200) is arranged in the flame outlet cylinder (100), the gas nozzle (200) comprises a gas pipe (210), the rear side of the gas pipe (210) is communicated with the gas input port (120), a nozzle part (220) and a mixing cone (230) are arranged on the front side of the gas pipe (210), and the nozzle part (220) is positioned in the mixing cone (230);

the flame outlet cylinder (100) is provided with a flame outlet cylinder axis, an air guide plate (240) is arranged between the mixing cone cylinder (230) and the fuel gas input port (120), and an included angle a is formed between the air guide plate (240) and the flame outlet cylinder axis.

2. An integrated gas burner as claimed in claim 1, wherein: the gas pipe (210) is externally provided with a mounting ring (241), and the gas guide plate (240) is connected with the outer side of the mounting ring (241).

3. An integrated gas burner as claimed in claim 2, wherein: the gas pipe (210) is externally provided with a convex position, and the convex position is used for clamping the inner side position of the mounting ring (241).

4. An integrated gas burner as claimed in claim 1, wherein: a nozzle mounting seat (250) is arranged on the rear side of the gas pipe (210).

5. An integrated gas burner as claimed in claim 4, wherein: the nozzle mounting seat (250) is provided with an ion probe (260) and an ignition electrode (270), and the ion probe (260) and the ignition electrode (270) extend into the mixing cone (230) forwards.

6. An integrated gas burner as claimed in claim 5, wherein: a guide ring (280) is arranged between the nozzle mounting seat (250) and the mixing cone (230) and used for guiding the ion probe (260) and the ignition electrode (270) to extend into the mixing cone (230) forwards, and the guide ring (280) is in a trapezoid cone shape.

7. An integrated gas burner as claimed in claim 5, wherein: an insulating protective layer is arranged on the ion probe (260) and the ignition electrode (270).

8. An integrated gas burner as claimed in claim 1, wherein: the front side of the mixing cone (230) is provided with a supporting convex point (231).

9. An integrated gas burner as claimed in claim 1, wherein: the air inlet device is characterized by further comprising a combustion-supporting fan (300), wherein the combustion-supporting fan (300) is connected with the air inlet (110), and a wind pressure switch (310) is arranged on the combustion-supporting fan (300).

10. An integrated gas burner as claimed in claim 1, wherein: the gas inlet (120) is provided with a gas switching electromagnetic valve (400), and the gas switching electromagnetic valve (400) is provided with a low-pressure switch (410).