CN215411865U

CN215411865U - Burner with a burner head

Info

Publication number: CN215411865U
Application number: CN202120907973.9U
Authority: CN
Inventors: 毛久富
Original assignee: Xinnengke Electric Co ltd
Current assignee: Xinnengke Electric Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-01-04
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a burner, comprising: each fire grate is provided with at least two venturi-shaped gas channels, and the upper ends of the gas channels on the same fire grate are mutually communicated; the gas inlet mechanism comprises a gas inlet main pipe and a plurality of gas inlet branch pipes, each gas inlet branch pipe is communicated with the gas inlet main pipe, a plurality of nozzles are arranged on the gas inlet branch pipes, each fire row is sequentially arranged above each gas inlet branch pipe, and the lower end of each gas channel corresponds to each nozzle one by one; the combustion heads are respectively arranged at the upper ends of the fire rows, the upper ends of the combustion heads are in a V shape and are provided with a plurality of combustion holes, and the combustion holes are communicated with the upper ends of the gas channels; air and fuel gas are fully mixed in the gas channel, the V-shaped upper end surface of the combustion head can enable the combustion holes to give out air to form convection, and the combustion is more sufficient; the integral combustion effect of the combustor is good.

Description

Burner with a burner head

Technical Field

The utility model relates to water heating equipment, in particular to a burner.

Background

Water heating apparatuses such as a water heater, a steam engine, etc. generally use a gas burner to heat water. The prior burner uses a venturi fire row, and the burner still has the problem of undesirable combustion effect in use, so that further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the related art. Therefore, the utility model provides a combustor.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a burner according to an embodiment of the first aspect of the utility model, comprising:

each fire grate is provided with at least two venturi-shaped gas channels, and the upper ends of the gas channels on the same fire grate are mutually communicated;

the gas inlet mechanism comprises a gas inlet main pipe and a plurality of gas inlet branch pipes, each gas inlet branch pipe is communicated with the gas inlet main pipe, a plurality of nozzles are arranged on the gas inlet branch pipes, the fire rows are sequentially arranged above the gas inlet branch pipes, and the lower end of each gas channel corresponds to each nozzle one by one;

the combustion heads are respectively arranged at the upper ends of the fire rows, the upper ends of the combustion heads are V-shaped, a plurality of combustion holes are formed in the combustion heads, and the combustion holes are communicated to the upper ends of the gas channels.

The combustor provided by the embodiment of the utility model has at least the following beneficial effects: air and fuel gas are fully mixed in the gas channel, the V-shaped upper end surface of the combustion head can enable the combustion holes to give out air to form convection, and the combustion is more sufficient; the integral combustion effect of the combustor is good.

According to some embodiments of the utility model, the upper ends of the gas channels on a single fire grate are communicated to form a strip-shaped opening, the combustion head is arranged at the opening at the upper end of the fire grate in a strip-shaped matching manner, and the combustion holes are distributed along the long side direction of the combustion head.

According to some embodiments of the utility model, the bottom of the burner head is provided with a plurality of through holes along the long side direction.

According to some embodiments of the utility model, the combustion holes comprise circular holes and strip-shaped holes, and the circular holes and the strip-shaped holes are distributed at intervals along the long side direction of the combustion head.

According to some embodiments of the utility model, each fire row is provided with three gas passages, and the fire rows are parallel to each other and distributed side by side; the air inlet mechanism is provided with three air inlet branch pipes, and each air inlet branch pipe is parallel to each other and is perpendicular to the vertical plane of the fire grate.

According to some embodiments of the utility model, the fire grate further comprises a cooling pipe passing through each fire grate to cool the shell of the fire grate.

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

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an exploded view of the fire grate of the present invention;

fig. 4 is a partially enlarged view of fig. 3.

Reference numerals: a fire grate 100; a gas passage 110; an air intake mechanism 200; an intake manifold 210; a nozzle 221; a burner head 300; a combustion hole 310; a through-hole 320; a circular hole 311; a strip-shaped aperture 312; the tube 400 is cooled.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

As shown in fig. 1 and 2, a burner includes a fire row 100, an air intake mechanism 200, and a burner head 300. The fire grate 100 is provided with at least two gas channels 110, each gas channel 110 is in a venturi shape, each gas channel 110 is in a vertical direction, the upper port of each gas channel 110 is larger than the lower port of the corresponding gas channel, and the upper ends of the gas channels 110 on the same fire grate 100 are communicated with each other. The air intake mechanism 200 includes an air intake manifold 210 and a plurality of air intake branch pipes 220, each air intake branch pipe 220 is communicated with the air intake manifold 210, and the fuel gas is branched to each air intake branch pipe 220 through the air intake manifold 210. The air inlet branch pipe 220 is provided with a plurality of nozzles 221. A plurality of fire rows 100 are arranged above the air inlet branch pipes 220 in sequence. The lower ends of the air inlet passages correspond to the nozzles 221 in number and position one to one. Each fire row 100 is provided at an upper end thereof with a burner head 300, as shown in fig. 4, the upper end of the burner head 300 is formed in a V shape with two inclined surfaces inclined toward the center, and the two inclined surfaces are provided with a plurality of burner holes 310. During operation, the gas is distributed into the gas inlet branch pipes 220 through the gas inlet main pipe 210, then the gas is correspondingly conveyed to the lower end of the gas channel 110 through the nozzles 221, meanwhile, the external air enters from the lower end of the gas channel 110, the gas and the air are mixed in the gas channel 110 and rise along the gas channel 110, and finally, the gas and the air are combusted through the combustion holes 310 at the combustion head 300. Air and fuel gas are fully mixed in the gas channel 110, the V-shaped upper end surface of the combustion head 300 can enable the combustion holes 310 to give out air to form convection, and the combustion is more sufficient; the integral combustion effect of the combustor is good.

As shown in fig. 3, in some embodiments of the present invention, the upper ends of the gas channels 110 of the single fire row 100 are communicated to form a strip-shaped opening, the burner head 300 is installed at the upper end opening of the fire row 100 in a strip-shaped manner, and the burner holes 310 are distributed along the long side direction of the burner head 300. After the gas and the air are mixed in the gas passage 110, they are uniformly dispersed to the burner head 300 for combustion after passing through the venturi effect of the gas passage 110.

As shown in fig. 4, a plurality of through holes 320 are further formed at the bottom of the burner head 300 along the longitudinal direction. Before the mixed gas enters the combustion holes 310, the through holes 320 have a turbulent flow effect on the mixed gas, and then the mixed gas is dispersed to each combustion hole 310 to be combusted.

In some embodiments of the utility model, as shown in fig. 3 and 4, the burner holes 310 include circular holes 311 and stripe-shaped holes 312, and the circular holes 311 and the stripe-shaped holes 312 are spaced apart from each other along the longitudinal direction of the burner head 300. Circular port 311 and strip hole 312 both give vent to anger the area difference, have mixed flow effect to the mist for the mist is more abundant in burning hole 310 department burning.

In some embodiments of the present invention, each fire row 100 is provided with three gas passages 110, and the fire rows 100 are parallel to each other and distributed side by side; the air inlet mechanism 200 is provided with three air inlet branch pipes 220, and each air inlet branch pipe 220 is parallel to each other and perpendicular to the vertical plane of the fire row 100. As shown in fig. 2, the nozzles 221 of each of the inlet branch pipes 220 are distributed along the longitudinal direction thereof. The three gas inlet branch pipes 220 respectively correspond to the gas passages 110 at the leftmost side, the middle side and the rightmost side of each fire row 100, so that the gas and the air entering each fire row 100 are uniformly distributed, and each fire row 100 generates basically equal amount of heat.

In some embodiments of the present invention, a cooling pipe 400 is further included, and the cooling pipe 400 passes through each fire row 100 to cool the shell of the fire row 100. As shown in fig. 2, the cooling pipe 400 may have a U-shape. When the water heater works, cold water is introduced into the cooling pipe 400, on one hand, the shell of the fire grate 100 is cooled, and on the other hand, the water absorbs the heat of the fire grate 100 to preheat, and then the water heater is used.

In the description herein, references to the description of "some specific embodiments" or the like are intended to 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 utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. 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 utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A burner, comprising:

the fire grate comprises a plurality of fire grates (100), wherein each fire grate (100) is provided with at least two venturi-shaped gas channels (110), and the upper ends of the gas channels (110) on the same fire grate (100) are communicated with each other;

the gas inlet mechanism (200) comprises a gas inlet main pipe (210) and a plurality of gas inlet branch pipes (220), each gas inlet branch pipe (220) is communicated with the gas inlet main pipe (210), a plurality of nozzles (221) are arranged on each gas inlet branch pipe (220), each fire row (100) is sequentially arranged and installed above each gas inlet branch pipe (220), and the lower end of each gas channel (110) corresponds to each nozzle (221) one by one;

the combustion heads (300) are respectively arranged at the upper ends of the fire rows (100), the upper end surfaces of the combustion heads (300) are V-shaped, a plurality of combustion holes (310) are formed in the combustion heads, and the combustion holes (310) are communicated with the upper end of the gas channel (110).

2. The burner of claim 1, wherein: singly arrange each on (100) the gas channel (110) upper end intercommunication forms the strip opening, burning head (300) are the cooperation of bar form and install the opening part is arranged to the fire (100) upper end, burner port (310) are followed the long limit direction of burning head (300) distributes.

3. The burner of claim 2, wherein: and a plurality of through holes (320) are formed in the bottom of the combustion head (300) along the long edge direction.

4. The burner of claim 2, wherein: the burner port (310) comprises a circular hole (311) and a strip-shaped hole (312), and is arranged along the long side direction of the burner head (300), wherein the circular hole (311) and the strip-shaped hole (312) are distributed at intervals.

5. The burner of claim 1, wherein: each fire row (100) is provided with three gas channels (110), and the fire rows (100) are mutually parallel and distributed side by side; the air inlet mechanism (200) is provided with three air inlet branch pipes (220), and each air inlet branch pipe (220) is parallel to each other and is perpendicular to the vertical plane of the fire grate (100).

6. The burner of claim 1, wherein: the fire grate further comprises a cooling pipe (400), wherein the cooling pipe (400) penetrates through each fire grate (100) so as to cool the shell of each fire grate (100).