CN220817737U - Burner with multiple fire distributors - Google Patents

Abstract

The utility model discloses a combustor with a plurality of fire distributors, which comprises a furnace end, wherein a mixing cavity is arranged in the furnace end, and one end of the furnace end is provided with an air inlet channel communicated with the mixing cavity; the top surface of the furnace end is fixedly provided with a plurality of columnar fire distributors, and the surface of each fire distributor is provided with a plurality of fire holes communicated with the mixing cavity; the mixing chamber is provided therein with a flow dividing member for dividing the flow of air blown in from the intake passage. The utility model can lead the gas distribution in the mixing cavity to be more uniform and the flame on each distributor to be more uniform.

Description

Burner with multiple fire distributors

Technical Field

The utility model relates to the technical field of gas burners, in particular to a burner with a plurality of fire distributors.

Background

For the existing products such as gas ovens and gas ovens which need to use burners, the burners are usually round tube type, cast iron type or infrared type, and have the problem of low combustion power, so that a plurality of burners with improved structures are also appeared on the market. For example, the chinese patent publication No. CN205619260U discloses a novel gas burner, which is provided with a plurality of small distributors at the top of the burner, so as to increase the combustion power. However, the burner in this patent document is composed of a frame-shaped pipe, so that the internal mixing chamber is also in a pipe-shaped structure, while the number of air inlet channels is limited, the fuel gas is not easy to diffuse in the pipe-shaped mixing chamber, and the fuel gas is unevenly distributed, so that the flames on each distributor are uneven.

Disclosure of utility model

The utility model provides a burner with a plurality of distributors, which can ensure that the gas in a mixing cavity is more uniformly distributed, and the flames on the distributors are more uniform.

In order to solve the problems, the utility model adopts the following technical scheme:

The embodiment of the utility model provides a combustor with a plurality of fire distributors, which comprises a furnace end, wherein a mixing cavity is arranged in the furnace end, and one end of the furnace end is provided with an air inlet channel communicated with the mixing cavity; the top surface of the furnace end is fixedly provided with a plurality of columnar fire distributors, and the surface of each fire distributor is provided with a plurality of fire holes communicated with the mixing cavity; the mixing chamber is provided therein with a flow dividing member for dividing the flow of air blown in from the intake passage.

In some embodiments, the flow splitter includes a baffle positioned on an extended path of the intake passage.

In some embodiments, the diverter further includes a bottom plate coupled to the baffle plate, the bottom plate being secured to an inner wall of the mixing chamber.

In some embodiments, the fire holes are provided on the perimeter of the distributor, the top of the distributor is provided with a top cover, the area of the top cover is larger than the cross-sectional area of the distributor, and the top cover covers the distributor from above.

In some embodiments, the top surface of the distributor is provided with a positioning protruding point, the top cover is provided with a positioning hole, and the positioning protruding point is embedded in the positioning hole.

In some embodiments, the top surface of the burner is provided with an opening communicating with the mixing chamber, the bottom of the distributor is provided with a ring plate around the distributor, the distributor passes through the opening, and the ring plate is tightly fixed on the inner wall of the mixing chamber.

In some embodiments, a flap is provided at the intake passage that covers the intake passage, the flap being provided with a central aperture therethrough and a plurality of intake apertures disposed about the central aperture.

In some embodiments, the surface of the burner is provided with a plurality of primary air inlet grooves communicated with the air inlet channel.

In some embodiments, a bracket is fixed to the burner.

In some embodiments, the burner is formed by combining a burner upper cover and a burner lower cover.

The utility model has at least the following beneficial effects: the gas distributor is provided with the flow dividing piece in the mixing cavity, the flow dividing piece can disperse the airflow blown in from the air inlet channel, the gas can be distributed more uniformly in the mixing cavity, and the flames on the fire distributors are more uniform and unified; meanwhile, the columnar distributor can enable fuel gas to burn more fully, and the power of the whole combustor is larger.

Drawings

FIG. 1 is a schematic view of a burner with multiple distributors according to an embodiment;

FIG. 2 is an exploded schematic view of a burner with multiple distributors of an embodiment;

FIG. 3 is a schematic cross-sectional view of a burner with multiple distributors of an embodiment.

Wherein, the reference numerals are as follows:

a burner 100, a burner upper cover 101, a burner lower cover 102, a mixing chamber 110, an opening 111, an air inlet channel 120, a primary air inlet groove 121;

Distributor 200, fire hole 210, positioning convex point 220, ring plate 230;

A splitter 300, a baffle 310, a bottom plate 320;

Top cover 400, positioning hole 410;

A sealing piece 500, a central hole 510 and an air inlet hole 520;

And a bracket 600.

Detailed Description

The following description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the utility model as defined in the claims and their equivalents. The description includes various specific details to aid in understanding, but these details should be regarded as merely exemplary. Accordingly, those skilled in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the utility model.

In the description of the present utility model, 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, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

It will be understood that when an element (e.g., a first element) is "connected" to another element (e.g., a second element), the element can be directly connected to the other element or there can be intervening elements (e.g., a third element) between the element and the other element.

An embodiment of the present utility model provides a burner having a plurality of fire distributors, as shown in fig. 1 to 3, including a burner 100, a mixing chamber 110 is provided inside the burner 100, one end of the burner 100 is provided with an air inlet channel 120 communicating with the mixing chamber 110, and fuel gas enters the mixing chamber 110 through the air inlet channel 120, and the fuel gas is mixed with air in the mixing chamber 110. The top surface of the burner 100 is fixed with a plurality of columnar fire distributors 200, the surface of the fire distributors 200 is provided with a plurality of fire holes 210 communicated with the mixing cavity 110, and the mixed gas of the fuel gas and the air is sprayed out through the fire holes 210 and then is ignited to form flame. The flow dividing member 300 is disposed in the mixing chamber 110, and the flow dividing member 300 is used for dispersing the air flow blown from the air inlet channel 120, so that the fuel gas can be relatively uniformly dispersed in the mixing chamber 110, the fuel gas is distributed more uniformly in the mixing chamber 110, the amount of the fuel gas transmitted to each distributor 200 is relatively uniform, and the flames on each distributor 200 are also more uniform and unified.

Meanwhile, the distributor 200 of the embodiment is different from the traditional annular distributor, and the gas can be more fully combusted through a plurality of columnar distributors 200 with relatively smaller sizes, so that the power of the whole combustor is larger, the temperature equalizing effect is good, and compared with infrared gas with the same size, the distributor of the embodiment has the advantages of simple structure and low cost.

In some embodiments, the splitter 300 includes a baffle 310, where the baffle 310 is positioned along an extended path of the intake channel 120, and when the airflow enters the mixing chamber 110 along the intake channel 120, the airflow is blocked by the baffle 310 and further diffuses around along the surface of the baffle 310, so as to disperse the airflow blown from the intake channel 120.

In this embodiment, the baffle 310 may be perpendicular to the center line of the air inlet channel 120, which may have a better dispersion effect on the air flow, and the air flow may be more uniformly dispersed around along the surface of the baffle 310.

Further, the splitter 300 further includes a bottom plate 320 coupled to the baffle 310, and the bottom plate 320 is fixed to the inner wall of the mixing chamber 120 to stabilize the baffle 310.

The bottom plate 320 and the baffle plate 310 may be integrally connected, and both are formed by a bending process, and the bottom plate 320 may be fixed to the inner wall of the mixing chamber 120 by means of screw fixation or welding fixation, etc.

In some embodiments, the fire hole 210 is provided on the circumferential surface of the distributor 200, the top of the distributor 200 is provided with the top cover 400, the area of the top cover 400 is larger than the cross-sectional area of the distributor 200, and the top cover 400 covers the distributor 200 from above, and the top cover 400 can function like an umbrella, and the grease, soup, etc. dropped by a user during cooking can be blocked by the top cover 400, so as to prevent the liquids from entering into the fire hole 210 to affect flame combustion.

Further, the top surface of the distributor 200 is provided with the positioning protruding points 220, the top cover 400 is provided with the positioning holes 410, the positioning protruding points 220 are inserted into the positioning holes 410, so that the position of the top cover 400 on the distributor 200 can be positioned, the top cover 400 is convenient to fix in place, and after the positioning protruding points 220 are inserted into the positioning holes 410, the top cover 400 is difficult to move transversely on the top surface of the distributor 200, and can be stably fixed on the top surface of the distributor 200.

In this embodiment, the top cover 400 may be fixed to the top surface of the distributor 200 by welding, riveting, or the like.

In some embodiments, the top surface of the burner 100 is provided with an opening 111 communicating with the mixing chamber 110, the bottom of the distributor 200 is provided with a ring plate 230 around the distributor 200, the distributor 200 passes through the opening 111, the ring plate 230 is located in the mixing chamber 110, and the ring plate 230 is tightly fixed on the inner wall of the mixing chamber 110. The ring plate 230 can prevent the distributor 200 from separating from the burner 100, so that the distributor 200 can be stably fixed on the burner 100, and meanwhile, the ring plate 230 is tightly attached to the inner wall of the mixing cavity 110, so that the tightness can be enhanced, and the gas leakage can be reduced.

In this embodiment, the ring plate 230 may be integrally connected to the distributor 200, and the ring plate 230 may be formed through a flanging and stretching process. The distributor 200 is provided with a fire distributing cavity, the fire distributing cavity is communicated with the mixing cavity 110, the fire hole 210 is communicated with the fire distributing cavity, and the mixed gas in the mixing cavity 110 flows to the fire distributing cavity and is sprayed out through the fire hole 210.

In some embodiments, a flap 500 is provided at the intake passage 120 that covers the intake passage 120, the flap 500 being provided with a central hole 510 therethrough and a plurality of intake holes 520 arranged around the central hole 510. The nozzle may extend into the central hole 510 to inject fuel gas into the intake passage 120, and outside air enters the intake passage 120 together with the fuel gas through the intake holes 520 by the air flow.

In some embodiments, the surface of the burner 100 is provided with a plurality of primary air inlet grooves 121 communicated with the air inlet channel 120, and air can enter the air inlet channel 120 through the primary air inlet grooves 121, so that the air inflow of the primary air can be increased, the ratio of the fuel gas to the air is more reasonable, and the fuel gas can be combusted more fully.

In some embodiments, a bracket 600 is secured to the burner 100, and the entire burner can be secured to the oven body by the bracket 600. Wherein, the bracket 600 and the air inlet channel 120 may be respectively located at two ends of the burner 100, and one ends of the bracket 600 and the burner 100 where the air inlet channel 120 is located are fixed at a specific position.

In some embodiments, the burner 100 is formed by combining a burner upper cover 101 and a burner lower cover 102, and the burner upper cover 101 and the burner lower cover 102 enclose the mixing chamber 110 and the air inlet 120. The splitter 300 of the above embodiment may be secured to the burner lower cover 102.

The terms and words used in the above description and claims are not limited to literal meanings but are only used by the applicant to enable a clear and consistent understanding of the utility model. Accordingly, it will be apparent to those skilled in the art that the foregoing description of the various embodiments of the utility model has been provided for illustration only and not for the purpose of limiting the utility model as defined by the appended claims and their equivalents.

Claims (10)

1. A burner having a plurality of flame distributors, characterized by: the device comprises a furnace end, wherein a mixing cavity is arranged in the furnace end, and one end of the furnace end is provided with an air inlet channel communicated with the mixing cavity; the top surface of the furnace end is fixedly provided with a plurality of columnar fire distributors, and the surface of each fire distributor is provided with a plurality of fire holes communicated with the mixing cavity; the mixing chamber is provided therein with a flow dividing member for dividing the flow of air blown in from the intake passage.

2. The burner with multiple distributors as claimed in claim 1, wherein: the flow divider includes a baffle positioned on an elongated path of the intake passage.

3. The burner with multiple distributors as claimed in claim 2, wherein: the flow dividing piece further comprises a bottom plate connected with the baffle plate, and the bottom plate is fixed on the inner wall of the mixing cavity.

4. The burner with multiple distributors as claimed in claim 1, wherein: the fire hole is arranged on the peripheral surface of the distributor, a top cover is arranged at the top of the distributor, the area of the top cover is larger than the cross-sectional area of the distributor, and the top cover covers the distributor from the upper part.

5. The burner with multiple distributors as claimed in claim 4, wherein: the top surface of distributor is provided with the location bump, the top cap is provided with the locating hole, the location bump inlays and inserts in the locating hole.

6. The burner with multiple distributors as claimed in claim 1, wherein: the top surface of furnace end is provided with the opening with mixing chamber intercommunication, the bottom of distributor is provided with the annular plate around the distributor, the distributor passes the opening, the annular plate is hugged closely and is fixed on the inner wall of mixing chamber.

7. The burner with multiple flame distributors as claimed in any of claims 1-6, wherein: the air inlet channel is provided with a sealing piece for sealing the air inlet channel, and the sealing piece is provided with a through central hole and a plurality of air inlet holes which are arranged around the central hole.

8. The burner with multiple flame distributors as claimed in any of claims 1-6, wherein: the surface of the furnace end is provided with a plurality of primary air inlet grooves communicated with the air inlet channel.

9. The burner with multiple flame distributors as claimed in any of claims 1-6, wherein: and a bracket is fixed on the furnace end.

10. The burner with multiple flame distributors as claimed in any of claims 1-6, wherein: the furnace end is formed by combining a furnace head upper cover and a furnace end lower cover.