CN218972654U

CN218972654U - Simple burner

Info

Publication number: CN218972654U
Application number: CN202223295195.6U
Authority: CN
Inventors: 肖建雄; 李炳盛; 朱华春; 李强
Original assignee: Chinabest Home Appliances Co Ltd
Current assignee: Chinabest Home Appliances Co Ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-05
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a simple combustor, which comprises a connecting pipe and a combustion pipe, wherein a nozzle is arranged at one end of the connecting pipe, the inlet end of the combustion pipe is connected with one end of the connecting pipe, which is provided with the nozzle, and the nozzle is used for injecting fuel gas to the combustion pipe; the combustion tube is provided with a plurality of through air inlets close to the outer side wall of the nozzle, and the outlet end of the combustion tube is provided with a flow dividing sheet for dividing fuel gas. The utility model has simple structure and small combustion space.

Description

Simple burner

Technical Field

The utility model relates to the technical field of combustors, in particular to a simple combustor.

Background

Along with the diversification of user demands, the types of gas water heaters are also increasing, such as commercial gas water heater, household gas water heater, outdoor gas water heater, vehicle-mounted gas water heater and the like. Correspondingly, the combustion modes of the burner are more diversified, such as vertical combustion, horizontal combustion, atmospheric combustion, upper-drawing type intensified combustion, lower-drum type intensified combustion, thick-thin combustion, full-premix combustion and the like, but the burner generally has the problems of excessive parts and complex structure.

Disclosure of Invention

The utility model provides a simple burner which is simple in structure and small in combustion space.

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

the embodiment of the utility model provides a simple combustor, which comprises a connecting pipe and a combustion pipe, wherein a nozzle is arranged at one end of the connecting pipe, the inlet end of the combustion pipe is connected with one end of the connecting pipe, which is provided with the nozzle, and the nozzle is used for injecting fuel gas to the combustion pipe; the combustion tube is provided with a plurality of through air inlets close to the outer side wall of the nozzle, and the outlet end of the combustion tube is provided with a flow dividing sheet for dividing fuel gas.

Preferably, the splitter vane is disc-shaped and is coaxially arranged with the combustion tube.

Preferably, the periphery of the splitter plate is uniformly distributed with a plurality of saw teeth.

Preferably, a bottom plate is arranged on the outer side wall of the outlet end of the combustion tube, a connecting plate is connected to the bottom plate, and the connecting plate is connected with the flow dividing sheet.

Preferably, the base plate is axially movable relative to the burner tube along the outlet end of the burner tube.

Preferably, the outer side wall of the outlet end of the combustion tube is provided with a fixing hole, the bottom plate is provided with a fixing groove penetrating through the bottom plate and extending along the axial direction of the outlet end of the combustion tube, a first screw is arranged in the fixing groove and the fixing hole in a penetrating mode, and the bottom plate is fixed on the combustion tube through the first screw.

Preferably, the outer side wall of the combustion tube is further provided with a penetrating adjusting hole, and the adjusting hole is positioned in front of the air inlet hole in the air inlet direction.

Preferably, the end part of the connecting pipe is fixed with a nozzle seat, the nozzle is arranged on the nozzle seat, and the inlet end of the combustion pipe is sleeved on the nozzle seat.

Preferably, the side of the nozzle seat is provided with a threaded hole, the outer side wall of the combustion tube is provided with a penetrating mounting hole, a second screw is arranged in the mounting hole and the threaded hole in a penetrating mode, and the nozzle seat is fixedly connected with the combustion tube through the second screw.

Preferably, the combustion tube comprises a first straight line segment, a bent segment and a second straight line segment which are sequentially connected, and the axial direction of the first straight line segment is perpendicular to the axial direction of the second straight line segment; one end of the first straight line section, which is far away from the bending section, is an inlet end of the combustion tube, and one end of the second straight line section, which is far away from the bending section, is an outlet end of the combustion tube.

The utility model has at least the following beneficial effects: according to the utility model, the connecting pipe is used for conveying fuel gas, the nozzle is used for injecting the fuel gas into the combustion pipe, external air enters the combustion pipe through the air inlet hole under the action of air flow to be mixed with the fuel gas for the first time, the mixed gas is ejected from the outlet end of the combustion pipe, and the flow dividing sheet is used for dividing the mixed gas so as to fully mix secondary air with the fuel gas, so that the combustion area is enlarged, the combustion intensity is reduced, and flame can be formed by igniting the fuel gas at the outlet end, therefore, the whole burner has the advantages of simpler structure, small combustion space and high cost performance.

Drawings

FIG. 1 is a schematic view of a simplified burner according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a simplified burner according to an embodiment of the present utility model from another perspective;

FIG. 3 is a schematic cross-sectional view of a simplified combustor in accordance with an embodiment of the present utility model.

Wherein, the reference numerals are as follows:

a connection pipe 100;

the combustion tube 200, an air inlet 201, an adjusting hole 202, a fixing hole 203, a mounting hole 204, a first straight line section 210, a bending section 230 and a second straight line section 220;

a nozzle 300, a nozzle holder 310;

splitter blades 410, saw teeth 411, a bottom plate 420, fixing grooves 421 and a connecting plate 430.

Detailed Description

The disclosure provides a thorough understanding of various embodiments of the disclosure as defined by the claims and their equivalents, with reference to the following description of the drawings. The description includes various specific details to aid in understanding, but these details should be regarded as merely exemplary. Accordingly, one of ordinary skill 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 present disclosure. In addition, descriptions of the functions and constructions of the disclosed embodiments may be omitted for clarity and conciseness.

The terms and words used in the following description and claims are not limited to literal meanings, but are only used by the inventors to enable a clear and consistent understanding of the disclosure. Thus, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.

The terms "having," "can have," "including," or "can include" as used in various embodiments of the present disclosure indicate the presence of a corresponding function, operation, element or the like disclosed, but are not limited to additional one or more functions, operations, elements or the like. Furthermore, it should be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to specify the presence of stated features, integers, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, components, or groups thereof.

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 an intervening element (e.g., a third element) between the element and the other element.

An embodiment of the present utility model provides a simplified burner, as shown in fig. 1 to 3, including a connection pipe 100 and a combustion pipe 200, one end of the connection pipe 100 is provided with a nozzle 300, and the other end is connected to a gas pipe or a gas source, and gas is flowed to the nozzle 300. The combustion tube 200 has an inlet end and an outlet end, the inlet end of the combustion tube 200 is connected to the end of the connection tube 100 provided with the nozzle 300, and the nozzle 300 is used to inject the fuel gas into the combustion tube 200, and the fuel gas finally flows out of the outlet end. The combustion tube 200 is provided with a plurality of penetrating air inlets 201 near the outer side wall of the nozzle 300, and under the action of the air flow sprayed by the nozzle 300, the outside air enters the combustion tube 200 through the air inlets 201 to be mixed with the fuel gas once, the mixed gas flows out from the outlet end of the combustion tube 200, the outlet end of the combustion tube 200 is provided with a flow dividing sheet 410 for dividing the fuel gas, the flow dividing sheet 410 plays a role in dividing the mixed gas so as to fully mix the fuel gas with secondary air, the combustion area can be enlarged, the combustion intensity can be reduced, and the flame can be formed by igniting the fuel gas at the outlet end. Therefore, the simple combustor of the embodiment has the advantages of fewer parts, simple overall structure, small required combustion space, high cost performance, economy, practicability, strong durability and the like.

In some embodiments, the splitter 410 is disc-shaped and coaxially disposed with the burner tube 200 such that the distance from the periphery of the splitter 410 to the end face of the outlet end of the burner tube 200 is equal, forming an annular-like outlet space from which the mixed gas can flow more uniformly, thereby making the flame relatively uniform and improving combustion efficiency.

Further, the plurality of saw teeth 411 are uniformly distributed on the periphery of the splitter 410, and the saw teeth 411 have better function of separating the air flow, so that a plurality of air flows can be formed, and the uniformity of flame is further improved. Wherein the serrations 411 may be isosceles triangle shaped.

In some embodiments, a bottom plate 420 is provided on the outer sidewall of the outlet end of the burner tube 200, and a connection plate 430 is connected to the bottom plate 420, and the connection plate 430 is connected to the splitter plate 410, thereby stably fixing the splitter plate 410 to the burner tube 200. The connecting plate 430 may be L-shaped, and two ends of the connecting plate are respectively connected to the splitter 410 and the bottom plate 420, and meanwhile, the splitter 410, the connecting plate 430 and the bottom plate 420 may be integrally connected to facilitate the overall manufacturing and shaping.

Further, the bottom plate 420 can move axially relative to the burner tube 200 along the outlet end of the burner tube 200, so that the distance from the splitter 410 to the outlet end can be changed, and accordingly, the gas flow between the splitter 410 and the outlet end can be adjusted, so that the combustion condition can be optimized.

Further, the outer sidewall of the outlet end of the burner tube 200 is provided with a fixing hole 203, the bottom plate 420 is provided with a fixing groove 421 penetrating through itself and extending in the axial direction of the outlet end of the burner tube 200, and the fixing groove 421 and the fixing hole 203 are penetrated with a first screw. After the first screw is loosened, the bottom plate 420 is moved in the axial direction of the outlet end of the burner tube 200, the first screw is correspondingly moved in the fixing groove 421, and after the position of the bottom plate 420 is adjusted, the first screw is tightened into the fixing hole 203, and the first screw presses the bottom plate 420 against the burner tube 200, so that the bottom plate 420 can be fixed on the burner tube 200.

In some embodiments, the outer sidewall of the combustion tube 200 is further provided with a through adjusting hole 202, and in the air inlet direction, that is, the flow direction of the air flow in the combustion tube 200, the adjusting hole 202 is located in front of the air inlet 201, and the adjusting hole 202 is mainly used for adjusting the primary air entering from the air inlet 201, so as to promote the uniformity of mixing the fuel gas and the air.

In some embodiments, the end of the connection pipe 100 is fixed with a nozzle holder 310, the nozzle 300 is disposed on the nozzle holder 310, and the inlet end of the combustion pipe 200 is sleeved on the nozzle holder 310, so that the connection pipe 100 and the combustion pipe 200 are connected through the nozzle holder 310, and the inlet end of the combustion pipe 200 can be blocked to prevent gas leakage.

Further, the side surface of the nozzle seat 310 is provided with a threaded hole, the outer side wall of the combustion tube 200 is provided with a penetrating mounting hole 204, a second screw is penetrated in the mounting hole 204 and the threaded hole, and the nozzle seat 310 is fixedly connected with the combustion tube 200 through the second screw, so that the nozzle seat 310 can be fastened on the combustion tube 200, and the nozzle seat 310 is prevented from shaking.

In some embodiments, the burner tube 200 includes a first straight segment 210, a curved segment 230, and a second straight segment 220 connected in sequence, with the axial direction of the first straight segment 210 being perpendicular to the axial direction of the second straight segment 220. The end of the first straight segment 210 remote from the curved segment 230 is the inlet end of the burner tube 200, and the end of the second straight segment 220 remote from the curved segment 230 is the outlet end of the burner tube 200. Such a curved burner tube 200 may be adapted to suit a particular use scenario to meet practical needs.

The foregoing is a further detailed description of the utility model in connection with specific embodiments, and it is not intended that the utility model be limited to such description. It will be apparent to those skilled in the art that several simple deductions or substitutions can be made without departing from the spirit of the utility model.

Claims

1. A simplified burner, characterized by: the gas burner comprises a connecting pipe (100) and a combustion pipe (200), wherein a nozzle (300) is arranged at one end of the connecting pipe (100), the inlet end of the combustion pipe (200) is connected with one end of the connecting pipe (100) provided with the nozzle (300), and the nozzle (300) is used for injecting gas to the combustion pipe (200); the combustion tube (200) is provided with a plurality of penetrating air inlet holes (201) close to the outer side wall of the nozzle (300), and the outlet end of the combustion tube (200) is provided with a flow dividing sheet (410) for dividing fuel gas.

2. The burner of claim 1, wherein: the splitter (410) is disc-shaped and is arranged coaxially with the burner tube (200).

3. The burner of claim 2, wherein: the periphery of the splitter plate (410) is uniformly distributed with a plurality of saw teeth (411).

4. The burner of claim 1, wherein: a bottom plate (420) is arranged on the outer side wall of the outlet end of the combustion tube (200), a connecting plate (430) is connected to the bottom plate (420), and the connecting plate (430) is connected with the flow dividing sheets (410).

5. The burner of claim 4, wherein: the base plate (420) is axially movable relative to the burner tube (200) along the outlet end of the burner tube (200).

6. The burner of claim 5, wherein: the outer side wall of the outlet end of the combustion tube (200) is provided with a fixing hole (203), the bottom plate (420) is provided with a fixing groove (421) penetrating through the bottom plate and extending along the axial direction of the outlet end of the combustion tube (200), a first screw is arranged in the fixing groove (421) and the fixing hole (203) in a penetrating mode, and the bottom plate (420) is fixed on the combustion tube (200) through the first screw.

7. The burner of any one of claims 1-6, wherein: the outer side wall of the combustion tube (200) is also provided with a penetrating adjusting hole (202), and the adjusting hole (202) is positioned in front of the air inlet hole (201) in the air inlet direction.

8. The burner of any one of claims 1-6, wherein: the end part of the connecting pipe (100) is fixedly provided with a nozzle seat (310), the nozzle (300) is arranged on the nozzle seat (310), and the inlet end of the combustion pipe (200) is sleeved on the nozzle seat (310).

9. The burner of claim 8, wherein: the side of nozzle holder (310) is provided with the screw hole, the lateral wall of combustion tube (200) is provided with mounting hole (204) that run through, wear to be equipped with the second screw in mounting hole (204) and the screw hole, nozzle holder (310) pass through the second screw and link to each other with combustion tube (200) is fixed.

10. The burner of any one of claims 1-6, wherein: the combustion tube (200) comprises a first straight line segment (210), a bent segment (230) and a second straight line segment (220) which are sequentially connected, wherein the axial direction of the first straight line segment (210) is perpendicular to the axial direction of the second straight line segment (220); one end of the first straight line section (210) far away from the bending section (230) is an inlet end of the combustion tube (200), and one end of the second straight line section (220) far away from the bending section (230) is an outlet end of the combustion tube (200).