CN212901611U

CN212901611U - Auxiliary gas mixing type furnace end

Info

Publication number: CN212901611U
Application number: CN202021467327.7U
Authority: CN
Inventors: 沖野省三
Original assignee: Yangu Gas Appliances Zhuhai Co ltd
Current assignee: Yangu Gas Appliances Zhuhai Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-04-06
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses an auxiliary gas mixing type furnace end, include: a furnace end main body, inside which a gas mixing pipe is formed; the fire distributing cover covers the furnace end main body, a plurality of flame ports are arranged along the circumferential direction, and the inner sides of the flame ports are communicated with the gas mixing pipe; the gas mixing screen plate extends vertically in an annular shape and is uniformly provided with a plurality of meshes, the gas mixing screen plate is arranged between the furnace end main body and the fire distributing cover and covers the inner sides of all the flame ports, and the size of the meshes is smaller than that of the flame ports. This furnace end adopts supplementary gas formula design that mixes, and when the gas that fuel gas and air mix according to predetermined proportion flowed through the mesh, can form little swirl appearance in the flow field, forms the turbulent flow for fuel gas and air further mix each other, mix more evenly, then get into the flame mouth and burn, and the burning is complete and flame state is good, improves heat utilization effectively and rates, saves the gas consumption.

Description

Auxiliary gas mixing type furnace end

Technical Field

The utility model relates to a gas furnace, in particular to a furnace end.

Background

The burner is an important component of the gas furnace, and mixed fuel gas and air are introduced and ignited to fully combust the mixed gas so as to achieve the purpose of heating.

At present, the furnace end of current gas furnace adopts the gas-mixing pipe to form the gas-mixing passageway of mixed fuel gas and air usually, then directly discharges by the flame vent, because the distance and the space of gas-mixing pipe are limited, and the flame vent is also great in general size moreover, leads to fuel gas and air to mix inadequately easily, and then causes the burning incomplete, the firepower is little for heat utilization rate is lower, has additionally increased the gas consumption yet.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an auxiliary gas mixing type furnace end can mix fuel gas and air uniformly, and the burning is complete and heat utilization rate is high.

According to the utility model discloses supplementary gas mixture formula furnace end, include: a furnace end main body, inside which a gas mixing pipe is formed; the flame distributing cover covers the furnace end main body, a plurality of flame ports are arranged along the circumferential direction, and the inner sides of the flame ports are communicated with the gas mixing pipe; the gas mixing screen plate extends vertically in an annular shape and is uniformly provided with a plurality of meshes, the gas mixing screen plate is arranged between the furnace end main body and the flame distributing cover and covers the inner sides of all the flame ports, and the size of each mesh is smaller than that of each flame port.

The method has the following beneficial effects: this furnace end adopts supplementary gas mixture formula design, set up the gas mixture otter board between furnace end main part and branch fire lid, the inboard that all flame ports can be covered to the gas mixture otter board, the size of the mesh of gas mixture otter board is less than the size of flame ports, when the gas that fuel gas and air mix according to predetermined proportion flows through the mesh, can form little swirl in the flow field, form the turbulent flow, make fuel gas and air further mix each other, it is more even to mix, then get into the flame ports and burn, it is complete and flame state is good to burn, improve heat utilization rate effectively, save the air consumption.

According to some embodiments of the utility model, the mesh is circular, the internal diameter of mesh is 0.5 ~ 1.5 mm.

According to some embodiments of the invention, the flame ports are inclined gradually upwards from the inside to the outside.

According to some embodiments of the present invention, an ignition needle is mounted to an exterior of the burner body, the ignition needle extending toward an arbitrary one of the outer sides of the flame ports.

According to some embodiments of the utility model, the gas-mixing pipe is close to divide the one end of fire lid to be the annular opening, the furnace end main part is in annular opening's outer edge is provided with and is used for the support divide the annular supporting bench of fire lid.

According to some embodiments of the invention, the annular support table is flared upwards.

According to some embodiments of the utility model, divide the fire lid to offer along circumference and be annular spacing groove, the spacing groove is located the inboard of flame mouth, mix the gas otter board card and arrange in the spacing groove with between the annular brace table.

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 diagram of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of an embodiment of the present invention;

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

Reference numerals: the burner comprises a burner main body 1, a gas mixing pipe 2, an annular opening 21, a fire distributing cover 3, a flame port 31, a limiting groove 32, a gas mixing screen plate 4, a mesh 41, an ignition needle 5 and an annular support table 6.

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 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 exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the present number, and the terms greater than, less than, within, etc. are understood as including the present number. In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, the utility model discloses an auxiliary gas mixing type furnace end, which comprises a furnace end main body 1, a fire separating cover 3 and a gas mixing screen plate 4.

Wherein, the furnace end main body 1 is internally provided with a gas mixing pipe 2, and the gas mixing pipe 2 is used for mixing fuel gas and air in a certain proportion. The fire separating cover 3 covers the burner body 1, a plurality of flame ports 31 are arranged along the circumferential direction, and the inner sides of the flame ports 31 are communicated with the gas mixing pipe 2.

Further referring to fig. 3 and 4, the gas mixing screen plate 4 is annular and vertically extends, a plurality of meshes 41 are uniformly distributed on the gas mixing screen plate 4, the gas mixing screen plate 41 is installed between the burner main body 1 and the fire distributing cover 3 and covers the inner sides of all the flame ports 31, wherein the size of the mesh 41 is smaller than that of the flame ports 31.

This furnace end adopts supplementary gas formula design that mixes, and when the gas that fuel gas and air mix according to predetermined proportion flowed through mesh 41, can form little swirl appearance in the flow field, forms the turbulent flow for fuel gas and air further mix each other, mix more evenly, then get into flame mouth 31 and burn, and the burning is complete and flame state is good, improves heat utilization effectively and rates, saves the gas consumption.

Referring to fig. 1 and 4, the externally mounted of furnace end main part 1 has ignition needle 5, and ignition needle 5 extends towards the outside of arbitrary one flame vent 31, in some embodiments of the utility model, flame vent 31 from interior to exterior upwards slope gradually, after the mist is lighted, flame is to dividing the gathering of fire lid 3, can have to reduce thermal giving off effectively, improves the utilization ratio of heat energy.

In some embodiments of the present invention, referring to fig. 4, the mesh 41 is circular, the inner diameter of the mesh 41 is 0.5-1.5 mm, the size is changed to be much smaller than the flame hole 31, and the mixed gas flow is not excessively obstructed.

Referring to fig. 2, in some embodiments of the present invention, the end of the gas mixing pipe 2 close to the fire separating cover 3 is an annular opening 21, the outer edge of the annular opening 21 of the furnace end main body 1 is provided with an annular supporting platform 6, the annular supporting platform 6 is used for supporting the fire separating cover 3, and the annular supporting platform 6 is in an upward flaring shape and matches with the shape of the fire separating cover 3 and the shape of the flame vent 31.

In addition, referring to fig. 4, the fire separating cover 3 is circumferentially provided with an annular limiting groove 32, the limiting groove 32 is located on the inner side of the flame port 31, the gas mixing screen plate 4 is clamped between the limiting groove 32 and the annular supporting table 6, the gas mixing screen plate 4 is not required to be fixedly connected with the fire separating cover 3 or the burner main body 1, and the disassembly, the assembly and the maintenance are very convenient.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Supplementary gas mixing formula furnace end, its characterized in that includes:

a furnace end main body, inside which a gas mixing pipe is formed;

the flame distributing cover covers the furnace end main body, a plurality of flame ports are arranged along the circumferential direction, and the inner sides of the flame ports are communicated with the gas mixing pipe;

the gas mixing screen plate extends vertically in an annular shape and is uniformly provided with a plurality of meshes, the gas mixing screen plate is arranged between the furnace end main body and the flame distributing cover and covers the inner sides of all the flame ports, and the size of each mesh is smaller than that of each flame port.

2. The auxiliary gas mixing type burner of claim 1, wherein the mesh is circular, and the inner diameter of the mesh is 0.5-1.5 mm.

3. The auxiliary gas mixing burner of claim 1, wherein the flame ports are gradually inclined upward from inside to outside.

4. The auxiliary gas mixing burner of claim 1, wherein an ignition needle is mounted to an exterior of the burner body, the ignition needle extending toward an outer side of any one of the flame ports.

5. The auxiliary gas mixing burner as recited in any one of claims 1 to 4, wherein an end of the gas mixing pipe adjacent to the fire distribution cover is an annular opening, and the burner body is provided with an annular support platform at an outer edge of the annular opening for supporting the fire distribution cover.

6. The auxiliary gas mixing jamb of claim 5, wherein said annular support platform is flared upwardly.

7. The auxiliary gas mixing type furnace end as claimed in claim 5, wherein the fire distribution cover is circumferentially provided with an annular limiting groove, the limiting groove is located at an inner side of the flame opening, and the gas mixing screen plate is clamped between the limiting groove and the annular support platform.