CN218914933U - Gas distributing rod with gas and air premixing cavity - Google Patents
Gas distributing rod with gas and air premixing cavity Download PDFInfo
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- CN218914933U CN218914933U CN202222774457.0U CN202222774457U CN218914933U CN 218914933 U CN218914933 U CN 218914933U CN 202222774457 U CN202222774457 U CN 202222774457U CN 218914933 U CN218914933 U CN 218914933U
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- gas
- air
- pipe
- premixing
- gas inlet
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Abstract
The gas distribution rod with the gas and air premixing cavity comprises a pipe body, a gas outlet hole arranged on the pipe body and provided with a nozzle, a premixing pipe communicated with the pipe body, a gas inlet cavity surrounding the premixing pipe and an air injection piece, wherein a gas inlet joint is arranged on the gas inlet cavity; the air injection piece comprises an injection head part with a hollow lower opening and an air pipe part; the injection head is arranged in the gas inlet cavity and sealed, the end part of the air pipe part extends into the premixing pipe, a gas injection channel is formed by a gap between the air pipe part and the premixing pipe, and gas and air are premixed in the premixing pipe and the pipe body part. The fuel gas enters the fuel gas inlet cavity, and the air and the fuel gas are premixed together in the premixing pipe and the pipe body, so that the primary air quantity is increased, the combustion is sufficient, and the emission of carbon monoxide and nitrogen oxide compounds is reduced.
Description
Technical Field
The utility model relates to a gas water heating device, in particular to a gas distribution rod.
Background
At present, in the prior art, chinese patent application 202210564187.2, a gas combustion device, a gas water heater and a gas wall-mounted stove comprise a gas distribution rod, a nozzle and a fire row, wherein the nozzle and the fire row are arranged on the gas distribution rod, the fire row comprises a combustion monomer, and the combustion monomer comprises an injection pipe with a combustion cavity communicated with the combustion cavity; the combustion unit is provided with a plurality of injection pipes; at least two nozzles are arranged on the gas distribution rod; the air-fuel gas premixing and splitting device comprises a premixing and splitting device, and is characterized by further comprising a premixing and splitting device, wherein the premixing and splitting device comprises at least one air-fuel gas injection pipe, a premixing and splitting cavity and a plurality of air-fuel gas mixed gas nozzles arranged on the top plate of the premixing and splitting cavity, and the nozzles on the splitting rod are opposite to the air-fuel gas injection pipe and the air-fuel gas mixed gas nozzles are opposite to the injection pipe. The problems are: the fuel gas enters the gas distribution rod, then the fuel gas enters the injection pipe of the fire grate through the nozzle of the gas distribution rod and simultaneously the air enters the injection pipe; primary air is insufficient and the gas and air are unevenly mixed.
Disclosure of Invention
The purpose of the utility model is that: providing.
The utility model is realized in the following way: the utility model provides a take gas and air to mix branch gas pole in chamber in advance which characterized in that: comprises a pipe body, an air outlet hole arranged on the pipe body and provided with a nozzle, a premixing pipe communicated with the pipe body, a fuel gas inlet cavity surrounding the premixing pipe and an air injection piece,
a gas inlet connector is arranged on the gas inlet cavity;
the air injection piece comprises an injection head part with a hollow lower opening and an air pipe part;
the injection head is arranged in the gas inlet cavity and sealed, the end part of the air pipe part extends into the premixing pipe, a gas injection channel is formed by a gap between the air pipe part and the premixing pipe, and gas and air are premixed in the premixing pipe and the pipe body part.
The gas distribution rod with the gas and air premixing cavity is characterized in that: the head of the injection pipe is in a horn shape.
The gas distribution rod with the gas and air premixing cavity is characterized in that: the air injection pipe further comprises a supporting plate, the supporting plate is arranged around the air pipe part, and the end part of the supporting plate supports the premixing pipe.
The gas distribution rod with the gas and air premixing cavity is characterized in that: the pipe body part, the premixing pipe, the gas inlet cavity and the gas inlet joint are integrally formed,
the air injection piece is fixedly connected or detachably connected with the gas inlet cavity.
According to the gas distribution rod with the gas and air premixing cavity, the gas enters the gas inlet cavity, the air and the gas are premixed in the premixing pipe and the pipe body, so that the primary air quantity is increased, the combustion is sufficient, and the emission of carbon monoxide and nitrogen oxide compounds is reduced.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a perspective cross-sectional view of the present utility model.
Fig. 3 is a cross-sectional view of the present utility model.
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.
As shown in fig. 1, 2 and 3, the gas distributing rod with the gas and air premixing cavity comprises a pipe body part 1, a gas outlet hole 2 arranged on the pipe body part and provided with a nozzle, a premixing pipe 3 communicated with the pipe body part, a gas inlet cavity 4 surrounding the premixing pipe and an air injection piece 5,
the gas inlet cavity 4 is provided with a gas inlet joint 41;
the air ejector 5 comprises an ejector head 51 and an air pipe 52 with hollow lower openings;
the injection head 51 is arranged in the gas inlet cavity 4 and sealed, the end part of the air pipe part 52 extends into the premixing pipe 3, a gas injection channel is formed by a gap between the air pipe part 52 and the premixing pipe 3, and gas and air are premixed in the premixing pipe 3 and the pipe body part 1.
As a further improvement of the utility model: the head 51 of the injection pipe is horn-shaped.
As a further improvement of the utility model: the air injection pipe 5 further comprises a supporting plate 53 which is arranged around the air pipe portion 52, and the end portion of the supporting plate 53 supports the premix pipe 3.
The pipe body 1, the premixing pipe 3, the gas inlet cavity 4 and the gas inlet joint 41 are integrally formed,
the air injection member 5 is fixedly connected or detachably connected with the gas inlet cavity 41.
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 (4)
1. The utility model provides a take gas pole that divides of gas and air premix chamber which characterized in that: comprises a pipe body, an air outlet hole arranged on the pipe body and provided with a nozzle, a premixing pipe communicated with the pipe body, a fuel gas inlet cavity surrounding the premixing pipe and an air injection piece,
a gas inlet connector is arranged on the gas inlet cavity;
the air injection piece comprises an injection head part with a hollow lower opening and an air pipe part;
the injection head is arranged in the gas inlet cavity and sealed, the end part of the air pipe part extends into the premixing pipe, a gas injection channel is formed by a gap between the air pipe part and the premixing pipe, and gas and air are premixed in the premixing pipe and the pipe body part.
2. The gas distribution rod with a gas and air premixing chamber according to claim 1, wherein: the injection head is in a horn shape.
3. The gas distribution rod with a gas and air premixing chamber according to claim 1, wherein: the air injection piece further comprises a supporting plate, the supporting plate is arranged around the air pipe part, and the end part of the supporting plate supports the premixing pipe.
4. A gas distributor bar with a gas and air premixing chamber according to claim 1, 2 or 3, characterized in that: the pipe body part, the premixing pipe, the gas inlet cavity and the gas inlet joint are integrally formed,
the air injection piece is fixedly connected or detachably connected with the gas inlet cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222774457.0U CN218914933U (en) | 2022-10-20 | 2022-10-20 | Gas distributing rod with gas and air premixing cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222774457.0U CN218914933U (en) | 2022-10-20 | 2022-10-20 | Gas distributing rod with gas and air premixing cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218914933U true CN218914933U (en) | 2023-04-25 |
Family
ID=86010888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222774457.0U Active CN218914933U (en) | 2022-10-20 | 2022-10-20 | Gas distributing rod with gas and air premixing cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218914933U (en) |
-
2022
- 2022-10-20 CN CN202222774457.0U patent/CN218914933U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |