CN216204377U - Gas heater's combustor that sets up fairing - Google Patents
Gas heater's combustor that sets up fairing Download PDFInfo
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- CN216204377U CN216204377U CN202122681133.8U CN202122681133U CN216204377U CN 216204377 U CN216204377 U CN 216204377U CN 202122681133 U CN202122681133 U CN 202122681133U CN 216204377 U CN216204377 U CN 216204377U
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Abstract
A burner with a rectifying device for a gas water heater is formed by buckling a front half body and a rear half body, a fire grate comprises a head diffusion area, a fire hole arranged at the top of the head diffusion area, a flow guide area, a diffusion turning area and an injection pipe, longitudinally arranged protrusions protruding from the outer surface to the inner surface are respectively arranged at the opposite parts of the front half body and the rear half body to the flow guide area, a vertical flow guide groove is formed by a gap between every two adjacent protrusions, the protrusions on the front half body and the rear half body are opposite and have a gap or are attached to each other, the protrusions on the front half body, the protrusions on the rear half body and the gaps form the rectifying device, and the rectifying device enables gas and air mixed gas to form vertical airflow. The rectifying device plays a role in slowing and stabilizing flow and forming vertically upward airflow, the gas and air mixed gas in the head pressure expansion area is uniformly distributed, the flow velocity of the gas and air mixed gas at each fire hole is relatively uniform, and the front and rear heights of the flame are consistent.
Description
Technical Field
The utility model relates to a gas water heater, in particular to a burner of the gas water heater.
Background
In the prior art, when the length of a fire hole part of an existing burner (fire grate) is long, the heat load of a single burner (fire grate) is high, the flow rate of mixed gas of gas and air is high, the flow rate is limited by the size in the height direction, and the mixed gas has a serious forward tilting phenomenon at the fire hole outlet in the flowing direction, so that flame is inclined forwards, the inner wall of a combustion chamber or a heat exchanger enclosure frame is burnt, the service life of a water heater is influenced or even the safety of the water heater is influenced due to overtemperature;
the flow passage structure of the existing burner (fire grate) can cause the air flow speed at the tail part to be too high, and the phenomenon that the fire hole at the tail part is away from flame exists, so that incomplete combustion is caused, and the CO content index is influenced.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the burner provided with the rectifying device for the gas water heater has the characteristics of relatively uniform flow velocity of mixed gas of gas and air at each fire hole and high energy efficiency.
The utility model is realized by the following steps: the utility model provides a gas heater's combustor that sets up fairing, the combustor is made by preceding halfbody and back halfbody lock, and the fire is arranged including head diffusion district, is established burner, flow guide district, diffusion turn to district and is drawn the ejector tube at head diffusion district top, and its special character lies in: the front half body and the rear half body are provided with a vertical flow guiding groove, the front half body and the rear half body are opposite to the flow guiding area, the front half body and the rear half body are provided with a gap, the front half body and the rear half body are opposite to each other, the rear half body is provided with a gap, the front half body and the rear half body are attached to each other, the front half body and the rear half body are provided with a gap, the front half body and the rear half body are provided with a flow guiding device, and the flow guiding device enables gas and air mixture to form vertical airflow.
The combustor provided with the rectifying device of the gas water heater is characterized in that: the height of the bulge is gradually reduced from the part of the rectifying area opposite to the diffusion turning area to the suspension end.
The combustor provided with the rectifying device of the gas water heater is characterized in that: the injection pipe comprises a truncated cone-shaped air suction compression area, a throat and a mixed pressure expansion area, and the mixed pressure expansion area is communicated with the pressure expansion turning area.
The burner provided with the rectifying device of the gas water heater has the advantages that the rectifying device plays a role in slow flow and steady flow and forms vertically upward air flow, the gas and air mixed gas in the head diffusion area is uniformly distributed, the flow rate and the flow speed of the gas and the air mixed gas at each fire hole are relatively uniform, and the front and back heights of flames are consistent.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is a top view of the present invention.
Fig. 4 is a perspective view of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, a burner with a rectifying device for a gas water heater, wherein the burner 1 is formed by buckling a front half body and a rear half body, and the burner 1 comprises a head diffusion area 2, a fire hole 3 arranged at the top of the head diffusion area, a flow guide area 4, a diffusion turning area 5 and an injection pipe 6;
the front half body and the rear half body are respectively provided with a longitudinally arranged bulge 41 which is convex from the outer surface to the inner surface at the position opposite to the diversion area 4, the bulges 41 on the front half body and the rear half body are opposite and have a gap, the gap between two adjacent bulges 41 forms a vertical diversion trench, the bulges 41 on the front half body, the bulges 41 on the rear half body and the gap form a rectifying device, and the rectifying device enables the gas and air mixture to form vertical airflow. It can also be: the protrusions 41 on the front half body and the rear half body are opposite, fit and sealed, and the vertical flow guide groove on the front half body and the vertical flow guide groove on the rear half body form a vertical flow guide cavity.
As shown in fig. 1, the height of the protrusion 41 gradually decreases from the portion of the rectifying section 4 opposite to the diffuser turning section 5 to the free end.
The injection pipe 6 comprises a truncated cone-shaped air suction compression area 61, a throat 62 and a mixed pressure expansion area 63, and the mixed pressure expansion area 63 is communicated with the pressure expansion turning area 5; the volume of the mixing and pressure-expanding region 63 gradually increases in the direction of the gas flow.
What has been described above is merely a preferred embodiment of the present invention. It should be noted that a person skilled in the art could make several modifications and variations without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a gas heater's combustor that sets up fairing, the combustor is made by preceding halfbody and back halfbody lock, and the fire is arranged including head diffusion district, is established burner, flow guide district, diffusion turn to district and is drawn the ejector pipe at head diffusion district top, its characterized in that: the front half body and the rear half body are provided with a vertical flow guiding groove, the front half body and the rear half body are opposite to the flow guiding area, the front half body and the rear half body are provided with a gap, the front half body and the rear half body are opposite to each other, the rear half body is provided with a gap, the front half body and the rear half body are attached to each other, the front half body and the rear half body are provided with a gap, the front half body and the rear half body are provided with a flow guiding device, and the flow guiding device enables gas and air mixture to form vertical airflow.
2. The burner provided with a rectifying device of a gas water heater according to claim 1, characterized in that: the height of the bulge is gradually reduced from the part of the rectifying area opposite to the diffusion turning area to the suspension end.
3. The burner provided with a rectifying device of a gas water heater according to claim 1 or 2, characterized in that: the injection pipe comprises a truncated cone-shaped air suction compression area, a throat and a mixed pressure expansion area, and the mixed pressure expansion area is communicated with the pressure expansion turning area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122681133.8U CN216204377U (en) | 2021-11-03 | 2021-11-03 | Gas heater's combustor that sets up fairing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122681133.8U CN216204377U (en) | 2021-11-03 | 2021-11-03 | Gas heater's combustor that sets up fairing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216204377U true CN216204377U (en) | 2022-04-05 |
Family
ID=80901432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122681133.8U Active CN216204377U (en) | 2021-11-03 | 2021-11-03 | Gas heater's combustor that sets up fairing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216204377U (en) |
-
2021
- 2021-11-03 CN CN202122681133.8U patent/CN216204377U/en active Active
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| GR01 | Patent grant | ||
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