CN217031617U - Gas combustion heat exchange device, gas water heater and wall-mounted furnace - Google Patents
Gas combustion heat exchange device, gas water heater and wall-mounted furnace Download PDFInfo
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- CN217031617U CN217031617U CN202220696202.4U CN202220696202U CN217031617U CN 217031617 U CN217031617 U CN 217031617U CN 202220696202 U CN202220696202 U CN 202220696202U CN 217031617 U CN217031617 U CN 217031617U
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Abstract
A gas combustion heat exchange device comprises a cylindrical shell with openings at two ends, a combustor, a gas air inlet pipe, a gas air mixer, a heat exchanger, an annular seat, a combustor seat plate, an end cover and a smoke exhaust pipe communicated with the end cover, wherein a secondary air inlet hole is formed in the combustor seat plate and arranged around a combustor mounting hole. A gas water heater comprises the gas combustion heat exchange device. A wall-mounted gas stove comprises a gas combustion heat exchange device. The secondary air hole is arranged, so that air is sufficient when the combustor burns, the combustion is sufficient, and the energy efficiency is improved.
Description
Technical Field
The utility model relates to a gas combustion heat exchange device, a gas water heater and a wall-mounted furnace.
Background
In the prior art, chinese patent 201921984148.8 discloses a fully premixed combustion heat exchange device for a wall-mounted gas boiler, which includes a cylindrical heat exchange chamber, a smoke evacuation port, a cylindrical heat exchanger and a burner with openings at both ends, a heat insulation plate, a fan, and a gas-air mixer, wherein the gas-air mixer includes a mixing chamber portion with a mixing air outlet, an air inlet pipe and a gas inlet pipe, and the air inlet pipe and the gas inlet pipe are respectively communicated with the mixing chamber portion; the heat insulation plate is arranged in the cylindrical heat exchanger, the heat insulation plate is adjacent to the closed end of the cylindrical heat exchange cavity, the heating water return pipe extends out of the cylindrical heat exchange cavity between the heat insulation plate and the closed end of the cylindrical heat exchange cavity, and the hot water outlet pipe extends out of one end of the cylindrical heat exchange cavity, which is adjacent to the combustor; the air outlet end of the fan is communicated with the injection pipe, and the mixed air outlet of the mixing chamber part is communicated with the air inlet end of the fan. The problems exist that: the burner is insufficient in combustion and low in energy efficiency.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the gas combustion heat exchange device has the characteristics of sufficient combustion of secondary air and a combustor and improved energy efficiency.
The utility model is realized by the following steps: a gas combustion heat exchange device comprises a cylindrical shell with openings at two ends, a combustor, a gas air inlet pipe, a gas air mixer, a heat exchanger, an annular seat, a combustor seat plate, an end cover and a smoke exhaust pipe communicated with the end cover, wherein a combustor mounting hole is formed in the combustor seat plate, and the smoke exhaust pipe is communicated with a smoke exhaust hole of the end cover; it is characterized in that: and a secondary air inlet is arranged on the burner base plate and surrounds the burner mounting hole.
The gas combustion heat exchange device is characterized in that: the annular heat insulation plate is provided with a secondary air hole;
the annular heat insulation plate is attached to the inner surface of the combustor base plate, and secondary air holes of the annular heat insulation plate are communicated with secondary air holes of the combustor base plate.
The gas combustion heat exchange device is characterized in that: the smoke exhaust pipe comprises a connector, a vertical pipe part, a top horizontal pipe part and a smoke exhaust connector, and the connector is communicated with the smoke exhaust hole in the end cover.
The gas combustion heat exchange device is characterized in that: the top horizontal duct portion is located above the cylindrical shell.
A gas water heater comprises the gas combustion heat exchange device.
A wall-mounted gas stove comprises the gas combustion heat exchange device.
According to the gas combustion heat exchange device, the secondary air holes are formed, so that air is sufficient when the burner burns, the burner burns fully, and the energy efficiency is improved.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a partial cross-sectional view of the present invention.
Fig. 3 is one of the exploded perspective views of the present invention.
Fig. 4 is a second exploded perspective view of the present invention.
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 functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
As shown in figure 1, a gas combustion heat exchange device comprises a cylindrical shell 1 with openings at two ends, a combustor 2, a gas air inlet pipe 3, a gas air mixer 4, a heat exchanger 5, an annular seat 6, a combustor seat plate 7, an end cover 8 and a smoke exhaust pipe 9 communicated with the end cover, wherein a combustor mounting hole is formed in the combustor seat plate 7, the annular seat 6 and the end cover 8 are arranged at two ends of the cylindrical shell 1, two ends of the heat exchanger 5 are fixed with the annular seat 6 and the end cover 8, the combustor 2 extends out of the heat exchanger 5, and the smoke exhaust pipe 9 is communicated with a smoke exhaust hole of the end cover 8;
and a secondary air inlet hole 71 is formed in the combustor base plate 7, and the secondary air inlet hole 71 is arranged around the combustor mounting hole. The diameter of the circle of the secondary air intake holes 71 is larger than the diameter of the burner 2. The secondary air entering through the secondary air holes 71 surrounds the burner.
As a further improvement of the utility model: the heat-insulating ring is characterized by also comprising an annular heat-insulating plate 10, wherein the annular heat-insulating plate 10 is provided with a secondary air hole 101;
the ring-shaped heat-insulating plate 10 is attached to the inner surface of the burner seating plate 7, and the secondary air holes 101 of the ring-shaped heat-insulating plate 10 communicate with the secondary air holes 71 of the burner seating plate 7.
As a further improvement of the utility model: the smoke exhaust pipe 9 comprises a connector 91, a vertical pipeline part 92, a top horizontal pipeline part 93 and a smoke exhaust connector 94, and the connector 91 is communicated with a smoke exhaust hole in the end cover 8;
the top horizontal duct portion 93 is located above the cylindrical casing 1.
A gas water heater comprises the gas combustion heat exchange device.
A wall-mounted gas stove comprises the gas combustion heat exchange device.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. A gas combustion heat exchange device comprises a cylindrical shell with openings at two ends, a combustor, a gas air inlet pipe, a gas air mixer, a heat exchanger, an annular seat, a combustor seat plate, an end cover and a smoke exhaust pipe communicated with the end cover, wherein the combustor seat plate is provided with a combustor mounting hole, and the smoke exhaust pipe is communicated with a smoke exhaust hole of the end cover; the method is characterized in that: and a secondary air inlet is arranged on the burner base plate and surrounds the burner mounting hole.
2. The gas combustion heat exchange device of claim 1, wherein: the annular heat insulation plate is provided with secondary air holes;
the annular heat insulation plate is attached to the inner surface of the combustor base plate, and secondary air holes of the annular heat insulation plate are communicated with secondary air holes of the combustor base plate.
3. The gas combustion heat exchange device of claim 1, wherein: the smoke exhaust pipe comprises a connector, a vertical pipe part, a top horizontal pipe part and a smoke exhaust connector, and the connector is communicated with the smoke exhaust hole in the end cover.
4. A gas combustion heat exchange unit according to claim 3, characterized in that: the top horizontal duct portion is located above the cylindrical shell.
5. A gas water heater is characterized in that: comprising the gas combustion heat exchange device of any one of claims 1 to 4.
6. A gas hanging stove which is characterized in that: comprising the gas combustion heat exchange device of any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220696202.4U CN217031617U (en) | 2022-03-28 | 2022-03-28 | Gas combustion heat exchange device, gas water heater and wall-mounted furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220696202.4U CN217031617U (en) | 2022-03-28 | 2022-03-28 | Gas combustion heat exchange device, gas water heater and wall-mounted furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217031617U true CN217031617U (en) | 2022-07-22 |
Family
ID=82413618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220696202.4U Active CN217031617U (en) | 2022-03-28 | 2022-03-28 | Gas combustion heat exchange device, gas water heater and wall-mounted furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217031617U (en) |
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2022
- 2022-03-28 CN CN202220696202.4U patent/CN217031617U/en active Active
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