CN218565581U - Gas water heater - Google Patents
Gas water heater Download PDFInfo
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- CN218565581U CN218565581U CN202220973819.6U CN202220973819U CN218565581U CN 218565581 U CN218565581 U CN 218565581U CN 202220973819 U CN202220973819 U CN 202220973819U CN 218565581 U CN218565581 U CN 218565581U
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Abstract
A gas water heater comprises a bottom shell, a burner, a gas distributing rod, a combustion chamber, a heat exchanger and a fan assembly, wherein the heat exchanger and the fan assembly are arranged at the upper part of the combustion chamber; the combustion chamber is arranged at the upper part of the combustor shell, the hot air with the long heat insulation gap and the wide heat insulation gap upwards serves as secondary air, and the air vertical to the secondary air hole flows upwards to serve as the secondary air. The long heat insulation cavity and the wide heat insulation cavity are provided with an upper air inlet hole assembly and a lower air inlet hole assembly, and air moves from bottom to top to enter the heat exchanger for heat exchange; the arrangement of the long heat insulation plate and the wide heat insulation plate of the combustion shell has low surface temperature, the heat insulation plates serve as heat exchange plates to convert hot air into secondary air, the combustor burns fully, the exhaust emission is small, and the gradient of load reduction is small.
Description
Technical Field
The utility model relates to a gas water heater.
Background
In the prior art, chinese patent 202122210754.8, a gas water heater comprises a stainless steel heat exchanger and a combustion chamber, wherein the lower end of a heat exchanger shell of the stainless steel heat exchanger is connected with the upper end of a combustion chamber shell of the combustion chamber, the gas water heater further comprises a heat insulation plate, the heat insulation plate is arranged on the inner peripheral side of the combustion chamber shell, a cooling cavity is formed between the heat insulation plate and the combustion chamber shell, and the upper end part of the cooling cavity extends into the heat exchanger shell; the combustion chamber shell is provided with a first air inlet communicated with the cooling cavity, and the upper end part of the cooling cavity is provided with an air outlet. There are problems in that: the combustor is positioned in the lower end of the combustion chamber shell, the temperature of the lower end of the combustion chamber is high, the temperature of a gas combustion cavity of a combustion monomer of the combustor is increased, and the gradient of load reduction is large; .
Chinese patent 201921870564.5, an air-cooled radiating burner and gas heater, wherein the burner includes combustion chamber subassembly and burner body, the combustion chamber subassembly sets up on the burner body, the combustion chamber subassembly is injectd and is had the combustion chamber cavity one side is formed with the cavity with be provided with the baffle subassembly between the combustion chamber cavity be provided with on the cavity with air inlet and the gas outlet that the cavity is linked together. The problems exist that: the lower part of the combustion chamber component has high temperature, the temperature of the combustor is high, and the gradient of load reduction is large.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at: the gas water heater has the features of high heat insulating performance of the combustion chamber, low outer surface temperature of the combustor casing and small load lowering gradient of the combustor.
The utility model discloses a realize like this: a gas water heater comprises a bottom shell, a burner, a gas distributing rod, a combustion chamber, a heat exchanger arranged at the upper part of the combustion chamber and a fan assembly, wherein the burner comprises a plurality of burner monomers, and each burner monomer comprises a gas combustion cavity, a flow guide part and an injection pipe part; it is characterized in that: the long wall plate and the wide wall plate of the combustion chamber are respectively provided with a long heat insulation cavity and a wide heat insulation cavity with upper openings, the lower parts of the long wall plate and the wide wall plate at the positions of the long heat insulation cavity and the wide heat insulation cavity are provided with lower air inlet hole groups which are arranged in a line, and the upper parts of the long wall plate and the wide wall plate are provided with upper air inlet hole groups;
also comprises a burner shell with an upper opening, a long heat-insulating plate and a wide heat-insulating plate,
the burner shell comprises a gas-distributing rod cavity and an air hole arranged on the bottom plate, which are arranged at the lower part of one end in the length direction, a vertical wall plate at the gas-distributing rod cavity is provided with an injection hole, a vertical secondary air hole is arranged on the top plate,
the lower end of the long heat insulation plate is fixed with the long wall plate of the combustor shell, a long heat insulation gap is formed between the long heat insulation plate and the long wall plate, and a secondary air hole is formed in the long wall plate of the combustor shell at the long heat insulation gap; the wide heat insulation plate is arranged on the suspended wide wall plate of the combustor shell and forms a wide heat insulation gap with the wide wall plate;
the combustor is arranged in the combustor shell, the injection pipe part is butted with the injection hole, and the long heat insulation gap and the wide heat insulation gap correspond to the part of the gas combustion chamber; the combustion chamber is arranged at the upper part of the combustor shell, the hot air with the long heat insulation gap and the wide heat insulation gap upwards serves as secondary air, and the air vertical to the secondary air hole flows upwards to serve as the secondary air.
The gas water heater is characterized in that: the lower air inlet hole group is provided with one row at the lower part, and the upper air inlet hole group is provided with two rows at the upper part.
The gas water heater is characterized in that: and corner heat insulation cavities are arranged at the corners of the intersection of the long heat insulation cavities and the wide heat insulation cavities.
The gas water heater is characterized in that: the sectional area of the combustor shell is smaller than that of the combustion chamber.
The gas water heater is characterized in that: the long heat insulation gap is opposite to a gas combustion cavity of a combustion monomer of the combustor, and the wide heat insulation gap is opposite to one end of the gas combustion cavity.
The utility model relates to a gas water heater, because of adopting the structure, the long heat insulation cavity and the wide heat insulation cavity are provided with an upper air inlet hole component and a lower air inlet hole group, the air moves from bottom to top, and the heat energy enters the heat exchanger for heat exchange; the arrangement of the long heat insulation plate and the wide heat insulation plate of the combustion shell has low surface temperature, the heat insulation plate is used as a heat exchange plate to convert hot air into secondary air, the combustor is fully combusted, the exhaust emission is small, and the gradient of load reduction is small.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is a perspective view of the main body of the present invention.
Fig. 4 is an exploded perspective view of the main body of the present invention.
Fig. 5 is a perspective view of the combustion chamber of the present invention.
Fig. 6 is a cross-sectional view of the combustion chamber of the present invention.
Fig. 7 is one of perspective views of the burner housing of the present invention.
Fig. 8 is a second perspective view of the burner housing of the present invention.
Fig. 9 is a cross-sectional view of the burner housing of the present invention.
Fig. 10 is a perspective view of the burner unit 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 or similar 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 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 fig. 1 and 2, a gas water heater comprises a bottom shell 1, a burner 2, a gas distributing rod 3, a combustion chamber 4, a heat exchanger 5 arranged at the upper part of the combustion chamber and a fan assembly 6, wherein the burner 2 comprises a plurality of burner units 21, and as shown in fig. 10, each burner unit 21 comprises a gas combustion cavity 211, a flow guide part and an injection pipe part 212;
the long wall plate and the wide wall plate of the combustion chamber 4 are respectively provided with a long heat insulation cavity 41 and a wide heat insulation cavity 42 with upper openings, the lower parts of the long wall plate and the wide wall plate at the positions of the long heat insulation cavity 41 and the wide heat insulation cavity 42 are provided with lower air inlet hole groups 43 arranged in rows, and the upper parts of the long wall plate and the wide wall plate are provided with upper air inlet hole groups 44; cold air enters the long heat insulation cavity 41 and the wide heat insulation cavity 42 from the lower air inlet hole group 43 and flows from bottom to top, the cold air exchanges heat with the wall plates of the long heat insulation cavity 41 and the wide heat insulation cavity 42, then is mixed with the air entering the upper air inlet hole group 43 and exchanges heat with the heat exchanger 5, the temperature of the outer surface of the combustion chamber 4 is low, and the heat energy loss is reduced;
further comprises a burner housing 7 with an upper opening, a long heat-insulating plate 81 and a wide heat-insulating plate 82,
the burner shell 7 comprises a gas distributing rod cavity 71 arranged at the lower part of one end in the length direction and an air hole 72 arranged on the bottom plate, a vertical wall plate at the gas distributing rod cavity 71 is provided with an injection hole 711, a vertical secondary air hole 712 is arranged on the top plate,
the lower end of the long heat insulation plate 81 is fixed with the long wall plate of the combustor case 7, and a long heat insulation gap 811 is arranged between the lower end of the long heat insulation plate and the long wall plate, and a secondary air hole 73 is arranged on the long wall plate of the combustor case 7 at the long heat insulation gap 811; the wide heat insulation plate 82 is arranged on a suspended wide wall plate of the combustor shell 7 and forms a wide heat insulation gap 821 with the wide wall plate, and a secondary air hole 73 is arranged on the wide wall plate of the combustor shell 7 at the wide heat insulation gap 821;
the burner 2 is arranged in the burner shell 7, the injection pipe part 212 is butted with the injection hole 711, and the long heat insulation gap 811 and the wide heat insulation gap 821 correspond to the gas combustion chamber part 211; the combustion chamber 4 is provided at an upper portion of the burner housing 7, and cool air enters the long heat insulation gap 811 and the wide heat insulation gap 821 through the secondary air hole 73 and moves upward to be changed into hot air as secondary air to be burned by the burner 2, and air flowing in the vertical secondary air hole 712 flows upward as secondary air. Due to the arrangement of the combustor shell 7, the temperature rise in the bottom shell 1 is small, the temperature rise of the combustor 2 is reduced, the load is reduced, and the energy efficiency is improved.
The lower air inlet hole group 43 is provided with one row at the lower part, the upper air inlet hole group 44 is provided with two rows at the upper part, air moves from bottom to top, heat is absorbed in the long heat insulation cavity 41 and the wide heat insulation cavity 42, the appearance temperature of the combustion chamber 4 is reduced, heat exchange is carried out between hot air and the heat exchanger 5, the heat exchange efficiency is improved, and the temperature of discharged oil smoke is reduced.
The corner at the intersection of the long insulating chamber 41 and the wide insulating chamber 42 is provided with a corner insulating chamber 4A.
The cross-sectional area of the burner housing 7 is smaller than the cross-sectional area of the combustion chamber 4.
The long heat insulating gap 811 is opposed to the gas combustion chamber 211 of the combustion unit 21 of the burner 2, and the wide heat insulating gap 821 is opposed to one end of the gas combustion chamber 211.
While embodiments of the 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 invention, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. A gas water heater comprises a bottom shell, a burner, a gas distributing rod, a combustion chamber, a heat exchanger arranged at the upper part of the combustion chamber and a fan assembly, wherein the burner comprises a plurality of burner monomers, and each burner monomer comprises a gas combustion cavity, a flow guide part and an injection pipe part; the method is characterized in that: the long wall plate and the wide wall plate of the combustion chamber are respectively provided with a long heat insulation cavity and a wide heat insulation cavity with upper openings, the lower parts of the long wall plate and the wide wall plate at the positions of the long heat insulation cavity and the wide heat insulation cavity are provided with lower air inlet hole groups which are arranged in a line, and the upper parts of the long wall plate and the wide wall plate are provided with upper air inlet hole groups;
also comprises a burner shell with an upper opening, a long heat-insulating plate and a wide heat-insulating plate,
the burner shell comprises a gas distributing rod cavity and an air hole arranged on the bottom plate, which are arranged at the lower part of one end in the length direction, a vertical wall plate at the gas distributing rod cavity is provided with an injection hole, a vertical secondary air hole is arranged on the top plate,
the lower end of the long heat insulation plate is fixed with the long wall plate of the combustor shell, a long heat insulation gap is formed between the long heat insulation plate and the long wall plate, and a secondary air hole is formed in the long wall plate of the combustor shell at the long heat insulation gap; the wide heat insulation plate is arranged on the suspended wide wall plate of the combustor shell and forms a wide heat insulation gap with the wide wall plate, and a secondary air hole is formed in the wide wall plate at the wide heat insulation gap;
the combustor is arranged in the combustor shell, the injection pipe part is butted with the injection hole, and the long heat insulation gap and the wide heat insulation gap correspond to the part of the gas combustion chamber; the combustion chamber is arranged at the upper part of the combustor shell, the hot air with the long heat insulation gap and the wide heat insulation gap upwards serves as secondary air, and the air vertical to the secondary air hole flows upwards to serve as the secondary air.
2. A gas water heater as defined in claim 1, wherein: the lower air inlet hole group is provided with one row at the lower part, and the upper air inlet hole group is provided with two rows at the upper part.
3. A gas water heater as defined in claim 1, wherein: and corner heat insulation cavities are arranged at the corners of the intersection of the long heat insulation cavities and the wide heat insulation cavities.
4. A gas water heater as defined in claim 1, wherein: the sectional area of the combustor shell is smaller than that of the combustion chamber.
5. A gas water heater as claimed in claim 1, 2, 3 or 4, wherein: the long heat insulation gap is opposite to a gas combustion cavity of a combustion monomer of the combustor, and the wide heat insulation gap is opposite to one end of the gas combustion cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220973819.6U CN218565581U (en) | 2022-04-25 | 2022-04-25 | Gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220973819.6U CN218565581U (en) | 2022-04-25 | 2022-04-25 | Gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218565581U true CN218565581U (en) | 2023-03-03 |
Family
ID=85303077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220973819.6U Active CN218565581U (en) | 2022-04-25 | 2022-04-25 | Gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218565581U (en) |
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2022
- 2022-04-25 CN CN202220973819.6U patent/CN218565581U/en active Active
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