CN219284019U - Wall-mounted furnace and main heat exchanger thereof - Google Patents
Wall-mounted furnace and main heat exchanger thereof Download PDFInfo
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- CN219284019U CN219284019U CN202223407955.8U CN202223407955U CN219284019U CN 219284019 U CN219284019 U CN 219284019U CN 202223407955 U CN202223407955 U CN 202223407955U CN 219284019 U CN219284019 U CN 219284019U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model discloses a wall-mounted furnace and a main heat exchanger thereof, comprising: the side plate comprises a first side plate and a second side plate, the first side plate is outwards stretched along the side surface of the first side plate to form a hollow boss, and the first side plate and the second side plate enclose a boss inner cavity; the two ends of the heat exchange tubes penetrate through the second side plate and are arranged in the inner cavity of the boss; the heat collecting plates are sleeved on the heat exchange tube, a flue is formed between the heat collecting plates and the second side plate, and a flue gas turbulence part arranged in the flue is arranged on the heat collecting plates; the turbulence plate and the turbulence spring are arranged in the heat exchange tube and are welded and fixed with the heat exchange tube; the turbulence spring is sleeved on the turbulence sheet; the heat exchange tube water inlet joint and the heat exchange tube water outlet joint are communicated with the heat exchange tube through the boss. According to the utility model, the heat exchange tubes are connected through the boss inner cavity, so that the heat loss is reduced; the combination of the turbulent flow plate and the turbulent flow spring is adopted to improve the heat exchange efficiency of the water flow in the heat exchange tube and the heat exchange tube, thereby improving the heat exchange effect of the main heat exchanger.
Description
Technical Field
The utility model relates to the technical field of wall-mounted furnace equipment, in particular to a wall-mounted furnace and a main heat exchanger thereof.
Background
The wall-hanging stove, also called as gas wall-hanging heating stove, is a water heater using natural gas as energy source, natural gas, artificial gas or liquefied gas etc. as fuel, and through the combustion chamber, its flue gas carries heat, and the heat is absorbed by heat exchanger, and then the circulating water in heating system can make heat exchange when passing through heat exchanger, and can provide heat source for building, etc..
The main heat exchanger of the wall-mounted boiler is a part for carrying out heat exchange between smoke generated after combustion and water in a system, and the main form of the main heat exchanger comprises a fin type heat exchanger and a shell-and-tube type heat exchanger, and the fin type heat exchanger is more applied at present. The fin type main heat exchanger comprises fins, baffles, water inlet and outlet joints, connecting pipes, main water pipes, welding rods between the fins and the main water pipes, wherein the baffles are arranged at two ends of the fins, the main water pipes penetrate through the baffles, two adjacent main pipes are communicated through the connecting pipes, two ends of a main pipe passage are respectively connected with the water inlet joints and the water outlet joints, and the fins are welded with the main water pipes through the welding rods.
However, due to the large volume of the connection pipe, the connection pipe is usually arranged outside the combustion chamber, which causes heat loss when water in the heat exchange pipe flows through the connection pipe, thereby affecting the heat exchange efficiency of the whole main heat exchanger. Meanwhile, due to the influence of factors such as flow velocity and gravity in the heat exchange tube, laminar flow phenomenon exists in water flow in the heat exchange tube, and the water flow cannot perform sufficient heat exchange with the heat exchange tube, so that the heat exchange efficiency is low.
Accordingly, there is an urgent need to improve the wall-mounted boiler and the heat exchanger in the prior art to reduce the heat loss of the heat exchanger and improve the heat exchange efficiency of the heat exchanger.
Disclosure of Invention
The utility model aims to solve the technical problems of high heat loss and low heat exchange efficiency of the existing wall-mounted furnace and the heat exchanger thereof.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a wall-hanging stove main heat exchanger comprising:
the side plate comprises a first side plate and a second side plate, the first side plate is outwards stretched along the side surface of the first side plate far away from the second side plate to form a hollow boss, and an opening of the boss and the second side plate enclose a boss inner cavity;
the two ends of the heat exchange tubes penetrate through the second side plate and are arranged in the inner cavity of the boss;
the heat collecting sheets are arranged between the second side plates at two sides and sleeved on the heat exchange tube, a smoke turbulence part and a smoke diversion hole are arranged on the heat collecting sheets, the adjacent heat collecting sheets and the heat collecting sheets are arranged opposite to the second side plates to form a flue, and the smoke turbulence part is arranged in the flue;
the turbulence plate and the turbulence spring are arranged in the heat exchange tube and are welded and fixed with the heat exchange tube; the turbulence spring is sleeved on the turbulence sheet;
the heat exchange tube water inlet joint and the heat exchange tube water outlet joint are connected with the boss and are communicated with the heat exchange tube through the boss.
In the above technical solution, preferably, the heat exchange tubes are connected in series or in parallel through the boss inner cavities.
In the above aspect, preferably, the turbulence plate includes:
the turbulent flow sheet body is arranged along the length direction of the heat exchange tube, and a plurality of diversion holes are arranged on the turbulent flow sheet body along the length direction;
the spoiler extends outwards along the diversion hole, and an included angle between the spoiler and the turbulence sheet body is an acute angle; the turbulence plates are distributed on two sides of the turbulence plate body, and adjacent turbulence plates are arranged on opposite sides of the turbulence plate body.
In the above technical scheme, preferably, be equipped with spring limit structure on the top surface of turbulent flow piece body, include:
the limiting end plates are arranged at two ends of the turbulence plate body;
the supporting plates are arranged at intervals between the limiting end plates, and spring limiting grooves are formed between the supporting plates and the limiting end plates.
In the above technical solution, preferably, the support plates are disposed obliquely on the top surface of the turbulence plate body, and the oblique directions of the adjacent support plates are opposite.
In the above-described aspect, preferably, the turbulence plate is spiral.
In the above technical solution, preferably, the heat exchange tube is elliptical, and a transverse axis length of a cross section of the heat exchange tube is greater than a vertical axis length thereof.
In the above technical solution, preferably, the shape and the size of the cross section of the turbulence spring are adapted to the shape and the size of the cross section of the heat exchange tube.
In the above technical solution, preferably, the first side plate is provided with a riveting flange, the riveting flange is disposed on a side surface of the first side plate, which is close to the second side plate, and the riveting flange encloses a window;
the second side plate is arranged in the window and is welded and fixed with the first side plate through the riveting flanging.
The wall-mounted furnace comprises the wall-mounted furnace main heat exchanger, wherein an upper supporting plane and a lower supporting plane are arranged on the top surface and the bottom surface of the boss; further comprises:
the combustion chamber comprises a combustion chamber side wall, a flue gas outlet is formed in the upper end of the combustion chamber in a surrounding mode, and the flue gas outlet is communicated with the flue; the wall-mounted furnace main heat exchanger is arranged above the combustion chamber, and the lower supporting plane is in abutting connection with the top surface of the side wall of the combustion chamber;
the fume collecting hood is arranged above the main heat exchanger of the wall-mounted boiler, and the bottom surface of the fume collecting hood is in butt joint with the upper supporting plane.
Compared with the prior art, the wall-mounted furnace and the main heat exchanger thereof provided by the utility model have the advantages that the heat exchange tubes are communicated through the boss inner cavities on the side plates, so that the distance of the communicating parts through which hot water in the heat exchange tubes needs to pass is greatly reduced, the leakage of the connecting parts of the heat exchange tubes is effectively avoided, and the heat loss in the heat exchange process of the heat exchange tubes is reduced. According to the utility model, the combination of the turbulence plate and the turbulence spring is adopted, the water resistance is increased through the turbulence spring, the flow direction of water flow in the tube is changed through the turbulence plate, and the heat exchange efficiency of the water flow in the heat exchange tube and the heat exchange tube is improved, so that the heat exchange effect of the main heat exchanger is improved.
Drawings
FIG. 1 is a schematic structural view of a wall-mounted boiler according to the present utility model;
FIG. 2 is a perspective view of a main heat exchanger of a wall-mounted boiler in accordance with the present utility model;
FIG. 3 is a schematic structural view of a main heat exchanger of a wall-mounted boiler according to the present utility model;
FIG. 4 is a schematic view of the structure of the first side plate according to the present utility model;
FIG. 5 is a schematic view of a heat collecting plate according to the present utility model;
FIG. 6 is a perspective view of a turbulence plate in accordance with the present utility model.
FIG. 7 is a side view of a turbulence plate of the present utility model.
The correspondence between the names and the reference numerals of the respective components in fig. 1 to 7 is as follows:
a side plate 1, a heat exchange tube 2, a heat collecting plate 3, a turbulence plate 4, a turbulence spring 5, a heat exchange tube water inlet joint 6, a heat exchange tube water outlet joint 7, a combustion chamber 8, a fume collecting hood 9,
a first side plate 11, a second side plate 12, a boss 13, a rivet flange 14, a window 15, an upper support plane 16, a lower support plane 17,
a flue gas turbulence part 31, a flue gas diversion hole 32, a flue 33,
the turbulence plate comprises a turbulence plate body 41, a turbulence plate 42, a diversion hole 43, a limiting end plate 44, a supporting plate 45 and a spring limiting groove 46.
Detailed Description
The utility model provides a wall-mounted furnace and a main heat exchanger thereof, wherein heat exchange pipes are connected through the inner cavities of bosses, so that the heat loss in the heat exchange process of the heat exchange pipes is reduced; the combination of the turbulent flow plate and the turbulent flow spring is adopted to improve the heat exchange efficiency of the water flow in the heat exchange tube and the heat exchange tube, thereby improving the heat exchange effect of the main heat exchanger. The utility model is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1 to 7, the wall-mounted boiler heat exchanger provided by the utility model comprises a side plate 1, a plurality of heat exchange tubes 2, a plurality of heat collection sheets 3, turbulence sheets 4, turbulence springs 5, a heat exchange tube water inlet joint 6 and a heat exchange tube water outlet joint 7, wherein the heat exchange tubes 2 are arranged in parallel.
The side plate 1 comprises a first side plate 11 and a second side plate 12, the first side plate 11 is outwards stretched along the side surface of the side plate far away from the second side plate 12 to form a hollow boss 13, and an opening of the boss 13 and the second side plate 12 enclose a boss inner cavity.
The first side plate 11 is provided with a riveting flanging 14, the riveting flanging 14 is arranged on the side surface of the first side plate 11, which is close to the second side plate 12, the riveting flanging 14 encloses a window 15, and the second side plate 12 is arranged in the window 15 and is welded and fixed with the first side plate 11 through the riveting flanging 14. The second side plate 12 is welded and fixed with the first side plate 11 through the riveting flanging 12, so that the number of welding spots and the welding area of the first side plate 11 and the second side plate 12 are reduced, and the welding difficulty of the first side plate 11 and the second side plate 12 is reduced.
The two ends of the heat exchange tube 2 penetrate through the second side plate 12 and are arranged in the boss inner cavity, and the heat exchange tube 2 is connected in series or in parallel through the boss inner cavity. The heat exchange tube 2 is oval, and the cross-axis length of the cross section of the heat exchange tube 2 is greater than the vertical axis length thereof, so that on one hand, the arrangement density of the heat exchange tube 2 is increased, and on the other hand, the uniformity degree of heat distribution of the heat exchange tube 2 is improved through the oval heat exchange tube 2, and heat accumulation at the lower part of the heat exchange tube 2 is avoided, and the heat exchange efficiency of the heat exchange tube 2 is influenced.
The heat collecting plate 3 is arranged between the second side plates 13 on two sides, the heat collecting plate 3 is sleeved on the heat exchange tube 2, the heat collecting plate 3 is provided with a flue gas spoiler 31 and a flue gas diversion hole 32, the adjacent heat collecting plate 3 and the heat collecting plate 3 are oppositely arranged with the second side plates 12 to form a flue 33, and the flue gas spoiler 31 is arranged on the flue 33.
The turbulence plate 4 and the turbulence spring 5 are arranged in the heat exchange tube 2 and are welded and fixed with the heat exchange tube 2. The turbulent flow spring 5 is sleeved on the turbulent flow sheet 4, and the shape and the size of the cross section of the turbulent flow spring 5 are matched with those of the cross section of the heat exchange tube 2.
The turbulence plate 4 may be in the form of a sheet or a spiral.
When the turbulence sheet 4 is sheet-shaped, the turbulence sheet 4 comprises a turbulence sheet body 41 and a turbulence plate 42, the turbulence sheet body 41 is arranged along the length direction of the heat exchange tube 2, and a plurality of diversion holes 43 are arranged along the length direction of the turbulence sheet body 41. The spoiler 42 extends outwards along the diversion hole 43, and an included angle between the spoiler 42 and the turbulence plate body 41 is an acute angle. The turbulence plates 42 are distributed on two sides of the turbulence plate body 41, and adjacent turbulence plates 42 are arranged on opposite sides of the turbulence plate body 41, so that water flow is uniformly distributed along the turbulence plate body 41, and heat exchange is fully performed with the heat exchange tube 2.
The top surface of the turbulence plate body 41 is provided with a spring limiting structure which comprises a limiting end plate 44 and a plurality of supporting plates 45. The limiting end plates 44 are arranged at two ends of the turbulence plate body 41, a plurality of supporting plates 45 are arranged at intervals between the limiting end plates 44, and spring limiting grooves 46 are formed between the supporting plates 45 and the limiting end plates 44. The support plates 45 are inclined on the top surface of the turbulence plate body 41, and the inclination directions of the adjacent support plates 45 are opposite.
The wall-mounted furnace provided by the utility model comprises the wall-mounted furnace main heat exchanger, the combustion chamber 8 and the fume collecting hood 9, wherein an upper supporting plane 16 and a lower supporting plane 17 are arranged on the top surface and the bottom surface of an upper boss 13 of the wall-mounted furnace main heat exchanger.
The combustion chamber 8 comprises a combustion chamber side wall, and the combustion chamber side wall encloses a flue gas outlet 81 at the upper end of the combustion chamber 8, and the flue gas outlet 81 is communicated with the flue 32. The main heat exchanger of the wall-mounted boiler is arranged above the combustion chamber 8, the lower supporting plane 17 is abutted with the top surface of the side wall of the combustion chamber, the fume collecting hood 9 is arranged above the main heat exchanger of the wall-mounted boiler, and the bottom surface of the fume collecting hood 9 is abutted with the upper supporting plane 16.
The working process of the utility model is as follows:
the fuel such as natural gas burns in combustion chamber 8, and the flue gas that the burning produced carries the heat to rise, and under the gathering effect of collection petticoat pipe 9, the flue gas is in flue 32, and flue gas spoiler 31 on the heat collecting plate 3 produces the resistance to the flue gas, changes the natural flow direction of flue gas, makes the flue gas circulate between each flue 33 through flue gas water conservancy diversion hole 32, carries out abundant heat exchange with heat exchange tube 2.
The water enters the heat exchange tube 2 through the water inlet joint 6 of the heat exchange tube 2, and under the action of the turbulence plate 4 and the turbulence spring 5, the water and the heat exchange tube perform full heat exchange, enter other heat exchange tubes 2 communicated with the heat exchange tube through the boss 13, and finally are discharged from the water outlet joint 7 of the heat exchange tube.
Compared with the prior art, the wall-mounted furnace and the main heat exchanger thereof provided by the utility model have the following advantages:
(1) The heat exchange tubes are communicated through the boss inner cavities on the side plates, so that the distance of a communicating part through which hot water in the heat exchange tubes needs to pass is greatly reduced, the leakage of the connecting part of the heat exchange tubes is effectively avoided, and the thermal loss in the heat exchange process of the heat exchange tubes is reduced;
(2) The combination of the turbulent flow plate and the turbulent flow spring is adopted, the water resistance is increased through the turbulent flow spring, the flow direction of water flow in the tube is changed through the turbulent flow plate, and the heat exchange efficiency of the water flow in the heat exchange tube and the heat exchange tube is improved, so that the heat exchange effect of the main heat exchanger is improved;
(3) Set up spring limit structure on the turbulent flow board, limit the spring through the spring spacing groove to support the internal diameter of spring through the backup pad that the slope set up, improved turbulent flow spring and turbulent flow board and heat exchange tube's simple to operate degree, and support turbulent flow spring through the backup pad, make turbulent flow spring keep its original form, prolonged turbulent flow spring's life.
(4) The main heat exchanger is arranged above the combustion chamber through the convex hulls, so that the assembly convenience of the wall-mounted furnace is improved, and meanwhile, the heat exchange effect is prevented from being influenced by the external arrangement of the heat exchange tube serial connection part
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions.
Claims (10)
1. A wall hanging stove main heat exchanger, comprising:
the side plate comprises a first side plate and a second side plate, the first side plate is outwards stretched along the side surface of the first side plate far away from the second side plate to form a hollow boss, and an opening of the boss and the second side plate enclose a boss inner cavity;
the two ends of the heat exchange tubes penetrate through the second side plate and are arranged in the inner cavity of the boss;
the heat collecting sheets are arranged between the second side plates at two sides and sleeved on the heat exchange tube, a smoke turbulence part and a smoke diversion hole are arranged on the heat collecting sheets, the adjacent heat collecting sheets and the heat collecting sheets are arranged opposite to the second side plates to form a flue, and the smoke turbulence part is arranged in the flue;
the turbulence plate and the turbulence spring are arranged in the heat exchange tube and are welded and fixed with the heat exchange tube; the turbulence spring is sleeved on the turbulence sheet;
the heat exchange tube water inlet joint and the heat exchange tube water outlet joint are connected with the boss and are communicated with the heat exchange tube through the boss.
2. The wall-hanging stove main heat exchanger according to claim 1, wherein the heat exchange tubes are connected in series or in parallel through the boss inner cavities.
3. The wall-hanging stove main heat exchanger of claim 1, wherein the turbulence sheet comprises:
the turbulent flow sheet body is arranged along the length direction of the heat exchange tube, and a plurality of diversion holes are arranged on the turbulent flow sheet body along the length direction;
the spoiler extends outwards along the diversion hole, and an included angle between the spoiler and the turbulence sheet body is an acute angle; the turbulence plates are distributed on two sides of the turbulence plate body, and adjacent turbulence plates are arranged on opposite sides of the turbulence plate body.
4. A wall hanging stove main heat exchanger as claimed in claim 3 wherein the top surface of the turbulence sheet body is provided with a spring limit structure comprising:
the limiting end plates are arranged at two ends of the turbulence plate body;
the supporting plates are arranged at intervals between the limiting end plates, and spring limiting grooves are formed between the supporting plates and the limiting end plates.
5. The wall-hanging stove main heat exchanger according to claim 4, wherein the support plates are provided obliquely on the top surface of the turbulence plate body, and the directions of the inclination of the adjacent support plates are opposite.
6. The wall-hanging stove main heat exchanger of claim 1, wherein the turbulence sheet is spiral.
7. The wall-hanging stove main heat exchanger according to claim 1, wherein the heat exchange tube has an oval shape, and the cross-sectional length of the heat exchange tube is longer than the vertical axis length thereof.
8. The wall-hanging stove main heat exchanger according to claim 1, wherein the shape and size of the cross section of the turbulence spring are adapted to the shape and size of the cross section of the heat exchange tube.
9. The wall-hanging stove main heat exchanger according to claim 1, wherein the first side plate is provided with a riveting flanging, the riveting flanging is arranged on the side surface of the first side plate, which is close to the second side plate, and the riveting flanging surrounds a window;
the second side plate is arranged in the window and is welded and fixed with the first side plate through the riveting flanging.
10. A wall-mounted boiler, which is characterized by comprising the wall-mounted boiler main heat exchanger as claimed in any one of claims 1 to 9, wherein upper supporting planes and lower supporting planes are arranged on the top surface and the bottom surface of the boss; further comprises:
the combustion chamber comprises a combustion chamber side wall, a flue gas outlet is formed in the upper end of the combustion chamber in a surrounding mode, and the flue gas outlet is communicated with the flue; the wall-mounted furnace main heat exchanger is arranged above the combustion chamber, and the lower supporting plane is in abutting connection with the top surface of the side wall of the combustion chamber;
the fume collecting hood is arranged above the main heat exchanger of the wall-mounted boiler, and the bottom surface of the fume collecting hood is in butt joint with the upper supporting plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223407955.8U CN219284019U (en) | 2022-12-16 | 2022-12-16 | Wall-mounted furnace and main heat exchanger thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223407955.8U CN219284019U (en) | 2022-12-16 | 2022-12-16 | Wall-mounted furnace and main heat exchanger thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219284019U true CN219284019U (en) | 2023-06-30 |
Family
ID=86919932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223407955.8U Active CN219284019U (en) | 2022-12-16 | 2022-12-16 | Wall-mounted furnace and main heat exchanger thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219284019U (en) |
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2022
- 2022-12-16 CN CN202223407955.8U patent/CN219284019U/en active Active
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