CN219284034U - Sleeve type main heat exchanger - Google Patents
Sleeve type main heat exchanger Download PDFInfo
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- CN219284034U CN219284034U CN202223394939.XU CN202223394939U CN219284034U CN 219284034 U CN219284034 U CN 219284034U CN 202223394939 U CN202223394939 U CN 202223394939U CN 219284034 U CN219284034 U CN 219284034U
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Abstract
The utility model discloses a sleeve type main heat exchanger, which comprises a side plate, a heat exchange tube and a bathroom tube arranged in the heat exchange tube, wherein the side plate comprises: the outer side plate is outwards stretched at one end far away from the heat exchange tube to form a convex hull, a plurality of end cover grooves are formed in the convex hull, and bathroom tube holes are formed in the end cover grooves; the inner side plate and the convex hull form a convex hull inner cavity; the inner side plate is provided with a heat exchange tube hole, and the end part of the heat exchange tube is arranged in the inner cavity of the convex hull through the heat exchange tube hole; the end cover and the end cover groove enclose an end cover inner cavity, and the end part of the bathroom tube is arranged in the end cover inner cavity through the bathroom tube hole so that adjacent bathroom tubes are communicated; further comprises: the heat exchange plate, the heat exchange tube inlet joint and the heat exchange tube outlet joint which are arranged on the convex hull, and the bathroom tube inlet joint and the bathroom tube outlet joint. According to the utility model, the heat exchange pipes are connected in parallel through the convex hulls, and the bathroom pipes are connected in series through the inner cavities of the end covers, so that the volume of the main heat exchanger is reduced, and the heat exchange efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a sleeve type main heat exchanger.
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 heat exchanger is one of important structures of the wall-mounted furnace, is a component for carrying out heat exchange between smoke generated after combustion and water in a system, and mainly comprises a fin type heat exchanger and a shell-and-tube type heat exchanger, wherein the fin type heat exchanger is widely used at present.
The heat exchanger for the gas wall-mounted boiler comprises a heat exchange sleeve pipe, a connecting pipe, a split water collector, a communication water collector, a heating water inlet joint, a heating water outlet joint, a bathroom water inlet joint, a bathroom water outlet joint and a plurality of heat exchange fins, wherein the bathroom pipe adopts a spiral structure, a plurality of heat exchange pipe holes for the heat exchange sleeve pipe to pass through are arranged on the heat exchange fins side by side, a plurality of bridge-shaped pattern windows are vertically distributed between two adjacent heat exchange pipe holes on the heat exchange fins, turbulence protrusions are uniformly distributed between the adjacent bridge-shaped pattern windows, turbulence protrusions are further arranged at the top parts between the adjacent heat exchange pipe holes on the fin body, the cross sections of the turbulence protrusions are in a fan-shaped structure, and the vertical center lines of the turbulence protrusions and the vertical center lines of the plurality of bridge-shaped pattern windows coincide. However, the above scheme has the following disadvantages:
(1) The bathroom tube is arranged in the heat exchange sleeve, adopts a spiral structure, has a smaller tube diameter, and is easy to deposit scale in the tube to cause blockage;
(2) The adjacent heating pipes at the side of the split-flow water collector are connected through the U-shaped joint pipe, and the U-shaped joint pipe extends out of the combustion chamber to be arranged, so that not only is the larger installation space occupied, but also the heat loss is caused when the water in the heat exchange pipe flows through the U-shaped joint pipe, and the heat exchange effect of the heat exchanger is affected.
In view of this, there is an urgent need to improve the structure of the main gas heat exchanger in the prior art, so as to avoid scale deposition in the bathroom tube, reduce the size of the main heat exchanger, reduce the heat loss of the heat exchanger, and provide the heat exchange effect.
Disclosure of Invention
The utility model aims to solve the technical problems that scale deposition, large occupied installation space, large thermal loss and poor heat exchange effect are easy to occur in the existing gas main heat exchanger.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a sleeve type main heat exchanger, includes a plurality of heat exchange tubes and a plurality of bathroom pipe of relative setting's curb plate, parallel arrangement, the bathroom pipe sets up in the heat exchange tube, the curb plate includes:
the outer side plate is outwards stretched to form a convex hull at one end far away from the heat exchange tube, a plurality of end cover grooves are formed in one end of the convex hull far away from the heat exchange tube, and bathroom tube holes are formed in the end cover grooves;
the inner side plate is arranged on one side of the outer side plate, which is close to the heat exchange tube, and forms a convex hull inner cavity with the convex hull; the inner side plate is provided with a heat exchange tube hole, and the end part of the heat exchange tube is arranged in the inner cavity of the convex hull through the heat exchange tube hole;
the end cover is arranged in the end cover groove and surrounds an end cover inner cavity with the end cover groove, and the end parts of the bathroom tubes are arranged in the end cover inner cavity through the bathroom tube holes so that two adjacent bathroom tubes are communicated;
further comprises:
the heat exchange plate is sleeved on the heat exchange tube;
the heat exchange tube inlet joint and the heat exchange tube outlet joint are arranged on the convex hull and are communicated with the inner cavity of the convex hull;
the bathroom pipe inlet connector and the bathroom pipe outlet connector are arranged on the convex bag and are communicated with the corresponding bathroom pipe.
In the above technical solution, preferably, the heat exchange tube inlet connector and the heat exchange tube outlet connector are communicated with the upper portion of the convex hull inner cavity.
In the above technical solution, preferably, a riveting flange is provided on an end surface of the outer side plate connected with the inner side plate, the riveting flange is turned over towards the open side of the convex hull, and the riveting flange encloses a window;
the inner side plate is arranged on the window and is welded and fixed with the riveting flanging.
In the above technical solution, preferably, the outer side plate includes:
the outer side plate base is annular, and the riveting flanging is arranged on the outer side plate base and is opposite to the outer side plate base to form an inner side plate clamping groove;
the convex hull is arranged on the inner ring of the outer side plate base and is integrally arranged with the outer side plate base.
In the above technical scheme, preferably, a sealing support part is arranged in the convex hull, the sealing support part is arranged at one end of the bathroom tube hole far away from the end cover groove, and the inner diameter of the sealing support part is matched with the outer diameter of the bathroom tube.
In the above technical solution, preferably, a supporting platform is disposed on a bottom surface of the convex hull, and is used for abutting against an upper end of the combustion chamber.
In the above technical solution, preferably, the heat exchange tube is an oval tube.
In the above technical solution, preferably, the heat exchange plate includes:
the heat exchange plate body is provided with a plurality of limiting holes, and the limiting holes are matched with the heat exchange tubes; a plurality of smoke guide holes are formed in the heat exchange plate body;
and the choke part is arranged on the smoke guide hole and is outwards folded along the side surface of the heat exchange plate body.
In the above technical solution, preferably, the heat exchange plate is welded and fixed with the heat exchange tube, and the heat exchange plate is provided with:
the first welding flux is provided with notches, and the notches are arranged on the top surface of the heat exchange plate body and distributed along the length direction of the heat exchange plate body;
the second solder is provided with a notch which is arranged on one side of the limiting hole and communicated with the limiting hole.
In the above technical solution, preferably, the heat exchanger plate body is provided with a first supporting portion, and the first supporting portion is perpendicular to the heat exchanger plate body and abuts against the adjacent heat exchanger plate body;
and a second supporting part is arranged on the end surface of the inner side plate, which is opposite to the heat exchange plate.
Compared with the prior art, the sleeve type main heat exchanger provided by the utility model has the advantages that the bathroom pipes are arranged in the heat exchange pipes in parallel, so that the pipe diameters of the bathroom pipes are enlarged, and scale deposition in the bathroom pipes is avoided; the plurality of heat exchange tubes are communicated through the convex hull cavity, the plurality of bathroom tubes are connected through the end cover inner cavity surrounded by the end cover groove and the end cover, the end cover inner cavity is arranged on the convex hull, the volume of the main heat exchanger is reduced, the main heat exchanger is convenient to integrally arrange in the combustion chamber, heat loss is avoided at the joints of each section of the bathroom tubes when the joints of each section of the bathroom tubes are arranged externally, and the heat exchange effect of the heat exchanger is greatly improved.
Drawings
FIG. 1 is a perspective view of a tube-in-tube main heat exchanger of the present utility model;
FIG. 2 is a schematic view showing the structural separation of a tube-in-tube main heat exchanger according to the present utility model;
FIG. 3 is a schematic view of the structure of the outer panel according to the present utility model;
FIG. 4 is a schematic view of a heat exchanger plate according to the present utility model;
fig. 5 is a schematic structural view of an inner side plate in the present utility model.
The correspondence between the names and the reference numerals of the respective components in fig. 1 to 5 is as follows:
a heat exchange tube 1, a bathroom tube 2, heat exchange plates 3, a heat exchange tube inlet joint 4, a heat exchange tube outlet joint 5, a bathroom tube inlet joint 6, a bathroom tube outlet joint 7, an outer side plate 8, an inner side plate 9, an end cover 10,
the heat exchange plate body 31, the limit hole 32, the smoke guide hole 33, the choke part 34, the first solder setting notch 35, the second solder setting notch 36, the first supporting part 37,
convex hull 81, outer panel base 82, riveted flange 83, window 84, end cap groove 85, bathroom tube hole 86, seal support 87,
heat exchange tube hole 91, second support 92.
Detailed Description
The utility model provides a sleeve type main heat exchanger, wherein heat exchange pipes are connected in parallel through convex hulls, and bathroom pipes are connected in series through inner cavities of end covers, so that the volume of the main heat exchanger is reduced, and the heat exchange efficiency of the main heat exchanger is improved. The utility model is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1 and 2, the sleeve type main heat exchanger provided by the utility model comprises side plates which are oppositely arranged, a plurality of heat exchange pipes 1, a plurality of bathroom pipes 2, a plurality of heat exchange plates 3, a heat exchange pipe inlet joint 4, a heat exchange pipe outlet joint 5, a bathroom pipe inlet joint 6 and a bathroom pipe outlet joint 7 which are arranged in parallel.
The heat exchange tube 1 is an elliptic tube, and the bathroom tube 2 is arranged in the heat exchange tube 1. The heat exchange plate 3 comprises a heat exchange plate body 31, a plurality of limiting holes 32 and a plurality of smoke guide holes 33 are formed in the heat exchange plate body 31, the limiting holes 32 are matched with the heat exchange tube 1, and the heat exchange plate 3 is sleeved on the heat exchange tube 1 through the limiting holes 32. The smoke guide holes 33 are arranged along the length direction of the heat exchange plate body 31, the smoke guide holes 33 are provided with flow blocking parts 34, and the flow blocking parts 34 are outwards folded along the side surfaces of the heat exchange plate body 31.
As shown in fig. 4, the heat exchange plate 3 is welded and fixed with the heat exchange tube 1, the heat exchange plate 3 is provided with a first solder arrangement notch 35 and a second solder arrangement notch 36, and a plurality of first solder arrangement notches 35 are arranged on the top surface of the heat exchange plate body 31 and distributed along the length direction of the heat exchange plate body 31; the second solder setting notch 35 is provided on one side of the limiting hole 32 and communicates with the limiting hole 32. The welding flux is arranged in the first welding flux arrangement notch 35 and the second welding flux arrangement notch 36, so that the welding operation of the heat exchange plate 3 and the heat exchange tube 1 is convenient. The heat exchange plate body 31 is provided with a first supporting part 37, the first supporting part 37 is perpendicular to the heat exchange plate body 31 and is abutted with the adjacent heat exchange plate body 31.
The side panels comprise an outer side panel 8, an inner side panel 9 and an end cap 10.
As shown in fig. 3, the end of the outer plate 8 remote from the heat exchange tube 1 is stretched outwardly to form a convex hull 81. The outer panel 8 further includes an outer panel base 82, and the outer panel base 82 is annular. The outer plate base 82 is provided with a riveting flange 83, the riveting flange 83 is arranged on the end face of the outer plate 8 connected with the inner plate 9, the riveting flange 8 is turned over towards the open side of the convex hull 81, and the riveting flange 83 encloses a window 84. The rivet flange 83 is disposed opposite the outer panel base 82 to form an inner panel clamping groove.
The convex hull 81 is provided on the inner ring of the outer panel base 82, and is provided integrally with the outer panel base 82. One end of the convex hull 81, which is far away from the heat exchange tube 1, is provided with a plurality of end cover grooves 85, and bathroom tube holes 86 are arranged in the end cover grooves 82. The convex hull 81 is internally provided with a sealing support part 87, the sealing support part 87 is arranged at one end of the bathroom tube hole 86 far away from the end cover groove 83, and the inner diameter of the sealing support part 87 is matched with the outer diameter of the bathroom tube 2. The bottom surface of convex hull 81 is equipped with supporting platform for with the upper end butt of combustion chamber, make things convenient for sleeve type main heat exchanger to place on the combustion chamber.
As shown in fig. 5, the inner plate 9 is disposed on the side of the outer plate 8 near the heat exchange tube 1, and the inner plate 9 and the convex hull 81 enclose a convex hull inner cavity. The inner side plate 9 is provided with a heat exchange tube hole 91, and the end part of the heat exchange tube 1 is arranged in the inner cavity of the convex hull through the heat exchange tube hole 91. The inner side plate 9 is arranged at the window 84, and the outer side plate 8 clamps the inner side plate 9 through the inner side plate clamping groove and is welded and fixed with the inner side plate 9 through the riveting flanging 83. The fixing mode has fewer welding spots, improves the welding qualification rate, and reduces the welding operation difficulty of the inner side plate and the outer side plate. The inner plate 9 has a second support 92 provided on an end surface thereof facing the heat exchanger plate 3, and the second support 92 is adapted to abut against the heat exchanger plate 3.
The end cover 10 is arranged in the end cover groove 85, the end cover 10 and the end cover groove 85 enclose an end cover inner cavity, and the end part of the bathroom tube 2 is arranged in the end cover inner cavity through the bathroom tube hole 86, so that two adjacent bathroom tubes are communicated.
The heat exchange tube inlet joint 4 and the heat exchange tube outlet joint 5 are arranged on the convex hull 81, and the heat exchange tube inlet joint 4 and the heat exchange tube outlet joint 5 are communicated with the upper part of the inner cavity of the convex hull, so that water in the heat exchange tube 1 fills the heat exchange tube 1 and the inner cavity of the convex hull, and laminar flow is prevented from being formed in the heat exchange tube and the inner cavity of the convex hull, and the heat exchange effect is influenced. The bathroom tube inlet joint 6 and the bathroom tube outlet joint 7 are arranged on the convex hull 81 and are communicated with the corresponding bathroom tubes 2, so that a plurality of bathroom tubes 2 are connected into a long tube which is not communicated with the inner cavity of the convex hull and the heat exchange tube 1.
The working process of the utility model is as follows:
bathroom water enters the bathroom tube 2 through the bathroom tube inlet joint 6, the bathroom tube 2 is communicated with the adjacent bathroom tube 2 through the end cover inner cavity formed by the end cover 10 and the end cover groove 85, and finally is discharged through the bathroom tube outlet joint 7.
The heat exchange water enters the inner cavity of the convex hull from the inlet joint 4 of the heat exchange pipe, a plurality of heat exchange pipes 1 are connected in parallel through the inner cavity of the convex hull, and the heat exchange water is discharged from the outlet joint 5 of the heat exchange pipe.
The sleeve-type main heat exchanger is arranged above the combustion chamber through the supporting platform on the bottom surface of the convex hull 81, smoke generated in the combustion chamber flows upwards and enters between the heat exchange plates 3 and the inner side plate 9, and the smoke can flow between the heat exchange plates 3 and the inner side plate 9 due to the fact that the smoke guide holes 33 and the flow blocking parts 34 are formed in the heat exchange plates 3, heat exchange is conducted fully with the heat exchange tubes 1, water in the heat exchange tubes 1 is heated by the smoke, heat exchange is conducted with bathroom water of the bathroom tubes 2, the bathroom water is heated, and heat exchange in the whole-room thermodynamic system is completed.
The convex hull 81 has smaller volume, so that the sleeve type main heat exchanger is completely arranged above the combustion chamber, and the external parts of the main heat exchanger for connecting the bathroom tubes 2 in series are prevented from causing heat loss in the system and affecting the heat exchange effect.
Compared with the prior art, the sleeve type main heat exchanger provided by the utility model has the following advantages:
(1) The bathroom tubes are arranged in the heat exchange tubes in parallel, so that the tube diameter of the bathroom tubes is enlarged, and scale deposition in the bathroom tubes is avoided; the plurality of heat exchange tubes are connected in parallel through the convex hull cavity, the plurality of bathroom tubes are connected in series through the end cover cavity surrounded by the end cover groove and the end cover, and the end cover cavity is arranged on the convex hull, so that the volume of the main heat exchanger is reduced, the main heat exchanger is convenient to be integrally arranged in the combustion chamber, the heat loss caused by the external joint of each section of the bathroom tube is avoided, and the heat exchange effect of the heat exchanger is greatly improved;
(2) The bottom surface of the convex hull is provided with a supporting platform which is used for being abutted with the upper end of the combustion chamber, so that the whole heat exchange is conveniently arranged above the combustion chamber, the overlarge volume of the external part of the main heat exchanger is avoided, and the heat exchange effect of the main heat exchanger is improved;
(3) Set up supporting part on heat exchanger plate and the interior plate, on the one hand improved the intensity of heat exchanger plate and interior plate, form the flue gas water conservancy diversion passageway between heat exchanger plate and heat exchanger plate simultaneously, form the smoke guide hole intercommunication on the heat exchanger plate between each flue gas water conservancy diversion passageway, improved the flow efficiency of flue gas, the flow resistance is produced to the flue gas through the choked flow portion that sets up on the smoke guide hole simultaneously, the flow direction of flue gas has been changed, make the heat exchange between flue gas and heat exchanger plate and the heat exchange tube strengthen, heat exchange efficiency and the heat transfer effect of main heat exchanger have been improved.
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. The utility model provides a sleeve type main heat exchanger which characterized in that, including relative curb plate, a plurality of heat exchange tube and a plurality of bathroom pipe of setting up, the bathroom pipe sets up in the heat exchange tube, the curb plate includes:
the outer side plate is outwards stretched to form a convex hull at one end far away from the heat exchange tube, a plurality of end cover grooves are formed in one end of the convex hull far away from the heat exchange tube, and bathroom tube holes are formed in the end cover grooves;
the inner side plate is arranged on one side of the outer side plate, which is close to the heat exchange tube, and forms a convex hull inner cavity with the convex hull; the inner side plate is provided with a heat exchange tube hole, and the end part of the heat exchange tube is arranged in the inner cavity of the convex hull through the heat exchange tube hole;
the end cover is arranged in the end cover groove and surrounds an end cover inner cavity with the end cover groove, and the end parts of the bathroom tubes are arranged in the end cover inner cavity through the bathroom tube holes so that two adjacent bathroom tubes are communicated;
further comprises:
the heat exchange plate is sleeved on the heat exchange tube;
the heat exchange tube inlet joint and the heat exchange tube outlet joint are arranged on the convex hull and are communicated with the inner cavity of the convex hull;
the bathroom pipe inlet connector and the bathroom pipe outlet connector are arranged on the convex bag and are communicated with the corresponding bathroom pipe.
2. The double pipe primary heat exchanger of claim 1, wherein the heat exchange pipe inlet fitting and the heat exchange pipe outlet fitting communicate with an upper portion of the convex hull interior.
3. The sleeve-type main heat exchanger as claimed in claim 1, wherein a riveted flange is provided on an end surface of the outer side plate connected to the inner side plate, the riveted flange being folded toward an open side of the convex hull, the riveted flange enclosing a window;
the inner side plate is arranged on the window and is welded and fixed with the riveting flanging.
4. A tube-in-tube main heat exchanger as claimed in claim 3, wherein the outer plate comprises:
the outer side plate base is annular, and the riveting flanging is arranged on the outer side plate base and is opposite to the outer side plate base to form an inner side plate clamping groove;
the convex hull is arranged on the inner ring of the outer side plate base and is integrally arranged with the outer side plate base.
5. The sleeve type main heat exchanger as claimed in claim 1, wherein a sealing support portion is arranged in the convex hull, the sealing support portion is arranged at one end of the bathroom tube hole far away from the end cover groove, and the inner diameter of the sealing support portion is matched with the outer diameter of the bathroom tube.
6. A tube-in-tube main heat exchanger according to claim 1, wherein the bottom surface of the convex hull is provided with a support platform for abutment with the upper end of the combustion chamber.
7. A tube-in-tube main heat exchanger as claimed in claim 1, wherein the heat exchange tubes are oval tubes.
8. The double-pipe primary heat exchanger of claim 1, wherein the heat exchanger fins comprise:
the heat exchange plate body is provided with a plurality of limiting holes, and the limiting holes are matched with the heat exchange tubes; a plurality of smoke guide holes are formed in the heat exchange plate body;
and the choke part is arranged on the smoke guide hole and is outwards folded along the side surface of the heat exchange plate body.
9. The double-pipe main heat exchanger according to claim 8, wherein the heat exchange plates are welded and fixed to the heat exchange pipes, and the heat exchange plates are provided with:
the first welding flux is provided with notches, and the notches are arranged on the top surface of the heat exchange plate body and distributed along the length direction of the heat exchange plate body;
the second solder is provided with a notch which is arranged on one side of the limiting hole and communicated with the limiting hole.
10. The double-pipe main heat exchanger according to claim 9, wherein the heat exchanger plate body is provided with a first supporting part, the first supporting part is perpendicular to the heat exchanger plate body and is abutted with the adjacent heat exchanger plate body;
and a second supporting part is arranged on the end surface of the inner side plate, which is opposite to the heat exchange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223394939.XU CN219284034U (en) | 2022-12-16 | 2022-12-16 | Sleeve type main heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223394939.XU CN219284034U (en) | 2022-12-16 | 2022-12-16 | Sleeve type main heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219284034U true CN219284034U (en) | 2023-06-30 |
Family
ID=86905117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223394939.XU Active CN219284034U (en) | 2022-12-16 | 2022-12-16 | Sleeve type main heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219284034U (en) |
-
2022
- 2022-12-16 CN CN202223394939.XU patent/CN219284034U/en active Active
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