CN112229063A - Heat absorbing sheet and stainless steel heat exchanger with same - Google Patents
Heat absorbing sheet and stainless steel heat exchanger with same Download PDFInfo
- Publication number
- CN112229063A CN112229063A CN202011117149.XA CN202011117149A CN112229063A CN 112229063 A CN112229063 A CN 112229063A CN 202011117149 A CN202011117149 A CN 202011117149A CN 112229063 A CN112229063 A CN 112229063A
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- China
- Prior art keywords
- heat absorbing
- heat
- collecting box
- pipe
- water collecting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to a heat absorbing sheet and a stainless steel heat exchanger with the same, which comprises a heat absorbing sheet body, wherein the heat absorbing sheet body is provided with an upper group of heat absorbing pipe assembling holes and a lower group of heat absorbing pipe assembling holes; convex ribs are punched on the heat absorbing sheet body between the upper and lower groups of heat absorbing pipe assembling holes; the convex ribs are arranged in a W shape; the V-shaped smoke guiding sheet is arranged above the heat absorbing sheet body. The convex ribs are arranged between the upper group of heat absorbing pipe assembling holes and the lower group of heat absorbing pipe assembling holes of the heat absorbing sheet, so that an independent moving space exists between the heat absorbing pipes, the heat stress is released, the heat absorbing pipes are prevented from being broken due to the heat stress concentration existing in the use process of the heat absorbing sheets and the heat absorbing pipes, the safety and the reliability of the gas water heater are improved, and the service life of the gas water heater is prolonged.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a stainless steel heat exchanger and components thereof, in particular to a heat absorbing sheet and a stainless steel heat exchanger with the same, and belongs to the technical field of gas water heaters.
[ background of the invention ]
The heat exchanger is a core component of the gas water heater, and heats water in the coil pipe by absorbing heat through the heat absorbing sheets, so that heat exchange is realized. At present, the heat absorbing sheet of the existing stainless steel heat exchanger on the market is of a flat plate structure, and a heat absorbing pipe is broken due to the concentrated thermal stress of the heat absorbing sheet in the using process.
Meanwhile, the heat absorption sheet with the flat plate structure is directly discharged when smoke passes through the heat absorption sheet, and the heat utilization efficiency of the smoke is low, so that the energy consumption of the water heater is high, and the requirements of energy conservation and emission reduction are not met.
Therefore, in order to solve the above technical problems, it is necessary to provide an innovative heat absorbing sheet and a stainless steel heat exchanger having the heat absorbing sheet, so as to overcome the above-mentioned drawbacks in the prior art.
[ summary of the invention ]
In order to solve the above technical problems, an object of the present invention is to provide a heat sink sheet having a simple structure, capable of effectively preventing thermal stress concentration, and having high heat utilization efficiency.
Another object of the present invention is to provide a stainless steel heat exchanger having the above heat absorbing sheet.
In order to achieve the first object, the invention adopts the technical scheme that: a heat absorbing sheet comprises a heat absorbing sheet body, wherein an upper group of heat absorbing pipe assembling holes and a lower group of heat absorbing pipe assembling holes are formed in the heat absorbing sheet body; convex ribs are punched on the heat absorbing sheet body between the upper and lower groups of heat absorbing pipe assembling holes; the convex ribs are arranged in a W shape; the V-shaped smoke guiding sheet is arranged above the heat absorbing sheet body.
The heat absorbing sheet of the invention is further provided with: flanges are arranged on the two sides of the heat absorption sheet body and on the edges of the heat absorption pipe assembling holes.
The heat absorbing sheet of the invention is further provided with: the protruding direction of the convex rib is consistent with the extending direction of the flanging.
The heat absorbing sheet of the invention is also provided with: the assembly holes of the heat absorption tubes of the upper group are arranged in a vertically staggered manner; the heat absorption pipe assembly holes of the lower group are arranged in an up-and-down stacking mode.
In order to achieve the second object, the invention adopts the technical scheme that: a stainless steel heat exchanger with heat absorbing sheets comprises an enclosure frame, the heat absorbing sheets, heat absorbing pipes, a water collecting box bottom plate and a water collecting box cover plate; wherein, the heat absorbing sheets are arranged in the surrounding frame in an overlapping manner; each heat absorbing sheet comprises a heat absorbing sheet body, and the heat absorbing sheet body is provided with an upper group of heat absorbing pipe assembling holes and a lower group of heat absorbing pipe assembling holes; convex ribs are punched on the heat absorbing sheet body between the upper and lower groups of heat absorbing pipe assembling holes; the convex ribs are arranged in a W shape; a V-shaped smoke guide sheet is arranged above the heat absorbing sheet body; the heat absorption pipe penetrates through the heat absorption pipe assembling hole and is supported on the surrounding frame; the bottom plate of the water collecting box is welded with the end part of the heat absorbing pipe; the water collecting box cover plate is arranged on the water collecting box bottom plate.
The stainless steel heat exchanger with the heat absorbing sheet is further provided with the following components: flanges are arranged on the two sides of the heat absorbing sheet body and the edges of the heat absorbing pipe assembling holes; the protruding direction of the convex rib is consistent with the extending direction of the flanging.
The stainless steel heat exchanger with the heat absorbing sheet is further provided with the following components: wherein, a water inlet pipe is connected on the heat absorbing pipe, and a water outlet pipe is connected on the heat absorbing pipe which is arranged diagonally to the heat absorbing pipe.
The stainless steel heat exchanger with the heat absorbing sheet is further provided with the following components: a second flanging is arranged on the water collecting box bottom plate; the heat absorption pipe is inserted into the second flanging of the bottom plate of the water collection box; a circle of first laser welding line is formed between the pipe orifice of the heat absorption pipe and the water collecting box bottom plate; a circle of first copper brazing seam is formed between the heat absorbing pipe and the flanging overlapped part; the water collecting box cover plate is arranged on the water collecting box bottom plate, a second laser welding seam and a second copper brazing seam are formed at the joint of the water collecting box cover plate and the water collecting box bottom plate, and the second laser welding seam surrounds the second copper brazing seam.
The stainless steel heat exchanger with the heat absorbing sheet is further provided with the following components: the enclosing frame, the heat absorbing sheets, the heat absorbing pipes, the water collecting box bottom plate and the water collecting box cover plate are all made of stainless steel materials.
The stainless steel heat exchanger with the heat absorbing sheet is also provided with the following components: a plurality of loop cavities are formed between the water collecting box bottom plate and the water collecting box cover plate, and each loop cavity is communicated with the two heat absorbing pipes.
Compared with the prior art, the invention has the following beneficial effects:
1. the convex ribs are arranged between the upper group of heat absorbing pipe assembling holes and the lower group of heat absorbing pipe assembling holes of the heat absorbing sheet, so that an independent moving space exists between the heat absorbing pipes, the heat stress is released, the heat absorbing pipes are prevented from being broken due to the heat stress concentration existing in the use process of the heat absorbing sheets and the heat absorbing pipes, the safety and the reliability of the gas water heater are improved, and the service life of the gas water heater is prolonged.
2. The heat absorption sheet is provided with the V-shaped smoke guide sheet, so that smoke can be blocked, the heat transfer efficiency of the gas heat exchanger is greatly improved, and the heat absorption sheet has the advantages of high efficiency and energy conservation.
3. The stainless steel heat exchanger with the heat absorbing sheets utilizes laser welding to isolate the brazing filler metal from water, avoids the brazing filler metal from being corroded due to direct contact with the water, and greatly prolongs the service life of the heat exchanger.
[ description of the drawings ]
Fig. 1 is a perspective view of a heat sink sheet of the present invention.
Fig. 2 is a perspective view of a stainless steel heat exchanger having heat absorbing fins according to the present invention.
Fig. 3 is a cross-sectional view of a stainless steel heat exchanger having heat absorbing fins according to the present invention.
Fig. 4 is a partial cross-sectional view of a stainless steel heat exchanger of the present invention having heat absorbing fins.
Fig. 5 is a diagram showing the experimental process of the conventional heat sink.
Fig. 6 is a diagram showing the experimental process of the heat sink of the present invention.
[ detailed description ] embodiments
Referring to the attached drawing 1 of the specification, the invention relates to a heat exchanger fin, which comprises a heat absorbing fin body 1, wherein the heat absorbing fin body 1 is provided with an upper group of heat absorbing pipe assembling holes 2 and a lower group of heat absorbing pipe assembling holes 2. In the embodiment, the heat absorption pipe assembling holes 2 of the upper group are arranged in a vertically staggered manner; the heat absorption pipe assembly holes 2 of the lower group are arranged in an up-and-down stacking mode, so that hot smoke can flow conveniently, and the heat utilization efficiency is improved.
The heat exchange plate of the invention has the greatest improvement that: convex ribs 3 are punched on the heat absorbing sheet body 1 between the upper and lower groups of heat absorbing pipe assembling holes 2; the convex ribs 3 are arranged in a W shape. The convex ribs 3 are arranged between the upper and lower groups of heat absorption pipe assembling holes 2, so that an independent moving space exists between the heat absorption pipes and the heat absorption sheets, the thermal stress is released, the heat absorption pipes are prevented from being broken due to the thermal stress concentration of the heat absorption sheets and the heat absorption pipes in the using process, the safety and the reliability of the gas water heater are improved, and the service life of the gas water heater is prolonged.
The V-shaped smoke guiding sheet 4 is arranged above the heat absorbing sheet body 1. Flanges 5 are arranged on two sides of the heat absorption sheet body 1 and the edges of the heat absorption pipe assembling holes 2. Through setting up V font and leading tabacco 4 and turn-ups 5 to can block the flue gas, increase substantially gas heat exchanger's heat transfer efficiency, have high-efficient, energy-conserving advantage.
In the present embodiment, the protruding direction of the rib 3 is consistent with the extending direction of the flange 5, so as to facilitate the processing and improve the flatness of the heat absorbing sheet.
Referring to the attached drawings 2 to 4 in the specification, the stainless steel heat exchanger adopting the heat exchange fins of the invention comprises a surrounding frame 6, heat absorption fins 7, heat absorption pipes 8, a water collection box bottom plate 9, a water collection box cover plate 10 and the like. In the embodiment, the enclosure frame 6, the heat absorbing sheets 7, the heat absorbing pipes 8, the water collecting box bottom plate 9 and the water collecting box cover plate 10 are all made of stainless steel, so that the heat exchanger is good in corrosion resistance, long in service life, good in durability and low in manufacturing cost.
The heat absorbing sheets 7 are arranged in the surrounding frame 6 in an overlapped mode. The heat absorption pipe 6 penetrates through the heat absorption pipe assembling hole 2 and is supported on the surrounding frame 6. The water in the heat absorption pipe 6 is heated by absorbing heat through the heat absorption sheet 7. Wherein, a water inlet pipe 11 is connected on the heat absorbing pipe 6, a water outlet pipe 12 is connected on the heat absorbing pipe 6 which is arranged diagonally with the heat absorbing pipe, the water to be heated is sent into the heat absorbing pipe 6 through the water inlet pipe 11, and the heated hot water is discharged through the water outlet pipe 12.
The bottom plate 9 of the water collecting box is welded with the end part of the heat absorbing pipe 8. The water collecting box cover plate 10 is arranged on the water collecting box bottom plate 9. A plurality of loop cavities 13 are formed between the water collecting box bottom plate 9 and the water collecting box cover plate 10, and each loop cavity 13 is communicated with two heat absorbing pipes 8, so that water can flow through all the heat absorbing pipes 8.
Furthermore, a plurality of second flanges 14 are arranged on the water collecting box bottom plate 9. The height of the second flanging 14 is 5 mm.
The heat absorbing pipe 6 is inserted into the second flanging 14 of the water collecting box bottom plate 9. A first laser welding seam 15 is formed between the opening of the heat absorption pipe 6 and the water collecting box bottom plate 9. A ring of first brazing seams 16 is formed between the body of the absorber tube 6 and the overlapping portion of the second flange 14. The first laser welding seam 15 is used for preventing the first copper brazing seam 16 from contacting with water, so that the first copper brazing seam 16 is prevented from being corroded due to direct contact with the water.
The water collecting box cover plate 10 is arranged on the water collecting box bottom plate 9, a second laser welding seam 17 and a second copper brazing seam 18 are formed at the joint of the water collecting box bottom plate and the water collecting box bottom plate, and the second laser welding seam 17 surrounds the second copper brazing seam 18, so that the second copper brazing seam 18 is prevented from being in contact with water.
The stainless steel heat exchanger with the heat absorbing sheets utilizes laser welding to isolate the brazing filler metal from water, avoids the brazing filler metal from being corroded due to direct contact with the water, and greatly prolongs the service life of the heat exchanger.
Referring to the accompanying drawings of 5 and 6, in order to verify the service life of the heat absorbing sheet of the present invention, a hard water combustion test was performed, and the following results were obtained: under the same operation condition, the heat absorption sheet has heat absorption pipe leakage after 196 hours, and the heat absorption sheet on the market has water tank scale deposition leakage after 83 hours.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (10)
1. A heat sink sheet, comprising: the heat absorption sheet comprises a heat absorption sheet body, wherein an upper group of heat absorption pipe assembly holes and a lower group of heat absorption pipe assembly holes are formed in the heat absorption sheet body; convex ribs are punched on the heat absorbing sheet body between the upper and lower groups of heat absorbing pipe assembling holes; the convex ribs are arranged in a W shape; the V-shaped smoke guiding sheet is arranged above the heat absorbing sheet body.
2. The heat sink sheet of claim 1, wherein: flanges are arranged on the two sides of the heat absorption sheet body and on the edges of the heat absorption pipe assembling holes.
3. The heat sink sheet of claim 2, wherein: the protruding direction of the convex rib is consistent with the extending direction of the flanging.
4. The heat sink sheet of claim 1, wherein: the assembly holes of the heat absorption tubes of the upper group are arranged in a vertically staggered manner; the heat absorption pipe assembly holes of the lower group are arranged in an up-and-down stacking mode.
5. A stainless steel heat exchanger with heat absorbing sheets is characterized in that: comprises an enclosure frame, a heat absorbing sheet, a heat absorbing pipe, a water collecting box bottom plate and a water collecting box cover plate; wherein, the heat absorbing sheets are arranged in the surrounding frame in an overlapping manner; each heat absorbing sheet comprises a heat absorbing sheet body, and the heat absorbing sheet body is provided with an upper group of heat absorbing pipe assembling holes and a lower group of heat absorbing pipe assembling holes; convex ribs are punched on the heat absorbing sheet body between the upper and lower groups of heat absorbing pipe assembling holes; the convex ribs are arranged in a W shape; a V-shaped smoke guide sheet is arranged above the heat absorbing sheet body; the heat absorption pipe penetrates through the heat absorption pipe assembling hole and is supported on the surrounding frame; the bottom plate of the water collecting box is welded with the end part of the heat absorbing pipe; the water collecting box cover plate is arranged on the water collecting box bottom plate.
6. The stainless steel heat exchanger with heat absorbing fins according to claim 5, wherein: flanges are arranged on the two sides of the heat absorbing sheet body and the edges of the heat absorbing pipe assembling holes; the protruding direction of the convex rib is consistent with the extending direction of the flanging.
7. The stainless steel heat exchanger with heat absorbing fins according to claim 5, wherein: wherein, a water inlet pipe is connected on the heat absorbing pipe, and a water outlet pipe is connected on the heat absorbing pipe which is arranged diagonally to the heat absorbing pipe.
8. The stainless steel heat exchanger with heat absorbing fins according to claim 5, wherein: a second flanging is arranged on the water collecting box bottom plate; the heat absorption pipe is inserted into the second flanging of the bottom plate of the water collection box; a circle of first laser welding line is formed between the pipe orifice of the heat absorption pipe and the water collecting box bottom plate; a circle of first copper brazing seam is formed between the heat absorbing pipe and the flanging overlapped part; the water collecting box cover plate is arranged on the water collecting box bottom plate, a second laser welding seam and a second copper brazing seam are formed at the joint of the water collecting box cover plate and the water collecting box bottom plate, and the second laser welding seam surrounds the second copper brazing seam.
9. The stainless steel heat exchanger with heat absorbing fins according to claim 5, wherein: the enclosing frame, the heat absorbing sheets, the heat absorbing pipes, the water collecting box bottom plate and the water collecting box cover plate are all made of stainless steel materials.
10. The stainless steel heat exchanger with heat absorbing fins according to claim 5, wherein: a plurality of loop cavities are formed between the water collecting box bottom plate and the water collecting box cover plate, and each loop cavity is communicated with the two heat absorbing pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117149.XA CN112229063A (en) | 2020-10-19 | 2020-10-19 | Heat absorbing sheet and stainless steel heat exchanger with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117149.XA CN112229063A (en) | 2020-10-19 | 2020-10-19 | Heat absorbing sheet and stainless steel heat exchanger with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112229063A true CN112229063A (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011117149.XA Pending CN112229063A (en) | 2020-10-19 | 2020-10-19 | Heat absorbing sheet and stainless steel heat exchanger with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112229063A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004003773A (en) * | 2002-06-03 | 2004-01-08 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| CN203605766U (en) * | 2013-11-04 | 2014-05-21 | 张伟 | Header shell-and-tube water storage central heating multi-tube heat conduction heat exchanger |
| CN205561272U (en) * | 2016-02-03 | 2016-09-07 | 浙江广涛卫厨有限公司 | Water heater heat exchanger |
| CN106001825A (en) * | 2016-07-08 | 2016-10-12 | 中国科学院上海应用物理研究所 | Connecting method for corrosion-resistant high-temperature alloy pipe and corrosion-resistant high-temperature pipe plate and heat exchanger |
| CN205939644U (en) * | 2016-08-18 | 2017-02-08 | 绍兴森田换热器有限公司 | Stainless steel heat exchanger with improvement fin |
| CN206618118U (en) * | 2017-02-14 | 2017-11-07 | 绍兴森田换热器有限公司 | A kind of collecting box |
| CN213454272U (en) * | 2020-10-19 | 2021-06-15 | 绍兴森田换热器有限公司 | Heat absorbing sheet and stainless steel heat exchanger with same |
-
2020
- 2020-10-19 CN CN202011117149.XA patent/CN112229063A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004003773A (en) * | 2002-06-03 | 2004-01-08 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| CN203605766U (en) * | 2013-11-04 | 2014-05-21 | 张伟 | Header shell-and-tube water storage central heating multi-tube heat conduction heat exchanger |
| CN205561272U (en) * | 2016-02-03 | 2016-09-07 | 浙江广涛卫厨有限公司 | Water heater heat exchanger |
| CN106001825A (en) * | 2016-07-08 | 2016-10-12 | 中国科学院上海应用物理研究所 | Connecting method for corrosion-resistant high-temperature alloy pipe and corrosion-resistant high-temperature pipe plate and heat exchanger |
| CN205939644U (en) * | 2016-08-18 | 2017-02-08 | 绍兴森田换热器有限公司 | Stainless steel heat exchanger with improvement fin |
| CN206618118U (en) * | 2017-02-14 | 2017-11-07 | 绍兴森田换热器有限公司 | A kind of collecting box |
| CN213454272U (en) * | 2020-10-19 | 2021-06-15 | 绍兴森田换热器有限公司 | Heat absorbing sheet and stainless steel heat exchanger with same |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210115 |
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| RJ01 | Rejection of invention patent application after publication |