CN206959673U - Heat exchanger fin, heat exchanger and heating forced ventilation formula gas furnace - Google Patents
Heat exchanger fin, heat exchanger and heating forced ventilation formula gas furnace Download PDFInfo
- Publication number
- CN206959673U CN206959673U CN201720902636.4U CN201720902636U CN206959673U CN 206959673 U CN206959673 U CN 206959673U CN 201720902636 U CN201720902636 U CN 201720902636U CN 206959673 U CN206959673 U CN 206959673U
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- Prior art keywords
- heat exchanger
- baffle
- substrate
- exchanger fin
- heat exchange
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- 238000009423 ventilation Methods 0.000 title claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 63
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000003546 flue gas Substances 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 16
- 238000004080 punching Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 239000003517 fume Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of heat exchanger fin, heat exchanger and heating forced ventilation formula gas furnace, the heat exchanger fin (1) includes rectangular substrate (11), the substrate includes the first plate face and the second plate face of both sides, first plate face laterally outwardly is extended with the multiple first baffles (13) being spaced successively along the length direction of the substrate, second plate face laterally outwardly is extended with the multiple second baffles (14) being spaced successively along the length direction, along the length direction, multiple first baffles and multiple second baffles are alternately arranged successively, and the connecting hole (12) being formed there through on the substrate is provided between the two neighboring first baffle and second baffle；Wherein, the first baffle and second baffle are the half that semi-circular plate or arc plate and maximum radius are less than the width of the substrate.When heat exchanger fin in the utility model is arranged in heat exchange pipeline, the heat exchange efficiency of flue gas and the tube wall that exchanges heat can be effectively lifted.
Description
Technical field
The utility model belongs to technical field of heat exchangers, more particularly, to a kind of heat exchanger fin, heat exchanger and heating with by force
Ventilated type gas furnace processed.
Background technology
The gaseous fuels such as day hot gas at work, are generally first transported to burner group by heating with forced ventilation formula gas furnace
Light, heat exchanger tube flowing of the resulting high-temperature flue gas along tube heat exchanger, while transferred heat to outside pipeline in part
Heating air.In the exit of tube heat exchanger, the flue gas to have cooled is guide further into condensing heat exchanger, remaining cigarette
Gas heat passes to heating air by condensing heat release, and heating air is delivered to and confession is realized in user environment by last breeze fan
It is warm, and flue gas then discharges outdoor by exhaust system.
But high-temperature flue gas temperature when flowing to the second half section of tube heat exchanger declines substantially, and its volume also accordingly diminishes,
The temperature difference of flue gas and heating air is caused to diminish, flow velocity decline, so as to cause the heat exchange efficiency of tube heat exchanger second half section relatively low,
Leverage heating performance.Therefore, it is necessary to further Optimal improvements are made to the structure of tube heat exchanger, to improve its heat exchange
Efficiency.
Utility model content
For the drawbacks described above or deficiency of prior art, the utility model provides a kind of heat exchanger fin, can effectively improve
The heat exchange efficiency of tube heat exchanger.
To achieve the above object, the utility model provides a kind of heat exchanger fin, and the heat exchanger fin includes rectangular substrate,
The substrate includes the first plate face and the second plate face of both sides, and first plate face laterally outwardly is extended with along the substrate
Multiple first baffles that length direction is spaced successively, second plate face laterally outwardly are extended with along the length direction successively
Multiple second baffles at interval, along the length direction, multiple first baffles and multiple second baffles replace successively
Arrangement, and the connecting hole being formed there through on the substrate is provided between the two neighboring first baffle and second baffle；Its
In, the first baffle and second baffle are one of semi-circular plate or arc plate and maximum radius less than the width of the substrate
Half.
Preferably, the width of the root of the first baffle or second baffle on the substrate accounts for the width of the substrate
At least 90%.
Preferably, the substrate is thermal conductive metal plate.
Preferably, the connecting hole is the punching hole on the substrate, and the first baffle or second baffle are the punching
Press the flange in hole.
Preferably, along the length direction of the substrate, the length between the two neighboring first baffle and second baffle
1.5 times of spacing no more than the width of the substrate.
The utility model further correspondingly provides a kind of heat exchanger, and the heat exchanger includes heat exchange pipe, further comprises above-mentioned
Heat exchanger fin, the heat exchanger fin are arranged in the heat exchange pipe.
Preferably, the caliber of the heat exchange pipe is identical with the width of the substrate so that two long sides of the substrate
The inwall of the heat exchange pipe is abutted respectively.
Preferably, formed with mistake between the inwall of the outward flange of the first baffle or second baffle and the heat exchange pipe
Ebb interval.
Preferably, the heat exchanger fin is arranged in the afterbody pipeline section of the heat exchange pipe.
The utility model further correspondingly provides a kind of heating forced ventilation formula gas furnace, including along high-temperature flue gas runner side
To the tube heat exchanger and condensing heat exchanger being sequentially arranged, tube heat exchanger is above-mentioned heat exchanger.
Pass through above-mentioned technical proposal, the heat exchanger fin is set in heat exchange pipeline so that flue gas is composition in heat exchanger tube
Line flowing, inner tube smoke is formed as turbulent condition, with stable laminar condition Gas phase Smoke ratio, improves heat exchange efficiency；Heat exchange
The first baffle and second baffle of piece are the half that semi-circular plate or arc plate and maximum radius are less than the width of substrate, that is, are exchanged heat
When piece is arranged in heat exchange pipeline, the outward flange of each first baffle and second baffle on its substrate is left with heat exchange tube wall
Certain gap, it is ensured that partial fume close to heat exchange tube wall flowing, can improve the heat exchange efficiency of flue gas and the tube wall that exchanges heat.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Fig. 1 is to employ the heating forced ventilation formula combustion gas according to the heat exchanger fin of preferred embodiment of the present utility model
The system schematic of stove；
Fig. 2 is the stereogram of the heat exchanger fin in Fig. 1.
Description of reference numerals
1：Heat exchanger fin；11：Substrate；12：Connecting hole；13：First baffle；14：Second baffle；
2：Heating forced ventilation formula gas furnace；21：Tube heat exchanger；22：Condensing heat exchanger.
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In the utility model, in the case where not making opposite explanation, the noun of locality such as " upper and lower, top, bottom " used is generally
It is each part mutual alignment either on vertical, vertical or gravity direction for direction shown in the drawings
Relationship description word.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Fig. 2 the utility model provides a kind of heat exchanger fin 1, rectangular substrate 11 is included, substrate 11 includes both sides
The first plate face and the second plate face, the first plate face laterally outwardly be extended be spaced successively along the length direction of substrate 11 it is multiple
First baffle 13, the second plate face laterally outwardly are extended with the multiple second baffles 14 being spaced successively along above-mentioned length direction, edge
Length direction, multiple first baffles 13 and multiple second baffles 14 are alternately arranged successively, and two neighboring first baffle 13 and
The connecting hole 12 being penetratingly formed on substrate is provided between two baffle plates 14；Wherein, first baffle 13 and second baffle 14 are half
Plectane or arc plate and maximum radius are less than the half of the width of substrate 11.
When flue gas flows in the heat exchange pipeline provided with above-mentioned heat exchanger fin 1, it can be kept off by the baffle plate on the substrate 11 of heat exchanger fin 1
Firmly, now partial fume can only bypass baffle plate and close to heat exchange tube wall flowing；After the partial fume flows through heat exchange tube wall, it can wear
The connecting hole 12 crossed on substrate 11, the flue gas directly flowed through with another part in the gap of baffle plate and the tube wall that exchanges heat mix, and after
It is continuous to bypass next baffle plate.Because substrate 11 is provided with multiple first plate washers 13, second baffle 14 and connecting hole 12, therefore above-mentioned stream
Dynamic process will be repeated constantly, until flue gas passes through the heat exchange pipeline completely.That is, flue gas is provided with above-mentioned heat exchanger fin 1
Make curvilinear flow in heat exchanger tube, therefore the flue gas in pipe is formed as turbulent condition, and stable laminar condition Gas phase Smoke ratio,
Greatly improve heat exchange efficiency；The first baffle 13 and second baffle 14 of heat exchanger fin 1 be semi-circular plate or arc plate and maximum half
Footpath is less than the half of the width of substrate 11, i.e., when heat exchanger fin 1 is arranged in heat exchange pipeline, each first baffle 13 on substrate 11
Certain gap is left with the outward flange of second baffle 14 with heat exchange tube wall, it is ensured that partial fume can be close to heat exchange tube wall stream
It is dynamic, improve the heat exchange efficiency of flue gas and the tube wall that exchanges heat.
Specifically, the width of the root of first baffle 13 or second baffle 14 on the substrate 11 accounts for the width of substrate 11 extremely
Few 90%.That is, being only distributed with one on the length direction of the first plate face of the substrate 11 of heat exchanger fin 1 ranked first baffle plate
13, on the length direction of the second plate face of substrate 11 being only distributed with one ranked second baffle plate 14, correspondingly in the length of substrate 11
A row is only distributed with direction and is formed there through connecting hole 12 on the substrate 11.When there is provided in the present embodiment in heat exchange pipeline
After heat exchanger fin 1, the area of section of its pipeline will greatly reduce, and flue gas flow velocity when flowing through above-mentioned heat exchanger fin 1 can be accelerated, and improve
Heat transfer coefficient in pipe.
Preferably, substrate 11 can be thermal conductive metal plate.When heat exchanger fin 1 in the present embodiment is arranged at into heat exchange pipeline,
Mutually abutted against between the substrate 11 and heat exchange tube wall of heat exchanger fin 1, because the heat conductivility of the substrate 11 using thermal conductive metal plate is good
Good, the heat-transfer effect between flue gas and substrate 11, substrate 11 and heat exchange tube wall can be significantly improved.
Preferably, connecting hole 12 can be the punching hole on substrate 11, and first baffle 13 or second baffle 14 are punching hole
Flange.That is, the connecting hole 12, first baffle 13 and second baffle 14 on the substrate 11 of heat exchanger fin 1 can pass through letter
Single Sheet Metal Forming Technology integrated molding, greatlys save processing cost；Heat exchanger fin 1 in the present embodiment of punching press integrated molding
First baffle 13, second baffle 14 and connecting hole 12 belong to same metal, and first baffle 13 or second baffle 14 with even
The connection connect between hole 12 is more uniform relative to other connected modes, is advantageous to improve the heat-transfer capability of heat exchanger fin 1.
Specifically, along the length direction of substrate 11, between the length between two neighboring first baffle 13 and second baffle 14
1.5 times of width away from no more than substrate 11.
The utility model additionally provides a kind of heat exchanger, including heat exchange pipe, heat exchanger also include above-mentioned heat exchanger fin 1, changed
Backing 1 is arranged in heat exchange pipe.By using the heat exchanger fin 1, the heat exchange efficiency of heat exchanger can be greatly improved.
Specifically, exchange heat pipe caliber it is identical with the width of substrate 11 so that two long sides of substrate 11 abut respectively
The inwall of heat exchange pipe.Mutually abut against and engage between the substrate 11 of heat exchanger fin and the tube wall for the pipe that exchanges heat, be not required to set fixation again
Heat exchanger fin 1 is fixed by mechanism, simplifies installation；In addition, substrate 11 preferably uses heat-conducting metal material, its phase mutual connection with heat exchange pipe
Touching makes the transmission efficiency of heat higher.
Specifically, formed between excessively stream between the inwall of the outward flange and the pipe that exchanges heat of first baffle 13 or second baffle 14
Gap.Partial fume directly can be justified when exchanging heat Flow In A Circular Tube by the outward flange of first baffle 13 or second baffle 14 and heat exchange
Gap between the inwall of pipe, increase equivalent to the area directly contacted between flue gas and the inwall for the pipe that exchanges heat, improve biography
The thermal efficiency.
Preferably, heat exchanger fin 1 may be provided in the afterbody pipeline section of heat exchange pipe.Generally, flue gas is flowing to heat exchange pipe
Afterbody pipeline section when, temperature decline, heat exchange pipe outside heating air between the temperature difference it is smaller；The flow velocity of flue gas becomes simultaneously
Slowly, heat transfer coefficient reduces, and the heat exchange efficiency of the afterbody pipeline section of heat exchange pipe is reduce further, so as to cause heat exchanger integrally to change
The thermal efficiency declines.It can be seen that heat exchanger fin 1 is arranged in the afterbody pipeline section of heat exchange pipe, effectively solved from root above-mentioned
Problem.
As shown in figure 1, the utility model additionally provides a kind of heating forced ventilation formula gas furnace 2, including along high temperature cigarette
The tube heat exchanger 21 and condensing heat exchanger 22 that flow channel direction is sequentially arranged, tube heat exchanger 21 are above-mentioned heat exchanger.Pass through
Using the heat exchanger, it can preferably improve the seasonal energy efficiency ratio (seer) of heating forced ventilation formula gas furnace 2.In a specific embodiment
In, heating, from 93% original lifting to 95%, is come with the seasonal energy efficiency ratio (seer) of forced ventilation formula gas furnace 2 for gas furnace product
Say, this lifting equivalent to an efficiency grade；If reached by using the method for increasing heat exchanger specification in the prior art
Lifted, then needed the length increase by 8%~10% for the pipe that exchanges heat, but the method can considerably increase to same efficiency grade
Space shared by cost and installation heat exchanger, and be unfavorable for wind field and be uniformly distributed.Therefore the heat exchange in the present embodiment is employed
The heating of device forced ventilation formula gas furnace 2, can be with cost-effective while overall heat exchange performance is substantially increased.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model
Art scheme carries out a variety of simple variants, and these simple variants belong to the scope of protection of the utility model.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed
Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.
Claims (10)
1. a kind of heat exchanger fin, it is characterised in that the heat exchanger fin (1) includes rectangular substrate (11), and the substrate includes two
The first plate face and the second plate face of side, first plate face laterally outwardly be extended with along the substrate length direction successively between
Every multiple first baffles (13), second plate face laterally outwardly be extended be spaced successively along the length direction it is multiple
Second baffle (14), along the length direction, multiple first baffles and multiple second baffles are alternately arranged successively, and
The connecting hole (12) being formed there through on the substrate is provided between the two neighboring first baffle and second baffle；Wherein,
The first baffle and second baffle are the half that semi-circular plate or arc plate and maximum radius are less than the width of the substrate.
2. heat exchanger fin according to claim 1, it is characterised in that the first baffle or second baffle are on the substrate
Root width account for the substrate width at least 90%.
3. heat exchanger fin according to claim 1, it is characterised in that the substrate is thermal conductive metal plate.
4. heat exchanger fin according to claim 1, it is characterised in that the connecting hole be the substrate on punching hole, institute
State the flange of first baffle or second baffle for the punching hole.
5. heat exchanger fin according to claim 1, it is characterised in that two neighboring described along the length direction of the substrate
Length spacing between first baffle and second baffle is not more than 1.5 times of the width of the substrate.
6. a kind of heat exchanger, including heat exchange pipe, it is characterised in that the heat exchanger also includes appointing according in Claims 1 to 5
Heat exchanger fin described in meaning one, the heat exchanger fin are arranged in the heat exchange pipe.
7. heat exchanger according to claim 6, it is characterised in that the width of the caliber and the substrate of the heat exchange pipe
It is identical so that two long sides of the substrate abut the inwall of the heat exchange pipe respectively.
8. heat exchanger according to claim 6, it is characterised in that the outward flange of the first baffle or second baffle and institute
State heat exchange pipe inwall between formed with cross ebb interval.
9. heat exchanger according to claim 6, it is characterised in that the heat exchanger fin is arranged on the afterbody of the heat exchange pipe
In pipeline section.
10. a kind of heating forced ventilation formula gas furnace, including the tube heat exchanger being sequentially arranged along high-temperature flue gas runner direction
(21) and condensing heat exchanger (22), it is characterised in that the tube heat exchanger is according to any one institute in claim 6~9
The heat exchanger stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902636.4U CN206959673U (en) | 2017-07-24 | 2017-07-24 | Heat exchanger fin, heat exchanger and heating forced ventilation formula gas furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902636.4U CN206959673U (en) | 2017-07-24 | 2017-07-24 | Heat exchanger fin, heat exchanger and heating forced ventilation formula gas furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206959673U true CN206959673U (en) | 2018-02-02 |
Family
ID=61381408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720902636.4U Active CN206959673U (en) | 2017-07-24 | 2017-07-24 | Heat exchanger fin, heat exchanger and heating forced ventilation formula gas furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206959673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377808A (en) * | 2020-11-27 | 2021-02-19 | 吴国胜 | LNG natural gas condensing system |
-
2017
- 2017-07-24 CN CN201720902636.4U patent/CN206959673U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377808A (en) * | 2020-11-27 | 2021-02-19 | 吴国胜 | LNG natural gas condensing system |
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| GR01 | Patent grant |