CN105486125B - Heat exchanger and water heater - Google Patents
Heat exchanger and water heater Download PDFInfo
- Publication number
- CN105486125B CN105486125B CN201610021833.5A CN201610021833A CN105486125B CN 105486125 B CN105486125 B CN 105486125B CN 201610021833 A CN201610021833 A CN 201610021833A CN 105486125 B CN105486125 B CN 105486125B
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- heat exchanger
- exchanger tube
- heat
- end cap
- flue gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
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- Engineering & Computer Science (AREA)
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- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention discloses a kind of heat exchanger and water heater, wherein, heat exchanger includes heat exchanging piece, multiple rows of heat exchanger tube, and the first afflux end cap and the second afflux end cap；Installation gap is formed between the heat exchanger tube of adjacent row, heat exchanging piece is amplexiformed two heat exchanger tubes adjacent in heat exchanger and set in installation gap；Heat exchanging piece includes heat exchanger fin, and heat exchanger fin is made by metal material；Heat exchanger fin is bent to form undaform back and forth in its thickness direction, and spaced protrusion is respectively formed on the tow sides in heat exchanger fin；Between two neighboring protrusion on the surface of the same side of heat exchanger fin the exhaust gases passes of heat exchanging piece are formed formed with flue gas passageway, flue gas passageway；The exhaust gases passes connection smoke inlet and exhanst gas outlet of heat exchanging piece are set；First afflux end cap and the corresponding two end cap with multiple rows of heat exchanger tube of the second afflux end cap are set, and corresponding heat exchanger tube in multiple rows of heat exchanger tube is connected.Technical solution of the present invention can improve the heat exchange efficiency of heat exchanger.
Description
Technical field
The present invention relates to technical field of water heaters, more particularly to a kind of heat exchanger and water heater.
Background technology
The heat exchanger that gas heater industry uses at present, is exchanged heat by heat exchanger tube and heat exchange fin, and heat exchanger tube is worn
Cross heat exchange fin and form heat exchange main body, heat exchange fin is smooth thin plate, and the mode of enhanced heat exchange is predominantly pressurizeed on thin plate
Type or flanging bore are disturbed flue gas flow direction, and the heat exchange fin does not have water conservancy diversion effect on flow of flue gas direction to flue gas,
Flue gas can not be guided fully to be contacted with heat exchange fin, and the heat exchange area of heat exchange fin and smoke contacts is also smaller, thus
The heat exchange efficiency of existing heat exchanger is relatively low.
The content of the invention
The main object of the present invention is to provide a kind of heat exchanger, it is intended to improves the heat exchange efficiency of heat exchanger.
To achieve the above object, heat exchanger proposed by the present invention, there is smoke inlet and exhanst gas outlet, the heat exchanger bag
Include heat exchanging piece, multiple rows of heat exchanger tube, and the first afflux end cap and the second afflux end cap；
Installation gap is formed between the heat exchanger tube of adjacent row, is changed described in the relative both sides correspondence in the installation gap
The smoke inlet and exhanst gas outlet of hot device, the heat exchanging piece are amplexiformed adjacent in the heat exchanger in the installation gap
Two row's heat exchanger tubes set；
The heat exchanging piece includes heat exchanger fin, and the heat exchanger fin is made by metal material；The heat exchanger fin is in its thickness direction
Undaform is bent to form back and forth, and spaced protrusion is respectively formed on the tow sides in the heat exchanger fin；Positioned at described
Formed between the two neighboring protrusion on the surface of the same side of heat exchanger fin formed with flue gas passageway, the flue gas passageway
The exhaust gases passes of the heat exchanging piece；The exhaust gases passes of the heat exchanging piece connect the smoke inlet and exhanst gas outlet and set；
The first afflux end cap and the corresponding two end cap with multiple rows of heat exchanger tube of the second afflux end cap are set, and by described in
The corresponding heat exchanger tube connection in multiple rows of heat exchanger tube.
Preferably, linear type is set in their extension direction, undaform is set or broken line type is set in the flue gas passageway.
Preferably, the first mounting plane that the protrusion is provided with to amplexiform with the heat exchanger tube.
Preferably, the heat exchanging piece includes multiple heat exchanger fins, and multiple heat exchanger fins splice successively, and multiple described
The flue gas passageway of heat exchanger fin connects to form the exhaust gases passes.
Preferably, the exhaust gases passes are set in bending or bending.
Preferably, in multiple heat exchanger fins, the flue gas on the surface of the not homonymy of the two neighboring heat exchanger fin
Passageway is docked, to form the exhaust gases passes.
Preferably, in multiple heat exchanger fins, the flue gas passageway of a heat exchanger fin is docked relative to the flue gas passageway
The flue gas passageway of another heat exchanger fin be inclined to set.
Preferably, the exhaust gases passes are set on airintake direction in bending.
Preferably, the heat exchanger fin is by stainless steel.
Preferably, the heat exchanger tube is flat tube.
Preferably, the cross section of the heat exchanger tube is circular, oval or square.
Preferably, the second mounting plane that the outer surface of the heat exchanger tube has to amplexiform with the heat exchanger fin.
Preferably, heat exchanger tube described in each row is integrated in a heat exchanger tube circuit board, and the heat exchanger tube circuit board includes two
The individual layer fishplate bar being bonded to each other, at least one of layer fishplate bar repeatedly swells laterally, to be formed in the inner side of this layer of fishplate bar
There is the groove that multiple spacing side by side are set, multiple grooves extend to the another of the layer fishplate bar from one end of the layer fishplate bar
End, multiple grooves enclose with another interlaminar board sets the shape heat exchanger tube in a row.
Preferably, described two layers of fishplate bar are formed by a plate body doubling.
Preferably, the first afflux end cap includes being installed on the first end plate of described multiple rows of heat exchanger tube one end, and described the
Two afflux end caps include the second end plate for being installed on multiple rows of heat exchanger tube other end；The first end plate is provided with to connect
First guiding gutter of the corresponding heat exchanger tube, second end plate are provided with to connect the second of the corresponding heat exchanger tube
Guiding gutter.
Preferably, the first afflux end cap also includes first to be connected on the inside of first end plate and with first end plate
Location-plate, each heat exchanger tube is corresponded on first location-plate one the first positioning convex, first convex are set
Rise and stretch into the corresponding heat exchanger tube, offered on first positioning convex and connect first guiding gutter and the heat exchange
The first through hole of pipe；
The second afflux end cap also includes the second location-plate being connected on the inside of the second end plate and with the second end plate,
Each heat exchanger tube is corresponded on second location-plate one the second positioning convex is set, second positioning convex stretches into pair
In the heat exchanger tube answered, offered on second positioning convex and connect the second of second guiding gutter and the heat exchanger tube
Through hole.
Preferably, two outer surfaces of the heat exchanger are formed located at heat exchanger tube described in outermost two row；Located at outermost
Heat exchanger tube described in two rows of side encloses jointly with the first afflux end cap, the second afflux end cap to be set to form the frame with two openings
Body, an opening of the framework form the smoke inlet, and another opening of the framework forms the exhanst gas outlet.
Preferably, the inlet flange that described heat exchanger also includes aiding in flue gas to enter the heat exchanger；It is described enter
Gas flange is installed at the smoke inlet.
Preferably, described heat exchanger is also included to collect the exhaust fume collecting hood of burning waste gas；The exhaust fume collecting hood is installed on institute
State smoke outlet.
Invention also proposes a kind of water heater, including burner and heat exchanger, and the heat exchanger includes heat exchanging piece, multiple rows of heat exchange
Pipe, and the first afflux end cap and the second afflux end cap；
Installation gap is formed between the heat exchanger tube of adjacent row, is changed described in the relative both sides correspondence in the installation gap
The smoke inlet and exhanst gas outlet of hot device, the heat exchanging piece are amplexiformed adjacent in the heat exchanger in the installation gap
Two row's heat exchanger tubes set；
The heat exchanging piece includes heat exchanger fin；The heat exchanger fin is bent to form undaform back and forth in its thickness direction, with institute
The tow sides for stating heat exchanger fin are respectively formed on spaced protrusion；Phase on the surface of the same side of the heat exchanger fin
Between adjacent two protrusions the exhaust gases passes of the heat exchanging piece are formed formed with flue gas passageway, the flue gas passageway；It is described
The exhaust gases passes of heat exchanging piece connect the smoke inlet and exhanst gas outlet and set；
The first afflux end cap and the corresponding two end cap with multiple rows of heat exchanger tube of the second afflux end cap are set, and by described in
The corresponding heat exchanger tube connection in multiple rows of heat exchanger tube；
Flue gas passes through out of described exhaust gases passes caused by the burner combustion.
In the heat exchanger of technical solution of the present invention, high-temperature flue gas enters exhaust gases passes by smoke inlet, and cold water is in heat exchanger tube
Middle to flow and streamed in the first afflux end cap, the second afflux end cap, high-temperature flue gas and cold water pass through heat exchanger tube and heat exchange
The contact of piece is exchanged heat；Wherein, heat exchanger fin is arranged to undaform, is respectively formed in the tow sides of heat exchanger fin spaced
It protrusion, can be dispersed in multiple formed with flue gas passageway, high-temperature flue gas between two neighboring protrusion on the surface of the same side
Flue gas flows in passageway, and the heat exchanger tube amplexiformed with heat exchanger fin and with heat exchanger fin carries out heat exchange；Due to being formd on heat exchanger fin
Multiple protrusions, for the heat exchanger fin of present invention heat exchanger is compared to the common heat exchanger fin of equal length and width, surface area is bigger, also
It is to say that total heat exchange area of heat exchanger of the invention is more compared to for the heat exchanger using the common heat exchanger fin of equal length and width
Greatly, thus the present invention heat exchanger can effectively improve heat exchange efficiency；Meanwhile the high-temperature flue gas in each flue gas passageway is changed
Backing and the heat exchanger tube amplexiformed with heat exchanger fin surround, and are sufficiently connect with heat exchanger fin and corresponding heat exchanger tube in exhaust gases passes
Touch, further improve heat exchange efficiency；Meanwhile high-temperature flue gas is subjected to scattered and water conservancy diversion by multiple flue gas passageways, guide high temperature
Flow of flue gas, high-temperature flue gas Uniform Flow can be made, so that the heat exchange of heat exchanger is evenly, heat transfer effect is more preferable.Due to changing
The heat exchanger fin of warmware is set in undaform, and heat exchanger fin amplexiforms setting with heat exchanger tube in heat exchanger of the invention can form flue,
Only need to weld the positive and negative of heat exchanger fin with corresponding heat exchanger tube during installation, therefore relative to the heat exchange of existing heat exchanger
For pipe through for the structure of heat exchange fin, heat exchanger structure of the invention is simpler, is easily installed.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation of the embodiment of present invention heat exchanger one；
Fig. 2 is the depression angle structural representation of heat exchanger in Fig. 1；
Fig. 3 is the decomposition texture schematic diagram at another visual angle of heat exchanger in Fig. 1；
Fig. 4 is the heat exchanging piece of heat exchanger and the assembling structure schematic diagram of heat exchanger tube in Fig. 1；
Fig. 5 is the structural representation of the heat exchanging piece of heat exchanger in Fig. 1；
Fig. 6 is the structural representation of the heat exchanger fin of heat exchanging piece in Fig. 5；
Fig. 7 is the structural representation at another visual angle of heat exchanger fin in Fig. 6；
Fig. 8 is the structural representation of the heat exchanger tube circuit board of heat exchanger in Fig. 1；
Fig. 9 is the deployed configuration schematic diagram of heat exchanger tube circuit board in Fig. 8；
Figure 10 is the structural representation of the first location-plate of the first afflux end cap of heat exchanger in Fig. 1；
Figure 11 is the structural representation of the second end plate of the second afflux end cap of heat exchanger in Fig. 1.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Heat exchanging piece | 200 | Heat exchanger tube |
| 300 | First afflux end cap | 400 | Second afflux end cap |
| 110 | Heat exchanger fin | 111 | Protrusion |
| 112 | Flue gas passageway | 201 | Second mounting plane |
| 500 | Heat exchanger tube circuit board | 510 | Layer fishplate bar |
| 511 | Groove | 310 | First end plate |
| 311 | First guiding gutter | 320 | First location-plate |
| 321 | First positioning convex | 322 | First through hole |
| 410 | Second end plate | 411 | Second guiding gutter |
| 420 | Second location-plate | 421 | Second positioning convex |
| 600 | Inlet flange | 700 | Exhaust fume collecting hood |
| 101 | Smoke inlet |
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining the relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., if should
When particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, the description for being related to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that referring to
Show or imply its relative importance or imply the quantity of the technical characteristic indicated by indicating.Thus, " first ", " are defined
At least one this feature can be expressed or be implicitly included to two " feature.In addition, the technical scheme between each embodiment can
To be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme occurs
It is conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the protection model of application claims
Within enclosing.
The present invention proposes a kind of heat exchanger.Fig. 1 is referred to Fig. 3, wherein, Fig. 1 is the embodiment of present invention heat exchanger one
Structural representation；Fig. 2 is the depression angle structural representation of heat exchanger in Fig. 1；Fig. 3 is another visual angle of heat exchanger in Fig. 1
Decomposition texture schematic diagram.
Fig. 1 to Fig. 4 is referred to, in embodiments of the present invention, the heat exchanger has smoke inlet 101 and exhanst gas outlet, institute
Stating heat exchanger includes heat exchanging piece 100, multiple rows of heat exchanger tube 200, and the first afflux end cap 300 and the second afflux end cap 400；
Installation gap is formed between the heat exchanger tube 200 of adjacent row, the relative both sides in the installation gap correspond to institute
The smoke inlet 101 and exhanst gas outlet of heat exchanger are stated, the heat exchanging piece 100 amplexiforms heat exchanger in the installation gap
In adjacent two row's heat exchanger tubes 200 set；
Fig. 6 and Fig. 7 are referred to, the heat exchanging piece 100 includes heat exchanger fin 110, and the heat exchanger fin 100 is by metal material system
；The heat exchanger fin 110 is bent to form undaform back and forth in its thickness direction, with the tow sides of the heat exchanger fin 110
It is respectively formed spaced protrusion 111；The two neighboring protuberance on the surface of the same side of the heat exchanger fin 110
Between portion 111 exhaust gases passes of the heat exchanging piece 100 are formed formed with flue gas passageway 112, the flue gas passageway 112；It is described to change
The exhaust gases passes of warmware 100 connect the smoke inlet 101 and exhanst gas outlet and set；
The corresponding two end cap with multiple rows of heat exchanger tube 200 of the first afflux end cap 300 and the second afflux end cap 400
And if the corresponding heat exchanger tube 200 in multiple rows of heat exchanger tube 200 is connected.
In the heat exchanger of technical solution of the present invention, high-temperature flue gas enters exhaust gases passes by smoke inlet 101, and cold water is exchanging heat
Flow in pipe 200 and streamed in the first afflux end cap 300, the second afflux end cap 400, high-temperature flue gas and cold water are by changing
The contact of heat pipe 200 and heat exchanger fin 110 is exchanged heat；Wherein, heat exchanger fin 110 is arranged to undaform, in the positive and negative of heat exchanger fin 110
Two sides is respectively formed on spaced protrusion 111, formed with flue gas between two neighboring protrusion 111 on the surface of the same side
Passageway 112, high-temperature flue gas, which can be dispersed in multiple flue gas passageways 112, to be flowed, and is pasted with heat exchanger fin 110 and with heat exchanger fin 110
The heat exchanger tube 200 connect carries out heat exchange；Due to foring multiple protrusions 111, the heat exchange of present invention heat exchanger on heat exchanger fin 110
For piece 110 is compared to the common heat exchanger fin of equal length and width, surface area is bigger, that is to say, that general compared to the equal length and width of use
For the heat exchanger of logical heat exchanger fin, total heat exchange area of heat exchanger of the invention is bigger, thus the heat exchanger of the present invention can have
Effect improves heat exchange efficiency；Meanwhile the high-temperature flue gas in each flue gas passageway 112 amplexiforms by heat exchanger fin 110 and with heat exchanger fin 110
Heat exchanger tube 200 surround, sufficiently contacted with heat exchanger fin 110 and corresponding heat exchanger tube 200 in exhaust gases passes, further
Improve heat exchange efficiency；Meanwhile high-temperature flue gas is subjected to scattered and water conservancy diversion by multiple flue gas passageways 112, guide high-temperature flue gas stream
It is dynamic, high-temperature flue gas Uniform Flow can be made, so that the heat exchange of heat exchanger is evenly, heat transfer effect is more preferable.Due to heat exchanging piece 100
Heat exchanger fin 110 set in undaform, heat exchanger fin 110 amplexiforms setting with heat exchanger tube 200 in heat exchanger of the invention to form
Flue, only need to weld the positive and negative of heat exchanger fin 110 with corresponding heat exchanger tube 200 during installation, therefore relative to existing
For the heat exchanger tube of heat exchanger passes through the structure of heat exchange fin, heat exchanger structure of the invention is simpler, is easily installed.
The material of the heat exchanger fin 110 can be the preferable metal of the heat conductivilitys such as copper, aluminium or decay resistance
Relatively good stainless steel.Heat exchanging piece 100 is made by stainless steel in the present invention, because the present invention uses stainless steel material, Ke Yiti
Heat exchanger corrosion resistance and resistance to elevated temperatures are risen, and then lifts water heater safety's service life, preferably ensures the safety of user,
Simultaneously as the big heat exchange efficiency of the heat exchange area of the heat exchanger fin 110 of the present invention is high, therefore use heat conductivility in general stainless steel
It is made, also can reach preferable heat transfer effect.
In actual use, the heat exchanger fin 110 of heat exchanging piece 100 according to the needs of the heat exchange efficiency of heat exchanger, can be set
The shape and bearing of trend in the flue gas passageway 112 in quantity and each heat exchanger fin 110；For example, when heat exchange efficiency requires low
Wait, less heat exchanger fin 110 and heat exchanger tube 200 can be set, and the flue gas passageway 112 of each heat exchanger fin 110 is shaped as straight line
The type and bearing of trend in flue gas passageway 112 is parallel with airintake direction, so as to reduce the volume and weight of heat exchanger；In another example
When heat exchange efficiency requires high, more heat exchanger fin 110 and heat exchanger tube 200, the flue gas mistake of each heat exchanger fin 110 can be set
The bearing of trend for being shaped as undaform or broken line type and flue gas passageway 112 in road 112 is with airintake direction in the angle for not being 0 °.
Bearing of trend of the high-temperature flue gas in the interior edge flue gas passageway 112 of flue gas passageway 112 flows, the shape in flue gas passageway 112
The flow direction of high-temperature flue gas is determined, the shape in flue gas passageway 112 can be configured as needed；For example, the flue gas passageway 112
Linear type is set in their extension direction, undaform is set or broken line type is set.The resistance in flue gas passageway 112 can be integrated and changed
Thermal effect considers, spacing between the two neighboring protrusion 111 in surface of the shape and the same side that adjust passage；As resistance is larger,
It is linear pattern that flue gas passageway 112, which then can be set, while increases spacing between two neighboring protrusion 111；Such as heat exchange efficiency requirement
It is higher, then reduce spacing between two neighboring protrusion 111, it is undaform or broken line type to set flue gas passageway 112；May be used also simultaneously
By adjusting the angle between flue gas passageway 112 and the airintake direction (as the dotted line arrows) of high-temperature flue gas, to adjust high temperature
The resistance that flue gas flows in flue gas passageway 112, for example, the airintake direction of high-temperature flue gas and the bearing of trend in flue gas passageway 112
Angle it is bigger, then resistance is bigger；When wherein linear pattern is set, easily prepare, when being set in undaform or broken line type, Ke Yizeng
Total kilometres of the flue gas in flue gas passageway 112 are increased temperature, so as to increase heat-exchange time, improve heat transfer effect；Refer to Fig. 6 and figure
7, in the present embodiment, consider the complexity prepared, linear type is set in their extension direction in the flue gas passageway 112.
It is more firmly and steady when being installed for both because the heat exchanging piece 100 of the present invention is amplexiformed with heat exchanger tube 200, preferably
Ground, the protrusion 111 are provided with to the first mounting plane (not shown) for being amplexiformed with the heat exchanger tube 200, heat exchanging piece 100 with
When heat exchanger tube 200 amplexiforms, the first mounting plane amplexiforms the outer wall of heat exchanger tube 200, and contact area is larger, good heat conduction effect and installation
Reliability is higher, meanwhile, the joint face of heat exchanger tube 200 assembled with heat exchanging piece 100 should also be burnishing surface, make the He of heat exchanger tube 200
The connection of heat exchanging piece 100 is more convenient, firm.
Heat exchanging piece 100 can only include a piece of heat exchanger fin 110；Multiple heat exchanger fins 110 can also be included, wherein, only include
During a piece of heat exchanger fin 110, the exhaust gases passes of the heat exchanging piece 100 are the 112 direct structures of flue gas passageway by a heat exchanger fin 110
Into；Fig. 4 and Fig. 5 are referred to, in this embodiment, it is preferred that, the heat exchanging piece 100 includes multiple heat exchanger fins 110, multiple described
Heat exchanger fin 110 splices successively, and the connection of flue gas passageway 112 of multiple heat exchanger fins 110 forms the exhaust gases passes excessively.Set
Multiple heat exchanger fins 110, the exhaust gases passes that the flue gas passageways 112 of multiple heat exchanger fins 110 is spliced to form, thus can be changed at each
On the premise of the bearing of trend and shape in the flue gas passageway 112 of backing 110 are relatively simple, pass through the cigarette to multiple heat exchanger fins 110
The bearing of trend in gas passageway 112 and the flexible setting of shape, change the bearing of trend and shape of the exhaust gases passes being spliced to form；From
And adapt to the heat exchange demand of the heat exchanging piece 100 of heat exchanger.
In order to increase stroke of the high-temperature flue gas in exhaust gases passes, it is preferable that the exhaust gases passes are set in bending or bending
Put.Wherein, exhaust gases passes bending or bending set, can be prolonged by adjusting the flue gas passageway 112 of different heat exchanger fin 110
Direction is stretched to realize, such as the bearing of trend in two neighboring flue gas passageway 112 can be set in the angle for not being 0 °；Exhaust gases passes
Bending or bending set, can also be realized by the shape in the flue gas passageway 112 for adjusting different heat exchanger fin 110, such as
The flue gas passageway 112 of heat exchanger fin 110 is set in bending or bending.High-temperature flue gas flows in the exhaust gases passes for bending or bending,
The stroke of high-temperature flue gas is longer, while the resistance increase that high-temperature flue gas is subject to, flows decrease, thus high-temperature flue gas and heat exchanger fin
110 heat-exchange time is longer, heat exchange area is bigger, therefore can effectively improve heat exchange efficiency.
When multiple heat exchanger fins 110 are spliced, the side that the flue gas passageway 112 of two neighboring heat exchanger fin 110 is connected is realized
Formula has a variety of, refers to Fig. 4 and Fig. 5, in this embodiment, it is preferred that, in multiple heat exchanger fins 110, positioned at two neighboring
Flue gas passageway 112 on the surface of the not homonymy of the heat exchanger fin 110 is docked, to form the exhaust gases passes.High-temperature flue gas can
To enter the flue gas passageway 112 of next heat exchanger fin 110 from the flue gas passageway 112 of previous heat exchanger fin 110, due to two cigarettes
Gas passageway 112 is located at the not homonymy of heat exchanging piece 100, that is to say, that high-temperature flue gas can be with the not homonymy positioned at heat exchanging piece 100
Heat exchanger tube 200 carries out heat exchange, is advantageous to the uniform heat exchange of the heat exchanger using the heat exchanging piece 100.
In another embodiment, in multiple heat exchanger fins 110, positioned at the same side of the two neighboring heat exchanger fin 110
Surface on flue gas passageway 112 dock, to form the exhaust gases passes.This setup can also realize two neighboring change
The connection in the flue gas passageway 112 of backing 110, and then carry out water conservancy diversion for the flowing of high-temperature flue gas.
Fig. 4 and Fig. 5 are referred to, in this embodiment, it is preferred that, in multiple heat exchanger fins 110, a heat exchanger fin
110 flue gas passageway 112 is in incline relative to the flue gas passageway 112 of another heat exchanger fin 110 docked with the flue gas passageway 112
Tiltedly set.The bearing of trend in i.e. two neighboring flue gas passageway 112 now, can cause the exhaust gases passes to exist in the angle for not being 0 °
The junction of two flue gas passageway 112 is bent, and high-temperature flue gas flows in the exhaust gases passes of bending, and its stroke is longer, while high temperature cigarette
The heat-exchange time of the increase of resistance that gas is subject to, flows decrease, thus high-temperature flue gas and heat exchanger fin 110 is longer, heat exchange area is bigger,
Therefore heat exchange efficiency can be effectively improved.
In order to improve heat exchange efficiency, it is preferable that the exhaust gases passes are set on airintake direction in bending.In view of bending
Angle cross conference influence flow resistance, refer to Fig. 4 and Fig. 5, in the present embodiment, the close air inlet of the exhaust gases passes
The bearing of trend in flue gas passageway 112 is in 30 ° of angles with airintake direction, and the bearing of trend in two neighboring flue gas passageway 112 is in 120 °
Angle, now, too big resistance will not be produced to the high-temperature flue gas for entering exhaust gases passes, while have again and extend exhaust gases passes
The effect of total journey.
Referring to Fig. 4, preferably, the heat exchanger tube 200 is flat tube.Heat exchanger tube 200 is in flat tube then heat exchanger tube 200
Heart district domain is nearer from calorie source, and the temperature spread of water temperature and central area water temperature is small at possible tube wall, will not be due to water flow temperature
Skewness, cause the adverse consequences such as easy fouling and current noise；Turn, fried dough twist piece and tabulator bars etc. need not be increased to disturb
Flow structure, it water in the heat exchanger tube 200 is exchanged heat and be more uniformly distributed, for existing heat exchanger tube, cost is lower,
Technique is simpler.
Certainly, heat exchanger tube 200 is also not limited only to flat tube, such as in other embodiments of the present invention, it is described to change
The cross section of heat pipe 200 is circular, oval or square.The actual setting situation of heat exchanger tube 200 can be selected as needed
Take, the present invention is limited not to this.
It is more firmly and steady when being installed for both because the heat exchanger tube 200 of the present invention amplexiforms with heat exchanger fin 110,
Refer to Fig. 4 and Fig. 8, it is preferable that the outer surface of the heat exchanger tube 200 have to amplexiformed with the heat exchanger fin 110 second
Mounting plane 201.Second mounting plane 201 amplexiforms the setting of heat exchanger fin 110, and contact area is larger, good heat conduction effect and installation
Reliability is higher, meanwhile, the joint face of the heat exchanger fin 110 coordinated with heat exchanger tube 200 should also be burnishing surface, make heat exchanger tube 200
It is more convenient, firm with the connection of heat exchanger fin 110.
Fig. 8 and Fig. 9 are referred to, in order to simplify the installation of heat exchanger tube 200, it is preferable that heat exchanger tube 200 described in each row is integrated
In a heat exchanger tube circuit board 500, the heat exchanger tube circuit board 500 includes two layer fishplate bars 510 being bonded to each other, at least within
One described layer of fishplate bar swells for more than 510 times laterally, recessed to be set in the inner side of this layer of fishplate bar 510 formed with multiple spacing side by side
Groove 511, multiple grooves 511 extend to the other end of the layer fishplate bar 510, Duo Gesuo from one end of the layer fishplate bar 510
State groove 511 and another interlaminar board encloses and sets the shape heat exchanger tube 200 in a row.Multiple heat exchanger tubes 200 are integrated into changing for tabular
In heat pipe circuit board 500 so that heat exchanger tube circuit board 500 can replace original row heat exchanger tube 200 to be applied in heat exchanger,
And it can be just to provide more heat exchanger tube 200 that several pieces of heat exchanger tube circuit boards 500, which are only used only, by the heat exchanger tube circuit board
500 when being installed in heat exchanger, because the volume of single heat exchanger tube circuit board 500 is larger, therefore position it is easy, due to heat exchanger
The negligible amounts of middle heat exchanger tube circuit board 500, therefore installation procedure is less, operation is simpler.Specifically, layer fishplate bar 510 is grand
Rising can be formed by die mould technique, can set protuberance with a layer fishplate bar 510；Can also be corresponding to two layer fishplate bars 510
Position is respectively formed protuberance, and corresponding two grooves 511 enclose jointly to be set to form heat exchanger tube 200；In practical operation, layer fishplate bar 510
Facilities are depending on the needs of heat exchanger tube 200.Two layer fishplate bars 510 are welded and fixed, and each heat exchanger tube circuit board 500 only exists
There is leak risk in the edge welding position of layer fishplate bar 510, and existing heat exchanger tube 200 has leak risk in welding position,
Thus for using more independent heat exchanger tubes 200, the risk of the leak of heat exchanger tube circuit board 500 of the invention is obvious
It is relatively low.
Two layer fishplate bars 510 can be two independent plate bodys or be formed by same plate body doubling.Refer to
Fig. 9, in this embodiment, in order to further simplify technique, it is preferable that described two layers of fishplate bar 510 are formed by a plate body doubling.
Thus, two layer fishplate bars 510 have a line just to link together originally, and without welding, moulding process is simplified, and leak
Risk also further reduces.Plate body doubling at dotted line, the both sides of dotted line form a layer fishplate bar 510 respectively.
First afflux end cap 300 and the second afflux end cap 400 turning on different heat exchanger tubes 200, make current carry out around
Stream, into different heat exchanger tubes 200, so that current can flow through all heat exchanger tubes 200, realizes uniform heat exchange；They
Realize that the mode for turning on different heat exchanger tubes 200 has a lot, such as the U-tube connected with heat exchanger tube 200 or more siphunculus are set；For
Reach more preferable water conservancy diversion effect, and simplify installation operation, refer to Fig. 1 to Fig. 3, and Figure 11, in the present embodiment, preferably
Ground, the first afflux end cap 300 include being installed on the first end plate 310 of described one end of multiple rows of heat exchanger tube 200, second collection
Stream end cap 400 includes the second end plate 410 for being installed on the other end of multiple rows of heat exchanger tube 200；The first end plate 310 is provided with
To connect the first guiding gutter 311 of the corresponding heat exchanger tube 200, second end plate 410 is provided with to connect correspondingly
The heat exchanger tube 200 the second guiding gutter 411.By above-mentioned set-up mode, the first afflux end cap 300 and the second afflux end cap
During 400 installation, it is only necessary to dock heat exchanger tube 200 with corresponding guiding gutter, simple in construction and installation operation is unusual
It is convenient.
Refer to Fig. 1 to Fig. 3, and Figure 10, it is preferable that the first afflux end cap 300 also includes being located at first end plate
310 inner sides and the first location-plate 320 for being connected with first end plate 310, correspond on first location-plate 320 it is each described in change
Heat pipe 200 sets first positioning convex 321, and first positioning convex 321 is stretched into the corresponding heat exchanger tube 200,
The first through hole 322 for connecting first guiding gutter 311 and the heat exchanger tube 200 is offered on first positioning convex 321；
The second afflux end cap 400 is also included located at the inner side of the second end plate 410 and the second location-plate being connected with the second end plate 410
420, each heat exchanger tube 200 is corresponded on the second location-plate 420 second positioning convex 421, second positioning are set
Projection 421 is stretched into the corresponding heat exchanger tube 200, and connection second water conservancy diversion is offered on second positioning convex 421
The second through hole (not shown) of groove 411 and the heat exchanger tube 200.It is fixed respectively by the first location-plate 320 and the second location-plate 420
The both ends of position heat exchanger tube 200, and be connected by the first positioning convex 321 and the second positioning convex 421 with heat exchanger tube 200, first
Through hole 322 connects first guiding gutter 311 and the heat exchanger tube 200, and the second through hole connects second guiding gutter 411 and institute
Heat exchanger tube 200 is stated, realizes afflux and the effect streamed.In the present embodiment, heat exchanger tube 200 and the heat exchanger fin 110 of heat exchanging piece 100
Welding, the first location-plate 320 weld with first end plate 310, and the second location-plate 420 welds with the second end plate 410, the first convex
The 321 Single port welding with heat exchanger tube 200 are played, the another port of the second positioning convex 421 and heat exchanger tube 200 is welded, sealing
Can be good.
The heat exchanger can set independent housing so that and the outward appearance of heat exchanger is more attractive, but in order to avoid heat exchanger
Casing surface temperature is higher, easily discoloration, there is the problem of burning risk, referring to Fig. 1, in this embodiment, it is preferred that, it is located at
Heat exchanger tube 200 described in outermost two row forms two outer surfaces of the heat exchanger；Located at heat exchange described in outermost two row
Pipe 200 encloses jointly with the first afflux end cap 300, the second afflux end cap 400 to be set to form the framework with two openings, described
One opening of framework forms the smoke inlet 101, and another opening of the framework forms the exhanst gas outlet.Due to changing
There are current in heat pipe 200 by the way that radiations heat energy can be absorbed, thus as the surface of heat exchanger tube 200 described in two rows of outer surface
Temperature is relatively low, and heat exchanger shell is reduced while the energy is saved and burns risk；In order to aid in installing the air inlet method of heat exchanger
The original papers such as orchid, the quantity of heat exchanger tube 200 described in outermost two row can be more than to the quantity of the heat exchanger tube 200 of inner side,
To cause heat exchanger tube 200 described in outermost two row to be higher than a few row's heat exchanger tubes 200 of inner side；Now changed described in outermost two
The outer surface of heat pipe 200 need not set mounting plane, it can be provided the rounded shapes such as circular arc, the stress concentration at this is avoided,
Reduce due to the risk born pressure and deformed.
Fig. 1 to Fig. 3 is referred to, further, described heat exchanger is also included to aid in flue gas to enter the heat exchanger
Inlet flange 600；The inlet flange 600 is installed at the smoke inlet 101.By setting inlet flange 600 and heat
The burner of hydrophone is connected, and auxiliary flue gas enters the exhaust gases passes of heat exchanger, avoids flue gas from leaking.
Fig. 1 and Fig. 3 are referred to, further, described heat exchanger is also included to collect the exhaust fume collecting hood of burning waste gas
700；The exhaust fume collecting hood 700 is installed on the smoke outlet.The integrally molded exhanst gas outlet in heat exchanger of exhaust fume collecting hood 700, receive
Collect burning waste gas, it is possible to reduce the process for collecting waste gas, lift operating efficiency, and the sealability of heat exchanger can be lifted, reduce
Leak cigarette risk.
The present invention also proposes a kind of water heater, and the water heater includes burner and heat exchanger, the concrete structure of the heat exchanger
With reference to above-described embodiment, because this water heater employs whole technical schemes of above-mentioned all embodiments, therefore at least have upper
All beneficial effects caused by the technical scheme of embodiment are stated, this is no longer going to repeat them.Wherein, the burner combustion production
Raw flue gas is out of described exhaust gases passes by the way that cold water carries out heat exchange with flue gas in heat exchanger.The present invention water heater be
Fully pre-mixing gas combustion water heater, the smoke inlet 101 of heat exchanger is located at the upper end of heat exchanger, and the exhanst gas outlet of heat exchanger is located at and changed
The lower end of hot device, burner are located at the top of heat exchanger, heat exchanger tube 200 used and heat exchanging piece 100 (heat exchanger fin 110) quantity foot
Enough, heat transfer effect adds condensate and heat exchanger sum equivalent to common type main heat exchanger, without adding any supernumerary structure, i.e.,
It can reach higher heat exchange efficiency.The water heater of the present invention can also be atmospheric combustion formula gas heater, reduce heat exchanger institute
By the use of heat exchanger tube 200 and (heat exchanger fin 110) quantity of heat exchanging piece 100 used as the main heat exchanger of water heater.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (14)
1. a kind of heat exchanger, there is smoke inlet and exhanst gas outlet, it is characterised in that the heat exchanger includes heat exchanging piece, multiple rows of
Heat exchanger tube, and the first afflux end cap and the second afflux end cap；
Installation gap is formed between the heat exchanger tube of adjacent row, the relative both sides in the installation gap correspond to the heat exchanger
Smoke inlet and exhanst gas outlet, the heat exchanging piece amplexiformed adjacent two in the heat exchanger in the installation gap
Heat exchanger tube is arranged to set；
The heat exchanging piece includes multiple heat exchanger fins, and each heat exchanger fin is made by metal material；Each heat exchanger fin is at it
Thickness direction is bent to form undaform back and forth, and spaced protuberance is respectively formed on the tow sides in each heat exchanger fin
Portion；Formed with flue gas passageway between the two neighboring protrusion on the surface of the same side of each heat exchanger fin；
Multiple heat exchanger fins splice successively, also, the flue gas passageway on the surface of the not homonymy of the two adjacent heat exchanger fins
Docking, to form exhaust gases passes；Wherein, the exhaust gases passes on bearing of trend in bending angle set；The heat exchanging piece
Exhaust gases passes connect the smoke inlet and exhanst gas outlet and set；
The two end cap that the first afflux end cap and the second afflux end cap correspond to multiple rows of heat exchanger tube is set, and will be described more
Arrange the corresponding heat exchanger tube connection in heat exchanger tube.
2. heat exchanger as claimed in claim 1, it is characterised in that the protrusion is provided with to amplexiform with the heat exchanger tube
First mounting plane.
3. heat exchanger as claimed in claim 1, it is characterised in that what the heat exchanger fin was made of stainless steel.
4. heat exchanger as claimed in claim 1, it is characterised in that the heat exchanger tube is flat tube.
5. heat exchanger as claimed in claim 1, it is characterised in that the cross section of the heat exchanger tube is circular, ellipse or side
Shape.
6. heat exchanger as claimed in claim 1, it is characterised in that the outer surface of the heat exchanger tube have to the heat exchange
The second mounting plane that piece amplexiforms.
7. heat exchanger as claimed in claim 1, it is characterised in that heat exchanger tube described in each row is integrated in a heat exchanger tube circuit board
In, the heat exchanger tube circuit board includes two layer fishplate bars being bonded to each other, and at least one of layer fishplate bar is repeatedly grand laterally
Rise, with the groove set in the inner side of this layer of fishplate bar formed with multiple spacing side by side, multiple grooves are from the layer fishplate bar
One end extends to the other end of the layer fishplate bar, and multiple grooves enclose with another layer of fishplate bar sets the shape heat exchanger tube in a row.
8. heat exchanger as claimed in claim 7, it is characterised in that described two layers of fishplate bar are formed by a plate body doubling.
9. heat exchanger as claimed in claim 1, it is characterised in that the first afflux end cap includes being installed on described multiple rows of change
The first end plate of heat pipe one end, the second afflux end cap include the second end plate for being installed on multiple rows of heat exchanger tube other end；
The first end plate is provided with to the first guiding gutter of the heat exchanger tube corresponding to connecting, second end plate be provided with to
Second guiding gutter of the heat exchanger tube corresponding to connection.
10. heat exchanger as claimed in claim 9, it is characterised in that the first afflux end cap also includes being located at first end plate
Inner side and the first location-plate being connected with first end plate, each heat exchanger tube is corresponded on first location-plate and sets one
First positioning convex, first positioning convex are stretched into the corresponding heat exchanger tube, offered on first positioning convex
Connect the first through hole of first guiding gutter and the heat exchanger tube；
The second afflux end cap also includes the second location-plate being connected on the inside of the second end plate and with the second end plate, described
Each heat exchanger tube is corresponded on second location-plate one the second positioning convex is set, second positioning convex stretches into corresponding
In the heat exchanger tube, second that connection second guiding gutter and the heat exchanger tube are offered on second positioning convex is logical
Hole.
11. heat exchanger as claimed in claim 9, it is characterised in that located at described in heat exchanger tube composition described in outermost two row
Two outer surfaces of heat exchanger；Located at heat exchanger tube described in outermost two row and the first afflux end cap, the second afflux end cap
Enclose jointly and set to form the framework with two openings, an opening of the framework forms the smoke inlet, the framework
Another opening forms the exhanst gas outlet.
12. heat exchanger as claimed in claim 1, it is characterised in that also include to aid in flue gas to enter the heat exchanger
Inlet flange；The inlet flange is installed at the smoke inlet.
13. heat exchanger as claimed in claim 1, it is characterised in that also include to collect the exhaust fume collecting hood of burning waste gas；It is described
Exhaust fume collecting hood is installed on the smoke outlet.
A kind of 14. water heater, it is characterised in that the heat exchanger including burner and as any one of claim 1 to 13,
Flue gas passes through out of described exhaust gases passes caused by the burner combustion.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021833.5A CN105486125B (en) | 2016-01-11 | 2016-01-11 | Heat exchanger and water heater |
| PCT/CN2016/113768 WO2017121256A1 (en) | 2016-01-11 | 2016-12-30 | Heat exchanger and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021833.5A CN105486125B (en) | 2016-01-11 | 2016-01-11 | Heat exchanger and water heater |
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| CN105486125A CN105486125A (en) | 2016-04-13 |
| CN105486125B true CN105486125B (en) | 2018-03-06 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017121256A1 (en) * | 2016-01-11 | 2017-07-20 | 芜湖美的厨卫电器制造有限公司 | Heat exchanger and water heater |
| WO2017121255A1 (en) * | 2016-01-11 | 2017-07-20 | 芜湖美的厨卫电器制造有限公司 | Heat exchange component and heat exchanger |
| CN106016688B (en) * | 2016-06-02 | 2022-06-17 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and heat exchanger for gas water heater |
| CN106642692B (en) * | 2016-07-28 | 2022-08-19 | 艾欧史密斯(中国)热水器有限公司 | Condensation gas water heater and condensation heat exchanger |
| CN109186008B (en) * | 2018-10-19 | 2023-11-28 | 际高科技有限公司 | Household water source double-plate heat recovery fresh air handling unit |
| CN113227545B (en) | 2018-11-27 | 2024-02-20 | 摩丁制造公司 | Heat exchanger for cooling a plurality of fluids |
| CN110398166A (en) * | 2019-08-28 | 2019-11-01 | 浙江工业大学 | A kind of Fumigator heat recoverer |
| CN112432361A (en) * | 2020-11-20 | 2021-03-02 | 无锡锡州机械有限公司 | Condensation heat exchanger of central heating system |
| CN114370704A (en) * | 2022-01-18 | 2022-04-19 | 山东爱客多热能科技有限公司 | Wall-mounted furnace |
| CN115212670B (en) * | 2022-06-29 | 2023-07-04 | 成都易态科技有限公司 | Industrial kiln flue gas purification device and yellow phosphorus flue gas purification system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07504264A (en) * | 1992-02-28 | 1995-05-11 | メラネシア・インターナショナル・トラスト・カンパニー・リミテッド | heat exchanger assembly |
| JPH10318695A (en) * | 1997-05-19 | 1998-12-04 | Zexel Corp | Heat exchanger |
| JPH1123182A (en) * | 1997-07-08 | 1999-01-26 | Nakamura Jikou:Kk | Heat exchanger |
| JP4117429B2 (en) * | 1999-02-01 | 2008-07-16 | 株式会社デンソー | Heat exchanger fins |
| JP2002137054A (en) * | 2000-10-26 | 2002-05-14 | Toyo Radiator Co Ltd | Heat exchanger and its production method |
| CN100455969C (en) * | 2002-12-31 | 2009-01-28 | 穆丹韩国有限会社 | Evaporator |
| CN204718457U (en) * | 2015-05-27 | 2015-10-21 | 广东万和新电气股份有限公司 | Heat exchanger and there is its gas heater |
| CN205537227U (en) * | 2016-01-11 | 2016-08-31 | 芜湖美的厨卫电器制造有限公司 | Heat exchanger and water heater |
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