CN205537227U - Heat exchanger and water heater - Google Patents

Heat exchanger and water heater Download PDF

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Publication number
CN205537227U
CN205537227U CN201620031776.4U CN201620031776U CN205537227U CN 205537227 U CN205537227 U CN 205537227U CN 201620031776 U CN201620031776 U CN 201620031776U CN 205537227 U CN205537227 U CN 205537227U
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CN
China
Prior art keywords
heat exchanger
flue gas
exchanger tube
heat
fin
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CN201620031776.4U
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Chinese (zh)
Inventor
杜小文
梁国荣
黄官贤
陆祖安
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Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
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Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
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Priority to CN201620031776.4U priority Critical patent/CN205537227U/en
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Publication of CN205537227U publication Critical patent/CN205537227U/en
Priority to PCT/CN2016/113768 priority patent/WO2017121256A1/en
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Abstract

The utility model discloses a heat exchanger and water heater, wherein, the heat exchanger includes heat transfer piece, multirow heat exchange tube to and first mass flow end cover and second mass flow end cover, form the installation clearance between adjacent row's the heat exchange tube, during the installation clearance is located to the heat transfer piece, and amplexiform two adjacent heat exchange tube settings in the heat exchanger, the heat transfer piece includes the heat exchanger fin, the heat exchanger fin makes a round trip bending type in its thickness direction and becomes the wave type to all form the protrusion that the interval set up on the tow sides of heat exchanger fin, lieing in and being formed with the flue gas passageway between two the adjacent protrusions on the surface with one side of heat exchanger fin, the flue gas passageway constitutes the flue gas passageway of heat transfer piece, the flue gas passageway intercommunication flue gas entry and the exhanst gas outlet setting of heat transfer piece, first mass flow end cover and second mass flow end cover correspond to be established with the both ends lid of multirow heat exchange tube, and with the heat exchange tube intercommunication that corresponds in the multirow heat exchange tube. The utility model discloses technical scheme can improve the heat exchange efficiency of heat exchanger.

Description

Heat exchanger and water heater
Technical field
This utility model relates to technical field of water heaters, particularly to a kind of heat exchanger and water heater.
Background technology
The heat exchanger that gas heater industry uses at present, carries out heat exchange by heat exchanger tube and heat exchange fin, Heat exchanger tube constitutes heat exchange main body through heat exchange fin, and heat exchange fin is smooth thin plate, the side of enhanced heat exchange Formula is mainly pressing type or flanging bore on thin plate and disturbs flue gas flow direction, and this heat exchange fin is at cigarette On flow of air direction, flue gas be there is no water conservancy diversion effect, it is impossible to guide flue gas to be fully contacted with heat exchange fin, and And heat exchange fin is smaller with the heat exchange area of smoke contacts, thus the heat exchange efficiency of existing heat exchanger Relatively low.
Utility model content
Main purpose of the present utility model is to provide a kind of heat exchanger, it is intended to improve the heat exchange efficiency of heat exchanger.
For achieving the above object, the heat exchanger that the utility model proposes, there is smoke inlet and exhanst gas outlet, Described heat exchanger includes heat exchanging piece, multiple rows of heat exchanger tube, and the first afflux end cap and the second afflux end cap;
Assemblage gap, the relative both sides pair of described assemblage gap are formed between the described heat exchanger tube of adjacent row Answering smoke inlet and the exhanst gas outlet of described heat exchanger, described heat exchanging piece is located in described assemblage gap, and Amplexiform two row's heat exchanger tubes adjacent in described heat exchanger to arrange;
Described heat exchanging piece includes heat exchanger fin;Described heat exchanger fin is bent to form undaform back and forth at its thickness direction, It is respectively formed on spaced protrusion with the tow sides at described heat exchanger fin;It is positioned at described heat exchanger fin It is formed with flue gas passageway, described flue gas passageway between adjacent two described protrusions on the surface of the same side Constitute the exhaust gases passes of described heat exchanging piece;The exhaust gases passes of described heat exchanging piece connects described smoke inlet and cigarette Gas outlet is arranged;
The two end cap of described first afflux end cap and the corresponding and described multiple rows of heat exchanger tube of the second afflux end cap sets, And by described heat exchanger tube connection corresponding in described multiple rows of heat exchanger tube.
Preferably, described flue gas passageway the most linearly type is arranged, undaform is arranged or folding Line style is arranged.
Preferably, described protrusion is provided with the first mounting plane in order to amplexiform with described heat exchanger tube.
Preferably, described heat exchanging piece includes that multiple described heat exchanger fin, multiple described heat exchanger fins splice successively, And the flue gas passageway connection of multiple described heat exchanger fin forms described exhaust gases passes.
Preferably, in bending or bending is arranged described exhaust gases passes.
Preferably, in multiple described heat exchanger fins, it is positioned at the surface of the not homonymy of adjacent two described heat exchanger fins On flue gas passageway docking, to form described exhaust gases passes.
Preferably, in multiple described heat exchanger fins, the flue gas passageway of heat exchanger fin described in relative to this flue gas The flue gas passageway of another described heat exchanger fin of passageway docking is inclined to set.
Preferably, described exhaust gases passes is arranged in bending on airintake direction.
Preferably, described heat exchanger tube is flat tube.
Preferably, the cross section of described heat exchanger tube is circular, oval or square.
Preferably, the outer surface of described heat exchanger tube has in order to flat with the second installation that described heat exchanger fin amplexiforms Face.
Preferably, heat exchanger tube described in each row is integrated in a heat exchanger tube circuit board, and described heat exchanger tube is integrated Plate includes two layer fishplate bars bonded to each other, and one of them described layer fishplate bar swells the most laterally, with Be formed with the groove that multiple spacing side by side is arranged in the inner side of this layer of fishplate bar, multiple described grooves are from described layer One end of fishplate bar extends to the other end of described layer fishplate bar, and multiple described grooves and another interlaminar board enclose and set shape Described heat exchanger tube in a row.
Preferably, said two layer fishplate bar is formed by a plate body doubling.
Preferably, described first afflux end cap includes the first end plate being installed on described multiple rows of heat exchanger tube one end, Described second afflux end cap includes the second end plate being installed on described multiple rows of heat exchanger tube other end;Described first End plate is provided with to connect the first guiding gutter of the described heat exchanger tube of correspondence, and described second end plate is provided with In order to connect the second guiding gutter of the described heat exchanger tube of correspondence.
Preferably, described first afflux end cap also includes being located at inside the first end plate and is connected with the first end plate The first location-plate connect, on described first location-plate, corresponding each described heat exchanger tube arranges one first location Projection, described first positioning convex stretches in the described heat exchanger tube of correspondence, described first positioning convex is opened It is communicated with the first through hole of described first guiding gutter and described heat exchanger tube;
Described second afflux end cap also includes being located at second be connected inside the second end plate and with the second end plate Location-plate, on described second location-plate, corresponding each described heat exchanger tube arranges second positioning convex, institute State in the described heat exchanger tube that the second positioning convex stretches into correspondence, described second positioning convex offers connection Described second guiding gutter and the second through hole of described heat exchanger tube.
Preferably, it is located at heat exchanger tube described in outermost two rows and constitutes two outer surfaces of described heat exchanger; It is located at heat exchanger tube described in outermost two rows jointly to enclose set with described first afflux end cap, the second afflux end cap Forming the framework with two openings, an opening of described framework constitutes described smoke inlet, described frame Another opening of body constitutes described exhanst gas outlet.
Preferably, described heat exchanger also includes the inlet flange assisting flue gas to enter described heat exchanger; Described inlet flange is installed at described smoke inlet.
Preferably, described heat exchanger also includes the exhaust fume collecting hood collecting burning waste gas;Described exhaust fume collecting hood It is installed on described smoke outlet.
Utility model also proposes a kind of water heater, and including burner and heat exchanger, described heat exchanger includes changing Warmware, multiple rows of heat exchanger tube, and the first afflux end cap and the second afflux end cap;
Assemblage gap, the relative both sides pair of described assemblage gap are formed between the described heat exchanger tube of adjacent row Answering smoke inlet and the exhanst gas outlet of described heat exchanger, described heat exchanging piece is located in described assemblage gap, and Amplexiform two row's heat exchanger tubes adjacent in described heat exchanger to arrange;
Described heat exchanging piece includes heat exchanger fin;Described heat exchanger fin is bent to form undaform back and forth at its thickness direction, It is respectively formed on spaced protrusion with the tow sides at described heat exchanger fin;It is positioned at described heat exchanger fin It is formed with flue gas passageway, described flue gas passageway between adjacent two described protrusions on the surface of the same side Constitute the exhaust gases passes of described heat exchanging piece;The exhaust gases passes of described heat exchanging piece connects described smoke inlet and cigarette Gas outlet is arranged;
The two end cap of described first afflux end cap and the corresponding and described multiple rows of heat exchanger tube of the second afflux end cap sets, And by described heat exchanger tube connection corresponding in described multiple rows of heat exchanger tube;
The flue gas that described burner combustion produces passes through in described exhaust gases passes.
In the heat exchanger of technical solutions of the utility model, high-temperature flue gas is entered exhaust gases passes by smoke inlet, Cold water flows in heat exchanger tube and streams in the first afflux end cap, the second afflux end cap, high temperature cigarette Gas and cold water carry out heat exchange by the contact of heat exchanger tube and heat exchanger fin;Wherein, heat exchanger fin is arranged to undaform, Tow sides at heat exchanger fin are respectively formed on spaced protrusion, on the surface of the same side adjacent two Being formed with flue gas passageway between protrusion, high-temperature flue gas can be dispersed in multiple flue gas passageway flowing, and Heat exchange is carried out with heat exchanger fin and the heat exchanger tube amplexiformed with heat exchanger fin;Multiple grand owing to defining on heat exchanger fin The portion of rising, for the heat exchanger fin of this utility model heat exchanger is compared to the common heat exchanger fin of equal length and width, surface Long-pending bigger, say, that for the heat exchanger compared to the common heat exchanger fin of the equal length and width of use, this practicality Total heat exchange area of novel heat exchanger is bigger, thus heat exchanger of the present utility model can be effectively improved and change The thermal efficiency;Meanwhile, the high-temperature flue gas in each flue gas passageway by heat exchanger fin and with changing that heat exchanger fin amplexiforms Heat pipe surrounds, and sufficiently contacts, further with heat exchanger fin and corresponding heat exchanger tube in exhaust gases passes Improve heat exchange efficiency;Meanwhile, carry out disperseing and water conservancy diversion by high-temperature flue gas by multiple flue gas passageways, guide High-temperature flue gas flows, and can make high-temperature flue gas Uniform Flow, so that the heat exchange of heat exchanger is evenly, change Thermal effect is more preferable.Owing to the heat exchanger fin of heat exchanging piece is that undaform is arranged, heat exchanger of the present utility model changes Backing and heat exchanger tube amplexiform setting and can form flue, have only to the positive and negative of heat exchanger fin with right during installation Answering heat exchanger tube to weld, therefore the heat exchanger tube relative to existing heat exchanger passes the structure of heat exchange fin For, heat exchanger structure of the present utility model is simpler, is easily installed.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain according to the structure shown in these accompanying drawings Obtain other accompanying drawing.
Fig. 1 is the structural representation of this utility model heat exchanger one embodiment;
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 structural representation 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 illustrates:
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 of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings into One step explanation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment Scheme is clearly and completely described, it is clear that described embodiment is only of the present utility model one Section Example rather than whole embodiments.Based on the embodiment in this utility model, this area is general The every other embodiment that logical technical staff is obtained under not making creative work premise, broadly falls into The scope of this utility model protection.
It is to be appreciated that directional instruction in this utility model embodiment (such as upper and lower, left and right, It is forward and backward ...) it is only used for explanation phase under a certain particular pose (as shown in drawings) between each parts To position relationship, motion conditions etc., if this particular pose changes, then directionality indicates also Change the most therewith.
It addition, the description relating to " first ", " second " etc. in this utility model is only used for describing purpose, And it is not intended that indicate or imply its relative importance or the implicit number indicating indicated technical characteristic Amount.Thus, define " first ", the feature of " second " can be expressed or implicitly include at least one Individual this feature.It addition, the technical scheme between each embodiment can be combined with each other, but must be with Based on those of ordinary skill in the art are capable of, when conflicting or nothing occurs in the combination of technical scheme Will be understood that when method realizes that the combination of this technical scheme does not exists, the guarantor not required at this utility model Within the scope of protecting.
The utility model proposes a kind of heat exchanger.Referring to Fig. 1 to Fig. 3, wherein, Fig. 1 is this utility model The structural representation of heat exchanger one embodiment;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.
Referring to Fig. 1 to Fig. 4, in this utility model embodiment, this heat exchanger has smoke inlet 101 He Exhanst gas outlet, described 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;
Assemblage gap, relative two of described assemblage gap are formed between the described heat exchanger tube 200 of adjacent row The smoke inlet 101 of the corresponding described heat exchanger in side and exhanst gas outlet, described heat exchanging piece 100 is located at described peace In dress gap, and amplexiform two row's heat exchanger tubes 200 adjacent in heat exchanger and arrange;
Referring to Fig. 6 and Fig. 7, described heat exchanging piece 100 includes heat exchanger fin 110;Described heat exchanger fin 110 exists Its thickness direction is bent to form undaform back and forth, is respectively formed on the tow sides at described heat exchanger fin 110 Spaced protrusion 111;Adjacent two institutes on the surface of the same side being positioned at described heat exchanger fin 110 Stating and be formed with flue gas passageway 112 between protrusion 111, described flue gas passageway 112 constitutes described heat exchanging piece 100 Exhaust gases passes;The exhaust gases passes of described heat exchanging piece 100 connects described smoke inlet 101 and exhanst gas outlet Arrange;
Described first afflux end cap 300 and the second afflux end cap 400 are corresponding with described multiple rows of heat exchanger tube 200 Two end cap set, and described heat exchanger tube 200 corresponding in described multiple rows of heat exchanger tube 200 is connected.
In the heat exchanger of technical solutions of the utility model, high-temperature flue gas is entered flue gas by smoke inlet 101 and leads to Road, cold water flows in heat exchanger tube 200 and enters in first afflux end cap the 300, second afflux end cap 400 Row streams, and high-temperature flue gas and cold water carry out heat exchange by the contact of heat exchanger tube 200 and heat exchanger fin 110;Its In, heat exchanger fin 110 is arranged to undaform, and the tow sides at heat exchanger fin 110 are respectively formed on interval and arrange Protrusion 111, the surface of the same side is formed with flue gas passageway 112 between adjacent two protrusions 111, High-temperature flue gas can be dispersed in multiple flue gas passageway 112 flowing, and with heat exchanger fin 110 and and heat exchanger fin The heat exchanger tube 200 that 110 amplexiform carries out heat exchange;Owing to defining multiple protrusion 111 on heat exchanger fin 110, For the heat exchanger fin 110 of this utility model heat exchanger is compared to the common heat exchanger fin of equal length and width, surface area Bigger, say, that for the heat exchanger compared to the common heat exchanger fin of the equal length and width of use, this practicality is new Total heat exchange area of the heat exchanger of type is bigger, thus heat exchanger of the present utility model can be effectively improved heat exchange Efficiency;Meanwhile, the high-temperature flue gas in each flue gas passageway 112 by heat exchanger fin 110 and with heat exchanger fin 110 The heat exchanger tube 200 amplexiformed surrounds, and enters with heat exchanger fin 110 and corresponding heat exchanger tube 200 in exhaust gases passes Row sufficiently contact, improves heat exchange efficiency further;Meanwhile, by multiple flue gas passageway 112 by high temperature Flue gas carries out disperseing and water conservancy diversion, guides high-temperature flue gas flowing, can make high-temperature flue gas Uniform Flow, thus Making the heat exchange of heat exchanger evenly, heat transfer effect is more preferable.Owing to the heat exchanger fin 110 of heat exchanging piece 100 is in ripple Wave type is arranged, and in heat exchanger of the present utility model, heat exchanger fin 110 and heat exchanger tube 200 amplexiform setting and get final product shape Become flue, have only to during installation weld the positive and negative of heat exchanger fin 110 with corresponding heat exchanger tube 200, Therefore for the heat exchanger tube relative to existing heat exchanger passes the structure of heat exchange fin, of the present utility model Heat exchanger structure is simpler, is easily installed.
In actually used, changing of heat exchanging piece 100 can be set according to the needs of the heat exchange efficiency of heat exchanger The shape in the flue gas passageway 112 in the quantity of backing 110 and each heat exchanger fin 110 and bearing of trend;Such as, Heat exchange efficiency requires low when, less heat exchanger fin 110 and heat exchanger tube 200, Mei Gehuan can be set The flue gas passageway 112 of backing 110 be shaped as linear type and the bearing of trend in flue gas passageway 112 and air inlet Direction is parallel, thus reduces the volume and weight of heat exchanger;The most such as, heat exchange efficiency require high time Wait, more heat exchanger fin 110 and heat exchanger tube 200, the flue gas passageway 112 of each heat exchanger fin 110 can be set The bearing of trend being shaped as undaform or broken line type and flue gas passageway 112 and airintake direction in not being 0 ° Angle.
High-temperature flue gas in flue gas passageway 112 along flue gas passageway 112 bearing of trend flow, flue gas passageway The shape of 112 determines the flow direction of high-temperature flue gas, and the shape in flue gas passageway 112 can be configured as required; Such as, described flue gas passageway 112 the most linearly type is arranged, undaform is arranged or broken line Type is arranged.Can comprehensively the resistance in flue gas passageway 112 and heat transfer effect consider, adjust passage shape and with Spacing between adjacent two protrusions 111 in surface of side;As resistance is relatively big, then flue gas passageway can be set 112 is linear type, strengthens spacing between adjacent two protrusions 111 simultaneously;As heat exchange efficiency requires higher, Then reduce spacing between adjacent two protrusions 111, flue gas passageway 112 is set for undaform or broken line type; Simultaneously can also be by the airintake direction (as the dotted line arrows) in regulation flue gas passageway 112 with high-temperature flue gas Between angle, adjust the resistance that flows in flue gas passageway 112 of high-temperature flue gas, such as, high-temperature flue gas Airintake direction the biggest with the angle of the bearing of trend in flue gas passageway 112, then resistance is the biggest;Its cathetus When type is arranged, easily prepare, in undaform or time broken line type arranges, high-temperature flue gas can be increased at flue gas Total kilometres in passageway 112, thus increase heat-exchange time, improve heat transfer effect;Refer to Fig. 6 and Fig. 7, In the present embodiment, it is considered to the complexity of preparation, this flue gas passageway 112 is in their extension direction in directly Line style is arranged.
Owing to heat exchanging piece 100 of the present utility model is amplexiformed with heat exchanger tube 200, in order to more firm when both install Gu and steadily, it is preferable that described protrusion 111 be provided with in order to described heat exchanger tube 200 amplexiform first Mounting plane (not shown), when heat exchanging piece 100 and heat exchanger tube 200 amplexiform, the first mounting plane amplexiforms and changes The outer wall of heat pipe 200, contact area is relatively big, and good heat conduction effect and installation reliability are higher, meanwhile, with Heat exchanger tube 200 joint face of heat exchanging piece 100 assembling should also be burnishing surface, makes heat exchanger tube 200 and heat exchange The connection of part 100 is more convenient, firm.
Heat exchanging piece 100 can only include a piece of heat exchanger fin 110;Multiple heat exchanger fin 110 can also be included, its In, when only including a piece of heat exchanger fin 110, the exhaust gases passes of described heat exchanging piece 100 is by a heat exchanger fin The flue gas passageway 112 of 110 directly constitutes;Refer to Fig. 4 and Fig. 5, in this embodiment, it is preferred that, Described heat exchanging piece 100 includes that multiple heat exchanger fin 110, multiple described heat exchanger fins 110 splice successively, and multiple The flue gas passageway 112 connection formation of described heat exchanger fin 110 is described crosses exhaust gases passes.Multiple heat exchanger fin is set 110, the exhaust gases passes that the flue gas passageway 112 of multiple heat exchanger fins 110 is spliced to form, thus can be each The bearing of trend in the flue gas passageway 112 of individual heat exchanger fin 110 and shape relatively simple on the premise of, by right The bearing of trend in the flue gas passageway 112 of multiple heat exchanger fins 110 and the flexible setting of shape, change splicing shape The bearing of trend of the exhaust gases passes become and shape;Thus adapt to the heat exchange demand of the heat exchanging piece 100 of heat exchanger.
In order to increase high-temperature flue gas stroke in exhaust gases passes, it is preferable that described exhaust gases passes is bending Or bending is arranged.Wherein, bending or the bending of exhaust gases passes are arranged, can be by regulating different heat exchange The bearing of trend in the flue gas passageway 112 of sheet 110 realizes, such as, can arrange adjacent two flue gas passageways The bearing of trend of 112 is in the angle not being 0 °;Bending or the bending of exhaust gases passes are arranged, it is also possible to pass through The shape in the flue gas passageway 112 regulating different heat exchanger fins 110 realizes, such as the flue gas of heat exchanger fin 110 Passageway 112 is in bending or bending is arranged.High-temperature flue gas flows in the exhaust gases passes of bending or bending, high The stroke of temperature flue gas is longer, and the resistance that high-temperature flue gas is subject to simultaneously increases, flows decrease, thus high temperature cigarette Gas is longer with the heat-exchange time of heat exchanger fin 110, heat exchange area is bigger, therefore, it is possible to be effectively improved heat exchange effect Rate.
When multiple heat exchanger fins 110 splice, it is achieved the flue gas passageway 112 of adjacent two heat exchanger fins 110 The mode being connected has multiple, refers to Fig. 4 and Fig. 5, in this embodiment, it is preferred that, multiple described Flue gas passageway in heat exchanger fin 110, on the surface of the not homonymy being positioned at adjacent two described heat exchanger fins 110 112 docking, to form described exhaust gases passes.High-temperature flue gas can be from the flue gas mistake of previous heat exchanger fin 110 Road 112 enters the flue gas passageway 112 of next heat exchanger fin 110, owing to these two flue gas passageways 112 are positioned at The not homonymy of heat exchanging piece 100, say, that high-temperature flue gas can be with the not homonymy being positioned at heat exchanging piece 100 Heat exchanger tube 200 carries out heat exchange, is conducive to using the uniform heat exchange of the heat exchanger of this heat exchanging piece 100.
In another embodiment, in multiple described heat exchanger fins 110, it is positioned at adjacent two described heat exchanger fins 110 The same side surface on flue gas passageway 112 dock, to form described exhaust gases passes.This set side Formula also is able to realize the connection in the flue gas passageway 112 of adjacent two heat exchanger fins 110, and then is high-temperature flue gas Flowing carry out water conservancy diversion.
Refer to Fig. 4 and Fig. 5, in this embodiment, it is preferred that, in multiple described heat exchanger fins 110, one The flue gas passageway 112 of described heat exchanger fin 110 is relative to another the described heat exchange docked with this flue gas passageway 112 The flue gas passageway 112 of sheet 110 is inclined to set.The bearing of trend in the most adjacent two flue gas passageways 112 is not in It is the angle of 0 °, now, this exhaust gases passes can be made to bend in two junctions, flue gas passageway 112, high temperature Flue gas flows in the exhaust gases passes of bending, and its stroke is longer, and the resistance that high-temperature flue gas is subject to simultaneously increases, Flows decrease, thus high-temperature flue gas is longer with the heat-exchange time of heat exchanger fin 110, heat exchange area is bigger, because of This can be effectively improved heat exchange efficiency.
In order to improve heat exchange efficiency, it is preferable that described exhaust gases passes is arranged in bending on airintake direction. Cross conference in view of the angle bent and affect flow resistance, refer to Fig. 4 and Fig. 5, in the present embodiment, The bearing of trend in the flue gas passageway 112 of the close air inlet of this exhaust gases passes and airintake direction are 30 ° of angles, The bearing of trend in adjacent two flue gas passageways 112 is the angle of 120 °, now, will not lead to entering flue gas The high-temperature flue gas in road produces the biggest resistance, has the most again the effect extending the total journey of exhaust gases passes.
Refer to Fig. 4, it is preferable that described heat exchanger tube 200 is flat tube.Heat exchanger tube 200 be flat tube then Heat exchanger tube 200 central area close to calorie source, water temperature and the temperature of central area water temperature at possible tube wall Gap is little, will not cause the adverse consequences such as easy fouling and current noise due to water flow temperature skewness; Without increasing the turbulence structures such as turn, Flos Cannabis sheet and tabulator bars, it is also possible to make in this heat exchanger tube 200 Water heat exchange 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 realities of the present utility model Executing in example, the cross section of described heat exchanger tube 200 is circular, oval or square.The reality of heat exchanger tube 200 Border facilities can be chosen as required, and this is not limited by this utility model.
Owing to described heat exchanger tube 200 of the present utility model amplexiforms with heat exchanger fin 110, when installing for both More firmly with steadily, refer to Fig. 4 and Fig. 8, it is preferable that the outer surface of described heat exchanger tube 200 has use With the second mounting plane 201 amplexiformed with described heat exchanger fin 110.Second mounting plane 201 amplexiforms heat exchanger fin The setting of 110, contact area is relatively big, and good heat conduction effect and installation reliability are higher, meanwhile, with heat exchanger tube The joint face of 200 heat exchanger fins 110 coordinated should also be burnishing surface, makes heat exchanger tube 200 and heat exchanger fin 110 Connection more convenient, firm.
Refer to Fig. 8 and Fig. 9, in order to simplify the installation of heat exchanger tube 200, it is preferable that change described in each row Heat pipe 200 is integrated in a heat exchanger tube circuit board 500, and described heat exchanger tube circuit board 500 includes two phases The layer fishplate bar 510 of laminating mutually, one of them described layer fishplate bar swells for more than 510 time laterally, with at this layer The inner side of fishplate bar 510 is formed with the groove 511 that multiple spacing side by side is arranged, and multiple described grooves 511 are from institute The one end stating layer fishplate bar 510 extends to the other end of described layer fishplate bar 510, multiple described grooves 511 with Another interlaminar board encloses and sets shape described heat exchanger tube 200 in a row.Multiple heat exchanger tubes 200 are integrated into changing of tabular In heat pipe circuit board 500 so that heat exchanger tube circuit board 500 can substitute for original row's heat exchanger tube 200 Be applied in heat exchanger, and simply use several pieces of heat exchanger tube circuit boards 500 just can for provide more Heat exchanger tube 200, when being installed in heat exchanger by this heat exchanger tube circuit board 500, owing to single heat exchanger tube is integrated The volume of plate 500 is relatively big, and therefore location is easily, due to the quantity of heat exchanger tube circuit board 500 in heat exchanger Less, therefore installation procedure is less, operates simpler.Concrete, the protuberance of layer fishplate bar 510 can lead to Overvoltage technique is formed, and can arrange protuberance by a layer fishplate bar 510;Can also be at two layer fishplate bars 510 Corresponding position is respectively formed protuberance, and two corresponding grooves 511 jointly enclose and set formation heat exchanger tube 200;Actual In operation, the facilities of layer fishplate bar 510 is depending on the needs of heat exchanger tube 200.Two layer fishplate bars 510 Be welded and fixed, only there is leakage in each heat exchanger tube circuit board 500 in the welding position, edge of layer fishplate bar 510 Water risk, and existing heat exchanger tube 200 all leaks in welding position risk, thus many relative to using For the heat exchanger tube 200 of root independence, the risk leaked of heat exchanger tube circuit board 500 of the present utility model is bright Aobvious relatively low.
Two layer fishplate bars 510 can be two independent plate bodys, it is also possible to is shape by same plate body doubling Become.Refer to Fig. 9, in this embodiment, for further Simplified flowsheet, it is preferable that said two layer connects Plate 510 is formed by a plate body doubling.Thus, two layer fishplate bars 510 have a limit to be originally just connected to Together, it is not necessary to welding, moulding process is simplified, and risk of leaking reduces the most further.This 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, in order to turn on different heat exchanger tubes 200, make water Stream streams, and enters in different heat exchanger tubes 200, so that current can flow through all heat exchanger tubes 200, it is achieved uniform heat exchange;They realize the mode of the different heat exchanger tube 200 of conducting has a lot, such as, set Put the U-tube connected with heat exchanger tube 200 or many siphunculus;In order to reach more preferable water conservancy diversion effect, and simplify Operation is installed, refers to Fig. 1 to Fig. 3, and Figure 11, in this embodiment, it is preferred that, described the One afflux end cap 300 includes the first end plate 310 being installed on described multiple rows of heat exchanger tube 200 one end, described Two afflux end caps 400 include the second end plate 410 being installed on described multiple rows of heat exchanger tube 200 other end;Described First end plate 310 is provided with to connect the first guiding gutter 311 of the described heat exchanger tube 200 of correspondence, described Second end plate 410 is provided with to connect the second guiding gutter 411 of the described heat exchanger tube 200 of correspondence.Pass through Above-mentioned set-up mode, when the first afflux end cap 300 and the second afflux end cap 400 are installed, it is only necessary to will change Heat pipe 200 docks with corresponding guiding gutter, simple in construction and install operation very convenient.
Refer to Fig. 1 to Fig. 3, and Figure 10, it is preferable that described first afflux end cap 300 also includes It is located at the first location-plate 320 being connected inside the first end plate 310 and with the first end plate 310, described first On location-plate 320, corresponding each described heat exchanger tube 200 arranges first positioning convex 321, and described first Positioning convex 321 stretches in the described heat exchanger tube 200 of correspondence, and described first positioning convex 321 is offered There are described first guiding gutter 311 of connection and the first through hole 322 of described heat exchanger tube 200;Described second afflux End cap 400 also includes being located at the second location being connected inside the second end plate 410 and with the second end plate 410 Plate 420, on the second location-plate 420, corresponding each described heat exchanger tube 200 arranges second positioning convex 421, described second positioning convex 421 stretches in the described heat exchanger tube 200 of correspondence, described second convex Rise to offer on 421 and connect the second through hole of described second guiding gutter 411 and described heat exchanger tube 200 (not Diagram).The two ends of heat exchanger tube 200 are positioned respectively by the first location-plate 320 and the second location-plate 420, And be connected with heat exchanger tube 200 by the first positioning convex 321 and the second positioning convex 421, the first through hole 322 connect described first guiding gutter 311 and described heat exchanger tube 200, and the second through hole connects described second water conservancy diversion Groove 411 and described heat exchanger tube 200, it is achieved afflux and the effect streamed.In the present embodiment, heat exchanger tube 200 weld with the heat exchanger fin 110 of heat exchanging piece 100, and the first location-plate 320 welds with the first end plate 310, Second location-plate 420 welds with the second end plate 410, the first positioning convex 321 and the one of heat exchanger tube 200 Port welds, and the second positioning convex 421 welds with the another port of heat exchanger tube 200, good seal performance.
This heat exchanger can arrange independent housing so that the outward appearance of heat exchanger is more attractive, but in order to avoid Heat exchanger shell surface temperature is higher, easy variable color, has the problem burning risk, refers to Fig. 1, In the present embodiment, it is preferable that be located at heat exchanger tube 200 described in outermost two rows and constitute described heat exchanger Two outer surfaces;Be located at described in outermost two rows heat exchanger tube 200 and described first afflux end cap 300, the Two afflux end caps 400 jointly enclose to set and form the framework with two openings, an opening structure of described framework Becoming described smoke inlet 101, another opening of described framework constitutes described exhanst gas outlet.Due to heat exchanger tube There are current to pass through in 200, radiations heat energy can be absorbed, thus as heat exchanger tube described in two rows of outer surface The surface temperature of 200 is relatively low, reduces heat exchanger shell and burn risk while saving the energy;In order to auxiliary Help the original paper such as inlet flange installing heat exchanger, can be by the number of heat exchanger tube 200 described in outermost two rows Amount is more than the quantity of the described heat exchanger tube 200 of inner side, so that heat exchanger tube 200 described in outermost two rows A few row's heat exchanger tubes 200 higher than inner side;The outer surface of the most outermost two described heat exchanger tubes 200 without Mounting plane is set, it can be provided the rounded shapes such as circular arc, it is to avoid stress at this is concentrated, reduce by In the risk bearing pressure and deform.
Referring to Fig. 1 to Fig. 3, further, described heat exchanger also includes assisting flue gas to enter institute State the inlet flange 600 of heat exchanger;Described inlet flange 600 is installed at described smoke inlet 101.Logical Crossing and arrange inlet flange 600 and be connected with the burner of water heater, auxiliary flue gas enters the flue gas of heat exchanger Passage, it is to avoid flue gas leaks.
Referring to Fig. 1 and Fig. 3, further, described heat exchanger also includes collecting burning waste gas Exhaust fume collecting hood 700;Described exhaust fume collecting hood 700 is installed on described smoke outlet.Exhaust fume collecting hood 700 integrally molded The exhanst gas outlet of heat exchanger, collects burning waste gas, it is possible to reduce collect the operation of waste gas, promotes work effect Rate, and the sealability of heat exchanger can be promoted, reduce leakage cigarette risk.
This utility model also proposes a kind of water heater, and this water heater includes burner and heat exchanger, this heat exchange The concrete structure of device is with reference to above-described embodiment, owing to this water heater have employed the whole of above-mentioned all embodiments Technical scheme, the most at least has all beneficial effects that the technical scheme of above-described embodiment is brought, This repeats the most one by one.Wherein, the flue gas that described burner combustion produces passes through in described exhaust gases passes, Cold water and flue gas carry out heat exchange in heat exchanger.Water heater of the present utility model is fully pre-mixing gas combustion hot water Device, 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 is changed The lower end of hot device, burner is located at the top of heat exchanger, and heat exchanger tube 200 used and heat exchanging piece 100 (are changed Backing 110) quantity is enough, heat transfer effect be equivalent to common type main heat exchanger add condensate and heat exchanger it With, it is not necessary to add any supernumerary structure, i.e. can reach higher heat exchange efficiency.Hot water of the present utility model Device can also is that atmospheric combustion formula gas heater, reduces the heat exchanger tube 200 used by heat exchanger and heat exchanging piece 100 (heat exchanger fin 110) quantity uses as the main heat exchanger of water heater.
The foregoing is only preferred embodiment of the present utility model, not thereby limit of the present utility model specially Profit scope, every under inventive concept of the present utility model, in utilizing this utility model description and accompanying drawing The equivalent structure transformation of Rong Suozuo, or directly/be indirectly used in other relevant technical fields and be included in this In the scope of patent protection of utility model.

Claims (19)

1. a heat exchanger, has smoke inlet and exhanst gas outlet, it is characterised in that described 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;
Assemblage gap, the relative both sides pair of described assemblage gap are formed between the described heat exchanger tube of adjacent row Answering smoke inlet and the exhanst gas outlet of described heat exchanger, described heat exchanging piece is located in described assemblage gap, and Amplexiform two row's heat exchanger tubes adjacent in described heat exchanger to arrange;
Described heat exchanging piece includes heat exchanger fin;Described heat exchanger fin is bent to form undaform back and forth at its thickness direction, It is respectively formed on spaced protrusion with the tow sides at described heat exchanger fin;It is positioned at described heat exchanger fin It is formed with flue gas passageway, described flue gas passageway between adjacent two described protrusions on the surface of the same side Constitute the exhaust gases passes of described heat exchanging piece;The exhaust gases passes of described heat exchanging piece connects described smoke inlet and cigarette Gas outlet is arranged;
The two end cap of described first afflux end cap and the corresponding and described multiple rows of heat exchanger tube of the second afflux end cap sets, And by described heat exchanger tube connection corresponding in described multiple rows of heat exchanger tube.
2. heat exchanger as claimed in claim 1, it is characterised in that described flue gas passageway is in its extension side The most linearly type is arranged, undaform arranges or broken line type is arranged.
3. heat exchanger as claimed in claim 1, it is characterised in that described protrusion be provided with in order to institute State the first mounting plane that heat exchanger tube amplexiforms.
4. heat exchanger as claimed in claim 1, it is characterised in that described heat exchanging piece includes multiple described Heat exchanger fin, multiple described heat exchanger fins splice successively, and the flue gas passageway connection of multiple described heat exchanger fin is formed Described exhaust gases passes.
5. heat exchanger as claimed in claim 4, it is characterised in that described exhaust gases passes is in bending or curved Folding is arranged.
6. heat exchanger as claimed in claim 4, it is characterised in that in multiple described heat exchanger fins, be positioned at Flue gas passageway docking on the surface of the not homonymy of adjacent two described heat exchanger fins, logical to form described flue gas Road.
7. heat exchanger as claimed in claim 6, it is characterised in that in multiple described heat exchanger fins, an institute State the flue gas passageway relative to another the described heat exchanger fin docked with this flue gas passageway, the flue gas passageway of heat exchanger fin It is inclined to set.
8. heat exchanger as claimed in claim 1, it is characterised in that described exhaust gases passes is at airintake direction On in bending arrange.
9. heat exchanger as claimed in claim 1, it is characterised in that described heat exchanger tube is flat tube.
10. heat exchanger as claimed in claim 1, it is characterised in that the cross section of described heat exchanger tube is Circular, oval or square.
11. heat exchangers as claimed in claim 1, it is characterised in that the appearance mask of described heat exchanger tube There is the second mounting plane in order to amplexiform with described heat exchanger fin.
12. heat exchangers 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, described heat exchanger tube circuit board includes two layer fishplate bars bonded to each other, at least Wherein described in one, layer fishplate bar swells the most laterally, with the inner side at this layer of fishplate bar be formed multiple side by side between Every the groove arranged, multiple described grooves extend to another of described layer fishplate bar from one end of described layer fishplate bar End, multiple described grooves and another interlaminar board enclose and set shape described heat exchanger tube in a row.
13. heat exchangers as claimed in claim 12, it is characterised in that said two layer fishplate bar is by a plate Body doubling and formed.
14. heat exchangers as claimed in claim 1, it is characterised in that described first afflux end cap includes Being installed on first end plate of described multiple rows of heat exchanger tube one end, described second afflux end cap includes being installed on described Second end plate of multiple rows of heat exchanger tube other end;Described first end plate is provided with to connect described in correspondence and changes First guiding gutter of heat pipe, described second end plate is provided with to connect the second of the described heat exchanger tube of correspondence Guiding gutter.
15. heat exchangers as claimed in claim 14, it is characterised in that described first afflux end cap also wraps Include and be located at the first location-plate being connected inside the first end plate and with the first end plate, on described first location-plate Corresponding each described heat exchanger tube arranges first positioning convex, and described first positioning convex stretches into correspondence In described heat exchanger tube, described first positioning convex offers described first guiding gutter of connection and described heat exchange First through hole of pipe;
Described second afflux end cap also includes being located at second be connected inside the second end plate and with the second end plate Location-plate, on described second location-plate, corresponding each described heat exchanger tube arranges second positioning convex, institute State in the described heat exchanger tube that the second positioning convex stretches into correspondence, described second positioning convex offers connection Described second guiding gutter and the second through hole of described heat exchanger tube.
16. heat exchangers as claimed in claim 14, it is characterised in that be located at described in outermost two rows Heat exchanger tube constitutes two outer surfaces of described heat exchanger;It is located at heat exchanger tube described in outermost two rows with described First afflux end cap, the second afflux end cap jointly enclose to set and form the framework with two openings, described framework Opening constitute described smoke inlet, another opening of described framework constitutes described exhanst gas outlet.
17. heat exchangers as claimed in claim 1, it is characterised in that also include assisting flue gas to enter Enter the inlet flange of described heat exchanger;Described inlet flange is installed at described smoke inlet.
18. heat exchangers as claimed in claim 1, it is characterised in that also include collecting burning useless The exhaust fume collecting hood of gas;Described exhaust fume collecting hood is installed on described smoke outlet.
19. 1 kinds of water heaters, it is characterised in that include burner and as arbitrary in claim 1 to 18 Heat exchanger described in Xiang, the flue gas that described burner combustion produces passes through in described exhaust gases passes.
CN201620031776.4U 2016-01-11 2016-01-11 Heat exchanger and water heater Active CN205537227U (en)

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PCT/CN2016/113768 WO2017121256A1 (en) 2016-01-11 2016-12-30 Heat exchanger and water heater

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105486125A (en) * 2016-01-11 2016-04-13 芜湖美的厨卫电器制造有限公司 Heat exchanger and water heater
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105486125A (en) * 2016-01-11 2016-04-13 芜湖美的厨卫电器制造有限公司 Heat exchanger and water heater
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

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