CN202813775U - Forced finned straight tube double circular condensing heat exchanger - Google Patents
Forced finned straight tube double circular condensing heat exchanger Download PDFInfo
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- CN202813775U CN202813775U CN2012204862812U CN201220486281U CN202813775U CN 202813775 U CN202813775 U CN 202813775U CN 2012204862812 U CN2012204862812 U CN 2012204862812U CN 201220486281 U CN201220486281 U CN 201220486281U CN 202813775 U CN202813775 U CN 202813775U
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- straight tube
- fin straight
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- discharging pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
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Abstract
The utility model discloses a forced finned straight tube double circular condensing heat exchanger which comprises a shell body, combustor and a plurality of finned straight tubes, wherein the combustor and the plurality of finned straight tubes are arranged inside the shell body. A water inlet, a water outlet and a smoke outlet are formed in the shell body, the combustor is connected with an air-gas inlet device, and is arranged on the upper portion of the shell body, a group of finned straight tube bundles formed by a plurality of tightly arranged finned straight tubes is arranged on the periphery of the combustor, a group of smoke outlet channels formed by a plurality of tightly arranged finned straight tubes is arranged below the combustor, and the smoke outlet channels discharge smoke through the smoke outlet. The water inlet is communicated with the finned straight tubes forming the smoke outlet channel below the combustor, the finned straight tubes forming the smoke outlet channel below the combustor are communicated with the finned straight tubes on the periphery of the combustor, and the finned straight tubes on the periphery of the combustor are communicated with communicated with the water outlet. Due to the fact that the infolding finned straight tubes are adopted as the primary elements of the forced finned straight tube circular condensing heat exchanger, the heat transfer of the air-gas side is strengthened, and heat transfer efficiency is improved remarkably.
Description
Technical field
The utility model belongs to the Thermal Equipment field, specifically relates to a kind of pressure fin straight tube double-ring condensation Heat supply and heat exchange device.
Background technology
After 20th century Middle East Oil Crisis, be energy savings, just developed the condenser boiler of high thermal efficiency in Europe, its distinguishing feature is that thermal efficiency ratio conventional design boiler improves more than 10%.Because the exhaust gas temperature of boiler is reduced to more than the dew point, a large amount of water vapour condensations and discharge the latent heat of vaporization in the flue gas have obvious energy-saving effect, and the condensing heat exchanger that applies in the condenser boiler develops according to its principle exactly.
1. the Heat supply and heat exchange device of traditional non-condensing boiler is made by carbon steel or cast iron, and the exhaust gas temperature in when design generally all is higher than 150 ℃, does not consider to absorb that water vapor condensation discharges a large amount of sensible heats and latent heat in the flue gas, does not have the condensed water generation.
2. condensing boiler has the characteristics of high-efficient energy-saving environment friendly, is the developing direction of boiler industry and is promoted widely.Condensing boiler is owing to produced a large amount of faintly acid condensed waters, condensing boiler Heat supply and heat exchange device will seriously shorten the life-span of condensing boiler if use the materials such as steel plate commonly used or cast iron to make condensing boiler Heat supply and heat exchange device, so must use stainless steel or cast aluminium to be processed into.At present, adopt stainless steel light pipe or cast aluminium to make more.
3. the technology with cast-aluminum die processing heat exchanger is mature on the whole, but can only make the many Heat supply and heat exchange devices of 500KW.Large-scale cast aluminium piece exists die cost high, and processing technology is complicated, and the problem that product rejection rate is high is so that can't be with the direct machining large Heat supply and heat exchange of cast-aluminum die device.
These two kinds of heat exchangers in normal circumstances, the thermal efficiency can reach about 96% at most.
5. the return water temperature when boiler is higher than 60 ℃, and boiler will not produce condensed water.At this moment the sensible heat of heat exchanger in can only recovered flue gas, the thermal efficiency also only has about 87%.
6. air preheater generally adopts in the large-sized boilers such as power station.In heating boiler, also do not adopt.
7. traditional Heat supply and heat exchange device manufactures and designs the Heat supply and heat exchange device that varies in size according to the different demand of client, and heat exchanger varies in size, and required parts are also different, are unfavorable for industrialized mass production.
The utility model content
Problem in view of above-mentioned prior art exists has proposed the utility model.
Therefore, the technical problems to be solved in the utility model is, how to overcome in the prior art heat exchanger structure design deficiency and cause the inadequate problem of flow of flue gas path heat exchange, how to improve the heat-transfer area structure and increase the purpose that heat exchange area improves heat exchange efficiency to reach, simultaneously so that boiler can be done littlely under Same Efficieney, take less volume, and how to be attached to cleverly air preheater in the heat exchanger, thereby carry out secondary heat exchange, further reduce exhaust gas temperature when improving the initial temperature that air enters.
For solving the problems of the technologies described above, the utility model provides following technical scheme: a kind of pressure fin straight tube double-ring condensation Heat supply and heat exchange device, comprise housing, be arranged at burner and a plurality of fin straight tube in the housing, be provided with water inlet on the housing, delivery port and exhaust opening, burner is connected with air and gas inlet device, it is characterized in that: burner is positioned at housing top, one group of fin straight tube bundle that is comprised of a plurality of fin straight tube close-packed arrays is installed around the burner, the burner below is provided with one group of smoke discharging pipe that is comprised of a plurality of fin straight tube close-packed arrays, and smoke discharging pipe is emptying by exhaust opening; Water inlet is communicated with the fin straight tube that the burner below consists of smoke discharging pipe, and the fin straight tube that the burner below consists of smoke discharging pipe is communicated with burner fin straight tube on every side, and the fin straight tube around the burner is communicated with delivery port.
A kind of preferred version as pressure fin straight tube double-ring condensation Heat supply and heat exchange device described in the utility model, wherein: one group of fin straight tube bundle that is comprised of a plurality of fin straight tube close-packed arrays of coaxial installation around the described burner, the burner below is provided with one group of cylindrical shape smoke discharging pipe that is comprised of a plurality of fin straight tube close-packed arrays.
A kind of preferred version as pressure fin straight tube double-ring condensation Heat supply and heat exchange device described in the utility model, wherein: the adjacent fin of described compact arranged fin straight tube is carried out bending or extrusion process, the finned tube both sides are along the axial infolding at an angle of straight tube, and formed two the infolding faces of finned tube are parallel or present certain angle.
As a kind of preferred version of pressure fin straight tube double-ring condensation Heat supply and heat exchange device described in the utility model, wherein: the arranged outside of the fin straight tube bundle that is comprised of a plurality of fin straight tube close-packed arrays around the described burner has outer deflector.
A kind of preferred version as pressure fin straight tube double-ring condensation Heat supply and heat exchange device described in the utility model, wherein: described outer deflector is that the cross section is with " V " type strip deflector of radian, fit with the fin straight tube outside, the adjacent of compact arranged fin straight tube and the flow-guiding mouth of outer deflector stagger mutually.
As a kind of preferred version of pressure fin straight tube double-ring condensation Heat supply and heat exchange device described in the utility model, wherein: described burner below is provided with interior deflector by the inboard of the cylindric smoke discharging pipe that a plurality of fin straight tube close-packed arrays form; Described interior deflector is tubular, and interior deflector arranges with inboard applying of the fin straight tube that forms smoke discharging pipe, and the adjacent of compact arranged fin straight tube and the flow-guiding mouth of interior deflector stagger mutually.
As a kind of preferred version of pressure fin straight tube double-ring condensation Heat supply and heat exchange device described in the utility model, wherein: be provided with air preheater in the described smoke discharging pipe.
As a kind of preferred version of pressure fin straight tube double-ring condensation Heat supply and heat exchange device described in the utility model, wherein: described air preheater passes smoke discharging pipe and is connected with air inlet device; Described exhaust opening is the tubing type exhaust opening, and its upper end is exhaust opening, and its lower end is condensation-water drain, and the middle part is the air intlet of air preheater.
As a kind of preferred version of pressure fin straight tube double-ring condensation Heat supply and heat exchange device described in the utility model, wherein: the air preheater in the described smoke discharging pipe is one or more cuboid or cylindrical air intake duct.
A kind of preferred version as pressure fin straight tube double-ring condensation Heat supply and heat exchange device described in the utility model, wherein: burner is positioned at lower housing portion, one group of fin straight tube bundle that is comprised of a plurality of fin straight tube close-packed arrays is installed around the burner, the burner top is provided with one group of smoke discharging pipe that is comprised of a plurality of fin straight tube close-packed arrays, and smoke discharging pipe is emptying by exhaust opening; Water inlet is communicated with the fin straight tube that consists of smoke discharging pipe, and the fin straight tube that consists of smoke discharging pipe is communicated with burner fin straight tube on every side, and the fin straight tube around the burner is communicated with delivery port.
Adopt technical scheme described in the utility model, have following useful technique effect:
Integral arrangement of the present utility model can improve heat exchange efficiency.The utility model has adopted burner to be arranged on the top, exhaust opening is arranged on the secondary countercurrent flow arrangement of below, flue gas after the burner combustion flows downward from the heat exchanger top, pass first burner on every side finned tube and outer deflector, then pass finned tube and the interior deflector of smoke discharging pipe, along smoke discharging pipe, adverse current is emptying to exhaust opening.And water inlet is arranged on exhaust opening place, bottom, and delivery port is arranged on heat exchanger top, and water is by water inlet, finned tube, and the heat exchanger two ends connect the up and down cavity of finned-tube bundle, for example can be front jellyfish pipe and rear jellyfish pipe, finally discharge by delivery port.Take the heat exchange mode of adverse current, the outlet temperature of water just more likely is higher than exhaust gas temperature, can greatly improve heat exchange efficiency, increases the heat exchange amount.
Finned tube after the utility model secondary operations can significantly improve heat exchange efficiency.The utility model adopts finned tube as the primary element of forcing fin straight tube double-ring condensation Heat supply and heat exchange device, on the surface of heat exchanger tube by with fin, thereby the external surface area that increases heat exchanger tube reaches the purpose that improves heat exchange efficiency, strengthened the heat exchange of fume side, whole heat exchanger volume is further reduced.By fin is carried out secondary operations, for example bending, cutting or extruding are so that spacing obviously reduces between the light pipe of finned tube, thereby so that smoke gas flow and light pipe carry out more fully contact scour, strengthen heat exchange, improve the turbulent fluctuation degree, increase convection transfer rate, effectively reach and strengthen the purpose of conducting heat, improved heat exchange efficiency, whole heat exchanger volume has further been reduced, simultaneously, distance between control flame and the heat exchanger surface reduces flame temperature, and then makes NO
XReducing exhaust emission under 30PPM.
The utility model is provided with outer, interior deflector, is conducive to reduce " dead band " of smoke gas flow, further improves the shell-side fluid velocity flow profile.In the utility model, by increasing some outer deflectors between the circumference finned-tube bundle outside and shell and the deflector that is positioned at smoke discharging pipe finned-tube bundle inboard, so that the flow path of flue gas is close to fin and light pipe, can further strengthen heat exchange, obviously improve the shell-side fluid velocity flow profile, reduce " dead band " or " short circuit " of smoke gas flow.
The utility model further is provided with air preheater, can raise the efficiency.In the utility model, air preheater is dexterously in conjunction with being arranged in the discharge duct of heat exchanger, when winter outdoor air reach below-20 ℃, utilize fume afterheat to improve the air themperature that enters burner hearth, further reduce exhaust gas temperature, so that efficient reaches more than 98%, have positive effect.
Description of drawings
Fig. 1 is that schematic diagram is looked on the right side of a described pressure fin of embodiment of the utility model straight tube double-ring condensation Heat supply and heat exchange device.
Fig. 2 is the main body schematic diagram of a described pressure fin of embodiment of the utility model straight tube double-ring condensation Heat supply and heat exchange device.
Fig. 3 is the structure cross-sectional schematic of forcing fin straight tube double-ring condensation Heat supply and heat exchange device among embodiment of the utility model.
Fig. 4 is the operation principle schematic diagram of forcing fin straight tube double-ring condensation Heat supply and heat exchange device among embodiment of the utility model.
Fig. 5 is that schematic diagram is looked on the operation principle right side with the pressure fin straight tube double-ring condensation Heat supply and heat exchange device of three air preheaters among embodiment of the utility model.
Fig. 6 is that the utility model A is to enlarged drawing.
Fig. 7 is that the utility model B is to enlarged drawing.
Fig. 8 is the structure cross-sectional schematic of the pressure fin straight tube double-ring condensation Heat supply and heat exchange device of another embodiment burner of the utility model when being positioned at the bottom.
Fig. 9 is the operation principle schematic diagram of the pressure fin straight tube double-ring condensation Heat supply and heat exchange device of another embodiment burner of the utility model when being positioned at the bottom.
Figure 10 is that the master of the utility model fin straight tube after treatment looks schematic diagram.
Figure 11 is that schematic diagram is looked on the left side of the utility model fin straight tube after treatment.
Figure 12 is with the right TV structure schematic diagram of the pressure fin straight tube double-ring condensation Heat supply and heat exchange device of a cylindrical air preheater among another embodiment of the utility model.
The specific embodiment
The below describes embodiment of the present utility model in detail, and the example of described embodiment is shown in the drawings, and it only is used for explanation the utility model, and can not be interpreted as restriction of the present utility model.
Such as Fig. 1-shown in Figure 12, comprising: front jellyfish pipe 1, front apron 2, housing 3, fin straight tube bundle 4, outer deflector 5, burner 6, interior deflector 7, rear jellyfish pipe 8, backboard 9, air preheater 10, delivery port 11, water inlet 12, exhaust opening 13, air intlet 14, condensation-water drain 15, smoke discharging pipe 16, consist of the fin straight tube 17 of smoke discharging pipe.
The pressure fin straight tube double-ring condensation Heat supply and heat exchange device of an embodiment of the utility model is described with reference to figure 1～Fig. 3.Such as Fig. 1, Fig. 2 and shown in Figure 3, a kind of pressure fin straight tube double-ring condensation Heat supply and heat exchange device, the fin straight tube 17 that comprises housing 3, burner 6 and fin straight tube bundle 4 and formation smoke discharging pipe, described housing 3 side shells are welded into oval side shell by two " U " shape plates respectively, described oval side shell two ends installed inside has front apron 2 and backboard 9, and oval side shell and front apron 2 and backboard 9 are welded and fixed.Front apron 2 and backboard 9 all adopt insulation material to make.
As shown in the figure, the outside of front apron 2 is equipped with front jellyfish pipe 1; The outside of backboard 9 is equipped with rear jellyfish pipe 8, has delivery port 11 and water inlet 12 on the heat exchanger shell 3.
Described fin straight tube bundle 4 is combined by many fin straight tubes, can referring to Fig. 5, preferably, surround cylindrical.Fin straight tube bundle 4 and fin straight tube 17 two ends that consist of smoke discharging pipe all are fixed between front apron 2 and the backboard 9, and the same jellyfish pipe 1 and rear jellyfish pipe 8 are welded and fixed.The inside that consists of the fin straight tube 17 of smoke discharging pipe consists of smoke discharging pipe 16.Fin straight tube 17, front jellyfish pipe 1, fin straight tube bundle 4, rear jellyfish pipe 8, the delivery port 11 of water inlet 12, formation smoke discharging pipe, the loop of formation water heating process.
Fin straight tube bundle 4 is positioned at the top of the fin straight tube 17 that consists of smoke discharging pipe.Preferably, the fin straight tube 17 of fin straight tube bundle 4 and formation smoke discharging pipe parallels.
Described burner 6 is coaxially installed in the fin straight tube bundle 4, and burner 6 is connected with air and gas inlet device.
This pressure fin straight tube double-ring condensation Heat supply and heat exchange device can further include air preheater 10, its coaxial being installed in the smoke discharging pipe 16.
Fig. 4 is that the utility model is forced fin straight tube double-ring condensation Heat supply and heat exchange device heat exchange schematic diagram.As shown in Figure 4, the utility model adopts the secondary heat exchange mode, adopts the counter-flow arrangement heat exchange, and high-temperature flue gas is the fin straight tube 17 of process fin straight tube bundle 4, formation smoke discharging pipe from top to bottom; And water (flow) direction is just in time opposite, through consisting of the fin straight tube 17 of smoke discharging pipe, passes through fin straight tube bundle 4 first again.Air preheater 10 is arranged in the smoke discharging pipe 16, can carry out heat exchange with flue gas, and raising enters the air themperature of burner hearth and further reduces simultaneously exhaust gas temperature thus.
Fig. 5～shown in Figure 7, Fig. 5 are that an embodiment Air of the utility model preheater is looked schematic diagram with the operation principle right side of the pressure fin straight tube double-ring condensation Heat supply and heat exchange device of three air intake ducts; Fig. 6 is that its A is to enlarged drawing; And Fig. 7 is that this Embodiment B is to enlarged drawing.In this embodiment, described pressure fin straight tube double-ring condensation Heat supply and heat exchange device, comprise housing 3, be arranged at burner 6 and a plurality of fin straight tubes in the housing 3, be provided with water inlet 12 on the housing 3, delivery port 11 and exhaust opening 13, burner 6 is connected with air and gas inlet device, burner 6 is positioned at housing 3 tops, one group of fin straight tube bundle 4 that is comprised of a plurality of fin straight tube close-packed arrays is installed around the burner 6, burner 6 belows are provided with one group of smoke discharging pipe 16 that is comprised of a plurality of fin straight tube close-packed arrays, and smoke discharging pipe 16 is emptying by exhaust opening 13; And water inlet 12 is communicated with the fin straight tube 17 that burner 6 belows consist of smoke discharging pipe, and the fin straight tube 17 that burner 6 belows consist of smoke discharging pipe is communicated with burner 6 fin straight tube on every side, and the fin straight tube around the burner 6 is communicated with delivery port 11.
In this embodiment, one group of fin straight tube bundle 4 that is formed by a plurality of fin straight tube close-packed arrays of coaxial installation around the described burner 6, burner 6 belows are provided with one group of cylindrical shape smoke discharging pipe 16 that is comprised of a plurality of fin straight tube close-packed arrays.And air preheater 10 is one or more cuboid or cylindrical air intake duct, and it is arranged in the cylindrical shape smoke discharging pipe 16.
The utility model adopts the counter-flow arrangement high-temperature flue gas to pass through from the bottom to top one-level sensible heat transfer and B-grade condensation heat exchange; And water (flow) direction is just in time opposite, has passed through first the circumference uniform distribution fin straight tube bundle 4 of B-grade condensation heat exchange, consists of the fin straight tube 17 of smoke discharging pipe through the one-level sensible heat transfer again.Backwater is after the B-grade condensation heat exchange absorbs fume afterheat, enter again and absorb the high-temperature flue gas sensible heat in the one-level sensible heat transfer, air preheater 10 passes the B-grade condensation heat exchanger and flue gas carries out three grades of heat exchange, improves the air themperature that enters burner hearth and further reduces exhaust gas temperature.
Position signal such as fin straight tube bundle 4, smoke discharging pipe 16 and outer deflector 5, interior deflector 7 among the figure, by outer deflector 5 and interior deflector 7 are set, make the flow path of the flue gas behind the water conservancy diversion around finned tube, obviously improving shell fluid distributes, reduce smoke gas flow " dead band " or short circuit, force flue gas to contact more fully and heat exchange with water pipe.
Such as Fig. 8, shown in Figure 9, Fig. 8 is the structure cross-sectional schematic of the pressure fin straight tube double-ring condensation Heat supply and heat exchange device of another embodiment burner of the utility model when being positioned at the bottom; Fig. 9 is the operation principle schematic diagram of the pressure fin straight tube double-ring condensation Heat supply and heat exchange device of another embodiment burner of the utility model when being positioned at the bottom.In this embodiment, burner 6 is positioned at housing 3 bottoms, one group of fin straight tube bundle 4 that is comprised of a plurality of fin straight tube close-packed arrays is installed around the burner 6, burner 6 tops are provided with one group of smoke discharging pipe 16 that is comprised of a plurality of fin straight tube close-packed arrays, and smoke discharging pipe 16 is emptying by exhaust opening 13; Water inlet 12 is communicated with the fin straight tube 17 that consists of smoke discharging pipe, and the fin straight tube 17 that consists of smoke discharging pipe is communicated with burner 6 fin straight tube on every side, and the fin straight tube around the burner 6 is communicated with delivery port 11.
At this moment, high-temperature flue gas then passes through the fin straight tube 17 of fin straight tube bundle 4, formation smoke discharging pipe from the bottom to top.Air preheater 10 is arranged in the smoke discharging pipe 16, can carry out heat exchange with flue gas.
Such as Figure 10, shown in Figure 11, Figure 10 is that the master of the utility model fin straight tube after treatment looks schematic diagram; Figure 11 is that schematic diagram is looked on the left side of the utility model fin straight tube after treatment.The utility model carries out bending or extrusion process with the adjacent fin of described compact arranged fin straight tube, so that fin is along the axial infolding at an angle of straight tube.So, a plurality of treated fin straight tube fit tightly form cylindric.
The utility model is fin with respect to finned tube axis direction infolding with the fin secondary operations of fin straight tube.Certainly, according to the situation of concrete actual production, also can take cutting or the mode such as extruding, reduce the distance between the light pipe of adjacent fins straight tube.Pass through secondary operations, so that fin straight tube both sides are along the axial infolding at an angle of straight tube, formed two the infolding faces of finned tube are parallel or present certain angle, are can be arranged in circumferential shapes or other shapes for the ease of a plurality of finned tubes at an angle.
Figure 12 is with the right TV structure schematic diagram of the pressure fin straight tube double-ring condensation Heat supply and heat exchange device of a cylindrical air preheater among another embodiment of the utility model.In this embodiment, be provided with a columniform air preheater 10 in the smoke discharging pipe.
To sum up, how the utility model improves the heat-transfer area structure from research, increases heat exchange area to improve heat exchange efficiency.It adopts infolding fin straight tube as the primary element of forcing fin straight tube condensation Heat supply and heat exchange device, has strengthened the heat exchange of fume side, simultaneously whole heat exchanger volume is further reduced.
By the navigation designing of outer deflector 5 and interior deflector 7, so that the flow path of flue gas is close to finned tube, further strengthen heat exchange, obviously improve the shell-side fluid velocity flow profile, reduce " dead band " or " short circuit " phenomenon of smoke gas flow.And utility model is combined in air preheater 10 in the heat exchanger dexterously, show by experiment, when winter outdoor air reach below-20 ℃, utilize fume afterheat to improve to enter the air themperature of burner hearth further to reduce simultaneously exhaust gas temperature, so that efficient reaches more than 98%.
Simultaneously, the utility model is easy to mass production to the key components and parts modularized design, reduces the production difficulty of heat exchanger, saves production cost.
It should be noted that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. force fin straight tube double-ring condensation Heat supply and heat exchange device for one kind, comprise housing (3), be arranged at burner (6) and a plurality of fin straight tubes in the housing (3), be provided with water inlet (12), delivery port (11) and exhaust opening (13) on the housing (3), burner (6) is connected with air and gas inlet device, it is characterized in that:
Burner (6) is positioned at housing (3) top, burner (6) is equipped with one group of fin straight tube bundle (4) that is comprised of a plurality of fin straight tube close-packed arrays on every side, burner (6) below is provided with one group of smoke discharging pipe (16) that is comprised of a plurality of fin straight tube close-packed arrays, and smoke discharging pipe (16) is emptying by exhaust opening (13);
Water inlet (12) is communicated with the fin straight tube (17) that burner (6) below consists of smoke discharging pipe, the fin straight tube (17) that burner (6) below consists of smoke discharging pipe is communicated with burner (6) fin straight tube on every side, and burner (6) fin straight tube on every side is communicated with delivery port (11).
2. pressure fin straight tube double-ring condensation Heat supply and heat exchange device according to claim 1, it is characterized in that: one group of fin straight tube bundle (4) that is comprised of a plurality of fin straight tube close-packed arrays of described burner (6) coaxial installation on every side, burner (6) below is provided with one group of cylindrical shape smoke discharging pipe (16) that is comprised of a plurality of fin straight tube close-packed arrays.
3. pressure fin straight tube double-ring condensation Heat supply and heat exchange device according to claim 1, it is characterized in that: the adjacent fin of described compact arranged fin straight tube is carried out bending or extrusion process, the finned tube both sides are along the axial infolding at an angle of straight tube, and formed two the infolding faces of finned tube are parallel or present certain angle.
4. the described pressure fin of arbitrary claim straight tube double-ring condensation Heat supply and heat exchange device in 3 according to claim 1 is characterized in that: the arranged outside of the fin straight tube bundle (4) that described burner (6) is comprised of a plurality of fin straight tube close-packed arrays on every side has outer deflector (5).
5. pressure fin straight tube double-ring condensation Heat supply and heat exchange device according to claim 4, it is characterized in that: described outer deflector (5) is " V " type strip deflector of cross section with radian, fit with the fin straight tube outside, the flow-guiding mouth of the adjacent of compact arranged fin straight tube and outer deflector (5) staggers mutually.
6. the described pressure fin of arbitrary claim straight tube double-ring condensation Heat supply and heat exchange device in 3 according to claim 1, it is characterized in that: described burner (6) below is provided with interior deflector (7) by the inboard of the cylindric smoke discharging pipe (16) that a plurality of fin straight tube close-packed arrays form; Described interior deflector (7) is tubular, and interior deflector (7) arranges with inboard applying of the fin straight tube that forms smoke discharging pipe (16), and the flow-guiding mouth of the adjacent of compact arranged fin straight tube and interior deflector (7) staggers mutually.
7. the described pressure fin of arbitrary claim straight tube double-ring condensation Heat supply and heat exchange device in 3 according to claim 1 is characterized in that: be provided with air preheater (10) in the described smoke discharging pipe (16).
8. pressure fin straight tube double-ring condensation Heat supply and heat exchange device according to claim 7, it is characterized in that: described air preheater (10) passes smoke discharging pipe (16) and is connected with air inlet device; Described exhaust opening (13) is tubing type exhaust opening (13), and its upper end is exhaust opening (13), and its lower end is condensation-water drain (15), and the middle part is the air intlet (14) of air preheater (10).
9. pressure fin straight tube double-ring condensation Heat supply and heat exchange device according to claim 7 is characterized in that: the air preheater (10) in the described smoke discharging pipe (16) is one or more cuboid or cylindrical air intake duct.
10. pressure fin straight tube double-ring condensation Heat supply and heat exchange device according to claim 1, it is characterized in that: burner (6) is positioned at housing (3) bottom, burner (6) is equipped with one group of fin straight tube bundle (4) that is comprised of a plurality of fin straight tube close-packed arrays on every side, burner (6) top is provided with one group of smoke discharging pipe (16) that is comprised of a plurality of fin straight tube close-packed arrays, and smoke discharging pipe (16) is emptying by exhaust opening (13); Water inlet (12) is communicated with the fin straight tube (17) that consists of smoke discharging pipe, and the fin straight tube (17) that consists of smoke discharging pipe is communicated with burner (6) fin straight tube on every side, and burner (6) fin straight tube on every side is communicated with delivery port (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204862812U CN202813775U (en) | 2012-09-21 | 2012-09-21 | Forced finned straight tube double circular condensing heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204862812U CN202813775U (en) | 2012-09-21 | 2012-09-21 | Forced finned straight tube double circular condensing heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202813775U true CN202813775U (en) | 2013-03-20 |
Family
ID=47872638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204862812U Withdrawn - After Issue CN202813775U (en) | 2012-09-21 | 2012-09-21 | Forced finned straight tube double circular condensing heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202813775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901222A (en) * | 2012-09-21 | 2013-01-30 | 苏州成强换热器有限公司 | Forced finned straight pipe dual-ring-shaped condensation heat-supply heat exchanger |
-
2012
- 2012-09-21 CN CN2012204862812U patent/CN202813775U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901222A (en) * | 2012-09-21 | 2013-01-30 | 苏州成强换热器有限公司 | Forced finned straight pipe dual-ring-shaped condensation heat-supply heat exchanger |
| WO2014044204A1 (en) * | 2012-09-21 | 2014-03-27 | 苏州成强换热器有限公司 | Heat supply and exchange device with finned straight tube forced to be double ring-shaped |
| CN102901222B (en) * | 2012-09-21 | 2016-04-20 | 苏州成强能源科技有限公司 | A kind of pressure fin straight tube double-ring condensation Heat supply and heat exchange device |
| US9470433B2 (en) | 2012-09-21 | 2016-10-18 | Suzhou CQ Heat Exchanger Co., Ltd. | Dual-ring and straight fin tube condensing |
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