CN105973053A - Longitudinal fin finned tube and heating furnace with finned tube - Google Patents
Longitudinal fin finned tube and heating furnace with finned tube Download PDFInfo
- Publication number
- CN105973053A CN105973053A CN201610467828.7A CN201610467828A CN105973053A CN 105973053 A CN105973053 A CN 105973053A CN 201610467828 A CN201610467828 A CN 201610467828A CN 105973053 A CN105973053 A CN 105973053A
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- Prior art keywords
- fin
- finned tube
- tube
- vertical
- heat exchange
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/04—Assemblies of fins having different features, e.g. with different fin densities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/08—Fins with openings, e.g. louvers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of heat exchange equipment in industries such as petrochemical engineering, electrical energy, steel smelting and air conditioners, in particular to a longitudinal fin finned tube. The longitudinal fin finned tube comprises a vertically-arranged base tube body and fins arranged on the outer wall of the base tube body. Main heat exchange faces of the fins are vertical, and the multiple fins are vertically arranged and staggered in the vertical direction. Compared with the prior art, the innovative fin structure is adopted, meanwhile, the conventional thought in the field is broken through, and the set manner that the fins of the finned tube are originally in a conventional shape is abandoned; and after the technical means are applied, fluid turbulent flow can be generated, the heat exchange coefficient is increased, and accordingly, the heat exchange effect is kept stable and effective for a long term. The invention further provides a heating furnace.
Description
Technical field
The application relates to the technical field of heat exchange equipment in the industries such as petrochemical industry, electric power energy, smelting iron and steel, air-conditioning, particularly relates to a kind of vertical wing finned tube and has the heating furnace of this finned tube.
Background technology
Finned tube exchanger includes various heating furnace, finned tube preheater, heat collector and air cooler etc., it it is one of widely used heat exchanger, its design and manufacturing process are ripe, and safety is high, are flue gas and the crucial energy-saving equipment of steam heat recycling in heat transmission equipment.From structure type, finned tube can be divided into the big fundamental type of vertical wing finned tube two that oblique wing fin is main spiral winding finned tube and vertical wing fin is master.
The manufacturing process of spiral winding finned tube is simply efficient, so the application of its enhanced heat exchange is relatively early, the most relatively broad, achieves obvious effect.Spiral winding fin of the prior art is typically only used in the occasion of fin water tube placing flat, if using the occasion being disposed vertically up and down at finned tube, originally the fin plane being basically perpendicular to base tube surface has just become the direction close to horizontal plane, this structure is in longtime running, fin is spiral type, easily accumulate dust the inclination of fin radiating surface (another radiating surface tilts down) upward formation dirt, it is difficult to remove, in pipe, form thermal resistance between medium and the outer flue gas of pipe, affect heat exchange efficiency.
Development along with heat-exchanger rig Technology, finned tube is erect installation and is had the advantages such as floor space is few and upstream and downstream equipment connecting tube is short out, medium is smooth, energy loss is low, the occasion used gets more and more, but people are satisfied with and are fruitful, spiral winding finned tube is applied to erect the heat transmission equipment of installation finned tube, medium outside finned tube flows the obstruction of the fin plane being affected by being perpendicular to base tube surface vertically, pressure drop increases, and medium is difficult to go deep into fin bottom portion contact base tube surface.For a long time, the structure of vertical wing finned tube and the improvement of manufacturing process thereof are paid close attention to not, also fails to obtain a kind of finned tube that can be fully solved the problems referred to above.
The fin of vertical wing finned tube is that geometry sheet is block, and two faces that wherein area is maximum are referred to as main heat exchange face, and the face that area is less is referred to as side.When vertical wing finned tube is erect and is installed and used, the fin of existing vertical wing finned tube is vertical continuous print, when fluid flows through vertical continuous print fin, stable laminar flow can be formed outside finned tube, fluid can cause heat exchange insufficient quickly through finned tube and then affect heat transfer effect, therefore, if fin structure is not innovated to prevent the problem of original existence, frequently can lead to heat-exchanger rig and do not reach design effect.
Summary of the invention
The purpose of the application is to avoid above-mentioned weak point of the prior art to provide a kind of fluid turbulence that can produce to improve the vertical wing finned tube of the coefficient of heat transfer；Also provide for the heating furnace of a kind of good effect of heat exchange.
The purpose of the application is achieved through the following technical solutions:
Providing a kind of vertical wing finned tube, including vertically-mounted base tube and the fin being arranged at described base tube outer wall, the main heat exchange face of described fin is vertical, and described fin has polylith, and polylith fin is arranged above and below and in the vertical direction staggers.
Wherein, the upper end of described fin and/or lower end tilt, and the angle of the upper end of described fin and/or lower end and vertical direction is more than 0 degree and less than 45 degree.
Wherein, in the middle of each piece of fin, having polylith fin to be arranged on sustained height, on the cross section of base tube, this polylith fin is rendered as: every piece of fin is vertical bar shape；Two pieces of the most adjacent fins, the central angle of these two pieces of circular arcs between fin and the contact position of base tube is referred to as a, and central angle a < 180 degree, these two pieces of fins are referred to as b toward the crossing formed angle of extended line in base tube direction, then angle b < central angle a.
Wherein, the main heat exchange face of described fin has the cushion hole for eliminating thermal stress.
Wherein, the main heat exchange face of described fin has the breach of dentation or wave-like.
Wherein, the width of described fin is vertically gradually increased or gradually decreases.
Wherein, the cross section of described base tube is circular, oval or oblate.
Wherein, the cross section of described fin is rectangle, triangle, circle, ellipse, oblate or annular.
A kind of heating furnace, described heating furnace has vertical wing finned tube, and described vertical wing finned tube is the vertical wing finned tube according to any one of claim 1 to 8.
The beneficial effect of the application:
The one of the application indulges wing finned tube, compared with prior art, use innovative fin structure, breach this area conventional thought simultaneously, the fin having abandoned finned tube the most all uses the set-up mode of conventional shape, fluid turbulence can be produced after applying these technological means and improve the coefficient of heat transfer, thus keep heat transfer effect the most effective.
A kind of heating furnace of the application, uses above-mentioned vertical wing finned tube, replaces spiral winding finned tube of the prior art so that heat transfer effect gets a promotion, thus keep heat transfer effect the most effective.
Accompanying drawing explanation
Utilize accompanying drawing that the application is described further, but the embodiment in accompanying drawing does not constitute any restriction to the application, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the following drawings.
Fig. 1 is the front view of the first finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 2 is the front view of the second finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 3 is the front view of the third finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 4 is the front view of the 4th kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 5 is the front view of the 5th kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 6 is the top view of the 6th kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 7 is the top view of the 7th kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 8 is the front view of the 8th kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 9 is the front view of the 9th kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Figure 10 is the front view of the tenth kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 1 to Figure 10 includes:
1-fin；101-fin；102-fin；103-fin；111-lower end；112-upper end；2-base tube；201-fin；601-fin；7-fin；701-fin；702-fin；801-fin；901-fin；11-fin.
Detailed description of the invention
With the following Examples the application is further described.
Embodiment 1
One of detailed description of the invention of a kind of vertical wing finned tube of the application, shown in Figure 1, include base tube 2 and several fins 1, wherein, the main heat exchange face system of fin 1 is vertically arranged, i.e. the main heat exchange face of fin 1 and horizontal plane, and several fins 1 are vertically spaced apart around arranging along the outside wall surface of base tube 2, wherein, fin 1 by the way of assembly welding with the outside wall surface compact siro spinning technology of base tube 2.
Concrete, fin 1 in the vertical direction being arranged above and below staggers, ask for an interview Fig. 1, Fig. 1 depicts two row fins 1, count from top to bottom, certain distance is there is between the first row fin 1 and the second row fin 1, the first row fin 1 staggers with the second row fin 1 in the vertical direction as shown in Figure 1, gap location between fin 101 and fin 102 that such as fin 103 in the second row is directed in the first row, fin 103 in i.e. second row and the fin 101 in the first row, 102 in the vertical directions stagger the distance size that fin 103 is directed between which place or the fin 101 and the fin 102 that are arranged above and below of above-mentioned gap location, specifically depending on operating condition and design.nullUnder normal conditions，If the flowing velocity of fluid is relatively low，But need to be by longer finned tube，The longest fin in finned tube is all continuous and length is longer，Dust the most easily piled up by the fin that length is longer，And when fluid is by longer and continuous print fin，Stable laminar flow can be formed outside base tube 2，Reduce heat transfer effect，And the most staggered fin 1 in the present embodiment，Instead of the longest fin，Certain distance (in Fig. 1 distance) between the first row and the second row is there is between the fin 101 and the fin 103 that are arranged above and below，Carry out forming phantom，Runner direction then can be changed when fluid flows through phantom，Fluid is made to produce turbulent flow，And action of turbulent flow makes the heat transfer effect between fluid and fin more abundant and effective，And,During the fluid the second row fin 103 side in entering Fig. 1，Owing to the fin 103 of the first row fin 101 and the second row fin 102 and the second row is that in the vertical direction staggers，Fluid can occur the change of runner after flowing into the second row fin 103 side，Fluid is made to produce turbulent flow again，And action of turbulent flow makes the heat transfer effect between fluid and fin 1 more abundant and effective，Make the heat exchange efficiency being more beneficial for improving finned tube.
Embodiment 2
The two of the detailed description of the invention of a kind of vertical wing finned tube of the application, see shown in Fig. 2 or Fig. 3, and the main technical schemes of the present embodiment is same as in Example 1, the most unaccounted feature, use the explanation in embodiment 1, no longer repeat at this.The present embodiment is with the difference of embodiment 1: the upper end of fin 1 and/or lower end tilt, the upper end 112 of fin 1 and/or the angle of lower end 111 and vertical direction are more than 0 degree and less than 45 degree, concrete, ask for an interview Fig. 2, the lower end 111 of fin 1 is towards Fig. 2 Left-Tilt, the implementation of concrete inclination can be one-body molded by mould, or carry out bending by bender, ask for an interview Fig. 3, the upper end 112 of fin 1 tilts on the right of Fig. 3, the lower end 111 of fin 1 is towards Fig. 3 Left-Tilt, the direction that its upper end 112 of fin 1 the most in figure 3 and lower end 111 tilt is contrary, certainly, incline direction can also be identical, and, the angle that the upper end 112 of fin 1 tilts with lower end 111 can be identical, can also be different, concrete depending on working condition.The vertical wing finned tube of this structure is by the way of in the upper end 112 of fin 1 and lower end 111 inclination, its sloping portion is changed the runner direction of the fluid that will flow through outside base tube 2, fluid is made to produce turbulent flow, and action of turbulent flow makes the heat transfer effect between fluid and fin 1 more abundant and effective, thus improve the coefficient of heat transfer, and, in the case of magnitude of inclination is more than 0 degree less than 45 degree, dust is washed away by the turbulent flow of fluid, the accumulation of flue gas ashes or dirt in air will not be formed, make antiscaling effect good thus keep heat transfer effect the most effective, frequent shutdown because remove heat exchanger dust and the Operation and Maintenance of purging fin ashes can be reduced or avoided.Wherein, Fig. 2 or Fig. 3 is that the upper end 112 by fin 1 and lower end 111 tilt to realize fluid and produce turbulent flow, certainly, it is possible to go to allow fluid produce turbulent flow by the arrangement mode (as shown in Fig. 4 or Fig. 5) of fin 1 body.
Embodiment 3
The three of the detailed description of the invention of a kind of vertical wing finned tube of the application, vertical wing finned tube cross-sectional view shown in Figure 6, the main technical schemes of the present embodiment is same as in Example 1, the most unaccounted feature, use the explanation in embodiment 1, no longer repeat at this.The present embodiment is with the difference of embodiment 1: ask for an interview Fig. 6, and the cross section of fin 601 is triangle, and certainly, the cross section of fin 601 is alternatively rectangle, circle, ellipse, oblate or annular.From the point of view of ordinary circumstance, the medium that this structure is more suitable for outside finned tube is not to come in vertically, i.e. the outlet of body of heater or heat exchanger shell is to be vertically arranged with vertical base tube 2, the medium of flowing flows out from above-mentioned outlet, and situation about flowing to from finned tube entrance side (radial direction of base tube 2), ask for an interview Fig. 6, now fin 601 meet to from the lower section of Fig. 6 toward the medium of flowing above Fig. 6, the fin 601 of the finned tube of the present embodiment has angle with the radial direction of base tube 2, the flow direction of the medium being more beneficial for and flow to from side coordinates, reduce the stop to air-flow, the medium wherein flowed into can contact the main heat exchange face of base tube 2 outer surface and fin 601 in relatively large area, make fluid produce turbulent flow thus improve the coefficient of heat transfer, more more preferable fluid structure interaction can be obtained.
Embodiment 4
The four of the detailed description of the invention of a kind of vertical wing finned tube of the application, vertical wing finned tube cross-sectional view shown in Figure 7, the main technical schemes of the present embodiment is same as in Example 1, the most unaccounted feature, use the explanation in embodiment 1, no longer repeat at this.The present embodiment is with the difference of embodiment 1: in the middle of each piece of fin, has polylith fin 7 to be arranged on sustained height, asks for an interview Fig. 7, and on the cross section of base tube 2, this polylith fin 7 is rendered as: every piece of fin 7 is in vertical bar shape；Two pieces of adjacent fins 701, the central angle a=30 degree of the circular arc between 702 and the contact position of base tube 2, as can be seen from Figure 7, the end of fin 702 is here drawn close toward fin 701, make this two pieces of fins 701, 702 intersect formed angle b=20 degree < central angle a toward the extended line in base tube 2 direction, the size of other adjacent central angle a corresponding to two pieces of fins 7 also can be with fin 701, formed by 702, the size of central angle a is identical or different, the size of other adjacent angle b corresponding to two pieces of fins 7 also can be with fin 701, formed by 702, the size of angle b is identical or different, concrete, at the fin 7 that base tube 2 outer wall sustained height is uniform, counter clockwise direction such as Fig. 7, the extended line of fin 7 is gradually increased to the vertical dimension at base tube 2 center.nullThis fin 7 can be with the flowing of guide properly air-flow，From the point of view of ordinary circumstance，The medium that this structure is more suitable for outside finned tube is not to come in vertically，I.e. the outlet of body of heater or heat exchanger shell is to intersect setting with vertical base tube 2，The medium of flowing flows out from above-mentioned outlet，And situation about flowing to from finned tube entrance side (radial direction of base tube 2)，Ask for an interview Fig. 7，Now fin 7 meet to from the lower section of Fig. 7 toward the medium of flowing above Fig. 7，The radial direction with base tube 2 of the fin 7 of the finned tube of the present embodiment has angle (lower section of Fig. 7)，The flow direction of the medium being more beneficial for and flow to from side coordinates，Reduce the stop to air-flow，The medium wherein flowed into can contact the main heat exchange face of base tube 2 outer surface and fin 7 in relatively large area，Make fluid produce turbulent flow thus improve the coefficient of heat transfer，More more preferable fluid structure interaction can be obtained.
Embodiment 5
The five of the detailed description of the invention of a kind of vertical wing finned tube of the application, shown in Figure 8, the main technical schemes of the present embodiment is same as in Example 1, the most unaccounted feature, uses the explanation in embodiment 1, no longer repeats at this.The present embodiment is with the difference of embodiment 1: the abdominal part of the abdominal part of fin 801 has the cushion hole for eliminating thermal stress, asks for an interview Fig. 8.For the fin material that sensitivity of expanding with heat and contract with cold is bigger, welding or operating thermal stress may cause the irregular deformation of fin even to ftracture, the abdominal part perforate of fin 801 falls within secondary structure, both thermal stress can have been played certain release action, also can cause the turbulent flow of higher row, antiscaling effect is more preferable simultaneously.
Embodiment 6
The six of the detailed description of the invention of a kind of vertical wing finned tube of the application, shown in Figure 9, the main technical schemes of the present embodiment is same as in Example 1, the most unaccounted feature, uses the explanation in embodiment 1, no longer repeats at this.The present embodiment is with the difference of embodiment 1: the height of fin 901 is vertically gradually increased or gradually decreases.Concrete, ask for an interview Fig. 9, the height of fin 1 left end is gradually increased to the height of fin 901 right-hand member, in the occasion that close structure and air-flow thermal expansion change greatly, the fin of change in volume can regulate the circulation area of runner to a certain extent, but flow velocity and heat transfer effect are produced effective limited impact.
Embodiment 7
The seven of the detailed description of the invention of a kind of vertical wing finned tube of the application, shown in Figure 10, the main technical schemes of the present embodiment is same as in Example 1, the most unaccounted feature, uses the explanation in embodiment 1, no longer repeats at this.The present embodiment is with the difference of embodiment 1: fin 11 has the breach of dentation or wave-like, it is of course also possible to be the breach of other rules, concrete, asks for an interview Figure 10, and the top of fin 11 is profile of tooth.For the finned tube that fin 11 spacing is bigger, the change of fin top is properly termed as secondary structure, and the heat transfer effect of a fin structure is played further invigoration effect, is applied to the heat exchange occasion of requirements at the higher level.But the processing cost of the secondary structure and assembly welding secondary structure fin that manufacture fin increases.
Embodiment 8
The eight of the detailed description of the invention of a kind of vertical wing finned tube of the application, shown in Figure 10, the main technical schemes of the present embodiment is same as in Example 1, the most unaccounted feature, uses the explanation in embodiment 1, no longer repeats at this.The present embodiment is with the difference of embodiment 1: the cross section of described base tube 2 is set to the one of which in Long Circle, oblateness and olive shape.It addition, base tube 2 may be arranged as warp architecture.
Should be noted that; the finned tube of any of the above-described embodiment is all applied among heating furnace (be not drawn in figure); the heating furnace of this structure replaces the heating furnace with spiral fin coil of the prior art; heat exchange efficiency is improved; thus keep heat transfer effect the most effective, it is possible to frequent shutdown because remove heat exchanger dust and the Operation and Maintenance of purging fin ashes are reduced or avoided.
Finally should be noted that; above example is only in order to illustrate the technical scheme of the application; rather than the restriction to the application protection domain; although having made to explain to the application with reference to preferred embodiment; it will be understood by those within the art that; the technical scheme of the application can be modified or equivalent, without deviating from the spirit and scope of technical scheme.
Claims (9)
1. a vertical wing finned tube, including vertically-mounted base tube and the fin being arranged at described base tube outer wall, the main heat exchange face of described fin is vertical, it is characterised in that: described fin has polylith, and polylith fin is arranged above and below and in the vertical direction staggers.
One the most according to claim 1 indulges wing finned tube, it is characterised in that: the upper end of described fin and/or lower end tilt, and the angle of the upper end of described fin and/or lower end and vertical direction is more than 0 degree and less than 45 degree.
One the most according to claim 1 indulges wing finned tube, it is characterised in that: in the middle of each piece of fin, having polylith fin to be arranged on sustained height, on the cross section of base tube, this polylith fin is rendered as: every piece of fin is vertical bar shape；Two pieces of the most adjacent fins, the central angle of these two pieces of circular arcs between fin and the contact position of base tube is referred to as a, and central angle a < 180 degree, these two pieces of fins are referred to as b toward the crossing formed angle of extended line in base tube direction, then angle b < central angle a.
One the most according to claim 1 indulges wing finned tube, it is characterised in that: the main heat exchange face of described fin has the cushion hole for eliminating thermal stress.
One the most according to claim 1 indulges wing finned tube, it is characterised in that: the main heat exchange face of described fin has the breach of dentation or wave-like.
One the most according to claim 1 indulges wing finned tube, it is characterised in that: the width of described fin is vertically gradually increased or gradually decreases.
One the most according to claim 1 indulges wing finned tube, it is characterised in that: the cross section of described base tube is circular, oval or oblate.
One the most according to claim 1 indulges wing finned tube, it is characterised in that: the cross section of described fin is rectangle, triangle, circle, ellipse, oblate or annular.
9. a heating furnace, it is characterised in that: described heating furnace has vertical wing finned tube, and described vertical wing finned tube is the vertical wing finned tube according to any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467828.7A CN105973053B (en) | 2016-06-24 | 2016-06-24 | A kind of longitudinal wings finned tube and the heating furnace with the finned tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467828.7A CN105973053B (en) | 2016-06-24 | 2016-06-24 | A kind of longitudinal wings finned tube and the heating furnace with the finned tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105973053A true CN105973053A (en) | 2016-09-28 |
| CN105973053B CN105973053B (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610467828.7A Active CN105973053B (en) | 2016-06-24 | 2016-06-24 | A kind of longitudinal wings finned tube and the heating furnace with the finned tube |
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| CN (1) | CN105973053B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827042A (en) * | 2018-05-10 | 2018-11-16 | 中国石油大学(北京) | A kind of finned tube fluidized bed heat collector |
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| CN103939979A (en) * | 2014-04-14 | 2014-07-23 | 中北大学 | Heat radiator and combined heat and power generation system including same |
| CN104406443A (en) * | 2014-11-24 | 2015-03-11 | 无锡鸿声铝业有限公司 | Aluminum finned tube |
| CN104864759A (en) * | 2015-05-29 | 2015-08-26 | 西安交通大学 | Plate-fin heat exchange component and welding device thereof |
| CN205957778U (en) * | 2016-06-24 | 2017-02-15 | 茂名重力石化机械制造有限公司 | Indulge wing finned tube and have heating furnace of this finned tube |
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2016
- 2016-06-24 CN CN201610467828.7A patent/CN105973053B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE724762C (en) * | 1940-02-20 | 1942-09-05 | Linde Eismasch Ag | Radiator with ribs |
| US3330336A (en) * | 1964-03-24 | 1967-07-11 | Gobel Gerhard | Heat exchanger tubes with longitudinal ribs |
| CN201262529Y (en) * | 2008-09-04 | 2009-06-24 | 山东北辰集团有限公司 | Longitudinally welded fin heat exchange tube |
| CN103939979A (en) * | 2014-04-14 | 2014-07-23 | 中北大学 | Heat radiator and combined heat and power generation system including same |
| CN104406443A (en) * | 2014-11-24 | 2015-03-11 | 无锡鸿声铝业有限公司 | Aluminum finned tube |
| CN104864759A (en) * | 2015-05-29 | 2015-08-26 | 西安交通大学 | Plate-fin heat exchange component and welding device thereof |
| CN205957778U (en) * | 2016-06-24 | 2017-02-15 | 茂名重力石化机械制造有限公司 | Indulge wing finned tube and have heating furnace of this finned tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108827042A (en) * | 2018-05-10 | 2018-11-16 | 中国石油大学(北京) | A kind of finned tube fluidized bed heat collector |
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| Publication number | Publication date |
|---|---|
| CN105973053B (en) | 2018-03-30 |
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