CN105547032A - Condensation heat exchange pipe and manufacturing and using method thereof - Google Patents
Condensation heat exchange pipe and manufacturing and using method thereof Download PDFInfo
- Publication number
- CN105547032A CN105547032A CN201510974661.9A CN201510974661A CN105547032A CN 105547032 A CN105547032 A CN 105547032A CN 201510974661 A CN201510974661 A CN 201510974661A CN 105547032 A CN105547032 A CN 105547032A
- Authority
- CN
- China
- Prior art keywords
- fin
- heat exchange
- base tube
- exchange base
- exchanging pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- F28F1/24—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 transversely
- F28F1/30—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 transversely the means being attachable to the element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/12—Fastening; Joining by methods involving deformation of the elements
- F28F2275/127—Fastening; Joining by methods involving deformation of the elements by shrinking
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/16—Fastening; Joining with toothed elements, e.g. with serrations
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a condensation heat exchange pipe. The condensation heat exchange pipe comprises a heat exchange base pipe and a plurality of fins connected to the outside of the heat exchange base pipe in a sleeving mode. Each fin is provided with a first surface which is a plane. The heat exchange base pipe is provided with an axis and extends along the axis. The plane where the first surface of each fin is located and the axis of the heat exchange base pipe intersect obliquely. Accumulating of condensation water on the fins can be effectively inhibited through the condensation heat exchange pipe provided by the invention. The invention further provides a manufacturing and using method of the condensation heat exchange pipe.
Description
Technical field
The present invention relates to condenser, particularly a kind of condensing heat-exchanging pipe.Condensing heat-exchanging pipe provided by the present invention is specially adapted to the operating mode of the steam condensation containing incoagulable gas, Water Sproading in such as boiler tail flue gas.The present invention also provides manufacture and the using method of condensing heat-exchanging pipe.
Background technology
In the evolution of thermoexcell, install the high effective way that heat exchange strengthened beyond doubt by fin additional, main fin configuration is pin rib, straight rib, ring rib, and outdoor machine of air-conditioner is the monoblock type fin (plain film of representative, triangle corrugated plate, sine bellows sheet, crack sheet) etc., but traditional fin augmentation of heat transfer effect poor effect in design of condenser.The condenser pipe with discharge opeing circle newly developed is blocked by discharge opeing circle because the growth of liquid film thickeies process, condensation water is drained in time, so be thinned the thickness of liquid film, enhance condensation heat transfer, but discharge opeing circle and condensation heat transfer tubular axis line are arranged vertically this mode not science, the discharge opeing circle of level has condensation water gather growth thickening, by the time condensation water thickness is enough thick just can overflow excretion outward, therefore be arranged vertically to be designed with and help the generation of condensation process and the strengthening of heat exchange, but still existing defects.
Summary of the invention
Because the above-mentioned defect of prior art, the invention provides a kind of new condensing heat-exchanging pipe, the technical problem that solve is the accumulation of the condensation water suppressed on fin.
For solving the problem, the technical scheme that the present invention takes is: a kind of condensing heat-exchanging pipe, comprise heat exchange base tube and be socketed on multiple fins of outside of described heat exchange base tube, described fin has first surface, described first surface is plane, described heat exchange base tube has axis, and described heat exchange base tube is along described Axis Extension, and the plane at the first surface place of described fin tilts crossing with the axis of described heat exchange base tube.
Preferably, the angle of the plane at the first surface place of described fin and the axis of described heat exchange base tube is 10 degree ~ 75 degree.
Preferably, described fin has second surface, and the second surface of described fin is parallel with the first surface of described fin.
Preferably, the material of described fin is copper, and the material of described heat exchange base tube is carbon steel material.
Preferably, described fin comprises the first fin part and the second fin part, and described fin is assembled by described first fin part and described second fin part.
Preferably, described heat exchange base tube has outer surface, described fin has the inner surface contacted with the outer surface of described heat exchange base tube, the outer surface of described heat exchange base tube has many grooves, described groove is along the Axis Extension of described heat exchange base tube, the inner surface of described fin has many lug, nibs with the mating shapes of the outer surface of described heat exchange base tube, and the inner surface of described fin is contacted with the intimate of described heat exchange base tube.
Present invention also offers a kind of using method of condensing heat-exchanging pipe provided by the present invention, comprise the steps:
1) provide cooling medium, make described cooling medium in the internal flow of described heat exchange base tube;
2) provide air-flow, make described air-flow flow through described condensing heat-exchanging pipe, and make the flow direction of described air-flow be parallel to described fin first surface and perpendicular to the axis of described heat exchange base tube.
Present invention also offers a kind of manufacture method of condensing heat-exchanging pipe, described condensing heat-exchanging pipe comprises heat exchange base tube and is socketed on multiple fins of outside of described heat exchange base tube, described fin has first surface, described first surface is plane, described heat exchange base tube has axis, described heat exchange base tube is along described Axis Extension, and the plane at the first surface place of described fin tilts crossing with the axis of described heat exchange base tube; Described fin comprises the first fin part and the second fin part, and described fin is assembled by described first fin part and described second fin part;
The manufacture method of described condensing heat-exchanging pipe comprises the steps:
1) described heat exchange base tube and described first fin part and the second fin part are provided;
2) heat described first fin part and the second fin part, described first fin part and the second fin part are expanded;
3) described first fin part and the second fin part are socketed in the outside of described heat exchange base tube, and by described first fin part with the second fin is fastening is assembled into described fin;
4) after described first fin part and the cooling of the second fin part, described fin is locked in the outside of described heat exchange base tube.
Preferably, the material of described fin is copper, and the material of described heat exchange base tube is carbon steel material.
Advantageous Effects of the present invention is:
1, the present invention can realize best condensation heat transfer effect under same condensation heat transfer area, and condensation water growing amount is maximum, and heat exchange is the strongest.
2, fin adopts copper, and heat exchange base tube adopts carbon steel material, and the former linear expansion coefficient is larger than the latter, facilitates dilatometry to mount and dismount.
3, detachable fin design can change spacing of fin to realize condensation heat transfer effect optimum under different operating mode flexibly according to applying working condition.
4, inclined winglet design, takes full advantage of the Beneficial Effect of gravity to discharge opeing.
5, to existing equipment without the need to large change, device is easy for installation, compact structure, with low cost, and processing technology is simple, stable.
6, application extension.The present invention not only can be used in condenser field, also can be used for the recycling of moisture in boiler tail flue gas, saves valuable water resource, reduces exhaust gas temperature, improves boiler efficiency.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of preferred detailed description of the invention of condensing heat-exchanging pipe provided by the present invention.
Fig. 2 is the structural representation of the fin of the condensing heat-exchanging pipe shown in Fig. 1.
Fig. 3 is the STRUCTURE DECOMPOSITION figure of the fin shown in Fig. 2.
The using method schematic diagram that Fig. 4 is the condensing heat-exchanging pipe shown in Fig. 1.
The structure that Figure of description illustrates, ratio, size etc., content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the essential meaning of not having on technical meaning, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, all should still drop in scope that disclosed technology contents can contain.Simultaneously, quote in this description as " on ", D score, "front", "rear", the term such as " centre ", also only for ease of understanding of describing, and and be not used to limit the present invention enforceable scope, its change relatively defined or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
Detailed description of the invention
Fig. 1-Fig. 3 shows the preferred detailed description of the invention of one of condensing heat-exchanging pipe provided by the present invention.
As shown in Figure 1-Figure 3, the condensing heat-exchanging pipe in this detailed description of the invention comprises heat exchange base tube 10 and multiple fin 20, and fin 20 is socketed on the outside of heat exchange base tube 10.Fin 20 has first surface 21, and first surface 21 is plane, and heat exchange base tube 10 is along Axis Extension, and the plane at first surface 21 place of fin 20 tilts crossing with the axis of heat exchange base tube 10.The angle of fin plane and heat exchange base tube axis can be determined by experiment.Through groping of application, in order to obtain preferably condensation heat transfer effect, the plane at first surface 21 place and the angle of the axis of heat exchange base tube 10 of fin 20 be 10 degree ~ 75 degree more suitable.It is more preferably 30 degree ~ 60 degree.In addition, fin 20 has second surface 22, and the second surface 22 of fin 20 is parallel with first surface 21.The global shape of fin 20 is oval.In this specific embodiment, heat exchange base tube 10 has outer surface 11, fin 20 has the inner surface 25 contacted with the outer surface 11 of heat exchange base tube 10, the outer surface 11 of heat exchange base tube 10 has many grooves 12, groove 12 is along the Axis Extension of heat exchange base tube 10, the inner surface 25 of fin 20 has many lug, nibs 26 with the mating shapes of the outer surface 11 of heat exchange base tube 10, makes the inner surface 25 of fin 20 and outer surface 11 close contact of heat exchange base tube 10.
In this specific embodiment, the material of fin 20 is copper, and the material of heat exchange base tube 10 is carbon steel material.Meanwhile, fin 20 comprises the first fin part 23 and the second fin part 24, and fin 20 is assembled by the first fin part 23 and the second fin part 24.The object of such setting is the assembling of conveniently condensing heat-exchanging pipe.Condensing heat-exchanging pipe in this detailed description of the invention can assemble as follows:
1) heat exchange base tube 1 and the first fin part 23 and the second fin part 24 are provided;
2) heat the first fin part 23 and the second fin part 24, the first fin part 23 and the second fin part 24 are expanded;
3) the first fin part 23 and the second fin 24 are socketed in the outside of heat exchange base tube 10, and by the first fin part 23 with the second fin 24 is fastening is assembled into fin 20;
4) after the first fin part 23 and the cooling of the second fin part 24, fin 20 is locked in the outside of heat exchange base tube 10.
In addition, during dismounting fin, aim at fin heats several seconds with thermal-flame, namely available specific purpose tool unloads fin.
Condensing heat-exchanging pipe in this detailed description of the invention is formed primarily of two parts, and one is drive by pipe the heat exchange base tube that longitudinal fluting formed, and another is adjustable removable inclined ellipse shape fins set.First according to actual applying working condition determination spacing of fin, then being put into by fin after heating furnace suitably heats is inserted on heat exchange base tube with instrument, every sheet fin is made up of the two halves fin of full symmetric, two and half fins align after putting base tube simultaneously, next is inserted in fin again, until all fins complete installation under specifying Spacing.When fin is installed, its minor axis must carry out flow path direction with air-flow and is consistent, and must not have any dislocation and the anglec of rotation, otherwise will reduce condensation heat transfer performance.
In this specific embodiment, the present invention creatively by the axis of oval copper fin and heat exchange base tube at an angle deflection arrange, condensation water on the oval fin of deflection because the effect of gravity can be discharged faster, and oval fin plane and air-flow to carry out flow path direction parallel, contribute to reducing air current flow resistance, make air-flow can keep flow velocity faster, condensation water is blown away; In addition, because oval fin is put together by two parts, dismounting is compared complete fin and is more prone to, conveniently can change the spacing between oval fin, adapt to different operating modes, ensure that condensation heat transfer pipe is in higher heat transfer effect, the variable parameter operation Be very effective of condensing heat exchanger all the time.
Fig. 4 shows the using method of the condensing heat-exchanging pipe in this detailed description of the invention.As shown in Figure 4, the condensing heat-exchanging pipe in this detailed description of the invention can use in accordance with the following steps:
1) cooling medium, makes cooling medium in the internal flow of heat exchange base tube 10;
2) provide air-flow, make air-flow flow through condensing heat-exchanging pipe, and make the flow direction of air-flow (arrow in Fig. 4 shown in) be parallel to fin 20 first surface 21 and perpendicular to the axis of heat exchange base tube 10.
Oval fin and condensation heat transfer base tube axis is angled is in tilted layout, the arrangement relation of oval fin plane and air-flow incoming flow is also fixing, mainly contain three kinds of relativenesses---1. oval fin upper surface incoming flow windward, 2. oval fin lower ends face incoming flow windward, 3. oval fin minor axis is with to carry out flow path direction parallel.The effect that above three kinds of arrangement relation are brought is distinct.
When oval fin upper surface windward incoming flow time, because upper surface liquid film is subject to Action of Gravity Field the trend flowed downward, but the component that the viscous force that stream air produces can make liquid film be subject to obliquely, under two power effect balances, it is more that condensation water can gather, the more thick excretion being more unfavorable for condensation water of thickness, disadvantageous to condensation process, when the condensation water of lower surface drips under gravity worse, be subject to the impact that air-flow blows, will certainly again splash on condensation heat transfer pipe, add the thickness of liquid film of hypomere heat exchanger tube, the most unscientific arrangement in general.
When oval fin lower ends face incoming flow windward, gathering of original lower surface condensation water is just less, liquid film is very thin, now at the limited efficiency of airflow scouring lower surface liquid film thickness thinning, upper surface is owing to being in leeward district in addition, is not subject to the impact of airflow scouring viscous force, liquid film can only free growth to enough thick rear just can excessive excretion under gravity, thickness of liquid film is thicker, is not optimal design.
When the short-axis direction of oval fin keeps with air-flow that to carry out flow path direction parallel, the condensation water of so oval fin upper surface is subject to gravity gentle stream viscosity power acting in conjunction quickening discharge process simultaneously, and upper surface thickness of liquid film is thinner, is conducive to the generation of condensation heat transfer.And oval fin lower ends face condensation water natively adheres to less, and also can be subject to the acting in conjunction of the gentle stream viscosity power of gravity, accelerate excretion, the condensation water excreted departs from condensation heat transfer pipe, can not cause harmful effect.Overall heat transfer effect is best.
The occupation mode of the condensing heat-exchanging pipe in this detailed description of the invention is as follows: when short-axis direction and the air-flow of removable adjustable elliptical perimeter fin come flow path direction consistent time, the condensation water of oval fin upper surface is subject to the acting in conjunction of gravity gentle stream viscosity power simultaneously and accelerates discharge process, upper surface thickness of liquid film is thinner, is conducive to the generation of condensation heat transfer.And oval fin lower ends face condensation water natively adheres to less, and also can be subject to the acting in conjunction of the gentle stream viscosity power of gravity, accelerate excretion, the condensation water excreted departs from condensation heat transfer pipe, can not cause harmful effect.Condensation water is discharged by container collection after all flowing to bottom.
The heat exchange base tube of the condensing heat-exchanging pipe in this detailed description of the invention and other configuration of fin are all technology known in the art, are not described in detail in this.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (9)
1. a condensing heat-exchanging pipe, comprise heat exchange base tube and be socketed on multiple fins of outside of described heat exchange base tube, it is characterized in that, described fin has first surface, described first surface is plane, described heat exchange base tube has axis, and described heat exchange base tube is along described Axis Extension, and the plane at the first surface place of described fin tilts crossing with the axis of described heat exchange base tube.
2. condensing heat-exchanging pipe as claimed in claim 1, it is characterized in that, the angle of the plane at the first surface place of described fin and the axis of described heat exchange base tube is 10 degree ~ 75 degree.
3. condensing heat-exchanging pipe as claimed in claim 1, it is characterized in that, described fin has second surface, and the second surface of described fin is parallel with the first surface of described fin.
4. condensing heat-exchanging pipe as claimed in claim 1, it is characterized in that, the material of described fin is copper, and the material of described heat exchange base tube is carbon steel material.
5. condensing heat-exchanging pipe as claimed in claim 1, it is characterized in that, described fin comprises the first fin part and the second fin part, and described fin is assembled by described first fin part and described second fin part.
6. condensing heat-exchanging pipe as claimed in claim 1, it is characterized in that, described heat exchange base tube has outer surface, described fin has the inner surface contacted with the outer surface of described heat exchange base tube, the outer surface of described heat exchange base tube has many grooves, described groove is along the Axis Extension of described heat exchange base tube, and the inner surface of described fin has many lug, nibs with the mating shapes of the outer surface of described heat exchange base tube, and the inner surface of described fin is contacted with the intimate of described heat exchange base tube.
7., as the using method of the condensing heat-exchanging pipe as described in arbitrary in claim 1 to 6, it is characterized in that, comprise the steps:
1) provide cooling medium, make described cooling medium in the internal flow of described heat exchange base tube;
2) provide air-flow, make described air-flow flow through described condensing heat-exchanging pipe, and make the flow direction of described air-flow be parallel to described fin first surface and perpendicular to the axis of described heat exchange base tube.
8. the manufacture method of a condensing heat-exchanging pipe, it is characterized in that, described condensing heat-exchanging pipe comprises heat exchange base tube and is socketed on multiple fins of outside of described heat exchange base tube, described fin has first surface, described first surface is plane, described heat exchange base tube has axis, and described heat exchange base tube is along described Axis Extension, and the plane at the first surface place of described fin tilts crossing with the axis of described heat exchange base tube; Described fin comprises the first fin part and the second fin part, and described fin is assembled by described first fin part and described second fin part;
The manufacture method of described condensing heat-exchanging pipe comprises the steps:
1) described heat exchange base tube and described first fin part and the second fin part are provided;
2) heat described first fin part and the second fin part, described first fin part and the second fin part are expanded;
3) described first fin part and the second fin part are socketed in the outside of described heat exchange base tube, and by described first fin part with the second fin is fastening is assembled into described fin;
4) after described first fin part and the cooling of the second fin part, described fin is locked in the outside of described heat exchange base tube.
9. the manufacture method of condensing heat-exchanging pipe as claimed in claim 8, it is characterized in that, the material of described fin is copper, and the material of described heat exchange base tube is carbon steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974661.9A CN105547032A (en) | 2015-12-22 | 2015-12-22 | Condensation heat exchange pipe and manufacturing and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974661.9A CN105547032A (en) | 2015-12-22 | 2015-12-22 | Condensation heat exchange pipe and manufacturing and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105547032A true CN105547032A (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510974661.9A Pending CN105547032A (en) | 2015-12-22 | 2015-12-22 | Condensation heat exchange pipe and manufacturing and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105547032A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906998A (en) * | 2017-10-27 | 2018-04-13 | 东南大学 | A kind of high-performance condensing heat-exchanging pipe based on biomimetic features |
| CN109099749A (en) * | 2018-08-30 | 2018-12-28 | 珠海格力电器股份有限公司 | Heat exchanger tube and heat pump unit |
| CN109297345A (en) * | 2017-07-25 | 2019-02-01 | 刘勇 | Fin heat exchange pipe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297345A (en) * | 2017-07-25 | 2019-02-01 | 刘勇 | Fin heat exchange pipe |
| CN107906998A (en) * | 2017-10-27 | 2018-04-13 | 东南大学 | A kind of high-performance condensing heat-exchanging pipe based on biomimetic features |
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| CN109099749A (en) * | 2018-08-30 | 2018-12-28 | 珠海格力电器股份有限公司 | Heat exchanger tube and heat pump unit |
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Application publication date: 20160504 |