CN103017576A - Tube fin type core of heat exchanger and expanded connection method thereof - Google Patents
Tube fin type core of heat exchanger and expanded connection method thereof Download PDFInfo
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- CN103017576A CN103017576A CN2012105253534A CN201210525353A CN103017576A CN 103017576 A CN103017576 A CN 103017576A CN 2012105253534 A CN2012105253534 A CN 2012105253534A CN 201210525353 A CN201210525353 A CN 201210525353A CN 103017576 A CN103017576 A CN 103017576A
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Abstract
The invention discloses a tube fin type core of a heat exchanger and an expanded connection method thereof. The tube fin type core of the heat exchanger comprises a heat-exchange tube bundle composed of a plurality of heat exchange tubes and a plurality of fins, wherein each fin is provided with a plurality of heat exchange tube holes, the quantity of the heat exchange tube holes corresponds to the quantity of the heat exchange tubes, and the inner diameter of each heat exchange tube hole fits the outer diameter of each heat exchange tube; the fins are arranged in parallel, and the heat exchange tube holes in the fins are in one-to-one correspondence; and the heat exchange tubes penetrate through the fins through the heat exchange tube holes. In such a manner, the tube fin type core of the heat exchanger, disclosed by the invention, can be increased in heat-exchange area and is compact in structure and obvious in heat-exchange effect.
Description
Technical field
The present invention relates to the field that manufactures and designs of heat exchanger, particularly heat exchanger fin-tube type core body and expanding joint method thereof.
Background technology
Shell-and-tube heat exchanger is the chemical unit equipment of oil, the extensive use of chemical industry department.Its structure, calculating, manufacturing are paid attention to by Chemical Equipment Design, manufacturing and use department always.This class heat exchanger generally all has hundreds of and even thousands of heat exchanger tubes, and being connected to become in the heat exchanger process between heat exchanger tube and the fin operates the most frequently, becomes the operation to the reliability effect maximum of whole heat exchanger.Select suitable connected mode and processing method, guarantee that each jointing satisfies quality requirement, be heat exchanger factory and use the urgent problem of wishing solution of institute of factory.Present conventional heat exchanger mostly is shell-and-tube heat exchanger, is comprised of parts such as housing, heat-exchanging tube bundle, tube sheet, deflection plate and bobbin carriages.Housing mostly is cylindrical shape, and tube bank is equipped with in inside, and the tube bank two ends are fixed on the tube sheet.Carry out cold and hot two kinds of fluids of heat exchange, a kind of mobile in pipe, be called tube side fluid; Another kind of mobile outside pipe, be called shell-side fluid.Tube sheet and the housing at tube bank two ends join together, and be simple in structure, but it is little to be only applicable to the cold fluid and hot fluid temperature difference, and the heat exchange operation of shell side when not needing mechanical cleaning, air dielectric exchange capability of heat deficiency.
Summary of the invention
For above-mentioned deficiency of the prior art, main purpose of the present invention provides a kind of heat exchanger fin-tube type core body and expanding joint method thereof, this heat exchanger fin-tube type core body can increase heat exchange area, and compact conformation, heat transfer effect is obvious, this expanding joint method can be realized the seamless expanded joint between heat exchanger tube and the fin, and expanded joint is respond well.
For achieving the above object, the technical solution used in the present invention is: a kind of heat exchanger fin-tube type core body, comprise the heat-exchanging tube bundle that is formed by a plurality of heat exchanger tubes and a plurality of fin, wherein, be equipped with a plurality of heat exchange pores on described each fin, the quantity of a plurality of heat exchange pores on described each fin is corresponding with the quantity of a plurality of heat exchanger tubes, the external diameter fit of the internal diameter of described each heat exchange pore and described each heat exchanger tube; Described a plurality of fin is arranged in parallel, and a plurality of heat exchange pores on described a plurality of fins are corresponding one by one; Described a plurality of heat exchanger tube by described a plurality of heat transfer pores through described a plurality of fins.
Preferably, the spacing between described fin and fin is 1.20-1.85mm.
Preferably, described each heat exchanger tube internal diameter is 12.50-13.50mm.The internal diameter of heat exchanger tube and external diameter are generally set according to function and the specification of heat exchanger among the present invention, and the length of general heat exchanger tube is 3000-7000mm, and external diameter is 15.90mm, and internal diameter is 12.50-13.50mm.
Preferably, described each heat exchanger tube wall thickness is 1.20-1.70mm.
Preferably, described each fin adopts metallic aluminium to make.
Preferably, described each heat exchanger tube adopts metallic copper to make.In order to guarantee the expanded joint effect between heat exchanger tube and the fin, heat exchanger tube adopts copper-nickel alloy or red copper to make among the present invention.
Spacing in the heat exchanger fin-tube type core body described in the present invention between fin and fin is 1.20-1.85mm, generally is to set according to the operating mode of heat exchanger.The number of fin does not wait from 3000-8000 in complete heat exchanger fin-tube type core body, and the number of heat exchanger tube does not wait from 110-440.
Heat exchanger fin-tube type core body of the present invention adopts heat exchanger tube is through on the fin, form tube bank, during heat exchanger work, cold water or hot water are snakelike in heat exchanger tube back and forth to flow, air circulates between fin, guarantees that air is heated or cooled, and design has greatly increased heat exchange area like this, and whole heat exchanger core body is compact, and heat transfer effect is obvious.
The invention also discloses a kind of expanding joint method of heat exchanger fin-tube type core body, comprise the steps:
A, frock install: two right angles supports are fixed on the operating platform, fixed tube sheet is placed two right angles supports before, support near the right angle on the fixed tube sheet both sides, the lower round on the fixed tube sheet is parallel to the operating platform surface and is higher than operating platform surface 2-3mm;
B, fin are installed: confirm the fin installation direction, make the heat exchange pore on the fin consistent with the position, hole of described fixed tube sheet, then fin is installed one by one, keep fin parallel with fixed tube sheet in the installation process;
C, heat exchanger tube are installed: after all fins install, heat exchanger tube is inserted one by one in the heat exchange pore of the same position in all fins;
E, expanded joint process: after all heat exchanger tubes install, after checking one by one the installation site of fin and heat exchanger tube, regulate expanded joint pressure according to heat exchange tube diameter, expanded joint rifle head is inserted a heat exchanger tube, get steel ball, utilize steel ball in heat exchanger tube, to roll and carry out expanded joint, make heat exchanger tube and fin realize interference fit.
Preferably, in the expanded joint process, the order of expanded joint heat exchanger tube is: the heat exchanger tube of first expanded joint heat exchanger fin-tube type core body core, the heat exchanger tube that disperses again expanded joint heat exchanger fin-tube type core body core periphery, and then around the heat exchanger fin-tube type core body to the centre progressively with the heat exchanger tube of remainder expanded joint one by one.Consider in the expanded joint process, the form and position tolerance of heat exchanger fin-tube type core body integral body, therefore adopt the heat exchanger tube of first expanded joint heat exchanger fin-tube type core body core, and then dispersion expanded joint, last again from around to the centre method of expanded joint one by one, utilize this expanded joint order, the integral body of the heat exchanger fin-tube type core body after expanded joint is finished is not yielding, and tension force is even.
The external diameter of steel ball is slightly larger than the internal diameter of the heat exchanger tube of required expanded joint in this expanding joint method, utilize under the certain pressure and get steel ball, steel ball is rolled in heat exchanger tube heat exchanger tube internal diameter and external diameter are swollen, thereby realize the seamless expanded joint of heat exchanger tube and fin, design ingenious and expanded joint is respond well.
Instrument when the right angle support described in the present invention and fixed tube sheet are the assembling of heat exchanger fin-tube type core body, the right angle support is used for fixed tube sheet fixing firm, fixed tube sheet be provided with fin on heat exchange pore hole one to one, when assembling heat exchanger fin-tube type core body of the present invention, after first fixed tube sheet being fixed, again fin is relied on fixed tube sheet to fix the placement location of fin, assemble.
Utilize Hydraulic expansion-jointing equipment to come to provide pressure for expanded joint rifle head among the present invention, during operation, open first the compressed air valve of Hydraulic expansion-jointing equipment, open again water valve and Hydraulic expansion-jointing power supply, set expanded joint pressure according to the wall thickness of heat exchanger tube and the heat exchange pore on the fin.
The invention has the beneficial effects as follows: fin-tube type core body heat exchanger of the present invention can increase heat exchange area, and compact conformation, and heat transfer effect is obvious, and expanding joint method of the present invention can be realized heat exchanger tube and the seamless expanded joint of fin, and expanded joint is respond well and expanded joint speed is fast.
Description of drawings
Fig. 1 is the front view of fin-tube type core body heat exchanger of the present invention one preferred embodiment;
Fig. 2 is the side view of fin-tube type core body heat exchanger of the present invention one preferred embodiment;
Each parts mark is as follows in the accompanying drawing: 1-fin, 2-heat exchanger tube, 10-heat exchange pore.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection domain of the present utility model is made more explicit defining.
Please refer to accompanying drawing 1 and accompanying drawing 2, embodiment one, a kind of heat exchanger fin-tube type core body, comprise the heat-exchanging tube bundle that a plurality of heat exchanger tubes 2 and a plurality of fin 1 form, be equipped with a plurality of heat exchange pores 10 on each fin 1, the quantity of a plurality of heat exchange pores 10 on each fin 1 is corresponding with the quantity of a plurality of heat exchanger tubes 2, the external diameter fit of the internal diameter of each heat exchange pore 10 and each heat exchanger tube 2; Fin 1 is 3000 in the present embodiment, and 3000 fins 1 are arranged in parallel, heat exchange pore 10 homogeneous one correspondence on 3000 fins 1; In the present embodiment, heat exchanger tube is 220, and 220 heat exchanger tubes 2 all run through 3000 fins 1 by heat exchange pore 10.
In the present embodiment, heat exchanger tube 2 internal diameters are 12.50mm.
In the present embodiment, heat exchanger tube 2 wall thickness 1.20mm.
In the present embodiment, fin 1 adopts metallic aluminium to make, and the spacing that fin 1 and fin are 1 is 1.20mm.
In the present embodiment, heat exchanger tube 2 adopts metallic copper to make.
Embodiment two, a kind of heat exchanger fin-tube type core body, comprise the heat-exchanging tube bundle that a plurality of heat exchanger tubes 2 and a plurality of fin 1 form, each fin 1 is provided with a plurality of heat exchange pores 10 corresponding with a plurality of heat exchanger tube 2 quantity, the external diameter fit of the internal diameter of each heat exchange pore 10 and each heat exchanger tube 2; Fin 1 has 4000 in the present embodiment, and 4000 fins 1 are arranged in parallel, heat exchange pore 10 homogeneous one correspondence on 4000 fins 1; In the present embodiment, heat exchanger tube is 330, and 330 heat exchanger tubes 2 all run through 4000 fins 1 by heat exchange pore 10.
In the present embodiment, each heat exchanger tube 2 internal diameter is 13.50mm.
In the present embodiment, described each heat exchanger tube 2 wall thickness are 1.70mm.
In the present embodiment, each fin 1 adopts metallic aluminium to make, and the spacing that fin 1 and fin are 1 is 1.35mm.
In the present embodiment, each heat exchanger tube 2 adopts metallic copper to make.
Embodiment three, a kind of heat exchanger fin-tube type core body, comprise the heat-exchanging tube bundle that a plurality of heat exchanger tubes 2 and a plurality of fin 1 form, be equipped with a plurality of heat exchange pores 10 on each fin 1, the quantity of a plurality of heat exchange pores 10 on each fin 1 is corresponding with the quantity of a plurality of heat exchanger tubes 2, the external diameter fit of the internal diameter of each heat exchange pore 10 and each heat exchanger tube 2; Fin 1 is 4000 in the present embodiment, and 4000 fins 1 are arranged in parallel, heat exchange pore 10 homogeneous one correspondence on 4000 fins; Heat exchanger tube 2 is 220 in the present embodiment, and 220 heat exchanger tubes 2 run through 4000 fins 1 by heat exchange pore 10.
In the present embodiment, heat exchanger tube 2 internal diameters are 13.00mm.
In the present embodiment, described heat exchanger tube 2 wall thickness are 1.25mm.
In the present embodiment, each fin 1 adopts metallic aluminium to make, and the spacing that fin 1 and fin are 1 is 1.40mm.
In the present embodiment, each heat exchanger tube 2 adopts metallic copper to make.
Embodiment four, a kind of heat exchanger fin-tube type core body, comprise the heat-exchanging tube bundle that a plurality of heat exchanger tubes 2 and a plurality of fin 1 form, be equipped with a plurality of heat exchange pores 10 on each fin 1, the quantity of a plurality of heat exchange pores 10 on each fin 1 is corresponding with the quantity of a plurality of heat exchanger tubes 2, the external diameter fit of the internal diameter of each heat exchange pore 10 and each heat exchanger tube 2; Fin 1 has 5000 in the present embodiment, and 5000 fins 1 are arranged in parallel, heat exchange pore 10 homogeneous one correspondence on 5000 fins 1; Heat exchanger tube 2 is 440 in the present embodiment, and 440 heat exchanger tubes 2 run through 5000 fins 1 by heat exchange pore 10.
In the present embodiment, each heat exchanger tube 2 internal diameter is 13.50mm.
In the present embodiment, each heat exchanger tube 2 wall thickness is 1.30mm.
In the present embodiment, each fin 1 adopts metallic aluminium to make, and the spacing that fin 1 and fin are 1 is 1.50mm.
In the present embodiment, each heat exchanger tube 2 adopts copper-nickel alloy to make.
Embodiment five, a kind of heat exchanger fin-tube type core body, comprise the heat-exchanging tube bundle that a plurality of heat exchanger tubes 2 and a plurality of fin 1 form, be equipped with a plurality of heat exchange pores 10 on each fin 1, the quantity of a plurality of heat exchange pores 10 on each fin 1 is corresponding with the quantity of a plurality of heat exchanger tubes 2, the external diameter fit of the internal diameter of each heat exchange pore 10 and each heat exchanger tube 2; Fin 1 has 8000 in the present embodiment, and 8000 fins 1 are arranged in parallel, heat exchange pore 10 homogeneous one correspondence on 8000 fins 1; Heat exchanger tube 2 is 110 in the present embodiment, and 110 heat exchanger tubes 2 run through 8000 fins 1 by heat exchange pore 10.
In the present embodiment, each heat exchanger tube 2 internal diameter is 12.7mm.
In the present embodiment, each heat exchanger tube 2 wall thickness is 1.24mm.
In the present embodiment, each fin 1 adopts metallic aluminium to make.The spacing that fin 1 and fin are 1 is 1.27mm.
In the present embodiment, each heat exchanger tube 2 adopts copper-nickel alloy to make.
Embodiment six, a kind of heat exchanger fin-tube type core body, comprise the heat-exchanging tube bundle that a plurality of heat exchanger tubes 2 and a plurality of fin 1 form, be equipped with a plurality of heat exchange pores 10 on each fin 1, the quantity of a plurality of heat exchange pores 10 on each fin 1 is corresponding with the quantity of a plurality of heat exchanger tubes 2, the external diameter fit of the internal diameter of each heat exchange pore 10 and each heat exchanger tube 2; Fin 1 has 6000 in the present embodiment, and 6000 fins 1 are arranged in parallel, heat exchange pore 10 homogeneous one correspondence on 6000 fins 1; Heat exchanger tube 2 is 220 in the present embodiment, and 220 heat exchanger tubes 2 run through 6000 fins 1 by heat exchange pore 10.
In the present embodiment, each heat exchanger tube 2 internal diameter is 12.70mm.
In the present embodiment, each heat exchanger tube 2 wall thickness is 1.24mm.
In the present embodiment, each fin 1 adopts metallic aluminium to make.The spacing that fin 1 and fin are 1 is 1.81mm.
In the present embodiment, each heat exchanger tube 2 adopts metallic copper to make.
Embodiment seven, a kind of heat exchanger fin-tube type core body, comprise the heat-exchanging tube bundle that a plurality of heat exchanger tubes 2 and a plurality of fin 1 form, be equipped with a plurality of heat exchange pores 10 on each fin 1, the quantity of a plurality of heat exchange pores 10 on each fin 1 is corresponding with the quantity of a plurality of heat exchanger tubes 2, the external diameter fit of the internal diameter of each heat exchange pore 10 and each heat exchanger tube 2; Fin 1 has 8000 in the present embodiment, and 8000 fins 1 are arranged in parallel, heat exchange pore 10 homogeneous one correspondence on 8000 fins 1; Heat exchanger tube 2 is 440 in the present embodiment, and 440 heat exchanger tubes 2 run through 8000 fins 1 by heat exchange pore 10.
In the present embodiment, each heat exchanger tube 2 internal diameter is 13.40mm.
In the present embodiment, each heat exchanger tube 2 wall thickness 1.60mm.
In the present embodiment, each fin 1 adopts metallic aluminium to make.The spacing that fin 1 and fin are 1 is 1.80mm.
In the present embodiment, each heat exchanger tube 2 adopts copper-nickel alloy to make.
Embodiment eight, a kind of heat exchanger fin-tube type core body, comprise the heat-exchanging tube bundle that a plurality of heat exchanger tubes 2 and a plurality of fin 1 form, be equipped with a plurality of heat exchange pores 10 on each fin 1, the quantity of a plurality of heat exchange pores 10 on each fin 1 is corresponding with the quantity of a plurality of heat exchanger tubes 2, the external diameter fit of the internal diameter of each heat exchange pore 10 and each heat exchanger tube 2; Fin 1 has 7000 in the present embodiment, and 7000 fins 1 are arranged in parallel, heat exchange pore 10 homogeneous one correspondence on 7000 fins 1; Heat exchanger tube 2 is 440 in the present embodiment, and 440 heat exchanger tubes 2 run through 7000 fins 1 by heat exchange pore 10.
In the present embodiment, each heat exchanger tube 2 internal diameter is 13.50mm.
In the present embodiment, each heat exchanger tube 2 wall thickness is 1.50mm.
In the present embodiment, each fin 1 adopts metallic aluminium to make.The spacing that fin 1 and fin are 1 is 1.85mm.
In the present embodiment, each heat exchanger tube 2 adopts red copper to make.
The expanding joint method of the heat exchanger fin-tube type core body in above-described embodiment comprises the steps: a, frock installation: two right angles supports are fixed on the operating platform; Before fixed tube sheet placed the support of two right angles, supportted near the right angle on the fixed tube sheet both sides, and the lower round on the fixed tube sheet is parallel to the operating platform surface and is higher than operating platform surface 2mm;
B, fin are installed: confirm the fin installation direction, make the heat exchange pore on the fin consistent with the position, hole on the described fixed tube sheet, then fin is installed one by one, keep fin parallel with fixed tube sheet in the installation process;
C, heat exchanger tube are installed: after all fins install, heat exchanger tube is inserted one by one in the heat exchange pore of the same position in all fins;
E, expanded joint process: after all heat exchanger tubes install, after checking one by one the installation site of fin and heat exchanger tube, regulate expanded joint pressure according to heat exchange tube diameter, expanded joint rifle head is inserted a heat exchanger tube, get steel ball, utilize steel ball in heat exchanger tube, to roll and carry out expanded joint, make heat exchanger tube and fin realize interference fit.
In the expanded joint process, the order of expanded joint heat exchanger tube is: the heat exchanger tube of first expanded joint heat exchanger fin-tube type core body core, the a part of heat exchanger tube that disperses again expanded joint heat exchanger fin-tube type core body central periphery, and then around the heat exchanger fin-tube type core body to the centre progressively with the heat exchanger tube of remainder expanded joint one by one.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (8)
1. heat exchanger fin-tube type core body, comprise the heat-exchanging tube bundle that is formed by a plurality of heat exchanger tubes and a plurality of fin, it is characterized in that, be equipped with a plurality of heat exchange pores on described each fin, the quantity of a plurality of heat exchange pores on described each fin is corresponding with the quantity of a plurality of heat exchanger tubes, the external diameter fit of the internal diameter of described each heat exchange pore and described each heat exchanger tube; Described a plurality of fin is arranged in parallel, and a plurality of heat exchange pores on described a plurality of fins are corresponding one by one; Described a plurality of heat exchanger tube by described a plurality of heat transfer pores through described a plurality of fins.
2. heat exchanger fin-tube type core body according to claim 1 is characterized in that, the spacing between described fin and fin is 1.20-1.85mm.
3. heat exchanger fin-tube type core body according to claim 1 is characterized in that, described each heat exchanger tube internal diameter is 12.50-13.50mm.
4. heat exchanger fin-tube type core body according to claim 1 is characterized in that, described each heat exchanger tube wall thickness is 1.20-1.70mm.
5. according to claim 1 and 2 or 3 or 4 described heat exchanger fin-tube type core bodys, it is characterized in that, described each fin adopts metallic aluminium to make.
6. according to claim 1 and 2 or 3 or 4 described heat exchanger fin-tube type core bodys, it is characterized in that, described each heat exchanger tube adopts metallic copper to make.
7. the expanding joint method of a heat exchanger fin-tube type core body, it is characterized in that, comprise the steps: a, frock installation: two right angles supports are fixed on the operating platform, before fixed tube sheet placed the support of two right angles, support near the right angle on the fixed tube sheet both sides, and the lower round on the fixed tube sheet is parallel to the operating platform surface and is higher than operating platform surface 2～3mm;
B, fin are installed: confirm the fin installation direction, make the heat exchange pore on the fin consistent with the position, hole on the described fixed tube sheet, then fin is installed one by one, keep fin parallel with fixed tube sheet in the installation process;
C, heat exchanger tube are installed: after all fins install, heat exchanger tube is inserted one by one in the heat exchange pore of the same position in all fins;
E, expanded joint process: after all heat exchanger tubes install, after checking one by one the installation site of fin and heat exchanger tube, regulate expanded joint pressure according to heat exchange tube diameter, expanded joint rifle head is inserted a heat exchanger tube, get steel ball, utilize steel ball in heat exchanger tube, to roll and carry out expanded joint, make heat exchanger tube and fin realize interference fit.
8. the expanding joint method of heat exchanger fin-tube type core body according to claim 7, it is characterized in that, in the expanded joint process, the order of expanded joint heat exchanger tube is: the heat exchanger tube of first expanded joint heat exchanger fin-tube type core body core, the a part of heat exchanger tube that disperses again expanded joint heat exchanger fin-tube type core body central periphery, and then around the heat exchanger fin-tube type core body to the centre progressively with the heat exchanger tube of remainder expanded joint one by one.
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| CN2012105253534A CN103017576A (en) | 2012-12-10 | 2012-12-10 | Tube fin type core of heat exchanger and expanded connection method thereof |
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| CN2012105253534A CN103017576A (en) | 2012-12-10 | 2012-12-10 | Tube fin type core of heat exchanger and expanded connection method thereof |
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Cited By (5)
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| CN106556264A (en) * | 2015-09-28 | 2017-04-05 | 朱琛琨 | The processing method and fin-tube type heat exchanger of fin-tube type heat exchanger |
| CN106679240A (en) * | 2015-11-11 | 2017-05-17 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger and heat exchange pipes |
| CN108344322A (en) * | 2018-03-28 | 2018-07-31 | 长沙格力暖通制冷设备有限公司 | Finned heat exchanger and air conditioner |
| CN112147540A (en) * | 2020-08-25 | 2020-12-29 | 青岛海尔空调器有限总公司 | Detection tool for detecting number of effective fins of heat exchanger and use method |
| CN114570841A (en) * | 2022-02-28 | 2022-06-03 | 北京热力众达换热设备有限公司 | Water pressure transmission expansion method and device for heat exchanger |
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| CN114570841A (en) * | 2022-02-28 | 2022-06-03 | 北京热力众达换热设备有限公司 | Water pressure transmission expansion method and device for heat exchanger |
| CN114570841B (en) * | 2022-02-28 | 2023-08-22 | 北京热力众达换热设备有限公司 | Hydraulic transmission expansion method for heat exchanger |
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Application publication date: 20130403 |