CN202836268U - Pipe type heat exchanger and heat exchanging device - Google Patents
Pipe type heat exchanger and heat exchanging device Download PDFInfo
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- CN202836268U CN202836268U CN 201220434137 CN201220434137U CN202836268U CN 202836268 U CN202836268 U CN 202836268U CN 201220434137 CN201220434137 CN 201220434137 CN 201220434137 U CN201220434137 U CN 201220434137U CN 202836268 U CN202836268 U CN 202836268U
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- 230000005540 biological transmission Effects 0.000 claims description 33
- 238000009826 distribution Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 description 62
- 238000000034 method Methods 0.000 description 15
- 239000000956 alloy Substances 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 229910000881 Cu alloy Inorganic materials 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 206010016807 Fluid retention Diseases 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000005591 charge neutralization Effects 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a pipe type heat exchanger and a heat exchanging device. The pipe type heat exchanger comprises a plurality of pipes and fins arranged between the plurality of pipes. The pipe type heat exchanger is characterized in that the plurality of pipes comprise one or more inner pipes and one or more outer pipes sleeved at the periphery of the one or more inner pipes. The fins are distributed along the radial direction on an axially vertical cross section of the plurality of pipes. The plurality of pipes and the fins are made as a whole.
Description
Technical field
The utility model relates to duct type heat exchanger and heat transmission equipment, relates to especially the duct type heat exchanger for fluid media (medium) (such as water, steam etc.) of the heat transmission equipment in fields such as being mainly used in industrial heat exchange, building industry heat exchange, central air-conditioning, heating and ventilation.
Background technology
Along with the development of power-saving technology, the application of heat exchanger constantly enlarges, and has brought significant economic benefit.Traditional plate type heat exchanger adopts structure corrosion resistant plate or copper coin, multiple-layer stacked usually, and the working pressure that this plate type heat exchanger allows is lower, does not often reach requirement when being applied to skyscraper.And in traditional plate type heat exchanger, all need to utilize sealing strip to seal in every heat exchanger plates and between two heat exchanger plates, the structure of this use sealing strip causes the service life of traditional plate type heat exchanger short and maintenance capacity is large.
And present popular shell-and-tube heat exchanger, in order to increase the heat transfer effect of fluid, shell side is in-built disturbance device, such as deflection plate, baffle plate, fin etc., above-mentioned disturbance device also plays the supporting role to tube bank simultaneously, common disturbance device has segmental baffle, full circle shape deflection plate, the irregularly-shaped hole deflection plate, reticular lamina, helical baffles etc., these Structure Decreasings the Pressure Drop of fluid in diabatic process, reduced simultaneously the flow-induction phenomenon of fluid, but because the tube side of shell-and-tube heat exchanger runs through shell side, and above-mentioned disturbance device also is distributed in the shell side, both needed the fixing of pipe and disturbance device, also need disturbance device and shell side are fixed, cause assembling very complicated, and increased production and installation cost.
For other heat exchanger kind, for example, application number is that CN201110433264.2, denomination of invention disclose a kind of pipe finned heat exchanger that adopts following structure for the Chinese invention patent application of " a pipe fin type efficient heat exchanger ".Cold-producing medium flow process metal tube is curved a plurality of U-shaped bending tubes that continuous, positive and negative bending replaces of arranging more, be shaped with a plurality of slotted holes of lining up many rows suitable with described U-shaped bending tube spread pattern on the metal fin, cold-producing medium flow process metal tube is inserted through described multi-disc metal fin, and with slotted hole hole wall close contact, cold-producing medium flow process metal tube and the welding of metal fin slotted hole hole wall.In this application, metal tube is arranged bending more, and its stress distribution is inhomogeneous, and metal tube adopts welding manner to be combined with the fin contact position simultaneously, is not suitable for the large heat exchange environment of Pressure Drop, easily produces the flow-induction in the pipe, damages fin.
At the coefficient of heat transfer technical elements that improves heat exchanger, for example, application number is that CN201110405034.5, denomination of invention are the Chinese invention patent application of " utilizing medium shear force to improve the method for heat transfer coefficient of heat exchanger ", discloses following a kind of method that improves heat transfer coefficient of heat exchanger.Before the entrance of heat exchanger, be provided with the flutter generator that can make the whole runner inner fluid of heat exchanger medium produce TRANSFER BY PULSATING FLOW, by regulating flutter generator, the Frequency generated of two fluid pulsations is changed, make fluid pulsation and produce shearing force, heat exchange area is subject to shearing force effect vibration-generating, heat-transfer surface flutter failure fluid retention layer and peel off dirt layer reduces the fluid thermal resistance, thereby improves heat transfer coefficient of heat exchanger.The method has been improved the liquid form of tube fluid effectively, but the cost of flutter generator is higher, and to the installation and debugging inconvenient operation of flutter generator.
The utility model content
The purpose of this utility model is, in view of the foregoing defects the prior art has, has proposed the integrated duct type heat exchanger of a kind of employing extrusion process.The material of this heat exchanger is copper alloy or aluminum alloy materials, and inner tube, fin and outer tube are by the extrusion modling of extrusion process one.By adopting the integrated duct type heat exchanger of extrusion process that utilizes of the present utility model, so that manufacturing processing technic is simple, it is easy that assembling is installed, and it is many and cause the defectives such as maintenance cost height and service life is short to have solved the seal point of traditional plate type heat exchanger.
One side of the present utility model provides a kind of duct type heat exchanger, this duct type heat exchanger comprises a plurality of pipelines and is arranged in fin between a plurality of pipelines, it is characterized in that: described a plurality of pipelines comprise more than one inner tube and are arranged in the outer tube of described inner tube periphery, described fin is radial distribution at the axial vertical cross section of described a plurality of pipelines, and described a plurality of pipeline and described fin are formed into one.The center line of inner and outer tubes is parallel or on same straight line, fin is being radial distribution with fixed intervals or on-fixed interval between inner tube and the inner tube or between inner tube and the outer tube.The extrusion die ratio of the heat exchanger of this kind of Design and manufacture structure is easier to, thereby has reduced production cost, and the connection of two heat exchangers is easy, thereby realizes easy installation assembling.
Of the present utility modelly provide on the other hand a kind of heat transmission equipment, it is characterized in that described heat transmission equipment comprises aforementioned duct type heat exchanger.
According to the utility model, the inner tube of duct type heat exchanger, fin, outer tube adopt extrusion process one-body molded.Aspect the employed material of heat exchanger, preferably adopt aluminum alloy materials, the coefficient of heat transfer of aluminum alloy materials is greater than the stainless coefficient of heat transfer, and makes the light cost of quality of heat exchanger low; More preferably adopt Cu alloy material, the Cu alloy material coefficient of heat transfer is far longer than stainless steel, compares with the heat exchanger that adopts stainless steel material to make, and can greatly shorten the heat-exchange time of heat exchanger, thereby significantly improve heat exchange efficiency.And, by the fin that adopts the extruding integral forming process to make the inner tube outer tube has been formed the self-supporting effect, have high pressure resistant, the advantages such as bulk strength is high, good rigidly, and avoided the needed processing such as deflection plate, baffle plate in the conventional tube shell heat exchanger and installed and fixed and the loaded down with trivial details operation of the needed welding operation of fin etc., thereby realized that processing and fitting operation are simple, and the defective that can effectively avoid flow disturbance to bring.
The duct type heat exchanger that the utility model provides is considered the heat transfer coefficient that increases fluid by the disturbance that increases fluid, and fin is arranged in each inner tube outside and is radial distribution along the inner tube cross section.And, when the fin of two duct type heat exchangers connected to one another is all arranged and fin number during as N take fixed intervals, make one of them duct type heat exchanger and another duct type heat exchanger keep in the axial direction concentric and make a described duct type heat exchanger with respect to described another heat exchanger along axis rotation θ degree angle, wherein, N is natural number, and θ satisfies 0＜θ＜360/N.By above connected mode, make in two heat exchangers that are connected the corresponding fin θ degree angle of staggering respectively, so that between inner tube and the inner tube, flowing liquid has changed direction of flow in the junction of two heat exchangers between outer tube and the inner tube, thereby increased the disturbance of fluid.In addition, when the fin number of two continuous heat exchangers and/or arrangement mode differ from one another, also can increase fluid in the disturbance of junction.
In addition, connect by connector between the duct type heat exchanger that the utility model provides, O RunddichtringO between the heat exchanger is being subject to the effect lower seal better effects if of external force, therefore adopts the heat transmission equipment of duct type heat exchanger of the present utility model to work under the hyperbaric environment such as industrial and mineral.
In sum, the integrated duct type heat exchanger that the utility model provides, saved the processing of the welding operation of fin and deflection plate, baffle plate and the operation such as installed and fixed, realized the turbulent flow of fluid two heat exchanger junctions, increased the coefficient of heat transfer of heat exchanger, simple to operate, cost.
By referring to the detailed description of accompanying drawing to exemplary embodiment, other features of the present utility model and aspect will become clear.
Description of drawings
Be included in the specification and consist of specification a part the accompanying drawing illustration exemplary embodiment of the present utility model, feature and aspect, and be used for explaining principle of the present utility model with explanatory note.
Fig. 1 shows the longitudinal sectional drawing according to the overall structure example of the duct type heat exchanger of the utility model the first embodiment.
Fig. 2 shows the transverse cross-sectional view according to the overall structure example of the duct type heat exchanger of the utility model the first embodiment.
Fig. 3 shows the longitudinal sectional drawing according to the connected mode of the heat transmission equipment of the first embodiment that uses according to duct type heat exchanger of the present utility model.
Fig. 4 shows the transverse cross-sectional view according to the connected mode of the heat transmission equipment of the first embodiment of using according to duct type heat exchanger of the present utility model.
Fig. 5 shows the longitudinal sectional drawing according to the connected mode of the heat transmission equipment of the second embodiment that uses according to duct type heat exchanger of the present utility model.
Fig. 6 shows the transverse cross-sectional view according to the connected mode of the heat transmission equipment of the second embodiment of using according to duct type heat exchanger of the present utility model.
Fig. 7 shows the transverse cross-sectional view according to the corrugated fin topology example in the duct type heat exchanger of the present utility model.
Fig. 8 shows the transverse cross-sectional view according to the triangle fin structure example in the duct type heat exchanger of the present utility model.
Fig. 9 shows the transverse cross-sectional view according to the Beautiful Weave Shape corrugated fin topology example in the duct type heat exchanger of the present utility model.
Figure 10 shows the transverse cross-sectional view according to the solid and Beautiful Weave Shape corrugated fin combining structure example in the duct type heat exchanger of the present utility model.
Figure 11 shows the transverse cross-sectional view according to the fin arrangement mode example in the duct type heat exchanger of the present utility model.
Figure 12 shows the transverse cross-sectional view according to the fin arrangement mode example in the duct type heat exchanger of the present utility model.
Figure 13 shows the transverse cross-sectional view according to the fin arrangement mode example in the duct type heat exchanger of the present utility model.
Figure 14 shows the transverse cross-sectional view according to the topology example of the duct type heat exchanger of the utility model the second embodiment.
The specific embodiment
Below, describe with reference to the accompanying drawings various exemplary embodiment of the present utility model, feature and aspect in detail.
The first embodiment of duct type heat exchanger
Fig. 1 is the longitudinal sectional drawing that illustrates according to the topology example of the duct type heat exchanger of the utility model the first embodiment, and Fig. 2 is the transverse cross-sectional view that illustrates according to the topology example of the duct type heat exchanger of the utility model the first embodiment.
As depicted in figs. 1 and 2, duct type heat exchanger 100 according to the utility model the first embodiment comprises two pipelines, and described two pipelines comprise inner tube (inner layer pipe) 1 and to be arranged in the outer tube (outer layer pipe) 3 of inner tube 1 periphery with the coaxial mode of inner tube 1.Duct type heat exchanger 100 also comprises the fin 2 that is arranged between inner tube 1 and the outer tube 3, fin 2 with the axial perpendicular cross section of inner tube 1 and outer tube 3 on be radial distribution with fixed intervals.Because fin 2 is arranged between inner tube 1 and the outer tube 3, so fin 2 not only plays the effect of self-supporting to pipeline, and increased the heat-conducting area when air-flow passes through pipeline, and strengthened the disturbance effect to air-flow.And inner tube 1, outer tube 3 and fin 2 are formed into one.
Preferably scheme is, will be one-body molded according to inner tube 1, outer tube 3 and the fin 2 of duct type heat exchanger 100 of the present utility model by extrusion process, and for realizing this integral forming process, mould can adopt the divergent die structure.Utilize extrusion process and integrated inner tube 1, outer tube 3 and fin 2 by employing, so that simple according to duct type heat exchanger processing technology of the present utility model, it is easy that assembling is installed, and it is many and cause the defectives such as maintenance cost height and service life is short to have solved the seal point of traditional plate type heat exchanger.In addition, the extrusion die ratio of the heat exchanger of this kind of Design and manufacture structure is easier to, and reduced production cost, and the attended operation between the heat exchanger is simple, thereby can realize easy installation assembling.
The basic principle that realizes heat exchange according to duct type heat exchanger of the present utility model is described below in conjunction with the structure of the duct type heat exchanger 100 of above-mentioned the first embodiment.As shown in Figure 1, fluid A and the fluid a lower than fluid A temperature are the type of flow of adverse current at heat exchanger 100 interior flow (shown in the arrows among the figure).Fluid A flow through heat exchanger 100 inner tube 1 inside, simultaneously fluid a flows through in the process of the shell that forms between the outside of the inside of outer tube 3 of heat exchanger 100 and inner tube 1, main exchanged heat in the following manner between fluid A and the fluid a: I) inside of fluid A is with the mode exchanged heat of convection current, and the inside of fluid a is with the mode exchanged heat of convection current; II) between the tube wall of fluid A and inner tube 1 by contacting with heat conducting mode exchanged heat, between the tube wall of fluid a and inner tube 1, outer tube 3 and the fin by contacting with heat conducting mode exchanged heat, and between inner tube 1 and the outer tube 3 via be arranged between inner tube 1 and the outer tube 3 fin and with heat conducting mode exchanged heat; II) fluid A and fluid a are by heat radiation mode and inner tube 1, outer tube 3, fin and exchanged heat each other.Fluid A becomes with fluid A homogeneity but the fluid B with different temperatures after flowing out inner tube 1, and fluid a becomes after flowing out outer tube 3 with fluid a homogeneity but the fluid b with different temperatures.Be higher than in the temperature of fluid A in the situation of temperature of fluid a, through after the above-mentioned heat exchange, the temperature of B is lower than the temperature of A, and the temperature of b is higher than the temperature of a, makes thus fluid A and fluid a in heat exchanger 100 interior realization heat exchanges.
Although in this example, the cross section of inner tube 1 and outer tube 3 all is exemplified as circle, but the utility model is not limited to circle, and the cross section of inner tube 1 and outer tube 3 can adopt any rule or irregular closed geometric shape, as long as can carry out processing and manufacturing.The shape of cross section of inner and outer tubes also needn't be identical, can adopt configurations differing from one.
Aspect the employed material of duct type heat exchanger of the present utility model, preferably adopt aluminum alloy materials, the coefficient of heat transfer of aluminum alloy materials is greater than the stainless coefficient of heat transfer, and makes the light cost of quality of heat exchanger low; More preferably adopt Cu alloy material, the Cu alloy material coefficient of heat transfer is far longer than stainless steel, compares with the heat exchanger that adopts stainless steel material to make, and can greatly shorten the heat-exchange time of heat exchanger, thereby significantly improve heat exchange efficiency.
And, by the fin that adopts the extruding integral forming process to make the inner tube outer tube has been formed the self-supporting effect, have high pressure resistant, the advantages such as bulk strength is high, good rigidly, and avoided the needed processing such as deflection plate, baffle plate in the conventional tube shell heat exchanger and installed and fixed and the loaded down with trivial details operation of the needed welding operation of fin etc., thereby realized that processing and fitting operation are simple, and the defective that can effectively avoid flow disturbance to bring.
The second embodiment of duct type heat exchanger
Duct type heat exchanger 100 for the first embodiment, be illustrated as an example of two pipelines (i.e. inner tube 1 and be enclosed within an outer tube 3 of inner tube 1 periphery) example, and the position relationship of inner tube 1 and outer tube 3 arrangement mode that adopted axial line to be located along the same line.But arranging of the number of tubes of duct type heat exchanger of the present utility model and inner and outer tubes is not limited to the structure of the first embodiment.
Below, the duct type heat exchanger 200 according to the utility model the second embodiment is described.Different from the structure of the duct type heat exchanger 100 of the first embodiment is that in the duct type heat exchanger 200 of the second embodiment, the quantity of pipeline is not particularly limited.Specifically, the quantity of inner tube 1 is not limited to one, for example can adopt two or more inner tubes 1, and the quantity of outer tube 3 also is not limited to one, for example can adopt two or more outer tubes 3.And in the heat exchanger 200 of the second embodiment, outer tube 3 is nested with mode in inner tube 1 periphery, and to be not limited to coaxial mode nested, can also adopt other arrangement modes, and for example inner tube 1 is nested in the mode that axial line parallels with outer tube 3.For example, can adopt the structure of two inner tube 1 overcoat outer tubes 3 arranging in the axis parallel mode, also can adopt the structure of three inner tube 1 overcoat outer tubes 3 arranging in the axis parallel mode, perhaps can adopt the structure (as shown in figure 14) of in outer tube 3, arranging four inner tubes 1 by the axis parallel mode.
Other embodiment of duct type heat exchanger
In the duct type heat exchanger 200 of duct type heat exchanger 100 neutralization the second embodiment of the first embodiment, fin 2 is arranged between inner tube 1 and the outer tube 3 with fixed intervals, and is radial distribution at axial vertical cross section.But in duct type heat exchanger of the present utility model, the arrangement of fin 2 is not limited to upper type, also can adopt the structure with on-fixed fin spaced apart, perhaps adopts the structure with on-fixed interval or change interval distribution fin.For example, Figure 11 to Figure 13 illustration with the example of the duct type heat exchanger of change interval distribution fin.
In addition, in according to duct type heat exchanger of the present utility model, thickness, shape, the quantity of fin are not particularly limited.For example, in the duct type heat exchanger 300 shown in Figure 11, fin has the spacing distance of identical thickness and the variation of employing cycle, and in the duct type heat exchanger 300 shown in Figure 12 and Figure 13, fin has the spacing distance of different thickness and the variation of employing cycle.
In addition, in according to duct type heat exchanger of the present utility model, shape and the pattern of fin are not particularly limited.Duct type heat exchanger of the present utility model can use surperficial patternless flat solid fin, also can adopt solid fins ridge design, various shapes with various patterns, can also adopt with non-solid fins various pierced patterns, various shapes, the pattern of fin and decorative pattern can improve the disturbance of air-flow, thereby improve heat exchange efficiency.For example, Fig. 7 to Fig. 8 illustration according to the duct type heat exchanger 300 of the fin of the special-shaped solid construction of employing of the present utility model, wherein, Fig. 7 shows the duct type heat exchanger that adopts the corrugated fin structure, and Fig. 8 shows the duct type heat exchanger that adopts the triangle fin structure.And for example, Fig. 9 and Figure 10 illustration according to the duct type heat exchanger 300 of the fin of the special-shaped non-solid construction of employing of the present utility model, wherein, Fig. 9 shows the duct type heat exchanger that adopts Beautiful Weave Shape corrugated fin structure, and Figure 10 shows the duct type heat exchanger that adopts solid and Beautiful Weave Shape corrugated fin combining structure.
More than provided different examples about quantity, shape, pattern, thickness and the arrangement mode of fin, but management formula heat exchanger of the present utility model is not limited to these sample situations.
In addition, can be connected to connector according to management formula heat exchanger of the present utility model, interconnect thereby will manage the formula heat exchanger by connector, in heat transmission equipment, using.Below in conjunction with above description to duct type heat exchanger structure of the present utility model, the heat transmission equipment according to use duct type heat exchanger of the present utility model is described.
The heat transmission equipment of the first embodiment
In the heat transmission equipment of use according to the first embodiment of duct type heat exchanger of the present utility model, connect by connector between per two continuous heat exchangers, this connector comprises connection orchid, pad and snap ring.Below, be connected the connector and the connected mode thereof that connect two duct type heat exchangers with Fig. 4 with reference to Fig. 3 and be described in detail.
Fig. 3 shows the longitudinal sectional drawing according to the connected mode of the heat transmission equipment of the first embodiment that uses according to duct type heat exchanger of the present utility model.Fig. 4 shows the transverse cross-sectional view according to the connected mode of the heat transmission equipment of the first embodiment of using according to duct type heat exchanger of the present utility model.
As shown in Figure 3 and Figure 4, connector comprises flange 5, pad 4 and snap ring 6.When two duct type heat exchangers connect, between the inner tube 1 that dock and the inner tube 1 and between the outer tube 3 and outer tube 3 that will dock, seal by rubber sheet gasket 4.Are connected with pad by a pair of ring flange 5 between two duct type heat exchangers and connect, ring flange 5 is undertaken spacing by snap ring 6.Snap ring 6 is fixed on the outer tube by the groove that tube-surface outside processes.Described a pair of ring flange 5 by on it with screwed hole 7 connect.
When using heat transmission equipment according to duct type heat exchanger of the present utility model to carry out heat exchange work, once or high-pressure fluid A from the direction of arrow shown in Fig. 3 from inner tube a side inflow of 1, meanwhile, 3 opposite side flows into a secondary fluid a from the direction of arrow shown in Fig. 3 from outer tube, and two kinds of fluids are the type of flow of adverse current.Fluid A flows out from the opposite side of inner tube 1 through inner tube 1, becomes the fluid B with fluid A homogeneity different temperatures, and fluid a flows out through the opposite side of outer tube 3 from outer tube 3, becomes the fluid b with fluid a homogeneity different temperatures.Hot blast such as air-conditioning enters from the inner tube left side, flow out from the inner tube right side, fresh cold wind enters from the outer tube right side, flow out from the outer tube left side, cold fluid and hot fluid is realized heat exchange between the double-skin duct that is formed by the inner and outer tubes socket and fin 2, become cold wind through the hot blast after the heat exchange, fresh cold wind becomes hot blast, realizes thus heat exchange.
In the time will connecting according to two duct type heat exchangers of the present utility model, if the number of fins of each heat exchanger is N (N is natural number), then one of them heat exchanger and another heat exchanger can be kept concentric in the axial direction, (0＜θ＜360/N) mode at degree angle connects but rotate θ with respect to described another heat exchanger along axis.In adopting the heat transmission equipment of this connected mode and since in the fin mutual dislocation of two heat exchangers in the junction of duct type heat exchanger θ degree angle, changed direction of flow, thereby increased the flow disturbance of junction, can increase heat exchange efficiency.
In addition, when the fin number of two continuous heat exchangers and/or arrangement mode differ from one another, also can increase fluid in the disturbance of junction.
According to the heat transmission equipment of the utility model the first embodiment because single pipe layer expose portion when not existing pipeline to change closure, thereby make its effective heat exchange area become large, increased heat exchange efficiency, the connection of pipeline is easy to realize, convenient for maintaining has good energy-saving and emission-reduction economic benefit and social benefit.
The heat transmission equipment of the second embodiment
In the heat transmission equipment of use according to the second embodiment of duct type heat exchanger of the present utility model, connect by connector between per two continuous heat exchangers, this connector comprises flange, clip and O RunddichtringO.Below, be connected the connector and the connected mode thereof that connect two duct type heat exchangers with Fig. 6 with reference to Fig. 5 and be described in detail.
Fig. 5 shows the longitudinal sectional drawing according to the connected mode of the heat transmission equipment of the second embodiment that uses according to duct type heat exchanger of the present utility model.Fig. 6 shows the transverse cross-sectional view according to the connected mode of the heat transmission equipment of the second embodiment of using according to duct type heat exchanger of the present utility model.
As shown in Figure 5 and Figure 6, connector comprises flange 8, clip 9 and O RunddichtringO 10 and 11.When two duct type heat exchangers are connected, between the inner tube 1 that dock and the inner tube 1 and between the outer tube 3 and outer tube 3 that will dock, seal by O RunddichtringO 10 and 11.The interface of two duct type heat exchangers by clip 9 be connected ring flange 8 and connect.Described a pair of ring flange 8 by on it with screwed hole 12 connect.
When using heat transmission equipment according to duct type heat exchanger of the present utility model to carry out heat exchange work, once or high-pressure fluid A from the direction of arrow shown in Fig. 3 from inner tube a side inflow of 1, meanwhile, 3 opposite side flows into a secondary fluid a from the direction of arrow shown in Fig. 3 from outer tube, and two kinds of fluids are the type of flow of adverse current.Fluid A flows out from the opposite side of inner tube 1 through inner tube 1, becomes the fluid B with fluid A homogeneity different temperatures, and fluid a flows out through the opposite side of outer tube 3 from outer tube 3, becomes the fluid b with fluid a homogeneity different temperatures.When overpressure increased, the better tightness of O RunddichtringO can be carried out the heat exchange of high-pressure fluid, and was applied widely.The placement of O RunddichtringO need to be carried out grooving to the inner and outer tubes connecting portion.Enter such as the hot blast of the air-conditioning left side from inner tube 1, flow out from the right side of inner tube 1, fresh cold wind enters from the right side of outer tube 3, flow out from the left side of outer tube 3, cold fluid and hot fluid is realized heat exchange between the double-skin duct that is formed by the inner and outer tubes socket and fin 2, become cold wind through the hot blast after the heat exchange, fresh cold wind becomes hot blast, realizes thus heat exchange.
In the time will connecting according to two duct type heat exchangers of the present utility model, if the number of fins of each heat exchanger is N (N is natural number), then one of them heat exchanger and another heat exchanger can be kept concentric in the axial direction, (O＜θ＜360/N) mode at degree angle connects but rotate θ with respect to described another heat exchanger along axis.In adopting the heat transmission equipment of this connected mode and since in the fin mutual dislocation of two heat exchangers in the junction of duct type heat exchanger θ degree angle, changed direction of flow, thereby increased the flow disturbance of junction, can increase heat exchange efficiency.
In addition, when the fin number of two continuous heat exchangers and/or arrangement mode differ from one another, also can increase fluid in the disturbance of junction.
According to the heat transmission equipment of use of the present utility model duct type heat exchanger of the present utility model, easy for installation, the connector cost is low, and heat exchange efficiency is high, and can work under the adverse circumstances such as high pressure.
Claims (13)
1. duct type heat exchanger, this duct type heat exchanger comprise a plurality of pipelines and are arranged in fin between a plurality of pipelines that this duct type heat exchanger is characterised in that:
Described a plurality of pipeline comprises one or more inner tube and the outer tube that is nested with in described one or more inner tube periphery;
Described fin is radial distribution at the axial vertical cross section of described a plurality of pipelines; And
Described a plurality of pipeline and described fin are formed into one.
2. duct type heat exchanger according to claim 1 is characterized in that,
The axial line of described a plurality of pipelines is located along the same line.
3. duct type heat exchanger according to claim 1 is characterized in that,
The axial line of described a plurality of pipelines is parallel.
4. each described duct type heat exchanger in 3 according to claim 1 is characterized in that,
Described fin is between laterally adjacent inner tube, be radial distribution with fixed intervals with the axial vertical cross section of described a plurality of pipelines between the inner and outer tubes.
5. each described duct type heat exchanger in 3 according to claim 1 is characterized in that,
Described fin is between laterally adjacent inner tube, be radial distribution with the on-fixed interval with the axial vertical cross section of described a plurality of pipelines between the inner and outer tubes.
6. each described duct type heat exchanger in 3 according to claim 1 is characterized in that the two ends of this duct type heat exchanger all can connect connector.
7. duct type heat exchanger according to claim 6 is characterized in that, described connector comprises flange, pad and snap ring.
8. duct type heat exchanger according to claim 6 is characterized in that, described connector comprises flange, clip and O RunddichtringO.
9. heat transmission equipment, described heat transmission equipment comprises duct type heat exchanger as claimed in claim 1.
10. heat transmission equipment according to claim 9, it is characterized in that, when the fin of two duct type heat exchangers connected to one another is arranged and fin number during as N take fixed intervals, make one of them duct type heat exchanger and another duct type heat exchanger keep in the axial direction concentric and make a described duct type heat exchanger with respect to described another heat exchanger along axis rotation θ degree angle, wherein, N is natural number, and θ satisfies 0＜θ＜360/N.
11. according to claim 9 or 10 described heat transmission equipments, it is characterized in that described heat transmission equipment also comprises be used to the connector that connects described duct type heat exchanger.
12. heat transmission equipment according to claim 11 is characterized in that, described connector comprises flange, pad and snap ring.
13. heat transmission equipment according to claim 11 is characterized in that, described connector comprises flange, clip and O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220434137 CN202836268U (en) | 2012-08-29 | 2012-08-29 | Pipe type heat exchanger and heat exchanging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220434137 CN202836268U (en) | 2012-08-29 | 2012-08-29 | Pipe type heat exchanger and heat exchanging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202836268U true CN202836268U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220434137 Expired - Fee Related CN202836268U (en) | 2012-08-29 | 2012-08-29 | Pipe type heat exchanger and heat exchanging device |
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| CN (1) | CN202836268U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629952A (en) * | 2012-08-29 | 2014-03-12 | 洛阳麦达斯铝业有限公司 | Tubular heat exchanger, method for manufacturing tubular heat exchanger and heat exchange equipment |
| CN105324621A (en) * | 2013-06-20 | 2016-02-10 | 株式会社村田制作所 | Gas supply tube and heat processing device |
| WO2018017003A1 (en) * | 2016-07-19 | 2018-01-25 | Volvo Construction Equipment Ab | A heat exchanger and a working machine |
-
2012
- 2012-08-29 CN CN 201220434137 patent/CN202836268U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629952A (en) * | 2012-08-29 | 2014-03-12 | 洛阳麦达斯铝业有限公司 | Tubular heat exchanger, method for manufacturing tubular heat exchanger and heat exchange equipment |
| CN103629952B (en) * | 2012-08-29 | 2016-05-18 | 洛阳麦达斯铝业有限公司 | Duct type heat exchanger, its manufacture method and heat transmission equipment |
| CN105324621A (en) * | 2013-06-20 | 2016-02-10 | 株式会社村田制作所 | Gas supply tube and heat processing device |
| WO2018017003A1 (en) * | 2016-07-19 | 2018-01-25 | Volvo Construction Equipment Ab | A heat exchanger and a working machine |
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