CN101363694A - Shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube - Google Patents

Shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube Download PDF

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Publication number
CN101363694A
CN101363694A CNA2008101506886A CN200810150688A CN101363694A CN 101363694 A CN101363694 A CN 101363694A CN A2008101506886 A CNA2008101506886 A CN A2008101506886A CN 200810150688 A CN200810150688 A CN 200810150688A CN 101363694 A CN101363694 A CN 101363694A
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China
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tube
shell
outlet
import
heat exchange
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Pending
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CNA2008101506886A
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Chinese (zh)
Inventor
吴峰
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Xian Shiyou University
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Xian Shiyou University
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Priority to CNA2008101506886A priority Critical patent/CN101363694A/en
Publication of CN101363694A publication Critical patent/CN101363694A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a shell and tube heat exchanger with fluid media duplex helicoidal flowing inside and outside a heat exchange tube, which consists of a shell sealed by an end enclosure, a shell side inlet and a shell side inlet which are arranged on the side wall of the shell, a close board A and a close board B which are arranged on two ends inside the shell, a tube side inlet and a tube side outlet which arranged on the end enclosure, a traverse baffle arranged inside the shell, and a plurality of heat exchange tubes which are arranged between the close board A and the close board B in parallel, wherein, heat exchange tube comprises an outer tube, a core tube and an inner fin which is circularly embedded between the outer tube and the core tube around the tube core; the traverse baffle is a helical traverse baffle communicating the shell side inlet and the shell side outlet; the traverse baffle, the shell side inlet and the shell side outlet form a vertical helical type shell side circulating channel; the inner fin is formed by bending a corrugated inner fin plate, and a vertical helical type inner fin tube between the outer tube and the core tube is formed; and the vertical helical type inner fin tube is communicated with the tube side inlet and the tube side outlet to form a circulating channel in tube. The invention has a simple and reasonable structure, and can decrease the occurring of low flow resistance and scale formation while strengthening the performance of heat transfer and heat exchange of shell side and tube side.

Description

Shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube
Technical field
The present invention relates to a kind of shell and tube exchanger, especially relate to a kind of shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube.
Background technology
In industry such as oil refining, chemical industry, environmental protection, the energy, electric power, heat exchanger is a kind of important unit, and in the construction in chemical plant, heat exchanger accounts for the 10-20% of gross investment usually; Especially in the construction of oil plant, heat exchanger accounts for the 35-40% of whole technological equipment investment.Wherein, shell-and-tube heat exchanger accounts for 37% of world's heat exchanger market total value again.In shell-and-tube heat exchanger, a kind of fluid flows in pipe, and one other fluid flows at shell-side, and carries out exchange heat by pipe.Simultaneously, shell-side is furnished with deflection plate, and deflection plate is that pipe provides support, also make simultaneously fluid by specific channel flow to improve its heat-transfer character.
There are a lot of problems in tradition bow type deflection plate: 1. bow type deflection plate makes fluid vertical impact shell wall side, causes bigger along the journey pressure drop; 2. deflection plate and shell wall side joint produce the stagnation dead band of flowing, and have reduced heat exchange efficiency, and fouling easily; 3. there is leakage current between deflection plate and the shell wall side and between heat exchanger tube and the deflection plate, make shell-side exist bigger bypass to flow, and by-pass flow and leakage current reduced the mass flow of effective cross-flow tube bank, so reduced the heat exchange efficiency of shell-side; 4. the high flow rate fluid is horizontal plunders the vibration that heat-exchanging tube bundle can be induced heat exchanger tube, has shortened the life-span of heat exchanger.
The sixties in 20th century, existing scholar has proposed the thought of spiral baffle heat exchanger.Spiral baffle heat exchanger is that arrangement of baffles is become approximate helicoid, makes shell fluid in the heat exchanger be continuous helical form and flows, to realize reducing effectively the flow resistance of shell-side and the purpose of augmentation of heat transfer.In addition, it is crucial equally to develop new and effective enhanced heat transfer component in the energy-efficient problem that realizes heat exchanger, and the research of enhanced heat transfer component is the basis that new and effective heat transmission equipment manufactures and designs.Therefore, appropriate design development of new high-performance heat exchanger realizes that simultaneously shell-tube type heat exchange shell-side and pipe side are heat conduction reinforced, can effectively reduce flow resistance and scale formation again, and the whole heat exchange property that improves heat exchanger is for energy-saving and cost-reducing significant.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned deficiency of the prior art, a kind of shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube is provided, it is simple and reasonable, when strengthening shell-side and the heat transfer of pipe side, heat exchange property, can effectively reduce flow resistance and scale formation again.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube, by the housing that seals by two ends, left and right sides end socket, be arranged on shell side import and shell side outlet on the housing sidewall, lay respectively at the shrouding one and the shrouding two at enclosure interior two ends, be arranged on tube side import and tube side outlet on the described end socket, the deflection plate and a plurality of heat exchanger tube that is installed in parallel in two of shrouding one and shroudings that are arranged on enclosure interior are formed, and correspondingly on described shrouding one and the shrouding two have a plurality of through holes that pass for heat exchanger tubes; Described heat exchanger tube comprise the outer tube that wears with one heart and core pipe and at the two spaced winding tube core around the inner fin that is embedded, adopt soldering to be connected between described inner fin and outer tube and the core pipe, it is characterized in that: described deflection plate is for being communicated with the helical baffles of shell side import and shell side outlet, the shell-side circulation passage of longitudinal spiral formula is formed in described shell side import, helical baffles and shell side outlet, fixedly connected between the outer ledge of helical baffles and the inwall of housing sidewall, correspondingly on the helical baffles have a plurality of through holes that pass for heat exchanger tubes;
Described inner fin is formed and forms a longitudinal spiral formula internally finned tube between outer tube and core pipe by the bending of ripple inner fin plate, be distributed with a plurality of longitudinal spiral formula circulation passages on the described longitudinal spiral formula internally finned tube, described longitudinal spiral formula circulation passage is communicated with tube side import and tube side outlet and forms circulation passage in the pipe.
Described tube side import and tube side outlet all are positioned on the same end socket, corresponding tube side import of the interior circulation passage of described pipe and tube side outlet are divided into two circulation passages, and an interior circulation passage of two-tube-pass pipe of formula is back and forth formed in described two circulation passages and tube side import and tube side outlet.
Described tube side import and tube side outlet all are positioned on the right end socket of housing right-hand member, are provided with a dividing plate between described shrouding two and the right end socket, and dividing plate is arranged on the center between shrouding two and the right end socket.
All adopt seamless soldering to be connected between described dividing plate and shrouding two and the right end socket.
Described tube side import and tube side outlet lay respectively on two end sockets at two ends, the housing left and right sides, the interior circulation passage of single tube journey pipe of an one-way fashion of described tube side import and tube side outlet and described longitudinal spiral formula circulation passage composition.
In the described helical baffles circulation dielectric viscosity big more, its helical corrugation is sparse more.
The helical corrugation of described helical baffles is shaped as the consecutive periods function, helical baffles is deflection plate that the continuous helical sheet constitutes or the deflection plate that is formed by a plurality of flights overlap joints, and helical baffles is that single coil configuration, double-spiral structure or many helical structures and itself and shell side import and shell side export single-screw of corresponding composition, double helix or how screw type shell-side circulation passage.
The lines and the angle between horizontal direction of described ripple inner fin Lamb wave line are α, wherein 15 °≤α≤85 °; The bellows-shaped of described ripple is the consecutive periods function, and its vertical panel height equates with spacing between outer tube and the core pipe; The dielectric viscosity that is circulated in the described inner fin is big more, and the ripple of described ripple inner fin plate is sparse more, and the wavelength X of described ripple is big more, and the quantity of described longitudinal spiral formula circulation passage is few more, and α is big more;
In the described helical baffles circulation dielectric viscosity big more, its helical corrugation is sparse more, the quantity of described longitudinal spiral formula circulation passage is few more.
Described housing is cylindrical.
The present invention compared with prior art has the following advantages, 1, simple and reasonable, processing and fabricating is convenient and use easy and simple to handle, simultaneously, the kind of made heat exchanger is various, can be monoshell Cheng Dan tube side, the many tube sides of monoshell journey and muitishell multitube journey class heat exchanger, the import and export Position Design of all kinds of heat exchanger cold fluid and hot fluids is decided according to the particular type of heat exchanger; 2, adopt outer fluid helical flow structural design in the heat exchanger tube, realize two longitudinal spiral motions of heat exchanger shell-side and tube fluid, its shell-side helical baffles is single-screw, double helix or many helical structures; Heat exchanger tube is a longitudinal spiral inner fin tube, form by outer tube, core pipe (stop up or do not stop up) and vertical continuous helical inner fin passage, and the corrugated fin plate of longitudinal spiral inner fin tube is zigzag, ripple type etc., the media flow direction rotatablely moves for the longitudinal spiral shape in its pipe, strengthened the disturbance of flow boundary layer greatly, and the mixing of promotion boundary layer fluid and main flow fluid, strengthen heat convection; Thereby not only increased the heat transfer area of heat exchanger, and make heat exchanger structure compact more, and improve heat exchange efficiency, lowered the flow resistance of fluid; 3, reduced scale formation in shell-side and the shop, alleviated the vibration of heat exchanger tube, thereby increased the service life of heat exchanger greatly; 4, by continuous perforate or seam on ripple inner fin plate and/or helical baffles, effective destruction of realizing oils high viscosity fluid flow boundary layer and temperature boundary layer strengthens disturbance, thus the heat convection in efficient hardening shell-side and the pipe.In a word, the present invention can effectively reduce flow resistance and scale formation again when strengthening shell-side and the heat transfer of pipe side, heat exchange property.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the present invention's first preferred implementation.
Fig. 2 is the structural representation of upper half-space heat exchanger tube among Fig. 1.
Fig. 3 is the structural representation of lower half-space heat exchanger tube among Fig. 1.
Fig. 4 is the structural representation of ripple inner fin plate in the heat exchanger tube of the present invention.
Fig. 5 is the overall structure schematic diagram of the present invention's second preferred implementation.
Fig. 6 is the overall structure schematic diagram of the present invention's the 3rd preferred implementation.
Description of reference numerals:
1-housing; 2-left end socket; 3-right end socket;
4-baffle plate one; 5-baffle plate two; 6-dividing plate;
7-heat exchanger tube; 8-helical baffles; 9-through hole;
The import of 10-tube side; The outlet of 11-tube side; The import of 12-shell side;
The outlet of 13-shell side; 14-outer tube; 15-core pipe;
16-inner fin.
The specific embodiment
Embodiment 1
As shown in Figure 1, the present invention is by being the housing 1 that seals of left end socket 2 and right end socket 3 by the two ends end socket, being arranged on shell side import 12 on housing 1 sidewall and shell side outlet 13, the shrouding 1 that lays respectively at housing 1 inner two ends and shrouding 25, all being arranged on one group of tube side import 10 and tube side outlet 11 on the right end socket 3, the deflection plate that is arranged on housing 1 inside and a plurality of heat exchanger tube 7 that is installed in parallel in 25 of shrouding 1 and shroudings and forming.Wherein, shell side import 12 and shell side outlet 13 lays respectively at the sidewall two ends of housing 1.Correspondence has a plurality of through holes 9 that supply heat exchanger tube 7 to pass on described shrouding 1 and the shrouding 25, does not have seam welding between heat exchanger tube 7 outer walls and the through hole 9, forms parallel tube passage between shrouding 1 and shrouding 25.In addition, housing 1 is columniform shell.Seamlessly between the periphery of its shrouding 1 and shrouding 25 and the inwall of housing 1 weld together.
In the present embodiment, shell side import 12 is positioned at the left end of housing 1 sidewall, and shell side outlet 13 is positioned at the right-hand member of housing 1 sidewall; In addition, deflection plate is for being communicated with the helical baffles 8 of shell side import 12 and shell side outlet 13, that is to say, shell-side circulation passage and helical baffles 8 that a longitudinal spiral formula is formed in shell side import 12, helical baffles 8 and shell side outlet 13 are single coil configuration, fixedlying connected between the inwall of the outer ledge of its helical baffles 8 and housing 1 sidewall, specifically is to carry out seal welding by seamless soldering to fix.Simultaneously, correspondence has a plurality of through holes 9 that supply heat exchanger tube 7 to pass on the helical baffles 8, will be fixed between shrouding 1 and the shrouding 25 by a plurality of heat-exchanging tube bundles of forming for heat exchanger tube 7 by passing helical baffles 8 like this.In practical work process, a kind of heat exchanging fluid enters from the shell side import 12 in left side, and the shell side space of being made up of helical baffles 8 and housing 1 inwall through heat exchanger inside is promptly behind from left to right the spiral circulation passage, from shell side outlet 13 outflows on right side.
In addition, the helical corrugation of helical baffles 8 is shaped as the consecutive periods function, helical baffles 8 is deflection plate that the continuous helical sheet constitutes or the deflection plate that is formed by a plurality of flights overlap joints, and helical baffles 8 is single coil configuration, double-spiral structure or many helical structures and its of corresponding composition, two or more longitudinal spiral formula circulation passage.In actual application, in the helical baffles 8 circulation dielectric viscosity big more, its helical corrugation is sparse more.That is to say, when circulation in the helical baffles 8 dielectric viscosity when bigger, then corresponding employing single-screw or double-spiral structure; And in helical baffles 8 circulation dielectric viscosity hour, then can the many helical structures of corresponding employing.In the present embodiment, helical baffles 8 is a single coil configuration.
In conjunction with Fig. 2, Fig. 3, described heat exchanger tube 7 comprise the outer tube 14 that wears with one heart and core pipe 15 and at the two spaced winding tube core around the inner fin 16 that is embedded, adopt soldering to be connected between described inner fin 16 and outer tube 14 and the core pipe 15.Wherein, described inner fin 16 is formed by the bending of ripple inner fin plate and form a columned longitudinal spiral formula internally finned tube between outer tube 14 and core pipe 15, is distributed with a plurality of longitudinal spiral formula circulation passages on its longitudinal spiral formula internally finned tube.Described longitudinal spiral formula circulation passage is communicated with tube side import 10 and tube side outlet 11 and forms circulation passage in the pipe.
In conjunction with Fig. 4, the lines of ripple inner fin Lamb wave line and the angle of horizontal direction are α, wherein 15 °≤α≤85 °.The ripple of ripple inner fin plate is a zigzag or corrugated, and ripple inner fin plate can be metallic plates such as copper, steel or aluminium.In this specific embodiment, its ripple is a sinusoidal waveform.The bellows-shaped of its ripple inner fin plate is the consecutive periods function, and to be sinusoidal wave amplitude equate with spacing between outer tube 14 and the core pipe 15 vertical panel height of its ripple.The dielectric viscosity that is circulated in the described inner fin 16 is big more, and the ripple of described ripple inner fin plate is sparse more, and the wavelength X of described ripple is big more, and the quantity of described longitudinal spiral formula circulation passage is few more, and α is big more; Vice versa, and it is more little promptly to work as the dielectric viscosity that is circulated, and the ripple of described ripple inner fin plate is intensive more, and the wavelength X of described ripple is more little, and the quantity of described longitudinal spiral formula circulation passage is many more, and α is more little.
In the present embodiment, it is on the right end socket 3 that tube side import 10 and tube side outlet 11 all are positioned at same end socket, be provided with a dividing plate 6 between shrouding 25 and the right end socket 3, dividing plate 6 is horizontally set on the center between shrouding 25 and the right end socket 3, and do not have seam welding between the inwall of dividing plate 6 and shrouding 25, right end socket 3 and housing 1, circulation passage was divided into two parts up and down in so corresponding tube side import 10 and tube side outlet 11 will be managed.Wherein, tube side import 10 is positioned at a plurality of heat exchanger tubes 7 of the top of right end socket 3 and itself and dividing plate 6 tops and forms the upper tube circulation passages, be that circulation passage communicates with tube side import 10 in the upper tube, again because helical baffles 8 is spiral from left to right, then a plurality of heat exchanger tubes 7 in the circulation passage are spiral (seeing Fig. 3 for details) from right to left in the upper tube, and itself and shell-side circulation passage are incorgruous spiral; Accordingly, tube side outlet 11 is positioned at a plurality of heat exchanger tubes 7 composition lower tube circulation passages of the bottom of right end socket 3 and itself and dividing plate 6 belows, be that circulation passage communicates with tube side outlet 11 in the lower tube, thereby a plurality of heat exchanger tubes 7 in the circulation passage are spiral (seeing Fig. 2 for details) from left to right in the lower tube, and itself and shell-side circulation passage are spiral in the same way, to sum up, the interior circulation passage of circulation passage and lower tube is formed an interior circulation passage of two-tube-pass pipe of formula back and forth in its upper tube.In the actual application, another kind of heat exchanging fluid flows into from tube side import 10, behind circulation passage in circulation passage in the upper tube and the lower tube, flows out from tube side outlet 11.Like this, circulation passage is formed an interior circulation passage of two-tube-pass pipe of formula back and forth in outlet 11 of tube side import 10 and tube side and the upper and lower part pipe.
To sum up, in the present embodiment, heat exchanger is monoshell journey two-tube-pass heat exchanger and its structural design by outer fluid helical flow in the heat exchanger tube 7, has realized two longitudinal spiral motions of heat exchanger shell-side and tube fluid.
Embodiment 2
As shown in Figure 5, in the present embodiment, the quantity of described tube side import 10 and tube side outlet 11 is one group, and tube side import 10 and tube side outlet 11 lay respectively on two end sockets at two ends, housing 1 left and right sides, specifically be that tube side import 10 is positioned on the right end socket 3, tube side outlet 11 is positioned on the left end socket 2, and between shrouding 25 and the right end socket 3 dividing plate 6 is not set, like this, described longitudinal spiral formula circulation passage is communicated with tube side import 10 and tube side outlet 11 and forms an interior circulation passage of one-way fashion pipe of spiral from right to left; The structure of remainder, annexation, function etc. are all identical with embodiment 1.That is to say, the difference part of present embodiment and embodiment 1 is: described tube side import 10 and tube side outlet 11 lay respectively on two end sockets, the two and described longitudinal spiral formula circulation passage are formed circulation passage in the single tube journey pipe of an one-way fashion, and circulation passage and shell-side circulation passage are incorgruous spiral in the described pipe.In the actual processing and making process, also circulation passage in the described pipe and shell-side circulation passage can be made as spiral in the same way, at this moment, tube side import 10 is positioned on the left end socket 2, and tube side outlet 11 is positioned on the right end socket 3.
To sum up, in the present embodiment, this heat exchanger is monoshell journey single tube pass heat exchanger and its structural design by outer fluid helical flow in the heat exchanger tube 7, has realized two longitudinal spiral motions of heat exchanger shell-side and tube fluid.
Embodiment 3
As shown in Figure 6, in the present embodiment, be in series by two heat exchangers and form, its heat exchanging fluid flows into from the shell side import 12 of one of them heat exchanger, behind the shell-side circulation passage that forms through helical baffles 8, flows out from the shell side outlet 13 of this heat exchanger; Simultaneously, the shell side of this heat exchanger outlet 13 is communicated with the shell side import 12 of another heat exchanger, therefore, heat exchanging fluid flows into from the shell side import 12 of another heat exchanger again, same through behind the shell-side circulation passage, flow out from its shell side outlet 13, like this, just form a bivalve journey circulation passage of formula back and forth.Specifically: the shell side import 12 of a last heat exchanger is positioned at the left side of housing 1, and its shell side outlet 13 is positioned at the right side of housing 1; Accordingly, the shell side import 12 of next heat exchanger is positioned at the right side of housing 1, and its shell side outlet 13 is positioned at the left side of housing 1.That is to say that the shell side import 12 in left side is the general import of shell-side heat exchanging fluid, and the shell side in left side outlet 13 is the general export of shell-side heat exchanging fluid; The shell side import 12 on right side and shell side outlet 13 are connected.To sum up, the longitudinal spiral formula shell-side circulation passage that helical baffles 8 in the last heat exchanger forms from left to right, and the helical baffles 8 in the next heat exchanger forms the longitudinal spiral formula shell-side circulation passage of right-to-left, like this, two heat exchangers that are in series are connected and form a bivalve journey circulation passage of formula back and forth.
In addition, the quantity of the tube side import 10 of two heat exchangers and tube side outlet 11 is one group and the two, and all to be positioned at same end socket be on the right end socket 3, and the concrete structure of its each heat exchanger inside is identical with embodiment 1; In addition, the tube side import 10 of a last heat exchanger is the general import of intraductal heat exchange fluid, and the tube side of this heat exchanger outlet 11 is connected with the tube side import 10 of next heat exchanger, and the tube side of next heat exchanger to export 11 be the general export of intraductal heat exchange fluid.To sum up, two final two interior circulation passages of pipe of formula back and forth, circulation passages in the pipe of one 4 tube side of promptly whole formation formed of the heat exchanger that is in series.In actual application, also can realize a plurality of heat exchangers are in series successively, finally realize the heat exchanger structure of a muitishell multitube journey.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, everyly any simple modification that above embodiment did, change and equivalent structure changed, all still belong in the protection domain of technical solution of the present invention according to the technology of the present invention essence.

Claims (9)

1. shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube, by the housing (1) that seals by two ends, left and right sides end socket, be arranged on shell side import (12) and shell side outlet (13) on housing (1) sidewall, lay respectively at the shrouding one (4) and the shrouding two (5) at the inner two ends of housing (1), be arranged on tube side import (10) and tube side outlet (11) on the described end socket, be arranged on the inner deflection plate of housing (1) and a plurality of heat exchanger tube (7) composition that is installed in parallel between shrouding one (4) and shrouding two (5), described shrouding one (4) and shrouding two (5) are gone up correspondence and are had a plurality of through holes (9) that supply heat exchanger tube (7) to pass; Described heat exchanger tube (7) comprise the outer tube (14) that wears with one heart and core pipe (15) and at the two spaced winding tube core around the inner fin that is embedded (16), adopt soldering to be connected between described inner fin (16) and outer tube (14) and the core pipe (15), it is characterized in that: described deflection plate is for being communicated with the helical baffles (8) of shell side import (12) and shell side outlet (13), described shell side import (12), the shell-side circulation passage of longitudinal spiral formula is formed in helical baffles (8) and shell side outlet (13), fixedly connected between the inwall of the outer ledge of helical baffles (8) and housing (1) sidewall, helical baffles (8) is gone up correspondence and is had a plurality of through holes (9) that pass for heat exchanger tubes (7);
Described inner fin (16) is formed and forms a longitudinal spiral formula internally finned tube between outer tube (14) and core pipe (15) by the bending of ripple inner fin plate, be distributed with a plurality of longitudinal spiral formula circulation passages on the described longitudinal spiral formula internally finned tube, described longitudinal spiral formula circulation passage is communicated with tube side import (10) and tube side outlet (11) and forms circulation passage in the pipe.
2. according to the described shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube of claim 1, it is characterized in that: described tube side import (10) and tube side outlet (11) all are positioned on the same end socket, corresponding tube side import (10) of the interior circulation passage of described pipe and tube side outlet (11) are divided into two circulation passages, and an interior circulation passage of two-tube-pass pipe of formula is back and forth formed in described two circulation passages and tube side import (10) and tube side outlet (11).
3. according to the described shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube of claim 1, it is characterized in that: described tube side import (10) and tube side outlet (11) all are positioned on the right end socket (3) of housing (1) right-hand member, be provided with a dividing plate (6) between described shrouding two (5) and the right end socket (3), dividing plate (6) is arranged on the center between shrouding two (5) and the right end socket (3).
4. according to the described shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube of claim 3, it is characterized in that: all adopt seamless soldering to be connected between described dividing plate (6) and shrouding two (5) and the right end socket (3).
5. according to the described shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube of claim 1, it is characterized in that: described tube side import (10) and tube side outlet (11) lay respectively on two end sockets at housing (1) two ends, the left and right sides, the interior circulation passage of single tube journey pipe of an one-way fashion of described tube side import (10) and tube side outlet (11) and described longitudinal spiral formula circulation passage composition.
6. according to the described shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube of each claim in the claim 1 to 5, it is characterized in that: in the described helical baffles (8) circulation dielectric viscosity big more, its helical corrugation is sparse more.
7. according to the described shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube of each claim in the claim 1 to 5, it is characterized in that: the helical corrugation of described helical baffles (8) is shaped as the consecutive periods function, helical baffles (8) is deflection plate that the continuous helical sheet constitutes or the deflection plate that is formed by a plurality of flights overlap joints, and helical baffles (8) be that single coil configuration, double-spiral structure or many helical structures and itself and shell side import (12) and shell side export single-screw of (13) corresponding composition, double helix or how screw type shell-side circulation passage.
8. according to the described shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube of each claim in the claim 1 to 5, it is characterized in that: the lines and the angle between horizontal direction of described ripple inner fin Lamb wave line are α, wherein 15 °≤α≤85 °; The bellows-shaped of described ripple is the consecutive periods function, and its vertical panel height equates with spacing between outer tube (14) and the core pipe (15); The dielectric viscosity that is circulated in the described inner fin (16) is big more, and the ripple of described ripple inner fin plate is sparse more, and the wavelength X of described ripple is big more, and the quantity of described longitudinal spiral formula circulation passage is few more, and α is big more;
In the described helical baffles (8) circulation dielectric viscosity big more, its helical corrugation is sparse more, the quantity of described longitudinal spiral formula circulation passage is few more.
9. according to the described shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube of each claim in the claim 1 to 5, it is characterized in that: described housing (1) is for cylindrical.
CNA2008101506886A 2008-08-21 2008-08-21 Shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube Pending CN101363694A (en)

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CNA2008101506886A CN101363694A (en) 2008-08-21 2008-08-21 Shell-pipe head exchanger by double helix flowing of fluid medium in or out of heat exchange tube

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103575156A (en) * 2012-07-19 2014-02-12 上海典诗诚金能源科技有限公司 Heat exchanger
CN104132485A (en) * 2014-05-16 2014-11-05 河南新科隆电器有限公司 Spiral louver condenser of multilayer space structure
CN106123373A (en) * 2015-10-29 2016-11-16 于仁麟 The hot water storage tank that a kind of fin extends to different directions
CN106767007A (en) * 2016-11-25 2017-05-31 中国核动力研究设计院 The heat exchanger of pointed structures is set outside a kind of pipe

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103575156A (en) * 2012-07-19 2014-02-12 上海典诗诚金能源科技有限公司 Heat exchanger
CN104132485A (en) * 2014-05-16 2014-11-05 河南新科隆电器有限公司 Spiral louver condenser of multilayer space structure
CN104132485B (en) * 2014-05-16 2016-08-24 河南新科隆电器有限公司 A kind of spiral shutter condenser of multilamellar space structure
CN106123373A (en) * 2015-10-29 2016-11-16 于仁麟 The hot water storage tank that a kind of fin extends to different directions
CN106123373B (en) * 2015-10-29 2018-05-25 于仁麟 The hot water storage tank that a kind of fin extends to different directions
CN106767007A (en) * 2016-11-25 2017-05-31 中国核动力研究设计院 The heat exchanger of pointed structures is set outside a kind of pipe
CN106767007B (en) * 2016-11-25 2017-09-15 中国核动力研究设计院 The heat exchanger of pointed structures is set outside a kind of pipe

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