CN1702418A - Shell and tube heat exchanger with plane vortex heat transfer tube bundle - Google Patents
Shell and tube heat exchanger with plane vortex heat transfer tube bundle Download PDFInfo
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- CN1702418A CN1702418A CN 200510012628 CN200510012628A CN1702418A CN 1702418 A CN1702418 A CN 1702418A CN 200510012628 CN200510012628 CN 200510012628 CN 200510012628 A CN200510012628 A CN 200510012628A CN 1702418 A CN1702418 A CN 1702418A
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- refrigerating medium
- tube
- shell
- plane vortex
- heat
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Abstract
This invention relates to a heat exchanger of plane whirl type thermal conduction pipe, which comprises barrel, front cryogen varied flow plate, rear fluid flange plate, thermal conduction pipe and cryogen varied flow plate, wherein the thermal conduction pipe is plane whirl type, the fluid collecting pipe through the central holes of all plane whirl pipes and connects plane whirl pipes; in the middle of the rear fluid flange plate has voltage equalizing room with several cryogen clearing hole, and the outer end of whirl type pipe is connected with the cryogen clearing hole. Such structure can produce centrifugal force when the cryogen flowing in the pipe, limiting the thickness of liquid film and increasing the heat transfer factor; besides, the flow path when the cryogen flow via every thermal conduction pipe are equal, by which can increase the heat exchanging property.
Description
Technical field
The present invention relates to a kind of heat transmission equipment, refer in particular to shell and tube exchanger, promptly shell and tube condenser or shell and tube evaporator are specially shell and tube heat exchanger with plane vortex heat transfer tube bundle.
Background technology
Present heat transmission equipment kind is a lot, shell and tube exchanger, double pipe heat exchanger etc. are arranged, shell and tube exchanger wherein, be shell and tube condenser or shell and tube evaporator, be divided into types such as horizontal, dry type again, heat-transfer pipe in closed shell and tube condenser or the closed shell and tube evaporator is a pipe in upright arrangement, and the heat-transfer pipe in shell and tube condenser or the dry type shell and tube evaporator is a U type pipe.It no matter is horizontal or dry type, the structure of existing shell and tube exchanger (shell and tube condenser or shell and tube evaporator) generally all comprises and has the outlet of refrigerating medium import and refrigerating medium, the cylindrical shell of refrigerant inlet and refrigerant outlet, place refrigerating medium import department in the cylindrical shell, which is provided with the preceding refrigerating medium unsteady flow speed plate of perforation, place refrigerating medium exit in the cylindrical shell, which is provided with the back fluid ring flange in liquid hole, several place in the cylindrical shell, between preceding refrigerating medium unsteady flow speed plate and back fluid ring flange, two heat-transfer pipes that port communicates with refrigerant inlet and refrigerant outlet respectively, between preceding refrigerating medium unsteady flow speed plate and back fluid ring flange, be located in the cylindrical shell at interval, have the refrigerating medium unsteady flow speed plate of perforation on it.Preceding refrigerating medium unsteady flow speed plate is provided with the liquid hole, and back fluid ring flange is provided with the liquid hole, but this liquid hole just is used for passing through refrigerating medium with boring a hole.Refrigerating medium can be cooling water, refrigerated brine etc.Heat-transfer pipe passes refrigerating medium unsteady flow speed plate by the perforation on the refrigerating medium unsteady flow speed plate.Several heat-transfer pipes have just been formed heating surface bank.
The heat exchange those of skill in the art are all the time at the coefficient of heat transfer that improves heat transmission equipment, improve the heat exchange property of heat transmission equipment with this, yet existing heat transmission equipment is because structural defective, have following drawback: (1) is owing to form the length difference of each heat-transfer pipe of heating surface bank, the flow process of the cold-producing medium so flow through in each heat-transfer pipe is inequality, and this situation is disadvantageous to improving the coefficient of heat transfer; (2) the heat-transfer pipe inwall of cold-producing medium in shell and tube exchanger, particularly form film condensation on the heat-transfer pipe inwall in the shell and tube condenser easily, liquid film just, when refrigerant vapour and liquid film flow in the other direction, if flow velocity is too small, liquid film just thickens easily, thermal resistance is increased, thereby reduced the coefficient of heat transfer; Simultaneously, the heat-transfer pipe inwall in the shell and tube exchanger also has oil and adheres on it, forms oil film, and thermal resistance is increased, thereby reduces the coefficient of heat transfer; (3) though the existence of refrigerating medium unsteady flow speed plate has increased the flow process of refrigerating medium, but when the refrigerating medium flow velocity is excessive, form eddy current in refrigerating medium unsteady flow speed plate bottom easily, make the heat-transfer pipe that is positioned at this position not obtain the cooling of refrigerating medium, thereby reduce the coefficient of heat transfer.
Summary of the invention
The present invention further improves the heat exchange property of existing shell and tube exchanger in order to solve the above-mentioned defective that existing shell and tube exchanger exists, and a kind of shell and tube heat exchanger with plane vortex heat transfer tube bundle is provided.
To achieve these goals, the present invention has adopted following technical scheme: a kind of shell and tube heat exchanger with plane vortex heat transfer tube bundle, comprise and have refrigerating medium import and refrigerating medium outlet, the cylindrical shell of refrigerant inlet and refrigerant outlet, place refrigerating medium import department in the cylindrical shell, which is provided with the preceding refrigerating medium unsteady flow speed plate of perforation, place refrigerating medium exit in the cylindrical shell, which is provided with the back fluid ring flange in liquid hole, several place in the cylindrical shell, between preceding refrigerating medium unsteady flow speed plate and back fluid ring flange, two heat-transfer pipes that port communicates with refrigerant inlet and refrigerant outlet respectively, between preceding refrigerating medium unsteady flow speed plate and back fluid ring flange, be located in the cylindrical shell at interval, have the refrigerating medium unsteady flow speed plate of perforation on it; Heat-transfer pipe is a plane vortex type pipe, several plane vortex type pipes stand between preceding refrigerating medium unsteady flow speed plate and the back fluid ring flange, the sealing of one end, the collector tube that the other end is connected with refrigerant outlet runs through the centre bore and the preceding refrigerating medium unsteady flow speed plate of all plane vortex type pipes, the inner port of plane vortex type pipe communicates with collector tube, the plate middle part of back fluid ring flange is provided with all pressures chamber that is connected with refrigerant inlet by taking over, all press the plate of indoor back fluid ring flange to be provided with several cold-producing mediums and pass through the hole, the liquid orifice ring is around the outer setting of all pressing the chamber, the external port of plane vortex type pipe is connected by the hole with cold-producing medium by skirt, the length of each plane vortex type pipe adds the length from the collector tube of its inner port to the collector tube at refrigerant outlet place, adds the length of the skirt that is connected with its external port, all press the chamber width and from all press the taking over of junction, chamber to the equal in length of the adapter of refrigerant inlet; The middle part is provided with the refrigerating medium unsteady flow speed plate that is provided with perforation around the centre bore, centre bore and is arranged at intervals between plane vortex type pipe, and collector tube passes the centre bore of refrigerating medium unsteady flow speed plate.Cold-producing medium is flowed through behind the described shell and tube heat exchanger with plane vortex heat transfer tube bundle, and the flow process of the cold-producing medium in each heat-transfer pipe of flowing through is same journey.So-called plane vortex type pipe is meant that whole body forms at a plane inside spin, and the spatial altitude of whole body is identical.
For the flow velocity of adjusting cold-producing medium and further guarantee the flow through same journey of each heat-transfer pipe of cold-producing medium, can cone type flow guider be set all pressing on the indoor back fluid flange plates, cold-producing medium by the hole be arranged at all press indoor cone type flow guider around back fluid flange plates on.Promptly all press indoor back fluid flange plates to be provided with cone type flow guider, cold-producing medium is arranged on the back fluid flange plates on every side of all pressing indoor cone type flow guider by the hole.Like this, cone type flow guider will all press indoor cold-producing medium to carry out the distribution in speed and path to entering, and has adjusted flow velocity and has guaranteed that cold-producing medium each heat-transfer pipe of flowing through is same journey.
The present invention draws on the basis of exploring experiment for many years, heat-transfer pipe is made into plane vortex type pipe, thereby can make cold-producing medium in pipe, form repeatedly circulation in the flow process and produce centrifugal force, this centrifugal force can destroy the oil film of heat-transfer pipe inwall, absolute limitations liquid film thicken, improved the coefficient of heat transfer, main is, the present invention has realized that the flow process that cold-producing medium flows through in each heat-transfer pipe is identical, has improved the heat exchange property of heat transmission equipment.And, back fluid ring flange has been designed to two-fluid ring flange (promptly having two kinds of fluids to pass through flange simultaneously), guaranteed that more the flow process that cold-producing medium flows through in each heat-transfer pipe is identical, thereby more stably improved the coefficient of heat transfer.The eddy current that refrigerating medium unsteady flow speed plate bottom forms has also thoroughly been stopped in the design of refrigerating medium unsteady flow speed plate, makes the heat-transfer pipe that is positioned at this position also obtain the cooling of cooling water, thereby has improved the coefficient of heat transfer.Use air-conditioning unit of the present invention and FQR-010 type air source heat pump air-conditioner unit under same environment through handle, under the identical situation of input power, detect, heat exchange property of the present invention improves about about 20% than prior art, therefore, the present invention has produced the beyond thought effect of those skilled in the art.
Description of drawings
Fig. 1 is one of structural representation of the present invention;
Fig. 2 is one of structural representation of the present invention;
Fig. 3 is a plane vortex type tubular construction schematic diagram;
Fig. 4 is a refrigerating medium unsteady flow speed plate structure schematic diagram;
The specific embodiment
A kind of shell and tube heat exchanger with plane vortex heat transfer tube bundle, comprise and have refrigerating medium import 1 and refrigerating medium outlet 2, the cylindrical shell 5 of refrigerant inlet 3 and refrigerant outlet 4, place refrigerating medium import 1 place in the cylindrical shell 5, which is provided with the preceding refrigerating medium unsteady flow speed plate 7 of perforation 10, place refrigerating mediums in the cylindrical shell 5 to export 2 places, which is provided with the back fluid ring flange 8 in liquid hole 6, several place in the cylindrical shell 5, between preceding refrigerating medium unsteady flow speed plate 7 and back fluid ring flange 8, two heat-transfer pipes 9 that port communicates with refrigerant inlet 3 and refrigerant outlet 4 respectively, between preceding refrigerating medium unsteady flow speed plate 7 and back fluid ring flange 8, be located in the cylindrical shell 5 at interval, have the refrigerating medium unsteady flow speed plate 19 of perforation 10 on it; Heat-transfer pipe 9 is a plane vortex type pipe, several plane vortex type pipes stand between preceding refrigerating medium unsteady flow speed plate 7 and the back fluid ring flange 8, the sealing of one end, the collector tube 11 that the other end is connected with refrigerant outlet 4 runs through the centre bore 12 and the preceding refrigerating medium unsteady flow speed plate 7 of all plane vortex type pipes, the inner port 13 of plane vortex type pipe communicates with collector tube 11, the plate middle part of back fluid ring flange 8 is provided with by taking over all pressures chambers 15 that are connected with refrigerant inlet 3 14, all press the plate of the back fluid ring flange 8 in the chamber 15 to be provided with several cold-producing mediums by hole 16, liquid hole 6 is around the outer setting of all pressing chamber 15, the external port 17 of plane vortex type pipe is connected by hole 16 with cold-producing medium by skirt 18, the length of each plane vortex type pipe adds the length from the collector tube 11 of its inner port 13 to the collector tube 11 at refrigerant outlet 4 places, adds the length of the skirt 18 that is connected with its external port 17, all press chamber 15 width and from the equal in length of the adapter 14 of all pressing 15 junctions, chamber to the adapter 14 of refrigerant inlet 3; The middle part is provided with the refrigerating medium unsteady flow speed plate 19 that is provided with perforation 10 around the centre bore 18, centre bore 18 and is arranged at intervals between plane vortex type pipe, and collector tube 11 passes the centre bore 18 of refrigerating medium unsteady flow speed plate 19.
For the heat exchange efficiency of enhanced heat exchange device, several ring-type walls can be set at interval at the outer wall of heat-transfer pipe 9 stream device 22, as copper ring, nylon ring etc.
For the flow velocity of adjusting cold-producing medium and further guarantee the flow through same journey of each heat-transfer pipe of cold-producing medium, on the plate of back fluid ring flange 8 that can be in all pressing chamber 15 cone type flow guider 20 is set, cold-producing medium be arranged at by hole 16 cone type flow guider 20 of all pressing in the chamber 15 around the plate of back fluid ring flange 8 on.Promptly all press the plate of the back fluid ring flange 8 in the chamber 15 to be provided with cone type flow guider 20, cold-producing medium be arranged at by hole 16 cone type flow guider 20 of all pressing in the chamber 15 around the plate of back fluid ring flange 8 on.
When above-mentioned shell and tube heat exchanger with plane vortex heat transfer tube bundle is used as condenser, because the effect of condenser is that high temperature and high pressure gaseous refrigerant is condensed into liquid refrigerant, so in order to make liquid refrigerant further cold excessively, improve its heat-transfer effect, collector tube 11 is connected with refrigerant outlet 4 by a three-dimensional screw type subcooler 21.So just can guarantee heat exchange property.So-called three-dimensional spiral type pipe is meant body in spiral, and its spatial altitude is also raising.
Claims (5)
1, a kind of shell and tube heat exchanger with plane vortex heat transfer tube bundle, comprise and have refrigerating medium import (1) and refrigerating medium outlet (2), the cylindrical shell (5) of refrigerant inlet (3) and refrigerant outlet (4), place the interior refrigerating medium import (1) of cylindrical shell (5) to locate, which is provided with the preceding refrigerating medium unsteady flow speed plate (7) of perforation (10), place the interior refrigerating medium outlet (2) of cylindrical shell (5) to locate, which is provided with the back fluid ring flange (8) in liquid hole (6), several place in the cylindrical shell (5), before being positioned between refrigerating medium unsteady flow speed plate (7) and the back fluid ring flange (8), two heat-transfer pipes (9) that port communicates with refrigerant inlet (3) and refrigerant outlet (4) respectively, before being positioned between refrigerating medium unsteady flow speed plate (7) and the back fluid ring flange (8), be located in the cylindrical shell (5) at interval, have the refrigerating medium unsteady flow speed plate (19) of perforation (10) on it; It is characterized in that: heat-transfer pipe (9) is a plane vortex type pipe, several plane vortex type pipes stand between preceding refrigerating medium unsteady flow speed plate (7) and the back fluid ring flange (8), the sealing of one end, the collector tube (11) that the other end is connected with refrigerant outlet (4) runs through the centre bore (12) and the preceding refrigerating medium unsteady flow speed plate (7) of all plane vortex type pipes, the inner port (13) of plane vortex type pipe communicates with collector tube (11), the plate middle part of back fluid ring flange (8) is provided with by taking over all pressures chamber (15) that (14) are connected with refrigerant inlet (3), all press the plate of the back fluid ring flange (8) in the chamber (15) to be provided with several cold-producing mediums by hole (16), liquid hole (6) is around the outer setting of all pressing chamber (15), the external port (17) of plane vortex type pipe is connected by hole (16) with cold-producing medium by skirt (18), the length of each plane vortex type pipe adds the length of the collector tube of locating from collector tube (11) to the refrigerant outlet (4) of its inner port (13) (11), adds the length of the skirt (18) that is connected with its external port (17), all press chamber (15) width and from the equal in length of the adapter (14) of all pressing junction, chamber (15) to the adapter (14) of refrigerant inlet (3); The middle part is provided with the refrigerating medium unsteady flow speed plate (19) that centre bore (18), centre bore (18) be provided with perforation (10) on every side and is arranged at intervals between plane vortex type pipe, and collector tube (11) passes the centre bore (18) of the fast plate of refrigerating medium unsteady flow (19).
2, shell and tube heat exchanger with plane vortex heat transfer tube bundle according to claim 1, it is characterized in that: the outer wall of heat-transfer pipe (9) is provided with several ring-type walls at interval and streams device (22).
3, shell and tube heat exchanger with plane vortex heat transfer tube bundle as claimed in claim 1 or 2, it is characterized in that: all press the plate of the back fluid ring flange (8) in the chamber (15) to be provided with cone type flow guider (20), cold-producing medium is arranged on the plate of the back fluid ring flange (8) on every side of all pressing the interior cone type flow guider (20) in chamber (15) by hole (16).
4, shell and tube heat exchanger with plane vortex heat transfer tube bundle as claimed in claim 1 or 2, it is characterized in that: collector tube (11) is connected with refrigerant outlet (4) by a three-dimensional screw type subcooler (21).
5, as shell and tube heat exchanger with plane vortex heat transfer tube bundle as described in the claim 3, it is characterized in that: collector tube (11) is connected with refrigerant outlet (4) by a three-dimensional screw type subcooler (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100126284A CN100390486C (en) | 2005-06-24 | 2005-06-24 | Shell and tube heat exchanger with plane vortex heat transfer tube bundle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100126284A CN100390486C (en) | 2005-06-24 | 2005-06-24 | Shell and tube heat exchanger with plane vortex heat transfer tube bundle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1702418A true CN1702418A (en) | 2005-11-30 |
| CN100390486C CN100390486C (en) | 2008-05-28 |
Family
ID=35632297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100126284A Expired - Fee Related CN100390486C (en) | 2005-06-24 | 2005-06-24 | Shell and tube heat exchanger with plane vortex heat transfer tube bundle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100390486C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458315C (en) * | 2007-09-21 | 2009-02-04 | 东南大学 | Condenser of gravitational force refluxing type ammonia water absorbing refrigerator |
| CN102937345A (en) * | 2012-11-13 | 2013-02-20 | 浙江大学 | Heat pump type vortex tube and heat exchange system with same |
| CN112033194A (en) * | 2020-08-26 | 2020-12-04 | 胡志鹏 | Coke oven waste heat multi-group utilization system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3320632A1 (en) * | 1983-06-08 | 1984-12-13 | Hoechst Ag, 6230 Frankfurt | HEAT EXCHANGER |
| IT1169547B (en) * | 1983-08-12 | 1987-06-03 | Alfredo Cavalli | COIL OF CIRCULATION OF A REFRIGERANT FLUID, ESPECIALLY AS EVAPORATOR FOR A REFRIGERANT CIRCUIT |
| CN2031903U (en) * | 1988-01-31 | 1989-02-01 | 浙江丝绸工学院 | Flat spiral tube type heat exchanger |
| CN2225655Y (en) * | 1995-04-19 | 1996-04-24 | 张吉孟 | Hot water exchanger for household tubular radiator |
| CN2800211Y (en) * | 2005-06-24 | 2006-07-26 | 郑引河 | Shell-tube type heat exchanger with plane vortex type heat transfer tube cluster |
-
2005
- 2005-06-24 CN CNB2005100126284A patent/CN100390486C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458315C (en) * | 2007-09-21 | 2009-02-04 | 东南大学 | Condenser of gravitational force refluxing type ammonia water absorbing refrigerator |
| CN102937345A (en) * | 2012-11-13 | 2013-02-20 | 浙江大学 | Heat pump type vortex tube and heat exchange system with same |
| CN112033194A (en) * | 2020-08-26 | 2020-12-04 | 胡志鹏 | Coke oven waste heat multi-group utilization system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100390486C (en) | 2008-05-28 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Henan Baotianman air conditioning equipment Co. Assignor: Zheng Yinhe Contract record no.: 2011410000134 Denomination of invention: Shell and tube heat exchanger with plane vortex heat transfer tube bundle Granted publication date: 20080528 License type: Exclusive License Open date: 20051130 Record date: 20110906 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20130624 |