CN201293597Y - Electric field intensification heat transmission heat exchanger - Google Patents
Electric field intensification heat transmission heat exchanger Download PDFInfo
- Publication number
- CN201293597Y CN201293597Y CNU2008201907054U CN200820190705U CN201293597Y CN 201293597 Y CN201293597 Y CN 201293597Y CN U2008201907054 U CNU2008201907054 U CN U2008201907054U CN 200820190705 U CN200820190705 U CN 200820190705U CN 201293597 Y CN201293597 Y CN 201293597Y
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- heat exchanger
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- electric field
- tube
- exchanger tube
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Abstract
The utility model relates to a pipe shell type heat-exchanger, specifically to a shell type heat exchanger which can apply electric hydrokinetic enhanced heat transfer technology to realize high-efficient heat exchange. The electric field enhanced heat transfer heat exchanger is principally composed of a shell, closing ends provided at the top and bottom terminals of the shell, tube sheets, heat exchange tubes etc., wherein, the end of one closing end is provided with a wire lead-out hole while the other closing end has no wire lead-out hole; the electrodes for applying electric fields to the flow field are installed in the heat exchange tubes, the electrodes are integrated with the electrode lead-out terminals, and one end of the wire is connected to the electrode lead-out terminal, while the other end is communicated to the voltage generator after pulling out from the wire lead-out hole on the closing end, and the wire lead-out hole has a static seal processing after the wire has been pulled out. The main advantage of the utility model lies in that: the electric field enhanced heat transfer heat exchanger can realize the application of electric field enhanced heat transfer technology on the shell type heat exchanger and has simple structure and easy installation; simultaneously the utility model can be used as an ordinary shell type heat exchanger when not been energized.
Description
Technical field
The utility model relates to a kind of shell-and-tube heat exchanger, specifically is that a kind of electricity consumption hydrodynamics (Electrohydrodynamics is called for short EHD) augmentation of heat transfer technology of can answering realizes the shell-and-tube heat exchanger of high efficient heat exchanging.
Background technology
In the industrial production, all kinds of heat exchangers are widely used and carry out heat exchange at present, wherein use the most general with shell-and-tube heat exchanger.In order to improve the coefficient of heat transfer of heat exchanger, many aspects have been launched research to scientific workers from structure-reinforced, disturbance reinforcement, flow-induced be vibrating enhanced etc., but still do not satisfy present energy-efficient demand.Foreign scholar Chubb at first found in 1916, to the flow field of fluid interchange apply behind the electric field can augmentation of heat transfer phenomenon, (voltage general 5000～50000V) can improve 3 times with the water evaporation rate to electric field in the experiment, and people call EHD augmentation of heat transfer technology to this electric field-enhanced heat transfer technology; But this technology is subjected to the influence of power-saving technology market demand deficiency afterwards, does not cause people's attention.Up to 20 the end of the century energy crisis arrival, this technology just causes scientific workers' attention once more, and has carried out relevant serial mechanism research; Can this conclusion of augmentation of heat transfer be confirmed for electric field at present, and experiment confirm is arranged: under the certain condition, critical heat flux density when electric field can significantly improve the coefficient of heat transfer and vigorous bubble boiling (some working medium can be increased to 5 times in the experiment), stem-windingly be, the power consumption of electric field but has only several watts～tens watts, so little electric field power consumption makes EHD augmentation of heat transfer technology be subjected to extensive concern than its remarkable heat exchange strengthening effect that brings.At present, EHD augmentation of heat transfer technology does not also directly apply to the example in the industrial production and the heat exchanger apparatus of production usefulness, its main cause is: how to use for reference and improve existing shell-and-tube heat exchanger structure to realize EHD augmentation of heat transfer The Application of Technology, in heat exchanger tube, remove to apply high voltage electric field and how to realize insulation and sealing problem, how to realize best strengthening effect etc., all these requirement can propose a novel shell-and-tube heat exchanger.
Summary of the invention
The utility model is at present above-mentioned problem and present situation, and design has proposed a kind of electric field strengthened heat transmission and heat exchange machine, by the improvement to present conventional tube shell heat exchanger structure, can directly realize the application of electric field-enhanced heat transfer technology on heat exchanger.
The utility model is that the technical scheme that problem adopts of the above-mentioned solution of realization is: electric field strengthened heat transmission and heat exchange machine mainly is made up of housing, the end socket that is arranged on the housing upper and lower side, tube sheet, heat exchanger tube etc., wherein the end of an end socket has the electric wire fairlead, and another end socket does not then have; Be used for the electrode that stream field applies electric field and be installed on heat exchanger tube, electrode and electrode leads to client are connected as a single entity, electric wire one end links to each other with electrode leads to client, the electric wire other end involves the back via the electric wire fairlead on the end socket and is connected with voltage generator, and the electric wire fairlead is made static seal and handled after electric wire involves.
Press such scheme, heat exchanger tube exceeds a tube sheet part, and heat exchanger tube two ends mouth of pipe periphery is processed with screw thread, cooperates 2 mouth of pipe nuts to use, and wherein is used in the mouth of pipe nut center of drawing electric wire one end and has circular hole.
Press such scheme, the electrode two ends link to each other with electrode leads to client, and electrode leads to client cooperates with clamp nut for being processed with screw thread on the pole of metal material and the pole excircle; Electrode is realized fixing by the fixing plug of two electrode terminals, electrode adopts eccentric fixing in heat exchanger tube, to realize producing inhomogeneous field, improves strengthening effect; The fixing plug of electrode terminal is for the insulation material and have stepped hole, and the heat exchanger tube two ends mouth of pipe is sealed with mouth of pipe nut by the fixing plug of electrode terminal; In the entry and exit of offering the heat exchanger tube fluid with a certain distance from the circumferential position of the heat exchanger tube mouth of pipe, the fluid in the tube side changes thus that the gateway flows to.
Press such scheme, heat exchanger tube tube wall and tube sheet and housing are connected as a single entity, as the earth polar.
The utility model major advantage is: electric field strengthened heat transmission and heat exchange machine is realized the application of electric field-enhanced heat transfer technology on shell-and-tube heat exchanger, and is simple in structure, easy for installation; Simultaneously, can be used as the common tube shell heat exchanger during the utility model no power uses.
Description of drawings
Fig. 1 is the arrangement schematic diagram of the utility model embodiment.
Fig. 2 is the structural representation of heat exchanger tube among Fig. 1.
1. housings among the figure, 2. end socket, 3. tube sheet, 4. electrode leads to client, 5. electric wire fairlead, 6. electric wire, 7. heat exchanger tube, 8. heat exchanger tube inlet, 9. tube side inlet, 10. shell side outlet, the outlet of 11. heat exchanger tubes, the outlet of 12. tube sides, 13. the shell side inlet, 14. electrodes, 15. clamp nuts, 16. mouth of pipe nut, the fixing plug of 17. electrode terminals.
The specific embodiment
In Fig. 1, electric field strengthened heat transmission and heat exchange machine is made up of housing (1), end socket (2), tube sheet (3), heat exchanger tube (7) etc., and other auxiliary part such as spacing bar, deflection plate does not draw in Fig. 1 in the heat exchanger; Heat exchanger tube (7) is fixing by 2 tube sheets (3), has shell side inlet (13), shell side outlet (12) on the housing (1); Totally 2 of end sockets (2) have tube side inlet (9) and electric wire fairlead (5) above one, have tube side outlet (12) above another; Be used for the electrode (14) that stream field applies electric field and be installed on heat exchanger tube (7), electrode (14) is connected as a single entity with electrode leads to client (4), electric wire (6) one ends link to each other with electrode leads to client (4), and electric wire (6) other end involves by electric wire fairlead (5), connects with voltage generator.The mounting structure of electrode (14) in heat exchanger tube (7) is another one innovative design of the present utility model, describe below in conjunction with Fig. 2, in Fig. 2, heat exchanger tube (7) exceeds a tube sheet part, heat exchanger tube (7) two ends mouth of pipe periphery is processed with screw thread, cooperates 2 mouth of pipe nuts (16) to use, and has circular hole at mouth of pipe nut (16) center of drawing electric wire (6) one ends, be convenient to electric wire (6) and involve, the mouth of pipe nut (16) of the other end does not then have perforate; Electrode (14) two ends link to each other with electrode leads to client (4), and electrode leads to client (4) cooperates with clamp nut (15) for being processed with screw thread on round metal bars and the excircle; The fixing main of electrode (14) realizes that by the fixing plugs of two electrode terminals (17) the fixing plug of electrode terminal (17) be the materials that insulate such as rubber, and on have as shown in FIG. stepped hole; 2 electrode leads to client (4) are penetrated respectively in the fixing plug of electrode terminal (17) hole, tightening clamp nut (15) can be fixed in electrode (14) in the heat exchanger tube (7), and arranged off-centre is tightened two mouth of pipe nuts (16) at last respectively and can be realized the ferrule of heat exchanger tube (7).In heat exchanger tube (7), electrode (14) is communicated with voltage generator via the electric wire fairlead (5) on the end socket (2) by electrode leads to client (4), electric wire (6), become voltage pole, heat exchanger tube (7) tube wall then is connected as a single entity with tube sheet (3) and housing (1) becomes the earth polar, electrode (14) will form electric field after applying voltage in heat exchanger tube (7), and be applied on the medium that flows in the pipe, realize the reinforcement of heat transfer process.
The utility model can be realized the application of electric field-enhanced heat transfer technology in heat exchanger, does not apply voltage, still can be used as the conventional tube shell heat exchanger and uses; Simultaneously, the utility model is simple in structure, be easy to realize, and cost is low.
Claims (4)
1, electric field strengthened heat transmission and heat exchange machine, mainly by housing (1), be arranged on housing up and down the end socket, tube sheet (3), heat exchanger tube (7) etc. at two ends form, it is characterized in that: wherein an end socket (2) end has electric wire fairlead (5); Be used for the electrode (14) that stream field applies electric field and be installed on heat exchanger tube (7), electrode (14) is connected as a single entity with electrode leads to client (4), electric wire (6) one ends link to each other with electrode leads to client (4), and electric wire (6) other end involves the back via electric wire fairlead (5) and connects with voltage generator.
2, electric field strengthened heat transmission and heat exchange machine according to claim 1, it is characterized in that: heat exchanger tube (7) exceeds a tube sheet part, heat exchanger tube (7) two ends mouth of pipe periphery is processed with screw thread, cooperate 2 mouth of pipe nuts (16) to use, be used in mouth of pipe nut (16) center of drawing electric wire (6) one ends and have circular hole.
3, electric field strengthened heat transmission and heat exchange machine according to claim 1 and 2, it is characterized in that: electrode (14) two ends link to each other with electrode leads to client (4), electrode leads to client (4) cooperates with clamp nut (15) for being processed with screw thread on the pole of metal material and the pole excircle; Electrode (14) is realized fixing by the fixing plugs of two electrode terminals (17), the fixing plug of electrode terminal (17) is for the insulation material and have stepped hole; Electrode (14) is an arranged off-centre in heat exchanger tube (7).
4, electric field strengthened heat transmission and heat exchange machine according to claim 1 and 2 is characterized in that: heat exchanger tube (7) tube wall and tube sheet (3) and housing (1) are connected as a single entity, as the earth polar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201907054U CN201293597Y (en) | 2008-09-10 | 2008-09-10 | Electric field intensification heat transmission heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201907054U CN201293597Y (en) | 2008-09-10 | 2008-09-10 | Electric field intensification heat transmission heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201293597Y true CN201293597Y (en) | 2009-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201907054U Expired - Lifetime CN201293597Y (en) | 2008-09-10 | 2008-09-10 | Electric field intensification heat transmission heat exchanger |
Country Status (1)
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| CN (1) | CN201293597Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743087A (en) * | 2014-01-21 | 2014-04-23 | 华能无锡电热器材有限公司 | Energy saving heat exchanger |
| CN110849201A (en) * | 2019-10-16 | 2020-02-28 | 东南大学 | Hall effect-based enhanced heat exchange method under special working condition |
| CN111780580A (en) * | 2019-04-04 | 2020-10-16 | 山东大学 | Prevent shell and tube heat exchanger of scale deposit |
| CN111780579A (en) * | 2019-04-04 | 2020-10-16 | 山东大学 | Shell-and-tube heat exchanger with reasonably optimized spacing |
| CN111780581A (en) * | 2019-04-04 | 2020-10-16 | 山东大学 | Shell-and-tube heat exchanger of annular overall arrangement |
| CN111780582A (en) * | 2019-04-04 | 2020-10-16 | 山东大学 | Shell-and-tube heat exchanger with optimized turn-on and turn-off heating sequence |
| CN112484537A (en) * | 2020-12-01 | 2021-03-12 | 哈尔滨工业大学 | Shell-and-tube type point discharge solid-liquid phase change enhanced heat transfer device based on electrohydrodynamics |
-
2008
- 2008-09-10 CN CNU2008201907054U patent/CN201293597Y/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743087A (en) * | 2014-01-21 | 2014-04-23 | 华能无锡电热器材有限公司 | Energy saving heat exchanger |
| CN103743087B (en) * | 2014-01-21 | 2016-08-17 | 华能无锡电热器材有限公司 | Energy-saving heat exchanger |
| CN112984803A (en) * | 2019-04-04 | 2021-06-18 | 山东大学 | Design method of shell-and-tube heat exchanger |
| CN112984801A (en) * | 2019-04-04 | 2021-06-18 | 山东大学 | Heat exchange method of shell-and-tube heat exchanger |
| CN111780579A (en) * | 2019-04-04 | 2020-10-16 | 山东大学 | Shell-and-tube heat exchanger with reasonably optimized spacing |
| CN111780581A (en) * | 2019-04-04 | 2020-10-16 | 山东大学 | Shell-and-tube heat exchanger of annular overall arrangement |
| CN111780582A (en) * | 2019-04-04 | 2020-10-16 | 山东大学 | Shell-and-tube heat exchanger with optimized turn-on and turn-off heating sequence |
| CN112984802B (en) * | 2019-04-04 | 2023-02-07 | 山东大学 | Intelligent distance distributed shell-and-tube heat exchanger |
| CN111780579B (en) * | 2019-04-04 | 2022-06-14 | 山东大学 | Shell-and-tube heat exchanger with reasonably optimized spacing |
| CN111780580A (en) * | 2019-04-04 | 2020-10-16 | 山东大学 | Prevent shell and tube heat exchanger of scale deposit |
| CN112984802A (en) * | 2019-04-04 | 2021-06-18 | 山东大学 | Intelligent distance distributed shell-and-tube heat exchanger |
| CN111780582B (en) * | 2019-04-04 | 2022-01-28 | 山东大学 | Shell-and-tube heat exchanger with optimized turn-on and turn-off heating sequence |
| CN111780580B (en) * | 2019-04-04 | 2022-01-28 | 山东大学 | Prevent shell and tube heat exchanger of scale deposit |
| CN111780581B (en) * | 2019-04-04 | 2022-06-10 | 山东大学 | Shell-and-tube heat exchanger of annular overall arrangement |
| CN110849201A (en) * | 2019-10-16 | 2020-02-28 | 东南大学 | Hall effect-based enhanced heat exchange method under special working condition |
| CN112484537A (en) * | 2020-12-01 | 2021-03-12 | 哈尔滨工业大学 | Shell-and-tube type point discharge solid-liquid phase change enhanced heat transfer device based on electrohydrodynamics |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: WUHAN HERO CITY THERMAL-SYS CO., LTD. Assignor: Wuhan Institute of Technology Contract fulfillment period: 2009.7.1 to 2015.6.30 Contract record no.: 2009420010054 Denomination of utility model: Electric field strengthened heat transmission and heat exchange machine Granted publication date: 20090819 License type: Exclusive license Record date: 20090916 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.7.1 TO 2015.6.30; CHANGE OF CONTRACT Name of requester: WUHAN LANGHONG HEATING POWER TECHNOLOGY CO., LTD. Effective date: 20090916 |
|
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080910 |
|
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080910 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |