CN110580959A - Sodium-air heat exchanger - Google Patents
Sodium-air heat exchanger Download PDFInfo
- Publication number
- CN110580959A CN110580959A CN201910887564.4A CN201910887564A CN110580959A CN 110580959 A CN110580959 A CN 110580959A CN 201910887564 A CN201910887564 A CN 201910887564A CN 110580959 A CN110580959 A CN 110580959A
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- sodium
- pipe
- collecting pipe
- heat exchange
- heat exchanger
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
- G21C15/14—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices from headers; from joints in ducts
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/24—Promoting flow of the coolant
- G21C15/253—Promoting flow of the coolant for gases, e.g. blowers
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/24—Promoting flow of the coolant
- G21C15/26—Promoting flow of the coolant by convection, e.g. using chimneys, using divergent channels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention provides a sodium-air heat exchanger comprising: the top end of the cylinder body is provided with an outlet air door, and the bottom end of the cylinder body is provided with an inlet air door; one end of the upper collecting pipe is communicated with the sodium inlet pipe; one end of the lower collecting pipe is communicated with the sodium outlet pipe; a heat exchange tube bundle is communicated between the upper collecting tube and the lower collecting tube; the flow distributor is arranged in the central area of the inner cavity of the cylinder body; wherein, the sodium inlet pipe and the sodium outlet pipe are arranged at the same side of the cylinder body; the upper collecting pipe and the lower collecting pipe are annular and are provided with pipe joints formed by protruding outwards from the surfaces of the upper collecting pipe and the lower collecting pipe, and the heat exchange pipe bundle is connected with the upper collecting pipe and the lower collecting pipe through the pipe joints. The sodium-air heat exchanger has the advantages of high heat exchange efficiency, small flow resistance, compact structure and the like by optimally designing the collecting pipe, the connection mode of the collecting pipe and the heat exchange pipe, the air door and the like.
Description
Technical Field
Embodiments of the present invention relate to heat exchangers, and more particularly, to a sodium-air heat exchanger.
Background
The accident waste heat discharge system of the pool type sodium-cooled fast reactor has non-activity, and when the reactor has an accident and the reactor core waste heat cannot be discharged through the main heat transmission system, the reactor waste heat is discharged through the accident waste heat discharge system. When an accident working condition occurs, firstly, the heat of the reactor core is discharged to the middle loop pipeline by the other heat exchangers, then the heat is transmitted to the sodium-air heat exchanger by the middle loop pipeline, and finally, the hot air is discharged out through the air-draft chimney by the sodium-air heat exchanger. The sodium-air heat exchanger can adopt a natural circulation flow mode, and realizes heat exchange through the reverse flow of two media of sodium and air.
At present, in the field of heat exchangers, dry, wet and semi-dry air heat exchangers are common, and the structures of the heat exchangers are not compact and forced circulation is needed for heat exchange. The heat exchangers commonly used for the heat exchange of reactors include serpentine finned tube sodium-air heat exchangers with blowers (forced circulation), serpentine finned tube natural convection sodium-air heat exchangers, light pipe spiral tube type sodium-air heat exchangers, etc., however, the application of these heat exchangers has the following disadvantages: (1) in order to realize natural circulation driving, the circulation heat exchange area (mainly relating to the number of layers of finned tubes and the like) needs to be increased, so that the equipment is large in size, not compact in structure and high in cost; (2) in order to increase the natural circulation driving force, the height of the draft chimney needs to be greatly increased, which brings difficulty to the building of a factory building and the like.
Disclosure of Invention
In order to solve at least one of the above technical problems, an embodiment of the present invention provides a sodium-air heat exchanger, which realizes heat exchange through natural circulation, and the sodium-air heat exchanger has the advantages of high heat exchange efficiency, small flow resistance, compact structure, and the like by optimally designing a connection manner of a collecting pipe, the collecting pipe, and a heat exchange pipe, and an air door.
according to one aspect of the present invention, there is provided a sodium-air heat exchanger comprising: the air conditioner comprises a barrel, wherein an outlet air door is arranged at the top end of the barrel, and an inlet air door is arranged at the bottom end of the barrel; one end of the upper collecting pipe is communicated with the sodium inlet pipe, and the upper collecting pipe is connected with the inner wall of the middle barrel; one end of the lower collecting pipe is communicated with the sodium outlet pipe, and the lower collecting pipe is connected with the inner wall of the lower barrel; a heat exchange tube bundle is communicated between the upper collecting tube and the lower collecting tube; the flow distributor is arranged in the central area of the inner cavity of the cylinder body, the top end of the flow distributor is connected with the upper collecting pipe, and the bottom end of the flow distributor is connected with the inner wall of the lower cylinder body; the sodium inlet pipe and the sodium outlet pipe are arranged on the same side of the cylinder; the upper collecting pipe and the lower collecting pipe are annular, the upper collecting pipe and the lower collecting pipe are provided with pipe joints formed by protruding outwards from the surfaces of the upper collecting pipe and the lower collecting pipe, and the heat exchange pipe bundle is connected with the upper collecting pipe and the lower collecting pipe through the pipe joints.
Preferably, the upper collecting pipe and the lower collecting pipe are respectively arranged symmetrically relative to the center line of the cylinder; the heat exchange tube bundle is arranged in parallel to the center line of the cylinder body and is concentrically and annularly arranged relative to the upper collecting tube and the lower collecting tube.
Preferably, the heat exchange tube bundle is connected with the upper collecting pipe and the lower collecting pipe in a butt welding mode.
Preferably, a tube bundle support structure is provided between adjacent heat exchange tubes in a vertical direction of the heat exchange tube bundle.
Preferably, both ends of the heat exchange tube bundle are provided as bent sections.
Preferably, the flow distributors are arranged in a conical combination with different radii, and the flow distributors are arranged in the central area of the heat exchange tube bundle.
Preferably, an electric heater and a heat insulation layer are arranged on the outer wall of the cylinder body.
Preferably, the bottom end of the barrel is provided with a sodium discharge pipe.
Preferably, the inlet damper is single-segment; the outlet air door is of a double-section type.
Preferably, the inlet air door and the outlet air door respectively comprise a transmission shaft, a baffle plate and an actuating mechanism; the baffle can rotate relative to the transmission shaft and can be fixed within the range of 0-90 degrees; the actuating mechanism has two functions of electric operation and manual operation.
Compared with the prior art, the invention has at least one of the following beneficial effects:
(1) According to the sodium-air heat exchanger, the heat exchange fin tube bundles are vertically arranged, and the flow distributor is combined to conduct air transverse flow guiding, so that the air flow resistance can be effectively reduced, and the heat exchange efficiency is improved;
(2) The collector tubes are arranged in a ring shape, so that the use space can be effectively reduced, and the equipment structure is more compact; the collecting pipe is provided with an integrally formed pipe joint and is connected with the heat exchange pipe in a butt welding mode, so that the connection reliability can be improved, and safety accidents caused by sodium leakage at the connection part can be avoided;
(3) The sodium inlet pipe and the sodium outlet pipe are arranged on the same side of the cylinder body, so that the speed of sodium circulation is improved, and the heat exchange efficiency is improved;
(4) The structure of the inlet air door and the outlet air door is optimally designed, so that the reliability and flexibility of air door control are improved, and the heat exchange effect is further ensured.
drawings
Other objects and advantages of the present invention will become apparent from the following description of the invention which refers to the accompanying drawings, and may assist in a comprehensive understanding of the invention.
FIG. 1 is a schematic diagram of a sodium-air heat exchanger according to an exemplary embodiment of the present invention;
Fig. 2 is a schematic structural view of an inlet damper and an outlet damper of a sodium-air heat exchanger according to an exemplary embodiment of the present invention, in which (a) is the inlet damper and (b) is the outlet damper.
Description of reference numerals:
10-cylinder, 11-outlet air door, 12-inlet air door, 13-upper collecting pipe, 14-lower collecting pipe, 15-sodium inlet pipe, 16-sodium outlet pipe, 17-heat exchange pipe bundle and 18-flow distributor;
20-frame, 21-baffle, 22-transmission shaft, 23-actuator.
It is noted that the drawings are not necessarily to scale and are merely illustrative in nature and not intended to obscure the reader.
Detailed Description
in order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention. It should be apparent that the described embodiment is one embodiment of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
As shown in fig. 1, there is shown a sodium-air heat exchanger according to an embodiment of the present invention, which includes: the air conditioner comprises a barrel 10, wherein an outlet air door 11 is arranged at the top end of the barrel 10, and an inlet air door 12 is arranged at the bottom end of the barrel; one end of the upper collecting pipe 13 is communicated with the sodium inlet pipe 15, and the upper collecting pipe 13 is connected with the inner wall of the middle barrel; one end of the lower collecting pipe 14 is communicated with a sodium outlet pipe 16, and the lower collecting pipe 14 is connected with the inner wall of the lower barrel; a heat exchange tube bundle 17 is communicated between the upper collecting pipe 13 and the lower collecting pipe 14; the flow distributor 18 is arranged in the central area of the inner cavity of the cylinder body 10, the top end of the flow distributor 18 is connected with the upper collecting pipe 13, and the bottom end of the flow distributor 18 is connected with the inner wall of the lower cylinder body; wherein, the sodium inlet pipe 15 and the sodium outlet pipe 16 are arranged at the same side of the cylinder 10; wherein, the upper collecting pipe 13 and the lower collecting pipe 14 are ring-shaped, the upper collecting pipe 13 and the lower collecting pipe 14 are provided with pipe joints formed by protruding outwards from the surface thereof, and the heat exchange pipe bundle 17 is connected with the upper collecting pipe 13 and the lower collecting pipe 14 through the pipe joints.
According to the sodium-air heat exchanger provided by the embodiment of the invention, heat exchange is realized by adopting reverse flow and natural circulation of sodium and air media, sodium enters from the sodium inlet pipe 15 and flows out from the sodium outlet pipe 16 through the collecting pipe, the heat exchange pipe and the like, air enters from the inlet air door 12 and flows out from the outlet air door 11 after carrying away heat, namely, the sodium flows from top to bottom, and the air flows from bottom to top, so that reverse circulation is formed.
specifically, sodium carrying a certain amount of heat (the reactor sodium pool transfers the heat to the intermediate loop pipeline and then reaches the sodium-air heat exchanger) firstly enters the upper collecting pipe 13 from the sodium inlet pipe 15, the upper collecting pipe 13 collects the sodium and transfers the sodium to the heat exchange pipe bundle 17, after the heat is taken away by the hot sodium through air, the heat exchange pipe bundle 17 transfers the cooled sodium to the lower collecting pipe 14, and then the lower collecting pipe 14 transfers the cooled sodium back to the intermediate loop pipeline for continuous use by the reactor.
The collecting pipe is used for realizing the transmission of sodium media, and the structure of the collecting pipe not only influences the circulation and transmission efficiency of the media, but also influences the connectivity between other pipelines connected with the collecting pipe. The common collecting pipe is mostly in a straight pipe shape, the collecting pipe is in an annular shape, the using space of the collecting pipe can be saved to a large extent, and when the annular collecting pipe is connected with other pipelines for use, the arrangement space among the pipelines can be greatly reduced, so that the structure of equipment for combining the pipelines is more compact. As shown in fig. 1, the upper header 13 and the lower header 14 are both arranged in a ring shape, and the upper header 13 and the lower header 14 have pipe joints formed to protrude outward from the surfaces thereof, and further, the end portions of the pipe joints are provided with holes to which other pipes such as the heat exchange tube bundle 17 can be connected through the pipe joints of the upper header 13 and the lower header 14 (communication is achieved through the holes at the end portions of the pipe joints).
The annular collecting pipe is provided with the pipe joint integrally formed with the annular collecting pipe, and the design is favorable for improving the connection reliability between the annular collecting pipe and other pipelines. It can be understood that the design parameters such as the shape, the number, the position distribution and the like of the pipe joints can be set according to the actual situation; for example, a plurality of sub-flow tubes (different arc segments) may be respectively processed and then welded or connected to form the annular header, and the surface of the sub-flow tube may be processed to form the tube joint, which may be welded or machined.
Further, in the embodiment of the present invention, a heat exchange tube bundle 17 is communicated between the upper header 13 and the lower header 14, and the upper header 13 and the lower header 14 may be connected to the heat exchange tube bundle 17 by means of butt welding. The butt welding method is that the weldment is respectively arranged between the two clamping devices, the end faces of the weldment are aligned, and the weldment is welded by electrifying and heating at the contact position. The pipe joint and the heat exchange tube bundle 17 of upper collecting pipe 13 and lower collecting pipe 14 are butt-welded, compare and adopt modes such as expanded joint, fillet weld to connect between traditional collecting pipe and the heat exchange tube, have higher connection reliability, can avoid junction sodium to reveal and cause incident etc..
For the heat exchange tube bundle 17, the heat exchange tubes may be provided as flat tubes, for example, which are aluminum structures formed in one step by die extrusion, and the outer surfaces of the flat tubes are plated with zinc layers to prevent corrosion. Of course, in other embodiments, the number, shape, size and distance between any two adjacent heat exchange tubes may be set according to actual needs. Further, the heat exchange tube is a finned tube structure with heat exchange fins.
In order to further improve the heat exchange efficiency, the flow distributor 18 is arranged in the central area of the inner cavity of the cylinder 10, when air enters the cylinder 10 from the inlet air door 12, the flow distributor 18 can play a role in guiding flow, so that air flows transversely among the heat exchange tube bundles 17 to continuously take away the heat of sodium in the heat exchange tube bundles 17, and finally the air is guided out to flow out from the outlet air door 11 and enter the air drawing chimney to finish heat exchange.
Further, the sodium inlet pipe 15 and the sodium outlet pipe 16 are arranged on the same side of the cylinder 10, which is beneficial to improving the circulation rate of sodium, thereby improving the heat exchange efficiency.
Furthermore, the sodium-air heat exchanger also comprises connection structures, such as brackets, support plates, etc. The upper collecting pipe 13 can be connected with the inner wall of the middle cylinder through a plurality of fixed supports, and the lower collecting pipe 14 can be connected with the inner wall of the lower cylinder through a plurality of supports which can slide in the vertical direction and have radial limit; and, at the top of flow distributor 18, can be connected with several fixed supports of upper header 13 through several backup pads, can be connected with the inner wall of lower part barrel through the sleeve that has radial spacing in the slidable of vertical direction at the bottom of flow distributor 18 to prevent that the radial swing of flow distributor 18 from influencing air water conservancy diversion. The connection structure and the connection manner are not limited to the above.
In a preferred embodiment of the present invention, as shown in fig. 1, the upper header 13 and the lower header 14 are symmetrically disposed with respect to the center line of the cylinder 10, respectively; and heat exchange tube bundle 17 is arranged parallel to the center line of cylinder 10 and concentrically and annularly arranged with respect to upper header 13 and lower header 14. The collecting pipe and the heat exchange pipe are arranged symmetrically relative to the barrel, so that the heat exchange assembly is integrally and intensively arranged, the circulation of a sodium medium is balanced relatively, the integral temperature distribution of the device is uniform, and the increase of the flow of the medium is facilitated, and the heat exchange efficiency is improved.
Furthermore, the heat exchange tube bundle 17, namely the finned tubes, are vertically arranged and concentrically and annularly arranged, and the flow distributor 18 is arranged in the central area of the heat exchange tube bundle 17, so that air is guided by the flow distributor 18 to transversely act on the heat exchange finned tubes, and the efficiency of air circulation and heat exchange is effectively improved. As shown in fig. 1, the flow distributor 18 can be set to be a combination of conical cylinders with different radii, so that the space of the inner cavity of the cylinder is fully utilized, the air flow distribution is more uniform, and the resistance of air flow is considered, so that the air flow can quickly and effectively contact the heat exchange tube bundle, the heat exchange efficiency is further improved, and the height of the draft chimney can be reduced.
For heat exchange tube bundle 17, a tube bundle support structure is provided between adjacent heat exchange tubes in a vertical direction along heat exchange tube bundle 17. The bundle support structure may be, for example, spacer rings or corrugated steel strips, etc., in order to reduce vibration of heat exchange tube bundle 17 caused by media flow or air scouring. Furthermore, two ends of the heat exchange tube bundle 17 are arranged into curved sections, namely, the curved sections are close to the connection part of the heat exchange tube and the collecting pipe, and the heat exchange tube is designed to overcome the axial influence of high-temperature thermal stress on equipment. The lower end of the heat exchange tube bundle is provided with a thermocouple, and the temperature of the tube wall of the heat exchange finned tube can be detected.
further, an electric heater and a heat insulation layer are arranged on the outer wall of the cylinder 10, so that the equipment is preheated and heat-insulated. In response to possible leakage of the tube bundle system, a bottom plate is further installed at the bottom end of the cylinder 10, and a sodium discharge pipe is provided on the bottom plate for discharging sodium into the discharge vessel.
In order to realize air heat exchange, air circulation needs to meet certain conditions. In a preferred embodiment of the invention, the inlet and outlet dampers that affect the circulation of air are optimally designed. As shown in fig. 2, the inlet damper is provided in a single stage, and the outlet damper is provided in a double stage. Specifically, the inlet air door and the outlet air door respectively comprise a transmission shaft, a baffle plate and an actuating mechanism; the baffle can rotate relative to the transmission shaft and can be fixed within the range of 0-90 degrees; the actuating mechanism has two functions of electric operation and manual operation.
As shown in fig. 2(a), the inlet damper comprises a frame 20, a baffle 21, a transmission shaft 22 and an actuator 23, wherein the baffle 21 can rotate relative to the transmission shaft 22, so that the baffle 21 can be opened at a certain angle relative to the frame 20, and the baffle 21 can be fixed relative to the transmission shaft 22 within the range of 0-90 degrees, thereby forming a stable condition for air circulation; further, the actuator 23 has two functions of electric operation and manual operation, and when the manual operation is implemented, the hand wheel on the actuator 23 is operated to control the transmission shaft 22 to open and close the baffle 21; when the electric operation is carried out, the transmission shaft 22 can be controlled by a shaft position signal device attached to the actuating mechanism 23 so that the baffle 21 is opened and closed; no matter a manual or electric mode is adopted, the air door can be stopped at any angle within the range of 0-90 degrees through the air door opening adjusting device, and flexible control is achieved. The actuating mechanism is set to have two functions of electric operation and manual operation, when the power supply system is interrupted, the air door can be opened and closed through manual adjustment, and under the electric condition, the remote control of opening and closing of the air door can be realized, so that the reliability and the flexibility of the operation of the air door are effectively improved.
Further, the baffle 21 can adopt a double-layer baffle structure, heat insulation materials are filled between the two layers of baffles, and a sealing gasket is arranged at the joint part of the baffle 21 and the frame 20, so that the good heat insulation and sealing performance of the air door can be ensured.
Under the condition of not influencing the heat exchange system to carry out heat exchange, the operating environment temperature of the air door motor is ensured to be lower than 60 ℃, so that the motor is arranged at a certain distance from the position of the air door.
As shown in fig. 2(b), the outlet damper is a schematic structural diagram, and the structure of the outlet damper is similar to that of the inlet damper, except that a two-stage structure is adopted, two baffles 21 and two corresponding actuators 23 are provided, and the outlet damper is controlled in the same manner as the inlet damper.
For the number of the inlet air doors and the outlet air doors, 4 single-section inlet air doors and 1 double-section outlet air door can be provided in the embodiment, and the 4 inlet air doors can be symmetrically arranged two by two relative to the bottom end of the cylinder; in order to meet the heat exchange effect of the sodium-air heat exchanger, only 2 inlet air doors and 1 section of outlet air doors are required to be normally opened.
It will be appreciated that the number, shape, etc. of the inlet and outlet dampers, as well as the angle at which the dampers open, etc. can be controlled as desired.
According to the sodium-air heat exchanger provided by the embodiment of the invention, the vertical heat exchange fin tube type is adopted, and compared with the traditional snake-shaped fin tube type, the vertical light tube type, the light tube spiral tube type and the like, the sodium-air heat exchanger provided by the invention can realize the effects of minimum flow resistance and minimum equipment size under the condition of the same heat exchange power.
the sodium-air heat exchanger provided by the embodiment of the invention has the advantages of high heat exchange efficiency, small flow resistance, compact structure, high reliability of the air door and the like, and can improve the reliability and safety of the sodium-cooled fast reactor passive accident waste heat discharge system, thereby being beneficial to creating greater social and economic benefits and having good market application prospect.
it should also be noted that, in the case of the embodiments of the present invention, features of the embodiments and examples may be combined with each other to obtain a new embodiment without conflict.
the above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and the scope of the present invention is subject to the scope of the claims.
Claims (10)
1. A sodium-air heat exchanger comprising:
The air conditioner comprises a barrel, wherein an outlet air door is arranged at the top end of the barrel, and an inlet air door is arranged at the bottom end of the barrel;
one end of the upper collecting pipe is communicated with the sodium inlet pipe, and the upper collecting pipe is connected with the inner wall of the middle barrel;
One end of the lower collecting pipe is communicated with the sodium outlet pipe, and the lower collecting pipe is connected with the inner wall of the lower barrel; a heat exchange tube bundle is communicated between the upper collecting tube and the lower collecting tube;
The flow distributor is arranged in the central area of the inner cavity of the cylinder body, the top end of the flow distributor is connected with the upper collecting pipe, and the bottom end of the flow distributor is connected with the inner wall of the lower cylinder body;
The sodium inlet pipe and the sodium outlet pipe are arranged on the same side of the cylinder;
the upper collecting pipe and the lower collecting pipe are annular, the upper collecting pipe and the lower collecting pipe are provided with pipe joints formed by protruding outwards from the surfaces of the upper collecting pipe and the lower collecting pipe, and the heat exchange pipe bundle is connected with the upper collecting pipe and the lower collecting pipe through the pipe joints.
2. The sodium-air heat exchanger of claim 1, wherein the upper and lower headers are each symmetrically disposed about a cylinder centerline; the heat exchange tube bundle is arranged in parallel to the center line of the cylinder body and is concentrically and annularly arranged relative to the upper collecting tube and the lower collecting tube.
3. The sodium-air heat exchanger of claim 1, wherein said heat exchanger tube bundle is joined to said upper and lower headers by butt welding.
4. The sodium-air heat exchanger of claim 2, wherein a tube bundle support structure is provided between adjacent heat exchange tubes in a vertical direction of the heat exchange tube bundle.
5. The sodium-air heat exchanger of claim 2, wherein both ends of the heat exchange tube bundle are provided as curved segments.
6. The sodium-air heat exchanger of claim 1, wherein the flow distributors are arranged in a combination of cones having different radii, the flow distributors being provided in a central region of the heat exchange tube bundle.
7. The sodium-air heat exchanger of claim 1, wherein an electric heater and an insulating layer are provided on an outer wall of the cylinder.
8. The sodium-air heat exchanger of claim 1, wherein the bottom end of the cylinder is provided with a sodium discharge pipe.
9. The sodium-air heat exchanger of claim 1, wherein the inlet damper is single-stage; the outlet air door is of a double-section type.
10. The sodium-air heat exchanger of claim 9, wherein the inlet damper and the outlet damper each comprise a drive shaft, a baffle, and an actuator;
the baffle can rotate relative to the transmission shaft and can be fixed within the range of 0-90 degrees;
the actuating mechanism has two functions of electric operation and manual operation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910887564.4A CN110580959B (en) | 2019-09-19 | 2019-09-19 | Sodium-air heat exchanger |
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| CN201910887564.4A CN110580959B (en) | 2019-09-19 | 2019-09-19 | Sodium-air heat exchanger |
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| CN110580959B CN110580959B (en) | 2021-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517080A (en) * | 2021-09-13 | 2021-10-19 | 江苏新恒基特种装备股份有限公司 | Anti-deformation control device, system and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174482A (en) * | 2007-12-11 | 2008-05-07 | 中国原子能科学研究院 | Sodium-air heat exchanger |
| KR100966854B1 (en) * | 2009-01-14 | 2010-06-29 | 한국원자력연구원 | Fully passive decay heat removal system for sodium cooled fast reactor with a partially-immersed decay heat exchanger |
| CN104567113A (en) * | 2013-10-12 | 2015-04-29 | 珠海格力电器股份有限公司 | Micro-channel heat exchanger and heating-cooling air conditioner with micro-channel heat exchanger |
| CN106440861A (en) * | 2016-08-30 | 2017-02-22 | 杭州三花微通道换热器有限公司 | Heat exchanger assembly and refrigeration system with heat exchanger assembly |
| CN207797806U (en) * | 2018-01-11 | 2018-08-31 | 中国石油大学(华东) | A kind of special pipe wing heat exchanger |
| CN109545401A (en) * | 2018-12-19 | 2019-03-29 | 岭东核电有限公司 | A kind of lead base fast reactor out-pile passive residual heat removal system |
| CN109727687A (en) * | 2018-12-29 | 2019-05-07 | 中核霞浦核电有限公司 | A kind of cuboid sodium-sodium-gas integrated heat exchanger |
| CN109883222A (en) * | 2019-03-14 | 2019-06-14 | 中国原子能科学研究院 | Heat exchanger |
-
2019
- 2019-09-19 CN CN201910887564.4A patent/CN110580959B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174482A (en) * | 2007-12-11 | 2008-05-07 | 中国原子能科学研究院 | Sodium-air heat exchanger |
| KR100966854B1 (en) * | 2009-01-14 | 2010-06-29 | 한국원자력연구원 | Fully passive decay heat removal system for sodium cooled fast reactor with a partially-immersed decay heat exchanger |
| CN104567113A (en) * | 2013-10-12 | 2015-04-29 | 珠海格力电器股份有限公司 | Micro-channel heat exchanger and heating-cooling air conditioner with micro-channel heat exchanger |
| CN106440861A (en) * | 2016-08-30 | 2017-02-22 | 杭州三花微通道换热器有限公司 | Heat exchanger assembly and refrigeration system with heat exchanger assembly |
| CN207797806U (en) * | 2018-01-11 | 2018-08-31 | 中国石油大学(华东) | A kind of special pipe wing heat exchanger |
| CN109545401A (en) * | 2018-12-19 | 2019-03-29 | 岭东核电有限公司 | A kind of lead base fast reactor out-pile passive residual heat removal system |
| CN109727687A (en) * | 2018-12-29 | 2019-05-07 | 中核霞浦核电有限公司 | A kind of cuboid sodium-sodium-gas integrated heat exchanger |
| CN109883222A (en) * | 2019-03-14 | 2019-06-14 | 中国原子能科学研究院 | Heat exchanger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517080A (en) * | 2021-09-13 | 2021-10-19 | 江苏新恒基特种装备股份有限公司 | Anti-deformation control device, system and method |
| CN113517080B (en) * | 2021-09-13 | 2021-12-10 | 江苏新恒基特种装备股份有限公司 | Anti-deformation control device, system and method |
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