CN111412767A - Power-adjustable double-pipe heat exchanger - Google Patents
Power-adjustable double-pipe heat exchanger Download PDFInfo
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- CN111412767A CN111412767A CN202010363723.3A CN202010363723A CN111412767A CN 111412767 A CN111412767 A CN 111412767A CN 202010363723 A CN202010363723 A CN 202010363723A CN 111412767 A CN111412767 A CN 111412767A
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- heat exchanger
- pipe heat
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- double pipe
- module
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/103—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of more than two coaxial conduits or modules of more than two coaxial conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a power-adjustable double-pipe heat exchanger which comprises N double-pipe heat exchanger modules, wherein the N double-pipe heat exchanger modules share two measurement times, one sides of the N double-pipe heat exchanger modules are serially connected, outlets of the N double-pipe heat exchanger modules are connected in parallel to form a primary side outlet, each double-pipe heat exchanger module is correspondingly provided with a valve, N is a positive integer larger than or equal to 1, and the double-pipe heat exchanger modules are single-pass double-pipe heat exchangers. The double-pipe heat exchanger adopts a modular structure and comprises N double-pipe heat exchanger modules, wherein the double-pipe heat exchanger modules are single-pass double-pipe heat exchangers, each double-pipe heat exchanger module is correspondingly provided with a valve, the number of the common groups of the double-pipe heat exchanger modules in the whole double-pipe heat exchanger can be controlled by controlling the valves, the power of the whole double-pipe heat exchanger is adjusted, and the adjusting range is wide.
Description
Technical Field
The invention relates to the technical field of research on reactor thermal hydraulic power and engineering thermophysics, in particular to a double-pipe heat exchanger with adjustable power.
Background
In some energy conversion devices or thermal experimental devices, heat exchangers are frequently used, and the heat exchangers available on the market at present are generally designed with corresponding heat exchange areas according to the requirements of heat exchange power and the parameters of flowing working media. Once the requirement for heat exchange power changes greatly, the heat exchanger needs to be reinstalled.
For some thermal hydraulic experiments, the difference of requirements of different experimental working conditions on the heat exchange capacity of an experimental device is possibly large, and it is difficult to find a proper heat exchanger to realize the adjustment of wide heat exchange power.
Disclosure of Invention
The invention aims to provide a double-pipe heat exchanger with adjustable power, which can conveniently adjust the power of the heat exchanger according to the requirement of experimental parameter adjustment, thereby realizing wide-range accurate adjustment of thermal parameters.
The invention is realized by the following technical scheme:
a double-pipe heat exchanger with adjustable power comprises N double-pipe heat exchanger modules, wherein the N double-pipe heat exchanger modules share two measurement times, one side of each double-pipe heat exchanger module is serially connected, outlets of the N double-pipe heat exchanger modules are connected in parallel to form a primary side outlet, each double-pipe heat exchanger module is correspondingly provided with a valve, N is a positive integer greater than or equal to 1, and each double-pipe heat exchanger module is a single-pass double-pipe heat exchanger.
At present, the power of the heat exchanger cannot be adjusted, and once the requirement change of the heat exchange power is large, the heat exchanger needs to be installed again.
The double-pipe heat exchanger adopts a modular structure and comprises N double-pipe heat exchanger modules, wherein the double-pipe heat exchanger modules are single-pass double-pipe heat exchangers, each double-pipe heat exchanger module is correspondingly provided with a valve, the common group number of the double-pipe heat exchanger modules in the whole double-pipe heat exchanger can be controlled by controlling the valves, the power of the whole double-pipe heat exchanger is adjusted, and the adjustment range is wide (the number of the double-pipe heat exchanger modules is different, and the adjustment range is different).
The invention can realize the power regulation of the double-pipe heat exchanger, has the advantages of convenient and simple operation and only needs to switch the corresponding valve.
And further, the medium sharing the second measurement time as the second measurement time enters from the first double-pipe heat exchanger module, sequentially passes through all the modules and then is discharged from the last module.
Further, the outlet of one of the double pipe heat exchanger modules is communicated with the inlet of the other double pipe heat exchanger module, which is disposed in series between the adjacent two double pipe heat exchanger modules.
Further, the outlet of one of the double pipe heat exchanger modules is disposed on the same side as the inlet of the other double pipe heat exchanger module.
Because the outlet of one of the double pipe heat exchanger modules is communicated with the inlet of the other double pipe heat exchanger module through a pipeline, the length of the pipeline can be shortened by arranging the outlet of one of the double pipe heat exchanger modules and the inlet of the other double pipe heat exchanger module at the same side, so that not only can resources be saved, but also the transfer time of primary side media between the adjacent 2 double pipe heat exchanger modules can be shortened.
Further, N double pipe heat exchanger modules are arranged in parallel in rows.
Further, the primary side adopts an aqueous medium or a water-steam mixed medium, and the primary side is at normal pressure of 20MPa and normal temperature of 360 ℃; the secondary side adopts a water medium at 0.2-3 MPa and at normal temperature.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the double-pipe heat exchanger adopts a modular structure and comprises N double-pipe heat exchanger modules, wherein the double-pipe heat exchanger modules are single-pass double-pipe heat exchangers, each double-pipe heat exchanger module is correspondingly provided with a valve, the number of the common groups of the double-pipe heat exchanger modules in the whole double-pipe heat exchanger can be controlled by controlling the valves, the power of the whole double-pipe heat exchanger is adjusted, and the adjusting range is wide.
2. The invention can realize the power regulation of the double-pipe heat exchanger, has the advantages of convenient and simple operation and only needs to switch the corresponding valve.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural view of a double pipe heat exchanger.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1:
as shown in fig. 1, a power-adjustable double pipe heat exchanger comprises N double pipe heat exchanger modules, wherein the N double pipe heat exchanger modules are arranged in parallel in rows, and are marked as module 1, module 2 to module N from top to bottom, the N double pipe heat exchanger modules share two times of measurement, a medium for the two times of measurement enters from the module N and is discharged from the module 1 after sequentially passing through each module, one side of each of the N double pipe heat exchanger modules is arranged in series, specifically, an outlet of the module 1 is communicated with an inlet of the module 2 through a vertical pipeline, an outlet of the module 2 is communicated with an inlet of the module 3 through a vertical pipeline, an outlet of the module 1 is arranged on the right side of an inlet of the module 2, an outlet of the module 2 is arranged on the left side of an inlet of the module 3, and the like in sequence, outlets of the N double pipe heat exchanger modules are connected in parallel through a header pipe to form a primary side, the valve is a stop valve, wherein N is a positive integer greater than or equal to 1, and the double-pipe heat exchanger module is a single-pass double-pipe heat exchanger; a double pipe heat exchanger module; the primary side adopts an aqueous medium or a water-steam mixed medium, and the normal pressure is 20MPa and the normal temperature is 360 ℃; the secondary side adopts a water medium at 0.2-3 MPa and at normal temperature.
For example, when N is 10, the heat exchange power of each double pipe heat exchanger module is about 10kW, the heat exchange power of the heat exchanger can be controlled between 10kW and 100kW by a valve, and meanwhile, the primary side outlet temperature of the heat exchanger can be accurately controlled by adjusting the flow rate of the secondary side cooling water.
In summary, the structure of the present invention comprises N double pipe heat exchanger modules, where N can be set according to design requirements. The outlet and the inlet of each double-pipe heat exchanger module are connected in series, the primary side outlets of the modules are connected in parallel to form a primary side total outlet of the heat exchanger, and whether the modules are put into operation is controlled through a stop valve, so that the conversion power adjustment is realized.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a power adjustable double pipe heat exchanger which characterized in that, includes N double pipe heat exchanger module, and N double pipe heat exchanger module shares two times, and one side time series connection of N double pipe heat exchanger module sets up, and the export of N double pipe heat exchanger module connects in parallel forms the export of once side, and every double pipe heat exchanger module corresponds and sets up a valve, and wherein, N is the positive integer that is more than or equal to 1, double pipe heat exchanger module is single-pass double pipe heat exchanger.
2. A power adjustable double pipe heat exchanger according to claim 1, wherein the common secondary medium is introduced from the first double pipe heat exchanger module, passes through each module in sequence, and is discharged from the last module.
3. A power tunable double pipe heat exchanger according to claim 1, wherein the outlet of one of the double pipe heat exchanger modules is communicated with the inlet of the other double pipe heat exchanger module, which is disposed in series between the adjacent two double pipe heat exchanger modules.
4. A power tunable double pipe heat exchanger according to claim 3, wherein the outlet of one of the double pipe heat exchanger modules is disposed on the same side as the inlet of the other double pipe heat exchanger module.
5. A power tunable double pipe heat exchanger according to claim 3, wherein N double pipe heat exchanger modules are arranged in parallel in a row.
6. The double-pipe heat exchanger with adjustable power as claimed in claim 1, wherein the primary side uses an aqueous medium or a water-steam mixed medium, and the primary side is between normal pressure and 20MPa and between normal temperature and 360 ℃; the secondary side adopts a water medium at 0.2-3 MPa and at normal temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010363723.3A CN111412767A (en) | 2020-04-30 | 2020-04-30 | Power-adjustable double-pipe heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010363723.3A CN111412767A (en) | 2020-04-30 | 2020-04-30 | Power-adjustable double-pipe heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111412767A true CN111412767A (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010363723.3A Pending CN111412767A (en) | 2020-04-30 | 2020-04-30 | Power-adjustable double-pipe heat exchanger |
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| CN (1) | CN111412767A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790623A (en) * | 2021-10-27 | 2021-12-14 | 中国核动力研究设计院 | Regenerative heat exchanger structure with wide-range working power and control method |
| CN113970270A (en) * | 2021-10-27 | 2022-01-25 | 中国核动力研究设计院 | Multi-regenerative heat exchanger combination device and operation control method |
Citations (11)
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|---|---|---|---|---|
| GB728592A (en) * | 1951-11-29 | 1955-04-20 | Foster Wheeler Ltd | Improvements in and relating to heat exchangers |
| US3920068A (en) * | 1973-06-22 | 1975-11-18 | Dorr Oliver Inc | Concentric double-pipe horizontal heat exchanger for fiber containing fluids |
| JP2003014353A (en) * | 2001-06-29 | 2003-01-15 | Hidetoshi Okubo | Cold storage method |
| CN2628980Y (en) * | 2003-05-28 | 2004-07-28 | 许成祥 | Sleeve type heat exchanger |
| CN101290195A (en) * | 2007-04-16 | 2008-10-22 | 罗国志 | Semi-closed casing heat exchanger |
| CN104006681A (en) * | 2013-02-27 | 2014-08-27 | 周杰 | Heat exchange device |
| CN204630431U (en) * | 2015-03-11 | 2015-09-09 | 张家口科雷传热设备有限公司 | A kind of Novel telescopic heat exchanger |
| CN105953202A (en) * | 2016-05-16 | 2016-09-21 | 浙江大学 | Sensible heat storage type direct steam generation system and method based on series-connection adjustment |
| CN107726905A (en) * | 2017-09-27 | 2018-02-23 | 北京工业大学 | Horizontal-type high temperature storage heating equipment and application method |
| CN207688457U (en) * | 2017-10-20 | 2018-08-03 | 韦春东 | The bushing type heat pump of working medium deflecting |
| CN109668454A (en) * | 2018-12-04 | 2019-04-23 | 广西平果博导铝镁线缆有限公司 | The heat-exchange system of oil and water |
-
2020
- 2020-04-30 CN CN202010363723.3A patent/CN111412767A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB728592A (en) * | 1951-11-29 | 1955-04-20 | Foster Wheeler Ltd | Improvements in and relating to heat exchangers |
| US3920068A (en) * | 1973-06-22 | 1975-11-18 | Dorr Oliver Inc | Concentric double-pipe horizontal heat exchanger for fiber containing fluids |
| JP2003014353A (en) * | 2001-06-29 | 2003-01-15 | Hidetoshi Okubo | Cold storage method |
| CN2628980Y (en) * | 2003-05-28 | 2004-07-28 | 许成祥 | Sleeve type heat exchanger |
| CN101290195A (en) * | 2007-04-16 | 2008-10-22 | 罗国志 | Semi-closed casing heat exchanger |
| CN104006681A (en) * | 2013-02-27 | 2014-08-27 | 周杰 | Heat exchange device |
| CN204630431U (en) * | 2015-03-11 | 2015-09-09 | 张家口科雷传热设备有限公司 | A kind of Novel telescopic heat exchanger |
| CN105953202A (en) * | 2016-05-16 | 2016-09-21 | 浙江大学 | Sensible heat storage type direct steam generation system and method based on series-connection adjustment |
| CN107726905A (en) * | 2017-09-27 | 2018-02-23 | 北京工业大学 | Horizontal-type high temperature storage heating equipment and application method |
| CN207688457U (en) * | 2017-10-20 | 2018-08-03 | 韦春东 | The bushing type heat pump of working medium deflecting |
| CN109668454A (en) * | 2018-12-04 | 2019-04-23 | 广西平果博导铝镁线缆有限公司 | The heat-exchange system of oil and water |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790623A (en) * | 2021-10-27 | 2021-12-14 | 中国核动力研究设计院 | Regenerative heat exchanger structure with wide-range working power and control method |
| CN113970270A (en) * | 2021-10-27 | 2022-01-25 | 中国核动力研究设计院 | Multi-regenerative heat exchanger combination device and operation control method |
| CN113970270B (en) * | 2021-10-27 | 2023-07-25 | 中国核动力研究设计院 | Combined device of multiple regenerative heat exchangers and operation control method |
| CN113790623B (en) * | 2021-10-27 | 2023-07-25 | 中国核动力研究设计院 | Regenerative heat exchanger structure with wide range of working power and control method |
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Application publication date: 20200714 |