CN211903867U - Waste heat discharge heat exchanger device using heat pipe as heat conducting element - Google Patents
Waste heat discharge heat exchanger device using heat pipe as heat conducting element Download PDFInfo
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- CN211903867U CN211903867U CN201921635929.6U CN201921635929U CN211903867U CN 211903867 U CN211903867 U CN 211903867U CN 201921635929 U CN201921635929 U CN 201921635929U CN 211903867 U CN211903867 U CN 211903867U
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- 239000002918 waste heat Substances 0.000 title claims abstract description 27
- 238000001704 evaporation Methods 0.000 claims abstract description 63
- 230000008020 evaporation Effects 0.000 claims abstract description 63
- 238000009833 condensation Methods 0.000 claims abstract description 57
- 230000005494 condensation Effects 0.000 claims abstract description 57
- 238000012546 transfer Methods 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910001868 water Inorganic materials 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 2
- 229910052753 mercury Inorganic materials 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011162 core material Substances 0.000 claims 2
- 230000005484 gravity Effects 0.000 claims 2
- 230000000704 physical effect Effects 0.000 claims 1
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 32
- 238000011160 research Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 9
- 239000003758 nuclear fuel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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Abstract
A waste heat discharge heat exchanger device using a heat pipe as a heat conducting element belongs to the field of nuclear power high-performance heat transfer research. The invention mainly utilizes the heat pipe as the main part of the waste heat discharge heat exchanger, uses high-temperature fluid as the heat source of the heat pipe evaporation section for convection heat transfer in the evaporation cavity, uses low-temperature fluid as the cold source of the heat pipe condensation section for convection heat transfer in the condensation cavity, and realizes heat transfer from the heat pipe evaporation section to the heat pipe condensation section in a way of phase change and continuous circulation of working medium in the heat pipe so as to discharge the waste heat of the reactor. The heat pipe heat exchanger mainly comprises a hot side inlet valve, a hot side inlet section pipe joint, an evaporation cavity, a heat pipe evaporation section, a hot side outlet section pipe joint, a hot side outlet valve, an evaporation cavity pipe plate, a heat pipe heat insulation section, a condensation cavity pipe plate, a condensation cavity, a heat pipe condensation section, a cold side inlet valve, a cold side inlet section pipe joint, a cold side outlet section pipe joint and a cold side outlet valve. The invention has the advantages of high-efficiency heat transmission, better safety and reliability and the like.
Description
Technical Field
The invention relates to a waste heat discharge heat exchanger device using a heat pipe as a heat conducting element, belonging to the field of nuclear power high-performance heat transfer research.
Background
The nuclear fuel has the advantages of high energy concentration, less material consumption, no need of air combustion supporting and the like, so that the nuclear fuel can be used as special power of rockets, artificial satellites, submarines, aircraft carriers and the like, and can be applied to the aspects of power generation, seawater desalination and the like. However, when the nuclear fuel is utilized to generate the heat released by the reaction in the reactor, a large amount of heat is also released to the external environment through the heat exchange equipment, and the search for a safe, reliable and efficient cooling system heat exchange equipment capable of discharging the heat out of the reactor becomes important for the current research. Compared with the conventional heat exchange equipment of a nuclear reactor cooling system, the heat pipe is used as a passive heat exchange element for realizing heat transfer by means of phase change and continuous circulation of internal working media, and has the advantages of high heat transfer efficiency, small pressure loss, high working reliability and the like. In addition, because each heat pipe in the heat pipe waste heat discharge heat exchanger is relatively independent, even if a single heat pipe fails, the normal work of other heat pipes is not influenced, and the whole heat pipe waste heat discharge heat exchanger does not need to be replaced. Therefore, if the heat pipe waste heat discharge heat exchanger can be applied to a nuclear reactor cooling system, the danger of failure of the whole nuclear reactor cooling system caused by damage of a single heat transfer element can be greatly reduced, and the maintenance and operation cost of heat exchange equipment of the cooling system can be effectively reduced.
At present, the research on the heat pipe waste heat discharge heat exchanger in the nuclear power field is few, and especially, the research still has many defects aiming at the flowing and heat transfer mechanism of the internal working medium in the working process of the heat pipe, the design calculation of the heat pipe heat exchanger and the application of the heat pipe heat exchanger in the nuclear power aspect.
This patent utilizes heat pipe waste heat discharge heat exchanger technique, regard high temperature fluid as heat pipe evaporation zone convection heat transfer's heat source, low temperature fluid is as the cold source of heat pipe condensation segment, use the inside working medium phase change of heat pipe and continuous cycle to realize the active high-efficient transmission of heat non, avoided the waste heat to pile up unable discharge, has practiced thrift conventional cooling water system water yield and electric quantity, thereby direct nuclear reactor cooling system heat transfer equipment has optimized, has promoted nuclear reactor cooling system heat transfer equipment's safety.
Disclosure of Invention
The invention aims to provide a waste heat discharge heat exchanger device using a heat pipe as a heat conducting element.
The heat pipe heat exchanger comprises a hot side inlet valve (1), a hot side inlet section pipe joint (2), an evaporation cavity (3), a heat pipe evaporation section (4), a hot side outlet section pipe joint (5), a hot side outlet valve (6), an evaporation cavity pipe plate (7), a heat pipe heat insulation section (8), a condensation cavity pipe plate (9), a condensation cavity (10), a heat pipe condensation section (11), a cold side inlet valve (12), a cold side inlet section pipe joint (13), a cold side outlet section pipe joint (14) and a cold side outlet valve (15).
Wherein the outlet of the hot side inlet valve (1) is connected with the inlet of the hot side inlet section pipe joint (2), the outlet of the hot side inlet section pipe joint (2) is connected with the inlet of the evaporation cavity (3), the outlet of the evaporation cavity (3) is connected with the inlet of the hot side outlet section pipe joint (5), the outlet of the hot side outlet section pipe joint (5) is connected with the inlet of the hot side outlet valve (6), the heat pipe evaporation section (4), the heat pipe insulation section (8) and the heat pipe condensation section (11) are fixedly embedded in the evaporation cavity (3) and the condensation cavity (10) through the evaporation cavity pipe plate (7) and the condensation cavity pipe plate (9), the inner walls of the heat pipe evaporation section (4), the heat pipe insulation section (8) and the heat pipe condensation section (11) are coated with wicks, the outlet of the cold side inlet valve (12) is connected with the inlet of the cold side inlet section pipe joint (13), the outlet of the cold side inlet section pipe joint (13) is connected, the outlet of the condensation chamber (10) is connected to the inlet of a cold-side outlet pipe connection (14), and the outlet of the cold-side outlet pipe connection (14) is connected to the inlet of a cold-side outlet valve (15).
In a hot side loop, a hot side inlet valve (1) is opened, high-temperature fluid flows through the hot side inlet valve (1) under the driving of power of the hot side loop, then the high-temperature fluid enters an evaporation cavity (3) through a hot side inlet section pipe joint (2), the high-temperature fluid and a heat pipe evaporation section (4) exchange heat through convection heat, the heat pipe evaporation section (4) absorbs heat, the temperature of the high-temperature fluid is reduced, the high-temperature fluid flows through a hot side outlet section pipe joint (5), a hot side outlet valve (6) is opened, and the high-temperature fluid flows out through the hot side outlet valve (6.
In the internal circulation of the heat pipe, heat is transferred from high-temperature fluid in the evaporation cavity (3) to a liquid-vapor interface in the evaporation section (4) of the heat pipe through the pipe wall of the heat pipe and a liquid absorption core filled with working liquid, the liquid is evaporated on the liquid-vapor interface in the evaporation section (4) of the heat pipe, vapor generated in the evaporation section (4) of the heat pipe flows through a heat pipe insulation section (8) under a slight pressure difference and is condensed on the vapor-liquid interface in a condensation section (11) of the heat pipe, heat is transferred from the vapor-liquid interface to low-temperature fluid in the condensation cavity (10) through the liquid absorption core, the liquid and the pipe wall, and working medium in the condensation section (11) of the heat pipe flows back to the evaporation section (4) of the heat pipe under the action of capillary force.
In the cold side loop, a cold side inlet valve (12) is opened, the low-temperature fluid flows through the cold side inlet valve (12) under the pushing of the power of the cold side loop and then enters a condensation chamber (10) through a cold side inlet section pipe joint (13), after the low-temperature fluid and a heat pipe condensation section (11) exchange heat through convection heat transfer, the heat pipe condensation section (11) releases heat, the temperature of the low-temperature fluid rises, the low-temperature fluid flows through a cold side outlet section pipe joint (14), a cold side outlet valve (15) is opened, and the low-temperature fluid flows out through the cold side outlet.
The main heat transfer component of the device is a heat pipe or a two-phase closed thermosiphon or a component which realizes heat transfer by two times of simple phase change in a closed space.
The medium in the heat pipe can be water, sodium, potassium, ethanol, naphthalene, mercury and ammonia.
The type of the hot side inlet section pipe joint (2) connected into the evaporation cavity (3) and the type of the hot side outlet section pipe joint (5) connected out of the evaporation cavity (3) in the waste heat discharge heat exchanger device can be centering, tangential, multi-inlet, axial and the combination thereof, and the type of the cold side inlet section pipe joint (13) connected into the condensation cavity (10) and the type of the cold side outlet section pipe joint (14) connected out of the condensation cavity (10) can be centering, tangential, multi-outlet, axial and the combination thereof.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Reference designations in FIG. 1: 1. the heat pipe cooling system comprises a hot side inlet valve, 2 a hot side inlet section pipe joint, 3 an evaporation cavity, 4 a heat pipe evaporation section, 5 a hot side outlet section pipe joint, 6 a hot side outlet valve, 7 an evaporation cavity pipe plate, 8 a heat pipe insulation section, 9 a condensation cavity pipe plate, 10 a condensation cavity, 11 a heat pipe condensation section, 12 a cold side inlet valve, 13 a cold side inlet section pipe joint, 14 a cold side outlet section pipe joint and 15 a cold side outlet valve.
FIG. 2 is a partial schematic view of a heat pipe according to the present invention.
Reference number designation in figure 2: 4. the heat pipe comprises a heat pipe evaporation section 8, a heat pipe heat insulation section 11 and a heat pipe condensation section.
Detailed Description
As shown in fig. 1, a waste heat discharging heat exchanger device using heat pipes as heat conducting elements mainly comprises a hot side inlet valve 1, a hot side inlet section pipe joint 2, an evaporation cavity 3, a heat pipe evaporation section 4, a hot side outlet section pipe joint 5, a hot side outlet valve 6, an evaporation cavity pipe plate 7, a heat pipe insulation section 8, a condensation cavity pipe plate 9, a condensation cavity 10, a heat pipe condensation section 11, a cold side inlet valve 12, a cold side inlet section pipe joint 13, a cold side outlet section pipe joint 14 and a cold side outlet valve 15.
The outlet of the hot side inlet valve 1 is connected with the inlet of the hot side inlet section pipe joint 2, the outlet of the hot side inlet section pipe joint 2 is connected with the inlet of the evaporation cavity 3, the outlet of the evaporation cavity 3 is connected with the inlet of the hot side outlet section pipe joint 5, the outlet of the hot side outlet section pipe joint 5 is connected with the inlet of the hot side outlet valve 6, the heat pipe evaporation section 4, the heat pipe insulation section 8 and the heat pipe condensation section 11 are fixedly embedded in the evaporation cavity 3 and the condensation cavity 10 through the evaporation cavity pipe plate 7 and the condensation cavity pipe plate 9, the inner walls of the heat pipe evaporation section 4, the heat pipe heat insulation section 8 and the heat pipe condensation section 11 are covered with wicks, the outlet of a cold side inlet valve 12 is connected with the inlet of a cold side inlet section pipe joint 13, the outlet of the cold side inlet section pipe joint 13 is connected with the inlet of a condensation chamber 10, the outlet of the condensation chamber 10 is connected with the inlet of a cold side outlet section pipe joint 14, and the outlet of the cold side outlet section pipe joint 14 is connected with the inlet of a cold side outlet valve 15.
In the hot side loop, a hot side inlet valve 1 is opened, high-temperature fluid flows through the hot side inlet valve 1 under the driving of power of the hot side loop, then the high-temperature fluid enters an evaporation cavity 3 through a hot side inlet section pipe joint 2, after the high-temperature fluid and a heat pipe evaporation section 4 exchange heat through convection heat transfer, the heat pipe evaporation section 4 absorbs heat, the temperature of the high-temperature fluid is reduced, the high-temperature fluid flows through a hot side outlet section pipe joint 5, a hot side outlet valve 6 is opened, and the high-temperature fluid flows out through the hot side outlet valve.
In the internal circulation of the heat pipe, heat is transferred from high-temperature fluid in the evaporation cavity 3 to a liquid-vapor interface in the evaporation section 4 of the heat pipe through the pipe wall of the heat pipe and a wick filled with working liquid, the liquid is evaporated on the liquid-vapor interface in the evaporation section 4 of the heat pipe, vapor generated in the evaporation section 4 of the heat pipe flows through the heat insulation section 8 of the heat pipe under a slight pressure difference and is condensed on the vapor-liquid interface in the condensation section 11 of the heat pipe, heat is transferred from the vapor-liquid interface to low-temperature fluid in the condensation cavity 10 through the wick, the liquid and the pipe wall, and the working medium in the condensation section 11 of the heat pipe flows back to the evaporation section 4 of the heat pipe along a porous material under the action of capillary.
In the cold side loop, a cold side inlet valve 12 is opened, the low-temperature fluid flows through the cold side inlet valve 12 under the pushing of the power of the cold side loop and then enters the condensation chamber 10 through a cold side inlet section pipe joint 13, after the low-temperature fluid and the heat pipe condensation section 11 exchange heat through convection heat transfer, the heat pipe condensation section 11 releases heat, the temperature of the low-temperature fluid rises, the low-temperature fluid flows through a cold side outlet section pipe joint 14, a cold side outlet valve 15 is opened, and the low-temperature fluid flows out through the cold side outlet valve.
The invention utilizes a heat pipe or a two-phase closed thermosiphon or a part which realizes heat transfer by two times of simple phase change in a closed space as a main part of a waste heat discharge heat exchanger, uses high-temperature fluid as a heat source for the convection heat transfer of an evaporation section of the heat pipe in an evaporation cavity, uses low-temperature fluid as a cold source for the convection heat transfer of a condensation section of the heat pipe in the condensation cavity, realizes the heat transfer from the evaporation section of the heat pipe to the condensation section of the heat pipe in a way of phase change of working media in the heat pipe and continuous circulation, discharges the waste heat of a reactor, provides a new thought and a solution for heat exchange equipment of a cooling system of the nuclear reactor, and provides a safe and efficient heat.
Claims (8)
1. The utility model provides an use waste heat removal heat exchanger device of heat pipe as heat-conducting element which characterized in that:
the heat pipe heat exchanger comprises a hot side inlet valve (1), a hot side inlet section pipe joint (2), an evaporation cavity (3), a heat pipe evaporation section (4), a hot side outlet section pipe joint (5), a hot side outlet valve (6), an evaporation cavity pipe plate (7), a heat pipe heat insulation section (8), a condensation cavity pipe plate (9), a condensation cavity (10), a heat pipe condensation section (11), a cold side inlet valve (12), a cold side inlet section pipe joint (13), a cold side outlet section pipe joint (14) and a cold side outlet valve (15);
wherein the outlet of the hot side inlet valve (1) is connected with the inlet of the hot side inlet section pipe joint (2), the outlet of the hot side inlet section pipe joint (2) is connected with the inlet of the evaporation cavity (3), the outlet of the evaporation cavity (3) is connected with the inlet of the hot side outlet section pipe joint (5), the outlet of the hot side outlet section pipe joint (5) is connected with the inlet of the hot side outlet valve (6), the heat pipe evaporation section (4), the heat pipe insulation section (8) and the heat pipe condensation section (11) are fixedly embedded in the evaporation cavity (3) and the condensation cavity (10) through the evaporation cavity pipe plate (7) and the condensation cavity pipe plate (9), the inner walls of the heat pipe evaporation section (4), the heat pipe insulation section (8) and the heat pipe condensation section (11) are coated with wicks, the outlet of the cold side inlet valve (12) is connected with the inlet of the cold side inlet section pipe joint (13), the outlet of the cold side inlet section pipe joint (13) is connected, the outlet of the condensation chamber (10) is connected to the inlet of a cold-side outlet pipe connection (14), and the outlet of the cold-side outlet pipe connection (14) is connected to the inlet of a cold-side outlet valve (15).
2. A waste heat discharging heat exchanger device using a heat pipe as a heat conducting member according to claim 1, wherein:
the main heat transfer component of the device is a heat pipe or a two-phase closed thermosiphon or a component which realizes heat transfer by two times of simple phase change in a closed space.
3. A waste heat discharging heat exchanger device using a heat pipe as a heat conducting member according to claim 1, wherein:
the waste heat discharge heat exchanger device is divided into two cavities, wherein the lower side is an evaporation cavity (3), the upper side is a condensation cavity (10), and the upper side and the lower side are along the gravity direction.
4. A waste heat discharging heat exchanger device using a heat pipe as a heat conducting member according to claim 1, wherein:
the heat pipe comprises a liquid absorption core heat pipe, a two-phase closed thermosiphon, a gravity auxiliary heat pipe, a rotary heat pipe, a loop heat pipe, an oscillating heat pipe and a flat heat pipe.
5. The waste heat removal heat exchanger device using heat pipes as heat conductive members according to claim 4, wherein:
the wick structure of the heat pipe with the wick comprises a wire mesh type, a sintered type and a groove type.
6. A waste heat discharging heat exchanger device using a heat pipe as a heat conducting member according to claim 1, wherein:
the working medium in the heat pipe can be water, sodium, potassium, ethanol, naphthalene, mercury and ammonia according to different heat pipe working temperature areas, saturated vapor pressure, compatibility and thermal stability of the working medium and a shell liquid absorption core material and the thermal physical property of the working medium.
7. A waste heat discharging heat exchanger device using a heat pipe as a heat conducting member according to claim 1, wherein:
the evaporation cavity tube plate (7) and the condensation cavity tube plate (9) are sealing devices for separating hot and cold flow channels.
8. A waste heat discharging heat exchanger device using a heat pipe as a heat conducting member according to claim 1, wherein:
the type of the hot side inlet section pipe joint (2) connected into the evaporation cavity (3) and the type of the hot side outlet section pipe joint (5) connected out of the evaporation cavity (3) in the waste heat discharge heat exchanger device can be centering, tangential, multi-inlet, axial and the combination thereof, and the type of the cold side inlet section pipe joint (13) connected into the condensation cavity (10) and the type of the cold side outlet section pipe joint (14) connected out of the condensation cavity (10) can be centering, tangential, multi-outlet, axial and the combination thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921635929.6U CN211903867U (en) | 2019-09-27 | 2019-09-27 | Waste heat discharge heat exchanger device using heat pipe as heat conducting element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921635929.6U CN211903867U (en) | 2019-09-27 | 2019-09-27 | Waste heat discharge heat exchanger device using heat pipe as heat conducting element |
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| Publication Number | Publication Date |
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| CN211903867U true CN211903867U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921635929.6U Active CN211903867U (en) | 2019-09-27 | 2019-09-27 | Waste heat discharge heat exchanger device using heat pipe as heat conducting element |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500907A (en) * | 2019-09-27 | 2019-11-26 | 南京工业大学 | Waste heat discharge heat exchanger device using heat pipe as heat conducting element |
| CN113218222A (en) * | 2021-04-12 | 2021-08-06 | 南京航空航天大学 | Domestic bathing waste water waste heat utilization equipment based on flat heat pipe |
-
2019
- 2019-09-27 CN CN201921635929.6U patent/CN211903867U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500907A (en) * | 2019-09-27 | 2019-11-26 | 南京工业大学 | Waste heat discharge heat exchanger device using heat pipe as heat conducting element |
| CN113218222A (en) * | 2021-04-12 | 2021-08-06 | 南京航空航天大学 | Domestic bathing waste water waste heat utilization equipment based on flat heat pipe |
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