CN108364701B - Self-circulation system of high-voltage helium cold driving motor - Google Patents
Self-circulation system of high-voltage helium cold driving motor Download PDFInfo
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- CN108364701B CN108364701B CN201810410301.XA CN201810410301A CN108364701B CN 108364701 B CN108364701 B CN 108364701B CN 201810410301 A CN201810410301 A CN 201810410301A CN 108364701 B CN108364701 B CN 108364701B
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- 239000001307 helium Substances 0.000 title claims abstract description 35
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 35
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 239000007789 gas Substances 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000002474 experimental method Methods 0.000 claims description 7
- 230000007547 defect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000010248 power generation Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
Abstract
A self-circulation system of a high-pressure helium cold driving motor belongs to a heat transfer system of a nuclear reactor. Aiming at the defects that the existing circulation system cannot automatically regulate the flow, cannot instantaneously detect the flow and is unsafe in working environment, the invention provides the self-circulation system of the high-voltage helium cold driving motor, which can automatically regulate the flow, can realize random instantaneous detection and is safe and reliable in working environment. In the invention, a gas storage bottle is connected with a low-pressure buffer bin, the low-pressure buffer bin is connected with a gas return bottle through a high-pressure air pump and a fourth pressure transmitter, the bottle mouth of the gas storage bottle is connected with an inlet at the bottom of a high-pressure experimental bin through two branches, the top of the high-pressure experimental bin is connected with the low-pressure buffer bin, and three pressure transmitters are respectively positioned on the high-pressure experimental bin, the low-pressure buffer bin and the gas storage bottle and are simultaneously connected with a control cabinet; the driving motor is installed in the high-voltage experimental bin, and a plurality of detection units are fixed on the driving motor and are simultaneously connected with the control cabinet. The invention mainly provides a helium cooling circulation environment for a nuclear reactor heat transfer system.
Description
Technical Field
The invention belongs to a heat transfer system of a nuclear reactor, and particularly relates to a self-circulation system of a high-pressure helium cold driving motor.
Background
At present, fossil energy reserves on the earth are limited, and the environment is polluted in the using process, so that the health of human beings and other organisms is endangered, renewable energy sources (wind energy, solar energy and tidal energy) are limited, the utilization rate of the renewable energy sources is low, the world faces the problems of energy shortage, environmental pollution and the like, nuclear energy power generation is a clean energy source capable of replacing fossil energy sources on a large scale, continuously meeting the increasing power demand and improving the energy consumption at present, and particularly relieving the emission of greenhouse gases. However, the safety of nuclear power has been the core of concern in its utilization. Achieving the inherent safety of nuclear reactors has been a constant pursuit of nuclear power generation system researchers and engineering technicians.
Common cooling media for high capacity generators are air, hydrogen, water, oil, freon-type media, and fluorocarbon media. The low-temperature helium cooling mainly provides a low-temperature environment for the superconducting electromagnetic device, and the heat dissipation capacity of helium in a high-temperature environment, particularly the heat transfer capacity of the helium in a complex structure of a motor, and the heat transfer model of the motor and related heat problems after the helium heat transfer medium is introduced are different from those of the traditional medium. In order to improve the safety of a reactor system and the high efficiency of the heat of the reactor core, the high-temperature cold air reactor uses helium as a heat transfer medium of the heat of the reactor core, and the helium circularly flows in a reactor loop under the pushing of a motor driving fan to realize the heat exchange between the heat of the reactor core and an off-core steam generator.
Therefore, a self-circulation system of a high-pressure helium cold driving motor which can automatically regulate the flow and realize random instantaneous detection and safe and reliable working environment is needed.
Disclosure of Invention
Aiming at the defects that the existing circulation system cannot automatically regulate the flow, cannot instantaneously detect the flow and is unsafe in working environment, the invention provides the self-circulation system of the high-voltage helium cold driving motor, which can automatically regulate the flow, can realize random instantaneous detection and is safe and reliable in working environment.
The invention relates to a self-circulation system of a high-voltage helium cold driving motor, which comprises the following technical scheme:
the invention relates to a self-circulation system of a high-pressure helium cold driving motor, which comprises an air pump, a high-pressure experiment bin, a driving motor, a first pressure transmitter, a plurality of detection units, a second pressure transmitter, a low-pressure buffer bin, a high-pressure air pump, a control cabinet, a two-position two-way reversing valve, a third pressure transmitter, a fourth pressure transmitter and an air storage bottle, wherein the air pump is connected with the high-pressure experiment bin; the bottle mouth of the gas storage bottle is connected with the inlet of the low-pressure buffer bin, the outlet of the low-pressure buffer bin is connected with the gas storage bottle through a high-pressure air pump and a fourth pressure transmitter, the bottle mouth of the gas storage bottle is connected with the inlet at the bottom of the high-pressure experimental bin through the air pump, the two-position two-way reversing valve is connected with two ends of the air pump in parallel, the outlet at the top of the high-pressure experimental bin is connected with the inlet of the low-pressure buffer bin, a first pressure transmitter is positioned on the high-pressure experimental bin, a second pressure transmitter is positioned on the low-pressure buffer bin, a third pressure transmitter is positioned on the gas storage bottle, and the first pressure transmitter, the second pressure transmitter and the third pressure transmitter are simultaneously connected with the control cabinet; the driving motor is arranged in the high-voltage experimental bin, the plurality of detection units are fixed on the driving motor, and the output ends of the plurality of detection units are simultaneously connected with the control cabinet.
Further: a filter, a pressure reducing valve and a deflation valve are further arranged between the bottle mouth of the gas storage bottle and the inlet of the low-pressure buffer bin, and the inlet of the two-position two-way reversing valve is connected with the outlet of the pressure reducing valve.
Further: and a second check valve is arranged between the high-pressure air pump and the fourth pressure transmitter.
Further: a first check valve is arranged between the air pump and the inlet at the bottom of the high-pressure experimental bin, and the outlet of the first check valve and the outlet of the two-position two-way reversing valve are simultaneously connected with the inlet at the bottom of the high-pressure experimental bin.
Further: the number of the detection units is specifically 8, and the detection units are all flow, pressure and temperature detection units.
Further: the temperature detection units in the 8 detection units adopt a thermal infrared imager to collect global temperature distribution.
Further: the rated power of the driving motor is 50KW.
The self-circulation system of the high-voltage helium cold driving motor has the beneficial effects that:
the self-circulation system of the high-pressure helium cold driving motor realizes circulation in a totally-enclosed path of helium, and the helium returns to the gas storage bottle from the gas storage bottle to the high-pressure experiment bin, so that no leakage exists in the whole process, and the working environment is safe and reliable; the pressure and flow of helium in the conveying process can be adjusted according to the requirement, and flow, pressure and temperature detection units are arranged at each section to be detected, so that random instantaneous detection can be realized.
Drawings
FIG. 1 is a schematic diagram of a self-circulating system for a high pressure helium cold drive motor.
Detailed Description
The following embodiments are used for further illustrating the technical scheme of the present invention, but not limited thereto, and all modifications and equivalents of the technical scheme of the present invention are included in the scope of the present invention without departing from the spirit and scope of the technical scheme of the present invention.
Example 1
Referring to fig. 1, the embodiment is described, in the embodiment, a self-circulation system of a high-pressure helium cold driving motor according to the present invention includes a filter 1, a pressure reducing valve 2, an air pump 3, a deflation valve 4, a high-pressure experiment chamber 5, a driving motor 6, a first pressure transmitter 7, a plurality of detecting units, a second pressure transmitter 9, a low-pressure buffer chamber 10, a high-pressure air pump 11, a second check valve 12, a control cabinet 13, a first check valve 14, a two-position two-way reversing valve 15, a third pressure transmitter 16, a fourth pressure transmitter 17 and a gas storage bottle 18; the utility model provides a plurality of detecting element be 8 flow, pressure, temperature detecting element, the bottleneck of gas bomb 18 connect gradually filter 1, relief pressure valve 2, bleed valve 4, low pressure buffer bin 10, high-pressure air pump 11 and No. two check valves 12, return gas bomb 18 through No. four pressure transmitter 17 connection, the export 2 of relief pressure valve 2 connect the entry of air pump 3, the export of air pump 3 connect the entry of No. one check valve 14, the export of two-position two way change valve 15 connect the export of relief pressure valve 2, the export of one check valve 14 and the export of two-position two way change valve 15 connect the entry of high pressure buffer bin 5 bottom simultaneously, the export of high pressure buffer bin 5 top connect the entry of low pressure buffer bin 10, driving motor 6 install in high pressure buffer bin 5, 8 flow, pressure, temperature detecting element's the export of 8, pressure, temperature detecting element connect control cabinet 13 simultaneously, no. 7 be located No. two pressure transmitter 9 and No. three pressure transmitter 5, no. 9 and No. two pressure transmitter 9 are located to the pressure transmitter 9.
More specifically: the cylinder 18 is a high pressure helium cylinder.
More specifically: the 8 detection units are all arranged on each main air path of the driving motor 6, the detection ends of the detection units are fixed on the driving motor 6, the output ends of the detection units are connected with the control cabinet 13, and the temperature detection units adopt a thermal infrared imager to collect the global temperature distribution.
More specifically: the 8 detection units are respectively a first detection unit 8-1 positioned at the top of the driving motor 6, a second detection unit 8-2, a third detection unit 8-3, a fourth detection unit 8-4, a fifth detection unit 8-5, a sixth detection unit 8-6 and a seventh detection unit 8-7 positioned at the middle of the driving motor 6, and an eighth detection unit 8-8 positioned at the bottom of the driving motor 6, wherein the eighth detection unit 8-8 is a helium gas heat conduction inlet.
More specifically: the rated power of the driving motor 6 is 50KW.
Helium gas flows in a closed path, and returns to the gas storage bottle 18 from the gas storage bottle 18 to the high-pressure experimental bin 5, so that no leakage exists in the whole process, and the working environment is safe and reliable; the pressure and flow of helium in the conveying process can be adjusted according to the requirement; flow, pressure and temperature detection units are arranged at each section to be detected, so that random instantaneous detection can be realized.
The operation process comprises the following steps: firstly, helium is discharged from a gas storage bottle 18 and flows through a filter 1 and a pressure reducing valve 2, if the pressure of the gas needs to be increased, a two-position two-way reversing valve 15 is required to be closed, a gas pump 3 is started to pressurize the gas, the gas is injected into a high-pressure experimental bin 5 after passing through a second one-way valve 14, the change of the helium pressure in the high-pressure experimental bin 5 can be detected by a first pressure transmitter 7, and the value can be observed by a display screen on a control cabinet 13; if no pressurization is needed, enabling the gas to enter the high-pressure experimental bin 5 through the two-position two-way reversing valve 15, and enabling the air pump 3 to be in a closed state; excess gas that exceeds the pressure may flow through the purge valve 4 into the surge bin 10. The two ends and the middle of the tested driving motor 6 in the high-voltage experimental bin 5 are provided with a plurality of groups of flow, pressure and temperature detection units, and each detected value can be observed through a display screen on the control cabinet 13. The gas stored in the low pressure surge bin 10 can flow through the first check valve 12 back to the gas storage bottle 18 after being pressurized by the high pressure gas pump 11, thereby forming an overall helium circulation operating environment.
Claims (5)
1. The self-circulation system of the high-pressure helium cold driving motor is characterized by comprising an air pump (3), a high-pressure experiment bin (5), a driving motor (6), a first pressure transmitter (7), a plurality of detection units, a second pressure transmitter (9), a low-pressure buffer bin (10), a high-pressure air pump (11), a control cabinet (13), a two-position two-way reversing valve (15), a third pressure transmitter (16), a fourth pressure transmitter (17) and a gas storage bottle (18); the air cylinder is characterized in that the opening of the air cylinder (18) is connected with the inlet of the low-pressure buffer bin (10), the outlet of the low-pressure buffer bin (10) is connected with the air cylinder (18) through a high-pressure air pump (11) and a fourth pressure transmitter (17), the opening of the air cylinder (18) is connected with the inlet at the bottom of the high-pressure experimental bin (5) through an air pump (3), a two-position two-way reversing valve (15) is connected with the two ends of the air pump (3) in parallel, the outlet at the top of the high-pressure experimental bin (5) is connected with the inlet of the low-pressure buffer bin (10), a first pressure transmitter (7) is positioned on the high-pressure experimental bin (5), a second pressure transmitter (9) is positioned on the low-pressure buffer bin (10), a third pressure transmitter (16) is positioned on the air cylinder (18), and the first pressure transmitter (7), the second pressure transmitter (9) and the third pressure transmitter (16) are simultaneously connected with the control cabinet (13); the driving motor (6) is arranged in the high-voltage experimental bin (5), the plurality of detection units are fixed on the driving motor (6), and the output ends of the plurality of detection units are simultaneously connected with the control cabinet (13);
a filter (1), a pressure reducing valve (2) and a deflating valve (4) are further arranged between the bottle mouth of the gas storage bottle (18) and the inlet of the low-pressure buffer bin (10), and the inlet of the two-position two-way reversing valve (15) is connected with the outlet of the pressure reducing valve (2);
a second check valve (12) is arranged between the high-pressure air pump (11) and the fourth pressure transmitter (17).
2. The self-circulation system of the high-pressure helium cold driving motor according to claim 1, wherein a first check valve (14) is arranged between the air pump (3) and the inlet at the bottom of the high-pressure experiment bin (5), and the outlet of the first check valve (14) and the outlet of the two-position two-way reversing valve (15) are simultaneously connected with the inlet at the bottom of the high-pressure experiment bin (5).
3. The self-circulation system of a high-voltage helium cooling driving motor according to claim 1, wherein the number of the plurality of detection units is specifically 8, and the detection units are all flow, pressure and temperature detection units.
4. The self-circulation system of the high-voltage helium cooling driving motor according to claim 1, wherein the temperature detection units in the 8 detection units are collected by adopting a thermal infrared imager to perform global temperature distribution.
5. A self-circulating system of a high-pressure helium cold drive motor according to claim 1, characterized in that the drive motor (6) has a rated power of 50KW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810410301.XA CN108364701B (en) | 2018-05-02 | 2018-05-02 | Self-circulation system of high-voltage helium cold driving motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410301.XA CN108364701B (en) | 2018-05-02 | 2018-05-02 | Self-circulation system of high-voltage helium cold driving motor |
Publications (2)
| Publication Number | Publication Date |
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| CN108364701A CN108364701A (en) | 2018-08-03 |
| CN108364701B true CN108364701B (en) | 2024-02-06 |
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| CN201810410301.XA Active CN108364701B (en) | 2018-05-02 | 2018-05-02 | Self-circulation system of high-voltage helium cold driving motor |
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Families Citing this family (1)
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| CN109727689B (en) * | 2019-01-16 | 2020-08-28 | 哈尔滨理工大学 | Loop system for simulating working environment of helium fan driving motor |
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