CN204455305U - A kind of containing tritium heavy water self-circulation electrolytic system - Google Patents
A kind of containing tritium heavy water self-circulation electrolytic system Download PDFInfo
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- CN204455305U CN204455305U CN201520111467.3U CN201520111467U CN204455305U CN 204455305 U CN204455305 U CN 204455305U CN 201520111467 U CN201520111467 U CN 201520111467U CN 204455305 U CN204455305 U CN 204455305U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The utility model discloses a kind of containing tritium heavy water self-circulation electrolytic system, belong to Nuclear power plants containing tritium heavy water process recovery technology field.Described system comprises electrolyzer, control unit, deuterium/oxygen interchanger, deuterium/oxygen separator, deuterium/oxygen washer, cooling water tank, cooling-water pump and water coolant secondary heat exchanger; Deuterium/oxygen interchanger, deuterium/oxygen separator be connected by pipeline successively, and deuterium/oxygen outlet self-acting valve is set on export pipeline; Cooling water tank, cooling-water pump are connected by pipeline successively with water coolant secondary heat exchanger; Electrolyzer is connected with deuterium/oxygen interchanger by pipeline, and on pipeline set temperature sensor; Deuterium/oxygen separator is communicated with electrolyzer by pipeline, and on pipeline and be connected with enrichment discharge self-acting valve; Deuterium/oxygen interchanger is connected with cooling water tank by pipeline; Deuterium/oxygen interchanger is connected with water coolant secondary heat exchanger by pipeline, and between pipeline on water coolant self-acting valve is set; Be connected by cable between control unit with system.
Description
Technical field
The utility model relates to a kind of containing tritium heavy water self-circulation electrolytic system, particularly relates to a kind of high concentration basic and certainly follows electrolytic system containing tritium heavy water, belong to and reclaim relevant technical field to Nuclear power plants containing the process of tritium heavy water.
Background technology
The proportion of nuclear power shared by China's energy system improves year by year, and the Nuclear power plants quantity put into operation every year also constantly increases, and creates a large amount of band active containing tritium heavy water thereupon.When in heavy water, the content of tritium reaches finite concentration, its radioactivity will cause very large harm to the people of surrounding and equipment, therefore must process it.Treatment process is in the past buried after being sealed, and this kind of mode exists the risk of radioactive material leakage, is also a kind of waste greatly to heavy water and tritium.At present, recent studies on exploitation has containing tritium heavy water treatment process: vapor catalyzed switching technology, liquid-phase catalysis switching technology and electrolytic enrichment method.Electrolytic process has that cost is low, flow process is simple, operational condition is gentle and electrolyzer concentration factor advantages of higher, becomes the main method containing the process of tritium heavy water.Aforesaid method leaks for preventing radioactive substance, and prevent the ortho-water steam in air to be mixed into heavy water, affect the purity of heavy water, process containing tritium heavy water need be carried out in closed system, but this can not get rid of possibility tritium occurring and leaks completely, and alkalescence can not realize full automatic control or Long-distance Control containing tritium heavy water electrolysis enrichment system, and operator can be caused to suffer radiation damage.
Utility model content
The purpose of this utility model is to provide a kind of containing tritium heavy water self-circulation electrolytic system, and described system process is simple, and operational condition is gentle, and electrolytic process full automatic control, prevents contingent radioactive substance from leaking the injury caused operator.
The purpose of this utility model is realized by following technical scheme:
A kind of containing tritium heavy water self-circulation electrolytic system, described system mainly comprises electrolyzer, deuterium separation assembly, oxygen separating assembly, cooling module and control unit;
Wherein, the top of described electrolyzer is provided with the outlet of deuterium component and the outlet of oxygen component, and bottom is provided with alkali lye refluxing opening;
Described deuterium separation assembly comprises deuterium interchanger, deuterium separator, deuterium washer and deuterium outlet self-acting valve; Described deuterium separator is provided with deuterium side liquid level sensor, alkali lye outlet, deuterium outlet and deuterium component inlet to be separated;
Described oxygen separating assembly comprises oxygen interchanger, oxygen separator, oxygen washer and oxygen outlet self-acting valve, described oxygen separator is arranged aerobic side liquid level sensor, alkali lye outlet, oxygen outlet and oxygen component inlet to be separated;
Described cooling module comprises cooling water tank, cooling-water pump and water coolant secondary heat exchanger;
Integrated connection closes:
The deuterium component inlet to be separated of described deuterium separator is communicated with by the hot fluid outlet ports of pipe connecting with deuterium interchanger, and deuterium exports the inlet communication by pipe connecting and deuterium washer, and on the export pipeline of deuterium washer, be provided with deuterium outlet self-acting valve; The oxygen component inlet to be separated of described oxygen separator is by the outlet of pipe connecting and oxygen interchanger, and oxygen outlet is communicated with by the entrance of pipe connecting with oxygen washer, and on the export pipeline of oxygen washer, arrange aerobic outlet self-acting valve; The deuterium component outlet of described electrolyzer is communicated with by the thermal fluid inlet of pipe connecting with deuterium interchanger, and oxygen component is exported and is communicated with by the thermal fluid inlet of pipe connecting with oxygen interchanger, and pipeline between electrolyzer and oxygen interchanger is provided with temperature sensor; Described deuterium separator alkali lye outlet and oxygen separator alkali lye outlet be all communicated with the alkali lye refluxing opening of electrolyzer by pipe connecting, and on described pipe connecting and be connected with enrichment discharge self-acting valve; Cooling water tank, the cooling-water pump of described cooling module are connected by pipe connecting successively with water coolant secondary heat exchanger; The entrance of cooling water of described deuterium interchanger and the entrance of cooling water of oxygen interchanger are all led to by the cooling twice water out of pipe connecting and water coolant secondary heat exchanger, and pipeline between oxygen interchanger and water coolant secondary heat exchanger connect is provided with water coolant self-acting valve; The cooling water outlet of described deuterium interchanger is all communicated with the cooling water inlet of cooling water tank by pipe connecting with the cooling water outlet of oxygen interchanger; Described control unit and deuterium export self-acting valve, oxygen exports self-acting valve, water coolant self-acting valve, enrichment are discharged self-acting valve, temperature sensor, are all connected by cable between deuterium side liquid level sensor and oxygen side liquid level sensor.
Further, described deuterium interchanger and oxygen interchanger are coil heat exchanger.
Principle of work:
Deuterium and oxygen is produced after electrolytic solution energising in electrolyzer; Wherein, described deuterium and alkali lye mixture rely on self lift to enter after deuterium interchanger tentatively cools, and be separated in deuterium separator, deuterium rises and enters deuterium washer, and alkaline stream returns electrolyzer; Described oxygen and alkali lye mixture rely on self lift to enter after oxygen interchanger tentatively cools, and be separated in oxygen separator, oxygen rises and enters oxygen washer, and alkaline stream returns electrolyzer; Water coolant enters cooling-water pump from cooling water tank, enters deuterium interchanger and oxygen interchanger, get back to cooling water tank after absorption system heat after supercooled water secondary heat exchanger.
Described electrolytic process is exothermic process, and system temperature constantly raises close to after working temperature, and cooling module is started working, cooling-water pump starts, the system temperature feedback signal that control unit collects according to temperature sensor, the aperture of controlled cooling model water self-acting valve, reaches the object of Controlling System temperature.
Described electrolytic system is work system with pressure, electrolysis is constantly carried out to system pressure constantly to be raised, the liquid level feedback signal that control unit collects according to deuterium side liquid level sensor and oxygen side liquid level sensor, control the aperture of deuterium outlet self-acting valve and oxygen outlet self-acting valve, ensure system pressure and deuterium, oxygen both sides level stability.When electrolysis time reaches design requirements, control unit opens enrichment bleed valve, is discharged by the tritium heavy water that contains after concentrating.
Beneficial effect
(1) system process described in the utility model is simple, and operational condition is gentle, and electrolytic process full automatic control, prevents contingent radioactive substance to leak the injury caused operator.
(2) system described in the utility model adopts enclosed water coolant mode, by the method that secondary cools, system media and external water coolant can not be co-existed in same interchanger simultaneously, can avoid once interchanger occurs to leak cause the radiocontamination caused external water coolant medium.
(3) the deuterium interchanger of system described in the utility model and oxygen interchanger all use coil heat exchanger, can reduce the solder joint of condenser, isolated system medium, reduce probability tritium occurring and leaks.
(4) system described in the utility model also can with hydrogen isotopic exchange system, low temperature distillation system coupling, obtain neutral high radioactivity containing tritium heavy water, realize the recovery of tritium resource.
Accompanying drawing explanation
Fig. 1 is the structural representation containing tritium heavy water self-circulation electrolytic system described in the utility model;
Wherein, 1-electrolyzer, 2-deuterium interchanger, 3-oxygen interchanger, 4-deuterium separator, 5-oxygen separator, 6-deuterium washer, 7-oxygen washer, 8-cooling water tank, 9-cooling-water pump, 10-water coolant secondary heat exchanger, 11-enrichment discharge self-acting valve, 12-deuterium outlet self-acting valve, 13-deuterium outlet self-acting valve, 14-water coolant self-acting valve, 15-deuterium side liquid level sensor, 16-oxygen side liquid level sensor, 17-temperature sensor.
Embodiment
Below in conjunction with the drawings and specific embodiments in detail the utility model is described in detail, but is not limited thereto.
Embodiment
A kind of containing tritium heavy water self-circulation electrolytic system, as shown in Figure 1, it mainly comprises electrolyzer 1, deuterium separation assembly, oxygen separating assembly, cooling module and control unit to the structural representation of described system;
Wherein, the top of described electrolyzer 1 is provided with the outlet of deuterium component and the outlet of oxygen component, and bottom is provided with alkali lye refluxing opening;
Described deuterium separation assembly comprises deuterium interchanger 2, deuterium separator 4, deuterium washer 6 and deuterium outlet self-acting valve 12; Described deuterium separator 4 is provided with deuterium side liquid level sensor 15, alkali lye outlet, deuterium outlet and deuterium component inlet to be separated;
Described oxygen separating assembly comprises oxygen interchanger 3, oxygen separator 5, oxygen washer 7 and oxygen outlet self-acting valve 13, described oxygen separator 5 is arranged aerobic side liquid level sensor 16, alkali lye outlet, oxygen outlet and oxygen component inlet to be separated;
Described cooling module comprises cooling water tank 8, cooling-water pump 9 and water coolant secondary heat exchanger 10;
Integrated connection closes:
The deuterium component inlet to be separated of described deuterium separator 4 is communicated with by the hot fluid outlet ports of pipe connecting with deuterium interchanger 2, and deuterium exports the inlet communication by pipe connecting and deuterium washer 6, and on the export pipeline of deuterium washer 6, be provided with deuterium outlet self-acting valve 12; The oxygen component inlet to be separated of described oxygen separator 5 is by the outlet of pipe connecting and oxygen interchanger 3, and oxygen outlet is communicated with by the entrance of pipe connecting with oxygen washer 7, and on the export pipeline of oxygen washer 7, arrange aerobic outlet self-acting valve 13; The deuterium component outlet of described electrolyzer 1 is communicated with by the thermal fluid inlet of pipe connecting with deuterium interchanger 2, the outlet of oxygen component is communicated with by the thermal fluid inlet of pipe connecting with oxygen interchanger 3, and pipeline between electrolyzer 1 and oxygen interchanger 3 is provided with temperature sensor 17; Described deuterium separator 4 alkali lye outlet and oxygen separator 5 alkali lye outlet be all communicated with the alkali lye refluxing opening of electrolyzer 1 by pipe connecting, and on described pipe connecting and be connected with enrichment discharge self-acting valve 11; Cooling water tank 8, the cooling-water pump 9 of described cooling module are connected by pipe connecting successively with water coolant secondary heat exchanger 10; The entrance of cooling water of described deuterium interchanger 2 and the entrance of cooling water of oxygen interchanger 3 are all led to by the cooling twice water out of pipe connecting and water coolant secondary heat exchanger 10, and pipeline between oxygen interchanger 3 and water coolant secondary heat exchanger 10 connect is provided with water coolant self-acting valve 14; The cooling water outlet of described deuterium interchanger 2 is all communicated with by the cooling water inlet of pipe connecting with cooling water tank 8 with the cooling water outlet of oxygen interchanger 3; Described control unit and deuterium export self-acting valve 12, oxygen exports self-acting valve 13, water coolant self-acting valve 14, enrichment are discharged self-acting valve 11, temperature sensor 17, are all connected by cable between deuterium side liquid level sensor 15 and oxygen side liquid level sensor 16.
Further, described deuterium interchanger 2 and oxygen interchanger 3 are coil heat exchanger.
Principle of work:
Deuterium and oxygen is produced after electrolytic solution energising in electrolyzer 1; Wherein, described deuterium and alkali lye mixture rely on self lift to enter after deuterium interchanger 2 tentatively cool, and be separated in deuterium separator 4, deuterium rising enters deuterium washer 6, and alkaline stream returns electrolyzer 1; Described oxygen and alkali lye mixture rely on self lift to enter after oxygen interchanger 3 tentatively cool, and be separated in oxygen separator 5, oxygen rising enters oxygen washer 7, and alkaline stream returns electrolyzer 1; Water coolant enters cooling-water pump 9 from cooling water tank 8, enters deuterium interchanger 2 and oxygen interchanger 3, get back to cooling water tank 8 after absorption system heat after supercooled water secondary heat exchanger 10.
Described electrolytic process is exothermic process, system temperature constantly raises close to after working temperature, cooling module is started working, cooling-water pump 9 starts, the system temperature feedback signal that control unit collects according to temperature sensor 17, the aperture of controlled cooling model water self-acting valve 14, reaches the object of Controlling System temperature.
Described electrolytic system is work system with pressure, electrolysis is constantly carried out to system pressure constantly to be raised, the liquid level feedback signal that control unit collects according to deuterium side liquid level sensor 15 and oxygen side liquid level sensor 16, control the aperture of deuterium outlet self-acting valve 12 and oxygen outlet self-acting valve 13, ensure system pressure and deuterium, oxygen both sides level stability.When electrolysis time reaches design requirements, control unit opens enrichment bleed valve, is discharged by the tritium heavy water that contains after concentrating.
The utility model includes but not limited to above embodiment, and every any equivalent replacement of carrying out under the principle of the utility model spirit or local improvement, all will be considered as within protection domain of the present utility model.
Claims (2)
1., containing a tritium heavy water self-circulation electrolytic system, it is characterized in that: described system mainly comprises electrolyzer (1), deuterium separation assembly, oxygen separating assembly, cooling module and control unit;
Wherein, the top of described electrolyzer (1) is provided with the outlet of deuterium component and the outlet of oxygen component, and bottom is provided with alkali lye refluxing opening;
Described deuterium separation assembly comprises deuterium interchanger (2), deuterium separator (4), deuterium washer (6) and deuterium outlet self-acting valve (12); Described deuterium separator (4) is provided with deuterium side liquid level sensor (15), alkali lye outlet, deuterium outlet and deuterium component inlet to be separated;
Described oxygen separating assembly comprises oxygen interchanger (3), oxygen separator (5), oxygen washer (7) and oxygen outlet self-acting valve (13), described oxygen separator (5) is arranged aerobic side liquid level sensor (16), alkali lye outlet, oxygen outlet and oxygen component inlet to be separated;
Described cooling module comprises cooling water tank (8), cooling-water pump (9) and water coolant secondary heat exchanger (10);
Integrated connection closes:
The deuterium component inlet to be separated of described deuterium separator (4) is communicated with by the hot fluid outlet ports of pipe connecting with deuterium interchanger (2), deuterium exports the inlet communication by pipe connecting and deuterium washer (6), and on the export pipeline of deuterium washer (6), be provided with deuterium outlet self-acting valve (12); The oxygen component inlet to be separated of described oxygen separator (5) is by the outlet of pipe connecting and oxygen interchanger (3), oxygen outlet is communicated with by the entrance of pipe connecting with oxygen washer (7), and on the export pipeline of oxygen washer (7), arrange aerobic outlet self-acting valve (13); The deuterium component outlet of described electrolyzer (1) is communicated with by the thermal fluid inlet of pipe connecting with deuterium interchanger (2), the outlet of oxygen component is communicated with by the thermal fluid inlet of pipe connecting with oxygen interchanger (3), and pipeline between electrolyzer (1) and oxygen interchanger (3) is provided with temperature sensor (17); Described deuterium separator (4) alkali lye outlet and oxygen separator (5) alkali lye outlet be all communicated with by the alkali lye refluxing opening of pipe connecting with electrolyzer (1), and on described pipe connecting and be connected with enrichment discharge self-acting valve (11); Cooling water tank (8), the cooling-water pump (9) of described cooling module are connected by pipe connecting successively with water coolant secondary heat exchanger (10); The entrance of cooling water of described deuterium interchanger (2) and the entrance of cooling water of oxygen interchanger (3) are all led to by the cooling twice water out of pipe connecting and water coolant secondary heat exchanger (10), and pipeline between oxygen interchanger (3) and water coolant secondary heat exchanger (10) connection is provided with water coolant self-acting valve (14); The cooling water outlet of described deuterium interchanger (2) is all communicated with by the cooling water inlet of pipe connecting with cooling water tank (8) with the cooling water outlet of oxygen interchanger (3); Described control unit and deuterium export self-acting valve (12), oxygen exports self-acting valve (13), water coolant self-acting valve (14), enrichment are discharged self-acting valve (11), temperature sensor (17), are all connected by cable between deuterium side liquid level sensor (15) and oxygen side liquid level sensor (16).
2. one according to claim 1 is containing tritium heavy water self-circulation electrolytic system, it is characterized in that: described deuterium interchanger (2) and oxygen interchanger (3) are coil heat exchanger.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520111467.3U CN204455305U (en) | 2015-02-15 | 2015-02-15 | A kind of containing tritium heavy water self-circulation electrolytic system |
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| CN201520111467.3U CN204455305U (en) | 2015-02-15 | 2015-02-15 | A kind of containing tritium heavy water self-circulation electrolytic system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106467975A (en) * | 2015-08-20 | 2017-03-01 | 环境保护部核与辐射安全中心 | HTO electrolytic enrichment equipment and method |
| CN109857179A (en) * | 2019-03-22 | 2019-06-07 | 中国原子能科学研究院 | Control system for Electromagnetic isotope separator cooling system |
| CN113046785A (en) * | 2021-02-04 | 2021-06-29 | 中船重工（邯郸）派瑞特种气体有限公司 | Preparation device and preparation method of high-purity deuterium gas |
| CN113699537A (en) * | 2021-07-29 | 2021-11-26 | 中国船舶重工集团公司第七一八研究所 | Differential pressure type pure water electrolysis hydrogen production system |
| CN114574877A (en) * | 2022-04-06 | 2022-06-03 | 中国船舶重工集团公司第七一八研究所 | Water electrolysis hydrogen production system with waste heat utilization |
-
2015
- 2015-02-15 CN CN201520111467.3U patent/CN204455305U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106467975A (en) * | 2015-08-20 | 2017-03-01 | 环境保护部核与辐射安全中心 | HTO electrolytic enrichment equipment and method |
| CN106467975B (en) * | 2015-08-20 | 2018-08-07 | 环境保护部核与辐射安全中心 | Surabaya electrolytic enrichment device and method |
| CN109857179A (en) * | 2019-03-22 | 2019-06-07 | 中国原子能科学研究院 | Control system for Electromagnetic isotope separator cooling system |
| CN113046785A (en) * | 2021-02-04 | 2021-06-29 | 中船重工（邯郸）派瑞特种气体有限公司 | Preparation device and preparation method of high-purity deuterium gas |
| CN113699537A (en) * | 2021-07-29 | 2021-11-26 | 中国船舶重工集团公司第七一八研究所 | Differential pressure type pure water electrolysis hydrogen production system |
| CN114574877A (en) * | 2022-04-06 | 2022-06-03 | 中国船舶重工集团公司第七一八研究所 | Water electrolysis hydrogen production system with waste heat utilization |
| CN114574877B (en) * | 2022-04-06 | 2023-05-05 | 中国船舶重工集团公司第七一八研究所 | Water electrolysis hydrogen production system with waste heat utilization |
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