CN204455319U - A kind of monopolar electrolyzer - Google Patents
A kind of monopolar electrolyzer Download PDFInfo
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- CN204455319U CN204455319U CN201520111468.8U CN201520111468U CN204455319U CN 204455319 U CN204455319 U CN 204455319U CN 201520111468 U CN201520111468 U CN 201520111468U CN 204455319 U CN204455319 U CN 204455319U
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Abstract
The utility model discloses a kind of monopolar electrolyzer, belong to containing fields such as tritium heavy water process.Described electrolyzer mainly comprises urceolus, inner core, oxygen outlet pipe, hydrogen outlet pipe, alkali lye liquid-inlet pipe, ceramic seal assembly and control unit; Described ceramic seal assembly comprises ceramic ring and soft graphite cushion block I; Described ceramic insulation assembly comprises vitrified pipe, cutting ferrule nut and soft graphite cushion block II.The shell portion of inner core is sleeved on outer barrel, leaves gap between the end face of inner core open end and the bottom surface of urceolus blind end; Described blind flange cooperatively interacts with ring flange and is connected; The ceramic ring of ceramic seal assembly is embedded in sealing groove, and is provided with soft graphite cushion block I between the end face and sealing groove of ceramic ring; Hydrogen gas outlet pipe, oxygen outlet pipe and electrolyte entrance pipe are provided with ceramic insulation assembly.Described cell construction is simple, easy to assembly, radiation hardness and resistance to alkali corrosion, is applicable to containing the process of tritium heavy water, and long service life.
Description
Technical field
The utility model relates to a kind of monopolar electrolyzer, belongs to containing fields such as tritium heavy water process.
Background technology
Monopolar electrolyzer be energized run time, need the problem solved to be: it is the mixture of gas and liquid that electrolyzer runs what produce, and needs take measures to be isolated.Existing solution normally electrolyzer run under system state with pressure need independent hydrogen be set above electrolyzer, oxygen liquid separator carries out gas-liquid separation, ensure that electrolyzer works under the state being full of liquid, but this kind of method can produce connecting tube and interface between electrolyzer and gas-liquid separator, under heavy water detritiation has radioactive substance existent condition, there is the hidden danger of more radioactive leak.And traditional monopole formula electrolyzer many employings flange form sealed structure, tetrafluoroethylene selected by sealing material; Tetrafluoroethylene or special insulation sealed plastic pad, have good snappiness and compression recovery performance, for ortho-water electrolysis field, has good sealing property and work-ing life.But have radioactive containing tritium heavy water or containing tritium light-water electrolysis field, this type of organic pad aging speed is accelerated, and electrolyzer reduces work-ing life greatly, and generally through about half a year, the time will return factory's overhaul, and aging the discharged fluorine of pad can pollute heavy water, affects recycling of heavy water.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of monopolar electrolyzer, described cell construction is simple, easy to assembly, and the constituent material of sealed structure is the material such as pottery and graphite, radiation hardness and resistance to alkali corrosion, be applicable to containing the process of tritium heavy water, there is longer work-ing life, and equipment cost investment can be reduced, produce good economic benefit.
The purpose of this utility model is realized by following technical scheme:
A kind of monopolar electrolyzer, described electrolyzer mainly comprises urceolus, inner core, oxygen outlet pipe, hydrogen outlet pipe, alkali lye liquid-inlet pipe, ceramic seal assembly, ceramic insulation assembly and control unit;
Described inner core bottom is open, and the other end is provided with blind flange; Described blind flange is provided with hydrogen outlet and oxygen outlet, and inner core cylindrical shell is provided with insulating sleeve near the part of blind flange; One end of described urceolus is open, and the other end is closed, and wherein, open end is provided with ring flange, and the center of blind end is provided with electrolyte entrance; Described blind flange with ring flange is processed with relative sealing groove;
Described ceramic seal assembly comprises ceramic ring and soft graphite cushion block I;
Described ceramic insulation assembly comprises vitrified pipe, cutting ferrule nut and soft graphite cushion block II, wherein vitrified pipe is processed with the outside screw with cutting ferrule nut screw connection;
Described hydrogen outlet pipeline is provided with needle-valve and hydrogen regulating valve successively; Described oxygen outlet pipeline is provided with oxygen regulating valve and pressure unit successively; And the outer circumference surface of oxygen outlet pipeline, hydrogen outlet pipeline and alkali lye liquid-inlet pipe is equipped with flange;
Integrated connection closes:
The shell portion of described inner core is sleeved on outer barrel, leaves gap between the end face of inner core open end and the bottom surface of urceolus blind end; Described blind flange cooperatively interacts with ring flange and is connected, and the ceramic ring of described ceramic seal assembly is embedded in sealing groove, and is provided with soft graphite cushion block I between the end face and sealing groove of ceramic ring; The cylindrical shell of the through inner core of described hydrogen outlet, the annular region between the through inner core of oxygen outlet and urceolus; Two of described ceramic insulation assembly are provided with soft graphite cushion block II between end face and flange, two sections of hydrogen outlet pipe are tightly connected by the two ends of two cutting ferrule nuts and vitrified pipe; Described control unit is all connected by cable with between oxygen regulating valve and hydrogen regulating valve, and control unit controls the switch of oxygen regulating valve and hydrogen regulating valve according to the threshold value of setting.Ceramic insulation assembly is identical with the mode of connection of ceramic insulation assembly and hydrogen gas outlet pipe with the mode of connection of electrolyte entrance pipe with oxygen outlet pipe.
Further, described top cover and inner core are integral solder; Described hydrogen regulating valve and oxygen regulating valve are pneumatic diaphragm control valve or magnetic valve; The constituent material of described oxygen outlet pipe, hydrogen outlet pipe and alkali lye liquid-inlet pipe is nickel.
Principle of work:
When described electrolyzer energising runs, hydrogen is produced in monopolar electrolyzer inner core, produce oxygen between electrolyzer urceolus and inner core, the twice that hydrogen is oxygen is produced in electrolytic process, therefore electrolyzer inner core liquid level declines, and between electrolyzer urceolus and inner core, liquid level rises, and differential pressure transmitter to detect between two liquid levels after difference signal, control hydrogen regulating valve and open release hydrogen, make two liquid levels keep balance.Now whole apparatus system pressure rises gradually, and after pressure exceedes setting operating pressure, pressure unit detects pressure signal, controls oxygen regulating valve and opens releasing oxygen, make pressure recovery arrive setting operating pressure, stablize with holding device system pressure.
In above process, the ceramic ring of described ceramic seal assembly is isolator, can prevent electrolyzer anode and cathode from directly contacting, avoid short circuit; Ceramic ring and vitrified pipe hardness are comparatively large, substantially nonelastic, and by coordinating with the good flexible graphite gasket of compression recovery performance, during supported flange, Graphite pad distortion, namely can play the effect of sealing, prevent electrolyzer leakage.
When device for screwing up, flange can prevent vitrified pipe slippage from cutting ferrule nut, also can make flexible graphite gasket stress deformation, improves sealing effectiveness.In addition, flange is ring-type, when tightening seal, can ensure vitrified pipe uniform force, prevents the situations such as crowded broken or pressure break from occurring.
Beneficial effect
(1) cell construction described in the utility model is simple, and work safety, can realize electrolytic process, gas-liquid separation and liquid automatic control, eliminate gas-liquid separator, simple flow, reduce pipeline and connecting tube, there being radiating medium to deposit in systems in which, there is good security.
(2) the inner core top installing insulating sleeve of electrolyzer described in the utility model, can prevent cell body internal upper part generation electrolysis from causing hydrogen and oxygen mix.
(3) the hydrogen outlet pipeline of electrolyzer described in the utility model is provided with needle-valve and hydrogen regulating valve, the twice that hydrogen is oxygen is produced in electrolytic process, use needle-valve restriction hydrogen flowing quantity, can prevent Pneumatic diaphragm valve unlatching moment hydrogen from overflowing in a large number and cause level fluctuation in electrolyzer excessive.
(4) differential pressure transmitter is provided with between the hydrogen of electrolyzer described in the utility model and oxygen outlet pipeline, the pressure difference in electrolyzer between hydrogen and oxygen can be reacted by differential pressure transmitter, pass through the pressure equilibrium between the open to shut to regulate hydrogen of variable valve and oxygen again, thus control inner core and urceolus liquid level equilibrium.
(5) the alkali lye liquid-inlet pipe of electrolyzer described in the utility model, hydrogen escape pipe and oxygen bleed line all adopt the pure nickel pipe of resistance to alkali corrosion, electrolyzer work-ing life can be extended, and ceramic insulation assembly is set on liquid-inlet pipe and two escape pipes, pipeline can be avoided charged, prevent leakage of electricity and ensure equipment work safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of electrolyzer described in the utility model;
Fig. 2 is the structural representation of ceramic seal assembly described in the utility model method;
Fig. 3 is the structural representation of ceramic insulation assembly described in the utility model method;
Wherein, 1-urceolus, 2-inner core, 3-ring flange, 4-blind flange 5-oxygen outlet pipe, 6-hydrogen outlet pipe, 8-alkali lye liquid-inlet pipe, 9-soft graphite cushion block I, 10-ceramic ring, 11-flange, 12-soft graphite cushion block II, 13-cutting ferrule nut, 14-vitrified pipe.
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 monopolar electrolyzer, as shown in Figure 1, it mainly comprises urceolus 1, inner core 2, oxygen outlet pipe 5, hydrogen outlet pipe 6, alkali lye liquid-inlet pipe 8, ceramic seal assembly, ceramic insulation assembly and control unit to the structural representation of described electrolyzer;
Described inner core 2 bottom is open, and the other end is provided with blind flange 4; Described blind flange 4 is provided with hydrogen outlet and oxygen outlet, and inner core 2 cylindrical shell is provided with insulating sleeve near the part of blind flange 4; One end of described urceolus 1 is open, and the other end is closed, and wherein, open end is provided with ring flange 3, and the center of blind end is provided with electrolyte entrance; Described blind flange 4 is processed with relative sealing groove with on ring flange 3;
As shown in Figure 2, it mainly comprises ceramic ring 10 and soft graphite cushion block I 9 to the structural representation of described ceramic seal assembly;
As shown in Figure 3, it mainly comprises vitrified pipe 14, cutting ferrule nut 13 and soft graphite cushion block II 12 to the structural representation of described ceramic insulation assembly, wherein vitrified pipe 14 is processed with the outside screw coordinated with cutting ferrule nut 13;
Described hydrogen outlet pipe 6 road is provided with needle-valve and hydrogen regulating valve successively; Described oxygen outlet pipe 5 road is provided with oxygen regulating valve and pressure unit successively; And the outer circumference surface of oxygen outlet pipe 5 road, hydrogen outlet pipe 6 road and alkali lye liquid-inlet pipe 8 is equipped with flange 11;
Integrated connection closes:
The shell portion of described inner core 2 is sleeved on urceolus 1 inside, leaves gap between the end face of inner core 2 open end and the bottom surface of urceolus 1 blind end; Described blind flange 4 cooperatively interacts with ring flange 3 and is connected, and the ceramic ring 10 of described ceramic seal assembly is embedded in sealing groove, and is provided with soft graphite cushion block I 9 between the end face and sealing groove of ceramic ring 10; The cylindrical shell of the through inner core 2 of described hydrogen outlet, the annular region between the through inner core 2 of oxygen outlet and urceolus 1; Be provided with soft graphite cushion block II 12 between two end faces of described ceramic insulation assembly and flange 11, two sections of hydrogen outlet pipe 6 are tightly connected by the two ends of two cutting ferrule nuts 13 with vitrified pipe 14; Described control unit is all connected by cable with between oxygen regulating valve and hydrogen regulating valve, and control unit controls the switch of oxygen regulating valve and hydrogen regulating valve according to the threshold value of setting.
Further, described top cover and inner core 2 are integral solder; Described hydrogen regulating valve and oxygen regulating valve are pneumatic diaphragm control valve or magnetic valve; The constituent material of described oxygen outlet pipe 5, hydrogen outlet pipe 6 and alkali lye liquid-inlet pipe 8 is nickel.
Principle of work:
When described electrolyzer energising runs, hydrogen is produced in monopolar electrolyzer inner core 2, produce oxygen between electrolyzer urceolus 1 and inner core 2, the twice that hydrogen is oxygen is produced in electrolytic process, therefore electrolyzer inner core 2 liquid level declines, and between electrolyzer urceolus 1 and inner core 2, liquid level rises, and differential pressure transmitter to detect between two liquid levels after difference signal, control hydrogen regulating valve and open release hydrogen, make two liquid levels keep balance.Now whole apparatus system pressure rises gradually, and after pressure exceedes setting operating pressure, pressure unit detects pressure signal, controls oxygen regulating valve and opens releasing oxygen, make pressure recovery arrive setting operating pressure, stablize with holding device system pressure.
In above process, the ceramic ring 10 of described ceramic seal assembly is isolator, can prevent electrolyzer anode and cathode from directly contacting, avoid short circuit; Ceramic ring 10 and vitrified pipe 14 hardness are comparatively large, substantially nonelastic, and by coordinating with the good flexible graphite gasket of compression recovery performance, during supported flange, Graphite pad distortion, namely can play the effect of sealing, prevent electrolyzer leakage.
When device for screwing up, flange 11 can prevent vitrified pipe 14 slippage from cutting ferrule nut 13, also can make flexible graphite gasket stress deformation, improves sealing effectiveness.In addition, flange 11 is ring-type, when tightening seal, can ensure vitrified pipe 14 uniform force, prevents the situations such as crowded broken or pressure break from occurring.
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 (4)
1. a monopolar electrolyzer, is characterized in that: described electrolyzer mainly comprises urceolus (1), inner core (2), oxygen outlet pipe (5), hydrogen outlet pipe (6), alkali lye liquid-inlet pipe (8), ceramic seal assembly, ceramic insulation assembly and control unit;
Described inner core (2) bottom is open, and the other end is provided with blind flange (4); Described blind flange (4) is provided with hydrogen outlet and oxygen outlet, and inner core (2) cylindrical shell is provided with insulating sleeve near the part of blind flange (4); One end of described urceolus (1) is open, and the other end is closed, and wherein, open end is provided with ring flange (3), and the center of blind end is provided with electrolyte entrance; Described blind flange (4) is processed with relative sealing groove with on ring flange (3);
Described ceramic seal assembly comprises ceramic ring (10) and soft graphite cushion block I (9);
Described ceramic insulation assembly comprises vitrified pipe (14), cutting ferrule nut (13) and soft graphite cushion block II (12), wherein vitrified pipe (14) is processed with the outside screw coordinated with cutting ferrule nut (13);
Described hydrogen outlet pipe (6) road is provided with needle-valve and hydrogen regulating valve successively; Described oxygen outlet pipe (5) road is provided with oxygen regulating valve and pressure unit successively; And the outer circumference surface of oxygen outlet pipe (5) road, hydrogen outlet pipe (6) road and alkali lye liquid-inlet pipe (8) is equipped with flange (11);
Integrated connection closes:
The shell portion of described inner core (2) is sleeved on urceolus (1) inside, leaves gap between the end face of inner core (2) open end and the bottom surface of urceolus (1) blind end; Described blind flange (4) cooperatively interacts with ring flange (3) and is connected, the ceramic ring (10) of described ceramic seal assembly is embedded in sealing groove, and is provided with soft graphite cushion block I (9) between the end face and sealing groove of ceramic ring (10); The cylindrical shell of the through inner core of described hydrogen outlet (2), the annular region between the through inner core of oxygen outlet (2) and urceolus (1); Described ceramic insulation assembly and be provided with soft graphite cushion block II (12) between two end faces of vitrified pipe (14) and flange (11), two sections of hydrogen outlet pipe (6) are tightly connected by the two ends of two cutting ferrule nuts (13) with vitrified pipe (14); Described control unit is all connected by cable with between oxygen regulating valve and hydrogen regulating valve, and control unit controls the switch of oxygen regulating valve and hydrogen regulating valve according to the threshold value of setting.
2. a kind of monopolar electrolyzer according to claim 1, is characterized in that: described top cover and inner core (2) are integral solder.
3. a kind of monopolar electrolyzer according to claim 1, is characterized in that: described hydrogen regulating valve and oxygen regulating valve are pneumatic diaphragm control valve or magnetic valve.
4. a kind of monopolar electrolyzer according to claim 1, is characterized in that: the constituent material of described oxygen outlet pipe (5), hydrogen outlet pipe (6) and alkali lye liquid-inlet pipe (8) is nickel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111468.8U CN204455319U (en) | 2015-02-15 | 2015-02-15 | A kind of monopolar electrolyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111468.8U CN204455319U (en) | 2015-02-15 | 2015-02-15 | A kind of monopolar electrolyzer |
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| Publication Number | Publication Date |
|---|---|
| CN204455319U true CN204455319U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520111468.8U Withdrawn - After Issue CN204455319U (en) | 2015-02-15 | 2015-02-15 | A kind of monopolar electrolyzer |
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| Country | Link |
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| CN (1) | CN204455319U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104711628A (en) * | 2015-02-15 | 2015-06-17 | 中国船舶重工集团公司第七一八研究所 | Monopolar electrolyzer |
| 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 |
-
2015
- 2015-02-15 CN CN201520111468.8U patent/CN204455319U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104711628A (en) * | 2015-02-15 | 2015-06-17 | 中国船舶重工集团公司第七一八研究所 | Monopolar electrolyzer |
| CN104711628B (en) * | 2015-02-15 | 2017-03-22 | 中国船舶重工集团公司第七一八研究所 | Monopolar electrolyzer |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150708 Effective date of abandoning: 20170322 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150708 Effective date of abandoning: 20170322 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |