CN206292636U - The apparatus and system of oxygen concentration in a kind of control liquid LBE/Pb cooling agents - Google Patents
The apparatus and system of oxygen concentration in a kind of control liquid LBE/Pb cooling agents Download PDFInfo
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- CN206292636U CN206292636U CN201621356138.6U CN201621356138U CN206292636U CN 206292636 U CN206292636 U CN 206292636U CN 201621356138 U CN201621356138 U CN 201621356138U CN 206292636 U CN206292636 U CN 206292636U
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- lbe
- cooling agents
- oxygen
- oxygen concentration
- solid electrolyte
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 239000001301 oxygen Substances 0.000 title claims abstract description 123
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 123
- 239000002826 coolant Substances 0.000 title claims abstract description 45
- 239000007788 liquid Substances 0.000 title claims abstract description 36
- 230000005518 electrochemistry Effects 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000007784 solid electrolyte Substances 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 30
- 239000007789 gas Substances 0.000 claims description 26
- 239000010935 stainless steel Substances 0.000 claims description 24
- 229910001220 stainless steel Inorganic materials 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 22
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 229910017052 cobalt Inorganic materials 0.000 claims description 6
- 239000010941 cobalt Substances 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052712 strontium Inorganic materials 0.000 claims description 6
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 6
- 229910000859 α-Fe Inorganic materials 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000005538 encapsulation Methods 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 238000005304 joining Methods 0.000 claims description 5
- 238000002386 leaching Methods 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 238000009304 pastoral farming Methods 0.000 claims description 5
- 229910052715 tantalum Inorganic materials 0.000 claims description 5
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 229910002080 8 mol% Y2O3 fully stabilized ZrO2 Inorganic materials 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 3
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 3
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 229910001938 gadolinium oxide Inorganic materials 0.000 claims description 2
- 229940075613 gadolinium oxide Drugs 0.000 claims description 2
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 claims 2
- -1 antisepsis is played Substances 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 230000003260 anti-sepsis Effects 0.000 abstract description 3
- 238000000280 densification Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 229910001152 Bi alloy Inorganic materials 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910052797 bismuth Inorganic materials 0.000 description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000941 radioactive substance Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 229910000909 Lead-bismuth eutectic Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 108010083687 Ion Pumps Proteins 0.000 description 1
- BVSAQRBZAOGJFW-UHFFFAOYSA-N [O-2].[O-2].[Ti+4].[Gd+3] Chemical compound [O-2].[O-2].[Ti+4].[Gd+3] BVSAQRBZAOGJFW-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 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
- 150000002500 ions Chemical class 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses the device and system of oxygen concentration in a kind of control liquid LBE/Pb cooling agents, by using new electrochemistry oxygen pump installation, can be with the oxygen concentration in precise control cooling agent, steel surface is set to form one layer of oxide-film of densification, lead-containing alloy is prevented further to penetrate into inside steel, antisepsis is played, lead base fast reactor or ADS system core technological difficulties are solved, it is ensured that experimental loop and lead base fast reactor long-term safety are run.
Description
Technical field
The utility model is related to liquid LBE/Pb（Lead-Bismuth Eutectic/Pb, lead bismuth alloy/pure lead）Cooling
Agent technical field, the apparatus and system of oxygen concentration in more particularly to a kind of control liquid LBE/Pb cooling agents.
Background technology
Because liquid lead-containing alloy cooling agent has very strong corrosivity, oxygen concentration control technology to reactor structural material
It is generally believed that it is maximally effective fluent metal loop and lead base fast reactor anti-corrosion means, is to ensure that experimental loop and lead base are fast
One of key equipment of heap long-term safety operation.If dissolving certain density oxygen in lead bismuth alloy, can on the tube wall in loop shape
Into one layer of oxide-film of densification, prevent lead bismuth alloy from further penetrating into inside steel, play antisepsis, therefore oxygen concentration control
It is maximally effective fluent metal loop anti-corrosion means that technology processed is generally believed that.But the oxygen concentration in liquid metal must be maintained
In rational scope, if exceeding the upper limit, over oxidation is will result in, Solid Lead, bismuth oxide are separated out, and form oxide residual
Slag, pollutes wholly liquid state metal system, and is likely to result in heat transfer deterioration, or even blocks pipeline.If oxygen concentration is too low, then return
Will be unable to form oxide film protection floor on the tube wall on road, it is difficult to play corrosion-resisting function.
The basic skills of the oxygen control of main flow is two methods of gaseous oxygen control technology and solid oxygen control technology in the world at present.
So-called gaseous oxygen control is exactly that dissolved oxygen concentration in lead bismuth is controlled using the physical-chemical reaction for injecting reacting gas
Method.Original adoption Ar/H2/O2Ternary gas realize control oxygen, wherein Ar（Argon）Gas plays dilution hydrogen H as carrier gas2Or
Oxygen O2Content is acted on, and reduces H2The fried danger of gas explosion, but, gaseous oxygen control has that governing speed is slow, efficiency of oxygen supply is low, deposits
In radgas risk of leakage.Solid oxygen control technology is mainly by controlling the dissolving of solid-oxide and separating out, and comes real
The oxygen content in liquid lead bismuth alloy is now adjusted efficiently, quickly, cleanly, but, solid oxygen control cannot realize online supplement, oxygen
Change lead bead easily to pollute " poisoning ".
Utility model content
Technical problem to be solved in the utility model is, there is provided oxygen concentration in one kind control liquid LBE/Pb cooling agents
Apparatus and system, can with the oxygen concentration in precise control cooling agent, make steel surface formed one layer of oxide-film of densification, prevent lead
Based alloy is further penetrated into inside steel, plays antisepsis, it is ensured that experimental loop and lead base fast reactor long-term safety are run.
In order to solve the above technical problems, oxygen is dense during the utility model embodiment provides a kind of control liquid LBE/Pb cooling agents
The device of degree, at least including electrochemistry oxygen pump installation and gas supplementary device, wherein：
The electrochemistry oxygen pump installation includes a stainless steel tube, and its upper end is provided with an insulating plug, and the sealing of its lower end connects
The solid electrolyte of a taper or cylinder is connect, solid electrolyte outside leaching is located in liquid LBE/Pb cooling agents, described
Oxygen source material is contained with solid electrolyte；Two parallel conductive wires are worn in the insulating plug, wherein first
Conductive wire lower end is inserted into oxygen source material, and its other end is connected in LBE/Pb cooling agents after being connected with current source；The
Two conductive wire lower ends connect a heating plate, and are inserted into the lump in oxygen source material, and its other end is connected with current source；
The solid electrolyte periphery is provided with a perforated metal outer cover；
The gas supplementary device includes：By gas supplement pipeline be sequentially connected isolating valve, regulating valve, air blower with
And oxygen source material deposits tank, the isolating valve is connected with a branch pipe of the stainless steel tube upper end.
Wherein, a fixed support for fixing two conductive wires is provided with the stainless steel tube,
Two conductive wires at least part of position in the stainless steel tube is arranged with insulation tube.
Wherein, a radgas for detecting electrochemistry oxygen pump installation sealing is provided with the branch pipe to supervise
Survey device.
Wherein, the solid electrolyte is YSZ zirconiums pipe or YSZ zirconium pipes；
The material that the conductive wire is used is molybdenum or tantalum,
The oxygen source material is the oxygen or air using argon gas as carrier.
Wherein, the stainless steel tube and the connected mode of the solid electrolyte are ceramics-to-metals joining mode, the pottery
Porcelain-metal connected mode is using one of mechanical encapsulation, graphite grazing, aluminium oxide ceramics sealing, high temperature adhesive, welding manner
Kind.
Correspondingly, the utility model embodiment also provides oxygen concentration system in a kind of control liquid LBE/Pb cooling agents, its
Including：
Oxygen concentration device in foregoing LBE/Pb cooling agents, the stainless steel tube lower end leaching in described device is located at reactor core outside
LBE/Pb cooling agents in；Two conductive wire upper ends connect an ammeter；
Control system, its one end is connected with the other end of the ammeter, and its other end connects working electrode, institute one by one
State in the other end insertion LBE/Pb cooling agents of working electrode, the control system includes：PID control system, power supply control
System processed, temperature control system；
Lambda sensor, it is used to detect the oxygen concentration in LBE/Pb cooling agents.
Wherein, a fixed support for fixing two conductive wires is provided with the stainless steel tube,
Two conductive wires at least part of position in the stainless steel tube is arranged with insulation tube.
Wherein, a radgas for detecting electrochemistry oxygen pump installation sealing is provided with the branch pipe to supervise
Survey device.
Wherein, the solid electrolyte is YSZ zirconiums pipe or YSZ zirconium pipes；
The material that the conductive wire is used is molybdenum or tantalum,
The oxygen source material is the oxygen or air using argon gas as carrier；
The material that the working electrode is used for：Platinum, cobalt acid lanthanum, cobalt acid strontium, cadmium ferrite, strontium ferrite, ceria or two
Gadolinium oxide.
Wherein, the stainless steel tube and the connected mode of the solid electrolyte are ceramics-to-metals joining mode, the pottery
Porcelain-metal connected mode is using one of mechanical encapsulation, graphite grazing, aluminium oxide ceramics sealing, high temperature adhesive, welding manner
Kind.
Implement the utility model, with following beneficial effect：
In the utility model embodiment, the transmission of oxonium ion is driven using voltage, compared existing by gaseous oxygen control
The method of oxonium ion free diffusing, the utility model has ion exchange ratio high, response time short advantage, is easy to transient state to adjust
Section；
In the utility model embodiment, due to carrying heating function, the temperature of solid electrolyte can be adjusted, improve oxygen supply
Efficiency；
In the utility model embodiment, due to having put gas supplementary device, it is easy to control oxygen source solubility, while can detect
The integrality of oxygen pump device, ruptures in oxygen pump, can rapidly separate gas leakage pipe, prevents the release of radgas,
Realize the containing of radioactive substance；
In the utility model embodiment, can be so that advantageously adjustment oxygen pump position, is conducive to adjusting the coolant of reactor
The uniformity of middle oxygen concentration；
In the utility model embodiment, due to being covered with metal housing with holes outside solid electrolyte, can prevent
Breakage is introduced to reactor after solid electrolyte ruptures, the thermal shock resistance of oxygen pump is enhanced, its reliability is improve
Property；
In the utility model embodiment, because the appearance improvement to solid electrolyte is pyramidal structure, this kind of structure exists
It is relatively reliable compared with traditional cylindrical structural in shock resistance.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the electrochemistry oxygen pump principle schematic used in the utility model；
Fig. 2 is an implementation of the system of oxygen concentration in a kind of control liquid LBE/Pb cooling agents that the utility model is provided
Structural representation in example；
Fig. 3 is the structural representation of the device that oxygen concentration in liquid LBE/Pb cooling agents is controlled in Fig. 2.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
As shown in figure 1, in the utility model embodiment, electrochemistry oxygen pump is substantially former using the electrolytic cell of electrochemistry
The flowing of reason control oxonium ion, so as to adjust the oxygen concentration of the cathode anode of solid electrolyte both sides, method be generally applied to oxygen
Purification and manufacture
Electrochemistry oxygen pump general principle is, by the auxiliary voltage at two electrodes, so as to control the input of conductive ion, to make
Overall reaction it is anticipated that direction carry out.Herein, we use oxidesolid electrolyte, therefore this whole process again can quilt
Referred to as electrochemical pump oxygen process, as shown in Figure 1.
During using oxygen concentration in electrochemical pump precise control liquid lead bismuth/pure lead, with liquid lead bismuth alloy（Lead-
Bismuth Eutectic, LBE）In oxygen concentration control as a example by, the reaction of anode-side is：
By controlling the potential of additional power source, we can control speed and the direction of electrochemical reaction, so as to control anti-
Answer the solubility of PbO in environment.And there is following chemical balance at a certain temperature in PbO：
Therefore, on the basis of known chemical equilibrium constant, under certain improvement, oxygen ion pump is gradually designed to one
New oxygen control equipment is planted,.We just can be reached in measuring and controlling liquid lead bismuth alloy by monitoring the solubility of PbO
The purpose of oxygen concentration.Closed with slowing down liquid lead or lead bismuth such that it is able to be installed in the forth generation reactor using lead base cooling agent
The etching problem of gold.
As shown in Fig. 2 showing that oxygen concentration is in a kind of control liquid LBE/Pb cooling agents that the utility model is provided
Structural representation in one embodiment of system；Please combine in the lump shown in Fig. 3.In the utility model embodiment, the system 2 to
Include less：The device 1 of oxygen concentration, control system 203 and lambda sensor 205, the control in control liquid LBE/Pb cooling agents
The device 1 of oxygen concentration further includes electrochemistry oxygen pump installation 10, gas supplementary device 11 in liquid LBE/Pb cooling agents processed.Its
In：
The electrochemistry oxygen pump installation 10 includes a stainless steel tube 103, and its upper end is provided with an insulating plug 102, under it
End is tightly connected the solid electrolyte 109 of a taper or cylinder, and the leaching of the outside of the solid electrolyte 109 is located at liquid LBE/Pb
In cooling agent, oxygen source material is contained with the solid electrolyte 109；Two are worn in the insulating plug 102 parallel to lead
Electric metal silk 101, wherein first lower end of conductive wire 101 is inserted into oxygen source material 108, its other end and current source phase
It is connected in LBE/Pb cooling agents after even, first conductive wire can play a part of to conduct electronics；Second is led
101 lower ends of electric metal silk connect a heating plate 107, and are inserted into the lump in oxygen source material 108, its other end and current source phase
Even, second conductive wire can play a part of to control electrochemistry oxygen pump temperature；Set in the periphery of the solid electrolyte 109
It is equipped with a perforated metal outer cover 106；The lower end of stainless steel tube 103 leaching in described device is located at the LBE/Pb coolings on the outside of reactor core
In agent；Two conductive wires 101 upper end connects an ammeter 202；
The gas supplementary device 11 includes：The isolating valve 110, regulating valve that pipeline 115 is sequentially connected is supplemented by gas
111st, 112 and oxygen source material storage tank 113, a branch pipe 1030 of the isolating valve 110 and the upper end of the stainless steel tube 103
Connection.During oxygen source material want among oxygen pump, isolating valve 110, regulating valve 111 can start accordingly, and by air blower
112 extract oxygen source material 108 for oxygen pump is supplemented from storage tank 113.
Control system 203, its one end is connected with the other end of the ammeter 202, the work electricity of its other end connection one
Pole 201, in the other end insertion LBE/Pb cooling agents of the working electrode 201, the control system 203 includes：PID is controlled
System processed, power control system, temperature control system；In order to be operated to control system 203, in the control system 203
It is connected with a computer-operated device 204.
Lambda sensor 205, it is used to detect the oxygen concentration in LBE/Pb cooling agents.
Wherein, a fixation for fixing two conductive wires 101 is provided with the stainless steel tube 103
Support 105, two conductive wires 101 at least part of position in the stainless steel tube 103 is arranged with insulation tube 104,
Primarily serve the effect of insulation.
It is understood that solid electrolyte 109 is set tapered, primarily to reaching preferable impact resistance
Energy；Because solid electrolyte 109 is the most crucial part of whole electrochemistry oxygen pump, therefore perforated metal outer cover is installed additional in its periphery
106, liquid LBE/Pb metals can be met pass through and contacted with solid electrolyte 109, can also weaken LBE/Pb to solid electricity
Solve the impact of matter 109.Additionally, during if there is 109 material fragmentation of solid electrolyte, perforated metal outer cover 106 can also stop it
Fragment is into LBE loops avoiding it from causing loop blocking accident；
Wherein, a radioactivity for detecting the sealing of electrochemistry oxygen pump installation 10 is provided with the branch pipe 1030
Gas controlling device 114.
Wherein, the solid electrolyte is 8YSZ zirconiums pipe or 5YSZ zirconium pipes；
The material that the conductive wire 101 is used is molybdenum or tantalum,
The oxygen source material 108 is the oxygen or air using argon gas as carrier；
The material that the working electrode 201 is used for：Platinum, cobalt acid lanthanum, cobalt acid strontium, cadmium ferrite, strontium ferrite, ceria or
Titanium dioxide gadolinium.
Wherein, the stainless steel tube and the connected mode of the solid electrolyte are ceramics-to-metals joining mode, the pottery
Porcelain-metal connected mode is one of mechanical encapsulation, graphite grazing, aluminium oxide ceramics sealing, high temperature adhesive, welding manner
Kind.
It is understood that the height in liquid lead-containing alloy of electrochemistry oxygen pump installation 10 can be adjusted according to design requirement.
In the utility model, certain voltage is applied by oxygen pump solid electrolyte both sides, drive oxonium ion from oxygen-enriched
Side（Gas replenishment system）In pumping into liquid lead-containing alloy.Meanwhile, oxygen pump carries heating function, by controlling solid electrolyte
Temperature, improves efficiency of oxygen supply.Gas supplementary device can realize the supply of oxygen source material, while ruptured in oxygen pump, can be fast
Speed cut-off gas leakage pipe, prevents the release of radgas, realizes the containing of radioactive substance.Control system can be realized
The automatic precise control of oxygen concentration, while the integrality of energy real-time detection oxygen pump.
Specifically, the utility model is implemented, with following beneficial effect：
In the utility model embodiment, the transmission of oxonium ion is driven using voltage, compared existing by gaseous oxygen control
The method of oxonium ion free diffusing, the utility model has ion exchange ratio high, response time short advantage, is easy to transient state to adjust
Section；
In the utility model embodiment, due to carrying heating function, the temperature of solid electrolyte can be adjusted, improve oxygen supply
Efficiency；
In the utility model embodiment, due to having put gas supplementary device, it is easy to control oxygen source solubility, while can detect
The integrality of oxygen pump device, ruptures in oxygen pump, can rapidly separate gas leakage pipe, prevents the release of radgas,
Realize the containing of radioactive substance；
In the utility model embodiment, can be so that advantageously adjustment oxygen pump position, is conducive to adjusting the coolant of reactor
The uniformity of middle oxygen concentration；
In the utility model embodiment, due to being covered with metal housing with holes outside solid electrolyte, can prevent
Breakage is introduced to reactor after solid electrolyte ruptures, the thermal shock resistance of oxygen pump is enhanced, its reliability is improve
Property；
In the utility model embodiment, because the appearance improvement to solid electrolyte is pyramidal structure, this kind of structure exists
It is relatively reliable compared with traditional cylindrical structural in shock resistance.
Implement the utility model, with following beneficial effect：
Above disclosed is only a kind of preferred embodiment of the utility model, can not limit this practicality with this certainly
New interest field, therefore the equivalent variations made according to the utility model claim, still belong to what the utility model was covered
Scope.
Claims (10)
1. it is a kind of control liquid LBE/Pb cooling agents in oxygen concentration device, it is characterised in that at least including electrochemistry oxygen pump fill
Put（10）And gas supplementary device（11）, wherein：
The electrochemistry oxygen pump installation（10）Include a stainless steel tube（103）, its upper end is provided with an insulating plug（102）, its
Lower end is tightly connected the solid electrolyte of a taper or cylinder（109）, the solid electrolyte（109）Outside leaching is located at liquid
In LBE/Pb cooling agents, the solid electrolyte（109）In be contained with oxygen source material；In the insulating plug（102）In wear two
The parallel conductive wire of root（101）, wherein first conductive wire（101）Lower end is inserted into oxygen source material（108）In, its
The other end is connected in LBE/Pb cooling agents after being connected with current source；Second conductive wire（101）Lower end connection one is heated
Piece（107）, and oxygen source material is inserted into the lump（108）In, its other end is connected with current source；In the solid electrolyte
（109）Periphery is provided with a perforated metal outer cover（106）；
The gas supplementary device（11）Including：Pipeline is supplemented by gas（115）The isolating valve being sequentially connected（110）, regulation
Valve（111）, air blower（112）And oxygen source material storage tank（113）, the isolating valve（110）With the stainless steel tube（103）
One branch pipe of upper end（1030）Connection.
2. a kind of device for controlling oxygen concentration in liquid LBE/Pb cooling agents as claimed in claim 1, it is characterised in that in institute
State stainless steel tube（103）In be provided with one for fixing two conductive wires（101）Fixed support（105）, institute
State two conductive wires（101）In the stainless steel tube（103）In at least partly position be arranged with insulation tube（104）.
3. a kind of device for controlling oxygen concentration in liquid LBE/Pb cooling agents as claimed in claim 2, it is characterised in that in institute
State branch pipe（1030）In be provided with one for detecting electrochemistry oxygen pump installation（10）The radgas monitoring device of sealing
（114）.
4. in a kind of control liquid LBE/Pb cooling agents as described in claim any one of 1-3 oxygen concentration device, its feature
It is that the solid electrolyte is 8YSZ zirconiums pipe or 5YSZ zirconium pipes；
The conductive wire（101）The material for using is molybdenum or tantalum,
The oxygen source material（108）It is the oxygen or air using argon gas as carrier.
5. a kind of device for controlling oxygen concentration in liquid LBE/Pb cooling agents as claimed in claim 4, it is characterised in that described
Stainless steel tube（103）With the solid electrolyte（109）Connected mode be ceramics-to-metals joining mode, the ceramic-metal
Connected mode is planted using one of mechanical encapsulation, graphite grazing, aluminium oxide ceramics sealing, high temperature adhesive, welding manner.
6. it is a kind of control liquid LBE/Pb cooling agents in oxygen concentration system, it includes：
Oxygen concentration device, the stainless steel tube in described device in LBE/Pb cooling agents as claimed in claim 1（103）Soak lower end
It is located in the LBE/Pb cooling agents on the outside of reactor core；Two conductive wires（101）Upper end connects an ammeter（202）；
Control system, its one end and the ammeter（202）The other end be connected, its other end connect a working electrode
（201）, the working electrode（201）The other end insert the LBE/Pb cooling agents, the control system includes：PID is controlled
System processed, power control system, temperature control system；
Lambda sensor（205）, it is used to detect the oxygen concentration in LBE/Pb cooling agents.
7. a kind of system for controlling oxygen concentration in liquid LBE/Pb cooling agents as claimed in claim 6, it is characterised in that in institute
State stainless steel tube（103）In be provided with one for fixing two conductive wires（101）Fixed support（105）, institute
State two conductive wires（101）In the stainless steel tube（103）In at least partly position be arranged with insulation tube（104）.
8. a kind of system for controlling oxygen concentration in liquid LBE/Pb cooling agents as claimed in claim 7, it is characterised in that in institute
State branch pipe（1030）In be provided with one for detecting electrochemistry oxygen pump installation（10）The radgas monitoring device of sealing
（114）.
9. in a kind of control liquid LBE/Pb cooling agents as described in claim any one of 6-8 oxygen concentration system, its feature
It is that the solid electrolyte is 8YSZ zirconiums pipe or 5YSZ zirconium pipes；
The conductive wire（101）The material for using is molybdenum or tantalum,
The oxygen source material（108）It is the oxygen or air using argon gas as carrier；
The working electrode（201）The material for using for：Platinum, cobalt acid lanthanum, cobalt acid strontium, cadmium ferrite, strontium ferrite, ceria or two
Gadolinium oxide.
10. a kind of system for controlling oxygen concentration in liquid LBE/Pb cooling agents as claimed in claim 9, it is characterised in that institute
State stainless steel tube（103）With the solid electrolyte（109）Connected mode be ceramics-to-metals joining mode, it is described ceramics-gold
Category connected mode is planted using one of mechanical encapsulation, graphite grazing, aluminium oxide ceramics sealing, high temperature adhesive, welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621356138.6U CN206292636U (en) | 2016-12-12 | 2016-12-12 | The apparatus and system of oxygen concentration in a kind of control liquid LBE/Pb cooling agents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621356138.6U CN206292636U (en) | 2016-12-12 | 2016-12-12 | The apparatus and system of oxygen concentration in a kind of control liquid LBE/Pb cooling agents |
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| Publication Number | Publication Date |
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| CN206292636U true CN206292636U (en) | 2017-06-30 |
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ID=59096841
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621356138.6U Withdrawn - After Issue CN206292636U (en) | 2016-12-12 | 2016-12-12 | The apparatus and system of oxygen concentration in a kind of control liquid LBE/Pb cooling agents |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774481A (en) * | 2016-12-12 | 2017-05-31 | 中广核研究院有限公司 | The apparatus and system of oxygen concentration in a kind of control liquid LBE/Pb cooling agents |
| CN107945892A (en) * | 2017-09-29 | 2018-04-20 | 中广核研究院有限公司 | Integrated gaseous oxygen control device and lead base fast neutron reactor |
| CN109300565A (en) * | 2018-10-20 | 2019-02-01 | 中广核研究院有限公司 | Radioactive substance removes system and method in a kind of coolant |
-
2016
- 2016-12-12 CN CN201621356138.6U patent/CN206292636U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774481A (en) * | 2016-12-12 | 2017-05-31 | 中广核研究院有限公司 | The apparatus and system of oxygen concentration in a kind of control liquid LBE/Pb cooling agents |
| CN106774481B (en) * | 2016-12-12 | 2023-11-14 | 中广核研究院有限公司 | Device and system for controlling oxygen concentration in liquid LBE/Pb coolant |
| CN107945892A (en) * | 2017-09-29 | 2018-04-20 | 中广核研究院有限公司 | Integrated gaseous oxygen control device and lead base fast neutron reactor |
| CN109300565A (en) * | 2018-10-20 | 2019-02-01 | 中广核研究院有限公司 | Radioactive substance removes system and method in a kind of coolant |
| CN109300565B (en) * | 2018-10-20 | 2024-01-19 | 中广核研究院有限公司 | System and method for removing radioactive substances in coolant |
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