CN204066754U - Based on the online regular inspection regenerating unit of the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell - Google Patents
Based on the online regular inspection regenerating unit of the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell Download PDFInfo
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- CN204066754U CN204066754U CN201420535268.0U CN201420535268U CN204066754U CN 204066754 U CN204066754 U CN 204066754U CN 201420535268 U CN201420535268 U CN 201420535268U CN 204066754 U CN204066754 U CN 204066754U
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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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a kind of online regular inspection regenerating unit based on the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell, comprise being arranged at and safe shell wall runs through seal, through the monitoring system for detecting catalytic plate temperature running through seal setting, through the introducing tracheae for ventilating running through seal setting, and outside containment, be arranged at the air-channel system introduced on tracheae.The utility model improves based on nuclear power plant containment shell, utilize the principles of chemistry of the H-H reaction that disappears, judge that whether its catalytic performance is normal by measuring the temperature variation of catalytic plate when reacting, be skillfully constructed, make use of and run through seal by the combination of device and containment, ensure that the compressive sealed property of containment, by arranging of air-channel system, effective regulable control is carried out to air feed, fully ensure the safety in utilization of device and containment, entirety achieves without the need to taking out catalytic plate and directly in containment, carries out regular inspection regenerative operation to catalytic plate thus, convenient and practical.
Description
Technical field
The utility model relates to the security detection field of nuclear power station, specifically, relates to a kind of online regular inspection regenerating unit of the hydrogen oxygen recombination catalytic plate based on the in-service non-active hydrogen recombiner in nuclear power plant containment shell.
Background technology
After Fukushima, Japan nuclear accident, in order to avoid or reduce the risk of hydrogen explosion in nuclear power plant containment shell, corresponding measure is all taken as strick precaution in the world at present with two domestic generations and three generations's nuclear power station, wherein important measures are that the non-active hydrogen recombiner (PARs) of dozens of is placed in distribution in containment, the external energy is not needed when design basis accident and major accident, automatically starting, and density of hydrogen is reduced to below security level.The basic structure of non-active hydrogen recombiner can summarize the Vertical Channel (being commonly called as " chimney ") being described as bottom loading catalyst; Its principle of work is, accident occur after, hydrogen molecule contacts at catalyst surface with the oxygen molecule in air, occur as
strong heat release free radical reaction, the air of the amount of heat heating Vertical Channel porch of reaction release, expulsive force is provided for the air-flow around catalysis element rises, hot air temperature raises, density reduces and rises along passage, the space that hot-air stays after rising is flowed into by hydrogen oxygen recombination device bottom cold air and supplements, and forms " chimney effect " of gas natural diffuseness circulation.After the catalyzer being platinum or palladium when using active component, above-mentioned reaction activation reduces greatly, thus can start reaction under cryogenic.Langmuir – Hinshelwood two-step approach mechanism is followed in reaction: being first the diffusion of reactant to catalyst surface, is then that the reactant adsorbed on a catalyst reacts.Acceleration like this achieves gas inside and outside hydrogen oxygen recombination device " non-active " convection circulation, increase the gas flowing through recombiner in the unit interval, accelerate the catalytic reaction of hydrogen, thus improve the Hydrogen Energy power that disappears of recombiner, the gas after final reaction is discharged through hydrogen oxygen recombination device top.Non-active hydrogen recombiner and the natural convection of containment atmospheric environment circulate and effectively promote inflammable gas and mix, and avoid the accumulation of hydrogen.As can be seen here, the core component of the active hydrogen recombiner of catalytic plate right and wrong.
In the actual use of non-active hydrogen recombiner, in containment, there is complex environment condition: temperature is up to more than 150 DEG C, pressure is up to more than 0.5MPa, the metering of accumulation irradiation is greater than 5 × 10
6gy; Gas in containment comprises radioaerosol (>50g/m
3), water vapour (reaching as high as 60%), hydrogen (reaching as high as more than 10%), air and CO etc. poison component.Under catalytic plate is in complex environment like this for a long time, its performance may be caused to reduce, therefore, need to carry out regular Performance Detection to the recombiner catalytic plate in containment at regular intervals, test its hydrogen oxygen recombination performance whether to decline, and activating and regenerating is carried out to the catalytic plate that performance can not meet non-active hydrogen oxygen recombination requirement.
The current regular Performance Detection of existing hydrogen oxygen recombination catalytic plate and the method and apparatus of activating and regenerating all need catalytic plate to take out in containment, carry out respectively again detecting and regenerating, in other words, the regular inspection reproducer of existing catalytic plate just can carry out when all must wait until shutdown.In order to ensure generated energy and reduce radiation, the time interval of nuclear power generating sets shutdown is very long, and usually at least more than a year and a half, and existing regular inspection technology cannot the performance change of the non-active hydrogen recombiner catalytic plate of real-time follow-up for a long time in containment under complicated environmental condition.On the other hand, even if take out hydrogen oxygen recombination catalytic plate after shutdown, also likely cause the irradiation that staff is produced by radiomaterial, unhealthful.
Utility model content
For overcoming the deficiencies in the prior art, the purpose of this utility model is the online regular inspection regenerating unit providing a kind of hydrogen oxygen recombination catalytic plate based on active hydrogen recombiner non-in nuclear power plant containment shell, mainly in order to carry out the online periodic detection of hydrogen oxygen recombination performance and affected by environment and the catalytic plate that can not meet current demand carries out online activating and regenerating to performance to the in-service hydrogen oxygen recombination catalytic plate in containment.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of online regular inspection regenerating unit based on the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell, comprise being arranged at and safe shell wall runs through seal, through the monitoring system for detecting catalytic plate temperature running through seal setting, through the introducing tracheae for ventilating running through seal setting, and outside containment, be arranged at the air-channel system introduced on tracheae.
Further, described monitoring system comprises and stretches into thermopair in containment through running through seal, and be placed in the outer data acquisition system (DAS) be connected with thermopair of containment, wherein, the front end of thermopair is fixed on the hydrogen oxygen recombination catalytic plate of the non-active hydrogen recombiner installed in containment, data acquisition system (DAS) is mainly used in the data gathering thermocouple measurement, so that staff's real-time analysis.In improving further, the quantity of described thermopair and the quantity Matching of catalytic plate, namely can arrange multiple according to the quantity correspondence of catalytic plate, also the thermopair with multi-point measurement function can be adopted, its measurement point is corresponding with catalytic plate, particularly, and thermopair preferred K type thermopair.
Gas for the ease of introducing is subject to catalytic plate effect, and one end of described introducing tracheae is stretched into and is fixed on the bottom of non-active hydrogen recombiner, and the other end is communicated with air-channel system through running through seal.
In order to avoid feed air temperature reduces, the external sheath that described introducing tracheae is positioned at the part of containment has insulating.
In order to improve the sealing anti-pressure ability of containment after transformation, described in run through seal and comprise the internal layer be made up of hydraulic cementing materials, and be coated on the outside and flange be connected with containment of this internal layer, wherein, described hydraulic cementing materials is by CaO powder and SiO
2after powder mixes in the ratio of amount of substance 2:1 ~ 3:1, adding water to stir evenly and harden forms.
Particularly, described air-channel system comprise be arranged at introduce tracheae be positioned at the outside upper retaining valve of containment, controlled valve, pressure gauge and switch valve, the regular inspection gas circuit is connected with switch valve respectively with regenerate gas circuit.
Further, described regular inspection gas circuit and regeneration gas circuit include the hydrogen gas fire arrester, retaining valve, flow controller, the solenoid valve that are connected between switch valve and air supply source, wherein, the air supply source of regular inspection gas circuit is that hydrogen volume concentration is less than the hydrogen of 4% and the mixed gas of air, and the air supply source of regeneration gas circuit is that hydrogen volume concentration is less than the hydrogen of 4% and the mixed gas of nitrogen.
For the ease of air feed heating, the external sheath of the part that described introducing tracheae is positioned at outside containment has heating covering.
Particularly, described heating covering comprises the heating wire being arranged at and introducing tracheae outer wall, the shell body coated with introducing tracheae outer wall by heating wire, and is arranged at the temperature sensor in shell body.
In order to prevent gas backflow in containment from entering to introduce tracheae, described containment being also provided with pressure gauge, need can opening valve when line pressure is greater than pressure in containment and introducing mixed gas, to ensure safety.
Needs special instruction, about the safety problem passing into hydrogen gas mixture in containment.First, in containment, cumulative volume is about 50000m
3, pass into flow 300L/min by the mixed gas of standard and calculate, the mixed gas of hydrogen concentration 3% needs to continue to pass into 154 days just can make average hydrogen concentration in containment reach explosion limits 4%, and therefore customary regular inspection regenerative process can not cause explosion hazard; Secondly, the accessories such as the retaining valve that pipeline is arranged, pressure gauge also can ensure hydrogen safety effectively; Finally, containment online hydrogen-measuring apparatus must be installed in nuclear power generating sets, as the HERMITIS system of French Areva company, on-line checkingi can be carried out to concentration of hydrogen in containment vessel, once hydrogen concentration rises too fast, or the near-by explosion limit, namely stop passing into mixed gas at once, ensure safety.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model improves based on nuclear power plant containment shell, utilize the principles of chemistry of the H-H reaction that disappears, judge that whether its catalytic performance is normal by measuring the temperature variation of catalytic plate when reacting, novel ingenious, and make use of and run through seal by the combination of device and containment, ensure that the compressive sealed property of containment, also by arranging of air-channel system, air feed is effectively regulated, fully ensure the safety in utilization of device, entirety achieves the effect of directly catalytic plate being carried out to regular inspection regenerative operation without the need to taking out catalytic plate in containment thus, convenient and practical, detection efficiency can not only be significantly improved, effectively prevent loss and adverse effect that nuclear power station shutdown brings, and considerably reduce staff and suffer the irradiated time, safe and reliable, very large application value is had in this area.
(2) the utility model can carry out real-time online detection to catalytic plate by setting, to find the degradation problem of catalytic plate timely and accurately, eliminates the potential safety hazard of catalytic plate, ensures the safety of nuclear power station facility.
(3) by use of the present utility model, not only staff does not need to enter containment and takes out catalytic plate and carry out regular inspection regenerative operation, reduce in containment by exposure time, nor the irradiation catalytic plate taken out must worried to be infected with radiomaterial and it is produced, greatly ensure the health of staff.
(4) mixed gas that the utility model is introduced all controls within safe range, and also fully can ensure in conjunction with the accessory such as various valves, meter of air-channel system the hydrogen safety problem introducing mixed gas.
(5) the utility model arranges heating covering on the introducing tracheae of containment outside, directly the temperature reaching needs is made it to mixed gas heating when activating and regenerating, and decrease the loss of temperature in transmitting procedure by the insulating that the introducing tracheae in containment is arranged, promote the reduction of catalytic plate, improve reaction efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is import and export hydrogen concentration change curve and the temperature variation curve of qualified catalytic plate in regular inspection process.
In above-mentioned accompanying drawing, the component names that Reference numeral is corresponding is as follows:
1-runs through seal, and 2-introduces tracheae, 3-thermopair, 4-heats covering, 5-insulating, 6-containment, the non-active hydrogen recombiner of 7-, 8-hydrogen oxygen recombination catalytic plate, 10-air supply source, 11-solenoid valve, 12-flow controller, 13-retaining valve, 14-hydrogen gas fire arrester, 15-switch valve, 16-pressure gauge, 17-controlled valve.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1, should based on the online regular inspection regenerating unit of the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell, be mainly used in directly in containment 6, carrying out regular Performance Detection and activating and regenerating to the hydrogen oxygen recombination catalytic plate 8 of non-active hydrogen recombiner 7, it is a set of very convenient and practical device, comprise and run through seal 1, monitoring system and gas introducing system three parts, gas introducing system comprises again introduces tracheae 2 and the air-channel system for air feed and control, wherein, the probe portion of detection system and introducing tracheae all run through safe shell wall and stretch in containment, running through seal is directly installed on safe shell wall, to be fixedly connected with safe shell wall at both's through part and to make it seal, to ensure the containment performance after improving.Containment is a very complicated structure in prior art, therefore the utility model does not repeat containment itself, only introduce the dependency structure that the utility model relates to, as detect press in containment pressure gauge, for detecting the hydrogen-measuring apparatus etc. of concentration of hydrogen in containment vessel on-line checkingi.Hydrogen oxygen recombination catalytic plate is called for short catalytic plate.The concrete structure of each part mentioned above is as follows respectively:
Monitoring system, mainly for detection of the temperature of hydrogen oxygen recombination catalytic plate, specifically comprise and stretch into thermopair 3 in containment through running through seal, and be placed in the outer data acquisition system (DAS) be connected with thermopair of containment, wherein, in order to temperature variation when catalytic plate reacts accurately be detected, the front end of thermopair is fixed on the hydrogen oxygen recombination catalytic plate of the non-active hydrogen recombiner installed in containment, data acquisition system (DAS) is mainly used in the data gathering thermocouple measurement, so that staff's real-time analysis.In improving further, described thermopair can arrange multiple according to the quantity correspondence of catalytic plate, also can adopt the thermopair with multi-point measurement function, particularly, and thermopair preferred K type thermopair.
Introduce tracheae, the mixed gas being mainly used in regular inspection being regenerated passes into catalytic plate place, and therefore its one end is stretched into and is fixed on the bottom of non-active hydrogen recombiner, and gas outlet is towards catalytic plate, and the other end is communicated with air-channel system through running through seal.For the ease of air feed heating, the external sheath introducing the part that tracheae is positioned at outside containment has heating covering 4.Particularly, this heating covering comprises the heating wire being arranged at and introducing tracheae outer wall, the shell body coated with introducing tracheae outer wall by heating wire, and is arranged at the temperature sensor in shell body, can arrange the heating temp of heating wire according to demand for heat.In order to avoid feed air temperature reduces, the external sheath that introducing tracheae is positioned at the part of containment has insulating 5, and it is made up of heat-insulating heat-preserving material.
Air-channel system, be mainly used in control air feed and ensure safety, specifically comprise be arranged at introduce tracheae be positioned at the outside upper retaining valve of containment 13, controlled valve 17, pressure gauge 16 and switch valve 15, the regular inspection gas circuit is connected with switch valve respectively with regenerate gas circuit.Wherein, described regular inspection gas circuit and regeneration gas circuit include the hydrogen gas fire arrester 14, retaining valve 13, flow controller 12, the solenoid valve 11 that are connected between switch valve and air supply source 10, wherein, the air supply source of regular inspection gas circuit is that hydrogen volume concentration is less than the hydrogen of 4% and the mixed gas of air, and the air supply source of regeneration gas circuit is that hydrogen volume concentration is less than the hydrogen of 4% and the mixed gas of nitrogen.Be generally and ensure safety, line pressure need be made to be greater than pressure in containment passing into gas, namely introduce the manometric reading that tracheae is arranged and be greater than the manometric reading that containment is arranged.The implication of above-mentioned " series connection " that relate in the de-scription duplicates with the corresponding concept in circuit arrangement.
Run through seal, be mainly used in sealing thermopair and introducing tracheae running through the position of containment, to ensure the compressive sealed property of containment, specifically comprise the internal layer be made up of hydraulic cementing materials, and be coated on this internal layer outside and the flange be connected with containment, wherein, described hydraulic cementing materials is by CaO powder and SiO
2after powder mixes in the ratio of amount of substance 2:1 ~ 3:1, add suitable quantity of water to stir evenly and (be usually about 2 ~ 3 amount of substances by aforementioned ratio, judge according to actual viscosity, be not limited thereto), and obtain in a period of time (at least half an hour) after-hardening.Because hydraulic cementing materials has the characteristic that intensity is high, adhesiveness is good, closely can be filled in the gap that thermopair runs through with introducing tracheae, guarantee sealing effectiveness, and then promote resistance to compression and the high temperature resistant property of whole device.
Based on the structure of said apparatus, present embodiments provide following online periodical inspection method and on-line regeneration method:
Based on the online periodical inspection method of the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell, should comprise:
(S101) said apparatus is adopted, switch valve is adjusted to regular inspection gas circuit connected state, regular inspection mixed gas introduced by the solenoid valve opening this gas circuit, after the pressure gauge reading on introducing tracheae reaches requirement, opens controlled valve and makes regular inspection mixed gas enter in containment; Wherein, regular inspection mixed gas to be hydrogen concentration be 2.5% the empty combination gas of low-concentration hydrogen;
(S102) pass into regular inspection mixed gas by introducing tracheae to non-active hydrogen recombiner, control gas passes into flow and maintains about 300L/min, continues to not a half hour;
(S103) judge that whether the performance of this hydrogen oxygen recombination catalytic plate is normal by the temperature ascensional range of the hydrogen oxygen recombination catalytic plate in this time period of thermocouple measurement, if temperature obviously rises (amplitude of variation >=30 DEG C), then illustrate that this catalytic plate performance is normal, if temperature does not obviously rise (amplitude of variation is less than 30 DEG C), then illustrate that this catalytic plate is poisoned, performance is abnormal.As shown in Figure 2, be the typical temperature variation curve passing into the empty combination gas of hydrogen of 2.5% to catalytic plate, even if as can be seen from Figure under low hydrogen concentration, the normal catalytic plate of performance also can rise about 60 DEG C within half an hour, and temperature variation is obvious.
When the catalytic plate quantity of the performance detected abnormal (by poisoning) can cause equipment to there is security threat, can adopt and carry out activating and regenerating to by the catalytic plate poisoned with the following method, particularly, based on the on-line regeneration method of the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell, should comprise:
(S201) aforementioned means is adopted, switch valve is adjusted to regeneration gas circuit connected state, regenerative mixed gas introduced by the solenoid valve opening this gas circuit, after the pressure gauge reading on introducing tracheae reaches requirement, opens controlled valve and make regenerative mixed gas enter in containment; Wherein, regenerative mixed gas to be hydrogen concentration be 3% low-concentration hydrogen nitrogen mixed gas;
(S202) setting heating-up temperature by heating covering is 250 ~ 350 DEG C, is preferably 300 DEG C;
(S203) pass into the regenerative mixed gas after heating by introducing tracheae to non-active hydrogen recombiner, control gas passes into flow and maintains about 300L/min, continues at least one hour, to carry out activating and regenerating to by the hydrogen oxygen recombination catalytic plate poisoned;
(S204) for guaranteeing regeneration effect, adopt aforesaid online periodical inspection method, catalytic plate after regeneration is detected again, if it is normal to detect its performance, then can normally use, if it is abnormal to detect its performance, then repeat to carry out activating and regenerating to it, if repeatedly its performance is still detected as abnormal after activating and regenerating, then the catalyst failure on this catalytic plate is described, need changes after shutdown.
Above-described embodiment is only preferred embodiment of the present utility model; restriction not to the utility model protection domain; in every case design concept of the present utility model is adopted; the Performance Detection being applied to device in other containments and the technical scheme safeguarded; and the change carried out non-creativeness work on this basis and make, all should belong within protection domain of the present utility model.
Claims (10)
1. the online regular inspection regenerating unit based on the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell, it is characterized in that, comprise being arranged at and safe shell wall runs through seal, through the monitoring system for detecting catalytic plate temperature running through seal setting, through the introducing tracheae for ventilating running through seal setting, and outside containment, be arranged at the air-channel system introduced on tracheae.
2. the online regular inspection regenerating unit based on the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell according to claim 1, it is characterized in that, described monitoring system comprises and stretches into thermopair in containment through running through seal, and be placed in the outer data acquisition system (DAS) be connected with thermopair of containment, wherein, the front end of thermopair is fixed on the hydrogen oxygen recombination catalytic plate of the non-active hydrogen recombiner installed in containment.
3. the online regular inspection regenerating unit based on the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell according to claim 2, is characterized in that, the quantity of described thermopair and the quantity Matching of catalytic plate.
4. the online regular inspection regenerating unit based on the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell according to claim 1, it is characterized in that, one end of described introducing tracheae is stretched into and is fixed on the bottom of non-active hydrogen recombiner, and the other end is communicated with air-channel system through running through seal.
5. the online regular inspection regenerating unit based on the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell according to claim 4, it is characterized in that, the external sheath that described introducing tracheae is positioned at the part of containment has insulating.
6. the online regular inspection regenerating unit based on the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell according to any one of Claims 1 to 5, it is characterized in that, the described seal that runs through comprises the internal layer be made up of hydraulic cementing materials, and is coated on this internal layer outside and the flange be connected with containment.
7. the online regular inspection regenerating unit based on the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell according to any one of Claims 1 to 5, it is characterized in that, described air-channel system comprise be arranged at introduce tracheae be positioned at the outside upper retaining valve of containment, controlled valve, pressure gauge and switch valve, the regular inspection gas circuit is connected with switch valve respectively with regenerate gas circuit.
8. the online regular inspection regenerating unit based on the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell according to claim 7, it is characterized in that, described regular inspection gas circuit and regeneration gas circuit include the hydrogen gas fire arrester, retaining valve, flow controller, the solenoid valve that are connected between switch valve and air supply source, wherein, the air supply source of regular inspection gas circuit is that hydrogen volume concentration is less than the hydrogen of 4% and the mixed gas of air, and the air supply source of regeneration gas circuit is that hydrogen volume concentration is less than the hydrogen of 4% and the mixed gas of nitrogen.
9. the online regular inspection regenerating unit based on the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell according to any one of Claims 1 to 5, is characterized in that, the external sheath of the part that described introducing tracheae is positioned at outside containment has heating covering.
10. the online regular inspection regenerating unit based on the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell according to claim 9, it is characterized in that, described heating covering comprises the heating wire being arranged at and introducing tracheae outer wall, the shell body coated with introducing tracheae outer wall by heating wire, and be arranged at the temperature sensor in shell body.
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| CN201420535268.0U CN204066754U (en) | 2014-09-17 | 2014-09-17 | Based on the online regular inspection regenerating unit of the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell |
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| CN201420535268.0U CN204066754U (en) | 2014-09-17 | 2014-09-17 | Based on the online regular inspection regenerating unit of the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240777A (en) * | 2014-09-17 | 2014-12-24 | 四川材料与工艺研究所 | Online regular check and regeneration device and method based on hydrogen-oxygen composite catalytic plate in nuclear power plant containment |
| CN109887621A (en) * | 2019-01-28 | 2019-06-14 | 中广核工程有限公司 | A kind of passive hydrogen oxygen recombination device of nuclear power plant and its gas processing method |
-
2014
- 2014-09-17 CN CN201420535268.0U patent/CN204066754U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240777A (en) * | 2014-09-17 | 2014-12-24 | 四川材料与工艺研究所 | Online regular check and regeneration device and method based on hydrogen-oxygen composite catalytic plate in nuclear power plant containment |
| CN104240777B (en) * | 2014-09-17 | 2017-03-01 | 四川材料与工艺研究所 | Online regular inspection regenerating unit based on the hydrogen oxygen recombination catalytic plate in nuclear power plant containment shell and method |
| CN109887621A (en) * | 2019-01-28 | 2019-06-14 | 中广核工程有限公司 | A kind of passive hydrogen oxygen recombination device of nuclear power plant and its gas processing method |
| CN109887621B (en) * | 2019-01-28 | 2021-01-19 | 中广核工程有限公司 | Passive hydrogen-oxygen recombiner for nuclear power plant and gas treatment method thereof |
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Granted publication date: 20141231 Effective date of abandoning: 20171114 |