CN204087820U - The experimental system of simulation Nuclear Safety shell basis accident operating mode - Google Patents
The experimental system of simulation Nuclear Safety shell basis accident operating mode Download PDFInfo
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- CN204087820U CN204087820U CN201420590679.XU CN201420590679U CN204087820U CN 204087820 U CN204087820 U CN 204087820U CN 201420590679 U CN201420590679 U CN 201420590679U CN 204087820 U CN204087820 U CN 204087820U
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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
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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
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Abstract
The utility model discloses a kind of experimental system simulating Nuclear Safety shell basis accident operating mode, solving prior art cannot the problem of comprehensive simulated nuclear power basis accident operating mode.The utility model comprises the experiment container for loading passive hydrogen recombiner complete machine, to be arranged in experiment container, for the first pressure transducer of test experience container internal pressure, data acquisition system (DAS), and the gas exhaust duct be all connected with experiment container, air supply system, hydrogen supply system and be at least the sampling pipe of four; Described experiment container is connected with data acquisition system (DAS) by multipoint thermocouple.The utility model reasonable in design, nuclear power basis accident operating mode can be simulated truly, all sidedly, and test with this hydrogen performance that disappears to passive hydrogen recombiner, therefore its test result closely actual condition is also that research and the design of recombiner provides extraordinary normative reference.
Description
Technical field
The utility model relates to a kind of experimental system in nuclear power hydrogen safety equipment, and what be specifically related to is a kind of experimental system simulating Nuclear Safety shell basis accident operating mode.
Background technology
After Fukushima, Japan nuclear accident, hydrogen risk control in Nuclear Safety shell more and more comes into one's own, more and more higher to the requirement of hydrogen safety equipment, particularly as the non-active hydrogen recombiner (PARs) of the hydrogen means that mainly disappear, it to be examined especially at the runnability of accident conditions.Standard performance as hydrogen recombiner is examined, and needs the hydrogen performance that disappears examining it under design basis accident operating mode.Design basis accident working condition is, initial temperature is normal temperature or≤50 DEG C, Non-toxic gas (such as CO, gasoloid, water vapour etc.), and all the other atmosphere are air, hydrogen concentration 2% ~ 4%, so just can examine the disappear hydrogen performance of hydrogen recombiner under the normal operating conditions of Non-toxic.
The passive hydrogen recombiner of China is mainly from the import of French Areva Ta company.Though the research of this respect is had domestic, but due to the restriction of technical elements, usually laboratory study can only be used for the simulation test of recombiner design basis accident operating mode, and can not test passive hydrogen recombiner complete machine, thus it is still in the stage of theoretical analysis, the recombiner level studied is also lower, can not reflect comprehensively the hydrogen performance that disappears that passive hydrogen recombiner is real under basis accident operating mode therefore also be difficult to the needs of satisfied current actual condition.
Utility model content
For above-mentioned technical deficiency, the utility model provides a kind of experimental system simulating Nuclear Safety shell basis accident operating mode, the various conditions of nuclear power station design basis accident operating mode can be simulated truly, all sidedly, thus the hydrogen performance that disappears of non-active hydrogen recombiner is detected fully.
To achieve these goals, the technical solution adopted in the utility model is as follows:
The experimental system of simulation Nuclear Safety shell basis accident operating mode, comprise the experiment container for loading passive hydrogen recombiner complete machine, to be arranged in experiment container, for the first pressure transducer of test experience container internal pressure, and data acquisition system (DAS), also comprise the gas exhaust duct, air supply system, the hydrogen supply system that are all connected with experiment container and be at least the sampling pipe of four; Described experiment container is connected with data acquisition system (DAS) by multipoint thermocouple.
Specifically, described air supply system comprises the first air-source be connected with experiment container by the first pipeline, and is successively set on the first ducted first reduction valve, first-class gauge, retaining valve, the first isolation valve and the first spark arrester; Described first reduction valve is between the first air-source and first-class gauge.
Specifically, described hydrogen supply system comprises the sources of hydrogen be connected with experiment container by second pipe, and is successively set on the second reduction valve, second gauge, the 3rd reduction valve first solenoid valve, the second spark arrester and the 3rd isolation valve in second pipe; Described second reduction valve is between sources of hydrogen and second gauge.
Further, the utility model also comprises the spray system, gasoloid supply system, cable fire product supply system and the online supply system of water vapour that are all connected with experiment container; Described gasoloid supply system is connected with spray system.
Specifically, described spray system comprises spray liquid blending bin, to be connected and to be placed in the spray head in experiment container, and be successively set on the 4th ducted ebullator, the second solenoid valve and the 4th isolation valve by the 4th pipeline with this spray liquid blending bin; Described ebullator is between spray liquid blending bin and the second solenoid valve; Described 4th pipeline is connected with gasoloid supply system.
Specifically, described gasoloid supply system comprises the second air-source by the 5th pipeline and the 4th pipeline communication, and is successively set on the 5th ducted 5th isolation valve, aerosol generator and the 6th isolation valve; Described 5th isolation valve is between the second air-source and aerosol generator.
Again further, described cable fire product supply system comprises the 3rd air-source be connected with experiment container by the 6th pipeline, be successively set on the 6th ducted 5th reduction valve, cable fire room and the 7th isolation valve, and be arranged on the 6th pipeline and at the 7th the second pressure transducer between isolation valve and experiment container; Described 5th reduction valve is between the 3rd air-source and cable fire room.
Further, the online supply system of described water vapour comprises the steam generator be connected with experiment container by the 7th pipeline, be successively set on the 7th ducted 8th isolation valve and the 9th isolation valve, and be arranged on the 7th pipeline and the 3rd pressure transducer between steam generator and the 8th isolation valve.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model is by rational system architecture, fully taking into account on safe basis, has simulated the condition of nuclear power basis accident operating mode comparatively truly, all sidedly, and has carried out real-time testing with this to the performance of passive hydrogen recombiner.Because the operating mode of simulation is true, comprehensive, and be that passive hydrogen recombiner complete machine is tested, its performance to pressure reacting container, to react and the consideration of the security such as sampling is that testing laboratory's rank not reached, therefore, the utility model, can directly as one of research and the normative reference designing passive hydrogen recombiner to the performance test results of recombiner closely actual condition.
(2) the utility model is also provided with spray system, gasoloid supply system, cable fire product supply system and the online supply system of water vapour, can make the utility model except simulation nuclear power station design basis accident operating mode, nuclear power station design major accident operating mode can also be simulated, thus further with the various performance (startabilities of the mode of " real-time online " to passive hydrogen recombiner, stablize reactivity worth, Repeatability, water resistance etc.) comprehensively test, the result equally closely actual condition of its test, can as the foundation of arranging passive hydrogen recombiner in nuclear power station.
(3) the utility model design is rigorous, security is high, and the accident conditions of simulation is true, comprehensive, and can simulate nuclear power basis accident and major accident two kinds of operating modes respectively.The utility model is that the technical standard that the design of passive hydrogen recombiner can reach corresponding actual condition provides very valuable reference, and it has complied with scientific and technological trend well, thus has very good application prospect and promotion prospect.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present utility model.
Wherein, the parts name that Reference numeral is corresponding is called:
1-experiment container, 2-data acquisition system (DAS), 3-gas exhaust duct, 4-sampling pipe, 5-first air-source, 6-first pipeline, 7-first reduction valve, the first-class gauge of 8-, 9-retaining valve, 10-first isolation valve, 11-first spark arrester, 12-lateral, 13-second isolation valve, 14-sources of hydrogen, 15-second pipe, 16-second reduction valve, 17-second gauge, 18-the 3rd reduction valve, 19-first solenoid valve, 20-second spark arrester, 21-the 3rd isolation valve, 22-the 4th reduction valve, the blending bin of 23-spray liquid, 24-the 4th pipeline, 25-ebullator, 26-second solenoid valve, 27-the 4th isolation valve, 28-spray head, 29-second air-source, 30-the 5th pipeline, 31-the 5th isolation valve, 32-aerosol generator, 33-the 6th isolation valve, 34-the 3rd air-source, 35-the 6th pipeline, 36-the 5th reduction valve, 37-cable fire room, 38-the 7th isolation valve, 39-second pressure transducer, 40-steam generator, 41-the 7th pipeline, 42-the 3rd pressure transducer, 43-the 8th isolation valve, 44-the 9th isolation valve, 45-passive hydrogen recombiner.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.Embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1, the utility model provides a kind of experimental system can simulating Nuclear Safety shell basis accident operating mode, to test the hydrogen performance that disappears of passive hydrogen recombiner, thus provides reference for the research of recombiner and design.In equipment, the utility model comprises experiment container 1, data acquisition system (DAS) 2, air supply system and hydrogen supply system.Described experiment container 1 is for loading passive hydrogen recombiner complete machine, which is provided with gas exhaust duct 3, be at least the sampling pipe 4 of four, and some safety-valves, be then provided with the first pressure transducer in this experiment container 1, for detecting the pressure of its inside.Described data acquisition system (DAS) 2 is for recording in experimentation, and data (temperature, concentration etc.) in experiment container 1, and analyzing, this data acquisition system (DAS) 2 is connected with experiment container 1 by multipoint thermocouple.The data acquisition system (DAS) 2 that the utility model adopts and multipoint thermocouple are prior art, wherein, the data acquisition system (DAS) of the present embodiment adopts 5 piece of 16 circuit-switched data capture card to record data simultaneously, and then utilize fetch equipment derived data, then analyze, the multipoint thermocouple in the present embodiment then preferably adopts K type thermopair.
Described air supply system is used for passing into air to experiment container 1 inside, it comprises the first air-source 5 be connected with experiment container 1 by the first pipeline 6, and is successively set on the first reduction valve 7, first-class gauge 8, retaining valve 9, first isolation valve 10 and the first spark arrester 11 in the first pipeline 6; Described first reduction valve 7 is between the first air-source 5 and first-class gauge 8; Described first pipeline 6 is also provided with the lateral 12 be also communicated with experiment container 1, and is also provided with the second isolation valve 13 in this lateral 12.
Described hydrogen supply system is then for providing hydrogen to experiment container 1 inside, it comprises the sources of hydrogen 14 be connected with experiment container 1 by second pipe 15, and is successively set on the second reduction valve 16, second gauge 17, the 3rd reduction valve 18 first solenoid valve 19, second spark arrester 20 and the 3rd isolation valve 21 in second pipe 15; Described second reduction valve 16 is between sources of hydrogen 14 and second gauge 17; Described second pipe 15 is communicated with the first pipeline 6 by the 3rd pipeline, and is also provided with the 4th reduction valve 22 in the 3rd pipeline.
For carrying out simulated experiment better, the technical parameter of more above-mentioned equipment is as follows respectively:
Experiment container
Material: stainless steel, anti-hydrogen embrittlement effect is better, not easily cause leakage or hydrogen quick-fried, security is higher; Internal capacity: be greater than 40m
3, hydrogen and air that flow is enough large can be provided; Tolerance maximum temperature: 200 DEG C; Tolerance top pressure: 2MP.
First air-source: can provide and be more than or equal to 500m
3the air mass flow of/h.
Sources of hydrogen: the hydrogen flowing quantity being more than or equal to 400L/min can be provided.
According to the said equipment structure, below the implementation procedure of the disappear hydrogen performance of the utility model analog detection hydrogen recombiner when standard condition (initial temperature normal temperature, initial pressure are a little more than normal pressure, hydrogen concentration 2% ~ 4%) is described in detail.
First, passive hydrogen recombiner 45 complete machine is encased in experiment container 1, then multiple measuring points of multipoint thermocouple is fixed on each measuring position of this passive hydrogen recombiner 45, and connection data acquisition system 2.
For guaranteeing safety test, before on-test, in experiment container 1, be first filled with the air of 0.5MPa, then pressurize 30 ~ 35min, the sealing of test experiments container 1.In the process of pressurize test, the force value of the first pressure transducer real-time test experience container 1 inside in experiment container 1, at the end of pressurize, if the pressure in experiment container 1 changes, and pressure drop is less than or equal to 2kPa, then can think that this experiment container 1 has good sealing; Otherwise, then need to stop leakage in the roof reparation to experiment container 1, reseal experiment container 1.
After the sealing of test experience container 1, open gas exhaust duct 3 and the first reduction valve 7 respectively, utilize the first reduction valve 7 that the top hole pressure of the first air-source 5 is adjusted to 0.1 ~ 0.2MPa.Then open retaining valve 9 and the first isolation valve 10, and according to the flow that first-class gauge 8 shows, utilize the first isolation valve 10 by both air flow modulation to the 700 ~ 750m for being passed in experiment container 1
3/ h, utilizes the air entered to experiment container 1 more than purge 10min.Then, close gas exhaust duct 4, and continue to pass into air, until in experiment container the pressure of 1 slightly larger than closing the first reduction valve 7 and the first isolation valve 10 during 0.1MPa.
And then, open the second reduction valve 16 and the 3rd reduction valve 18 successively, utilize the second reduction valve 16 that the top hole pressure of sources of hydrogen 14 is adjusted to 0.5 ~ 0.7MPa, recycle the 3rd reduction valve 18 and gaseous tension is adjusted to 0.1 ~ 0.2MPa, the while of regulating the stable output that can realize hydrogen by different level, testing requirements can be met.After regulating the pressure of hydrogen, open the first solenoid valve 19 and the 3rd isolation valve 21 more successively, according to the flow that second gauge 17 shows, the 3rd isolation valve 19 is utilized to be adjusted to about 400L/min by for the hydrogen flowing quantity be passed in experiment container 1, then the change (detecting by Hydrogen Concentration Detector) of different sampling spot density of hydrogen in monitoring experiment container 1, and the temperature variation of different measuring points in experiment container 1.
Continue above-mentioned situation, after about 2 ~ 4min, close respective valves, stop passing into hydrogen, the average hydrogen concentration now in experiment container 1 can reach about 2% ~ 4%.
Then, utilize the data of data acquisition system, observe the surface temperature of passive hydrogen recombiner 45 catalytic plate, if find, temperature has obvious ascendant trend, then start h start-up time recording recombiner, this start-up time, the start of record of h was the time that hydrogen stops when passing into, and the end of record time is that catalytic plate surface temperature rises time of 10 DEG C.
Finally, continue to observe and record the density of hydrogen change of different sampling spot in experiment container 1, and the temperature variation of different measuring points in experiment container 1, passing into after hydrogen is about 60min in stopping, stopping monitoring and record, and terminate to test.
Suppose that the average hydrogen concentration of each be recorded to sampling spot is C
h', and initially to pass into density of hydrogen in container be C
h, then the hydrogen efficiency η that disappears after test can adopt following formulae discovery:
η＝(1-C
H’/C
H)×100％；
According to above-mentioned result of calculation, if h≤30min start-up time of recombiner model machine, and hydrogen efficiency η >=85% that disappears, then think that this recombiner performance is normal.
Above-mentioned when being the utility model simulation basis accident operating mode test passive hydrogen recombiner to disappear the implementation procedure of hydrogen performance.And on this basis, the utility model can also simulate the performance test of passive hydrogen recombiner under major accident operating mode.Still as shown in Figure 1, specifically, in system architecture, the utility model is also provided with the spray system, gasoloid supply system, cable fire product supply system and the online supply system of water vapour that are all connected with experiment container 1, by these systems, and with the coordinating of experiment container 1, air supply system and hydrogen supply system, the simulation test of passive hydrogen recombiner under major accident operating mode can be realized.
In several systems of above-mentioned setting, described spray system is used for spraying into spray liquid in experiment container 1.Specifically, this spray system comprises the spray liquid blending bin 23 built with the spray liquid mixed by the boric acid of water, 2000 ~ 2200ppm and the NaOH of 0.4% ~ 0.6%, to be connected with this spray liquid blending bin 23 by the 4th pipeline 24 and to be placed in the spray head 28 in experiment container 1, and ebullator 25, second solenoid valve 26 be successively set in the 4th pipeline 24 and the 4th isolation valve 27; Described ebullator 25 is between spray liquid blending bin 23 and the second solenoid valve 26.
Described gasoloid supply system is used for passing into gasoloid in experiment container 1.Specifically, this gasoloid supply system comprises the second air-source 29 be communicated with the 4th pipeline 24 by the 5th pipeline 30, and is successively set on the 5th isolation valve 31, aerosol generator 32 and the 6th isolation valve 33 in the 5th pipeline 30; Described 5th isolation valve 31 is between the second air-source 29 and aerosol generator 32.
Described cable fire product supply system is used for passing into cable fire gaseous product in experiment container 1.This cable fire product supply system comprises the 3rd air-source 34 be connected with experiment container 1 by the 6th pipeline 35, be successively set on the 5th reduction valve 36 in the 6th pipeline 35, cable fire room 37 and the 7th isolation valve 38, and be arranged on the 6th pipeline 35 and the second pressure transducer 39 between the 7th isolation valve 38 and experiment container 1; Described 5th reduction valve 36 is between the 3rd air-source 34 and cable fire room 37.
The online supply system of described water vapour then for passing into water vapour in experiment container 1.The online supply system of this water vapour comprises the steam generator 40 be connected with experiment container 1 by the 7th pipeline 41, be successively set on the 8th isolation valve 43 in the 7th pipeline 41 and the 9th isolation valve 44, and be arranged on the 7th pipeline 41 and the 3rd pressure transducer 42 between steam generator 40 and the 8th isolation valve 43; Described first pipeline 6 by the 8th pipeline and the 7th pipeline communication, and is also provided with valve in the 8th pipeline.
In above-mentioned several system, the technical parameter of some major equipments is as follows respectively:
Spray head: can 2m be realized
3the spray flow of/h.
Aerosol generator: external heating, and the gasoloid that can spray into about 2kg in 10 minutes in experiment container.
Cable fire room: can be more than heated sealed to 600 DEG C.
Steam generator: water loss is more than or equal to 500kg/h.
Below the utility model simulation major accident operating mode (high temperature, high pressure, high humility, gasoloid, cable fire gaseous product, iodine vapor, spray liquid) is tested the disappear implementation procedure of hydrogen performance of passive hydrogen recombiner and described in detail.
The same with above-mentioned steps, passive hydrogen recombiner 45 is loaded in experiment container 1, and connects multipoint thermocouple and data acquisition system (DAS) 2 respectively, then pressurize test is carried out to experiment container 1.
After pressurize test passes, utilize air to carry out purge to experiment container 1 equally, then close the respective valves of air inlet, until the pressure in experiment container 1 is slightly larger than after 0.1MPa, close gas exhaust duct 3.
Then, open the burning power supply in the 5th reduction valve 36 and cable fire room 37 respectively, and to set heating-up temperature be 600 DEG C, then after the top hole pressure regulating the 3rd air-source 34, be passed in cable fire room 37, realize the burning to cable.After cable fire terminates, open the 7th isolation valve 38, regulate the flow of cable fire gaseous product to 200L/min, Stress control is at 0.1 ~ 0.2MPa, cable fire gaseous product is allowed to be passed in experiment container 1, after about 8 ~ 10min, close the 7th isolation valve 38, stop passing into cable fire gaseous product.
And then, in aerosol generator 32, the iodine of 1.0 ~ 1.2g and the solid BaSO of 2000g is added
4powder mixes, and opens the 5th isolation valve 31, is passed in aerosol generator 32 by the air in the second air-source 29, then heats potpourri, and the temperature of setting heating is 100 DEG C.After heating about 30 ~ 35min, temperature reaches more than 600 DEG C, and the gasoloid obtained containing iodine vapor, then the 5th isolation valve 31 and the 6th isolation valve 33 is opened successively, utilize the air that the second air-source 29 provides, promote gasoloid to continue to be passed in experiment container 1, make gasoloid continue to be passed in experiment container 1, treat that the iodine vapor concentration in this experiment container 1 is more than or equal to 30mg/m
3, aerosol concentration is more than or equal to 50g/m
3time, close the 6th isolation valve 33, stop heating simultaneously.
Regulate output pressure value to the 0.5 ~ 0.6MPa of steam generator 40, then open the 8th isolation valve 43 and the 9th isolation valve 44 successively, water vapour is continued be passed in experiment container 1.After the pressure in experiment container 1 reaches 0.55 ~ 0.6MPa, regulate the pressure-regulating valve in steam generator 40 exit, make the pressure stability in experiment container 1 0.55 ~ 0.6MPa (realizing by pressure maintaining valve), and continue to pass into more than 30min, make temperature in experiment container be more than or equal to 150 DEG C, pressure is more than or equal to 0.5MPa.
Open the second reduction valve 16 and the 3rd reduction valve 18 successively, utilize the second reduction valve 16 and the 3rd reduction valve 18 that the top hole pressure of sources of hydrogen 14 is adjusted to more than 0.5MPa, the while of regulating the stable output that can realize hydrogen by different level, can testing requirements be met.After regulating the pressure of hydrogen, open the first solenoid valve 19 and the 3rd isolation valve 21 more successively, according to the flow that second gauge 17 shows, the 3rd isolation valve 19 is utilized to be adjusted to about 400L/min by for the hydrogen flowing quantity be passed in experiment container 1, then the change (detecting by Hydrogen Concentration Detector) of different sampling spot density of hydrogen in monitoring experiment container 1, and the temperature variation of different measuring points in experiment container 1.
Continue above-mentioned situation, after about 8 ~ 17min, close respective valves, stop passing into hydrogen, the average hydrogen concentration now in experiment container 1 can reach about 2% ~ 4%.
Then, utilize the data of data acquisition system, observe the surface temperature of passive hydrogen recombiner 45 catalytic plate, if find, temperature has obvious ascendant trend, then start h start-up time recording recombiner, this start-up time, the start of record of h was the time that hydrogen stops when passing into, and the end of record time is that catalytic plate surface temperature rises time of 10 DEG C.
After stopping passes into hydrogen 30 ~ 35min, start spray system.Open the second solenoid valve 26 and the 4th isolation valve 27, then by ebullator 25, the spray liquid prepared in spray liquid blending bin 23 in advance (i.e. the aqueous solution of the boric acid of water, 2000 ~ 2200ppm and the NaOH mixing of 0.4% ~ 0.6%) is pumped, and by spray head 28 to be more than or equal to 2m
3the flow of/h is injected in experiment container 1.The pressure observed in spray process in experiment container 1 changes and the density of hydrogen of each sampling spot changes, and reaches after more than 10min until spray time, stops spray.
After stopping spray, continue to observe and the density of hydrogen change of different sampling spot in record experiment container 1, and the temperature variation of different measuring points in experiment container 1.Pass into after hydrogen is about 60min in stopping, stopping observing and record, and terminate test.
According to above-mentioned test recorded data, below the hydrogen performance that disappears of passive hydrogen recombiner under major accident operating mode is analyzed.
Hypothetical record to the average hydrogen concentration of each sampling spot be C
h', and initially to pass into density of hydrogen in container be C
h, then the hydrogen efficiency η that disappears after test can adopt above-mentioned formulae discovery equally:
η＝(1-C
H’/C
H)×100％；
According to above-mentioned result of calculation, if h≤30min start-up time of recombiner model machine, disappear hydrogen efficiency η >=60%, then think that recombiner hydraulic performance decline under simulation major accident operating mode is few, still can normally work.
The utility model is by rational structural design, the recombiner performance test under board design basis accident operating mode can be carried out, and on this basis, utilize the other system set up, the utility model can also simulate nuclear plant severe accident operating mode, and tests the performance of passive hydrogen recombiner.In addition, if after system architecture of the present utility model changes a little, in the development that equally also can be used in other nuclear power hydrogen safety equipment and Performance Detection.As can be seen here, the utility model can well for the performance of passive hydrogen recombiner provides test evaluation accurately, and then provides meaning, valuable reference for the research of recombiner and design can reach corresponding technical standard.Therefore, compared with prior art, technical progress is obvious for the utility model, have substantial feature and progress.
Above-described embodiment is only preferred embodiment of the present utility model; it is not the restriction to the utility model protection domain; in every case design concept of the present utility model being adopted, 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 (8)
1. simulate the experimental system of Nuclear Safety shell basis accident operating mode, comprise the experiment container (1) for loading passive hydrogen recombiner complete machine, to be arranged in experiment container (1), for the first pressure transducer of test experience container internal pressure, and data acquisition system (DAS) (2), it is characterized in that, also comprise the gas exhaust duct (3), air supply system, the hydrogen supply system that are all connected with experiment container (1) and be at least the sampling pipe (4) of four; Described experiment container (1) is connected with data acquisition system (DAS) (2) by multipoint thermocouple.
2. the experimental system of simulation Nuclear Safety shell basis accident operating mode according to claim 1, it is characterized in that, described air supply system comprises the first air-source (5) be connected with experiment container (1) by the first pipeline (6), and is successively set on the first reduction valve (7) in the first pipeline (6), first-class gauge (8), retaining valve (9), the first isolation valve (10) and the first spark arrester (11); Described first reduction valve (7) is positioned between the first air-source (5) and first-class gauge (8).
3. the experimental system of simulation Nuclear Safety shell basis accident operating mode according to claim 2, it is characterized in that, described hydrogen supply system comprises the sources of hydrogen (14) be connected with experiment container (1) by second pipe (15), and is successively set on the second reduction valve (16), second gauge (17), the 3rd reduction valve (18) first solenoid valve (19), the second spark arrester (20) and the 3rd isolation valve (21) in second pipe (15); Described second reduction valve (16) is positioned between sources of hydrogen (14) and second gauge (17).
4. the experimental system of simulation Nuclear Safety shell basis accident operating mode according to claim 3, it is characterized in that, also comprise the spray system, gasoloid supply system, cable fire product supply system and the online supply system of water vapour that are all connected with experiment container (1); Described gasoloid supply system is connected with spray system.
5. the experimental system of simulation Nuclear Safety shell basis accident operating mode according to claim 4, it is characterized in that, described spray system comprises built with by water, the spray liquid blending bin (23) of the spray liquid that the boric acid of 2000 ~ 2200ppm and the NaOH of 0.4% ~ 0.6% mix, to be connected with this spray liquid blending bin (23) by the 4th pipeline (24) and to be placed in the spray head (28) in experiment container (1), and the ebullator (25) be successively set in the 4th pipeline (24), second solenoid valve (26) and the 4th isolation valve (27), described ebullator (25) is positioned between spray liquid blending bin (23) and the second solenoid valve (26), described 4th pipeline (24) is connected with gasoloid supply system.
6. the experimental system of simulation Nuclear Safety shell basis accident operating mode according to claim 5, it is characterized in that, described gasoloid supply system comprises the second air-source (29) be communicated with the 4th pipeline (24) by the 5th pipeline (30), and is successively set on the 5th isolation valve (31), aerosol generator (32) and the 6th isolation valve (33) in the 5th pipeline (30); Described 5th isolation valve (31) is positioned between the second air-source (29) and aerosol generator (32).
7. the experimental system of simulation Nuclear Safety shell basis accident operating mode according to claim 6, it is characterized in that, described cable fire product supply system comprises the 3rd air-source (34) be connected with experiment container (1) by the 6th pipeline (35), be successively set on the 5th reduction valve (36) in the 6th pipeline (35), cable fire room (37) and the 7th isolation valve (38), and be arranged on the 6th pipeline (35) and go up and be positioned at the second pressure transducer (39) between the 7th isolation valve (38) and experiment container (1), described 5th reduction valve (36) is positioned between the 3rd air-source (34) and cable fire room (37).
8. the experimental system of simulation Nuclear Safety shell basis accident operating mode according to claim 7, it is characterized in that, the online supply system of described water vapour comprises the steam generator (40) be connected with experiment container (1) by the 7th pipeline (41), be successively set on the 8th isolation valve (43) in the 7th pipeline (41) and the 9th isolation valve (44), and be arranged on the 7th pipeline (41) and go up and be positioned at the 3rd pressure transducer (42) between steam generator (40) and the 8th isolation valve (43).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269195A (en) * | 2014-10-13 | 2015-01-07 | 中国工程物理研究院材料研究所 | Experiment system for simulating nuclear containment benchmark accident condition and realizing method of experiment system |
| CN106155761A (en) * | 2015-04-09 | 2016-11-23 | 中科华核电技术研究院有限公司 | Simulation program changing method |
| CN106448754A (en) * | 2016-10-19 | 2017-02-22 | 中国核电工程有限公司 | Periodic test strategic analysis method of nuclear power plant containment passive hydrogen elimination system |
| CN109003687A (en) * | 2018-07-05 | 2018-12-14 | 西安交通大学 | A kind of device and method for simulating steam ambient in containment under nuclear power plant accident operating condition |
-
2014
- 2014-10-13 CN CN201420590679.XU patent/CN204087820U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269195A (en) * | 2014-10-13 | 2015-01-07 | 中国工程物理研究院材料研究所 | Experiment system for simulating nuclear containment benchmark accident condition and realizing method of experiment system |
| CN106155761A (en) * | 2015-04-09 | 2016-11-23 | 中科华核电技术研究院有限公司 | Simulation program changing method |
| CN106155761B (en) * | 2015-04-09 | 2019-05-28 | 中广核研究院有限公司 | Simulation program switching method |
| CN106448754A (en) * | 2016-10-19 | 2017-02-22 | 中国核电工程有限公司 | Periodic test strategic analysis method of nuclear power plant containment passive hydrogen elimination system |
| CN106448754B (en) * | 2016-10-19 | 2021-11-16 | 中国核电工程有限公司 | Periodic test strategy analysis method for passive hydrogen elimination system of containment vessel of nuclear power plant |
| CN109003687A (en) * | 2018-07-05 | 2018-12-14 | 西安交通大学 | A kind of device and method for simulating steam ambient in containment under nuclear power plant accident operating condition |
| CN109003687B (en) * | 2018-07-05 | 2020-08-14 | 西安交通大学 | Device and method for simulating steam environment in containment vessel under accident condition of nuclear power station |
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