CN204029400U - Circuit system and comprise that its nuclear reactor safety shell moisture joins test unit - Google Patents
Circuit system and comprise that its nuclear reactor safety shell moisture joins test unit Download PDFInfo
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- CN204029400U CN204029400U CN201420467746.9U CN201420467746U CN204029400U CN 204029400 U CN204029400 U CN 204029400U CN 201420467746 U CN201420467746 U CN 201420467746U CN 204029400 U CN204029400 U CN 204029400U
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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
A kind of circuit system and comprise that its nuclear reactor safety shell moisture joins test unit.This circuit system, for nuclear reactor safety shell moisture, join test unit, nuclear reactor safety shell moisture is joined test unit and is comprised Test section, minute bucket, cofferdam, upper collection tank and lower collection tank, circuit system is transported to a minute bucket by test with liquid, test is transported to Test section with liquid for minute bucket and the cofferdam of flowing through is collected by upper collection tank and lower collection tank, circuit system can carry out preliminary adjusting and secondary adjusting with the fluid flow of liquid to test, thereby to providing stabilizing liquid flow to a minute bucket (2).
Description
Technical field
The utility model relates to a kind of circuit system, in particular to a kind of circuit system with comprise that its nuclear reactor safety shell moisture joins test unit.
Background technology
The nuclear power of safety is a kind of clean energy resource of high-energy source density, to preserving the ecological environment, readjust the energy structure and ensureing that energy security has important effect.Once yet safety problem appears in nuclear power station, can bring huge harm to staff, periphery resident and ecologic environment etc.Nuclear plant safety problem is the problem that people must emphasis while applying nuclear power consider for this reason.Particularly, be exactly how to take away the heat that nuclear reactor produces when having an accident.At present the in the situation that of the complete power-off of nuclear power station, consider to utilize the gravity of material, the principles such as the natural convection of fluid, diffusion, evaporation, condensation are in the situation that nuclear reactor has an accident, when temperature and pressure in the containment of nuclear reactor increases, utilize the cooling and outside wall surface of the internal face of containment at the dome of containment and right cylinder, to form moisture film by containment water dispenser and take away the heat being produced by nuclear reactor in the situation that having an accident.In the situation that having an accident, containment water dispenser can, at least 72 hours, be guaranteed nuclear plant safety in the active power supply in outside and operations staff's intervention situation.
According to containment structure feature (dome and right cylinder) and moisture film heat transfer characteristic, stabilizing liquid flow, form that uniform moisture film, moisture film coverage rate are high is conducive to take away the heat that nuclear reactor produces fast.Nuclear reactor safety shell moisture is joined test unit and is comprised Test section, division box, mounting system and circuit system.Division box comprises minute bucket and cofferdam.Circuit system comprises liquid reserve tank, liquid-return box, supply line, liquid-feeding pump, flowmeter, a plurality of valve, minute water water collector, tapping line, injection pipeline and filtrator etc.Liquid reserve tank is filled test liquid, the exit of liquid reserve tank is connected with high-power liquid-feeding pump, test is delivered to supply line with liquid pump, test is pumped into a minute bucket with liquid through liquid-feeding pump, a plurality of valve, flowmeter, after flow reallocation is carried out in cofferdam, be formed on the moisture film that dome is evenly distributed and flow downward along wall.As can be seen here, test is played vital effect with the control of liquid fluid flow for obtaining test findings accurately.
For this reason, need a kind of for nuclear reactor safety shell moisture join test unit circuit system, it can be realized in the short period of time accurate test and control with liquid fluid flow.
Utility model content
The purpose of this utility model is to provide a kind of circuit system, and it can realize liquid fluid flow control for accurate test in the short period of time circuit system, thereby solves the problem that prior art circuit system is encountered.
An aspect of the present utility model provides a kind of circuit system 4, wherein circuit system 4 comprises the first injection pipeline F, supply line 400, regulate pipeline 401 and liquid reserve tank 405, wherein test with liquid and be injected into liquid reserve tank 405 by the first injection pipeline F, supply line 400 is provided with liquid-feeding pump 406 and the flowmeter 420 being connected with frequency converter 410 along liquid communication direction, and supply line 400 has been divided into the first handoff leg 402a and the second handoff leg 402b in flowmeter 420 downstreams, regulate pipeline 401 to be provided with variable valve 409, regulate pipeline 401 for supply line 400 being connected to liquid reserve tank 405 between liquid-feeding pump 406 and flowmeter 420, the first handoff leg 402a leads to container 2 by the first switching control pilot 412, the second handoff leg 402b leads to liquid reserve tank 405 by second switch operation valve 421, the aperture of variable valve 409 is conditioned, thereby the fluid flow to supply line 400 tentatively regulates, frequency converter 410 is conditioned, thereby control the confluent of liquid-feeding pump 406, for the fluid flow of supply line 400 is carried out to secondary adjusting, when flowmeter 420 measuring-signals show that test is stablized with the fluid flow of liquid, close second switch operation valve, open the first switching control pilot, thereby to providing stabilizing liquid flow to container 2.
The circuit system 4 providing according to the utility model, while wherein not needing container 2 that stabilizing liquid flow is provided, opens second switch operation valve and closes the first switching control pilot.
The circuit system 4 providing according to the utility model, wherein on supply line 400, between liquid-feeding pump 406 and flowmeter 420, along test, with the flow direction of liquid, be provided with the first stop valve 407 and the first switch valve 408, for controlling the opening and closing of supply line 400, regulate pipeline 401 for supply line 400 being connected to liquid reserve tank 405 between the first switch valve 408 and flowmeter 420.
The circuit system 4 providing according to the utility model, wherein circuit system 4 also comprises liquid-return box 415, second injects pipeline 404 and is arranged on time liquid pump 417 on the second injection pipeline 404, the second stop valve 418 and second switch valve 419, second injects pipeline 404 for liquid-return box 415 is connected to liquid reserve tank 405, test from container 2 is transported to liquid-return box 415 with liquid by tapping line, test in liquid-return box is injected pipeline 404 and time liquid pump 417 disposed thereon with liquid and then by second, the second stop valve 418 and second switch valve 419 are transported to liquid reserve tank 405, so that cyclically to container 2 supply test liquid.
The circuit system 4 providing according to the utility model, wherein tapping line is provided with manual ball valve, for controlling the opening and closing of tapping line.
The circuit system 4 providing according to the utility model, wherein test is water with liquid.
The circuit system 4 providing according to the utility model, is wherein provided with filtrator 416 on the second injection pipeline 404.
Another object of the present utility model is to provide a kind of and comprises that the nuclear reactor safety shell moisture of circuit system is joined test unit as previously mentioned, and nuclear reactor safety shell moisture is joined test unit and had stable discharge.
Another aspect of the present utility model provides a kind of nuclear reactor safety shell moisture to join test unit, it comprises Test section 1, divide bucket 2, cofferdam 3a, 3b, mounting system 5, upper collection tank 413a and lower collection tank 413b, wherein divide bucket 2 to be arranged on the top of Test section 1, cofferdam is arranged on the outside surface of Test section 1, upper collection tank 413a is attached to mounting system 5 and closes on cofferdam, lower collection tank 413b is arranged on the bottom of Test section 1, wherein nuclear reactor safety shell moisture is joined test unit and is also comprised according to the circuit system 4 described in any one in claim 1-7, circuit system 4 is for being transported to test water in minute bucket 2, test water is transported to Test section 1 for minute bucket 2 and the cofferdam of flowing through is collected by upper collection tank 413a and lower collection tank 413b, when flowmeter 420 measuring-signals show that the discharge of test water is stablized, close second switch operation valve, open the first switching control pilot, thereby provide stationary flow amount to a minute bucket 2.
The nuclear reactor safety shell moisture providing according to the utility model is joined test unit, wherein Test section 1 comprises dome covering of the fan 10 and vertical curved wall 11, the covering of the fan that dome covering of the fan 10 is 1/8, the crooked cylinder that vertically curved wall 11 is 1/16, on the dome covering of the fan 10 of Test section 1, be provided with at least one cofferdam, upper collection tank 413a is attached to mounting system 5 and closes at least one cofferdam.
The nuclear reactor safety shell moisture providing according to the utility model is joined test unit, the test water that wherein the upper tank 413a of collection and lower collection tank 413b collect is returned the liquid-return box 415 of circuit system 4 by first row water pipeline and second row water pipe respectively by pumping, first row water pipeline and second row water pipe are respectively arranged with manual ball valve, for controlling the opening and closing of first row water pipeline and second row water pipe.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, at length discuss the above and other aspect of utility model, in accompanying drawing:
Fig. 1 a shows the schematic diagram according to circuit system of the present utility model.
Fig. 1 comprises the schematic perspective view of joining test unit according to the nuclear reactor safety shell moisture of the circuit system in Fig. 1 a of the present utility model.
Fig. 2 shows the collection tank schematic perspective view in Fig. 1.
Fig. 3 shows the cofferdam schematic perspective view in Fig. 1.
Fig. 4 shows minute bucket schematic perspective view in Fig. 1.
Fig. 5 shows the schematic diagram of joining the circuit system of test unit for the nuclear reactor safety shell moisture of Fig. 1.
Fig. 6 shows the TT&C system frame diagram in Fig. 1.
Fig. 7 shows the circuit system experimental water flow control curve map in Fig. 1.
Component names and label
| 1 | Test section |
| 10 | Dome covering of the fan |
| 11 | Vertical curved wall |
| 2 | Container (minute bucket) |
| 21 | The first side wall |
| 22 | The second sidewall |
| 23 | Arcwall |
| 24 | Base plate |
| 25 | Groove |
| 3a | The first cofferdam |
| 31 | Collect dam |
| 32 | Collection tube |
| 33 | Distributor disk |
| 34 | Distributing trough |
| 35 | Dividing plate |
| 36 | Aperture |
| 37 | V-shaped groove |
| 3b | The second cofferdam |
| 400 | Supply line |
| 401 | Regulate pipeline |
| 402a | The first handoff leg |
| 402b | The second handoff leg |
| 403 | Tapping line |
| 403a | The first tapping line |
| 403b | The second tapping line |
| F | First injects pipeline |
| 404 | Second injects pipeline |
| 405 | Liquid reserve tank |
| 406 | Liquid-feeding pump |
| 407 | The first stop valve |
| 408 | The first switch valve |
| 409 | Variable valve |
| 410 | Frequency converter |
| 411 | Divide water water collector |
| 412 | The first switching control pilot |
| 413a | Upper collection tank |
| 413b | Lower collection tank |
| 414 | Manual ball valve |
| 415 | Liquid-return box |
| 416 | Filtrator |
| 417 | Return liquid pump |
| 418 | The second stop valve |
| 419 | Second switch valve |
| 420 | Flowmeter |
| 4130 | Antetheca |
| 4131 | Rear wall |
| 4132 | The first side wall |
| 4133 | The second sidewall |
| 4134 | Bottom |
| 421 | Second switch operation valve |
| 5 | Mounting system |
| 51 | Crossbeam |
| 52 | Column |
| 53 | Platform |
| 6 | TT&C system |
| 651 | Displaying Meter |
| 652 | Host computer |
| 653 | Slave computer |
| 661 | Controller |
| 662 | Computer |
| 663 | Synchronizer trigger |
| 664 | Trigger |
| 665 | Video acquisition industrial computer |
| 671，672，673，674，675，676，677，678，679，681，682，683，684，685，686 | Cable |
| 7 | Zink rod |
| 8 | Baffle plate |
Embodiment
Fig. 1 a-7 and following declarative description optional embodiment of the present utility model with instruction those of ordinary skills, how to implement and to reproduce the utility model.In order to instruct technical solutions of the utility model, simplified or omitted some conventional aspects.It should be understood by one skilled in the art that and be derived from the modification of these embodiments or replace and will drop in protection domain of the present utility model.It should be understood by one skilled in the art that following characteristics can combine to form a plurality of modification of the present utility model in every way.Thus, the utility model is not limited to following optional embodiment, and only by claim and their equivalent, is limited.
According to nuclear reactor safety shell moisture of the present utility model, joining test unit, to take powerful non-active nuclear reactor safety shell be subjects, and non-active nuclear reactor safety shell comprises dome and cylinder.
Fig. 1 a shows the schematic diagram according to circuit system of the present utility model.Alternatively, circuit system 4 comprises the first injection pipeline F, supply line 400, regulate pipeline 401 and liquid reserve tank 405, wherein test with liquid and be injected into liquid reserve tank 405 by the first injection pipeline F, supply line 400 is provided with liquid-feeding pump 406 and the flowmeter 420 being connected with frequency converter 410 along liquid communication direction, and supply line 400 has been divided into the first handoff leg 402a and the second handoff leg 402b in flowmeter 420 downstreams, regulate pipeline 401 to be provided with variable valve 409, regulate pipeline 401 for supply line 400 being connected to liquid reserve tank 405 between liquid-feeding pump 406 and flowmeter 420, the first handoff leg 402a leads to container 2 by the first switching control pilot 412, the second handoff leg 402b leads to liquid reserve tank 405(alternatively by second switch operation valve 421, the second handoff leg 402b leads to liquid reserve tank 405 by second switch operation valve 421 and a minute water water collector 411), the aperture of variable valve 409 is conditioned, thereby the fluid flow to supply line 400 tentatively regulates, frequency converter 410 is conditioned, thereby control the confluent of liquid-feeding pump 406, for the fluid flow of supply line 400 is carried out to secondary adjusting, when flowmeter 420 measuring-signals show that test is stablized with the fluid flow of liquid, close second switch operation valve, open the first switching control pilot, thereby to providing stabilizing liquid flow to container 2.Alternatively, while not needing container 2 that stabilizing liquid flow is provided, open second switch operation valve and close the first switching control pilot.
Alternatively, on supply line 400, between liquid-feeding pump 406 and flowmeter 420, along test, with the flow direction of liquid, be provided with the first stop valve 407 and the first switch valve 408, for controlling the opening and closing of supply line 400.Regulate pipeline 401 for supply line 400 being connected to liquid reserve tank 405 between the first switch valve 408 and flowmeter 420.
Alternatively, circuit system 4 also comprises liquid-return box 415, second injects pipeline 404 and is arranged on time liquid pump 417 on the second injection pipeline 404, the second stop valve 418 and second switch valve 419, second injects pipeline 404 for liquid-return box 415 is connected to liquid reserve tank 405, test from container 2 is transported to liquid-return box 415 with liquid by tapping line 403, test in liquid-return box is injected pipeline 404 and time liquid pump 417 disposed thereon with liquid and then by second, the second stop valve 418 and second switch valve 419 are transported to liquid reserve tank 405, so that cyclically to container 2 supply test liquid.
Alternatively, tapping line 403 is provided with manual ball valve 414, for controlling the opening and closing of tapping line 403.Alternatively, test is water with liquid.Alternatively, on the second injection pipeline 404, be provided with filtrator 416.
Fig. 1 joins the schematic perspective view of test unit according to nuclear reactor safety shell moisture of the present utility model.As shown in Figure 1, according to nuclear reactor safety shell moisture of the present utility model, join test unit and comprise Test section 1, minute bucket 2, cofferdam 3a, 3b, circuit system 4, mounting system 5, TT&C system 6(are not shown), baffle plate 8, upper collection tank 413a and lower collection tank 413b.As shown in Figure 1, Test section 1 comprises dome covering of the fan 10 and the vertical curved wall 11 of nuclear reactor safety shell, wherein dome covering of the fan is 1/8 covering of the fan, the crooked cylinder that vertically curved wall 11 is 1/16, on Test section 1, with a plurality of zink rods 7 and be coated with inorganic zinc coating, wherein a plurality of zink rods 7 are for the weld seam on Reality simulation nuclear reactor safety shell.Table 1 shows the design parameter of Test section 1, approximately 17.00 meters of Test section 1 height overalls, high approximately 14.00 meters of dome, the thick about 6.0mm(of Test section adopts the Standard of steel thickness of prior art), through about 43.00 meters (the corresponding diameters of crooked cylinder), Test section 1(is except thickness in Test section) mismachining tolerance be
43mm.
As shown in Figure 1, baffle plate 8 is connected with a sidewall of minute bucket 2 with a lateral edges of Test section 1.Another baffle plate (not shown in figure 1) is connected with another sidewall of minute bucket 2 for the opposite side edge with Test section 1, and this belongs to prior art, and those skilled in the art can implement, and are not repeated herein.
Fig. 4 shows according to minute bucket schematic perspective view in Fig. 1 of the present utility model.As shown in Figure 1 and Figure 4, divide bucket 2 to be arranged on the top of Test section 1, minute bucket 2 cuts that body comprises the arcwall 23 of the first side wall 21, the second sidewall 22, connection the first side wall 21 and the second sidewall 22 and for sealing the base plate 24 of the bottom of minute bucket 2 for covering of the fan, wherein divides on the arcwall 23 of bucket 2 and is provided with groove 25.Alternatively, the arcwall 23 of minute bucket 2 is provided with two rectangular channels 25, and each rectangular channel 25 is wide is 10.0mm, and the spacing between rectangular channel 25 is 75.0mm, and Pocket Machining error is ± 0.5mm.As shown in Figure 4, a minute bucket 2 is cut body for covering of the fan, and 1/8 covering of the fan that is specially cylinder is cut body, and a minute bucket 2 is arranged on the top of Test section 1.In the utility model, minute the first side wall 21 of bucket 2 and the length of the second sidewall 22 are 350.0mm, and arcwall 23 is of a size of 300.0mm, and the height of minute bucket 2 is 450mm, and minute bucket 2 volumes are 5.67 liters.
The main design size of table 1 test unit and parameter
| Parameter | Test unit |
| Dome high (m) | 14.0 |
| Height overall (m) | 17.0 |
| Test section internal diameter (m) | 43.0 |
| Test section thickness (mm) | 6.0 |
Fig. 3 shows according to the cofferdam schematic perspective view in Fig. 1 of the present utility model.As shown in figures 1 and 3, in this embodiment, the cofferdam that nuclear reactor safety shell moisture is joined test unit comprises the first cofferdam 3a and the second cofferdam 3b, the first cofferdam 3a is attached on Test section 1 outer wall with removably with minute spaced apart certain distance of bucket 2, and the bottom interval of the second cofferdam 3b and the first cofferdam 3a and Test section 1 is opened certain distance and also with removably, is attached on the outer wall of Test section 1.Alternatively, the first cofferdam 3a and the second cofferdam 3b are attached on Test section 1 by bolt.Particularly, as shown in Figure 3, the first cofferdam 3a and the second cofferdam 3b include and collect dam 31, collection tube 32, distributor disk 33, distributing trough 34 and dividing plate 35.On the sidewall of distributor disk 33, be provided with a plurality of V-shaped grooves 37.The top that the bottom of the sidewall of distributing trough 34 is provided with aperture 36 and sidewall is provided with V-shaped groove 37.The experimental water flowing out from the groove 25 of minute bucket 2 flows to collection dam 31 through undue bucket 2 and the Test section between the first cofferdam 3a, collect the test water that dam 31 is collected from minute bucket 2, by collection tube 32, flow to distributor disk 33, test water in distributor disk 33 flow in distributing trough 34 through a plurality of V-shaped grooves 37 disposed thereon, test water in distributing trough 34 is subject to stopping of dividing plate 35 in flow process, and by the aperture 36 being arranged on corresponding distributing trough 34 bottoms, is communicated with between each distributing trough 34.Test water is full of the collection dam 31 of the first cofferdam 3a completely, collection tube 32, distributor disk 33 and distributing trough 34 upwards flow and again after collecting dam 31, flow downward again and arrive the second cofferdam 3b along the contrary direction of the experimental water with from minute bucket 2, water is full of the collection dam 31 of the second cofferdam 3b completely, collection tube 32, the remainder that distributor disk 33 and distributing trough 34 upwards flows and again flow downward after collecting dam 31 through the dome covering of the fan 10 of Test section 1 along the contrary direction of the test water with from minute bucket 2, and then flow through the vertical wall of Test section 1, flow through an experimental water part of the second cofferdam 3b by upper collection tank 413a, and another part is collected by lower collection tank 413b.
Alternatively, on the dome covering of the fan 10 of Test section 1, be provided with at least one cofferdam 3b(and do not comprise the first cofferdam 3a), upper collection tank 413a is attached to mounting system 5 and closes at least one cofferdam 3b.Test water from minute bucket 2 flows through the Test section 1 between minute bucket 2 and at least one cofferdam 3b, test water is full of the collection dam 31 of at least one cofferdam 3b completely, collection tube 32, the remainder that distributor disk 33 and distributing trough 34 upwards flows and again flow downward after collecting dam 31 through the dome covering of the fan 10 of Test section 1 along the contrary direction of the test water with from minute bucket 2, and then flow through the vertical wall of Test section 1, the experimental water part of at least one cofferdam 3b of flowing through is collected by upper collection tank 413a, and another part test water is collected by lower collection tank 413b.
Fig. 2 shows the collection tank schematic perspective view indicating in Fig. 1 of utility model.Shown in Fig. 2, in this embodiment, upper collection tank 413a and lower collection tank 413b comprise that respectively antetheca 4130 and rear wall 4132, almost parallel that almost parallel is oppositely arranged are oppositely arranged the first side wall 4131 and the second sidepiece 4133, bottom 4134 and a plurality of partition wall 4135, a plurality of partition walls 4135 with and the mode of the first side wall 4131 and the second sidepiece 4133 almost parallels be arranged between antetheca 4130 and rear wall 4132, bottom 4134 is for sealing the end of upper collection tank 413a and lower collection tank 413b.Upper collection tank 413a is connected to mounting system 5 and in abutting connection with the second cofferdam 3b, for the test water of the second cofferdam 3b that collects to flow through.Lower collection tank 413b is arranged on the bottom of the vertical wall of Test section 1, for the test water of the Test section 1 of collecting to flow through.Collect tank 413a and be communicated with liquid-return box 415 by the first tapping line 403a and filtrator 416, lower collection tank 413b is communicated with liquid-return box 415 by the second tapping line 403b.Alternatively, the second tapping line 403b also can be provided with filtrator 416.
Fig. 5 shows the schematic diagram of joining the circuit system of test unit for the nuclear reactor safety shell moisture of Fig. 1.As shown in Figure 5, in this embodiment, test is test water with liquid.As shown in Figure 5, circuit system 4 comprises that supply line 400, adjusting pipeline 401, tapping line 403, first inject the parts that pipeline F, second injects pipeline 404 and is arranged on pipeline/branch road.The test water of being manufactured by outside water softening device is injected into liquid reserve tank 405 by the first injection pipeline F, and the test water in liquid reserve tank 405 is transported to supply line 400 by liquid-feeding pump 406 through the first switch valve 407, the first stop valve 408; Regulate pipeline 401 that variable valve 409 is installed, by regulating variable valve 409 apertures, can tentatively regulate discharge in supply line 400, by regulating frequency converter 410 to carry out secondary adjusting to the discharge of the test water of supply line 400, thereby change the confluent of liquid-feeding pump 406.Supply line 400 is divided into the first handoff leg 402a and the second handoff leg 402b along the mobile direction of test water in the downstream of flowmeter 420, the first handoff leg 402a leads to minute bucket 2 by the first switching control pilot 412, the second handoff leg 402b leads to a minute water water collector 411 by second switch operation valve 421, and then get back to liquid reserve tank 405, by the opening and closing of the first switching control pilot 412 and second switch operation valve 421, can realize the switching of the first handoff leg 402a and the second handoff leg 402b.The discharge of the test water in supply line 400 reaches after discharge desired value, test water enter minute bucket 2 so that by rectangular channel 25 overflows to Test section 1, through twice cofferdam 3a, the collection again of 3b, reallocation effect, finally conflux supreme collection tank 413a and lower collection tank 413b, the test water in upper collection tank 413a and lower collection tank 413b is sent to liquid-return box 415 by the first tapping line 403a and the second tapping line 403b and the manual ball valve 414 that is arranged on wherein; Test water in liquid-return box 415 is filtered by returning liquid pump 417 and is injected back liquid reserve tank 405 through the second stop valve 418, second switch valve 419 by filtrator 416, and the test water in liquid reserve tank 405 and liquid-return box 415 also can directly enter melt pit.Regulate pipeline 401 for supply line 400 being connected to liquid reserve tank 405 between the first switch valve 408 and flowmeter 420.In the utility model, by regulating the aperture of variable valve 409 and the frequency of adjusting frequency converter 410, and control the second handoff leg 402b opening and closing by second switch operation valve 421, can accurately control the test water that enters minute bucket 2 through the first handoff leg 402a, thereby accurately control the discharge of the test water that flows out minute bucket 2, to form fast uniform moisture film, improve moisture film coverage rate high.
Alternatively, circuit system 4 does not comprise as shown in Figure 5 manual ball valve 414, the liquid-return box 415 that is arranged on the second injection pipeline 404, filtrator 416, returns liquid pump 417, the second stop valve 418 and second switch valve 419, from the test water of upper collection tank 413a and lower collection tank 413b, can directly enter melt pit by corresponding the first tapping line 403a and the second tapping line 403b.
In this embodiment, TT&C system 6 comprises that many high-speed cameras (being arranged on (not shown) on high-speed camera stand), flowmeter, a plurality of moisture film probe, liquid level gauge, resistance and temperature take into account LOAD CELLS.LOAD CELLS is arranged in a minute bucket below, for measuring the quality of test water in minute bucket.Many high-speed cameras are arranged on high-speed camera stand, for subregion, the moisture film on Test section 1 are taken pictures, so that the image synthetic effect that test operation personnel take according to high-speed camera judgement moisture film coverage rate.Flowmeter is arranged in supply line 400, for measuring fluid flow, to guarantee to test, under stabilizing liquid flow, carries out.A plurality of non-contact capacitance moisture film probe moisture film probes are evenly distributed on the outside surface of Test section 1, for measuring water film thickness.A plurality of liquid level gauges are divided into a plurality of the first cofferdam liquid level gauges, a plurality of the second cofferdam liquid level gauge, a plurality of upper collection water level meter and a plurality of lower collection water level meter, for measuring the liquid level of regional, thus the quality of test water in measurement regional.Thermal resistance thermometer is arranged in liquid reserve tank, for measuring the temperature of liquid for liquid reserve tank test.
Fig. 6 shows according to the TT&C system frame diagram in Fig. 1 of the present utility model.As shown in Figure 6, TT&C system can be divided into host computer 652 and the first observing and controlling part and the second observing and controlling part, and the first observing and controlling partly comprises liquid level gauge, flowmeter, LOAD CELLS, thermal resistance thermometer, variable valve 409, frequency converter 410, Displaying Meter 651 and slave computer 653; The second observing and controlling partly comprises moisture film probe, high-speed camera, controller 661, computer 662, synchronizer trigger 663, trigger 664 and video acquisition industrial computer 665.As shown in Figure 6, flowmeter, liquid level gauge and thermal resistance thermometer reach slave computer 653 by cable 672,671 and 674 by data-signal respectively, and slave computer 653 reaches host computer 652 by cable 676 by data-signal.LOAD CELLS can be at Displaying Meter 651 readings by cable 673, and by cable 675, data-signal are reached to host computer 652.Host computer 652 passes through slave computer 653, cable 677 regulating and controlling valves 409 and controls frequency converters 410 by slave computer 653 and cable 678 according to the signal conjugation test water flow target value of coming self-regulating valve 409 and frequency converter 410, thus the flow of Control experiment water.Computer 662 accepts by controller 661 data that gathered by moisture film probe, and moisture film probe reaches computer 662 by cable 681, controller 661 and cable 682 by data-signal.Computer 662 triggers and many triggers 664 that high-speed camera is corresponding by synchronizer trigger 663 simultaneously, with many many high-speed cameras of the 664 synchronous triggerings of trigger separately that high-speed camera is corresponding, high-speed camera stores the image of shooting into video acquisition industrial computer 665 by cable 686, video acquisition industrial computer 665 regulates the gray scale of high-speed camera simultaneously by cable 686, the processing result image (being for example the change curve of moisture film coverage rate) that test operation personnel provide by observation video acquisition industrial computer 665 can obtain and stablize moisture film coverage rate.By cable 679 make computer 662 and host computer 652 synchronous.
In this embodiment, after on-test, regulate variable valve 409 to setting aperture, start liquid-feeding pump 406, adjust the frequency of frequency converter 410, thereby control the confluent of liquid-feeding pump 406, regulate fluid flow to fluid flow desired value, if fluid flow and fluid flow desired value error are at 0.1m
3in/h, can close second switch operation valve 421, open the first switching control pilot 412.By observing, when moisture film coverage rate reach stable after, close the first switching control pilot 412, open second switch operation valve 421, Test Data Collecting finishes, off-test.
For the utility model, in one embodiment, the initial temperature of test water is 25 degrees Celsius of normal temperature.Fig. 7 shows according to circuit system fluid flow in Fig. 1 of the present utility model and controls curve map, and the unit of horizontal ordinate time is minute that the unit of ordinate test water flow is m
3/ h, as shown in Figure 7, stability test discharge is 16.2m
3/ h.
Claims (10)
1. a circuit system (4), it comprises the first injection pipeline (F), supply line (400), regulate pipeline (401) and liquid reserve tank (405), wherein test with liquid and be injected into liquid reserve tank (405) by the first injection pipeline (F), supply line (400) is provided with liquid-feeding pump (406) and the flowmeter (420) being connected with frequency converter (410) along liquid communication direction, and supply line (400) has been divided into the first handoff leg (402a) and the second handoff leg (402b) in flowmeter (420) downstream, regulate pipeline (401) to be provided with variable valve (409), regulate pipeline (401) for supply line (400) being connected to liquid reserve tank (405) between liquid-feeding pump (406) and flowmeter (420), the first handoff leg (402a) is led to container (2) by the first switching control pilot (412), the second handoff leg (402b) is led to liquid reserve tank (405) by second switch operation valve (421), the aperture of variable valve (409) is conditioned, thereby the fluid flow to supply line (400) tentatively regulates, frequency converter (410) is conditioned, thereby control the confluent of liquid-feeding pump (406), for the fluid flow of supply line (400) is carried out to secondary adjusting, when flowmeter (420) measuring-signal shows that test is stablized with the fluid flow of liquid, close second switch operation valve, open the first switching control pilot, thereby to providing stabilizing liquid flow to container (2).
2. circuit system according to claim 1 (4), is characterized in that, while not needing container (2) that stabilizing liquid flow is provided, opens second switch operation valve and closes the first switching control pilot.
3. circuit system according to claim 1 (4), it is characterized in that, at supply line (400), above between liquid-feeding pump (406) and flowmeter (420), along test, with the flow direction of liquid, be provided with the first stop valve (407) and the first switch valve (408), be used for controlling the opening and closing of supply line (400), regulate pipeline (401) for supply line (400) being connected to liquid reserve tank (405) between the first switch valve (408) and flowmeter (420).
4. circuit system according to claim 3 (4), it is characterized in that, circuit system (4) also comprises liquid-return box (415), second injects pipeline (404) and is arranged on time liquid pump (417) on the second injection pipeline (404), the second stop valve (418) and second switch valve (419), second injects pipeline (404) for liquid-return box (415) is connected to liquid reserve tank (405), test from container (2) is transported to liquid-return box (415) with liquid by tapping line, test in liquid-return box is injected pipeline (404) and time liquid pump (417) disposed thereon with liquid and then by second, the second stop valve (418) and second switch valve (419) are transported to liquid reserve tank (405), so that cyclically to container (2) supply test liquid.
5. circuit system according to claim 4 (4), is characterized in that, tapping line is provided with manual ball valve, for controlling the opening and closing of tapping line.
6. according to circuit system claimed in claim 4 (4), it is characterized in that, test is water with liquid.
7. according to circuit system claimed in claim 4 (4), it is characterized in that, on the second injection pipeline (404), be provided with filtrator (416).
8. a nuclear reactor safety shell moisture is joined test unit, it comprises Test section (1), divide bucket (2), cofferdam, mounting system (5), upper collection tank (413a) and lower collection tank (413b), wherein divide bucket (2) to be arranged on the top of Test section (1), cofferdam is arranged on the outside surface of Test section (1), upper collection tank (413a) is attached to mounting system (5) and closes on cofferdam, lower collection tank (413b) is arranged on the bottom of Test section (1), wherein nuclear reactor safety shell moisture is joined test unit and is also comprised according to the circuit system (4) described in any one in claim 1-7, circuit system (4) is for being transported to test water in a minute bucket (2), minute bucket (2) test water is transported to Test section (1) and the cofferdam of flowing through by upper collection tank (413a) and lower collection tank (413b) collection, when flowmeter (420) measuring-signal shows that the discharge of test water is stablized, close second switch operation valve, open the first switching control pilot, thereby provide stationary flow amount to a minute bucket (2).
9. nuclear reactor safety shell moisture according to claim 8 is joined test unit, it is characterized in that, Test section (1) comprises dome covering of the fan (10) and vertical curved wall (11), the covering of the fan that dome covering of the fan (10) is 1/8, the crooked cylinder that vertically curved wall (11) is 1/16, on the dome covering of the fan (10) of Test section (1), be provided with at least one cofferdam, upper collection tank (413a) is attached to mounting system (5) and closes at least one cofferdam.
10. nuclear reactor safety shell moisture according to claim 8 is joined test unit, it is characterized in that, the test water that upper collection tank (413a) and lower collection tank (413b) are collected is returned the liquid-return box (415) of circuit system (4) by first row water pipeline and second row water pipe respectively by pumping, first row water pipeline and second row water pipe are respectively arranged with manual ball valve, for controlling the opening and closing of first row water pipeline and second row water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467746.9U CN204029400U (en) | 2014-08-19 | 2014-08-19 | Circuit system and comprise that its nuclear reactor safety shell moisture joins test unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467746.9U CN204029400U (en) | 2014-08-19 | 2014-08-19 | Circuit system and comprise that its nuclear reactor safety shell moisture joins test unit |
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| Publication Number | Publication Date |
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| CN204029400U true CN204029400U (en) | 2014-12-17 |
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| CN201420467746.9U Expired - Fee Related CN204029400U (en) | 2014-08-19 | 2014-08-19 | Circuit system and comprise that its nuclear reactor safety shell moisture joins test unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303243A (en) * | 2018-01-31 | 2018-07-20 | 嘉兴林众电子科技有限公司 | Micro pump flow testing system |
| CN113777016A (en) * | 2021-08-18 | 2021-12-10 | 上海核工程研究设计院有限公司 | Scouring test system for containment external coating |
| CN114199874A (en) * | 2016-06-06 | 2022-03-18 | 国核华清（北京）核电技术研发中心有限公司 | Real-time coverage rate measuring system and method based on video processing technology |
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2014
- 2014-08-19 CN CN201420467746.9U patent/CN204029400U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114199874A (en) * | 2016-06-06 | 2022-03-18 | 国核华清（北京）核电技术研发中心有限公司 | Real-time coverage rate measuring system and method based on video processing technology |
| CN108303243A (en) * | 2018-01-31 | 2018-07-20 | 嘉兴林众电子科技有限公司 | Micro pump flow testing system |
| CN113777016A (en) * | 2021-08-18 | 2021-12-10 | 上海核工程研究设计院有限公司 | Scouring test system for containment external coating |
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Granted publication date: 20141217 Termination date: 20190819 |