CN219828562U - Nuclear power station is charge device for return circuit - Google Patents
Nuclear power station is charge device for return circuit Download PDFInfo
- Publication number
- CN219828562U CN219828562U CN202321019294.3U CN202321019294U CN219828562U CN 219828562 U CN219828562 U CN 219828562U CN 202321019294 U CN202321019294 U CN 202321019294U CN 219828562 U CN219828562 U CN 219828562U
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- medicine
- dosing
- delivery pipe
- liquid
- tank
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- 239000003814 drug Substances 0.000 claims abstract description 92
- 239000007788 liquid Substances 0.000 claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 238000012377 drug delivery Methods 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 20
- 238000012544 monitoring process Methods 0.000 claims description 17
- 238000011010 flushing procedure Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 229940079593 drug Drugs 0.000 description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- GUTLYIVDDKVIGB-BJUDXGSMSA-N cobalt-58 Chemical compound [58Co] GUTLYIVDDKVIGB-BJUDXGSMSA-N 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
Landscapes
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model discloses a dosing device for a loop of a nuclear power station, which relates to the technical field of safety of the nuclear power station and comprises a dosing tank, a first dosing pipe, a dosing pump and a second dosing pipe, wherein the inlet end of the first dosing pipe is fixedly connected and communicated with the dosing tank, the outlet end of the first dosing pipe is fixedly connected and communicated with a liquid inlet of the dosing pump, the inlet end of the second dosing pipe is fixedly connected and communicated with a liquid outlet of the dosing pump, and the outlet end of the second dosing pipe is fixedly connected and communicated with the loop; the back pressure valve is connected to the second medicine conveying pipe, the first pulse damper is connected to the second medicine conveying pipe and can absorb pulses of liquid medicine flowing in the second medicine conveying pipe, and the first pulse damper is arranged between the medicine adding pump and the back pressure valve.
Description
Technical Field
The utility model relates to the technical field of nuclear power station safety, in particular to a dosing device for a primary loop of a nuclear power station.
Background
During the operation of a nuclear power station, nuclear radiation is continuously generated, and the risk of damaging the health of the staff and surrounding masses of the nuclear power station exists.
Cobalt 60 and cobalt 58 are the primary radionuclides of a pressurized water reactor nuclear power plant loop, and are typically activated by certain nuclides in the system equipment material of the loop. The technology of loop zinc injection is an important means for inhibiting nuclear radiation, specifically, zinc and cobalt are in the same family, zinc can replace cobalt element in oxide sharp crystals deposited by corrosion on the metal surface, meanwhile, the cobalt 60 and cobalt 58 are inhibited from depositing on the surface of a loop material, and the replaced cobalt element is intercepted by a purifying system, so that the deposition of the cobalt 60 and cobalt 58 on the surface of the loop material is reduced, and the nuclear radiation level is reduced.
In chinese patent CN217333647U, a zinc adding device for a loop system of a pressurized water reactor nuclear power plant is disclosed, which is configured with a shut-off valve, a regulating valve and a check valve between a zinc solution storage device and a pump body and a main loop of a loop to control and regulate the flow rate of the zinc solution supplied to the loop by the zinc solution storage device, however, there is a risk of water hammer caused by abrupt change of fluid velocity during the processes of pump opening, pump stopping, valve opening, valve closing or pump pressing, resulting in shortened service life of the device, and even may impact on the stable state inside the loop.
Disclosure of Invention
The utility model aims to provide a dosing device for a primary loop of a nuclear power station, which solves the problems in the prior art, can effectively prolong the service life and improve the stability of liquid supply to the primary loop.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a dosing device for a loop of a nuclear power station, which comprises a dosing tank, a first dosing pipe, a dosing pump and a second dosing pipe, wherein the dosing tank is used for containing liquid medicine, the inlet end of the first dosing pipe is fixedly connected and communicated with the dosing tank, the outlet end of the first dosing pipe is fixedly connected and communicated with a liquid inlet of the dosing pump, the inlet end of the second dosing pipe is fixedly connected and communicated with a liquid outlet of the dosing pump, and the outlet end of the second dosing pipe is fixedly connected and communicated with a loop; the second medicine delivery pipe is connected with a back pressure valve, the second medicine delivery pipe is connected with a first pulse damper, the first pulse damper can absorb pulses of liquid medicine flowing in the second medicine delivery pipe, and the first pulse damper is arranged between the medicine adding pump and the back pressure valve.
Preferably, the first drug delivery tube is connected with a second pulse damper, the second pulse damper can absorb pulses of the drug liquid flowing in the first drug delivery tube, and the second pulse damper is arranged between the drug adding tank and the drug adding pump.
Preferably, the first medicine delivery pipe is connected with a flow calibration column, and the flow calibration column can measure the flow of the medicine liquid in the first medicine delivery pipe.
Preferably, a filter is connected to the first drug delivery tube, and the filter can filter solid impurities in the liquid medicine in the first drug delivery tube.
Preferably, the second medicine delivery pipe is connected with a pressure gauge, the pressure gauge can detect the pressure of the medicine liquid in the second medicine delivery pipe, and the pressure gauge is arranged between the medicine adding pump and the first pulse damper.
Preferably, the device further comprises a flushing tank and a first water conveying pipe, wherein the flushing tank is used for containing desalted water, the water inlet end of the first water conveying pipe is used for being fixedly connected and communicated with the flushing tank, the water outlet end of the first water conveying pipe is used for being fixedly connected and communicated with the first medicine conveying pipe, and the water outlet end of the first water conveying pipe is used for being arranged between the medicine adding tank and the medicine adding pump.
Preferably, the liquid level monitoring device further comprises a liquid level monitoring unit, wherein the liquid level monitoring unit is used for being connected to the dosing tank, and the liquid level monitoring unit can monitor the liquid level position in the dosing tank.
Preferably, the system further comprises a controller and an alarm unit, wherein the alarm unit can send out an alarm; the controller is used for being in communication connection with the liquid level monitoring unit, the dosing pump and the alarm unit, the controller can receive liquid level position information monitored by the liquid level monitoring unit, the controller can control the dosing pump to run or stop, and the controller can control the alarm unit to send out an alarm.
Preferably, a dosing port and a water adding port are formed in the side wall of the dosing tank, the dosing port can provide a channel for externally throwing a medicament into the dosing tank, and the water adding port can provide a channel for externally supplementing desalted water into the dosing tank; the stirring blade is arranged in the dosing tank, the driving device is connected to the dosing tank, and the driving device is used for being in transmission connection with the stirring blade and capable of driving the stirring blade to rotate.
Preferably, the second medicine delivery pipe is connected with a mass flowmeter, and the mass flowmeter can detect the mass flow rate of the medicine liquid at the outlet end of the second medicine delivery pipe.
Compared with the prior art, the utility model has the following technical effects:
according to the chemical feeding device for the loop of the nuclear power station, the back pressure valve is arranged on the second chemical conveying pipe, the chemical liquid pressure at the outlet end of the second chemical conveying pipe is maintained to be in a stable state through the back pressure valve, the first pulse damper is arranged on the second chemical conveying pipe, the first pulse damper absorbs the pulse of the chemical liquid flowing in the second chemical conveying pipe, and the first pulse damper is matched with the back pressure valve for use, so that the risk of water hammer caused by abrupt change of fluid speed in the processes of pump opening, pump stopping, valve opening, valve closing or pump opening can be effectively reduced, the service life of the device can be effectively prolonged, and the stability of liquid supply to the loop can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a chemical dosing device for a primary loop of a nuclear power station.
In the figure: 1-dosing tank, 2-first delivery pipe, 3-dosing pump, 4-second delivery pipe, 5-backpressure valve, 6-first pulse damper, 7-second pulse damper, 8-flow calibration column, 9-filter, 10-manometer, 11-flushing tank, 12-first raceway, 13-liquid level monitoring unit, 14-dosing mouth, 15-water inlet, 16-drive unit, 17-stirring blade, 18-mass flowmeter, 19-relief valve, 20-valve, 21-water supply unit.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a dosing device for a primary loop of a nuclear power station, which solves the problems in the prior art, can effectively prolong the service life and improve the stability of liquid supply to the primary loop.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1, the utility model provides a dosing device for a loop of a nuclear power station, which comprises a dosing tank 1, a first drug delivery pipe 2, a dosing pump 3 and a second drug delivery pipe 4, wherein the dosing tank 1 is used for containing liquid medicine, the inlet end of the first drug delivery pipe 2 is fixedly connected and communicated with the dosing tank 1, the outlet end of the first drug delivery pipe 2 is fixedly connected and communicated with the liquid inlet of the dosing pump 3, the inlet end of the second drug delivery pipe 4 is fixedly connected and communicated with the liquid outlet of the dosing pump 3, and the outlet end of the second drug delivery pipe 4 is fixedly connected and communicated with the loop; the second medicine delivery pipe 4 is connected with a back pressure valve 5, the back pressure valve 5 can maintain the medicine liquid pressure of the outlet end of the second medicine delivery pipe 4 to be in a stable state, the second medicine delivery pipe 4 is connected with a first pulse damper 6, the first pulse damper 6 can absorb the pulse of the medicine liquid flowing in the second medicine delivery pipe 4, and the first pulse damper 6 is used for being arranged between the medicine adding pump 3 and the back pressure valve 5.
The chemical adding device for the first loop of the nuclear power station is particularly suitable for adding zinc acetate solution into the first loop, the back pressure valve 5 is arranged on the second chemical conveying pipe 4, the pressure of liquid medicine at the outlet end of the second chemical conveying pipe 4 is maintained in a stable state through the back pressure valve 5, the first pulse damper 6 is arranged on the second chemical conveying pipe 4, the first pulse damper 6 absorbs the pulse of the liquid medicine flowing in the second chemical conveying pipe 4, and the first pulse damper 6 is matched with the back pressure valve 5 for use, so that the risk of water hammer caused by abrupt change of fluid speed in the processes of pump opening, pump stopping, valve opening, valve closing or pump pressurizing can be effectively reduced, the service life of the device can be effectively prolonged, and the stability of liquid supply to the first loop can be improved; it should be noted that, in practical application, the valve 20 may be set at a proper position in combination with a specific control requirement to realize timely liquid medicine flow adjustment, water replenishment, air exhaust or sewage drainage, etc., the number of the two drug adding pumps 3 may be set to two, the two drug adding pumps 3 are connected in parallel between the first drug delivery pipe 2 and the second drug delivery pipe 4, in the actual use process, the two drug adding pumps 3 alternately and alternately pump the drug in the first drug delivery pipe 2 into the second drug delivery pipe 4, so as to effectively avoid fatigue damage caused by long-time continuous use of one of the drug adding pumps 3, and when one of the drug adding pumps 3 fails, the other drug adding pump 3 can still complete liquid pumping operation; as a preferred implementation manner of this embodiment, the dosing pump 3 adopts a metering pump, and can simultaneously complete the functions of conveying, metering and adjusting, thereby simplifying the production process flow.
Further, be connected with second pulse damper 7 on the first delivery pipe 2, second pulse damper 7 can absorb the pulse of the liquid medicine that flows in the first delivery pipe 2, and second pulse damper 7 is used for arranging in between dosing tank 1 and the charge pump 3, can avoid the liquid medicine to strike and cause first delivery pipe 2 and charge pump 3 to damage effectively.
Further, the first medicine delivery pipe 2 is connected with a flow calibration column 8, and the flow calibration column 8 can measure the flow of the medicine liquid in the first medicine delivery pipe 2 and can effectively calibrate the operation of the medicine adding pump 3.
Further, the first medicine conveying pipe 2 is connected with the filter 9, and the filter 9 can filter solid impurities in the medicine liquid in the first medicine conveying pipe 2 and can effectively prevent the damage of the solid impurities to the medicine adding pump 3; as a preferable implementation manner of the embodiment, the filter 9 is a Y-shaped filter 9, and has the characteristics of small resistance, convenient pollution discharge and the like, and in the embodiment, the model of the Y-shaped filter 9 is specifically selected to be SCYG-DN15.
Further, be connected with manometer 10 on the second delivery pipe 4, manometer 10 can detect the pressure of the interior liquid medicine of second delivery pipe 4, manometer 10 is used for arranging in between charge pump 3 and the first pulse damper 6, be connected with back flow cooperation manometer 10 on the preferential charge pump 3 and use, and the one end of back flow is connected at the liquid outlet of charge pump 3, the other end is connected on the pipeline in charge pump 3 the place ahead, and set up relief valve 19 on the back flow, be the passageway in the back flow when the relief valve 19 is opened, be the circuit in the back flow when the relief valve 19 is closed, can monitor the pressure of liquid medicine in real time through manometer 10, whether the back passageway of charge pump 3 has the jam condition, if pressure exceeds backpressure valve 5 setting pressure, indicate that the back passageway of charge pump 3 has the jam condition, the pressure in the pipeline constantly rises this moment, until the pressure reaches relief valve 19 setting pressure, relief valve 19 opens and the backward flow is in the return circuit of relief valve 19 intercommunication at this moment, avoid causing the system to put down to the pressure.
Furthermore, the dosing device for the primary loop of the nuclear power station provided by the utility model further comprises a flushing tank 11 and a first water delivery pipe 12, wherein the flushing tank 11 is used for containing desalted water, the water inlet end of the first water delivery pipe 12 is fixedly connected and communicated with the flushing tank 11, the water outlet end of the first water delivery pipe 12 is fixedly connected and communicated with the first drug delivery pipe 2, and the water outlet end of the first water delivery pipe 12 is arranged between the dosing tank 1 and the dosing pump 3 so as to facilitate flushing of the whole pipeline system before and after formal dosing.
Furthermore, the dosing device for the primary loop of the nuclear power station provided by the utility model further comprises a liquid level monitoring unit 13, wherein the liquid level monitoring unit 13 is used for being connected to the dosing tank 1, the liquid level monitoring unit 13 can monitor the liquid level position in the dosing tank 1, the liquid medicine storage condition in the dosing tank 1 can be conveniently observed, and as a preferable implementation mode of the embodiment, the liquid level monitoring unit 13 adopts a magnetic flap liquid level meter, the display is visual and striking, and the measurement range is large.
Furthermore, the dosing device for the primary loop of the nuclear power station provided by the utility model further comprises a controller and an alarm unit, wherein the alarm unit can send out an alarm; the controller is used for being in communication connection with the liquid level monitoring unit 13, the dosing pump 3 and the alarm unit, and the controller can receive the liquid level position information that the liquid level monitoring unit 13 monitored, and the controller can control the dosing pump 3 to operate or stop, and the controller can control the alarm unit to send out the alarm, and when the controller discerns that the liquid level position is less than the default, the control dosing pump 3 stops working promptly, and the alarm unit is simultaneously controlled to send out the alarm to remind the operating personnel to take counter measures in time, and specifically, the alarm form of alarm unit can be sound, light or sound and light mixed form etc..
Further, a dosing port 14 and a dosing port 15 are formed in the side wall of the dosing tank 1, the dosing port 14 can provide a channel for externally throwing a medicament into the dosing tank 1, and the dosing port 15 can provide a channel for externally supplementing desalted water into the dosing tank 1; the dosing tank 1 is internally provided with a stirring blade 17, the dosing tank 1 is connected with a driving device 16, the driving device 16 is in transmission connection with the stirring blade 17 and can drive the stirring blade 17 to rotate, so that the dosing tank 1 has the functions of storing and dispensing liquid, no special liquid dispensing equipment is needed for dispensing the liquid, in the embodiment, the dosing tank further comprises a water supply device 21, the water supply device 21 is communicated with the water inlet 15 and can supply desalted water into the dosing tank 1, and the water supply device 21 can be communicated with the flushing tank 11 so as to supplement desalted water into the flushing tank 11; as a preferred implementation of this embodiment, a filter screen is further connected to the dosing port 14 to perform preliminary filtration of the medicament entering the dosing tank 1.
Further, the second drug delivery tube 4 is connected with a mass flowmeter 18, and the mass flowmeter 18 can detect the mass flow rate of the liquid medicine at the outlet end of the second drug delivery tube 4, so as to realize the measurement of the adding amount of the liquid medicine in the first loop.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (10)
1. A nuclear power station is charge device for return circuit, its characterized in that: the device comprises a dosing tank, a first drug delivery pipe, a dosing pump and a second drug delivery pipe, wherein the dosing tank is used for containing liquid medicine, the inlet end of the first drug delivery pipe is fixedly connected and communicated with the dosing tank, the outlet end of the first drug delivery pipe is fixedly connected and communicated with the liquid inlet of the dosing pump, the inlet end of the second drug delivery pipe is fixedly connected and communicated with the liquid outlet of the dosing pump, and the outlet end of the second drug delivery pipe is fixedly connected and communicated with a loop; the second medicine delivery pipe is connected with a back pressure valve, the second medicine delivery pipe is connected with a first pulse damper, the first pulse damper can absorb pulses of liquid medicine flowing in the second medicine delivery pipe, and the first pulse damper is arranged between the medicine adding pump and the back pressure valve.
2. The primary loop chemical dosing apparatus for a nuclear power plant as recited in claim 1, wherein: the first medicine delivery pipe is connected with a second pulse damper, the second pulse damper can absorb pulses of medicine liquid flowing in the first medicine delivery pipe, and the second pulse damper is arranged between the medicine adding tank and the medicine adding pump.
3. A nuclear power plant primary loop dosing device as claimed in claim 2, wherein: the first medicine conveying pipe is connected with a flow calibration column, and the flow calibration column can measure the flow of the medicine liquid in the first medicine conveying pipe.
4. A nuclear power plant primary loop dosing device as claimed in claim 3, wherein: the first medicine conveying pipe is connected with a filter, and the filter can filter solid impurities in the medicine liquid in the first medicine conveying pipe.
5. The primary loop chemical dosing apparatus for a nuclear power plant as recited in claim 1, wherein: the second medicine delivery pipe is connected with a pressure gauge, the pressure gauge can detect the pressure of the medicine liquid in the second medicine delivery pipe, and the pressure gauge is arranged between the medicine adding pump and the first pulse damper.
6. The primary loop chemical dosing apparatus for a nuclear power plant as recited in claim 1, wherein: the automatic feeding device is characterized by further comprising a flushing tank and a first water conveying pipe, wherein the flushing tank is used for containing desalted water, the water inlet end of the first water conveying pipe is used for being fixedly connected and communicated with the flushing tank, the water outlet end of the first water conveying pipe is used for being fixedly connected and communicated with the first medicine conveying pipe, and the water outlet end of the first water conveying pipe is used for being arranged between the medicine adding tank and the medicine adding pump.
7. The primary loop chemical dosing apparatus for a nuclear power plant as recited in claim 1, wherein: still include the liquid level monitoring unit, the liquid level monitoring unit be used for connect in on the dosing tank, just the liquid level monitoring unit can monitor liquid level position in the dosing tank.
8. The nuclear power plant primary loop chemical dosing apparatus of claim 7, wherein: the system also comprises a controller and an alarm unit, wherein the alarm unit can send out an alarm; the controller is used for being in communication connection with the liquid level monitoring unit, the dosing pump and the alarm unit, the controller can receive liquid level position information monitored by the liquid level monitoring unit, the controller can control the dosing pump to run or stop, and the controller can control the alarm unit to send out an alarm.
9. The primary loop chemical dosing apparatus for a nuclear power plant as recited in claim 1, wherein: the side wall of the dosing tank is provided with a dosing port and a water adding port, the dosing port can provide a channel for putting a medicament into the dosing tank from outside, and the water adding port can provide a channel for supplementing desalted water into the dosing tank from outside; the stirring blade is arranged in the dosing tank, the driving device is connected to the dosing tank, and the driving device is used for being in transmission connection with the stirring blade and capable of driving the stirring blade to rotate.
10. The primary loop chemical dosing apparatus for a nuclear power plant as recited in claim 1, wherein: the second medicine conveying pipe is connected with a mass flowmeter, and the mass flowmeter can detect the mass flow of the liquid medicine at the outlet end of the second medicine conveying pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321019294.3U CN219828562U (en) | 2023-04-27 | 2023-04-27 | Nuclear power station is charge device for return circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321019294.3U CN219828562U (en) | 2023-04-27 | 2023-04-27 | Nuclear power station is charge device for return circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219828562U true CN219828562U (en) | 2023-10-13 |
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ID=88250932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321019294.3U Active CN219828562U (en) | 2023-04-27 | 2023-04-27 | Nuclear power station is charge device for return circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219828562U (en) |
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2023
- 2023-04-27 CN CN202321019294.3U patent/CN219828562U/en active Active
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