CN107879126A - The automatic assembling and disassembling system and method for Geldart-D particle radioactivity resin - Google Patents
The automatic assembling and disassembling system and method for Geldart-D particle radioactivity resin Download PDFInfo
- Publication number
- CN107879126A CN107879126A CN201711008422.3A CN201711008422A CN107879126A CN 107879126 A CN107879126 A CN 107879126A CN 201711008422 A CN201711008422 A CN 201711008422A CN 107879126 A CN107879126 A CN 107879126A
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- resin
- isolating valve
- compressed air
- spent
- process liquor
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/06—Gas pressure systems operating without fluidisation of the materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/042—Granular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of automatic assembling and disassembling system of Geldart-D particle radioactivity resin, it is related to radioactivity resin handling art.The system includes resin bed, spent resin transhipment tank, process liquor supply system and resin supply system, the top of the resin bed is provided with resin inlet, process liquor import, the bottom of the resin bed is provided with spent resin outlet and process liquor outlet, the handling system also includes compressed air supply system, and waste gas outlet is additionally provided with resin bed；The compressed air supply system by two-way compressed-air line respectively with resin inlet and process liquor outlet, the compressed-air line connected with resin inlet is provided with the first compressed air isolating valve, and the second compressed air isolating valve is provided with the compressed-air line of process liquor outlet.The present invention being capable of fast and effective unloading radioactivity resin.
Description
Technical field
The present invention relates to radioactivity resin handling art, is specifically related to a kind of automatic dress of Geldart-D particle radioactivity resin
Unloading system and method.
Background technology
At present, the conveying of nuclear power station ion exchange resin and the general method for using sluicing of handling, sluicing side
Formula water consumption is big and produces more radioactive wastewaters again.Circulating pump is must be equipped with if recycling water, causes equipment to be thrown
The pollutant contamination circulating pump in excessive and radioactivity resin is provided, introduces new radioactive pollutant.A kind of patent of invention " nuclear power
Stand resin transfer equipment " (application number：CN201310198915.3 in), negative-pressure ward resin is produced using vacuum plant, reduced
The contamination of resin transhipment.But vacuum plant and specialized transport tank need to be configured, and negative pressure can not play a part of mixing resin, resin
It is too low excessively slow to unload extracting rate, at present there is no method to be applied to radioactivity resin container handling art.Patent of invention is " for nuclear power station with gas
Body is the resin handling system of transmission medium " (application number：201410081680.4) by gas enter bottom at the top of the resin bed
The mode gone out changes resin, but due to the single and Biased flow phenomenon of gas flow, causes discharge port surrounding to remain a large amount of back tapers
Particle, mixed bed discharging will thoroughly not cause a series of adverse consequences such as variation that purify water.Therefore, it is badly in need of a kind of fast and effective
Unload the automatic assembling and disassembling system of radioactivity resin.
The content of the invention
The invention aims to overcome the shortcomings of above-mentioned background technology, there is provided a kind of Geldart-D particle radioactivity resin
Automatic assembling and disassembling system and method, being capable of fast and effective unloading radioactivity resin.
The present invention provides a kind of automatic assembling and disassembling system of Geldart-D particle radioactivity resin, including the transhipment of resin bed, spent resin
Tank, process liquor supply system and resin supply system, the top of the resin bed is provided with resin inlet, process liquor import, described
The bottom of resin bed is provided with spent resin outlet and process liquor outlet, and the handling system also includes compressed air supply system, sets
Waste gas outlet is additionally provided with fat bed；
The compressed air supply system is connected with resin inlet and process liquor outlet respectively by two-way compressed-air line
Logical, the compressed-air line connected with resin inlet is provided with the first compressed air isolating valve, the pressure with process liquor outlet
Contracting air line is provided with the second compressed air isolating valve；
The resin supply system is loaded pipeline by resin and connected with resin inlet, and the resin filling pipeline is provided with
Resin isolating valve；The process liquor supply system passes through process liquor inflow line and process liquor inlet communication, the process streams
Enter pipeline and be provided with the first process liquor isolating valve；The spent resin transhipment tank is connected by spent resin discharging pipeline and spent resin outlet
Logical, the spent resin discharging pipeline is provided with spent resin isolating valve；The waste gas outlet is transported by exhaust line and spent resin
Tank connects, and the exhaust line is provided with the first waste gas isolating valve.
On the basis of above-mentioned technical proposal, the handling system also includes desalination water supply system, and the demineralized water supplies
System is answered to be connected by desalination water pipeline with the top of resin bed, the desalination water pipeline is provided with desalination water isolation valve.
On the basis of above-mentioned technical proposal, the process liquor inlet communication at the top of the desalination water pipeline and resin bed.
On the basis of above-mentioned technical proposal, the handling system also includes exhaust treatment system, the exhaust-gas treatment system
System is transported tank with spent resin by waste line and connected, and the waste line is provided with the second waste gas isolating valve.
On the basis of above-mentioned technical proposal, the handling system also includes process liquor discharge system, process liquor discharge system
System goes out pipeline and process liquor outlet by process streams, and the process streams go out pipeline and isolated provided with the second process liquor
Valve.
On the basis of above-mentioned technical proposal, the second compressed air isolating valve is provided with impulse generator.
On the basis of above-mentioned technical proposal, the spent resin discharging pipeline, which is provided with, to be used to monitor spent resin discharging situation
Photoelectric sensor.
The present invention also provides a kind of automatic loading and unloading method of the Geldart-D particle radioactivity resin based on said system, this method
Loaded including spent resin discharging and new resin；
The spent resin discharging comprises the following steps：
The first process liquor isolating valve is closed, opens the second compressed air isolating valve and the first waste gas isolating valve, compressed air
Compressed air in supply system enters in resin bed from the process liquor outlet of the bottom of resin bed, blows the useless tree in pine resin bed
Fat, while the waste gas in resin bed enters spent resin transhipment tank through waste gas outlet；
The first waste gas isolating valve is closed, opens the first compressed air isolating valve and spent resin isolating valve, compressed air supply
Compressed air in system enters in resin bed from the resin inlet at the top of resin bed, resin is relied on gravity and compressed air
Pressure from spent resin outlet draw off；
The new resin, which loads, to be comprised the following steps：
The second compressed air isolating valve and spent resin isolating valve are closed, opens resin isolating valve, the isolation of the first compressed air
Valve and the first waste gas isolating valve, new resin in resin supply system by resin deadweight and compressed air agitation realize resin from
Resin inlet is quickly filled into resin bed.
On the basis of above-mentioned technical proposal, the handling method also includes resin bed and rinsed, and handling system also includes removing
Salt water supply system, desalination water supply system are connected by desalination water pipeline with the top of resin bed, on the desalination water pipeline
Provided with desalination water isolation valve；When resin bed needs to rinse, desalination water isolation valve is opened, the demineralized water in desalination water supply system
Access in resin bed, rinse resin bed.
On the basis of above-mentioned technical proposal, after the new resin loads, also comprise the following steps：It is empty to close the first compression
Gas isolating valve, the second compressed air isolating valve is opened, the bottom access compressed air of resin bed, it is standby to mix new resin.
Compared with prior art, advantages of the present invention is as follows：
(1) compressed air supply system of the invention passes through the two-way compressed-air line top and bottom with resin bed respectively
Portion connects, and bottom inflow is easy to loose spent resin, and top air inlet causes resin in the dual of self gravitation and compressed air pressure
Drawn off under effect, so as to realize fast and effective unloading resin.
(2) air isolation valve of control resin bed bottom inflow of the invention is provided with impulse generator, can be with certain
Frequency blow pine resin, by discharging latter stage spent resin export periphery residual resin blow into spent resin outlet, make discharging thoroughly simultaneously
Totally, so ensure resin bed next cycle using effect.
(3) present invention accelerates loaded resin using compressed air assisted gravity, after the filling of new resin, the bottom of resin bed
Portion's air inlet, new resin is mixed, so as to which the function of resin adsorption and filtering technique liquid be better achieved.
(4) spent resin discharging pipeline of the invention is provided with photoelectric sensor, can monitor spent resin discharging situation, accurately
Judge discharging terminal.
Brief description of the drawings
Fig. 1 is the structural representation of the automatic assembling and disassembling system of Geldart-D particle radioactivity resin of the embodiment of the present invention.
Reference：1- resin beds, 101- resin inlets, the outlet of 102- spent resins, 103- waste gas outlets, 104- process liquors
Import, the outlet of 105- process liquors, 2- spent resins transhipment tank, 3- compressed air supply systems, 4- process liquors supply system, 5- resins
Supply system, 6- process liquors discharge system, 7- exhaust treatment systems, 8- desalinations water supply system, 9- impulse generators, 10- light
Electric transducer, the first compressed airs of 11- isolating valve, the second compressed airs of 12- isolating valve, the first process liquors of 13- isolating valve, 14-
Second process liquor isolating valve, 15- desalinations water isolation valve, 16- resins isolating valve, 17- spent resins isolating valve, the waste gas of 18- first every
From valve, 19- the second waste gas isolating valves.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
Shown in Figure 1, the embodiment of the present invention provides a kind of automatic assembling and disassembling system of Geldart-D particle radioactivity resin, including
Resin bed 1, spent resin transhipment tank 2, compressed air supply system 3, process liquor supply system 4, resin supply system 5, process liquor
Discharge system 6, exhaust treatment system 7 and desalination water supply system 8, the top of resin bed 1 are provided with resin inlet 101, process liquor
Import 104 and waste gas outlet 103, the bottom of resin bed 1 are provided with spent resin outlet 102 and process liquor outlet 105；
Compressed air supply system 3 exports 105 with resin inlet 101 and process liquor respectively by two-way compressed-air line
Connection, the compressed-air line connected with resin inlet 101 are provided with the first compressed air isolating valve 11, are exported with process liquor
The compressed-air line of 105 connections is provided with the second compressed air isolating valve 12；Resin supply system 5 loads pipeline by resin
Connected with resin inlet 101, resin filling pipeline is provided with resin isolating valve 16；Process liquor supply system 4 passes through process streams
Enter pipeline to connect with process liquor import 104, process liquor inflow line is provided with the first process liquor isolating valve 13；Spent resin transports tank
2 are connected by spent resin discharging pipeline with spent resin outlet 102, and spent resin discharging pipeline is provided with spent resin isolating valve 17；It is useless
Gas outlet 103 is transported tank 2 with spent resin by exhaust line and connected, and exhaust line is provided with the first waste gas isolating valve 18；Desalination
Water supply system 8 is connected by desalination water pipeline with the process liquor import 104 at the top of resin bed 1, and desalination water pipeline is provided with
Desalination water isolation valve 15；Exhaust treatment system 7 is transported tank 2 by waste line and spent resin and connected, and waste line is provided with the
Two waste gas isolating valves 19；Process liquor discharge system 6 goes out pipeline by process streams and connected with process liquor outlet 105, process streams
Go out pipeline and be provided with the second process liquor isolating valve 14.
In the present embodiment, the second compressed air isolating valve 12 is provided with impulse generator 9, can be blown with certain frequency
Pine resin, resin is mixed so as to more effectively realize.Spent resin discharging pipeline is provided with photoelectric sensor 10, can monitor useless tree
Fat discharging situation, so as to accurate judgement discharging terminal.The isolating valve of the present invention uses electrical ball valve, ensures Multi Loading and Unloading Functions by screen
The control cabinet outside wall is covered to control, and control operation personnel are by irradiation dose, so as to ensure the health of operating personnel.
The embodiment of the present invention also provides a kind of automatic loading and unloading method of the Geldart-D particle radioactivity resin based on said system,
Loaded including spent resin discharging, new resin and resin bed (1) rinses；
Spent resin discharging comprises the following steps：
The first process liquor isolating valve 13 is closed, opens the second compressed air isolating valve 12 and the first waste gas isolating valve 18, pressure
Compressed air in contracting air supply system 3 enters in resin bed 1 from the process liquor outlet 105 of the bottom of resin bed 1, blows pine tree
Spent resin in fat bed 1, while the waste gas in resin bed 1 enters spent resin transhipment tank 2 through waste gas outlet 103；
The first waste gas isolating valve 18 is closed, opens the first compressed air isolating valve 11 and spent resin isolating valve 17, compression is empty
Compressed air in gas supply system 3 enters in resin bed 1 from the resin inlet 101 at the top of resin bed 1, makes resin by weight
The pressure of power and compressed air is drawn off from spent resin outlet 102；
Wherein, when needing new resin to load after spent resin discharging, handling system increase desalination water supply system 8, desalination
Water supply system 8 is connected by desalination water pipeline with the top of resin bed 1, and desalination water pipeline is provided with desalination water isolation valve 15；
After spent resin discharging, desalination water isolation valve 15 is opened, in the demineralized water access resin bed 1 in desalination water supply system 8, rinse tree
Fat bed 1.
New resin, which loads, to be comprised the following steps：
The second compressed air isolating valve 12 and spent resin isolating valve 17 are closed, resin isolating valve 16, first is opened and compresses sky
The waste gas isolating valve 18 of gas isolating valve 11 and first, the new resin in resin supply system 5 stir by resin deadweight and compressed air
It is dynamic to realize that resin is quickly filled into resin bed 1 from resin inlet 101.
After new resin loads, the first compressed air isolating valve 11 is closed, opens the second compressed air isolating valve 12, resin bed
1 bottom access compressed air, it is standby to mix new resin.
Resin bed, which rinses, to be comprised the following steps：
When resin bed 1 needs to rinse, handling system access desalination water supply system 8, desalination water supply system 8 by except
Brine line connects with the top of resin bed 1, and desalination water pipeline is provided with desalination water isolation valve 15；Open desalination water isolation valve
15, in the demineralized water access resin bed 1 in desalination water supply system 8, rinse resin bed 1.
In actual applications, the aperture of the first compressed air isolating valve 11 of control and the second compressed air isolating valve 12 is passed through
To adjust the top and bottom inlet compression air pressure of resin bed 1, resin is set to be drawn off by gravity and compressed air pressure difference, second
Compressed air isolating valve 12 is blown into the bottom of resin bed 1 under the control of impulse generator 9 with certain frequency, and spent resin is exported
The residual resin of 102 surroundings is sent to discharge port.
Those skilled in the art can carry out various modifications and variations to the embodiment of the present invention, if these modifications and change
Type is within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention
Within.
The prior art that the content not being described in detail in specification is known to the skilled person.
Claims (10)
1. a kind of automatic assembling and disassembling system of Geldart-D particle radioactivity resin, including resin bed (1), spent resin transhipment tank (2), technique
Liquid supply system (4) and resin supply system (5), the top of the resin bed (1) are entered provided with resin inlet (101), process liquor
Mouth (104), the bottom of the resin bed (1) are provided with spent resin outlet (102) and process liquor outlet (105), it is characterised in that：Institute
Stating handling system also includes compressed air supply system (3), and waste gas outlet (103) is additionally provided with resin bed (1)；
The compressed air supply system (3) is gone out with resin inlet (101) and process liquor respectively by two-way compressed-air line
Mouth (105) connection, the compressed-air line connected with resin inlet (101) are provided with the first compressed air isolating valve (11), with
The compressed-air line of process liquor outlet (105) connection is provided with the second compressed air isolating valve (12)；
The resin supply system (5) is loaded pipeline by resin and connected with resin inlet (101), on the resin filling pipeline
Provided with resin isolating valve (16)；The process liquor supply system (4) is connected by process liquor inflow line and process liquor import (104)
Logical, the process liquor inflow line is provided with the first process liquor isolating valve (13)；The spent resin transhipment tank (2) passes through spent resin
Discharging pipeline connects with spent resin outlet (102), and the spent resin discharging pipeline is provided with spent resin isolating valve (17)；It is described useless
Gas exports (103) and connected by exhaust line with spent resin transhipment tank (2), and the exhaust line is provided with the first waste gas isolating valve
(18)。
2. the automatic assembling and disassembling system of Geldart-D particle radioactivity resin as claimed in claim 1, it is characterised in that：The handling system
System also includes desalination water supply system (8), the top that the desalination water supply system (8) passes through desalination water pipeline and resin bed (1)
Portion connects, and the desalination water pipeline is provided with desalination water isolation valve (15).
3. the automatic assembling and disassembling system of Geldart-D particle radioactivity resin as claimed in claim 2, it is characterised in that：The demineralized water
Pipeline connects with the process liquor import (104) at the top of resin bed (1).
4. the automatic assembling and disassembling system of Geldart-D particle radioactivity resin as claimed in claim 1, it is characterised in that：The handling system
System also includes exhaust treatment system (7), and the exhaust treatment system (7) is transported tank (2) with spent resin by waste line and connected,
The waste line is provided with the second waste gas isolating valve (19).
5. the automatic assembling and disassembling system of Geldart-D particle radioactivity resin as claimed in claim 1, it is characterised in that：The handling system
System also includes process liquor discharge system (6), and process liquor discharge system (6) goes out pipeline by process streams and exported with process liquor
(105) connect, the process streams go out pipeline and are provided with the second process liquor isolating valve (14).
6. the automatic assembling and disassembling system of the Geldart-D particle radioactivity resin as any one of claim 1 to 5, its feature exist
In：The second compressed air isolating valve (12) is provided with impulse generator (9).
7. the automatic assembling and disassembling system of the Geldart-D particle radioactivity resin as any one of claim 1 to 5, its feature exist
In：The spent resin discharging pipeline is provided with the photoelectric sensor (10) for being used for monitoring spent resin discharging situation.
A kind of 8. automatic loading and unloading method of the Geldart-D particle radioactivity resin based on system described in claim 1, it is characterised in that
Loaded including spent resin discharging and new resin；
The spent resin discharging comprises the following steps：
The first process liquor isolating valve (13) is closed, opens the second compressed air isolating valve (12) and the first waste gas isolating valve (18),
Compressed air in compressed air supply system (3) enters resin bed from the process liquor outlet (105) of the bottom of resin bed (1)
(1) in, the spent resin in pine resin bed (1) is blown, while the waste gas in resin bed (1) enters spent resin through waste gas outlet (103)
Transport tank (2)；
The first waste gas isolating valve (18) is closed, opens the first compressed air isolating valve (11) and spent resin isolating valve (17), compression
Compressed air in air supply system (3) enters in resin bed (1) from the resin inlet (101) at the top of resin bed (1), makes
Resin is drawn off by the pressure of gravity and compressed air from spent resin outlet (102)；
The new resin, which loads, to be comprised the following steps：
The second compressed air isolating valve (12) and spent resin isolating valve (17) are closed, opens resin isolating valve (16), the first compression
Air isolation valve (11) and the first waste gas isolating valve (18), the new resin in resin supply system (5) are conducted oneself with dignity and pressed by resin
Contracting air agitation realizes that resin is quickly filled into resin bed (1) from resin inlet (101).
9. the automatic loading and unloading method of Geldart-D particle radioactivity resin as claimed in claim 8, it is characterised in that the handling side
Method also includes resin bed (1) and rinsed, and handling system also includes desalination water supply system (8), desalination water supply system (8) by except
Brine line connects with the top of resin bed (1), and the desalination water pipeline is provided with desalination water isolation valve (15)；Work as resin bed
(1) when needing to rinse, desalination water isolation valve (15) is opened, the demineralized water access resin bed (1) in desalination water supply system (8)
It is interior, rinse resin bed (1).
10. the automatic loading and unloading method of Geldart-D particle radioactivity resin as claimed in claim 8, it is characterised in that the new tree
After fat loads, also comprise the following steps：The first compressed air isolating valve (11) is closed, opens the second compressed air isolating valve
(12), the bottom access compressed air of resin bed (1), it is standby to mix new resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711008422.3A CN107879126A (en) | 2017-10-25 | 2017-10-25 | The automatic assembling and disassembling system and method for Geldart-D particle radioactivity resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711008422.3A CN107879126A (en) | 2017-10-25 | 2017-10-25 | The automatic assembling and disassembling system and method for Geldart-D particle radioactivity resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107879126A true CN107879126A (en) | 2018-04-06 |
Family
ID=61782250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711008422.3A Pending CN107879126A (en) | 2017-10-25 | 2017-10-25 | The automatic assembling and disassembling system and method for Geldart-D particle radioactivity resin |
Country Status (1)
| Country | Link |
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| CN (1) | CN107879126A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876871A (en) * | 2019-03-28 | 2019-06-14 | 江苏核电有限公司 | A kind of high efficiency resin discharging method for high-pressure ion exchange purification system |
| CN110357210A (en) * | 2019-07-18 | 2019-10-22 | 岭澳核电有限公司 | Pressurized-water reactor nuclear power plant removes the old resin replacement device of salt bed and method |
| CN111960566A (en) * | 2020-07-09 | 2020-11-20 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Condensed water fine treatment system and method suitable for floating reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876871A (en) * | 2019-03-28 | 2019-06-14 | 江苏核电有限公司 | A kind of high efficiency resin discharging method for high-pressure ion exchange purification system |
| CN110357210A (en) * | 2019-07-18 | 2019-10-22 | 岭澳核电有限公司 | Pressurized-water reactor nuclear power plant removes the old resin replacement device of salt bed and method |
| CN111960566A (en) * | 2020-07-09 | 2020-11-20 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Condensed water fine treatment system and method suitable for floating reactor |
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