CN110357210A - Pressurized-water reactor nuclear power plant removes the old resin replacement device of salt bed and method - Google Patents
Pressurized-water reactor nuclear power plant removes the old resin replacement device of salt bed and method Download PDFInfo
- Publication number
- CN110357210A CN110357210A CN201910650000.9A CN201910650000A CN110357210A CN 110357210 A CN110357210 A CN 110357210A CN 201910650000 A CN201910650000 A CN 201910650000A CN 110357210 A CN110357210 A CN 110357210A
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- Prior art keywords
- resin
- old
- salt bed
- container
- new
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The present invention relates to nuclear power station feed heating system technical fields, a kind of pressurized-water reactor nuclear power plant is provided except the old resin replacement device of salt bed, the resin replacement device includes that the first resin container, the second resin container and resin are lifted device, first resin container be connect with the first end that should remove salt bed, it is exclusively used in from this except salt bed draws off the old resin, second resin container is lifted device by the resin and connect with the second end that should remove salt bed, be exclusively used in this except salt bed is packed into new resin.The present invention also provides remove the method that the old resin of salt bed is replaced to pressurized-water reactor nuclear power plant using the more changing device.Pressurized-water reactor nuclear power plant provided by the invention can greatly reduce replacement workload except the old resin replacement device of salt bed and method, shorten the construction period, reduce pollution of the old resin to new resin, have reference to any pressurized-water reactor nuclear power plant.
Description
Technical field
The present invention relates to nuclear power station feed heating system technical fields, and in particular to a kind of pressurized-water reactor nuclear power plant is old except salt bed
Resin replacement device, and using more changing device replacement pressurized-water reactor nuclear power plant except the method for the old resin in salt bed.
Background technique
Pressurized-water reactor nuclear power plant condensate clean-up processing system can have aging phenomenon, condensed water except the long-time service of salt bed resin
Cleaning treatment system has broken positive resin to enter nuclear power station secondary loop when running, and causes evaporator sulfate radical to increase, while this is
The water production in periodic mode of system declines and the decline of negative resin volume-exchange capacity, therefore need to carry out integral replacing to except salt bed resin, with
The potential equipment corrosion of secondary circuit heat power equipment is reduced, better ensures that unit operational safety.
Existing old resin is drawn off except the technique of salt bed is usually manually from except digging out old resin in salt bed, and by old resin
It is carried to ground from the desalination bed platform of eminence, there are great workloads and industry security risk for this.Existing new resin dress
Enter except the technique of salt bed is two new resin containers of setting for cleaning new resin, because newly resin is despite exempting from regenerative resin,
It still needs to be fitted into after cleaning to conductivity qualification except in salt bed in resin regeneration tank.After be changed to use first new resin container
In receiving from the old resin drawn off by pipeline except salt bed.But due to requiring to ensure that condensed water is net during resin replacement
Change processing system and be in stand-by state, i.e., has during resin replacement except salt bed can be incorporated to secondary circuit operation at any time, therefore
It is required that being packed into new resin on except salt bed as early as possible, therefore old resin is drawn off quickly after first old resin of new resin container receiving,
It is packed into new resin.And old resin remaining in the clean resin regeneration tank of thorough cleaning is needed before being fitted into new resin, to prevent old tree
Rouge pollutes new resin.But in fact cleaning is impossible to accomplish fully and completely to clear up each time, so that it is new to increase old resin stain
The risk of resin, and frequently can opening clears up old resin, also increases workload, extends the duration.Therefore, it is necessary to presurized water reactor core
Power station condensate clean-up processing system is improved except more changing jobs for salt bed resin, to reduce replacement workload, reduce operation
Risk shortens the construction period and reduces pollution of the old resin to new resin.
Summary of the invention
In order to improve existing nuclear plant desalting bed resin replacement method there are the problem of, the purpose of the present invention is to provide
A kind of pressurized-water reactor nuclear power plant is except the old resin replacement device of salt bed and using the more changing device to pressurized-water reactor nuclear power plant except salt bed is old
The method that resin is replaced, replacement device and method of the invention can greatly reduce replacement workload, reduce operational risk,
It shortens the construction period, reduces pollution of the old resin to new resin.
Therefore, in one aspect, the present invention provides a kind of pressurized-water reactor nuclear power plant except the old resin replacement device of salt bed, the resin
More changing device includes that the first resin container, the second resin container and resin are lifted device, first resin container and the first end that should remove salt bed
Connection is exclusively used in drawing off the old resin from this except salt bed, second resin container by the resin be lifted device with should be except the of salt bed
The connection of two ends is exclusively used in this except salt bed is packed into new resin.
Further, which includes resin loading device, for loading the new resin to second resin container.
Further, which includes resin mixer and fluid ejector, the resin mixer with should
Fluid ejector connection, the fluid ejector are connect with second resin container, which is used for the new resin and water
Resin-aqueous mixtures are mixed to form, which is used to the resin-aqueous mixtures being loaded into second resin container.
The fluid ejector can be any can push the resin-water to mix by means of fluid media (medium) by fluid dynamic
Logistics enters the device in second resin container.As a non-limiting example, which can be aqueous stream injectors.
As another non-limiting example, which can be steam jet atomizer.
Further, which further includes resin displacer, for making the old resin from first resin container
Discharge.As a non-limiting example, which is pipeline.As another non-limiting example, resin row
Device is pump out.
Further, which further includes old plastic holding device, and the old plastic holding device and the resin displacer connect
It connects, for concentrating the old resin received and be discharged from the resin displacer.
Further, resin lifting device is pump or blade.
In second aspect, the present invention provides a kind of pressurized-water reactor nuclear power plant except the old resin replacement method of salt bed, the resin replacement
Method includes:
By the old resin from this except salt bed is discharged to and is somebody's turn to do the first resin container connecting except the first end of salt bed,
New resin is loaded into and is somebody's turn to do the second resin container connecting except the second end of salt bed, and
The new resin in second resin container, which is packed into, should remove salt bed.
Further, it includes passing through tree that new resin is loaded into the second resin container that should be connect except the second end of salt bed by this
The new resin and water are mixed to form resin-aqueous mixtures by rouge mixer, and the fluid by connecting with the resin mixer sprays
Resin-the aqueous mixtures are loaded into second resin container by emitter.The fluid ejector can be aqueous stream injectors or air-flow
Injector.
Further, which further includes arranging the old resin from first resin container through resin displacer
Out.
Further, which is discharged to from first resin container for concentrating the old resin for receiving the old resin to hold
Device.
Further, which makes remain in first resin container one small after first resin container discharge
Partially the old resin is retained in first resin container.
Further, which further includes that the new resin in second resin container is being packed into the desalination
It before bed, is purged with compressed air to salt bed water cap is removed, remains in this except the old resin in salt bed water cap to remove.
Innovative point and beneficial effect of the invention is:
First resin container is exclusively used in old resin to draw off, the second resin container is exclusively used in new resin and is packed into, and can reduce old tree
Rouge pollutes the probability of new resin.Will by except manually dig out in salt bed old resin be improved to will except in salt bed old resin be discharged to first
It is then exhausted from after resin container, it is possible to reduce from except digging out the workload and work for being transported to ground after old resin from eminence platform in salt bed
Industry security risk.By the way that the special resin loading device including resin mixer and fluid ejector is arranged, may be implemented pair
The cleaning and fluid dynamic conveying of new resin.Resin displacer is set in the first resin container lower part, by old resin from the first resin
Tank discharge, reduces personnel and enters in tank body the workload for digging out and carrying old resin and industry security risk.It will be except in salt bed
Cleaning is changed to clear up in situ after water cap disassembly, can greatly reduce the workload of water cap demolition and installation.
Calculate through scene, using pressurized-water reactor nuclear power plant condensate clean-up processing system of the invention except the old resin in salt bed
Resin replacement device and method it is dirty can to reduce old resin for having there are three the condensate clean-up processing system for removing salt bed
New resin probability 75% is contaminated, the individual event workload that old resin is drawn off saves about 80%, the individual event workload section of new resin load
About 18% is saved, the individual event workload for clearing up water cap saves about 68%.It is comprehensively compared, saves amount of work about 45%, improve work
Efficiency, and person works' intensity is effectively reduced and evades industry security risk, the duration shortens about 40% than expected.
Detailed description of the invention
Fig. 1 shows pressurized-water reactor nuclear power plant condensate clean-up processing system according to the present invention except the old resin replacement device of salt bed
Schematic diagram;
Fig. 2 shows pressurized-water reactor nuclear power plant condensate clean-up processing system according to the present invention except the old resin replacement device of salt bed
In resin loading device schematic diagram;
Fig. 3 shows that pressurized-water reactor nuclear power plant condensate clean-up processing system removes the schematic diagram of salt bed.
Specific embodiment
Below by specific embodiment and in conjunction with attached drawing, invention is further described in detail.
Referring to Fig. 1, wherein schematically showing pressurized-water reactor nuclear power plant according to the present invention except the old resin replacement dress of salt bed
Set, resin replacement device includes the first resin container 1 and the second resin container 2 and resin is lifted device 61, the first resin container 1 with remove salt bed
3 first end connection is exclusively used in from except salt bed 3 draws off old resin, and the second resin container 2 is lifted device 61 by resin and removes salt bed 3
Second end connection, be exclusively used in being packed into new resin except salt bed 3.
Show that three are removed salt bed 3 and the first resin container 1 and the second resin container 2, the first resin container 1 and the second tree in Fig. 1
Rouge tank 2 is located at ground, and except salt bed 3 is on platform of about 8 meters away from ground.Except in salt bed 3 have old resin to be replaced.It removes
The first end of salt bed 3 is its lower end, the first resin container 1 is connected to by unloading resin pipeline 5, to unload old resin.Unload pitch tube
Road 5 is equipped with valve (not shown), for controlling unloading for old resin.Except the second end of salt bed 3 is the upper end, pass through dress
Resin pipeline 6 is connect with the second resin container 2, to be packed into new resin.It fills resin pipeline 6 and is equipped with valve (not shown), use
In the loading for controlling new resin.Resin lifting device 61 is for promoting new resin to the second end for removing salt bed 3.Resin is lifted device 61 can
Blade can also be used using pump.It can be run with Electric-motor driven pumps or blade, to promote new resin.
It is equipped with resin loading device 4 by the second resin container 2, is connect with the second resin container 2 by pipeline, is used for the
Two resin containers 2 load new resin.It is equipped with resin displacer 7 in the lower part of the first resin container 1, for making old resin from the first resin
Tank 1 is discharged.Resin displacer 7 can use the form of pipeline, and the old resin in the first resin container 1 is under the effect of gravity from the pipe
Road naturally drains.Valve (not shown) is equipped on the pipeline, for controlling the discharge of old resin.Resin displacer 7
It can be using the form of pump.Pump can accelerate the discharge of the old resin in the first resin container 1, reduce the operating time.
The resin replacement device further includes old plastic holding device (not shown).The old plastic holding device is designed as water filtering
Bulk container is connect with resin displacer 7, for concentrating the old resin received and be discharged from resin displacer 7.
Referring to fig. 2, wherein schematically showing resin loading device 4 comprising resin blending tank 41 and fluid injection
Device 42.Water pipe 43 is mixed to form resin-water with the new resin additionally incorporated and mixes for adding water in resin blending tank 41
Object, the fluid dynamic that resin-aqueous mixtures pass through fluid ejector 42 again are transported to the second resin container 2.Resin blending tank 41 is
Conical bottom mixing vessel, conical bottom is connect with fluid ejector 42 at one end by pipeline, in the other end and the second resin container 2
Connection.Fluid ejector 42 can be water flow jet or steam jet atomizer, connecting fluid source, for generating fluid dynamic.
Aqueous stream injectors and steam jet atomizer are well known to field of chemical engineering, and those skilled in the art can be according to the promotion resin-
The particular technique demand that aqueous mixtures flow into second resin container is chosen or is customized.Due to the formation of resin blending tank 41
Be resin-aqueous mixtures, fluid ejector 42 generallys use aqueous stream injectors, water source is connected, for generating flow dynamic.
Illustrate through the pressurized-water reactor nuclear power plant now in conjunction with Fig. 1 and Fig. 2 except the old resin replacement device of salt bed replaces old resin
Method.In brief, this method includes main three processing steps: (1) by old resin from except salt bed 3 is discharged to the first resin container
1, new resin is loaded into the second resin container 2 by (2), and the new resin in the second resin container 2 is packed into and removes salt bed 3 by (3), and another
It outside further include the cleaning in situ of (4) water cap.These processing steps are specifically described below.
(1) old resin is drawn off
It is that old resin is discharged to the first resin container 1 from except salt bed 3 is unloaded resin pipeline 5 that old resin, which draws off technique, then
Old resin is discharged by resin displacer 7 (row's of being shown as resin pipeline 7 in figure), to carry out waste treatment.Arrange resin pipeline 7
The lower part form in the first resin container 1 can be set.The old resin of sub-fraction remained in the first resin container 1 passes through manually again
It digs out.To save operation, the old resin of this sub-fraction need not can first be dug out, stay in the first resin container, and remaining space can hold
It receives second set of old resin, does not interfere with the discharge of second set of old resin, can opening again after old resin discharge to the last a set of in this way
Carry out thorough cleaning is dug out, can opening three times can be saved in this way and draw resin.That is, old resin makes residual after the discharge of the first resin container
There are the old resins of sub-fraction in first resin container to be retained in the first resin container.
The advantages of technique, essentially consists in, and the old resin in the first resin container 1 can be when shorter in the case where water flow is transmitted
It is interior to draw off old resin;Reduce personnel and frequently enter the workload for drawing resin in tank body, evades corresponding industry security risk;Cause
For except salt bed 3, aloft platform (about 8 meters) and the first resin container 1 reduce at ground (0 meter) from except digging out old tree in salt bed 3
0 meter of workload is carried to from 8 meters of platforms again after rouge and evades related industries security risk.Through field statistics, old resin is drawn off
Technique can reduce workload nearly 80% compared to common process.
Old resin is discharged in order to facilitate concentrating, old resin can be discharged to old plastic holding device through resin displacer 7 and (not show in figure
Out).Old plastic holding device is the bulk container of water filtering, is connect with resin displacer 7, is arranged for concentrating to receive from the resin displacer
Old resin out, is further reduced workload and duration.
(2) load of new resin
The loading process of new resin is to be loaded into new resin by being located at the resin loading device 4 on 2 side of the second resin container
Second resin container 2.Specifically, it is added water in resin blending tank 41 by water pipe 43, position 44 in addition is added from new resin
New resin is added into resin blending tank 41, water and new resin are mixed to form resin-aqueous mixtures.Resin-aqueous mixtures are from tree
The conical bottom of rouge blending tank 41 is flowed out through pipeline, then the flow dynamic through aqueous stream injectors 42 is transported to the second resin container 2.
The loading process of new resin includes receiving carry new resin, tear every bag of new package resin open, add new resin from warehouse
Enter into resin blending tank 41, aqueous stream injectors 42 convey the operation such as new resin, site clearing, through field statistics, new resin
Working efficiency about 18% can be improved in loading process.
(3) loading of new resin
After resin-aqueous mixtures are transported to the second resin container 2 from resin blending tank 41, by the resin on dress resin pipeline 6
Lifting device 61 is transported to the upper end except salt bed 3, so that new resin be made to be fitted into except in salt bed 3.Resin-aqueous mixtures may be implemented newly
The flow dynamic of resin conveys.Resin, which is lifted device 61, can also use blade using pump.Electric-motor driven pumps or paddle can be used
Leaf operation, to promote new resin.
(4) cleaning in situ of water cap
Each of condensate clean-up processing system is except there are many a water caps for salt bed.Fig. 3 shows that pressurized-water reactor nuclear power plant is solidifying
Bear water the structural schematic diagram that cleaning treatment system removes salt bed, including resin room 8, water chamber 9, water cap 10 and manhole 11.Except salt bed
Spacing board of the water cap 10 in resin room 8 and water chamber 9 is upper in resin room 8.Resin room 8 is filled with the mixture of resin and water, tree
Rouge carries out except salt treatment water.The function of water cap 10 is to pass through water, and prevent the resin in resin room 8 by causing to flow
It loses.The top of water cap 10 is solid plate, and water is from water cap side surrounding by entering water chamber 9.
In order to prevent except the new resin that the old resin stain in salt bed is packed into, it is necessary to by old tree remaining in each water cap
Rouge is cleaned out.Normal practice is that all disassembly is cleared up offline by water cap, i.e., the water cap removed is placed under the sun natural
Drying reduces resin dehydration and falls off.By habitual thinking, the mode cleared up one by one after this disassembly, which can guarantee, to be cleaned out, but
Since disassembly and installation workload is very big and very time-consuming, extend the duration.And in resin replacement method of the invention, remove salt bed
Water cap uses Hand scarf.In short, opening after the old resin removed in salt bed is discharged to the first resin container 1 and removing salt bed
The manhole 11 of middle part resin room 8 and the manhole 11 of bottom water chamber 9 will be cleaned out as far as possible except old resin remaining in salt bed, used
Plastic flexible pipe one end connects compressed air, and the other end is passed through except salt bed water chamber 9 by the manhole 11 except salt bed water chamber 9, makes to remain in
From 9 blowback of salt bed water chamber each water cap is removed, (so-called blowback is because being dehydrated atrophy, then with compressed air for resin in water cap gap
Refer to that the flow direction of compressed air is opposite with the flow direction of water when desalination bed operating), while being entered by the manhole of resin room 8 11 except salt bed is used
Dust catcher siphons away the resin that blowback is got off from water cap.The effect of this Hand scarf is unexpectedly very good, and exempts from
In disassembly and installation, through field statistics, amount of work about 68% is saved than offline method of cleaning.
During certain pressurized-water reactor nuclear power plant condensate clean-up processing system removes salt bed resin replacement, it is faced with many challenges
With require.Preferentially, which needs to have during resin replacement in stand-by state except salt bed can be incorporated at any time at any time
Secondary circuit operation.The system three except there are two in operating status, another carries out the drawing off of old resin, new resin in salt bed
Loading and except salt bed water cap clear up, to ensure that the system is in stand-by state.Secondly, manpower is few and short time limit.Present invention wound
Technological improvement is carried out to the property made to the salt bed resin replacement operation sequence of removing of existing nuclear power station, innovative outstanding behaviours is in old resin
It draws off, three aspects of the load of new resin and water cap Hand scarf.Especially, the first resin container old resin is exclusively used in draw off, the
Two resin containers are exclusively used in new resin and are packed into, can be to avoid dirt of the old resin to new resin caused by existing replacement operation method
Dye.Calculate through scene, reduce the new resin probability 75% of old resin stain, the individual event workload that old resin is drawn off is saved about
80%, the individual event workload of new resin load saves about 18%, and the individual event workload for clearing up water cap saves about 68%.Comprehensive ratio
Compared with, amount of work about 45% is saved, working efficiency is improved, and person works' intensity is effectively reduced and evades industry security risk,
The duration shortens about 40% than expected.Condensate clean-up processing system of the invention removes salt bed resin replacement device and method to any
Pressurized-water reactor nuclear power plant has reference.
Use above specific example is expounded the present invention, is merely used to help understand the present invention, not to
The limitation present invention.The design of those skilled in the art according to the present invention can also be made and several simply push away
It drills, deform or replaces.These are deduced, deformation or alternative are also fallen into scope of the presently claimed invention.
Claims (15)
1. a kind of pressurized-water reactor nuclear power plant removes the old resin replacement device of salt bed, which is characterized in that the resin replacement device includes the
One resin container, the second resin container and resin are lifted device, and first resin container connect with the first end except salt bed, is exclusively used in
From described except salt bed draws off the old resin, second resin container is lifted device and described except the second of salt bed by the resin
End connection is exclusively used in described except salt bed is packed into new resin.
2. resin replacement device according to claim 1, which is characterized in that second resin container includes resin load dress
It sets, for loading the new resin to second resin container.
3. resin replacement device according to claim 2, which is characterized in that the resin loading device includes resin mixing
Device and fluid ejector, the resin mixer are connect with the fluid ejector, the fluid ejector and second tree
The connection of rouge tank, the resin mixer are used to the new resin and water being mixed to form resin-aqueous mixtures, the fluid injection
Device is used to the resin-aqueous mixtures being loaded into second resin container.
4. resin replacement device according to claim 3, which is characterized in that the fluid ejector be aqueous stream injectors or
Steam jet atomizer.
5. resin replacement device according to claim 1, which is characterized in that first resin container further includes resin discharge
Device, for the old resin to be discharged from first resin container.
6. resin replacement device according to claim 5, which is characterized in that the resin displacer is pipeline or pump.
7. resin replacement device according to claim 5, which is characterized in that the resin replacement device further includes old resin
Container, the old plastic holding device are connect with the resin displacer, for concentrate receive be discharged from the resin displacer it is old
Resin.
8. resin replacement device according to claim 1, which is characterized in that the resin lifting device is pump or blade.
9. a kind of pressurized-water reactor nuclear power plant removes the old resin replacement method of salt bed, which is characterized in that the resin replacement method includes:
By the old resin from described except salt bed is discharged to the first resin container connecting with the first end except salt bed,
New resin is loaded into the second resin container connecting with the second end except salt bed, and
The new resin in second resin container is packed into described except salt bed.
10. resin replacement method according to claim 9, which is characterized in that described be loaded into new resin is removed with described
Second resin container of the second end connection of salt bed includes that the new resin and water are mixed to form resin-water by resin mixer
Mixture, and the resin-aqueous mixtures are loaded into described by the fluid ejector by connecting with the resin mixer
Two resin containers.
11. resin replacement method according to claim 10, which is characterized in that the fluid ejector is aqueous stream injectors
Or steam jet atomizer.
12. resin replacement method according to claim 9, which is characterized in that the resin replacement method further includes making institute
Old resin is stated to be discharged from first resin container.
13. resin replacement method according to claim 12, which is characterized in that the old resin is from first resin container
It is discharged to for concentrating the old plastic holding device for receiving the old resin.
14. resin replacement method according to claim 12, which is characterized in that the old resin is from first resin container
After discharge, it is retained in old resin described in the sub-fraction remained in first resin container in first resin container.
15. resin replacement method described in any one of 0-14 according to claim 1, which is characterized in that the resin replacement side
Method further include the new resin in second resin container is packed into it is described except salt bed before, with compressed air to removing salt bed
Water cap is purged, and remains in the old resin except in salt bed water cap to remove.
Priority Applications (1)
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CN201910650000.9A CN110357210A (en) | 2019-07-18 | 2019-07-18 | Pressurized-water reactor nuclear power plant removes the old resin replacement device of salt bed and method |
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CN201910650000.9A CN110357210A (en) | 2019-07-18 | 2019-07-18 | Pressurized-water reactor nuclear power plant removes the old resin replacement device of salt bed and method |
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Citations (4)
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CN201296686Y (en) * | 2008-10-27 | 2009-08-26 | 中芯国际集成电路制造(上海)有限公司 | Resin replacement device |
JP5293210B2 (en) * | 2009-01-14 | 2013-09-18 | 栗田工業株式会社 | Packed tower |
CN107879126A (en) * | 2017-10-25 | 2018-04-06 | 中国船舶重工集团公司第七〇九研究所 | The automatic assembling and disassembling system and method for Geldart-D particle radioactivity resin |
CN208667180U (en) * | 2018-08-15 | 2019-03-29 | 广州圣安环保科技有限公司 | A kind of device for replacing waste and old resin |
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2019
- 2019-07-18 CN CN201910650000.9A patent/CN110357210A/en active Pending
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CN201296686Y (en) * | 2008-10-27 | 2009-08-26 | 中芯国际集成电路制造(上海)有限公司 | Resin replacement device |
JP5293210B2 (en) * | 2009-01-14 | 2013-09-18 | 栗田工業株式会社 | Packed tower |
CN107879126A (en) * | 2017-10-25 | 2018-04-06 | 中国船舶重工集团公司第七〇九研究所 | The automatic assembling and disassembling system and method for Geldart-D particle radioactivity resin |
CN208667180U (en) * | 2018-08-15 | 2019-03-29 | 广州圣安环保科技有限公司 | A kind of device for replacing waste and old resin |
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张志银: "《核电厂放射性废物最小化》", 31 July 2013, 原子能出版社 * |
李正要: "《矿物化学处理》", 30 June 2015, 冶金工业出版社 * |
陈家镛: "《湿法冶金手册》", 30 September 2005, 冶金工业出版社 * |
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Application publication date: 20191022 |
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