CN103426493B - The drip of radioactive spent resin free water is except device and drip are except method - Google Patents
The drip of radioactive spent resin free water is except device and drip are except method Download PDFInfo
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- CN103426493B CN103426493B CN201210148035.0A CN201210148035A CN103426493B CN 103426493 B CN103426493 B CN 103426493B CN 201210148035 A CN201210148035 A CN 201210148035A CN 103426493 B CN103426493 B CN 103426493B
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Abstract
The present invention relates to a kind of radioactive spent resin free water drip is except device, including drip is except container（4）And respectively with drip except container（4）Top, the feeding pipe that is connected of bottom（1）With discharging pipeline（8）, it is characterised in that drip is except container（4）For pressure vessel, drip is except container（4）Top be provided with the first compressed air intake line（2）；Discharging pipeline（8）On be connected with drainage pipeline（6）, drainage pipeline（6）On be connected with the second compressed air intake line（5）.Present invention also offers above-mentioned radioactive spent resin free water drip removes method except the drip of device.The present invention using compressed air carrier band by the way of realize free water in spent resin drip remove and discharge, with drip except efficiency high, discharge residual rate it is little, it is safe the features such as；Due to compressed air as power, it is to avoid destruction of the mechanism to resin；Remote operation, quantitative Treatment can be realized；Additionally, have long service life, control it is relatively easy the advantages of.
Description
Technical field
The invention belongs to Radwastes treatment technical field, and in particular to a kind of radioactive spent resin free water drip is except dress
Put and drip except method.
Background technology
Current nuclear power station（Daya Gulf, one phase of ridge Australia, Qinshan second phase etc.）The spent resin of generation is cured in 2m3C1 types mix
In solidifying soil bucket, curable 320L in each barrel of cement（10 tanks）Wet resin, the containing rate of barrel of cement（V/V）For 42%.Consolidated
The volume of the wet resin of change only accounts for the 16% of concrete bucket, more than about 5.6 times of Waste volume increase-volume.Three for currently building
Nuclear power station is being built from the external spent resin handling process introduced, and the free moisture in spent resin from rear, is dried by the technique,
Then shorten resin hot pressing into after pie barrelling.But the technique adopts motor drive mechanism, thus there is potential safety hazard and be difficult
Control, the shortcomings of service life is short, and mechanism is easily damaged to resin.
Therefore dry technology in the bucket for needing further develop spent resin, waste is realized by safety and in the way of easily operated
Minimize, when especially carrying out dry technology research in nuclear power station spent resin bucket, it is desirable to can realize reducing Waste volume, reduce
Its harmfulness, reduce waste process and cost of disposal target, while realize dry technology in the bucket of spent resin, device it is domestic
Change.
The content of the invention
For defect present in prior art, it is an object of the present invention to provide a kind of draining efficiency high, using the longevity
A kind of long, safe and reliable, easily operated and achievable remote operated radioactive spent resin free water drip is ordered except device.
It is an object of the present invention to provide above-mentioned radioactive spent resin free water drip removes method except the drip of device.
To reach object above, the technical solution used in the present invention is：A kind of radioactive spent resin free water drip removes device,
The top of container, the feeding pipe that bottom is connected and discharging pipeline are removed except container and respectively with drip including drip, its feature exists
In drip is pressure vessel except container, drips to remove and be additionally provided with the first compressed air intake line at the top of container；Connect on discharging pipeline
There is drainage pipeline, on drainage pipeline, be connected with the second compressed air intake line.
Further, the port of export of drainage pipeline is provided with drainage mouth, and the stainless steel filtering net of 80 mesh is provided with drainage mouth.
Further, each pipeline by Valve controlling open and close, and the on-position of the second compressed air intake line between
Between drainage pipeline, the junction of discharging pipeline and the valve of drainage pipeline.
Further, drip except container be the upper bucket inferior pyramidal container by made by stainless steel material, highest is pressure 0.1Mpa.
Further, dripping and overflow passage being provided with except the top of container, overflow passage is opened and closed by Valve controlling.
Further, drip to be removed and be arranged with observation window on container.
Further, the device also includes supporting drip except the support of container.
The above-mentioned radioactive spent resin free water drip that the present invention is provided is comprised the following steps except the drip of device removes method：
（1）Radioactive spent resin is conveyed in device：Feeding pipe, overflow passage and drainage pipeline are opened, to drip except appearance
Radioactive spent resin is conveyed in device, when spent resin is overflowed from the port of export of overflow passage, feeding pipe and overflow passage is closed；
（2）Free water drip is removed：The first compressed air intake line is opened, is removed in container to drip and is passed through compressed air, make
The free water that drip is removed is discharged from drainage pipeline with compressed air, when free water stops discharging, closes drainage pipeline and the first pressure
Contracting air input passageway；
（3）The resin after draining is made to discharge：The second compressed air intake line is opened, is removed to drip and in container, is passed through compression sky
Gas, treats that drip is removed and specified pressure is reached inside container, open discharging pipeline, resin is discharged with compressed air after making draining, has been discharged
Discharging pipeline and the second compressed air intake line are closed after finishing.
Further, step（2）In, the pressure of the compressed air being passed through by the first compressed air intake line is 0.04-
0.05Mpa；Free water drip is 95-98% except rate.
Further, step（3）In, when drip reaches 0.04-0.05Mpa except container internal pressure, open discharging pipeline；Go out
After material is finished, in device, after draining, the residual rate of resin is 3-5%.
Radioactive spent resin free water drip provided by the present invention is except device and drip are except method and domestic and international existing practical operation
Used in cross/device that is currently in use compares, have the advantage that：
First, draining mode is carried using compressed air, as far as possible the free water drip in spent resin can be removed, and not
Destruction can be produced to resin, the moisture content of resin is provided just so as to the next step for spent resin is operated 55% or so after draining
Profit.
Second, by the way of compressed air carrier band discharging, resin after draining can be carried into out water logging device effectively,
So as to improve the efficiency of draining, discharge residual rate≤5%.
3rd, the use of compressed air is power, the drip for carrying out free water using gas removes, it is to avoid mechanism is to resin
Destruction, while eliminate using motor drive mechanism exist potential safety hazard, improve service life.
4th, it is possible to achieve remote-controlled operation, quantitative Treatment, so as to reduce injury of the radioactivity to personnel, control
It is relatively easy.
Description of the drawings
Fig. 1 is the structural representation that the radioactive spent resin free water drip that the present invention is provided removes device；
Fig. 2 is the flow chart that the drip of radioactive spent resin free water shown in Fig. 1 removes method except the drip adopted by device.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.
As shown in figure 1, radioactive spent resin free water drip provided by the present invention is except device includes drip except container 4 and divides
The top of container 4, feeding pipe 1 that bottom be connected and discharging pipeline 8 are not removed with drip, its key technology is that drip is except container 4
For pressure vessel, drip and the first compressed air intake line 2 is provided with except the top of container 4；Drainage pipeline is connected with discharging pipeline
6, the second compressed air intake line 5 is connected with drainage pipeline.
In the present invention, the first compressed air intake line 2 is certain for input in container 4 is removed to the drip for having been filled with spent resin
The compressed air of pressure, so that most of free water is separated with resin, drips the free water for removing with compressed air from filter pipe
The port of export is discharged；Second compressed air intake line 5 is empty for input compression in container 4 is removed to the drip for holding resin after draining
Gas, after certain pressure is reached inside drip removes container 4, after making draining, resin is arranged from the port of export of the pipeline that discharges with compressed air
Go out.Thus, the drip of free water during the present invention is realized to radioactive spent resin by the way of compressed air carrier band is removed and is dripped
The discharging of resin after water.
To prevent resin during free water drip is removed from flowing out from the port of export i.e. drainage mouth 7 of drainage pipeline 6 with free water, this
Invention is provided with the stainless steel filtering net of 80 mesh in drainage mouth 7.
Under preferable case, as apparatus main body drip except container 4 be the upper bucket inferior pyramidal container by made by stainless steel material,
Highest is pressure 0.1Mpa.
In a more preferred embodiment, drip except container 4 top barrel shaped structure internal diameter be 270mm, high 400mm, thereon
The observation window 3 of height 270mm is symmetrically provided with, the overflow passage 9 of a diameter of DN25mm is provided with the top of barrel shaped structure；Drip is except appearance
The bottom of device 4 is the centrum of 60 degree of taper, is welded to connect with top barrel shaped structure；A diameter of DN40mm of feeding pipe 1, first
A diameter of DN8mm of compressed air intake line 2, discharge pipeline 8 a diameter of DN40mm, drainage pipeline 6 it is a diameter of
DN40mm.Free water in radioactive spent resin is carried out after drip removes, to be temporarily stored in drip except in container 4 using the device of the present embodiment
Draining after resin volume be 20L.
In the present invention, each pipeline is opened and closed by Valve controlling, and the on-position of the second compressed air intake line 5 is situated between
Between drainage pipeline 6, the junction of discharging pipeline 8 and the valve of drainage pipeline 6.
Additionally, the device of the present invention can also be included for supporting drip except the support 10 of container 4.
Fig. 2 gives the drip of radioactive spent resin free water shown in Fig. 1 except the drip adopted by device removes the idiographic flow of method,
The method is mainly included the following steps that：
（1）Radioactive spent resin is conveyed in device, concrete operations are as follows：
（1.1）By the drip of radioactive spent resin free water except device and corresponding spent resin transfer pipeline and compressed air line
Connection；
（1.2）Feeding pipe 1, drainage pipeline 6 and overflow passage 9 on opening device（Now, feeding pipe 8, first is pressed
Contracting air input passageway 2 and the second compressed air intake line 5 are in closed mode）；
（1.3）Resin is conveyed using spent resin transfer pipeline into device, until the port of export of the spent resin from overflow passage 9
During spilling, stop conveying, close overflow passage 9 and feeding pipe 1.
（2）Free water drip is removed, concrete operations are as follows：
（2.1）The valve of the first compressed air intake line 2 is opened, is removed to drip and pressure is passed through in container 4 for 0.04MPa's
Compressed air, the free water in resin are just discharged from the drainage mouth 7 of drainage pipeline 6 with compressed air；
（2.2）Free water drip is treated except rate reaches more than 95%, stops discharge, closing control drainage pipeline 6 and the first compression are empty
The valve of gas intake line 2.
（3）The resin after draining is made to discharge, concrete operations are as follows：
（3.1）The second compressed air intake line 5 is opened, and reaches internal pressure except compressed air being filled with container 4 to drip
To 0.04MPa；
（3.2）Discharging pipeline 8 is opened, resin is discharged from the port of export of discharging pipeline 8 after making draining, after draining in device
The residual rate of resin closes discharging pipeline 8 and the second compressed air intake line 5 up to after 4.98%.
Illustrate that the radioactive spent resin free water of present invention offer is dripped except device is adopted with specific embodiment above
Drip remove method.With regard to specific embodiment, need to make described further below：
A) in free water drip except in step, the drip of free water increases with the increase of compressed air pressure during draining except rate
Greatly, but when the pressure of compressed air reaches more than 0.04MPa change little, and can be fluctuated in the range of 95-98% up and down.
b）In discharging step, with the increase of discharge pressure, discharging speed increases, and discharging desired times reduce, but
The splashing of resin is increasingly severe, it is advantageous to discharging in pressure 0.04-0.05MPa, the maximum residual rate for now measuring is
4.98%, minimum residual rate is 3.17%.
c）In discharging step, can be appropriate to increase discharging number of times according to discharging situation, to reach the mesh for reducing residual rate
's.
In addition, before using radioactive spent resin free water of the present invention drip except device, it is necessary to each master of device
Part is wanted to be checked, it is ensured that the security of drip division operation.
Can be to containing free water except method except device and drip using radioactive spent resin free water of the present invention drip
Radioactive spent resin realize efficiently separating for resin and free water, the free water after separation can be collected and in resin transfer mistake
Cycling and reutilization in journey, the complete rear resin of draining do not have an obvious free water, and moisture content is 55% or so；Device internal tree after discharging
Fat residual rate≤5%.Resin after process, can be dried or fill high overall performance container and be further processed.This
Bright provided apparatus and method are related to radioactive spent resin preconditioning technique, with stronger practicality.
Above-described embodiment illustration simply to the present invention, the present invention can also be with other ad hoc fashions or other
Particular form is implemented, without departing from idea of the invention or substantive characteristics.Therefore, from the point of view of the embodiment of description is in terms of any
It is regarded as illustrative rather than determinate.The scope of the present invention should be illustrated by appended claims, any and claim
Intention and the equivalent change of scope also should be within the scope of the present invention.
Claims (10)
1. a kind of radioactive spent resin free water drip removes device, including drip except container (4) and respectively with drip except the top of container (4)
Feeding pipe (1) that portion, bottom are connected and discharging pipeline (8), it is characterised in that drip is pressure vessel except container (4), drip is removed
The first compressed air intake line (2) is additionally provided with the top of container (4)；Discharging pipeline (8) is with drip except the connection of container (4) bottom
Place is connected with drainage pipeline (6), and the second compressed air intake line (5) is connected with drainage pipeline (6).
2. a kind of radioactive spent resin free water drip according to claim 1 is except device, it is characterised in that drainage pipeline
(6) the port of export is provided with drainage mouth (7), drainage mouth (7) stainless steel filtering net for being provided with 80 mesh.
3. a kind of radioactive spent resin free water drip according to claim 1 and 2 is except device, it is characterised in that feed pipe
Road (1), the first compressed air intake line (2), the second compressed air intake line (5), drainage pipeline (6), discharging pipeline (8)
Opened and closed by Valve controlling, and the on-position of the second compressed air intake line (5) is between drainage pipeline (6) and discharge nozzle
Between the junction on road (8) and the valve of drainage pipeline (6).
4. a kind of radioactive spent resin free water drip according to claim 1 and 2 is except device, it is characterised in that drip is except appearance
Device (4) is the upper bucket inferior pyramidal container by made by stainless steel material, highest is pressure 0.1Mpa.
5. a kind of radioactive spent resin free water drip according to claim 4 is except device, it is characterised in that drip is except container
(4) top is provided with overflow passage (9), and overflow passage (9) is opened and closed by Valve controlling.
6. a kind of radioactive spent resin free water drip according to claim 5 is except device, it is characterised in that drip is except container
(4) observation window (3) is arranged with.
7. a kind of radioactive spent resin free water drip according to claim 6 is except device, it is characterised in that the device is also wrapped
Include drip is supported except the support (10) of container (4).
8. the drip that a kind of arbitrary described radioactive spent resin free water drip of claim 5-7 removes device removes method, including following
Step：
(1) radioactive spent resin is conveyed in device
Feeding pipe, overflow passage and drainage pipeline are opened, is removed in container to drip and is conveyed radioactive spent resin, treat Spent Radioactive tree
Fat from the port of export of overflow passage overflow when, close feeding pipe and overflow passage；
(2) free water drip is removed
The first compressed air intake line is opened, is removed in container to drip and is passed through compressed air, make the free water that drip is removed empty with compression
Gas is discharged from drainage pipeline, when free water stops discharging, closes drainage pipeline and the first compressed air intake line；
(3) radioactive spent resin after draining is made to discharge
The second compressed air intake line is opened, and to drip except compressed air being passed through in container, treats that drip is specified except reaching inside container
During pressure, discharging pipeline is opened, radioactive spent resin is discharged with compressed air after making draining, discharging pipeline is closed in discharging after finishing
With the second compressed air intake line.
9. drip according to claim 8 is except method, it is characterised in that in step (2), by the first compressed air input pipe
The pressure of the compressed air that road is passed through is 0.04-0.05Mpa；Free water drip is 95-98% except rate.
10. drip according to claim 8 is except method, it is characterised in that in step (3), treats drip except container internal pressure reaches
During to 0.04-0.05Mpa, discharging pipeline is opened；After discharging is finished, in device, after draining, the residual rate of radioactive spent resin is 3-
5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210148035.0A CN103426493B (en) | 2012-05-14 | 2012-05-14 | The drip of radioactive spent resin free water is except device and drip are except method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210148035.0A CN103426493B (en) | 2012-05-14 | 2012-05-14 | The drip of radioactive spent resin free water is except device and drip are except method |
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| CN103426493A CN103426493A (en) | 2013-12-04 |
| CN103426493B true CN103426493B (en) | 2017-04-05 |
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| CN105070340B (en) * | 2015-07-17 | 2017-08-04 | 中广核工程有限公司 | A kind of nuclear power plant's solidification of waste processing system and method |
| CN106941016A (en) * | 2016-10-13 | 2017-07-11 | 中国辐射防护研究院 | A kind of method for handling radioactive waste ion exchange resin |
| CN106935306A (en) * | 2016-10-13 | 2017-07-07 | 中国辐射防护研究院 | A kind of device for processing radioactive waste ion exchange resin |
| CN111681799A (en) * | 2020-04-30 | 2020-09-18 | 中国辐射防护研究院 | Drying and volume reduction treatment device and method for radioactive waste resin Fenton oxidation waste liquid |
| CN112289476B (en) * | 2020-10-29 | 2023-04-07 | 江苏中海华核环保有限公司 | Useless resin toper drying device of radioactivity |
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| US4836937A (en) * | 1986-03-04 | 1989-06-06 | General Signal Corporation | System for removing liquid from a slurry of liquid and powdered material |
| JPH0778556B2 (en) * | 1991-09-02 | 1995-08-23 | 日本碍子株式会社 | Dewatering method for powdery radioactive waste |
| JP2004198066A (en) * | 2002-12-20 | 2004-07-15 | Matsui Mfg Co | Powder and granular material drying and storage device, and powder and granular material feed system |
| CN201260959Y (en) * | 2008-09-10 | 2009-06-24 | 中南大学 | Reaction and solid-liquid separation integrated device |
| CN201525888U (en) * | 2009-11-19 | 2010-07-14 | 上海宝钢设备检修有限公司 | Acid regenerating system for cold-rolling acid-washing waste acid containing iron ions |
| CN102008981A (en) * | 2010-07-01 | 2011-04-13 | 诸城东晓生物科技有限公司 | Resin column external washing device |
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