CN109470526A - A kind of radioactivity basin deposit sampler and its application method - Google Patents
A kind of radioactivity basin deposit sampler and its application method Download PDFInfo
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- CN109470526A CN109470526A CN201811336500.7A CN201811336500A CN109470526A CN 109470526 A CN109470526 A CN 109470526A CN 201811336500 A CN201811336500 A CN 201811336500A CN 109470526 A CN109470526 A CN 109470526A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005070 sampling Methods 0.000 claims abstract description 89
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 230000002285 radioactive effect Effects 0.000 claims abstract description 33
- 239000002699 waste material Substances 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 16
- 238000012216 screening Methods 0.000 claims description 6
- 238000012790 confirmation Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 239000002901 radioactive waste Substances 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 4
- 230000001788 irregular Effects 0.000 abstract description 3
- 231100000614 poison Toxicity 0.000 abstract description 3
- 230000007096 poisonous effect Effects 0.000 abstract description 3
- 239000013049 sediment Substances 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000010808 liquid waste Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/12—Dippers; Dredgers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
- G01N2001/1012—Suspensions
- G01N2001/1025—Liquid suspensions; Slurries; Mud; Sludge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to radioactivity places to sample technical field of operation, and in particular to a kind of radioactivity basin deposit sampler and its application method.The sampler includes sampling bowl, shear shank, cylinder and connector；Sampling bowl is closed by two and half bowl structures to be formed, and shear shank front end is fixedly connected with sampling bowl, and rear end is connect by connector with cylinder.The sampler uses remote manual control cylinder, realizes to the automatic clamping of deposit in Spent Radioactive liquid storage tank, has many advantages, such as that applied widely, using flexible is light；Curved channel or irregular channel can be passed through, realizes the sampling work in deformable containers by connecting rigid thief rod or flexible thief rod；The sampler can be not only used for deposit in low radioactive waste liquid basin and sample, and may be equally applicable for deposit in middle and high radioactive waste liquid basin, waste liquid sampling and the sampling operation of chemical field or other poisonous and harmful industries.
Description
Technical field
The invention belongs to radioactivity places to sample technical field of operation, and in particular to a kind of radioactivity basin deposit takes
Sample device and its application method.
Background technique
During nuclear facilities basin is retired, since radioactive liquid waste is stored in for a long time in Spent Radioactive liquid storage tank, putting
Penetrating property waste liquor storage tank bottom deposit has the deposit of different-thickness, to obtain nucleic type, radioactive water equality contained by deposit
Source item information must then pass through sampling analysis.Due to facility construction-time morning, the dedicated sampling of radioactive deposite is not designed
System, high, medium and low radioactive waste liquid is equipped with dedicated sampling system in basin, but does not consider that deposit samples in basin, and
And waste liquid sampling system can not be applied to deposit sampling work.Since low radioactive waste liquid basin radioactive level is lower, to personnel
Degree of injury it is smaller, the sampling of interior deposit is personnel by basin manhole in tank, be inserted into tank bottom using light instrument,
It carries basic sediment and collects to sampling bottle.Such method development basin deposit sampling difficulty is big, personnel's acceptable dose increases
The sediment sample representativeness add, collected is bad, deposit accumulate state influence sampling amount, can not be applied to it is middle and high put it is useless
The problems such as deposit samples in liquid storage tank.And found in the work of early period, into the instrumentation thimble in tank because of earthquake and drift
There is a degree of bending in the influence of tank event, and the sampler of rigid straight pipe class is caused to cannot be introduced into Spent Radioactive liquid storage tank
Interior completion sampling work.Through investigating, not finding that the prior art has can the direct applied sampler by curved channel.Cause
This, needs a kind of radioactivity basin deposit sampler and its application method, to solve the above problems.
Summary of the invention
It is an object of the invention in view of the shortcomings of the prior art, provide a kind of radioactivity basin deposit sampler and
Its application method, can remote-controlled operation, sediment sample in Spent Radioactive liquid storage tank can be taken out quantitatively.
Technical scheme is as follows:
A kind of radioactivity basin deposit sampler, including sampling bowl, shear shank, cylinder and connector；Bowl is sampled by two
A half bowl structure is closed to be formed, and shear shank front end is fixedly connected with sampling bowl, and rear end is connect by connector with cylinder.
Further, the sampling bowl is engaged using angle.
Further, the sampling bowl is provided with overflow port, for flowing out waste liquid.
Further, the scissors bar of the shear shank includes the two-arm that crosses one another, two-arm front end respectively with sampling bowl
The connection of two and half bowl structures, two-arm is machined with guide groove on rear end, for being connected with the push top of cylinder-driven bar.
Further, the front end of the shear shank is provided with reset spring.
Further, the two-arm of the scissors bar is fixed into " X " type by nut and shear shank pin.
Further, the shear shank pin is taper.
Further, the connector includes push top, and push top front end is inserted into the guide groove of shear shank, rear end and cylinder
Connection successively drives push top, shear shank and sampling bowl movement by Telescopic-cylinder.
Further, the connector further includes connecting rod, connecting tube, end cap and quick coupling, the connection of connecting rod front end
Shear shank two arm crossing point, rear end are connected with tubular connecting tube, and cylinder is located in connecting tube cavity, and connecting tube rear end is successively pacified
Equipped with end cap and quick coupling.
The present invention also provides the application methods of above-mentioned radioactivity basin deposit sampler, in turn include the following steps:
Step 1. determines the length of preceding tracheae and rear tracheae according to basin tank body depth, by quick coupling by one end
It is connected on cylinder, the other end connects external impetus control valve and air compressor；
Step 2. confirmation sampling bowl is in closed state, and Spent Radioactive liquid storage tank deposit sampler is then made to pass through screen
Transfer vessel is covered to be slowly drop down to inside basin through instrumentation thimble；
Step 3. operates the power control unit of air compressor, opens the sampling bowl of sampling head front end；
Step 4. slowly declines sampling head, until the sampling bowl of sampling head front end touches bottom settlings object, passes through preceding gas
Pipe and rear tracheae are downwardly applied to pressure, enter deposit by the video system observation sampling bowl cutting edge in basin；
Step 5. operates power control unit, is closed sample bowl, as deposit surface has waste liquid to pass through sampling bowl
On overflow port be discharged waste liquid；
Step 6. site operation personnel slowly extracts Spent Radioactive liquid storage tank deposit sampler, reach a certain height according to
It is secondary to remove upper sleeve, reach shielding transfer vessel, it is ensured that Spent Radioactive liquid storage tank deposit sampler is whole to be shifted in shielding
In container；
The quick coupling of step 7. disengagement collar and Spent Radioactive liquid storage tank deposit sampler, stores radioactive liquid waste
Tank deposit sampler is integrally packed into shielding transfer vessel, in fast transfer to screening glove case, is grasped in screening glove case
Make on platform, open shielding transfer, Spent Radioactive liquid storage tank deposit sampler is taken out, disengages sampling bowl, sample is shifted
Into sample bottle, sampling is completed.
The beneficial effects of the present invention are:
This sampler uses remote manual control cylinder, realizes the automatic folder to deposit in Spent Radioactive liquid storage tank
It takes, has many advantages, such as that applied widely, using flexible is light, by many experiments, improvement and practical application, successfully solve
The sediment sample representativeness of collection is bad, deposit accumulates the problems such as state influences sampling amount.The present apparatus passes through connection rigidity
Thief rod or flexible thief rod, can pass through curved channel or irregular channel, realize the sampling work in deformable containers.This
The Spent Radioactive liquid storage tank deposit sampler of embodiment can be not only used for deposit in low radioactive waste liquid basin and sample, equally
It can be adapted for deposit sampling and the sampling of chemical field or other poisonous and harmful industries in middle and high radioactive waste liquid basin to make
Industry.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of radioactivity basin deposit sampler of the present invention；
Fig. 2 is the structural schematic diagram of the sampling bowl closed state in Fig. 1；
Fig. 3 is the top view of radioactivity basin deposit sampler in Fig. 1；
Fig. 4 is the schematic shapes that bowl is sampled in Fig. 1；
Fig. 5 is the diagrammatic cross-section that bowl is sampled in Fig. 1；
Fig. 6 is the top view that bowl is sampled in Fig. 1；
Fig. 7 is the top view of shear shank in Fig. 1.
In figure: 1. sampling bowls, 2. reset springs, 3. nuts, 4. shear shank pins, 5. shear shanks, 5.1 scissors bars, 5.2
Guide groove, 6. connecting rods, 7. push tops, tracheae, 12. gas behind tracheae, 11. before gas-tpe fitting, 10. behind gas-tpe fitting, 9. before 8.
Cylinder, 13. half ring washers, 14. end caps, 15. quick couplings, 16. cellular type overflow ports, 17. longitudinal overflow ports, 18. connecting tubes.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
A kind of radioactivity basin deposit sampler is present embodiments provided, using manual control cylinder, is realized to sample
Clamping, can be used for the sampling operation of radioactivity place, the sampling that can also be applied to chemical industry or other poisonous and harmful industries is made
Industry.Its structure is as shown in Figure 1, Figure 2 and Figure 3, including sampling bowl 1, shear shank 5, cylinder 12, air supply system and connector.
Sampling bowl 1 is located at the front end of this sampler, is closed and is formed by two and half bowl structures, shape such as Fig. 4, Fig. 5 and figure
Shown in 6, the dischargeable capacity about 10cm of bowl 4 is sampled3；Two and half bowl structure edges are engaged using angle, and 45 ° of angle inscribe, occlusion
The width of angle is not less than 2mm, and the closed manners of angle occlusion can not only form more preferable obturation effect, and deposit edge is avoided to close
It is revealed at conjunction, the cutting edge that inclined opening structure is formed is also easy to take out deposit from tank base.To prevent cutting edge passivation, cutting edge is pre-
Stay 0.2mm thickness.For the waste liquid outflow for sample non-sampling object in bowl 4, samples setting on bowl 4 and open 6 60 ° of intervals
Overflow port, including 4 cellular type overflow port 16 and 2 longitudinal overflow ports 17；As shown in Figure 1, to guarantee 4 holes of edge strength
Formula overflow port 16 is respectively by 1Aperture composition, positioned at sampling bowl 4 two and half bowl structures left and right sides；Such as Fig. 3
Shown, longitudinal overflow port 17 is arranged in the middle part of half bowl structure of sampling bowl 4, is located between two cellular type overflow ports 16, is
The elongated slot of (10 × 1.5) mm, is smoothly discharged convenient for waste liquid and prevents the loss of deposit.When in use, sampling bowl 4 passes through confession
Gas system has a haircut to cylinder, the movement of shear shank 5 is completed to open, is closed, and opens 60 ° of angle.
Shear shank 5 is fixedly connected with sampling bowl 1, and structure is as shown in Figure 1, Figure 2 and Figure 7, including reset spring 2, scissors
Bar 5.1, nut 3 and shear shank pin 4；Scissors bar 5.1 includes the two-arm to cross one another, passes through nut 3 and shear shank pin 4
It is fixed into " X " type, two-arm front end is connect with two and half bowl structures of sampling bowl 4 respectively, and two-arm rear end is provided with handle, two-arm
It is machined with guide groove 5.2 on rear end and handle, is connected for the push top 7 with cylinder-driven bar；Front end is provided with reset spring 2,
Guarantee that sampling removes sampling bowl in the case of sampling bowl 1 loses pressure lost motion power in the process after the completion and is in closed state, and guarantee is cut
5.1 two-arm of knife bar usually opens angle no more than 60 °.Cooperated by cylinder 12 and scissors bar 5.1, completion sampling bowl 1 closure,
Expansion action.Shear shank pin 4 uses conical design, quickly disengages shear shank 5 and cylinder 12 after facilitating sampling.
For connector for connecting shear shank 5 and cylinder 12, structure is as shown in Figure 1, Figure 2 and Figure 3, including connecting rod 6,
Push top 7, connecting tube 18, end cap 14 and quick coupling 15；Connecting rod 6 is metallic support, for connecting shear shank 5 and connecting tube
18, as shown in figure 3, connecting rod 6 is connected to the crosspoint of 5 two-arm of shear shank by the nut and shear shank pin of shear shank 5
Place；Having a haircut, there are two plugs for the setting of 7 tops, are inserted into the guide groove 5.2 of shear shank 5, and push top 7 and the piston rod of cylinder 12 connect
It connects, drives moving forward and backward for push top 7 by the way that piston is flexible；Connecting tube 18 is cylindrical shape, and top is provided with through-hole, 12, cylinder
In in 18 cavity of connecting tube, the piston of cylinder 12 passes through top through-hole, and 18 front end of connecting tube is connect with connecting rod 6, rear end according to
It is secondary that end cap 14 and quick coupling 15 are installed；Quick coupling 15 can connect the hard metal pipe of different length or have certain hard
The hose of degree, quick coupling is connect with thief rod in operation process, and thief rod is bent by the instrumentation thimble of basin and rejection
It is fixed, it is divided into rigid thief rod, flexible thief rod.
Cylinder 12 is for pushing push top 7 to move forward and backward, to drive sampling 1 opening and closing of bowl by shear shank 5.Gas
Cylinder 12 is mounted in connecting tube 18, and half ring washer 13 is provided between cylinder 12 and end cap 14, thus by 12 company of being fixed on of cylinder
In adapter tube 18.12 thrust of cylinder of the present embodiment uses 50N power, and the chucking power generated at sampling 1 cutting edge of bowl is up to
350N is completed by 5 front and back end torque difference of shear shank, experiments verify that, this chucking power can be to dry and hard harder deposit
Crust is grabbed.
Air supply system is connect with cylinder 12, including preceding tracheae 10, rear tracheae 11, preceding gas-tpe fitting 8 and rear gas-tpe fitting 9,
Preceding tracheae 10 is connected to 12 front end of cylinder by preceding gas-tpe fitting 8, and rear tracheae 11 is connected to 12 rear end of cylinder by rear tracheae 9,
Preceding tracheae 10 and rear tracheae 11 pass through end cap 14 and quick coupling 15, connect air compressor.
Since instrumentation thimble is the stainless steel tube of φ 40mm in the basin of the present embodiment, it is desirable to which the maximum of sampler is outer
For diameter no more than 38mm, 12 type selecting of cylinder uses two-pass stainless steel cylinder, stroke (10~50) mm, and connection push top makes scissors
Frame 5 is opened, is closed.
The application method of above-mentioned Spent Radioactive liquid storage tank deposit sampler, in turn includes the following steps:
Step 1. determines the length of preceding tracheae 10 and rear tracheae 11 according to basin tank body depth, will by quick coupling 15
One end is connected on cylinder 12, and the other end connects external impetus control valve and air compressor；
Step 2. confirmation sampling bowl 1 is in closed state, and Spent Radioactive liquid storage tank deposit sampler is then made to pass through screen
Transfer vessel is covered to be slowly drop down to inside basin through instrumentation thimble；
Step 3. operates the power control unit of air compressor, opens the sampling bowl of sampling head front end；
Step 4. slowly declines sampling head, until the sampling bowl of sampling head front end touches bottom settlings object, passes through preceding gas
Pipe 10 and rear tracheae 11 are downwardly applied to pressure, enter deposit by video system observation sampling 1 cutting edge of bowl in basin；
Step 5. operates power control unit, is closed sample bowl 1, as deposit surface has waste liquid to pass through sampling
Waste liquid is discharged in overflow port on bowl 1；
Step 6. site operation personnel slowly extracts Spent Radioactive liquid storage tank deposit sampler, reach a certain height according to
It is secondary to remove upper sleeve, reach shielding transfer vessel, it is ensured that Spent Radioactive liquid storage tank deposit sampler is whole to be shifted in shielding
In container；
The quick coupling 15 of step 7. disengagement collar and Spent Radioactive liquid storage tank deposit sampler, makes radioactive liquid waste
Basin deposit sampler is integrally packed into shielding transfer vessel, in fast transfer to screening glove case, in screening glove case
On operating platform, shielding transfer is opened, Spent Radioactive liquid storage tank deposit sampler is taken out, sampling bowl 1 is disengaged, by sample
It is transferred in sample bottle, completes sampling.Dry and hard deposit in this way can open sampling bowl with pneumatic device and pour out deposit.This
Measure choice can be carried out according to deposit radioactive dosage level in tank.
Spent Radioactive liquid storage tank deposit sampler gone up and down in tank can according to place, sampling support Design can be manual
Or automatic lifting.
This sampling head uses remote manual control cylinder, realizes the automatic folder to deposit in Spent Radioactive liquid storage tank
It takes, by many experiments, improvement and practical application, successfully solves numerous technical problems existing for manual sampling.The present apparatus is logical
The rigid thief rod of connection or flexible thief rod are crossed, curved channel or irregular channel can be passed through, realize taking in deformable containers
Sample work.The Spent Radioactive liquid storage tank deposit sampler of the present embodiment can be not only used for deposit in low radioactive waste liquid basin
Sampling, may be equally applicable for deposit in middle and high radioactive waste liquid basin, waste liquid sampling and chemical field or other toxic has
The sampling operation of evil industry.
Obviously, various changes and modifications can be made to the invention without departing from of the invention by those skilled in the art
Spirit and scope.If these modifications and variations are within the scope of the claims of the present invention and its equivalent technology, then this hair
It is bright to be also intended to include these modifications and variations.
Claims (10)
1. a kind of radioactivity basin deposit sampler, it is characterised in that: including sampling bowl (1), shear shank (5), cylinder (12)
And connector；Sampling bowl (1) is closed by two and half bowl structures to be formed, and shear shank (5) front end is fixedly connected with sampling bowl (1), after
End is connect by connector with cylinder (12).
2. a kind of radioactivity basin deposit sampler as described in claim 1, it is characterised in that: the sampling bowl (1) is adopted
It is engaged with angle.
3. a kind of radioactivity basin deposit sampler as claimed in claim 2, it is characterised in that: the sampling bowl (1) sets
It is equipped with overflow port, for flowing out waste liquid.
4. any radioactivity basin deposit sampler as described in claim 1-3, it is characterised in that: the shear shank
(5) scissors bar (5.1) includes the two-arm to cross one another, and two-arm front end is connect with two and half bowl structures of sampling bowl (1) respectively,
It is machined with guide groove (5.2) on two-arm rear end, is connected for the push top (7) with cylinder-driven bar.
5. a kind of radioactivity basin deposit sampler as claimed in claim 4, it is characterised in that: the shear shank (5)
Front end is provided with reset spring (2).
6. a kind of radioactivity basin deposit sampler as claimed in claim 4, it is characterised in that: the scissors bar (5.1)
Two-arm " X " type is fixed by nut (3) and shear shank pin (4).
7. a kind of radioactivity basin deposit sampler as claimed in claim 6, it is characterised in that: the shear shank pin
It (4) is taper.
8. a kind of radioactivity basin deposit sampler as claimed in claim 4, it is characterised in that: the connector includes pushing away
Head (7), push top (7) front end are inserted into the guide groove (5.2) of shear shank (5), and rear end is connect with cylinder (12), is passed through cylinder (12)
It is flexible successively to drive push top (7), shear shank (5) and sampling bowl (1) movement.
9. a kind of radioactivity basin deposit sampler as claimed in claim 8, it is characterised in that: the connector further includes
Connecting rod (6), connecting tube (18), end cap (14) and quick coupling (15), connecting rod (6) front end connect shear shank (5) two-arm and hand over
Crunode, rear end are connected with tubular connecting tube (18), and cylinder (12) is located in connecting tube (18) cavity, and connecting tube (18) rear end is successively
End cap (14) and quick coupling (15) are installed.
10. a kind of application method of radioactivity basin deposit sampler as claimed in claim 9, it is characterised in that successively wrap
Include following steps:
Step 1. determines the length of preceding tracheae (10) and rear tracheae (11) according to basin tank body depth, will by quick coupling (15)
One end is connected on cylinder (12), and the other end connects external impetus control valve and air compressor；
Step 2. confirmation sampling bowl (1) is in closed state, and Spent Radioactive liquid storage tank deposit sampler is then made to pass through shielding
Transfer vessel is slowly drop down to inside basin through instrumentation thimble；
Step 3. operates the power control unit of air compressor, opens the sampling bowl of sampling head front end；
Step 4. slowly declines sampling head, until the sampling bowl of sampling head front end touches bottom settlings object, passes through preceding tracheae
(10) and rear tracheae (11) is downwardly applied to pressure, enters deposit by video system observation sampling bowl (1) cutting edge in basin；
Step 5. operates power control unit, is closed sample bowl (1), as deposit surface has waste liquid to pass through sampling bowl
(1) waste liquid is discharged in the overflow port on；
Step 6. site operation personnel slowly extracts Spent Radioactive liquid storage tank deposit sampler, reach a certain height and successively removes
Upper sleeve reaches shielding transfer vessel, it is ensured that Spent Radioactive liquid storage tank deposit sampler is whole in shielding transfer vessel；
The quick coupling (15) of step 7. disengagement collar and Spent Radioactive liquid storage tank deposit sampler, makes Spent Radioactive liquid storage tank
Deposit sampler is integrally packed into shielding transfer vessel, in fast transfer to screening glove case, is operated in screening glove case
On platform, shielding transfer is opened, Spent Radioactive liquid storage tank deposit sampler is taken out, sampling bowl (1) is disengaged, sample is shifted
Into sample bottle, sampling is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336500.7A CN109470526B (en) | 2018-11-12 | 2018-11-12 | Sediment sampler for radioactive storage tank and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336500.7A CN109470526B (en) | 2018-11-12 | 2018-11-12 | Sediment sampler for radioactive storage tank and application method thereof |
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| CN109470526B CN109470526B (en) | 2024-03-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014152A (en) * | 2019-05-29 | 2020-12-01 | 天津大学 | Pipeline sediment undisturbed sampler and sampling method thereof |
| CN114878235A (en) * | 2022-06-14 | 2022-08-09 | 长沙海纳光电科技有限公司 | Cement paste sampler |
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| CN112014152A (en) * | 2019-05-29 | 2020-12-01 | 天津大学 | Pipeline sediment undisturbed sampler and sampling method thereof |
| CN114878235A (en) * | 2022-06-14 | 2022-08-09 | 长沙海纳光电科技有限公司 | Cement paste sampler |
| CN114878235B (en) * | 2022-06-14 | 2023-08-22 | 长沙海纳光电科技有限公司 | Cement paste sampler |
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