CN208743304U - Cobalt isotope transports outward container and rinses environmental control system - Google Patents
Cobalt isotope transports outward container and rinses environmental control system Download PDFInfo
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- CN208743304U CN208743304U CN201820969447.3U CN201820969447U CN208743304U CN 208743304 U CN208743304 U CN 208743304U CN 201820969447 U CN201820969447 U CN 201820969447U CN 208743304 U CN208743304 U CN 208743304U
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- high pressure
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- shielding curtain
- main pipe
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Abstract
The utility model belongs to nuclear power station high-level radioactive waste technical field; environmental control system is rinsed more particularly to a kind of cobalt isotope outward transport container; when purpose is to develop the water outlet of a set of cobalt isotope shielded coffin; by to the comprehensive flushing of container; by the high radiation hot spot for being adsorbed on vessel surface and loose contamination under the flushing of high pressure demineralized water; corresponding high radioactivity hot spot and loose contamination can be rinsed; simultaneously under the protection of matched water-proof curtain, effective protection staff and power house environment.It is characterized by: it includes Water shielding curtain bracket, Water shielding curtain, suspender belt, high pressure desalination (operating) water nozzle, high pressure demineralized water main pipe, bracket and mounting base.The utility model is easy to use, washes off highly exothermic point and loose contamination is good, and staff is avoided to receive the risk of unexpected dosage irradiation, it is ensured that operator is safe and in effective protection power house environment, meets power station use and has suffered production cobalt isotope in the phase in longevity.
Description
Technical field
The utility model belongs to nuclear power station high-level radioactive waste technical field, and in particular to a kind of cobalt isotope outward transport
Container rinses environmental control system.
Background technique
Two heavy water reactor units of Qinshan Phase II NPP can also produce cobalt isotope, but cobalt isotope is raw other than normal power generation
It produces by underwater operation equipment, one section cobalt isotope of a section is packed into hanging basket, then will transport outward shielded coffin again, is declined
To spentnuclear fuel bottom of pond, the cobalt isotope equipped with hanging basket is loaded into shielded coffin by sequence of operations, by container screen
Sealing in place is blocked, then container is hung out into pond and is transferred to outside, waits readys for delivery.But shielded coffin outer surface is in spentnuclear fuel
Pond, which attaches some high radiation hot spots and loose contamination, to be existed, and such as washes off hot spot not in time, will lead to staff by
Radio exposure and loose contamination diffusion, exist in view of factors above, need to open development one and emerge in container and just open
Beginning is rinsed whole container with high pressure demineralized water, and after high pressure washing, highly exothermic point and loose contamination are rinsed in high pressure water
Under, all follow high pressure demineralized water to fall pond, thus avoid staff by high radiating irradiation and loose contamination not everywhere
Diffusion, in effect protection staff and power house environment.
Utility model content
The purpose of this utility model is that when developing the water outlet of a set of cobalt isotope shielded coffin, by entirely square to container
Position is rinsed, and the high radiation hot spot that will be adsorbed on vessel surface and loose contamination, can will corresponding height under the flushing of high pressure demineralized water
Hotspot of Radioactivity and loose contamination are rinsed, while under the protection of matched water-proof curtain, effective protection staff and workshop
Environment.
The utility model is realized in this way:
A kind of cobalt isotope outward transport container flushing environmental control system, including Water shielding curtain bracket, Water shielding curtain, suspender belt, high pressure are removed
Brine-spray nozzle, high pressure demineralized water main pipe, bracket and mounting base；Mounting base is fixed on Spent Fuel Pool side, for realizing right
In the fixation of high pressure demineralized water main pipe and bracket；The lower end of bracket is fixed on mounting base, for realizing for Water shielding curtain branch
The fixation of frame；Water shielding curtain bracket is fixed on the left end of bracket, for installing Water shielding curtain；Water shielding curtain is sleeved on Water shielding curtain bracket,
For being shielded for Co 60 shipping container flushing process；The right end of high pressure demineralized water main pipe is fixed on mounting base, is used
In transferring high voltage demineralized water；Suspender belt is mounted on the upper end of Co 60 shipping container, for realizing the lifting for Co 60 shipping container；
High pressure desalination (operating) water nozzle is arranged on the inner wall of high pressure demineralized water main pipe, for spraying high pressure demineralized water.
Water shielding curtain as described above is generally annular, is highly greater than the height of Co 60 shipping container.
Water shielding curtain bracket as described above generally annular frame structure, is folded by the consistent circular ring shape of upper and lower two sizes
Add composition, the circular ring shape diameter is greater than Co 60 shipping container diameter；By the way that Water shielding curtain bracket is arranged, realize for Water shielding curtain
It is fixed, guarantee water blocking effect.
High pressure demineralized water main pipe generally cirque structure, right end as described above is connected with control valve, passes through control
Valve connects high-pressure hydraulic pump；Eight mounting holes are evenly equipped in the inner side end of high pressure demineralized water main pipe, for installing high pressure desalination
(operating) water nozzle；The outer diameter of high pressure demineralized water main pipe is one-half inch, and inside is used for the circulation of high pressure demineralized water.
The outer diameter of high pressure demineralized water main pipe as described above is one-half inch, and inside is used for the stream of high pressure demineralized water
It is logical.
Water shielding curtain bracket, suspender belt, high pressure desalination (operating) water nozzle, high pressure demineralized water main pipe, bracket and installation bottom as described above
Plate is all made of stainless steel material and is made, and Water shielding curtain is made of waterproof cloth material.
The beneficial effects of the utility model are:
The outward transport cask flask flushing environmental control system of cobalt isotope described in the utility model is safe and reliable, user
Just, it washes off highly exothermic point and loose contamination is good, avoid staff from receiving the risk of unexpected dosage irradiation, it is ensured that operation
Personnel safety and in effective protection power house environment, meets power station use and has suffered in the phase in longevity and produce cobalt isotope, and wound is identical both at home and abroad
Power station is similar to high-level waste storage equipment advanced level.
Detailed description of the invention
Fig. 1 is that the cobalt isotope outward transport container of the utility model rinses the structural schematic diagram of environmental control system；
Fig. 2 is that the cobalt isotope outward transport container of the utility model rinses the main view of environmental control system；
Fig. 3 is that the cobalt isotope outward transport container of the utility model rinses the top view of environmental control system.
Wherein: 1. Co 60 shipping containers, 2. Water shielding curtain brackets, 3. Water shielding curtains, 4. suspender belts, 5. high pressure desalination (operating) water nozzles, 6.
High pressure demineralized water main pipe, 7. brackets, 8. mounting bases.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2 and Figure 3, a kind of cobalt isotope outward transport container rinses environmental control system, including Water shielding curtain bracket
2, Water shielding curtain 3, suspender belt 4, high pressure desalination (operating) water nozzle 5, high pressure demineralized water main pipe 6, bracket 7 and mounting base 8.Mounting base 8 is solid
It is scheduled on Spent Fuel Pool side, for realizing the fixation for high pressure demineralized water main pipe 6 and bracket 7.The lower end of bracket 7 is fixed on peace
It fills on bottom plate 8, for realizing the fixation for Water shielding curtain bracket 2.Water shielding curtain bracket 2 is fixed on the left end of bracket 7, for installing
Water shielding curtain 3.Water shielding curtain 3 is sleeved on Water shielding curtain bracket 2, for shielding for 1 flushing process of Co 60 shipping container.High pressure
The right end of demineralized water main pipe 6 is fixed on mounting base 8, is used for transmission high pressure demineralized water.Suspender belt 4 is mounted on Co 60 shipping container
1 upper end, for realizing the lifting for Co 60 shipping container 1.High pressure desalination (operating) water nozzle 5 is arranged in high pressure demineralized water main pipe 6
Inner wall on, for spraying high pressure demineralized water.
Water shielding curtain 3 is generally annular, is highly greater than the height of Co 60 shipping container 1.It is realized by Water shielding curtain 3 for Co 60
Shipping container 1 is completely covered.
The generally annular frame structure of Water shielding curtain bracket 2 is made of, institute the consistent circular ring shape superposition of upper and lower two sizes
Circular ring shape diameter is stated greater than 1 diameter of Co 60 shipping container.By setting Water shielding curtain bracket 2, the fixation for Water shielding curtain 3 is realized,
Guarantee water blocking effect.
High pressure demineralized water main pipe 6 generally cirque structure, right end are connected with control valve, are connected by control valve high
Water pump.Eight mounting holes are evenly equipped in the inner side end of high pressure demineralized water main pipe 6, for installing high pressure desalination (operating) water nozzle 5.It is high
The outer diameter for pressing demineralized water main pipe 6 is one-half inch, and inside is used for the circulation of high pressure demineralized water.
In the present embodiment, Water shielding curtain bracket 2, suspender belt 4, high pressure desalination (operating) water nozzle 5, high pressure demineralized water main pipe 6, bracket 7
It is all made of stainless steel material with mounting base 8 to be made, Water shielding curtain 3 is made of waterproof cloth material.
The operating process of the utility model is as follows:
1. suspender belt 4 is connected with 1 lifting lug of Co 60 shipping container, one is added to be connected with workshop crane.
2. after container Spent Fuel Pool in place installs cobalt isotope, crane is promoted, container water outlet, movement is cleaned in annulus.
3. opening shelves cascade bracket 2, grade cascade 3 is put down.
4. starting high-pressure hydraulic pump, control valve is opened.
5. crane band container moves up and down in annulus, fills after washing a few hours, close high-pressure hydraulic pump and control valve.
6. packing up grade cascade 3, restore shelves cascade bracket 2.
7. Co 60 shipping container 1 is moved to pond side using crane.
The above is only the preferred embodiment of the utility model, is illustrated herein: the side based on the utility model principle
Method is improved and structural adjustment, all will be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of cobalt isotope outward transport container rinses environmental control system, it is characterised in that: it includes Water shielding curtain bracket (2), water blocking
Curtain (3), suspender belt (4), high pressure desalination (operating) water nozzle (5), high pressure demineralized water main pipe (6), bracket (7) and mounting base (8)；Bottom is installed
Plate (8) is fixed on Spent Fuel Pool side, for realizing the fixation for high pressure demineralized water main pipe (6) and bracket (7)；Bracket (7)
Lower end be fixed on mounting base (8), for realizing the fixation for Water shielding curtain bracket (2)；Water shielding curtain bracket (2) is fixed on
The left end of bracket (7), for installing Water shielding curtain (3)；Water shielding curtain (3) is sleeved on Water shielding curtain bracket (2), for transporting for Co 60
Defeated container (1) flushing process is shielded；The right end of high pressure demineralized water main pipe (6) is fixed on mounting base (8), is used for transmission
High pressure demineralized water；Suspender belt (4) is mounted on the upper end of Co 60 shipping container (1), for realizing hanging for Co 60 shipping container (1)
Dress；High pressure desalination (operating) water nozzle (5) is arranged on the inner wall of high pressure demineralized water main pipe (6), for spraying high pressure demineralized water.
2. cobalt isotope outward transport container according to claim 1 rinses environmental control system, it is characterised in that: the water blocking
Curtain (3) is generally annular, is highly greater than the height of Co 60 shipping container (1).
3. cobalt isotope outward transport container according to claim 1 rinses environmental control system, it is characterised in that: the water blocking
Curtain bracket (2) generally annular frame structure is made of the consistent circular ring shape superposition of upper and lower two sizes, and the circular ring shape is straight
Diameter is greater than Co 60 shipping container (1) diameter；By the way that Water shielding curtain bracket (2) are arranged, realize the fixation for Water shielding curtain (3), guarantee
Water blocking effect.
4. cobalt isotope outward transport container according to claim 1 rinses environmental control system, it is characterised in that: the high pressure
Demineralized water main pipe (6) generally cirque structure, right end are connected with control valve, connect high-pressure hydraulic pump by control valve；?
The inner side end of high pressure demineralized water main pipe (6) is evenly equipped with eight mounting holes, for installing high pressure desalination (operating) water nozzle (5)；High pressure is removed
The outer diameter of salt water main pipe (6) is one-half inch, and inside is used for the circulation of high pressure demineralized water.
5. cobalt isotope outward transport container according to claim 4 rinses environmental control system, it is characterised in that: the high pressure
The outer diameter of demineralized water main pipe (6) is one-half inch, and inside is used for the circulation of high pressure demineralized water.
6. the outward transport of cobalt isotope described in -5 any one container rinses environmental control system according to claim 1, it is characterised in that:
Water shielding curtain bracket (2), suspender belt (4), high pressure desalination (operating) water nozzle (5), high pressure demineralized water main pipe (6), bracket (7) and the installation
Bottom plate (8) is all made of stainless steel material and is made, and Water shielding curtain (3) is made of waterproof cloth material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820969447.3U CN208743304U (en) | 2018-06-22 | 2018-06-22 | Cobalt isotope transports outward container and rinses environmental control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820969447.3U CN208743304U (en) | 2018-06-22 | 2018-06-22 | Cobalt isotope transports outward container and rinses environmental control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208743304U true CN208743304U (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820969447.3U Active CN208743304U (en) | 2018-06-22 | 2018-06-22 | Cobalt isotope transports outward container and rinses environmental control system |
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| Country | Link |
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| CN (1) | CN208743304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672449A (en) * | 2018-06-22 | 2018-10-19 | 中核核电运行管理有限公司 | Cobalt isotope transports outward container and rinses environmental control system |
-
2018
- 2018-06-22 CN CN201820969447.3U patent/CN208743304U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672449A (en) * | 2018-06-22 | 2018-10-19 | 中核核电运行管理有限公司 | Cobalt isotope transports outward container and rinses environmental control system |
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