CN109850408A - A kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing - Google Patents
A kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing Download PDFInfo
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- CN109850408A CN109850408A CN201811624005.6A CN201811624005A CN109850408A CN 109850408 A CN109850408 A CN 109850408A CN 201811624005 A CN201811624005 A CN 201811624005A CN 109850408 A CN109850408 A CN 109850408A
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- staving
- bung
- transfer container
- loose joint
- mechanical seal
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Abstract
The present invention relates to a kind of transfer containers of nuclear reactor Main Coolant pump mechanical sealing, including staving, barrel liner, drainage spherical valve, bung, collar nut, loose joint bolt, shackle and handle；The staving is divided into three layers from outside to inside, wherein first and third layer is made for stainless-steel sheet welding, the second layer is stereotype interlayer；Barrel liner is inlayed in the inside of staving；12 equally distributed loose joint bolt mounting plates are equipped in the outside on staving top, loose joint bolt are installed on staving loose joint mounting plate, then collar nut is mounted on loose joint bolt.Effective protection mechanical sealing parts of the present invention.It is protected using stainless steel barrel body case, effectively avoids mechanical sealing parts of damaging in transport process；Reduce operating personnel's collective dose.Increase lead layer in staving surrounding stainless steel interlayer and effectively shield high dose mechanical seal radiation dose rate about 80% or so, reduces personnel's irradiation dose.
Description
Technical field
The invention belongs to the maintenance of nuclear reactor nuclear leve pump, radiation protection technique field, and in particular to a kind of nuclear reactor master
The transfer container of coolant pump mechanical seal.
Background technique
Nuclear reactor main coolant pump (referred to as " main pump ") sealing is the machinery for preventing from pumping interior radioactivity coolant leakage
Sealing device, the quality of performance directly affect the safe and reliable operation of entire nuclear reactor, thus mechanical seal periodically more
Changing inspection is that the maintenance of reloading of the annual unit of nuclear power plant must do project.Main pump mechanical seal each component cooperation precision is high, involve great expense,
Surface has compared with high radioactivity, therefore higher to the technology and skill requirement of service personnel's implementation mechanical seal replacing.
It needs to realize across workshop transport using mechanical seal transfer container in mechanical sealing assembly maintenance process, is mechanical seal
A most important ring in service work.Current mechanical sealing means of transportation has the disadvantage that 1, mechanical seal maintenance operating area
Narrow space, lift transport process in there are the larger risks damaged of component；2, equipment internal residual is high when mechanical seal is transported
Radiating medium, there are contamination and personnel's risk of contamination；3, in mechanical seal transportational process shake may cause component it
Between match resultant displacement, seriously affect equipment assembling quality, or even do over again and re-assembly；4, mechanical seal maintenance operation belongs to anti-foreign matter
1 grade, it may cause the foreign matters such as dust, clast in transport process and enter inside equipment, be unsatisfactory for anti-foreign matter control management and require sternly
Ghost image rings equipment assembling quality；5, mechanical seal removes rear surface and has high radioactivity, leads to entire transport process operating personnel
Radioactive dose is larger.Therefore, be badly in need of a kind of new type carting container guarantee equipment be not damaged, reduce operating personnel's radioactive dose,
Meet the anti-foreign matter control requirement of site examining and repairing, install convenient improves transfer efficiency.
Summary of the invention
It is an object of the invention to: the transfer container by inventing a kind of nuclear reactor Main Coolant pump mechanical sealing, it should
Container can satisfy the demand of main pump mechanical seal transhipment, reduce risk of damaging, the contamination risk, Ren Yuanzhan of mechanical seal
Waste air danger etc., and have the characteristics that safely, conveniently and reduce operating personnel's collective radiation dosage.
Technical scheme is as follows: a kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing, including bucket
Body, barrel liner, drainage spherical valve, bung, collar nut, loose joint bolt, shackle and handle；
The staving is divided into three layers from outside to inside, wherein first and third layer is made for stainless-steel sheet welding, the second layer
For stereotype interlayer；Barrel liner is inlayed in the inside of staving；
12 equally distributed loose joint bolt mounting plates are equipped in the outside on staving top, are pacified on staving loose joint mounting plate
Loose joint bolt is filled, then collar nut is mounted on loose joint bolt；
The stainless steel tube communicated with inside is welded in the outside of staving bottom, is equipped on stainless steel tube top and dredges together
Water polo valve；It is equipped with silk plug in the downstream of drainage spherical valve, for residual medium outflow after preventing drainage spherical valve from failing；
The bung, it is consistent with the material structure layering of staving；The exhaust steel communicated with inside is welded at top
Pipe is vented on steel pipe and is threadedly coupled hexagonal pipe cap；Two shackles are symmetrically arranged at left and right sides of hexagonal pipe cap at the top of the bung, it is preceding
Two sides are symmetrically arranged with two handles afterwards；12 loose joint bolts hole are equipped at bung border edge, with the loose joint bolt position on staving
It sets and matches, be fixed bung and staving for loose joint bolt；It is equipped with cover lining in the bottom of bung, is directly embedded in bung
It is interior and be fixed using self-tapping screw.
Further, the stainless-steel sheet is meeting for 304 stainless-steel sheets for increasing staving intensity itself
Effective protection mechanical seal is damaged while handling machinery seal load, is easy to wipe after the smooth contamination radiating medium in surface
Cleaning, is also used to shielded segment radiation factor.
Further, the stereotype interlayer is mainly used for effective radiation-screening factor, and scene uses 3mm stereotype interlayer,
To reduce radiation dose rate about 80%.
Further, the cover lining and barrel liner, material are polypropylene, for protecting the outer surface of mechanical seal, are had
The risk that effect reduces mechanical seal surface scratching, damages；It cannot horizontal in staving and up-down vibration when mechanical seal is transported
Or shake, it is desirable that the damage that bite can effectively protect mechanical seal such as occurs for the fit clearance < 0.67mm with staving；Furthermore it is light
Just it and is easily changed.
Further, the drainage spherical valve, the possible residual fraction high radioactivity medium in inside when because of mechanical seal maintenance,
Transfer container staving bottom may be remained in transport process, therefore be equipped with groove in the bottom of barrel liner and pass through drainage spherical valve, passed through
Drainage spherical valve facilitates discharge to collect.
Further, the collar nut and loose joint bolt are torn open for fixing staving and bung using this fixed form
When unloading installation transfer container bung, convenient and efficient.
Further, the shackle, suspension centre when for lifting effectively evade that suspension centre is lack of standardization to cause transfer container askew
Risk that is oblique or falling off.
Further, the handle, for dismantling, installing convenient carrying when bung, when preventing disassembly, installation bung
The unexpected generation for causing personnel or article to damage, injuring by a crashing object.
Further, the six square tube caps, for the exhaust inside staving；Prevent the fit clearance because of bung and staving
It is smaller, inside gas collection when installation, the problem of causing bung installation laborious or can not be installed in place.
A kind of application method of the transfer container of nuclear reactor Main Coolant pump mechanical sealing of the present invention, feature
It is:
Step 1, it can be manually rotated the collar nut for unclamping bung surrounding, bung separated with staving；
Step 2, using absolute alcohol or acetone etc. to being wiped and cleaned inside staving and bung；
Step 3, it is directly slowly hung in in staving after site examining and repairing mechanical seal is split out, because of mechanical seal and polypropylene
Liner fit clearance is smaller, and need to carefully place prevents bite；Confirmation drainage spherical valve is turned off before placing；
Step 4, bung is slowly hung on staving, hand Screw installs all collar nuts of bung surrounding；
Step 5, transfer container is integrally transported to maintenance workshop containing mechanical seal；
Step 6, drainage spherical valve is slowly opened, by residual high radioactivity medium discharge；
Step 7, mechanical seal Integral lifting will be overhauled to carrying out decontamination between supersonic wave decontamination by opening bung；
Step 8, staving internal residual medium is wiped；
Step 9, same mode is transported to operation field after the completion of mechanical seal Disintegration overhaul；
Step 10, it is placed on storage area after cleaning, is used to next time, work terminates.
Remarkable result of the invention is: satisfactorily completing the maintenance of 8 heap year main pump machines envelope using the invention device.This
Invention mainly has the advantage that
1) effective protection mechanical sealing parts.It is protected using stainless steel barrel body case, is effectively avoided in transport process
It damages mechanical sealing parts.
2) operating personnel's collective dose is reduced.Increase lead layer in staving surrounding stainless steel interlayer and effectively shields high dose machine
Tool seals radiation dose rate about 80% or so, reduces personnel's irradiation dose.
3) foreign matter risk is effectively avoided.There are serious foreign matters to enter risk (such as in exposed mechanical seal transport process
Dust, ground loose fines, suspender loose fines etc.), the foreign matter reduced in transportational process enters risk.
4) assembling quality of mechanical sealing parts is effectively ensured.Such as the shaking or vibration of vehicle during transportation, it can
Component centre bit shifting etc. up and down can be caused, the design of staving liner gap is smaller, it can be effectively ensured original to avoid this problem
Assembling quality.
5) contamination and personnel's risk of contamination are reduced.Internal residual high radioactivity system media when mechanical seal maintenance,
It is higher using the unrestrained risk of plastic cloth package residual medium when no transfer container transports, while may cause personnel's contamination, it uses
Transfer container can effectively avoid.
6) easy to use efficient.Bung and staving fixed form are consolidated using loose joint bolt and collar nut combining form
Fixed, without using spanner in use process, directly can be manually rotated collar nut can be completed elastic operation and safe and reliable, effectively
Improve working efficiency.
7) it reduces and generates radioactive waste.It needs to carry out using multilayers such as plastic clothes (band) in no transfer container transportational process
Protection, and need repeatedly to wrap up protection in entire maintenance process, generate a large amount of radioactive waste rubbish；Transfer container can weigh
It is multiple to utilize (if when higher using 6-8 period polypropylene liner predose directly more changeable liner), radiation can be effectively reduced
Property waste generate.
It is using remarkable result of the invention: directly reduces personnel's radioactive dose in the entire transportational process of single operation
80% or so；Contamination is effectively reduced and personnel stain event；It ensures assembling quality, reduces radioactive waste, selects annular
Nut meets the needs of main pump mechanical seal maintenance transhipment using more convenient and efficient etc..The present invention is to colleague's power plant's main pump machine
The transfer container of tool sealing has reference.By changing sizes and collar nut and the loose joint spiral shells such as staving, bushing, lead layer
The mounting means etc. of bolt can be used for the transfer containers such as a variety of nuclear leve pumps and valve.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the transfer container of nuclear reactor Main Coolant pump mechanical sealing of the present invention
Figure；
Fig. 2 is the structural schematic diagram of bung；
Fig. 3 is the structural schematic diagram of cover lining and barrel liner；
In figure: 1. hexagonal pipe caps, 2. bungs, 3. shackles, 4. collar nuts, 5. loose joint bolts, 6. cover linings, 7. barrel liners, 8.
Drainage spherical valve, 9. silk plugs, 10. handles.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is to a kind of nuclear reactor Main Coolant pump mechanical sealing of the present invention
Transfer container be described in further detail.
As shown in Figure 1-3, a kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing, including staving, barrel liner 7,
Drainage spherical valve 8, bung 2, collar nut 4, loose joint bolt 5, shackle 3 and handle 10；
The staving is divided into three layers from outside to inside, wherein first and third layer is made for stainless-steel sheet welding, the second layer
For stereotype interlayer；Barrel liner 7 is inlayed in the inside of staving；
12 equally distributed loose joint bolt mounting plates are equipped in the outside on staving top, are pacified on staving loose joint mounting plate
Loose joint bolt 5 is filled, then collar nut 4 is mounted on loose joint bolt 5；
The stainless steel tube communicated with inside is welded in the outside of staving bottom, is equipped on stainless steel tube top and dredges together
Water polo valve 8；It is equipped with silk plug 9 in the downstream of drainage spherical valve 8, for residual medium outflow after preventing drainage spherical valve 8 from failing；
The bung 2, it is consistent with the material structure layering of staving；The exhaust steel communicated with inside is welded at top
Pipe is vented on steel pipe and is threadedly coupled hexagonal pipe cap 1；Two shackles are symmetrically arranged in the left and right sides of 2 top hexagonal pipe cap 1 of bung
3, front and rear sides are symmetrically arranged with two handles 10；12 loose joint bolts hole are equipped at 2 border edge of bung, with the loose joint on staving
5 position of bolt matches, and is fixed bung 2 with staving for loose joint bolt 5；It is equipped with cover lining 6 in the bottom of bung 2, directly
It connects and is embedded in bung 2 and is fixed using self-tapping screw.
Further, the stainless-steel sheet is meeting for 304 stainless-steel sheets for increasing staving intensity itself
Effective protection mechanical seal is damaged while handling machinery seal load, is easy to wipe after the smooth contamination radiating medium in surface
Cleaning, is also used to shielded segment radiation factor.
Further, the stereotype interlayer is mainly used for effective radiation-screening factor, and scene uses 3mm stereotype interlayer,
To reduce radiation dose rate about 80%.
Further, the cover lining 6 and barrel liner 7, material are polypropylene, for protecting the outer surface of mechanical seal,
The risk that mechanical seal surface scratching is effectively reduced, damages；It cannot horizontal in staving and vibration up and down in mechanical seal transhipment
Dynamic or shaking, it is desirable that the damage that bite can effectively protect mechanical seal such as occurs for the fit clearance < 0.67mm with staving；Furthermore
It is lightweight and easy to replace.
Further, the drainage spherical valve 8, inside may residual fraction high radioactivity Jie when because of mechanical seal maintenance
Matter may remain on transfer container staving bottom in transport process, therefore be equipped with groove in the bottom of barrel liner 7 and pass through drainage spherical valve 8,
Discharge is facilitated to collect by drainage spherical valve 8.
Further, the collar nut 4 and loose joint bolt 5, for fixing staving and bung 2, using this fixation side
When formula disassembly installation transfer container bung 2, convenient and efficient.
Further, the shackle 3, suspension centre when for lifting, effectively evade that suspension centre is lack of standardization to cause transfer container
Skew or the risk to fall off.
Further, the handle 10 prevents disassembly, installation bucket for dismantling, installing convenient carrying when bung 2
The unexpected generation for causing personnel or article to damage when lid 2, injuring by a crashing object.
Further, the six square tube caps 1, for the exhaust inside staving；It prevents because between bung 2 and the cooperation of staving
Gap is smaller, inside gas collection when installation, causes bung 2 to install laborious or the problem of can not be installed in place.
A kind of application method of the transfer container of nuclear reactor Main Coolant pump mechanical sealing of the present invention, feature
It is:
Step 1, it can be manually rotated the collar nut 4 for unclamping 2 surrounding of bung, bung 2 separated with staving；
Step 2, using absolute alcohol or acetone etc. to being wiped and cleaned inside staving and bung 2；
Step 3, it is directly slowly hung in in staving after site examining and repairing mechanical seal is split out, because of mechanical seal and polypropylene
Liner fit clearance is smaller, and need to carefully place prevents bite；Confirmation drainage spherical valve 8 is turned off before placing；
Step 4, bung 2 is slowly hung on staving, hand Screw installs all collar nuts 4 of 2 surrounding of bung；
Step 5, transfer container is integrally transported to maintenance workshop containing mechanical seal；
Step 6, drainage spherical valve 8 is slowly opened, by residual high radioactivity medium discharge；
Step 7, mechanical seal Integral lifting will be overhauled to carrying out decontamination between supersonic wave decontamination by opening bung 2；
Step 8, staving internal residual medium is wiped；
Step 9, same mode is transported to operation field after the completion of mechanical seal Disintegration overhaul；
Step 10, it is placed on storage area after cleaning, is used to next time, work terminates.
Claims (10)
1. a kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing, it is characterised in that: including staving, barrel liner (7), dredge
Water polo valve (8), bung (2), collar nut (4), loose joint bolt (5), shackle (3) and handle (10)；
The staving is divided into three layers from outside to inside, wherein first and third layer is made for stainless-steel sheet welding, the second layer is lead
Plate interlayer；Barrel liner (7) are inlayed in the inside of staving；
12 equally distributed loose joint bolt mounting plates are equipped in the outside on staving top, installs and lives on staving loose joint mounting plate
Connecting bolt (5), then collar nut (4) is mounted on loose joint bolt (5)；
The stainless steel tube communicated with inside is welded in the outside of staving bottom, is equipped with hydrophobic ball together on stainless steel tube top
Valve (8)；Silk plug (9) are equipped in the downstream of drainage spherical valve (8), for residual medium outflow after preventing drainage spherical valve (8) from failing；
The bung (2), it is consistent with the material structure layering of staving；The exhaust steel communicated with inside is welded at top
Pipe is vented on steel pipe and is threadedly coupled hexagonal pipe cap (1)；Two are symmetrically arranged at left and right sides of bung (2) top hexagonal pipe cap (1)
A shackle (3), front and rear sides are symmetrically arranged with two handles (10)；12 loose joint bolts hole are equipped at bung (2) border edge, with
Loose joint bolt (5) position on staving matches, and is fixed bung (2) with staving for loose joint bolt (5)；In bung
(2) bottom is equipped with cover lining (6), is directly embedded in bung (2) and is fixed using self-tapping screw.
2. a kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing as described in claim 1, it is characterised in that: institute
The stainless-steel sheet stated is meeting handling machinery seal load for increasing staving intensity itself for 304 stainless-steel sheets
Effective protection mechanical seal simultaneously is damaged, and is easy to wipe cleaning after the smooth contamination radiating medium in surface, is also used to shielding part
Divide radiation factor.
3. a kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing as described in claim 1, it is characterised in that: institute
The stereotype interlayer stated is mainly used for effective radiation-screening factor, and scene uses 3mm stereotype interlayer, to reduce radiation dose rate about
80%.
4. a kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing as described in claim 1, it is characterised in that: institute
The cover lining (6) and barrel liner (7), material stated are polypropylene, and for protecting the outer surface of mechanical seal, mechanical seal is effectively reduced
Surface scratching, the risk damaged；It cannot be horizontal in staving in mechanical seal transhipment and vibrate up and down or shakes, it is desirable that with bucket
The damage that bite can effectively protect mechanical seal such as occurs for the fit clearance < 0.67mm of body；Furthermore it is lightweight and easy to replace.
5. a kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing as described in claim 1, it is characterised in that: institute
The drainage spherical valve (8) stated, when because of mechanical seal maintenance inside may residual fraction high radioactivity medium, may be residual in transport process
It stays in transfer container staving bottom, therefore is equipped with groove in the bottom of barrel liner (7) and passes through drainage spherical valve (8), pass through drainage spherical valve (8)
Discharge is facilitated to collect.
6. a kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing as described in claim 1, it is characterised in that: institute
The collar nut (4) and loose joint bolt (5) stated dismantle installation transhipment using this fixed form for fixing staving and bung (2)
When container barrel lid (2), convenient and efficient.
7. a kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing as described in claim 1, it is characterised in that: institute
The shackle (3) stated, suspension centre when for lifting effectively evade the suspension centre risk lack of standardization for causing transfer container skew or falling off.
8. a kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing as described in claim 1, it is characterised in that: institute
The handle (10) stated prevents disassembly, installation bung (2) Shi Zaocheng personnel for dismantling, installing convenient carrying when bung (2)
Or the unexpected generation that article is damaged, injured by a crashing object.
9. a kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing as described in claim 1, it is characterised in that: institute
The six square tube caps (1) stated, for the exhaust inside staving；It prevents because bung (2) and the fit clearance of staving are smaller, when installation is interior
Portion's gas collection, the problem of causing bung (2) installation laborious or can not be installed in place.
10. a kind of application method of the transfer container of nuclear reactor Main Coolant pump mechanical sealing as described in claim 1,
It is characterized in that:
Step 1, it can be manually rotated the collar nut (4) for unclamping bung (2) surrounding, bung (2) separated with staving；
Step 2, it is wiped and cleaned using absolute alcohol or acetone etc. are internal to staving and bung (2)；
Step 3, it is directly slowly hung in in staving after site examining and repairing mechanical seal is split out, because of mechanical seal and polypropylene liner
Fit clearance is smaller, and need to carefully place prevents bite；Confirmation drainage spherical valve (8) is turned off before placing；
Step 4, bung (2) is slowly hung on staving, hand Screw installs all collar nuts of bung (2) surrounding (4)；
Step 5, transfer container is integrally transported to maintenance workshop containing mechanical seal；
Step 6, drainage spherical valve (8) slowly are opened, by residual high radioactivity medium discharge；
Step 7, mechanical seal Integral lifting will be overhauled to carrying out decontamination between supersonic wave decontamination by opening bung (2)；
Step 8, staving internal residual medium is wiped；
Step 9, same mode is transported to operation field after the completion of mechanical seal Disintegration overhaul；
Step 10, it is placed on storage area after cleaning, is used to next time, work terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624005.6A CN109850408A (en) | 2018-12-28 | 2018-12-28 | A kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624005.6A CN109850408A (en) | 2018-12-28 | 2018-12-28 | A kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing |
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| CN109850408A true CN109850408A (en) | 2019-06-07 |
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ID=66892882
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| CN201811624005.6A Pending CN109850408A (en) | 2018-12-28 | 2018-12-28 | A kind of transfer container of nuclear reactor Main Coolant pump mechanical sealing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111667931A (en) * | 2020-05-08 | 2020-09-15 | 福建福清核电有限公司 | Reactor pressure vessel neutron flux measurement channel seal assembly and replacement method thereof |
| CN112927856A (en) * | 2021-01-22 | 2021-06-08 | 四川核保锐翔科技有限责任公司 | Nuclear pollution cable recycling shielding barrel device |
| CN114435737A (en) * | 2020-10-30 | 2022-05-06 | 联华气体工业股份有限公司 | Steel cylinder leakage treatment equipment |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201372671Y (en) * | 2008-12-02 | 2009-12-30 | 陈红英 | Safety escort box |
| CN201698778U (en) * | 2010-01-26 | 2011-01-05 | 西北核技术研究所 | High integrated nuclear waste disposing device |
| US20110150164A1 (en) * | 2009-12-16 | 2011-06-23 | Singh Krishna P | Method of transferring high level radionactive materials, and system for the same |
| CN102243899A (en) * | 2011-06-28 | 2011-11-16 | 中国原子能科学研究院 | Nuclear fuel element transfer container special for neutron photography nondestructive detection |
| CN203070793U (en) * | 2013-01-14 | 2013-07-17 | 上海核工程研究设计院 | Shielding transfer device for transporting radioactive waste resin |
| CN203544771U (en) * | 2013-09-29 | 2014-04-16 | 山耐斯气动液压(磐安)有限公司 | Nail polish charging bucket |
| JP2015064306A (en) * | 2013-09-26 | 2015-04-09 | 日立Ｇｅニュークリア・エナジー株式会社 | Spent nuclear fuel assembly transport method and spent nuclear fuel assembly transport cask |
| US20160196887A1 (en) * | 2010-08-12 | 2016-07-07 | Holtec International | System for storing high level radioactive waste |
| CN207566116U (en) * | 2017-09-27 | 2018-07-03 | 珠海澳盈生物科技有限公司 | A kind of egg oil storage tank of good seal |
| CN108511097A (en) * | 2018-04-12 | 2018-09-07 | 张广清 | A kind of nuclear radiation shield bucket filling splicer's skill |
| CN209814794U (en) * | 2018-12-28 | 2019-12-20 | 福建福清核电有限公司 | Transferring container for mechanical seal of main coolant pump of nuclear reactor |
-
2018
- 2018-12-28 CN CN201811624005.6A patent/CN109850408A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201372671Y (en) * | 2008-12-02 | 2009-12-30 | 陈红英 | Safety escort box |
| US20110150164A1 (en) * | 2009-12-16 | 2011-06-23 | Singh Krishna P | Method of transferring high level radionactive materials, and system for the same |
| CN201698778U (en) * | 2010-01-26 | 2011-01-05 | 西北核技术研究所 | High integrated nuclear waste disposing device |
| US20160196887A1 (en) * | 2010-08-12 | 2016-07-07 | Holtec International | System for storing high level radioactive waste |
| CN102243899A (en) * | 2011-06-28 | 2011-11-16 | 中国原子能科学研究院 | Nuclear fuel element transfer container special for neutron photography nondestructive detection |
| CN203070793U (en) * | 2013-01-14 | 2013-07-17 | 上海核工程研究设计院 | Shielding transfer device for transporting radioactive waste resin |
| JP2015064306A (en) * | 2013-09-26 | 2015-04-09 | 日立Ｇｅニュークリア・エナジー株式会社 | Spent nuclear fuel assembly transport method and spent nuclear fuel assembly transport cask |
| CN203544771U (en) * | 2013-09-29 | 2014-04-16 | 山耐斯气动液压(磐安)有限公司 | Nail polish charging bucket |
| CN207566116U (en) * | 2017-09-27 | 2018-07-03 | 珠海澳盈生物科技有限公司 | A kind of egg oil storage tank of good seal |
| CN108511097A (en) * | 2018-04-12 | 2018-09-07 | 张广清 | A kind of nuclear radiation shield bucket filling splicer's skill |
| CN209814794U (en) * | 2018-12-28 | 2019-12-20 | 福建福清核电有限公司 | Transferring container for mechanical seal of main coolant pump of nuclear reactor |
Non-Patent Citations (1)
| Title |
|---|
| 张亚婷;: "核电站硼回收系统循环泵机械密封泄漏故障分析与处理", 水泵技术, no. 03, pages 51 - 52 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111667931A (en) * | 2020-05-08 | 2020-09-15 | 福建福清核电有限公司 | Reactor pressure vessel neutron flux measurement channel seal assembly and replacement method thereof |
| CN114435737A (en) * | 2020-10-30 | 2022-05-06 | 联华气体工业股份有限公司 | Steel cylinder leakage treatment equipment |
| CN112927856A (en) * | 2021-01-22 | 2021-06-08 | 四川核保锐翔科技有限责任公司 | Nuclear pollution cable recycling shielding barrel device |
| CN112927856B (en) * | 2021-01-22 | 2022-09-13 | 四川核保锐翔科技有限责任公司 | Nuclear pollution cable recycling shielding barrel device |
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