CN202289669U - Novel bag in-and-out structure for replacing filter for containment sump filter - Google Patents
Novel bag in-and-out structure for replacing filter for containment sump filter Download PDFInfo
- Publication number
- CN202289669U CN202289669U CN2011203338810U CN201120333881U CN202289669U CN 202289669 U CN202289669 U CN 202289669U CN 2011203338810 U CN2011203338810 U CN 2011203338810U CN 201120333881 U CN201120333881 U CN 201120333881U CN 202289669 U CN202289669 U CN 202289669U
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- filter
- bag
- special
- backstay
- lifting
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- 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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Abstract
A novel bag in-and-out structure for replacing a filter for a containment sump filter is characterized by comprising a hoisting block fixedly connected to an upper end cover of the filter and a special bag in-and-out appliance for replacing the containment sump filter, wherein the hoisting block adopts the structure of a circular truncated cone, a rectangular hole is formed in the upper end surface of the hoisting block, a concave cavity is arranged on the lower end surface of the hoisting block, a positioning slot is formed in the top surface of the concave cavity, and a pressure plate is assembled on the upper end surface of the hoisting block ; the special appliance comprises a hoisting rod, a positioning rod and a locking pipe, and a positioning pin matched with the positioning slot on the hoisting block is arranged at the lower end of the positioning rod. According to the device, the function of replacing the filter in a bag in-and-out way can be realized in the high radioactive environment, a worker can perform the operation by standing behind a protecting screen, the abandoned filter can be hoisted out from the device by means of hoisting, meanwhile, a new filter well sheathed with a plastic bag is enabled to be accurately located in the device along the vertical direction. The special appliance further has the function of locking the plastic bag on the filter, recycle is achieved, the amount of wastes is greatly reduced, and the operation cost is saved.
Description
Technical field
The utility model relates to nuclear engineering air purifying process field, and particularly a kind of sump filter device " bag advances bag and goes out " is changed the new structure of filter, is applicable to nuclear engineering melt pit air cleaning system.
Background technology
At present in the nuclear facilities air cleaning system, sump filter device " bag advances bag and goes out " is changed structure of filter, and the main problem that exists has: the feasibility that filter " bag advances bag and goes out " is changed is poor, seal structure complex, practical operation difficulty; Do not realize under highly active environment that also contactless " bag advances bag and goes out " changes the precedent of filter.
Summary of the invention
A kind of sump filter device " bag advances bag and goes out " that the utility model design problem that replacing exists to above-mentioned sump filter " bag advances bag and goes out " is just developed is changed the new structure of filter; The utility model can realize under highly active environment that " bag advance bag go out " change the function of filter, and simple to operate, good seal performance, operating environment are more safe and reliable.
The purpose of the utility model realizes through following technical scheme: a kind of sump filter device " bag advances bag and goes out " is changed the new structure of filter; The filter that comprises the special-purpose circular filter of melt pit and cooperate with this filter " bag advances bag and goes out " is changed special implement, and the special-purpose circular filter upper end cover of said melt pit is connected with the lifting piece, and the lifting piece is a frustum cone structure; Center, round platform upper surface offers rectangular through holes; The lower surface offers cavity, and the cavity end face is provided with locating slot, and the locating slot two ends are provided with spacer pin; Lifting piece periphery wall is provided with the groove around perisporium, and lifting piece upper surface is fitted with platen; Said filter is changed special implement and is comprised vertical loading board, backstay, locking pipe; The vertical loading board lower end is provided with screwed hole; Be used for connecting backstay; The locking pipe box is contained in backstay outside, and the internal thread of locking pipe upper end cooperates with the external screw thread on the backstay, and the backstay lower end is provided with and lifts the alignment pin that the locating slot of piece inner chamber end face is complementary.
The special-purpose circular filter upper end cover of melt pit is equipped with the lifting piece that the lifting filter is used, and is fitted with the O shape circle that is used for the banding polybag on the groove around lifting piece periphery wall; Lifting piece upper surface is fitted with platen, after platen is pushed down polybag, is lifting on the piece through screw attachment.
This special implement is connected through the lifting piece with filter.
Between the vertical loading board of this special implement and the backstay, all be connected between backstay and the locking pipe through engage thread; Be connected with the operation ring at vertical loading board on the pipe respectively with locking; The vertical loading board upper end is provided with lifting eye.
In the utility model, lifting block welding (or be connected with screw) is on the filter upper end cover, and plastic bag cover is on the filter that the lifting piece is being installed, and behind O type circle banding, platen compresses; The backstay of special implement stretches in the lifting piece, the locking of locking pipe, and the realization special implement connects with filter.
The utility model in use also needs to install mouthful installing at place at the device filter and puts one cylindraceous bag of sealing-in dish, and bag sealing-in dish outer wall offers the groove that multiple tracks is used to tie up polybag.
The method for using of the utility model structure is following:
1. being connected of polybag and filter and ground pit type filter for installation: oblong aperture is opened in new plastic bag bottom; Be enclosed within on the filter that the lifting piece is housed, oblong aperture on the corresponding lifting of the oblong aperture piece, then; The contact-making surface of platen and polybag is coated with fluid sealant; Push down polybag, use screw-driving, overlapped O shape circle banding polybag.The oral area of polybag is enclosed within on the bag sealing-in dish of device, and utilizes special-purpose band to tie up.
2. the installation of filter and replacing: it is inner that special implement is inserted the filter lifting piece that has overlapped polybag, behind the certain angle that turns clockwise, the alignment pin of special implement backstay bottom is stuck in the locating slot of lifting piece, tightens the locking pipe.Thus, this special implement has been realized being connected with filter, utilizes the factory building hoist lifting hook to catch on this utensil hole for hoist, and filter is placed in the device.Install.When changing filter, operating personnel carry out following operation after can standing in protecting screen: the old filter of slinging, and polybag wraps up filter; After the soldering and sealing, cut off from soldering and sealing, filter hangs in the pail for used dressings; Unclamp the locking pipe, realize the disengaging of special implement and old filter.
The main feature of the utility model is:
1. after this special implement can make operating personnel stand in protecting screen, put on protective gloves, replacing filter under strong radiation condition has really been realized contactless operation.Ensured operating personnel's safety.This utensil is the recycling part, and the operating cost of both having practiced thrift equipment has also reduced the nuclear waste amount.
2. " bag advance bag go out " novel plastic bag hermetically-sealed construction: polybag one end is fixed on the filter, and the other end is fixed on the bag sealing-in dish on the device flange.When device normally moved, polybag was the umbrella of handstand, and when changing filter, the filter of slinging, polybag are automatically with filter parcel, directly soldering and sealing.Realize isolated operation, prevented secondary pollution.
3. bag sealing-in dish is a drum; Be welded on the device flange; Its lateral wall is got on the bus and is shaped on rounding off " V word " the type groove of spacing distribution, depthkeeping moulding, and this kind structure makes polybag outboard dedicated strapping (or special-purpose bandage) be easy to tighten or tighten, locate slip-off preventing.
The advantage of the utility model is: this kind " bag advances bag and goes out " changed the filter new structure and broken through the limitation that traditional " bag advances bag and goes out " changes filter and plastic bag sealing structure.The mode that tradition " bag advance bag go out " is changed filter is: the working environment radioactivity is not high, and changes and be operating as the horizontal direction operation, and the staff imports and exports near the filter of device; When changing filter, at first unclamp hold-down mechanism, then the filter level is pulled out across polybag; Polybag is coated on the filter outside; With polybag soldering and sealing, to cut off in soldering and sealing place, the old filter of good seal is taken away by nuclear waste disposal; Get a new filter that has overlapped polybag, the openend of polybag is enclosed within the equipment annular ditch puts, and tie up with special-purpose band; To remain old polybag across the new plastic bag takes off; Soldering and sealing is cut away, after level pushes new filter, across polybag manual operation filter hold-down mechanism; Compress filter, replacing finishes.The difference that the sump filter device is changed filter " bag advances bag and goes out " operation is; Filter is placed on the workshop Horizon with on the sealing panel in the lower house; Filter is changed to be needed to take out or send into along vertical, has considered hot and the secondary pollution for bringing when preventing to change filter, when taking out or sending into filter, must adopt contactless operation to realize that bag advances bag and goes out; The staff puts on the lead gloves operation after must standing in portable protecting screen; Thus, design and develop the special-purpose circular filter of special implement and melt pit, realized the multi-functional of filter location, lifting and bag envelope.Make the probability that sump filter device filter " bag advance bag go out " has been realized that really operability, equipment sealing property are better, greatly reduced radioaerosol secondary pollution in the ventilating system, make the equipment operation maintenance personnel change that the process of filter is more easy, operating environment is safer reliable.
Description of drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the local location enlarged drawing of Fig. 1.
Fig. 3 is the full sectional view of lifting piece.
Fig. 4 is the A-A cutaway view of Fig. 3.
Fig. 5 is the vertical view of Fig. 3.
Fig. 6 is the upward view of Fig. 3.
Fig. 7 is the novel scheme of installation when equipment normally moves of this use.
Among the figure: 1. vertical loading board; 2. operation encircles I; 3. operation encircles II; 4. locking is managed; 5. backstay; 6. platen; 7.O shape circle; 8. lifting piece; 9. polybag; 10. filter; 11. alignment pin; 12. spacer pin; 13. rectangular through holes; 14. locating slot; 15. bag sealing-in dish.
The specific embodiment
The utility model further describes below in conjunction with accompanying drawing:
Shown in Fig. 1-7: the sump filter device of the utility model " bag advances bag and goes out " is changed the new structure of filter, and the filter that comprises the special-purpose circular filter of melt pit and cooperate with this filter " bag advances bag and goes out " is changed special implement, and the special-purpose circular filter upper end cover of said melt pit is connected with lifting piece 8; The lifting piece is a frustum cone structure; Center, round platform upper surface offers rectangular through holes 13, and the lower surface offers cavity, and the cavity end face is provided with locating slot 14; Spacer pin 12 is established at the locating slot two ends; Lifting piece periphery wall is provided with the groove around perisporium, and lifting piece 8 upper surfaces are fitted with platen 6, after the oblong aperture corresponding with lifting the piece upper surface opened in the polybag bottom that " bag advances bag and goes out " replacing filter is used; Be enclosed within on the filter; Oblong aperture is aimed at the rectangular through holes 13 of lifting piece, pushes down with platen 6 then, is lifting on the piece through screw attachment; Said filter is changed special implement and is comprised vertical loading board 2, backstay 5, locking pipe 4; The vertical loading board lower end is provided with screwed hole; Be used for connecting backstay; Locking pipe 4 is sleeved on backstay 5 outsides, and the internal thread of locking pipe upper end cooperates with the external screw thread on the backstay, and backstay 5 lower ends are provided with and lift the alignment pin 11 that the locating slot 14 of piece inner chamber end face is complementary.
On vertical loading board 1 and locking pipe 4, be connected with operation ring I respectively, operate the ring II, vertical loading board 1 upper end is provided with lifting eye.
Concrete annexation and operation sequence between each parts combine accompanying drawing to be described below:
Operation ring I is welded on the vertical loading board 1; Backstay 5 and vertical loading board 1 are through being threaded, and its length of fit scalable total height is regulated in the bearing pin location; Operation ring II is welded on the locking pipe 4; The internal thread of locking pipe cooperates with backstay 5, and rotary manipulation ring II can make this special implement and filter locking; Lifting piece 8 connects through securing member or is welded on the filter; After polybag 9 is enclosed within on the filter, compress with platen 6, screw is fastening, and encloses 7 banding polybags 9 with O shape.Fig. 7 can find out that behind special implement and the filter load facility, the openend of polybag is enclosed within on the bag sealing-in dish 15 that is welded on the vessel flange, and special implement is isolated by polybag, when changing filter, only needs to change filter, the special implement recycling.
The operating procedure that sump filter device " bag advances bag and goes out " is changed filter is summarized as follows:
Before system moves first, at first with the polybag of new filter suit bottom opening, compress (platen and polybag contact-making surface are coated with fluid sealant) with platen 6, screw is fastening; (during installation; The hole correspondence of noting polybag, lifting piece, platen three is good) then, the special implement that assembles is inserted in the filter lifting piece 8, behind the certain angle that turns clockwise; The operation that turns clockwise encircles II, makes this special use lifting utensil and filter locking; The other end of polybag 9 is enclosed within on the bag sealing-in dish 15 of device, polybag is fixed with special-purpose strapping (or special-purpose bandage); The hole for hoist that catches on this special use lifting utensil with the factory building hoist lifting hook is with in the filter load facility.
When the installed filters end-of-life need be changed in the equipment, the staff operated after standing in protecting screen as follows: hang out old filter with the factory building crane, polybag wraps up filter automatically; Sling behind the certain altitude,, cut off from soldering and sealing with polybag soldering and sealing; Old filter is put into pail for used dressings, hold special implement operation ring I, be rotated counterclockwise operation ring II; After loosening; After being rotated counterclockwise operation ring I and putting in place, the special implement of slinging, thus realize the disengaging of special implement and filter.The special implement recycling, the installation of filter is undertaken by above-mentioned steps, no longer tired stating.
Claims (4)
1. a sump filter equipment bag advances the new structure that bag goes out to change filter, and the filter that comprises the special-purpose circular filter of melt pit and cooperate with this filter " bag advances bag and goes out " is changed special implement, it is characterized in that: the special-purpose circular filter upper end cover of said melt pit is connected with the lifting piece; The lifting piece is a frustum cone structure, and center, round platform upper surface offers rectangular through holes, and the lower surface offers cavity; The cavity end face is provided with locating slot; The locating slot two ends are provided with spacer pin, and lifting piece periphery wall is provided with the groove around perisporium, and lifting piece upper surface is fitted with platen; Said filter is changed special implement and is comprised vertical loading board, backstay, locking pipe; The vertical loading board lower end is provided with screwed hole, is used for connecting backstay, and the locking pipe box is contained in the backstay outside; The internal thread of locking pipe upper end cooperates with external screw thread on the backstay, and the backstay lower end is provided with and lifts the alignment pin that the locating slot of piece inner chamber end face is complementary.
2. sump filter equipment bag according to claim 1 advances the new structure that bag goes out to change filter; It is characterized in that: the special-purpose circular filter upper end cover of melt pit is equipped with the lifting piece that the lifting filter is used, and is fitted with the O shape circle that is used for the banding polybag on the groove around lifting piece periphery wall; Lifting piece upper surface is fitted with platen, after platen is pushed down polybag, is lifting on the piece through screw attachment.
3. sump filter equipment bag according to claim 1 advances the new structure that bag goes out to change filter, it is characterized in that: this special implement is connected through the lifting piece with filter.
4. sump filter equipment bag according to claim 1 advances bag and goes out to change the new structure of filter, it is characterized in that: between vertical loading board and the backstay, all be connected through engage thread between backstay and the locking pipe; Be connected with the operation ring at vertical loading board on the pipe respectively with locking; The vertical loading board upper end is provided with lifting eye.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203338810U CN202289669U (en) | 2011-09-07 | 2011-09-07 | Novel bag in-and-out structure for replacing filter for containment sump filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203338810U CN202289669U (en) | 2011-09-07 | 2011-09-07 | Novel bag in-and-out structure for replacing filter for containment sump filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202289669U true CN202289669U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203338810U Expired - Lifetime CN202289669U (en) | 2011-09-07 | 2011-09-07 | Novel bag in-and-out structure for replacing filter for containment sump filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202289669U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366845A (en) * | 2013-07-18 | 2013-10-23 | 中广核工程有限公司 | Replacement transfer method and device for nuclear power station radioactive waste nuclear filter core |
| CN107398110A (en) * | 2017-09-01 | 2017-11-28 | 苏州百硕自动化环保设备有限公司 | A kind of filter of automatically replaceable filter core |
| CN111351545A (en) * | 2020-02-20 | 2020-06-30 | 石家庄铁道大学 | Assembled water level measuring pipe and water level monitoring method |
-
2011
- 2011-09-07 CN CN2011203338810U patent/CN202289669U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366845A (en) * | 2013-07-18 | 2013-10-23 | 中广核工程有限公司 | Replacement transfer method and device for nuclear power station radioactive waste nuclear filter core |
| CN103366845B (en) * | 2013-07-18 | 2016-04-20 | 中广核工程有限公司 | The replacing conveyer method of nuclear power station radioactive waste nuclear filter core |
| CN107398110A (en) * | 2017-09-01 | 2017-11-28 | 苏州百硕自动化环保设备有限公司 | A kind of filter of automatically replaceable filter core |
| CN111351545A (en) * | 2020-02-20 | 2020-06-30 | 石家庄铁道大学 | Assembled water level measuring pipe and water level monitoring method |
| CN111351545B (en) * | 2020-02-20 | 2022-03-25 | 石家庄铁道大学 | Assembled water level measuring pipe and water level monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |