CN206921483U - The interim filtration system of nuclear power station - Google Patents
The interim filtration system of nuclear power station Download PDFInfo
- Publication number
- CN206921483U CN206921483U CN201720660553.9U CN201720660553U CN206921483U CN 206921483 U CN206921483 U CN 206921483U CN 201720660553 U CN201720660553 U CN 201720660553U CN 206921483 U CN206921483 U CN 206921483U
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- China
- Prior art keywords
- filter screen
- main pipeline
- pipeline
- nuclear power
- power station
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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
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a kind of interim filtration system of nuclear power station, it includes main pipeline, with the formal pipeline communication of nuclear power system that need to be filtered；Filter screen passage, one end connect with main pipeline, and the other end is provided with dismountable capping；Filter screen, it is the cylinder filter screen of both ends open, filter screen is located in filter screen passage, and one end is stretched into main pipeline and is bonded with the tube wall of main pipeline, and filter screen stretches into the openend of main pipeline towards the upstream of main pipeline.Relative to prior art, the interim filtration system of the utility model nuclear power station sets filter screen passage on main pipeline, filter screen enters main pipeline by filter screen passage and is brought into close contact with the tube wall of main pipeline, so as to realize filter effect, filter screen can be removed by filter screen passage after end, without removing pipeline repeatedly, simple operation, reduce the consuming of human and material resources；Substantially reduce the time used in replacing filter；Risk of metalling run out is greatly reduced.
Description
Technical field
The utility model belongs to nuclear power field, more specifically, the utility model is related to a kind of nuclear power station and filters temporarily and be
System.
Background technology
Typically, the unit regulation stage, it is different that each subsystem defect elimination all can more or less introduce the water soluble paper, iron filings etc.
Thing, follow a well mapped-out plan ground, is required for reinstalling filter after each defect elimination to system progress once flushing, to prevent foreign matter from entering
Enter in the pump housing, formal pipeline even primary Ioops.In addition, in order to simulate some experiments that can not truly perform, it is often necessary to connect
Interim pipeline.When interim pipeline is connected in system, often just needs that filter is installed, rushed to prevent the foreign matter in locking system
Enter system or take in primary Ioops.
At present, filter is installed on pipeline, is broadly divided into following several steps：
Filter → time dress is removed after the completion of one section of filter screen passage → installation filter → experiment on dismounting pipeline
Filter screen passage.
Prior art on the implementation for, repeated disassembled and assembled filter screen passage, connecting pipe repeatedly, it is most likely that cause method
Lan Yin beats torque repeatedly and deformed；Flange connections pad also needs repeatedly to change, and causes the huge waste of resource；Remove pipeline
The manpower and materials of consuming are larger, the connection of centering again also needed to when returning dress, time-consuming；Because repeated disassembled and assembled, temporary shim are multiple
Use, repeatedly beat torque serious wear, the risk of leak significantly increases.
In view of this, filtered temporarily it is necessory to provide a kind of nuclear power station of fast-assembling simple in construction, safe, quick disassembled
System.
Utility model content
The purpose of this utility model is：Overcome the deficiencies in the prior art, there is provided it is a kind of it is simple in construction, safe, can
The interim filtration system of nuclear power station of Quick Release fast-assembling.
To achieve these goals, the utility model provides a kind of interim filtration system of nuclear power station, and it includes：
Main pipeline, with the formal pipeline communication of nuclear power system that need to be filtered；
Filter screen passage, one end connect with main pipeline, and the other end is provided with dismountable capping；
Filter screen, it is the cylinder filter screen of both ends open, filter screen is located in filter screen passage, and filter screen one end is stretched into main pipeline simultaneously
It is bonded with the tube wall of main pipeline, filter screen stretches into the openend of main pipeline towards the upstream of main pipeline.
One kind as the interim filtration system of the utility model nuclear power station is improved, the filter screen passage and liquid in main pipeline
Flow direction angulation is acute angle.
One kind as the interim filtration system of the utility model nuclear power station is improved, and the filter screen passage is provided with one end of capping
Position height be less than main pipeline position height.
One kind as the interim filtration system of the utility model nuclear power station is improved, and is communicated with the main pipeline positioned at filter
The instrument pipeline of Netcom's road upstream and downstream main pipeline.
One kind as the interim filtration system of the utility model nuclear power station is improved, and the instrument pipeline is provided with differential pressure gauge,
Instrument pipeline between differential pressure gauge and main pipeline is provided with the first stop valve.
One kind as the interim filtration system of the utility model nuclear power station is improved, on the main pipeline of the filter screen passages downstream
Provided with hydrophobic pipeline, hydrophobic pipeline is provided with the second stop valve.
One kind as the interim filtration system of the utility model nuclear power station is improved, the connection of the hydrophobic pipeline and main pipeline
Place is positioned at the bottom of main pipeline.
One kind as the interim filtration system of the utility model nuclear power station is improved, and the filter screen is string diameter less than 0.2mm's
Stainless steel filtering net.
One kind as the interim filtration system of the utility model nuclear power station is improved, and the capping is blind plate, blind plate and filter screen
Passage is detachably connected by bolt.
One kind as the interim filtration system of the utility model nuclear power station is improved, the capping and the junction of filter screen passage
Provided with pad.Pad is preferably teflon gasket.
Relative to prior art, the interim filtration system of the utility model nuclear power station has following advantageous effects：
1) filter screen passage is set on main pipeline, and filter screen stretches into main pipeline and tight with the tube wall of main pipeline by filter screen passage
Closely connected conjunction, so as to realize filter effect, terminating rear filter screen can be removed by filter screen passage, without removing pipeline repeatedly, behaviour
It is convenient to make, and reduces the consuming of human and material resources；Substantially reduce the time used in replacing filter；It is greatly reduced and metals run out
Risk.
2) filter screen passage is provided with the position height of the position height less than main pipeline of one end of capping, can pass through the work of gravity
Filter screen passage is stacked into by foreign matter, prevents the blocking of filter screen.
3) design of instrument pipeline can measure the pressure difference of filter screen upstream and downstream at any time, be easy to monitor, judge whether filter screen occurs
Block, simple in construction, security reliability is high.
Brief description of the drawings
With reference to the accompanying drawings and detailed description, the interim filtration system of the utility model nuclear power station is carried out specifically
It is bright, wherein：
Fig. 1 is the structural representation of the interim filtration system of the utility model nuclear power station.
100- main pipelines；200- filter screen passages；210- is covered；300- filter screens；400- instrument pipelines；410- differential pressure gauges；
The stop valves of 420- first；500- hydrophobic pipelines；The stop valves of 510- second；The formal pipeline of 600- nuclear power systems.
Embodiment
In order that the purpose of this utility model, technical scheme and its technique effect become apparent from, below in conjunction with accompanying drawing and tool
Body embodiment, the utility model is further elaborated.It should be appreciated that the specific reality described in this specification
Mode is applied just for the sake of explaining the utility model, is not intended to limit the utility model.
It refer to shown in Fig. 1, the utility model provides a kind of interim filtration system of nuclear power station, and it includes：
Main pipeline 100, pipeline 600 formal with the nuclear power system that need to be filtered connect；
Filter screen passage 200, one end connect with main pipeline 100, and the other end is provided with dismountable capping 210；
Filter screen 300, it is the cylinder filter screen of both ends open, filter screen 300 is located in filter screen passage 200, and the one end of filter screen 300 is stretched
Enter in main pipeline 100 and be bonded with the tube wall of main pipeline 100, filter screen 300 stretches into the openend of main pipeline 100 towards main pipeline
100 upstream.The size of filter screen 300 is adapted with main pipeline 100.
Nuclear power plant includes many systems, and in the unit regulation stage, each system can all need filter to rush system
Wash, prevent foreign matter from entering in the pump housing, formal pipeline even primary Ioops.Therefore the interim filtration system of the utility model nuclear power station is not
Certain system is particularly adapted to, and is suitable for the nuclear power system of any required filtering.
Main pipeline 100 connects with the formal pipeline 600 of nuclear power system for needing to filter, and the length of main pipeline 100 can be according to reality
Border needs to process.Filter screen passage 200 is set on main pipeline 100, and filter screen passage 200 can be short tube, the one end of filter screen passage 300 and master
Pipeline 100 connects, and the other end is provided with dismountable capping 210, and capping 210 can realize the closing being open to filter screen passage 200,
It can be opened according to service condition.Preferably, filter screen passage 200 is connected with main pipeline 100 by welding realization.
Filter screen 300 is the cylinder filter screen of both ends open, and filter screen 300 is located in filtration channel 200, and supervisor is stretched into one end
In road 100, the tube wall of open end circumference and main pipeline 100 that filter screen 300 is stretched into main pipeline 100 is brought into close contact, filter screen 300
The openend of main pipeline 100 is stretched into towards the upstream of main pipeline 100.So can be 300 from filter screen by the fluid of main pipeline 100
Filtered into filter screen 300 openend in main pipeline 100.
When needing filtering, capping 210 is opened, filter screen 300 is stretched into main pipeline 100 from the one end of filter screen passage 200, and
It is brought into close contact with the tube wall of main pipeline 100, can thus reaches the effect of filtering, after the completion of filtering, capping can be opened
210, filter screen 300 is taken out from main pipeline 100 through filter screen passage 200, then blocked filter screen passage 200 with capping 210, so that it may
The purpose of dismounting filter screen 300 just can be realized under conditions of without any pipeline of dismounting, greatly reduces human and material resources
Expend, shorten the time changed used in filter, reduce the risk metalled run out.
According to a preferred embodiment of the present utility model, filter screen 300 selects stainless steel filtering net.Stainless steel filtering net has
Acid-fast alkali-proof, high temperature resistant, be unlikely to deform, easy cleaning the features such as.The size in the aperture of filter screen 300 is then selected according to live actual demand
Select.It is recommended that selection string diameter is less than 0.2mm stainless steel filtering net.
According to a preferred embodiment of the present utility model, filter screen passage 200 and liquid flow direction in main pipeline 100
Angulation is acute angle, and so design is easy to filter screen 300 by filter screen passage 200 and stretched into main pipeline 100.
Filtration channel 200 is provided with the position height of the position height less than main pipeline 100 of one end of capping 210.So set
Meter, filter screen 300 is obliquely installed in main pipeline 100, and when washing away, foreign matter can be accumulated by Action of Gravity Field into filter screen passage 200,
It can so ensure, in prolonged rinse, to avoid the blocking of filter screen 300, so as to reduce the number removed filter screen 300 and cleaned.
According to a preferred embodiment of the present utility model, capping 210 can be fast disassembly type blind plate, fast disassembly type blind plate and mistake
Filter passage 200 passes through bolt detachable connection.
The junction of fast disassembly type blind plate and filtration channel 200 is provided with pad (not shown), can further enhance connection
Sealing, prevent liquid leakage.Pad is according to system requirements, from the pad of respective type.Typically usable polytetrafluoroethyl-ne
Alkene pad.Teflon gasket has antiacid alkali resistant, high temperature resistant (- 180 DEG C~250 DEG C), resists the characteristics of various organic solvents.
It in addition, polytetrafluoroethylmaterial material also has the characteristics of soft easily cutting, can be actually needed according to scene, hand-make different size
Packing ring.
Main pipeline 100 is provided with instrument pipeline 400, the both ends of instrument pipeline 400 respectively with positioned at the upstream of filter screen passage 200
Connected with the main pipeline 100 of downstream part, instrument pipeline 400 is provided with differential pressure gauge 410, for measuring the upstream and downstream of filter screen 300
Pressure difference, it is easy to monitor, judges whether filter screen 300 blocks, dynamic at any time can be achieved and monitor, ensure security reliability.Differential pressure
The first stop valve 420 is respectively equipped between table 410 and both ends main line 100, facilitates the exhaust of differential pressure gauge 410.Instrument pipeline 400
Caliber be preferably DN15.
The main line 100 in the downstream of filter screen passage 200 is provided with hydrophobic pipeline 500, by main pipeline before being dismounted for filter screen 300
Water in 100 is quickly discharged.The junction of hydrophobic pipeline 500 and main pipeline 100 is located at the bottom of main pipeline 100, it is ensured that water
Can smoothly it drain.Hydrophobic pipeline 500 is provided with the second stop valve 510, can need control hydrophobic pipeline according to actual conditions
500 opening and closing.The second stop valve 510 need to be only opened during draining, water is drained into cistern nearby.Drain pipe
The caliber of line 500 elects DN25 as, is on the one hand unlikely to that draining is too slow, and on the other hand this caliber is easily adapted to hydrophobic interim soft
Pipe.
The use process of the interim filtration system of the utility model nuclear power station is as follows：
When system needs to be filtered, the second stop valve 510 is first opened, by hydrophobic pipeline 500 by main pipeline 100
Water drain, close the second stop valve 510.Capping 210 is disassembled from filter screen passage 200, filter screen 300 is led to from filter screen
Road 200 is inserted into main pipeline 100, and is brought into close contact the tube wall of filter screen 300 and main pipeline 100, then capping 210 is arranged on
On filter screen passage 200, open the first stop valve 420, system proceeds by flushings, filter screen 300 foreign matter can be prevented into system or
In primary Ioops, foreign matter can be deposited in filtration channel 200 under gravity.Observed simultaneously by differential pressure gauge 410 on filter screen 300
The pressure difference in downstream, monitor the situation of filter screen 300.In flushing process, if the normal operation of filter screen 300, is not blocked, tied to rinsing
Shu Hou, the second stop valve 510 is opened, the water in main pipeline 100 is discharged, close the second stop valve 510 and the first stop valve
420, capping 210 is disassembled from filter screen passage 200, after filter screen 300 is taken out from main pipeline 100, by the peace of capping 210
On filter screen passage 200.If filter screen 300 blocks, by above-mentioned steps by filter screen 300 remove cleaned after, again from
Filtration channel 200, which is stretched into main pipeline 100, to be continued to be rinsed, and is terminated until rinsing.
It is described in detail with reference to more than to of the present utility model as can be seen that relative to prior art, the utility model is at least
With following advantageous effects：
1) filter screen passage 200 is set on main pipeline 100, and filter screen 300 enters main pipeline 100 simultaneously by filter screen passage 200
It is brought into close contact with the tube wall of main pipeline 100, so as to realize filter effect, flushing terminates rear filter screen 300 can be by filter screen passage 200
Removed, without removing pipeline repeatedly, simple operation, reduce the consuming of human and material resources；Substantially reduce and changed
Filter the time used in device；Risk of metalling run out is greatly reduced；
2) filter screen passage 200 is provided with the position height of the position height less than main pipeline 100 of one end of capping 210, can lead to
Foreign matter is stacked into filter screen passage 200 by the effect for crossing gravity, prevents the blocking of filter screen 300.
3) design of instrument pipeline 400 can measure the pressure difference of the upstream and downstream of filter screen 300 at any time, be easy to monitor, judge filter screen 300
Whether block, simple in construction, security reliability is high.
According to above-mentioned principle, the utility model can also carry out appropriate change and modification to above-mentioned embodiment.Therefore,
The utility model is not limited to embodiment disclosed and described above, to some modifications and changes of the present utility model
It should also be as falling into scope of the claims of the present utility model.In addition, although use some specific in this specification
Term, but these terms are merely for convenience of description, do not form any restrictions to the utility model.
Claims (10)
- A kind of 1. interim filtration system of nuclear power station, it is characterised in that including：Main pipeline, with the formal pipeline communication of nuclear power system that need to be filtered；Filter screen passage, one end connect with main pipeline, and the other end is provided with dismountable capping；Filter screen, it is the cylinder filter screen of both ends open, filter screen is located in filter screen passage, and one end is stretched into main pipeline and and main pipeline Tube wall fitting, filter screen stretches into the openend of main pipeline towards the upstream of main pipeline.
- 2. the interim filtration system of nuclear power station according to claim 1, it is characterised in that in the filter screen passage and main pipeline Liquid flow direction angulation is acute angle.
- 3. the interim filtration system of nuclear power station according to claim 2, it is characterised in that the filter screen passage is provided with capping The position height of one end is less than the position height of main pipeline.
- 4. the interim filtration system of nuclear power station according to claim 3, it is characterised in that be communicated with position on the main pipeline In filter screen passage upstream and the instrument pipeline of downstream main pipeline.
- 5. the interim filtration system of nuclear power station according to claim 4, it is characterised in that the instrument pipeline is provided with differential pressure Table, the instrument pipeline between differential pressure gauge and main pipeline are provided with the first stop valve.
- 6. the interim filtration system of nuclear power station according to claim 4, it is characterised in that the supervisor of the filter screen passages downstream Road is provided with hydrophobic pipeline, and hydrophobic pipeline is provided with the second stop valve.
- 7. the interim filtration system of nuclear power station according to claim 6, it is characterised in that the hydrophobic pipeline and main pipeline Junction is located at the bottom of main pipeline.
- 8. the interim filtration system of nuclear power station according to claim 1, it is characterised in that the filter screen is less than for string diameter 0.2mm stainless steel filtering net.
- 9. the interim filtration system of nuclear power station according to claim 1, it is characterised in that the capping be blind plate, blind plate and Filter screen passage is detachably connected by bolt.
- 10. the interim filtration system of nuclear power station according to claim 1, it is characterised in that the capping and filter screen passage Junction is provided with pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720660553.9U CN206921483U (en) | 2017-06-08 | 2017-06-08 | The interim filtration system of nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720660553.9U CN206921483U (en) | 2017-06-08 | 2017-06-08 | The interim filtration system of nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206921483U true CN206921483U (en) | 2018-01-23 |
Family
ID=61314504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720660553.9U Active CN206921483U (en) | 2017-06-08 | 2017-06-08 | The interim filtration system of nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206921483U (en) |
-
2017
- 2017-06-08 CN CN201720660553.9U patent/CN206921483U/en active Active
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