CN208650017U - A kind of nuclear power plant's marine growth intercepting system - Google Patents
A kind of nuclear power plant's marine growth intercepting system Download PDFInfo
- Publication number
- CN208650017U CN208650017U CN201821060772.4U CN201821060772U CN208650017U CN 208650017 U CN208650017 U CN 208650017U CN 201821060772 U CN201821060772 U CN 201821060772U CN 208650017 U CN208650017 U CN 208650017U
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- column
- net
- string bag
- marine growth
- power plant
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Abstract
This application discloses a kind of nuclear power plant's marine growth intercepting systems, main body framework, the flat filter net being fixedly mounted on the mounting structure of column and the string bag including being fixed on the pillar construction in seabed vertically by least two form, wherein flat filter net connects the first tunneling boring filter device of composition with column, the string bag connects the second tunneling boring filter device of composition with column, and the top of the string bag connects buoy capsule.Using nuclear power plant's marine growth intercepting system of the application, intercept net and column are composed of a fixed connection tunneling boring blocking apparatus, improve the ability and safety and reliability of the anti-sea beat of intercept net；Flat filter net is different with the mesh aperture of the string bag, intercepts the larger marine growth with small volume of volume respectively, reduces the interception load of monolayer net, the service life of intercept net is greatly extended while improving intercepting efficiency；Funneling dictyosome and net capsule two parts composition, the fixed buoy in top, can keep attitude stabilization in the seawater, and intercepting efficiency can be improved and improve the capacity that the string bag intercepts marine growth.
Description
Technical field
The present invention relates to cold sources to ensure field and protection field, and in particular to a kind of nuclear power plant's marine growth intercepting system.
Background technique
The salt water cooling system of nuclear power plant will be by the dual harm of seawater corrosion and marine biofouling.Marine organisms are
Animal, plant and microorganism for being grown in seawater etc., including fish, shrimp, crab class, shellfish, seaweed etc..If marine organisms not by
It effectively intercepts and enters in the salt water cooling system of nuclear power plant, marine organisms can adhere in seawater pipeline and cooling system
And growth, it on the one hand will lead to the effective diameter for reducing seawater cooling pipe and heat exchanger condenser tube road, reduce seawater flow,
Reduce cooling efficiency；On the other hand, the aufwuch in pipeline once falls off, and can block the nozzle of valve and cooler, seriously
Shi Guandao is blocked completely, is caused to shut down and be stopped production, causes huge economic loss.In addition, also having for marine growth accelerates core
The burn into of power plant's salt water cooling system leads to the harm of crevice corrosion.As it can be seen that nuclear power plant's salt water cooling system is by sea marine organism pollution
The problem of should not be underestimated.
It is threatened to eliminate marine growth to the invasion of nuclear power plant, it is existing to take PX pumping plant rotary sieve or use floating drum and anchor block
Fixed intercept net is intercepted the safety to ensure cold source, but the intercept net efficiency fixed using floating drum and anchor block to marine growth
It is not high, and stability is bad, and PX pumping plant rotary sieve can not also cope with the invasion of extensive marine organisms, especially small-sized sea
The invasion of biology, so that the threat that nuclear power base is frequently invaded by small-sized marine growth, causes the safe and stable operation of unit
Serious influence.
Summary of the invention
The application provides a kind of marine organisms intercepting system.
To achieve the above object, the application uses following technical scheme:
A kind of nuclear power plant's marine growth intercepting system, comprising:
Main body framework, the pillar construction in seabed is fixed on including at least two vertically, and column is equipped with mounting structure；
The side of flat filter net, flat filter net is separately fixed on the mounting structure of column, flat filter net and vertical
Column connection the first tunneling boring filter device of composition；
The string bag, the string bag are funnel-shaped structure, and the opening of the string bag is fixed on the mounting structure of column, and the string bag is connected with column
The second tunneling boring filter device is formed, the second tunneling boring filter device filters the first filtered seawater of tunneling boring filter device,
The top of the string bag connects buoy capsule.
Further, nuclear power plant's marine growth intercepting system further includes plug, and plug is by caisson, torsion king's block and/or breastwork
At least one composition, plug is for filling the first tunneling boring filter device and/or the second tunneling boring filter device and breakwater
Between gap.
Further, main body framework further includes that inlet channel bottom is equipped with anchor beam, and anchor beam is made of anchor block, is set at the top of anchor block
Have mounting structure, flat filter net bottom side and side are separately fixed on the mounting structure of column and anchor block, flat filter net with
Column connects the first tunneling boring filter device of composition with anchor block；The opening of the string bag is fixed on the mounting structure of column and anchor block,
The string bag connect the second tunneling boring filter device of composition with column and anchor block.
Further, anchor block is made of cuboid anchor block and " recessed " type anchor block, and cuboid anchor block is located between two columns,
" recessed " type anchor block both sides are connect with cuboid anchor block, recess semi-surrounding posture in standing (qigong) column.
Further, mounting structure is anchor ring, and anchor ring is the cyclic structure being fixed on column or at the top of anchor block.
Further, column is double pileworks, and double tops connect to form suspended deck structure.
Further, flat filter net is made of wirerope, major network and grid, and the bottom edge and side of major network are separately fixed at
On the mounting structure of anchor block and column, wirerope connects major network and is fixed on column, and grid is fixed on wirerope and/or column
On, major network is between grid and column.
Further, the mesh area of grid is greater than or equal to the mesh area of major network.
Further, the string bag is made of guiding net and dismountable blanket net；Guiding net is gradually to be contracted by open end net tail portion
Small funnel-shaped structure；Blanket net is the pocketed web frame of one section of opening, and the opening of blanket net and the rear removable of guiding net connect
It connects；The top surface of guiding net and blanket net is equipped with reinforcing rib.
It further, further include having headstock gear, headstock gear is mounted on cushion cap, for installation and replacement and is laid described
The string bag.
Further, headstock gear is mounted on string bag axis by winding and release by the rope hoist engine for being fixed on cushion cap
To rope realize the string bag lifting and lay；Opening and closing rope hoist engine by being fixed on cushion cap is mounted on net by winding and release
The rope of pocket opening realizes the opening and closing of string bag opening.
Due to using the technology described above, the beneficial effects of the present application are as follows:
Using nuclear power plant's marine growth intercepting system of the application, intercept net is fixedly connected altogether with the column for being fixed on seabed
With composition tunneling boring blocking apparatus, the significant increase ability of the anti-sea beat of intercept net improves safety and reliability；Using
Flat filter net and the form of string bag twice intercept net combination carry out tunneling boring interception, the mesh aperture of flat filter net and the string bag
Difference intercepts the marine growth of volume biggish marine growth and small volume respectively, reduces the interception load of monolayer net, block in raising
The service life of intercept net is greatly extended while cutting efficiency；Funneling dictyosome and net capsule two parts composition, top are fixed floating
Drift, can keep attitude stabilization in the seawater, and intercepting efficiency can be improved and improve the capacity that the string bag intercepts marine growth.
Detailed description of the invention
Fig. 1 is a kind of nuclear power plant's marine growth intercepting system overall schematic of embodiment；
Fig. 2 is a kind of nuclear power plant's marine growth intercepting system top view of embodiment；
Fig. 3 is a kind of plan view of nuclear power plant's marine growth intercepting system of embodiment；
Fig. 4 is the main body framework structural schematic diagram of nuclear power plant's marine growth intercepting system of another embodiment；
Fig. 5 is that rope schematic diagram is pulled in a kind of opening and closing of nuclear power plant's marine growth intercepting system of embodiment.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.Wherein different embodiments
Middle similar component uses associated similar element numbers.In the following embodiments, many datail descriptions be in order to
The application is better understood.However, those skilled in the art can recognize without lifting an eyebrow, part of feature
It is dispensed, or can be substituted by other elements, material, method in varied situations.In some cases, this Shen
Please it is relevant it is some operation there is no in the description show or describe, this is the core in order to avoid the application by mistake
More descriptions are flooded, and to those skilled in the art, these relevant operations, which are described in detail, not to be necessary, they
Relevant operation can be completely understood according to the general technology knowledge of description and this field in specification.
It is formed respectively in addition, feature described in this description, operation or feature can combine in any suitable way
Kind embodiment.Meanwhile each step in method description or movement can also can be aobvious and easy according to those skilled in the art institute
The mode carry out sequence exchange or adjustment seen.Therefore, the various sequences in the description and the appended drawings are intended merely to clearly describe a certain
A embodiment is not meant to be necessary sequence, and wherein some sequentially must comply with unless otherwise indicated.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
The application provides a kind of marine organisms intercepting system, eliminates marine growth and threatens the invasion of nuclear power plant, existing to take
The intercept net that PX pumping plant rotary sieve or floating drum and anchor block are fixed is intercepted the safety to ensure cold source to marine growth, but is used
The intercept net that floating drum and anchor block are fixed is inefficient, and stability is bad, and PX pumping plant rotary sieve can not also cope on a large scale
The invasion of marine organisms, for this purpose, the invasion that marine growth is especially small-sized marine growth faced at the daily need in nuclear power base but
The security risk that can not effectively solve again.The present inventor creatively uses in long term production and research and is fixed on seabed
Pillar construction be fixed intercept net, while combining the double-deck tunneling boring to intercept system using flat filter net and the funnel-form string bag
System, efficiently solves that intercept net stability is bad, and intercepting efficiency is not high, especially low to the intercepting efficiency of small-sized marine growth
The problem of.
In the present embodiment, as depicted in figs. 1 and 2, nuclear power plant's marine growth intercepting system of the present embodiment includes main body framework
100, flat filter net 210, the string bag 310 and plug 400, wherein main body framework 100 is fixed on the column in seabed by a row vertically
120 structure compositions, column 120 are equipped with mounting structure, and row's column 120 intercepts inlet channel across required filtering, such as bay, river
Stream etc., according to the needs of landform, column 120 can be arranged in a straight line, also bent or curved arrangement；The side of flat filter net 210
It is separately fixed on the mounting structure of above-mentioned column 120, flat filter net 210 and connection the first tunneling boring mistake of composition of column 120
Filter device；The string bag 310 is funnel-shaped structure, and the opening of the string bag 310 is fixed on the mounting structure of column 120, the string bag 310 and is stood
Connection the second tunneling boring filter device of composition of column 120, the second tunneling boring filter device filter the filtering of the first tunneling boring filter device
Seawater afterwards；Plug 400 in caisson, torsion king's block and breastwork by forming, for filling the first tunneling boring filter device and second entirely
Gap between section filter device and breakwater.
As shown in Fig. 2, the string bag 310 is made of guiding net 311 and blanket net 312 in the present embodiment, guiding net 311 is by opening
Mouthful end is toward the diminishing funnel-shaped structure in tail portion；Blanket net 312 is pocketed web frame open at one end, the opening of blanket net 312
It is connect with the rear removable of guiding net 311.
In the present embodiment, using single structure type for spelling net, i.e., a string bag is provided only between two adjacent columns 120
310。
In other embodiments, the impact being subject to according to the interval between landform, column 120, seawater velocity, blanket net 310
The actual conditions such as power can be set as Two bors d's oeuveres net, Three kinds of hors d'oeuvres net or other more spelling web frame forms, it is not limited here.
In the present embodiment, for the form for preferably allowing the funnelform string bag to keep stable, intercepting efficiency and the string bag are improved
The top surface of the capacity of 310 interception marine growths, guiding net 311 and blanket net 312 is equipped with reinforcing rib, meanwhile, the top surface of the string bag 310 is drawn
Wire guide 311 connects buoy capsule with the top surface of blanket net 312.In order to preferably lay, install the string bag 310, the string bag 310 is adopted with buoy capsule
With can repeated disassembled and assembled buckle structure connection, in other connection types, also have using hook etc. other connection types connection.
As shown in figure 3, main body framework 100 further includes the anchor beam for being laid on inlet channel bottom, and anchor beam is by anchor in the present embodiment
Block 130 forms, and anchor beam establishes fixation along anchor beam across entire inlet channel bottom, column 120.Anchor is needed according to terrain
Block can there are many different shapes, as shown in figure 4, anchor block 130 mainly has 132 groups of cuboid anchor block 131 and " recessed " shape anchor block
At cuboid anchor block 131 is located between any two column 120, the recess semi-surrounding posture in standing (qigong) column 120 of " recessed " shape anchor block 132, " recessed "
132 both sides of shape anchor block are connect with cuboid anchor block 131, have connected into the anchor beam without fracture, and anchor block 130 is equipped with cricoid installation
Structure anchor ring 121.The side and bottom of flat filter net 210 with hook arrangement and are located on column 120 and anchor block 130 respectively
Connection the first tunneling boring filter device of composition of anchor ring 121；The opening hook arrangement of the string bag 310 and it is located at column 120 and anchor block
Connection the second tunneling boring filter device of composition of anchor ring 121 on 130.
In the present embodiment, as shown in figure 3, coping with seawater velocity urgency, filtering system to make main body framework 100 firm
System is by the big actual conditions of water flow impact pressure, and to ensure that filtration system can safely and effectively be run, column 120 and anchor block 130 are adopted
With reinforced concrete structure, wherein the root of column 120 is deep into the rock stratum in seabed.Column 120 is double using double pileworks
The top of stake connects to form cushion cap 110.In the present embodiment, each the diameter of column 120 is 1200mm, the spacing between column
For 15m.
In other embodiments, according to actual conditions such as local environment seawater velocities, the column 120 of other structures may be selected
It with anchor block 130, such as metal block, is not specifically limited herein, the size of column 120 and anchor block 130 is also not specifically limited.
In the present embodiment, flat filter net 210 is made of wirerope, major network and grid, the bottom edge of major network and side difference
It is fixed on the anchor ring 121 of anchor block 130 and column 120, wirerope connects major network and is fixed on column 120, and fixed form can be
Wirerope connection hook arrangement is connected and fixed with the anchor ring 121 being preset on column 120, can also be preset in for steel wire penetrating vertical
Anchor ring 121 on column 120 is connected and fixed, and can also be fixed by other means, and fixed form is it is not limited here.Grid is fixed
On wirerope and/or column, major network is clipped in the middle by grid and column 120, and in flat filter net 210, wirerope is main
Stressed member, grid disperses the water flow impact pressure that major network is born, and passes to wirerope.In the present embodiment, major network 50mm
× 50mm nylon wire, grid are the nylon wire of 1m × 1m, and flat filter net 210 can carry out the bulky refuse of 5cm or more
Filter intercepts.In the present embodiment, the string bag 310 is mainly filtered interception to the marine growth of 3.5mm or more and rubbish.
In other embodiments, the mesh of the grid of flat filter net 210 can also be identical with the screen distance size of major network,
Can be different, according to the difference of locating water quality, select the mesh size of suitable flat filter net 210 and the string bag 310.
In the present embodiment, as shown in figure 5, further include the headstock gear for having the string bag 310, headstock gear by elevator machine cylinder,
Bearing block, support frame base, lock ratchet, pedal brake device and hawser are constituted, and pedal brake device connects self-locking detent, real
Existing hoist engine is controllably braked and elevator.Roller both sides, which are equipped with baffle composition, has rope trough roller, and one end of hawser passes through side
The lacing hole that baffle opens up is fixed.For the string bag 310 lifting and lay, headstock gear is mounted on cushion cap 110, for pacifying
The string bag 310 is replaced and laid to dress, wherein hawser, which is divided into rope 502 and rises, closes rope 501, and connection rope 502 is rope
Hoist engine is mounted on the lifting of the axial hawser realization string bag 310 of the string bag 310 by winding and release and lays；Connection opening and closing rope
501 opening and closing rope hoist engine realizes the opening and closing that the string bag 310 is open by the hawser that winding and release are mounted on the opening of the string bag 310,
Headstock gear is using two opening and closing ropes 501 and two ropes 502, and every opening and closing rope 501 is in the seawater there are two the needs of part
Endpoint is fastened on two endpoints of wire side under the distal end string bag 310.Opening and closing rope 501 uses 6.4 tons of load-bearing with rope 502
The 304 stainless steel load-bearing rings 503 of outer diameter 132mm are connected, which is greater than the size of the anchor ring 121 on platform column 120, with
This guarantees that opening and closing rope end point is living between the anchor ring 121 of water surface column 120 and the anchor ring 121 of seabed bottom being located on anchor beam
It is dynamic.
Rope 501 and rope 502 are opened and closed in order to preferably operate, reinforces distinguishing opening and closing rope 501 and the intuitive of rope 502
Opening and closing rope 501 is set as lily high-strength braided rope by knowledge and magnanimity, and rope 502 is set as the high-strength braided rope of blue.
In other embodiments, opening and closing rope 501 and rope 502 can also be marked by other colors or other identifier
Note, it is not limited here.
Using nuclear power plant's marine growth intercepting system of the application, flat filter net 210 and the string bag 310 respectively be fixed on sea
The column 120 at bottom is fixedly connected with anchor beam collectively constitutes tunneling boring blocking apparatus, the significant increase anti-sea beat of intercept net
Ability improves safety and reliability；Meanwhile the double-deck tunneling boring blocking apparatus that flat filter net 210 and the string bag 310 form,
It intercepts the marine growth of volume biggish marine growth and small volume respectively, reduces monolayer net according to the different respectively division of labor in aperture
Interception load, the service life of intercept net is greatly extended while improving intercepting efficiency；The string bag 310 and net capsule, which combine, to be made
With so that fixing buoy at the top of the string bag 310, keeping attitude stabilization in the seawater, effectively improve intercepting efficiency.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (10)
1. a kind of nuclear power plant's marine growth intercepting system characterized by comprising
Main body framework, the pillar construction in seabed is fixed on including at least two vertically, and the column is equipped with mounting structure；
The side of flat filter net, the flat filter net is separately fixed on the mounting structure of the column, the plane mistake
Strainer connects the first tunneling boring filter device of composition with the column；
The string bag, the string bag are funnel-shaped structure, and the opening of the string bag is fixed on the mounting structure of the column, the net
Pocket connects the second tunneling boring filter device of composition with the column, and the second tunneling boring filter device filters the first tunneling boring mistake
The filtered seawater of device is filtered, the top of the string bag connects buoy capsule.
2. nuclear power plant's marine growth intercepting system as described in claim 1, which is characterized in that further include plug, the plug by
Caisson, turn round at least one of king's block and/or breastwork composition, the plug for fill the first tunneling boring filter device and/or
Gap between second tunneling boring filter device and breakwater.
3. nuclear power plant's marine growth intercepting system as described in claim 1, which is characterized in that the main body framework further includes into water
Canal bottom is equipped with anchor beam, and the anchor beam is made of anchor block, and mounting structure, the flat filter net bottom are equipped at the top of the anchor block
Side and side are separately fixed on the mounting structure of the column and the anchor block, the flat filter net and the column and institute
State anchor block connection the first tunneling boring filter device of composition；The opening of the string bag is fixed on the installation of the column and the anchor block
In structure, the string bag connect the second tunneling boring filter device of composition with the column and the anchor block.
4. nuclear power plant's marine growth intercepting system as claimed in claim 3, which is characterized in that the anchor block includes cuboid anchor block
" recessed " type anchor block, the cuboid anchor block are located between two columns, and " recessed " the type anchor block both sides are connect with cuboid anchor block,
Recess semi-surrounding posture in standing (qigong) column；The mounting structure is anchor ring, and the anchor ring is the cyclic annular knot being fixed on column or at the top of anchor block
Structure.
5. nuclear power plant's marine growth intercepting system as claimed in claim 4, which is characterized in that the column is double pileworks, institute
The top for stating double stakes connects to form suspended deck structure.
6. nuclear power plant's marine growth intercepting system as claimed in claim 4, which is characterized in that the flat filter net is by steel wire
Rope, major network and grid composition, the bottom edge and side of the major network are separately fixed on the mounting structure of anchor block and column, the steel
Cord connects major network and is fixed on column, and the grid is fixed on wirerope and/or column, the major network in the grid and
Between the column.
7. nuclear power plant's marine growth intercepting system as claimed in claim 6, which is characterized in that the mesh area of the grid is greater than
Or the mesh area equal to the major network.
8. nuclear power plant's marine growth intercepting system as claimed in claim 4, which is characterized in that the string bag is by guiding net and removable
The blanket net composition unloaded；The guiding net is by the diminishing funnel-shaped structure in open end net tail portion；The blanket net is one section and opens
The pocketed web frame of mouth, the opening of the blanket net are connect with the rear removable of the guiding net；The guiding net and blanket net
Top surface be equipped with reinforcing rib.
9. nuclear power plant's marine growth intercepting system as claimed in claim 4, which is characterized in that it further include having headstock gear, it is described
Headstock gear is mounted on cushion cap, for installation and replacement and lays the string bag.
10. nuclear power plant's marine growth intercepting system as claimed in claim 9, which is characterized in that the headstock gear is by being fixed on
The rope hoist engine of the cushion cap by winding and release be mounted on the string bag axial direction rope realize the string bag lifting with
It lays；Opening and closing rope hoist engine by being fixed on the cushion cap is realized by the rope that winding and release are mounted on the string bag opening
The opening and closing of string bag opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821060772.4U CN208650017U (en) | 2018-07-05 | 2018-07-05 | A kind of nuclear power plant's marine growth intercepting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821060772.4U CN208650017U (en) | 2018-07-05 | 2018-07-05 | A kind of nuclear power plant's marine growth intercepting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208650017U true CN208650017U (en) | 2019-03-26 |
Family
ID=65783474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821060772.4U Expired - Fee Related CN208650017U (en) | 2018-07-05 | 2018-07-05 | A kind of nuclear power plant's marine growth intercepting system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914351A (en) * | 2019-04-11 | 2019-06-21 | 苏州热工研究院有限公司 | A kind of nuclear power plant's intake high intensity intercept net system |
| CN109914350A (en) * | 2019-04-11 | 2019-06-21 | 苏州热工研究院有限公司 | A kind of small-sized marine growth retains the intercept net component in net and nuclear power plant's intake sea area |
| CN111916242A (en) * | 2019-05-08 | 2020-11-10 | 中广核工程有限公司 | Seawater filtering device for nuclear power station |
| CN112726531A (en) * | 2020-11-20 | 2021-04-30 | 深圳中广核工程设计有限公司 | Circulating water prefiltering system of nuclear power plant |
| CN112774281A (en) * | 2020-12-02 | 2021-05-11 | 深圳中广核工程设计有限公司 | Nuclear power circulating water prefilter system winding and unwinding devices |
| CN113289404A (en) * | 2021-06-18 | 2021-08-24 | 上海仪耐新材料科技有限公司 | Automatic opening and closing mechanism of net body |
| CN113737756A (en) * | 2021-08-25 | 2021-12-03 | 湖南鑫海股份有限公司 | Net bag type sewage blocking system for water intake open channel |
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2018
- 2018-07-05 CN CN201821060772.4U patent/CN208650017U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914351A (en) * | 2019-04-11 | 2019-06-21 | 苏州热工研究院有限公司 | A kind of nuclear power plant's intake high intensity intercept net system |
| CN109914350A (en) * | 2019-04-11 | 2019-06-21 | 苏州热工研究院有限公司 | A kind of small-sized marine growth retains the intercept net component in net and nuclear power plant's intake sea area |
| CN111916242A (en) * | 2019-05-08 | 2020-11-10 | 中广核工程有限公司 | Seawater filtering device for nuclear power station |
| CN111916242B (en) * | 2019-05-08 | 2023-04-18 | 中广核工程有限公司 | Seawater filtering device for nuclear power station |
| CN112726531A (en) * | 2020-11-20 | 2021-04-30 | 深圳中广核工程设计有限公司 | Circulating water prefiltering system of nuclear power plant |
| CN112774281A (en) * | 2020-12-02 | 2021-05-11 | 深圳中广核工程设计有限公司 | Nuclear power circulating water prefilter system winding and unwinding devices |
| WO2022116525A1 (en) * | 2020-12-02 | 2022-06-09 | 深圳中广核工程设计有限公司 | Draw-in and cast device for nuclear power circulating water prefiltration system |
| CN113289404A (en) * | 2021-06-18 | 2021-08-24 | 上海仪耐新材料科技有限公司 | Automatic opening and closing mechanism of net body |
| CN113737756A (en) * | 2021-08-25 | 2021-12-03 | 湖南鑫海股份有限公司 | Net bag type sewage blocking system for water intake open channel |
| CN113737756B (en) * | 2021-08-25 | 2022-11-22 | 湖南鑫海股份有限公司 | Net bag type sewage blocking system for water intake open channel |
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