CN109914350A - A kind of small-sized marine growth retains the intercept net component in net and nuclear power plant's intake sea area - Google Patents
A kind of small-sized marine growth retains the intercept net component in net and nuclear power plant's intake sea area Download PDFInfo
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- CN109914350A CN109914350A CN201910288542.6A CN201910288542A CN109914350A CN 109914350 A CN109914350 A CN 109914350A CN 201910288542 A CN201910288542 A CN 201910288542A CN 109914350 A CN109914350 A CN 109914350A
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- marine growth
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- 230000012010 growth Effects 0.000 title claims abstract description 39
- 239000002775 capsule Substances 0.000 claims abstract description 45
- 230000004888 barrier function Effects 0.000 claims abstract description 41
- 230000014759 maintenance of location Effects 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000006855 networking Effects 0.000 abstract description 2
- 229920000573 polyethylene Polymers 0.000 description 5
- 241000238557 Decapoda Species 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 241000242583 Scyphozoa Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 210000000707 wrist Anatomy 0.000 description 2
- 241000200174 Noctiluca Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241001466487 Phaeocystis Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 241000216843 Ursus arctos horribilis Species 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Abstract
The present invention relates to a kind of small-sized marine growths to retain net, retain barrier net of the net with net ontology, the net ontology inner circumferential set on pouch-shaped and the tabula in pouch-shaped between the opening of net ontology and the capsule bottom of net ontology, retention net further includes the discharge port being provided on net ontology, and discharge port is located at the side of the close net body openings of barrier net.The net ontology of the retention net is in pouch-shaped, enter intracapsular large size from net body openings and small-sized marine growth is split, large-scale marine growth is released from discharge port, and small-sized marine growth then pass through barrier net enter rear net capsule portion in be trapped, pass through the setting of multiple retention nets in multiple interception units, " governing at the margins " can be accomplished to the marine growth at nuclear power plant's intake, both the interception function to most of small-sized marine lifes had been guaranteed, the problem of avoiding macro-organism networking to cause intercept net load excessive again, causing netting gear damage, protection failure；Safe water environment is provided for the safe operation of stablizing of nuclear power plant.
Description
Technical field
The present invention relates to belong to npp safety field, and in particular to a kind of small-sized marine growth retention net and nuclear power plant's water intaking
The intercept net component in mouth sea area.
Background technique
The quality of nuclear power plant's intake operating status directly affects the safe operation and reliability of power plant, to cope with nuclear power plant
Marine biological invasion, usually used method are setting intercept nets or the mode manually salvaged are taken to remove；Currently, with trip
The fast development of You Ye, aquaculture, the rapidly variation of the coastal marine eco-environment, nuclear power plant's intake surrounding waters threaten power station
The small-sized marine growth for safety of fetching water is more and more, such as shrimp, spherical side wrist jellyfish, phaeocystis, Noctiluca scientillans, and power station is existing to block
The threat of small-sized marine growth large-scale outbreak cannot have been coped with by cutting net, in addition, the circulating water filtering system (CF I) of nuclear power plant
Fine fack grizzly bar spacing is 50mm, for being less than the tiny biology of 50mm in seawater almost without filtration, these tiny seas
Biology will be directed into bulging net, and the filtering accuracy of CFI drum net is 3mm, if CFI system has a large amount of 3~50mm marine growths to enter
When invading, when especially some unknown software marine growths largely assemble outburst, may block bulging net causes to rouse network pressure difference height and follow
The pump tripping of ring water system, condenser will lose a large amount of cooling waters, and power plant's cold source will result directly in that unit is unplanned to stop once lose
Machine shutdown brings huge economic losses, however carries out large-scale and small-sized marine growth synchronous intercepting side by existing plane net
Formula, intercept net load is excessive, usually causes netting gear damage, protection failure, causes a hidden trouble to the safe operation of nuclear power plant, and its is right
The interception effect of small-sized marine growth is also bad.
Summary of the invention
A kind of small-sized marine growth retention net is provided the invention aims to overcome the deficiencies in the prior art.
In order to achieve the above objectives, the technical scheme adopted by the invention is as follows:
A kind of small-sized marine growth retention net, retention net have the net ontology in pouch-shaped, in the net ontology of pouch-shaped
Week and barrier net of the tabula between the opening of net ontology and the capsule bottom of net ontology, retention net further includes being provided on net ontology
Discharge port, discharge port be located at barrier net close net body openings side.
Preferably, discharge port mouth while at least part and barrier net week while at least part suture connect.
Preferably, in the case where retention net is in unfolded state, barrier net is inclined to be arranged in net ontology inner circumferential.(barrier net inclines
Tiltedly setting is released along tilting barrier net from discharge port when obstructing net convenient for large-scale marine growth conflict.)
Preferably, the net ontology of pouch-shaped is formed with preceding net capsule portion and rear net capsule portion, and the opening of net ontology is opened in preceding net
The front end in capsule portion, the capsule bottom of net ontology are located at the rear end in rear net capsule portion, barrier net tabula in preceding net capsule portion inner circumferential or
Afterwards between net capsule portion inner circumferential or preceding net capsule portion and rear net capsule portion.
Preferably, the net ontology whole body in preceding net capsule portion is gradually extended by the side in opening towards the rear net capsule portion of net ontology
It reduces.
Preferably, barrier net tabula is in preceding net capsule portion inner circumferential.
Preferably, preceding net capsule portion has the first barrier for being located at barrier net front side and the second net positioned at barrier net rear side
Area, discharge port are provided on the net ontology in the first barrier.
Preferably, the opening of the net ontology of pouch-shaped is rectangle, and the length of the opening of rectangular net ontology be 8~
12 meters, width is 3~5 meters.
Preferably, the mesh greatly 2.54mm of net is obstructed.
The invention further relates to a kind of intercept net component in nuclear power plant's intake sea area, intercept net component includes being connected at least
Exaggerated and bottom line, upper and lower part between two support bases are located at the exaggerated interception unit between bottom line, interception unit packet
The retention net that multiple present invention are described is included, the side of multiple retention nets is sequentially connected by side guiding principle.
Due to the implementation of above technical scheme, the invention has the following advantages over the prior art:
Small-sized marine growth of the invention retains net, and the net ontology of the retention net is in pouch-shaped, enters capsule from net body openings
Interior large size and small-sized marine growth are split, and large-scale marine growth is released from discharge port, and small-sized marine growth then passes through barrier net
It is trapped in into rear net capsule portion, the large-scale marine growth of releasing can then be intercepted by original plane intercepting system；This
The intercept net component of invention, by the setting of multiple retention nets in multiple interception units, to the Hai Sheng at nuclear power plant's intake
Object can accomplish " governing at the margins ", not only guarantee the interception function to most of small-sized marine lifes, but also macro-organism is avoided to network
The problem of causing intercept net load excessive, causing netting gear damage, protection failure；Safety is provided for the safe operation of stablizing of nuclear power plant
Water environment.
Detailed description of the invention
Fig. 1 is the lateral structure schematic diagram of retention net of the invention；
Fig. 2 is the overall structure diagram (six retention nets) of interception unit of the invention；
Wherein: 1, retaining net；10, net is obstructed；100, discharge port；101, the first barrier；102, the second barrier；103, rear net
Capsule portion；11, exaggerated；12, bottom line；13, side guiding principle；14, guiding principle is pitched；15, anchor guiding principle.
Specific embodiment
The present invention will be further described in detail with specific embodiment with reference to the accompanying drawing.
As depicted in figs. 1 and 2, a kind of small-sized marine growth retains net, and retention net 1 has the net ontology in pouch-shaped, is set to
Barrier net 10 of the net ontology inner circumferential and tabula of pouch-shaped between the opening of net ontology and the capsule bottom of net ontology retains net 1
It further include the discharge port 100 being provided on net ontology, discharge port 100 is located at the side of the close net body openings of barrier net 10.
Specifically, at least part on 100 mouthfuls of sides of discharge port and at least part on barrier 10 periphery of net are sutured and are connected.?
Retention net 1 is under unfolded state, and barrier net 10 is inclined to be arranged in net ontology inner circumferential.Barrier net 10 is obliquely installed, convenient for big
When the marine growth conflict of type will obstruct net 10, it is released along tilting barrier net 10 from discharge port 100.
The net ontology of pouch-shaped is formed with preceding net capsule portion and rear net capsule portion 103, and the opening of net ontology is opened in preceding net capsule portion
Front end, the capsule bottom of net ontology is located at the rear end in rear net capsule portion 103, obstructs 10 tabula of net in preceding net capsule portion inner circumferential, and
Preceding net capsule portion has the first barrier 101 for being located at 10 front side of barrier net and positioned at the second barrier 102 of 10 rear side of barrier net, releases
Mouth 100 is provided on the net ontology in the first barrier 101.In addition, the net ontology whole body in preceding net capsule portion from the opening of net ontology to
The side in rear net capsule portion 103 gradually extend diminution；
In this example, the opening of the net ontology of pouch-shaped is rectangle, and the length of the opening of rectangular net ontology is 10
Rice, width are 4 meters.Net ontology is 8.6 meters from its opening to the length distance of its capsule bottom.Obstruct the mesh of net 10 greatly
2.54mm。
Moreover, it relates to a kind of intercept net component in nuclear power plant's intake sea area, intercept net component includes connection
The interception list of exaggerated 11 and bottom line 12, upper and lower part between exaggerated 11 and bottom line 12 between at least two support bases
Member, interception unit include the retention net 1 that multiple present invention are described, and the side of multiple retention nets 1 is successively connected by side guiding principle 13
It connects.Interception unit is provided with 4 groups in this example, has 6 retention nets 1 in every group of interception unit, and each interception unit two sides lead to
It crosses fork guiding principle 14 and anchor guiding principle 15 is fixed.Exaggerated 11: polythene rope, diameter 10.5mm, long 10m, 2 windings use.Bottom line 12: polyethylene
Rope, diameter 10.5mm, long 10m, 2 windings use.Side guiding principle 13: polythene rope, diameter 6.0mm, long 4.00m, 12.Pitch guiding principle 14:
Polythene rope, diameter 18.0mm, long 17.00m, 2.Doubling uses.Anchor guiding principle 15: polythene rope, diameter 26.0mm, long 27.00m, 2
Item.
The intercept net component is fixed by anchor, is blocked in the seawater that long column-shaped is filtered through and is caught organism in water.Principal dimensions
For (28.00m × 8.60m) × 6, being suitble to fishing boat power bracket is 150~220kW.Master catches shrimp, and spherical side wrist jellyfish is simultaneous to catch
The small-sized marine lifes such as oppossum shrimp.
Specifically in this example, the structural parameters of each section net ontology are as follows:
In conclusion small-sized marine growth of the invention retains net, the net ontology of the retention net is in pouch-shaped, is opened from net ontology
Mouth enters intracapsular large size and small-sized marine growth is split, and large-scale marine growth is released from discharge port, and small-sized marine growth then leads to
Barrier net is crossed into being trapped in rear net capsule portion, the large-scale marine growth of releasing can then be carried out by original plane intercepting system
It intercepts；Intercept net component of the invention, through the setting of multiple retention nets in multiple interception units, at nuclear power plant's intake
Marine growth can accomplish " governing at the margins ", not only guaranteed the interception function to most of small-sized marine lifes, but also avoid large-scale life
The problem of object networking causes intercept net load excessive, causes netting gear damage, protection failure；It is mentioned for the safe operation of stablizing of nuclear power plant
For the water environment of safety.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of small-sized marine growth retains net, it is characterised in that: the retention net has the net ontology in pouch-shaped, is set to pouch
Barrier net of the net ontology inner circumferential and tabula of shape between the opening of the net ontology and the capsule bottom of net ontology, described section
Staying net further includes the discharge port being provided on the net ontology, and the discharge port is located at the close net ontology of the barrier net
The side of opening.
2. small-sized marine growth according to claim 1 retains net, it is characterised in that: at least one of discharge port mouth side
Divide to suture at least part on the barrier net week side and connect.
3. small-sized marine growth according to claim 2 retains net, it is characterised in that: be in unfolded state in the retention net
Under, the barrier net is inclined to be arranged in the net ontology inner circumferential.
4. small-sized marine growth according to claim 1 retains net, it is characterised in that: the net ontology of pouch-shaped is formed with
Preceding net capsule portion and rear net capsule portion, the front end for being opened in preceding net capsule portion of the net ontology, the capsule bottom of the net ontology
The rear end in net capsule portion after described, the barrier net tabula in the preceding net capsule portion inner circumferential or rear net capsule portion inner circumferential or
Between preceding net capsule portion and rear net capsule portion.
5. small-sized marine growth according to claim 4 retains net, it is characterised in that: the net ontology whole body in the preceding net capsule portion
Diminution is gradually extended by the side in opening towards the rear net capsule portion of the net ontology.
6. small-sized marine growth according to claim 4 retains net, it is characterised in that: the barrier net tabula is in the preceding net
Capsule portion inner circumferential.
7. small-sized marine growth according to claim 6 retains net, it is characterised in that: the preceding net capsule portion has positioned at described
First barrier of barrier net front side and the second barrier that rear side is netted positioned at the barrier, the discharge port are provided with first net
On the net ontology in area.
8. small-sized marine growth according to claim 1 retains net, it is characterised in that: the opening of the net ontology of pouch-shaped
It is rectangle, and the length of the opening of the rectangular net ontology is 8 ~ 12 meters, width is 3 ~ 5 meters.
9. small-sized marine growth according to claim 4 retains net, it is characterised in that: the mesh of the barrier net is greatly
2.54mm。
10. a kind of intercept net mechanism in nuclear power plant's intake sea area, it is characterised in that: the intercept net mechanism include be connected to
Exaggerated and bottom line, upper and lower part between few two support bases are located at exaggerated multiple interception units between bottom line, described
Interception unit includes the retention net that multiple any one of claims 1 to 9 are described, and the side of multiple retention nets passes through
Side guiding principle is sequentially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288542.6A CN109914350A (en) | 2019-04-11 | 2019-04-11 | A kind of small-sized marine growth retains the intercept net component in net and nuclear power plant's intake sea area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288542.6A CN109914350A (en) | 2019-04-11 | 2019-04-11 | A kind of small-sized marine growth retains the intercept net component in net and nuclear power plant's intake sea area |
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| Publication Number | Publication Date |
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| CN109914350A true CN109914350A (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910288542.6A Pending CN109914350A (en) | 2019-04-11 | 2019-04-11 | A kind of small-sized marine growth retains the intercept net component in net and nuclear power plant's intake sea area |
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| CN (1) | CN109914350A (en) |
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| CN208650016U (en) * | 2018-07-04 | 2019-03-26 | 贵州修能建筑工程有限责任公司 | A kind of floater in river blocking apparatus |
| CN208650017U (en) * | 2018-07-05 | 2019-03-26 | 岭澳核电有限公司 | A kind of nuclear power plant's marine growth intercepting system |
| CN210127450U (en) * | 2019-04-11 | 2020-03-06 | 苏州热工研究院有限公司 | Small-size marine organism interception net and interception net subassembly in nuclear power plant intake sea area |
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2019
- 2019-04-11 CN CN201910288542.6A patent/CN109914350A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201349447Y (en) * | 2009-01-19 | 2009-11-25 | 上海海洋大学 | Cyanea nozakii net sheet separation device of fishing net |
| CN204589926U (en) * | 2015-04-03 | 2015-08-26 | 广东梅雁吉祥水电股份有限公司 | A kind of water pipeline |
| CN205636690U (en) * | 2016-04-07 | 2016-10-12 | 黄钦虹 | Dirty net is blocked in power station |
| CN206090495U (en) * | 2016-09-20 | 2017-04-12 | 江苏润田水工业设备有限公司 | Super large floater intercepting device before river course pump floodgate |
| CN208104148U (en) * | 2018-02-09 | 2018-11-16 | 郑州中天建筑节能有限公司 | Sloot trash block system |
| CN108849777A (en) * | 2018-06-14 | 2018-11-23 | 中国水产科学研究院黄海水产研究所 | A kind of shrimp of releasable jellyfish is thrown the net and its assembly method |
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Application publication date: 20190621 |