CN112774281A - Nuclear power circulating water prefilter system winding and unwinding devices - Google Patents
Nuclear power circulating water prefilter system winding and unwinding devices Download PDFInfo
- Publication number
- CN112774281A CN112774281A CN202011394633.7A CN202011394633A CN112774281A CN 112774281 A CN112774281 A CN 112774281A CN 202011394633 A CN202011394633 A CN 202011394633A CN 112774281 A CN112774281 A CN 112774281A
- Authority
- CN
- China
- Prior art keywords
- net
- cable
- retracting
- winding
- laying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000011045 prefiltration Methods 0.000 title claims description 18
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009963 fulling Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a winding and unwinding device of a nuclear power circulating water prefiltering system, which comprises a laying cable connected to a net bag, a net winding cable connected to the net bag, a tensioning cable connected to the net bag, a winding and unwinding table, a first winding and unwinding unit arranged on the winding and unwinding table, a second winding and unwinding unit arranged on the winding and unwinding table and a third winding and unwinding unit arranged on the winding and unwinding table, wherein the first winding and unwinding unit is connected with the first winding and unwinding unit; the first net winding and unwinding unit is connected with the net winding cable to drive the net winding cable to stretch and retract so as to realize net distribution or net winding; the second retracting and releasing unit is connected with the laying cable to drive the laying cable to move in a stretching mode to retract or lay the net; the third retracting unit is connected with the tensioning cable to drive the tensioning cable to do telescopic motion to assist in laying the cable and laying the net. The nuclear power circulating water prefiltering system collecting and releasing device realizes full-section interception of the filtering system, so that the filtering system is effectively protected, and the replacement efficiency of the filtering system can be improved.
Description
Technical Field
The invention relates to the field of nuclear power circulating water safety protection, in particular to a retraction device of a nuclear power circulating water prefilter system.
Background
The existing 'series tucking type nuclear power cold source filtering system' (utility model CN 208385019U) is used in practical engineering. This technique has included the device is put to cloth of string bag, and the device is put including fixed pulley, hank hand, traction rope and pier, the binding off end of guide net is connected with the initiating terminal of collecting the net, the pier is vertical fixed, the fixed pulley is do not installed to the top and the bottom of pier, and the rope end that pulls on the left side connects gradually the nexus of the string bag bottom rightmost of every series connection, and the rope end that pulls on the right connects gradually the nexus of the string bag bottom leftmost of series connection, and the fixed pulley that the rope passed through pier bottom and top is convoluteed on the hank hand. The technology solves the problem of complex netting cloth and protection, and improves the working efficiency.
The nuclear power circulating water prefilter system in the related art mainly has the following defects:
(1) the technology is characterized in that a distributing device composed of a manual winch (or an electric winch), pulleys, a traction rope, abutments and the like cannot realize full-section arrangement of the netting gear, namely, the netting gear cannot be effectively fixed with the pile platforms at the bottom and two sides of a water passing section, so that full-section interception cannot be realized in the working process, and when large-scale outbreak invasion of marine organisms is met, the function of the netting gear is discounted.
(2) This technique needs the surface of water operation, and the ship cooperation, occupational safety risk is great, and work efficiency is lower.
Disclosure of Invention
The invention aims to solve the technical problem of providing an improved deploying and retracting device for a nuclear power circulating water prefilter system.
The technical scheme adopted by the invention for solving the technical problems is as follows: constructing a winding and unwinding device of a nuclear power circulating water prefiltering system, wherein the filtering system comprises at least one net bag, a winding and unwinding cable, a tensioning cable, a winding and unwinding table, a first winding and unwinding unit, a second winding and unwinding unit and a third winding and unwinding unit, wherein the winding and unwinding cable is connected to the net bag;
the first net winding and unwinding unit is connected with the net winding cable to drive the net winding cable to stretch and retract so as to realize net distribution or net winding;
the second retracting and releasing unit is connected with the laying cable to drive the laying cable to move in a stretching mode to retract or lay the net;
the third retracting unit is connected with the tensioning cable to drive the tensioning cable to do telescopic motion to assist in laying the cable and laying the net.
Preferably, the first winding and unwinding unit comprises a first fixed pulley arranged on the winding and unwinding table and connected with the net winding cable, and a first winch arranged on the winding and unwinding table and connected with the net winding cable to drive the net winding cable to stretch.
Preferably, the second reeling and unreeling unit comprises a second fixed pulley arranged on the reeling and unreeling platform and connected with the laying cable, and a second winch arranged on the reeling and unreeling platform and connected with the laying cable to drive the laying cable to stretch;
the third winding and unwinding unit comprises a third fixed pulley arranged on the winding and unwinding table and connected with the tensioning cable, and a third winch arranged on the winding and unwinding table and connected with the tensioning cable to drive the tensioning cable to stretch.
Preferably, the laying cable is detachably arranged at the bottom of the net opening of the net bag;
the tensioning cable comprises a main rope and a plurality of branch ropes; one end of each branch rope is connected with the main rope, and the other end of each branch rope is connected with the side edge of the net port;
the main rope is connected to the third retracting unit.
Preferably, the retractable platform comprises a base, a pile foundation arranged on the base and a platform arranged on the pile foundation;
the first retractable unit and the second retractable unit are arranged on the platform at intervals.
Preferably, the base is provided with a bottom beam;
the net bag is provided with a first anchor ring detachably connected with the laying cable.
Preferably, a plurality of second anchor rings detachably penetrated with the tensioning cables are distributed on the pile foundation at intervals along the longitudinal direction.
Preferably, a third anchor ring connected with the tensioning cable is arranged at the net opening of the net bag.
Preferably, a plurality of fourth anchor rings detachably connected with the net retracting cable are arranged on the net bag.
Preferably, the number of the net bags is multiple, and the net bags are arranged side by side;
the first retracting units are divided into two groups, and the two groups of first retracting units are spaced and arranged side by side;
the two groups of second retracting units are arranged at intervals and in parallel;
the first folding and unfolding units are arranged in parallel, and the second folding and unfolding units are arranged in parallel.
Preferably, the first winch, the second winch and/or the third winch are/is an electric winch or a manual winch.
The device for retracting the nuclear power circulating water prefilter system has the following beneficial effects: this nuclear power circulating water prefiltering system winding and unwinding devices accessible first unit that receive and releases drives this receipts net hawser concertina movement and realizes receiving the net to receive and unwind the unit through the second and release this cloth and put hawser concertina movement and drive this taut hawser concertina movement through the third and release the unit and assist cloth and put hawser cloth net, thereby can realize filtration system's full section interception, and make filtration system obtain effective protection, and can accomplish on the platform, need not diving operation and surface of water operation, can practice thrift the human cost, promote filtration system change efficiency.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a top view of a nuclear power circulating water pre-filtration system retraction device in some embodiments of the present disclosure;
FIG. 2 is a schematic view of a partial structure of the retraction device of the nuclear power circulating water prefilter system shown in FIG. 1 according to the invention;
FIG. 3 is a schematic view of a partial structure of the retraction device of the nuclear power circulating water prefilter system shown in FIG. 2 at another angle;
FIG. 4 is a side view of the retraction device of the nuclear power circulating water prefilter system shown in FIG. 1.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Fig. 1 and 2 show a retraction device of a nuclear power circulating water prefilter system of the invention. The retraction device of the nuclear power circulating water prefiltering system can be used for coping with increasingly serious invasion of marine organisms into a cooling water system of a nuclear power plant, and the occurrence of shutdown and shutdown events is avoided. This nuclear power circulating water prefiltering system winding and unwinding devices can realize filtration system's full section interception to make filtration system effectively protect, and can accomplish on the platform, need not dive operation and surface of water operation, can practice thrift the human cost, promote filtration system change efficiency.
As shown in fig. 1 to 3, the filtering system 10 may include a plurality of net bags 11 arranged side by side, and the plurality of net bags 11 may be connected in series. In some embodiments, the number of the net bags 11 may be three, and it is understood that the net bags 11 may not be limited to three in other embodiments. In some embodiments, the net bag 11 may be provided with a first anchor ring 12, the first anchor ring 12 may be located on the bottom surface of the net mouth of the net bag 11, the number of the first anchor rings 12 may be multiple, and in some embodiments, the number of the first anchor rings 12 may be four, and the four first anchor rings 12 are distributed on the bottom surfaces of the net mouths of the three net bags 11. In some embodiments, the net mouth of the net bag 11 and two opposite sides of the net mouth may be provided with three third anchor rings 13, and each side of the net mouth may be provided with three third anchor rings. In some embodiments, a plurality of fourth anchor rings may be disposed on the net bag 11, and the plurality of fourth anchor rings may be disposed side by side and at intervals along the length direction of the net bag 11. This fourth anchor ring can be the multirow, and multirow fourth anchor ring can correspond with these a plurality of string bags 11 and set up, and every row of fourth anchor ring can include a plurality of fourth anchor rings that set up along the length direction interval of string bag 11.
The retracting and releasing device of the nuclear power circulating water prefiltering system can comprise a retracting and releasing platform 20, a cable 30, a cable 40 for retracting a net, a cable 50 for tensioning, a first retracting and releasing unit 60, a second retracting and releasing unit 70 and a third retracting and releasing unit 80. The retractable table 20 is configured to be mounted with the first retractable unit 60, the second retractable unit 70, and the third retractable unit 80. The laying rope 30 can be connected to the net bag 11 and can be used for laying the net bag 11, and specifically, the laying rope 30 can be detachably connected to the first anchor ring 12. The net retracting cable 40 may be connected to the net bag 11 and may be used for net retracting, and in particular, in some embodiments, the net retracting cable 40 may be detachably connected to the fourth anchor ring. The tightening cable 50 may be connected to the net bag 11 to assist the netting, and the tightening cable 50 may be detachably connected to the third anchor ring 13. The first retracting unit 60 is disposed on the retracting platform 20, can be connected to the net retracting cable 40, and can be used to drive the net retracting cable 40 to move in a telescopic manner, so as to retract the net. The second retractable unit 70 may be disposed on the retractable table 20, and may be disposed side by side with the front and back at an interval, and the second retractable unit 70 may be located in front of the retractable table 20. The second retractable unit 70 can be connected to the cable 30 for laying, and can be used to drive the cable 30 for laying to perform a telescopic motion, so as to implement a net laying, and the third retractable unit 80 can be arranged side by side with the second retractable unit 70, and can be connected to the tensioning cable 50, so as to drive the tensioning cable 50 to perform a telescopic motion, thereby tensioning the net pocket 11 in the net laying, and further assisting the net laying.
Further, in some embodiments, the receiving and releasing station 20 may be partially extended into the water, and the receiving and releasing station 20 may include a base 21, a pile 22, and a platform 23. The base 21 may be disposed under water, and the base 21 may have a substantially rectangular parallelepiped shape. Of course, it is understood that in other embodiments, the base 21 may not be limited to being rectangular. The pile foundation 22 may be cylindrical, and the pile foundation 22 may extend out of the water surface in a direction perpendicular to the base 21. The number of the pile foundations 22 can be four, and the four pile foundations 22 can be arranged at intervals. The four pilings 22 may be used to support the platform 23. Of course, it will be appreciated that in other embodiments, the pilings 22 may not be limited to four. In some embodiments, a plurality of second anchor rings 221 may be disposed on the pile foundation 22; the second anchor rings 221 may be spaced apart along the longitudinal direction of the pile 22 and may be used to removably receive the tensioning cable 50 therethrough for positioning and installing the tensioning cable 50. The platform 23 can be disposed at one end of the pile 22 penetrating the water surface, and is connected to the pile 22. In some embodiments, a bottom beam 24 may also be disposed on the base 21. The bottom beams 24 may be laterally disposed and located between two adjacent pilings 22, and the filter apparatus 10 may be located between two adjacent pilings 22.
Further, in some embodiments, the number of the laying cables 30 may be two, and the two laying cables 30 may be located at two opposite sides of the filtering system 10, and specifically, may be located at the net mouth side of the two outermost net bags 11 along the laying direction of the net bags 11. The end of each laying cable 30 may form two branches, and the four branches of the two laying cables 30 may be detachably connected to the four first anchor rings 12 at the bottom of the mesh opening, respectively.
Further, in some embodiments, the net retracting cables 40 may be four, and the four net retracting cables 40 may be spaced apart at the top of the filtration system 10. Specifically, the four net retracting cables 40 may be spaced side by side along the arrangement direction of the net bags 11. One end of the net retracting rope 40 can be detachably connected to the fourth anchor ring of the net bag 30, and the other end can be connected to the first retracting unit 60.
Further, in some embodiments, the tensioning cable 50 may be two, and the tensioning cable 50 may be located on the net mouth side of the two outermost net bags 11 and be arranged corresponding to the two pile foundations 22. In some embodiments, the tensioning cable 50 may include a main rope 51 and a plurality of branch ropes 52. One end of each of the branch ropes 52 can be connected to the main rope 51, and the other end can be connected to the laying rope 30 at the side of the net mouth of the net bag 11. In some embodiments, the cord 52 may be two, although it is understood that in other embodiments, the cord 52 may not be limited to two. One end of the main rope 51 is arranged at the net opening side of the net bag 11, and the other end of the main rope 51 can sequentially penetrate out of the second anchoring ring 221 on the pile foundation 22 to be connected to the third retractable unit 80.
In some embodiments, the first retractable units 60 can be provided in two groups, and the two groups of the first retractable units 60 can be arranged side by side and spaced apart from each other along the direction in which the net bags 11 are arranged side by side. The two sets of first reeling units 60 can be respectively connected with the reeling cables 40 at the corresponding positions. Each first retracting and releasing unit 60 may include a first fixed pulley 61, a first winch 62. The number of the first fixed pulleys 61 may be two and the number of the first winders 62 may be two in each first winding and unwinding unit 60. The first fixed pulley 61 is disposed on the retractable table 20, and specifically, the first fixed pulley 61 is suspended on a column of the retractable table 20 and can be used for being connected with the net retracting rope 40 to change the direction of the net retracting rope 40. Specifically, the net hauling cable 40 may be wound around the first winch 62 around the first fixed sheave 61. The first winch 62 is disposed on the winding and unwinding table 20 and can be connected to the net winding cable 40, and the net winding cable 40 can be driven to stretch and retract by rotation, so that net winding can be achieved. In some embodiments, the first winch 62 may be a manual winch, although it is understood that in other embodiments, the first winch 62 may not be limited to a manual winch, and in other embodiments, the first winch 62 may be an electric winch.
In some embodiments, the second retracting units 70 may be two sets, the two sets of second retracting units 70 may be spaced apart and arranged side by side along the direction in which the net bag 11 is arranged side by side, and the two sets of second retracting units may be arranged at the front side of the two sets of first retracting units. Each set of second retraction units 70 may include a second fixed sheave 71, a second hoist 72. The second fixed pulley 71 may be disposed on the receiving and releasing table 20 and may be connected to the laying cable 30. Specifically, the second fixed pulley 71 can be disposed on the upright of the receiving and releasing platform 20 and can be used for changing the direction of the laying cable 30. The laying cable 30 can be wound around the second fixed sheave 71 on the second winding machine 72. The second winch 72 and the first winch 62 may be disposed on the reeling and unreeling platform 20 side by side, and may be connected to the cable 30, and the second winch 72 may rotate to drive the cable 30 to move in a telescopic manner, thereby realizing reeling or reeling. In some embodiments, the second winch 72 may be a manual winch, although it is understood that in other embodiments, the second winch 72 may not be limited to a manual winch and may be an electric winch.
In some embodiments, the third recovery units 80 may be provided in two sets, with the two sets of third recovery units 80 being disposed side-by-side between the two sets of second recovery units 70 and side-by-side with the two sets of second recovery units, with each set of third recovery units 80 including a third fixed sheave 81 and a third winch 82. The third fixed pulley 81 may be disposed on the receiving and releasing platform 20 and disposed side by side with the second fixed pulley 71, and specifically, the third fixed pulley 81 may be suspended on a column disposed on the receiving and releasing platform 20, may be connected with the tightening cable 50, and may be used to change the direction of the tightening cable 50. In some embodiments, the main rope of the taut cable 50 may be routed around the third fixed sheave 81 to the third hoist 82. In some embodiments, the third winch 82 may be disposed on the retrieving and releasing station 20 and may be connected to the tensioning cable 50, and may be used to drive the tensioning cable 50 to extend and retract, thereby assisting in netting. In some embodiments, the third winch 82 may be a manual winch, although it is understood that in other embodiments, the third winch 82 may not be limited to a manual winch, and in other embodiments, the third winch 82 may be an electric winch.
As shown in fig. 1 to 4, when the winding and unwinding device of the nuclear power circulating water prefilter system is installed for the first time, the laying cables are installed in the first step, specifically, one ends of two laying cables 40 and the second winding and unwinding unit 60 are installed in place, and four branches at the tail ends of the two laying cables 40 are placed on the winding and unwinding table 20 for subsequent connection with the bottom of the net mouth of the net bag 11. And secondly, mounting one ends of the main ropes of the left and right tensioning cables 50 and the third reeling and unreeling unit 80 in place, and placing the other ends of the main ropes of the two tensioning cables 50 and the two branch ropes on the reeling and unreeling table 20 for subsequent connection with a third anchor ring 13 on the side of the net mouth.
When the device for deploying and retracting the nuclear power circulating water prefilter is used for laying nets, in the first step, four branches of two laying mooring ropes 30 are respectively connected to four first anchor rings 12 at the bottoms of net openings of three net bags 11; secondly, connecting four net-collecting cables 40, connecting one ends of the four net-collecting cables 40 to a fourth anchor ring at the net opening in a buckling manner, and respectively connecting the other ends of the four net-collecting cables 40 to four first windlasses 62 of the first winding and unwinding unit 60; thirdly, throwing the bag tail of the net bag 11 down to the water taking open channel, and arranging the rest net mouth on the platform 23 of the collecting and releasing platform 20; fourthly, the other ends of the branch ropes 52 and the main ropes 51 of the two tensioning cables 50 are respectively connected to the third anchor rings 13 on the side edges of the net openings of the net bags 11 and are connected with the net openings by adopting a loop; and fifthly, operating the second winch 72 and the third winch 82 to rotate to complete the positioning and tensioning of the net bag, and opening the net mouth of the net bag 11 when the first anchor ring 12 and the third anchor ring 13 of the net bag 11 reach the bottom beam 24. In some embodiments, the bottom of the laying cable 30 may be provided with a bottom shoe, and when the laying cable 30 is lifted upwards, the tensioning cable 50 may be lifted by rotating the third winch 82, while laying and tensioning are performed. When deployed in place, the E 'F' G 'H' at the bottom of the tuck net 11 coincides with the sill EFGH.
When the winding and unwinding device of the nuclear power circulating water prefiltering system winds up a net, in the first step, the second winch 72 and the third winch 82 are rotated, and the net distributing cable 30 and the tensioning cable 40 are loosened; and secondly, operating four first winding machines 62 to drive four pre-arranged net-collecting cables 40 to lift the bottom of the net mouth upwards, wherein the top edge of the net mouth and the bottom edge of the net mouth are combined to realize closing in the lifting process. When the net mouth of the net bag 11 reaches the platform 23, the net laying cable is immediately disconnected from the first anchor ring 12 of the net mouth, and the disconnected net laying cable is reliably connected with the fixed point on the platform 23, so that the net can be laid next time; thirdly, continuously operating the first winch 62, when the tensioning cable 50 and the third anchor ring 13 connected with the side edge of the net opening rise to the platform, releasing the tensioning cable 50 from the net opening, and reliably hooking the tensioning cable 50 and a fixed point on the platform 23 so as to facilitate the next net distribution; fourthly, continuously operating the first winch 62, stopping operating the first winch 62 when the net mouth of the net bag 11 reaches the limit position, and unwinding the net-collecting cable 40 from the net mouth after the fixed point on the platform 23 is reliably connected with the net bag; fifthly, the net retracting cable 40 is loosened, the net retracting cable 40 can be hung on any one of the fourth anchor rings far away from the net mouth of the net bag 11, and then the first winch 62 is continuously rotated to enable the whole filtering device to be retracted to the platform 23.
It is to be understood that the foregoing examples, while indicating the preferred embodiments of the invention, are given by way of illustration and description, and are not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (11)
1. A nuclear power circulating water pre-filtering system retracting device comprises at least one net bag (11), and is characterized by comprising a laying cable (30) connected to the net bag (11), a net retracting cable (40) connected to the net bag (11), a tensioning cable (50) connected to the net bag (11), a retracting platform (20), a first retracting unit (60) arranged on the retracting platform (20), a second retracting unit (70) arranged on the retracting platform (20), and a third retracting unit (80) arranged on the retracting platform (20);
the first net retracting unit (60) is connected with the net retracting cable (40) to drive the net retracting cable (40) to move in a stretching mode to retract the net;
the second retracting unit (70) is connected with the laying cable (30) to drive the laying cable (30) to stretch and retract to realize net laying;
the third retracting unit (80) is connected with the tensioning cable (50) to drive the tensioning cable (50) to perform telescopic motion to assist the laying of the cable (30).
2. The retracting device of the nuclear power circulating water prefiltering system according to claim 1, wherein the first retracting unit (60) comprises a first fixed pulley (61) arranged on the retracting platform (20) and connected with the net retracting cable (40), and a first winch (62) arranged on the retracting platform (20) and connected with the net retracting cable (40) to drive the net retracting cable (40) to extend and retract.
3. The winding and unwinding device of the nuclear power circulating water prefilter system according to claim 2, wherein the second winding and unwinding unit (70) comprises a second fixed pulley (71) arranged on the winding and unwinding table (20) and connected with the laying cable (30), and a second winch (72) arranged on the winding and unwinding table (20) and connected with the laying cable (30) to drive the laying cable (30) to stretch and retract;
the third reeling and unreeling unit (80) comprises a third fixed pulley (81) which is arranged on the reeling and unreeling table (20) and connected with the tensioning cable (50), and a third winch (82) which is arranged on the reeling and unreeling table (20) and connected with the tensioning cable (50) to drive the tensioning cable (50) to stretch.
4. The retracting and releasing device of the nuclear power circulating water prefilter system according to claim 1, wherein the laying mooring rope (30) is detachably arranged at the bottom of a net opening of the net bag (11);
the tensioning cable (50) comprises a main rope (51) and a plurality of branch ropes (52); one end of each branch rope (52) is connected with the main rope (51) and the other end of each branch rope is connected with the side edge of the net opening;
the main rope (51) is connected to the third retracting unit.
5. The retraction device of the nuclear power circulating water prefiltering system according to claim 1, wherein the retraction platform (20) comprises a base (21), a pile foundation (22) arranged on the base (21), and a platform (23) arranged on the pile foundation (22);
the first retractable unit (60) and the second retractable unit (70) are arranged on the platform (23) at intervals.
6. The retraction device of the nuclear power circulating water prefilter system according to claim 5, wherein a bottom beam (24) is arranged on the base (21);
the net bag (11) is provided with a first anchor ring (12) which is detachably connected with the laying cable (30).
7. The retraction device for the nuclear power circulating water prefilter system according to claim 5, wherein a plurality of second anchor rings (221) detachably penetrating the tension cable (50) are longitudinally distributed on the pile foundation (22) at intervals.
8. The retracting device of the nuclear power circulating water prefiltering system according to claim 1, wherein a third anchor ring (13) connected with the tensioning cable (50) is arranged at a net port of the net bag (11).
9. The retracting device of the nuclear power circulating water prefiltering system according to claim 1, wherein a plurality of fourth anchor rings detachably connected with the net retracting cable (40) are arranged on the net bag (11).
10. The retracting and releasing device of the nuclear power circulating water prefilter system according to claim 1, wherein a plurality of net bags (11) are arranged side by side;
the first folding and unfolding units (60) are divided into two groups, and the two groups of the first folding and unfolding units (60) are arranged at intervals and in parallel;
the two groups of second folding and unfolding units (70) are arranged in parallel at intervals;
the number of the third retractable units (80) is two, the two groups of the third retractable units (80) are arranged at intervals and side by side, and the two groups of the third retractable units (80) and the second retractable units (70) are arranged side by side.
11. The retracting and releasing device of the nuclear power circulating water prefiltering system according to claim 3, wherein the first winch, the second winch and/or the third winch are electric winches or manual winches.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011394633.7A CN112774281A (en) | 2020-12-02 | 2020-12-02 | Nuclear power circulating water prefilter system winding and unwinding devices |
| PCT/CN2021/103329 WO2022116525A1 (en) | 2020-12-02 | 2021-06-29 | Draw-in and cast device for nuclear power circulating water prefiltration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011394633.7A CN112774281A (en) | 2020-12-02 | 2020-12-02 | Nuclear power circulating water prefilter system winding and unwinding devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112774281A true CN112774281A (en) | 2021-05-11 |
Family
ID=75750664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011394633.7A Pending CN112774281A (en) | 2020-12-02 | 2020-12-02 | Nuclear power circulating water prefilter system winding and unwinding devices |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112774281A (en) |
| WO (1) | WO2022116525A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012145020A1 (en) * | 2011-04-21 | 2012-10-26 | Performance Contracting, Inc. | Multimodal debris trap |
| 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 |
| CN109958114A (en) * | 2019-04-09 | 2019-07-02 | 泰州市金海运船用设备有限责任公司 | The construction method of underwater arresting net |
| CN110327683A (en) * | 2019-06-21 | 2019-10-15 | 中广核工程有限公司 | A kind of nuclear power station aquarium filter net and its assembly and disassembly methods |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19736632C2 (en) * | 1997-08-22 | 1999-12-09 | Hansa Metallwerke Ag | Device for sterilizing and filtering water that flows through a sanitary facility |
| CN203229936U (en) * | 2013-03-08 | 2013-10-09 | 浙江舟山联合动能新能源开发有限公司 | Blocking net device for protecting marine equipment |
| CN204473081U (en) * | 2015-03-16 | 2015-07-15 | 武汉大学 | Garbage-cleaning equipment on a kind of Multipurpose water |
| CN208893753U (en) * | 2018-06-17 | 2019-05-24 | 上海仪耐新材料科技有限公司 | A kind of lifting deployment device of nuclear power cold source filtering dictyosome |
| 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 |
-
2020
- 2020-12-02 CN CN202011394633.7A patent/CN112774281A/en active Pending
-
2021
- 2021-06-29 WO PCT/CN2021/103329 patent/WO2022116525A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012145020A1 (en) * | 2011-04-21 | 2012-10-26 | Performance Contracting, Inc. | Multimodal debris trap |
| 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 |
| CN109958114A (en) * | 2019-04-09 | 2019-07-02 | 泰州市金海运船用设备有限责任公司 | The construction method of underwater arresting net |
| CN110327683A (en) * | 2019-06-21 | 2019-10-15 | 中广核工程有限公司 | A kind of nuclear power station aquarium filter net and its assembly and disassembly methods |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022116525A1 (en) | 2022-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112774281A (en) | Nuclear power circulating water prefilter system winding and unwinding devices | |
| CN206645744U (en) | There is the hoist engine of solidus adjustment function under without stress | |
| CN210505106U (en) | Auxiliary retraction device for shore power cable of boat | |
| CN109159860A (en) | A kind of trailer system of cable laying ship | |
| CN202911923U (en) | Combined energy source boat | |
| JP3861258B2 (en) | Automatic fish net lifting method | |
| CN115152679A (en) | Steel structure aquaculture net cage with automatically, receive net function | |
| CN110973016A (en) | Fish driving device and breeding system adopting same | |
| CN113294022A (en) | Steel strand penetrating method utilizing wind power tower cylinder foundation prestressed cable preformed hole | |
| WO2018080310A1 (en) | Cableway system for forestry, and method for use of same | |
| CN105645290A (en) | Arrangement to hoist wind turbine component | |
| CN108018778B (en) | Catwalk cable erection traction system and catwalk cable rapid erection method for non-navigable water area | |
| CN216961208U (en) | Adult fish catching device suitable for aquaculture net cage | |
| CN214348075U (en) | Cleaning sliding assembly and water platform | |
| CN114081008A (en) | Pile type lifting net cage and operation method thereof | |
| JPH09103219A (en) | Lifting and lowering type culturing facility | |
| CN114212193B (en) | Underwater robot passive sliding rail arrangement and recovery system and method | |
| CN208500203U (en) | A kind of winch gear for the lifting of antifouling of ship's hull screen | |
| CN116210630A (en) | Screen lifting, removing and installing device applied to net cage and operation method | |
| CN214960136U (en) | Submarine cable monitoring base station | |
| CN111663509A (en) | Riverway water ecological treatment equipment and riverway water ecological treatment method | |
| CN206679195U (en) | Deep-layer stirring ship processor overturns inspection platform | |
| KR100277293B1 (en) | Operation automation device of super fishery | |
| CN114403105B (en) | Adult fish catching device suitable for aquaculture net cage | |
| CN113924973B (en) | Folding laver cultivation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |