CN118390471A - A trash device for nuclear power station cold source system water intaking department - Google Patents

Abstract

The invention discloses a trash device for a water taking part of a cold source system of a nuclear power station, which comprises a dam body, wherein an extension dam is fixedly connected to the opening position of the dam body, and a water inlet interception mechanism is arranged on the inner side of the extension dam. The large-area sundries in the water source are intercepted initially through the water inlet interception mechanism arranged at the opening of the dam body, the surfaces of the filter plates can be cleaned automatically through the matched rear scraping plates and the front scraping plates, fine silt, float grass plastic bags and the like entering the water source in the filter holes of the filter plates are conveyed through the conveying units, the conveyed water source and floats continuously to the inside of the collecting box under conveying power, the floats in the water source are scraped through the floating removing mechanism arranged at the upper side of the collecting box, the floats are discharged through the float outlet, and the silt is pushed to the sewage collecting box along with the conveying power of the water source and the conveying units, so that the comprehensive interception of the sundries at the water intake pipe is realized, the floats and the silt are collected in a classified mode, and the water intake safety performance of a cold source system of a nuclear power station is improved.

Description

A trash device for nuclear power station cold source system water intaking department

Technical Field

The invention belongs to the technical field of trash devices, and particularly relates to a trash device for a water taking part of a cold source system of a nuclear power station.

Background

The cold source system of the nuclear power station is a complex and key part and is mainly used for maintaining the normal operation temperature of equipment in the nuclear power station, preventing the equipment from overheating and ensuring the safety and stability of nuclear reaction, and the cold source water intake of the nuclear power station is designed to take water from the open sea through a water intake runner surrounded by a cofferdam, so that compared with a nuclear power station with an open water intake, the risk of being affected by open sea storms and marine organisms is relatively lower; however, at the same time, for the dirt and marine creatures which enter the water intake runner, the dirt and marine creatures are difficult to flow out of the open sea by means of stormy waves and tides, and the method is usually performed by manual timing salvage, so that the method is time-consuming and labor-consuming, the efficiency is low, and part of floating objects are easy to leak out by manual salvage.

Among the prior art, CN 212375808U's an environmental protection ditch debris blocking device, including advancing dirty box, conveyer belt and claw row, advance dirty box and be inside hollow cuboid structure, the bottom welding that advances dirty box has the support column, advance the both ends of dirty box all with external intercommunication, advance the one end of dirty box and be connected at external check fence net, advance the other end symmetry of dirty box and install two sets of baffles, be equipped with the conveyer belt between the baffle, the conveyer belt sets up for the slope and one end extends to advance in the dirty box, the conveyer belt comprises conveyer belt and two sets of rotation axis, connect through the conveyer belt between the rotation axis, the upper surface of conveyer belt is equipped with the claw row, the claw row passes through the mount pad welding on the conveyer belt, one side that the conveyer belt kept away from into dirty box is equipped with and receives dirty case. The environment protection ditch sundry blocking device has great help to clean sundries in a ditch through simple structural design.

In order to solve the problem that the ditch is too much in sundries accumulation and can be blocked, the prior art adopts a mode of arranging claw rows and a dirt accommodating box and effectively collecting sundries intercepted by a grid net in a concentrated manner.

But in the in-service use process, even if sundries in front of the lattice net are intercepted and treated, the sundries are difficult to remove aiming at some water plants or winding matters such as plastic bags, and the light floaters and the silt cannot be intercepted and collected in a classified manner, so that the floaters easily cause blockage at the water intake, the water intake efficiency and the quality are influenced, and the blockage seriously can influence the safety of a cold source system of a nuclear power station.

Therefore, we provide a trash rack device for water intaking department of cold source system of nuclear power station, solve prior art and can't realize the high-efficient interception of trash and receive the cable, influence the problem of nuclear power station cold source system safety, can classify the interception of receiving the cable to water source floater and silt, water intaking efficiency is high.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a trash device for a water taking part of a cold source system of a nuclear power station, which has the advantages of capability of collecting and intercepting water source floaters and sediment in a classified manner and high water taking efficiency.

In order to achieve the above purpose, the present invention provides the following technical solutions: a trash rack for nuclear power station cold source system water intaking department, includes the dam body, the open position fixedly connected with of dam body extends the dam, the inboard of extending the dam is provided with into water interception mechanism, it includes interception board and filter plate to advance water interception mechanism, one side of intaking interception mechanism is provided with the diversion mechanism of installing at the dam body inside, one side of diversion mechanism be provided with the inner wall through connection's of dam body rear end receipts and hold the case, the upper end of receiving and holding the case is provided with the mechanism that floats, the rear end of the dam body is provided with the water intake pipe, the inside of the dam body is provided with receives dirty case, receive the inboard movable mounting of dirty case and have the filter, the dam body is whole to be "匚" type structure, the bottom of the dam body passes through concrete hardening, and the dam body opening is towards the water source, the inboard lateral wall of water intake pipe is provided with the counterflow valve.

Preferably, the interception plate is detachably arranged on the inner side of the dam body, a limit frame is fixedly arranged at the upper end of the interception plate, a first motor is fixedly arranged on the outer surface of one end of the limit frame, a threaded rod which is rotationally connected with the inner wall of the limit frame is fixedly connected to the output shaft of the first motor, and a movable block is connected to the outer surface of the threaded rod in a threaded manner.

Preferably, the movable block is of an irregular T-shaped block structure, the outer surface of the front side of the movable block is in sliding connection with the inner wall of a sliding groove preset on the inner wall of the front side of the interception plate, the lower surface of the movable block is fixedly connected with a rear scraping plate and a front scraping plate respectively, the inner side surfaces of the rear scraping plate and the front scraping plate are movably connected with the outer surface of a filter plate fixedly mounted on the inner side of the interception plate respectively, and the position below the middle section of the filter plate is of a solid plate structure.

Preferably, the diversion mechanism comprises a conveying unit, the conveying unit is formed by combining a shaft moving rod and a conveying belt, the shaft moving rod is provided with two groups, the outer surfaces of the shaft moving rods are rotationally connected through the conveying belt, a water scooping box is fixedly arranged on the outer surface of the conveying belt, and the water scooping boxes are horizontally distributed at equal intervals.

Preferably, a group of the one end surface fixedly connected with follower assembly of axle movable rod, follower assembly is including driving pulley and driven pulley, the central internal surface of driving pulley and the one end fixed connection of axle movable rod, the surface of driving pulley passes through the belt rotation with the surface of driven pulley and is connected, the central internal surface fixed mounting of driven pulley has the connecting rod, the surface fixed connection of connecting rod has supplementary stripping element.

Preferably, the auxiliary stripping assembly comprises a mounting slat, movable pieces are fixedly arranged on the outer surface of the mounting slat, three groups of movable pieces are arranged on the mounting slat and take the connecting rods as central shafts for circular array arrangement, each movable piece comprises a fixing plate, the fixing plates are fixedly arranged on the outer surface of the mounting slat, fixing sleeves are fixedly connected with the inner sides of the fixing plates, pin rods are rotatably arranged on the inner surfaces of the fixing sleeves, stripping claws are fixedly connected with the outer surfaces of the pin rods, and two groups of stripping claws are equidistantly arranged on the outer surfaces of the mounting slat.

Preferably, the inner wall of one side of the collecting box is in through connection with the inner wall of one side of the dam body, which is far away from the extension dam, a floater guiding-out opening for removing floaters is formed in one end of the collecting box, a sediment funnel is in through connection with the lower end of the collecting box, the sediment funnel is in a funnel-shaped structure with a wide upper part and a narrow lower part, and a sediment guiding-out opening extending to the inside of the sewage collecting box is in through connection with the inner wall of the lower side of the sediment funnel.

Preferably, the floating removing mechanism comprises a second motor fixedly arranged on the outer surface of the collecting box, a driving rotating wheel is fixedly arranged on an output shaft of the second motor, a driven rotating wheel is arranged on one side of the driving rotating wheel, a transmission chain is connected to the outer surface of the driving rotating wheel in a rotating mode, and the outer surface of the driving rotating wheel is connected with the outer surface of the driven rotating wheel in a rotating mode through the transmission chain.

Preferably, the inside of drive chain is provided with scrapes the float subassembly, scrape the float subassembly and including scraping the float plate, scrape the float plate and form by assembly plate and rubber scraper blade combination, the both sides surface fixed mounting of assembly plate has the installation fixture block, installation fixture block fixed mounting is at the inside surface of drive chain.

Preferably, the downside of filter is provided with silt filter components, silt filter components is including lower diaphragm and last diaphragm, lower diaphragm and last diaphragm respectively with receive the inboard fixed surface of dirty case and be connected, the upper end fixed mounting of lower diaphragm has articulated seat one, the upper surface swing joint of articulated seat one has the seat of rotating, the surface fixedly connected with extensible member of seat, the upper end surface rotation of extensible member is connected with the articulated seat two of last diaphragm lower fixed surface connection, the upper end of last diaphragm and the one end lower fixed surface of filter are connected, the filter is whole to be the state of slope 30 angles and is receiving the inboard of dirty case respectively, the lower extreme surface of filter and the inner wall swing joint who receives dirty case, the lower extreme of filter is provided with the drain.

Compared with the prior art, the invention has the beneficial effects that:

the large-area sundries in the water source are intercepted initially through the water inlet interception mechanism arranged at the opening of the dam body, the surfaces of the filter plates can be cleaned automatically by the aid of the rear scraping plates and the front scraping plates, manpower and material resources are reduced, fine silt, aquatic weed living plastic bags and the like entering the water source in the filter holes of the filter plates are conveyed by the aid of the conveying units, the conveyed water source and floaters continuously float towards the inside of the collecting box under conveying power, floaters in the water source are scraped by the aid of the floating removing mechanism arranged at the upper side of the collecting box, the floaters are discharged through the floaters outlet, the silt is conveyed to the receiving box along with the conveying power of the water source and the conveying units, a part of the silt falls onto the filter plates through the silt outlet below the collecting box, and finally fine impurities such as the silt are discharged through the drain outlet at the inclined lower end of the filter plates, so that the floaters and the silt are collected in a classified mode when the overall interception of the impurity at the water taking pipe is realized, and the safety performance of the cold source system of the nuclear power station is improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic side view of a dam of the present invention;

FIG. 4 is a schematic view of the structure of the water inlet interception mechanism of the present invention;

FIG. 5 is a schematic view of a partial structure of a water inlet interception mechanism of the present invention;

FIG. 6 is a schematic view of the water diversion mechanism of the present invention in a bottom view;

FIG. 7 is an enlarged schematic view of the structure of FIG. 6A according to the present invention;

FIG. 8 is a schematic view of the auxiliary stripping assembly of the present invention;

FIG. 9 is a schematic perspective exploded view of the movable member of the present invention;

FIG. 10 is a schematic view of a partial connection structure of the cable box and the dam of the present invention;

FIG. 11 is a schematic diagram of a connection structure between a floating removing mechanism and a collecting box according to the present invention;

FIG. 12 is a schematic view of the floating removing mechanism according to the present invention;

FIG. 13 is an enlarged schematic view of the structure of FIG. 12B according to the present invention;

FIG. 14 is a schematic view of a filter plate according to the present invention;

Fig. 15 is an enlarged schematic view of the structure of fig. 14C according to the present invention.

In the figure: 1. a dam body; 11. extending a dam; 12. a water intake pipe; 2. an interception plate; 20. a chute; 21. a filter plate; 22. a limit frame; 221. a first motor; 222. a threaded rod; 223. a movable block; 224. a rear scraper; 225. a front scraper; 3. a transfer unit; 31. a shaft lever; 32. a conveyor belt; 33. a scooping box; 34. a driven assembly; 341. a driving pulley; 342. a driven pulley; 343. a connecting rod; 35. an auxiliary stripping assembly; 351. mounting a slat; 352. a movable member; 3521. a fixing plate; 3522. a fixed sleeve; 3523. a pin rod; 3524. a peeling claw; 4. a sewage receiving box; 5. a filter plate; 51. a lower cross plate; 511. a hinge seat I; 512. a rotating seat; 513. a telescoping member; 514. a hinge seat II; 515. an upper cross plate; 6. a cable collecting box; 61. a float outlet; 62. a silt hopper; 63. a sediment outlet; 7. a floating removing mechanism; 71. a second motor; 711. a driving rotation wheel; 712. a driven rotating wheel; 713. a drive chain; 72. a scraping plate; 721. and installing a clamping block.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present invention more apparent, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.

Example 1

Referring to fig. 1-15, the present invention provides a technical solution: a trash rack for a water intake of a cold source system of a nuclear power station comprises a dam body 1, an extension dam 11 is fixedly connected to an opening position of the dam body 1, a water intake interception mechanism is arranged on the inner side of the extension dam 11 and comprises an interception plate 2 and a filter plate 21, a water diversion mechanism arranged inside the dam body 1 is arranged on one side of the water intake interception mechanism, a collecting box 6 penetrating and connected with the inner wall of the rear end of the dam body 1 is arranged on one side of the water diversion mechanism, a floating mechanism 7 is arranged at the upper end of the collecting box 6, a water intake pipe 12 is arranged at the rear end of the dam body 1, a sewage collecting box 4 is arranged inside the dam body 1, a filter plate 5 is movably arranged on the inner side of the sewage collecting box 4, the whole dam body 1 is of a '匚' structure, the bottom of the dam body 1 is hardened through concrete, the opening of the dam body 1 faces to a water source, the extension dam 11 is provided with two groups and is distributed in a mirror image relative to the central axis of the dam body 1, the height of the extension dam 11 is lower than the height of the dam body 1, large-area sundries in a water source are primarily intercepted through a water inlet interception mechanism arranged at the opening of the dam body 1, the surfaces of filter plates 21 can be automatically cleaned by matching a rear scraping plate 224 and a front scraping plate 225, manpower and material resources are reduced, the conveying unit 3 is utilized to convey fine silt, float grass plastic bags and the like entering the water source in the filter holes of the filter plates 21, the conveyed water source and floats continuously to the inside of the collecting box 6 under the conveying power, the floating mechanism 7 at the upper side of the collecting box 6 is matched to scrape the floating matters in the water source, the floating matters are discharged through a floating matter outlet 61, the silt is abutted to the sewage collecting box 4 along with the conveying power of the water source and the conveying unit 3, a part of silt falls on the filter plates 5, a part of the silt is conveyed to the filter plates 5 through a silt outlet 63 below the collecting box 6, and finally, tiny impurities such as sediment are discharged through a sewage outlet at the inclined lower end of the filter plate 5, so that the comprehensive interception of the impurities at the water intake pipe 12 is realized, the floats and the sediment are collected in a classified manner, and the water intake safety performance of a cold source system of the nuclear power station is improved.

Example two

Referring to fig. 1 to 15, on the basis of the first embodiment, in order to implement interception treatment of large-area sundries at a water intake source in front of a dam body 1:

The interception plate 2 is detachably arranged on the inner side of the dam body 1, a limit frame 22 is fixedly arranged at the upper end of the interception plate 2, a motor I221 is fixedly arranged on the outer surface of one end of the limit frame 22, a threaded rod 222 which is rotationally connected with the inner wall of the limit frame 22 is fixedly connected to the output shaft of the motor I221, a movable block 223 is connected to the outer surface of the threaded rod 222 in a threaded manner, the movable block 223 is of an irregular T-shaped block structure as a whole, the outer surface of the front side of the movable block 223 is in sliding connection with the inner wall of a sliding groove 20 preset on the inner wall of the front side of the interception plate 2, a rear scraping plate 224 and a front scraping plate 225 are fixedly connected to the lower surface of the movable block 223 respectively, and the inner side surfaces of the rear scraping plate 224 and the front scraping plate 225 are movably connected with the outer surface of a filter plate 21 fixedly arranged on the inner side of the interception plate 2 respectively;

When the water source enters the dam body 1 through the filtering holes at the upper section of the filter plate 21, the filter plate 21 intercepts large-area sundries in the water source, when the sundries cannot be retracted along with the thrust of water flow, the first motor 221 is controlled to be started, the output shaft of the first motor rotates to serve as a center of power transmission, the threaded rod 222 rotates at the moment, the movable block 223 horizontally moves along the limiting frame 22 under the double limiting effects of the thread adaptation and the sliding groove 20, and the rear scraping plate 224 and the front scraping plate 225 are driven to be closely attached to the surfaces of the two sides of the filter plate 21 to clean the sundries attached to the surfaces of the filter plate 21, the filter plate 21 is not required to be detached, and the water taking efficiency of the dam body 1 is effectively improved.

Example III

Referring to fig. 1-15, on the basis of the second embodiment, in order to achieve rapid guidance of a water source at a water source water intake site, the water intake efficiency of a cold source system of a nuclear power station is accelerated:

The water diversion mechanism comprises a conveying unit 3, the conveying unit 3 is formed by combining a shaft moving rod 31 and a conveying belt 32, the shaft moving rod 31 is provided with two groups, the outer surfaces of the two groups of shaft moving rods 31 are rotationally connected through the conveying belt 32, a water scooping box 33 is fixedly arranged on the outer surface of the conveying belt 32, the water scooping boxes 33 are horizontally distributed at equal intervals, a driven component 34 is fixedly connected with one end outer surface of one group of shaft moving rods 31, the driven component 34 comprises a driving belt pulley 341 and a driven belt pulley 342, the central inner surface of the driving belt pulley 341 is fixedly connected with one end of the shaft moving rod 31, the outer surface of the driving belt pulley 341 is rotationally connected with the outer surface of the driven belt pulley 342 through a belt, a connecting rod 343 is fixedly arranged on the central inner surface of the driven belt pulley 342, an auxiliary stripping component 35 is fixedly connected with a slat, the auxiliary stripping component 35 comprises a mounting 351, the outer surface of the installation slat 351 is fixedly provided with a movable piece 352, the installation slat 351 and the movable piece 352 are respectively provided with three groups and are distributed in a circular array by taking a connecting rod 343 as a central shaft, the movable piece 352 comprises a fixed plate 3521, the fixed plate 3521 is fixedly arranged on the outer surface of the installation slat 351, the inner side of the fixed plate 3521 is fixedly connected with a fixed sleeve 3522, the inner surface of the fixed sleeve 3522 is rotatably provided with a pin 3523, the outer surface of the pin 3523 is fixedly connected with a stripping claw 3524, the outer surface of each group of installation slat 351 is equidistantly provided with two groups of stripping claws 3524, the inner surface of the fixed sleeve 3522 is fixedly connected with an elastic piece, the elastic piece is sleeved on the outer surface of the pin 3523 in a sliding manner, the other end of the elastic piece is fixedly connected with the outer surface of the stripping claw 3524, and the elastic piece is symmetrically arranged on two sides of the stripping claw 3524, the peeling claw 3524 can be ensured to effectively peel the entanglement such as dirt or pasture and the like between the two groups of scooping boxes 33;

When the water source entering through the filter holes of the filter plates 21 needs to be guided, the driving shaft rod 31 is controlled, the conveying belt 32 moves under the transmission action of the shaft rod 31, the water scooping box 33 continuously scoops up the water source entering through the filter plates 21, the principle similar to a waterwheel is achieved, the water source is conveyed to the high position, fine impurities such as silt and waterweeds in the water source can enter the dam body 1 at the moment, the water scooping box 33 on the conveying belt 32 moves continuously, the driven component 34 is synchronously driven under the transmission action of the shaft rod 31, the driving pulley 341 and the driven pulley 342 are connected through the rotation of the belt, the connecting rod 343 rotates, the auxiliary stripping component 35 rotates integrally under the rotation action of the connecting rod 343, the stripping claw 3524 is arranged between gaps of the two groups of the water scooping boxes 33, the stripping claw 3524 which rotates continuously strips the waterweeds, the plastic bags and other impurities which can be wound between the water boxes 33, the whole water scooping device is prevented from being influenced by the waterweeds, and the rapid water scooping effect is ensured, and the stable operation of the device is further ensured.

Example IV

1-15, On the basis of the third embodiment, in order to realize classification and collection of floaters and sediment generated after water diversion, the quality of water intake of a water source is ensured:

The inner wall of one side of the collecting box 6 is in through connection with the inner wall of one side of the dam body 1 far away from the extension dam 11, a floating object guide outlet 61 for removing floating objects is formed in one end of the collecting box 6, a sediment funnel 62 is in through connection with the lower end of the collecting box 6, the sediment funnel 62 is in a funnel-shaped structure with a wide upper part and a narrow lower part, the inner wall of the lower side of the sediment funnel 62 is in through connection with a sediment guide outlet 63 extending into the sewage collecting box 4, the floating removing mechanism 7 comprises a second motor 71 fixedly arranged on the outer surface of the collecting box 6, an active rotating wheel 711 is fixedly arranged on an output shaft of the second motor 71, a driven rotating wheel 712 is arranged on one side of the active rotating wheel 711, a transmission chain 713 is rotationally connected with the outer surface of the active rotating wheel 711, the outer surface of the driven rotating wheel 712 is rotationally connected with the outer surface of the active rotating wheel 713 through the transmission chain 713, a scraping and floating assembly 72 is arranged on the inner side of the transmission chain 713, the scraping and floating assembly 72 comprises a scraping and floating assembly 72, the scraping and floating assembly 72 is formed by combining an assembly plate and a rubber scraping blade, the outer surface on both sides of the assembly fixture 721 is fixedly arranged on the surface of the transmission chain 713;

The float and silt in the water source continuously conveys along with the conveying unit 3, the float is pushed to the inside of the collecting box 6 to float, the floating removing mechanism 7 is controlled to operate, the motor II 71 is controlled to be started, the driving rotating wheel 711 on the output shaft of the motor II rotates, at the moment, the driving rotating wheel 711 and the driven rotating wheel 712 rotate in a conveying mode through the conveying chain 713, the float scraping plate 72 is installed by using the installation clamping blocks 721 installed on the inner side of the conveying chain 713, the float scraping of the float on the surface of the collecting box 6 is achieved under the continuous conveying effect of the conveying chain 713, the float guiding outlet 61 is used for discharging and collecting the float, the manual salvaging step is omitted, the labor burden of workers is relieved, the settled silt is guided out by the cooperation of the silt hopper 62, and is guided into the inclined filter plate 5 arranged in the sewage collecting box 4 through the silt guiding outlet 63, and the filter plate 5 is arranged as a compact fine net to isolate the silt in the water source.

Example five

Referring to fig. 1-15, in order to separate water source from sediment, a sediment filter assembly is added in this embodiment, based on the fourth embodiment:

The lower side of the filter plate 5 is provided with a sediment filter assembly, the sediment filter assembly comprises a lower transverse plate 51 and an upper transverse plate 515, the lower transverse plate 51 and the upper transverse plate 515 are fixedly connected with the inner side surface of the sewage containing tank 4 respectively, the upper end of the lower transverse plate 51 is fixedly provided with a hinge seat I511, the upper surface of the hinge seat I511 is movably connected with a rotating seat 512, the outer surface of the rotating seat 512 is fixedly connected with a telescopic piece 513, the outer surface of the upper end of the telescopic piece 513 is rotatably connected with a hinge seat II 514 fixedly connected with the lower surface of the upper transverse plate 515, the upper end of the upper transverse plate 515 is fixedly connected with the lower surface of one end of the filter plate 5, the whole filter plate 5 is in an inclined 30-degree angle state and is respectively arranged on the inner side of the sewage containing tank 4, the outer surface of the lower end of the filter plate 5 is movably connected with the inner wall of the sewage containing tank 4, and the lower end of the filter plate 5 is provided with a sewage drain;

the water source of the removal floater is led into to receive dirty case 4 through silt guide outlet 63, the water source is through the dense filtration pore whereabouts of filter 5 surface this moment, dense miscellaneous dirt such as silt in the water source is kept away through filter 5, filter 5 surface's silt receives gravity influence whereabouts to filter 5 receives the thrust effect that rivers flow, the extensible member 513 receives the shake, thereby it is rocked to make filter 5 receive to filter, thereby accelerated filter 5 surface silt tremble off, and then discharge to the aquatic through the drain, and the separation falls the water source of miscellaneous dirt and silt and discharges through intake pipe 12, guarantee the high-efficient water intaking of nuclear power station cold source system.

The working principle and the using flow of the invention are as follows: in actual operation, firstly, large-area sundries in a water source are intercepted through the filter plate 21, when the sundries cannot be retracted along with the thrust of water flow, the motor I221 is controlled to be started, the threaded rod 222 rotates, the movable block 223 moves horizontally along the limit frame 22 and drives the rear scraping plate 224 and the front scraping plate 225 to cling to the two side surfaces of the filter plate 21 to automatically clean the sundries scraped on the surfaces of the filter plate 21, the shaft driving rod 31 is controlled to drive the conveying belt 32 to move under the transmission action of the shaft driving rod 31, the water scooping box 33 continuously scoops the water source entering the filter plate 21, the water source is conveyed to a high place like a waterwheel principle, at the moment, silt, water grass and other tiny sundries in the water source also enter the dam body 1, the introduction of the water source is accelerated, at the moment, the water scooping box 33 on the conveying belt 32 moves continuously, the driven assembly 34 is driven synchronously under the transmission action of the shaft driving rod 31, under the continuous rotation action of the connecting rod 343, the auxiliary stripping assembly 35 integrally rotates, the stripping claw 3524 is arranged between the gaps of the two groups of scooping boxes 33, at the moment, the continuously rotating stripping claw 3524 strips sundries such as waterweeds and plastic bags which are possibly wound between the scooping boxes 33, the whole conveying unit 3 is prevented from being blocked by the influence of the sundries of the waterweeds, in addition, the water source from which the floats are removed is led into the sewage containing box 4 through the sediment outlet 63, at the moment, the water source flows down through the dense filtering holes on the surface of the filtering plate 5, the dense sundries such as sediment in the water source are blocked through the filtering plate 5, the sediment on the surface of the filtering plate 5 flows down under the influence of gravity, the filtering plate 5 is subjected to the thrust action of water flow, the telescopic piece 513 is vibrated, the filtering plate 5 is vibrated, the sediment on the surface of the filtering plate 5 is accelerated to shake, and finally the water is discharged through the sewage outlet, and the water source for blocking the impurity and sediment is discharged through the water intake pipe 12, so that the efficient water intake of the cold source system of the nuclear power station is ensured.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1.A trash device for nuclear power station cold source system water intaking department, includes dam body (1), its characterized in that: the utility model discloses a dam body, including dam body (1), opening position fixedly connected with extension dam (11), the inboard of extension dam (11) is provided with into water interception mechanism, it includes interception board (2) and filter plate (21) to advance water interception mechanism, one side of intaking interception mechanism is provided with installs at the inside diversion mechanism of dam body (1), one side of diversion mechanism be provided with dam body (1) rear end inner wall through connection's receipts cable case (6), the upper end of receiving cable case (6) is provided with and removes floating mechanism (7), the rear end of dam body (1) is provided with water intake pipe (12), the inside of dam body (1) is provided with receives dirty case (4), the inboard movable mounting of receiving dirty case (4) has filter (5).

2. A trash device for water intake of cold source system of nuclear power station according to claim 1, wherein: the utility model discloses a dam, including dam body (1), stop plate (2), motor one (221) is fixed mounting in the inboard of dam body (1), stop plate (2) upper end fixed mounting has spacing frame (22), one end surface fixed mounting of spacing frame (22) has on the output shaft of motor one (221) threaded rod (222) that are connected with spacing frame (22) inner wall rotation, the surface threaded connection of threaded rod (222) has movable block (223).

3. A trash device for water intake of cold source system of nuclear power station according to claim 2, wherein: the movable block (223) is integrally in an irregular T-shaped block structure, the front outer surface of the movable block (223) is in sliding connection with the inner wall of a sliding groove (20) preset on the front inner wall of the interception plate (2), the lower surface of the movable block (223) is fixedly connected with a rear scraper (224) and a front scraper (225) respectively, and the inner side surfaces of the rear scraper (224) and the front scraper (225) are movably connected with the outer surface of a filter plate (21) fixedly installed on the inner side of the interception plate (2) respectively.

4. A trash device for water intake of cold source system of nuclear power station according to claim 1, wherein: the water diversion mechanism comprises a conveying unit (3), the conveying unit (3) is formed by combining a shaft moving rod (31) and a conveying belt (32), the shaft moving rod (31) is provided with two groups, the outer surfaces of the shaft moving rods (31) are rotationally connected through the conveying belt (32), a water scooping box (33) is fixedly arranged on the outer surface of the conveying belt (32), and the water scooping boxes (33) are horizontally distributed at equal intervals.

5. The trash device for water intake of cold source system of nuclear power plant according to claim 4, wherein: the device comprises a group of driven components (34) fixedly connected with one end outer surface of a shaft moving rod (31), wherein each driven component (34) comprises a driving belt pulley (341) and a driven belt pulley (342), the central inner surface of each driving belt pulley (341) is fixedly connected with one end of the shaft moving rod (31), the outer surface of each driving belt pulley (341) is rotatably connected with the outer surface of each driven belt pulley (342) through a belt, a connecting rod (343) is fixedly installed on the central inner surface of each driven belt pulley (342), and an auxiliary stripping component (35) is fixedly connected with the outer surface of each connecting rod (343).

6. The trash device for water intake of cold source system of nuclear power plant according to claim 5, wherein: the auxiliary stripping assembly (35) comprises a mounting slat (351), a movable piece (352) is fixedly arranged on the outer surface of the mounting slat (351), three groups of stripping claws (3524) are respectively arranged on the mounting slat (351) and the movable piece (352) in a circular array mode by using a connecting rod (343) as a central shaft, the movable piece (352) comprises a fixing plate (3521), the fixing plate (3521) is fixedly arranged on the outer surface of the mounting slat (351), a fixing sleeve (3522) is fixedly connected to the inner side of the fixing plate (3521), a pin rod (3523) is rotatably arranged on the inner surface of the fixing sleeve (3522), and two groups of stripping claws (3524) are fixedly connected to the outer surface of the pin rod (3523), and the outer surface of each group of the mounting slat (351) is equidistantly arranged.

7. A trash device for water intake of cold source system of nuclear power station according to claim 1, wherein: the utility model discloses a sediment collection box, including box (6), dam body (1), sediment funnel (62) are drawn together to the one side inner wall of box (6) and dam body (1) are kept away from one side inner wall through connection of extension dam (11), the one end of box (6) is drawn together and is offered and be used for getting rid of floater export (61), the lower extreme through connection of box (6) is drawn together and is connected with silt funnel (62), just silt funnel (62) are wide in the upper and lower narrow funnel-shaped structure, the downside inner wall through connection of silt funnel (62) has silt export (63) that extend to the inside of dirt collection box (4).

8. A trash device for water intake of cold source system of nuclear power station according to claim 1, wherein: the floating removing mechanism (7) comprises a motor II (71) fixedly arranged on the outer surface of the collecting box (6), a driving rotating wheel (711) is fixedly arranged on an output shaft of the motor II (71), a driven rotating wheel (712) is arranged on one side of the driving rotating wheel (711), a transmission chain (713) is rotatably connected with the outer surface of the driving rotating wheel (711), and the outer surface of the driving rotating wheel (711) is rotatably connected with the outer surface of the driven rotating wheel (712) through the transmission chain (713).

9. The trash device for water intake of cold source system of nuclear power plant according to claim 8, wherein: the inside of drive chain (713) is provided with scrapes the float subassembly, scrape the float subassembly and including scraping the float plate (72), scrape the float plate (72) and form by assembly plate and rubber scraper blade combination, the both sides surface fixed mounting of assembly plate has installation fixture block (721), installation fixture block (721) fixed mounting is at the inside surface of drive chain (713).

10. A trash device for water intake of cold source system of nuclear power station according to claim 1, wherein: the lower side of filter (5) is provided with silt filter components, silt filter components is including lower diaphragm (51) and last diaphragm (515), lower diaphragm (51) and last diaphragm (515) respectively with receive the inboard fixed surface of dirty case (4) and be connected, the upper end fixed mounting of lower diaphragm (51) has articulated seat one (511), the upper surface swing joint of articulated seat one (511) has rotation seat (512), the surface fixedly connected with extensible member (513) of rotation seat (512), the upper end surface rotation of extensible member (513) be connected with articulated seat two (514) of last diaphragm (515) lower surface fixed connection, the upper end of last diaphragm (515) and the one end lower surface fixed connection of filter (5), the state that filter (5) wholly is the slope 30 angle is respectively in the inboard of receiving dirty case (4), the lower extreme surface of filter (5) and the inner wall swing joint who receives dirty case (4), the lower extreme of filter (5) is provided with the drain.