CN215195603U - Fragment intercepting device for nuclear power station - Google Patents

Abstract

The utility model belongs to the technical field of the nuclear power station auxiliary device that blocks dirt, concretely relates to piece intercepting device for nuclear power station, include: the trash rack comprises a trash rack body, wherein a plurality of filtering groups are arranged on the trash rack body; the filtering group comprises a filtering device, a cleaning device and a collecting device; the filtering device comprises a medium-sized filtering screen plate, a small-sized filtering screen plate and a mounting plate; the cleaning device comprises a connecting rod and a cleaning plate; the collecting device comprises a collecting box and a partition plate. The utility model discloses the device can effectively improve the interception effect, and the later stage clearance and the collection of the interception thing of being convenient for are showing and are improving cleaning efficiency, practice thrift the clearing time and reduce the cost of labor simultaneously, have higher practicality.

Description

Fragment intercepting device for nuclear power station

Technical Field

The utility model belongs to the technical field of the nuclear power station auxiliary device that blocks dirt, concretely relates to piece intercepting device for nuclear power station.

Background

As is well known, in order to ensure the safety of water intake of nuclear power plants, pump station PEA systems and PCC systems, a debris intercepting device is generally disposed at an inlet of a water intake channel to prevent debris, floating objects and the like from entering a front pool of a pump station, and reduce the trash holding pressure of a coarse grid, a fine grid and a rotary filter screen of the pump station.

The current fragment intercepting device for the nuclear power station generally adopts vertical flotation pontoon structure, is connected with the trash rack between every flotation pontoon, and the trash rack is the individual layer, and high 3m is half-submerged formula, and the mesh size is 150mm x 150mm to every flotation pontoon carries out vertical connection through the anchor block at anchor chain and the canal bottom and fixes, and interior outer bank edge respectively arranges an anchor bowl piece, carries out horizontal connection through anchor chain and anchor bowl piece and fixes.

However, the existing fragment intercepting device for the nuclear power station is found when in use, can only intercept some large-volume sundries and a small amount of aquatic organisms, has poor intercepting effect, is inconvenient to clean in the later period, is easy to scatter in water again from the trash rack after being cleaned, needs to consume large labor and time to clean, and has low practicability.

Therefore, a new fragment intercepting device for a nuclear power station needs to be developed, which can effectively improve the intercepting effect and is convenient for the later-stage cleaning of the intercepted objects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piece intercepting device for nuclear power station, the device can effectively improve the interception effect, and the later stage clearance and the collection of the interception thing of being convenient for are showing and are improving cleaning efficiency, practice thrift the clearing time and reduce the cost of labor simultaneously, have higher practicality.

Realize the utility model discloses the technical scheme of purpose: a debris intercepting apparatus for a nuclear power plant, the apparatus comprising: the trash rack comprises a trash rack body, wherein a plurality of filtering groups are arranged on the trash rack body; the filtering group comprises a filtering device, a cleaning device and a collecting device; the filtering device comprises a medium-sized filtering screen plate, a small-sized filtering screen plate and a mounting plate; the cleaning device comprises a connecting rod and a cleaning plate; the collecting device comprises a collecting box and a clapboard;

the middle-sized filter screen plate and the small-sized filter screen plate are respectively arranged in parallel with the trash screen body, the middle-sized filter screen plate is positioned between the trash screen body and the small-sized filter screen plate, the mounting plate is perpendicular to the trash screen body, the mounting plate is positioned on one side, close to the middle-sized filter screen plate, of the trash screen body, the mounting plate is fixedly connected with the trash screen body, and the middle-sized filter screen plate and the small-sized filter screen plate are respectively fixedly connected with the mounting plate;

the collecting box is perpendicular to the trash rack body, the collecting box is positioned on one side, away from the mounting plate, of the isolating device, the collecting box is detachably connected to the trash rack body, openings are formed in the top end of the collecting box and one side, close to the filtering device, of the collecting box, a partition plate is connected to the position, corresponding to the middle-sized filtering screen plate, of the inner wall of one side, away from the filtering device, of the collecting box, the other end of the partition plate is connected with the middle-sized filtering screen plate, and one end, close to the filtering device, of the collecting box is connected with the small-sized filtering screen plate;

the connecting rods are vertically arranged above the trash rack body, the medium-sized filter screen plate and the small-sized filter screen plate and are slidably arranged on the medium-sized filter screen plate and the small-sized filter screen plate; the bottom end of the connecting rod is connected with cleaning plates at intervals, and the cleaning plates are respectively matched with the trash screen body, the medium-sized filter screen plate and the small-sized filter screen plate and used for scraping and cleaning the trash screen body, the medium-sized filter screen plate and the small-sized filter screen plate; or the connecting rods are vertically arranged above the trash rack body, the collecting box and the partition plate, and the connecting rods are slidably arranged on the collecting box and the partition plate; the bottom interval connection of connecting rod has the cleaning plate, and the cleaning plate cooperatees with trash rack body, collecting box be on a parallel with the both sides wall and the baffle of trash rack body respectively for shelter from the opening that the collecting box was close to filter equipment's one end and seted up, avoid pushing the debris in the collecting box palirrhea.

Furthermore, cleaning device still includes positioner, and positioner includes locating plate, positioning bolt, and locating plate fixed connection is in the position that the bottom of connecting rod is close to the lateral wall of small-size filter plate, and positioning bolt spiral shell dress is on the locating plate, all corresponds on the small-size filter plate and on the lateral wall of collecting box and small-size filter plate joint and sets up the positioning screw groove that matches with positioning bolt, positioning bolt and positioning screw groove screw-thread fit.

Furthermore, the cleaning device also comprises a first sliding block, the first sliding block is fixedly connected to the bottom end of the connecting rod and is positioned at a position corresponding to the top ends of the medium-sized filter screen plate and the small-sized filter screen plate, the top ends of the medium-sized filter screen plate and the small-sized filter screen plate are both provided with first sliding grooves matched with the first sliding block, and the first sliding block is in sliding fit with the first sliding grooves; or, first slider fixed connection is located the position that corresponds with collecting box and baffle top in the bottom of connecting rod, and the first spout that matches with first slider, first slider and first spout sliding fit are all seted up on the top of collecting box and baffle.

Further, cleaning device still includes the cleaning brush, and cleaning brush fixed connection is in the both ends of cleaning plate along the ascending vertical direction.

Furthermore, the collecting device also comprises a shielding mechanism, the shielding mechanism comprises a control rod and a baffle, and the control rod is vertically arranged above the trash rack body, the collecting box and the partition plate; the bottom end of the control rod is connected with baffles at intervals, the baffles are slidably mounted in the collecting box, and the baffles are matched with the trash rack body, two side walls of the collecting box parallel to the trash rack body and the partition plate respectively and used for shielding an opening on one side of the collecting box close to the filtering device.

Furthermore, the shielding mechanism further comprises a fixing device which comprises a fixing bolt, the fixing bolt is screwed on the side wall of the collecting box parallel to the trash rack body, one end, close to the side wall of the collecting box parallel to the trash rack body, of the baffle plate is correspondingly provided with a fixing screw groove matched with the fixing bolt, and the fixing bolt is in threaded fit with the fixing screw groove.

Further, shelter from mechanism still includes the second slider, second slider fixed connection is located the position that corresponds with the collecting box and is on a parallel with the both sides wall of trash rack body and the both sides wall of baffle in the ascending both ends of vertical side along the baffle, and the collecting box is on a parallel with the inboard of the both sides wall of trash rack body and the both sides wall of baffle all offer the second spout that matches with the second slider, second slider and second spout sliding fit.

Further, the collecting device also comprises a first connecting piece, and the filtering device also comprises a second connecting piece; the first connecting piece is arranged at the position, close to the trash screen body, of the outer side of the side wall, far away from the filtering device, of the collecting box, the second connecting piece is arranged at the position, corresponding to the first connecting piece, of the side wall, facing the medium-sized filter screen plate, of the trash screen body, and the first connecting piece is connected with the second connecting piece in a matched mode and used for detachably connecting the collecting box with the trash screen body;

further, the collecting device further comprises a third connecting piece, and the filtering device further comprises a fourth connecting piece; the third connecting piece is arranged at the position, close to the small-sized filter screen plate, of the outer side of the side wall, connected with the small-sized filter screen plate, of the collecting box, the fourth connecting piece is arranged at the position, corresponding to the third connecting piece, of the outer side wall of the small-sized filter screen plate, and the third connecting piece is connected with the fourth connecting piece in a matched mode and used for detachably connecting the collecting box with the small-sized filter screen plate.

Further, the collecting device further comprises a water leakage hole, and the water leakage hole is formed in the bottom end of the collecting box.

The utility model has the advantages of:

1. the utility model provides a fragment intercepting device for nuclear power station, which is provided with a medium-sized filter screen plate and a small-sized filter screen plate on the basis of the trash rack body, is convenient for realizing multiple interception and filtration of large, medium and small sundries, and has better interception effect;

2. the utility model provides a pair of fragment intercepting device for nuclear power station is through the connecting rod of slidable mounting on middle-sized filter plate and small-size filter plate, is convenient for when sliding the connecting rod, drives a plurality of cleaning plates of connecting rod bottom and scrapes the clearance to trash rack body, middle-sized filter plate and small-size filter plate, and is comparatively convenient during the clearance, through positioner, is convenient for fix the sliding position of connecting rod and a plurality of cleaning plates;

3. the utility model provides a pair of fragment intercepting device for nuclear power station passes through the opening that the collecting box was seted up near the one end of filter equipment, be convenient for a plurality of cleaning plates slide to push the debris under clearing up in the collecting box and collect, the connecting rod is through the sliding fit with collecting box and baffle, be convenient for slide connecting rod and a plurality of cleaning plates to the collecting box in, can shelter from the opening part that is seted up near the one end of filter equipment at the collecting box after the positioner is fixed, avoid pushing the debris that the collecting box case was collected and flow back out, be convenient for collect the debris under clearing up;

4. the utility model provides a pair of fragment intercepting device for nuclear power station passes through sliding connection's in the collecting box mechanism that shelters from, is convenient for shelter from the opening that the collecting box was seted up near filter equipment's one end when the collecting box does not collect debris to be convenient for reduce the debris that the collecting box got into in the collecting box when idle, and be convenient for when a plurality of clearance boards slide and push into the collecting box, shelter from the mechanism and slide and accomodate to the inside opposite side of collecting box, avoid causing to shelter from to a plurality of clearance boards.

Drawings

Fig. 1 is a schematic partial sectional structural view of a fragment intercepting apparatus for a nuclear power plant according to the present invention;

FIG. 2 is a schematic view of a portion A of FIG. 1;

fig. 3 is a schematic structural view of a fragment intercepting apparatus for a nuclear power plant provided by the present invention;

fig. 4 is a schematic structural view illustrating a collection completion state of the collection box in the debris intercepting apparatus for a nuclear power plant according to the present invention;

fig. 5 is a top view of the debris intercepting apparatus for a nuclear power plant provided by the present invention.

In the figure: 1. a trash rack body; 2. a medium-sized filter screen plate; 3. a small-sized filter screen plate; 4. mounting a plate; 5. a connecting rod; 6. cleaning the plate; 7. a collection box; 8. a partition plate; 9. positioning a plate; 10. positioning the bolt; 11. a first slider; 12. a first chute; 13. a control lever; 14. a baffle plate; 15. a second slider; 16. a second chute; 17. fixing the bolt; 18. cleaning a brush; 19. a water leakage hole; 20. a first connecting member; 21. a second connecting member; 22. a third connecting member; 23. and a fourth connecting piece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1-5, the utility model provides a pair of piece intercepting device for nuclear power station includes: the trash rack comprises a trash rack body 1, wherein a plurality of filtering groups are arranged on the trash rack body 1; the filtering group comprises a filtering device, a cleaning device and a collecting device; the filtering device comprises a medium-sized filtering screen plate 2, a small-sized filtering screen plate 3, a mounting plate 4, a second connecting piece 21 and a fourth connecting piece 23; the cleaning device comprises a connecting rod 5, a cleaning plate 6, a first sliding block 11, a first sliding groove 12, a cleaning brush 18 and a positioning device, wherein the positioning device comprises a positioning plate 9 and a positioning bolt 10; the collecting device comprises a collecting box 7, a partition plate 8, a water leakage hole 19, a first connecting piece 20, a third connecting piece 22 and a shielding mechanism, the shielding mechanism comprises a control rod 13, a baffle plate 14, a second sliding block 15, a second sliding groove 16 and a fixing device, and the fixing device comprises a fixing bolt 17.

As shown in fig. 1 and 3-5, the medium-sized filter screen plate 2 and the small-sized filter screen plate 3 are respectively arranged in parallel with the trash screen body 1, and the medium-sized filter screen plate 2 is positioned between the trash screen body 1 and the small-sized filter screen plate 3; the mounting plate 4 is perpendicular to the trash rack body 1, the mounting plate 4 is located on one side, close to the medium-sized filter screen plate 2, of the trash rack body 1, and one end of the mounting plate 4 is fixedly connected with the trash rack body 1; one end of the small-sized filter screen plate 3 is fixedly connected with the other end of the mounting plate 4, and one end of the medium-sized filter screen plate 2 is fixedly connected with the middle position of the mounting plate 4. The heights of the medium-sized filter screen plate 2, the small-sized filter screen plate 3 and the mounting plate 4 are the same as the height of the trash rack body 1. The height of the trash rack body 1 is 3m, the trash rack is in a half-submerged type, the mesh size is 150mm multiplied by 150mm, the mesh size of the medium-sized filter screen plate 2 is 100mm multiplied by 100mm, and the mesh size of the small-sized filter screen plate 3 is 50mm multiplied by 50 mm.

As shown in fig. 1 and 3-5, the collecting box 7 is perpendicular to the trash rack body 1, the collecting box 7 is located on one side of the isolating device away from the mounting plate 4, a connecting opening with a downward direction is formed in one side wall of the collecting box 7 away from the filtering device from the bottom end, the connecting opening is matched with the trash rack body 1, the height of the connecting opening is matched with the height of the trash rack body 1, the width of the connecting opening is matched with the thickness of the trash rack body 1, and the collecting box 7 is detachably connected to the trash rack body 1 through the connecting opening. The top of collecting box 7 and the one side that is close to filter equipment have all been seted up the opening, and the position that the one side inner wall that filter equipment was kept away from to collecting box 7 corresponds medium-sized filter screen board 2 is connected with baffle 8, and the other end of baffle 8 and the other end of medium-sized filter screen board 2 articulate, and the open-ended one end that collecting box 7 is close to one side of filter equipment articulates with the other end of small-size filter screen board 3. The bottom of the collecting box 7 is provided with water leakage holes 19 at intervals, so that water in the collecting box 7 can be leaked conveniently, and the weight of the collecting box 7 during later cleaning is reduced.

As shown in fig. 1 and 3-5, the outer side of one side wall of the collecting box 7 far away from the filtering device is close to the position of the trash rack body 1, first connecting pieces 20 are arranged at intervals along the vertical direction, one side wall of the trash rack body 1 facing the medium-sized filtering screen plate 2 is close to the position of one side wall of the collecting box 7 far away from the filtering device, second connecting pieces 21 are arranged at intervals along the vertical direction corresponding to the positions of the first connecting pieces 20, and the first connecting pieces 20 and the second connecting pieces 21 are mutually matched and connected through magnetic attraction and used for detachably connecting the collecting box 7 and the trash rack body 1.

As shown in fig. 1 and 3-5, the outer side of the side wall of the collecting box 7, which is connected with the small filter screen plate 3, is close to the small filter screen plate 3, third connecting pieces 22 are arranged at intervals along the vertical direction, the outer side wall of the small filter screen plate 3 is close to the collecting box 7, the position of the outer side wall of the small filter screen plate 3 corresponds to the position of the third connecting pieces 22 along the vertical direction, fourth connecting pieces 23 are arranged at intervals, and the third connecting pieces 22 and the fourth connecting pieces 24 are mutually matched and connected through magnetic attraction and are used for detachably connecting the collecting box 7 and the small filter screen plate 3.

As shown in fig. 1-2, when the connecting rod 5 is located above the filtering device, the connecting rod 5 is vertically disposed above the trash rack body 1, the middle-sized filtering screen plate 2 and the small-sized filtering screen plate 3, and the bottom end of the connecting rod 5, which is located at a position corresponding to the top ends of the middle-sized filtering screen plate 2 and the small-sized filtering screen plate 3, is fixedly connected with the first slider 11. The first sliding block 11 has a T-shaped section, so that the sliding stability is good, and the sliding is not easy to fall off or move. The top ends of the medium-sized filter screen plate 2 and the small-sized filter screen plate 3 are both provided with a first sliding chute 12 matched with the first sliding block 11. The first sliding block 11 is matched with the first sliding groove 12, the first sliding block 11 is connected in the first sliding groove 12 in a sliding mode, and the connecting rod 5 is installed on the medium-sized filter screen plate 2 and the small-sized filter screen plate 3 in a sliding mode through the first sliding block 11 and adjusts the positions through sliding; the bottom of connecting rod 5 is in the interval that corresponds between trash rack body 1 and the well type filter screen 2, the interval between well type filter screen 2 and the small-size filter screen 3, trash rack body 1 and collecting box 7 are close to the interval between the inner wall of trash rack body 1's position difference fixedly connected with cleaning plate 6, cleaning plate 6 cooperatees with trash rack body 1, well type filter screen 2 and small-size filter screen 3 respectively for scrape the clearance to trash rack body 1, well type filter screen 2 and small-size filter screen 3.

As shown in fig. 4, when the connecting rod 5 is located above the collecting device, the connecting rod 5 is vertically arranged above the trash rack body 1, the collecting box 7 and the partition plate 8, and the bottom end of the connecting rod 5 is fixedly connected with the first sliding block 11 at the position corresponding to the top ends of the collecting box 7 and the partition plate 8. The first sliding block 11 has a T-shaped section, so that the sliding stability is good, and the sliding is not easy to fall off or move. The top ends of the collecting box 7 and the clapboard 8 are provided with first sliding chutes 12 matched with the first sliding blocks 11. The first sliding block 11 is matched with the first sliding chute 12, the first sliding block 11 is connected in the first sliding chute 12 in a sliding manner, and the connecting rod 5 is installed on the collecting box 7 and the partition plate 8 in a sliding manner through the first sliding block 11 and is adjusted in position through sliding; the bottom of connecting rod 5 is at the interval between corresponding trash rack body 1 and baffle 8, the interval between the lateral wall of baffle 8 and collecting box 7 and the joint of small-size filter screen plate 3, trash rack body 1 and collecting box 7 are close to the interval between the inner wall of trash rack body 1's position difference fixedly connected with cleaning plate 6, cleaning plate 6 respectively with trash rack body 1, collecting box 7 is on a parallel with trash rack body 1's both sides wall and baffle 8 cooperate, an opening for sheltering from that collecting box 7 is close to filter equipment's one end and seted up, it is palirrhea to avoid pushing the debris in the collecting box 7.

As shown in fig. 1 and 3-5, the height of the cleaning plate 6 is the same as that of the trash rack body 1, and the width of the cleaning plate 6 is respectively matched with the interval between the trash rack body 1 and the middle-sized filter screen plate 2 (i.e. the interval between the trash rack body 1 and the partition plate 8), the interval between the middle-sized filter screen plate 2 and the small-sized filter screen plate 3 (i.e. the interval between the partition plate 8 and the side wall of the collection box 7 joined to the small-sized filter screen plate 3), and the interval between the trash rack body 1 and the inner wall of the collection box 7 near the trash rack body 1.

As shown in fig. 1 and 3 to 4, the cleaning plate 6 is provided with cleaning brushes 18 at both ends in the vertical direction, respectively, for increasing the cleaning force of the cleaning plate 6.

As shown in fig. 1-2, the positioning device includes a positioning plate 9 and a positioning bolt 10. The bottom of locating plate 9 fixed connection in connecting rod 5 is close to the position of the lateral wall of small-size filter screen board 3, the location screw has been seted up on locating plate 9, positioning bolt 10 passes through location screw spiral shell dress on locating plate 9, the position that small-size filter screen board 3 is close to mounting panel 4 and collecting box 7 all correspond on being close to the position of small-size filter screen board 3 with the lateral wall of small-size filter screen board 3 joint and set up the location spiral shell groove that matches with positioning bolt 10, positioning bolt 10 passes through screw-thread fit with location screw and location spiral shell groove and is connected. Through the screw-thread fit connection of positioning bolt 10 and location screw hole and location thread groove, fix locating plate 9, and then fix the sliding position of connecting rod 5 and clearance plate 6. The connecting rod 5 is in sliding fit with the medium-sized filter screen plate 2 and the small-sized filter screen plate 3 to scrape and clean sundries on the trash screen body 1, the medium-sized filter screen plate 2 and the small-sized filter screen plate 3; the connecting rod 5 is fixed on the position of the small-sized filter screen plate 3 close to the mounting plate 4 through a positioning device, and the sliding position of the cleaning plate 6 is fixed. Connecting rod 5 and collecting box 7 and 8 sliding fit of baffle slide connecting rod 5 and cleaning plate 6 to collecting box 7 in, connecting rod 5 is fixed in the opening part that collecting box 7 is close to filter equipment's one end and offers through positioner, and cleaning plate 6 can shelter from the opening part of offering at collecting box 7 one end that is close to filter equipment, avoids pushing the interior debris of collecting box 7 and flows backward out.

As shown in fig. 1, 3-5, the shutter mechanism is slidably connected inside the collection box 7. The shielding mechanism comprises a control rod 13, a baffle plate 14, a second sliding block 15, a second sliding groove 16 and a fixing device.

As shown in fig. 1 and 3-5, the control rod 13 is vertically arranged above the trash rack body 1, the collecting box 7 and the partition plate 8, the bottom end of the control rod 13 is fixedly connected with a baffle plate 14 at a position corresponding to the space between the trash rack body 1 and the partition plate 8, the space between the partition plate 8 and the inner side of the side wall of the collecting box 7 connected with the small-sized filter screen plate 3, and the space between the trash rack body 1 and the inner side of the collecting box 7 close to the side wall of the trash rack body 1, and the baffle plate 14 is respectively matched with the trash rack body 1 and the collecting box 7 parallel to the two side walls of the trash rack body 1 and the partition plate 8. The height of the baffle 14 is the same as the height of the trash screen body 1, and the width of the baffle 14 matches the interval between the trash screen body 1 and the baffle 8, the interval between the baffle 8 and the inner side of the side wall of the collecting box 7 joined to the small-sized filter screen plate 3, and the interval between the trash screen body 1 and the inner side of the collecting box 7 adjacent to the side wall of the trash screen body 1, respectively.

As shown in fig. 1, second sliders 15 are provided at intervals at both ends in the vertical direction of the baffle plates 14 located at intervals between the partition plate 8 and the inner wall of the side face where the collection tank 7 is joined to the small-sized filter mesh plate 3, respectively, second sliders 15 are provided at intervals at one ends in the vertical direction of the baffle plates 14 located at intervals between the trash screen body 1 and the partition plate 8 near the partition plate 8, and second sliders 15 are provided at intervals at one ends in the vertical direction of the baffle plates 14 located at intervals between the trash screen body 1 and the inner side of the collection tank 7 near the side wall of the trash screen body 1 near the inner side of the collection tank 7 near the side wall of the trash screen body 1. As shown in fig. 1, the second slider 15 has a T-shaped cross section, and is stable in sliding and less likely to fall off or move during sliding.

As shown in fig. 1, the collection box 7 is close to the inner side of the side wall of the trash rack body 1, the collection box 7 is connected with the small-sized filter screen plate 3, and the two side walls of the partition plate 8 are respectively and correspondingly provided with a second sliding groove 16 matched with a second sliding block 15, the second sliding block 15 is matched with the second sliding groove 16, and the second sliding block 15 is slidably connected in the second sliding groove 16. The baffle plate 14 is slidably arranged in the collecting box 7 through the second sliding block 15, and the position is adjusted through sliding, so that an opening formed in one end, close to the filtering device, of the collecting box 7 can be shielded when the collecting box 7 does not collect sundries, and sundries entering the collecting box 7 when the collecting box 7 is idle are reduced; and can slide baffle 14 to the inside opposite side of collecting box 7 and accomodate when clearance board 6 slides and pushes in collecting box 7, avoid causing to shelter from clearance board 6.

As shown in fig. 1, the fixing means comprises a fixing bolt 17. On the lateral wall of collecting box 7 and the joint of small-size filter plate 3, set up fixed screw respectively at the opening part that the one end that is located to be close to filter equipment was seted up and be close to the lateral wall position of keeping away from filter equipment, fixing bolt 17 passes through fixed screw spiral shell dress on the lateral wall of collecting box 7 and the joint of small-size filter plate 3, the baffle 14 is close to the one end correspondence of collecting box 7 and the lateral wall of the joint of small-size filter plate 3 and sets up the fixed thread groove that matches with fixing bolt 17, fixing bolt 17 all is connected through screw-thread fit with fixed thread groove with fixed screw. The sliding position of the baffle plate 14 is fixed by the thread fit connection of the fixing bolt 17 and the fixing screw hole and the fixing thread groove, and the baffle plate 14 is in sliding fit with the collecting box 7 and the partition plate 8. After the baffle plate 14 is fixed at the opening formed at one end of the collecting box 7 close to the filtering device through the fixing device, the baffle plate 14 can shield the opening formed at one end of the collecting box 7 close to the filtering device, so that sundries entering the collecting box 7 when the collecting box 7 is idle are reduced; the baffle 14 is fixed in the collecting box 7 through fixing device and is close to a lateral wall department of keeping away from filter equipment after, accomodates the baffle 14 in the collecting box 7 and keeps away from one side of filter equipment, avoids causing the sheltering from to clearance board 6.

The utility model provides a pair of debris intercepting device for nuclear power station's theory of operation and working process are specifically as follows:

when the debris intercepting device for the nuclear power station is used, the debris intercepting device for the nuclear power station is firstly installed at a place needing to be used, when debris and floating objects in water are intercepted in daily life, the medium-sized filter screen plate 2 and the small-sized filter screen plate 3 are arranged on the basis of the trash rack body 1, so that multiple interception and filtration of large, medium and small debris are conveniently realized, and the intercepting effect is good; the shielding mechanism is fixed at the opening formed in one end, close to the filtering device, of the collecting box 7, so that the opening formed in one end, close to the filtering device, of the collecting box 7 is shielded conveniently when the collecting box 7 does not collect sundries, and sundries entering the collecting box 7 when the collecting box 7 is idle are reduced.

Need clear up or daily when clearing up this piece intercepting device for nuclear power station, at first can revolve out partial distance with a plurality of positioning bolt 10 and fixing bolt 17, make cleaning device with shelter from the mechanism and be in the state that can carry out slide adjusting, then the clearance brush 18 on accessible connecting rod 5 control a plurality of cleaning plates 6 and the cleaning plate 6 slides, scrape the clearance to trash screen body 1, medium-sized filter screen board 2 and small-size filter screen board 3, it is comparatively convenient during the clearance.

When connecting rod 5 and a plurality of cleaning plate 6 slide on one side and scrape the debris that the clearance was blocked on net body 1, medium-sized filter plate 2 and the small-size filter plate 3 of crossing, slide on one side and will be pushed into the collecting box 7 by the debris under the clearance in, shelter from the mechanism and can be accomodate by the inside opposite side of indirect promotion slip to collecting box 7, avoid causing to shelter from a plurality of cleaning plate 6.

When connecting rod 5 and a plurality of cleaning plate 6 slide to the opening part that collecting box 7 was seted up near filter equipment's one end, can fix a plurality of positioning bolt 10 screw in location spiral grooves, slide position to connecting rod 5 and a plurality of cleaning plate 6 fixes, fix connecting rod 5 and a plurality of cleaning plate 6 at the opening part that collecting box 7 was seted up near filter equipment's one end, the debris of avoiding pushing 7 casees of collecting box and collecting flow backward out, it can to pull down collecting box 7 from trash rack body 1 after collecting well and clear up again, can install the realization after clearing up again and collect the use repeatedly.

Therefore, the debris intercepting device for the nuclear power station is convenient for collecting the cleaned debris, labor and time are saved, and the practicability is high.

The present invention has been described in detail with reference to the drawings and examples, but the present invention is not limited to the above examples, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. The present invention can adopt the prior art for the content which is not described in detail in the present invention.

Claims (10)

1. A debris intercepting apparatus for a nuclear power plant, the apparatus comprising: the trash rack comprises a trash rack body (1), wherein a plurality of filtering groups are arranged on the trash rack body (1); the filtering group comprises a filtering device, a cleaning device and a collecting device; the filtering device comprises a medium-sized filtering screen plate (2), a small-sized filtering screen plate (3) and a mounting plate (4); the cleaning device comprises a connecting rod (5) and a cleaning plate (6); the collecting device comprises a collecting box (7) and a clapboard (8);

the middle-sized filter screen plate (2) and the small-sized filter screen plate (3) are respectively arranged in parallel with the trash screen body (1), the middle-sized filter screen plate (2) is positioned between the trash screen body (1) and the small-sized filter screen plate (3), the mounting plate (4) is perpendicular to the trash screen body (1), the mounting plate (4) is positioned on one side, close to the middle-sized filter screen plate (2), of the trash screen body (1), the mounting plate (4) is fixedly connected with the trash screen body (1), and the middle-sized filter screen plate (2) and the small-sized filter screen plate (3) are respectively fixedly connected with the mounting plate (4);

the collecting box (7) is perpendicular to the trash rack body (1), the collecting box (7) is located on one side, away from the mounting plate (4), of the isolating device, the collecting box (7) is detachably connected to the trash rack body (1), openings are formed in the top end of the collecting box (7) and one side, close to the filtering device, of the collecting box (7), a partition plate (8) is connected to the position, corresponding to the medium-sized filtering screen plate (2), of the inner wall of one side, away from the filtering device, of the collecting box (7), the other end of the partition plate (8) is connected with the medium-sized filtering screen plate (2), and one end, close to the filtering device, of the collecting box (7) is connected with the small-sized filtering screen plate (3);

the connecting rod (5) is vertically arranged above the trash rack body (1), the medium-sized filter screen plate (2) and the small-sized filter screen plate (3), and the connecting rod (5) is slidably arranged on the medium-sized filter screen plate (2) and the small-sized filter screen plate (3); the bottom end of the connecting rod (5) is connected with cleaning plates (6) at intervals, and the cleaning plates (6) are respectively matched with the trash screen body (1), the medium-sized filter screen plate (2) and the small-sized filter screen plate (3) and used for scraping and cleaning the trash screen body (1), the medium-sized filter screen plate (2) and the small-sized filter screen plate (3); or the connecting rod (5) is vertically arranged above the trash rack body (1), the collecting box (7) and the partition plate (8), and the connecting rod (5) is slidably arranged on the collecting box (7) and the partition plate (8); the bottom interval of connecting rod (5) is connected with cleaning plate (6), and cleaning plate (6) cooperate with trash rack body (1), collecting box (7) be on a parallel with both sides wall and baffle (8) of trash rack body (1) respectively for shelter from the opening that collecting box (7) are close to filter equipment's one end and set up, avoid pushing the backward flow of debris in collecting box (7).

2. The debris intercepting device for the nuclear power station as claimed in claim 1, wherein the cleaning device further comprises a positioning device, the positioning device comprises a positioning plate (9) and a positioning bolt (10), the positioning plate (9) is fixedly connected to the bottom end of the connecting rod (5) and close to the outer side wall of the small filter screen plate (3), the positioning bolt (10) is screwed on the positioning plate (9), positioning screw grooves matched with the positioning bolt (10) are correspondingly formed in the small filter screen plate (3) and the side wall of the collecting box (7) connected with the small filter screen plate (3), and the positioning bolt (10) is in threaded fit with the positioning screw grooves.

3. The debris intercepting device for the nuclear power plant according to claim 1, wherein the cleaning device further comprises a first sliding block (11), the first sliding block (11) is fixedly connected to the bottom end of the connecting rod (5) and is located at a position corresponding to the top ends of the medium-sized filter screen plate (2) and the small-sized filter screen plate (3), first sliding grooves (12) matched with the first sliding block (11) are formed in the top ends of the medium-sized filter screen plate (2) and the small-sized filter screen plate (3), and the first sliding block (11) is in sliding fit with the first sliding grooves (12); or, first slider (11) fixed connection is in the bottom of connecting rod (5), is located the position that corresponds with collecting box (7) and baffle (8) top, and first spout (12) that match with first slider (11) are all seted up on the top of collecting box (7) and baffle (8), first slider (11) and first spout (12) sliding fit.

4. The debris catching device for nuclear power plants according to claim 1, characterized in that the cleaning device further comprises cleaning brushes (18), the cleaning brushes (18) being fixedly connected to both ends of the cleaning plate (6) in the vertical direction.

5. The debris intercepting device for a nuclear power plant according to claim 1, wherein the collecting device further comprises a shielding mechanism, the shielding mechanism comprises a control rod (13) and a baffle (14), and the control rod (13) is vertically arranged above the trash rack body (1), the collecting box (7) and the partition plate (8); the bottom end of the control rod (13) is connected with a baffle (14) at intervals, the baffle (14) is slidably mounted in the collecting box (7), and the baffle (14) is respectively matched with the trash rack body (1) and the collecting box (7) which are parallel to two side walls of the trash rack body (1) and the partition plate (8) and used for shielding an opening on one side, close to the filtering device, of the collecting box (7).

6. The debris intercepting device for the nuclear power plant according to claim 5, wherein the shielding mechanism further comprises a fixing device, the fixing device comprises a fixing bolt (17), the fixing bolt (17) is screwed on the side wall of the collecting box (7) parallel to the trash screen body (1), one end of the baffle plate (14) close to the side wall of the collecting box (7) parallel to the trash screen body (1) is correspondingly provided with a fixing screw groove matched with the fixing bolt (17), and the fixing bolt (17) is in threaded fit with the fixing screw groove.

7. The debris intercepting device for the nuclear power plant according to claim 5, wherein the shielding mechanism further comprises a second sliding block (15), the second sliding block (15) is fixedly connected to two ends of the baffle (14) in the vertical direction and located at positions corresponding to two side walls of the collecting box (7) parallel to the trash rack body (1) and two side walls of the partition plate (8), second sliding grooves (16) matched with the second sliding blocks (15) are formed in the inner sides of the collecting box (7) parallel to the two side walls of the trash rack body (1) and the two side walls of the partition plate (8), and the second sliding blocks (15) are in sliding fit with the second sliding grooves (16).

8. The debris intercepting apparatus for a nuclear power plant according to claim 1, wherein the collecting means further comprises a first connecting member (20), and the filtering means further comprises a second connecting member (21); the first connecting piece (20) is arranged at the position, close to the trash screen body (1), of the outer side, far away from the side wall of the filtering device, of the collecting box (7), the second connecting piece (21) is arranged at the position, corresponding to the first connecting piece (20), of one side wall, facing the medium-sized filtering screen plate (2), of the trash screen body (1), and the first connecting piece (20) is connected with the second connecting piece (21) in a matched mode and used for detachably connecting the collecting box (7) with the trash screen body (1).

9. A debris catching device for nuclear power plants according to claim 1 characterized in that said collecting device further comprises a third connecting member (22) and said filtering device further comprises a fourth connecting member (23); the third connecting piece (22) is arranged at the position, close to the small-sized filter screen plate (3), of the outer side of the side wall, connected with the small-sized filter screen plate (3), of the collecting box (7), the fourth connecting piece (23) is arranged at the position, corresponding to the third connecting piece (22), of the outer side wall of the small-sized filter screen plate (3), and the third connecting piece (22) is connected with the fourth connecting piece (23) in a matched mode and used for detachably connecting the collecting box (7) with the small-sized filter screen plate (3).

10. The debris intercepting apparatus for a nuclear power plant according to claim 1, wherein the collecting device further includes a water leakage hole (19), and the water leakage hole (19) is provided at a bottom end of the collecting box (7).

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