CN117966693A - Automatic recovery processing device and method for surface floats in front of dam - Google Patents

Abstract

The invention provides an automatic recovery processing device and method for water surface floats in front of a dam, wherein the automatic recovery processing device comprises two groups of floating mechanisms floating on the front side of the dam, the front sides of the floating mechanisms are connected with transverse trash racks through connecting rods, collecting ports are formed between the two groups of floating mechanisms, the collecting ports are provided with salvaging mechanisms, each salvaging mechanism comprises a salvaging lifting conveyor belt, salvaging boxes with hollowed bottoms are arranged on the lifting conveyor belts at intervals, a guide mechanism is arranged on the top of the dam, each guide mechanism comprises a guide plate, a rotating shaft is arranged at the lower end of each guide plate and is rotatably arranged on a supporting seat, the rotating shafts are driven by motors, the salvaging boxes which are inverted are positioned above the guide plates after the lifting conveyor belts lift the salvaging boxes to the upper ends to turn upside down, and one ends of the transverse trash racks far away from the collecting ports are provided with vertical trash racks. The device can automatically salvage the water surface floating objects in front of the dam to the dam crest for recycling and cleaning, and is convenient to operate, salvage and subsequent centralized processing.

Description

Automatic recovery processing device and method for surface floats in front of dam

Technical Field

The invention relates to the field of environmental protection and cleaning of water conservancy and hydropower engineering, in particular to an automatic recovery and treatment device and method for water surface floaters in front of a dam.

Background

After the construction of the dam is completed, the reservoir forms a water storage function, river channel garbage (household garbage, natural floaters and the like) gradually gathers in front of the dam under the action of water flow, and adverse effects are caused on shipping, drainage and power generation facilities of the dam, so that the timely cleaning of the floaters on the water surface is particularly important, the floaters on the water surface are blocked mainly through dirt blocking, and the floaters are salvaged and cleaned regularly through a float cleaning ship.

Because the blocking capability of the dirt blocking float is limited, all water surface floaters cannot be blocked under the action of water flow, a large amount of manpower and material resources are consumed by manual salvage and float-cleaning ship operation, the cleaning efficiency is low, the economic cost is high, and certain safety risks exist in manual operation in deeper water areas.

Disclosure of Invention

The technical problem to be solved by the invention is to provide the automatic recovery processing device and the method for the water surface floaters in front of the dam, which can automatically salvage the water surface floaters in front of the dam to the top of the dam for recovery and cleaning, and are convenient to operate, and convenient for salvage and subsequent centralized processing.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an automatic recovery processing device of surface of water floater before dam, float the mechanism including two sets of floating in the dam front side, float the mechanism front side and pass through the connecting rod and connect horizontal trash rack, form between the two sets of floating mechanism and collect the mouth, it is equipped with salvage mechanism to collect the mouth, salvage mechanism includes salvage lifting conveyor belt, the interval is equipped with the salvage case of bottom fretwork on the lifting conveyor belt, the dam top is equipped with guide mechanism, guide mechanism includes the stock guide, the stock guide lower extreme is equipped with the pivot, the pivot is rotated and is installed on the supporting seat, the pivot passes through motor drive, the lifting conveyor belt is with the salvage case that the upper end turns to invert after, the salvage case that the inversion is located the stock guide top, the one end that collection mouth was kept away from to horizontal trash rack is equipped with vertical trash rack.

In the preferred scheme, horizontal trash rack includes horizontal base and horizontal slide rail down, is equipped with horizontal trash rack piece between horizontal base and the horizontal slide rail down, and horizontal base upside is equipped with horizontal screw rod, and horizontal screw rod passes through horizontal motor drive, and horizontal moving nut and horizontal screw rod screw thread fit, horizontal slide rail anchor clamps and horizontal slide rail cooperation slip down, and vertical trash rack tip is connected with horizontal moving nut and horizontal slide rail anchor clamps.

In the preferred scheme, vertical trash rack includes vertical base and vertical slide rail down, is equipped with vertical trash rack piece between vertical base and the vertical slide rail down on the vertical, and vertical base upside is equipped with vertical screw rod, and vertical screw rod passes through vertical motor drive, and the one end that horizontal trash rack was kept away from to vertical trash rack is equipped with horizontal trash screen piece, and vertical removal nut and vertical screw rod screw-thread fit, vertical slide rail anchor clamps and vertical slide rail cooperation slip, and horizontal trash screen piece tip is connected with vertical removal nut and vertical slide rail anchor clamps.

In the preferred scheme, one end of the vertical trash rack close to the horizontal trash rack or/and one end of the horizontal trash rack close to the vertical trash rack are/is provided with a brush, and the bottom of the horizontal trash rack is provided with a blade.

In the preferable scheme, a dam top of the dam is provided with a garbage conveyor belt, and the garbage conveyor belt is positioned below the material guide plate.

In the preferred scheme, the lifting conveyor belt top is equipped with the washing squirt, and the washing squirt is located the lifting conveyor belt and promotes to the upper end and turn the fishing box top after inversion, distributes the hole that leaks on the stock guide.

In a preferred scheme, a vibrator is arranged at the upper end of the frame of the lifting conveyor belt.

In the preferred scheme, be equipped with the hoist engine on the dam, the dam front side is equipped with the pulley guide rail, and assembly pulley slidable mounting is on the pulley guide rail, and the haulage rope of hoist engine is connected with the one end that vertical trash rack kept away from horizontal trash rack after bypassing the assembly pulley.

In the preferred scheme, the floating mechanism comprises a plurality of buoys, connecting rings are arranged around the buoys, and connecting shafts are simultaneously inserted into the adjacent connecting rings of the two groups of buoys to connect the two groups of buoys.

The invention also provides a method for recycling and treating the water surface floaters in front of the dam, which comprises the following steps:

Firstly, intercepting floating matters on the water surface in front of a dam by a transverse trash rack and a vertical trash rack, after intercepting a certain amount of floating matters, starting transverse motors on the two groups of transverse trash racks to drive corresponding transverse screws to rotate, enabling the two groups of vertical trash racks to move from two sides to the middle along a transverse lower sliding rail, gradually collecting the scattered floating matters in front of the dam to a collecting port position in the middle of the dam body, closing the transverse motors, and stopping moving the vertical trash racks;

Step two, turning on vertical motors on the two groups of vertical trash racks, driving vertical screws to rotate, enabling the transverse trash rack to move along a vertical lower sliding rail, collecting floaters to the front side of a salvaging mechanism from the far end, enabling the transverse trash rack to continuously move or enabling the floaters to enter a salvaging box from a collecting port under the action of water flow, and starting a salvaging lifting conveyor belt to lift the salvaging box upwards;

Step three, lifting the salvage bin to the upper end, turning upside down, and then lifting the conveying belt to stop conveying, wherein the upside-down salvage bin is positioned above the material guiding plate, the material guiding plate guides the floaters and conveys the floaters to the garbage conveying belt, and the garbage conveying belt conveys the cleaned floaters to the next working procedure;

step four, a motor drives a rotating shaft to rotate, a material guide plate is turned to a vertical state, a salvage lifting conveyor belt continues to run for conveying, then the motor is started, the rotating shaft is driven, the material guide plate is turned to an inclined state, and preparation is made for guiding materials of a next group of salvage boxes;

and fifthly, repeating the steps three to four until the cleaning of the floaters is completed, stopping the operation of the salvaging and lifting conveyor belt, resetting the vertical trash rack and the horizontal trash rack, adjusting to be in a floater interception state, and preparing for the next cleaning.

The automatic recovery processing device and method for the water surface floaters in front of the dam have the following beneficial effects:

1. The transverse trash rack and the vertical trash rack form a trash blocking mechanism together to intercept floating objects, the floating objects enter a salvaging box of the salvaging mechanism from a collecting port under the action of water flow, and when the floating objects are required to be cleaned, the salvaging mechanism is only required to be started to salvage the floating objects.

2. Through the guide mechanism that sets up, can carry out the water conservancy diversion with promoting the floater that pours out in the upset back salvage case, make its landing to the rubbish conveyer belt, the convenience is transported the floater.

3. The transverse motor drives the transverse screw rod to rotate, so that the vertical trash rack moves along the transverse lower sliding rail, the two groups of vertical trash racks can move in opposite directions, floaters can be driven towards the direction of the collecting port in the middle of the two groups of transverse trash racks, and the floaters are collected.

4. After the two groups of vertical trash racks move in opposite directions, the transverse trash rack meshes move in the direction of the transverse trash racks, so that the floating objects can be driven towards the direction of the collecting port, and the floating objects can be collected.

5. The device adopts automatic collection clearance, can effectively clear up scattered surface of water floater before the dam, easy operation, the security risk is low.

Drawings

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a top view of the present invention;

FIG. 2 is a top view of the fishing mechanism;

FIG. 3 is a front view of the present invention;

FIG. 4 is a side view of the invention without the fishing mechanism installed;

FIG. 5 is a side view of the fishing mechanism;

FIG. 6 is a schematic installation view of a transverse dirt blocking sheet;

FIG. 7is a schematic view of the installation of a lateral or vertical slide clamp;

in the figure: dam 1, floating mechanism 2, salvaging mechanism 3, connecting rod 4, horizontal trash rack 5, guide mechanism 6, vertical trash rack 7, garbage conveyor 8, flushing gun 9, horizontal trash rack 10, brush 11, blade 12, hoist 13, pulley guide 14, pulley block 15, buoy 201, connecting ring 202, connecting shaft 203, salvaging lifting conveyor 301, salvaging box 302, vibrator 303, horizontal base 501, horizontal lower slide 502, horizontal trash rack sheet 503, horizontal screw 504, horizontal motor 505, horizontal moving nut 506, horizontal slide clamp 507, guide plate 601, rotating shaft 602, support seat 603, water leakage hole 604, vertical upper base 701, vertical lower slide 702, vertical trash rack sheet 703, vertical screw 704, vertical motor 705, vertical moving nut 706, vertical slide clamp 707.

Detailed Description

As shown in fig. 1-7, an automatic recovery processing device for water surface floaters in front of a dam comprises two groups of floating mechanisms 2 floating on the front side of the dam 1, wherein the front side of each floating mechanism 2 is connected with a transverse trash rack 5 through a connecting rod 4, the transverse trash racks 5 are arranged in parallel with a dam body, one end, far away from a collecting port, of each transverse trash rack 5 is provided with a vertical trash rack 7, and the vertical trash racks 7 are arranged perpendicular to the transverse trash racks 5. A collecting port is formed between the two groups of floating mechanisms 2, and a salvaging mechanism 3 is arranged at the collecting port. In this embodiment, the floating mechanism 2 includes a plurality of buoys 201, where the buoys 201 are connected to form a floating mechanism, specifically, connecting rings 202 are provided around the buoys 201, and connecting shafts 203 are simultaneously inserted into the connecting rings 202 adjacent to the two buoys 201 to connect the two buoys 201.

As shown in fig. 5, the salvage mechanism 3 includes a salvage lifting conveyor 301, a salvage box 302 with a hollow bottom is arranged on the lifting conveyor 301 at intervals, so that water is conveniently drained, the lower end of the salvage lifting conveyor 301 is installed below the water surface, the salvage box 302 is lifted upwards by the salvage lifting conveyor 301, after the salvage box 302 is lifted to the top, the salvage box 302 is turned upside down, and the floating objects cleaned in the salvage box 302 are poured out, so that the transportation of the floating objects is realized.

The dam crest is provided with a guide mechanism 6, the guide mechanism 6 comprises a guide plate 601, the bottom of the lower end of the guide plate 601 is provided with a rotating shaft 602, the rotating shaft 602 is rotatably arranged on two groups of supporting seats 603 through bearings, the rotating shaft 602 is driven by a motor, the lifting conveyor 301 lifts the salvaging box 302 to the upside-down position after the upside-down position is inverted, the inverted salvaging box 302 is positioned above the guide plate 601, and the guide plate 601 is convenient for guiding the poured floating objects.

Preferably, a flushing water gun 9 is arranged above the lifting conveyor 301, the flushing water gun 9 is a high-pressure water gun, the flushing water gun 9 is connected with a water source in front of a dam through a water pipe and a water pump, the flushing water gun 9 is positioned above a salvaging box 302 with the lifting conveyor 301 lifted to the upside turned upside down, and water leakage holes 604 are distributed on a guide plate 601.

When the salvage tank 302 is lifted, turned upside down, the salvaged floating objects are blanked onto the material guiding plate 601, in order to reduce the residual amount of the floating objects in the salvage tank 302, the flushing gun 9 is started to flush the bottom of the salvage tank 302, so that the residual floating objects in the salvage tank 302 can be cleaned onto the material guiding plate 601, water leakage holes 604 are distributed on the material guiding plate 601, and the draining is completed in the material guiding process.

Preferably, a vibrator 16 is provided at the upper end of the frame of the lifting conveyor 301. By providing vibrator 16, after a set of the salvage boxes 302 are lifted, turned upside down, vibrator 16 is turned on to facilitate the blanking of the floaters in the salvage boxes 302.

When the dam is specifically used, the dam crest of the dam 1 is provided with a garbage conveying belt 8, the garbage conveying belt 8 is positioned below one end of the guide plate 601, which is far away from the salvaging mechanism 3, the salvaged and collected floaters are conveyed to the floaters processing system for processing through the garbage conveying belt 8, and specifically, the garbage conveying belt 8 sequentially comprises a dewatering drying room, a crushing room, a screening compression room and the like, the floaters are conveyed to the dewatering drying room for drying processing, then the floaters enter the crushing room for crushing processing of the general floaters, the processed floaters are conveyed to the screening compression room, and classified recycling is performed after screening compression according to different types.

The transverse trash rack 5 and the vertical trash rack 7 form a trash holding mechanism together to intercept floating objects, the floating objects enter the salvaging box 302 of the salvaging mechanism 3 from the collecting port under the action of water flow, and when the floating objects need to be cleaned, the salvaging mechanism is only required to be started to realize salvaging of the floating objects.

Preferably, the transverse trash rack 5 comprises a transverse base 501 and a transverse lower slide rail 502, a transverse trash rack sheet 503 is arranged between the transverse base 501 and the transverse lower slide rail 502, a transverse screw rod 504 is arranged on the upper side of the transverse base 501, the end part of the transverse screw rod 504 is rotatably arranged on a supporting seat through a bearing, the supporting seat is arranged on the transverse base 501, the transverse screw rod 504 is driven by a transverse motor 505, a transverse moving nut 506 is in threaded fit with the transverse screw rod 504, a transverse slide rail clamp 507 is matched with the transverse lower slide rail 502 to slide, and the upper side and the lower side of the end part of the vertical trash rack 7 are respectively connected with the transverse moving nut 506 and the transverse slide rail clamp 507.

The transverse motor 505 drives the transverse screw 504 to rotate, and the transverse moving nuts 506 are in threaded fit with the transverse screw 504, so that the vertical trash rack 7 moves along the transverse lower sliding rail 502, and the vertical trash rack 7 moves along the length direction of the transverse trash rack 5, so that the two groups of vertical trash racks 7 can move in opposite directions, and floats can be moved to the collecting openings in the middle of the two groups of transverse trash racks 5, thereby being beneficial to the collection of floats.

Further, vertical trash rack 7 includes vertical base 701 and vertical slide rail 702 down, be equipped with vertical trash rack 703 between vertical base 701 and the vertical slide rail 702 down, vertical base 701 upside is equipped with vertical screw 704, vertical screw 704 rotates on the mount pad, vertical screw 704 passes through vertical motor 705 drive, vertical trash rack 7 keeps away from the one end of horizontal trash rack 5 and is equipped with horizontal trash screen 10, horizontal trash screen 10 parallel horizontal trash rack 5 sets up, the length is less than the length of horizontal trash rack 5, make things convenient for the floater to get into horizontal trash rack 5 front side, vertical removal nut 706 and vertical screw 704 screw-thread fit, vertical slide rail anchor clamps and vertical slide rail 702 cooperation slip down, horizontal trash screen 10 tip is connected with vertical removal nut 706 and vertical slide rail anchor clamps 707.

The vertical motor 705 drives the vertical screw 704 to rotate, and as the vertical moving nut 706 is in threaded fit with the vertical screw 704, the transverse trash screen 10 moves along the vertical lower sliding rail 702, so that the transverse trash screen 10 moves along the length direction of the vertical trash screens 7, after the two groups of vertical trash screens 7 move in opposite directions, the end parts of the transverse trash screens 10 are contacted, and the transverse trash screen 10 moves towards the direction of the transverse trash screens 5, so that the floating objects can be driven towards the direction of the collecting opening, and the collecting of the floating objects can be facilitated.

Preferably, a brush 11 is arranged at one end of the vertical trash rack 7 close to the transverse trash rack 5 or/and one end of the transverse trash screen 10 close to the vertical trash rack 7.

In the process that the vertical trash rack 7 moves relative to the horizontal trash rack 5, the hairbrushes 11 can synchronously clean floating objects adhered on the horizontal trash rack 5, and in the process that the horizontal trash screen 10 moves along the vertical trash rack 7, the hairbrushes 11 at the end parts of the horizontal trash screen 10 can synchronously clean the vertical trash rack 7.

The bottom of the transverse dirt blocking net sheet 10 is provided with a blade 12. The blades 12 may cut aquatic branches while the transverse dirt blocking net 10 is moving, reducing float entanglement.

Preferably, a winch 13 is arranged on the dam 1, a traction rope of the winch 13 is connected with one end, far away from the transverse trash rack 5, of the vertical trash rack 7, a pulley guide rail 14 is arranged on the front side of the dam 1, the pulley guide rail 14 is arranged in parallel with the transverse trash rack 5, a pulley block 15 is slidably mounted on the pulley guide rail 14, and the traction rope of the winch 13 is connected with the vertical trash rack 7 after bypassing the pulley block 15.

After the cleaning is finished, the winch 13 at the dam crest is started to lift the vertical trash rack 7 to the position above the water surface through the lifting steel rope, the transverse motor 505 is started to drive the transverse screw rods 504 to reversely rotate, so that the two groups of vertical trash racks 7 deviate from moving to reset, and in the moving process of the vertical trash rack 7, the pulley block 15 synchronously moves along the pulley guide rail 14, so that the movement of the vertical trash rack 7 is not influenced.

A method for recycling and treating a water surface floater in front of a dam comprises the following steps:

Step one, the transverse trash rack 5 and the vertical trash rack 7 intercept the floating matters on the water surface in front of the dam, after a certain amount of the floating matters are intercepted, the transverse motors 505 on the two groups of transverse trash racks 5 are started to drive the corresponding transverse screws 504 to rotate, so that the two groups of vertical trash racks 7 move from two sides to the middle along the transverse lower sliding rail 502, the floating matters scattered in front of the dam are gradually collected at the collecting port position in the middle of the dam body, the transverse motors 505 are closed, and the vertical trash racks 7 stop moving.

Step two, turning on the vertical motors 705 on the two groups of vertical trash racks 7, driving the vertical screws 704 to rotate, enabling the transverse trash screen 10 to move along the vertical lower sliding rail 702, collecting the floaters to the front side of the salvaging mechanism 3 from the far end, enabling the transverse trash screen 10 to continuously move or enabling the floaters to enter the salvaging box 302 from the collecting port under the action of water flow, starting the salvaging lifting conveyor 301, and lifting the salvaging box 302 upwards.

Step three, after the salvage bin 302 is lifted to the upper end and turned upside down, the lifting conveyor belt 301 stops conveying, at this time, the inverted salvage bin 302 is located above the guide plate 601, the guide plate 601 guides the floating objects, the floating objects are conveyed to the garbage conveyor belt 8, and the garbage conveyor belt 8 conveys the cleaned floating objects to the next working procedure.

Step four, the motor drives the rotating shaft 602 to rotate, the material guiding plate 601 is turned to a vertical state, the salvage lifting conveyor 301 continues to run for conveying, then the motor is started, the rotating shaft 602 is driven to turn the material guiding plate 601 to an inclined state, and preparation is made for guiding materials of the next group of salvage boxes 302.

And fifthly, repeating the steps three to four until the cleaning of the floaters is completed, stopping the operation of the salvaging and lifting conveyor belt 301, resetting the vertical trash rack 7 and the horizontal trash screen 10, and adjusting to a floater interception state so as to be ready for the next cleaning.

After the construction of various water conservancy dams is finished, the cleaning work of the water surface floaters can be faced, the device is simple in structure and convenient to operate, the water surface floaters in the front area of the dam can be automatically cleaned through mechanized control, and the economic cost and the safety risk of manual operation are reduced.

Claims (10)

1. The utility model provides an automatic recovery processing device of surface of water floater before dam, a serial communication port, float mechanism (2) at dam (1) front side including two sets of, float mechanism (2) front side passes through connecting rod (4) and connects horizontal trash rack (5), form between two sets of float mechanism (2) and collect the mouth, it is equipped with salvage mechanism (3) to collect the mouth, salvage mechanism (3) are including salvaging promotion conveyer belt (301), it is equipped with salvage case (302) of bottom fretwork to promote the interval on conveyer belt (301), the dam top is equipped with guide mechanism (6), guide mechanism (6) include guide plate (601), guide plate (601) lower extreme is equipped with pivot (602), pivot (602) rotate and install on supporting seat (603), pivot (602) pass through motor drive, lift up behind the turn of upper end with salvage case (302), the one end that horizontal trash rack (5) kept away from to collect mouthful is equipped with vertical trash rack (7) above guide plate (601).

2. The automatic recovery processing device for the pre-dam water surface floats according to claim 1, wherein the transverse trash rack (5) comprises a transverse base (501) and a transverse lower sliding rail (502), a transverse trash rack sheet (503) is arranged between the transverse base (501) and the transverse lower sliding rail (502), a transverse screw (504) is arranged on the upper side of the transverse base (501), the transverse screw (504) is driven by a transverse motor (505), a transverse moving nut (506) is in threaded fit with the transverse screw (504), a transverse sliding rail clamp (507) is in matched sliding with the transverse lower sliding rail (502), and the end part of the vertical trash rack (7) is connected with the transverse moving nut (506) and the transverse sliding rail clamp (507).

3. The automatic recovery processing device for the water surface floats in front of a dam according to claim 2, wherein the vertical trash rack (7) comprises a vertical upper base (701) and a vertical lower sliding rail (702), a vertical trash rack sheet (703) is arranged between the vertical upper base (701) and the vertical lower sliding rail (702), a vertical screw (704) is arranged on the upper side of the vertical upper base (701), the vertical screw (704) is driven by a vertical motor (705), a transverse trash rack (10) is arranged at one end, far away from the transverse trash rack (5), of the vertical trash rack (7), a vertical moving nut (706) is in threaded fit with the vertical screw (704), a vertical sliding rail clamp (702) is in matched sliding connection with the vertical lower sliding rail (702), and the end part of the transverse trash rack (10) is connected with the vertical moving nut (706) and the vertical sliding rail clamp (707).

4. An automatic recovery treatment device for water surface floats in front of a dam according to claim 3, wherein a brush (11) is arranged at one end of the vertical trash rack (7) close to the horizontal trash rack (5) or/and one end of the horizontal trash rack (10) close to the vertical trash rack (7), and a blade (12) is arranged at the bottom of the horizontal trash rack (10).

5. The automatic recovery processing device for the pre-dam water surface floats according to claim 1, wherein a garbage conveyor belt (8) is arranged at the dam top of the dam (1), and the garbage conveyor belt (8) is arranged below the guide plate (601).

6. The automatic recovery processing device for the water surface floats in front of the dam according to claim 1, wherein a flushing water gun (9) is arranged above the lifting conveyor belt (301), the flushing water gun (9) is located above a salvaging box (302) with the lifting conveyor belt (301) lifted to the position with the upper end turned upside down, and water leakage holes (604) are distributed on a guide plate (601).

7. An automated recovery processing device for pre-dam surface floats according to claim 1, characterized in that a vibrator (16) is provided at the upper end of the frame of said lifting conveyor (301).

8. The automatic recovery processing device for the water surface floats in front of the dam according to claim 2, wherein a winch (13) is arranged on the dam (1), a pulley guide rail (14) is arranged on the front side of the dam (1), a pulley block (15) is slidably arranged on the pulley guide rail (14), and a traction rope of the winch (13) bypasses the pulley block (15) and is connected with one end, far away from the transverse trash rack (5), of the vertical trash rack (7).

9. The automatic recovery processing device for the pre-dam water surface floats according to claim 1, wherein the floating mechanism (2) comprises a plurality of buoys (201), connecting rings (202) are arranged around the buoys (201), and connecting shafts (203) are simultaneously inserted into the adjacent connecting rings (202) of the two groups of buoys (201) to connect the two groups of buoys (201).

10. The method for recycling and treating the water surface floaters in front of the dam is characterized by comprising the following steps of:

Firstly, intercepting floating matters on the water surface in front of a dam by a transverse trash rack (5) and a vertical trash rack (7), after intercepting a certain amount of floating matters, starting transverse motors (505) on the two groups of transverse trash racks (5) to drive corresponding transverse screws (504) to rotate, so that the two groups of vertical trash racks (7) move from two sides to the middle along a transverse lower sliding rail (502), gradually converging the scattered floating matters in front of the dam to a collecting port position in the middle of the dam, closing the transverse motors (505), and stopping moving the vertical trash racks (7);

Step two, opening vertical motors (705) on the two groups of vertical trash racks (7), driving vertical screws (704) to rotate, enabling the transverse trash rack (10) to move along a vertical lower sliding rail (702), collecting floaters to the front side of a salvaging mechanism (3) from the far end, enabling the transverse trash rack (10) to continuously move or enabling the floaters to enter a salvaging box (302) from a collecting port under the action of water flow, and starting a salvaging lifting conveyor belt (301) to lift the salvaging box (302) upwards;

Lifting the salvaging box (302) to the upper end, turning upside down, and then lifting the conveying belt (301) to stop conveying, wherein the inverted salvaging box (302) is positioned above the material guiding plate (601), the material guiding plate (601) guides the floaters, the floaters are conveyed to the garbage conveying belt (8), and the garbage conveying belt (8) conveys the cleaned floaters to the next working procedure;

Step four, a motor drives a rotating shaft (602) to rotate, a guide plate (601) is turned to a vertical state, a salvage lifting conveyor belt (301) continues to run for conveying, then the motor is started, the rotating shaft (602) is driven, the guide plate (601) is turned to an inclined state, and preparation is made for guiding materials of the next group of salvage boxes (302);

and fifthly, repeating the steps three to four until the cleaning of the floaters is completed, stopping the operation of the salvaging and lifting conveyor belt (301), resetting the vertical trash rack (7) and the horizontal trash rack (10), and adjusting to a floater interception state so as to be ready for the next cleaning.