CN113309038B - Riverway environment restoration structure and riverway ecological environment restoration method - Google Patents

Abstract

The application relates to a riverway environment restoration structure and a riverway ecological environment restoration method, which aim to solve the technical problems that comprehensive treatment cannot be carried out on a water body and the riverway environment is still damaged after the water body is polluted, and comprise a riverway, bank slopes on two sides of the riverway and a buffer zone positioned on one side of the bank slopes; arbor is planted on the surface of the buffer zone, and water permeable bricks are laid on the surface of the buffer zone; the bank slope is provided with in one side of river course and blocks the concrete piece, and the bank slope is provided with the concrete barricade in the one side of buffer zone of laminating, and the bank slope is located and is provided with the silt layer between concrete barricade and the concrete piece of blockking, and the surface on silt layer is provided with the metalling, is provided with the vegetable layer between silt layer and the metalling, and the surface on metalling is provided with coarse stone, has set up the holding bag of water-soluble in the silt layer, is provided with grass seeds and rooting powder in the holding bag. This application has the effect of being convenient for improve the river course environment, restoreing impaired river course.

Description

Riverway environment restoration structure and riverway ecological environment restoration method

Technical Field

The application relates to the field of river channel treatment, in particular to a river channel environment restoration structure and a river channel ecological environment restoration method.

Background

River environment restoration is an engineering for restoring polluted and damaged river environment.

In the related art, chinese patent with publication number CN211472443U discloses a riverway environment repairing structure, which comprises an unmanned sewage disposal ship, wherein a plurality of suspension blocks are fixedly mounted on the front and back of the unmanned sewage disposal ship, a guide plate is fixedly mounted at the left bottom of the unmanned sewage disposal ship, and a guide baffle is fixedly mounted on the front and back of the top of the guide plate. Leading-in dirty case of flowing groove and interior collection of floated suspended solid of river surface through guide plate and water conservancy diversion baffle, make its more efficient enter into the dirty incasement of collection through the oblique baffle simultaneously, then make its inside unnecessary water can be extruded the outside of dirty case of collection by the suspended solid through the filter screen, avoid its gathering to reduce the efficiency of decontaminating in one side of the dirty case of collection, clear up after a period, drag unmanned ship of decontaminating to the bank, then derive its inside impurity through the blow off pipe, carry out the independent processing, thereby reached convenient to use and the higher purpose of efficiency of decontaminating.

Aiming at the related technologies, the inventor thinks that the structure can only clean the floating objects on the water surface but can not treat the surface runoff, and the nutrient carried by the surface runoff flows into the river channel to cause the eutrophication of the river water and the damage to the river channel environment after the water body is polluted.

Disclosure of Invention

In order to facilitate treatment of surface runoff flowing to a river channel, the application provides a river channel environment restoration structure and a river channel ecological environment restoration method.

The river channel environment restoration structure and the river channel ecological environment restoration method adopt the following technical scheme:

first aspect, this application provides a river course environment repair structure, adopts following technical scheme:

a riverway environment restoration structure comprises a riverway, bank slopes positioned on two sides of the riverway and a buffer zone positioned on one side of the bank slopes far away from the riverway; arbor trees are planted on the surface of the buffer zone, and water seepage bricks are laid on the surface of the buffer zone between the arbor trees; the bank slope laminating is provided with in one side of river course and blocks the concrete piece, the bank slope laminating is provided with the concrete barricade in one side of buffer zone, the bank slope is located the concrete barricade and blocks and is provided with the silt layer between the concrete piece, the surface on silt layer is provided with the metalling, be provided with the vegetable layer between silt layer and the metalling, the surface on metalling is provided with coarse stone, the setting bag that has water-soluble has been set in the silt layer, be provided with grass seeds and rooting powder in the setting bag.

By adopting the technical scheme, when the pollutants of the surface runoff pass through the buffer zone, the water of the surface runoff permeates into the ground through the water permeable bricks, the sludge layer on the bank slope can provide nutrients for grass seed germination and the vegetation layer, the vegetation layer and the sludge layer can be fixed by covering the sludge layer with the gravel layer and the coarse stones, and simultaneously, the water and soil can be fixed on the bank slope by matching with the vegetation layer, so that the water and soil loss caused by the surface runoff is reduced, and the water level of a river channel is reduced when the soil enters the river channel; the containing bag is a water-soluble bag, and the grass seeds and the rooting powder are exposed in soil after being dissolved in water in the containing bag, so that the grass seeds can root and sprout conveniently, the plants can root conveniently, the slope protection and soil stabilization can be realized while nutrients of surface runoff are absorbed, and the water and soil loss is reduced.

Preferably, bank slope is located the concrete barricade and blocks and is provided with the arresting barrier between the concrete piece, the arresting barrier is located bank slope both sides and is provided with a plurality of solid fixed rings respectively, the fixed orifices that correspond quantity with solid fixed ring is all seted up on the surface that the concrete barricade blockked the concrete piece, gu be provided with fixed subassembly in fixed ring and the fixed orifices altogether, fixed subassembly is used for cooperating the fixed orifices to fix solid fixed ring at the concrete barricade or block on the concrete piece.

By adopting the technical scheme, the fixing ring is fixed on the concrete retaining wall or the blocking concrete block by the fixing component, and the blocking net can block the coarse stones between the concrete retaining wall and the blocking concrete block because the fixing ring is fixed on the blocking net, so that the coarse stones cannot roll off even if large rainwater occurs, and the fixing effect is achieved at the initial germination stage of grass seeds.

Preferably, the fixing assembly comprises a fixing rod inserted in the fixing hole, a limiting plate positioned at one end of the fixing rod and a fixing block connected to one end of the fixing rod far away from the limiting plate in a sliding manner along the radial direction, and an anti-falling part for preventing the fixing block from falling off from the fixing rod is arranged at one end of the fixing block inserted in the fixing rod; the dead lever central point puts and is provided with the butt pole of going out the dead lever with the stopper butt, the one end of butt pole back to the limiting plate is provided with application of force inclined plane, the surface of limiting plate is provided with the spacing subassembly that is used for restricting the butt pole position.

Through adopting above-mentioned technical scheme, the butt pole is inserted and is established in the dead lever, can support out the dead lever with the fixed block in the dead lever to the position of cooperation spacing subassembly butt joint pole is spacing, makes the fixed block can shift out the dead lever and keep sliding out the state of dead lever, thereby mutually supports with the limiting plate, thereby can fix solid fixed ring fast at the concrete barricade or block concrete block on the surface.

Preferably, the limiting assembly comprises a limiting ring arranged on the surface of the limiting plate, a limiting block inserted in the limiting ring and a shifting block positioned at one end of the limiting block; the one end that the limiting plate was kept away from to the dead lever is provided with the elastic component that resets that is used for propping out the dead lever with the butt pole.

Through adopting above-mentioned technical scheme, fix the spacing ring on spacing plate surface and can provide spacing track for the stopper for insert the stopper of establishing in the spacing ring and support the butt pole under the spacing of spacing ring and press inside the dead lever, thereby make the butt pole keep supporting the state of pressing to the stopper, make the stopper stretch out outside the dead lever all the time, thereby kept the solid fixed state to the solid fixed ring on the arresting net.

Preferably, a retaining dam is arranged at intervals in the river channel, water discharge gates are arranged at two ends of the retaining dam, a water guide port is arranged in the middle of the retaining dam in the length direction, a water inlet hopper is connected to the position, located at the water guide port, of the retaining dam, the water inlet hopper is connected with a water delivery roller arranged in the depth direction of the river channel through a rotary joint, and the water inlet hopper is connected to one end, close to the bottom wall of the river channel, of the water delivery roller; the side wall of the water delivery roller is provided with a water outlet, the water delivery roller is positioned at the water outlet and is connected with a water containing bag, the water containing bag is provided with dovetail blocks at intervals at one side which is attached to the bottom wall of the river channel, and the bottom wall of the river channel is provided with dovetail grooves for the dovetail blocks to be inserted; a sealing plate for sealing a water guide opening on the next water blocking dam is arranged at one end, far away from the water outlet, of the water containing bag, and water outlet valves are respectively arranged on two sides of one end, close to the sealing plate, of the water containing bag; the water delivery roller is provided with a driven worm wheel, the water blocking dam is provided with a driving motor, an output shaft of the driving motor is provided with a driving worm meshed with the driven worm wheel, and locking assemblies used for fixing the sealing plate are arranged on two sides of the water guide port.

By adopting the technical scheme, the arrangement of the water retaining dam is convenient for dividing the river channel into a plurality of sections along the length direction, and the arrangement of the water drainage gate is convenient for closing and draining the river water; when needs are cleaned the silt of prediction in the river course, lead the mouth of a river through leading the mouth of a river with river leading-in, under the guide of rotary joint and water delivery roller, river input is in flourishing water bag, the forked tail piece of flourishing water bag one side slides along the dovetail, the one end of flourishing water bag is fixed through the closing plate, form a wall of cutting up water this moment, cut apart the river course and form two halves, then seal one side through the sluicing floodgate, and carry out the desilting after emptying river, the sluicing gate can be opened to the opposite side and the unobstructed of river course is kept, so clean in turn, thereby can also carry out the desilting to the river course when guaranteeing that the river course is unobstructed.

Preferably, the water retaining dam is provided with pressing plates for limiting the positions of the sealing plates on two sides of the water containing bag respectively, the pressing plates are rotatably connected with extrusion rollers, and extrusion driving parts for driving the extrusion rollers to face the water containing bag are arranged on the pressing plates.

By adopting the technical scheme, the extrusion driving part drives the extrusion roller to move towards the water containing bag, and the extrusion roller freely rotates at the end part of the piston rod of the extrusion driving part, so that river water in the water containing bag can be extruded and discharged from the water discharge valve when the water containing bag is rolled, and the water containing bag can be conveniently rolled to the surface of the water conveying roller; when the water containing bag is wound, the closing plate is abutted against the end wall of the pressing plate, so that the winding position of the water containing bag can be limited.

Preferably, the water guide mouth is provided with all around and supplies the embedding groove that the closing plate inlayed, the locking subassembly is including setting up at the lock ring of embedding groove one side, sliding the butt plate of connection in the lock ring and the hydraulic drive spare that the drive butt plate slided, one side that the butt plate orientation closing plate was provided with the direction inclined plane.

Through adopting above-mentioned technical scheme, the hydraulic drive spare simultaneous action of embedding groove both sides can promote the butt joint board and remove towards the embedding groove under the spacing of spacing ring, and the setting up of direction inclined plane is convenient for extrude the closing plate into in the embedding groove to be convenient for seal the water gate.

Preferably, the blocking concrete block is provided with an elastic rope, one end of the elastic rope, which is far away from the blocking concrete block, is provided with a floating frame, and aquatic plants are planted in the floating frame; an aeration pump for pumping air into water is arranged on one side of the floating frame, which is far away from the bank slope; a spraying pump for spraying water in a river channel into the air is arranged on one side, close to the bank slope, of the floating frame; and the four corners of the floating frame are provided with pendants for keeping the floating frame stable.

By adopting the technical scheme, the center of the floating frame can facilitate the growth of aquatic plants, so that floating islands on the water surface are formed, and the oxygen content of river water is improved conveniently through the photosynthesis of the aquatic plants; on the other hand, the spray pump sprays the river water in the river channel into the air, so that on one hand, green plants on a bank slope can be conveniently irrigated, and on the other hand, oxygen in part of air can be dissolved and then falls into the water, and therefore the oxygen content of the river water is improved; the setting of aeration pump is convenient for go into the river with the air pump, can improve the oxygen content of river equally.

In a second aspect, the application provides a river ecological environment recovery method for a river environment restoration structure, which adopts the following technical scheme:

a river channel ecological environment recovery method of a river channel environment restoration structure is characterized by comprising the following steps:

closing the river channel section by section in a dry period, and discharging water in the river channel;

pouring concrete retaining walls and concrete blocking blocks on two sides of the river channel;

digging out sludge at the bottom of the river channel, and paving the sludge between the concrete retaining wall and the blocking concrete block;

cultivating green plants, paving a rubble layer and coarse stones on the sludge layer and reinforcing;

removing the closure of the river channel, and allowing plants to sprout; and the number of the first and second groups,

periodically cleaning and laying the sludge on a bank slope.

By adopting the technical scheme, the riverway is temporarily sealed and is transformed, so that the ecological environment of the riverway is restored, green plants are cultivated on two sides of the riverway to absorb nutrients, and the eutrophication of the water body caused by the fact that surface runoff carries a large amount of nutrients to enter the riverway is reduced; on the other hand, the sludge is cleaned regularly, so that the water storage quantity of the river channel is kept at the depth, the river bed is not lifted, and meanwhile, the eutrophication of the water body caused by the enrichment of the eutrophic substances at the river bottom is reduced.

Preferably, the cultivating the green plants, and the paving and reinforcing of the rubble layer and the coarse stones on the sludge layer comprises:

sowing grass seeds on the surface of the sludge layer to form a vegetation layer, and then paving a gravel layer and coarse stones;

covering a blocking net on the surface of the coarse stone block, and aligning a fixing ring of the blocking net to a concrete retaining wall or a fixing hole of a blocking concrete block;

inserting the fixed rod into the fixed hole, inserting the abutting rod into the fixed rod, and abutting the fixed block out of the fixed rod; and the number of the first and second groups,

then the limiting block is inserted in the limiting ring, and the abutting rod is locked.

By adopting the technical scheme, when the pollutants of the surface runoff pass through the buffer zone, the water of the surface runoff permeates into the ground through the water permeable bricks, the sludge layer on the bank slope can provide nutrients for grass seed germination and a vegetation layer, the vegetation layer and the sludge layer can be fixed by covering the sludge layer with the gravel layer and the coarse stones, and simultaneously, the water and soil can be fixed on the bank slope by matching with the vegetation layer, so that the water and soil loss caused by the surface runoff is reduced, and the water level rise of a river channel when the soil enters the river channel is reduced; the grass seeds and the rooting powder in the containing bag are exposed in soil, so that the grass seeds can take roots and germinate conveniently, plants can take roots conveniently, the soil can be protected and fixed while pollutants in surface runoff are absorbed, and water and soil loss is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by adopting the technology of matching river channels, bank slopes, buffer zones, planting holes, trees, water-permeable bricks, blocking concrete blocks, concrete retaining walls, sludge layers, gravel layers, coarse stones, containing bags, grass seeds, rooting powder, elastic ropes, floating frames, aeration pumps, spraying pumps and suspended matters, the ecological management on the water channels is facilitated, the water and soil holding capacity is enhanced, the eutrophication of the water body is reduced, and the oxygen content of the water body is improved;

2. the blocking net is conveniently fixed on a blocking concrete block or a concrete retaining wall so as to limit coarse stones by the aid of a technology of matching the blocking net, the fixing rings, the fixing holes, the fixing assemblies, the fixing rods, the limiting plates, the fixing blocks, the anti-falling pieces, the butting rods, the force application inclined planes, the limiting rings, the limiting blocks, the shifting blocks and the reset elastic pieces;

3. the river channel dredging device has the advantages that the technology that the water blocking dam, the water drainage gate, the water guide port, the water inlet hopper, the water conveying roller, the water outlet, the water containing bag, the dovetail block, the dovetail groove, the sealing plate, the water drainage valve, the driven worm wheel, the driving motor, the driving worm, the locking assembly, the pressing plate, the squeezing roller, the squeezing driving piece, the embedding groove, the locking ring, the pressing plate, the hydraulic driving piece and the guide inclined plane are matched is adopted, so that the river channel is conveniently separated, dredging is carried out on one side, and the other side is unblocked.

Drawings

Fig. 1 is a schematic cross-sectional view of a river channel environment restoration structure in an embodiment of the present application;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 2;

FIG. 4 is a schematic view for showing a floating frame structure in an embodiment of the present application;

FIG. 5 is a schematic view showing a structure at a dam in an embodiment of the present application;

fig. 6 is a schematic diagram for showing the internal structure of the water delivery roller in the embodiment of the present application.

Description of reference numerals: 1. a river channel; 10. an elastic cord; 11. a floating frame; 110. a floating plate; 111. an overhang; 12. a spray pump; 13. an aeration pump; 14. a solar panel; 15. a dovetail groove; 2. a bank slope; 21. blocking concrete blocks; 22. a sludge layer; 220. a vegetable layer; 221. a containing bag; 2211. a cavity; 23. a crushed stone layer; 24. coarse stone blocks; 25. a barrier net; 251. a fixing ring; 2511. a fixing hole; 26. a fixing assembly; 261. a limiting plate; 262. a fixing rod; 2620. a closing block; 2621. a restoring elastic member; 263. a fixed block; 2631. a drop-preventing member; 2632. a abdicating inclined plane; 27. a butting rod; 271. a force application slope; 28. a limiting component; 281. a limiting ring; 282. a limiting block; 283. shifting blocks; 3. a buffer zone; 31. a tree; 32. water seepage bricks; 321. planting holes; 33. a concrete retaining wall; 5. a water retaining dam; 51. a water discharge gate; 52. a water guide port; 521. an embedding groove; 53. a water inlet hopper; 530. a communicating pipe; 531. a rotary joint; 54. a water delivery roller; 541. a water outlet; 542. a driven worm gear; 55. a water bag; 551. a dovetail block; 552. a water drain valve; 553. a closing plate; 56. a drive motor; 561. a drive worm; 57. pressing the plate; 571. extruding the driving member; 5711. a rotating shaft; 572. a squeeze roll; 6. a locking assembly; 61. a locking ring; 62. a butt joint plate; 621. a guide slope; 63. a hydraulic drive.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses river course environment repair structure. Referring to fig. 1, the riverway environment repairing structure includes a riverway 1, bank slopes 2 located on both sides of the riverway 1, and a buffer zone 3 located on one side of the bank slopes 2 away from the riverway 1. Arbor 31 has been planted on the surface of buffer zone 3, and arbor 31 is the bank protection arbor, and interval planting has the bush to reduce the surface runoff. The surface of buffering area 3 has laid infiltration brick 32, and infiltration brick 32 is formed with the planting hole 321 that supplies arbor 31 to grow, and infiltration brick 32 can supply the rivers to infiltrate in the soil when taking place the surface runoff.

Referring to fig. 1 and 2, the buffer zone 3 is attached to the side wall of the bank slope 2 to form a concrete retaining wall 33 through pouring, and the concrete retaining wall 33 is provided with holes for water seepage so as to discharge accumulated water during water flow siltation. One side of the bank slope 2 far away from the concrete retaining wall 33 is formed with a blocking concrete block 21 through pouring, and the blocking concrete block 21 is positioned on one side of the bank slope 2 attached to the river channel 1. A sludge layer 22, a gravel layer 23 and coarse stones 24 are laid between the concrete retaining wall 33 and the blocking concrete blocks 21 from bottom to top, and the sludge layer 22 is formed by digging out sludge at the bottom of the river channel 1 and laying on the bank slope 2. The gravel layer 23 is formed by uniformly paving gravel on the surface of the silt layer 22, in the paving process of the gravel layer 23, the containing bag 221 is embedded in the silt layer 22, the containing bag 221 is made of water-soluble materials, two cavities 2211 are formed by cutting, wherein grass seeds are filled in one cavity 2211, and rooting powder is filled in the other cavity 2211. Grass seeds are laid on the surface of the sludge layer 22, and broken stones are uniformly laid after the grass seeds germinate to form a vegetation layer 220 so as to compact and fix the vegetation layer 220. The coarse stone blocks 24 are formed on the surface of the crushed stone layer 23 under the block of the block concrete block 21, thereby fixing the crushed stone layer 23 and the vegetation layer 220 on the bank slope 2.

Referring to fig. 2 and 3, the surface of the coarse stone block 24 is covered with a barrier net 25, and the barrier net 25 is formed by weaving straw ropes. The two sides of the arresting net 25 are woven to form a plurality of fixing rings 251, fixing holes 2511 corresponding to the fixing rings 251 one to one are formed in the surfaces of the concrete retaining wall 33 and the arresting concrete block 21, and fixing assemblies 26 for fixing the fixing rings 251 on the concrete retaining wall 33 or the arresting concrete block 21 are inserted into the fixing holes 2511, so that the arresting net 25 is fixed between the concrete retaining wall 33 and the arresting concrete block 21, and coarse stones 24 below the arresting net 25 are limited.

Referring to fig. 2 and 3, the fixing assembly 26 includes a limit plate 261, a fixing rod 262 and a fixing block 263, the limit plate 261 is integrally formed at one end of the fixing rod 262, the fixing rod 262 is inserted into the fixing ring 251 and the fixing hole 2511, and the fixing block 263 is freely slidably connected in the fixing rod 262 along a radial direction of the fixing rod 262. An anti-dropping member 2631 for preventing the fixing block 263 from dropping off from the fixing rod 262 is adhesively fixed to one end of the fixing block 263 inserted in the fixing rod 262. The fixing rod 262 is hollow, and the fixing rod 262 is slidably connected with an abutting rod 27 which abuts against the fixing block 263 to enable the fixing block 263 to extend out of the fixing rod 262 and keep the extending state. An end of the abutting rod 27 is chamfered to form a force applying inclined surface 271 for abutting against the fixing block 263, and a relief inclined surface 2632 is formed by cutting on one side of the fixing block 263 facing the force applying inclined surface 271, so as to abut out the fixing block 263.

Referring to fig. 2 and 3, a limiting assembly 28 for limiting the position of the abutting rod 27 is mounted on the surface of the limiting plate 261, the limiting assembly 28 includes a limiting ring 281, a limiting block 282 and a shifting block 283, the limiting ring 281 is radially and symmetrically arranged along the limiting plate 261, the limiting block 282 is inserted into the limiting ring 281, and one side surface of the limiting block 282, which faces the abutting rod 27, is attached to the end wall of the abutting rod 27, the shifting block 283 is welded and fixed on one side of the limiting block 282, and the shifting block 283 abuts against the side wall of the limiting ring 281 to limit the sliding position of the limiting block 282, so that the limiting block 282 is prevented from being disengaged from the limiting ring 281.

Referring to fig. 2 and 3, one end threaded connection that the fixed rod 262 is far away from the limiting plate 261 has a closed block 2620 that seals the fixed rod 262, and the mounting hole has been seted up towards the end wall of butt rod 27 to closed block 2620, installs the elastic component 2621 that resets in the mounting hole, and the elastic component 2621 that resets can be the spring, and the elastic component 2621 that resets offsets with butt rod 27 to with butt rod 27 when stopper 282 takes out from butt rod 27 unblock, offset rod 262.

Referring to fig. 1 and 4, a floating frame 11 is arranged inside a river channel 1, an elastic rope 10 is fixedly connected to the surface of a blocking concrete block 21 through bolts, and the other end of the elastic rope 10 is tied on the floating frame 11. The floating frame 11 is made of circular foam square tubes, and aquatic plants such as duckweed, water lettuce, water lily, water hyacinth and the like are planted in the center of the floating frame 11. The side wall of the bottom of the floating frame 11 is integrally formed with a floating plate 110 to increase the contact area of the floating frame 11 and river water and ensure buoyancy.

Referring to fig. 4, the four corners of the bottom of the floating frame 11 are respectively suspended with an overhang 111, and the overhang 111 may be a stone or a plumb block, so as to ensure the stability of the floating frame 11. The buoyancy plate of the floating frame 11 is provided with a spraying pump 12 and an aeration pump 13, the spraying pump 12 sprays water in the river channel 1 into the air, and the aeration pump 13 pumps air into river water. The top of the floating frame 11 is provided with a solar cell panel 14, and the solar cell panel 14 is electrically connected with the spraying pump 12 and the aeration pump 13 to supply power to the spraying pump 12 and the aeration pump 13.

Referring to fig. 1 and 5, the river channel 1 has a height difference from upstream to downstream so that river water can freely flow. A retaining dam 5 is built at intervals of the river channel 1, and drainage gates 51 for closing river water are installed at both ends of the retaining dam 5. The middle part of the length direction of the water retaining dam 5 is provided with a water guide port 52, the water retaining dam 5 is embedded and fixedly welded with a water inlet hopper 53 for guiding water flow, and the water inlet hopper 53 is conical and guides river water towards one end close to the bottom wall of the river channel 1.

Referring to fig. 5 and 6, a communicating pipe 530 is communicated with an end portion of the water inlet hopper 53 close to the bottom wall of the river channel, one end of the communicating pipe 530 far away from the water inlet hopper 53 is connected with a water delivery roller 54 through a rotary joint 531, one end of the water delivery roller 54 far away from the communicating pipe 530 is mounted on the top of the retaining dam 5 through a bearing, and the water delivery roller 54 is arranged along the depth direction of the river channel 1. A water outlet 541 is formed on a side wall of the water delivery roller 54, and the water outlet 541 extends along the length direction of the water delivery roller 54. The outer side wall of the water delivery roller 54 at the water outlet 541 is connected with a water containing bag 55, and the water containing bag 55 extends to the surface of the downstream retaining dam 5 when being completely unfolded. The water containing bag 55 and the fire hose are made of the same material and are rectangular bags with the same height as the water retaining dam 5, and when the water containing bag 55 is filled with water, the water containing bag 55 forms a water wall which divides the river channel 1 into two parts. The top wall of the water delivery roller 54 is provided with an air pressure balancing hole to balance the air pressure inside the water delivery roller. The control rod is inserted in the air pressure balance hole in a clearance fit mode, floating foam is fixedly bonded at the bottom of the control rod, the top of the control rod is in threaded connection with a limiting rod, the length of the limiting rod is larger than the aperture of the air pressure balance hole, and the floating foam rises when the water surface rises, so that the air pressure balance hole is sealed.

Referring to fig. 5 and 6, the water delivery roller 54 is connected with a driven worm wheel 542 through a key, the top wall of the water retaining dam 5 is fixedly connected with a driving motor 56 through a bolt, an output shaft of the driving motor 56 is fixedly connected with a driving worm 561 which is meshed with the driven worm wheel 542 through a coupler, the driving motor 56 drives the driving worm 561 to rotate, the driven worm wheel 542 is driven to rotate, and the rotation of the water delivery roller 54 can be achieved so as to wind and release the water containing bag 55.

Referring to fig. 5 and 6, the retaining dam 5 is provided with pressing plates 57 at a side facing away from the water guide 52, the pressing plates 57 are provided at both sides of the water containing bag 55, and both pressing plates 57 are inclined toward the central axis of the retaining dam 5 to form a trumpet shape gradually increasing from the end away from the retaining dam 5 toward the end near the retaining dam 5. An extrusion driving member 571 is welded and fixed on the surface of the pressing plate 57, the extrusion driving member 571 can be an oil cylinder, a rotating shaft 5711 is rotationally welded and fixed on a piston rod of the extrusion driving member 571, an extrusion roller 572 is rotationally connected on the peripheral wall of the rotating shaft 5711, the extrusion driving member 571 drives the two extrusion rollers 572 to approach each other, and at the moment, the water delivery roller 54 rotates to extrude the river water in the water containing bag 55.

Referring to fig. 1 and 5, a dovetail block 551 is fixedly bonded to one side of the bottom wall of the river 1 of the water bag 55, and a plurality of dovetail blocks 551 are provided at intervals along the longitudinal direction of the water bag 55. The bottom wall of the river channel 1 is poured to form a dovetail groove 15, and the dovetail block 551 is connected in the dovetail groove 15 in a sliding mode in a matching mode, so that the bottom wall of the water containing bag 55 is limited at the bottom of the river channel 1. Two water release valves 552 are installed at one end of the water containing bag 55 far away from the water outlet 541, and one water release valve 552 is respectively arranged at two sides of the water containing bag 55 to release the water in the water containing bag 55 when the water containing bag 55 needs to be removed.

Referring to fig. 5 and 6, a closing plate 553 is adhesively fixed to an end wall of the water containing bag 55 near the drain valve 552, and the closing plate 553 is used to close the water guide opening 52 of the next dam 5. An embedding groove 521 for embedding the closing plate 553 is formed around the water guide opening 52, and locking assemblies 6 for fixing the closing plate 553 in the embedding groove 521 are installed on the two sides of the embedding groove 521 of the check dam 5. Locking subassembly 6 includes lock ring 61, butt plate 62 and hydraulic drive member 63, and lock ring 61 and hydraulic drive member 63 are installed respectively at the lateral wall of retaining dam 5, and hydraulic drive member 63 is the pneumatic cylinder. The piston rod of the hydraulic actuator 63 is connected to an abutment plate 62, which abutment plate 62 abuts the surface of the closing plate 553 through the locking ring 61. The side wall of the abutting plate 62 facing the closing plate 553 is provided with a guide slope 621 to facilitate pressing the closing plate 553 such that the closing plate 553 is fitted into the seating groove 521.

The embodiment of the application also discloses a river ecological environment recovery method. The riverway ecological environment restoration method comprises the following steps:

s100, selecting a dry period to temporarily seal the river channel 1 section by section, blocking and building the temporary seal, namely a temporary dam, in the river channel 1 at intervals, and emptying river water in the river channel 1 at one closed end. And (3) pouring a water retaining dam 5 in the closed river channel 1, and temporarily draining water by using a water pump.

S200, pouring concrete retaining walls 33 and blocking concrete blocks 21 on two sides of the river channel 1;

s300, digging out sludge at the bottom of the river channel 1, and uniformly paving the sludge between the concrete retaining wall 33 and the blocking concrete block 21 to form a sludge layer 22;

s400, cultivating green plants, and paving a rubble layer 23 and coarse stones 24 on the sludge layer 22 and reinforcing; the method specifically comprises the following steps:

s410, planting a tree 31 on the buffer zone 3, paving water seepage bricks 32 around the tree 31, and paving the water seepage bricks 32 around the tree 31 to form planting holes 321 for the growth of the tree 31;

s420, embedding an accommodating bag 221 in the sludge layer 22, and embedding an accommodating bag 221 with emergent aquatic plants on one side close to the blocking concrete block 21;

s430, sowing grass seeds on the surface of the sludge layer 22, forming a vegetation layer 220 after the grass seeds germinate, and then paving a gravel layer 23 and coarse stones 24; and the number of the first and second groups,

s440, covering the surface of the coarse stone block 24 with a blocking net 25, so that the coarse stone block is embedded in meshes of the blocking net 25; aligning the fixing ring 251 of the arresting net 25 with the fixing hole 2511 of the concrete retaining wall 33 or the block concrete 21;

s450, inserting the fixing rod 262 into the fixing hole 2511, inserting the abutting rod 27 into the fixing rod 262, and abutting the fixing block 263 out of the fixing rod 262 through the abutting rod 27, so that the fixing block 262 can abut against the surface of the concrete retaining wall 33 or the blocking concrete block 21;

s460, inserting the stopper 282 into the retaining ring 281, and at this time, the toggle block 283 abuts against the sidewall of the retaining ring 281, so as to prevent the toggle block 283 from coming off the retaining ring 281, thereby locking the abutting rod 27.

S500, a small amount of river water is put into the river channel 1 until plants germinate; and (3) after the water retaining dam 5 is shaped, temporarily closing the river channel 1, namely dismantling the temporary dam, and continuing construction treatment at the next section of the river channel 1.

S600, regularly cleaning and paving sludge on a bank slope 2:

after the whole river channel 1 is completely treated, controlling by the drainage gate 51 and the water containing bag 55 on the retaining dam 5 at intervals, dredging one side of the river channel 1, keeping the river channel 1 on the other side to pass, and after the dredging is completed, rotating until the whole river channel 1 is completely dredged.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A riverway environment restoration structure comprises a riverway (1), bank slopes (2) positioned on two sides of the riverway (1) and a buffer zone (3) positioned on one side of the bank slopes (2) far away from the riverway (1); the method is characterized in that: arbor (31) is planted on the surface of the buffer zone (3), and water seepage bricks (32) are laid on the surface of the buffer zone (3) between the arbor (31); the bank slope is characterized in that a blocking concrete block (21) is arranged on one side, attached to the river channel (1), of the bank slope (2), a concrete retaining wall (33) is arranged on one side, attached to the buffer zone (3), of the bank slope (2), a silt layer (22) is arranged between the concrete retaining wall (33) and the blocking concrete block (21), a gravel layer (23) is arranged on the surface of the silt layer (22), a vegetation layer (220) is arranged between the silt layer (22) and the gravel layer (23), coarse stones (24) are arranged on the surface of the gravel layer (23), a water-soluble containing bag (221) is embedded in the silt layer (22), and grass seeds and rooting powder are arranged in the containing bag (221);

the river channel (1) is provided with retaining dams (5) at intervals, water drain gates (51) are arranged at two ends of each retaining dam (5), water guide ports (52) are arranged in the middle of the retaining dams (5) in the length direction, water inlet hoppers (53) are connected to the positions, located on the water guide ports (52), of the retaining dams (5), the water inlet hoppers (53) are connected with water conveying rollers (54) arranged along the depth direction of the river channel (1) through rotary joints (531), and the water inlet hoppers (53) are connected to one ends, close to the bottom wall of the river channel (1), of the water conveying rollers (54); a water outlet (541) is formed in the side wall of the water delivery roller (54), a water containing bag (55) is connected to the water delivery roller (54) and is positioned at the water outlet (541), dovetail blocks (551) are arranged on one side, attached to the bottom wall of the river channel (1), of the water containing bag (55) at intervals, and dovetail grooves (15) for the dovetail blocks (551) to be inserted are formed in the bottom wall of the river channel (1); a closing plate (553) for closing a water guide opening (52) on the next water retaining dam (5) is arranged at one end of the water containing bag (55) far away from the water outlet (541), and water drain valves (552) are respectively arranged at two sides of one end of the water containing bag (55) close to the closing plate (553); the water delivery roller (54) is provided with a driven worm wheel (542), the water blocking dam (5) is provided with a driving motor (56), an output shaft of the driving motor (56) is provided with a driving worm (561) meshed with the driven worm wheel (542), and two sides of the water guide opening (52) are provided with locking assemblies (6) used for fixing a closing plate (553).

2. The riverway environment remediation structure of claim 1, wherein: bank slope (2) are located concrete barricade (33) and block and are provided with between concrete piece (21) and block barrier net (25), it is provided with a plurality of solid fixed rings (251) respectively to block barrier net (25) to be located bank slope (2) both sides, fixed orifices (2511) that correspond quantity with solid fixed ring (251) are all seted up on concrete barricade (33) and the surface that blocks concrete piece (21), gu fixed ring (251) and fixed orifices (2511) are provided with fixed subassembly (26) altogether, fixed subassembly (26) are used for cooperation fixed orifices (2511) to fix solid fixed ring (251) on concrete barricade (33) or block concrete piece (21).

3. The riverway environment repairing structure according to claim 2, wherein: the fixing assembly (26) comprises a fixing rod (262) inserted in the fixing hole (2511), a limiting plate (261) positioned at one end of the fixing rod (262) and a fixing block (263) connected to one end, far away from the limiting plate (261), of the fixing rod (262) in a sliding mode along the radial direction, and a release-preventing piece (2631) for preventing the fixing block (263) from being released from the fixing rod (262) is arranged at one end, inserted in the fixing rod (262), of the fixing block (263); dead lever (262) central point puts and is provided with butt pole (27) with fixed block (263) butt play dead lever (262), the pole (27) that connects one end of limiting plate (261) dorsad is provided with application of force inclined plane (271), the surface of limiting plate (261) is provided with spacing subassembly (28) that are used for restricting the pole (27) position that connects.

4. The riverway environment remediation structure of claim 3, wherein: the limiting assembly (28) comprises a limiting ring (281) arranged on the surface of the limiting plate (261), a limiting block (282) inserted in the limiting ring (281) and a shifting block (283) positioned at one end of the limiting block (282); one end of the fixed rod (262) far away from the limit plate (261) is provided with a reset elastic piece (2621) used for pushing the abutting rod (27) out of the fixed rod (262).

5. The riverway environment remediation structure of claim 4, wherein: the dam (5) is provided with pressing plates (57) for limiting the positions of the closing plates (553) on two sides of the water containing bag (55), the pressing plates (57) are connected with squeezing rollers (572) in a rotating mode, and squeezing driving pieces (571) for driving the squeezing rollers (572) to face the water containing bag (55) are arranged on the pressing plates (57).

6. The riverway environment remediation structure of claim 5, wherein: lead mouth (52) all around and be provided with the embedding groove (521) that supply closing plate (553) to inlay, locking subassembly (6) including set up lock ring (61) in embedding groove (521) one side, slide butt plate (62) of connecting in lock ring (61) and drive butt plate (62) hydraulic drive spare (63) that slide, butt plate (62) are provided with direction inclined plane (621) towards one side of closing plate (553).

7. The riverway environment repairing structure according to claim 6, wherein: an elastic rope (10) is arranged on the blocking concrete block (21), a floating frame (11) is arranged at one end, far away from the blocking concrete block (21), of the elastic rope (10), and aquatic plants are planted in the floating frame (11); an aeration pump (13) for pumping air into water is arranged on one side of the floating frame (11) far away from the bank slope (2); a spraying pump (12) for spraying water in the river channel (1) to the air is arranged on one side of the floating frame (11) close to the bank slope (2); the four corners of the floating frame (11) are provided with pendants (111) for keeping the floating frame (11) stable.

8. A method for restoring river ecological environment in a river environment restoration structure according to claim 7, comprising:

s100, selecting a dry water period to seal the river channel (1) section by section, and discharging water in the river channel (1);

s200, pouring concrete retaining walls (33) and blocking concrete blocks (21) on two sides of the river channel (1);

s300, digging out sludge at the bottom of the river channel (1), and paving the sludge between the concrete retaining wall (33) and the blocking concrete block (21);

s400, cultivating green plants, and paving a rubble layer (23) and coarse stones (24) on the sludge layer (22) and reinforcing;

s500, removing the seal of the river channel (1) and allowing plants to sprout; and (c) a second step of,

s600, regularly cleaning and paving the sludge on the bank slope (2).

9. The river ecological environment restoration method according to claim 8, characterized in that: the cultivation of green plants, the laying of a rubble layer (23) and coarse stones (24) on the sludge layer (22) and the reinforcement comprises the following steps:

s410, planting trees (31) on the buffer zone (3), and paving water permeable bricks (32) around the trees (31);

s420, embedding a containing bag (221) in the sludge layer (22), and embedding the containing bag (221) with emergent aquatic plants at one side close to the blocking concrete block (21);

s430, sowing grass seeds on the surface of the sludge layer (22) to form a vegetation layer (220), and then paving a gravel layer (23) and coarse stones (24);

s440, covering a blocking net (25) on the surface of the coarse stone block (24), and aligning a fixing ring (251) of the blocking net (25) to a concrete retaining wall (33) or a fixing hole (2511) of a blocking concrete block (21);

s450, inserting the fixed rod (262) into the fixed hole (2511), inserting the abutting rod (27) into the fixed rod (262), and abutting the fixed block (263) out of the fixed rod (262); and the number of the first and second groups,

and S460, inserting a limiting block (282) into the limiting ring (281) to lock the abutting rod (27).

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