CN112921894A

CN112921894A - Ecological revetment structure for treating small and medium-sized river channels and revetment method thereof

Info

Publication number: CN112921894A
Application number: CN202110090717.XA
Authority: CN
Inventors: 杜丹强; 乐阳; 向雪枚; 张超
Original assignee: Shaoguan Liyuan Engineering Construction Co ltd
Current assignee: Shaoguan Liyuan Engineering Construction Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-06-08

Abstract

The invention discloses an ecological bank protection structure for medium and small river channel treatment and a bank protection method thereof, wherein the bank protection structure comprises a slope protection plant protection structure, a corridor structure and a riverbed sludge plant protection utilization structure; the invention provides an ecological bank protection structure for treating small and medium-sized river channels and a bank protection method thereof, wherein a firm slope protection grid structure is creatively constructed, so that the water quality of the river channels is naturally and organically purified by using original soil and plant protection while the bank is effectively protected, the ecological environment is protected, in addition, under the action of a plant protection root system of the bank protection, the water and soil erosion loss is effectively prevented, and the protection strength and the stability of the bank are further improved; the invention further creatively utilizes a riverbed sludge plant protection utilization structure, collects sludge through simple modification of a riverbed, extracts the sludge, converts the sludge into organic fertilizer after harmless stirring treatment of water and medicaments, irrigates and fertilizes the plant protection, realizes ecological treatment and utilization of riverway sludge, and realizes ecological sustainable development of riverways.

Description

Ecological revetment structure for treating small and medium-sized river channels and revetment method thereof

Technical Field

The invention relates to the technical field of ecological bank protection of river channels, in particular to a medium and small river channel treatment ecological bank protection structure and a bank protection method thereof.

Background

River regulation plays an important role in water storage, river runoff regulation, groundwater replenishment and regional water balance maintenance, and is a natural sponge for water storage and flood control. The wetland has huge permeability and water storage capacity, can reduce and delay precipitation, reduce and delay flood peaks, reduce flood runoff and has the function of a reservoir.

The wetland in the river regulation engineering is called the kidney of the earth, has strong sewage purification capacity, and is one of the ecosystems with the strongest self-purification capacity in the natural environment. The wetland water flow speed is slow, which is beneficial to sediment settlement; the purification capacity of the same region where various plants and microorganisms grow and live in the wetland is 1.5 times that of the forest. Therefore, the river regulation project can effectively reduce pollutants in water and reduce the pollution to peripheral farmland irrigation and drinking water.

At present, river regulation usually relates to river ecological regulation, the river ecological regulation needs to adhere to a natural principle and adheres to restoration of the natural water ecological system habitat of the river, natural restoration is taken as a main part, artificial restoration is taken as an auxiliary part, and the conditions of the shape, the terrain, the hydrology and the like of the river are fully utilized according to local conditions; the selection and configuration of species are preferably based on native soil species, and a water ecosystem with strong self-maintenance and stability is constructed;

however, the current river channel treatment bank protection structure is stiff, has single function and unsatisfactory ecological bank protection effect, and cannot comprehensively protect the slope from scouring, plant protection and innocent treatment of riverbed sludge, so that the inventor provides the ecological bank protection structure for medium and small river channel treatment and the bank protection method thereof by integrating various factors.

Disclosure of Invention

The invention aims to provide an ecological bank protection structure for treating small and medium-sized river channels and a bank protection method thereof, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a medium and small river channel treatment ecological bank protection structure comprises a bank protection plant protection structure, a corridor structure 3 and a riverbed sludge plant protection utilization structure;

the slope protection plant protection structure comprises a slope protection grid structure and a bank protection plant protection;

the slope protection grid structure comprises a vertical main rib and a transverse supporting rib; the vertical main ribs are embedded in the banks on the two sides of the river channel, the tops of the vertical main ribs extend to the plane of the tops of the revetments, the bottoms of the vertical main ribs extend to the bottom of the river bed, and the vertical main ribs are connected with a plurality of ground anchors along the length direction of the vertical main ribs, and the ground anchors are anchored into the banks of the river channel;

the transverse supporting ribs are embedded in the riverway embankment, two ends of each transverse supporting rib are fixedly connected with the vertical main ribs, and the vertical main ribs and the transverse supporting ribs divide the riverway revetment to form a revetment network structure; planting bank protection plant protection in the grids of the slope protection network structure;

the corridor structure includes shore protection campshed and trip corridor bridge, and the shore protection campshed sets up on the riverbed of embankment side by side, its side butt slope protection network structure.

The corridor bridge is arranged between the bank protection row piles and the bank protection network structure;

the river bed sludge plant protection utilization structure comprises a river bed sludge collection structure and a treatment utilization structure;

the river bed sludge gathering structure comprises a river bed and a river channel;

the riverbed is arranged as a slope surface, and a river ditch is arranged at the slope toe position of the riverbed;

the treatment and utilization mechanism comprises a screw conveyor, a stirring bin and an irrigation channel, a sludge feed inlet at the bottom end of the screw conveyor extends into the river channel, a sludge discharge outlet at the top part of the screw conveyor is butted on the stirring bin, a stirring mechanism is arranged in the stirring bin,

the irrigation channel comprises an irrigation main channel and irrigation branch channels, the irrigation main channel penetrates through the slope protection network structure, a plurality of irrigation branch channels are distributed on the upper side and the lower side of the irrigation main channel and communicated with the irrigation main channel, and the irrigation main channel and the irrigation branch channels form a silt fertilization pipe network for protecting the bank protection plant in the slope protection network structure;

the stirring storehouse side bottom is through irrigating pipe connection irrigation channel, installs the silt pump on the irrigation pipe, will stir the interior silt of handling of storehouse and carry to silt fertilization official network, and the silt overflow dispersion in the silt fertilization official network is to the bank protection plant protection region of bank protection network structure under the effect of gravity, carries out silt organic fertilization to the bank protection plant protection.

As a further scheme of the invention: the bank protection row piles and the bank piles adopt precast piles and are pressed into corresponding positions;

as a further scheme of the invention: the vertical main rib is a reinforced concrete rib beam and corresponds to the irrigation channel

An irrigation culvert is arranged, and an irrigation channel smoothly penetrates through the slope protection network structure;

as a further scheme of the invention: the transverse supporting ribs are reinforced concrete rib beams, irrigation culverts are arranged on the transverse supporting ribs corresponding to the irrigation channels, and the irrigation channels smoothly penetrate through the slope protection network structure;

as a further scheme of the invention: the ground anchor adopts an anchor rod, the anchor rod is obliquely anchored into the embankment, and the included angle between the anchor rod and the vertical line is 30-60 degrees.

As a further scheme of the invention: the slope direction of the riverbed and the river channel are alternately arranged along the length direction of the riverbed, and the processing and utilizing mechanisms are alternately arranged at the two sides of the riverway and matched with the riverbed and the river channel; the sludge on the two sides of the river channel is developed in a balanced manner by utilizing fertilization;

as a further scheme of the invention: the top of each bank protection row pile is connected with the vertical main rib through a steel chain; the bank protection row piles are connected through steel chains;

as a further scheme of the invention: the top plane of the embankment is provided with embankment piles corresponding to the end parts of the vertical main ribs, and the vertical main ribs are connected with the embankment piles;

as a further scheme of the invention: the bank protection piling machine is characterized in that an automatic tuck net mechanism is installed on the bank protection piling, and comprises a tuck net frame, an interception tuck net and a tuck net driving mechanism; one end of the net bag frame is hinged at the top of the bank protection row pile, the other end extends to the middle part of the river channel, the intercepting net bag is arranged on the net bag frame,

the net bag driving mechanisms are respectively arranged on the bank protection piling bars at the two sides of the upstream and the downstream of the net bag frame, each net bag driving mechanism comprises a machine cabin, a winch and a steel wire rope, the machine cabin is fixedly arranged on the corresponding bank protection piling bars, the winch is arranged in the machine cabin, one end of the steel wire rope is fixedly wound on the winch, and the other end of the steel wire rope is connected with the free end of the net bag frame;

the net bag frame and the intercepting net bag keep balance under the tension of the upstream and downstream steel wire ropes, the net bag frame and the intercepting net bag are perpendicular to the water flow direction of a river channel, the floating sundries on the water surface of the river channel are intercepted, the sundries needing to be cleaned of the intercepting net bag or the containing net bag frame guarantee that the river channel is navigated, the upstream steel wire ropes are unreeled, the downstream steel wire ropes can be collected to contain the net bag frame and the intercepting net bag on the side edge of a downstream embankment, for a river section with navigation requirements, the upstream and downstream winches are controlled regularly, in the navigation state, the upstream and downstream winches can operate to keep the net bag frame and the net bag in the containing state, and in the navigation requirement state, the intercepting state is recovered.

A bank protection method for treating ecology in small and medium-sized river channels comprises the following specific steps;

s1, clearing the surface of the two sides of the bank, and building a temporary construction road;

s2, reforming a riverbed to construct a riverbed sludge gathering structure;

s3, arranging bank protection row piles and bank piles;

s4, laying slope protection network structures on two sides of the river bank, and reserving an upper channel and a lower channel of the bank;

s5, laying irrigation channels in the slope protection network structure;

s6, installing a screw conveyor and a stirring bin, communicating an irrigation channel, and performing irrigation debugging operation;

s7, erecting a corridor structure, building a permanent upper and lower channel of a bank, and installing a river floating object intercepting facility;

s8, planting and protecting the bank;

as a further technical scheme of the invention: s2, reforming the riverbed, and constructing a riverbed sludge collection structure comprises the following specific steps:

s201, surveying and detecting the landform of the riverbed, and determining a riverbed reconstruction scheme;

s202, reforming a riverbed by using an excavator, and excavating a ditch;

as a further technical scheme of the invention: in the step S3, the bank protection row piles and the bank piles adopt precast piles which are pressed into corresponding positions

As a further technical scheme of the invention: s4, the method for laying slope protection network structures on two sides of the river bank comprises the following specific steps:

s401, excavating a groove according to a slope protection grid structure;

s402, performing ground anchor construction;

and S403, binding reinforcing steel bar supporting molds of the vertical main ribs and the transverse supporting ribs, and performing reinforced concrete construction of the vertical main ribs and the transverse supporting ribs.

As a further technical scheme of the invention: s5, arranging irrigation channels in the slope protection network structure, comprising the following steps: s501, excavating irrigation trenches in a slope protection network structure according to irrigation channels;

s502, hardening cement in the irrigation groove to form an irrigation channel, wherein overflow irrigation holes are distributed in the irrigation channel along the length direction of the irrigation channel;

as a further technical scheme of the invention: s6, installing a screw conveyer and a stirring bin, comprising the following steps:

s601, installing a screw conveyor and a stirring bin along a river levee, wherein a sludge feeding hole at the bottom end of the screw conveyor extends into a river ditch, a sludge discharging hole at the top is butted on the stirring bin,

s602, a stirring mechanism is arranged in the stirring bin, an irrigation conduit is arranged at the bottom of the stirring bin, and the sludge pump is connected with an irrigation channel.

And S603, irrigation debugging and running.

As a further technical scheme of the invention: s7, erecting a corridor structure, building a permanent upper and lower channel of a bank, and installing a river floating object intercepting facility; the method comprises the following specific steps:

s701, erecting a corridor structure between the bank protection row piles and the bank protection network structure;

s702, installing river floating object intercepting facilities on the bank protection row piles, and debugging and operating;

s703, building a permanent up-down channel between the top surface of the embankment and the corridor structure;

as a further technical scheme of the invention: s8, planting and protecting the bank, which comprises the following steps:

s801, surveying the trend of a river channel, considering factors of bank illumination and hydrological change rule, and determining a planting scheme of bank protection plant protection in a bank protection network structure;

s802, planting and protecting the bank according to the planting scheme.

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

1. the invention provides an ecological bank protection structure for treating a medium and small river channel and a bank protection method thereof, the invention creatively constructs a firm slope protection grid structure and plants bank protection in the slope protection grid structure, the slope protection grid structure is embedded in bank protection soil and is embedded and fixed through an anchor rod, and the cooperation of bank piles and bank protection row piles is matched, so that the bank protection strength and the stability are greatly improved, the water quality of the river channel is naturally and organically purified by utilizing the original soil and plant protection while the bank is effectively protected, the ecological environment is protected, in addition, under the action of a bank protection plant protection root system, the water and soil erosion loss is effectively prevented, and the bank protection strength and the stability are further improved.

2. The invention further creatively utilizes a riverbed sludge plant protection utilization structure, collects sludge through simple modification of a riverbed, extracts the sludge, converts the sludge into organic fertilizer after harmless stirring treatment of water and medicament, irrigates and fertilizes the plant protection, realizes ecological treatment and utilization of the riverway sludge, and realizes ecological sustainable development of the riverway.

3. The invention further creatively designs irrigation ditches in the slope protection network structure, has simple structure and convenient construction, is beneficial to the contact of sludge organic fertilizer with air and the fermentation and decomposition of sunlight, and improves the conversion effect of the organic fertilizer;

4. the invention further designs a corridor structure in a matching way, and improves the ornamental value of the river channel while being beneficial to protecting the bank by matching with the bank protection row pile water-approaching design.

5. The invention further designs an automatic net bag mechanism which is used for intercepting the floating objects in the river channel in a matching way; the river ecological management is facilitated, possible navigation requirements are effectively considered, and the river ecological management system is simple and reliable in structure and convenient to use.

Drawings

Fig. 1 is a cross-sectional view of an ecological revetment structure for medium and small river regulation.

Fig. 2 is a plan view of an ecological revetment structure for medium and small river regulation.

Fig. 3 is a partially enlarged right side view of fig. 1.

Fig. 4 is a partially enlarged left side view of fig. 1.

Fig. 5 is a schematic diagram of a mixing bin, a mixing mechanism and a screw conveyer in a medium and small river regulation ecological bank protection structure.

Fig. 6 is a partially enlarged left side view of fig. 2.

Fig. 7 is a top view of a slope protection network structure in a medium and small river regulation ecological bank protection structure.

Fig. 8 is another position cross-sectional view of a medium and small river regulation ecological revetment structure.

Fig. 9 is a schematic structural diagram of an automatic net bag mechanism in an ecological bank protection structure for medium and small river regulation.

Fig. 10 is a top view of an automatic tuck net mechanism in an ecological bank protection structure for medium and small river regulation.

Fig. 11 is a front view of an automatic net bag mechanism in an ecological bank protection structure for medium and small river regulation.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-11, a medium and small river regulation ecological bank protection structure includes a slope protection plant protection structure, a corridor structure 3 and a riverbed sludge plant protection utilization structure 4;

the slope protection plant protection structure comprises a slope protection grid structure 1 and a bank protection plant protection 2;

the slope protection grid structure 1 comprises a bank pile 11, a vertical main rib 12 and a transverse supporting rib 14; the embankment piles 11 are uniformly distributed on the plane of the top of the embankment 100; the vertical main ribs 12 are embedded in the banks 100 on the two sides of the river, the tops of the vertical main ribs extend to the top plane of the banks 100, the bottoms of the vertical main ribs extend to the bottom of the river bed 200, the vertical main ribs 12 are connected with a plurality of ground anchors 13 along the length direction of the vertical main ribs, and the ground anchors 13 are anchored into the river banks 100; the vertical main ribs 12 are connected with the embankment piles 11;

the transverse supporting ribs 14 are embedded in the riverway bank 100, two ends of each transverse supporting rib 14 are fixedly connected with the vertical main ribs 12, and the riverway revetment is divided by the vertical main ribs 12 and the transverse supporting ribs 14 to form a revetment network structure; planting bank protection plant protection 2 in the grids of the bank protection network structure;

the corridor structure 3 comprises a bank protection row pile 32 and a corridor bridge 31, the bank protection row pile 32 is arranged on the riverbed 200 at the side of the bank 100 side by side, the pile top of the bank protection row pile 32 extends out of the riverway normal water level 300, and the side of the bank protection row pile abuts against the slope protection network structure 1.

The corridor bridge 31 is erected between the revetment piling bar 32 and the revetment network structure 1; the corridor bridge 31 is located 30cm above the riverway normal water level 300.

The river bed sludge plant protection utilization structure comprises a river bed sludge collection structure and a treatment utilization structure 4;

the riverbed sludge collection structure comprises a sloping riverbed 201 and a ditch 202;

the sloping surface riverbed 201 is arranged as a sloping surface, and the river channel 202 is arranged at the position of the slope foot of the sloping surface riverbed 201;

handle and utilize mechanism 4 to include screw conveyer 41, stirring storehouse 42 and irrigation channel, in screw conveyer 41 bottom silt feed inlet 411 stretched into ditch 202, the silt discharge gate 410 butt joint at top was equipped with rabbling mechanism 43 on stirring storehouse 42, carries out innocent treatment through adding water and medicament to silt, converts into the liquid fertilizer that can flow.

The irrigation channel comprises an irrigation main channel 46 and an irrigation branch channel 47, the irrigation main channel 46 penetrates through the slope protection network structure 1, a plurality of irrigation branch channels 47 are distributed on the upper side and the lower side of the irrigation main channel 46 and communicated with the irrigation main channel 46, and the irrigation main channel 46 and the irrigation branch channels 47 form a sludge fertilization pipe network of the bank protection plant protection 2 in the slope protection network structure 1;

the side bottom of the stirring bin 42 is connected with an irrigation channel through an irrigation conduit 45, a sludge pump 44 is installed on the irrigation conduit 45, treated sludge in the stirring bin 42 is conveyed to a sludge fertilization official network, sludge in the sludge fertilization official network overflows and disperses to a bank protection plant protection area of the slope protection network structure 1 under the action of gravity, and sludge organic fertilization is carried out on the bank protection plant protection 2.

The bank protection row piles 32 and the bank piles 11 adopt precast piles and are pressed into corresponding positions;

the vertical main ribs 12 are reinforced concrete rib beams, irrigation culverts 461 are arranged on the vertical main ribs 12 corresponding to irrigation channels, and the irrigation channels smoothly penetrate through the slope protection network structure 1;

the transverse supporting ribs 14 are reinforced concrete rib beams, irrigation culverts (not shown in the figure) are arranged on the transverse supporting ribs 14 corresponding to the irrigation channels, and the irrigation channels smoothly penetrate through the slope protection network structure;

the ground anchor 13 is an anchor rod which is obliquely anchored into the bank, and the included angle between the anchor rod and the vertical line is 30-60 degrees.

The slope direction of the sloping riverbed 201 and the river channel 202 are alternately arranged along the length direction of the riverbed 200, and the treatment utilization mechanisms 4 are alternately arranged at the two sides of the riverway and are matched with the riverbed and the river channel; the sludge on the two sides of the river channel is developed in a balanced manner by utilizing fertilization;

the tops of the bank protection piles 32 are connected with the vertical main ribs 12 through steel chains 33; the bank protection row piles 32 are connected through steel chains 33;

the bank protection row piles 32 are provided with automatic tuck net mechanisms 5, and each automatic tuck net mechanism 5 comprises a tuck net frame 51, an intercepting tuck net 52 and a tuck net driving mechanism; one end of the net-pocket frame 51 is hinged to the top of the bank protection row pile 32 through a connecting frame 53, the other end of the net-pocket frame extends to the middle of a river channel, and the intercepting net 52 pocket is installed on the net-pocket frame 51;

the connecting frame 53 is sleeved on the shore protection row pile 32 through an upper hoop 54 and a lower hoop 54, the outer end of each hoop 54 is limited and fixed through a limiting bolt 55, and a limiting flange 56 is arranged on the shore protection row pile 32 corresponding to the bottom end of the connecting frame 53 and used for limiting the downward sliding of the net pocket frame 51;

the two sets of the net bag driving mechanisms 5 are respectively arranged on the bank protection row piles 32 on the upstream and downstream sides of the net bag frame 51, each net bag driving mechanism comprises a cabin 57, a winch 58 and a steel wire rope 59, the cabins 57 are fixedly arranged on the corresponding bank protection row piles 32, the winches 58 are arranged in the cabins 57, one end of each steel wire rope 59 is fixedly wound on the corresponding winch 58, and the other end of each steel wire rope 59 is connected with the free end of the net bag frame 51;

the net bag frame 51 and the intercepting net bag 52 are kept balanced under the tension of the upstream and downstream steel wire ropes 59 and are perpendicular to the water flow direction of the river channel, the sundries floating on the water surface of the river channel are intercepted, when the sundries of the intercepting net bag 52 need to be cleaned or the net bag frame 51 is stored to guarantee the river channel to be navigated, the upstream steel wire ropes 59 are unreeled, the downstream steel wire ropes 59 are reeled, the net bag frame 51 and the intercepting net bag 52 can be stored on the side of the downstream embankment 100, for the river section with navigation requirements, the upstream and downstream winches are controlled in timing mode, in the daytime navigation state, the upstream and downstream winches 58 act to keep the net bag frame 51 and the intercepting net bag 52 in the storage state, and in the night navigation requirement state, the intercepting state is recovered.

A method for treating ecological bank protection of small and medium-sized river channels comprises the following specific steps;

s2, reforming a riverbed to construct a riverbed sludge gathering structure;

s3, arranging bank protection row piles and bank piles;

s5, laying irrigation channels in the slope protection network structure;

s8, planting and protecting the bank;

s2, reforming the riverbed, and constructing a riverbed sludge gathering structure, wherein the method comprises the following specific steps:

s202, reforming a riverbed by using an excavator, and excavating a ditch;

wherein, in the step S3, the bank protection row piles and the bank piles adopt precast piles which are pressed into corresponding positions

Wherein, S4, laying slope protection network structure on both sides of river bank includes the following steps:

s401, excavating a groove according to a slope protection grid structure;

s402, performing ground anchor construction;

Wherein, S5, lay irrigation channel in slope protection network structure, include the following step: s501, excavating irrigation trenches in a slope protection network structure according to irrigation channels;

wherein, S6, installation screw conveyer and stirring storehouse include following specific step:

And S603, irrigation debugging and running.

S7, erecting a corridor structure, building a permanent embankment upper and lower channel, and installing river floating object intercepting facilities; the method comprises the following specific steps:

wherein, S8, planting shore protection plant protection include following specific step:

s802, planting and protecting the bank according to the planting scheme.

The working principle of the invention is as follows: the invention provides an ecological bank protection structure for medium and small river channel treatment and a bank protection method thereof, the invention creatively constructs a firm slope protection grid structure and plants bank protection in the slope protection grid structure, the slope protection grid structure is embedded in bank protection soil and is embedded and fixed through an anchor rod, and the cooperation of bank piles and bank protection row piles is matched, so that the bank protection strength and the stability are greatly improved, the water quality of the river channel is naturally and organically purified by utilizing the original soil and plant protection while the bank is effectively protected, the ecological environment is protected, in addition, under the action of a bank protection plant protection root system, the water and soil erosion loss is effectively prevented, and the bank protection strength and the stability are further improved;

the invention further creatively utilizes a riverbed sludge plant protection utilization structure, collects sludge through simple modification of a riverbed, extracts the sludge, converts the sludge into organic fertilizer after harmless stirring treatment of water and medicament, irrigates and fertilizes the plant protection, realizes ecological treatment and utilization of the riverway sludge, and realizes ecological sustainable development of the riverway;

the invention further creatively designs irrigation ditches in the slope protection network structure, has simple structure and convenient construction, is beneficial to the contact of sludge organic fertilizer with air and the fermentation and decomposition of sunlight, and improves the conversion effect of the organic fertilizer;

the invention further designs a corridor structure in a matching way, and improves the ornamental value of the river channel while being beneficial to protecting the bank by matching with the bank protection row pile water-approaching design.

The invention further designs an automatic net bag mechanism which is used for intercepting the floating objects in the river channel in a matching way; the river ecological management is facilitated, possible navigation requirements are effectively considered, and the river ecological management system is simple and reliable in structure and convenient to use.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A medium and small river channel governance ecological bank protection structure is characterized by comprising a bank protection plant protection structure, a corridor structure and a riverbed sludge plant protection utilization structure;

the corridor structure comprises bank protection row piles and a corridor bridge, wherein the bank protection row piles are arranged on a riverbed on the side edge of the bank side in parallel, and the side edge of the bank protection row piles is abutted against the slope protection network structure; the corridor bridge is arranged between the bank protection row piles and the bank protection network structure;

the river bed sludge plant protection utilization structure comprises a river bed sludge collection structure and a treatment utilization structure; the river bed sludge gathering structure comprises a river bed and a river channel; the riverbed is arranged as a slope surface, and a river ditch is arranged at the slope toe position of the riverbed; the treatment and utilization mechanism comprises a screw conveyor, a stirring bin and an irrigation channel, a sludge feed inlet at the bottom end of the screw conveyor extends into a river channel, a sludge discharge outlet at the top is butted on the stirring bin, the stirring bin is internally provided with the stirring mechanism, the irrigation channel comprises an irrigation main channel and an irrigation branch channel, the irrigation main channel penetrates through a slope protection network structure, a plurality of irrigation branch channels are distributed on the upper side and the lower side of the irrigation main channel and communicated with the irrigation main channel, and the irrigation main channel and the irrigation branch channels form a sludge fertilization pipe network for bank protection plant protection in the slope protection network structure;

the bottom of the side edge of the stirring bin is connected with an irrigation channel through an irrigation conduit, and a sludge pump is arranged on the irrigation conduit.

2. The ecological bank protection structure for treating the small and medium-sized river channels according to claim 1, wherein the tops of the bank protection row piles are connected with the vertical main ribs through steel chains; the bank protection row piles are connected through steel chains; and bank piles are arranged on the plane of the top of the bank corresponding to the end parts of the vertical main ribs, and the vertical main ribs are connected with the bank piles.

3. The ecological bank protection structure for governing the small and medium-sized river channels according to claim 2, characterized in that the bank protection row piles and the bank piles are prefabricated piles pressed into corresponding positions.

4. The ecological revetment structure for medium and small river regulation according to claim 1, wherein the vertical main ribs and the transverse ribs are reinforced concrete rib beams, and the vertical main ribs and the transverse ribs are provided with irrigation culverts corresponding to irrigation channels.

5. The ecological bank protection structure for governing the medium and small river channels according to claim 1, characterized in that the ground anchor adopts an anchor rod, the anchor rod is obliquely anchored into the bank, and the included angle between the anchor rod and the vertical line is 30-60 degrees.

6. The ecological revetment structure for treatment of small and medium river channels according to claim 1, wherein the slope direction of the riverbed and the length direction of the riverbed along the riverbed are alternately arranged, and the treatment utilization mechanisms are alternately arranged on both sides of the riverbed and are matched with the riverbed and the riverchannel.

7. The ecological revetment structure for small and medium river channel governance according to claim 1, wherein an automatic tuck net mechanism is mounted on the revetment piling, and comprises a tuck net frame, an intercepting tuck net and a tuck net driving mechanism; one end of the net bag frame is hinged to the top of the bank protection row pile, the other end of the net bag frame extends to the middle of the river channel, and the intercepting net bag is installed on the net bag frame;

the net bag driving mechanisms are respectively arranged on the bank protection piles at the two sides of the upstream and the downstream of the net bag frame, each net bag driving mechanism comprises a machine cabin, a winch and a steel wire rope, the machine cabins are fixedly arranged on the corresponding bank protection piles, the winches are arranged in the machine cabins, one end of each steel wire rope is fixedly wound on the corresponding winch, and the other end of each steel wire rope is connected with the free end of the net bag frame.

8. A method for treating ecological bank protection of small and medium-sized river channels is characterized by comprising the following specific steps;

s2, reforming a riverbed to construct a riverbed sludge gathering structure;

s3, arranging bank protection row piles and bank piles;

s5, laying irrigation channels in the slope protection network structure;

and S8, planting and protecting the bank.

9. The ecological bank protection method for governing the medium and small river channels according to claim 8, wherein the step of S2, the reconstruction of the riverbed and the construction of the riverbed sludge collection structure comprises the following steps: s201, surveying and detecting the landform of the riverbed, and determining a riverbed reconstruction scheme; s202, reforming a riverbed by using an excavator, and excavating a ditch; in the step S3, precast piles are adopted for the bank protection row piles and the bank piles and are pressed into corresponding positions; s4, the method for laying slope protection network structures on two sides of the river bank comprises the following specific steps: s401, excavating a groove according to a slope protection grid structure; s402, performing ground anchor construction; and S403, binding reinforcing steel bar supporting molds of the vertical main ribs and the transverse supporting ribs, and performing reinforced concrete construction of the vertical main ribs and the transverse supporting ribs.

10. The ecological bank protection method for governing the medium and small river channels according to claim 9, wherein the step of laying irrigation channels in the network structure of the slope protection S5 comprises the steps of: s501, excavating irrigation trenches in a slope protection network structure according to irrigation channels; s502, hardening cement in the irrigation groove to form an irrigation channel, wherein overflow irrigation holes are distributed in the irrigation channel along the length direction of the irrigation channel; s6, installing a screw conveyer and a stirring bin, comprising the following steps: s601, installing a screw conveyor and a stirring bin along a river levee, wherein a sludge feeding hole at the bottom end of the screw conveyor extends into a river ditch, a sludge discharging hole at the top of the screw conveyor is butted on the stirring bin, and S602, an stirring mechanism is installed in the stirring bin, an irrigation conduit is installed at the bottom of the stirring bin, and a sludge pump is connected with an irrigation channel; s603, irrigation debugging and running; s7, erecting a corridor structure, building a permanent upper and lower channel of a bank, and installing a river floating object intercepting facility; the method comprises the following specific steps: s701, erecting a corridor structure between the bank protection row piles and the bank protection network structure; s702, installing river floating object intercepting facilities on the bank protection row piles, and debugging and operating; s703, building a permanent up-down channel between the top surface of the embankment and the corridor structure; s8, planting and protecting the bank, which comprises the following steps: s801, surveying the trend of a river channel, considering factors of bank illumination and hydrological change rule, and determining a planting scheme of bank protection plant protection in a bank protection network structure; s802, planting and protecting the bank according to the planting scheme.