CN215049082U

CN215049082U - Wetland system for separating multi-sludge riverway

Info

Publication number: CN215049082U
Application number: CN202121810522.XU
Authority: CN
Inventors: 杜建强; 张瑛; 黄国动; 邢蓓燕
Original assignee: Suzhou Dehua Ecological Technology Corp
Current assignee: Suzhou Dehua Ecological Technology Corp
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2021-12-07
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a wetland system for separating a multi-sludge riverway, which comprises a sludge-settling wetland arranged at the riverbank, a sludge drying bed and an ecological facility, wherein the sludge drying bed and the ecological facility are respectively connected with the sludge-settling wetland; river water in the river channel flows into a sludge settling area, the sludge is discharged into a sludge drying bed, the river water flows into a purification area, is filtered by the purification area, flows into ecological facilities and is finally discharged; the method is characterized in that the sludge-settling wetland, the sludge drying bed and the ecological facility are arranged and treated by an ecological river dredging means, so that the formation of river bottom sludge can be controlled from the source, and the frequency of mechanical dredging operation on river and lake water bodies is effectively reduced.

Description

Wetland system for separating multi-sludge riverway

Technical Field

The utility model belongs to the technical field of environmental protection engineering and water treatment, a wetland system for separating many silt river courses is related to.

Background

Due to the reduction of vegetation, the soil loss of rivers is serious, so that a large amount of sludge exists in the riverways, and the river beds of the rivers are easily lifted without being cleaned for a long time, so that the flow of the rivers is reduced, and even the damages of flood and the like caused by the rivers are blocked.

The existing dredging modes of the river channel are mainly divided into three modes of dry water operation, water carrying operation and environment-friendly dredging. In the dry water operation, the river water body needs to be drained, an excavator is adopted for excavation, and the excavated sludge is directly transported outwards or temporarily stacked at the periphery of the river; the hydraulic flushing adopts a high-pressure water gun to flush the sediment, the sediment is disturbed into flowing slurry, and the flowing slurry is transported to a piling area by a mud suction pump and a pipeline. The dredging machine is generally arranged on a ship in water carrying operation, the dredging ship is used as a construction platform to operate dredging equipment on the ship, sludge is excavated and is conveyed to a shore yard through a pipeline conveying system, and the dredging mode is mainly realized through grab bucket type, common cutter suction type, bucket wheel type and chain bucket type machines. The environmental-friendly dredging mainly adopts a water-carrying machine operation mode with high dredging precision and secondary pollution requirements, and the most common environmental-friendly dredging mode at present is environmental-friendly cutter suction type dredging. The dredging mode is mainly realized through frequent regular operation of mechanical equipment, the working efficiency is low, and the equipment allocation and transportation cost is high.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a wetland system for separating a multi-sludge riverway, which comprises a sludge-settling wetland arranged at the riverside, a sludge drying bed and an ecological facility, wherein the sludge drying bed and the ecological facility are respectively connected with the sludge-settling wetland; river water in the river channel flows into the sludge settling area, sludge is discharged into the sludge drying bed, water flows into the purification area, is filtered by the purification area, flows into the ecological facility and is finally discharged.

More specifically, a permeable layer capable of intercepting sludge is arranged between the sludge settling area and the purification area.

Further specifically, the purification area bottom is higher than sediment district bottom, the purification area top is flushed with sediment district top.

More specifically, the bottom of the purification zone is higher than 1/3 of the sludge settling zone.

Further specifically, the ecological facility is including following supreme drainage layer filter material, the processing layer filter material that sets gradually, the water inlet layer filter material of following, the bottom of ecological facility reaches all around and all is provided with the isolation layer that prevents the river exosmosis.

More specifically, a third-stage water inlet pipe is arranged on the water inlet layer filtering material, and the top of the third-stage water inlet pipe is higher than or equal to the upper surface of the water inlet layer filtering material; the lower part of the drainage layer filter material is provided with a second-stage water outlet pipe, and one end of the second-stage water outlet pipe is communicated with a vent pipe.

More specifically, an overflow pipe is arranged at the upper part of the water inlet layer filter material, and the bottom of the overflow pipe is higher than the upper surface of the water inlet layer filter material.

Further specifically, a first-stage water outlet pipe is arranged between the purification area and the ecological facility, and a second-stage water inlet gate well and a flow meter are arranged on the first-stage water outlet pipe.

It is further specific set up one-level inlet gate well between river course and the desilting district set up the one-level inlet tube between river course and the one-level inlet gate well set up the second grade inlet tube between one-level inlet gate well and the desilting district the delivery port department of second grade inlet tube sets up the device that blocks water.

Further specifically, the water blocking device comprises a fixing rod arranged on the secondary water inlet pipe and a pipe cap arranged on the fixing rod, and the surface area of the pipe cap is larger than or equal to the pipe diameter of the secondary water inlet pipe.

The utility model relates to a wetland system for separating many silt river courses can realize following technological effect: the method is characterized in that the sludge settling wetland, the sludge drying bed and the ecological facility are arranged, and the treatment is carried out by an ecological river channel dredging means, so that the formation of river bottom sludge can be controlled from the source, the frequency of mechanical dredging operation on river and lake water bodies is effectively reduced, and the method can be used for river and lake areas of sludge and urban river systems with low fluidity.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention;

fig. 3 is a schematic structural view of the mud-depositing wetland of the present invention.

In the figure: 1. settling the mud wetland; 11. a mud settling area; 12. a purification zone; 13. a water permeable layer; 2. a sludge drying bed; 21. a mud pipe; 3. an ecological wetland filter bed; 31. a drainage layer filter material; 32. processing the filter material of the layer; 33. filtering the water inlet layer; 34. an isolation layer; 35. a third-stage water inlet pipe; 36. a breather pipe; 37. a secondary water outlet pipe; 38. an overflow pipe; 39. a water outlet gate well; 4. a river channel; 41. a first-stage water inlet pipe; 42. a second-stage water inlet pipe; 43. a first level inlet gate well; 51. a primary water outlet pipe; 52. a secondary water inlet gate well; 53. a flow meter; 6. a water blocking device; 61. a fixing rod, 62 and a pipe cap.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

A wetland system for separating a multi-sludge river channel is disclosed, as shown in figures 1, 2 and 3, and comprises a sludge-settling wetland 1 arranged at the river bank, a sludge drying bed 2 and an ecological facility, wherein the sludge drying bed 2 and the ecological facility are respectively connected with the sludge-settling wetland 1, the sludge-settling wetland 1 comprises a sludge settling area 11 and a purifying area 12, the sludge drying bed 2 is communicated with the sludge settling area 11, and the ecological facility is communicated with the purifying area 12; river water in the river channel 4 flows into a sludge settling area 11, is precipitated and separated in the sludge settling area 11, is finally discharged into a sludge drying bed 2, is treated by the sludge drying bed 2 and is discharged, water precipitated and filtered in the sludge settling area 11 flows into a purifying area 12, is filtered by the purifying area 12, flows into an ecological facility and is finally discharged after being filtered by the ecological facility; the method is characterized in that the sludge-settling wetland 1, the sludge drying bed 2 and the ecological facility are arranged and treated by an ecological river dredging means, so that the formation of river bottom sludge can be controlled from the source, the frequency of mechanical dredging work on river and lake water bodies is effectively reduced, and the method can be used for river and lake areas with more sludge and urban river systems with less fluidity.

As shown in fig. 1 and 3, the silt-settling wetland 1 is entirely arranged on a bank of a river, river water in a river channel 4 flows into the silt-settling wetland 1 through a pipeline, one water inlet pipe or a plurality of water inlet pipes can be arranged between the river channel 4 and the silt-settling wetland 1, and the water inlet pipes are arranged according to needs to ensure that the river water in the river channel 4 can completely flow into a silt-settling area 11 of the silt-settling wetland 1; in order to control the flow of the river channel 4 to the sediment wetland 1, a primary water inlet gate well 43 is arranged between the river channel 4 and the sediment wetland 1, the ascending or descending of a gate of the primary water inlet gate well 43 can be operated according to the water quantity in the sediment wetland 1, the flow entering the sediment wetland 1 is controlled, and the effect of removing mud from the sediment wetland 1 is ensured; set up one-level inlet tube 41 between river course 4 and the one-level gate well 43 of intaking set up second grade inlet tube 42 between one-level gate well 43 of intaking and the desilting district, river in the river course 4 flows into desilting district 11 through one-level inlet tube 41 and second grade inlet tube 42.

As shown in fig. 1 and 2, a water blocking device 6 is disposed at a water outlet of the secondary water inlet pipe 42, and is capable of blocking water in a region of the mud deposition region 11, the water blocking device 6 includes a fixing rod 61 disposed on the secondary water inlet pipe 42 and a pipe cap 62 disposed on the fixing rod 61, the pipe cap 62 may be in any shape, including circular shape, square shape, etc., and a surface area of the pipe cap 62 is equal to or greater than a pipe diameter of the secondary water inlet pipe 42, and the pipe cap 62 is capable of making incoming water of the secondary water inlet pipe 42 encounter resistance when flowing out, and cannot directly cross the permeable layer 13; the fixing rods 61 are used for fixing the pipe cap 62, the fixing rods 61 can be slender rods, one end of each fixing rod 61 is fixed on the secondary water inlet pipe 42, the other end of each fixing rod 61 is fixed on the pipe cap 62, at least 2 fixing rods 61 are arranged, gaps are reserved among the fixing rods 61, the width of each gap is far larger than that of each fixing rod 61, and river water can smoothly flow out; in order to reduce the impact force on the pipe cap 62, the fixing rod 61 may also be cut on the pipe wall of the secondary water inlet pipe 42, and the pipe cap 62 is fixed at the other end of the pipe wall; the water blocking device 6 can also be arranged into a three-way pipe, a bent pipe and the like, and the protection range of the scheme is that the device which can enable river water to flow into the mud settling zone 11 is met, but compared with the common three-way pipe and the bent pipe, the water blocking device 6 designed in the patent reduces the bent channel of a water outlet pipeline, and water flow can be smoother.

As shown in fig. 1 and 3, the external hard structure of the silt-depositing wetland 1 is in the form of a natural soil pond, and no impermeable material is needed around the silt-depositing wetland; the bottommost position of the sludge settling zone 11 is lower than that of the purification zone 12, the highest position of the sludge settling zone 11 is flush with that of the purification zone 12, and the total height of the sludge settling zone and the purification zone is about one third different; a water permeable layer 13 capable of intercepting river sludge is arranged between the sludge settling zone 11 and the purification zone 12, and the water permeable layer 13 is made of natural or hard materials, such as wooden piles, gabions and the like; by the compact arrangement, most of the sludge can be intercepted in the sludge settling area 11; the river water enters the purifying area 12 after being primarily precipitated in the mud settling area 11; sludge in river water in the sludge settling zone 11 sinks to the bottom, water flows into the purification zone 12 from the water permeable layer 13, a sludge settling pipe 21 is arranged at the bottom of the sludge settling zone 11, the other end of the sludge settling pipe 21 is connected with the sludge drying bed 2, the sludge in the sludge settling zone 11 flows into the sludge drying bed 2 through the sludge settling pipe 21, drying treatment is carried out in the sludge drying bed 2, a sludge pump with strong suction force is arranged on the sludge drying bed 2 for sludge extraction due to large specific gravity of the sludge, and effluent water after the drying treatment of the sludge drying bed 2 flows into the purification zone 12 of the sludge wetland 1 for purification treatment; the purification area 12 is divided into two layers, the upper layer is a fine gravel layer and is mainly used for primarily filtering river water; the bottom is large granule gravel layer, for the water-collecting layer department sets up one-level outlet pipe 51, the one-level outlet pipe 51 other end intercommunication ecological facility to ecological facility is intake.

As shown in fig. 1, the ecological facility is an ecological wetland filter bed 3, the ecological wetland filter bed 3 is a treatment type ecological wetland, the ecological wetland filter bed 3 comprises a drainage layer filter material 31, a treatment layer filter material 32 and a water inlet layer filter material 33 which are sequentially arranged from bottom to top, the ecological wetland filter bed 3 is an upper layer water inlet layer, a lower layer water outlet layer, one end of the ecological wetland filter bed is a water inlet layer, the other end of the ecological wetland filter bed is a water outlet layer, the bottom and the periphery of the ecological wetland filter bed 3 are respectively provided with an isolation layer 34 for preventing river water from seeping out, the isolation layer 34 isolates the ecological wetland filter bed 3 from a natural soil layer, and the isolation layer 34 adopts an impermeable membrane and the like; a third water inlet pipe 35 is arranged on the water inlet layer filtering material 33, and the top of the third water inlet pipe 35 is higher than or equal to the upper surface of the water inlet layer filtering material 33; a secondary water outlet pipe 37 is arranged at the lower part of the drainage layer filtering material 31, and a plurality of water collecting holes are formed in the part, inside the ecological wetland filtering bed 3, of the secondary water outlet pipe 37 and are used for collecting water; one end of the secondary water outlet pipe 37 is communicated with a vent pipe 36, the vent pipe 36 conveys oxygen to the filter bed to ensure the sufficient filtration of river water, a water outlet gate well 39 is arranged on the secondary water outlet pipe 37, and the water outlet gate well 39 can be used for controlling the water level height inside the ecological wetland filter bed 3; an overflow pipe 38 is arranged at the upper part of the water inlet layer filtering material 33, the bottom of the overflow pipe 38 is higher than the upper surface of the water inlet layer filtering material 33, and the overflow pipe is used for discharging when the water level in the wetland rises to a certain height, so that the wetland can be protected.

As shown in fig. 1, in order to ensure that the amount of water flowing from the purification area 12 to the ecological wetland filter bed 3 is controllable, a secondary inlet sluice well 52 is arranged on the primary outlet pipe 51, the ascending or descending of the sluice gate of the secondary inlet sluice well 52 is operated according to the amount of water in the ecological wetland filter bed 3, and when the amount of water is too large or exceeds the treatment load, the sluice gate is closed or lowered to control the amount of water flowing from the purification area 12 to the ecological wetland filter bed 3, so as to protect the wetland; and flowmeters 53 are arranged on the primary water outlet pipe 51 and between the secondary water inlet gate well 52 and the ecological wetland filter bed 3 and are used for measuring and calculating the water inflow amount of the ecological wetland filter bed 3, the flowmeters 53 can be connected with a matched control system, specific measured and calculated values are fed back to the control system, and the control system is used for adjusting the opening and closing degrees of the gates of the primary water inlet gate well 43 and the secondary water inlet gate well 52.

The utility model relates to a wetland system for separating many silt watercourses, can realize following technological effect, set up silt wetland 1, mud drying bed 2 and ecological facility, handle with ecological river dredging means, can control the formation of river bottom silt from the source, effectively reduce the frequency to the mechanical desilting work of river lake water; the primary water inlet gate well 43 and the secondary water inlet gate well 52 are arranged to respectively control water inflow to the silt wetland 1 and the ecological facilities, and the gates can be closed when the water inflow is too large or exceeds the treatment load so as to protect the wetland; the flowmeter 53 is arranged for measuring and calculating the water coming from the ecological facility, so that the sufficient treatment efficiency is ensured.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides a wetland system for separating many silt river courses which characterized in that: the ecological sewage treatment system comprises a sludge-settling wetland (1) arranged on the river bank side, a sludge drying bed (2) and an ecological facility, wherein the sludge drying bed (2) and the ecological facility are respectively connected with the sludge-settling wetland (1), the sludge drying bed (2) is communicated with the sludge-settling zone (11), and the ecological facility is communicated with the purification zone (12); river water in the river channel (4) flows into the sludge settling area (11), sludge is discharged into the sludge drying bed (2), water flows into the purification area (12), and the water is filtered by the purification area (12) to flow into ecological facilities and finally discharged.

2. The wetland system for separating a multi-sludge river according to claim 1, wherein: a permeable layer (13) capable of intercepting sludge is arranged between the sludge settling zone (11) and the purifying zone (12).

3. The wetland system for separating a multi-sludge river according to claim 2, wherein: the bottom of the purification area (12) is higher than the bottom of the sludge settling area (11), and the top of the purification area (12) is flush with the top of the sludge settling area (11).

4. The wetland system for separating a multi-sludge river according to claim 3, wherein: the bottom of the purification area (12) is higher than 1/3 of the sludge settling area (11).

5. The wetland system for separating a multi-sludge river according to claim 1, wherein: ecological facility is including following supreme drainage blanket filter material (31), the processing layer filter material (32) that set gradually, intake layer filter material (33) down, ecological facility's bottom reaches all around and all is provided with isolation layer (34) that prevent the river exosmosis.

6. The wetland system for separating a multi-sludge river according to claim 5, wherein: a third water inlet pipe (35) is arranged on the water inlet layer filtering material (33), and the top of the third water inlet pipe (35) is higher than or equal to the upper surface of the water inlet layer filtering material (33); the lower part of the drainage layer filter material (31) is provided with a secondary water outlet pipe (37), and one end of the secondary water outlet pipe (37) is communicated with a vent pipe (36).

7. The wetland system for separating a multi-sludge river according to claim 6, wherein: an overflow pipe (38) is arranged at the upper part of the water inlet layer filtering material (33), and the bottom of the overflow pipe (38) is higher than the upper surface of the water inlet layer filtering material (33).

8. The wetland system for separating a multi-sludge river according to claim 1, wherein: a primary water outlet pipe (51) is arranged between the purification area (12) and the ecological facility, and a secondary water inlet gate well (52) and a flow meter (53) are arranged on the primary water outlet pipe (51).

9. The wetland system for separating a multi-sludge river according to claim 1, wherein: set up one-level gate shaft (43) of intaking between river course (4) and silt deposit district (11 set up one-level inlet tube (41) between river course (4) and one-level gate shaft (43) of intaking set up second grade inlet tube (42) between one-level gate shaft (43) of intaking and silt deposit district (11) the delivery port department of second grade inlet tube (42) sets up water blocking device (6).

10. The wetland system for separating a multi-sludge river according to claim 9, wherein: the water blocking device (6) comprises a fixing rod (61) arranged on the secondary water inlet pipe (42) and a pipe cap (62) arranged on the fixing rod (61), and the surface area of the pipe cap (62) is larger than or equal to the pipe diameter of the secondary water inlet pipe (42).