CN212741084U

CN212741084U - Ecological device of administering in city river course

Info

Publication number: CN212741084U
Application number: CN202021307214.0U
Authority: CN
Inventors: 张雪辉; 丁磊; 王旭; 冯丽萍
Original assignee: Beijing Beikong Ecological Construction Group Co Ltd
Current assignee: Beijing Beikong Ecological Construction Group Co Ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-19
Anticipated expiration: 2030-07-06

Abstract

The utility model relates to the technical field of river and lake ecological management devices, in particular to an urban river ecological management device, which solves the problem of inconvenient sludge cleaning in a sedimentation tank; comprises a sedimentation tank, an air dissolving tank communicated with the sedimentation tank, an air floating tank communicated with the air dissolving tank, a micro-electrolysis tank communicated with the air floating tank and a biochemical tank communicated with the micro-electrolysis tank; a sludge tank is arranged at the bottom of the sedimentation tank; a sludge outlet communicated with the inside of the sludge tank is arranged on the sedimentation tank; the mud outlet is matched with a cover body; a sludge cleaning component is arranged in the sedimentation tank; the sludge cleaning assembly comprises a support frame arranged above the sludge tank, one end of the support frame extends into the bottom of the sludge tank, the other end of the support frame is rotatably connected with the other end of the bottom of the sludge tank, a driving motor is arranged on the support frame, the output end of the driving motor is coaxially and fixedly connected with the connecting shaft, and a mud scraper is arranged on the connecting shaft, is positioned at one end of the sludge tank and is abutted against the bottom of the sedimentation tank. The utility model has the advantages of more convenient sludge cleaning in the sedimentation tank.

Description

Ecological device of administering in city river course

Technical Field

The utility model belongs to the technical field of the ecological device of administering in river lake and specifically relates to an ecological device of administering in city river course is related to.

Background

At present, water resources are the most precious resources for human beings and the foundation for human beings to live on, but along with the acceleration of the urbanization process and the rapid development of the industry, the pollution of the water resources is more and more serious, especially in the northern area, the northwest area and other areas, the water resource pollution further aggravates the scarcity of the water resources, so the protection of the water resources and the treatment of the water pollution become one of the most concerned problems in the current society; the sewage treatment technology can effectively relieve the problem of water resource shortage by purifying the sewage by a physical biochemical method and then reusing the purified sewage.

The prior Chinese utility model patent with the publication number of CN209010329U discloses an urban river ecological management device, which relates to an urban river ecological management device and comprises a standing section, an air flotation section, an internal electrolysis section and a biochemical plant section which are sequentially arranged along the flowing direction of sewage; the specification discloses that the standing section is a sedimentation tank, water after standing and sedimentation from the standing section enters an internal electrolysis section through an air floatation section and finally enters a biochemical plant section; the urban sewage is purified by combining three parts of standing, air flotation, internal electrolysis and plant biochemistry.

The above prior art solutions have the following drawbacks: when in fact administering city river sewage, because there are the great impurity of granule such as the similar mud of more suspension in the river, before getting into interior electrolysis section through the air supporting section, need subside in the sedimentation tank earlier, impurity such as these mud can subside the bottom of sedimentation tank and pile up in the bottom of sedimentation tank under the effect of natural gravity, through the settlement of a period of time, the accumulational mud impurity's of sedimentation tank bottom volume constantly increases, in order not to influence the function of sedimentation tank, need regularly clear up the mud in the sedimentation tank, traditional clearance method is that the staff holds tools such as spade and sack and gets into the bottom of sedimentation tank, then pile up the compaction and dig down and transport in the mud of sedimentation tank bottom, traditional clearance to the mud in the sedimentation tank is comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a city river course ecological management device has the advantage more convenient to the mud clearance in the sedimentation tank.

The above object of the present invention is achieved by the following technical solutions:

an urban river ecological management device comprises a sedimentation tank, a dissolved air tank communicated with the sedimentation tank, an air flotation tank communicated with the dissolved air tank, a micro-electrolysis tank communicated with the air flotation tank and a biochemical tank communicated with the micro-electrolysis tank; a device for pressurizing and dissolving the gas of the sewage is arranged in the gas dissolving tank; an internal electrolysis filler is added into the micro-electrolysis cell; planting green plants in the biochemical pool; a sludge tank is arranged at the bottom of the sedimentation tank; a sludge outlet communicated with the inside of the sludge tank is arranged on the sedimentation tank; the mud outlet is matched with a cover body; a sludge cleaning component is arranged in the sedimentation tank; the sludge cleaning assembly comprises a support frame arranged above the sludge tank, one end of the support frame extends into the bottom of the sludge tank, the other end of the support frame is rotatably connected with the other end of the bottom of the sludge tank, a driving motor is arranged on the support frame, the output end of the driving motor is coaxially and fixedly connected with the connecting shaft, and a mud scraper is arranged on the connecting shaft, is positioned at one end of the sludge tank and is abutted against the bottom of the sedimentation tank.

By adopting the technical scheme, when the sewage in the river channel is purified and treated, the sewage in the river channel is firstly discharged into a sedimentation tank for sedimentation, and sometimes, in order to improve the sedimentation effect, a proper amount of flocculating agent can be added; the sewage after the sedimentation is finished enters a gas dissolving tank and is mixed and dissolved with high-pressure air in a container tank under the condition of high pressure; high-pressure air is dissolved in a supersaturated manner and is discharged into the air floatation tank, and the sewage in which the air is dissolved in a supersaturated manner generates a large amount of micro bubbles in the air floatation tank to capture suspended matters such as algae in the sewage and rise to the water surface to form floating slag, so that workers can clean the floating slag conveniently; the sewage after air flotation purification enters a micro-electrolysis tank, COD in the water is removed and the chromaticity of the sewage is reduced under the catalytic action of an internal electrolysis filler, the sewage after micro-electrolysis treatment is discharged into a biochemical tank, and the contents of pollutants such as heavy metal, inorganic salt, organic nitrogen and the like in the water are reduced through secondary purification of a plant root system; when the sedimentation tank is used for a period of time, stopping supplying water into the sedimentation tank, then starting a driving motor, driving a connecting shaft to rotate by the driving motor, so as to drive a mud scraping plate to stir in the sedimentation tank, scraping mud at the bottom of the sedimentation tank by the mud scraping plate, then opening a mud outlet, extracting sewage in a river channel by using a high-pressure water gun to wash the sedimentation tank, and flushing the mud into a mud tank and out from the mud outlet; through setting up mud clearance subassembly, make the clearance of mud in the sedimentation tank more convenient.

The present invention may be further configured in a preferred embodiment as: one end of the connecting shaft, which is positioned at the sedimentation tank, is provided with a connecting frame matched with the bottom of the sedimentation tank in shape; the plurality of the mud scraping plates are fan-shaped; the plurality of mud scrapers are arranged on the connecting frame and are distributed along the length direction of the connecting frame; one side that a plurality of mud scrapers and sedimentation tank bottom butt when the mud scraper slope sets up and rotates covers the whole bottom surface of sedimentation tank.

Through adopting above-mentioned technical scheme, fan-shaped mud scraper can reduce the area of contact of mud scraper when rotating with mud to reduce the resistance that the mud scraper meets when rotating, it is more smooth when making the rotation of mud scraper.

The present invention may be further configured in a preferred embodiment as: a scraping plate is arranged at one end of the connecting frame, which is far away from the connecting shaft; one side of the scraping plate is abutted against the inner side wall of the sedimentation tank.

Through adopting above-mentioned technical scheme, the scraper scrapes the lateral wall of sedimentation tank along with the link rotates when scraping the mud of sedimentation tank bottom, scrapes the wall board to scrape down the mud on the internal lateral wall of sedimentation tank, thereby makes the clearance of mud more thorough in the sedimentation tank.

The present invention may be further configured in a preferred embodiment as: the bottom surface of the sedimentation tank is funnel-shaped; the sludge tank is arranged at the lowest point of the bottom of the sedimentation tank.

Through adopting above-mentioned technical scheme, the bottom surface is that the sedimentation tank that leaks hopper-shaped has the enrichment effect to mud, and the convenient mud of scraping flows to the sludge impoundment to make things convenient for the clearance of mud.

The present invention may be further configured in a preferred embodiment as: an installation groove is formed in the support frame corresponding to the sludge port; a bearing is embedded in the mounting groove; and one end of the connecting shaft, which is far away from the sedimentation tank, penetrates through the bearing inner ring and is fixedly connected with the bearing inner ring.

Through adopting above-mentioned technical scheme, through setting up the bearing, make the rotation of connecting axle more smooth.

The present invention may be further configured in a preferred embodiment as: mounting seats are arranged on two sides of the sedimentation tank corresponding to two ends of the support frame; the support frame is in sliding fit with the mounting seat; a hydraulic cylinder is arranged on the mounting seat; the output end of the hydraulic cylinder is fixedly connected with the support frame; an elastic part is arranged between the connecting frame and the mud scraping plate; the mud scraping plate is elastically abutted with the bottom surface of the sedimentation tank.

By adopting the technical scheme, when the motor is hard to start due to hardening of sludge in the sedimentation tank, the hydraulic cylinders at the two ends of the support frame can be started, the support frame is driven to move upwards under the action of the hydraulic cylinders, the connecting frame and the mud scraper are driven to move upwards when the support frame moves upwards, and the mud scraper is pulled out of the sludge; open the position of driving motor adjustment mud scraper, close driving motor, then the drive pneumatic cylinder moves down, link and mud scraper move down, the mud scraper supports on the mud of sedimentation tank bottom, because hardened sludge hardness is higher, during the mud scraper is difficult to insert mud, the mud scraper supports tightly with mud elasticity, then open the motor, the mud scraper hangs hardened mud one deck, along with the reduction of mud thickness, the mud scraper supports tightly with mud all the time to the convenient mud that hardens in to the sedimentation tank clears up.

The present invention may be further configured in a preferred embodiment as: the elastic part comprises a connecting rod which is arranged in the mounting hole in a penetrating way and one end of the connecting rod is fixedly connected with the mud scraping plate, a limiting ring which is arranged on one side of the connecting rod close to the mud scraping plate, and a pressure spring which is sleeved on the connecting rod and two ends of the pressure spring are respectively abutted against the limiting ring and the connecting frame; the connecting rod is in sliding fit with the mounting hole; a threaded end is arranged at one end of the connecting rod, which is far away from the mud scraper; the threaded end is screwed with a limit check ring with the outer diameter larger than the mounting hole.

Through adopting above-mentioned technical scheme, move down when supporting tightly with the mud that hardens when the mud scraping plate, because the mud hardness that hardens is higher, the mud scraping plate is difficult to insert in the mud, the connecting rod upwards slides in the mounting hole this moment, drive the mud scraping plate and shift up, the pressure spring shrink, it supports tightly with mud to scrape the mud sword, open the motor, the mud scraping plate hangs hardened mud one deck, along with the reduction of mud thickness, pressure spring drive connecting rod and mud scraping plate move down, the mud scraping plate supports tightly until mud is cleared up with mud all the time, conveniently clear up the mud that hardens in the sedimentation tank.

The present invention may be further configured in a preferred embodiment as: a positioning ring is fixedly connected to the connecting shaft below the supporting frame; a positioning line is arranged on the positioning ring; one end of the positioning line is fixedly connected with the positioning ring, and the other end of the positioning line is fixedly connected with one end of the connecting frame, which is far away from the connecting shaft; the positioning wire is tensioned and straightened between the positioning ring and the connecting frame.

Through adopting above-mentioned technical scheme, when the connecting axle drives link and mud scraper and rotates, form the triangle-shaped structure between location line, connecting axle and the link, triangle-shaped's stability is better to the stability of clearance subassembly when rotating has been improved.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the sludge cleaning component is arranged, so that the sludge in the sedimentation tank can be cleaned more conveniently;

2. the hardened sludge in the sedimentation tank is conveniently cleaned by arranging the hydraulic cylinder and the elastic piece;

3. through setting up holding ring and location line, stability when improving the connecting axle and rotating.

Drawings

FIG. 1 is a schematic structural view of an ecological treatment device for urban river channels;

FIG. 2 is a schematic view of the structure of the sludge cleaning assembly matched with the sedimentation tank;

fig. 3 is a schematic structural view of the elastic member.

In the figure, 1, a sedimentation tank; 10. a water inlet pipe; 11. a sludge tank; 12. a sludge outlet; 2. a dissolved air pool; 3. an air floatation tank; 30. a scum zone; 4. a micro-electrolysis cell; 40. a support net; 41. electrolyzing the filler balls; 5. a biochemical pool; 50. a water collection area; 51. a filler layer; 510. planting a layer; 511. a drainage layer; 512. a drain pipe; 6. a sludge cleaning component; 60. a support frame; 600. mounting grooves; 601. a bearing; 602. a guide block; 61. a connecting shaft; 610. a flow stabilizing cylinder; 611. a positioning ring; 612. positioning a line; 62. a drive motor; 63. a bottom mud scraping assembly; 630. a connecting frame; 6300. mounting holes; 631. a mud scraper; 6310. a mud scraping blade; 64. scraping a wall plate; 640. a wall scraping blade; 7. a mounting seat; 70. a guide groove; 8. a hydraulic cylinder; 9. an elastic member; 90. a connecting rod; 900. a threaded end; 91. a limiting ring; 92. a pressure spring; 93. and a limiting retainer ring.

Detailed Description

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

Referring to fig. 1, the utility model discloses an ecological treatment device for urban river, which comprises a sedimentation tank 1, a dissolved air tank 2 communicated with the sedimentation tank 1, an air flotation tank 3 communicated with the dissolved air tank 2, a micro-electrolysis tank 4 communicated with the air flotation tank 3 and a biochemical tank 5 communicated with the micro-electrolysis tank 4; a water inlet pipe 10 for river sewage to enter the sedimentation tank 1 is arranged on one side of the sedimentation tank 1; a device for pressurizing and dissolving the sewage is arranged in the dissolved air tank 2, and the high-pressure air is supersaturated and dissolved in the sewage; the air flotation tank 3 is communicated with the dissolved air tank 2 through a pipeline; the sewage supersaturated with dissolved air generates a large amount of micro bubbles in the air flotation tank 3 to capture suspended matters such as algae in the water and rise to the water surface to form a scum area 30; the micro-electrolysis tank 4 is communicated with the air floatation tank 3 through a communicating pipe; a supporting net 40 is arranged above the water inlet of the communicating pipe in the micro-electrolytic cell 4; a plurality of inner electrolysis filler balls 41 are added above the supporting net 40 in the micro-electrolysis cell 4; the internal electrolysis filler ball 41 comprises a hollow ball-shaped shell and internal electrolysis fillers added in the shell; a plurality of water permeable holes communicated with the inner cavity of the shell are formed in the shell; the diameter of the housing is larger than the aperture of the support screen 40; the biochemical pool 5 is communicated with the micro-electrolysis pool 4; the biochemical pool 5 comprises a water collecting area 50 which is close to one side of the micro-electrolysis pool 4 and is communicated with the micro-electrolysis pool 4 and a filler layer 51 which is arranged on one side of the water collecting area 50 which is far away from the micro-electrolysis pool 4 and is separated from the water collecting area 50 through a partition plate; the packing layer 51 is provided with a planting layer 510 and a drainage layer 511 from top to bottom; the specific planting layer 510 can use loam suitable for plant growth; the drainage layer 511 can be sand with larger granularity; the planting layer 510 is communicated with the water collecting area 50 through a pipeline; plants are planted on the planting layer 510; a drain pipe 512 communicated with the drain layer 511 is provided at an end of the biochemical pond 5 facing away from the water collecting region 50.

Referring to fig. 2, the bottom of the settling tank 1 is funnel-shaped; a sludge groove 11 is arranged at the lowest point of the bottom of the sedimentation tank 1; a sludge outlet 12 communicated with a sludge tank 11 is arranged on the outer wall of the sedimentation tank 1; a cover body used for sealing the mud outlet 12 is matched on the mud outlet 12; a sludge cleaning component 6 is arranged in the sedimentation tank 1; the sludge cleaning assembly 6 comprises a support frame 60, a connecting shaft 61, a driving motor 62, a bottom sludge scraping assembly 63 and a wall scraping plate 64; the support frame 60 is erected right above the sedimentation tank 1; an installation groove 600 is arranged on the support frame 60 corresponding to the sludge groove 11; a bearing 601 is embedded in the mounting groove 600; one end of the connecting shaft 61 penetrates through the bearing 601 and is fixedly connected with the inner ring of the bearing 601; the other end extends downwards to the bottom of the sedimentation tank 1; a steady flow cylinder 610 is coaxially and fixedly connected to the connecting shaft 61 below the supporting frame 60; a plurality of water outlet holes distributed along the circumferential direction are formed in the outer wall of the flow stabilizing cylinder 610; the water inlet pipe 10 is communicated with the flow stabilizing cylinder 610; the output end of the driving motor 62 is coaxially and fixedly connected with one end of the connecting shaft 61 penetrating through the inner ring of the bearing 601, and the fixing of the connecting shaft 61 and the output end of the driving motor 62 can be specifically completed by adopting a coupler; the bottom mud scraping assembly 63 comprises a connecting frame 630 and a mud scraping plate 631; two connecting frames 630 are symmetrically arranged on two sides of one end of the connecting shaft 61 at the bottom of the sedimentation tank 1; the two connecting frames 630 are arranged in a shape matched with the shape of the bottom of the sedimentation tank 1; the plurality of mud scrapers 631 are fan-shaped; the plurality of mud scrapers 631 are arranged on the connecting frame 630 and are arranged along the length direction of the connecting frame 630, the mud scrapers 631 are obliquely arranged, and one side, facing the bottom of the sedimentation tank 1, of the mud scrapers 631 is provided with mud scraping edges 6310 abutted against the bottom surface of the sedimentation tank 1; the surface formed by the bottom of the plurality of mud scrapers 631 can cover the entire bottom surface of the sedimentation tank 1 when rotating; the scraping plates 64 are two and vertically arranged at one ends of the two connecting frames 630, which are far away from the connecting shaft 61; one side of the scraping plate 64 facing the side wall of the sedimentation tank 1 is provided with a scraping edge 640 abutted against the inner side wall of the sedimentation tank 1; the length of the scraping edge 640 is adapted to the height of the side wall of the sedimentation tank 1.

The implementation principle of the embodiment is as follows: when purifying and treating sewage in a river channel, firstly discharging the sewage in the river channel into a flow stabilizing cylinder 610 through a water inlet pipe 10, rectifying the sewage through the flow stabilizing cylinder 610, and then flowing into a sedimentation tank 1 for sedimentation, wherein a proper amount of flocculating agent can be added for improving the sedimentation effect; the sewage after the sedimentation is finished enters a gas dissolving pool 2 and is mixed and dissolved with high-pressure air in a container pool under the condition of high pressure; high-pressure air is dissolved in a supersaturated manner and is discharged into the air floatation tank 3, and the sewage in which the air is dissolved in a supersaturated manner generates a large amount of micro bubbles in the air floatation tank 3 to capture suspended matters such as algae in the sewage and rise to the water surface to form floating slag, so that workers can clean the floating slag conveniently; the sewage after air flotation purification enters a micro-electrolysis tank 4, under the catalytic action of an internal electrolysis filler, COD in the sewage is removed, the chromaticity of the sewage is reduced, the sewage after micro-electrolysis treatment is discharged into a water collecting area 50 and flows into a filler layer 51 through a pipeline, the contents of pollutants such as heavy metal, inorganic salt, organic nitrogen and the like in the sewage are reduced through secondary purification of a plant root system, and the purified water is discharged through a drainage layer 511; after the sedimentation tank 1 is used for a period of time, water supply to the sedimentation tank 1 is stopped, then the driving motor 62 is started, the driving motor 62 drives the connecting shaft 61 to rotate, so that the mud scraping plate 631 and the mud scraping plate 64 are driven to stir in the sedimentation tank 1, the mud at the bottom of the sedimentation tank 1 can be scraped by the mud scraping plate 631, the mud attached to the side wall of the sedimentation tank 1 can be scraped by the mud scraping plate 64, and the scraped mud can be gathered in the sludge tank 11 because the bottom of the sedimentation tank 1 is funnel-shaped; then opening a sludge outlet 12, pumping sewage in a river channel by using a high-pressure water gun to flush the sedimentation tank 1, and flushing sludge out of the sludge outlet 12; through setting up mud clearance subassembly 6, make the clearance of mud more convenient in the sedimentation tank 1.

In practical application, in order to improve the stability of the sludge cleaning assembly 6 during rotation, referring to fig. 2, a positioning ring 611 is coaxially and fixedly connected to the connecting shaft 61 below the flow stabilizing cylinder 610; a positioning wire 612 is arranged on the positioning ring 611, specifically, a steel wire can be used for improving stability; two positioning wires 612 are provided, one end of each positioning wire 612 is fixedly connected with the positioning ring 611, and the other end is fixedly connected with one end of the connecting frame 630, which is far away from the connecting shaft 61.

The implementation principle of the positioning ring 611 and the positioning line 612 is as follows: when the connecting shaft 61 drives the connecting frame 630 and the mud scraping plate 631 to rotate, a triangular structure is formed among the positioning line 612, the connecting shaft 61 and the connecting frame 630, and the stability of the triangle is better, so that the stability of the cleaning assembly in the rotation process is improved.

In practical application, as the sludge is settled and the thickness of the sludge is increased, the sludge in the sedimentation tank can be compacted and hardened under the action of gravity, the mud scraping plate 631 is trapped in the hardened sludge and can meet larger resistance when rotating, and in addition, when the hardness of the hardened sludge is larger and the thickness of the hardened sludge is higher, the motor arrangement can be difficult to start.

In order to improve the smoothness during mud scraping, referring to fig. 2 and 3, mounting seats 7 are arranged at the positions of the sedimentation tank 1 corresponding to the two ends of the support frame 60; the mounting seat 7 is U-shaped, and the U-shaped opening is upward; the mounting seat 7 is fixedly connected with the edge of the sedimentation tank 1; two ends of the supporting frame 60 are respectively lapped in the U-shaped openings of the mounting seats 7; two opposite side walls of the mounting seat 7 are provided with guide grooves 70 along the vertical direction; a guide block 602 is provided on the support bracket 60 at a position corresponding to the guide groove 70; the guide block 602 is embedded in the guide groove 70 and is in sliding fit with the guide groove 70; two ends of the support frame 60, which are positioned on the mounting seat 7, are provided with hydraulic cylinders 8, and the output ends of the hydraulic cylinders 8 are fixedly connected with the support; an elastic member 9 is provided between the scraper 631 and the connecting frame 630, and the scraper edge 6310 elastically abuts against the bottom of the sedimentation tank 1.

Referring to fig. 3, a mounting hole 6300 having an axis perpendicular to the length direction of the connecting frame 630 is formed in the connecting frame 630; the elastic part 9 comprises a connecting rod 90, a limiting ring 91, a pressure spring 92 and a limiting retainer ring 93; the connecting rod 90 penetrates through the mounting hole 6300 and is in sliding fit with the mounting hole 6300; one end of the connecting rod 90 is fixedly connected with one end of the mud scraping plate 631 departing from the mud scraping edge 6310; the limit ring 91 is coaxially and fixedly connected with one side of the connecting rod 90 close to the mud scraping plate 631; the compression spring 92 is sleeved on the connecting rod 90, and one end of the compression spring is abutted against the limiting ring 91, and the other end of the compression spring is abutted against the connecting frame 630; the periphery of one end, deviating from the mud scraper 631, of the connecting rod 90 is provided with a thread to form a threaded end 900, and the outer diameter of the limiting check ring 93 is larger than the aperture of the mounting hole 6300 and is in threaded connection with the threaded end 900.

The elastic element 9 is implemented according to the following principle: when sludge in the sedimentation tank 1 is thick or a hardened motor is difficult to start, hydraulic cylinders 8 at two ends of the support frame 60 can be started, the support frame 60 is driven to move upwards under the action of the hydraulic cylinders 8, the guide blocks 602 on the support frame 60 slide in the guide grooves 70 so as to guide the support frame 60 to slide upwards and downwards, the support frame 60 drives the connecting frame 630 and the mud scraper 631 to move upwards when moving upwards, and the mud scraper 631 is pulled out of sludge; open the position of driving motor 62 adjustment mud scraper 631, close driving motor 62, then drive hydraulic cylinder 8 and move down, link 630 and mud scraper 631 move down, mud scraper 6310 supports on the mud of sedimentation tank 1 bottom, because the mud hardness that hardens is higher, mud scraper 631 is difficult to insert in the mud, connecting rod 90 slides upwards in mounting hole 6300 this moment, drive mud scraper 631 and shift up, pressure spring 92 contracts, mud scraper 6310 supports tightly with mud, then open the motor, mud scraper 631 hangs one deck that hardens, along with the reduction of mud thickness, pressure spring 92 drive connecting rod 90 and mud scraper move down, mud scraper 6310 supports tightly with mud until 631 is cleared up all the time, through setting up hydraulic cylinder 8 and elastic component 9, conveniently clear up the mud that hardens in the sedimentation tank 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An urban river ecological management device comprises a sedimentation tank (1), a dissolved air tank (2) communicated with the sedimentation tank (1), an air floatation tank (3) communicated with the dissolved air tank (2), a micro-electrolysis tank (4) communicated with the air floatation tank (3) and a biochemical tank (5) communicated with the micro-electrolysis tank (4); a device for pressurizing and dissolving the gas of the sewage is arranged in the gas dissolving pool (2); an internal electrolysis filler is added into the micro-electrolysis cell (4); green plants are planted in the biochemical pool (5); the method is characterized in that: a sludge groove (11) is arranged at the bottom of the sedimentation tank (1); a sludge outlet (12) communicated with the inside of the sludge tank (11) is arranged on the sedimentation tank (1); the mud outlet (12) is matched with a cover body; a sludge cleaning component (6) is arranged in the sedimentation tank (1); mud clearance subassembly (6) are including setting up support frame (60) in the sludge impoundment top, and one end stretches into sludge impoundment bottom other end and support frame (60) and rotates connecting axle (61) of being connected, sets up on support frame (60) and output and connecting axle (61) coaxial rigid coupling's driving motor (62) and set up in connecting axle (61) be located sludge impoundment one end and with mud scraper (631) of sedimentation tank (1) bottom butt.

2. The ecological treatment device for the urban river according to claim 1, wherein: a connecting frame (630) matched with the shape of the bottom of the sedimentation tank (1) is arranged at one end, located on the sedimentation tank (1), of the connecting shaft (61); the plurality of the mud scraping plates (631) are fan-shaped; the plurality of mud scrapers (631) are arranged on the connecting frame (630) and are arranged along the length direction of the connecting frame (630); the mud scraping plates (631) are obliquely arranged and one side of the mud scraping plates (631) abutted against the bottom of the sedimentation tank (1) covers the whole bottom surface of the sedimentation tank (1) when the mud scraping plates (631) rotate.

3. The ecological treatment device for the urban river according to claim 2, wherein: a scraping plate (64) is arranged at one end of the connecting frame (630) deviating from the connecting shaft (61); one side of the scraping plate (64) is abutted against the inner side wall of the sedimentation tank (1).

4. The ecological treatment device for the urban river according to claim 2, wherein: the bottom surface of the sedimentation tank (1) is funnel-shaped; the sludge tank (11) is arranged at the lowest point of the bottom of the sedimentation tank (1).

5. The ecological treatment device of the city river according to claim 4, wherein: a mounting groove (600) is formed in the position, corresponding to the sludge port, of the support frame (60); a bearing (601) is embedded in the mounting groove (600); one end of the connecting shaft (61) departing from the sedimentation tank (1) penetrates through the inner ring of the bearing (601) and is fixedly connected with the inner ring of the bearing (601).

6. The ecological treatment device for the urban river according to claim 2, wherein: mounting seats (7) are arranged on two sides of the sedimentation tank (1) corresponding to two ends of the support frame (60); the support frame (60) is in sliding fit with the mounting seat (7); a hydraulic cylinder (8) is arranged on the mounting seat (7); the output end of the hydraulic cylinder (8) is fixedly connected with the support frame (60); an elastic piece (9) is arranged between the connecting frame (630) and the mud scraper (631); the mud scraping plate (631) is elastically abutted with the bottom surface of the sedimentation tank (1).

7. The ecological treatment device of the city river according to claim 6, wherein: the connecting frame (630) is provided with a mounting hole (6300) with the axis vertical to the length direction of the connecting frame (630), the elastic piece (9) comprises a connecting rod (90) which is arranged in the mounting hole (6300) in a penetrating way and one end of which is fixedly connected with the mud scraping plate (631), a limiting ring (91) which is arranged on one side of the connecting rod (90) close to the mud scraping plate (631), and a pressure spring (92) which is sleeved on the connecting rod (90) and two ends of which are respectively abutted against the limiting ring (91) and the connecting frame (630); the connecting rod (90) is in sliding fit with the mounting hole (6300); a threaded end (900) is arranged at one end of the connecting rod (90) departing from the mud scraping plate (631); and a limiting check ring (93) with the outer diameter larger than that of the mounting hole (6300) is screwed on the threaded end (900).

8. The ecological treatment device for the urban river according to claim 2, wherein: a positioning ring (611) is fixedly connected to the connecting shaft (61) and positioned below the supporting frame (60); a positioning line (612) is arranged on the positioning ring (611); one end of the positioning line (612) is fixedly connected with the positioning ring (611), and the other end of the positioning line is fixedly connected with one end of the connecting frame (630) departing from the connecting shaft (61); the positioning wire (612) is tensioned and straightened between the positioning ring (611) and the connecting frame (630).