CN218374316U - Municipal drainage filtration - Google Patents

Abstract

The utility model provides a municipal drainage filtering structure, comprising a drainage well, the side wall of the drainage well is provided with a drainage pipe, the water inlet of the drainage pipe is provided with a filter net, and a second horizontal plate is arranged in the drainage well, so that The second horizontal plate is provided with a water outlet, and a waterwheel structure is arranged below the water outlet of the second horizontal plate. The waterwheel structure includes two circular plates arranged in parallel, and a plurality of Paddle, the drainage well is horizontally provided with a first rotating shaft connected to the inner wall of the drainage well, two circular plates are fixed on the first rotating shaft, the first rotating shaft is perpendicular to the circular plates, and the position of the paddle is the same as that of the second rotating shaft. The water outlets of the two horizontal plates correspond to each other, the paddles are used to drive the first rotating shaft to rotate, and a cleaning mechanism is also provided in the drainage well, and the first rotating shaft is used to drive the cleaning mechanism to clean the filter screen. The utility model utilizes the kinetic energy of rainwater to clean the filter net of the water inlet of the drainage pipe, prevents the drainage pipe from being blocked, and is energy-saving and environment-friendly.

Description

A Municipal Drainage Filtration Structure

technical field

The utility model relates to the technical field of municipal drainage, in particular to a municipal drainage filtering structure.

Background technique

Urban drainage refers to the collection, transportation, treatment and discharge of urban sewage and rainwater by the urban drainage system. When cities deal with rainwater, most of them use urban drainage to discharge rainwater into the urban groundwater network through roadside manhole covers and send it to the surrounding areas of the city. In the ditches and rivers of the country, rainwater is inevitably mixed with more impurities during the collection process, which makes it difficult to recycle rainwater for secondary use.

The Chinese utility model patent whose authorized notification number is CN211690691U discloses a kind of municipal drainage filtering equipment, including a drainage well, the drainage well is arranged between the sidewalk and the municipal road, and the top of the drainage well is provided with a municipal rainwater grate of mesh structure, The municipal rainwater grate is slightly lower than the level of the municipal road. A detachable filter hanging basket is placed on the upper part of the drainage well. The filter hanging basket is used to collect the leaves, garbage and other debris falling from the municipal rainwater grate. The bottom of the drainage well is set for sedimentation pool, and the middle side wall of the drainage well is communicated with a municipal drainage pipe. The municipal drainage filtering equipment has simple structure, novel concept, good filtering effect on rainwater, good recycling, easy maintenance and long service life. However, the following problems still exist: when the municipal drainage filter equipment discharges rainwater, under the action of rainwater flow, the small sundries in the rainwater have not yet settled in the sedimentation pond, and will be adsorbed to the rainwater collection network along with the rainwater. Thereby causing the blockage of the rainwater collection net, it needs to be cleaned manually like this, which is time-consuming and laborious, and also affects the effect of drainage.

Utility model content

The technical problem solved by the utility model is to provide a municipal drainage filter structure that prevents filter screens from being clogged.

In order to achieve the above object, the utility model provides the following technical solutions: a municipal drainage filter structure, including a drainage well, the side wall of the drainage well is provided with a drainage pipe, and the water inlet of the drainage pipe is provided with a filter screen, which is characterized in that : the second horizontal plate is arranged in the drainage well, the second horizontal plate is provided with a water outlet, and a waterwheel structure is arranged below the water outlet of the second horizontal plate, and the waterwheel structure includes two A circular plate, a plurality of paddles arranged between two circular plates, a first rotating shaft that is rotatably connected to the inner wall of the drainage well is arranged horizontally in the drainage well, the two circular plates are fixed on the first rotating shaft, and the first The rotating shaft is perpendicular to the circular plate, the position of the paddle corresponds to the water outlet of the second horizontal plate, the paddle is used to drive the first rotating shaft to rotate, and a cleaning mechanism is also provided in the drainage well, and the first rotating shaft It is used to drive the cleaning mechanism to clean the filter screen.

Further, the cleaning mechanism includes a second rotating shaft horizontally arranged below the first rotating shaft and perpendicular to the first rotating shaft, the second rotating shaft is arranged along the axial direction of the drainpipe, and the second rotating shaft is in drive connection with the first rotating shaft, One end of the second rotating shaft is rotatably connected to the inner wall of the drainage well, and the other end is provided with a disc with a brush facing the surface of the filter screen for cleaning the filter screen.

Further, a worm is provided on the first rotating shaft, and a worm wheel cooperating with the worm is provided on the second rotating shaft.

Further, a water outlet main pipe communicating with the water outlet of the second horizontal board is arranged under the second horizontal plate, and the positions of the paddles correspond to the water outlet of the water outlet main pipe.

Further, the lower end of the water outlet main pipe is connected to two parallel water outlet branch pipes, and the waterwheel structure is provided with two, and the water outlets of the two water outlet branch pipes correspond to the paddles of the two waterwheel structures.

Further, the middle part of the second horizontal plate is provided with a downwardly concave arc surface, and the water outlet of the second horizontal plate is arranged at the center of the arc surface.

Further, a first horizontal plate is arranged horizontally in the drainage well, the first horizontal plate is arranged above the second horizontal plate, a water inlet is opened on the first horizontal plate, and the first horizontal plate and the second horizontal plate A filter basket is arranged between the horizontal plates, and the filter basket is used for filtering the sewage flowing down from the water inlet of the first horizontal plate.

Further, the top of the filter basket is open, the bottom and the inner wall are provided with filter holes, the opening edge of the filter basket is provided with a handle extending outward, and the handle is stuck on the water inlet of the first horizontal plate above to secure the filter basket.

Further, a waste bin is arranged outside the drainage well, and a sewage discharge pipe communicating with the bottom of the waste bin is provided on the side wall of the bottom of the drainage well, and the sewage discharge pipe is used to discharge impurities at the bottom of the drainage well into the waste bin.

Further, the sewage pipe is provided with a valve, the valve is provided in the waste bin, and the top of the waste bin is provided with a cover plate.

The beneficial effects of the utility model:

1. The utility model utilizes the kinetic energy of rainwater to drive the water wheel structure to rotate, so that the rotation of the second rotating shaft drives the disc to rotate, and the brush on the disc can clean the filter screen of the water inlet of the drain pipe, preventing the drain pipe from clogging. No need to use motor, energy saving and environmental protection.

2. The bottom of the drainage well of the present utility model is provided with a sedimentation pond, which can make the small debris in the water and cleaned from the filter net settle in the sedimentation pond, and the sedimentation pond can further carry small particles in the rainwater. The sediment is precipitated and separated, making the water source cleaner.

3. A waste bin is arranged outside the drainage well of the utility model, and the impurities in the sedimentation tank can enter the waste bin through the sewage pipe, which is convenient for staff to clean and maintain.

4. The utility model is provided with a filter basket, which can filter larger debris in rainwater and prevent larger debris from blocking the water outlet of the second horizontal plate and the filter screen of the drain pipe.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the utility model drainage well;

Fig. 3 is a schematic structural view of the upper part of the utility model drainage well;

Reference signs: 1. drainage well; 2. filter basket; 3. first horizontal board; 4. handle; 5. second horizontal board; 6. water outlet main pipe; 7. paddle; 8. first rotating shaft; 9 , second rotating shaft; 10, disc; 11, filter screen; 12, drainage pipe; 13, grate; 14, cover plate; 15, sewage pipe; 16, waste bin; 17, worm; 18, worm gear; 19, Silt pool.

Detailed ways

The utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1, a kind of municipal drainage filtering structure comprises drainage well 1, and the top of described drainage well 1 is provided with rainwater grate 13, and described grate 13 can carry out initial filtration to larger sundry, and described drainage well A drain pipe 12 is provided on the side wall, and a filter screen 11 is provided at the water inlet of the drain pipe 12. In this embodiment, the drain pipe 12 is arranged in the middle of the drainage well 1 to prevent impurities at the bottom from clogging the drain pipe 12 .

The drainage well 1 is provided with a first horizontal plate 3, a filter basket 2, a second horizontal plate 5, a waterwheel structure and a cleaning mechanism in order from top to bottom.

The first horizontal plate 3 is arranged below the grate 13, a water inlet is provided on the first horizontal plate 3, and a filter basket 2 is fixed below the first horizontal plate 3, and the filter basket 2 is used for filtering Sewage flowing down from the water inlet of the first horizontal plate 3. The top of the filter basket 2 is open, the bottom and the inner wall are provided with filter holes, the edge of the opening of the filter basket 2 is provided with a handle 4 extending outward, and the handle 4 is stuck on the side of the first horizontal plate 3 Above the water inlet to fix the filter basket 2. Not only is it convenient to disassemble and install the filter basket 2, but it is also convenient to clean up larger debris inside the filter basket 2.

The second horizontal plate 5 is provided with a water outlet, and the water outlet main pipe 6 connected with the water outlet of the second horizontal plate 5 is arranged under the second horizontal plate 5, and a water wheel structure is arranged under the water outlet main pipe 6, so that The waterwheel structure includes two circular plates arranged in parallel, and a plurality of arc-shaped paddles 7 arranged between the two circular plates. The drainage well 1 is horizontally provided with a first rotatable connection with the inner wall of the drainage well 1. A rotating shaft 8, the first rotating shaft 8 is perpendicular to the length direction of the drain pipe 12, two circular plates are fixed on the first rotating shaft 8, the first rotating shaft 8 is perpendicular to the circular plates, in this embodiment, the water outlet The lower end of the main pipe 6 is connected with two parallel water outlet branch pipes, the waterwheel structure is provided with two, and the water outlets of the two water outlet branch pipes correspond to the paddles 7 of the two waterwheel structures.

In this embodiment, the middle part of the second horizontal plate 5 is provided with a downwardly concave arc surface, and the water outlet of the second horizontal plate 5 is set at the center of the arc surface, so that the gravitational potential energy of the rainwater above can be quickly converted into The kinetic energy impacts the paddle 7 through the outlet branch pipe to realize the rotation of the first rotating shaft 8 .

In this embodiment, the upper surfaces of the first horizontal plate 3 and the second horizontal plate 5 are provided with water guide plates, which can quickly and effectively guide rainwater into the drainage well 1 and reduce the generation of accumulated water.

The cleaning mechanism includes a second rotating shaft 9 horizontally arranged below the first rotating shaft 8 and perpendicular to the first rotating shaft 8, the second rotating shaft 9 is arranged axially along the drainpipe 12, and the second rotating shaft 9 is connected to the first rotating shaft 8 transmission connection, in this embodiment, the first rotating shaft 8 is provided with a worm 17, and the second rotating shaft 9 is provided with a worm gear matched with the worm 17, and the worm 17 is meshed with the worm gear so that the first rotating shaft 8 Drive the second rotating shaft 9 to rotate, one end of the second rotating shaft 9 is connected to the inner wall of the drainage well 1 in rotation, and the other end is provided with a disc 10 with a brush, and the brush is facing the surface of the filter screen 11 for cleaning and filtering Net 11.

In this embodiment, the diameter of the disc 10 , the diameter of the filter 11 and the inner diameter of the drain pipe 12 are the same.

A waste bin 16 is arranged outside the drainage well 1, and the bottom side wall of the drainage well 1 is provided with a sewage pipe 15 communicating with the bottom of the waste bin 16, and the sewage pipe 15 is used to discharge impurities at the bottom of the drainage well 1 to waste In warehouse 16. Smaller sundries can be discharged in the waste bin 16 through the blowdown pipe 15 in the sedimentation tank 19, thereby avoiding the clogging of the filter screen 11 due to more sundries deposited in the sedimentation tank 19.

The sewage pipe 15 is provided with a valve, the valve is arranged in the waste bin 16 , and the top of the waste bin 16 is provided with a cover plate 14 , the cover plate 14 can prevent rainwater from entering the waste bin 16 . The sewage treatment is controlled through the valve on the sewage pipe 15, which effectively prevents rainwater from being discharged into the waste bin 16 as well.

The working principle of the utility model: the rainwater and the sundries carried along the edge of the municipal road pass through the grate 13 and enter the drainage well 1, firstly enter the filter basket 2 from the water inlet of the first horizontal plate 3, and the rainwater Some leaves, rubbish and other sundries in the filter basket are intercepted in the filter basket 2, and then the rainwater falls into the downwardly recessed arc surface of the second horizontal plate 5, and falls through the outlet main pipe 6 and the outlet branch pipe to the filter basket fixed on the first rotating shaft. The paddle 7 on 8, under the impact of water, the paddle 7 rotates, the worm 17 on the first rotating shaft 8 also rotates accordingly, and drives the worm gear 18 meshed with it to rotate, and then drives the second rotating shaft 9 to rotate , then the disk 10 fixed on the second rotating shaft 9 will also rotate with it, and drive the brush on the disk 10 to clean the filter screen 11 on the side of the drainage well 1, and then remove the adsorbed particles on the filter screen 11. The lesser sundries, sundries fall in the sedimentation pond 19 of drainage well 1 bottom inner wall.

When cleaning the drainage well 1, first open the rainwater grate 13, then take out the filter basket 2, clean the filter basket 2, then open the cover plate 14, then open the valve on the blowdown pipe 15, and put The sludge and other sundries are discharged into the waste bin 16, and then the sediment pond 19 and the waste bin 16 are cleaned. After the cleaning is completed, it is reset, and often cleaning can effectively prolong the service life.

The basic principles and main structural features of the present utility model have been shown and described above. The utility model is not limited by the above-mentioned examples. On the premise of not departing from the spirit and scope of the utility model, the utility model also has various changes and improvements, and these changes and improvements all fall into the scope of the utility model claimed. Inside. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (10)

1. A municipal drainage filter structure, comprising a drainage well (1), the side wall of the drainage well (1) is provided with a drainage pipe (12), and the water inlet of the drainage pipe (12) is provided with a filter screen (11) , characterized in that: the drainage well (1) is provided with a second horizontal plate (5), the second horizontal plate (5) is provided with a water outlet, and the water outlet of the second horizontal plate (5) is below the water outlet A waterwheel structure is provided, and the waterwheel structure includes two circular plates arranged in parallel, a plurality of paddles (7) arranged between the two circular plates, and a water drainage well (1) is horizontally arranged in the drainage well (1). The inner wall of the well (1) is rotatably connected to the first rotating shaft (8), and the two circular plates are fixed on the first rotating shaft (8), the first rotating shaft (8) is perpendicular to the circular plates, and the paddles (7) The position corresponds to the water outlet of the second horizontal plate (5), the paddle (7) is used to drive the first rotating shaft (8) to rotate, and a cleaning mechanism is also provided in the drainage well (1). A rotating shaft (8) is used to drive the cleaning mechanism to clean the filter screen (11). 2. A municipal drainage filtering structure according to claim 1, characterized in that: said cleaning mechanism comprises a second rotating shaft (9) horizontally arranged below the first rotating shaft (8) and perpendicular to the first rotating shaft (8) ), the second rotating shaft (9) is arranged axially along the drainage pipe (12), the second rotating shaft (9) is connected to the first rotating shaft (8) by transmission, and one end of the second rotating shaft (9) is connected to the drainage well (1) The inner wall is rotatably connected, and the other end is provided with a disc (10) with a brush, and the brush is facing the surface of the filter screen (11) for cleaning the filter screen (11). 3. A kind of municipal drainage filtering structure as claimed in claim 2, characterized in that: the first rotating shaft (8) is provided with a worm (17), and the second rotating shaft (9) is provided with a worm (17). 17) Cooperating worm gear (18). 4. A municipal drainage filter structure according to claim 1, characterized in that: a water outlet main pipe (6) communicating with the water outlet of the second horizontal plate (5) is arranged under the second horizontal plate (5) , the position of the blade (7) corresponds to the water outlet of the water outlet main pipe (6). 5. A kind of municipal drainage filtering structure as claimed in claim 4, characterized in that: the lower end of the outlet main pipe (6) is connected with two parallel outlet branch pipes, the water wheel structure is provided with two, and the two The water outlet of the water outlet branch pipe corresponds to the paddles (7) of the two waterwheel structures. 6. A municipal drainage filtering structure according to claim 1, characterized in that: the middle part of the second horizontal plate (5) is provided with a downwardly concave arc surface, and the second horizontal plate (5) The water outlet is arranged at the center of the arc surface. 7. A municipal drainage filter structure according to claim 1, characterized in that: a first horizontal plate (3) is horizontally arranged in the drainage well (1), and the first horizontal plate (3) is arranged on Above the second horizontal plate (5), a water inlet is opened on the first horizontal plate (3), and a filter basket (2) is arranged between the first horizontal plate (3) and the second horizontal plate (5) , the filter basket (2) is used to filter the sewage flowing down from the water inlet of the first horizontal plate (3). 8. A municipal drainage filter structure as claimed in claim 7, characterized in that: the top of the filter basket (2) is open, the bottom and the inner wall are provided with filter holes, the opening of the filter basket (2) An outwardly extending handle (4) is provided on the edge, and the handle (4) is clamped above the water inlet of the first horizontal plate (3) to fix the filter basket (2). 9. A kind of municipal drainage filtering structure as claimed in claim 1, characterized in that: a waste bin (16) is arranged outside the drainage well (1), and the bottom side wall of the drainage well (1) is provided with waste A sewage discharge pipe (15) connected to the bottom of the bin (16), the sewage discharge pipe (15) is used to discharge impurities at the bottom of the drainage well (1) into the waste material bin (16). 10. A kind of municipal drainage filtering structure as claimed in claim 9, characterized in that: the sewage pipe (15) is provided with a valve, the valve is arranged in the waste bin (16), and the waste bin (16) ) top is provided with cover plate (14).

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