CN108755904B

CN108755904B - Municipal drainage system

Info

Publication number: CN108755904B
Application number: CN201810557998.3A
Authority: CN
Inventors: 施鑫镛
Original assignee: Anhui Zhishidai Technology Co Ltd
Current assignee: Anhui zhishidai Technology Co., Ltd
Priority date: 2018-06-01
Filing date: 2018-06-01
Publication date: 2020-12-01
Anticipated expiration: 2038-06-01
Also published as: CN108755904A

Abstract

The invention discloses a municipal drainage system which comprises a sewer opening cover plate, a filtering assembly, a flow guide device, a sedimentation tank and a sewer, wherein the sedimentation tank is arranged below the flow guide device, one side of the sedimentation tank is connected with the sewer, the filtering assembly is arranged below the sewer opening cover plate, and the filtering assembly comprises a screen, sliding blocks arranged at two ends of the screen and springs for connecting the screen and the sliding blocks; the device can effectively filter out the articles such as leaves and the like mixed in the rainwater, and prevent the sewer from being blocked to influence the drainage efficiency; particulate matters such as gravel are filtered and precipitated, and excessive gravel is prevented from directly entering a sewer, so that the water passing cross section of the sewer is reduced, and the problem of sewer blockage is effectively solved.

Description

Municipal drainage system

Technical Field

The invention belongs to the technical field of urban drainage waterlogging prevention engineering, and particularly relates to a municipal drainage system.

Background

With the acceleration of urbanization, municipal drainage systems are a very important civil engineering. The water accumulation on the road surface is often caused after heavy rain, at the moment, the water drainage system is required to drain the road surface, but the sundries washed by the rain water are more and usually mixed with leaves, silt and the like to enter a sewer, so that the water drainage system is not smooth, the water drainage capability is reduced, the water accumulation on the road surface is caused, the road condition is complicated, and the vehicle running is influenced; as the impurities are accumulated in the pipeline, the water passing section of the sewer is reduced, and the drainage capability is deteriorated.

Disclosure of Invention

The municipal drainage system can prevent the blockage caused by sundries such as leaves and the like and improve the drainage capacity of a sewer in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a municipal drainage system comprises a sewer opening cover plate, a filtering assembly, a flow guide device, a sedimentation tank and a sewer, wherein the sedimentation tank is arranged below the flow guide device, one side of the sedimentation tank is connected with the sewer, the filtering assembly is arranged below the sewer opening cover plate, and the filtering assembly comprises a screen, sliding blocks arranged at two ends of the screen and springs for connecting the screen and the sliding blocks; the filtering component is arranged below the cover plate of the sewer opening, so that sundries such as leaves and the like which are flushed along with rainwater are filtered at the filtering component, and the blockage of the sewer caused by the flushing of large objects such as the leaves and the like into the sewer is prevented; the screen is connected through the spring, so that the screen vibrates when water flow impacts the screen, small-particle sand stones blocked on the screen are shaken off, and the influence of the blockage of the screen on the drainage efficiency is prevented; the screen is fixed through the sliding block, so that when the screen is cleaned regularly, the screen is convenient to take out, objects such as leaves filtered on the screen are cleaned, and the drainage capacity of a drainage system is improved; the sedimentation tank is arranged to sediment the silt in the rainwater, so that the silt in the rainwater is precipitated in the sedimentation tank, the silt is prevented from directly entering a sewer and being accumulated in the sewer, and the drainage capacity of the sewer is reduced; through guiding device, make the rainwater that falls into the sewer that falls through sewer mouth apron whereabouts can be better, play the guide effect to the rainwater, prevent that the rainwater from directly falling into the sedimentation tank, stir the silt in the sedimentation tank and make silt sneak into the sewer, influence sewer drainage ability.

Preferably, the municipal drainage system further comprises a lower water bin, and a sliding groove corresponding to the sliding block is formed in the inner wall of the upper end of the lower water bin; through the cooperation of spout and slider, make the filter assembly installation more convenient, when regular clearing up the screen cloth, pull up the slider along the spout, simple structure convenient operation.

Preferably, the flow guide device comprises a flow guide plate arranged on the inner wall of the upper part of the lower water sump and a water retaining block arranged on the flow guide plate; the guide plate surface sets up for the slope, makes things convenient for the rainwater to fall along the guide plate, and the guide plate middle part is equipped with down the water hole, and the water hole top down is located to the manger plate piece, prevents that the rainwater from directly dropping to the sedimentation tank in after getting into the sump down, to the sedimentation effect production influence in the sedimentation tank, reduces the gravitational potential energy of rainwater through guide plate and manger plate piece, makes the rainwater can be more steady fall into the sedimentation tank and carries out the sedimentation effect.

Preferably, the water blocking block is fixedly connected to the guide plate, a longitudinal guide groove is formed in the guide plate, and the upper portion of the water blocking block is of an arc-shaped structure; the water blocking piece lower extreme is equipped with the support, the water blocking piece passes through the support rigid coupling on the guide plate, the better whereabouts of rainwater on the guide plate is fallen in the guiding gutter help, play the water conservancy diversion effect to the rainwater, water blocking piece upper portion is established to be convex, utilize the arch to have good support nature, improve the intensity of water blocking piece, prevent that the water blocking piece from causing the damage under long-term rainwater impact, and the rainwater can be along the arc structure on the water blocking piece downflow to the lower downthehole of launching on the guide plate, make the rainwater fall into the sedimentation tank.

Preferably, a first filter screen, a second filter screen and a third filter screen are sequentially arranged in the sedimentation tank, and the bottom surface of the sedimentation tank is lower than the bottom surface of the sewer; the bottom surface of the sedimentation tank is lower than the bottom surface of a sewer, so that after rainwater is settled in the sedimentation tank, sediments are settled on the bottom surface of the sedimentation tank, and supernatant can flow into the sewer; the diameters of the filtering holes of the first filtering net, the second filtering net and the third filtering net are sequentially reduced, so that gravel in water flow can be better refined and filtered; through the setting of filter screen, the gravel etc. in the rainwater that makes to flow into in the sewer refines more, avoids the filtration pore to be blockked up and influences drainage efficiency, prevents that silt from piling up the water area who causes the sewer in the sewer and reducing, influences drainage ability.

Preferably, the lower end of the guide plate is provided with a floating plate, the floating plate is connected with the guide plate through a connecting rod, and the floating plate is sleeved on the connecting rod; the floating plate can be adjusted up and down according to the water level in the sedimentation tank, and impurities floating on the water surface are intercepted, so that the impurities are prevented from entering a sewer to cause the blockage of the sewer.

Preferably, a detection channel is further arranged on the right side of the lower water sump, and a crawling ladder is arranged in the detection channel; inside staff's accessible inspection shaft got into drainage system, overhauld drainage system inside, inside the cat ladder made things convenient for the staff to get into inspection shaft, convenient to use.

Preferably, the detection channel is connected with the lower water bin, a detection table is arranged above the sedimentation tank, and the detection table is arranged at the position of a channel opening of the detection channel; can reach through the testing channel and examine test table on, examine test table and locate the guide plate below, can not cause the influence to examining test table yet when the guide plate is launched, the staff can dredge the sedimentation tank on examining test table, the convenient periodic cleaning to the sedimentation tank.

Preferably, a mud suction device is arranged in the sedimentation tank, and comprises a vent pipe and a mud conveying pipeline; detect in the sedimentation tank after the staff reachs detecting the platform, when the precipitate in the discovery sedimentation tank is too much, the mud device is inhaled in the operatable carries out work, clears up the precipitate of sedimentation tank bottom through inhaling the mud device, and it is too much to make things convenient for the precipitate to pile up in the sedimentation tank, influences the normal work of sedimentation tank.

Preferably, the breather pipe and the mud conveying pipeline are both arranged in the inner wall of the detection channel, a top cover is arranged at the upper end of the detection channel, and the top cover is in contact with one end of the gas conveying pipe and one end of the mud conveying pipeline; locate the inspection passage inner wall with breather pipe and defeated mud pipeline, it is too big to avoid device to take up an area of volume, makes drainage system have more the practicality, when inhaling mud device and beginning work, opens the top cap, inserts the air pump in breather pipe one end, makes and inhales mud device and begins work, and the silt of suction is subaerial through defeated mud pipeline transportation, conveniently unifies the processing.

The invention has the following advantages: the device can effectively filter out the articles such as leaves and the like mixed in the rainwater, and prevent the sewer from being blocked to influence the drainage efficiency; particulate matters such as gravel are filtered and precipitated, and excessive gravel is prevented from directly entering a sewer, so that the water passing cross section of the sewer is reduced, and the problem of sewer blockage is effectively solved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the sliding groove on the inner wall of the upper part of the lower water bin.

Fig. 3 is a schematic structural view of the mud suction device of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, a municipal drainage system comprises a sewer opening cover plate 1, a filtering component, a flow guiding device, a sedimentation tank 4 and a sewer 5, wherein the sewer opening cover plate 1, the filtering component, the flow guiding device and the sedimentation tank 4 are distributed from top to bottom, the sedimentation tank 4 is arranged below the flow guiding device, one side of the sedimentation tank 4 is connected with the sewer 5, the filtering component is arranged below the sewer opening cover plate 1, the filtering component comprises a screen 2, a sliding block 21 arranged at two ends of the screen 2 and a spring 22 connecting the screen 2 and the sliding block 21, the screen 2 can filter impurities such as leaves flowing down along the water, the aperture of the screen 2 is larger than the diameter of sand, and the sand in the water can smoothly fall through the screen; when water flow falls from the sewer opening cover plate 1, leaves, plastic bags and other objects in the water flow are filtered by the screen 2, are filtered by the screen 2 and are collected on the screen 2, and sand falls from the apertures of the screen 2 and enters the sedimentation tank 4; the arrangement of the screen 2 effectively prevents large objects such as leaves from entering the sewer and prevents the sewer 5 from being blocked by the objects such as the leaves; when rivers drop and strike and make on screen cloth 2, spring 22 produces vibrations, drives screen cloth 2 vibrations, prevents that the sieve mesh on the screen cloth 2 from being blockked up by the grit, the effectual plug that shakes off on the sieve mesh.

The municipal drainage system also comprises a lower water bin 7, and a sliding groove 711 corresponding to the sliding block 21 is arranged on the inner wall 71 at the upper end of the lower water bin 7; the lower water bin 7 is arranged below the sewer opening cover plate 1, and water flow falls to the sedimentation tank 4 from the lower water bin 7; when the screen 2 is cleaned regularly, the sewer opening cover plate 1 is opened, the sliding block 21 slides out along the sliding groove 711, so that the screen 2 is taken out of the sewer bin 7, and impurities on the screen 2 are cleaned; after the sundries on the screen 2 are cleaned, the sliding block 21 is installed in the sliding groove 711 again, so that the sliding block 21 falls down along the sliding groove 711, and the screen 2 is installed; through the cooperation of slider 21 and spout 711, make the dismouting of screen cloth 2 more convenient, easily operation.

The flow guide device comprises a flow guide plate 31 arranged on the inner wall 71 of the upper part of the lower water silo and a water retaining block 32 arranged on the flow guide plate 31, the water retaining block 32 is fixedly connected on the flow guide plate 31, a longitudinal flow guide groove is arranged on the flow guide plate 31, and the upper part of the water retaining block 32 is of an arc-shaped structure; the surface of the guide plate 31 is arranged obliquely, one end of the guide plate 31 is fixedly connected with the inner wall 71 at the upper part of the lower water bin, the other end of the guide plate 31 is bent downwards to form an inclined plane, a lower water hole is arranged in the middle of the guide plate 31, and water flows to the lower water hole along the guide plate 31 and falls to the sedimentation tank 4 from the lower water hole; the water blocking block 32 is arranged above the lower water hole, the lower end of the water blocking block 32 is provided with a bracket, the bracket is fixedly connected to the guide plate 31, the water hole is covered by the water blocking block 32, and the falling water flow is prevented from directly falling into the lower water hole and has a buffering effect on the water flow; the upper part of the water blocking block 32 is arranged in an arc shape, and the characteristic of strong arch support is utilized to prevent the water blocking block 32 from being damaged due to overlarge impact force of the flushed water flow, and the water flow falling on the water blocking block 32 can fall along the arc surface of the water blocking block 32, so that the water flow is prevented from being accumulated on the water blocking block 32 to increase the burden of a water blocking block bracket; the guide plate 31 is provided with a longitudinal guide groove, so that water flow falling on the guide plate 31 can better fall along the guide plate 31, and the water flow is prevented from being accumulated on the guide plate 31; set up guiding device and prevent that rivers from directly falling to sedimentation tank 4 in via filtering component directly from sewer mouth apron 1 department, stir mild rivers in sedimentation tank 4, influence the precipitation effect, reduce the gravitational potential energy of rivers through guiding device, make rivers slowly fall into sedimentation tank 4, avoid the rivers of whereabouts to cause the influence to the sediment in sedimentation tank 4, reduce drainage system's drainage efficiency.

A first filter screen 44, a second filter screen 41 and a third filter screen 45 are sequentially arranged in the sedimentation tank 4, and the bottom surface of the sedimentation tank 4 is lower than the bottom surface of the sewer 5; the three filter screens are clamped on the bottom surface of the sedimentation tank 4, the three filter screens are all higher than the highest liquid level of the sedimentation tank 4, the diameters of filter holes of the first filter screen 44, the second filter screen 41 and the third filter screen 45 are sequentially reduced, so that the gravel refining effect is achieved, gravel particles finally entering the sewer 5 are reduced, the blockage of the sewer 5 caused by deposition in the gravel sewer 5 is prevented, and the three layers of filter screens are arranged, so that the filtering failure caused by damage of one layer of filter screen is prevented, and the filtering accuracy is improved; the bottom surface of the sedimentation tank 4 is lower than the bottom surface of the sewer 5, when water flows into the sedimentation tank 4, because the bottom surface of the sedimentation tank 4 is lower, the water flows are deposited in the sedimentation tank 4, sediments such as sand and stone in the water flows are precipitated to the bottom of the sedimentation tank 4, when the liquid level in the sedimentation tank 4 is higher than the bottom surface of the sewer 5, supernatant in the sedimentation tank 4 flows into the sewer 5, when the supernatant in the sedimentation tank 4 flows, the first filter screen 44, the second filter screen 41 and the third filter screen 45 are used for filtering, the supernatant is filtered again, sand and stone particles entering the sewer 5 are smaller in diameter, and the phenomenon that the cross section of the sewer 5 is reduced due to the excessive entering of the sand and stone and the like in the sewer 45 and the drainage efficiency is influenced is prevented.

The lower end of the guide plate 31 is provided with a floating plate 42, the floating plate 42 is connected with the guide plate 31 through a connecting rod 421, and the floating plate 42 is sleeved on the connecting rod 421; the connecting rod 421 is fixedly connected to the guide plate 31, and the floating plate 42 can slide up and down on the connecting rod 421 according to the height of the liquid level; the floating plate 42 is arranged to enable the floating plate 42 to float on the liquid level, so that some tiny floaters floating on the water surface in water flow are blocked, and the floaters are prevented from entering the sewer 5 to cause blockage of the sewer 5 and influence the drainage efficiency of the sewer 5.

A detection channel 6 is further arranged on the right side of the lower water sump 7, a crawling ladder 62 is arranged in the detection channel 6, the detection channel 6 is connected with the lower water sump 7, a detection table 63 is arranged above the sedimentation tank 4, and the detection table 63 is arranged at a channel opening of the detection channel 6; when the staff is carrying out periodic cleaning to drainage system, accessible cat ladder 62 enters into drainage system inside through detecting channel 6 on entering into detecting platform 63 to conveniently observe the sediment situation in the sedimentation tank 4, clear up the effect to the precipitate in the sedimentation tank 4.

A mud suction device 43 is arranged in the sedimentation tank 4, the mud suction device 43 comprises a vent pipe 431 and a mud conveying pipeline 432, the vent pipe 431 and the mud conveying pipeline 432 are both arranged in the inner wall of the detection channel 6, a top cover 61 is arranged at the upper end of the detection channel 6, and the top cover 61 is in contact with one ends of the vent pipe 431 and the mud conveying pipeline 432; the mud suction device 43 further comprises a ventilation cavity 435, a ventilation hole 438 and a mud suction hopper 434, the ventilation pipe 431 is communicated with the ventilation cavity 435, the ventilation hole 438 is arranged at the lower end of the mud conveying pipeline 432, the mud suction hopper 434 is arranged below the mud conveying pipeline 432 and is fixedly connected with the mud conveying pipeline 432, and the mud suction hopper 434 is arranged at the bottom of the sedimentation tank 4; the air vents 438 are uniformly arranged at the lower end of the mud conveying pipeline 432, and the air vents 438 are arranged obliquely downwards; when the staff detects sedimentation tank 4 on examining test table 63, when needing to clear up sedimentation tank 4, open top cover 61, make mud pipeline 432 and breather pipe 431 expose, ventilate for breather pipe 431 through an air pump dolly 8, breather pipe 431 links to each other with air pump dolly 8 through a gas-supply pipe 81, gas enters into ventilation chamber 435 through breather pipe 431, gas enters into mud pipeline 432 through air vent 438, because air vent 438 slope sets up downwards, make to change ascending air current in the mud pipeline 432, mud absorption fill 434 carries out the suction effect to sedimentation tank 4 bottom, inhale mud in mud absorption fill 434, the rethread mud pipeline 432 is carried to subaerial, make things convenient for follow-up staff to carry out the unified processing to the absorptive mud.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a municipal drainage system, includes sewer mouth apron (1), filter assembly, guiding device, sedimentation tank (4) and sewer (5), sedimentation tank (4) are located guiding device below, sedimentation tank (4) one side links to each other its characterized in that with sewer (5): the filter assembly is arranged below the sewer opening cover plate (1), and comprises a screen (2), sliding blocks (21) arranged at two ends of the screen (2) and springs (22) connecting the screen (2) and the sliding blocks (21); the municipal drainage system also comprises a drainage bin (7), and a sliding groove (711) corresponding to the sliding block (21) is arranged on the inner wall (71) at the upper part of the drainage bin (7); the flow guide device comprises a flow guide plate (31) arranged on the inner wall (71) at the upper part of the lower water sump (7) and a water retaining block (32) arranged on the flow guide plate (31); the water retaining block (32) is fixedly connected to the guide plate (31), a longitudinal guide groove is formed in the guide plate (31), and the upper portion of the water retaining block (32) is of an arc-shaped structure; a detection channel (6) is further arranged on the right side of the lower water sump (7), and a ladder stand (62) is arranged in the detection channel (6); a mud suction device (43) is arranged in the sedimentation tank (4), and the mud suction device (43) comprises a vent pipe (431) and a mud conveying pipeline (432); breather pipe (431) with defeated mud pipeline (432) all locate in detection passageway (6) inner wall, detection passageway (6) upper end is equipped with top cap (61), top cap (61) with breather pipe (431) with defeated mud pipeline (432) one end contacts.

2. A municipal drainage system according to claim 1, wherein: be equipped with first filter screen (44), second filter screen (41), third filter screen (45) in proper order in sedimentation tank (4), sedimentation tank (4) bottom surface is less than sewer (5) bottom surface.

3. A municipal drainage system according to claim 1, wherein: the guide plate (31) lower extreme is equipped with kickboard (42), kickboard (42) through a connecting rod (421) with guide plate (31) are connected, kickboard (42) cover is located on connecting rod (421).

4. A municipal drainage system according to claim 1, wherein: the detection channel (6) is connected with the lower water sump (7), a detection platform (63) is arranged above the sedimentation tank (4), and the detection platform (63) is arranged at the channel opening of the detection channel (6).