CN218323085U

CN218323085U - A protection filtration system and inlet for stom water

Info

Publication number: CN218323085U
Application number: CN202222398371.2U
Authority: CN
Inventors: 刘建; 刘智超; 张家豪; 刘建清
Original assignee: Shenzhen University
Current assignee: Shenzhen University
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-01-17
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a protection filtration system and inlet for stom water relates to the drainage technology field, including supporting component and silt collection subassembly, the supporting component is used for locating in the pit shaft and placing in the below of the inlet for stom water grate, and the supporting component can bear the pedestrian, the silt collection subassembly is used for locating in the pit shaft and placing in the below of supporting component, and silt collection subassembly can hold back silt in the sewage; the water in the sewage can pass inlet for stom water grate, supporting component and silt collection subassembly in proper order, the utility model discloses a structure that is used for the protection filtration system of inlet for stom water and inlet for stom water can remain original inlet for stom water as far as possible to can effectively avoid the pedestrian to fall and the inlet for stom water pipe to block up.

Description

A protection filtration system and inlet for stom water

Technical Field

The utility model relates to a drainage technical field especially relates to a protection filtration system and inlet for stom water.

Background

The rainwater inlet is a structure for collecting rainwater on a rainwater pipe duct or a confluence pipe duct, rainwater on a street surface firstly flows into a drainage pipe duct through the rainwater inlet through a connecting pipe (rainwater inlet pipe), the rainwater inlet is arranged at a certain distance of a road side ditch and a low-lying place provided with road side stones, and the rainwater inlet is generally arranged at a certain distance of the intersection, the road side ditch and the low-lying place so as to prevent the rainwater from overflowing roads or causing water accumulation on the roads and the low-lying place to hinder traffic.

The traditional gutter inlet is generally constructed and manufactured according to the national standard drawing set 16S518 gutter inlet (the author is China building Standard design research institute, the publisher is China planning and publishing, the publication time is 2016, 10 and 1), and the traditional gutter inlet mainly comprises a gutter inlet grate, a shaft and a gutter inlet pipe, wherein the shaft is vertically arranged, the gutter inlet grate is arranged at an opening at the top end of the shaft, the gutter inlet pipe is communicated with the bottom end of the shaft, and sewage firstly passes through the gutter inlet grate along the ground to enter the shaft and then is discharged through the gutter inlet pipe. Although the conventional gully can collect and drain water, the following problems exist:

1. under the condition that the gully grating is stolen or washed away, pedestrians are easy to fall off;

2. the gully grating can only block sundries, garbage and the like with larger volume, and fine sundries, garbage, sludge and the like can pass through the gully grating to enter the shaft, so that the gully tube is easy to be blocked.

The huge inlet for stom water of quantity has existed on big street alleyway now, especially the urban road, how to reform transform it and make it can effectively avoid the pedestrian to fall and the rainwater mouth manages to block up on original inlet for stom water's basis, and the cost that the minimize simultaneously transformation need be paid is the difficult problem that relevant worker needs to solve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a protection filtration system and inlet for stom water to solve the problem that above-mentioned prior art exists, can remain the structure of original inlet for stom water as far as possible, and can effectively avoid the pedestrian to fall and the inlet for stom water pipe to block up.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a protection filtration system for inlet for stom water, including supporting component and silt collection subassembly, the supporting component is used for locating in the pit shaft and placing in the below of the inlet for stom water grate, and the supporting component can bear the pedestrian, silt collection subassembly is used for locating in the pit shaft and placing in the below of the supporting component, and silt collection subassembly can hold back silt in the sewage; the water in the sewage can sequentially pass through the gully grating, the supporting assembly and the sediment collecting assembly.

Preferably, the supporting assembly comprises a holder and a supporting frame, the holder is fixedly arranged in the shaft and is arranged below the gully grating, the supporting frame is fixedly arranged on the holder and can bear the pedestrian, and the sewage can pass through the holder and the supporting frame and enter the silt collecting assembly.

Preferably, the support frame comprises a first flow guide support plate, a first grate plate, a second flow guide support plate, a third flow guide support plate, a second grate plate and a fourth flow guide support plate;

the first end of the first flow guide supporting plate is fixedly arranged on the first end of the retainer, the second end of the first flow guide supporting plate is used for extending towards the bottom end close to the shaft and close to the center line direction of the shaft, the first end of the first grate plate is fixedly arranged on the second end of the first flow guide supporting plate, the second end of the first grate plate is used for extending towards the bottom end close to the shaft, the first end of the second flow guide supporting plate is fixedly arranged on the second end of the first grate plate, and the second end of the second flow guide supporting plate is used for extending towards the center line direction far away from the bottom end of the shaft and close to the shaft and is fixedly arranged on the middle part of the retainer;

the first end of the third flow guide supporting plate is fixedly arranged on the second end of the retainer, the second end of the third flow guide supporting plate is used for extending towards the direction close to the bottom end of the shaft and the center line of the shaft, the first end of the second grating plate is fixedly arranged on the second end of the third flow guide supporting plate, the second end of the second grating plate is used for extending towards the direction close to the bottom end of the shaft, the first end of the fourth flow guide supporting plate is fixedly arranged on the second end of the second grating plate, and the second end of the fourth flow guide supporting plate is used for extending towards the direction far away from the bottom end of the shaft and the center line of the shaft and is fixedly arranged on the middle part of the retainer;

the sewage can enter a space above the first diversion supporting plate and the second diversion supporting plate and/or a space above the third diversion supporting plate and the fourth diversion supporting plate after passing through the gully grating.

Preferably, the distance between the second end of the first diversion support plate and the bottom surface of the gully grating is not more than 50 mm, and the distance between the first end of the first grating plate and the second end of the first grating plate is 40-60 mm; the distance between the second end of the third diversion support plate and the bottom surface of the gully grating is not more than 50 mm, and the distance between the first end of the second grating plate and the second end of the second grating plate is 40-60 mm.

Preferably, the silt collecting assembly comprises a basket body, a first water-permeable geotextile and at least four stones, the basket body comprises a basket wall body and a basket bottom grate plate, the basket wall body is arranged in the shaft and is arranged below the supporting assembly, the outer wall surface of the basket wall body is the same as the inner wall surface of the shaft in shape, the first end of the basket wall body is used for being close to the top end of the shaft, the first end of the basket wall body is open, the second end of the basket wall body is open, the edge of the basket bottom grate plate is used for being fixedly connected with the edge of the second end of the basket wall body, and the first water-permeable geotextile is laid on the basket bottom grate plate in the basket body and can completely cover the basket bottom grate plate; each the lump stone is used for arranging in on the first geotechnological cloth that permeates water and can suppress first geotechnological cloth that permeates water.

Preferably, still include and purify the subassembly, it is used for locating in the pit shaft and place in the below of subassembly is collected to silt, just it can filter the absorption to purify the subassembly the impurity that can pass in the sewage the geotechnological cloth that permeates water first.

Preferably, the purification assembly comprises a containing basket, a water filtering flower tube and a filtering and adsorbing layer, the outer wall surface of the containing basket is used for being attached to the inner wall surface of the shaft, and the filtering and adsorbing layer is arranged in the containing basket, arranged below the grate plate at the bottom of the basket and capable of filtering and adsorbing impurities in the sewage passing through the first water-permeable geotextile; the water filtering flower tube is used for being communicated with the rainwater inlet pipe, the water filtering flower tube can discharge water purified by the filtering and adsorbing layer to the rainwater inlet pipe, and the water filtering flower tube can block the filtering and adsorbing body of the filtering and adsorbing layer from entering the rainwater inlet pipe.

Preferably, still include anti-overflow flow tube, anti-overflow flow tube is used for locating place in the pit shaft in support assembly's below, anti-overflow flow tube's first end is used for fixed locating on the pipe wall of drainage flower tube, just anti-overflow flow tube's intraductal passageway with drainage flower tube's intraductal passageway is directly linked together, anti-overflow flow tube's second end is used for being close to the top direction of pit shaft extends, just anti-overflow flow tube's second end opening.

Preferably, the filtering and adsorbing body is gravel, the particle size of the gravel is 5-15 mm, and the thickness of the filtering and adsorbing layer in the direction of the center line of the well bore is not less than 250 mm; the overflow preventing pipe is characterized by also comprising a second water-permeable geotextile, wherein the second water-permeable geotextile is used for completely covering the second end opening of the overflow preventing pipe; at least one handle is fixedly arranged on the edge of the opening at the first end of the basket wall body; the first end of the accommodating basket can extend out of the top end opening of the shaft, and at least one handle is fixedly arranged on the opening edge of the first end of the accommodating basket.

The utility model also provides a gutter inlet, including gutter inlet grate, pit shaft, gutter inlet pipe and above-mentioned arbitrary one a protection filtration system for the gutter inlet, the open-top of pit shaft, the gutter inlet grate be used for cover in the open-top of pit shaft, gutter inlet pipe is used for locating the bottom of pit shaft can with the inside intercommunication of pit shaft.

The utility model discloses for prior art gain following technological effect:

the utility model provides a protection filtration system and inlet for stom water, through in the pit shaft, inlet for stom water grate below set up can bear pedestrian's supporting component, realize in the inlet for stom water grate by the water flush away or under the condition of being stolen, even the pedestrian steps on the pit shaft carelessly, also still have the supporting component can bear, catch pedestrian's foot, can effectively avoid the pedestrian to fall in the pit shaft, and under the prerequisite that does not influence normal drainage, the supporting component should be the better the less to the distance on ground; the silt collecting assembly is arranged in the shaft and below the supporting assembly, so that silt doped in sewage is trapped, and the rainwater port pipe can be effectively prevented from being blocked; simultaneously the utility model provides a protection filtration system for inlet for stom water can directly use in original inlet for stom water, needn't change the structure of original inlet for stom water, makes the structure of original inlet for stom water obtain whole reservation and effective utilization, can save the transformation cost to the at utmost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic sectional structure view of a protection and filtration system for a gully and a gully provided by the present invention;

fig. 2 is another sectional schematic view of the protection filter system for the gully and the gully provided by the present invention;

fig. 3 is a schematic view of the protective filter system for a gully and the gully grating and support assembly of the gully of fig. 1.

In the figure: 100-protective filtering system for the gully, 200-gully, 1-supporting assembly, 2-holder, 31-first guide supporting plate, 32-first grate plate, 33-second guide supporting plate, 34-third guide supporting plate, 35-second grate plate, 36-fourth guide supporting plate, 4-basket wall body, 5-basket bottom grate plate, 6-first permeable geotextile, 7-block stone, 8-containing basket, 9-flower tube, 10-filtering adsorption layer, 11-overflow-preventing flow tube, 12-second permeable geotextile, 13-handle, 14-handle, 15-gully grate, 16-shaft and 17-gully pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Example one

As shown in fig. 1 to 3, the present embodiment provides a protection and filtration system 100 for a gully, comprising a support assembly 1 and a sediment collection assembly, wherein the support assembly 1 is arranged in a shaft 16 and is arranged below a gully grate 15, the support assembly 1 can bear pedestrians, the sediment collection assembly is arranged in the shaft 16 and is arranged below the support assembly 1, and the sediment collection assembly can intercept sediment in sewage; the water in the sewage can pass through the gully grating 15, the support assembly 1 and the silt collection assembly in sequence.

Therefore, according to the protection and filtration system 100 for the gully, the support assembly 1 capable of bearing the pedestrian is arranged in the shaft 16 and below the gully grating 15, so that even if the gully grating 15 is washed away by water or stolen, the pedestrian accidentally steps into the shaft 16, the support assembly 1 can also bear and receive the feet of the pedestrian, and the pedestrian can be effectively prevented from falling into the shaft 16, it should be noted that the arrangement position of the support assembly 1 and the distance from the support assembly 1 to the ground need to consider the reaction of the pedestrian after stepping into the ground, and the distance from the support assembly 1 to the ground should be smaller and better on the premise of not affecting normal drainage; the silt collecting assembly is arranged in the shaft 16 and below the supporting assembly 1, so that silt doped in sewage is intercepted, and the blockage of the rainwater inlet pipe 17 can be effectively avoided; meanwhile, the protection and filtration system 100 for the gully provided by the embodiment can be directly applied to the original gully, the structure of the original gully is not required to be changed, the structure of the original gully is completely reserved and effectively utilized, and the transformation cost can be saved to the greatest extent.

Further, the supporting component 1 includes holder 2 and supporting rack, holder 2 is used for fixedly locating in pit shaft 16 and places in inlet for stom water grate 15's below, the supporting rack is used for fixedly locating on holder 2 and can bear the pedestrian, sewage can pass holder 2 and supporting rack and incorporate into silt collection subassembly, the overall dimension of holder 2 and the overall dimension of current inlet for stom water grate 15 should keep unanimous, so that use with current inlet for stom water grate 15 cooperation, also be the handle 14 that can act as the supporting rack simultaneously, be convenient for installation and dismantlement, realize the modularization of holder 2 and supporting rack and use, moreover, the steam generator is simple in structure, and is convenient and practical.

Further, the support frame comprises a first flow guide support plate 31, a first grate plate 32, a second flow guide support plate 33, a third flow guide support plate 34, a second grate plate 35 and a fourth flow guide support plate 36; the first end of the first diversion support plate 31 is used for being fixedly arranged on the first end of the retainer 2, the second end of the first diversion support plate 31 is used for extending towards the bottom end close to the shaft 16 and towards the central line direction close to the shaft 16, the first end of the first grate plate 32 is used for being fixedly arranged on the second end of the first diversion support plate 31, the second end of the first grate plate 32 is used for extending towards the bottom end close to the shaft 16, the first end of the second diversion support plate 33 is used for being fixedly arranged on the second end of the first grate plate 32, and the second end of the second diversion support plate 33 is used for extending towards the central line direction far away from the bottom end of the shaft 16 and close to the shaft 16 and is fixedly arranged on the middle part of the retainer 2; the first end of the third diversion supporting plate 34 is used for being fixedly arranged on the second end of the retainer 2, the second end of the third diversion supporting plate 34 is used for extending towards the bottom end close to the shaft 16 and towards the central line direction close to the shaft 16, the first end of the second grate plate 35 is used for being fixedly arranged on the second end of the third diversion supporting plate 34, the second end of the second grate plate 35 is used for extending towards the bottom end close to the shaft 16, the first end of the fourth diversion supporting plate 36 is used for being fixedly arranged on the second end of the second grate plate 35, and the second end of the fourth diversion supporting plate 36 is used for extending towards the central line direction far away from the bottom end of the shaft 16 and close to the shaft 16 and is fixedly arranged on the middle part of the retainer 2; the water in the sewage can enter the space above the first guide supporting plate 31 and the second guide supporting plate 33 and/or the space above the third guide supporting plate 34 and the fourth guide supporting plate 36 after passing through the gully grating 15; the first guide support plate 31, the first grate plate 32 and the second guide support plate 33 form a funnel-shaped structure, the height difference formed by dislocation of the first guide support plate 31 and the second guide support plate 33 forms a water outlet, the first grate plate 32 is arranged at the water outlet, and the length of the first grate plate 32 is the opening (width) of the rainwater inlet 200; the third flow guide support plate 34, the second grate plate 35 and the fourth flow guide support plate 36 form a funnel-shaped structure, the height difference formed by dislocation of the third flow guide support plate 34 and the fourth flow guide support plate 36 forms a water outlet, the second grate plate 35 is arranged at the water outlet, and the length of the second grate plate 35 is the opening (width) of the rainwater inlet 200; the first diversion support plate 31, the second diversion support plate 33, the third diversion support plate 34 and the fourth diversion support plate 36 all have certain slopes, and the slopes are gentle, can play the effect of reposition of redundant personnel energy dissipation, slow down the rainwater velocity of flow, reduce the erodeing of rainwater runoff, guarantee the filter effect.

Further, the distance from the second end of the first diversion supporting plate 31 to the bottom surface of the gully grating 15 is not more than 50 mm, and the distance from the first end of the first grating plate 32 to the second end of the first grating plate 32 is 40-60 mm; the distance between the second end of the third diversion supporting plate 34 and the bottom surface of the gully grating 15 is not more than 50 mm, the distance between the first end of the second grating plate 35 and the second end of the second grating plate 35 is 40-60 mm, the lowest depth of the supporting assembly 1 is about the normal height of the ankle of a pedestrian from the ground, and the pedestrian can be effectively prevented from falling; the holes of the first and

second grating plates

32 and 35 may be circular (hole diameter size is 10-20 mm) or rectangular (short side length size is 10-20 mm, long side length size is 10-20 mm), wherein it is preferable that the hole size of the first and

second grating plates

32 and 35 is not more than 10% of the hole size area of the gully grating 15, which can filter the larger garbage, and the lowest depth of the support assembly 1 is about the normal height of the ankle from the ground, so that the trapped garbage can be clearly found by the sanitation worker, the sanitation worker can easily clean the garbage by pulling the retainer 2, and the support assembly 1 is preferably made of stainless steel.

Furthermore, the silt collecting assembly comprises a basket body, a first water-permeable geotextile 6 and at least four stones 7, wherein the basket body comprises a basket wall body 4 and a basket bottom grate plate 5, the basket wall body 4 is used for being arranged in the shaft 16 and is arranged below the supporting assembly 1, the shape of the outer wall surface of the basket wall body 4 is the same as that of the inner wall surface of the shaft 16, the first end of the basket wall body 4 is used for being close to the top end of the shaft 16, the first end of the basket wall body 4 is provided with an opening, the second end of the basket wall body 4 is provided with an opening, the edge of the basket bottom grate plate 5 is used for being fixedly connected with the edge of the second end opening of the basket wall body 4, and the first geotextile 6 is used for being laid on the basket bottom grate plate 5 in the basket body and can completely cover the basket bottom grate plate 5; each stone 7 is used for being placed on the first permeable geotextile 6 and can press the first permeable geotextile 6; the silt collection assembly is integrally used as a modularized facility and is convenient to mount and dismount, wherein the actual length, width and height of the basket body can be specifically designed according to the existing rainwater port, the basket body can be made to be more fit with an original shaft 16, the basket wall body 4 is preferably made of stainless steel and is portable and durable, the holes of the grate plate 5 at the bottom of the basket are preferably circular, the diameter size of the holes is preferably 5-10 mm, the first permeable geotextile 6 can effectively trap small silt in rainwater in the basket body, the holes of the grate plate 5 at the bottom of the basket can be set to be in the shape and size, so that the obstruction to drainage can be reduced as much as possible, the side length of each stone 7 is preferably 10-20 mm, the material of each stone 7 is selected to include but not limited to granite, the stones 7 are uniformly distributed on the first permeable geotextile 6 at intervals, and the first permeable geotextile 6 can be prevented from being washed and moved by sewage.

Further, the protection filtration system 100 for inlet for stom water that this embodiment provided still includes the purification subassembly, purifies the subassembly and is used for locating in pit shaft 16 and place in the below that the subassembly was collected to silt, and the purification subassembly can filter the impurity that can pass first geotechnological cloth 6 that permeates water in the absorption sewage, plays last layer purification filtration effect, can adsorb the small suspended solid impurity in the sewage effectively and filter colloid impurity.

Further, the purification assembly comprises a containing basket 8, a water filtering flower tube 9 and a filtering and adsorbing layer 10, wherein the outer wall surface of the containing basket 8 is attached to the inner wall surface of the shaft 16, and the filtering and adsorbing layer 10 is arranged in the containing basket 8, arranged below the grate plate 5 at the bottom of the basket and capable of filtering and adsorbing impurities in the sewage passing through the first water-permeable geotextile 6; the water filtering flower tube 9 is used for being communicated with the rainwater inlet pipe 17, the water filtering flower tube 9 can discharge water purified by the filtering and adsorbing layer 10 into the rainwater inlet pipe 17, the water filtering flower tube 9 can prevent a filtering and adsorbing body of the filtering and adsorbing layer 10 from entering the rainwater inlet pipe 17, the water filtering flower tube 9 has a certain gradient along with the basket bottom of the containing basket 8 and inclines towards the rainwater inlet pipe 17, and a water outlet of the water filtering flower tube 9 is perfectly butted with the rainwater inlet pipe 17, so that sewage in the rainwater inlet 200 is discharged into the rainwater inlet pipe 17 through the certain gradient, no accumulated water is reserved in a purifying assembly, and breeding of mosquitoes can be avoided; in this embodiment, water passing holes with a diameter not greater than 5 mm are uniformly distributed on the water filtering flower tube 9 to prevent the filtering adsorbent from entering the water filtering flower tube 9, so as to avoid blockage; hold basket 8 preferred stainless steel preparation, actual length, width, high reference current inlet for stom water carry out the concrete design, hold basket 8 bottom and have certain slope (unanimous with current inlet for stom water slope), realize the current inlet for stom water of perfect laminating, the whole modularization facility as of purification subassembly, be convenient for install and dismantle.

Further, the protection filtration system 100 for the gutter inlet that this embodiment provided still includes anti-overflow pipe 11, anti-overflow pipe 11 is used for locating in pit shaft 16 and places the below of supporting component 1, the first end of anti-overflow pipe 11 is used for fixedly locating on the pipe wall of drainage floral tube 9, and the intraductal passageway of anti-overflow pipe 11 and the intraductal passageway of drainage floral tube 9 are directly linked together, the second end of anti-overflow pipe 11 is used for extending to the top direction that is close to pit shaft 16, and the second end opening of anti-overflow pipe 11, the rainfall is less, the rainwater is discharged into in the rainwater mouth pipe 17 after purifying through the purification subassembly, when the rainfall is great (like heavy rain, rainstorm, continuous rainfall etc.), the excessive rainwater that surpasss the infiltration of purification subassembly, purification ability directly gets into drainage floral tube 9 from anti-overflow pipe 11 mouths, then discharge rainwater mouth pipe 17, make the rainwater can in time drain away.

Furthermore, the filtering and adsorbing body is gravel, the particle size of the gravel is 5-15 mm, the thickness of the filtering and adsorbing layer 10 in the direction of the central line of the shaft 16 is not less than 250 mm, the quality of the sewage purified by the purifying assembly can reach the V-type standard of surface water, and particularly, the gravel comprises but is not limited to ceramsite, limestone and the like; the protective filtering system 100 for the gully provided by the embodiment further includes a second water-permeable geotextile 12, the second water-permeable geotextile 12 is used for completely covering the second end opening of the overflow preventing pipe 11, the second water-permeable geotextile 12 can prevent silt from blocking the overflow preventing pipe 11, and the first water-permeable geotextile 6 and the second water-permeable geotextile 12 are matched with each other, so that mosquitoes possibly bred by residual accumulated water in the drainage pipe can be prevented from flying out of the gully 200; at least one lifting handle 13 is fixedly arranged at the opening edge of the first end of the basket wall body 4, the basket wall body 4 is provided with the lifting handle 13, so that the silt collecting assembly can be conveniently and modularly mounted and dismounted, and when silt is stored to a certain degree, the lifting handle 13 can be used for lifting and dumping the silt and replacing the first permeable geotextile 6; the first end of the receiving basket 8 can extend out of the top opening of the shaft 16, and at least one handle 14 is fixedly arranged on the opening edge of the first end of the receiving basket 8, so that the modular installation and disassembly of the purification assembly are facilitated.

Example two

The embodiment provides a gully 200, which comprises a gully grate 15, a shaft 16, a gully pipe 17 and any one of the protection and filtration systems 100 for gullies provided in the first embodiment, wherein the shaft 16 is preferably vertically arranged, the top end of the shaft 16 is open, and the gully grate 15 is used for covering the top end of the shaft 16.

Therefore, in the gully 200 provided by the embodiment, the support assembly 1 capable of bearing the pedestrian is arranged in the shaft 16 and below the gully grate 15, so that even if the pedestrian accidentally steps into the shaft 16 under the condition that the gully grate 15 is washed away by water or stolen, the support assembly 1 can bear and receive the feet of the pedestrian, and the pedestrian can be effectively prevented from falling into the shaft 16, it should be noted that the arrangement position of the support assembly 1 and the distance from the support assembly 1 to the ground need to consider the reaction after the pedestrian steps out, and the distance from the support assembly 1 to the ground is preferably smaller on the premise of not affecting normal drainage; the silt collecting assembly is arranged in the shaft 16 and below the supporting assembly 1, so that silt doped in sewage is intercepted, and the blockage of the rainwater port pipe 17 can be effectively avoided; meanwhile, the protection and filtration system 100 for the gully provided by the embodiment can be directly applied to the original gully, the structure of the original gully is not required to be changed, the structure of the original gully is completely reserved and effectively utilized, and the transformation cost can be saved to the greatest extent.

The principle and the implementation mode of the utility model are explained by applying a specific embodiment, and the explanation of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for those skilled in the art, the idea of the present invention may be changed in the specific embodiments and the application range. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A protection filtration system for inlet for stom water which characterized in that: the device comprises a supporting assembly and a sediment collecting assembly, wherein the supporting assembly is arranged in a shaft and placed below a gully grating, the supporting assembly can bear pedestrians, the sediment collecting assembly is arranged in the shaft and placed below the supporting assembly, and the sediment collecting assembly can intercept sediment in sewage; the water in the sewage can sequentially pass through the gully grating, the supporting assembly and the sediment collecting assembly.

2. A protective filter system for a gully according to claim 1, wherein: the supporting assembly comprises a retainer and a supporting frame, the retainer is fixedly arranged in the shaft and is arranged below the gully grating, the supporting frame is fixedly arranged on the retainer and can bear the pedestrian, and sewage can penetrate through the retainer and the supporting frame and enter the silt collecting assembly.

3. A protective filter system for a gully according to claim 2, wherein: the supporting frame comprises a first flow guide supporting plate, a first grate plate, a second flow guide supporting plate, a third flow guide supporting plate, a second grate plate and a fourth flow guide supporting plate;

the sewage can enter the space above the first guide supporting plate and the second guide supporting plate and/or the space above the third guide supporting plate and the fourth guide supporting plate after passing through the gully grating.

4. A protective filter system for a gully according to claim 3, wherein: the distance between the second end of the first diversion bearing plate and the bottom surface of the gully grating is not more than 50 mm, and the distance between the first end of the first grating plate and the second end of the first grating plate is 40-60 mm; the distance between the second end of the third diversion support plate and the bottom surface of the gully grating is not more than 50 mm, and the distance between the first end of the second grating plate and the second end of the second grating plate is 40-60 mm.

5. The protective filter system for a gully according to claim 1, wherein: the silt collecting assembly comprises a basket body, a first water-permeable geotextile and at least four stones, the basket body comprises a basket wall body and a basket bottom grate plate, the basket wall body is arranged in the shaft and is arranged below the supporting assembly, the shape of the outer wall surface of the basket wall body is the same as that of the inner wall surface of the shaft, the first end of the basket wall body is used for being close to the top end of the shaft, the first end of the basket wall body is open, the second end of the basket wall body is open, the edge of the basket bottom grate plate is fixedly connected with the edge of the second end opening of the basket wall body, and the first water-permeable geotextile is laid on the basket bottom grate plate in the basket body and can completely cover the basket bottom grate plate; each stone block is used for being arranged in on the first geotechnical cloth that permeates water and can suppress first geotechnical cloth that permeates water.

6. A protective filter system for a gully according to claim 5, wherein: still including purifying the subassembly, purify the subassembly and be used for locating place in the pit shaft in and in the below of silt collection subassembly, just purify the subassembly and can filter the absorption can pass in the sewage the impurity of the geotechnological cloth that permeates water first.

7. The protective filter system for a gully according to claim 6, wherein: the purification assembly comprises a containing basket, a water filtering flower tube and a filtering and adsorbing layer, wherein the outer wall surface of the containing basket is attached to the inner wall surface of the shaft, and the filtering and adsorbing layer is arranged in the containing basket, arranged below the grate plate at the bottom of the basket and capable of filtering and adsorbing impurities in the sewage passing through the first water permeable geotextile; the water filtering flower tube is used for being communicated with the rainwater inlet pipe, the water filtering flower tube can discharge water purified by the filtering and adsorbing layer to the rainwater inlet pipe, and the water filtering flower tube can block the filtering and adsorbing body of the filtering and adsorbing layer from entering the rainwater inlet pipe.

8. The protective filter system for a gully according to claim 7, wherein: still include anti-overflow flow tube, anti-overflow flow tube is used for locating place in the pit shaft in support assembly's below, anti-overflow flow tube's first end is used for fixed locating on the pipe wall of drainage flower tube, just anti-overflow flow tube's intraductal passageway with drainage flower tube's intraductal passageway is directly linked together, anti-overflow flow tube's second end is used for to being close to the top direction of pit shaft extends, just anti-overflow flow tube's second end opening.

9. The protective filter system for a gully according to claim 8, wherein: the filtering and adsorbing body is gravel, the particle size of the gravel is 5-15 mm, and the thickness of the filtering and adsorbing layer in the direction of the central line of the shaft is not less than 250 mm; the overflow preventing pipe is characterized by also comprising a second water-permeable geotextile, wherein the second water-permeable geotextile is used for completely covering the second end opening of the overflow preventing pipe; at least one handle is fixedly arranged at the edge of the first end opening of the basket wall body; the first end of the accommodating basket can extend out of the top end opening of the shaft, and at least one handle is fixedly arranged on the opening edge of the first end of the accommodating basket.

10. A gutter inlet, characterized in that: the rainwater inlet protection and filtration system comprises a rainwater inlet grate, a shaft, a rainwater inlet pipe and the protection and filtration system for the rainwater inlet as claimed in any one of claims 1 to 9, wherein the top end of the shaft is open, the rainwater inlet grate is used for covering the top end opening of the shaft, and the rainwater inlet pipe is used for being arranged at the bottom end of the shaft and can be communicated with the inside of the shaft.