CN109879458B - Placement type rainwater runoff filtering and purifying system and purifying body - Google Patents

Placement type rainwater runoff filtering and purifying system and purifying body Download PDF

Info

Publication number
CN109879458B
CN109879458B CN201910171380.8A CN201910171380A CN109879458B CN 109879458 B CN109879458 B CN 109879458B CN 201910171380 A CN201910171380 A CN 201910171380A CN 109879458 B CN109879458 B CN 109879458B
Authority
CN
China
Prior art keywords
purifying
filter layer
layer
filtering
porous
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910171380.8A
Other languages
Chinese (zh)
Other versions
CN109879458A (en
Inventor
陈韬
赵大维
王前朋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing University of Civil Engineering and Architecture
Original Assignee
Beijing University of Civil Engineering and Architecture
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing University of Civil Engineering and Architecture filed Critical Beijing University of Civil Engineering and Architecture
Priority to CN201910171380.8A priority Critical patent/CN109879458B/en
Publication of CN109879458A publication Critical patent/CN109879458A/en
Application granted granted Critical
Publication of CN109879458B publication Critical patent/CN109879458B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a placement type rainwater runoff filtering and purifying system which comprises a plurality of placement type rainwater runoff filtering and purifying bodies arranged side by side, wherein each placement type rainwater runoff filtering and purifying body comprises a grid supporting layer, a first filtering layer and porous chrysotile, a porous plastic hollow ball and a second filtering layer are also arranged in an inner cavity formed by the porous chrysotile, and granular active coke is arranged in a cavity of the second filtering layer. When the rainfall is small, the rainwater is mainly filtered by the first filter layer and the porous chrysotile to remove suspended matters in the water; during medium rainfall runoff, rainwater is mainly filtered by the first filter layer, the porous chrysotile and the second filter layer and is adsorbed and purified by the granular active coke, so that suspended matters in water can be removed, and heavy metal ions, organic matters, colloid particles and the like can be adsorbed and purified; when the heavy rainfall runoff is performed, the lower layer rainwater containing more pollutants is completely filtered and purified, and the upper layer rainwater with less pollution directly flows out after being filtered by the first filter layer and the porous chrysotile.

Description

Placement type rainwater runoff filtering and purifying system and purifying body
Technical Field
The invention relates to the technical field of rainwater treatment, in particular to a placement type rainwater runoff filtering and purifying system and a purifying body.
Background
The runoff refers to rainfall and ice and snow melting water or water flow flowing along the ground surface or underground under the action of gravity when watering the land, the runoff has different types, and rainfall runoff, melting runoff and watering runoff can be provided according to the water flow source, and the rainfall runoff refers to runoff formed by rainfall.
At present, urban road rainwater is directly discharged to enter a municipal pipe network or a nearby river channel and the like, the initial scouring effect of the pavement and the hardened area, rainwater runoff formed by rainwater scouring and the like in construction sites is seriously polluted, the load of a sewage treatment plant is greatly increased, river channel pollution can be caused, and non-point source pollution is serious. In order to reduce the treatment load of sewage treatment plants and reduce the pollution caused by rainwater, it is necessary to carry out rapid primary filtration and purification on rainwater runoff.
Therefore, how to change the current situation that the rainwater runoff pollution aggravates the sewage treatment load in the prior art is a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a placement type rainwater runoff filtering and purifying system and a purifying body, which are used for solving the problems in the prior art, rapidly and primarily filtering and purifying rainwater runoff and reducing the sewage treatment load.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a placement type rainwater runoff filtering and purifying body, which comprises a grid supporting layer, a first filtering layer and porous chrysotile, the first filter layer is arranged on the inner wall of the grid supporting layer, the grid supporting layer and the first filter layer are both hollow cylinders, the porous chrysotile is arranged on the inner wall of the first filter layer, a porous plastic hollow ball and a second filter layer are also arranged in an inner cavity formed by the porous chrysotile, the second filter layer is in a hollow cylinder shape, the cavity of the second filter layer is provided with granular active coke, the grid supporting layer, the first filtering layer, the second filtering layer and the porous plastic hollow spheres are all provided with through holes, the aperture of the through hole of the second filter layer is smaller than that of the through hole of the first filter layer, and the porous plastic hollow ball is arranged at the top of the second filter layer.
Preferably, the bottom of the grid support layer is flat.
Preferably, the placement type rainwater runoff filtering and purifying body further comprises two side bases, and the side bases are respectively arranged at two ends of the cylindrical grid supporting layer.
Preferably, one side base is provided with a fixed head, the other side base is provided with a fixed ring matched with the fixed head, and the fixed head is detachably connected with the fixed ring.
Preferably, the side base is provided with a balancing weight and is made of PP plastic materials.
Preferably, the first filter layer is made of a 150 mesh nylon mesh and the second filter layer is made of a 200 mesh nylon mesh.
Preferably, the grid supporting layer and the porous plastic hollow spheres are both made of PP plastic materials, and the number of the porous plastic hollow spheres is multiple.
The invention also provides a placement type rainwater runoff filtering and purifying system which comprises at least two placement type rainwater runoff filtering and purifying bodies, wherein the placement type rainwater runoff filtering and purifying bodies are arranged side by side, and the axes of the placement type rainwater runoff filtering and purifying bodies are parallel.
Compared with the prior art, the invention has the following technical effects: the invention discloses a placement type rainwater runoff filtering and purifying system, which comprises a plurality of placement type rainwater runoff filtering and purifying bodies arranged side by side, wherein each placement type rainwater runoff filtering and purifying body comprises a grid supporting layer, a first filtering layer and porous chrysotile, the first filtering layer is arranged on the inner wall of the grid supporting layer, the grid supporting layer and the first filtering layer are both hollow cylinders, the porous chrysotile is arranged on the inner wall of the first filtering layer, a porous plastic hollow ball and a second filtering layer are also arranged in an inner cavity formed by the porous chrysotile, the second filtering layer is hollow cylinder, granular active coke is arranged in a cavity of the second filtering layer, and the grid supporting layer, the first filter layer, the second filter layer and the porous plastic hollow ball are all provided with through holes, the aperture of the through holes of the second filter layer is smaller than that of the through holes of the first filter layer, and the porous plastic hollow ball is arranged at the top of the second filter layer. When the rainfall is small, the rainwater is mainly filtered by the first filter layer and the porous chrysotile to remove suspended matters in the water; during medium rainfall runoff, rainwater is mainly filtered by the first filter layer, the porous chrysotile and the second filter layer and is adsorbed and purified by the granular active coke, so that suspended matters in water can be removed, and heavy metal ions, organic matters, colloid particles and the like can be adsorbed and purified; when the rainfall runoff is large, most of rainwater still passes through the first filter layer, the porous chrysotile and the second filter layer for filtration, and is also purified by adsorption of the granular active coke, excessive rainwater passes through the first filter layer and the porous chrysotile and is not purified by adsorption of the granular active coke, so that the lower rainwater containing more pollutants is completely filtered and purified, the rainwater with light upper pollution passes through the first filter layer and the porous chrysotile for filtration and then flows out of the porous plastic hollow sphere, and part of the rainwater with light upper pollution directly flows out of the first filter layer and the porous chrysotile after filtration, so that the water permeability of the purifying body is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed 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 it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a placement type rainwater runoff filtering and purifying body of the present invention;
FIG. 2 is a schematic side view of the standing rainwater runoff filtering and purifying body of the present invention;
FIG. 3 is a sectional structure diagram of the placement type rainwater runoff filtering and purifying body of the invention;
FIG. 4 is a schematic diagram of the rainwater filtration and purification process of the standing type rainwater runoff filtration and purification body of the invention;
FIG. 5 is a schematic structural diagram of the standing type rainwater runoff filtering and purifying system of the invention;
wherein, 1 is the net supporting layer, 2 is first filter layer, 3 is porous chrysotile, 4 is the second filter layer, 5 is granule active coke, 6 is the side base, 7 is the fixed head, 8 is the retainer plate, 9 is porous plastics hollow sphere, and regional arrow is big rainfall runoff flow direction for A, and regional arrow is well rainfall runoff flow direction for B, and regional arrow is little rainfall runoff flow direction for C.
Detailed Description
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.
The invention aims to provide a placement type rainwater runoff filtering and purifying system and a purifying body, which are used for solving the problems in the prior art, rapidly and primarily filtering and purifying rainwater runoff and reducing the sewage treatment load.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-5, fig. 1 is a schematic front view, fig. 2 is a schematic side view, fig. 3 is a schematic sectional view, fig. 4 is a schematic view, and fig. 5 is a schematic structural view of a placement-type runoff filtration and purification system of the present invention.
The invention provides a placement type rainwater runoff filtering and purifying body which comprises a grid supporting layer 1, a first filtering layer 2 and a porous chrysotile 3, wherein the first filtering layer 2 is arranged on the inner wall of the grid supporting layer 1, the grid supporting layer 1 and the first filtering layer 2 are both in a hollow cylindrical shape, the porous chrysotile 3 is arranged on the inner wall of the first filtering layer 2, a porous plastic hollow ball 9 and a second filtering layer 4 are further arranged in an inner cavity formed by the porous chrysotile 3, the second filtering layer 4 is in a hollow cylindrical shape, a particle active coke 5 is arranged in a cavity of the second filtering layer 4, the grid supporting layer 1, the first filtering layer 2, the second filtering layer 4 and the porous plastic hollow ball 9 are all provided with through holes, the pore diameter of the through holes of the second filtering layer 4 is smaller than that of the through holes of the first filtering layer 2, and the.
When the rainfall is small, the rainwater is mainly filtered by the first filter layer 2 and the porous chrysotile 3 to remove suspended matters in the water; during medium rainfall runoff, rainwater is mainly filtered by the first filter layer 2, the porous chrysotile 3 and the second filter layer 4 and is adsorbed and purified by the granular active coke 5, so that suspended matters in water can be removed, and heavy metal ions, organic matters, colloid particles and the like can be adsorbed and purified; during heavy rainfall runoff, most of rainwater still passes through the first filter layer 2, the porous chrysotile 3 and the second filter layer 4 for filtration, and is adsorbed and purified by the granular active coke 5, excessive rainwater passes through the first filter layer 2 and the porous chrysotile 3 and is not adsorbed and purified by the granular active coke 5, so that the lower rainwater containing more pollutants is completely filtered and purified, the rainwater with lighter upper pollution passes through the first filter layer 2 and the porous chrysotile 3 for filtration and then flows out after being filtered by the porous plastic hollow ball 9, and part of the rainwater with lighter upper pollution directly flows out after being filtered by the first filter layer 2 and the porous chrysotile 3, so that the water permeability of the purifying body is ensured, meanwhile, the weight of the porous chrysotile 3 is increased after water absorption, and the stability of the purifying body is enhanced.
Wherein, the bottom of grid supporting layer 1 is flat, can prevent to purify the body and rotate, strengthens purifying body stability.
Specifically, place type rainfall runoff filtration purification body and still include two side bases 6, and side bases 6 set up respectively in cylindric net supporting layer 1's both ends, and side base 6 can improve the purification body structure wholeization degree with purifying body both ends shutoff.
In order to facilitate the fixation of the purifying body and the connection of the purifying body and the adjacent purifying body, a fixing head 7 is arranged on one side base 6, a fixing ring 8 matched with the fixing head 7 is arranged on the other side base 6, and the fixing head 7 is detachably connected with the fixing ring 8.
More specifically, side base 6 sets up the balancing weight, and the reinforcing will purify body stability, prevents to purify the body and rotates, guarantees to purify the body and play the filtration purification effect, and side base 6 is made by the PP plastics material.
In the embodiment, the first filter layer 2 is made of 150-mesh nylon net, the second filter layer 4 is made of 200-mesh nylon net, the size of the through holes of the grid support layer 1 is 0.3-1cm, the diameter of the granular active coke 5 is 8mm, the pore diameter of the porous chrysotile 3 is 1-5mm, the thickness is 5cm, and the diameter of the porous plastic hollow ball 9 is 5-10 cm.
The grid supporting layer 1 and the porous plastic hollow spheres 9 are made of PP plastic materials, the grid supporting layer and the porous plastic hollow spheres are made of light materials, transportation and carrying in practical application are facilitated, and the number of the porous plastic hollow spheres 9 is multiple.
The invention further provides a placement type rainwater runoff filtering and purifying system which comprises at least two placement type rainwater runoff filtering and purifying bodies, wherein the placement type rainwater runoff filtering and purifying bodies are arranged side by side, and the axes of the placement type rainwater runoff filtering and purifying bodies are parallel. Two adjacent purification bodies can also be connected through fixed head 7 and retainer plate 8, and a plurality of purification bodies are established ties, reinforcing filtration purification effect.
According to the placement type rainwater runoff filtering and purifying body, when the rainwater runoff flows in a small rainfall, rainwater is mainly filtered by the first filtering layer 2 and the porous chrysotile 3, and suspended matters in water are removed; during medium rainfall runoff, rainwater is mainly filtered by the first filter layer 2, the porous chrysotile 3 and the second filter layer 4 and is adsorbed and purified by the granular active coke 5, so that suspended matters in water can be removed, and heavy metal ions, organic matters, colloid particles and the like can be adsorbed and purified; when the heavy rainfall runoff flows, most of rainwater still passes through the first filter layer 2, the filtration of the porous chrysotile 3 and the second filter layer 4, and is still purified by the adsorption of the granular active coke 5, and the excessive rainwater passes through the first filter layer 2 and the porous chrysotile 3 and is not purified by the adsorption of the granular active coke 5, so that the rainwater at the lower layer containing more pollutants is completely filtered and purified, the rainwater at the upper layer with light pollution is filtered by the first filter layer 2 and the porous chrysotile 3 and then flows out after being filtered by the porous plastic hollow sphere 9, and part of the rainwater at the upper layer with light pollution directly flows out after being filtered by the first filter layer 2 and the porous chrysotile 3, so that the water permeability of the purifying body is ensured. Different purification processes are carried out to different rainfall, when guaranteeing higher water permeability, rainwater filtration purification treatment efficiency improves. The placement type rainwater runoff filtering and purifying system can comprise a plurality of placement type rainwater runoff filtering and purifying bodies, and the placement type rainwater runoff filtering and purifying bodies are arranged side by side.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (8)

1. The utility model provides a place type rainfall runoff filtration purification body which characterized in that: the porous chrysotile filter comprises a grid supporting layer, a first filter layer and porous chrysotile, wherein the first filter layer is arranged on the inner wall of the grid supporting layer, the grid supporting layer and the first filter layer are both hollow cylinders, the porous chrysotile is arranged on the inner wall of the first filter layer, a porous plastic hollow ball and a second filter layer are further arranged in an inner cavity formed by the porous chrysotile, the second filter layer is hollow cylinder, granular active coke is arranged in a cavity of the second filter layer, the grid supporting layer, the first filter layer, the second filter layer and the porous plastic hollow ball are provided with through holes, the pore diameter of the through holes of the second filter layer is smaller than that of the through holes of the first filter layer, and the porous plastic hollow ball is arranged at the top of the second filter layer.
2. The placement type rainwater runoff filtering and purifying body according to claim 1, wherein: the bottom of the grid supporting layer is a flat bottom.
3. The placement type rainwater runoff filtering and purifying body according to claim 1, wherein: the grid supporting layer is characterized by further comprising two side surface bases, wherein the side surface bases are respectively arranged at two ends of the cylindrical grid supporting layer.
4. The placement type rainwater runoff filtering and purifying body according to claim 3, wherein: one side base is provided with a fixed head, the other side base is provided with a fixed ring matched with the fixed head, and the fixed head is detachably connected with the fixed ring.
5. The placement type rainwater runoff filtering and purifying body according to claim 3, wherein: the side base is provided with a balancing weight and is made of PP plastic materials.
6. The placement type rainwater runoff filtering and purifying body according to claim 1, wherein: the first filter layer is made of a 150-mesh nylon net, and the second filter layer is made of a 200-mesh nylon net.
7. The placement type rainwater runoff filtering and purifying body according to claim 1, wherein: the grid supporting layer and the porous plastic hollow balls are both made of PP plastic materials, and the number of the porous plastic hollow balls is multiple.
8. A standing type rainwater runoff filtration and purification system comprising the standing type rainwater runoff filtration and purification body according to any one of claims 1 to 7, wherein: the number of the placement type rainwater runoff filtering and purifying bodies is at least two, the placement type rainwater runoff filtering and purifying bodies are arranged side by side, and the axes of the placement type rainwater runoff filtering and purifying bodies are parallel.
CN201910171380.8A 2019-03-07 2019-03-07 Placement type rainwater runoff filtering and purifying system and purifying body Active CN109879458B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910171380.8A CN109879458B (en) 2019-03-07 2019-03-07 Placement type rainwater runoff filtering and purifying system and purifying body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910171380.8A CN109879458B (en) 2019-03-07 2019-03-07 Placement type rainwater runoff filtering and purifying system and purifying body

Publications (2)

Publication Number Publication Date
CN109879458A CN109879458A (en) 2019-06-14
CN109879458B true CN109879458B (en) 2020-02-11

Family

ID=66931244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910171380.8A Active CN109879458B (en) 2019-03-07 2019-03-07 Placement type rainwater runoff filtering and purifying system and purifying body

Country Status (1)

Country Link
CN (1) CN109879458B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110482639A (en) * 2019-08-14 2019-11-22 徐州工程学院 A kind of device suitable for administering terraced fields pollution of area source

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205222816U (en) * 2015-11-06 2016-05-11 山东钢铁股份有限公司 City river says that quick oneself of rainwater purifies combination dam system
CN207047995U (en) * 2017-06-12 2018-02-27 重庆交通大学 A kind of rainwater treatment device and sewerage system
CN207793788U (en) * 2018-01-17 2018-08-31 河南省海绵城市工程技术服务中心有限公司 A kind of porous pavement rain infiltration structure
CN109095728A (en) * 2018-09-30 2018-12-28 环境保护部南京环境科学研究所 A kind of rainfall runoff purification device and purification method
CN208533618U (en) * 2018-07-04 2019-02-22 济南银河路桥试验检测有限公司 A kind of road flower bed that can dynamically permeate is to runoff rainwater purification reclamation set

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9352978B2 (en) * 2013-05-29 2016-05-31 Gunderson Llc Treatment of storm water
KR101303849B1 (en) * 2013-08-02 2013-09-04 (주) 젠폴 Module for purifying rain water runoff
US10563392B2 (en) * 2015-08-11 2020-02-18 Mmt, Inc. Stormwater biofiltration system and method
US10138625B2 (en) * 2015-12-28 2018-11-27 Edward Patton Water runoff treatment apparatus
US10640929B2 (en) * 2017-03-24 2020-05-05 Pavedrain, Llc Ground water filtration system
CN107100254B (en) * 2017-06-19 2019-03-12 河海大学 The biology of rainwater economic benefits and social benefits control is detained facility internal drainage system and implementation method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205222816U (en) * 2015-11-06 2016-05-11 山东钢铁股份有限公司 City river says that quick oneself of rainwater purifies combination dam system
CN207047995U (en) * 2017-06-12 2018-02-27 重庆交通大学 A kind of rainwater treatment device and sewerage system
CN207793788U (en) * 2018-01-17 2018-08-31 河南省海绵城市工程技术服务中心有限公司 A kind of porous pavement rain infiltration structure
CN208533618U (en) * 2018-07-04 2019-02-22 济南银河路桥试验检测有限公司 A kind of road flower bed that can dynamically permeate is to runoff rainwater purification reclamation set
CN109095728A (en) * 2018-09-30 2018-12-28 环境保护部南京环境科学研究所 A kind of rainfall runoff purification device and purification method

Also Published As

Publication number Publication date
CN109879458A (en) 2019-06-14

Similar Documents

Publication Publication Date Title
CN106830506B (en) Enhanced nitrogen and phosphorus removal biological retention tank applied to sponge city construction
CN204369656U (en) Rainwater treatment artificial wet land system
CN2913350Y (en) Purifying device for centralization discharge area-source pollution
CN109879458B (en) Placement type rainwater runoff filtering and purifying system and purifying body
CN104528939B (en) Multimedium bacteria bed repairs the device and method of polluted source
CN103570149A (en) Device for removing pollutants from rainwater runoff
CN107100132A (en) A kind of matrix alternative ecology filter dam
CN105481029B (en) It is a kind of to be used for the method and device that various heavy and polycyclic aromatic hydrocarbon collaboration remove in runoff rainwater
CN103936221A (en) Device for efficient control of runoff nitrogen element pollution in mountainous region and city roads
CN105920915A (en) Design method of low impact development storm-water system
CN107628731A (en) Strengthen runoff pollution ecology minimizing technology and roof garden in a kind of roof garden
CN104264773A (en) Flow storage wetland system for treating parking lot rainwater and adjusting microclimate
CN105293706B (en) City sinking gallery type landscape wetland
CN207811369U (en) A kind of change flow velocity polluted-water ecological purification system
CN208071412U (en) A kind of week conduction bacterium algae one microbiological fuel cell ecological water-purifying device
CN207811371U (en) A kind of interior remittance formula flow artificial swamp effluent treatment plant of outer electricity production
CN206220214U (en) A kind of rain water collecting system
CN205442955U (en) Serial -type rainwater is ecological to be filtered and clean collection device
CN206205103U (en) A kind of draining tube core and pumping equipment
CN205152740U (en) Road surface is with brick that permeates water
CN210439424U (en) Biological retention device for removing pollutants
CN206034236U (en) Town road
CN204097826U (en) A kind of folder filtrate water-permeable cement concrete sand base brick is mated formation system
CN204325088U (en) A kind of system of water purifying pollution of area source
CN212609834U (en) Composite aluminum sludge matrix for constructed wetland

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant