CN105002973A - Urban rainwater pipeline system capable of effectively supplementing underground water - Google Patents
Urban rainwater pipeline system capable of effectively supplementing underground water Download PDFInfo
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- CN105002973A CN105002973A CN201510395883.5A CN201510395883A CN105002973A CN 105002973 A CN105002973 A CN 105002973A CN 201510395883 A CN201510395883 A CN 201510395883A CN 105002973 A CN105002973 A CN 105002973A
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Abstract
The invention discloses an urban rainwater pipeline system capable of effectively supplementing underground water. The urban rainwater pipeline system includes a plurality of rainwater openings, filtering screens, rainwater connecting pipes and manholes which are quantitatively corresponding to the rainwater openings respectively, municipal rainwater pipes and filtering layers; each rainwater opening is provided with a first channel which is communicated with two ends of the rainwater opening; and each rainwater connecting pipe is provided with a second channel which is communicated with two ends of the rainwater connecting pipe; each municipal rainwater is provided with a third channel which is communicated with two ends of the municipal rainwater; the manholes are provided with cavities; the rainwater openings are connected with the rainwater connecting pipes; the first channels and the second channels are connected together so as to form channels which are communicated with the rainwater openings and the rainwater connecting pipes; the rainwater connecting pipes are connected with the manholes; the second channels are communicated with the cavities of the manholes; the manholes are connected with the municipal rainwater pipes; the cavities of the manholes are communicated with the third channels of the municipal rainwater pipes; the municipal rainwater pipes are provided with water seepage holes which are communicated with the interiors and the exteriors of the pipe walls of the municipal rainwater pipes; the exteriors of the municipal rainwater pipes are provided with the filtering layers; the filtering layers completely cover the water seepage holes; and the filtering screens are arranged at end portions of the rainwater connecting pipes, wherein the end portions of the rainwater connecting pipes are adjacent to the rainwater openings.
Description
Technical field
The present invention relates to draining field and hydrogeology technical field, particularly relate to a kind of urban rainwater pipeline system of effective compensation underground water.
Background technology
Along with the quickening of urbanization process, hardened ground rate improves constantly, and urban population is increased sharply, and water supply volume constantly increases, and environment pollution makes the crisis of water quality type lack of water increasingly sharpen.For meeting the demand of city water resource, people continue to increase the exploitation dynamics for groundwater resources, cause that over-extraction is serious, Urban Underground moisture storage capacity falls sharply, groundwater table constantly declines, the corresponding expansion of underground funnel area.Meanwhile, high ground hardening ratio makes rainfall runoff increase, under ooze that deficiency causes can not recharge groundwater in time, and cause surface settlement, subside and the geological disaster such as cracking.Between flush period, city rainfall runoff as important water resources is arranged by storm sewer is outer in a large number, effectively can not be permeated the ground recharge groundwater, waste is serious, even when meeting with heavy rain and attacking, because storm sewer drainability is limited, can not drain in time, cause city large area to be catchmented, cause urban waterlogging, cause Urban Storm Flood disaster.How in urbanization process, maintain normal rain penetration and compensate urban groundwater and just become a problem demanding prompt solution.
In the prior art, if application number is 201120181406.6, Authorization Notice No. is the utility model patent of CN202099866U, and disclose one " road rain underground recharge device ", this device is made up of inlet for stom water, communicating pipe, recharge well, inlet for stom water was connected with recharge well by communicating pipe, inlet for stom water has two outlet openings, a siphunculus in succession, and another connects bleed off pipe, bleed off pipe is higher than communicating pipe, and the rainwater at rainfall initial stage substantially all flows into recharge well by communicating pipe.Rainwater flows into filtering layer by water-permeable pipe after flowing into recharge well, and filtering layer forms an aquifer, and rainwater is stored in filtering layer and slowly infiltrates to soil.This technology reaches the object being bled back by urban rainwater and compensate underground water, but early-stage rainwater is seriously polluted, and early-stage rainwater is bled back underground likely polluted underground water by this device.In addition, the communicating pipe in this device and recharge well need be laid separately, and underground structure is complicated, and implementation cost is larger.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of urban rainwater pipeline system of effective compensation underground water, simple and practical, cost is low, and rainwater utilization is high, pollution-free to underground water.
A kind of urban rainwater pipeline system of effective compensation underground water that the present invention proposes, comprise multiple inlet for stom water, with the filter screen of inlet for stom water respective amount, with the rainwater liaison tube of inlet for stom water respective amount, with the manhole of inlet for stom water respective amount and municipal rain pipe; Each inlet for stom water has the first passage running through two ends, each rainwater liaison tube has the second channel running through two ends, each municipal rain pipe has the third channel running through two ends, manhole has cavity, inlet for stom water, rainwater liaison tube connect, and first passage, second channel are linked to be the passage being communicated with inlet for stom water, rainwater liaison tube; Rainwater liaison tube is connected with manhole, second channel is communicated with manhole cavity, manhole is connected with municipal rain pipe, the cavity of manhole is communicated with the third channel of municipal rain pipe, municipal administration rain pipe is provided with the water seepage hole be communicated with inside and outside its tube wall, municipal administration rain pipe outside is provided with filtering layer and the complete coated water seepage hole of filtering layer, and filter screen is located at the end of rainwater liaison tube near inlet for stom water one end.
Preferably, the metal screen of filter screen to be aperture be 15 ~ 20mm.
Preferably, thickness of filter bed is 200 ~ 300mm, and filtering layer adopts particle diameter to be that the coarse sand of 5 ~ 15mm and/or gravel are made.
Preferably, water seepage hole diameter is 3-10mm, and spacing is 50-100mm, and the arrangement in star flag shape.
Preferably, rainwater liaison tube is also provided with the water seepage hole inside and outside linker tube wall, is also provided with filtering layer around rainwater liaison tube and the completely coated water seepage hole on it of filtering layer.
Preferably, water seepage hole is located at municipal rain pipe upper half tube wall.
Preferably, municipal rain pipe and/or rainwater liaison tube cross section are circular or rectangle.
Preferably, municipal rain pipe and/or rainwater liaison tube adopt metal material to make, and preferably described metal material is steel and/or cast iron.
Preferably, municipal rain pipe and/or rainwater liaison tube adopt nonmetals to make, preferably described nonmetals be concrete, potter's clay, PVC, HDPE one or more make.
Preferably, municipal rain pipe and/or rainwater liaison tube adopt reinforced concrete to make.
Preferably, municipal administration rain pipe (2) and rainwater liaison tube (4) all adopt PVC plastic to make, the raw material of described PVC plastic comprises by weight: polyvinyl chloride resin 30-40 part, haloflex 5-15 part, acrylic resin 5-15 part, PTT 2-4 part, polyurethane 5-10 part, calcium zinc stabilizer 1-3 part, stearic acid 1-2 part, paraffin, titanium dioxide 0.5-1 part, precipitated calcium carbonate 5-10 part, silicon carbide whisker 2-6 part, glass fiber 1-6 part, alundum (Al2O3) 2-3 part, silica 1-5 parts, mullite 1-3 part, titanate coupling agent 0.2-0.8 part, age resister 1-3 part, sliding agent 1-3 part, silver ion based inorganic antibacterial agent 1-2 part, methyl methacrylate 1-2 part.
Preferably, described PVC plastic adopts double screw extruder to extrude in extrusion, and its body temperature is 110-120 DEG C, a district 130-145 DEG C; Two district 170-174 DEG C; Three district 200-220 DEG C; Four district 235-240 DEG C; Five district 200-215 DEG C; Engine speed is 50-75r/min; Feeder rotating speed is 30-40r/min.
In the present invention, by arranging filter screen, can effectively filter early-stage rainwater, further municipal rain pipe and liaison tube mating reaction, the aquifer that filtering layer is formed, by water seepage hole and the filtering layer mating reaction of setting on it, the water delivery load reducing municipal rain pipe and liaison tube can be realized, improve its conveyance power of water; Filter screen, water seepage hole and filtering layer act synergistically, and rainwater slowly can infiltrate the soil body of surrounding, realizes the compensation to underground water, and result of the present invention is simple, and cost is low, and rainwater utilization is high, pollution-free to underground water; Further municipal rain pipe and rainwater liaison tube all adopt PVC plastic to make, by polyvinyl chloride resin, haloflex, acrylic resin, PTT and polyurethane, methyl methacrylate are acted synergistically, can when ensureing body toughness, improve vicat softening temperature, enhance the heat dispersion of pipeline, the requirement of underground pipeline to toughness can be met, and cost is low, also without the need to adding special installation, the production line in common chlorinated polyvinyl chloride pipe road is adopted; The titanate coupling agent added in addition and silicon carbide whisker, titanium dioxide, precipitated calcium carbonate, silicon carbide whisker, glass fiber, alundum (Al2O3), silica, mullite mating reaction, effectively can add the structure of goods inside, make the mechanical strength between tubing, toughness is obtained for raising; Stearic acid, paraffin make goods more even, improve and extrude lubrication planarization, can strengthen product strength further, can strengthen goods combination property further additionally by the certain extrusion way of employing; Hot strength >=the 50MPa of the present invention's municipal administration rain pipe and rainwater liaison tube, vicat softening temperature >=85 DEG C, density 1520-1550kg/m3; Hydraulic test: crack-free, infiltration; Carrene immersion test: without destroying; Longitudinal welds :≤2.5%; Falling weight impact test TIR:0%; Indices is all obviously better than standard GB/T/T5836.1-2006 specified standard.
The present invention is based on existing municipal storm sewer system to improve, in urban construction, during especially Xincheng District is built, when not increasing construction cost, underground water can be compensate on the one hand, having conserved groundwater resources, alleviate the generation of underground funnel; Another side improves the conveyance power of water of municipal rain pipe, decreases the generation of urban waterlogging.
Accompanying drawing explanation
Fig. 1 is the urban rainwater pipeline system layout plan view of a kind of effective compensation underground water that the present invention proposes;
Fig. 2 is the urban rainwater pipeline system A-A profile of a kind of effective compensation underground water that the present invention proposes;
Fig. 3 is the urban rainwater pipeline system B-B profile of a kind of effective compensation underground water that the present invention proposes;
Fig. 4 is the municipal rain pipe structural representation of the urban rainwater pipeline system of a kind of effective compensation underground water that the present invention proposes.
Detailed description of the invention
As shown in Figure 1,2,3, 4, Fig. 1 is the urban rainwater pipeline system layout plan view of a kind of effective compensation underground water that the present invention proposes, Fig. 2 is the urban rainwater pipeline system A-A profile of a kind of effective compensation underground water that the present invention proposes, Fig. 3 is the urban rainwater pipeline system B-B profile of a kind of effective compensation underground water that the present invention proposes, and Fig. 4 is the municipal rain pipe structural representation of the urban rainwater pipeline system of a kind of effective compensation underground water that the present invention proposes.
With reference to shown in Fig. 1,2,3,4, a kind of urban rainwater pipeline system of effective compensation underground water that the present invention proposes, comprise multiple inlet for stom water 3, with the filter screen 11 of inlet for stom water 3 respective amount, with the rainwater liaison tube 4 of inlet for stom water 3 respective amount, with the manhole 5 of inlet for stom water 3 respective amount and municipal rain pipe 2.Each inlet for stom water 3 has the first passage running through two ends, each rainwater liaison tube 4 has the second channel running through two ends, each municipal rain pipe 2 has the third channel running through two ends, manhole 5 has cavity, inlet for stom water 3, rainwater liaison tube 4 connect, and first passage, second channel are linked to be the passage being communicated with inlet for stom water 3, rainwater liaison tube 4; Rainwater liaison tube 4 is connected with manhole 5, second channel is communicated with manhole 5 cavity, manhole 5 is connected with municipal rain pipe 2, the cavity of manhole 5 is communicated with the third channel of municipal rain pipe 2, municipal administration rain pipe 2 is provided with the water seepage hole 1 be communicated with inside and outside its tube wall, further water seepage hole 3 is located at municipal rain pipe 2 upper half tube wall, and municipal rain pipe 2 outside is provided with filtering layer 9 and the complete coated water seepage hole 1 of filtering layer 9, and filter screen 11 is located at the end of rainwater liaison tube 3 near inlet for stom water 3 one end.
By arranging filter screen, can effectively filter early-stage rainwater, further municipal rain pipe and liaison tube mating reaction, the aquifer that filtering layer 9 is formed, by water seepage hole and the filtering layer mating reaction of setting on it, the water delivery load reducing municipal rain pipe 2 and liaison tube 4 can be realized, improve its conveyance power of water; Filter screen, water seepage hole and filtering layer act synergistically, and rainwater slowly can infiltrate the soil body of surrounding, realizes the compensation to underground water, and result of the present invention is simple, and rainwater utilization is high, pollution-free to underground water.
In a kind of detailed description of the invention, also comprise rain perforaled strainer 12, backfill 8, bed course 10, rain perforaled strainer 12 is located at inlet for stom water 3 water inlet, and rain grid 12 is not higher than pavement of road 6 and sidewalk or road green belt 7, backfill 8 is located at above filtering layer 9, and bed course 10 is located at below filtering layer 9; Rainwater liaison tube 4 is also provided with the water seepage hole 1 inside and outside linker tube wall, is also provided with filtering layer 9 around rainwater liaison tube 4 and the completely coated water seepage hole 1 on it of filtering layer 9.Municipal administration rain pipe 2 and/or rainwater liaison tube 4 cross section are circular or rectangle.Filter screen 11 for aperture be the metal screen of 15 ~ 20mm, preferred 15mm, 16mm, 17mm, 18mm, 19mm, 20mm.Filtering layer 9 thickness is 200 ~ 300mm, preferred 5mm, 7mm, 10mm, 11mm, 13mm, 15mm, and filtering layer 9 adopts particle diameter to be that the coarse sand of 5 ~ 15mm and/or gravel are made.Water seepage hole 1 diameter is 3-10mm, preferred 3mm, 6mm, 8mm, 9mm, 10mm, and spacing is 50-100mm, preferred 50mm, 60mm, 70mm, 80mm, 92mm, 100mm, and the arrangement in star flag shape.Municipal administration rain pipe 2 and/or rainwater liaison tube 4 adopt metal material to make, and further described metal material is steel and/or cast iron.
When rainfall, early-stage rainwater runoff is because of seriously polluted and flow is less, first tackle after foreign material through rain perforaled strainer 12 and flow into inlet for stom water 3, after filter screen 11 filters further, be delivered to municipal rainwater inspection well 5 by rainwater liaison tube 4, deliver to Wastewater Treatment Plant finally by municipal rain pipe 2 and carry out processing or draining into natural water area.Along with rainfall duration extends, Rainfall runoff increases thereupon, the rainwater that municipal administration rain pipe 2 and rainwater liaison tube 4 are collected increases gradually, even become flowing full, while rainwater flows through municipal rain pipe 2 and liaison tube 4, filtering layer 9 is infiltrated by the water seepage hole 1 being located at municipal rain pipe 2 and liaison tube 4, the water delivery load of municipal rain pipe 2 and liaison tube 4 can be reduced, improve its conveyance power of water, filter screen 11, water seepage hole 1 and filtering layer 9 act synergistically, rainwater slowly can infiltrate the soil body of surrounding, realizes the compensation to underground water.
In another kind of detailed description of the invention, municipal rain pipe 2 and/or rainwater liaison tube 4 adopt reinforced concrete to make.
In another kind of detailed description of the invention, municipal rain pipe 2 and/or rainwater liaison tube 4 adopt nonmetals to make, further nonmetals are concrete, potter's clay, PVC, HDPE one or more make, further municipal rain pipe 2 and rainwater liaison tube 4 all adopt PVC plastic to make, the raw material of described PVC plastic comprises by weight: polyvinyl chloride resin 30-40 part, haloflex 5-15 part, acrylic resin 5-15 part, PTT 2-4 part, polyurethane 5-10 part, calcium zinc stabilizer 1-3 part, stearic acid 1-2 part, paraffin, titanium dioxide 0.5-1 part, precipitated calcium carbonate 5-10 part, silicon carbide whisker 2-6 part, glass fiber 1-6 part, alundum (Al2O3) 2-3 part, silica 1-5 parts, mullite 1-3 part, titanate coupling agent 0.2-0.8 part, age resister 1-3 part, sliding agent 1-3 part, silver ion based inorganic antibacterial agent 1-2 part, methyl methacrylate 1-2 part, described PVC plastic adopts double screw extruder to extrude in extrusion, and its body temperature is 110-120 DEG C, a district 130-145 DEG C, two district 170-174 DEG C, three district 200-220 DEG C, four district 235-240 DEG C, five district 200-215 DEG C, engine speed is 50-75r/min, feeder rotating speed is 30-40r/min, by polyvinyl chloride resin, haloflex, acrylic resin, PTT and polyurethane, methyl methacrylate are acted synergistically, can when ensureing body toughness, improve vicat softening temperature, enhance the heat dispersion of pipeline, the requirement of underground pipeline to toughness can be met, and cost is low, also without the need to adding special installation, adopt the production line in common chlorinated polyvinyl chloride pipe road, the titanate coupling agent added in addition and silicon carbide whisker, titanium dioxide, precipitated calcium carbonate, silicon carbide whisker, glass fiber, alundum (Al2O3), silica, mullite mating reaction, effectively can add the structure of goods inside, make the mechanical strength between tubing, toughness is obtained for raising, stearic acid, paraffin make goods more even, improve and extrude lubrication planarization, can strengthen product strength further, can strengthen goods combination property further additionally by the certain extrusion way of employing, hot strength >=the 50MPa of the present invention's municipal administration rain pipe and rainwater liaison tube, vicat softening temperature >=85 DEG C, density 1520-1550kg/m3, hydraulic test: crack-free, infiltration, carrene immersion test: without destroying, longitudinal welds :≤2.5%, falling weight impact test TIR:0%, indices is all obviously better than standard GB/T/T5836.1-2006 specified standard.
The present invention is based on existing municipal storm sewer system to improve, in urban construction, during especially Xincheng District is built, when not increasing construction cost, underground water can be compensate on the one hand, having conserved groundwater resources, alleviate the generation of underground funnel; Another side improves the conveyance power of water of municipal rain pipe, decreases the generation of urban waterlogging.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. the urban rainwater pipeline system of an effective compensation underground water, it is characterized in that, comprise multiple inlet for stom water (3), with the filter screen (11) of inlet for stom water (3) respective amount, with the rainwater liaison tube (4) of inlet for stom water (3) respective amount, with the manhole (5) of inlet for stom water (3) respective amount and municipal rain pipe (2); Each inlet for stom water (3) has the first passage running through two ends, each rainwater liaison tube (4) has the second channel running through two ends, each municipal rain pipe (2) has the third channel running through two ends, manhole (5) has cavity, inlet for stom water (3), rainwater liaison tube (4) connect, and first passage, second channel are linked to be the passage being communicated with inlet for stom water (3), rainwater liaison tube (4); Rainwater liaison tube (4) is connected with manhole (5), and second channel is communicated with manhole (5) cavity; Manhole (5) is connected with municipal rain pipe (2), the cavity of manhole (5) is communicated with the third channel of municipal rain pipe (2), municipal administration rain pipe (2) is provided with the water seepage hole (1) be communicated with inside and outside its tube wall, municipal administration rain pipe (2) outside is provided with filtering layer (9) and the complete coated water seepage hole (1) of filtering layer (9), and filter screen (11) is located at the end of rainwater liaison tube (3) near inlet for stom water (3) one end.
2. the urban rainwater pipeline system of effective compensation underground water according to claim 1, is characterized in that, filter screen (11) for aperture be the metal screen of 15 ~ 20mm.
3. the urban rainwater pipeline system of effective compensation underground water according to claim 1, is characterized in that, filtering layer (9) thickness is 200 ~ 300mm, and filtering layer (9) adopts particle diameter to be that the coarse sand of 5 ~ 15mm and/or gravel are made.
4. the urban rainwater pipeline system of effective compensation underground water according to claim 1, is characterized in that, water seepage hole (1) diameter is 3-10mm, and spacing is 50-100mm, and the arrangement in star flag shape.
5. the urban rainwater pipeline system of effective compensation underground water according to claim 1, it is characterized in that, rainwater liaison tube (4) is also provided with the water seepage hole (1) inside and outside linker tube wall, rainwater liaison tube (4) is around also provided with filtering layer (9) and the completely coated water seepage hole (1) on it of filtering layer (9).
6. the urban rainwater pipeline system of effective compensation underground water according to claim 1, is characterized in that, municipal rain pipe (2) and/or rainwater liaison tube (4) adopt reinforced concrete to make.
7. the urban rainwater pipeline system of effective compensation underground water according to claim 1, it is characterized in that, municipal administration rain pipe (2) and/or rainwater liaison tube (4) adopt metal material to make, and preferably described metal material is steel and/or cast iron.
8. the urban rainwater pipeline system of effective compensation underground water according to claim 1, it is characterized in that, municipal administration rain pipe (2) and/or rainwater liaison tube (4) adopt nonmetals make, preferably described nonmetals be concrete, potter's clay, PVC plastic, HDPE one or more make.
9. the urban rainwater pipeline system of effective compensation underground water according to claim 8, it is characterized in that, municipal administration rain pipe (2) and rainwater liaison tube (4) all adopt PVC plastic to make, the raw material of described PVC plastic comprises by weight: polyvinyl chloride resin 30-40 part, haloflex 5-15 part, acrylic resin 5-15 part, PTT 2-4 part, polyurethane 5-10 part, calcium zinc stabilizer 1-3 part, stearic acid 1-2 part, paraffin, titanium dioxide 0.5-1 part, precipitated calcium carbonate 5-10 part, silicon carbide whisker 2-6 part, glass fiber 1-6 part, alundum (Al2O3) 2-3 part, silica 1-5 parts, mullite 1-3 part, titanate coupling agent 0.2-0.8 part, age resister 1-3 part, sliding agent 1-3 part, silver ion based inorganic antibacterial agent 1-2 part, methyl methacrylate 1-2 part.
10. the urban rainwater pipeline system of effective compensation underground water according to claim 9, is characterized in that, described PVC plastic adopts double screw extruder to extrude in extrusion, and its body temperature is 110-120 DEG C, a district 130-145 DEG C; Two district 170-174 DEG C; Three district 200-220 DEG C; Four district 235-240 DEG C; Five district 200-215 DEG C; Engine speed is 50-75r/min; Feeder rotating speed is 30-40r/min.
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Cited By (6)
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| CN105802068A (en) * | 2016-04-08 | 2016-07-27 | 张哲夫 | PVC (polyvinyl chloride) nano-plastics and preparation method thereof |
| CN105839760A (en) * | 2016-05-27 | 2016-08-10 | 无锡市政设计研究院有限公司 | Urban emergency rainwater drainage system |
| CN107858942A (en) * | 2017-10-13 | 2018-03-30 | 仵社教 | A kind of urban rainwater storage and exhaust system |
| CN110593374A (en) * | 2019-09-25 | 2019-12-20 | 徐世雄 | Sewer system |
| CN111206470A (en) * | 2018-11-21 | 2020-05-29 | 宝锐企业有限公司 | Net-connected drainage pavement device |
| CN114561960A (en) * | 2022-03-22 | 2022-05-31 | 广州宁致建筑工程有限公司 | Protective structure for building deep foundation pit construction and protective method thereof |
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| CN111206470A (en) * | 2018-11-21 | 2020-05-29 | 宝锐企业有限公司 | Net-connected drainage pavement device |
| CN111206470B (en) * | 2018-11-21 | 2022-06-03 | 宝锐企业有限公司 | Net-connected drainage pavement device |
| CN110593374A (en) * | 2019-09-25 | 2019-12-20 | 徐世雄 | Sewer system |
| CN114561960A (en) * | 2022-03-22 | 2022-05-31 | 广州宁致建筑工程有限公司 | Protective structure for building deep foundation pit construction and protective method thereof |
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| CN105002973B (en) | 2017-08-18 |
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