CN210133988U - Urban road rainwater modularization intelligence utilizes system - Google Patents
Urban road rainwater modularization intelligence utilizes system Download PDFInfo
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- CN210133988U CN210133988U CN201920293711.0U CN201920293711U CN210133988U CN 210133988 U CN210133988 U CN 210133988U CN 201920293711 U CN201920293711 U CN 201920293711U CN 210133988 U CN210133988 U CN 210133988U
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Abstract
The utility model provides an urban road rainwater modularization intelligence utilizes system, a serial communication port, include: the rainwater collection and purification device comprises a rainwater collection and purification module, a rainwater separation and diversion module and a rainwater recycling module. The rainwater is filtered by the initial rainwater flow discarding and soil and filtering device, and the sludge sintered ceramsite of the water supply plant is used for denitrification and dephosphorization and then enters the rainwater storage unit for utilization. The sensors distributed in the greening soil and the liquid level sensors in the rainwater modules collect information, the single chip microcomputer automatically controls the water pump to start and stop and the valves to be switched, road and greening watering or backwashing of the filtering device is carried out, and intelligent operation of the system is achieved. For cities with abundant rainwater resources, the system can completely meet the water requirements of road watering and greening watering in most of the whole year, and simultaneously effectively improves the flood prevention and disaster prevention capability of the cities. After the system is put into use, good ecological, environmental, social and economic benefits can be obtained.
Description
Technical Field
The utility model relates to a city planning construction field especially relates to an urban road rainwater modularization intelligence utilizes system.
Background
In the process of urban construction, a strategy of earth surface hardening is widely adopted, and hardened cement asphalt roads cannot permeate water and infiltrate, and waterlogging sometimes occurs in low-lying areas; meanwhile, under the condition of shortage of water resources in many cities, a large amount of precious water resources are consumed by daily pavement and greening irrigation, and the contradiction between urban water use is aggravated.
In order to solve the problems, the country advocates sponge city construction vigorously and puts forward relevant construction index requirements. In the "guide opinions on the advancement of sponge city construction" in the office of the State Council, it is pointed out that: the method comprehensively adopts measures such as 'seepage, stagnation, storage, purification, use, discharge' and the like through sponge city construction, furthest reduces the influence of city development and construction on the ecological environment, and takes up and utilizes 70% of rainfall on site.
However, in view of recent construction practices, the following problems are often encountered in construction works for the comprehensive utilization of rainwater on actual roads: 1) the current stage of rainwater utilization lacks of flow discarding treatment on initial rainfall runoff: according to the domestic research report, the first 30% of the road rainwater runoff contains 52.2% -72.1% of TSS, 53% -65.3% of COD, 40.4% -50.6% of TN and 45.8% -63.2% of TP, the initial scouring effect is obvious (Zhang Zhi drainage engineering book [ M ]. Beijing: Chinese building industry Press, 2015), and the initial rainfall runoff needs to be subjected to flow abandoning control in the rainwater utilization process so as to ensure the reliability of the quality of the recovered rainwater; 2) at present, an automatic control means is often lacked in the rainwater utilization process, equipment is controlled manually, and intelligent utilization of rainwater cannot be achieved; 3) the consideration of soil permeability is lacked in the design of infiltration greenbelt, so that the rainwater infiltration efficiency under the actual clay soil environment is poor; 4) the rainwater utilization system after construction does not obviously improve the drainage waterlogging prevention capability of the road, and the problem that the road section after partial transformation is waterlogged when raining still stands out.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can integrate multiple technical means with the systematization mode, to carrying out optimal design under the specific scene, effectively purify the rainwater and utilize multipurposely the rainwater utilizes the system for solve the problem that exists in the middle of the above-mentioned prior art. The utility model discloses a facility that has the relevance with the urban rainfall is proposed the improvement scheme respectively and is integrated to adapt to the main road sponge city in city and reform transform the demand, the system satisfies the water supply demand that most time afforestation was watered and is watered with the road surface is watered all the year through the rainwater of collecting, improves the prevention waterlogging capacity of urban low-lying area under extreme rainfall condition. In the preferred scheme, information can also be collected through the sensors, and the single chip microcomputer controls the system by utilizing the information collected by the sensors and a remote instruction sent by the control center so as to improve the rainwater utilization efficiency of the system and realize complete automation and intellectualization in the collection and utilization process of resources. Meanwhile, the single chip microcomputer can also wirelessly transmit information collected by the system sensor to a control center through the single chip microcomputer, so that the municipal administration department can conveniently evaluate and control the running condition of the system in real time. After the system is put into operation, good ecological and economic benefits can be obtained, and the requirements of energy conservation and emission reduction are met.
The utility model discloses specifically adopt following technical scheme:
the utility model provides an urban road rainwater modularization intelligence utilizes system which characterized in that includes:
the rainwater collection and purification module, the rainwater separation and diversion module and the rainwater reuse module;
the rainwater collecting and purifying module comprises a green stratum lower than a road surface, a filtering layer and a water storage layer from top to bottom; a water guide leakage pipe is embedded in the filter layer; a rainwater overflow pipeline is distributed at the upper end of the water storage layer; the rainwater overflow pipeline is connected with a municipal rainwater pipeline;
the rainwater separation and diversion module comprises an improved rainwater inlet unit and a rainwater sand filtering unit; the water inlet of the improved rainwater inlet unit is provided with a filter screen, and the water outlet of the improved rainwater inlet unit is connected with the water inlet of the rainwater and sand filtering unit and is connected with a municipal sewage pipeline through a ball float valve; the rainwater sand filtration unit comprises a filtration cavity, a bearing layer arranged at the bottom of the filtration cavity and a filtration filling layer arranged on the bearing layer; the upper part of the filtering cavity is connected with a municipal sewage pipeline; the bottom of the filtering cavity is respectively connected with a water guide leakage pipe and a back flushing pipeline through a three-way valve;
the rainwater recycling module comprises a control unit and a submersible pump connected with the control unit and arranged at the bottom of the water storage layer; the submersible pump is connected with the backwashing pipeline and the sprinkling pipeline through a valve; the valve is connected with the control unit.
Preferably, the green stratum is 5-18 cm lower than the road surface, and modified soil with 20-30% of sand and 5% of humus by mass is adopted.
Preferably, the filter layer is a water supply plant sludge sintered ceramsite layer of permeable geotextiles laid up and down; the water storage layer is formed by taking a water storage cavity formed by regenerated plastics as a basic unit.
Preferably, the gradient of the water guide leakage pipe is 3-5 per mill, and the water guide leakage pipe is embedded at the upper part of the filter layer.
Preferably, the filtering and filling layer is formed by filling quartz sand; the supporting layer is composed of a geotextile metal net.
Preferably, the rainwater recycling module further comprises a control unit connected to: a humidity sensor buried in the green ground layer and a liquid level sensor arranged in the water storage layer.
Preferably, the control unit is a single chip microcomputer which is connected with an upper computer through wireless communication; the submersible pump is respectively connected with the greening sprinkling nozzle and the road sprinkling nozzle through the sprinkling pipeline.
The utility model discloses and preferred scheme abandons class, soil and filter equipment through initial stage rainwater and filters, and the mud sintered ceramsite nitrogen and phosphorus removal of water supply plant gets into rainwater savings unit in order to utilize. The sensors distributed in the greening soil and the liquid level sensors in the rainwater modules collect information, the single chip microcomputer automatically controls the water pump to start and stop and the valves to be switched, road and greening watering or backwashing of the filtering device is carried out, and intelligent operation of the system is achieved. For cities in areas with abundant rainwater resources, the system can completely meet the water requirements of road watering and greening watering in most of the whole year, and simultaneously effectively improves the flood prevention and disaster prevention capability of the cities. After the system is put into use, good ecological, environmental, social and economic benefits can be obtained.
Drawings
The invention will be described in further detail with reference to the following drawings and detailed description:
fig. 1 is a schematic view of the overall structure of the embodiment of the present invention;
fig. 2 is a schematic view of an initial drainage state of an improved gully unit according to an embodiment of the present invention;
FIG. 3 is a schematic view of the improved gully unit of the present invention showing the state of rainwater stored and transmitted;
FIG. 4 is a schematic structural view of a rainwater and sand filtering unit according to an embodiment of the present invention;
FIG. 5 is a schematic view showing the structure and position relationship of the rainwater collection and purification module and the rainwater recycling module according to the embodiment of the present invention;
fig. 6 is a schematic diagram of a signal processing flow of a humidity sensor according to an embodiment of the present invention;
fig. 7 is a schematic view of a control process of the submersible pump according to an embodiment of the present invention;
in the figure: 1-green stratum; 2-a valve; 3, filtering by using a filter screen; 4-a gate; 5-floating ball; 6-a rainwater conduit; 7-a three-way valve; 8-water guide leakage pipe; 9-filtering the filling layer; 10-a filter layer; 11-a water storage layer; 12-a rainwater overflow conduit; 13-municipal storm water pipes; 14-backwash line; 15-a submersible pump; 16-greening sprinkling nozzles; 17-road sprinkling nozzles; 18-municipal sewage pipes; 19-a humidity sensor; 20-bearing layer.
Detailed Description
In order to make the features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail as follows:
as shown in fig. 1 to 5, the apparatus of the present embodiment includes: the rainwater collection and purification module, the rainwater separation and diversion module and the rainwater reuse module;
the rainwater collecting and purifying module comprises a green stratum 1 lower than a road surface, a filter layer 10 and a water storage layer 11 from top to bottom; a water guide leakage pipe 8 is embedded in the filter layer 10; a rainwater overflow pipeline 12 is distributed at the upper end of the water storage layer 11; the rainwater overflow pipeline 12 is connected with a municipal rainwater pipeline 13;
the rainwater separation and diversion module comprises an improved rainwater inlet unit and a rainwater sand filtering unit; the water inlet of the improved rainwater inlet unit is provided with a filter screen 3, and the water outlet of the improved rainwater inlet unit is connected with the water inlet of the rainwater and sand filtering unit and is connected with a municipal sewage pipeline 18 through a ball float valve; the rainwater sand filtration unit comprises a filtration cavity, a bearing layer 20 arranged at the bottom of the filtration cavity and a filtration filling layer 9 arranged on the bearing layer 20; the upper part of the filtering cavity is connected with a municipal sewage pipeline 18; the bottom of the filtering cavity is respectively connected with a water guide leakage pipe 8 and a back washing pipeline 14 through a three-way valve 7.
The rainwater recycling module comprises a control unit, a submersible pump 15, a humidity sensor 19 and a liquid level sensor, wherein the submersible pump 15 is connected with the control unit and arranged at the bottom of the water storage layer 11, the humidity sensor 19 is buried in the green ground layer 1, and the liquid level sensor is arranged in the water storage layer 11; the submersible pump 15 is connected with the back flush pipeline 14 and the sprinkling pipeline through the valve 2, and the sprinkling pipeline is respectively connected with the greening sprinkling nozzle 16 and the road sprinkling nozzle 17. The valve 2 is also connected to the control unit.
As shown in fig. 2 and 3, in order to improve two different working states of the gutter inlet unit, the filter screen 3 filters out larger garbage (a grid with the diameter of 50 mm is adopted to filter out garbage with the diameter of more than 50 mm); initial rainwater is discharged directly to the municipal sewer piping 18 (shown in fig. 2) through the gate 4, and later precipitation causes the float 5 to rise, closing the gate 4, and allowing rainwater to flow into the rainwater conduit 6 (shown in fig. 3).
Fig. 4 shows a concrete configuration of the rainwater sand filtering unit. Rainwater enters the rainwater sand filtering unit through the rainwater guide pipe 6, secondary filtering is carried out, smaller impurities are filtered through the filtering filling layer 9 formed by quartz sand, and the bearing layer 20 for supporting the filtering filling layer 9 is formed by a geotextile metal net.
As shown in FIG. 5, in the embodiment, the top of the soil of the green land layer 1 is 5-18 cm lower than the road surface, so that the road runoff can be guided into the green belt. The modified soil in the green land adopts local soil, and 20-30% of sand and 5% of humus are added in mass fraction to meet the requirement of soil permeability required by the embodiment, and meanwhile, the soil fertility can be effectively ensured. Plants planted in green land are mainly plants which are adaptive to local environment, have developed root systems and strong resistance. In a specific use example, the ficus microcarpa (pollution resistance, water-wet resistance and low requirement on soil) and the foxtail coconut are adopted to achieve a good effect. According to the matching to the concrete planting plant root system degree of depth, the soil thickness of green space layer 1 can be designed to about 1 m, according to different plant species of planting under the different environment, the soil layer degree of depth can carry out nimble adjustment. The filter layer 10 is a water supply plant sludge sintered ceramsite layer of permeable geotextile laid up and down, and ceramsite fired by the water supply plant sludge is used as a coarse filter material; the water storage layer 11 is formed by using a water storage cavity formed by recycled plastics as a basic unit. The gradient of the water guide leakage pipe 8 is 3-5 per mill, and the water guide leakage pipe is embedded at the upper part of the filter layer 10. Rainwater collected from the improved rainwater inlet unit is filtered by the rainwater sand filtering unit and then uniformly permeates into the filtering layer 10 through the water guide leakage pipe 8, and the water supply plant sludge sintered ceramsite layers of the water-permeable geotextile laid above and below the filtering layer 10 are purified again. The water storage layer 11 is used for storing rainwater filtered and collected by the upper layer. The rainwater overflow pipeline 12 is connected to the upper part of the water storage layer 11, and when the water storage layer is full of water, redundant water can flow into the municipal rainwater pipeline 13 through the overflow pipe, so that the safety of road drainage is guaranteed. The diameters of all the pipe sections are designed according to the rainfall of the local reappearance period according to the construction conditions of the actual construction area.
In this embodiment, the control unit may adopt a single chip microcomputer or a BIM control terminal. The single chip microcomputer can be connected with a control center of the upper computer through wireless communication, information such as water level, soil humidity and the like obtained by the sensors can be gathered to the control center through the wireless communication, and meanwhile the control center can send an instruction to adjust and set the rainwater recycling of the system.
In the control method provided by the embodiment, the rainwater collected in the water storage layer 11 is lifted by the submersible pump 15 for utilization. The purpose of rainwater recycling is divided into three parts: road sprinkling, greening sprinkling and backwashing of a rainwater and sand filtering unit. Wherein, the humidity sensor 19 in the soil and the liquid level sensor arranged in the water storage layer 11 respectively transmit electric signals to the singlechip so as to respectively control the submersible pump 15 to start and switch with the valve 2 to carry out road watering, greening watering and rainwater and sand filtration unit backwashing. The processing subroutine control block diagram of the humidity sensor 19 and the processing subroutine control block diagram of the valve 2 are shown in fig. 6 and 7, respectively. In addition, singlechip control unit accessible wireless communication gathers information such as water level, soil moisture that the sensor obtained to the control center, and control center can send the instruction simultaneously and adjust and set up the rainwater retrieval and utilization of system.
As shown in fig. 6 and 7, the single chip monitors signals transmitted by the humidity sensor 19 and the liquid level sensor: when the soil humidity is lower than the threshold value, the submersible pump 15 is controlled to pump water to the watering pipeline; when the timing is finished, the submersible pump 15 is turned off. The singlechip starts the valve 2 connected with the backwashing pipeline 14, and the submersible pump 15 pumps water to the backwashing pipeline 14. The rainwater and sand filter unit is used for emptying the stock of the plastic rainwater storage unit before rainstorm comes, reducing the pressure of a road drainage system, avoiding road ponding and urban waterlogging, and can also set back flushing of rainwater through the stock to maintain the whole smoothness of a rainwater channel under the condition that the rainwater and sand filter unit is blocked or at regular time.
The external LCD display screen of this embodiment is used for showing the condition such as humidity, liquid level, adopts the relay to control the switching of valve 2.
The present invention is not limited to the above-mentioned preferred embodiments, and any person can derive other urban road rainwater modular intelligent utilization systems in various forms according to the teaching of the present invention.
Claims (6)
1. The utility model provides an urban road rainwater modularization intelligence utilizes system which characterized in that includes:
the rainwater collection and purification module, the rainwater separation and diversion module and the rainwater reuse module;
the rainwater collecting and purifying module comprises a green stratum lower than a road surface, a filtering layer and a water storage layer from top to bottom; a water guide leakage pipe is embedded in the filter layer; a rainwater overflow pipeline is distributed at the upper end of the water storage layer; the rainwater overflow pipeline is connected with a municipal rainwater pipeline;
the rainwater separation and diversion module comprises an improved rainwater inlet unit and a rainwater sand filtering unit; the water inlet of the improved rainwater inlet unit is provided with a filter screen, and the water outlet of the improved rainwater inlet unit is connected with the water inlet of the rainwater and sand filtering unit and is connected with a municipal sewage pipeline through a ball float valve; the rainwater sand filtration unit comprises a filtration cavity, a bearing layer arranged at the bottom of the filtration cavity and a filtration filling layer arranged on the bearing layer; the upper part of the filtering cavity is connected with a municipal sewage pipeline; the bottom of the filtering cavity is respectively connected with a water guide leakage pipe and a back flushing pipeline through a three-way valve;
the rainwater recycling module comprises a control unit and a submersible pump connected with the control unit and arranged at the bottom of the water storage layer; the submersible pump is connected with the backwashing pipeline and the sprinkling pipeline through a valve; the valve is connected with the control unit.
2. The urban road rainwater modular intelligent utilization system according to claim 1, characterized in that: the filter layer is a water supply plant sludge sintered ceramsite layer of permeable geotextiles laid up and down; the water storage layer is formed by taking a water storage cavity formed by regenerated plastics as a basic unit.
3. The urban road rainwater modular intelligent utilization system according to claim 2, characterized in that: the gradient of the water guide leakage pipe is 3-5 per mill, and the water guide leakage pipe is embedded at the upper part of the filter layer.
4. The urban road rainwater modular intelligent utilization system according to claim 1, characterized in that: the filtering filling layer is formed by filling quartz sand; the supporting layer is composed of a geotextile metal net.
5. The urban road rainwater modular intelligent utilization system according to claim 1, characterized in that: the rainwater recycling module further comprises a connection control unit: a humidity sensor buried in the green ground layer and a liquid level sensor arranged in the water storage layer.
6. The urban road rainwater modular intelligent utilization system according to claim 5, wherein: the control unit is a single chip microcomputer which is connected with an upper computer through wireless communication; the submersible pump is respectively connected with the greening sprinkling nozzle and the road sprinkling nozzle through the sprinkling pipeline.
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| CN110002664A (en) * | 2019-03-08 | 2019-07-12 | 福州大学 | Urban road rainwater modularization intelligent utilizes system and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110002664A (en) * | 2019-03-08 | 2019-07-12 | 福州大学 | Urban road rainwater modularization intelligent utilizes system and control method |
| CN110002664B (en) * | 2019-03-08 | 2024-02-09 | 福州大学 | Urban road rainwater modularized intelligent utilization system and control method |
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