CN106400933B - Roof rainwater source control device and operation method based on sponge city concept - Google Patents
Roof rainwater source control device and operation method based on sponge city concept Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
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Abstract
本发明公开了一种基于海绵城市理念的屋面雨水源头调控装置及运行方法，涉及雨水源头减排和水资源保护技术领域，是一种适用于洁净收集屋顶雨和涵养地下水的方法。本发明的基于海绵城市理念的屋面雨水源头调控装置包括弃流系统、蓄水系统、涵养地下水系统和控制系统，该装置运行时由控制单元接收液位开关和传感器的信号控制弧形闸门、弃流孔阀门的开闭状态，实现城市屋面雨水源头减排和过程控制的目的。本发明设计巧妙、自动化程度高，能够极大地错开地表径流洪峰、削减城市径流污染负荷、节约雨水资源、涵养地下水，有利于缓解城市管网的排水压力，减少洪涝发生的概率，保障人民生命财产安全。
The invention discloses a roof rainwater source control device and operation method based on the concept of sponge city, relates to the technical field of rainwater source emission reduction and water resource protection, and is a method suitable for cleanly collecting roof rain and conserving groundwater. The roof rainwater source control device based on the concept of sponge city of the present invention includes an abandonment system, a water storage system, a groundwater conservation system and a control system. When the device is running, the control unit receives the signals of the liquid level switch and the sensor to control the arc gate, waste water The opening and closing state of the orifice valve realizes the purpose of reducing the emission of rainwater at the source of the urban roof and controlling the process. The invention has ingenious design and high degree of automation, which can greatly stagger the surface runoff peaks, reduce the pollution load of urban runoff, save rainwater resources, and conserve groundwater, which is beneficial to relieve the drainage pressure of the urban pipe network, reduce the probability of floods, and protect people's lives and property. Safety.
Description
Technical Field
The invention relates to the technical field of rainwater source emission reduction and water resource protection, in particular to a roof rainwater source regulating and controlling device based on a sponge city idea and an operation method.
Background
The global shortage of water resources is related to food safety, ecological safety, environmental safety, economic safety and even life safety, and is a major problem to be solved urgently at present. According to official statistics of the water conservancy department, the current water resource shortage situation in China is quite prominent, the quantity of fresh water resources is only 2200 cubic meters per capita, which is only one fourth of the average level of people in the world, and the fresh water resources are one of the countries with the most scarce water resources of the people in the world 13 in the famous 121 th place. In recent years, every rainy season, cities in various regions play the scene of 'seeing the sea' in the cities in turn, which causes serious flood disasters, personal injuries and deaths and property losses. In 2015 for 4 months, a first sponge city construction test point city list is formally published in China, which marks that people and water are more emphasized in the city construction process in China, natural approaches and artificial measures are combined, accumulation, permeation and purification of rainwater in urban areas are realized to the maximum extent on the premise of ensuring the flood prevention and safety of urban drainage, and the utilization of rainwater resources and ecological environment protection are promoted. The sponge city is a city which can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, absorbs water, stores water, seeps water and purifies water in the rainy period, and releases the stored water and utilizes the water when needed. The sponge city idea focuses on increasing the rigid constraint of urban runoff rainwater source emission reduction, urban benign hydrologic cycle is realized through measures such as source emission reduction, midway transfer, tail end regulation and storage, and the infiltration, regulation and storage, purification, utilization and discharge capacity of runoff rainwater are improved. Rainwater collection and utilization are the most direct means for source emission reduction, and are important measures for realizing efficient storage, stagnation and use of rainwater.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the technical problem of providing a roof rainwater source regulating and controlling device based on a sponge city idea and an operation method, overcoming the defects of low intelligentization degree of the existing roof rainwater source emission reduction technology and equipment, insufficient consideration on rainwater pollution in the groundwater conservation technology and the like, improving rainwater collection and utilization efficiency, reducing urban flood and drainage system pressure, reducing urban runoff pollution load, and improving and repairing urban water environment.
The technical scheme is as follows: the invention discloses a roof rainwater source regulating and controlling device based on a sponge city concept, which is used for solving the technical problem and comprises a control system, a flow discarding system, a water storage system and a culvert and underground water system.
The control system comprises a lock chamber, an arc gate, a hinged support, a hoist and a control unit, wherein the lock chamber is vertically arranged and fixed on the outer wall surface of a building, the upper wall surface and the lower wall surface of the lock chamber are respectively provided with a circular water inlet and a circular water outlet, the right wall surface of the lock chamber is provided with a rectangular water outlet, the lower end of the arc gate is connected with the hinged support, and the upper end of the arc gate is connected with the hoist through a steel wire rope.
Abandon a class system including initial stage rainwater abandon class case, floater liquid level switch, illumination sensor and abandon the discharge orifice, initial stage rainwater is abandoned class case vertical arrangement and is fixed at the building outer wall, the upper end that initial stage rainwater was abandoned class case side is equipped with the rectangle water inlet, the lower extreme is equipped with abandons the discharge orifice, the rectangle water inlet is linked together with the rectangle delivery port of lock chamber lateral wall face, floater liquid level switch hangs in initial stage rainwater and abandons class incasement wall upper right side, illumination sensor fixes and abandons class case outer wall at initial stage rainwater.
The water storage system include rainwater collection pipeline, storage water tank, delivery port, overflow pipe and breather pipe, the top of storage water tank is equipped with circular shape water inlet and overflow mouth, the right lower extreme in side is equipped with circular shape delivery port, rainwater collection pipeline upper end links to each other with the circular delivery port of lock chamber, the lower extreme links to each other with the water inlet of storage water tank, the delivery port is equipped with control flap, the overflow pipe comprises vertical section and horizontal segment, vertical section lower extreme links to each other with the overflow mouth of storage water tank, the side of horizontal segment is equipped with vertical ascending breather pipe.
The self-conservation underground water system comprises a rainwater regulation and control box, a self-conservation underground water pipeline, a bearing platform, a culvert pipe and a water seepage hole, wherein the rainwater regulation and control box is in butt joint with an overflow pipe of the water storage system through a pipeline, the self-conservation underground water pipeline is vertically fixed on the bearing platform, the upper end and the lower end of the self-conservation underground water pipeline are respectively communicated with the rainwater regulation and control box and the culvert pipe, and the water seepage hole is formed in the tail end of the culvert pipe.
The control unit is internally provided with a single chip microcomputer and a signal converter, can receive and read signals transmitted by the floating ball liquid level switch and the illumination sensor through a microprogram, and sends control signals to the headstock gear and the electric valve of the abandoning hole.
In the invention, the shape of the chamber is an inverted and vertical 1/4 hollow cylinder, the upper wall surface and the right wall surface of the chamber are both rectangular, the front side surface and the rear side surface of the chamber are 1/4 circles, and the left wall surface and the lower wall surface are curved surfaces with the same curvature and are connected into a whole.
In the invention, the bearing platform is provided with vertical holes, and the number and the interval of the holes are equal to those of the culvert underground water pipelines.
In the invention, the culvert pipe is positioned below the bearing platform and extends to all sides outside the building foundation, the pipe wall of the culvert pipe is provided with a plurality of small water seepage holes, and the tail end of the culvert pipe is also provided with a plurality of water seepage holes.
Preferably, side plates are arranged on the side edges of the radial gate, which are connected with the front side surface and the rear side surface of the lock chamber, and when the radial gate is closed, the side plates are just inserted into the rectangular water inlet of the initial rainwater drainage box.
Preferably, the water inlets at the upper ends of the various pipelines of the self-contained underground water pipeline are sequentially raised from the periphery to the center, and the side surface of the self-contained underground water pipeline inside the rainwater regulation and control box is provided with a plurality of small holes.
Preferably, the culvert pipe is made of materials with corrosion resistance, rust resistance and good pressure resistance.
Preferably, the vent pipe is communicated with the overflow pipe and the top of the rainwater regulation and control box.
Preferably, the culvert underground water pipe passes through the hole of the bearing platform and is connected with the culvert pipe.
Preferably, the top of the bearing platform is 20-30 cm higher than the ground.
Preferably, the pipe wall of the culvert pipe is provided with a plurality of small water seepage holes.
The technical scheme provided by the invention also comprises an operation method of the roof rainwater source regulation and control device based on the sponge city concept, which comprises the following steps:
before rainfall, the whole device is in an initial state, the radial gate is in an open state, and the discharge hole and the water intake are in a closed state;
in the early stage of rainfall, roof rainwater enters a water inlet of the lock chamber through a downpipe and enters a rectangular water inlet of the initial rainwater discarding box through a rectangular water outlet after being blocked by the radial gate, rainwater in the initial rainwater discarding box starts to rise, a floating ball of the floating ball liquid level switch gradually rises along with the rainwater, when the floating ball rises to a preset water level, an internal circuit is connected and a signal is sent to the control unit, after the control unit receives the signal, a power supply of the start-stop machine is connected to close the radial gate, and then the rainwater enters a rainwater collecting pipeline through a circular water outlet of the lock chamber;
the water storage system starts to store water, rainwater is automatically collected into the water storage tank, when the rainwater is abundant, the water level of the water storage tank continuously rises along with the increase of rainfall, after the water storage tank is full of water, the rainwater starts to enter the overflow pipe, the overflow pipe and the water level in the rainwater collection pipeline synchronously rise, when the water level rises to the horizontal section of the overflow pipe, the rainwater starts to enter the rainwater regulation and control tank, then flows into the culvert pipe through the low-level water inlets of the surrounding culvert underground water pipelines and is transported to the underground far away from the building;
fourthly, under the condition of large rainfall, the water level of the rainwater regulating and controlling box gradually rises to submerge the low-level water inlet of the conservation underground water pipeline, rainwater starts to flow into the secondary high-level water inlet to continuously infiltrate clean rainwater into the ground, and after the water level of the rainwater regulating and controlling box gradually rises to submerge the secondary high-level water inlet of the conservation underground water pipeline, rainwater starts to flow into the higher-level water inlet to continuously infiltrate clean rainwater into the ground, so that the water inlets at all levels are submerged step by step, and underground water is continuously replenished;
when the rain is rainy and sunny and the sun comes out, the illumination sensor receives the irradiation of the sunlight and transmits a light intensity signal to the control unit, the control unit starts to time through an internal timer after receiving the signal, when the light intensity signal exceeds 8 hours, the control unit sends a control signal to the electric valve of the flow discarding hole to open the flow discarding hole, the rainwater in the initial rainwater flow discarding box starts to be discharged, and the discharged rainwater is staggered with the road surface runoff flood peak when raining;
after the rainwater in the initial rainwater discarding box is discharged, a floating ball of the floating ball liquid level switch returns to the original lowest position, an internal circuit is disconnected and sends a signal to the control unit, the control unit is connected with a power supply of the hoist to open the radial gate, and meanwhile, a valve of the discarding flow hole is closed, so that the whole device returns to the initial state;
according to the corresponding steps, the process of roof rainwater source regulation and control and groundwater conservation can be realized.
Has the advantages that: the roof rainwater source regulating and controlling device based on the sponge city idea and the operation method thereof have the following beneficial effects:
(1) the flow discarding system, the water storage system and the underground water containing system can effectively reduce rain and sewage confluence and reduce urban flood discharge pressure and urban sewage treatment pressure.
(2) The rainwater collected by the water storage tank can be used as a high-quality water source for greening, washing and landscape water bodies, so that the urban water supply pressure is greatly reduced; can be used as a high-quality water source to supply underground water, not only avoids the pollution of the underground water, but also avoids the ground collapse hazard caused by the excessive exploitation of the underground water.
(3) The illumination sensor can continuously transmit the light intensity signal to the control unit when receiving the illumination of sunlight, the control unit starts to time through the internal timer after receiving the signal, when the light intensity signal is accumulated for more than 8 hours, the control unit starts to send a control signal to the electric valve of the drainage hole to open the drainage hole, the rainwater of the initial rainwater drainage box starts to be discharged, the discharged rainwater is staggered from rainfall runoff flood peaks, and the effective control of the total amount of rainwater runoff and the runoff peak value is realized.
(4) The rainwater regulating and controlling box can improve the rainwater head in the culvert underground water pipeline and improve the rainwater infiltration rate in the culvert pipe; the self-contained underground water pipeline inside the rainwater regulation and control box rises from the periphery to the center in sequence, and the side surface of the self-contained underground water pipeline is provided with a plurality of small holes, so that the rainwater can be prevented from scouring underground soil.
(5) The air pipe in the invention can discharge air remained in a water storage system and a sewage containing system, thereby avoiding high pressure generated in the device and damaging pipelines or other components.
(6) The culvert pipe is provided with a plurality of seepage holes, so that rainwater can timely and efficiently seep into underground soil.
(7) The bearing platform can protect the building foundation and can also fixedly contain the underground water pipeline.
(8) The control unit in the invention is provided with a singlechip and a signal converter, and can receive and read signals transmitted by the floating ball liquid level switch and the illumination sensor through a microprogram and send control signals to the headstock gear and the electric valve of the abandoning hole, thereby realizing the automation of the operation process of the device.
Drawings
FIG. 1 is a schematic structural diagram of a roof rainwater source regulation and control device based on a sponge city concept;
FIG. 2 is a schematic view of the interior of the chamber of FIG. 1;
FIG. 3 is a schematic view of the chamber inlet/outlet structure of FIG. 1 or FIG. 2;
figure 4 is a schematic view of the stent structure of figure 1.
In the figure: 1-a control system, 10-a downpipe, 11-a gate chamber, 111-a circular water inlet, 112-a circular water outlet, 113-a rectangular water outlet, 12-a radial gate, 121-a side plate, 13-a hinged support, 14-a hoist and 15-a control unit; 2-a flow abandoning system, 21-an initial rainwater flow abandoning box, 211-a rectangular water inlet, 22-a floating ball liquid level switch, 23-an illumination sensor and 24-a flow abandoning hole; 3-a water storage system, 31-a rainwater collecting pipeline, 32-a water storage tank, 321-a water inlet, 322-an overflow port, 33-a water intake, 34-an overflow pipe and 35-a vent pipe; 4-a self-conservation underground water system, 41-a rainwater regulation and control box, 42-a self-conservation underground water pipeline, 43-a bearing platform, 44-a self-conservation pipe and 45-a water seepage hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-4, the roof rainwater source regulation and control device based on the sponge city concept comprises a control system 1, a flow abandoning system 2, a water storage system 3 and a self-contained groundwater system 4.
The control system 1 comprises a lock chamber 11, an arc gate 12, a hinged support 13, a hoist 14 and a control unit 15, wherein the lock chamber 11 is vertically arranged and fixed on the outer wall surface of a building, the upper wall surface and the lower wall surface of the lock chamber 11 are respectively provided with a circular water inlet 111 and a circular water outlet 112, the right wall surface is provided with a rectangular water outlet 113, the lower end of the arc gate 12 is connected with the hinged support 13, and the upper end of the arc gate is connected with the hoist 14.
The drainage system 2 comprises an initial rainwater drainage box 21, a floating ball liquid level switch 22, an illumination sensor 23 and a drainage hole 24, the initial rainwater drainage box 21 is vertically arranged and fixed on the outer wall surface of a building, a rectangular water inlet 211 is arranged at the upper end of the side surface of the initial rainwater drainage box 21, the drainage hole 24 is arranged at the lower end of the side surface of the initial rainwater drainage box 21, the rectangular water inlet 211 is communicated with a rectangular water outlet 113 on the side wall surface of the lock chamber 11, the floating ball liquid level switch 22 is hung on the upper right side of the inner wall of the initial rainwater drainage box 21, and the illumination sensor 23 is fixed on the outer wall surface of the initial rainwater drainage box 21.
The water storage system 3 comprises a rainwater collecting pipeline 31, a water storage tank 32, a water intake 33 overflow pipe 34 and a vent pipe 35, the top of the water storage tank 32 is provided with a round water inlet 321 and an overflow port 322, the right lower end of the side surface is provided with a round water intake 33, the upper end of the rainwater collecting pipeline 31 is connected with a round water outlet 112 of the sluice chamber 11, the lower end of the rainwater collecting pipeline is connected with the water inlet 321 of the water storage tank 32, the water intake 33 is provided with a control valve, the overflow pipe 34 consists of a vertical section and a horizontal section, the lower end of the vertical section is connected with the overflow port 322 of the water storage tank 32, and the side surface of the horizontal section is provided with a vertical upward vent pipe 35.
The self-contained underground water system 4 comprises a rainwater regulating and controlling box 41, a self-contained underground water pipeline 42, a bearing platform 43, a culvert pipe 44 and a water seepage hole 45, wherein the rainwater regulating and controlling box 41 is in butt joint with the overflow pipe 34 of the water storage system 3 through a pipeline, the self-contained underground water pipeline 42 is vertically fixed on the bearing platform, the upper end and the lower end of the self-contained underground water pipeline 42 are respectively communicated with the rainwater regulating and controlling box 41 and the culvert pipe 44, and the end of the culvert pipe 44 is provided with the water seepage hole 45.
In this embodiment, before rainfall, the whole device is in the initial state, the radial gate 12 is in the open state, and the drainage hole 24 and the water intake 33 are in the closed state.
In this embodiment, in the early stage of rainfall, roof rainwater enters the water inlet 111 of the lock chamber 11 through the downpipe 10, enters the rectangular water inlet 211 of the initial rainwater discarding box 21 through the rectangular water outlet 113 after being blocked by the radial gate 12, rainwater in the initial rainwater discarding box 21 starts to rise, the floating ball of the floating ball liquid level switch 22 gradually rises along with the rainwater, when the floating ball rises to a predicted water level, the internal circuit is connected and a signal is sent to the control unit 15, after the control unit 15 receives the signal, the power of the hoist 14 is connected to close the radial gate 12, and at this time, rainwater enters the rainwater collection pipeline 31 through the circular water outlet 112 of the lock chamber 11.
In this embodiment, when rainwater enters the rainwater collection pipe through the circular outlet 112 of the gate chamber 11, the water storage system 3 starts storing water, rainwater is automatically collected into the water storage tank 32, when rainwater is abundant, along with the increase of rainfall, the water level of the water storage tank 32 continuously rises, after the water storage tank 32 is full, rainwater starts entering the overflow pipe 34, the water level in the overflow pipe 34 and the rainwater collection pipe 31 rises synchronously, when the water level rises to the horizontal section of the overflow pipe 34, rainwater starts entering the rainwater regulation and control tank 41, then the rainwater flows into the culvert pipe 44 through the low-level water inlet of the two-end culvert underground water pipe 42, and the rainwater is transported to the underground far away from the building.
In this embodiment, under the great condition of rainfall, the water level of rainwater regulation and control case 41 rises gradually and submerges the low level water inlet of culvert groundwater pipeline 42, and the rainwater begins to flow into inferior high level water inlet and continues to submerge clean rainwater underground, rises gradually as the water level of rainwater regulation and control case 41 and submerges inferior high level water inlet of culvert groundwater pipeline 42, and the rainwater begins to flow into higher level water inlet and continues to submerge clean rainwater underground, submerges water inlets at different levels step by step according to this, lasts the supply groundwater.
In this embodiment, when the rain is rainy and sunny and the sun comes out, the illumination sensor 23 receives the irradiation of the sunlight and transmits a light intensity signal to the control unit 15, the control unit 15 starts to time through the internal timer after receiving the signal, when the light intensity signal exceeds 8 hours, the control unit 15 sends a control signal to the electric valve of the flow abandoning hole 24 to open the flow abandoning hole 24, the rainwater in the initial stage rainwater abandoning box 21 starts to be discharged, and the discharged rainwater is staggered from the peak of the road surface runoff when the rainwater falls.
In this embodiment, after the rainwater in the initial rainwater discarding box 21 is drained, the float of the float level switch 22 returns to the original lowest position, the internal circuit is disconnected and a signal is sent to the control unit 15, the control unit 15 switches on the power supply of the hoist 14 to open the radial gate 12, and simultaneously closes the valve of the discarding hole 24, so that the whole device returns to the initial state.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (6)
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| CN201611136477.8A CN106400933B (en) | 2016-12-09 | 2016-12-09 | Roof rainwater source control device and operation method based on sponge city concept |
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| CN201611136477.8A CN106400933B (en) | 2016-12-09 | 2016-12-09 | Roof rainwater source control device and operation method based on sponge city concept |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107558565A (en) * | 2017-10-12 | 2018-01-09 | 北京军秀咨询有限公司 | A kind of water guiding system being applied in sponge urban ecology ground system and construction method |
| CN108035423B (en) * | 2017-12-12 | 2023-05-09 | 中铁建设集团有限公司 | Potential energy pressurized rainwater drainage and storage system and method for sponge city |
| CN109946121B (en) * | 2019-04-24 | 2023-09-15 | 安徽理工大学 | Automatic sampling device for constant-volume sectional water quality analysis of rainwater |
| CN116145908B (en) * | 2023-03-16 | 2023-10-27 | 珠江水利委员会珠江水利科学研究院 | Roof water storage and drainage control device for urban waterlogging prevention |
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