CN205259345U - Greenery patches rain sewage's system of recycling - Google Patents

Abstract

The utility model discloses a reuse system of rainwater and sewage in green areas, which comprises a rainwater collection unit, a processing unit, a water use terminal and a controller. The collection unit includes an ecological planting board laid on the structural layer on the ground. The ecological planting board includes a planting soil layer, a root-blocking layer, a permeable layer, a drainage board and a waterproof layer from top to bottom; the processing unit includes adjacent water storage The sedimentation tank, the purification treatment tank and the reuse water tank; the water storage and sedimentation tank is connected with the collection unit through the rainwater collection pipe; the water inlet of the purification treatment tank is connected with the lower outlet of the water storage and sedimentation tank, and the activated carbon filter is arranged in turn on the purification treatment tank Filter and precision filter and pump the water to the reuse water pool; connect the water replenishment pipeline to the reuse water pool; connect the water terminal to the reuse water pool through the water pipeline. The rainwater reuse system for green land of the utility model can effectively recycle rainwater and reuse it, which is beneficial to promote the development of the sponge city.

Description

A green land rainwater reuse system

technical field

The utility model relates to a reuse system of rainwater and sewage in green land.

Background technique

Sponge city is to strengthen urban planning and construction management, give full play to the absorption, storage, infiltration and slow release of rainwater by buildings, roads, green spaces, water systems and other ecosystems, effectively control rainwater runoff, and realize natural accumulation, natural infiltration and natural purification. way of urban development.

When the traditional way of water resource development can no longer increase the water source, recycling rainwater has become an economical and practical way of water resource development. The use of rainwater as a non-traditional resource has multiple functions: saving water and alleviating water crisis. The combination of rainwater harvesting system technology and green space construction will largely change our life, which is full of desperation due to the depletion of water resources.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art and provide a green land rainwater reuse system, which can effectively recycle rainwater and reuse it, which is beneficial to promote the development of the sponge city.

The purpose of this utility model is achieved in this way: a system for reuse of rainwater and sewage in green areas, including a collection unit for rainwater and sewage, a processing unit, a water terminal and a controller, wherein,

The collection unit includes an ecological planting board laid on the structural layer on the ground, and the ecological planting board includes a planting soil layer, a root-blocking layer, a permeable layer and a drainage board from top to bottom, and is superimposed;

The treatment unit includes a water storage sedimentation tank, a purification treatment tank and a water reuse tank adjacent to each other;

The water storage and sedimentation tank communicates with the collection unit through the rainwater collection pipe. The upper and lower drainage outlets are set on the wall of the water storage and sedimentation tank, and the upper drainage outlet is provided with a drain valve so that it can be received in the water storage and sedimentation tank. The rainwater in the sewage is discharged into the purification treatment tank through the lower outlet, and when the water intake of the storage sedimentation tank is large, the excess water is discharged into the municipal rainwater pipe network or the backup storage tank through the upper outlet; the water storage A first liquid level sensor is set on the sedimentation tank, and the first liquid level sensor measures the water surface height of the rainwater received in the storage sedimentation tank and transmits the height data to the controller;

The water inlet of the purification treatment tank communicates with the lower outlet of the water storage and sedimentation tank. The purification treatment tank is provided with a suction pipeline controlled by a pump, and an activated carbon filter and a precision filter are arranged in sequence on the suction pipeline. And pump the water in the purification treatment pool to the reuse water pool;

A second liquid level sensor is set on the reclaimed water pool, and the second liquid level sensor measures the water surface height of the reclaimed water pool and transmits the height data to the controller; Water supply pipeline;

The water terminal is connected to the reuse water pool through a water pipeline; the water pipeline is controlled by a water pump;

The controller is electrically connected to the drain valve, the first liquid level sensor, the second liquid level sensor, the suction pump, the supplementary water pump and the water pump respectively;

The controller is used to collect water surface height data measured by the first liquid level sensor and select the opening and closing of the drain valve according to the collected data;

The controller is used to collect water surface height data measured by the second liquid level sensor and control the opening and closing of the supplementary water pump according to the collected data, so as to introduce an external water source.

The above-mentioned rainwater reuse system for green land, wherein, the side of the drainage board is provided with a permeable hole, and the permeable hole communicates with a water guide groove buried under the ground, and the water guide groove is connected to the water storage through the rainwater collection pipe. Sedimentation tank connection.

In the above rainwater reuse system for green areas, the lower part of the water storage and sedimentation tank is connected to the sludge tank through a sewage pipeline controlled by a sewage pump.

In the above rainwater reuse system for green land, the root-blocking layer is made of non-woven fabric.

In the above rainwater reuse system for green areas, the permeable layer is made of ceramsite.

The above-mentioned green land rainwater reuse system is characterized in that the planting soil layer is determined to be planting soil or special prepared soil with a thickness of 20-30 cm according to the type of vegetation to be planted.

In the above rainwater reuse system for green areas, the water terminals include green water units, fire water units and landscape pool water units.

The technical scheme of the green land rainwater sewage reuse system of the utility model realizes the rainwater storage and purification functions in the water storage sedimentation tank and the purification treatment tank, and can effectively recycle the rainwater and reuse it. In addition, the water terminal can adjust and store water In order to reduce the pressure of the municipal pipe network, at the same time, the green water unit is directly attached to the green land, which not only beautifies the environment, but also keeps the rainwater in the local area to the maximum extent, which is conducive to alleviating the urban heat island effect and not only improving the economic benefits of the rainwater treatment project , and more importantly, the workload of operation and maintenance has been greatly reduced, and the feasibility and operability of rainwater treatment projects have been greatly increased, which is conducive to promoting the development of sponge cities. Therefore, the reuse system of green land rainwater and sewage of the utility model has great economic benefit, environmental benefit and social benefit.

Description of drawings

Fig. 1 is a structural schematic diagram of a rainwater and sewage reuse system for green areas of the present invention.

detailed description

The utility model will be further described below in conjunction with accompanying drawing.

Please refer to Fig. 1, a system for reuse of rainwater and sewage in green areas of the present invention includes a collection unit 1 for rainwater and sewage, a processing unit 2, a water terminal 3 and a controller 4, wherein:

The collection unit 1 includes an ecological planting board laid on the structural layer on the ground, which includes a planting soil layer 11, a root-resistance layer 12, a permeable layer 13 and a drainage board 14 from top to bottom, and is superimposed; the planting soil Layer 11 is determined to be planting soil or special preparation soil with a thickness of 20 to 30 cm according to the type of vegetation to be planted; the root-blocking layer 12 is laid by non-woven fabrics to prevent the roots of the vegetation from extending downward into the permeable layer 13 and Drainage board 14, to avoid root rot; permeable layer 13 is paved with ceramsite, used to infiltrate rainwater; drainage board 14 is the main part of collection unit 1, has a concave-convex hollow vertical rib structure, can quickly and effectively export rainwater, its There is a permeable hole on the side, and the permeable hole communicates with the water guide groove 15 buried under the ground; the collection unit 1 has the functions of absorbing, storing and exporting rainwater, effectively controlling the runoff of rainwater, and realizing natural accumulation, natural infiltration and slow release;

The processing unit 2 includes a water storage and sedimentation tank 21, a purification treatment tank 22 and a reuse water tank 23 adjacent to each other;

The water storage and sedimentation tank 21 communicates with the water guide tank 16 of the collection unit 1 through the rainwater collection pipe; the upper and lower drain outlets are arranged on the wall of the water storage and sedimentation tank 21, and the upper outlet is provided with a drain valve 211, so that it can be received in the water storage The rainwater in the sedimentation tank 21 is discharged into the purification treatment tank 22 through the lower outlet, and when the water intake of the water storage sedimentation tank 21 is large, the excess water is discharged into the municipal rainwater pipe network 20 or the backup storage tank through the upper outlet; The water storage and sedimentation tank 21 is used to settle the sludge and impurities in the rainwater and sewage; the water storage and sedimentation tank 21 is provided with a first liquid level sensor 210, and the first liquid level sensor 210 measures the rainwater and sewage received in the water storage and sedimentation tank 21. The height of the water surface and the height data are sent to the controller 4; the bottom of the water storage and sedimentation tank 21 is connected to the sludge pool 213 by the sewage pipeline controlled by the sewage pump 212;

The water inlet of the purification treatment tank 22 communicates with the lower outlet of the water storage sedimentation tank 21; the purification treatment tank 22 is provided with a suction pipeline controlled by a water pump 220, and an active carbon filter 221 and a precision filter are arranged in sequence on the suction pipeline. Filter 222 and pump the water volume in the purification treatment tank 22 to the reuse water tank 23;

A second liquid level sensor 230 is arranged on the reused water pool 23; the second liquid level sensor 230 measures the water surface height of the recycled water pool 23 and transmits the height data to the controller 4; The replenishment pipeline 5;

The water terminal 3 is connected to the reuse water pool 23 through a water pipeline; the water pipeline is controlled by a water pump 30; the water terminal 3 includes a green water unit 31, a fire water unit 32 and a landscape pool water unit 33;

The controller 4 is electrically connected to the drain valve 211, the first liquid level sensor 210, the second liquid level sensor 230, the water pump 220, the water pump 30 and the sewage pump 212;

The controller 4 is used to collect the water surface height data measured by the first liquid level sensor 210 and select the opening and closing of the drain valve 211 according to the collected data;

The controller 4 is used to collect the water surface height data measured by the second liquid level sensor 230 and control the opening and closing of the supplementary water pump 50 according to the collected data, and is used to introduce an external water source to ensure the amount of water in the reuse pool 23 .

The working process of the green land rainwater sewage reuse system of the present utility model is as follows: when it rains, the rainwater is absorbed, infiltrated and guided by the collection unit 1 and collected into the gutter 15; the rainwater in the gutter 15 first enters through the rainwater collection pipe The storage and sedimentation tank 21 accumulates and settles, and the sludge and impurities settle at the bottom of the storage and sedimentation tank 21 and are discharged to the sludge tank 212 through the sewage pipe; the water volume in the storage and sedimentation tank 21 continues to increase. When the lower outlet of the water storage and sedimentation tank 21 is connected to the upper part of the purification treatment tank 22, it will automatically flow into the purification treatment tank 22. After the water level in the purification treatment tank 22 rises to a certain height, it will pass through the water pump 220 and the pipeline. The water body is sequentially pumped into the activated carbon filter 221 and the precision filter 222 for filtration, and finally sent to the reuse water pool 23. When needed, turn on the water pump 30 of the water terminal 3 to draw out the clean water. In order to prevent too much rainwater from causing the water storage and sedimentation tank 21 to overflow, the upper outlet of the water storage and sedimentation tank 21 is connected to the overflow pipe 10 connected to the municipal rainwater pipe network 20, and the excess water is discharged to the municipal rainwater pipe network 20 middle. In addition, if it is used as the water unit 31 for greening, the irrigated water body can be recovered by the collection unit 1 and reused. The entire system is controlled by the controller 4 to complete functions such as collection, purification, water supply, water replenishment, and safety protection.

The utility model rain sewage reuse system has the following functions:

1. Water-saving function; effective mitigation and emergency supplement for water shortage and catastrophic water shortage;

2. Control and eliminate pollution discharge; reduce the intensity of urban rainfall runoff and reduce the erosion of soil and pollutants;

3. Flood control and drainage; delay the collection time of urban runoff and reduce the passing intensity of flood peaks;

4. Repair the soil microenvironment, improve the surface ecology; increase soil moisture content, reduce soil nutrient loss, and reduce soil pollution toxicity;

5. Adjust the atmospheric environment, improve living comfort, reduce resource consumption; reduce the heat island effect caused by excessive evaporation and transpiration of surface water.

The above embodiments are only for illustrating the utility model, rather than limiting the utility model. Those skilled in the art can also make various transformations or modifications without departing from the spirit and scope of the utility model. Therefore, all equivalent technical solutions should also belong to the category of the present utility model, and should be defined by each claim.

Claims (7)

1. the dirty water reuse system of greenery patches rain, comprises collector unit, processing unit, the use of rain sewageWater terminal and controller, is characterized in that,

Described collector unit comprises the ecologic planting plate on the structure sheaf that is laid on ground, this ecologic planting plate fromUnder going up extremely, comprise successively planting soil layer, stopping area, permeable formation and drain bar, and stack forms;

Described processing unit comprises the retaining sedimentation basin, purified treatment pond and the reuse pool that adjoin each other;

Described retaining sedimentation basin is communicated with described collector unit by rainwater collection collector, the pond of this retaining sedimentation basinUpper and lower discharge outlet is set on wall, and upper discharge outlet is provided with draining valve, makes to be received in described retaining sedimentation basinIn rain sewage by descending discharge outlet to enter described purified treatment pond, in the time that the inflow of retaining sedimentation basin is large,By upper discharge outlet, the unnecessary water yield is entered to municipal Storm Sewer Network or cistern for subsequent use; Described retaining sedimentation basinOn the first liquid level sensor is set, this first liquid level sensor is measured the rainwater of receiving in described retaining sedimentation basinWater surface elevation and altitude information is sent to described controller;

The water inlet in described purified treatment pond is communicated with the lower discharge outlet of described retaining sedimentation basin, this purified treatmentOn pond, be provided with the pipeline that draws water by suction pump control, on this pipeline that draws water, set gradually charcoal filterBe pumped in described reuse pool with accurate filter and by the water yield in described purified treatment pond;

The second liquid level sensor is set on described reuse pool, and this second liquid level sensor is measured described recycle-waterThe water surface elevation in pond is also sent to described controller by altitude information; On described reuse pool, also connect by moisturizingThe water pipe of pump control;

Described water terminal is connected with described reuse pool by water pipeline; This water pipeline is by using water pumpControl;

Described controller respectively with draining valve, the first liquid level sensor, the second liquid level sensor, suction pump,Small pump be connected with the water pump signal of telecommunication;

Described controller for collect described first liquid level sensor measure water surface elevation data and according to instituteThe switching of draining valve described in the data selection of collecting;

Described controller for collect described second liquid level sensor measure water surface elevation data and according to instituteThe switching of small pump described in the Data Control of collecting, for introducing external water source.

2. the dirty water reuse system of greenery patches according to claim 1 rain, is characterized in that described rowThe side of water plate is provided with permeable hole, this permeable hole be embedded in underground guiding gutter and be communicated with, this guiding gutter is logicalCrossing described rainwater collection collector is connected with described retaining sedimentation basin.

3. the dirty water reuse system of greenery patches according to claim 1 rain, is characterized in that, described in holdThe bottom in water sedimentation pond connects sludge-tank by the blowoff line by dredge pump control.

4. the dirty water reuse system of greenery patches according to claim 1 rain, is characterized in that described resistanceRoot layer is laid and is formed by nonwoven.

5. the dirty water reuse system of greenery patches according to claim 1 rain, is characterized in that, described in oozeLayer is laid and is formed by haydite thoroughly.

6. the dirty water reuse system of greenery patches according to claim 1 rain, is characterized in that described kindPlant soil horizon and determine planting soil or the special preparation soil of thickness 20～30cm according to the vegetation pattern of intending plantation.

7. the dirty water reuse system of greenery patches according to claim 1 rain, is characterized in that described useWater terminal comprises greening water use sector, fire demand water unit and landscape pond water use sector.