Embedded rainwater utilization system

Abstract

The utility model relates to an embedded rainwater utilization system which comprises a water collecting well, a flow dividing well, a flow abandoning well, a water storage pond and a rainwater treatment device. The flow dividing well is arranged on the left side of the water collecting well, and an overflow pipe is arranged in the flow dividing well and connected with a municipal sewage header pipe; the discarding well is arranged on the right side of the water-collecting well, a floating ball and a discarding pipe are arranged in the discarding well, the left end of the discarding pipe is communicated with the water-collecting well, and the right end is communicated with the reservoir; the water storage tank is arranged on the right side of the discarding well and is a concrete tank body built underground; the right end of the water storage tank is connected with a water replenishing pipe, and the water replenishing pipe is provided with a backflow preventer and connected with a municipal water supply pipe network; the rainwater treatment device is arranged on the ground, the water diversion side of the rainwater treatment device is connected with the water storage pond, the water drainage side of the rainwater treatment device is connected with the civil engineering valve well, and then the rainwater treatment device is connected into a municipal water pipeline. And the pipeline is matched with the original pipeline height.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rainwater treatment and recycling technical field, specifically relates to a kind of embedded rainwater utilization system. BACKGROUND

[0002] Traditional urban drainage idea is mainly drainage, rainwater wells are spread in urban road, surface runoff enters rainwater well, and is discharged to river, lake or sea through urban sewage network, with the continuous development of urbanization construction in our country, city area is larger and larger, and more and more impervious area, early urban drainage construction in our country has been unable to meet the needs of modern city, and the problem of urban waterlogging caused by precipitation is more and more concerned by government and society, so in recent years, urban drainage design is more and more valued, in recent years, the state vigorously promotes the concept of "sponge city", and the monitoring and utilization of rainwater have also become a hot spot of attention, and the establishment of water circulation system in city can greatly save urban water cost, and the water circulation system filters the flow of rainwater and pollutants in rainwater well with the help of rainwater well, and the rainwater is purified by setting corresponding device, and is stored in water storage pool, for urban road watering, greening irrigation and the like. Although many designs of urban water circulation utilization are proposed in prior art, most of them are overall urban water management designs, and for old city, new design cannot be integrated with existing underground pipe network, and reconstruction investment is large, so from the whole country, the coverage rate is not high. CONTENT OF THE UTILITY MODEL

[0003] The utility model solves the technical problem of small rainwater recycling system, which can be embedded in original urban water management network, and has high adaptability to new city and old city.

[0004] The utility model solves the problem by adopting the technical scheme of:

[0005] An embedded rainwater utilization system, including water collecting well, shunt well, abandoned flow well, water storage pool and rainwater treatment device, the water collecting well is an open well with a surface opening; the shunt well is arranged on the left side of the water collecting well, and an overflow pipe is arranged in the shunt well; the flow overflow pipe is connected with the municipal sewage main pipe; the abandoned flow well is arranged on the right side of the water collecting well, and a float ball and an abandoned flow pipe are arranged in the abandoned flow well; the left end of the abandoned flow pipe is communicated with the water collecting well, and the right end is communicated with the water storage pool; the water storage pool is arranged on the right side of the abandoned flow well, and the water storage pool is a concrete pool body built underground; a water replenishing pipe is connected to the right end of the water storage pool, and a backflow preventer is installed on the water replenishing pipe; the water replenishing pipe is connected with the municipal water supply pipe network; the rainwater treatment device is arranged on the ground, and the water inlet side of the rainwater treatment device is connected with the water storage pool, and the water outlet side of the rainwater treatment device is connected with the civil valve well, and then connected with the municipal water pipe.

[0006] Compared with the prior art, the utility model has the beneficial effects that:

[0007] The utility model provides a modularization rainwater recycling system, can access various old and new city pipe network, and the land occupation is small, easy construction, adapts to various ground, underground environment, and is highly compatible with the original pipeline.

[0008] As preferred, the above structure further has the technical solutions of:

[0009] The water collecting well is provided with a sewage intercepting basket, the sewage intercepting basket comprises a basket body, a handle and a fixed net plate, the basket body is submerged in the bottom of the water collecting well, the left side of the basket body is fixed with the well wall, the right side of the basket body is fixed with the fixed net plate, the fixed net plate shields the water hole on the right side of the water collecting well, and the upper end of the fixed net plate is fixed with the upper part of the water collecting well; the sewage intercepting basket is used for filtering the larger garbage pollutants which are flushed into the well along with the surface runoff, so that the water treatment structure is prevented from being blocked.

[0010] The abandoned flow well is divided into an upper water passing cavity and a lower abandoned flow cavity, a control plate is installed at the top of the water passing cavity, the water passing cavity and the abandoned flow cavity are separated by a baffle, floating balls are arranged on the upper side and the lower side of the baffle, the upper floating ball and the lower floating ball are connected by a connecting rod, the upper side of the upper floating ball is provided with a control rod, the control rod penetrates through the control plate and is movably connected with the control plate, and a filter screen is arranged on the water outlet side of the abandoned flow well; the abandoned flow well is used for discharging the rainwater with poor water quality in the initial stage, so that only the rainwater with good water quality is treated.

[0011] The water storage pool is internally filled with PP modules, the middle of the PP modules is reserved with a hole to form a water inlet well, a first water taking well and a second water taking well; the water inlet well is located at the initial section of the water storage pool, is provided with an inspection hole at the top, is provided with an anti-falling net, and is provided with a sludge discharge pump at the bottom; the first water taking well is located at the middle section of the water storage pool, is provided with an inspection hole at the top, is provided with a rainwater lifting pump at the bottom, and the rainwater lifting pump is connected with a rainwater treatment device through a pump pipe; the second water taking well is located at the terminal section of the water storage pool, is provided with a recycled water pump at the bottom, and the recycled water pump is connected with the rainwater treatment device through a pump pipe.

[0012] The PP module is composed of a top plate and a plurality of bottom columns, the top plate is provided with a patterned open hole, and the bottom columns are provided with filter holes; the PP module is divided into a female block and a male block, the bottom column of the female block is provided with a clamping groove at the lower end, the bottom column of the male block is provided with a plug at the lower end, the PP modules are stacked in the water storage pool, and the top of the PP module is covered with a PVC clamping plate.

[0013] The rainwater treatment device is a full-automatic filter and an ultraviolet sterilizer. ACCURACY

[0014] Figure 1 It is a whole facade structure schematic diagram of the utility model;

[0015] Figure 2 It is a whole overhead angle structure schematic diagram of the utility model;

[0016] Figure 3is a structure schematic diagram of the water collecting well from the top view of the utility model;

[0017] Figure 4 is a structure schematic diagram of the water collecting well from the line 1-1 section of the utility model;

[0018] Figure 5 is a structure schematic diagram of the water collecting well from the line 2-2 section of the utility model;

[0019] Figure 6 is a structure schematic diagram of the flow discarding well from the top view of the utility model;

[0020] Figure 7 is a structure schematic diagram of the flow discarding well from the line 3-3 section of the utility model;

[0021] Figure 8 is a structure schematic diagram of the flow discarding well from the line 4-4 section of the utility model;

[0022] Figure 9 is a foundation pit schematic diagram of the water storage pool of the utility model;

[0023] Figure 10 is a single piece structure diagram of the PP module of the utility model;

[0024] Figure 1 1 is a butt joint schematic diagram of the male and female PP modules of the utility model;

[0025] Figure 1 2 is a valve well from the top view angle schematic diagram of the utility model;

[0026] Figure 1 3 is a valve well from the elevation structure schematic diagram of the utility model.

[0027] In the drawings, 1 is a flow discarding well; 2 is a water collecting well; 201 is a sewage intercepting basket; 2011 is a basket body; 2012 is a handle; 202 is a fixed net plate; 3 is a flow discarding well; 301 is a control plate; 302 is a water passing cavity; 303 is a baffle; 304 is a flow discarding cavity; 305 is a control rod; 306 is a filter screen; 307 is an upper floating ball; 308 is a side rod; 309 is a lower floating ball; 4 is a water storage pool; 41 is a sewage pool; 42 is a clean water pool; 43 is a PP module; 4301 is a top plate; 4302 is a bottom column; 5 is a rainwater treatment device; 6 is a valve well; 601 is a drainage hole; 7 is a water replenishing pipe; 8 is a flow overflow pipe; 9 is a water inlet well; 10 is a sludge discharge pump; 11 is a water taking well one; 12 is a rainwater lifting pump; 13 is a water taking well two; 14 is a recycled water pump; and 15 is an inspection hole. DETAILED DESCRIPTION

[0028] The utility model will be further described in connection with the embodiments below, and the purpose is only to better understand the contents of the utility model, therefore, the examples do not limit the protection scope of the utility model.

[0029] In the description of the utility model, it needs to explain that, the terms "center", "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0030] Referring to Figures 1 to 11 The utility model provides a kind of embedded rainwater utilization system, including catch basin 2, diversion well 1, abandoned well 3, water storage pool 4 and rainwater treatment device 5,

[0031] Catch basin 2 is set ground, and it is open open-air well;

[0032] Diversion well 1 is set to the left side of catch basin 2, overflow pipe is equipped inside, and flow overflow pipe 8 is connected with municipal sewage main pipe;

[0033] Abandoned well 3 is set to the right side of catch basin 2, and float ball and abandoned well pipe are arranged inside, the left end of abandoned well pipe is communicated with catch basin 2, and the right end is communicated with water storage pool 4;

[0034] Water storage pool 4 is set to the right side of abandoned well 3, and water storage pool 4 is concrete pool body built in ground;Water storage pool 4 is divided into clean water pool 42 and sewage pool 41, and sewage pool 41 is communicated with abandoned well 3;Clean water pool 42 is connected with valve well 6 by pipeline, and valve well 6 is municipal water control well;

[0035] Rainwater treatment device 5 is set to ground, and its water intake side is connected with sewage pool 41, and its drainage side is connected with clean water pool 42, and then connected with municipal water pipeline.

[0036] Optionally, the catch basin 2 is provided with a sewage interception basket 201, the sewage interception basket 201 includes a basket body 2011, a handle 2012 and a fixed mesh plate 202, the basket body 2011 is submerged in the bottom of the catch basin 2, the left side is fixed with the well wall, the right side is fixed with the fixed mesh plate 202, the fixed mesh plate 202 blocks the water hole on the right side of the catch basin 2, and the upper end is fixed with the upper part of the catch basin 2. The shell of the sewage interception basket 201 is made of PE material, and a stainless steel filter screen 306 is arranged inside. The handle 2012 is made of 304 stainless steel and is used for intercepting larger solid pollutants such as leaves and plastic bags. The catch basin 2 is used before various rainwater outlets or abandoned well 3 for rainwater collection.

[0037] The catch basin 2 includes a main well seat, and the well seat well cylinder is processed to be higher according to the buried depth of the original pipe network, can be prefabricated as a concrete finished well, directly buried for construction, and a detachable well cover is arranged at the top, and an inspection port 15 is reserved.

[0038] Optionally, the flow well 3 is divided into an upper water passing cavity 302 and a lower flow cavity 304, the water passing cavity 302 is provided with a control plate 301 at the top, the water passing cavity 302 is separated from the flow cavity 304 by a baffle 303, the upper and lower sides of the baffle 303 are respectively provided with floating balls, the upper and lower floating balls 309 are connected by a connecting rod 308, the upper floating ball 307 is provided with a control rod 305 at the upper side, the control rod 305 penetrates through the control plate 301 and is movably connected with the control plate 301, and a filter screen 306 is arranged at the water outlet side of the flow well 3. The pore size of the filter screen 306 is 2mm, which is used for intercepting particle suspended matters; the double floating balls can control rainwater discharge, the early rainwater with poor water quality is discharged, and the rainwater with good water quality is discharged into the water storage tank 4.

[0039] The flow well 3 can also be a prefabricated well shaft, the well shaft can be processed to be higher according to the pipe network, a foundation pit is excavated during construction, the prefabricated flow well 3 is sunk into the pit, and then the flow well 3 is connected with the urban underground pipeline and directly backfilled with soil. A detachable well cover is arranged at the top of the flow well 3, and an inspection opening 15 is reserved; the shell of the flow well 3 is made of PE material, the baffle 303, the control plate 301 and the filter are all made of 304 stainless steel.

[0040] During construction of the utility model, the foundation pit is excavated according to the existing pipe network structure, the foundation pit is excavated according to the requirements of the specification and relevant protection facilities are well prepared to prevent the collapse of the foundation pit and surrounding buildings, and temporary drainage facilities are arranged in the foundation pit to ensure the effectiveness and safety during construction. Each side of the foundation pit of the water storage tank 4 should be reserved with an operation space of not less than 800mm, a 100mm-thick cushion layer is poured by using C20 plain concrete after the foundation pit of the water storage tank 4 is excavated, a reinforced concrete base layer is constructed on the cushion layer, the reinforcement is 12@200 double-layer double-directional reinforcement, and the concrete grade is C25; the surface of the reinforcement is leveled by using cement mortar to ensure the flatness of the water storage tank 4 and facilitate the arrangement of the PP module 43.

[0041] The water storage tank 4 is wrapped with a layer of 900g / m2 geomembrane, an extruded polypropylene plate is arranged on the outside of the bottom of the tank to cover and protect the tank and isolate the tank from the soil outside, prevent the water in the water storage tank 4 from penetrating out and the pollutants in the soil from penetrating into the water storage tank 4 to cause pollution, and ensure the integrity and stability of the whole system; a concrete plate is fixed on the top of the water storage tank 4 to integrally cover the water storage tank 4, the concrete plate is underground and the surface is covered with soil to plant green plants.

[0042] The water storage tank 4 is filled with the PP module 43, the sewage tank 41 and the clean water tank 42 are separated by wrapping the PP module 43 with a waterproof cloth, specifically, the clean water tank 42 is usually smaller than the sewage tank 41, and the sewage tank 41 is provided with a sewage inlet 410 and a sewage outlet 411. Figure 2As shown, according to the size of the clean water pool 42 and the sewage pool 41, a certain number of PP modules 43 are coded into the clean water pool 42, and then the PP modules 43 are wrapped to form water insulation; then the waterproof cloth and waterproof film are laid in the sewage pool 41, and the PP modules 43 are filled, so that the water storage pool 4 is divided into two independent containing cavities. The PP modules 43 in the sewage pool 41 are reserved with a hole in the middle to form a water inlet well 9; the PP modules 43 in the clean water pool 42 are reserved with holes to form a water taking well one 11 and a water taking well two 13 respectively; the top of the water inlet well 9 is provided with an inspection port 15 and is installed with an anti-falling net, and the bottom is installed with a sludge pump 10, which is connected with the municipal sewage pipe through a pump pipe; the top of the water taking well one 11 is provided with an inspection port 15, and the bottom is installed with a rainwater lifting pump 12, which is connected with the rainwater treatment device 5 through a pump pipe; the bottom of the water taking well two 13 is installed with a recycled water pump 14, which is connected with the rainwater treatment device 5 through a pump pipe.

[0043] The rainwater collected by the utility model is used for municipal greening irrigation and ground watering, and in order to maintain the environment in the pool, a water supplement pipe 7 is further arranged, the water supplement pipe 7 is connected with the water taking well two 13, the water supplement pipe 7 is connected with the municipal water supply pipe network, and the water supplement pipe 7 is installed with a backflow preventer. The water supplement pipe 7 is a water source used in the municipal pipe network, and the utility model takes the water supplement pipe 7 as the supplementary water of the system and maintains the basic water level in the water storage pool.

[0044] The PP module 43 is composed of a top plate 4301 and a plurality of bottom columns 4302, the top plate 4301 is provided with patterned hollow holes, and the bottom columns 4302 are provided with filter holes in the surfaces; the PP module 43 is divided into two kinds of female blocks and male blocks, the bottom columns 4302 of the female blocks are provided with clamping grooves at lower ends, the bottom columns 4302 of the male blocks are provided with plugs at lower ends, and the PP modules 43 are stacked in the water storage pool 4; the top of the PP module 43 is covered with a PVC clamping plate.

[0045] As shown in the utility model, the framework is combined by eight column PP modules, the size of a single module is 1000*500*250mm (h) or 1000*1000*250mm (h), the vertical compressive strength of a single module is greater than or equal to 350KN / m2, the lateral compressive strength of a single module is greater than or equal to 150KN / m2, the weight of a single cubic module is greater than or equal to 60kg, the top surface bearing (the thickness of the top surface cover is 0.8-2.5m), the water storage pool 4 is wrapped with a layer of 900g / m2 geomembrane, and the geomembrane needs to be covered with an extruded polypropylene plate except the bottom of the pool bottom to achieve isolation from the soil outside, prevent the water in the inside from penetrating out and the pollutants in the soil from penetrating into the inside to cause pollution, and ensure the integrity and stability of the whole system.

[0046] Each inspection port 15, the well lid is a temporary well lid, when being arranged in the green belt, the well lid of hard polyvinyl chloride material can be adopted, when the minimum monthly average temperature of outdoor environment temperature is below -10 DEG C, the well lid of polymer base composite material is adopted, and the well lid should not be lower than the ground.

[0047] The rainwater treatment device 5 comprises a full-automatic filter and a sterilizer, the full-automatic filter is designed to have a water precision of 200 mu m, when the water inlet and outlet pressure difference reaches 0.05 MPa or a certain time is set, the system automatically enters a backwashing process, the backwashing water amount accounts for about 1% of the treated water amount, the equipment does not stop running in the backwashing process, each parameter of the self-cleaning filter can be adjusted according to actual working conditions, and the rainwater treatment device is convenient to operate, maintenance-free and long in service life; the sterilizer is an ultraviolet sterilizer, high-efficiency UV-C (LL or LH) ultraviolet lamps are selected, world-leading low-pressure high-strength ultraviolet lamp tubes are selected, the service life is above 8000-10000 hours, the ultraviolet sterilizer selects high-transmittance and high-purity quartz sleeves, and the ultraviolet transmittance is ensured to be above 90%.

[0048] The valve well 6 is constructed by masonry, the bottom of the valve well 6 should be provided with a drainage hole 601, and the drainage is also connected to the rainwater well through a pipeline; the valve well 6 in the utility model is a water supply control well of a municipal pipe network, and one end is connected to a terminal for fire-fighting water and greening water.

[0049] The rainwater treatment device, the sludge pump, the rainwater lifting pump and the recycled water pump and various electric control valves are connected to a rainwater control cabinet, and the rainwater control cabinet can be arranged beside the rainwater treatment device.

[0050] The above only describes preferred and feasible embodiments of the utility model, and does not limit the scope of the utility model, and equivalent changes made by applying the utility model specification and its drawings are included in the scope of the utility model.

Claims

1. An embedded rainwater utilization system, comprising a catchment well, a diversion well, a discard well, a water storage pool and a rainwater treatment device, characterized in that: the catchment well is arranged on the ground surface and is an open well; the diversion well is arranged on the left side of the catchment well and is internally provided with an overflow pipe connected with a municipal sewage main pipe; the discard well is arranged on the right side of the catchment well and is internally provided with a float ball and a discard pipe, the left end of the discard pipe is communicated with the catchment well, and the right end is communicated with the water storage pool; the water storage pool is arranged on the right side of the discard well and is a concrete pool body built underground; the water storage pool is divided into a clean water pool and a sewage pool, and the sewage pool is communicated with the discard well; the clean water pool is connected with a valve well through a pipeline; the valve well is a municipal water control well; the rainwater treatment device is arranged on the ground surface, the water inlet side of which is communicated with the sewage pool, and the water outlet side is communicated with the clean water pool and further connected with a municipal water pipeline. A sewage interception basket is arranged in the catchment well, which comprises a basket body, a handle and a fixed mesh plate; the basket body is sunk in the bottom of the catchment well, the left side is fixed with the well wall, and the right side is fixed with the fixed mesh plate; the fixed mesh plate covers the water hole on the right side of the catchment well, and the upper end is fixed with the upper part of the catchment well. The discard well is divided into an upper water passing cavity and a lower discard cavity; a control plate is arranged on the top of the water passing cavity; the water passing cavity and the discard cavity are separated by a baffle; the upper and lower float balls are arranged on the upper and lower sides of the baffle respectively, and the upper and lower float balls are connected by a connecting rod; the control rod penetrates through the control plate and is movably connected with the control plate; and a filter screen is arranged on the water outlet side of the discard well. The water storage pool is filled with PP modules; the sewage pool and the clean water pool are formed by wrapping the PP modules with waterproof cloth; the PP modules in the sewage pool are provided with a reserved hole in the middle to form a water inlet well; the PP modules in the clean water pool are provided with reserved holes to form a first water taking well and a second water taking well; An inspection hole is arranged on the top of the water inlet well, and a falling prevention net is arranged on the top; a sludge pump is arranged on the bottom of the water inlet well, and the sludge pump is connected with a municipal sewage pipe through a pump pipe; An inspection hole is arranged on the top of the first water taking well, and a rainwater lifting pump is arranged on the bottom of the first water taking well; the rainwater lifting pump is connected with the rainwater treatment device through a pump pipe; 2. The embedded rainwater utilization system of claim 1, wherein: A recycled water pump is arranged on the bottom of the second water taking well, and the recycled water pump is connected with the rainwater treatment device through a pump pipe.

3. The embedded rainwater harvesting system of claim 1, wherein: The PP module is composed of a top plate and a plurality of bottom columns; the top plate is provided with a patterned hollow hole, and the bottom columns are provided with filter holes on the surfaces; the PP module is divided into a female block and a male block; the bottom columns of the female block are provided with a clamping groove at the lower end, and the bottom columns of the male block are provided with a plug at the lower end; the PP modules are stacked in the water storage pool; and the top of the PP module is covered with a PVC clamping plate.

4. The embedded rainwater harvesting system of claim 1, wherein: The rainwater treatment device comprises a full-automatic filter and an ultraviolet sterilizer. A water supplement pipe is further arranged, which is communicated with the second water taking well and connected with a municipal water supply network; and a backflow preventer is arranged on the water supplement pipe. ​ ​ 5. The embedded rainwater harvesting system of claim 4, wherein: ​ 6. The embedded rainwater harvesting system of claim 1, wherein: ​ 7. The embedded rainwater harvesting system of claim 4, wherein: ​

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