CN110485540B

CN110485540B - Rain flood resource utilization method and system

Info

Publication number: CN110485540B
Application number: CN201910726927.6A
Authority: CN
Inventors: 郭文献; 王鸿翔
Original assignee: North China University of Water Resources and Electric Power
Current assignee: North China University of Water Resources and Electric Power
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2021-06-25
Anticipated expiration: 2039-08-07
Also published as: CN110485540A

Abstract

The invention discloses a method and a system for resource utilization of rainfall flood, which divide an urban area into a plurality of independent sub-areas, wherein the sub-areas suitable for modification are artificially modified into ecological water storage areas, sedimentation water reservoirs are established at lower positions of the sub-areas suitable for modification, areas not suitable for modification are communicated with adjacent ecological water storage areas until the areas are communicated into the ecological water storage areas with the sedimentation water reservoirs by arranging overflow channels, the overflow channels refer to artificial water flow dredging channels established on the ground surface or underground between adjacent areas, and the artificial water flow dredging channels are drained to the corresponding sedimentation water reservoirs in a surface runoff or underground confluence mode. The effective transformation and the rainwater resource utilization are carried out, so that the urban rainwater resource utilization rate is continuously improved.

Description

Rain flood resource utilization method and system

Technical Field

The invention belongs to the technical field of rainwater resource utilization, and particularly relates to a pollution-free rainwater flood resource utilization method and system.

Background

China is located in an Asian monsoon climate region, the monsoon climate determines relative concentration of China in rainy seasons within one year, and when wind in summer is in the north, warm and humid air flows in the southwest and southeast meet cold air in the west wind, or are influenced by typhoon, rainstorm with high intensity is often generated. The average annual precipitation amount of China is 62 trillion m³The rainfall in reduced years is 648 mm. Abundant rainfall provides a precondition for the development of rain flood utilization. The purpose of urban rain flood utilization is to change the high concentration of space-time distribution, disperse the urban rain flood in a storage and storage mode, change the urban rain flood into treasure and turn the harm into the benefit.

The traditional rainwater storage in China is a process of introducing rainwater collected on a confluence surface into a water storage facility for storage through a diversion channel (pipe) and then taking water from the water storage facility when water is needed. For example, the water storage facilities used in arid and semi-arid regions in northern China mostly include water cellars, small reservoirs, waterlogging ponds and the like, and the water storage facilities also comprise matched facilities such as water diversion racks, desilting ponds, filter screens and the like so as to guide rainwater runoff and protect and improve water quality. And in some channels with large water supply or low-lying lands with low land utilization degree, the functions of settling sand and regulating flood are also realized by building water storage facilities such as small dams, waterlogging ponds and the like. In addition, in controlling infiltration into water storage facilities, surface treatment with clay, flexible film, asphalt, soil dispersant and concrete has been conventionally performed. The above various rainwater storage modes are not suitable for storing urban rainwater and flood resources.

On the other hand, raindrops falling on the ground have dust and atmospheric pollutants in the air, and in addition, the rainwater collected in the water storage facility has poor water quality due to the fact that the rainwater collects in the general area without proper sanitary protection facilities. The traditional method for protecting the quality of drinking water is to clean a collecting surface before rainfall, arrange a desilting basin and a filter screen, cover a water storage cellar, clean the cellar regularly and the like. These methods are also not suitable for urban rainfall flood resource utilization. In urban areas, rainwater collected by urban buildings has poor water quality due to industrial pollution (such as automobile exhaust, chemical plant emissions, etc.). Compared with the drainage pipeline adopting a split system abroad, the pipeline mainly adopts a rain and sewage combined system pipeline in China. This results in that sewage treatment plant can't handle a large amount of rainwater sewage mixes body when rainy season comes, and can only discharge the river course together, not only can't utilize the rain flood resource still pollute the ecological environment.

The existing rainwater storage equipment adopts a reinforced concrete water storage tank more, so that the construction is slow, the manufacturing cost is high, the occupied area is large, and the problems of unstable water quality and the like exist.

Disclosure of Invention

Aiming at the defects and problems of low utilization efficiency of urban rainfall flood resources and the existing urban rainfall flood resource utilization, the invention provides a rainfall flood resource utilization method, so as to achieve the purposes of uniformly scheduling different areas with different rainfall flood resource storage capacities, realizing multiple resource utilization modes, mainly meeting the requirements of infiltrating and recharging the underground by pollution-free rainwater after pollution-free selection treatment, supplementing and conserving underground water sources, relieving ground settlement, improving urban ecological environment and having flood discharge function.

The technical scheme adopted by the invention for solving the technical problems is as follows: a rain flood resource utilization method divides an urban area into a plurality of independent sub-areas, the sub-areas suitable for modification are artificially modified into ecological water storage areas, sedimentation water reservoirs are established at lower positions of the terrains of the sub-areas suitable for modification, areas unsuitable for modification are communicated with adjacent ecological water storage areas until the areas are communicated with the ecological water storage areas with the sedimentation water reservoirs through arrangement of overflow channels, the overflow channels are artificial water flow dredging channels established on the surface or underground between the adjacent areas, the artificial water flow dredging channels are guided to the corresponding sedimentation water reservoirs through surface runoff or underground confluence concealed pipe confluence, the areas with pollution sources are purified and then discharged to the adjacent ecological water storage areas, and the areas which cannot be purified are provided with isolation areas or directly discharged to underground sewage channels; the overflow channel of the pollution-free area which is not suitable for reconstruction is discharged to a sedimentation reservoir of an adjacent ecological water storage area; converging and discharging rainwater on the top of the building to an adjacent sedimentation reservoir; the ecological water storage area is discharged to a corresponding sedimentation reservoir through surface runoff and an underground confluence concealed pipe, and water is removed and stored in an underground seepage mode; the sedimentation reservoir is provided with a sewage selective control system, the sewage well is positioned at the bottom of the sedimentation reservoir and is communicated with an underground sewage channel, the sewage selective control system is arranged at the upper part of the sewage well, a water quality sensor is arranged at a proper position of an ecological water storage area containing the sedimentation reservoir and is used for monitoring the water quality of the area, when the water quality does not accord with a set value, the sewage channel is opened by the sewage selective control system to discharge confluent rainwater into the underground sewage channel, when the water quality accords with the set value, the sewage channel is closed by the sewage selective control system to store the confluent rainwater in the corresponding ecological water storage area, and the closed ecological water storage area is subjected to subsurface seepage water storage through artificial water permeation or confluent water discharge to the local area or an inland river adjacent to the inland river; in an ecological water storage area without an inland river or an ecological water storage area far away from the inland river, deep well recharging and discharging are carried out by drilling a deep well at the bottom of the sedimentation reservoir; when the deep well recharging discharge is adopted, a deep well recharging system is arranged at the upper part of the deep well, and when the water quality meets a set value, a deep well channel is opened through the deep well recharging system so that the confluent rainwater is discharged into the underground deep well.

The overflow channel refers to the dredging from the high position of the adjacent region to the low position of the adjacent region, or the dredging from the low position of the adjacent region to the high position of the adjacent region by using a water pump.

The region suitable for transformation comprises an artificial pervious road, a curb base layer is paved on the edge region of the upper part of the highway base layer, curb stones and flat stones are assembled, and an asphalt middle-lower surface layer (compact structure), a sealing layer and a pervious asphalt upper surface layer are sequentially paved on the central region of the upper part of the highway base layer from bottom to top. And an underground confluence concealed pipe is laid at the bottom of the lower surface layer in the asphalt and is communicated with a settlement reservoir in the adjacent area through an underground drainage pipe.

The artificial permeable ground comprises a vegetation permeable ground and a road permeable ground, the vegetation permeable ground sequentially comprises a vegetation layer, vegetation soil, a fiber layer, a gravel layer and an original soil layer from top to bottom, and the road permeable ground sequentially comprises water permeable bricks, a water permeable leveling layer, a water permeable base layer, a water permeable subbase layer and a soil base from top to bottom. The bottom of the gravel layer and the permeable base layer is provided with a V-shaped water accumulation groove structure, an underground confluence concealed pipe is laid at the bottom of the V-shaped water accumulation groove, and the underground confluence concealed pipe is communicated with a settlement reservoir in an adjacent area through an underground drainage pipe.

The sewage selective control system comprises a fixed seat fixed on a well foundation at the periphery of the sewage well, a plurality of stand columns are vertically connected to the fixed seat to form a frame, the uppermost layer of each stand column is provided with a top seat through an upper cross beam, a driving mechanism is arranged above the top seat, and a rotating shaft output by the driving mechanism is connected with a screw rod; the regional interior matching cover that is located between each stand is equipped with the floodgate case, and this floodgate case is circular or prismatic hollow structure's post box and link up from top to bottom, and its periphery is sealed circular arc board or plane board, and the floodgate case is provided with cooperation sliding part with each stand contact position, and the axle center position that is located the floodgate case has the screwed pipe through the skeleton connection, the screw rod matches the installation with this screwed pipe in, rotate when the screw rod and be can drive the floodgate case along each stand inner wall elevating movement the upper strata outside wall of frame is fixed with the water permeable plate, and the middle level is fixed with the closing plate to the frame is cut apart and is formed the drain that is located overflow section on upper portion, the water storage section at middle part and lower part, and the floodgate case goes up and down to seal overflow section.

Be provided with outside expanded toper bulge in the bilge well, conical surface and the conical surface under the wall of a well on the wall of a well under the conical surface, the inboard cover of toper bulge is equipped with the body, the body includes conical surface and the body conical surface under the body on the body, body upper end center is fixed with central chain sling, central chain sling is fixed or driven, when the body is located toper bulge center, there is fit clearance body and toper bulge inner wall, the body makes progress back body on the conical surface can match the laminating with conical surface on the wall of a well, the body conical surface can match the laminating with conical surface under the wall of a well under the body after the downward motion back body.

The deep well recharging system comprises a fixed seat fixed on a well foundation around a deep well, a plurality of stand columns are vertically connected to the fixed seat to form a frame, the uppermost layer of each stand column is provided with a top seat through an upper cross beam, a driving mechanism is arranged above the top seat, and a rotating shaft of the driving mechanism is connected with a screw rod; the area between each stand column is matched and sleeved with a brake box, the brake box is a cylindrical box body with a circular or prismatic hollow structure and is communicated up and down, the periphery of the brake box is a sealed arc plate or a sealed plane plate, a matched sliding part is arranged at the contact position of the brake box and each stand column, the axis position of the brake box is connected with a screw pipe through a framework, the screw rod is matched and installed in the screw pipe, the brake box can be driven to move up and down along the inner wall of each stand column when the screw rod rotates, a sealing plate is fixed on the outer side wall of the upper layer of the frame, so that the frame is divided to form a sealing section on the upper part and a recharging port on the lower part, and the recharging port can be sealed after the brake.

Deep well recharge system includes that the net section of thick bamboo and outer net section of thick bamboo in deep well inner wall cover is equipped with, the annular region intussuseption that forms between the net section of thick bamboo and the soil layer wall of a well is filled with the fibrous layer, the annular region intussuseption that forms between the net section of thick bamboo and the outer net section of thick bamboo is filled with the gravel stone layer, the deep well is provided with fixed foraminiferous well lid, this fixed foraminiferous well lid is in the same place with the fixed suit of well base, fixed foraminiferous well lid upside equipartition has the fixed hole of permeating water, fixed foraminiferous well lid upside superposes has movable well lid, the equipartition has the activity hole of permeating water on the activity well lid, the activity is permeated water hole unanimously with fixed hole quantity, fixed foraminiferous well. The edge of the movable well cover is provided with a driving arm, and the propelling end part of an electric push rod connected to the well base is hinged with the driving arm through a rotating shaft.

The deep well recharge system comprises an inner net barrel and an outer net barrel which are sleeved on the inner wall of a deep well, a permeable sand layer is filled in an annular region formed between the inner net barrel and a soil layer well wall, a gravel layer is filled in an annular region formed between the inner net barrel and the outer net barrel, the deep well is provided with a fixed sealing well lid, a high-pressure water supply pipe is installed on the fixed sealing well lid in a sealing manner, a plurality of layers of transverse interlayers are transversely fixed in the well wall, a plurality of independent sealing backwater layers of a deep well partition layer are arranged, the high-pressure water supply pipe penetrates through each sealing backwater layer, and branch pipe water outlets are reserved in each sealing backwater layer of the high. A permeable interlayer is arranged at the local part in the sand gravel layer and is used for separating the upper sand gravel layer from the lower sand gravel layer.

A rain flood resource utilization system comprises an ecological water storage area suitable for modification, an area not suitable for modification and an area with a pollution source, wherein a sedimentation reservoir is established at a lower position of the terrain in part or all of the ecological water storage area; the sedimentation reservoir in the ecological water storage area is provided with a sewage selective control system, the sewage selective control system comprises a fixed seat fixed on a well foundation at the periphery of a sewage well, the fixed seat is vertically connected with a plurality of stand columns to form a frame, the uppermost layer of each stand column is provided with a top seat through an upper cross beam, a driving mechanism is arranged above the top seat, and a rotating shaft output by the driving mechanism is connected with a screw rod; the gate box is matched and sleeved in the area between the stand columns, the gate box is a cylindrical box body with a circular or prismatic hollow structure and is penetrated up and down, the periphery of the gate box is a sealed arc plate or a plane plate, a matched sliding part is arranged at the contact position of the gate box and each stand column, the axis position of the gate box is connected with a screw pipe through a framework, the screw rod is matched and installed in the screw pipe, the gate box can be driven to move up and down along the inner wall of each stand column when the screw rod rotates, a water permeable plate is fixed on the outer side wall of the upper layer of the framework, a sealing plate is fixed on the middle layer, so that the framework is divided into an overflow section at the upper part, a water storage section at the middle part and a drain outlet at the lower part, and the gate box can be lifted; and meanwhile, drilling a deep well at the bottom of part or all of the sedimentation reservoir to carry out deep well recharge discharge, arranging a deep well recharge system at the upper part of the deep well, and opening a deep well channel through the deep well recharge system to discharge confluent rainwater into the underground deep well when the water quality meets a set value.

The overflowing channel is a dredging channel which is established underground between adjacent areas, so that the adjacent areas are communicated through the dredging channel.

Ecological retaining area includes artificial highway and the artificial ground that permeates water of permeating water, artificial highway of permeating water lays the curb basic unit in the marginal zone on highway basic unit upper portion to assemble curb and flat stone, lay lower surface course (compact structure), seal and the pitch upper surface course that permeates water in the pitch in proper order from bottom to top in the central zone on highway basic unit upper portion. And an underground confluence concealed pipe is laid at the bottom of the lower surface layer in the asphalt and is communicated with a settlement reservoir in the adjacent area through an underground drainage pipe. The artificial water permeable ground comprises a vegetation water permeable ground and a road water permeable ground, the vegetation water permeable ground sequentially comprises a vegetation layer, vegetation soil, a fiber layer, a gravel layer and an original soil layer from top to bottom, and the road water permeable ground sequentially comprises water permeable bricks, a water permeable leveling layer, a water permeable base layer, a water permeable subbase layer and a soil base from top to bottom. The bottom of the gravel layer and the permeable base layer is provided with a V-shaped water accumulation groove structure, an underground confluence concealed pipe is laid at the bottom of the V-shaped water accumulation groove, and the underground confluence concealed pipe is communicated with a settlement reservoir in an adjacent area through an underground drainage pipe.

The invention has the beneficial effects that: the method adopted by the invention can be combined with the current situation of each city for transformation, and can be used for listing the region suitable for transformation as the transformation region of the ecological water storage region no matter how the transformation degree of the city is, and matching with a plurality of functions of the ecological water storage region. The method is characterized in that an overflowing channel is established between an area which is not suitable for transformation at present and an ecological water storage area which is transformed, and the ecological water storage area is fully utilized to effectively utilize rainwater resources in cities. The scheme is suitable for gradual transformation of different cities and different periods of the same city, even if middle and small cities with low transformation degree can play an effective role in the same year, the method and related systems can be continuously adopted to gradually and deeply carry out effective transformation and rainwater resource utilization on all areas of the city, ecological water storage areas are gradually increased, and the urban rainwater resource utilization rate is continuously improved.

Rainwater infiltration is an indirect rainwater utilization technology, and is one of effective methods for reasonably utilizing and managing rainwater resources and improving ecological environment. According to the invention, the artificial permeable ground structure is arranged in the ecological water storage area, so that the ecological water storage area has a good permeation function, and a large amount of rain flood resources can be stored, so that rainwater can infiltrate and recharge underground, underground water sources can be supplemented, ground settlement can be relieved, the ecological environment can be improved, and flood disasters and the like can be reduced. Compared with the traditional urban rainwater direct drainage and rainwater centralized collection, storage, treatment and utilization, the invention has the advantages of simple technology, flexible design, convenient construction, wide application range, less investment and the like. The invention fully utilizes the rain flood resources, exerts the maximum social benefit, economic benefit and environmental benefit, and increases the available water resources so as to relieve the ubiquitous situation of urban water resource shortage at present.

Drawings

FIG. 1 is one of the structural views of an ecological water storage region according to the present invention.

FIG. 2 is a second schematic view showing the structure of an ecological water storage area (with an inland river) according to the present invention.

FIG. 3 is a third schematic view of the ecological water storage area according to the present invention (deep well recharge)

Fig. 4 is an enlarged structure diagram of the cross section of the artificial vegetation permeable ground in the ecological water storage area.

Fig. 5 is an enlarged structure schematic view of the cross section of the artificial road permeable ground in the ecological water storage area.

Fig. 6 is an enlarged structure schematic view of the section of the artificial water-permeable road in the ecological water storage area.

Fig. 7 is a schematic sectional structure diagram of the sewage selective control system.

Fig. 8 is a perspective view of the layers of fig. 7 engaged with the brake chamber.

FIG. 9 is a schematic view of the usage mode I of the selective sewage control system.

FIG. 10 is a schematic view of the usage mode II of the selective sewage control system.

FIG. 11 is a schematic view of the usage mode III of the selective sewage control system.

Fig. 12 is a schematic view of a use mode IV of the selective sewage control system.

Fig. 13 is one of the schematic cross-sectional structures of the deep well recharging system.

Fig. 14 is a second schematic sectional view of the deep well recharging system.

Fig. 15 is a schematic front view of the movable manhole cover in fig. 14.

Fig. 16 is a schematic structural view of the movable manhole cover and the fixed manhole cover in fig. 14.

Fig. 17 is a third schematic sectional view of the deep well recharging system.

Reference numeral 1 is an ecological water storage area, 2 is an interval highway, 21 is a permeable asphalt upper surface layer, 22 is a seal layer, 23 is an asphalt middle lower surface layer, 24 is a base layer, 25 is a curb base layer, 26 is a curb, 27 is a flat stone, 3 is a sedimentation reservoir, 4 is an underground sewage channel, 5 is a sewage well, 51 is a stand column, 52 is a fixed seat, 53 is a permeable plate, 54 is a sealing plate, 55 is a top seat, 56 is an upper cross beam, 57 is a mounting hole, 58 is a screw rod, 59 is a nut, 501 is a conical projection, 503 is a deep well wall upper conical surface, 503 is a well wall lower conical surface, 504 is a floating body, 505 is a floating body upper conical surface, 506 is a floating body lower conical surface, 507 is a central suspension chain, 6 is a low-lying confluence area, 7 is a river, 8 is a well cover, 81 is a stand column, 82 is a fixed seat, 84 is a sealing plate, 85 is a top seat, 86 is an upper cross beam, 88 is a screw rod, 89 is a nut, 801 is a base, 8021 is a fixed permeable hole, 802a is a fixed sealed well cover, 803 is a movable well cover, 8031 is a movable permeable hole, 804 is a central hole, 805 is a fixed central shaft, 806 is an inner net cylinder, 807 is an outer net cylinder, 808 is a gravel layer, 809 is a fiber layer, 810 is a soil layer well wall, 811 is a driving arm, 812 is an electric push rod, 813 is a rotating shaft, 814 is a permeable sand layer, 815 is a transverse interlayer, 816 is a permeable layer interlayer, 817 is a high-pressure water supply pipe, 818 is a branch pipe water outlet, 9 is an artificial permeable ground, 90 is a soil foundation, 91 is a vegetation layer, 92 is vegetation soil, 93 is a fiber layer, 94 is a gravel layer, 95 is a raw soil layer, 96 is a permeable brick, 97 is a permeable leveling layer, 98 is a permeable base layer, and 99 is a permeable base layer; 10 is a flow passage, 11 is an underground convergence hidden pipe, 12 is an underground drainage pipe, 13 is a brake box, 14 is a motor, 15 is a gearbox, 16 is a water permeable cover, and 17 is a sealing cover.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

Example 1: the construction of sponge cities comprises a plurality of technical measures such as seepage, stagnation, storage, purification, use and drainage, and covers low-influence development, urban rainwater pipe canal systems and over-standard rainwater runoff discharge systems, and various technical measures are synchronously planned and designed with attention paid to source runoff control, improvement of drainage pipe canal standards, construction of waterlogging prevention and control projects and treatment of river and lake ecology. At present, the records about sponge city construction are based on landscape design for city overall planning, are land design and material space planning essentially, are research processes for discussing solutions aiming at environmental, ecological and social problems existing on the land and discussion processes needing to be combined with engineering technology and human social art science, and the implementation process of a specific scheme is often influenced by a larger planning scheme.

The method for utilizing the rain flood resource can be effectively implemented and continuously improved in the early stage of planning the whole city scheme, so that the concept of the sponge city is put into effect as soon as possible. The suitable subregion of reforming transform is ecological retaining region through artifical the reforming transform, and ecological retaining region includes a plurality of manual transformation projects, including reforming transform, ground transformation and vegetation level transformation etc. to the road. The main reconstruction project is a water source converging mode, for example, as shown in fig. 1-3, fig. 1 is an ecological water storage area, which can be regarded as a general area lacking an inland river or a lake or an area with higher topography, a sedimentation reservoir is arranged in the area, the topography of the sedimentation reservoir is required to be lower than the periphery, the purpose is to enable rainwater in the area or an adjacent area to converge to the sedimentation reservoir for treatment, a dredging channel can be built underground between adjacent areas through a overflowing channel in part of the ecological water storage area without the sedimentation reservoir, and the adjacent areas are communicated through the dredging channel.

The sedimentation reservoir plays an important role in the present invention, and at least a bilge well as shown in fig. 1 is required to be arranged inside the sedimentation reservoir, and a deep well as shown in fig. 3 can be arranged inside the sedimentation reservoir. Fig. 3 is an ecological water storage area containing deep wells, which aims to utilize rainwater resource by means of deep well recharge, and the area is generally a river or lake according to the principle. Fig. 2 is an ecological water storage area including an inland river or lake which is used for building a reservoir for storing rainwater resources. Figures 1-3 all have flow-through channels connecting adjacent zones to an ecological impoundment zone with a settling reservoir. The flow passage is characterized in that an artificial water flow dredging passage is established on the surface or underground between adjacent regions, for example, the adjacent regions are converged in the drawing, and the flow is guided to a corresponding sedimentation reservoir in a surface runoff or underground confluence concealed pipe converging mode.

In addition, in the sub-area which is not suitable for reconstruction, the area with the pollution source is discharged to the adjacent ecological water storage area after purification treatment, and the area which cannot be purified is provided with an isolation area to be completely isolated, or is directly discharged to an underground sewage channel when the pollution degree is low. And the overflow channel of the pollution-free area which is not suitable for reconstruction is discharged to a sedimentation reservoir of an adjacent ecological water storage area. Non-polluting areas unsuitable for retrofitting include building roof storm water resources, which are piped to an adjacent settling reservoir.

From the above, rainwater resources in the sub-area suitable for modification and the sub-area not suitable for modification are finally converged into the sedimentation reservoir with the ecological water storage area. However, a sewage selective control system is also required to be arranged in the sedimentation reservoir, the sewage well is positioned at the bottom of the sedimentation reservoir and is communicated with the underground sewage channel, the sewage selective control system is arranged at the upper part of the sewage well, a water quality sensor is arranged at a proper position and a proper height of an ecological water storage area containing the sedimentation reservoir and is used for monitoring the water quality of the area, and when the water quality does not accord with a set value, the sewage well channel is opened through the sewage selective control system so that confluent rainwater is discharged into the underground sewage channel. As shown in FIG. 1-FIG. 3, the sewage is discharged. Generally, the initial rainwater has poor water quality and the water level is not higher than h1 in fig. 7, and the initial rainwater and sewage are discharged to the underground sewage channel through the sewage discharge outlet C, as shown in fig. 9.

The important content of the method is the selective control system for sewage shown in fig. 7, which comprises a fixed seat fixed on the foundation of the peripheral well of the sewage well, a plurality of upright posts are vertically connected on the fixed seat to form a frame, the uppermost layer of each upright post is provided with a top seat through an upper cross beam, a driving mechanism is arranged above the top seat, and a screw rod is connected on a rotating shaft output by the driving mechanism. The brake box is matched and sleeved in the area between the stand columns, is a cylindrical box body with a circular or prismatic hollow structure and is communicated up and down, the periphery of the brake box is a sealed arc plate or a sealed plane plate, a matching sliding part is arranged at the contact position of the brake box and each stand column, and the axis position of the brake box is connected with a screw pipe through a framework. The screw rods are installed in the screw tubes in a matching mode, and when the screw rods rotate, the brake boxes can be driven to move up and down along the inner walls of the stand columns. Meanwhile, a permeable plate is fixed on the outer side wall of the upper layer of the frame, and a sealing plate is fixed on the middle layer, as shown in fig. 8. Thereby the frame is cut apart and has been formed the drain that is located the overflow section on upper portion, the water storage section in middle part and lower part, and the floodgate case goes up and down to seal overflow section A, water storage section B and drain C respectively.

When the water quality meets the set value, the sewage well channel is closed through the sewage selective control system shown in fig. 7, so that the confluent rainwater is stored in the corresponding ecological water storage area, the water level in the closed ecological water storage area can continuously rise, and when the water level is not higher than h2 in fig. 7, the water storage section B can prevent the rainwater from entering the underground sewage channel, namely the water storage period. The purpose of the water storage period is to make rainwater resources in the ecological water storage area seep and store water through the artificial permeable ground as shown in the figure 1-figure 3, namely seepage. The premise for realizing seepage is that the ecological water storage area has a better water seepage function, for example, a ground layered structure as shown in fig. 4-6 or a built-in biomass purification system is adopted. In the artificial permeable road shown in fig. 6, a curb base layer is laid in the edge area of the upper part of the highway base layer, a curb and a flat stone are assembled, and an asphalt middle-lower surface layer, a sealing layer and a permeable asphalt upper surface layer are sequentially laid in the central area of the upper part of the highway base layer from bottom to top. Further, the embodiment can also lay underground confluence concealed pipes at the bottom of the lower layer in the asphalt, and the underground confluence concealed pipes are communicated with the sedimentation reservoir of the adjacent area through underground drainage pipes. In the permeable structure layer of the artificial permeable road, the permeability coefficient of the sealing material is not easy to be overlarge, the sealing material is well bonded with the upper structure layer and the lower structure layer, the soil foundation has certain permeability, and the top surface of the soil foundation can be made of granular materials or geotextiles.

As shown in fig. 4, the vegetation permeable ground sequentially includes a vegetation layer, vegetation soil, a fiber layer, a gravel layer and a raw soil layer from top to bottom. As shown in fig. 5, the road permeable ground sequentially comprises a permeable brick, a permeable leveling layer, a permeable base layer, a permeable sub-base layer and a soil foundation from top to bottom. The permeable pavement can be divided into permeable brick pavement, permeable cement concrete pavement and permeable asphalt concrete pavement according to different surface layer materials, and grass-embedded bricks, cobblestones in garden pavement, broken stone pavement and the like also belong to permeable pavement. Further, this embodiment can also be provided with V type ponding groove structure in the bottom of gravel layer and basic unit that permeates water, lays the secret hidden pipe that converges in the bottom of V type ponding groove, and secret hidden pipe that converges passes through secret drainage tube and the settlement cistern intercommunication of adjacent area earlier. The road permeable ground is mainly suitable for squares, parking lots, sidewalks and roads with smaller traffic flow and load, such as non-motor vehicle lanes of buildings, residential roads and municipal roads. Through set up above artificial permeable ground structure in ecological retaining area, can be that ecological retaining area has fine infiltration function, but a large amount of rainwater resources are saved to this way.

In the water storage period, the water can be discharged by converging water towards the inland river in the local area or the adjacent inland river area, as shown in figure 10. And fourthly, pollution-free rainwater drainage is shown in figure 2. Rainwater resources in the water storage period basically do not enter the underground sewage channel, the rainwater resource storage speed is slow and the rainfall capacity of the relevant area continuously rises when the infiltration efficiency is low or the rainwater resources are far away from a river channel or a lake, and at the moment, deep well recharge and discharge are carried out by drilling a deep well at the bottom of the sedimentation reservoir, for example, the deep well recharge without pollution is carried out in the figure 3.

Further, after the flood discharge and water storage method shown in fig. 2 and 3 is adopted, when the rainfall amount of the relevant area continuously rises due to the large rainfall amount, the water level exceeds the height h2 in fig. 7, and at this time, the water level enters the overflow section a, as shown in fig. 11, when the water level is at the overflow section a, the rainwater at the higher water level enters the underground sewage channel through the overflow section, and the flood is discharged through the underground sewage channel, as shown in fig. 11, the overflow discharge is performed. Further, when the rainfall causes the water level to continuously rise to reach the water level h3 in fig. 7, the sewage selective control system opens the water completely except for opening the gate to discharge the flood by using the inland river or the lake, and as shown in fig. 12, the system is overflow discharge and a large amount of drainage discharge.

Therefore, the method can be combined with the current situation reconstruction of each city, the areas suitable for reconstruction at present are listed as the areas suitable for reconstruction and planned as the ecological water storage areas, and the method is matched with multiple functions of the ecological water storage areas. The method is characterized in that an overflowing channel is established between an area which is not suitable for transformation at present and an ecological water storage area which is transformed, and the ecological water storage area is fully utilized to effectively utilize rainwater resources in cities. This scheme is fit for progressively reforming transform, so reform transform the degree and just can exert effective effect when not high, deepen gradually and reform transform the back to each region in city, the ecological retaining region that increases gradually can realize mutually supporting, makes urban rainwater resource utilization rate constantly obtain improving.

Example 2: a rain flood resource utilization system is reasonably planned in stages according to the current situation of a city, and the city area is divided into an ecological water storage area suitable for transformation, an area unsuitable for transformation and an area with a pollution source.

And (3) establishing a sedimentation reservoir at a lower position of the terrain in part or all of the ecological water storage area, as shown in figures 1-3. Areas unsuitable for transformation are discharged to corresponding sedimentation reservoirs through surface runoff and underground confluence concealed pipes by arranging ecological water storage areas, and water is sold and stored in an underground infiltration mode. The adopted flow passage is from the high position of the adjacent region to the low position of the adjacent region, or from the low position of the adjacent region to the high position of the adjacent region by using a water pump. Finally, areas which are not suitable for reconstruction are finally converged in the sedimentation reservoir in the ecological water storage area through the arrangement of the overflowing channel, and the areas with the pollution sources are discharged to the sedimentation reservoir in the adjacent ecological water storage area after purification treatment or directly discharged to the underground sewage channel.

The sedimentation reservoir located in the ecological impoundment area is provided with a sewage selective control system, as shown in fig. 7 and 8. The sewage selective control system comprises a fixed seat fixed on a well foundation at the periphery of a sewage well, wherein a plurality of stand columns are vertically connected onto the fixed seat to form a frame, the uppermost layer of each stand column is provided with a top seat through an upper cross beam, a driving mechanism is arranged above the top seat, and a rotating shaft output by the driving mechanism is connected with a screw rod.

The gate box is matched and sleeved in the area between the stand columns, is a cylindrical box body with a circular or prismatic hollow structure and is communicated up and down, the periphery of the gate box is a sealed arc plate or a sealed plane plate, a matched sliding part is arranged at the contact position of the gate box and each stand column, the axis position of the gate box is connected with a screw pipe through a framework, the screw rod is matched and installed in the screw pipe, and when the screw rod rotates, the gate box can be driven to move up and down along the inner wall of each stand column.

As in fig. 8, the upper outer wall of the frame is fixed with the porous disk, the middle layer is fixed with the sealing plate, thereby the frame is cut apart to form the overflow section a that is located the upper portion, the retaining section B at the middle part and the drain C of lower part, and the floodgate case goes up and down to seal overflow section, retaining section and drain respectively.

Meanwhile, a deep well is drilled at the bottom of part or all of the sedimentation reservoir for deep well recharge discharge, as shown in fig. 3, when the deep well recharge discharge is adopted, a deep well recharge system is arranged at the upper part of the deep well, and when the water quality meets a set value, a deep well channel is opened through the deep well recharge system so that the confluent rainwater is discharged into the underground deep well. In this embodiment, a deep well recharging system as shown in fig. 13 is disposed on the upper portion of the deep well, and when the water quality meets a set value, the deep well recharging system opens the deep well channel to discharge the confluent rainwater into the underground deep well.

The deep well recharging system shown in fig. 13 includes a fixing base fixed on the well foundation around the deep well, a plurality of vertical columns are vertically connected to the fixing base to form a frame, a top base is installed on the top layer of each vertical column through an upper cross beam, a driving mechanism is installed above the top base, and a screw is connected to the rotating shaft of the driving mechanism. The area between each stand column is matched and sleeved with a brake box, the brake box is a cylindrical box body with a circular or prismatic hollow structure and is communicated up and down, the periphery of the brake box is a sealed arc plate or a sealed plane plate, a matched sliding part is arranged at the contact position of the brake box and each stand column, the axis position of the brake box is connected with a screw pipe through a framework, the screw rod is matched and installed in the screw pipe, the brake box can be driven to move up and down along the inner wall of each stand column when the screw rod rotates, a sealing plate is fixed on the outer side wall of the upper layer of the frame, so that the frame is divided to form a sealing section on the upper part and a recharging port on the lower part, and the recharging port can be sealed after the brake. Through actuating mechanism (motor and gear box are constituteed) control screw rod and rotate, and then can control floodgate case elevating movement, lie in sealed section D inboard after the floodgate case is lifted, can release the recharge mouth E of lower part, after the floodgate case downstream, can seal recharge mouth E. D is, E is a recharging port, and F is an independent sealing water returning layer.

The suitable reconstruction area comprises an artificial permeable road as shown in figure 6, a curb base layer is laid in the edge area of the upper part of the highway base layer, curb stones and flat stones are assembled, and an asphalt middle-lower surface layer (compact structure), a sealing layer and a permeable asphalt upper surface layer are sequentially laid in the central area of the upper part of the highway base layer from bottom to top. Further, the embodiment can also lay underground confluence concealed pipes at the bottom of the lower layer in the asphalt, and the underground confluence concealed pipes are communicated with the sedimentation reservoir of the adjacent area through underground drainage pipes.

Suitable areas for retrofitting include artificial permeable floors, including vegetation permeable floors as shown in fig. 4 and road permeable floors as shown in fig. 5. As can be seen from fig. 4, the vegetation permeable ground sequentially comprises a vegetation layer, vegetation soil, a fiber layer, a gravel layer and a raw soil layer from top to bottom. As shown in fig. 5, the road permeable ground sequentially comprises a permeable brick, a permeable leveling layer, a permeable base layer, a permeable subbase layer and a soil foundation from top to bottom. Further, this embodiment can also be provided with V type ponding groove structure in the bottom of gravel layer and basic unit that permeates water, lays the secret hidden pipe that converges in the bottom of V type ponding groove, and secret hidden pipe that converges passes through secret drainage tube and the settlement cistern intercommunication of adjacent area earlier.

Example 3: in addition to example 2, an outwardly expanding conical projection is further provided in the bilge well, as shown in fig. 12. This toper protruding portion conical surface under conical surface and the wall of a well on the wall of a well, the inboard cover of toper protruding portion is equipped with the body, the body includes conical surface and the body conical surface down on the body, body upper end center is fixed with central chain sling, central chain sling is fixed or driven, when the body is located toper protruding portion center, there is fit clearance body and toper protruding portion inner wall, the body makes progress back body on the conical surface can match the laminating with the wall of a well conical surface, the body moves down the back body under the conical surface can match the laminating with the wall of a well conical surface down.

Example 4: the deep well recharging system is different from the deep well recharging system in embodiment 2, and the implementation manner shown in fig. 14 is adopted in this embodiment. The deep well recharging system comprises an inner net barrel and an outer net barrel which are sleeved on the inner wall of a deep well, wherein a fiber layer is filled in an annular region formed between the inner net barrel and a soil layer well wall, and a gravel layer is filled in an annular region formed between the inner net barrel and the outer net barrel.

As shown in fig. 15 and 16, the deep well is provided with fixed hole well lid, this fixed hole well lid that contains is in the same place with the fixed suit of well base, fixed hole well lid upside equipartition has the fixed hole of permeating water, fixed hole well lid upside superposes has movable well lid, the equipartition has the activity hole of permeating water on the activity well lid, the activity is permeated water the hole and is unanimous with fixed hole quantity of permeating water, fixed hole well lid center that contains is provided with fixed axis, the center of activity well lid is provided with the centre bore, this centre bore suit is epaxial and can rotate in the fixed of fixed hole well lid that. The activity well lid need set up the drive so that the activity well lid can rotate with fixed well lid relatively, realizes after rotating that the activity is permeated water the hole and is coincided with fixed limbers or by folding.

The driving mode can be that people rotate for the drive, also can adopt the mode of electric putter drive as shown in fig. 16, the edge of activity well lid is provided with the actuating arm, and the promotion tip of the electric putter who connects on the well base articulates this actuating arm through the pivot.

Example 5: on the basis of the embodiment 2, the deep well recharging system is further improved. The deep well recharge system in this embodiment is as shown in fig. 17, including that the inner wall cover of deep well is equipped with an inner net section of thick bamboo and an outer net section of thick bamboo, and the annular region intussuseption that forms between an inner net section of thick bamboo and the soil layer wall of a well is filled with the sand layer that permeates water, and the annular region intussuseption that forms between an inner net section of thick bamboo and an outer net section of thick bamboo is filled with the gravel layer, and the deep well sets up fixed sealed well lid, and the. Meanwhile, a plurality of layers of transverse interlayers are transversely fixed in the well wall, and a plurality of independent sealed water return layers F are arranged on the deep well dividing layers. The high-pressure water supply pipe penetrates through each independent sealed backwater layer F, branch pipe water outlets are reserved in each sealed backwater layer respectively, the high-pressure water supply pipe is connected with the high-pressure water pump, and the high-pressure water is used for pressurizing each independent sealed backwater layer F, so that accumulated water is forced to permeate into the gravel layer and the permeable sand layer, and then permeate into the soil layer well wall. The seeper at each elevation can permeate towards the soil layer well wall simultaneously through the multilayer independent sealing backwater layer F, and the permeation efficiency is improved. Furthermore, be in again the intraformational part of gravel is provided with the permeable bed interlayer for sand gravel layer about the separation sets up the purpose of permeable bed interlayer, when appearing the high pressure in independent sealed return water layer F, the axial displacement of minimize ponding along sand gravel layer and sand layer that permeates water, impels ponding along sand gravel layer and the radial infiltration to soil layer wall of a well of permeating water sand layer.

Claims

1. A rain flood resource utilization method is characterized in that an urban region is divided into a plurality of independent sub-regions, the sub-regions suitable for modification are artificially modified into ecological water storage regions, each ecological water storage region comprises an artificial permeable road and an artificial permeable ground, the artificial permeable road is formed by paving a curb base layer in the edge region of the upper part of the highway base layer, assembling curb stones and flat stones, and paving an asphalt middle-lower surface layer, a sealing layer and a permeable asphalt upper surface layer in sequence from bottom to top in the central region of the upper part of the highway base layer; an underground confluence concealed pipe is laid at the bottom of the lower surface layer in the asphalt and is communicated with a sedimentation reservoir in an adjacent area through an underground drainage pipe; the artificial permeable ground comprises a vegetation permeable ground and a road permeable ground, the vegetation permeable ground sequentially comprises a vegetation layer, vegetation soil, a fiber layer, a gravel layer and an original soil layer from top to bottom, and the road permeable ground sequentially comprises a permeable brick, a permeable leveling layer, a permeable base layer, a permeable subbase layer and a soil foundation from top to bottom; the bottom of the gravel layer and the bottom of the permeable base layer are provided with V-shaped water accumulation groove structures, underground convergence concealed pipes are laid at the bottom of the V-shaped water accumulation grooves, and the underground convergence concealed pipes are communicated with the sedimentation reservoir in the adjacent area through underground drainage pipes; meanwhile, a sedimentation reservoir is established at a lower position of the topography of the sub-area suitable for modification; the area which is not suitable for transformation is communicated with the adjacent ecological water storage area until the area is finally communicated with the ecological water storage area with the sedimentation reservoir by arranging a flow passage, wherein the flow passage is that an artificial water flow dredging passage is established on the earth surface or underground between the adjacent areas, the artificial water flow dredging passage is drained to the corresponding sedimentation reservoir in a surface runoff or underground confluence pipe confluence mode, the area with a pollution source is discharged to the adjacent ecological water storage area after purification treatment, and the area which cannot be purified is provided with an isolation area or is directly discharged to an underground sewage channel; the overflow channel of the pollution-free area which is not suitable for reconstruction is discharged to a sedimentation reservoir of an adjacent ecological water storage area; converging and discharging rainwater on the top of the building to an adjacent sedimentation reservoir; the ecological water storage area is discharged to a corresponding sedimentation reservoir through surface runoff and an underground confluence concealed pipe, and water is removed and stored in an underground seepage mode; the sedimentation reservoir is provided with a sewage selective control system, the sewage well is positioned at the bottom of the sedimentation reservoir and is communicated with an underground sewage channel, the sewage selective control system is arranged at the upper part of the sewage well, a water quality sensor is arranged at a proper position of an ecological water storage area containing the sedimentation reservoir and is used for monitoring the water quality of the area, when the water quality does not accord with a set value, the sewage channel is opened by the sewage selective control system to discharge confluent rainwater into the underground sewage channel, when the water quality accords with the set value, the sewage channel is closed by the sewage selective control system to store the confluent rainwater in the corresponding ecological water storage area, and the closed ecological water storage area is subjected to subsurface seepage water storage through artificial water permeation or confluent water discharge to the local area or an inland river adjacent to the inland river; in an ecological water storage area without an inland river or an ecological water storage area far away from the inland river, deep well recharging and discharging are carried out by drilling a deep well at the bottom of the sedimentation reservoir; when deep well recharge is adopted for discharge, a deep well recharge system is arranged at the upper part of the deep well, and when the water quality meets a set value, a deep well channel is opened through the deep well recharge system so that confluent rainwater is discharged into the underground deep well; the sewage selective control system comprises a fixed seat fixed on a well foundation at the periphery of the sewage well, a plurality of stand columns are vertically connected to the fixed seat to form a frame, the uppermost layer of each stand column is provided with a top seat through an upper cross beam, a driving mechanism is arranged above the top seat, and a rotating shaft output by the driving mechanism is connected with a screw rod; the regional interior matching cover that is located between each stand is equipped with the floodgate case, and this floodgate case is circular or prismatic hollow structure's post box and link up from top to bottom, and its periphery is sealed circular arc board or plane board, and the floodgate case is provided with cooperation sliding part with each stand contact position, and the axle center position that is located the floodgate case has the screwed pipe through the skeleton connection, the screw rod matches and installs in this screwed pipe, can drive the floodgate case along each stand inner wall elevating movement when the screw rod rotates the upper strata outside wall of frame is fixed with the porous disk, and the middle level is fixed with the closing plate to the frame is cut apart and is formed the drain that is located overflow section on upper portion, the water storage section at middle part and lower part, and the floodgate case goes up and down and to seal overflow section, water storage.

2. The method for recycling storm flood according to claim 1, wherein the overflow channel is dredging from the high position of the adjacent area to the low position of the adjacent area, or dredging from the low position of the adjacent area to the high position of the adjacent area by a water pump.

3. The method for recycling a rainfall flood according to claim 1, wherein the deep well recharging system comprises a fixed seat fixed on a well foundation around the deep well, the fixed seat is vertically connected with a plurality of columns to form a frame, the uppermost layer of each column is provided with a top seat through an upper cross beam, a driving mechanism is arranged above the top seat, and a rotating shaft of the driving mechanism is connected with a screw rod; the area between each stand column is internally matched and sleeved with a brake box, the brake box is a cylindrical box body with a circular or prismatic hollow structure and is communicated up and down, the periphery of the brake box is a sealed arc plate or a sealed plane plate, a matched sliding part is arranged at the contact position of the brake box and each stand column, the axis position of the brake box is connected with a screw pipe through a framework, the screw rod is matched and installed in the screw pipe, the brake box can be driven to move up and down along the inner wall of each stand column when the screw rod rotates, a sealing plate is fixed on the outer side wall of the upper layer of the frame, so that the frame is divided to form a sealing section on the upper part and a recharging port on the lower part, and the recharging port can be sealed after.

4. The rainfall flood resource utilization method according to claim 1, wherein an outward-expanding conical protrusion is arranged in the sewage well and comprises a well wall upper conical surface and a well wall lower conical surface, a floating body is sleeved on the inner side of the conical protrusion and comprises a floating body upper conical surface and a floating body lower conical surface, a central hanging chain is fixed at the center of the upper end of the floating body and is fixed or driven, when the floating body is located at the center of the conical protrusion, a fit clearance exists between the floating body and the inner wall of the conical protrusion, the floating body upper conical surface can be matched and attached with the well wall upper conical surface after the floating body moves upwards, and the floating body lower conical surface can be matched and attached with the well wall lower conical surface after the floating body moves downwards.

5. The utility model provides a rain flood resource utilization system which characterized in that: the ecological water storage area suitable for reconstruction, the area not suitable for reconstruction and the area with the pollution source are included, a sedimentation reservoir is established at a lower position of the terrain in part or all of the ecological water storage area, the area not suitable for reconstruction is finally converged in the sedimentation reservoir in the ecological water storage area through a flow passage, and the area with the pollution source is purified and then discharged to the sedimentation reservoir in the adjacent ecological water storage area or directly discharged to an underground sewage passage; the sedimentation reservoir in the ecological water storage area is provided with a sewage selective control system, the sewage selective control system comprises a fixed seat fixed on a well foundation at the periphery of a sewage well, the fixed seat is vertically connected with a plurality of stand columns to form a frame, the uppermost layer of each stand column is provided with a top seat through an upper cross beam, a driving mechanism is arranged above the top seat, and a rotating shaft output by the driving mechanism is connected with a screw rod; the gate box is matched and sleeved in the area between the stand columns, the gate box is a cylindrical box body with a circular or prismatic hollow structure and is communicated up and down, the periphery of the gate box is a sealed arc plate or a plane plate, a matched sliding part is arranged at the contact position of the gate box and each stand column, the axis position of the gate box is connected with a screw pipe through a framework, the screw rod is matched and installed in the screw pipe, the gate box can be driven to move up and down along the inner wall of each stand column when the screw rod rotates, a water permeable plate is fixed on the outer side wall of the upper layer of the framework, a sealing plate is fixed on the middle layer, so that the framework is divided into an overflow section at the upper part, a water storage section at the middle part and a drain outlet at the lower part, and the gate box can be; and meanwhile, drilling a deep well at the bottom of part or all of the sedimentation reservoir to carry out deep well recharge discharge, arranging a deep well recharge system at the upper part of the deep well, and opening a deep well channel through the deep well recharge system to discharge confluent rainwater into the underground deep well when the water quality meets a set value.

6. The resource utilization system for rainfall flood according to claim 5, wherein the deep well recharging system comprises a fixed seat fixed on a well foundation around the deep well, the fixed seat is vertically connected with a plurality of upright posts to form a frame, the uppermost layer of each upright post is provided with a top seat through an upper cross beam, a driving mechanism is arranged above the top seat, and a rotating shaft of the driving mechanism is connected with a screw rod; the gate box is matched and sleeved in the area between the stand columns, the gate box is a cylindrical box body with a circular or prismatic hollow structure and is communicated up and down, the periphery of the gate box is a sealed arc plate or a sealed plane plate, a matched sliding part is arranged at the contact position of the gate box and each stand column, the axis position of the gate box is connected with a screw pipe through a framework, the screw rod is matched and installed in the screw pipe, the gate box can be driven to move up and down along the inner wall of each stand column when the screw rod rotates, a sealing plate is fixed on the outer side wall of the upper layer of the frame, so that the frame is divided to form a sealing section at the upper part and a recharging port at the lower part, and the recharging port can be sealed after the; or, the deep well recharging system comprises an inner net cylinder and an outer net cylinder which are sleeved on the inner wall of a deep well, a fiber layer is filled in an annular region formed between the inner net cylinder and a soil layer well wall, a gravel layer is filled in an annular region formed between the inner net cylinder and the outer net cylinder, the deep well is provided with a fixed hole-containing well lid which is fixedly sleeved with a well base, fixed permeable holes are uniformly distributed on the upper side of the fixed hole-containing well lid, movable well lids are superposed on the upper side of the fixed hole-containing well lid, movable permeable holes are uniformly distributed on the movable well lids, the number of the movable permeable holes is consistent with that of the fixed permeable holes, a fixed middle shaft is arranged in the center of the fixed hole-containing well lid, and a central hole is arranged in the center of the movable well lid and sleeved on; or, deep well recharge system includes that the inner net section of thick bamboo and outer net section of thick bamboo are equipped with in deep well inner wall cover, and the annular region intussuseption that forms between the inner net section of thick bamboo and the soil layer wall of a well is filled with the sand layer that permeates water, and the annular region intussuseption that forms between the inner net section of thick bamboo and the outer net section of thick bamboo is filled with the gravel layer, and the deep well sets up fixed seal well lid, and fixed seal well lid upper seal installs high pressure feed pipe, and the horizontal interlayer of multilayer is transversely fixed with in the wall of a well simultaneously, with a plurality of independent sealed backwater layers of deep well segmentation layer, high pressure feed pipe runs through in each sealed backwa.

7. A resource utilization system for rainfall flood according to claim 6, wherein a driving arm is arranged at the edge of the movable well cover, and the driving arm is hinged to the propelling end part of an electric push rod connected to the well base through a rotating shaft; or a water permeable interlayer is arranged at the local part in the sand gravel layer and is used for separating the upper sand gravel layer from the lower sand gravel layer.

8. The rainfall flood resource utilization system according to claim 5, wherein the ecological water storage area comprises an artificial water-permeable road and an artificial water-permeable ground, the artificial water-permeable road is formed by paving a curb base layer in the edge area of the upper part of the highway base layer, assembling curb stones and flat stones, and paving an asphalt middle-lower surface layer, a sealing layer and a water-permeable asphalt upper surface layer in sequence from bottom to top in the central area of the upper part of the highway base layer; the artificial water permeable ground comprises a vegetation water permeable ground and a road water permeable ground, the vegetation water permeable ground sequentially comprises a vegetation layer, vegetation soil, a fiber layer, a gravel layer and an original soil layer from top to bottom, and the road water permeable ground sequentially comprises water permeable bricks, a water permeable leveling layer, a water permeable base layer, a water permeable subbase layer and a soil base from top to bottom.

9. The rainfall flood resource utilization system according to claim 8, wherein underground confluence concealed pipes are laid at the bottom of the lower surface layer in the asphalt and are communicated with the adjacent sedimentation reservoir through underground drainage pipes; or the bottom of the gravel layer and the permeable base layer is provided with a V-shaped water accumulation groove structure, the bottom of the V-shaped water accumulation groove is paved with an underground convergence concealed pipe, and the underground convergence concealed pipe is communicated with a sedimentation reservoir in an adjacent area through an underground drainage pipe.

10. The rainfall flood resource utilization system according to claim 5, wherein the bilge well is internally provided with an outward-expanding conical protrusion part which comprises a well wall upper conical surface and a well wall lower conical surface, a floating body is sleeved on the inner side of the conical protrusion part and comprises a floating body upper conical surface and a floating body lower conical surface, a central hanging chain is fixed at the center of the upper end of the floating body and is fixed or driven, when the floating body is positioned at the center of the conical protrusion part, a fit clearance exists between the floating body and the inner wall of the conical protrusion part, the floating body upper conical surface can be matched and attached with the well wall upper conical surface after the floating body moves upwards, and the floating body lower conical surface can be matched and attached with the well wall lower conical surface.