CN212910926U

CN212910926U - Green roof based on sponge city building

Info

Publication number: CN212910926U
Application number: CN202021274522.8U
Authority: CN
Inventors: 郑海丽; 郑曼璇; 吴泽颖
Original assignee: Shenzhen Jinyuanda Construction Group Co ltd
Current assignee: Shenzhen Jinyuanda Construction Group Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-04-09
Anticipated expiration: 2030-07-01

Abstract

The utility model relates to a green roof based on sponge city building, including exposed roof, the vertical revetment that is fixed in on the exposed roof face edge, the annular storage water tank that sets up around the revetment, wall root around the revetment is provided with the aqua storage tank, exposed roof surface is provided with the cistern that a plurality of intervals set up, the aqua storage tank is located the storage water tank below, storage water tank and aqua storage tank intercommunication set up, be provided with slope flower jar frame around the revetment, the cascaded first groove of planting that is provided with of slope flower jar frame, first planting groove extends to the direction of keeping away from the revetment step by step, the cistern middle part is provided with the spiral pergola, the spiral pergola includes that support column and spiral second that sets up around the support column plant the groove, support column and cistern bottom fixed connection, the support column is hollow column. The utility model discloses have the exposed roof of make full use of and carry out the effect that rainwater integrated utilization was in order to impel green building, sponge city building.

Description

Green roof based on sponge city building

Technical Field

The utility model belongs to the technical field of the technique of rainwater integrated utilization system and specifically relates to a green roof based on sponge city building is related to.

Background

The sponge city is a new generation of urban rainfall flood management concept, and means that the city has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, absorbs water, stores water, seeps water and purifies water during raining, and releases and utilizes the stored water when needed.

Referring to the utility model with publication number CN207998908U, the utility model discloses a comprehensive rainwater utilization system for sponge city buildings, which comprises a rain pipe, a steel bar gabion wall, a high-position flower bed and a pebble grass planting ditch; the rain downpipe is installed on a building, the reinforced stone cage wall is arranged on the periphery of a house, the high-position flower bed is arranged below the reinforced stone cage, the lower planting soil layer in the high-position flower bed is ceramsite soil, a seepage pipe is buried at the bottom of the ceramsite soil and communicated to the pebble grass planting ditch, and water in the pebble grass planting ditch is communicated to a municipal pipe network.

The above prior art solutions have the following drawbacks: at present, the exposed roof area of China is more than 100 hundred million square meters, green buildings are created through three-dimensional greening on the exposed roofs so as to make full use of rainwater resources, the huge challenge of the sponge city is that the utility model has not developed more sufficient development and utilization on the exposed roofs occupying larger areas, and the utility model also has a space to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a green roof based on sponge city building has the exposed roof of make full use of and carries out the advantage that rainwater integrated utilization was in order to impel green building, sponge city building.

The utility model discloses a can realize through following technical scheme:

a green roof based on a sponge city building comprises a bare roof, a retaining wall vertically fixed on the edge of the bare roof and a rainwater utilization system, wherein the rainwater utilization system comprises an annular water storage tank arranged around the retaining wall, the water storage tank is provided with an upward opening and a water storage tank arranged around the wall root of the retaining wall, the surface of the bare roof is provided with a plurality of reservoirs arranged at intervals, the water storage tank is positioned below the water storage tank, the water storage tank and the water storage tank are communicated, an inclined flower and jar frame is arranged around the retaining wall, the inclined flower and jar frame is provided with a first planting tank in a stepped manner, the first planting tank extends in the direction far away from the retaining wall in a stepped manner, the first planting tank is filled with a first filler for planting green plants, the middle part of the reservoir is provided with a spiral flower stand, the spiral flower stand comprises a support column and a spiral second planting tank arranged around the support, support column and cistern bottom fixed connection, the support column is hollow post, communicate the setting each other between cistern and the support column, the second is planted the inslot and is filled with the second filler that is used for planting green planting.

Through adopting above-mentioned technical scheme, the storage water tank opening part is used for planting the plant that floats. Rainwater is accumulated through the reservoir and the water storage tank to increase the accumulation amount of the rainwater. First planting the groove, the second is planted the setting up of groove and also has certain effect of accumulating to the rainwater, first planting the groove, the groove is planted to the second, the three-dimensional greening that the storage water tank caused is beaten further increases the utilization and the storage to the rainwater, the green roof of this application is a low cost, it is convenient to be under construction, green energy-conserving sponge city rainwater is collected and is utilized the system, can improve rainwater recycle efficiency, afforestation maintenance cost has been saved when promoting the urban greening rate, the effectual collection that has improved the rainwater, the utilization effect, abundant propulsion green building, the beating of sponge city building is made.

The utility model discloses further set up to: the utility model discloses a flower bed frame, including slope flower bed frame top, watering subassembly, watering pipe and aqua storage tank, slope flower bed frame top is provided with the subassembly of watering around first planting groove, the subassembly of watering is provided with watering pipe and first delivery pipe every circle first planting groove correspondence, watering pipe has seted up a plurality of holes of watering, and is a plurality of the hole of watering sets up along watering pipe's length direction interval, and is a plurality of set up through first delivery pipe intercommunication between the watering pipe, the one end and the aqua storage tank bottom intercommunication setting of dado are kept away from to first delivery pipe, be provided with the water pump in the aqua storage tank, the play water end and the first delivery pipe intercommunication setting of water pump, the.

Through adopting above-mentioned technical scheme, when the green plant of first planting inslot needs the moisture, open the water pump, the water pump is intraductal that waters through first delivery pipe with the water transport in the aqua storage tank to green plant for first planting inslot irrigates. The survival rate of the green plants in the first planting groove is improved.

The utility model discloses further set up to: slope flower bed frame top is provided with parasitic subassembly around first planting groove, parasitic subassembly includes a plurality of slots, respectively with a plurality of slots grafting complex plant jar and a plurality of root guide groove, a plurality of the slot is seted up in watering pipe top, and is a plurality of the slot sets up along watering pipe's length direction interval, the opening of slot up, a plurality of root guide groove sets up in watering pipe bottom, root guide groove and watering pipe intercommunication set up, every slot corresponds one and draws root groove, it is equipped with a plurality of root holes of wearing to plant a jar diapire.

Through adopting above-mentioned technical scheme, the setting of planting the jar plays make full use of the space of watering pipe, and the setting of leading the root groove plays the green root of planting in the amazing planting jar and can extend to the effect that leads the root inslot, leads the root groove also for planting the green in the jar and plant and provide the moisture source to improve the green survival rate of planting in the planting jar.

The utility model discloses further set up to: the parasitic assembly further comprises an embedded groove matched with the guide root grooves in a clamping mode, and the embedded groove is formed in the top of the inclined flower bed frame.

Through adopting above-mentioned technical scheme, will draw the root groove to insert in the embedded groove for the hose that drips can be more firm installs in slope flower bed frame top.

The utility model discloses further set up to: spiral flower frame top is provided with the equal the same or similar subassembly and the parasitic subassembly that waters of structure and principle on the slope flower jar frame, the support column top is equipped with the catchbasin, catchbasin and support column intercommunication set up, spiral flower frame still includes the second delivery pipe, set up through second delivery pipe intercommunication between a plurality of watering pipes of spiral flower frame, be provided with the water pump in the cistern, the play water end and the second delivery pipe intercommunication setting of water pump, the end and the cistern intercommunication setting of intaking of water pump.

By adopting the technical scheme, the water collecting basin is used for planting floating plants, the spiral flower stand is also provided with the watering assembly and the parasitic assembly, the greening area of the exposed roof is increased, the rainwater collecting and utilizing capacity of the exposed roof is increased, and the construction of sponge cities is further promoted. When the green planting in the first planting groove needs moisture, open the water pump, the water pump carries the water in the cistern through the second delivery pipe in the watering pipe to plant the green planting in the groove for the second and irrigate, improved the green survival rate of planting in the groove of second.

The utility model discloses further set up to: a plurality of outlet have been seted up to the bottom of aqua storage tank, rainwater utilizes the system still includes a plurality of drainage pipes, is used for controlling the motorised valve of the water break-make in the drainage pipe, a plurality of liquid level sensors of monitoring water liquid level in the storage water tank and all with motorised valve, liquid level sensor electric connection's controller, drainage pipe and outlet intercommunication set up, drainage pipe communicates to municipal pipe network, it rises to the drainage liquid level of regulation liquid level and the lock water liquid level that the water drops to the regulation liquid level to be provided with the water in the storage water tank, and is a plurality of the liquid level sensor sets up respectively at drainage liquid level and lock water liquid level, aqua storage tank and cistern intercommunication set up, water catch bowl top place horizontal plane is less than water storage tank.

Through adopting above-mentioned technical scheme, the liquid level inductor of drainage liquid level is touched to the rainwater of piling up in the storage water tank when too much, and on the liquid level inductor on the drainage liquid level sent signal to the controller, the controller drive motorised valve opened the outlet to drainage pipe is gone into with too much water. Touch the liquid level inductor of lock water liquid level when the water in the storage water tank drops to lock water liquid level, lock on the liquid level inductor generating signal on the water liquid level arrives the controller, the outlet is closed to controller drive motorised valve to save the water in aqua storage tank, play the slow flow effect to rainwater resource, reduce the discharge pressure of municipal pipe network. The linkage of aqua storage tank and cistern, the rainwater collection effect on the more abundant assurance exposed roof avoids one of them rainwater earlier to collect too much and diffuse to exposed roof surface, and the liquid level inductor's of being not convenient for timely response influences the retaining effect on exposed roof.

The utility model discloses further set up to: and the bottoms of the first planting groove and the second planting groove are provided with water seepage holes.

Through adopting above-mentioned technical scheme, the infiltration hole is avoided because the rainwater leads to first planting groove and second to plant groove ponding too much to improve the survival rate of green planting.

The utility model discloses further set up to: the first filler is a ceramsite soil layer, a planting soil layer, a straw stalk layer, a resin cotton layer, an active carbon layer and a ceramsite soil layer from top to bottom in sequence, and the second filler is consistent with the first filler in structure.

Through adopting above-mentioned technical scheme, the straw layer can be rotten after soaking through water, for vegetation provides more nutrients, the storage and the utilization of haydite soil increase rainfall, activated carbon plays the effect of purifying the rainwater resource, the cotton layer of resin has stronger water absorption to moisture, be used for the storage to follow the moisture that plants the soil layer and ooze, reduce the loss of the intraformational moisture of planting soil, and moisture in the cotton layer of resin can be fed back to planting the soil layer once more by the evaporation in the daytime, provide moisture for the plant, improve the survival rate of plant.

The utility model discloses further set up to: the exposed roof is provided with a water pump for conveying water in the water storage tank and the water storage tank to the watering assembly.

By adopting the technical scheme.

The utility model discloses further set up to: the controller is further electrically connected with an electronic timer, a wireless transmission device is arranged in the electronic timer, the water pump of the inclined flower stand is electrically connected with the controller, and the water pump of the spiral flower stand is electrically connected with the controller.

Through adopting above-mentioned technical scheme, be provided with wireless transmission device in the electronic timer to be convenient for staff's remote control carries out the relevant edition with using to the electronic timer, with the frequency that the control water pump was opened. And editing the electronic timer to specify the starting time of the water pump, and when the specified time of the electronic timer is reached, transmitting a signal to the controller by the electronic timer, and controlling the starting of the water pump by the controller, so that a water body is provided for the water storage tank, the inclined flower bed frame and the spiral flower frame, and moisture is provided for green plants on the exposed roof in a dry season.

To sum up, the utility model discloses a beneficial technological effect does:

1. the water storage tank, the inclined flower-jar frame and the spiral flower stand are arranged, rainwater is stored to a certain extent, and the utilization and storage of rainwater are further increased due to three-dimensional greening caused by the inclined flower-jar frame, the spiral flower stand and the water storage tank;

2. through setting up automation equipment such as water pump, water pumper, electronic timer and controller, can be the biggest efficiency collect and discharge the rainwater to can the automatic control expose the green frequency of planting watering on the roof, convenient and fast.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the position relationship among the water storage tank, the inclined flower pot rack, the spiral flower shelf, the watering assembly and the parasitic assembly according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the position relationship among the water storage tank, the electric valve, the inclined flower-jar rack, the spiral flower stand, the watering assembly and the parasitic assembly according to an embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view of an embodiment of the present invention.

Fig. 5 is an enlarged schematic view of a structure at a in fig. 4.

Fig. 6 is an enlarged schematic view of B in fig. 2.

Fig. 7 is an enlarged schematic view of the structure at C in fig. 4.

In the figure, 1, a bare roof; 2. wall protection; 3. a water storage tank; 4. a water storage tank; 41. a first filter screen; 42. a water outlet; 43. a water discharge pipeline; 44. the drainage liquid level; 45. locking the water level; 5. a reservoir; 51. a second filter screen; 6. an electrically operated valve; 7. inclining the flower and jar frame; 71. a first planting groove; 72. a water seepage hole; 8. a watering assembly; 81. watering pipes; 82. watering holes; 83. a first water supply pipe; 9. a parasitic element; 91. a slot; 92. planting in a pot; 93. root penetrating holes; 94. a root guiding groove; 95. a groove is embedded; 10. a spiral flower stand; 101. a support pillar; 102. a second planting groove; 103. a second water supply pipe; 104. a water collecting basin.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a green roof based on sponge city building, including exposed roof 1, the vertical revetment 2 and the rainwater utilization system that are fixed in on the edge of exposed roof 1. The rainwater utilization system includes an annular water storage tank 3 disposed around the retaining wall 2, the water storage tank 3 having an upward opening. The opening of the water storage tank 3 is used for planting floating plants. A water storage tank 4 is arranged around the wall root of the retaining wall 2, and a plurality of water storage tanks 5 arranged at intervals are arranged on the surface of the exposed roof 1. The reservoir tank 4 is located 3 below of storage water tank, and storage water tank 3 sets up from bottom and 4 top intercommunications of reservoir tank, and one side protrusion that retaining wall 2 was kept away from in storage water tank 3 to one side that retaining wall 2 was kept away from to reservoir tank 4. Lateral wall that revetment 2 was kept away from to aqua storage tank 4 is the slope setting, and the incline direction is followed the roofing surface and is leaned on to aqua storage tank 4 bottom, and the rainwater resource of being convenient for assembles in the aqua storage tank 4. A first filter screen 41 is arranged at the opening of the water storage tank 4. The bottom of the water storage tank 4 is provided with a plurality of water outlets 42. The water storage tank 4 is communicated with the water storage pool 5.

Referring to fig. 2 and 3, the rainwater utilization system further includes a plurality of drainage pipes 43, an electric valve 6 for controlling the on-off of the water in the drainage pipes 43, a plurality of liquid level sensors (not shown) for monitoring the liquid level of the water in the water storage tank 3, and a controller (not shown) electrically connected to the electric valve 6 and the liquid level sensors, wherein the drainage pipes 43 and the drainage ports 42 are arranged in a one-to-one correspondence manner, the drainage pipes 43 and the corresponding drainage ports 42 are communicated, and the drainage pipes 43 are communicated to a municipal pipe network. The motor-operated valve 6 is attached to the upper end of the drain opening 42. The water storage tank 3 is internally provided with a drainage liquid level 44 and a water locking liquid level 45, wherein the drainage liquid level 44 indicates that the water stored in the water storage tank 3 excessively rises to the drainage liquid level 44, and the water locking liquid level 45 indicates that the water in the water storage tank 3 falls below the water locking liquid level 45. The liquid level sensors are respectively arranged at a drainage liquid level 44 and a water locking liquid level 45. When the water in the water storage tank 3 rises to a specified drainage liquid level 44, a liquid level sensor on the drainage liquid level 44 sends a signal to the controller, and the controller drives the electric valve 6 to open the drainage port 42, so that the excessive water is drained into the drainage pipeline 43. When the water in the water storage tank 3 drops to the water locking liquid level 45, a liquid level sensor on the water locking liquid level 45 generates a signal to the controller, and the controller drives the electric valve 6 to close the water outlet 42, so that the water is stored in the water storage tank 3 and the water storage tank 5.

Referring to fig. 4 and 5, an inclined flower and jar frame 7 is arranged around the water storage tank 3, the inclined flower and jar frame 7 is positioned on one side of the water storage tank 3 far away from the protective wall 2, and a gap is formed between the bottom of the inclined flower and jar frame 7 and the bottom of the water storage tank 4, so that rainwater falling onto the exposed roof 1 can be drained into the water storage tank 4 conveniently. The bottom of the inclined flower and jar frame 7 is provided with a water seepage hole 72 to prevent excessive water accumulation in the inclined flower and jar frame 7. The inclined flower and jar frame 7 is provided with a first planting groove 71 in a step mode, and the first planting groove 71 extends in a direction far away from the protective wall 2 step by step. The first planting groove 71 is filled with a first filler (not shown in the figure) for planting green plants, and the first filler is a ceramsite soil layer, a planting soil layer, a straw layer, a resin cotton layer, an activated carbon layer and a ceramsite soil layer from top to bottom in sequence.

With continued reference to fig. 4 and 5, the top of the inclined flower and jar shelf 7 is provided with a watering assembly 8 and a parasitic assembly 9 around the first planting groove 71. The watering assembly 8 comprises a watering pipe 81 and a first water supply pipe 83, and each circle of the first planting grooves 71 is correspondingly provided with a circle of the watering pipe 81. Referring to fig. 6, a plurality of watering holes 82 are opened on one side of the watering pipe 81 facing the first filler, so as to allow water in the watering pipe 81 to permeate into the corresponding first planting grooves 71. The plurality of watering holes 82 are provided at equal intervals along the length direction of the watering pipe 81. The plurality of watering pipes 81 are communicated with each other through a first water supply pipe 83. A water pump (not shown in the figure) is arranged in the water storage tank 4, the water outlet end of the water pump is communicated with the first water supply pipe, the water inlet end of the water pump is communicated with the water storage tank 4, and the water in the water storage tank 4 can be conveyed to the watering assembly 8 by starting the water pump. The water pump is electrically connected with the controller.

Referring to fig. 5 and 6, the parasitic element 9 includes a plurality of slots 91, planting pots 92 respectively mating with the slots 91, a plurality of root slots 94, and insertion slots 95 respectively mating with the root slots 94. A plurality of slots 91 are opened at the top of the watering pipe 81, a plurality of slots 91 are arranged along the length direction of the watering pipe 81 at equal intervals, and the openings of the slots 91 are upward. The bottom wall of the planting pot 92 is provided with a plurality of root penetrating holes 93. The plurality of root guiding grooves 94 are arranged at the bottom of the watering pipe 81, and the root guiding grooves 94 are communicated with the watering pipe 81. The guide groove 94 is preferably a concave circular shape, although other shapes are possible, and are merely exemplary and not intended to limit the shape of the guide groove 94. Each slot 91 corresponds to one root guiding groove 94, so that the green roots in the stimulation planting pot 92 can extend into the root guiding groove 94. The embedded groove 95 is formed in the top of the inclined flower and jar frame 7, so that the watering pipe 81 can be stably installed on the top of the inclined flower and jar frame 7.

Referring to fig. 4 and 7, a second screen 51 is provided at the top of the reservoir 5, and the spiral flower stand 10 is provided at the middle of the reservoir 5. The spiral flower stand 10 includes a support column 101, a second planting tank 102 spirally disposed around the support column 101, and a second water supply pipe 103. The supporting column 101 penetrates through the second filter screen 51 and is fixedly connected with the bottom of the water reservoir 5. The support column 101 is a hollow column, and a water collecting basin 104 is arranged at the top of the support column 101. The water reservoir 5, the supporting column 101 and the water collecting basin 104 are communicated with each other. The second planting groove 102 is filled with a second filler (not shown) for planting green plants, and the second filler is in a structure consistent with the first filler. The top of the spiral flower stand 10 is provided with a watering component 8 and a parasitic component 9 which have the same or similar structure and principle with the inclined flower pot stand 7. The second water supply pipe 103 is located at the end of the watering pipe 81 of the spiral flower stand 10 away from the support column 101, the end of the second water supply pipe 103 away from the watering pipe 81 is inserted into the water storage tank 5 to be communicated with the water storage tank 5, a water pump (not shown) is also arranged in the water storage tank 5, the water outlet end of the water pump is communicated with the second water supply pipe 103, the water inlet end of the water pump is communicated with the water storage tank 5, and the water pump is started to convey water in the water storage tank 5 to the watering assembly 8 of the spiral flower stand 10. The water pump in the reservoir 5 is also electrically connected with the controller. The catchment basin 104 is also used for planting floating plants. The level of the top of the water collection basin 104 is lower than the level of the top of the water storage tank 3. The second planting groove 102 is positioned right above the water reservoir 5. The bottom of the second planting groove 102 is also provided with a water seepage hole 72.

The exposed roof 1 is provided with a water pump (not shown in the figure) for delivering water of the municipal pipe network into the water storage tank 4 so as to provide water for green plants on the exposed roof 1 in a dry season, thereby realizing the cyclic utilization of rainwater. The water pump is electrically connected with the controller.

The controller is also electrically connected with an electronic timer (not shown in the figure), and a wireless transmission device is arranged in the electronic timer, so that the remote control of workers is facilitated to carry out related editing on the use of the electronic timer, and the frequency of starting the water pump and the water pump is controlled. The electronic timer is edited to specify the time that the pump and pump are on, and when the specified time is reached, the electronic timer transmits a signal to the controller which controls the turning on of the pump and pump to provide moisture to green plants on the bare roof 1 during the arid season.

The utility model discloses an implement the principle and do:

rainwater is accumulated through the reservoir 5 and the water storage tank 4, and more rainwater can be accumulated because the reservoir 5 and the water storage tank 4 are communicated with each other. The arrangement of the first planting groove 71, the second planting groove 102 and the watering assembly 8 also has a certain accumulation effect on rainwater.

When excessive rainwater accumulated in the water storage tank 4 touches the liquid level sensor of the drainage liquid level 44, the liquid level sensor on the drainage liquid level 44 sends a signal to the controller, and the controller drives the electric valve 6 to open the drainage port 42, so that excessive water is drained into the drainage pipeline 43. When the water in the water storage tank 4 falls to the water locking liquid level 45, the liquid level sensor of the water locking liquid level 45 is triggered, the liquid level sensor on the water locking liquid level 45 generates a signal to the controller, and the controller drives the electric valve 6 to close the water outlet 42, so that the water is stored in the water storage tank 4 and the water storage pool 5.

When the green plants in the first planting groove 71, the second planting groove 102 and the parasitic assembly 9 need to be watered, the time of the electronic timer is edited according to the lack condition, when the time specified by the electronic timer is reached, the electronic timer transmits a signal to the controller, the controller controls the starting of the water pump and the water pump, the water pump is started to supplement water resources for the water storage groove 4, the water storage tank 5 and the watering assembly 8, and the water in the watering pipe 81 flows into the first planting groove 71 and the second planting groove 102 through the watering holes 82, so that the green plants on the exposed roof 1 can be irrigated in the dry season.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a green roof based on sponge city building which characterized in that: including exposed roof (1), vertical revetment (2) and the rainwater utilization system of being fixed in on exposed roof (1) face edge, the rainwater utilization system includes annular storage water tank (3) that sets up around revetment (2), storage water tank (3) have ascending opening, are provided with aqua storage tank (4) around the wall root of revetment (2), and exposed roof (1) surface is provided with cistern (5) that a plurality of intervals set up, aqua storage tank (4) are located storage water tank (3) below, storage water tank (3) and aqua storage tank (4) intercommunication set up, are provided with slope flower altar frame (7) around revetment (2), slope flower altar frame (7) are cascaded and are provided with first planting groove (71), first planting groove (71) extend to the direction of keeping away from revetment (2) step by step, first planting groove (71) intussuseption is filled with the first filler that is used for planting green planting step by step, cistern (5) middle part is provided with spiral flower stand (10), spiral flower stand (10) plant groove (102) including support column (101) and the spiral second that sets up around support column (101), support column (101) and cistern (5) bottom fixed connection, support column (101) are hollow post, communicate the setting each other between cistern (5) and the support column (101), the second is planted and is filled with the second filler that is used for planting green planting in groove (102) to the second.

2. The green roof based on sponge city building of claim 1, characterized in that: the top of the inclined flower and jar frame (7) is provided with a watering assembly (8) around a first planting groove (71), the watering assembly (8) comprises watering pipes (81) and first water supply pipes (83), each circle of the first planting groove (71) is correspondingly provided with the watering pipes (81), the watering pipes (81) are provided with a plurality of watering holes (82), the watering holes (82) are arranged along the length direction of the watering pipes (81) at intervals and are arranged in a plurality of communicating modes between the watering pipes (81) through the first water supply pipes (83), one end of a protective wall (2) and the bottom of a water storage groove (4) are communicated and arranged through the first water supply pipes (83), a water pump is arranged in the water storage groove (4), the water outlet end of the water pump and the first water supply pipes (83) are communicated and arranged, and the water inlet end of the water pump and the water storage groove (4) are communicated and arranged.

3. The green roof based on sponge city building of claim 1, characterized in that: slope flower jar frame (7) top is provided with parasitic subassembly (9) around first planting groove (71), parasitic subassembly (9) include a plurality of slots (91), respectively with a plurality of slots (91) grafting complex plant jar (92) and a plurality of root guide groove (94), a plurality of watering pipe (81) top is seted up in slot (91), and is a plurality of length direction interval along watering pipe (81) sets up slot (91), the opening of slot (91) up, a plurality of root guide groove (94) set up in watering pipe (81) bottom, root guide groove (94) and watering pipe (81) intercommunication set up, root guide groove (94) are led to every slot (91) correspondence one, it is equipped with a plurality of root holes (93) of wearing to plant jar (92) diapire.

4. The green roof based on sponge city building of claim 3, characterized in that: parasitic component (9) still include with a plurality of root guide groove (94) joint complex embedded groove (95), embedded groove (95) are seted up at slope jars frame (7) top.

5. The green roof based on sponge city building of claim 1, characterized in that: spiral flower stand (10) top is provided with the equal the same or similar subassembly (8) and parasitic component (9) of watering of structure and principle on slope flower jar frame (7), support column (101) top is equipped with basin (104), basin (104) and support column (101) intercommunication set up, spiral flower stand (10) still includes second delivery pipe (103), set up through second delivery pipe (103) intercommunication between a plurality of watering pipe (81) of spiral flower stand (10), be provided with the water pump in cistern (5), the play water end and the second delivery pipe (103) intercommunication setting of water pump, the end of intaking and cistern (5) intercommunication setting of water pump.

6. The green roof based on sponge city building of claim 1, characterized in that: a plurality of outlet (42) have been seted up to the bottom of aqua storage tank (4), rainwater utilization system still includes a plurality of drainage pipe (43), be used for controlling the motorised valve (6) of the water break-make in drainage pipe (43), a plurality of liquid level inductors of monitoring storage water tank (3) interior water liquid level and all with motorised valve (6), liquid level inductor electric connection's controller, drainage pipe (43) and outlet (42) intercommunication set up, drainage pipe (43) communicate to municipal pipe network, be provided with in storage water tank (3) that the water rises drainage liquid level (44) and the water that the water falls to the lock water of regulation liquid level.

7. The green roof based on sponge city building of claim 1, characterized in that: and water seepage holes (72) are formed in the bottoms of the first planting groove (71) and the second planting groove (102).

8. The green roof based on sponge city building of claim 1, characterized in that: the first filler is a ceramsite soil layer, a planting soil layer, a straw stalk layer, a resin cotton layer, an active carbon layer and a ceramsite soil layer from top to bottom in sequence, and the second filler is consistent with the first filler in structure.

9. The green roof based on sponge city building of claim 1, characterized in that: the exposed roof (1) is provided with a water pump for conveying water in the water storage tank (4) and the water storage pool (5) to the watering assembly (8).

10. The green roof based on sponge city building of claim 6, characterized in that: the controller is further electrically connected with an electronic timer, a wireless transmission device is arranged in the electronic timer, the water pump of the inclined flower and jar frame (7) is electrically connected with the controller, and the water pump of the spiral flower rack (10) is electrically connected with the controller.