CN201089953Y

CN201089953Y - System for collection and comprehensive utilization of city rainwater

Info

Publication number: CN201089953Y
Application number: CNU2007200875117U
Authority: CN
Inventors: 覃保健
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-10-07
Filing date: 2007-10-07
Publication date: 2008-07-23
Anticipated expiration: 2017-10-07

Abstract

The utility model discloses a system for collecting and comprehensively utilizing urban rain water, which consists of building top surface reservoirs, residential domestic reservoirs, ground drains and water collecting wells; the building top surface reservoirs are communicated with the water collecting wells by downflow pipes; the residential water collecting reservoirs are communicated with the downflow pipe through branch water pipes; the ground drains collect water in the water collecting wells; groundwater recirculation pipes are embedded radially around the water collecting wells; the lower end of the downflow pipes are provided with overflow valves; the upper ends of micro-control water pipes are communicated with downflow pipes at the upper part of the building top surface reservoirs, the lower ends of the micro-control water pipes are communicated with the lever transmission mechanisms of the overflow valves; the utility model has the advantages of low cost, quick effect, large function, single investment bringing permanent benefits, automatic operation after built, no land occupation, etc.; the economic benefits, ecological benefits and the social benefits are obvious; a long-term mechanism for compensating groundwater is established, the ceaseless settlement of urban ground is effectively controlled, new urban water source of undrinkable water is created; meanwhile, the system is capable of performing flood distribution function and reducing urban water logging when floods occur.

Description

Urban rainwater is collected and utilization system

Technical field

The utility model belongs to the rainwater utilization category, and a kind of urban rainwater is collected and utilization system.

Background technology

City scope is in continuous expansion, and hardened ground is in continuous expansion, and be on the increase in the sclerosis gutter, therefore, fewer and feweri by the probability of rainwater recharge groundwater in the urban area; Phreatic overdraft, groundwater table decreasing, the ground loading ability reduces; Highrise building is on the increase, and ground load continues to increase, and makes urban ground in continuous sedimentation.Controlling this sedimentation of urban ground, must improve load supporting ability of ground, is crucial and improve groundwater table.Present case is, allows abundant rainwater run off in vain on the one hand, and the spend huge sums water that extracts rivers and lakes of the city that has on the other hand recharges undergroundly, and in the hope of improving groundwater level, this is a makeshift, sets up long-term mechanism and is only very wise move.China is one of country of serious water shortage in the world, how to fully utilize rainwater effectively and puts on agenda.Now, utilize reservoir filling in vast open country, outside the vegetation water conservation, particularly in the city, the collection utilization of rainwater still is in the proposal stage.

Summary of the invention

The purpose of this utility model provides a kind of the collection and the system that fully utilizes rainwater, to improve the utilization rate of city to rainwater.The technical scheme that realizes above-mentioned purpose is as follows:

1, this urban rainwater is collected and utilization system, by storied house roofing collecting-tank, family of resident family water storage box, land drain and retaining well construction.Described storied house roofing collecting-tank is communicated with the retaining well by sewer pipe, and family of resident family water storage box is communicated with sewer pipe by branching pipe.Described land drain catchments to the retaining well, the retaining well underground to around radiant type bury the groundwater recharge pipe underground, recharge and recharge the hole on the tube wall.Described sewer pipe lower end is provided with the spilling water valve, and micro-control water pipe upper end is communicated with it on storied house roofing collecting-tank top, and the lower end is communicated with spilling water valve lever transmission mechanism.

2, described groundwater recharge pipe is arranged on the middle and upper part of retaining well, and the following retaining well borehole wall of groundwater recharge pipe is the sclerosis borehole wall.The geothermal energy utilization device is placed in the shaft bottom.

3, in family of the described resident family water storage box float valve is set, water valve and filter screen are set on its branching pipe.

4, be separated into sand trap and reservoir in the described storied house roofing collecting-tank; Land drain is provided with sand sediment trap and filter coral at inlet with near retaining Jing Chu.

When raining, the rainwater on the storied house roofing confluxes into collecting-tank, enters reservoir behind the sand trap desilting.Flow into family's water storage box of each resident family then through sewer pipe and branching pipe, make undrinkable water for resident family and use.After the water storage box of all resident families of building held full water, water level rose in the collecting-tank, and water makes the lever transmission mechanism action and opens the spilling water valve from micro-control water pipe inflow spilling water valve lever transmission mechanism (prior art), and the water in the collecting-tank begins to flow into the retaining well.Drawdown is to micro-control water pipe delivery port when following in the collecting-tank, lever transmission mechanism dehydration and returning to normal, and the spilling water valve cuts out.Ground rainwater confluxes into the retaining well behind desilting and filter coral from the sclerosis gutter, through groundwater recharge pipe recharge groundwater, groundwater level is risen.Well water in the sclerosis borehole wall is then standby as undrinkable water water source, city.Because the retaining well is darker, the water temperature in shaft bottom changes little, and substantially constant is placed geothermal energy utilization device (prior art) therein, and the indoor air-conditioning that can be used as of this geothermal energy input uses.

The utility model urban rainwater collects that to have a cost low with utilization system, instant effect, and effect is big, once drops into, lasting being benefited, in case build up, operation does not account for advantages such as soil, economic benefit, ecological benefits and obvious social benefit automatically.The utility model urban rainwater is collected with utilization system long-term mechanism has been set up in phreatic supply, effectively controls the continuous sedimentation of urban ground, opens up the city such as new water sources of undrinkable water such as gardens water road surface waterings.Water for fire is particularly fetched water on the spot at the fire nidus and to be sued and laboured, and has improved the urban fire control ability greatly.Simultaneously, the utility model can also play partly flood diversion effect when flood took place, and reduced the city waterlogging.

Description of drawings

Accompanying drawing is collected and the utilization system structural representation for the utility model urban rainwater.

In the accompanying drawing, storied house roofing collecting-tank (1), family of resident family water storage box (2), land drain (3), retaining well (4), sewer pipe (5), branching pipe (6), groundwater recharge pipe (7) recharges hole (8), spilling water valve (9), micro-control water pipe (10), spilling water valve lever transmission mechanism (11), the sclerosis borehole wall (12), geothermal energy utilization device (13), float valve (14), water valve (15), filter screen (16), sand trap (17), reservoir (18), sand sediment trap (19), family of resident family water storage box intake (20), retaining well intake (21), gutter filter coral (22).

The specific embodiment

With reference to accompanying drawing, the utility model urban rainwater is collected with utilization system and is made up of storied house roofing collecting-tank (1), family of resident family water storage box (2), land drain (3) and retaining well (4).The storied house roofing collecting-tank is communicated with the retaining well by sewer pipe (5), and family of resident family water storage box is communicated with sewer pipe by branching pipe (6).Land drain catchments to the retaining well through sand sediment trap (19) and filter coral (22) back, and the retaining well buries groundwater recharge pipe (7) at underground to radiant type all around, recharges and recharges hole (8) on the tube wall.The sewer pipe lower end is provided with spilling water valve (9), and micro-control water pipe (10) upper end is communicated with it on storied house roofing collecting-tank top, and the lower end is communicated with spilling water valve lever transmission mechanism (11).The groundwater recharge pipe select for use plastic pipe to be embedded in the middle and upper part soil of retaining well and to around stretch and form the groundwater recharge net.The following borehole wall of groundwater recharge pipe is the sclerosis borehole wall (12), and geothermal energy utilization device (13) is placed in the shaft bottom.Float valve (14) is set in family of the resident family water storage box, water valve (15) is set on its branching pipe so that to the maintenance of water storage box and branching pipe, filter screen (16) is set simultaneously, and foreign material enter branching pipe and water storage box in the water to intercept.Be separated into one or more levels sand trap (17) and reservoir (18) in the storied house roofing collecting-tank, gutter inlet and close retaining Jing Chu are provided with sand sediment trap (19) and filter coral (22).The gutter must separate with the blowdown ditch.Rainwater under the retaining well holds not during heavy rain can enter the rivers from the gutter again.In the place that building is arranged, the retaining well can be arranged under the passageway or street between the building, and spacious ground can be apart from being arranged on the underground of square, green land or road both sides aptly, and its density degree of depth and width should be decided according to local hydrologic regime.Family of resident family water storage box can be arranged on ceiling below, washroom.Lever one end of spilling water valve lever transmission mechanism is provided with little bucket, and the other end is connected with the spilling water valve operating rod, and when little bucket was full of water, its weight made lever action, opened the spilling water valve; During little bucket dehydration, lever recovers normal condition, and the spilling water valve cuts out.

Claims

1. a urban rainwater is collected and utilization system, form by storied house roofing collecting-tank (1), family of resident family water storage box (2), land drain (3) and retaining well (4), it is characterized in that described storied house roofing collecting-tank (1) is communicated with retaining well (4) by sewer pipe (5), family of resident family water storage box (2) is communicated with sewer pipe (5) by branching pipe (6); Described land drain (3) catchments to retaining well (4), retaining well (4) underground to around radiant type bury groundwater recharge pipe (7) underground, recharge and recharge hole (8) on the tube wall; Described sewer pipe (5) lower end is provided with spilling water valve (9), and micro-control water pipe (10) upper end is communicated with it on storied house roofing collecting-tank (1) top, and the lower end is communicated with spilling water valve lever transmission mechanism (11).

2. collect and utilization system according to the described urban rainwater of claim 1, it is characterized in that described groundwater recharge pipe (7) is arranged on the middle and upper part of retaining well (4), the following retaining well borehole wall of groundwater recharge pipe is the sclerosis borehole wall (12), and geothermal energy utilization device (13) is placed in the shaft bottom.

3. collect and utilization system according to the described urban rainwater of claim 1, it is characterized in that float valve (14) is set in family of the described resident family water storage box (2), water valve (15) and filter screen (16) are set on its branching pipe (6).

4. collect and utilization system according to the described urban rainwater of claim 1, it is characterized in that being separated in the described storied house roofing collecting-tank (1) sand trap (17) and reservoir (18); Land drain (3) is locating to be provided with sand sediment trap (19) and filter coral (22) near retaining well (4).