CN208183908U - The water treatment system of the draining of ground library top plate, salt discharge and sponge city - Google Patents

Abstract

The utility model discloses the water treatment systems in the draining of a kind of ground library top plate, salt discharge and sponge city, including ground library top plate drainage arrangement, salt discharge device and sponge city processing unit；Salt discharge device includes the salt discharge hole being arranged on osmos tube；Sponge city processing unit includes sponge overflow pipe, filter screen, seepage well and the backfill being arranged between Rain Garden and ground library top plate, seepage well is vertically arranged, sponge overflow pipe is horizontally disposed, the middle part of sponge overflow pipe across and be connected to the well head of seepage well, the both ends of sponge overflow pipe extend to Rain Garden, the bottom of seepage well is connected to osmos tube, and filter screen is arranged in the side and bottom of seepage well.The utility model has the following beneficial effects: not needing to look for slope；Without the concern for the resistance to overhead flooding injury of sponge city plantation；Flexible design has little effect the absolute altitude of comprehensive pipe network construction；System is reliable；Draining, salt discharge effect are obvious, and convenient for detection；Easy access and maintenance, maintenance cost are low；Two kinds of operational modes of auto-manual；Application method is simple.

Description

The water treatment system of the draining of ground library top plate, salt discharge and sponge city

Technical field

The utility model relates to technical field of drainage, and in particular to a kind of ground library top plate draining, salt discharge and sponge city Water treatment system.

Background technique

(hereinafter referred to as tradition is set existing ground library top plate water discharge technology Primary Reference " national building standard atlas 14J206 " Meter), draining designs drain bar or rubble adds the combined water drain scheme of blind pipe mainly by looking for slope.But in large area library top plate because Span is bigger, can not look for slope at all, looks for slope even if devising, and construction site is also difficult to realize, and just cannot achieve at all sometimes. The water of drain bar or metalling can not just be discharged in this way.

In addition, traditional design is according to specification, it is also necessary to drain water conservancy diversion french drain in ground library periphery design, not only synthesis is made in this way Valence is high, and construction period is also long, and system reliability is low, and water conservancy diversion french drain once has a position to destroy, and is just likely to cause Systemic breakdown.In engineering site, because the problems such as supervision and other processes being also likely to that water conservancy diversion french drain is caused not come into operation just Many places are caused to damage.Even if not damaged in construction, after coming into operation, also has and blocks french drain because backfill is collapsed, And then drainage system failure.

The top plate salt discharge of current ground library needs the salt discharge layer of profession, generally specially increases between project backfill and planting soil Add the salt discharge layer that salt discharge blind pipe is laid in the clinker of 200mm thickness.It thus needs individually to increase cost and duration, but also can be right The construction of comprehensive pipe network causes a degree of influence.

The Rain Garden needs in ground library top plate sponge city excavate again after backfill, do bed course and discharge water layer, or Bed course, the drainage blanket of Rain Garden or recessed greenery patches are first done according to design drawing before backfill, it is also necessary to do exceeded rainwater Overflow well.Following problem is done so than more prominent: 1. considerably increase original draining just relatively difficult ground library top plate The pressure of drainage system；2. construction cost is high, the period is long；3. kind of a plant greening needs that waterlogging type is selected to plant, range of choice is small, scape It is poor to see effect；4. the rainwater regulated and stored holds summer mosquito easy to breed and fouls；5. the dirt-removing power in sponge city is poor, suspended pollution Object is easy to discharge into city planting ductwork by overflow well.

Utility model content

The purpose of this utility model is to provide the draining of a kind of ground library top plate, the water treatment system in salt discharge and sponge city, To solve the existing above problem.

To achieve the above object, the technical solution of the utility model is

The water treatment system of the draining of a kind of ground library top plate, salt discharge and sponge city, including ground library top plate drainage arrangement, salt discharge Device and sponge city processing unit, in which:

The top plate drainage arrangement includes siphon permeability cell, sets gradually from top to bottom vegetable layer, planting soil layer, filtering Layer, metalling, osmos tube, protective layer and waterproof layer, the waterproof layer are located at the upper surface of ground library top plate, and the osmos tube goes out Water end (W.E.) is connected to gully, and the siphon permeability cell is vertically arranged, and the upper end of the siphon permeability cell is higher than the planting soil layer, The lower end of the siphon permeability cell is connected to the infiltration after sequentially passing through the planting soil layer, the filter layer, the metalling Pipe thoroughly；

The salt discharge device includes the salt discharge hole being arranged on the osmos tube；

Sponge city processing unit includes the sponge overflow pipe being arranged between Rain Garden and ground library top plate, filtering Net, seepage well and backfill, the seepage well are vertically arranged, and the sponge overflow pipe is horizontally disposed, the middle part of the sponge overflow pipe Across and be connected to the well head of the seepage well, the both ends of the sponge overflow pipe extend to Rain Garden, the bottom of the seepage well It is connected to the osmos tube, the filter screen is arranged in the side and bottom of the seepage well, and the backfill is filled in the infiltration In well.

Further, the water outlet of the osmos tube is connected to gully, the siphon drainage pipe by siphon drainage pipe On be provided with check valve.

Further, the separation layer is made of multiple non-woven fabrics overlap joint, between the adjacent non-woven fabrics of any two Overlapped, and width is not less than 200mm.

Further, the osmos tube is horizontally disposed, and the lower part of the osmos tube is arranged in the salt discharge hole.

Further, the filter screen is stainless steel filter screen.

Further, the seepage well is made of graded sand and stone.

Further, the metalling extends the side and bottom for being coated on the seepage well, the infiltration along the filter screen The well head of well is higher than the metalling for being coated on the side of the seepage well.

Further, the utility model further includes water pump and drinking-water pipe, and the water pump is arranged in gully, described to draw water The water inlet of pipe is connected to the water pump, and the water outlet of the drinking-water pipe is connected with triple valve, the first water outlet of the triple valve Mouth access afforestation system, the second water outlet of the triple valve pass through three-way connection and access municipal Storm Sewer Network, reservoir Or the cage that catchments, the other end of the three-way connection extend in gully and extend upward overflow port, the well head of gully On be stamped well lid, keep spacing between the overflow port and well lid.

Further, the utility model further includes controller and water level sensor, and the triple valve is solenoid valve, the water Level sensor and the triple valve are connected with the controller in a signal way., the water level sensor include three from bottom to top successively The low liquid level termination of pumping water level sensor that is arranged in gully, middle liquid level greening water level sensor and high liquid level are regulated and stored flood level Sensor, the water pump be immersible pump, the low liquid level termination of pumping water level sensor be located at the top of the immersible pump and with institute It states and keeps spacing between immersible pump, the height of the middle liquid level greening water level sensor is equal with the height of ground library top plate, described High liquid level regulate and store flood level sensor height between the three-way connection and the overflow port.

Further, the utility model further includes salt content analyzer and alkali content analyzer, the salt content analyzer Signal output end and the signal output end of the alkali content analyzer be connected with the controller in a signal way., the salt content is surveyed Determine instrument to be arranged in the planting soil layer or gully, the alkali content analyzer is arranged in the planting soil layer or gully It is interior.

The utility model has the advantages that

It does not need to look for slope, is a kind of zero gradient, organized drainage system；

Have the function of salt discharge, can replace salt discharge layer；

In the sponge urban design of ground library top plate, the rainwater-collecting that can optimize Rain Garden and recessed greenery patches is set with processing Meter, short construction period is at low cost, and with the no engineering interference of the construction of comprehensive pipe network；

The resistance to overhead flooding injury of Rain Garden or recessed greenery patches without the concern for plantation in sponge city；

Flexible design has little effect the absolute altitude of comprehensive pipe network construction；

System is reliable, and local destruction does not influence allomeric function effect in construction；

Drainage effect is obvious, and convenient for detection；

System is convenient for detection repair and maintenance, and operation and maintenance cost are low；

With sponge automatic control mode, afforestation mode and manual mode multiple control modes；

Detection soil can also be increased in systems or collect the saline and alkaline content level sensor of rainwater, whether automatically control rainwater Reuse；

Using simple, by simply introducing or operation instruction can be manually operated.

Detailed description of the invention

Fig. 1 is an implementation of the water treatment system in the draining of ground described in the utility model library top plate, salt discharge and sponge city The elevation of example；

Fig. 2 is sponge urban rainwater flow chart described in the utility model；

Fig. 3 is Rain Garden structure chart described in the utility model.

In figure: 1, vegetable layer；2, planting soil layer；3, filter layer；4, metalling；5, osmos tube；51, draining, salt discharge hole；6, Protective layer；7, waterproof layer；8, library top plate；9, library side plate；10, sponge overflow pipe；11, filter screen；12, seepage well；13, it backfills Soil；14, immersible pump；15, drinking-water pipe；16, triple valve；161, the first water outlet；162, the second water outlet；17, three-way connection； 18, gully；19, overflow port；20, low liquid level termination of pumping water level sensor；21, middle liquid level afforests water level sensor；22, high liquid level It regulates and stores flood level sensor；23, paving；24, roadbed bed course；25, well lid；26, siphon drainage pipe；27, check valve； 28, siphon permeability cell.

Specific embodiment

The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.

Embodiment 1

The water treatment system of the draining of a kind of ground library top plate 8, salt discharge and sponge city, as shown in Figure 1, including ground library top plate 8 Drainage arrangement, salt discharge device and sponge city processing unit, in which:

Top plate drainage arrangement includes siphon permeability cell 28, the vegetable layer set gradually from top to bottom 1, planting soil layer 2, isolation Layer 3, metalling 4, osmos tube 5, protective layer 6 and waterproof layer 7, waterproof layer 7 are located at the upper surface of ground library top plate 8, and osmos tube 5 goes out Water end (W.E.) is connected to gully 18, and the specific drainage procedure of ground library top plate 8 is precipitation successively through vegetable layer 1, planting soil layer 2, isolation It is penetrated into osmos tube 5 after layer 3 and metalling 4, metalling 4 is that water drenching layer is responsible for collecting lower infiltration to be treated on ground library top plate 8 Rainwater, sponge rainwater, saline and alkaline underground water or back to the contaminated rain water (being referred to as treated water) on the top plate of ground library, these are located Reason water can pass into the osmos tube 5 as made of 3S blind pipe of specially treated, which is mounted on ground by mesh design On library top plate 8, along with the atmospheric pressure inside and outside 28 and vertical osmosis system balance drainage blanket is closed in the ventilative observation specially designed, most There is the siphon drainage pipe of potential energy drop to form siphonic effect outside ground library by picking out afterwards, and then quickly and reliably 3S system institute The treated water of collection is discharged in sedimentation (or is exhausted directly to municipal catch-basin, collecting-tank, the cage that catchments, sink as needed Water pot etc.), and then guarantee that the water content of planting soil, saline and alkaline underground water discharge and control, sponge rainwater-collecting are pre- on the top plate of ground library Processing etc..It is a kind of reliably drain, at salt discharge and sponge so not needing to look for slope in ground library top plate because it is siphon drainage Reason system drains into gully 18 under the guide functions of osmos tube 5, it is only necessary to be arranged to the height of the water outlet of osmos tube 5 Siphon drainage can be realized in height lower than osmos tube 5, does not need to look for slope, saves construction cost and construction time；

Siphon permeability cell 28 is vertically arranged, and the upper end of siphon permeability cell 28 is higher than planting soil layer 2, under siphon permeability cell 28 End is connected to osmos tube 5 after sequentially passing through planting soil layer 2, separation layer 3, metalling 4；

Salt discharge device includes the salt discharge hole 51 being arranged on osmos tube 5, condenses in the protective layer 6 of 8 top of ground library top plate Salt is there are two source, and first source is to be permeated downwards with precipitation until being precipitated in protective layer 6, and second source is outside ground library Saliferous moisture along ground library side plate 9, return and be precipitated on protective layer 6 on library top plate 8, the salt in two sources collects party for a long time Protective layer 6 is destroyed, therefore, it is necessary to by the salt removing on protective layer 6, correspondingly, the reset procedure of the salt in first source is Precipitation, which penetrates into salinity after protective layer 6 and also has not enough time to be precipitated, is just discharged into osmos tube 5 from salt discharge hole 51, then with osmos tube 5 Gully 18 is drained under guide functions, similarly, the reset procedure of the salt in second source be the Waterborne running that above returns to protective layer 6 its In salt have little time be precipitated just be discharged into osmos tube 5 through salt discharge hole 51, be ultimately discharged into gully 18, have the function of salt discharge, instead of The construction of salt discharge layer, has saved construction cost, shortens construction period；

Sponge city processing unit includes the sponge overflow pipe 10 being arranged between Rain Garden and ground library top plate 8, filtering Net 11, seepage well 12 and backfill 13, seepage well 12 are vertically arranged, and sponge overflow pipe 10 is horizontally disposed, the middle part of sponge overflow pipe 10 Across and be connected to the well head of seepage well 12, the both ends of sponge overflow pipe 10 extend to Rain Garden, and the bottom of seepage well 12 is connected to Osmos tube 5, filter screen 11 are arranged in the side and bottom of seepage well 12, and backfill 13 is filled in seepage well 12, accordingly, sponge city The working principle of city's processing unit are as follows: precipitation penetrates into seepage well 12 after vegetable layer 1, filter screen 11, finally from 12 bottom of seepage well It flows in osmos tube 5, is ultimately discharged into gully 18.

Separation layer 3 is made of multiple non-woven fabrics overlap joint.Separation layer 3 plays the big partial size in the planting soil layer 2 for preventing upper layer Object enter lower layer, guarantee the osmotic effect of system.

In addition, being taken due to single non-woven fabrics width and limited length using between the adjacent non-woven fabrics of any two The area for guaranteeing separation layer 3 is fetched, in order to guarantee the isolation effect of lap-joint, width is not less than 200mm by overlapped.

Embodiment 2

On the basis of embodiment 1, the water outlet of osmos tube 5 is connected to gully, siphon drainage by siphon drainage pipe Check valve is installed, to guarantee that the rainwater of municipal administration pollution or saline and alkaline underground water will not enter on plantation top plate on pipe.

Osmos tube 5 is horizontally disposed, without looking for slope, since salt is mainly gathered on protective layer 6, by salt discharge hole 51 It is arranged close to protective layer 6, osmos tube 5 lower part, is further conducive to salt discharge.

Filter screen 11 is stainless steel filter screen 11, guarantees have longer service life while its filter effect, especially It is that stainless steel material saline-alkaline corrosion-resistant more ensure that its longer service life.

Seepage well 12 is made of graded sand and stone.The granularity (granular size) of sand or stone is used to after mixing according to a certain percentage Seepage well 12 is done, its proportion is different according to specific engineering design and difference, is adjusted, mentions according to practical situation The high scope of application of this system.

Metalling 4 extends the side and bottom for being coated on seepage well 12 along filter screen 11, and the well head of seepage well 12, which is higher than, to be coated on The metalling 4 of the side of seepage well 12.Seepage well 12 and the difference in height between the metalling 4 of 12 lower section of seepage well are used as depth of regulating and storing It regulates and stores.

Embodiment 3

On the basis of embodiment 2, the present embodiment further includes water pump and drinking-water pipe 15, and water pump is arranged in gully 18, The water inlet of drinking-water pipe 15 is connected to water pump, and the water outlet of drinking-water pipe 15 is connected with triple valve 16, the first water outlet of triple valve 16 Mouthfuls 161 access afforestation systems, the second water outlet 162 of triple valve 16 by three-way connection 17 access municipal Storm Sewer Network, Reservoir or the cage that catchments, the other end of three-way connection 17 extend in gully 18 and extend upward overflow port 19, drain It is stamped well lid 25 on the well head of well 18, keeps spacing between overflow port 19 and well lid 25.

Pump working, the water drained into gully 18 is after drinking-water pipe 15 goes upward to triple valve 16 all the way through the first water outlet 161 intervention afforestation systems nearby, provide for afforestation with water, another way passes through three-way connection through the second water outlet 162 17 access municipal Storm Sewer Network, reservoir or the cage that catchments nearby to use respectively, and the other end of three-way connection 17 upwardly extends shape At overflow port 19, when the water level in gully 18 is higher than overflow port 19, the water in gully 18 can be flowed to through overflow port 19 Then three-way connection 17 flows into municipal Storm Sewer Network, reservoir or the cage that catchments, prevents the water level in gully 18 excessively high from well lid 25 outflow, when from well lid 25 hole or gap flow out when road surface will certainly be flooded, will affect the passability on road surface at this time, together When can road pavement mat formation 23 and roadbed bed course 24 damage, which avoids the generation of the problem.

Embodiment 4

On the basis of embodiment 3, the present embodiment further includes controller and water level sensor, and triple valve 16 is solenoid valve, Water level sensor and triple valve 16 are connect with controller signals, and water level sensor includes three rows of being sequentially arranged in from bottom to top Low liquid level termination of pumping water level sensor 20 in well 18, middle liquid level greening water level sensor 21 and high liquid level are regulated and stored flood level biography Sensor 22, water pump be immersible pump 14, low liquid level termination of pumping water level sensor 20 be located at the top of immersible pump 14 and with immersible pump 14 Between keep spacing, the height of middle liquid level greening water level sensor 21 with the height of library top plate 8 it is equal, high liquid level is regulated and stored overflow The height of water level sensor 22 is between three-way connection 17 and overflow port 19.

Under the action of controller, this system can according to the liquid level position analysis immersible pump 14 in gully 18 whether The water flow that work, immersible pump 14 are extracted out after working is to corresponding position, specifically, when low liquid level termination of pumping water level sensor 20 does not have When detecting water level signal, controller does not send working signal to immersible pump 14, and immersible pump 14 does not work, when low liquid level termination of pumping passes Sensor detects water and middle liquid level greening water level sensor 21 is not when detecting water, and immersible pump 14 works, in gully 18 Water go upward to solenoid valve along drinking-water pipe 15, controller control solenoid valve opens the one end for being connected to nearest afforestation system And the other end is closed, so that water is only used for afforestation system；When to continuously rise to middle liquid level green for the water level in gully 18 When changing water level sensor 21 and high liquid level and regulating and storing between flood level sensor 22, two water outlets of solenoid valve are opened, full The use such as municipal Storm Sewer Network, reservoir or the cage that catchments is able to satisfy while the water demand of the nearest afforestation system of foot again On the way；When the liquid level in gully 18 continuously rise to be more than high liquid level regulate and store flood level sensor 22 height when, above-mentioned three A sensor is able to detect that water, at this point, controller is opened again while two water outlets of controller control solenoid valve are opened Degree, plays the role of overflow of regulating and storing.

The present embodiment further includes salt content analyzer (being not drawn into figure) and alkali content analyzer (being not drawn into figure), and salt contains The signal output end of the signal output end and alkali content analyzer of measuring analyzer is connect with controller signals, salt content analyzer It is arranged in planting soil layer 2 or gully 18, alkali content analyzer is arranged in planted soil layer or gully 18.Controller according to Then whether the planting soil layer 2 detected or salt content and alkali content in gully 18 are opened and are opened to solenoid valve transmission The instruction of which opening, so that whether the water automatically controlled in gully 18 reuses.

Although above having made detailed description to the utility model with generality explanation and specific embodiment, On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want Seek the range of protection.

Claims (10)

1. the water treatment system of the draining of a kind of ground library top plate, salt discharge and sponge city, which is characterized in that drained including ground library top plate Device, salt discharge device and sponge city processing unit, in which:

The top plate drainage arrangement includes siphon permeability cell, sets gradually from top to bottom vegetable layer, planting soil layer, filter layer, Separation layer, metalling, osmos tube, protective layer and waterproof layer, the waterproof layer are located at the upper surface of ground library top plate, the osmos tube Water outlet be connected to gully, the siphon permeability cell is vertically arranged, and the upper end of the siphon permeability cell is higher than the plantation Soil layer, the lower end of the siphon permeability cell are connected to institute after sequentially passing through the planting soil layer, the filter layer, the metalling State osmos tube；

The salt discharge device includes the salt discharge hole being arranged on the osmos tube；

Sponge city processing unit include the sponge overflow pipe being arranged between Rain Garden and ground library top plate, filter screen, Seepage well and backfill, the seepage well are vertically arranged, and the sponge overflow pipe is horizontally disposed, the middle part of the sponge overflow pipe across And it is connected to the well head of the seepage well, the both ends of the sponge overflow pipe extend to Rain Garden, the bottom connection of the seepage well To the osmos tube, the filter screen is arranged in the side and bottom of the seepage well, and the backfill is filled in outside the seepage well Portion.

2. the water treatment system of the draining of ground according to claim 1 library top plate, salt discharge and sponge city, which is characterized in that The water outlet of the osmos tube is connected to gully by siphon drainage pipe, is provided with check valve on the siphon drainage pipe.

3. the water treatment system of the draining of ground according to claim 2 library top plate, salt discharge and sponge city, which is characterized in that The separation layer is made of multiple non-woven fabrics overlap joint, and overlapped between the adjacent non-woven fabrics of any two, and width is not less than 200mm。

4. the water treatment system of the draining of ground according to claim 1 library top plate, salt discharge and sponge city, which is characterized in that The osmos tube is horizontally disposed, and the lower part of the osmos tube is arranged in the salt discharge hole.

5. the water treatment system of the draining of ground according to claim 1 library top plate, salt discharge and sponge city, which is characterized in that The filter screen is stainless steel filter screen and non-degradable geotextiles, and the stainless steel filter screen is arranged in the non-degradable geotextiles Outside.

6. the water treatment system of the draining of ground according to claim 1 library top plate, salt discharge and sponge city, which is characterized in that The seepage well is made of graded broken stone, strainer, filter cloth and seepage pipe.

7. the water treatment system of the draining of ground according to claim 1 library top plate, salt discharge and sponge city, which is characterized in that The metalling extends the side and bottom for being coated on the seepage well along the filter screen, and the well head of the seepage well, which is higher than, to be coated on The metalling of the side of the seepage well.

8. the water treatment system of the draining of ground according to claim 1 library top plate, salt discharge and sponge city, which is characterized in that It further include water pump and drinking-water pipe, the water pump is arranged in gully, reservoir or catchments in cage, and the water inlet of the drinking-water pipe connects The water pump is passed to, the water outlet of the drinking-water pipe is connected with triple valve, and the first water outlet access gardens of the triple valve are green Change system, the second water outlet of the triple valve access municipal Storm Sewer Network by three-way connection, the three-way connection it is another End extends in gully and extends upward overflow port, and well lid, the overflow port and well lid are stamped on the well head of gully Between keep spacing.

9. the water treatment system of the draining of ground according to claim 8 library top plate, salt discharge and sponge city, which is characterized in that It further include controller and water level sensor, the triple valve is solenoid valve, and the water level sensor and the solenoid valve are and institute Controller signals connection is stated, the water level sensor includes three low liquid level terminations of pumping being sequentially arranged in gully from bottom to top Water level sensor, middle liquid level greening water level sensor and high liquid level are regulated and stored flood level sensor, and the water pump is immersible pump, institute Low liquid level termination of pumping water level sensor is stated to be located at the top of the immersible pump and keep spacing between the immersible pump, it is described in Liquid level afforest the height of water level sensor with the height of library top plate it is equal, the high liquid level is regulated and stored the height of flood level sensor Degree is between the three-way connection and the overflow port.

10. the water treatment system of the draining of ground according to claim 9 library top plate, salt discharge and sponge city, which is characterized in that It further include salt content analyzer and alkali content analyzer, the signal output end of the salt content analyzer and the alkali content measure The signal output end of instrument is connected with the controller in a signal way., and the salt content analyzer is arranged in the planting soil layer or draining In well, the alkali content analyzer is arranged in the planting soil layer or gully.