CN107190618B - A kind of water circulation artificial lawn - Google Patents
A kind of water circulation artificial lawn Download PDFInfo
- Publication number
- CN107190618B CN107190618B CN201710591955.2A CN201710591955A CN107190618B CN 107190618 B CN107190618 B CN 107190618B CN 201710591955 A CN201710591955 A CN 201710591955A CN 107190618 B CN107190618 B CN 107190618B
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- Prior art keywords
- layer
- divot
- artificial lawn
- lawn
- corrosion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
- E01C13/083—Construction of grass-grown sports grounds; Drainage, irrigation or heating arrangements therefor
Abstract
The invention discloses a kind of water to recycle artificial lawn, including divot, layer of rubber particles, radiation protection connection glue is provided on the divot, and the right end middle position of divot is provided with sink；Sink is provided on artificial lawn, the position of sink does not influence people and normally moves and lie fallow, rainwater can be drained to the discharge outlet on artificial lawn by sink when rainy, it is expelled in corrosion-resistant water tank by sewer pipe, corrosion-resistant water tank is provided with filter layer, rainwater can be filtered, transportable divot is provided on turf, divot can be removed when weather is excessively hot, cooled down using revolving distributor to emulation turf, it prevents turf and generates the harm such as deformation and release pernicious gas because of overheat, the filtered rainwater collected when the water flow that revolving distributor uses is from rainy day, water resource is accomplished to recycle, economy is also saved while protecting environment.
Description
Technical field
The invention belongs to artificial lawn technical fields, and in particular to a kind of water circulation artificial lawn.
Background technique
Artificial lawn is born in the U.S. in the eighties of last century sixties, it is using lifeless plastics fiber product as raw material
The quasi- lawn made of manual method.It needs to consume unlike natural lawn the resources such as fertilizer, water necessary to growth, energy
Meet the movement needs of whole day twenty four hours high intensity, and maintenance is simple, draining is rapid, levelling of the land degree is outstanding.Artificial grass
Level ground is widely used in the dedicated competition area of hockey, baseball, rugby, and the public of the movements such as football, tennis, golf practices
It practises field or as ground pavement beautification indoor environment etc., the country most introduced artificial lawn earlier than late nineteen eighties, until 90 years
The popularization of large area is just obtained for the middle and later periods.It and plastic cement race track become the mode standard that school athletic ground is built together, replace
The athletic ground on natural lawn is planted for a large amount of scripts.Although due to sports safety, place characteristic and public cognitive etc.
The reason of, the application range of artificial lawn is restricted to a certain extent, but with the development of science and technology, artificial lawn life
Manufacturing technology is produced to be continuously available innovation and improved.Use is opened the 6th generation artificial lawn made of net single fiber long filament and is being inhaled now
It is more nearly in the places motion index such as shake ratio, ball rebound rolling, steering numerical value with natural lawn, or even in certain characteristics
On also have more advantage.In sports safety performance, improvement of the artificial grass fibre of new generation on surface covering, polymer raw is
The generation of the sport injuries such as skin tears and foot's bruise can be effectively reduced.The respective advantage of artificial lawn and natural lawn
All relatively prominent, insufficient and disadvantage also objective reality must comprehensively consider according to the actual situation when selected to use.Movement
Performance is compared with natural lawn, and the usual hardness in place that artificial lawn is built is much greater, and the coefficient of friction of chemical fibre is also normal
The often less than blade of turfgrass, will appear as causing in football that ball speed is too fast, rebound rate is excessively high, to increase sportsman
To the control difficulty of ball, the advantage in the relatively natural lawn kinetic characteristic of artificial lawn is that place homogeneity is outstanding, flatness
Also far better, field conditions is bad caused by can sufficiently avoiding because of factors such as weather, maintenances, to influence to compete.
Original artificial lawn uses when hot weather, since the heat resistance of emulation turf is lower, artificial lawn
The emulation turf on surface can generate deformation because of high temperature, soften, it is possible to the pernicious gas that a part can be produced, when people exists
It is moved or is lain fallow on artificial lawn and be possible to suck a part emulation turf due to excessively thermogenetic pernicious gas, to people
Health have certain damage, when rainwater increases, a large amount of rainwater be deposited on artificial lawn formed water flow and
It can not be discharged, since emulation turf is non-watertight, the root for emulating turf can be broken up by water flow, while layer of rubber particles and quartz sand
Layer loss of stability due to the not no fixation of simulative grass, it is possible to will lead to situations such as artificial lawn collapses, to artificial
Beauty and the performance on lawn have certain influence, while artificial lawn damage is not easy to repair, needs to consume a large amount of financial resources and material resources.
Summary of the invention
The purpose of the present invention is to provide a kind of water to recycle artificial lawn, mentioned above in the background art original to solve
Artificial lawn used when hot weather, due to emulation turf heat resistance it is lower, the simulative grass on artificial lawn surface
Skin can generate deformation because of high temperature, soften, it is possible to the pernicious gas that a part can be produced, when people is enterprising in artificial lawn
Row movement or leisure are possible to that health meeting of a part emulation turf due to excessively thermogenetic pernicious gas, to people can be sucked
There is certain damage, when rainwater increases, a large amount of rainwater, which is deposited on artificial lawn, to be formed water flow and can not be discharged, due to
Emulation turf is non-watertight, and the root for emulating turf can be broken up by water flow, while layer of rubber particles and quartz sand layer be not due to imitating
Very careless fixation and loss of stability, it is possible to will lead to situations such as artificial lawn collapses, to the beauty of artificial lawn with
The problem of performance has certain influence, while artificial lawn damage is not easy to repair, needs to consume a large amount of financial resources and material resources.
To achieve the above object, the invention provides the following technical scheme: a kind of water recycle artificial lawn, including divot,
Layer of rubber particles, motor, coal filter layer and soft suction hose are provided with radiation protection connection glue, and turf on the divot
The right end middle position of layer is provided with sink, is provided with discharge outlet, the left side of the discharge outlet below the right end of the sink
It is provided with movable lawn block, is provided with revolving distributor below the movable lawn block, the layer of rubber particles is mounted on
The lower section of divot, and quartz sand layer is provided with below layer of rubber particles, non-woven fabrics is provided with below the quartz sand layer
Layer is provided with resilient cushion below the nonwoven layer, is provided with buffer layer below the resilient cushion, under the buffer layer
Side is provided with fines concrete, and middle grain concrete layer is provided with below the fines concrete, the middle grain concrete layer
Lower section is provided with metalling, and grey soil layer is provided with below the metalling, is provided with compacting soil layer below the ash soil layer,
The motor is mounted on the right side of revolving distributor, and corrosion-resistant water tank is provided with below motor, the corrosion-resistant water
The left end of case is provided with sewer pipe, and the coal filter layer is mounted on the inside of corrosion-resistant water tank, and the right side of coal filter layer
End top is provided with revolving distributor shell, and the revolving distributor shell is internally provided with support rod, on the support rod
It is provided with lifting spring, rotary shaft is provided with above the lifting spring, spray head, and rotary shaft are provided in the rotary shaft
Top be provided with lifter switch, the soft suction hose is mounted on above the left end of revolving distributor shell, and soft suction hose
Lower section is provided with pressure pump, and pressure pump connecting link is provided on the right side of the pressure pump, and water suction is provided with below pressure pump
Mouthful, exist between the motor and lifter switch and is electrically connected.
Preferably, there are four the sink is arranged altogether, and four sinks are installed in the inside of divot.
Preferably, there are two the discharge outlet is arranged altogether, and two discharge outlet are separately mounted to the left and right of layer of rubber particles
Both ends.
Preferably, the movable lawn block is demountable.
Preferably, it is bolted to connection between the sewer pipe and corrosion-resistant water tank.
Preferably, there are two the sewer pipe is arranged altogether, and two sewer pipes are separately mounted to corrosion-resistant water tank
Left and right ends.
Preferably, it is fixedly connected between the rotary shaft and support rod by lifting spring.
Preferably, it is fixedly connected between the revolving distributor shell and pressure pump by pressure pump connecting link.
Preferably, it is rotatablely connected between the revolving distributor shell and spray head by rotary shaft.
Compared with prior art, safe and convenient to use the beneficial effects of the present invention are: structure of the invention is scientific and reasonable,
The sink with drainage function is provided on original artificial lawn, in the lower section of divot, the position of sink does not influence people
Normal movement and leisure, rainwater can be drained to the discharge outlet on artificial lawn by sink when rainy, pass through sewer pipe
It is expelled in corrosion-resistant water tank, corrosion-resistant water tank is provided with filter layer, can be filtered to rainwater, and being provided on turf can be with
Mobile divot can remove divot when weather is excessively hot, be dropped using revolving distributor to emulation turf
Temperature can effectively reduce the temperature on turf, prevent turf and generate the harm such as deformation and release pernicious gas because of overheat,
The filtered rainwater collected when the water flow that revolving distributor uses is from rainy day does not need external water source and comes for turf
Layer cools down, and has accomplished to recycle to water resource, has also saved economy while protecting environment.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is side structure schematic view of the invention；
Fig. 3 is revolving distributor structural schematic diagram of the invention；
In figure: 1- divot, 2- radiation protection connection glue, 3- sink, 4- discharge outlet, 5- revolving distributor, the removable grass of 6-
Level ground block, 7- layer of rubber particles, 8- nonwoven layer, 9- buffer layer, grain concrete layer in 10-, 11- ash soil layer, 12- compacting soil layer,
13- metalling, 14- fines concrete, 15- resilient cushion, 16- quartz sand layer, 17- sewer pipe, 18- motor, 19- are corrosion-resistant
Water tank, 20- lifter switch, 21- rotary shaft, 22- lifting spring, 23- support rod, 24- revolving distributor shell, the water sucking mouth 25-,
26- coal filter layer, 27- pressure pump connecting link, 28- pressure pump, 29- soft suction hose, 30- spray head.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, the present invention provides a kind of technical solution: including divot 1, layer of rubber particles 7, electricity
Motivation 18, coal filter layer 26 and soft suction hose 29 are provided with radiation protection connection glue 2, and the right end of divot 1 on divot 1
Middle position is provided with sink 3, is provided with discharge outlet 4 below the right end of sink 3, the left side of discharge outlet 4 is provided with removable
Lawn block 6 is provided with revolving distributor 5 below movable lawn block 6, and layer of rubber particles 7 is mounted on the lower section of divot 1, and
The lower section of layer of rubber particles 7 is provided with quartz sand layer 16, and the lower section of quartz sand layer 16 is provided with nonwoven layer 8, nonwoven layer 8
Lower section is provided with resilient cushion 15, and the lower section of resilient cushion 15 is provided with buffer layer 9, and the lower section of buffer layer 9 is provided with fines concrete
14, the lower section of fines concrete 14 is provided with middle grain concrete layer 10, and the lower section of middle grain concrete layer 10 is provided with metalling 13,
The lower section of metalling 13 is provided with grey soil layer 11, and the lower section of grey soil layer 11 is provided with compacting soil layer 12, and motor 18 is mounted on rotation
Turn the right side of water jet 5, and the lower section of motor 18 is provided with corrosion-resistant water tank 19, the left end of corrosion-resistant water tank 19 is provided with down
Waterpipe 17, coal filter layer 26 is mounted on the inside of corrosion-resistant water tank 19, and is provided with above the right end of coal filter layer 26
Revolving distributor shell 24, revolving distributor shell 24 are internally provided with support rod 23, lifting bullet are provided on support rod 23
Spring 22, the top of lifting spring 22 are provided with rotary shaft 21, spray head 30 are provided in rotary shaft 21, and the top of rotary shaft 21 is set
It is equipped with lifter switch 20, soft suction hose 29 is mounted on above the left end of revolving distributor shell 24, and the lower section of soft suction hose 29
It is provided with pressure pump 28, the right side of pressure pump 28 is provided with pressure pump connecting link 27, and the lower section of pressure pump 28 is provided with water suction
Mouth 25 exists between motor 18 and lifter switch 20 and is electrically connected.
In the present embodiment, it is preferred that there are four sink 3 is arranged altogether, and four sinks 3 are installed in the inside of divot 1.
In the present embodiment, it is preferred that there are two discharge outlet 4 is arranged altogether, and two discharge outlet 4 are separately mounted to rubber grain
The left and right ends of layer 7.
In the present embodiment, it is preferred that movable lawn block 6 is demountable.
In the present embodiment, it is preferred that be bolted to connection between sewer pipe 17 and corrosion-resistant water tank 19.
In the present embodiment, it is preferred that sewer pipe 17 altogether setting there are two, and two sewer pipes 17 be separately mounted to it is resistance to
Corrode the left and right ends of water tank 19.
In the present embodiment, it is preferred that be fixedly connected between rotary shaft 21 and support rod 23 by lifting spring 22.
In the present embodiment, it is preferred that solid by pressure pump connecting link 27 between revolving distributor shell 24 and pressure pump 28
Fixed connection.
In the present embodiment, it is preferred that be rotatablely connected between revolving distributor shell 24 and spray head 30 by rotary shaft 21.
Revolving distributor 5 in the present invention, when the spray head of revolving distributor 5 is sprayed water, water blocking device is washed open by water flow, so
Afterwards under the action of the spring, water blocking device rebounds rapidly, and spray head is struck, and spray head deviates the angle of a very little, hinders simultaneously
Hydrophone can be washed open again by water flow, then rebound again, as soon as striking time spray head, spray head deviates the angle of a very little again, in this way
Spray head just slowly rotates, and spray head is adjusted between sprinkling irrigation angle and strafes back and forth there are also other function, rotating-spray, when
When enabling limiting device, spray head is gone to after restraining position, and the protrusion of limit can act on water blocking device, turns over water blocking device
Turn, the frequency of dialing of water blocking device significantly improves, and spray head can return quickly to initial position, another protrusion overturns water blocking device again
Back, spray head stops operating, and slowly rotates forward again, strafes back and forth like this, and there are two the effects of water blocking device, first is that beating
Aproll stream makes all to be sprayed onto water in spray regime, second is that automatically make spray head rotation without manually or motor drive.
The working principle of the invention and process for using: after the present invention installs, by divot 1 and the anti-spoke of other turf
It penetrates connection glue 2 to connect, needs to cool down to divot 1 when the temperature is excessively high, prevent divot 1 from generating shape because of high temperature
Become, movable lawn block 6 is removed, opens motor 18 and risen to revolving distributor 5 on divot 1 using lifting spring 22
Drainage of crossing inside corrosion-resistant water tank 19 is used for revolving distributor 5, revolving distributor using pressure pump 28 by side, soft suction hose 29
Spout 30 on 5 spray water to large area around by the high speed rotation of rotary shaft 21, can cover the big portion of divot 1
Quartile is set, and is effectively cooled down to divot 1, and revolving distributor 5 is down to underground when not needing cooling, closes motor
18, in the original location by the installation of movable lawn block 6, when rainy, what the junction of divot 1 and layer of rubber particles 7 was arranged
Rainwater can be drained to discharge outlet 4 by sink 3, and rainwater drains into sewer pipe 17 through discharge outlet 4, after rainwater passes through sewer pipe 17
It collects in the inside of corrosion-resistant water tank 19, while corrosion-resistant water tank 19 is internally provided with coal filter layer 26, it can be by rainwater
In filtering foreign it is clean, be used for hot weather when, radiated using revolving distributor 5 to divot 1.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of water recycles artificial lawn, including divot (1), layer of rubber particles (7), motor (18), coal filter layer
(26) and soft suction hose (29), it is characterised in that: radiation protection connection glue (2), and divot are provided on the divot (1)
(1) right end middle position is provided with sink (3), is provided with discharge outlet (4), the row below the right end of the sink (3)
It is provided on the left of the mouth of a river (4) movable lawn block (6), is provided with revolving distributor below the movable lawn block (6)
(5), the layer of rubber particles (7) is mounted on the lower section of divot (1), and is provided with quartz sand below layer of rubber particles (7)
Layer (16) is provided with nonwoven layer (8) below the quartz sand layer (16), is provided with and subtracts below the nonwoven layer (8)
(15) are padded in shake, are provided with buffer layer (9) below the resilient cushion (15), and it is mixed that particulate is provided with below the buffer layer (9)
Soil (14) is coagulated, is provided with middle grain concrete layer (10), the middle grain concrete layer (10) below the fines concrete (14)
Lower section be provided with metalling (13), be provided with grey soil layer (11) below the metalling (13), the ash soil layer (11)
Lower section is provided with compacting soil layer (12), and the motor (18) is mounted on the right side of revolving distributor (5), and motor (18)
Lower section is provided with corrosion-resistant water tank (19), and the left end of the corrosion-resistant water tank (19) is provided with sewer pipe (17), the coal
Filter layer (26) is mounted on the inside of corrosion-resistant water tank (19), and is provided with rotary water jet above the right end of coal filter layer (26)
Device shell (24), the revolving distributor shell (24) are internally provided with support rod (23), are arranged on the support rod (23)
Have lifting spring (22), be provided with rotary shaft (21) above the lifting spring (22), is provided on the rotary shaft (21)
Spray head (30), and lifter switch (20) are provided with above rotary shaft (21), the soft suction hose (29) is mounted on rotary water jet
Above the left end of device shell (24), and pressure pump (28) are provided with below soft suction hose (29), the right side of the pressure pump (28)
Side is provided with pressure pump connecting link (27), and water sucking mouth (25) are provided with below pressure pump (28), the motor (18) with
Exist between lifter switch (20) and is electrically connected.
2. a kind of water according to claim 1 recycles artificial lawn, it is characterised in that: the sink (3) is provided with four altogether
It is a, and four sinks (3) are installed in the inside of divot (1).
3. a kind of water according to claim 1 recycles artificial lawn, it is characterised in that: the discharge outlet (4) is provided with altogether
Two, and two discharge outlet (4) are separately mounted to the left and right ends of layer of rubber particles (7).
4. a kind of water according to claim 1 recycles artificial lawn, it is characterised in that: the movable lawn block (6) is
It is demountable.
5. a kind of water according to claim 1 recycles artificial lawn, it is characterised in that: the sewer pipe (17) and corrosion resistant
It is bolted to connection between erosion water tank (19).
6. a kind of water according to claim 1 recycles artificial lawn, it is characterised in that: the sewer pipe (17) is arranged altogether
There are two, and two sewer pipes (17) are separately mounted to the left and right ends of corrosion-resistant water tank (19).
7. a kind of water according to claim 1 recycles artificial lawn, it is characterised in that: the rotary shaft (21) and support rod
(23) it is fixedly connected between by lifting spring (22).
8. a kind of water according to claim 1 recycles artificial lawn, it is characterised in that: the revolving distributor shell (24)
It is fixedly connected between pressure pump (28) by pressure pump connecting link (27).
9. a kind of water according to claim 1 recycles artificial lawn, it is characterised in that: the revolving distributor shell (24)
It is rotatablely connected between spray head (30) by rotary shaft (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710591955.2A CN107190618B (en) | 2017-07-19 | 2017-07-19 | A kind of water circulation artificial lawn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710591955.2A CN107190618B (en) | 2017-07-19 | 2017-07-19 | A kind of water circulation artificial lawn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107190618A CN107190618A (en) | 2017-09-22 |
| CN107190618B true CN107190618B (en) | 2019-03-12 |
Family
ID=59883153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710591955.2A Active CN107190618B (en) | 2017-07-19 | 2017-07-19 | A kind of water circulation artificial lawn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107190618B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109906921A (en) * | 2019-04-10 | 2019-06-21 | 江苏亿之博实业有限公司 | Water spray type chinampa cooling system and its working method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0423924A (en) * | 1990-05-18 | 1992-01-28 | Shigenobu Watari | Soil system |
| KR20090129292A (en) * | 2008-06-11 | 2009-12-16 | 소재철 | The water run-through-base combine armature mat with invisible water punctured pipe and its construction process |
| CN101967789A (en) * | 2010-10-19 | 2011-02-09 | 张汝栋 | Lawn ecological-water circulating system |
| CN202925421U (en) * | 2012-10-29 | 2013-05-08 | 国家体育总局体育科学研究所 | Ventilating, temperature control and water circulation system for playground lawn |
| CN203923854U (en) * | 2014-04-22 | 2014-11-05 | 宿迁市易美家地毯有限公司 | A kind of chinampa of built-in groove |
| CN204968786U (en) * | 2015-08-11 | 2016-01-20 | 天津海陆丰园林建设有限公司 | Ecological garden system for recycling water |
| CN205062981U (en) * | 2015-09-11 | 2016-03-02 | 天津市河西区邦富盈联科技有限责任公司 | A circulation drainage system for park |
| CN106499002A (en) * | 2016-11-25 | 2017-03-15 | 曾理 | Green grassland rainwater cyclic utilization system |
-
2017
- 2017-07-19 CN CN201710591955.2A patent/CN107190618B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0423924A (en) * | 1990-05-18 | 1992-01-28 | Shigenobu Watari | Soil system |
| KR20090129292A (en) * | 2008-06-11 | 2009-12-16 | 소재철 | The water run-through-base combine armature mat with invisible water punctured pipe and its construction process |
| CN101967789A (en) * | 2010-10-19 | 2011-02-09 | 张汝栋 | Lawn ecological-water circulating system |
| CN202925421U (en) * | 2012-10-29 | 2013-05-08 | 国家体育总局体育科学研究所 | Ventilating, temperature control and water circulation system for playground lawn |
| CN203923854U (en) * | 2014-04-22 | 2014-11-05 | 宿迁市易美家地毯有限公司 | A kind of chinampa of built-in groove |
| CN204968786U (en) * | 2015-08-11 | 2016-01-20 | 天津海陆丰园林建设有限公司 | Ecological garden system for recycling water |
| CN205062981U (en) * | 2015-09-11 | 2016-03-02 | 天津市河西区邦富盈联科技有限责任公司 | A circulation drainage system for park |
| CN106499002A (en) * | 2016-11-25 | 2017-03-15 | 曾理 | Green grassland rainwater cyclic utilization system |
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| Publication number | Publication date |
|---|---|
| CN107190618A (en) | 2017-09-22 |
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