CN107653928A - A kind of garden landscape rainwater-collecting cyclic utilization system - Google Patents
A kind of garden landscape rainwater-collecting cyclic utilization system Download PDFInfo
- Publication number
- CN107653928A CN107653928A CN201710870766.9A CN201710870766A CN107653928A CN 107653928 A CN107653928 A CN 107653928A CN 201710870766 A CN201710870766 A CN 201710870766A CN 107653928 A CN107653928 A CN 107653928A
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- CN
- China
- Prior art keywords
- water pipe
- casing
- sewer
- rainwater
- screen pack
- Prior art date
- 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
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/02—Arrangements or adaptations of tanks for water supply for domestic or like local water supply
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/102—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins using already existing parts of the sewer system for runoff-regulation
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of garden landscape rainwater-collecting cyclic utilization system, including sewer and gland, the top of the sewer is provided with gland, second water pipe is installed on the right side of the sewer, the top of second water pipe is provided with drip pan, first water pipe is installed on the left of the bottom of the sewer, piston is installed on the left of the inner tip of first water pipe, the inner bottom of first water pipe is provided with the first screen pack.The garden landscape rainwater-collecting cyclic utilization system, pass through the cooperation of sewer and drip pan, can be by most rainwater catchment system, by the cooperation of the second water pipe and drip pan, garbage sludge inside sewer etc. can be washed away and cleaned out, pass through the cooperation of piston and the first water pipe, prevent from giving out smell pollution environment in sweltering heat, by the cooperation of the second screen pack and torque spring, rainwater and sludge can be made separately to be collected, it is therefore prevented that soil erosion.
Description
Technical field
The present invention relates to rainwater harvesting technology field, specially a kind of garden landscape rainwater-collecting cyclic utilization system.
Background technology
At present, each Landscape Facilities such as the artificial streams in the residential quarters or park of domestic city, pond, shallow pond, fountain
Between it is general separate, do not circulate and link up so that being stored in its reclaimed water can not be circulated, and the time is slightly long,
Water degradation, grow a large amount of bacteriums, rot smelly, such as the patent of Application No. 201320633108.5, including Landscape
Rainwater-collecting cyclic utilization system is seen by rainwater collection pool, the first pipeline, fountain apparatus, tank, second pipe, Sewage treatment
Pond, the 3rd pipeline, the patent is directly utilized the rainwater after collection by pipeline by the collecting pit on roof, in collecting pit
The sludge that minister saves bit by bit the time, easily by line clogging, it is necessary to worker often goes cleaning and maintenance, considerably increase the work of worker
Intensity, while rainwater is collected only by the collecting-tank of roof, cause most rain water runoff, do not received sufficiently
Collection utilizes, and causes great waste, considerably increases the limitation of the rainwater collection utilization unit, while wastewater disposal basin directly will
Fountain outflow water collect is irrigated, sludge can not be efficiently separated out and made full use of, and it is deposited in bottom of pond, not by
Make full use of, sludge can not individually be taken out and carry out fertilising and banket, can not meet the needs of client.
The content of the invention
It is an object of the invention to provide a kind of garden landscape rainwater-collecting cyclic utilization system, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides following technical scheme：A kind of garden landscape rainwater-collecting, which recycles, is
System, including sewer and gland, the top of the sewer are provided with gland, the second water are provided with the right side of the sewer
Pipe, the top of second water pipe are provided with drip pan, are provided with the first water pipe on the left of the bottom of the sewer, and described first
Piston is installed on the left of the inner tip of water pipe, the inner bottom of first water pipe is provided with the first screen pack, and described first
Blow-off pipe is installed, the bottom of first water pipe is provided with the first casing, the left side top of first casing on the left of water pipe
End is provided with the second casing, and the right side of first casing is sequentially installed with discharge pipeline and drainpipe from top to bottom, and described first
The inner tip of casing is provided with the second screen pack, and second screen pack is connected by bearing with the first casing, second mistake
Filter screen is connected by torque spring with the first casing, and the left side of first water pipe is provided with push rod, and the push rod is by compressing bullet
Spring is connected with the first water pipe, and the piston is connected through the first water pipe with push rod overlap joint, and the inside left of first water pipe is set
There is scraper plate, the push rod is connected through the first water pipe with scraper plate.
Preferably, the inside left of second casing is provided with baffle plate, is installed on the right side of the inner tip of second casing
There is stud, the left side of the stud is provided with gear, and the gear is connected by rotating shaft with the second casing, and the gear is nibbled with stud
Close and be connected, the baffle plate is connected through the second casing with gear, and handle, the handle are provided with the right side of the bottom of second casing
It is connected by rocking bar with stud.
Preferably, the outer wall of the handle is provided with mill line.
Preferably, the outer wall of the piston is socketed with sealing ring.
Preferably, ring flange is installed on the right side of the drainpipe.
Compared with prior art, the beneficial effects of the invention are as follows：The garden landscape rainwater-collecting cyclic utilization system, passes through
The cooperation of sewer and drip pan, most rainwater catchment system can be passed through the cooperation of the second water pipe and drip pan, energy
Enough wash away garbage sludge inside sewer etc. is cleaned out, and is eliminated street cleaner and is cleared up manually, is greatly reduced
The working strength of worker, cleaning work of the worker to garden is facilitated, by the cooperation of piston and the first water pipe, rainwater can be made
After flowing down, the first water pipe is blocked into closure, prevents from giving out smell pollution environment in sweltering heat, passes through the first screen pack and scraper plate
Cooperation, rubbish and rainwater sub-argument can be made out to be collected, by the cooperation of blow-off pipe and the second casing, rubbish quilt can be made
Unified collection is handled, and is facilitated worker, by the cooperation of the second screen pack and torque spring, can be made rainwater and sludge quilt
Separately it is collected, facilitates that prune picker is poured to gardens and fertilising is banketed, rainwater and sludge is sufficiently utilized, prevented
Soil erosion, meet the demand of client.
Brief description of the drawings
Below in conjunction with the accompanying drawings, the embodiment of the present invention is elaborated：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the push rod structure schematic diagram of the present invention；
Fig. 3 is the second box inner structure schematic diagram of the present invention.
In figure：1st, sewer, the 2, first water pipe, 3, gland, 4, drip pan, the 5, second water pipe, the 6, first screen pack, 7, row
Mud pipe, 8, bearing, 9, drainpipe, 10, torque spring, the 11, second screen pack, the 12, first casing, the 13, second casing, 14, row
Dirt pipe, 15, piston, 16, push rod, 17, scraper plate, 18, compression spring, 19, gear, 20, baffle plate, 21, rotating shaft, 22, handle, 23,
Rocking bar, 24, stud, 25, ring flange, 26, sealing ring, 27, mill line.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：A kind of garden landscape rainwater-collecting cyclic utilization system,
By rainwater-collecting and profit can be circulated, gland 3 is installed with the top including sewer 1 and gland 3, sewer 1, rainwater falls
Carrying the inside that rubbish and sludge enter sewer 1 through overpressure cap 3, the right side of sewer 1 is provided with the second water pipe 5, and second
The top of water pipe 5 is provided with drip pan 4, and drip pan 4 is connected by the second water pipe 5 with sewer 1, on the left of the bottom of sewer 1
First water pipe 2 is installed, rainwater is washed into left side from the right side of sewer 1 by the second water pipe 5, makes sewer 1 by drip pan 4
Internal garbage sludge etc. is together washed into the inside of the first water pipe 2, and piston is provided with the left of the inner tip of the first water pipe 2
15, rainwater pulls down piston 15, moves down piston 15, and the outer wall of piston 15 is socketed with sealing ring 26, sealing ring 26
For quality of rubber materials, the water pipe 2 of piston 15 and first can be made fully to fit together, the inner bottom of the first water pipe 2 is provided with
One screen pack 6, when rainwater passes through the first screen pack 6, because the first screen pack 6 is intensive poroid, rubbish is left on the first filtering
On net 6, the left side of the first water pipe 2 is provided with blow-off pipe 14, and rubbish discharge is uniformly collected processing, the first water by blow-off pipe 14
The bottom of pipe 2 is provided with the first casing 12, and the left side top of the first casing 12 is provided with the second casing 13, and rubbish is along blow-off pipe 14
The inside for dropping to the second casing 13 is collected, and the right side of the first casing 12 is sequentially installed with discharge pipeline 7 and draining from top to bottom
Pipe 9, the right side of drainpipe 9 are provided with ring flange 25, and ring flange 25 facilitates drainpipe 9 to be attached with other pipelines, the first case
The inner tip of body 12 is provided with the second screen pack 11, and rainwater mixes sludge and flows to the inside of the first casing 12 by the second filtering
Net 11, the second screen pack 11 are fine and closely woven netted, can come out sludge filtration and stay in thereon, the second screen pack 11 passes through bearing
8 are connected with the first casing 12, and the second screen pack 11 can rotate around bearing 8, and the second screen pack 11 passes through torque spring 10 and
One casing 12 is connected, and the coefficient of elasticity of torque spring 10 is 10N/CM, and the second screen pack is promoted under the pressure of torque spring 10
11, which are inclined upwardly, makes sludge flow to discharge pipeline 17 to be discharged collection, for adding soil, the left side of the first water pipe 2 to flowers, plants and trees fertilising
Provided with push rod 16, push rod 16 is connected by compression spring 18 with the first water pipe 2, and the coefficient of elasticity of compression spring 18 is 10N/CM,
Piston 15 is connected through the first water pipe 2 with the overlap joint of push rod 16, after rainwater stops flowing down, the distress resolves on the top of piston 15,
Promote push rod 16 to be moved to the left under the pressure of compression spring 18, return-to-home position, piston 15 is pushed up in the first water pipe 2
Scraper plate 17 is provided with the left of portion, push rod 16 is connected through the first water pipe 2 with scraper plate 17, and the drive scraper plate 17 of push rod 16 is moved to the left the
Rubbish on one screen pack 6 scrapes the inside of blow-off pipe 14, and the inside left of the second casing 13 is provided with baffle plate 20, the second casing
Stud 24 is installed on the right side of 13 inner tip, the left side of stud 24 is provided with gear 19, and gear 19 passes through the case of rotating shaft 21 and second
Body 13 is connected, and gear 21 engages with stud 24 to be connected, and baffle plate 20 is connected through the second casing 13 with gear 21, the second casing 13
Handle 22 is provided with the right side of bottom, handle 22 is connected by rocking bar 23 with stud 24, and when clearing up rubbish, worker need to only grasp
Handle 22 and rotating rocker 23, it is set to drive stud 24 to rotate, the rotation driven gear 19 of stud 24 rotates, and makes its 21 turns around the shaft
It is dynamic, drive baffle plate 20 to rotate down, the rubbish inside the second casing 13 is poured out and handled, the outer wall of handle 22 is provided with mill line
27, mill line 27 can increase frictional force, facilitate worker to grasp handle 22.
Drip pan 4 is erected at garden eminence or roof, drip pan 4 is connected by the second water pipe 5 with sewer 1,
When raining, drip pan 4 and sewer 1 collect rainwater simultaneously, and drip pan 4 is by the second water pipe 5 by rainwater from the right side of sewer 1
Left side is washed into, garbage sludge inside sewer 1 etc. is together washed into the inside of the first water pipe 2, rainwater is by piston 15
Pull down, move down piston 15 and promote push rod 15, the inside right side for making it drive scraper plate 17 to move right to the first water pipe 2
Side, when rainwater passes through the first screen pack 6, because the first screen pack 6 is intensive poroid, rubbish is left on the first screen pack 6, rain
Water, which mixes sludge and flows to the inside of the first casing 12, passes through the second screen pack 11, the second screen pack 11 be it is fine and closely woven netted, can
Sludge filtration is come out and stayed in thereon, after rainwater stops flowing down, the distress resolves on the top of piston 15, in compression spring 18
Promote push rod 16 to be moved to the left under pressure, return-to-home position, while piston 15 is pushed up, drive scraper plate 17 to be moved to the left
Rubbish on first screen pack 6 is scraped to the inside of blow-off pipe 14, the inside quilt of the second casing 13 is dropped to along blow-off pipe 14
Collect, promoting the second screen pack 11 to be inclined upwardly under the pressure of torque spring 10 makes sludge flow to discharge pipeline 17 to be discharged receipts
Collection, for adding soil to flowers, plants and trees fertilising, rainwater is collected in the inner bottom of the first casing 12, by drainpipe 9 by rainwater
Transport and utilize.
In the description of the invention, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
Portion ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation of the instruction such as " both ends " or position close
It is based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplified description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For limitation of the present invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu
Calmly ", the term such as " spinning " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；
Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be with
It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite, for this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
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 changes, modification can be carried out to these embodiments, replace 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 (5)
1. a kind of garden landscape rainwater-collecting cyclic utilization system, including sewer（1）And gland（3）, the sewer（1）'s
Top is provided with gland（3）, it is characterised in that：The sewer（1）Right side the second water pipe is installed（5）, second water
Pipe（5）Top drip pan is installed（4）, the sewer（1）Bottom on the left of the first water pipe is installed（2）, described first
Water pipe（2）Inner tip on the left of piston is installed（15）, first water pipe（2）Inner bottom the first screen pack is installed
（6）, first water pipe（2）Left side blow-off pipe is installed（14）, first water pipe（2）Bottom the first casing is installed
（12）, first casing（12）Left side top the second casing is installed（13）, first casing（12）Right side from upper
Discharge pipeline is sequentially installed with（7）And drainpipe（9）, first casing（12）Inner tip be provided with the second screen pack
（11）, second screen pack（11）Pass through bearing（8）With the first casing（12）It is connected, second screen pack（11）Pass through torsion
Power spring（10）With the first casing（12）It is connected, first water pipe（2）Left side be provided with push rod（16）, the push rod（16）It is logical
Overcompression spring（18）With the first water pipe（2）It is connected, the piston（15）Through the first water pipe（2）With push rod（16）Overlap phase
Even, first water pipe（2）Inside left be provided with scraper plate（17）, the push rod（16）Through the first water pipe（2）With scraper plate
（17）It is connected.
A kind of 2. garden landscape rainwater-collecting cyclic utilization system according to claim 1, it is characterised in that：Described second
Casing（13）Inside left be provided with baffle plate（20）, second casing（13）Inner tip on the right side of stud is installed（24）,
The stud（24）Left side be provided with gear（19）, the gear（19）Pass through rotating shaft（21）With the second casing（13）It is connected, institute
State gear（21）With stud（24）Engagement is connected, the baffle plate（20）Through the second casing（13）With gear（21）It is connected, it is described
Second casing（13）Bottom on the right side of be provided with handle（22）, the handle（22）Pass through rocking bar（23）With stud（24）It is connected.
A kind of 3. garden landscape rainwater-collecting cyclic utilization system according to claim 2, it is characterised in that：The handle
（22）Outer wall be provided with mill line（27）.
A kind of 4. garden landscape rainwater-collecting cyclic utilization system according to claim 1, it is characterised in that：The piston
（15）Outer wall be socketed with sealing ring（26）.
A kind of 5. garden landscape rainwater-collecting cyclic utilization system according to claim 1, it is characterised in that：The draining
Pipe（9）Right side ring flange is installed（25）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710870766.9A CN107653928A (en) | 2017-09-24 | 2017-09-24 | A kind of garden landscape rainwater-collecting cyclic utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710870766.9A CN107653928A (en) | 2017-09-24 | 2017-09-24 | A kind of garden landscape rainwater-collecting cyclic utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107653928A true CN107653928A (en) | 2018-02-02 |
Family
ID=61130121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710870766.9A Pending CN107653928A (en) | 2017-09-24 | 2017-09-24 | A kind of garden landscape rainwater-collecting cyclic utilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107653928A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138083A (en) * | 2018-08-20 | 2019-01-04 | 胡健 | A kind of Anti-clogging downcomer road |
| CN110306643A (en) * | 2019-07-29 | 2019-10-08 | 王小灵 | A kind of sewage treatment blow-off line |
| CN110409253A (en) * | 2019-08-09 | 2019-11-05 | 余姚心智新能源科技有限公司 | It is a kind of with the rainwater gutter that function is collected by filtration |
| CN110747981A (en) * | 2019-11-26 | 2020-02-04 | 沈阳农业大学 | Can prevent forest that impurity falls into precipitation collection device for hydrology |
| CN110952629A (en) * | 2019-12-20 | 2020-04-03 | 朱绍军 | Pipeline for civil construction |
| CN111535168A (en) * | 2020-05-12 | 2020-08-14 | 闫志伟 | Built-in drainage device based on building bridge |
| CN112709319A (en) * | 2020-12-20 | 2021-04-27 | 李占群 | Anticorrosive cleaning device of city sewer |
| CN112878421A (en) * | 2021-01-12 | 2021-06-01 | 王齐 | Passive automatic control rainwater microbubble layered sewage collection system |
| CN116537311A (en) * | 2023-06-20 | 2023-08-04 | 徐州工程学院 | Rainwater collecting, purifying and recycling system and water-saving house |
-
2017
- 2017-09-24 CN CN201710870766.9A patent/CN107653928A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138083A (en) * | 2018-08-20 | 2019-01-04 | 胡健 | A kind of Anti-clogging downcomer road |
| CN110306643A (en) * | 2019-07-29 | 2019-10-08 | 王小灵 | A kind of sewage treatment blow-off line |
| CN110409253A (en) * | 2019-08-09 | 2019-11-05 | 余姚心智新能源科技有限公司 | It is a kind of with the rainwater gutter that function is collected by filtration |
| CN110409253B (en) * | 2019-08-09 | 2021-05-14 | 福州市中霖工程建设有限公司 | Rainwater side ditch with filtering and collecting functions |
| CN110747981A (en) * | 2019-11-26 | 2020-02-04 | 沈阳农业大学 | Can prevent forest that impurity falls into precipitation collection device for hydrology |
| CN110952629B (en) * | 2019-12-20 | 2021-04-13 | 中弘泰建设集团有限公司 | Pipeline for civil construction |
| CN110952629A (en) * | 2019-12-20 | 2020-04-03 | 朱绍军 | Pipeline for civil construction |
| CN111535168A (en) * | 2020-05-12 | 2020-08-14 | 闫志伟 | Built-in drainage device based on building bridge |
| CN112709319A (en) * | 2020-12-20 | 2021-04-27 | 李占群 | Anticorrosive cleaning device of city sewer |
| CN112709319B (en) * | 2020-12-20 | 2022-08-19 | 李占群 | Anticorrosive cleaning device of city sewer |
| CN112878421A (en) * | 2021-01-12 | 2021-06-01 | 王齐 | Passive automatic control rainwater microbubble layered sewage collection system |
| CN116537311A (en) * | 2023-06-20 | 2023-08-04 | 徐州工程学院 | Rainwater collecting, purifying and recycling system and water-saving house |
| CN116537311B (en) * | 2023-06-20 | 2023-11-17 | 徐州工程学院 | Rainwater collecting, purifying and recycling system and water-saving house |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180202 |
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| WD01 | Invention patent application deemed withdrawn after publication |