CN109589665A - A kind of water circulation system of indoor waterspace pool - Google Patents
A kind of water circulation system of indoor waterspace pool Download PDFInfo
- Publication number
- CN109589665A CN109589665A CN201910095651.6A CN201910095651A CN109589665A CN 109589665 A CN109589665 A CN 109589665A CN 201910095651 A CN201910095651 A CN 201910095651A CN 109589665 A CN109589665 A CN 109589665A
- Authority
- CN
- China
- Prior art keywords
- water
- waterspace pool
- pool
- level sensor
- waterspace
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 235
- 238000001914 filtration Methods 0.000 claims abstract description 39
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000000712 assembly Effects 0.000 claims abstract description 16
- 238000000429 assembly Methods 0.000 claims abstract description 16
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 15
- 230000006698 induction Effects 0.000 claims abstract description 13
- 238000011001 backwashing Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000009991 scouring Methods 0.000 claims 1
- 230000035622 drinking Effects 0.000 description 10
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000013014 water-saving technology Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
Abstract
The invention discloses a kind of water circulation systems of indoor waterspace pool, including waterspace pool and non-drink grade water module, water inlet, discharge outlet and circulation port are provided on waterspace pool, the water inlet of waterspace pool is connected to running water pipe, and the circulation port of waterspace pool is drunk grade and be connected to water module by a circulation pipe with non-；A water filtration assemblies are provided at circulation port；It is provided on the running water pipe being connect with the water inlet into water water pump and inlet water solenoid valve, is provided on the circulation pipe and send water water pump and induction valve；Moisturizing water level sensor is provided in the waterspace pool and water level sensor of cutting off the water, the water inlet water pump and inlet water solenoid valve are electrically connected with moisturizing water level sensor and water level sensor of cutting off the water simultaneously.Open induction valve water in waterspace pool can be supplied to it is non-drink grade water module, realize in waterspace pool water carry out secondary use while, realize the flowing at water source in waterspace pool, make its be not easy become stagnant water and it is smelly.
Description
Technical field
The present invention relates to a kind of water-saving technology field, in particular to a kind of water circulation system of indoor waterspace pool.
Background technique
Water feature design refers to the general name of various water sceneries in gardens.It is the combination of garden landscape and water supply, draining.One
As include a variety of water sceneries such as lake, pond, pool, streams, Shui Po, water channel, waterfall, cascade, drop, waterwall and fountain.
Have in many public arenas and some families at present, waterspace pool can be all set to improve aesthetics and building
Class.However, be provided with waterspace pool indoors, due to being arranged in more closed space, water in waterspace pool in addition
Therefore if water replacement is not hardworking enough in waterspace pool, it is easy for causing water in waterspace pool smelly for stagnant water.
And if duration is replaced, it will lead to a large amount of wastes of water resource again.
Summary of the invention
The object of the present invention is to provide a kind of water circulation system of indoor waterspace pool, water in waterspace pool is reached and has been not easy to send out
Effect that is smelly and not will cause great lot of water resources waste.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of water circulation system of indoor waterspace pool, including waterspace pool and it is non-drink grade water module, be arranged on the waterspace pool
Have water inlet, discharge outlet and circulation port, the water inlet of the waterspace pool is connected to running water pipe, the circulation port of the waterspace pool with
Non- grade water module of drinking is connected to by a circulation pipe；A water filtration assemblies are provided at the circulation port；
It is provided on the running water pipe being connect with the water inlet into water water pump and inlet water solenoid valve, is provided on the circulation pipe
Send water water pump and induction valve；
Moisturizing water level sensor is provided in the waterspace pool and cut off the water water level sensor, the water inlet water pump and inlet water solenoid valve
It is electrically connected simultaneously with moisturizing water level sensor and water level sensor of cutting off the water.
Further preferably are as follows: the non-grade water module of drinking includes one or more of closestool, flowerpot, flower bed.
So set, running water pipe moisturizing into waterspace pool, rather than when drinking grade and being needed with water module with water, opening send water
Valve water in waterspace pool can be supplied to it is non-drink grade water module, realize to water in waterspace pool carry out it is secondary use it is same
When, and when in waterspace pool water consumption to a certain extent when, i.e., water level be lower than moisturizing water level sensor when starting water inlet water pump carry out
Moisturizing, and when water level and do not cut off the water water level sensor, stopping moisturizing to realize the flowing at water source in waterspace pool makes it
It is not easy smelly as stagnant water.Wherein, flowerpot, flower bed induction valve needs be separately provided, and closestool using its water tank carry
Valve.
Further preferably are as follows: the non-grade water module of drinking is connect by a spare water pipe with running water pipe, described standby
With the control valve being arranged in parallel with inlet water solenoid valve is provided on water pipe, it is provided on the circulation pipe close to the position of circulation port
One backwashing solenoid valve.
So set, discharge water in waterspace pool or when not in use, can supply water by spare water pipe, avoid non-drinking grade
It is affected with the normal use of water module.Meanwhile can in use for some time, can be intake water pump by starting, and
It opens simultaneously backwashing solenoid valve and control valve is backwashed, water filtration assemblies are cleaned, after avoiding long-time use
Water filtration assemblies are caused to be blocked by spot.
Further preferably are as follows: the circulation port is set on the side wall of waterspace pool and is provided with spacing between water scenery bottom of pond portion.
So set, can be avoided the clogging circulation port of the substances such as the soil in waterspace pool, rubbish.
Further preferably are as follows: the waterspace pool is provided with low water level sensor on the position lower than height where circulation port,
The low water level sensor and control valve, backwashing solenoid valve and water water pump is sent to be electrically connected, wherein the control valve and recoil
Wash when solenoid valve is controlled by low water level sensor movement to open and close state opposite.
Water level is then represented lower than low water level sensor and can not be supplied water from circulation port to non-grade water module of drinking, therefore, low
Water level sensor can automatically open control valve, can close backwashing solenoid valve at this time, and water in running water pipe is supplied to non-drink
Grade water module.
Further preferably are as follows: the water filtration assemblies include coarse filtration head and filter screen, and the tapered stretching of coarse filtration follows
Outside collar extension.
So set, filtered some spots for be easy to causeing filter screen to block by coarse filtration head using multistage filtering, and
The structure of taper, so that being not easy to plug coarse filtration head after filtering.
Further preferably are as follows: the circulation port is in be arranged obliquely.
So set, being easy the spot for making to be blocked by coarse filtration head and the raw disengaging of coarse filtration hair, avoid occurring after being used for a long time
Blocking.
Further preferably are as follows: the filter screen is connect in cylindrical tube shape and its open end with coarse filtration head, in the filter screen
The cleaning water wheels for being controlled by water flow rotation are provided with, the hair for clearing up filter screen side wall is provided on the cleaning water wheels
Brush.
So set, a cleaning water wheels are arranged in water filtration assemblies, make it when water flow passes through water filtration assemblies
Time is able to drive cleaning water wheels rotation, is cleared up by the hairbrush on the outside of cleaning water wheels filter screen, further avoids filtering
Net blocks.
Further preferably are as follows: a pair of threaded screw rod is provided on the coarse filtration head, the cleaning water wheels are threadedly connected to double
On threaded screw rod and rotate with it in double thread screw rod toward polyslip.
So set, making to clear up water wheels in the course of rotation, past polyslip can be done along double thread screw rod, so as to
More comprehensive clears up filter screen.
In conclusion the invention has the following advantages:
1, secondary use is carried out to water in waterspace pool, while promotes the circulation that water generates consumption and supplements in waterspace pool, make its length
Phase use will not be smelly；
2, using unique cleaning structure, water filtration assemblies are cleared up, there can be very long service life, be not easy
It blocks.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the structural schematic diagram one of water filtration assemblies in the present embodiment；
Fig. 3 is the structural schematic diagram two of water filtration assemblies in the present embodiment.
In figure, 1, waterspace pool；11, water inlet；12, discharge outlet；13, circulation port；2, grade water module is drunk；21, closestool；
22, flower bed；3, running water pipe；31, water inlet water pump；32, inlet water solenoid valve；4, circulation pipe；41, water water pump is sent；42, backwash electricity
Magnet valve；43, induction valve；5, spare water pipe；51, control valve；61, low water level sensor；62, moisturizing water level sensor；63, cut off the water
Water level sensor；7, water filtration assemblies；71, coarse filtration head；711, outlet pass；72, filter screen；8, water wheels are cleared up；81, hairbrush；9,
Double thread screw rod.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
In the description of the present invention, it is to be understood that, the orientation or position of the instructions such as term " on ", "lower", "left", "right"
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is interpreted as limitation of the present invention.
A kind of water circulation system of indoor waterspace pool, as shown in Figure 1, include waterspace pool 1 and it is non-drink grade water module 2,
Water inlet 11, discharge outlet 12 and circulation port 13 are provided on waterspace pool 1, discharge outlet 12 is set to the bottom of waterspace pool 1, circulation port 13
Spacing is provided on the side wall of waterspace pool 1 and between 1 bottom of waterspace pool.
The water inlet 11 of waterspace pool 1 is connected to running water pipe 3, is provided on the running water pipe 3 at water inlet 11 into water
Water pump 31 and inlet water solenoid valve 32.
Non- grade water module 2 of drinking is made of three closestools 21 and two flower beds 22 in the present embodiment, wherein waterspace pool
1 circulation port 13 is drunk grade water module 2 and is connected to by circulation pipe 4 with non-, is provided on the general pipeline of circulation pipe 4 and send water water pump
41 and backwashing solenoid valve 42, backwashing solenoid valve 42 is a normally open valve.It is being in charge of respectively with what closestool 21 and flower bed 22 were connect
On be provided with an induction valve 43, wherein the induction valve 43 of flower bed 22 needs are separately provided, and closestool 21 uses in its water tank
Included valve.
The discharge outlet 12 and water passage of waterspace pool 1.
Meanwhile non-grade water module 2 of drinking is connect by spare water pipe 5 with running water pipe 3, is provided on spare water pipe 5
The control valve 51 being arranged in parallel with inlet water solenoid valve 32.
The sensor different there are three sensed water level height is set in waterspace pool 1, and detection height is respectively from low to high
Low water level sensor 61, moisturizing water level sensor 62 and water level sensor 63 of cutting off the water, moisturizing water level sensor 62 and water level of cutting off the water
Sensor 63 is electrically connected with water water pump 41 and induction valve 43 is sent, and when water level is lower than moisturizing water level sensor 62, water is sent in starting
Water pump 41 simultaneously opens induction valve 43 in tap water feeding waterspace pool 1, when water level, which, does not cut off the water water level sensor 63, closes
Send water water pump 41 and induction valve 43.
Low water level sensor 61 and control valve 51, backwashing solenoid valve 42 and water water pump 41 is sent to be electrically connected, and control valve
51 and backwashing solenoid valve 42 be controlled by low water level sensor 61 act when open and close state on the contrary, i.e. control valve 51 open when,
Backwashing solenoid valve 42 is closed；When control valve 51 is closed, backwashing solenoid valve 42 is opened.When not having water or discharge outlet in waterspace pool 1
When 12 drainings lead to water level lower than low water level sensor 61, it can start and send water water pump 41, and open control valve 51, close recoil
Solenoid valve 42 is washed, tap water is supplied directly to non-to drink grade water module 2.Wherein, it is higher than low water level sensor 61 in water level
When, control valve 51 is closed, and backwashing solenoid valve 42 is in the open state.
Circulation port 13 is provided with a water filtration assemblies 7 in being arranged obliquely at circulation port 13, as shown in Figures 2 and 3,
Water filtration assemblies 7 include coarse filtration head 71 and filter screen 72, the tapered structure setting of coarse filtration head 71, and the outer (ginseng of stretching circulation port 13
See Fig. 1), the linear outlet pass 711 of multiple tracks is provided on coarse filtration head 71.
Filter screen 72 is diametrically less than the cylindrical tube shape of circulation pipe 4, and filter screen 72 is the sidewall sections of cylindrical-shaped structure,
In closing setting, the open end of the other end is connect with coarse filtration head 71 for bottom.It is provided with one in filter screen 72 and is controlled by water flow rotation
Cleaning water wheels 8, clear up on water wheels 8 and be provided with hairbrush 81 for clearing up 72 side wall of filter screen.One is provided on coarse filtration head 71
Double thread screw rod 9, cleaning water wheels 8 are threadedly connected on double thread screw rod 9 and rotate with it in double thread screw rod 9 toward polyslip.
Working principle: when having water in waterspace pool 1, non-grade water module 2 of drinking needs to open induction valve 43 with water
Non- grade water module 2 is drunk by sending water water pump 41 to be sent to water in waterspace pool 1.When water is lower than moisturizing water in waterspace pool 1
When level sensor 62, water inlet water pump 31 starts and opens inlet water solenoid valve 32, and tap water is sent in waterspace pool 1, water is worked as
It does not cross when cutting off the water water level sensor 63, water inlet water pump 31 stops simultaneously closing inlet water solenoid valve 32.Wherein, pass through water mistake in water flow
When filtering component 7, water flow will drive cleaning water wheels 8 and rotate, and in its rotation process, can do on double thread screw rod 9 along its axial direction
It is mobile toward polyslip, and in this process, hairbrush 81 can be swiped on 72 surface of filter screen and be cleared up it.
It is non-at this time when drinking grade water module 2 and needing with water when water level is lower than low water level sensor 61 in waterspace pool 1,
Control valve 51 is opened, and backwashing solenoid valve 42 is closed, and after opening induction valve 43, starting send water water pump 41 to be sent to tap water
It is non-to drink in grade water module 2.
When using after a certain period of time, when needing to clear up water filtration assemblies 7, control valve 51 and backwash are opened simultaneously
Tap water is entered in waterspace pool 1 from circulation port 13 after starting water inlet water pump 31, is carried out to water filtration assemblies 7 by solenoid valve 42
Back flush.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the protection scope of invention.
Claims (9)
1. a kind of water circulation system of indoor waterspace pool, it is characterized in that: include waterspace pool (1) and it is non-drink grade water module (2),
Water inlet (11), discharge outlet (12) and circulation port (13), the water inlet of the waterspace pool (1) are provided on the waterspace pool (1)
(11) it is connected to running water pipe (3), the circulation port (13) of the waterspace pool (1) is drunk grade water module (2) and followed by one with non-
Endless tube (4) connection；A water filtration assemblies (7) are provided at the circulation port (13)；
It is provided on the running water pipe (3) being connect with the water inlet (11) into water water pump (31) and inlet water solenoid valve (32), institute
It states to be provided on circulation pipe (4) and send water water pump (41) and induction valve (43)；
Moisturizing water level sensor (62) and water level sensor of cutting off the water (63), the water inlet water pump are provided in the waterspace pool (1)
(31) it is electrically connected simultaneously with moisturizing water level sensor (62) and water level sensor of cutting off the water (63) with inlet water solenoid valve (32).
2. a kind of water circulation system of indoor waterspace pool (1) according to claim 1, non-grade is drunk it is characterized in that: described
It include one or more of closestool (21), flowerpot, flower bed (22) with water module (2).
3. a kind of water circulation system of indoor waterspace pool (1) according to claim 1 or 2, non-drunk it is characterized in that: described
Grade is connect by a spare water pipe (5) with running water pipe (3) with water module (2), is provided with and is intake on the spare water pipe (5)
The control valve (51) that solenoid valve (32) is arranged in parallel, it is anti-that the position on the circulation pipe (4) close to circulation port (13) is provided with one
Scouring electromagnetic valve (42).
4. the water circulation system of a kind of indoor waterspace pool (1) according to claim 3, it is characterized in that: the circulation port
(13) spacing is provided on the side wall of waterspace pool (1) and between waterspace pool (1) bottom.
5. the water circulation system of a kind of indoor waterspace pool (1) according to claim 4, it is characterized in that: the waterspace pool (1)
It is provided with low water level sensor (61) on position lower than height where circulation port (13), the low water level sensor (61) and control
Valve (51) processed, backwashing solenoid valve (42) and water water pump (41) is sent to be electrically connected, wherein the control valve (51) and backwash are electric
When magnet valve (42) is controlled by low water level sensor (61) movement to open and close state opposite.
6. the water circulation system of a kind of indoor waterspace pool (1) according to claim 1, it is characterized in that: the water filtering group
Part (7) includes coarse filtration head (71) and filter screen (72), and the tapered stretching circulation port (13) of coarse filtration head (71) is outside.
7. the water circulation system of a kind of indoor waterspace pool (1) according to claim 6, it is characterized in that: the circulation port
It (13) is in be arranged obliquely.
8. the water circulation system of a kind of indoor waterspace pool (1) according to claim 7, it is characterized in that: the filter screen
(72) it is connect in cylindrical tube shape and its open end with coarse filtration head (71), is provided with one in the filter screen (72) and is controlled by water flow
The cleaning water wheels (8) of rotation, it is described to clear up the hairbrush (81) being provided on water wheels (8) for clearing up filter screen (72) side wall.
9. the water circulation system of a kind of indoor waterspace pool (1) according to claim 8, it is characterized in that: the coarse filtration head
(71) it is provided on a pair of threaded screw rod (9), the cleaning water wheels (8) are threadedly connected on double thread screw rod (9) and with its turn
It moves in double thread screw rod (9) past polyslip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095651.6A CN109589665B (en) | 2019-01-31 | 2019-01-31 | Water circulation system of indoor waterscape pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095651.6A CN109589665B (en) | 2019-01-31 | 2019-01-31 | Water circulation system of indoor waterscape pond |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109589665A true CN109589665A (en) | 2019-04-09 |
| CN109589665B CN109589665B (en) | 2021-01-05 |
Family
ID=65966945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910095651.6A Active CN109589665B (en) | 2019-01-31 | 2019-01-31 | Water circulation system of indoor waterscape pond |
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| Country | Link |
|---|---|
| CN (1) | CN109589665B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074134A (en) * | 2007-06-14 | 2007-11-21 | 上海达人环保科技有限公司 | Landscape aquatic ecological purifying treating system and method for composite medium artificial wet land |
| CN201959617U (en) * | 2010-12-24 | 2011-09-07 | 浙江沁园水处理科技有限公司 | Automatic cleaning type filter device |
| CN102491571A (en) * | 2011-12-19 | 2012-06-13 | 西南化工研究设计院 | Scenic water recycling device and treatment method |
| CN205134450U (en) * | 2015-11-26 | 2016-04-06 | 文登蓝岛建筑工程有限公司 | Waste water cyclic utilization device between shower |
| CN207142943U (en) * | 2017-07-12 | 2018-03-27 | 光合文旅控股股份有限公司 | A kind of pond management system of afforestation |
-
2019
- 2019-01-31 CN CN201910095651.6A patent/CN109589665B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074134A (en) * | 2007-06-14 | 2007-11-21 | 上海达人环保科技有限公司 | Landscape aquatic ecological purifying treating system and method for composite medium artificial wet land |
| CN201959617U (en) * | 2010-12-24 | 2011-09-07 | 浙江沁园水处理科技有限公司 | Automatic cleaning type filter device |
| CN102491571A (en) * | 2011-12-19 | 2012-06-13 | 西南化工研究设计院 | Scenic water recycling device and treatment method |
| CN205134450U (en) * | 2015-11-26 | 2016-04-06 | 文登蓝岛建筑工程有限公司 | Waste water cyclic utilization device between shower |
| CN207142943U (en) * | 2017-07-12 | 2018-03-27 | 光合文旅控股股份有限公司 | A kind of pond management system of afforestation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109589665B (en) | 2021-01-05 |
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