CN106677251A - Recycled water and collected rainwater recycling toilet flushing system - Google Patents
Recycled water and collected rainwater recycling toilet flushing system Download PDFInfo
- Publication number
- CN106677251A CN106677251A CN201611197272.0A CN201611197272A CN106677251A CN 106677251 A CN106677251 A CN 106677251A CN 201611197272 A CN201611197272 A CN 201611197272A CN 106677251 A CN106677251 A CN 106677251A
- Authority
- CN
- China
- Prior art keywords
- water
- rainwater
- water tank
- pipe
- moisturizing
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 209
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 27
- 238000004064 recycling Methods 0.000 title abstract 2
- 239000008399 tap water Substances 0.000 claims abstract description 42
- 235000020679 tap water Nutrition 0.000 claims abstract description 42
- 230000003020 moisturizing effect Effects 0.000 claims description 48
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000001502 supplementing effect Effects 0.000 abstract 8
- 230000003247 decreasing effect Effects 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000016776 visual perception Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
- E03B2001/045—Greywater supply systems using household water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
- E03B2001/047—Greywater supply systems using rainwater
Abstract
The invention relates to a recycled water and collected rainwater recycling toilet flushing system which is arranged on a building with at least two floors. The system comprises a water tank and a toilet bowl arranged on the same layer and a rainwater collection box arranged at the high place of the building. The water tank is connected with a recycled water inlet pipe, a water tank water outlet pipe, a tap water supplementing pipe and a rainwater supplementing branch pipe. Recycled water on the upper layer flows into the water tank through the recycled water inlet pipe. One end of the water tank water outlet pipe is connected with the bottom of the water tank, and the other end of the water tank water outlet pipe is connected with the toilet bowl. One end of the tap water supplementing pipe is connected with a tap water pipe of the building, and the other end of the tap water supplementing pipe stretches into the water tank and is provided with a tap water valve. One end of the rainwater supplementing branch pipe stretches into the water tank, and the other end of the water tank is connected with a rainwater supplementing header pipe. The rainwater supplementing header pipe is communicated with the rainwater collection box, a rainwater valve is arranged at the end, stretching into the water tank, of the rainwater supplementing branch pipe, and the tap water valve is lower than the rainwater valve in position. The technology of the water consumption sequence of recycled water, rainwater and tap water is adopted, household water can be saved, and the recycled water and rainwater utilization rate can be increased.
Description
Technical field
The present invention relates to flushing system, reuse flushing system after particularly a kind of middle water and rainwater-collecting.
Background technology
Our countries are vigorously advocating Constructing Water-saved Society, and daily life has been goed deep in water saving motion.By
In in household water, the water for rushing toilet constitutes about the 30% of total water consumption, therefore some producers turn one's attention to
The research and development of water-saving closet and application.Although part water-saving closet is by improving toilet structure, it is possible to reduce amount of flush water, constantly subtract
Few water consumption is run counter to desire on the contrary, and reason is very simple, due to water consumption it is few, it may be necessary to repeatedly rinsing repeatedly just can rinse,
" water saving " has been reformed into and wasted water.In addition, amount of flush water can not enough affect pipeline unimpeded.Lot of domestic and international expert point out, according to seat
The unimpeded requirement of ability needed for toilet stool washing and pipeline, it has been the limit that toilet 6L water is rinsed, micro- hence with middle water or family
It is most rising toilet water-saving method that contaminant water rinses toilet.And flush the toilet to equally exist using Treated sewage reusing and ask
Topic, because middle water general turbidity is higher, if be processed to the degree for reaching organoleptic requirements, invests and operational and administrative expenses
Can be very high;Such as without directly utilization is processed, then the water seal that bath is remained in toilet after finishing is still muddy, visual perception
It is not good, and there is potential hygienic risk.A large amount of rainwater on rainy day, are also a kind of flushing supply, could not enough collect and fill
Divide and use, be also the waste in resource.
The content of the invention
It is an object of the present invention to propose reuse flushing system after a kind of middle water and rainwater-collecting, make full use of middle water and
Rainwater flushing the toilet, with using water wisely, saving water resource.
To achieve these goals, the invention provides reuse flushing system, its feature after a kind of middle water and rainwater-collecting
It is that reuse flushing system is arranged at least building of two floor heights after middle water and rainwater-collecting, including being arranged on same layer
Water tank, toilet and be arranged on the rainwater collection header of building eminence, the water tank be connected with middle water water inlet pipe, radiator drain,
Tap water filling pipe and rainwater moisturizing arm, the middle water of last layer is flowed in water tank by middle water water inlet pipe, radiator drain
The bottom other end connection toilet of one end connection water tank, tap water filling pipe one end connects the running water pipe of building, and the other end is stretched
Enter in water tank and be provided with running water valve, it is total that the water tank other end connection rainwater moisturizing is stretched in one end of rainwater moisturizing arm
Pipe, rainwater moisturizing house steward connects the rainwater collection header, and rainwater moisturizing arm stretches into one end of water tank and is provided with rainwater valve, tap water
The position of valve is less than rainwater valve.
Reuse flushing system after the middle water and rainwater-collecting of present invention offer, by the household water for collecting micro- pollution
And rainwater is used to flush the toilet, and is capable of achieving the saving of domestic water, employ that middle water is preferential, rainwater secondly, tap water it is last use water
Sequential technologies, while Waste water utilization rate and rainwater utilization is improved, it is to avoid the problem of Waterless flushing occur.
Description of the drawings
Fig. 1 is reuse flushing system structural representation after middle water and rainwater-collecting;
Fig. 2 is water tank internal structure schematic diagram;
Fig. 3 is reuse flushing system structural representation after middle water and rainwater-collecting.
The present invention is described in further detail below in conjunction with the accompanying drawings.
Specific embodiment
Referring to Fig. 3, reuse flushing system is arranged at least building of two floor heights after middle water and rainwater-collecting, per first floor
On be equipped with water tank 2 and toilet 4.Referring to Fig. 2, water tank 2 includes the mud chamber 10 of connection and reservoir chamber 11, the top of mud chamber 10
It is connected with middle water water inlet pipe 1, the wash basin of last layer user, bathroom, washes in nappy etc. water by drain pipe and middle water water inlet pipe 1
Connection, water in the washing one's face and rinsing one's mouth, take a shower of last layer user, vegetable washing water etc. is collected in the mud chamber 10 of water tank 2, larger in middle water
Particulate matter etc. be deposited in the bottom of mud chamber 10, the water for having precipitated then is flowed in reservoir chamber 11.Referring to Fig. 1 to Fig. 3, water tank goes out
The bottom other end connection of one end connection reservoir chamber 11 of water pipe 3 is used with the toilet 4 of the same layer of water tank 2, the water in reservoir chamber 11
To rinse the toilet 4 of same floor.Due to the difference in height of floor levels, the collection of middle water and use of flushing the toilet can be utilized completely
The middle water gravity of itself reduces extra cost without setting up water pump in addition.Reservoir chamber 11 is provided with overfall, overflow pipe on top
7 one end connects the overfall of this layer of water tank 2, and the other end connects the reservoir chamber 11 of next layer of water tank.The overflow pipe 7 of next level
One end connect the reservoir chamber 11 of this layer of water tank 2, the other end connects the overfall of last layer water tank.When last layer storing water in water tank room
When 11 middle water excess produces overflow, in unnecessary this floor storing water in water tank room 11 of water Liu Dao, the middle water of this floor storing water in water tank room 11
During excessive generation overflow, in the next floor storing water in water tank rooms 11 of unnecessary water Liu Dao, the middle water for alloing different floor gaps is adjusted, in
Water is fully used.
Referring to Fig. 1, rainwater collection header 18 is provided with building eminence, the building eminence can be top exterior wall or roof,
As long as being higher than in height the top water tank 2 of building, rainwater collection header 18 is used for collecting rainwater.Gone out according to roof rainwater
Mouth of a river position, installs one or more rainwater-collecting auxiliary tank 19, rainwater-collecting auxiliary tank 19 by communicating pipe 20 with
Rainwater collection header 18 connects.Rainwater collection header 18 and rainwater-collecting auxiliary tank 19 can collect rainwater with many places, improve rainwater-collecting
Efficiency, does not cause roof hydrops, while the volume of single water tank can also be reduced, is easily installed.Rainwater moisturizing house steward 9 connects rain
The bottom of water collection tank 18, the reservoir chamber 11 of each layer of water tank connects rainwater moisturizing house steward 9, rainwater by rainwater moisturizing arm 91
The other end of the reservoir chamber 11 connection rainwater moisturizing house steward 9 of water tank 2 is stretched in one end of moisturizing arm 91, and rainwater moisturizing arm 91 is stretched into
One end of reservoir chamber 11 is provided with rainwater valve.Referring to Fig. 2, rainwater valve includes rainwater float 14 and rainwater water check valve 15, rainwater valve tool
Rain moisturizing line 16, rainwater moisturizing line 16 is because water level is located when the water level decreasing rainwater water check valve 15 of reservoir chamber 11 is opened
Line.When the water level decreasing in reservoir chamber 11 is to rainwater moisturizing line 16, rainwater water check valve 15 is opened, and is given by rainwater collection header 18
The moisturizing of water tank 2;As the water in reservoir chamber 11 is fed, water level constantly rises, and rainwater float 14 rises with water level, works as water
When position rises to rainwater moisturizing line 16, rainwater float 14 closes rainwater water check valve 15, stops the moisturizing of rainwater collection header 18.
Referring to Fig. 2, the one end of tap water filling pipe 6 connects the running water pipe of building, and the other end stretches into the reservoir chamber 11 of water tank
Interior and be provided with running water valve, running water valve is opened, and tap water just can be flowed in reservoir chamber 11 carries out moisturizing, and running water valve is closed
Close, then tap water stops to the moisturizing of water tank 2.Running water valve includes tap water float 12 and tap water water check valve 13, running water valve
With tap water moisturizing line 17, tap water moisturizing line 17 is due to when the water level decreasing tap water water check valve 13 of reservoir chamber 11 is opened
The line that water level is located.When the water level decreasing in reservoir chamber 11 is to tap water moisturizing line 17, tap water water check valve 13 is opened, by certainly
The moisturizing of water feed-tank 2;As the water in reservoir chamber 11 is fed, water level constantly rises, and tap water float 12 is with water level
Rise, when water level rises to tap water moisturizing line 17, tap water float 12 closes tap water water check valve 13, stop tap water and mend
Water.
Referring to Fig. 2, tap water moisturizing line 17 is less than rainwater moisturizing line 16, and reservoir chamber 11 is in rainwater moisturizing line 16 and tap water
Volume of the volume between moisturizing line 17 slightly larger than the water tank of toilet 4.Toilet 4 is preferentially using the middle water in reservoir chamber 11, central water
Have little time to supplement, when the water level decreasing of reservoir chamber 11 is to rainwater moisturizing line 16, rainwater float 14 declines, open rainwater water check valve 15,
The moisturizing of reservoir chamber 11 is given by rainwater collection header 18.The water of reservoir chamber 11 flows into again toilet 4, after toilet 4 completes once to be full of, no longer
Water inlet, water level rises in reservoir chamber 11, and rainwater float 14 floats, and rainwater water check valve 15 is closed, and stops rainwater moisturizing.Toilet 4 this
When in prepare use state, wait use next time during, water tank 2 can continue collect in water, even if this process
In do not collect middle water, next time toilet still can carry out moisturizing by rainwater, now without the need for tap water moisturizing.Work as rainwater collection
When water in header 18 is also finished, when the water level of storing water in water tank room 11 is further lowered into tap water moisturizing line 17, tap water is floated
Son 12 declines, and opens tap water water check valve 13, by the moisturizing of tap water case reservoir chamber 11, so as to water is preferential in realizing, rainwater
What secondly, tap water was last uses water order, it is ensured that middle water energy is fully used, while and not causing the trouble of Waterless flushing.
Because water tank mud chamber 10 can produce a certain amount of mud accumulation after a period of time, need to enter these mud
Row cleaning.Referring to Fig. 1, the top of rainwater collection header 18 is provided with water level switch 23, the connection rainwater collection of rain-out pipe 5 header 18
Bottom and uppermost storey water tank the top of mud chamber 10, the top of rain-out pipe 5 is provided with electromagnetic valve 21, and flush pipe 51 connects
The bottom of water receiving case mud chamber 10 and the top of water tank mud chamber of lower floor 10, the top of flush pipe 51 is provided with electromagnetic valve 22.Work as rain
Water is relatively more, and when the water level in rainwater collection header 18 reaches 23 position of water level switch, electromagnetic valve 21 and each electromagnetic valve 22 are opened,
Rainwater utilization self gravitation starts to be rinsed the mud chamber 10 of each water tank, and through delays time to control, each closed electromagnetic valve is complete
Into once flushing, mud chamber 10 completes an automatically cleaning, reduces water tank abnormal flavour.
The present invention collects the domestic water of micro- pollutions such as the washing one's face and rinsing one's mouth, take a shower of upper-layer user, vegetable washing water, for this layer of user's
Flush the toilet, due to the difference in height of levels, the collection of middle water and using water itself in can utilizing completely gravity without in addition
Water pump is set up, extra cost is reduced.Overflow pipe couples together in the water tank of adjacent two layers, and the middle water for alloing different floor gaps exists
It is adjusted to a certain extent, improves Waste water utilization rate.Collect rainwater centering water to be supplemented, achievable middle water is preferential, rainwater
What secondly, tap water was last uses water order, it is ensured that middle water energy is fully used, while and not causing the trouble of Waterless flushing.
The rainwater of collection can also carry out auto-flushing to the mud chamber of water tank, realize the automatically cleaning of water tank.Use cost of the present invention is low,
Middle water and research advances are high, with self-cleaning function, it is easy to received by user.
Certainly, the invention is not limited to above-mentioned embodiment, and those of ordinary skill in the art are without prejudice to this
Equivalent variations or replacement can be also made on the premise of spirit, the deformation or replacement of these equivalents are all contained in the application right
Require in limited range.
Claims (7)
1. reuse flushing system after a kind of middle water and rainwater-collecting, it is characterised in that reuse after middle water and rainwater-collecting is flushed the toilet and is
System is arranged at least building of two floor heights, including being arranged on the water tank of same layer, toilet and be arranged on the rain of building eminence
Water collection tank, the water tank is connected with middle water water inlet pipe, radiator drain, tap water filling pipe and rainwater moisturizing arm, and upper one
The middle water of layer is flowed in water tank by middle water water inlet pipe, the bottom other end connection horse of one end connection water tank of radiator drain
Bucket, tap water filling pipe one end connects the running water pipe of building, and the other end stretches in water tank and be provided with running water valve, and rainwater is mended
The water tank other end connection rainwater moisturizing house steward is stretched in one end of water arm, and rainwater moisturizing house steward connects the rainwater-collecting
Case, rainwater moisturizing arm stretches into one end of water tank and is provided with rainwater valve, and the position of running water valve is less than rainwater valve.
2. reuse flushing system after middle water according to claim 1 and rainwater-collecting, it is characterised in that also including overflow
Pipe, the water tank is provided with overfall on top, and one end of the overflow pipe connects the overfall of water tank, and the other end connects next layer
Water tank.
3. reuse flushing system after middle water according to claim 2 and rainwater-collecting, it is characterised in that the water tank includes
The mud chamber of connection and reservoir chamber, the middle water water inlet pipe connects mud chamber, and the radiator drain connects reservoir chamber, tap water
Filling pipe and rainwater moisturizing arm stretch into reservoir chamber.
4. reuse flushing system after middle water according to claim 3 and rainwater-collecting, it is characterised in that also rush including rainwater
Wash pipe and flush pipe, the mud chamber top of the water tank of the bottom and uppermost storey of rain-out pipe connection rainwater collection header, rainwater
Flush pipe is provided with electromagnetic valve, the bottom of flush pipe connection water tank mud chamber and the top of water tank mud chamber of lower floor, in flush pipe
Electromagnetic valve is provided with, the top of rainwater collection header is provided with water level switch.
5. reuse flushing system after middle water according to claim 4 and rainwater-collecting, it is characterised in that the rainwater valve tool
Rain moisturizing line, rainwater valve is opened when the water level in the reservoir chamber is less than rainwater moisturizing line line, otherwise is then closed, originally
Water valve has tap water moisturizing line, and running water valve is opened when the water level in the reservoir chamber is less than tap water moisturizing line, otherwise
Then close, tap water moisturizing line is less than rainwater moisturizing line.
6. reuse flushing system after middle water according to claim 5 and rainwater-collecting, it is characterised in that the reservoir chamber exists
Volume of the volume between rainwater moisturizing line and tap water moisturizing line slightly larger than the water tank of the toilet.
7. reuse flushing system after middle water according to claim 6 and rainwater-collecting, it is characterised in that also including being arranged on
The one or more rainwater-collecting auxiliary tank of building eminence, rainwater-collecting auxiliary tank is by communicating pipe and the rainwater collection
Header connects.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611197272.0A CN106677251A (en) | 2016-12-21 | 2016-12-21 | Recycled water and collected rainwater recycling toilet flushing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611197272.0A CN106677251A (en) | 2016-12-21 | 2016-12-21 | Recycled water and collected rainwater recycling toilet flushing system |
Publications (1)
Publication Number | Publication Date |
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CN106677251A true CN106677251A (en) | 2017-05-17 |
Family
ID=58870977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201611197272.0A Pending CN106677251A (en) | 2016-12-21 | 2016-12-21 | Recycled water and collected rainwater recycling toilet flushing system |
Country Status (1)
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CN (1) | CN106677251A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107130901A (en) * | 2017-06-16 | 2017-09-05 | 王海龙 | A kind of forms spray dust prevention system |
CN108775043A (en) * | 2018-08-16 | 2018-11-09 | 西南科技大学 | A kind of flushing system based on buck |
CN111592141A (en) * | 2020-05-19 | 2020-08-28 | 同济大学 | Non-discharge self-cleaning type circulating water flushing toilet |
CN111622299A (en) * | 2020-04-30 | 2020-09-04 | 新兴铸管股份有限公司 | Automatic step water replenishing method |
WO2020200058A1 (en) * | 2019-03-29 | 2020-10-08 | 罗勇 | Water saving system |
CN115448431A (en) * | 2022-10-10 | 2022-12-09 | 马占宇 | Purified water tail water collecting and recycling system |
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CN2549054Y (en) * | 2002-05-30 | 2003-05-07 | 李宏伟 | Water-saving device of bath appliances |
JP2009090243A (en) * | 2007-10-10 | 2009-04-30 | Chugoku Electric Power Co Inc:The | Water recycling system |
CN101649635A (en) * | 2009-09-14 | 2010-02-17 | 哈尔滨工业大学 | Reclaimed water recycle system of single-span multistoried building |
CN102071736A (en) * | 2010-12-08 | 2011-05-25 | 江苏中天环境工程有限公司 | Rainwater-controlled sewage discharge device |
CN206467711U (en) * | 2016-12-21 | 2017-09-05 | 广东水利电力职业技术学院(广东省水利电力技工学校) | Reuse flushing system after a kind of reclaimed water and rainwater-collecting |
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2016
- 2016-12-21 CN CN201611197272.0A patent/CN106677251A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2549054Y (en) * | 2002-05-30 | 2003-05-07 | 李宏伟 | Water-saving device of bath appliances |
JP2009090243A (en) * | 2007-10-10 | 2009-04-30 | Chugoku Electric Power Co Inc:The | Water recycling system |
CN101649635A (en) * | 2009-09-14 | 2010-02-17 | 哈尔滨工业大学 | Reclaimed water recycle system of single-span multistoried building |
CN102071736A (en) * | 2010-12-08 | 2011-05-25 | 江苏中天环境工程有限公司 | Rainwater-controlled sewage discharge device |
CN206467711U (en) * | 2016-12-21 | 2017-09-05 | 广东水利电力职业技术学院(广东省水利电力技工学校) | Reuse flushing system after a kind of reclaimed water and rainwater-collecting |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107130901A (en) * | 2017-06-16 | 2017-09-05 | 王海龙 | A kind of forms spray dust prevention system |
CN108775043A (en) * | 2018-08-16 | 2018-11-09 | 西南科技大学 | A kind of flushing system based on buck |
WO2020200058A1 (en) * | 2019-03-29 | 2020-10-08 | 罗勇 | Water saving system |
CN111622299A (en) * | 2020-04-30 | 2020-09-04 | 新兴铸管股份有限公司 | Automatic step water replenishing method |
CN111592141A (en) * | 2020-05-19 | 2020-08-28 | 同济大学 | Non-discharge self-cleaning type circulating water flushing toilet |
CN115448431A (en) * | 2022-10-10 | 2022-12-09 | 马占宇 | Purified water tail water collecting and recycling system |
CN115448431B (en) * | 2022-10-10 | 2024-01-30 | 马占宇 | Purified water tail water collecting and recycling system |
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Application publication date: 20170517 |