CN109078381B - Improved device for recovering waste water - Google Patents
Improved device for recovering waste water Download PDFInfo
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- CN109078381B CN109078381B CN201810791635.6A CN201810791635A CN109078381B CN 109078381 B CN109078381 B CN 109078381B CN 201810791635 A CN201810791635 A CN 201810791635A CN 109078381 B CN109078381 B CN 109078381B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/01—Shape or selection of material for flushing cisterns
- E03D1/012—Details of shape of cisterns, e.g. for connecting to wall, for supporting or connecting flushing-device actuators
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a waste water recovery improving device, which mainly comprises a toilet water tank device, a water quantity control assembly and a three-way pipe, wherein the toilet tank equipment comprises a filtering space and an equipment area, the filtering space is provided with a filtering device and a water level sensing device, the equipment area is provided with a pressurizing device, at least one filter and a conveying pipe connected to the filtering space, the water quantity control assembly comprises a driving device, a cleaning pipe set and a waste water conveying pipe set, when conveying clean water and cleaning the filter, the clear water can be matched with the cleaning pipe group and the pressurizing equipment and the water delivery amount is controlled by the driving device to achieve the cleaning effect, the waste water can be matched with the waste water delivery pipe group and the pressurizing equipment after passing through the filtering device and the water delivery amount is controlled by the driving device to achieve the purpose of output and storage, and the purpose of automatically recycling the waste water is achieved, and has the advantage of fully automatically recycling the wastewater without manual monitoring.
Description
Technical Field
The invention belongs to the technical field of wastewater treatment equipment, and particularly relates to a wastewater recovery and improvement device.
Background
At present, under the influence of rapid global climate change, the original fixed rainfall form changes, which causes the disaster of heavy rain in the area with little rain originally, while the area with fixed rain is dry for a long time, most of the water resources available for human beings come from rain, when the rainfall can not be stably supplied, the allocation and application of the water resources are more important, otherwise, the problem of water shortage can become a normal civil problem.
And therefore, the related equipment for saving water in the workshop is more accepted by the public. The most widely known water saving equipment for people is sanitary equipment, wherein the water saving equipment for the toilet water tank mainly changes the original accessories of the toilet water tank into two-section flushing accessories so as to save at least half of the flushing water. However, this method only reduces the amount of clean water used, and cannot really achieve the purpose of cleaning with waste water. In addition, most of the existing water-saving equipment in daily life is still lack of automatic function, and is not suitable for the times of developed technology.
Therefore, there is a need in the art for a new solution to solve the above problems.
Disclosure of Invention
The invention aims to provide a waste water recovery and improvement device, which solves the problems of low automation degree and small waste water purification range of the existing water-saving equipment in the background art.
The technical scheme of the invention is as follows:
the improved waste water recovering device includes one toilet water tank device including one filtering space with one filtering device and one water level sensor and one equipment area with one pressurizing device, at least one filter and one conveying pipe connected to the filtering space to convey filtered water;
a water quantity control component, which comprises a driving device, a cleaning pipe group and a waste water conveying pipe group, wherein the driving device controls the flow direction of clear water;
and a three-way pipe which comprises a first water inlet pipe, a second water inlet pipe and a first water outlet pipe communicated with the first water inlet pipe and the second water inlet pipe, wherein the first water outlet pipe is communicated with the pressurizing device, the first water inlet pipe is connected with the waste water conveying pipe group and conveys waste water to the pressurizing device through the first water outlet pipe and then the waste water is filtered and discharged by the filter, and the second water inlet pipe is connected with the cleaning pipe group and conveys clean water to the pressurizing device through the first water outlet pipe and conveys the clean water to the filter for cleaning and then discharging.
Furthermore, the cleaning pipe set comprises a first clear water pipe set and a second clear water pipe set, the first clear water pipe set is provided with a first input pipe connected with an external clear water inlet and a first output pipe connected with the second inlet pipe, and the second clear water pipe set is provided with a second input pipe connected with the pressurizing device and a second output pipe connected with the filter.
Furthermore, the waste water pipe set comprises a first waste water pipe set and a second waste water pipe set, the first waste water pipe set is provided with a first waste water input pipe communicated with the filtering space to convey the recovered waste water and a first waste water output pipe connected with the first water inlet pipe, and the second waste water pipe set is provided with a second waste water input pipe connected with the pressurizing device and a second waste water output pipe connected with the filter.
Further comprises a delivery pipe connected with the second wastewater output pipe and a control valve for controlling the water output of the delivery pipe.
Further, the filter is provided with a water flow switch controlled by the driving device.
Further, the water flow switch comprises a purified water conveying pipe connected with the water flow switch.
Further, the filtering device comprises a plurality of filtering nets.
Furthermore, the device further comprises a filtering and conveying pipe which is arranged among the filters and used for conveying the waste water or the clean water.
Further, an external sanitary is included, which is connected to the filtering space to discharge the waste water into the filtering space.
Further, the water storage device comprises a water storage tank which is connected with the clean water delivery pipe to store clean water and is internally provided with a water tank level sensor, a water discharge port and a water pumping motor.
Furthermore, the water storage tank further comprises a control box which is in signal connection with the water tank level sensor so as to judge the water level state in the water storage tank.
The toilet device is provided with a toilet tank device, and the toilet tank device is internally provided with a toilet tank water level sensor and a toilet tank tap water replenishing control valve, wherein the toilet tank water level sensor is connected with the control box through a signal to determine the amount of clean water in the toilet tank.
Furthermore, the device further comprises a tap water source switching device which is connected with the control valve for supplementing tap water to the toilet water tank.
The invention adopting the technical scheme can bring the following beneficial effects:
1. the recovered waste water can be filtered into clean waste water through the toilet water tank equipment, and the application range of the recovered waste water is expanded;
2. the waste water from the used sanitary ware is automatically recycled and reused, so that the aim of reusing the waste water only by manpower monitoring before use is completely avoided;
3. the automatic cleaning and filtering device has the effect of automatically cleaning and filtering equipment, prolongs the service life of the toilet water tank equipment, can maintain the integral filtering effect at the same time, and solves the problem of reducing the filtering quality due to long-term use.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of the present invention.
Fig. 2 is a perspective view of the preferred embodiment of the present invention.
FIG. 3 is a perspective view of the present invention for transporting waste water for storage.
FIG. 4 is another perspective view of the present invention for transporting waste water for storage.
FIG. 5 is a schematic diagram of the operation of the present invention for transporting waste water for storage.
Fig. 6 is a perspective view of the filter for delivering clean water to clean the filter according to the present invention.
Fig. 7 is another perspective view of the filter for delivering clean water to clean the filter according to the present invention.
FIG. 8 is a schematic diagram of the operation of the filter for delivering clean water to clean the filter according to the present invention.
Fig. 9 is a schematic perspective view of the device for delivering clean water to clean and filter according to the present invention.
FIG. 10 is a schematic diagram of the operation of the cleaning and filtering device for delivering clean water according to the present invention.
FIG. 11 is a diagram illustrating a usage status of the external device according to the present invention.
FIG. 12 is a schematic view showing a state of use of the present invention in combination with a toilet and a water tank.
In the figure, 1-toilet tank device, 10-filtering space, 100-filtering device, 1004-water flow switch, 1006-clear water delivery pipe, 102-water level sensing device, 12-device area, 120-pressurizing device, 122-filter, 1220-water outlet, 1221-delivery pipe, 1222-control valve, 124-delivery pipe, 2-water amount control component, 20-driving device, 22-cleaning pipe set, 220-first clear water pipe set, 2200-first input pipe, 2202-first output pipe, 222-second clear water pipe set, 2220-second input pipe, 2222-second output pipe, 24-waste water delivery pipe set, 240-first waste water pipe set, 2400-first waste water input pipe, 2402-first waste water output pipe, 242-second waste water pipe set, 2420-a second wastewater input pipe, 2422-a second wastewater output pipe, a 3-three-way pipe, 30-a first water inlet pipe, 32-a second water inlet pipe, 34-a first water discharge pipe, 4-a filtering delivery pipe, 5-a filtering screen cleaning pipe, 50-a control valve, 6-external bathroom equipment, 7-a storage water tank, 70-a water tank water level sensor, 72-a water discharge port, 74-a water pumping motor, 8-a control box, 9-a toilet equipment, 90-a toilet equipment, 92-a toilet water tank water level sensor, 94-a control valve for supplementing tap water to the toilet water tank, 96-a tap water source switching device, 97-tap water supply equipment, 98-a water supplementing floating ball device and 99-a three-way pipe.
Detailed Description
Fig. 1 and fig. 2 are schematic views and perspective views illustrating a preferred embodiment of the present invention. The invention relates to an improved wastewater recovery device, which mainly comprises a toilet water tank device 1, a water quantity control component 2 and a three-way pipe 3, wherein the toilet water tank device 1 comprises a filtering space 10 and a device area 12, the filtering space 10 is provided with a filtering device 100 (consisting of a plurality of filtering nets) and a water level sensing device 102 (which is a sensing electrode bar), the filtering space 10 and the device area 12 are not communicated with each other, and the water level sensing device 102 is required to detect the water level of wastewater which needs to be filtered by the filtering device 100 and is input into the filtering space 10. The equipment area 12 is provided with a pressurizing device 120, at least one filter 122 and a delivery pipe 124 connected to the filtering space 10, the pressurizing device 120 is provided with a transformer required by the pressurizing device 120 to pressurize the waste water or clean water for achieving a better cleaning effect.
The water amount control assembly 2 further comprises a driving device 20 (serving as a driving motor), a cleaning pipe set 22 and a waste water conveying pipe set 24, wherein the cleaning pipe set 22 controls the flow direction of the clean water by the driving device 20, the waste water conveying pipe set 24 controls the flow direction of the waste water by the driving device 20, wherein the cleaning pipe set 22 comprises a first clean water pipe set 220 and a second clean water pipe set 222, the first clean water pipe set 220 is provided with a first input pipe 2200 and a first output pipe 2202, and the second clean water pipe set 222 is provided with a second input pipe 2220 and a second output pipe 2222.
Furthermore, the three-way pipe 3 comprises a first water inlet pipe 30, a second water inlet pipe 32 and a first water outlet pipe 34, wherein the first water outlet pipe 34 is communicated with the first water inlet pipe 30 and the second water inlet pipe 32, the first water outlet pipe 34 is communicated with the pressurizing device 120, the first water inlet pipe 30 is connected with the waste water conveying pipe set 24 and conveys waste water to the pressurizing device 120 through the first water outlet pipe 34, and then the waste water is filtered by the filter 122 for discharging and storing, and the second water inlet pipe 32 is connected with the cleaning pipe set 22 and conveys clean water to the pressurizing device 120 through the first water outlet pipe 34 and conveys the clean water to the filter 122 for cleaning and discharging.
As described above, the first input pipe 2200 of the cleaning pipe set 22 disposed on the first clean water pipe set 220 is mainly connected to an external clean water inlet to introduce clean water, and then the driving device 20 controls whether to carry out water delivery, the first output pipe 2202 is connected to the second water inlet pipe 32, the second clean water pipe set 222 is provided with the second input pipe 2220 and the second output pipe 2222, the second input pipe 2220 is connected to the pressurizing device 120, and the second output pipe 2222 is connected to the filter 122. As for the filter 122, an outlet 1220 for discharging the washing sewage is provided, and a delivery pipe 1221 and a control valve 1222 for controlling the amount of the discharged sewage are connected to the outlet 1220.
The waste water conveying pipe assembly 24 includes a first waste water pipe assembly 240 and a second waste water pipe assembly 242, the first waste water pipe assembly 240 is provided with a first waste water input pipe 2400 and a first waste water output pipe 2402, the first waste water input pipe 2400 is mainly communicated with the filtering space 10 to convey the recovered waste water, the first waste water output pipe 2402 is connected with the first water input pipe 30, the second waste water pipe assembly 242 is provided with a second waste water input pipe 2420 and a second waste water output pipe 2422, the second waste water input pipe 2420 is connected with the pressure device 120, and the second waste water output pipe 2422 is connected with the filter 122. The filters 122 are provided with a water flow switch 1004 controlled by the driving device 20, and a clean water pipe 1006 connected to the water flow switch 1004, and a filtering pipe 4 for conveying waste water or clean water is installed between the filters 122.
Referring to fig. 3, 4 and 5 together, there are shown a perspective view of the transport wastewater storage, another perspective view of the transport wastewater storage and an operation view of the transport wastewater storage according to the present invention. In fig. 3, the waste water is conveyed and passed through two sets of filters as an example, arrows in the drawing are the conveying direction of the recovered waste water, when the waste water which can be recycled from the outside is to be stored, the waste water needs to be finally filtered and cleaned, so the waste water must pass through the filtering device 100 of the filtering space 10 in the toilet water tank device 1, the filtering device 100 is mainly formed by multiple filtering nets side by side, so impurities in the waste water can be filtered and removed by the filtering device 100, the input amount of the waste water needs to be confirmed by the water level sensing device 102 to avoid excessive input, and when the water level sensing device 102 senses excessive or insufficient water, the external control device can control water supplement or stop water supplement. The filtered recycled wastewater can be inputted into the first wastewater input pipe 2400 of the first wastewater pipe set 240 through the conveying pipe 124, wherein the driving device 20 is mainly used for controlling the input amount of the recycled wastewater, the recycled wastewater is inputted into the pressurizing device 120 through the first water inlet pipe 30 in the three-way pipe 3 and the first wastewater output pipe 2402 via the first water discharge pipe 34, and then the recycled wastewater is discharged into the second wastewater input pipe 2420 of the second wastewater pipe set 242 via the pressurizing device 120 and is conveyed to one of the filters 122 (located at the lower position) via the second wastewater output pipe 2422, because the filtering conveying pipe 4 for conveying wastewater or clean water is additionally arranged between the two filters 122, after the filtering of the first group of filters 122 is completed, the recycled wastewater is conveyed to the second group of filters 122 through the filtering conveying pipe 4 for secondary filtering, and finally is discharged and stored through the clean water conveying pipe 1006, the recovered wastewater can be recovered and reused, so that the wastewater can be automatically recovered and reused without manual monitoring.
Fig. 6, 7 and 8 are schematic perspective views of the filter for conveying clean water, another schematic perspective view of the filter for conveying clean water and an operation schematic view of the filter for conveying clean water according to the present invention. In the drawings, it is shown that two groups of filters are cleaned by delivering clean water, the arrow in the drawings is the direction of delivering clean water, the clean water is mainly tap water input from outside, and the clean water must be delivered to the second water inlet pipe 32 through the first output pipe 2202 via the first input pipe 2200 of the first clean water pipe group 220 and then input to the pressurizing device 120 through the first water outlet pipe 34, the pressurized clean water is delivered to the uppermost filter 122 through the second output pipe 2222 via the second input pipe 2220 of the second clean water pipe group 222, and the dirt inside is cleaned at the same time, in this embodiment, one group of filters 122 of the two groups of filters 122 is connected to the second output pipe 2222, and the clean water input at this time cleans the group of filters 122, because the filtering and delivering pipe 4 for delivering waste water or clean water is additionally arranged between the two groups of filters 122, and after the cleaning of the first group of filters 122, the cleaned clean water is delivered to the second group of filters 122 via the filtering and delivering pipe 4, after the second group of filters 122 is cleaned, the cleaned water can be discharged from the second waste water output pipe 2422, wherein the delivery pipe 1221 is connected to the second waste water output pipe 2422, so that the cleaned water is discharged from the delivery pipe 1221 through the control valve 1222, and the control valve 1222 can control the sewage discharge amount of the delivery pipe 1221.
In addition, fig. 9 and 10 show that the filter device is cleaned by delivering clean water, a filter screen cleaning pipe 5 is additionally connected to the tap water inlet, a control valve 50 is additionally installed on the filter screen cleaning pipe 5, the filter screen cleaning pipe 5 is communicated to the filtering space 10 and is located above the filter device 100, when the filter device 100 is to be cleaned, external tap water can be used for cleaning the filter device 100 through the filter screen cleaning pipe 5 only by the control valve 50, so that the effect of filtering waste water by the filter device 100 can be maintained, and the cleaned sewage can be discharged by the electromagnetic valve.
Fig. 11 and 12 are schematic views of the usage status of the invention connected to the external device and the usage status of the toilet and the water tank combined together. The external sanitary equipment 6 (which can be a washbasin or a bathtub) and the storage water tank 7 are connected, the waste water used by the external sanitary equipment 6 can be discharged into the filtering space 10 and filtered by the filtering device 100, and the filtered waste water becomes clean clear water which is then output to the storage water tank 7 by the clear water conveying pipe 1006 for storage and use, so as to achieve the purpose of recycling, storing and reusing the waste water. Furthermore, a water tank level sensor 70, a water outlet 72 and a water pumping motor 74 are arranged in the water storage tank 7, and the water tank level sensor 70 is in signal connection with the control box 8 so as to judge that the water level state in the water storage tank 7 is lower than the standard, and the water is supplemented (stored) by clean clear water after being filtered; when the water level in the water storage tank 7 is lower than the set minimum level and no water is supplied to the bathtub or the washbasin, the normal water amount required by the direct supply of tap water to the toilet tank is immediately switched by the control system of the control box 8, and then the water is pumped to the toilet tank 90 of the toilet device 9 through the water pumping motor 74 to complete water supply. And a toilet tank level sensor 92 provided in the toilet tank 90 immediately informs the control box 8 of the water drawn from the reserve tank to the toilet tank 90 by the water pump 74 to complete replenishing the amount of water required for the toilet tank when the water level is below a set maximum level. When the water level of the reserve tank is lower than the lowest limit (no water), the control box 8 instructs the tap water to supplement the required water amount of the toilet tank through the electromagnetic switch 94 when the water level of the toilet tank is lower than the standard. The drain 72 may be provided with additional water for other external requirements, such as cleaning, etc.
If power failure or abnormal signal occurs, the control system of the control box 8 is immediately switched, the electromagnetic switch is converted into tap water for supplement, the water level standard of the toilet water tank is controlled by the water tank float switch, and the normal automatic water saving function is immediately recovered when the power supply or the signal source is recovered to be normal.
The control box 8 determines the amount of fresh water in the storage tank 7 by signal connection, and the control valve 94 for replenishing the toilet tank with tap water, the tap water source switching device 96 and the tap water supply device 97 are all connected to the three-way pipe 99, when the tap water source switching device 96 determines an abnormal state (such as power failure or abnormal water replenishment), the control valve 96 for replenishing the toilet tank with tap water activates the water replenishing float device 98 in the toilet tank 90 to perform the external water replenishment from the tap water supply device 97, so as to ensure that the toilet tank 90 can maintain a fixed water level.
The tap water source switching device 96 can select a water supply source according to the power supply state by using the tap water source switching device 96, when the power failure or power failure state is judged, the tap water source switching device 96 can switch the water source into external tap water to be provided for the toilet water tank, and conversely, if the tap water source switching device 96 is in the power-on state, the recovered water can be recovered to be provided for the toilet water tank.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and any equivalent replacement made by those skilled in the art based on the spirit of the present invention will fall within the protection scope of the present invention.
Claims (13)
1. The utility model provides a waste water recovery improvement device which characterized in that: comprises a toilet tank device, which comprises a filtering space and a device area, wherein the filtering space is provided with a filter
The equipment area is provided with a pressurizing device, at least one filter and a delivery pipe which is connected with the filtering space and is used for delivering filtered water;
a water quantity control component, which comprises a driving device, a cleaning pipe group and a waste water conveying pipe group, wherein the driving device controls the flow direction of clear water;
and a three-way pipe which comprises a first water inlet pipe, a second water inlet pipe and a first water outlet pipe communicated with the first water inlet pipe and the second water inlet pipe, wherein the first water outlet pipe is communicated with the pressurizing device, the first water inlet pipe is connected with the waste water conveying pipe group and conveys waste water to the pressurizing device through the first water outlet pipe and then the waste water is filtered and discharged by the filter, and the second water inlet pipe is connected with the cleaning pipe group and conveys clean water to the pressurizing device through the first water outlet pipe and conveys the clean water to the filter for cleaning and then discharging.
2. The improved apparatus for recovering waste water according to claim 1, wherein: the cleaning pipe set comprises a first clear water pipe set and a second clear water pipe set, the first clear water pipe set is provided with a first input pipe connected with an external clear water inlet and a first output pipe connected with the second input pipe, and the second clear water pipe set is provided with a second input pipe connected with the pressurizing device and a second output pipe connected with the filter.
3. The improved apparatus for recovering waste water according to claim 1, wherein: the waste water conveying pipe group comprises a first waste water pipe group and a second waste water pipe group, the first waste water pipe group is provided with a first waste water input pipe communicated with the filtering space to convey recovered waste water and a first waste water output pipe connected with the first water inlet pipe, and the second waste water pipe group is provided with a second waste water input pipe connected with the pressurizing device and a second waste water output pipe connected with the filter.
4. The improved apparatus for recovering waste water according to claim 3, wherein: further comprises a delivery pipe connected with the second wastewater output pipe and a control valve for controlling the water yield of the delivery pipe.
5. The improved apparatus for recovering waste water according to claim 1, wherein: the filter is provided with a water flow switch controlled by the driving device.
6. The improved apparatus for recovering waste water according to claim 5, wherein: further comprises a purified water delivery pipe connected with the water flow switch.
7. The improved apparatus for recovering waste water according to claim 1, wherein: the filtering device comprises a plurality of filtering nets.
8. The improved apparatus for recovering waste water according to claim 1, wherein: further comprises a filtering and conveying pipe which is arranged among the filters and is used for conveying the waste water or the clean water.
9. The improved apparatus for recovering waste water according to claim 1, wherein: further includes an external sanitary unit connected to the filtering space to discharge the waste water.
10. The improved apparatus for recovering waste water according to claim 6, wherein: further comprises a water storage tank connected with the clean water delivery pipe for storing clean water, and a water tank level sensor, a water discharge port and a water pumping motor are arranged in the water storage tank.
11. The improved apparatus for recovering waste water according to claim 10, wherein: the water level control device further comprises a control box which is in signal connection with the water level sensor of the water tank so as to judge the water level state in the water storage tank.
12. The improved apparatus for recovering waste water according to claim 11, wherein: the toilet device is provided with a toilet water tank, and a toilet water tank level sensor and a toilet water tank tap water replenishing control valve are arranged in the toilet water tank, wherein the toilet water tank is connected with the control box through signals to determine the amount of clean water in the toilet water tank.
13. The wastewater reclamation improvement apparatus as recited in claim 10 or 12, wherein: further comprises a tap water source switching device connected to the control valve for replenishing tap water in the toilet tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791635.6A CN109078381B (en) | 2018-07-18 | 2018-07-18 | Improved device for recovering waste water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791635.6A CN109078381B (en) | 2018-07-18 | 2018-07-18 | Improved device for recovering waste water |
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| CN109078381A CN109078381A (en) | 2018-12-25 |
| CN109078381B true CN109078381B (en) | 2020-12-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2474602Y (en) * | 2001-01-02 | 2002-01-30 | 张秀红 | Automatic domestic waste water reusing treater |
| KR20090055389A (en) * | 2007-11-28 | 2009-06-02 | 김충현 | Toilet bowl |
| CN101629426A (en) * | 2008-07-20 | 2010-01-20 | 马先伟 | Filtration self-cleaning type clean water sump |
| WO2012068306A2 (en) * | 2010-11-16 | 2012-05-24 | Sloan Valve Company | Water collection and distribution monitoring system and methods |
| CN106906869A (en) * | 2017-03-02 | 2017-06-30 | 中国建筑设计院有限公司 | A kind of side-stand type reclaimed water water storage and treatment for reuse system for toilet |
| CN207507130U (en) * | 2017-11-09 | 2018-06-19 | 云南兆泓环境工程有限公司 | Washing waste water is recycled reutilization system |
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