CN113636612B - Bathing wastewater treatment system and control method thereof - Google Patents
Bathing wastewater treatment system and control method thereof Download PDFInfo
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- CN113636612B CN113636612B CN202110926618.0A CN202110926618A CN113636612B CN 113636612 B CN113636612 B CN 113636612B CN 202110926618 A CN202110926618 A CN 202110926618A CN 113636612 B CN113636612 B CN 113636612B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- 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
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- 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
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- 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
- E03C1/122—Pipe-line systems for waste water in building
-
- 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
- E03C1/122—Pipe-line systems for waste water in building
- E03C1/1222—Arrangements of devices in domestic waste water pipe-line systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0407—Floor drains for indoor use
- E03F5/0408—Floor drains for indoor use specially adapted for showers
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/42—Nature of the water, waste water, sewage or sludge to be treated from bathing facilities, e.g. swimming pools
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C2201/00—Details, devices or methods not otherwise provided for
- E03C2201/40—Arrangement of water treatment devices in domestic plumbing installations
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/20—Measuring flow in sewer systems
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- 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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Bathtub Accessories (AREA)
Abstract
The invention relates to the technical field of waste water recycling and discloses a bathing waste water treatment system and a control method thereof, wherein the bathing waste water treatment system comprises a water collecting structure, the water collecting structure comprises a light sewage water collecting port, a sewage water collecting port and a sensing mechanism, the sensing mechanism is used for detecting whether a bathing position is occupied or not, the sensing mechanism is electrically connected with the light sewage water collecting port and a first valve in the sewage water collecting port, the light sewage water collecting port is connected with an outer water supply pipe of a first water storage device through a second valve, a flowmeter is arranged on the outer water supply pipe and is electrically connected with the second valve, the sewage water collecting port is connected with a sewage treatment device, the sewage treatment device is connected with the water storage device, the classified collection of water with different pollution degrees is realized, the treatment efficiency of reclaimed water is improved, and the reclaimed water reaches a usable index by mixing the water with lighter pollution degrees for dilution during use, and the treatment cost of the reclaimed water is further improved.
Description
Technical Field
The invention relates to the technical field of wastewater recycling, in particular to a bath wastewater treatment system and a control method thereof.
Background
The bath waste water is used as water source, and after proper treatment, the waste water is used as impurity water, and the water quality index is between the upper water and the lower water, which is called reclaimed water, and the corresponding technology is called reclaimed water technology. The treated reclaimed water can be used for toilet flushing, garden irrigation, road cleaning and the like. For the lack of fresh water resources, the urban water supply is seriously insufficient in water shortage areas, the water supply technology is adopted, the water source can be saved, sewage can be harmless, the method is an important way for preventing and treating water pollution, particularly in large public bathrooms, the water consumption is large, the method has practical significance for recycling waste water, the recycling of bathroom waste water is generally uniform recycling treatment at the present stage, in the actual bathing process, before the bathing and in the bathing process, bathing staff can wait for the conditions of water heating, adjusting the water temperature, taking articles and the like for some reasons, at the moment, the shower head continuously discharges water, but the sprayed water is not used at the moment, if the water and the sewage are uniformly treated, the recycling efficiency of the waste water is reduced, and meanwhile, the energy is wasted.
Disclosure of Invention
The invention aims to provide a bathing wastewater treatment system and a control method thereof, which are used for solving the problem that the bathing wastewater is difficult to classify and treat in the prior art.
The invention is realized by the following technical scheme.
The invention discloses a bathing wastewater treatment system, which comprises a water collecting structure, wherein the water collecting structure comprises a light sewage water collecting port, a sewage water collecting port and an induction mechanism, the induction mechanism is used for detecting whether a bathing position is occupied or not, the induction mechanism is electrically connected with first valves in the light sewage water collecting port and the sewage water collecting port, the light sewage water collecting port is connected with an outer water supply pipe of a first water storage device through a second valve, a flowmeter is arranged on the outer water supply pipe, the flowmeter is electrically connected with the second valve, the sewage water collecting port is connected with a sewage treatment device, and the sewage treatment device is connected with the first water storage device.
Further, the sewage water collecting port is connected with the flow dividing mechanism, the water collecting structure further comprises a temperature detecting mechanism, the temperature detecting mechanism is electrically connected with the flow dividing mechanism, the sewage water collecting port is connected with a first hot water pipe and a first cold water pipe through the flow dividing mechanism, the first cold water pipe is connected with the sewage treatment device, and the first hot water pipe is connected with the sewage treatment device after passing through a heat exchange device at the water inlet pipe of the water tank.
Further, the light sewage water collecting port is also connected with a flow dividing mechanism, the light sewage water collecting port is connected with a second hot water pipe and a second cold water pipe through the flow dividing mechanism, the second cold water pipe is connected with the outer water supply pipe, the second valve is arranged on the second cold water pipe, and the second hot water pipe is connected with the second cold water pipe after passing through the heat exchange device.
Further, the light sewage water collecting port is connected with a second water storage device, and the second water storage device is connected with an external water supply pipe through a second valve.
Further, the rain water collecting device is connected with the second water storage device and comprises a rain sensor and an electric shielding roller shutter, and the rain sensor is electrically connected with the electric shielding roller shutter.
Further, the water collecting structure further comprises a grate plate arranged on the ground of the bathroom, and the light sewage collecting port and the sewage collecting port are arranged on the lower side of the grate plate.
Further, the sensing mechanism comprises a pressure sensor arranged on the grate plate, and the pressure sensor is electrically connected with the first valve.
Further, the sensing mechanism comprises an infrared sensor arranged at the bathing position, and the infrared sensor is electrically connected with the first valve.
Further, the light sewage water collecting port and the sewage water collecting port are respectively provided with a filter screen.
A control method of a bath wastewater treatment system detects whether a person exists in a bath position, if the person exists in the bath position, a sewage water collecting port is opened, if the person does not exist in the bath position and the duration time is longer than the set time, the sewage water collecting port is closed, a light sewage water collecting port is opened, reclaimed water treatment is carried out on water collected by the sewage water collecting port, and when the reclaimed water obtained after treatment is used, the water collected by the light sewage water collecting port and the treated reclaimed water are discharged and used simultaneously according to a set proportion.
The invention has the beneficial effects that:
through the arrangement of the light sewage water collecting port and the sewage water collecting port, the water with different pollution degrees is collected in a classifying mode, and only the water with heavier pollution degrees is treated, so that the problem that a water treatment system cannot conduct classified treatment on the water in the present stage is solved, the water treatment efficiency is improved, when the water is used, the second valve adjusts the opening and closing amplitude according to the flow value detected by the flow meter, the cleaner water collected at the light sewage water collecting port dilutes the treated water in proportion according to the flow value detected by the flow meter, the index can be properly reduced when the water is treated, and when the water is used, the index can be reached by diluting the water with lighter pollution degrees, and the treatment cost of the water treatment efficiency is further improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall construction of a bath wastewater treatment system of the present invention;
FIG. 2 is a schematic structural view of a water collecting structure;
fig. 3 is a schematic top view of the grate plate.
Detailed Description
The invention is described in detail below in connection with fig. 1-3.
The invention relates to a bath wastewater treatment system and a control method thereof, the bath wastewater treatment system comprises a water collecting structure 1 arranged in a bathroom, wherein the water collecting structure 1 comprises a light sewage water collecting port 2, a sewage water collecting port 3 and an induction mechanism, the light sewage water collecting port 2 is used for collecting water with lighter pollution, the sewage water collecting port 3 is used for collecting water with heavier pollution, the induction mechanism is used for detecting whether a bath position is a spraying area of a shower nozzle, the bath position is generally a shower nozzle, the induction mechanism is electrically connected with the light sewage water collecting port 2 and a first valve 12 in the sewage water collecting port 3, if the induction mechanism detects that the bath position is not a person, the light sewage water collecting port 2 is opened, the detected bath position is opened, the light sewage water collecting port 2 is connected with an external water supply pipe 8 of a first water storage device 7 through a second valve 221, a flowmeter 71 is arranged on the external water supply pipe 8, the flowmeter 71 is electrically connected with the second valve 221, the sewage water collecting port 3 is connected with a sewage treatment device 6, and the sewage treatment device 6 is connected with the first water storage device 7.
When the sensing mechanism detects that a person is at a bathing position during bathing, at the moment, the light sewage water collecting port 2 is closed, the sewage water collecting port 3 is opened, water collected by the sewage water collecting port 3 enters the sewage treatment device 6, and the following process is carried out in the sewage treatment device 6: raw water, a grid, an adjusting tank, physical and chemical treatment, disinfection and intermediate water, wherein the obtained intermediate water enters a first water storage device 7 for temporary storage, a shower head continuously discharges water when a user waits for water to heat, adjusts water temperature, takes articles and the like, but the pollution degree of the water is light, a light sewage water collecting port 2 is opened for collection after an induction mechanism detects that the time for the user to leave a bath position exceeds a set value, and the aim of delaying the opening of the light sewage water collecting port 2 is to prevent residual pollutants such as various chemical articles used in bath from flowing into the light sewage water collecting port 2; when the reclaimed water is used, the reclaimed water in the first water storage device 7 is discharged through the outer water supply pipe 8, the flowmeter 71 detects the outflow of the treated reclaimed water in the outer water supply pipe 8, the second valve 221 adjusts the opening and closing amplitude according to the flow value detected by the flowmeter 71, so that cleaner water collected at the light sewage collecting port 2 is mixed into the treated reclaimed water in proportion, the problem that the reclaimed water treatment system cannot classify the water in the prior art is solved, the reclaimed water treatment efficiency is improved, meanwhile, when the reclaimed water is used, the method of diluting the water with different pollution degrees in proportion is adopted, the index can be properly reduced when the reclaimed water is treated, and when the reclaimed water is used, the index can be reached by mixing the water with lighter pollution degrees into the reclaimed water for dilution, and the treatment cost of the reclaimed water treatment efficiency is further improved.
Preferably, the sewage collecting port 3 is connected with the diversion mechanism 13, the diversion mechanism 13 is a three-way valve, the water collecting structure 1 further comprises a temperature detection mechanism 14, the temperature detection mechanism 14 is electrically connected with the diversion mechanism 13, the sewage collecting port 3 is connected with the first hot water pipe 31 and the first cold water pipe 32 through the diversion mechanism 13, the first cold water pipe 32 is connected with the sewage treatment device 6, and the first hot water pipe 31 is connected with the sewage treatment device 6 after passing through the heat exchange device 5 at the water inlet pipe of the water tank 4.
Preferably, the light sewage water collecting port 2 is also connected with a diversion mechanism 13, the light sewage water collecting port 2 is connected with a second hot water pipe 21 and a second cold water pipe 22 through the diversion mechanism 13, the second cold water pipe 22 is connected with the external water supply pipe 8, a second valve 221 is installed on the second cold water pipe 22, and the second hot water pipe 21 is connected with the second cold water pipe 22 after passing through the heat exchange device 5.
The temperature detection mechanism 14 detects the temperature of the water flow, when the average temperature of the water flow in the set time period is higher than the set temperature, the water flow enters the heat exchange device through the hot water pipe, and the heat exchange device can enable the heat exchange pipe group to heat the water entering the water tank, so that waste heat utilization is realized.
Preferably, the light sewage water collecting port 2 is connected with the second water storage device 50, the second water storage device 50 is connected with the external water supply pipe 8 through the second valve 221, the second water storage device 50 is utilized to temporarily store the water with lighter pollution degree, and the second hot water pipe 21 can also be connected with the second water storage device 50 after passing through the heat exchange device 5.
Preferably, the rainwater collecting device 60 is connected with the second water storage device 50, a source of water with lighter pollution degree is increased, the rainwater collecting device 60 comprises a rainfall sensor and an electric shielding roller shutter, when the rainfall sensor detects that the rainfall reaches a set value, an opening instruction is sent to the electric shielding roller shutter to collect rainwater, and when the rainwater is not collected, the electric shielding roller shutter is in a closed state, so that animal entering and water vapor evaporation are avoided.
Preferably, the water collecting structure 1 further comprises a grate plate 9 arranged on the ground of the bathroom, the light sewage collecting port 2 and the sewage collecting port 3 are arranged on the lower side of the grate plate 9, and the grate plate 9 plays a role in primary filtration.
Preferably, the sensing means comprise a pressure sensor 10 mounted on the grate plate 9, the pressure sensor 10 being electrically connected to a first valve 12.
Preferably, the sensing mechanism includes an infrared sensor mounted in the bathing position, the infrared sensor being electrically connected to the first valve 12.
Preferably, the light sewage water collecting port 2 and the sewage water collecting port 3 are respectively provided with a filter screen, so that the effect of further filtering is achieved.
Preferably, the water pump 90 is arranged on the outer water supply pipe 8, the outer water supply pipe 8 is connected with the rainwater collecting device 60 and the second water storage device 50 through the water pump 90, after the rainwater collecting device 60 and the second water storage device 50 are used for a period of time, more sediment exists inside, at the moment, the water pump 90 is started to supply water to the rainwater collecting device 60 and the second water storage device 50 to flush the sediment, so that the influence of excessive sediment in the rainwater collecting device 60 and the second water storage device 50 on the normal operation of the system and the secondary pollution to the water are avoided.
A control method of a bath wastewater treatment system detects whether a person exists in a bath position, if the person exists in the bath position, a sewage water collecting port is opened, if the person does not exist in the bath position and the duration time is longer than the set time, the sewage water collecting port is closed, a light sewage water collecting port is opened, reclaimed water treatment is carried out on water collected by the sewage water collecting port, and when the reclaimed water obtained after treatment is used, the water collected by the light sewage water collecting port and the treated reclaimed water are discharged and used simultaneously according to a set proportion.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (9)
1. A bathing wastewater treatment system is characterized in that: the water collecting structure (1) comprises a light sewage collecting port (2), a sewage collecting port (3) and an induction mechanism, wherein the induction mechanism is used for detecting whether a bathing position is occupied or not, the induction mechanism is electrically connected with a first valve (12) in the light sewage collecting port (2) and the sewage collecting port (3), the light sewage collecting port (2) is connected with an outer water supply pipe (8) of a first water storage device (7) through a second valve (221), a flowmeter (71) is arranged on the outer water supply pipe (8), the flowmeter (71) is electrically connected with the second valve (221), the sewage collecting port (3) is connected with a sewage treatment device (6), the sewage treatment device (6) is connected with the first water storage device (7), the induction mechanism is used for detecting whether the bathing position is occupied or not, if the bathing position is occupied, the sewage collecting port is opened, if the bathing position is unoccupied and the duration is longer than the set time, the water collecting port is closed, the light sewage collecting port is opened, the water collecting port is processed, the sewage collecting port is processed, and the water is processed at the same time after the water collecting water is processed and the sewage collecting port is used, and the sewage collecting water is processed according to set proportion when the water is used; the sewage water collecting port (3) is connected with the flow dividing mechanism (13), the water collecting structure (1) is further provided with the temperature detecting mechanism (14), the temperature detecting mechanism (14) is electrically connected with the flow dividing mechanism (13), the sewage water collecting port (3) is connected with the first hot water pipe (31) and the first cold water pipe (32) through the flow dividing mechanism (13), the first cold water pipe (32) is connected with the sewage treatment device (6), and the first hot water pipe (31) is connected with the sewage treatment device (6) after passing through the heat exchanging device (5) at the water inlet pipe of the water tank (4).
2. A bath wastewater treatment system according to claim 1, wherein: the light sewage water collecting port (2) is also connected with a diversion mechanism (13), the light sewage water collecting port (2) is connected with a second hot water pipe (21) and a second cold water pipe (22) through the diversion mechanism (13), the second cold water pipe (22) is connected with the outer water supply pipe (8), a second valve (221) is arranged on the second cold water pipe (22), and the second hot water pipe (21) is connected with the second cold water pipe (22) after passing through the heat exchange device (5).
3. A bath wastewater treatment system according to claim 1 or 2, characterized in that: the light sewage collecting port (2) is connected with a second water storage device (50), and the second water storage device (50) is connected with an external water supply pipe (8) through a second valve (221).
4. A bath wastewater treatment system according to claim 3, wherein: the rain water collecting device (60) is connected with the second water storage device (50), the rain water collecting device (60) comprises a rain sensor and an electric shielding roller shutter, and the rain sensor is electrically connected with the electric shielding roller shutter.
5. A bath wastewater treatment system according to any one of claims 1, 2, 4, wherein: the water collecting structure (1) further comprises a grate plate (9) arranged on the ground of the bathroom, and the light sewage collecting port (2) and the sewage collecting port (3) are arranged on the lower side of the grate plate (9).
6. A bath wastewater treatment system as claimed in claim 5, wherein: the sensing mechanism comprises a pressure sensor (10) arranged on the grate plate (9).
7. A bath wastewater treatment system as claimed in claim 6, wherein: the sensing mechanism comprises an infrared sensor arranged at the bathing position.
8. A bath wastewater treatment system according to any one of claims 1, 2, 4, 6, 7, wherein: the light sewage water collecting port (2) and the sewage water collecting port (3) are respectively provided with a filter screen.
9. A control method applied to the bath wastewater treatment system as claimed in any one of claims 1 to 8, characterized in that: detecting whether a person exists in a bath position, if the person exists, opening a sewage water collecting port, if the person exists in the bath position, and after the duration time is longer than the set time, closing the sewage water collecting port, opening a light sewage water collecting port, and performing reclaimed water treatment on water collected by the sewage water collecting port, wherein when the reclaimed water obtained after treatment is used, the water collected by the light sewage water collecting port and the treated reclaimed water are discharged for use at the same time according to a set proportion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110926618.0A CN113636612B (en) | 2021-08-12 | 2021-08-12 | Bathing wastewater treatment system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110926618.0A CN113636612B (en) | 2021-08-12 | 2021-08-12 | Bathing wastewater treatment system and control method thereof |
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| Publication Number | Publication Date |
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| CN113636612A CN113636612A (en) | 2021-11-12 |
| CN113636612B true CN113636612B (en) | 2023-05-26 |
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| CN202110926618.0A Active CN113636612B (en) | 2021-08-12 | 2021-08-12 | Bathing wastewater treatment system and control method thereof |
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| CN114938547A (en) * | 2022-05-24 | 2022-08-23 | 皖江工学院 | Automatic household sewage reuse device and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201932979U (en) * | 2010-03-23 | 2011-08-17 | 刘思经 | Water saving device for classification treatment of domestic wastewater |
| CN102926440A (en) * | 2012-11-19 | 2013-02-13 | 上海电力学院 | Water circulation system of residential building |
| CN204510339U (en) * | 2015-03-13 | 2015-07-29 | 山东科技大学 | The Non-energy-consumption of a kind of bath wastewater and rainwater utilizes system |
| CN104843890B (en) * | 2015-05-13 | 2017-05-31 | 乔世琴 | Terminal high-quality sanitary sewage multichannel is collected and automatically processes the method that region recycles on the spot |
| US10066372B2 (en) * | 2015-11-16 | 2018-09-04 | Ricardo CHICUREL | Economizer system and method for saving heat and water |
| CN108343119A (en) * | 2018-04-20 | 2018-07-31 | 苏州市职业大学 | A kind of bathroom intelligent water-saving system |
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