WO2020039278A1 - Système et procédé de filtration d'eaux grises pour réutilisation dans un établissement - Google Patents

Système et procédé de filtration d'eaux grises pour réutilisation dans un établissement Download PDF

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Publication number
WO2020039278A1
WO2020039278A1 PCT/IB2019/056232 IB2019056232W WO2020039278A1 WO 2020039278 A1 WO2020039278 A1 WO 2020039278A1 IB 2019056232 W IB2019056232 W IB 2019056232W WO 2020039278 A1 WO2020039278 A1 WO 2020039278A1
Authority
WO
WIPO (PCT)
Prior art keywords
greywater
storage unit
overhead
units
remote storage
Prior art date
Application number
PCT/IB2019/056232
Other languages
English (en)
Inventor
Rajendra. S. KHUBA
Rishikesh. R. KHUBA
Sunitha. R. KHUBA
Amritha. R. KHUBA
Original Assignee
Khuba Rajendra S
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Khuba Rajendra S filed Critical Khuba Rajendra S
Publication of WO2020039278A1 publication Critical patent/WO2020039278A1/fr

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Classifications

    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • 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
    • C02F2103/002—Grey water, e.g. from clothes washers, showers or dishwashers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/42—Liquid level
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
    • 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

Definitions

  • the present disclosure generally relates to the field of water filtering and reusing systems and methods. More particularly, the present disclosure relates to a system and method for filtering greywater for reuse in an establishment.
  • An objective of the present disclosure is directed towards the system needs very less maintenance and consumes less power.
  • Another objective of the present disclosure is directed towards the system does not require rigid and expensive plumbing.
  • Another objective of the present disclosure is directed towards the system occupies very less space.
  • the system further comprising one or more first electrical pumps configured to transfer the collected greywater from the one or more greywater collection units into one or more remote storage units via one or more first mesh filters.
  • system further comprising at least one overhead storage unit filled up with the greywater from the one or more remote storage units by the one or more second electrical pumps.
  • the system further comprising at least one toilet tank is filled with greywater by the gravity flow from the at least one overhead storage unit.
  • FIG. 2 is an example block diagram depicting water recycle units and the toilet tank 108 for recycling the greywater, in accordance with one or more exemplary embodiments.
  • FIG. 4 is an example diagram depicting a wash basin with a vanity unit, in accordance with one or more exemplary embodiments.
  • FIG. 5 is an example schematic diagram depicting the overall system for pumping the greywater and reusing the greywater, in accordance with one or more exemplary embodiments.
  • FIG. 1 is a block diagram 100 depicting a system for filtering grey water for reuse in an establishment, in accordance with one or more exemplary embodiments.
  • the establishment having a source of greywater and a facility suited to utilizing the filtered greywater.
  • the establishment may include household, commercial buildings, and the like.
  • the source of greywater comes from household appliances, which may not be limited to, shower, bath, washbasin, dishwasher, kitchen sink, and the like.
  • the system 100 provides the facility to utilize the greywater in a toilet, whilst allowing the users to utilize fresh water service on demand.
  • the system 100 generally includes a greywater collection unit 102, a first mesh filter l04a, a second mesh filter l04b, a remote storage unit 106, a toilet tank 108, a first electrical pump llOa, a second electrical pump l lOb, an overhead storage unit 112, and level sensors 114.
  • the greywater collection unit 102 collects greywater from sources, such as showers, bath tubs, wash basins, sinks, and the rinse cycle of clothes washing machines or dishwashing machines or any other sources.
  • the first mesh filter l04a may be coupled to the greywater collection unit 102 and/or the remote storage unit 106 and the second mesh filter l04b may be coupled to the remote storage unit 106 and/or the overhead storage unit 112.
  • the mesh filters l04a-l04b are configured to ensure the solid particles and other waste does not get inside the greywater collection unit 102 and the remote storage unit 106.
  • the first electrical pump llOa may be configured to operate automatically transfer collected greywater up to a sufficient height for direct filling in the remote storage unit 106 by gravity.
  • the second electrical pump 110b may be configured to transfer the greywater from the remote storage unit 106 into the overhead storage unit 112.
  • the overhead storage unit 112 may include level sensors 114 configured for control and protection of the pump llOa or 11 Ob and a float mechanism to divert the water to drain, in case the overhead storage unit 112 gets filled up.
  • the overhead storage unit 112 may get filled up from the remote storage unit 106 with the logically controlled second electrical pump l lOb.
  • the outflow from the overhead storage unit 112 is automatically by gravitational feed to the toilet tank 108.
  • the toilet tank 108 may be filled with water by the gravity flow from the overhead storage unit 112.
  • the toilet tank 108 may include a toilet handle located thereon, and which is in mechanical connection with a flush handle lever. The toilet handle may be configured to flush the toilet.
  • the greywater collection unit 102, the remote storage unit 106, and overhead storage unit 112 may also be configured to transfer the greywater without using any electrical pump llOa or 110b and all the greywater transferred is effected by using gravitational flow.
  • the remote storage unit 106 is designed in such a way that it may also be connected to other greywater sources (other greywater collection units, for example) coming from washing machine or any other greywater sources available in the near vicinity.
  • FIG. 2 is an example block diagram 200 depicting greywater recycle units and the toilet tank 108, in accordance with one or more exemplary embodiments.
  • the greywater recycle units 202a-202c may be configured to collect the greywater and filter the collected greywater for reuse in the establishment.
  • the greywater recycle units 202a-202c are all independent in their working and their self-logic does not require any feedback or inputs from other units thus giving total flexibility to the user (architect, for e.g.) and the user to place the greywater recycle units 202a- 202c at any location as desired to meet their personal taste and needs.
  • the greywater recycle units 202a-202c may be configured to feed the greywater to the toilet tank 108.
  • the greywater recycle units 202a-202c may include a first greywater collection unit 204a, a second greywater collection unit 204b, a first mesh filter l04a, a second mesh filter l04b, a third mesh filter 206, a first electrical pump llOa, a second electrical pump llOb, a third electrical pump 208, the remote storage unit 106, and the overhead storage unit 112.
  • the first greywater collection unit 204a may be positioned strategically below the shower or in the bathing area (not shown).
  • the second greywater collection unit 204b may be positioned below the kitchen sink (not shown). In another embodiments, the second greywater collection unit 204b may also be attached to the washing machine water out pipe (not shown).
  • the remote storage unit 106 may be positioned strategically below the wash basin (not shown) in the vanity unit (not shown) for collecting the greywater from all the resources, such as, the wash basin (not shown), the first greywater collection unit 204a and the second greywater collection unit 204b.
  • the remote storage unit 106, the grey water collection units 204a, 204b and the overhead storage tank 112 may have provisions to provide the first mesh filter l04a, the second mesh filter l04b, and the third mesh filter 206.
  • the first electrical pump llOa may be configured to operate automatically to transfer the collected greywater up to the sufficient height for direct filling in the remote storage unit 106 by gravity.
  • the third electrical pump 208 may be configured to operate automatically to transfer the collected greywater up to the remote storage unit 106 by the gravitational force.
  • the second electrical pump 110b may be configured to operate automatically to transfer the collected greywater to the overhead storage unit 112 from the remote storage unit 106.
  • the first mesh filter l04a may be coupled to the first greywater collection unit 204a.
  • the second mesh filter l04b may be positioned between one end of remote storage unit 106 and the overhead storage unit 112.
  • the third mesh filter 206 may be coupled to the second greywater collection unit 204b.
  • the first mesh filter l04a, the second mesh filter l04b, and the third mesh filter 206 may be configured to ensure the solid particles and other waste does not get inside the collected water.
  • FIG. 3 is an example diagram 300 depicting the first greywater collection unit 204a at the bathing or the shower area, in accordance with one or more exemplary embodiments.
  • the bathing or the shower area 300 may depict a provision 302, a first covered panel 304, a second covered panel 306, the greywater collection unit 204a, and a base 308.
  • the provision 302 may be configured to fix a shower unit (not shown).
  • the first covered panel 304 having inside the electrical points and water pipes for the fresh water inlet (not shown) to the shower unit (not shown).
  • the first covered panel 304 may also include a discharge point at a height of more than 30 inches for direct feed to the overhead storage unit 112 in the wash basin vanity (not shown).
  • the first covered panel 304 may further include the provision to a grout to the wall.
  • the second covered panel 306 may be configured for covering the fresh water inlet, filter and the electrical pump.
  • the greywater collection unit 204a may be configured with the mesh filter and the level sensors to start the pumping of the collected water automatically.
  • the base 308 may be configured to provide a comfortable standing area for the user to take the bath. The user may able to the bathe by standing on the comfortable area of the base 308 after opening the shower unit (not shown) or the tap.
  • the greywater collection unit 204a may be configured to direct the grey water from the bathing platform into the remote storage unit 106. The collected greywater and let it go to the overhead storage unit 112 in the vanity of wash basin (not shown).
  • FIG. 4 is an example diagram 400 depicting a wash basin with a vanity unit, in accordance with one or more exemplary embodiments.
  • the example diagram 400 further depicting the vanity unit 402 having provisions to fix various taps with water saving nozzle and normal one for regular use (in case more water is required).
  • the vanity unit 402 having inside a fresh water inlet (not shown) to a wash basin 404 may be optionally provided through another shower unit’s base to allow the users to have hot water facility (if required).
  • the vanity unit 402 may include a mirror 406, which may be configured to allow the users to view themselves and also camouflages the overhead storage unit 112 which is strategically designed behind the mirror 406 to store water for at least a single flush use.
  • the vanity unit 402 may further include a two way valve 412 for changing over greywater feed to fresh water feed for the overhead storage unit 112.
  • the vanity unit may also include power connections and fresh water tap inputs inside.
  • the greywater collection unit 204b may include the level sensors and the overhead storage unit 112 may be filled up from the remote storage unit 106 with the logically controlled electrical pump 208b and associated electronics fixed inside the vanity unit 402.
  • the outflow from the overhead storage unit 112 may be automatic and by gravitational feed to the toilet tank 108.
  • the toilet tank 108 automatically gets filled from the overhead storage unit 112. Since the toilet tank 108 has standard internal float valves to control the water inflow from the overhead storage unit 112. If there is no more greywater available, the vanity unit 402 may further be configured to provide a visual indication to the user to change over the fresh water source through the two way valve 412.
  • the vanity unit 402 with the wash basin 404 and the inbuilt overhead storage unit 112 may be an independent unit, which may be located anywhere and may not disturb the overall aesthetics of the user’s room.
  • the overhead storage unit 112 camouflaged behind the mirror 406 to store the greywater for discharge to the toilet tank 108 by gravity.
  • the vanity unit 402 may further include a heater unit 408 configured for providing hot water.
  • the wash basin 404 may include a standard tap 410, the wash basin 404 may also have the provision to another water tap and flosser in place of the standard tap 410.
  • the area below the wash basin 404 may accommodate the remote storage unit 106 for storing the collected greywater, which periodically and automatically gets pumped to the overhead storage unit 112 behind the mirror 406.
  • FIG. 5 is an example schematic diagram 500 depicting the overall system for pumping the greywater and reusing the greywater, in accordance with one or more exemplary embodiments.
  • the example diagram 500 depicting the first unit 502a, the second unit 502b and the third unit 502c.
  • the first unit 502a may depict the overhead shower 504, the user 506, the first electrical pump llOa, and the first greywater collection unit 204a.
  • the second unit 502b may depict the wash basin 404, the remote storage unit 106, the overhead storage unit 112, and the second electrical pump l lOb.
  • the third unit 502c may depict the toilet tank 108.
  • FIG. 6 is a flow chart 600 depicting the method for transferring the filtered greywater into the toilet tank, in accordance with one or more exemplary embodiments.
  • the method 600 may be carried out in the context of the details of FIG. 1, FIG. 2, FIG. 3 FIG. 4, and FIG. 5.
  • the method 600 may also be carried out in any desired environment. Further, the aforementioned definitions may equally apply to the description below.
  • the method 600 commences at step 602 by collecting greywater into the greywater collection unit via the first mesh filter from the bathing area or shower area after opening the overhead shower or opening the standard tap. Thereafter, at step 604, transferring the collected greywater from the greywater collection unit into the remote storage unit by the first electrical pump or by the gravitational force. Thereafter, at step 606, automatically transferring the collected greywater from the remote storage unit into the overhead storage unit via the second mesh filter by the second electrical pump or by the gravitational flow. Thereafter, at step 608, filling the toilet tank with the greywater by the gravitational flow from the overhead storage unit. Thereafter, at step 610, determining whether the greywater storage gets empty in the toilet tank in case of non-availability of the greywater.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Residential Or Office Buildings (AREA)

Abstract

Des modes de réalisation donnés à titre d'exemple de la présente invention concernent un système et un procédé de filtration d'eaux grises pour réutilisation dans un établissement ayant une source d'eau grise et une installation adaptée à l'utilisation des eaux grises. Le système comprend : une ou plusieurs unités de collecte d'eaux grises (102) configurées pour collecter les eaux grises provenant d'une ou de plusieurs sources d'eaux grises, une ou plusieurs premières pompes électriques (110a) configurées pour transférer les eaux grises collectées d'une ou plusieurs unités de collecte d'eaux grises (102) dans une ou plusieurs unités de stockage distantes (106), par l'intermédiaire d'un ou de plusieurs premiers filtres à tamis (104a), au moins une unité de stockage supérieure (112) remplie avec les eaux grises provenant de ou des unités de stockage distantes (106) par la ou les secondes pompes électriques (110b). Le système, comprenant en outre au moins un réservoir de toilettes (108), est rempli d'eaux grises grâce à l'écoulement gravitaire provenant d'au moins une des unités de stockage supérieures (112).
PCT/IB2019/056232 2018-08-20 2019-07-22 Système et procédé de filtration d'eaux grises pour réutilisation dans un établissement WO2020039278A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201841031140 2018-08-20
IN201841031140 2018-08-20

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WO2020039278A1 true WO2020039278A1 (fr) 2020-02-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210404152A1 (en) * 2020-06-30 2021-12-30 Kohler Co. Recycled water system
US12071747B2 (en) 2020-06-30 2024-08-27 Kohler (China) Investment Co., Ltd. System and method for recovering and reusing graywater

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012068306A2 (fr) * 2010-11-16 2012-05-24 Sloan Valve Company Système et procédés de surveillance de la distribution et de la collecte d'eau
CN106436817A (zh) * 2016-09-30 2017-02-22 于月洋 一种大容量生活用水节水储水装置
CN107012912A (zh) * 2017-04-21 2017-08-04 宁夏大学 家庭洗涤用水循环利用装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012068306A2 (fr) * 2010-11-16 2012-05-24 Sloan Valve Company Système et procédés de surveillance de la distribution et de la collecte d'eau
CN106436817A (zh) * 2016-09-30 2017-02-22 于月洋 一种大容量生活用水节水储水装置
CN107012912A (zh) * 2017-04-21 2017-08-04 宁夏大学 家庭洗涤用水循环利用装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210404152A1 (en) * 2020-06-30 2021-12-30 Kohler Co. Recycled water system
CN113863425A (zh) * 2020-06-30 2021-12-31 科勒公司 循环水系统
US12071747B2 (en) 2020-06-30 2024-08-27 Kohler (China) Investment Co., Ltd. System and method for recovering and reusing graywater

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