FI130298B - Water quality improvement device and method for improving water quality - Google Patents

Water quality improvement device and method for improving water quality Download PDF

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Publication number
FI130298B
FI130298B FI20225071A FI20225071A FI130298B FI 130298 B FI130298 B FI 130298B FI 20225071 A FI20225071 A FI 20225071A FI 20225071 A FI20225071 A FI 20225071A FI 130298 B FI130298 B FI 130298B
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Finland
Prior art keywords
water
improvement device
quality improvement
water quality
spray hole
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FI20225071A
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Finnish (fi)
Swedish (sv)
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FI20225071A1 (en
Inventor
Raimo Kauppila
Arttu Kauppila
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Raimo Kauppila
Arttu Kauppila
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Priority to FI20225071A priority Critical patent/FI130298B/en
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Publication of FI20225071A1 publication Critical patent/FI20225071A1/en
Publication of FI130298B publication Critical patent/FI130298B/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/06Methods or installations for obtaining or collecting drinking water or tap water from underground
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/20Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/34Arrangements for separating materials produced by the well
    • E21B43/38Arrangements for separating materials produced by the well in the well

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nozzles (AREA)

Abstract

Disclosed is water quality improvement device (102) configured to be installed in a water supply system (104). The water supply system comprises a water pump (106) for providing water from a drilled well (108) to an outlet (110) via the water quality improvement device. The water quality improvement device comprises a double nipple fitting (202) with a spray hole (204). The water received from the water pump is sprayed through the spray hole into air space (112) of the drilled well and wherein upon spraying, impurities dissolved in the water are released in the air space.

Description

WATER QUALITY IMPROVEMENT DEVICE AND METHOD FOR IMPROVING
WATER QUALITY
TECHNICAL FIELD
The present disclosure relates generally to water quality improvement devices; and more specifically, to water quality improvement devices configured to be installed in water supply systems.
BACKGROUND
Water wells are excavations in the ground for the purpose of obtaining or gaining access to groundwater. Furthermore, water wells are typically created by drilling or digging until a satisfactory amount and quality of groundwater is found. Notably, a well wall and lining are often used to reduce groundwater contamination and increase the structural stability of a well. Additionally, the groundwater is typically extracted by an electrical pump. Moreover, water wells vary in capacity, depth, and water quality, and can provide a local supply of drinking water if treated properly.
Notably, well water typically contains other constituents; some of which 0 may be unpleasant even when they do not occur in dangerous or harmful
S 20 concentrations. For instance, sulphides, usually in the form of hydrogen 8 sulphide, can occur in well water supplies. Furthermore, the origin of such > sulphides may be from anaerobic decay of organic matter, or it may occur
E: at the edge of sandstone or shale formations. In any event, sulphides ~ may be ejected from well water as a gas and are highly offensive given = 25 the typically rotten egg smell that is generated by their emission. Notably,
N the impurities present in the water in the form of dissolved gases may be removed by bringing the water in contact with air. Such a process of bringing the water in contact with air is performed by aeration.
Typically, water aerators are used for removal of such impurities and comprise individual units which stand alone and are separate from the pump and delivery system of existing water systems. Additionally, the main problem with conventional water aerators is the cost factor required in their set up. Moreover, another problem with conventional water aerators is the amount of property that is required to install the reservoir or tower.
Notably, there are several different devices and methods available for aeration of domestic water. Additionally, when using known technology for impurities removal, the problem is that the aerator must be placed in a separate building in a technical room with drainage. Moreover, the aerator must not be in a residential building, because radon is a radiating isotope that causes health damage.
US4582610A discloses a well water aeration system to remove volatile contaminants from well water. The system comprises a spray conduit with spray holes for spraying, aerating, and recirculating a fractional portion of the well water. It further discloses that an air pocket formed is expelled later through the respective spray holes at the top of the spray conduit voiding the contaminant-laden air and preventing such air from entering a building through water supply.
N US4478765A discloses an apparatus for aerating well water. A liguid is
N mixed with a gas such as air in such proportion that the gas acts on = dissolved impurities in the liguid to cause them to leave the solution as ? gases or to precipitate out so that they can be removed from the liquid
E 25 by simple filtration.
S
S US5104554A relates to degassing well water by displacing offensive a gases by treatment with a stream of compressed air.
US4543186A discloses an apparatus which continuously draws a small quantity of water from the high-pressure side of the system, polarizes the water with a magnetic unit, and then aerates this by-pass water and returns the aerated by-pass water to the surface of the water in the well.
Therefore, in light of the foregoing discussion, there exists a need to overcome the aforementioned drawbacks associated with conventional methods of removing impurities from water.
SUMMARY
The present disclosure seeks to provide a water quality improvement device. The present disclosure also seeks to provide a method of improving quality of water using a water quality improvement device. An aim of the present disclosure is to provide a solution that overcomes at least partially the problems encountered in prior art.
In one aspect, the present disclosure provides a water quality improvement device configured to be installed in a water supply system, wherein the water supply system comprises a water pump for providing water from a drilled well to an outlet via the water guality improvement device, the water guality improvement device comprising a double nipple fitting with a spray hole configured to receive water from & 20 the water pump and spray the water received through the spray hole into
N the air space of the drilled well, wherein upon spraying, impurities = dissolved in the water are released in the air space, and the spray hole is
I arranged at an angle of 30 degrees to 150 degrees relative to a centre : axis of the drilled well.
S a 25 In another aspect, the present disclosure provides a method of improving quality of water using the aforementioned water quality improvement device, wherein the method comprises
- receiving water to the spray hole, and spraying the received water out of the spray hole into an air space of a drilled well, wherein upon spraying, impurities dissolved in the water are released in the air space.
Embodiments of the present disclosure substantially eliminate or at least partially address the aforementioned problems in the prior art and enable water quality improvement devices that do not require a separate technical room, electricity or drainage. Beneficially, the present disclosure is installed directly in a drilled well and requires no tank.
Additional aspects, advantages, features, and objects of the present disclosure would be made apparent from the drawings and the detailed description of the illustrative embodiments construed in conjunction with the appended claims that follow.
It will be appreciated that features of the present disclosure are susceptible to being combined in various combinations without departing from the scope of the present disclosure as defined by the appended claims.
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BRIEF DESCRIPTION OF THE DRAWINGS
The summary above, as well as the following detailed description of illustrative embodiments, is better understood when read in conjunction with the appended drawings. For the purpose of illustrating the present 5 disclosure, exemplary constructions of the disclosure are shown in the drawings. However, the present disclosure is not limited to specific methods and instrumentalities disclosed herein. Moreover, those skilled in the art will understand that the drawings are not to scale. Wherever possible, like elements have been indicated by identical numbers.
Embodiments of the present disclosure will now be described, by way of example only, with reference to the following diagrams wherein:
FIG. 1 is an illustration of an environment in which a water quality improvement device installed in a water supply system is implemented, in accordance with an embodiment of the present disclosure;
FIGs. 2A and 2B are illustrations of a water quality improvement device, in accordance with an embodiment of the present disclosure;
FIG. 3 is an illustration of an operation of the water quality improvement device in a drilled well, in accordance with an embodiment of the n 20 present disclosure;
IN
O
N FIG. 4 is an illustration of water guality improvement arrangement 0) <Q comprising a water quality improvement device and an air pipe, in
O
O accordance with an embodiment of the present disclosure; and
I jami * FIG. 5 illustrates steps of improving guality of water using a water guality
S 25 improvement device, in accordance with an embodiment of the
N present disclosure.
N
In the accompanying drawings, an underlined number is employed to represent an item over which the underlined number is positioned or an item to which the underlined number is adjacent. A non-underlined number relates to an item identified by a line linking the non-underlined number to the item. When a number is non-underlined and accompanied by an associated arrow, the non-underlined number is used to identify a general item at which the arrow is pointing.
DETAILED DESCRIPTION OF EMBODIMENTS
The following detailed description illustrates embodiments of the present disclosure and ways in which they can be implemented. Although some modes of carrying out the present disclosure have been disclosed, those skilled in the art would recognize that other embodiments for carrying out or practising the present disclosure are also possible.
In one aspect, the present disclosure provides a water quality improvement device configured to be installed in a water supply system, wherein the water supply system comprises a water pump for providing water from a drilled well to an outlet via the water quality improvement device, the water quality improvement device comprising a double nipple fitting with a spray hole configured to receive water from the water pump and spray the water received through the spray hole into the air space of the drilled well, wherein upon spraying, impurities
N 20 dissolved in the water are released in the air space.
N
& & In another aspect, the present disclosure provides a method of improving = guality of water using a water guality improvement device of any of the : claims 1 to 7, wherein the method comprises ~ - receiving water to a spray hole, and spraying the received water out of = 25 the spray hole into the air space of the drilled well, wherein upon
N spraying, impurities dissolved in the water are released in the air space.
The present disclosure aims to provide a water quality improvement device and a method of improving quality of water using the water quality improvement device. Notably, the water quality improvement device of the present disclosure does not require a separate technical room, electricity, or drainage. Moreover, the water quality improvement device is installed directly in a drilled well and requires no additional tank.
Furthermore, the present disclosure provides a means for ventilation to circulate contaminated air out of the drilled well.
Pursuant to embodiments of the present disclosure, the water quality improvement device and the method provided herein are configured to be installed in a water supply system, wherein the water supply system comprises a water pump and a water supply piping, consisting of one or more pipes, in connection to the water pump for providing water from a drilled well to an outlet via the water quality improvement device.
Notably, the water pump is connected to the outlet via water pipes.
Additionally, the water is pumped to the outlet by the water pump via the water pipes. Moreover, the water quality improvement device is attached to the water pipes in the drilled well such that the water quality improvement device is in between the outlet and the water pump.
Notably, the water pump is connected to one end of the pipes in such a way that it is below the water level of the drilled well. Furthermore, the cn water guality improvement device starts to operate whenever the water
N pump is running. Optionally, the water pump may be turned on by turning
S on the outlet. Herein, ”outlet” refers to any opening above the ground for & 25 the discharge of water from the drilled well by the water pump via the
E water pipes. Additionally, an outlet may be a water tap, an inlet of a water
S storage tank, and the like.
N
S The water guality improvement device comprises a double nipple fitting with a spray hole, wherein water received from the water pump is sprayed through the spray hole into air space of the drilled well and wherein upon spraying, impurities dissolved in the water are released in the air space.
Herein, the term "double nipple fitting" refers to a short piece of pipe with a (middle) collar like structure and threads on both sides. A double nipple fitting, as referred above, has two opposite end portions and a middle portion which is disposed between the end portions. The spray hole is arranged in the middle portion and configured to receive water from the water pump through one or more water pipes and spray the water received through the spray hole into the air space of the drilled well. The spray hole may be, for example, a drilled straight hole in the middle portion of the double nipple fitting and designed so that the spray hole extends from the outer surface of the double nipple fitting to its inner surface, i.e., between an inlet of the spray hole and an outlet of the spray hole. The inside diameter of the spray hole, between the inlet and outlet, can be the same throughout. In some cases, it may be possible to shape the spray hole so that its inside diameter varies along its length. The shaping of the inside diameter can be used to influence the spray pressure, the shape of the water droplets and the size of the water droplets. The inside diameter of the spray hole can be, for example, cylindrical or conical in shape. The spray hole is integral part of the double nipple fitting. In some cases, it may be possible to form the spray hole as nozzle-like part, a separate part, which may be attached to the double nipple fitting when used, separately. In this case, the double nipple fitting
S may have, for example, threads dimensioned to receive the threads of a se separate spray hole nozzle for attachment to the double nipple fitting.
EO 25 The double nipple fitting may be made from materials such as brass,
E: stainless steel, nickel-plated brass, cast iron, and the like. Herein, the
S term “impurities” refers to any harmful gases and door that exist in a dissolved state in the water in the drilled well. Additionally, the impurities
N may be hydrogen sulphide, radon, bad door, and so forth. Notably, the drilled well is filled with water to a certain level and the rest of the space is air space. Moreover, the water level of the drilled well depends on the ground water present in the area, the season of the year and so forth.
Furthermore, the increase in ground water means an increase in the water level of the drilled well. Consequently, the drilled well has a decrease in water level in the summer season as compared to the rainy season. Herein, the double nipple fitting has small holes arranged on the sides. Additionally, the water quality improvement device is fully mechanical, and its operation is based on spraying of water through the spray holes of the double nipple fitting. Notably, when the water pump is running, it creates enough pressure inside of the water pipes and the water quality improvement device. Moreover, the water quality improvement device sprays out part of the water in the water pipe through the spray holes of the double nipple fitting. Furthermore, droplets are formed as the water is sprayed out of the double nipple fitting into the air space of the drilled well. Notably, the spraying of water converts the dissolved impurities into gases which in turn get mixed with the air in the air space of the drilled well. Thereafter, the clean water droplets settle down in the drilled well.
Optionally, the double nipple fitting is provided with a collar. Herein, collar refers to the middle part of the double nipple fitting. Beneficially, the collar may be used to grab the double nipple fitting while tightening.
Additionally, the collar may be in the shape of a hexagon such that a © wrench can be used to tighten the fitting. Notably, a double nipple fitting
N may or may not have a collar. 0)
S Optionally, the spray hole is positioned proximate to the collar of the r 25 double nipple fitting. Herein, proximate refers to very close or near to the s collar. Notably, the spray hole is located near the collar of the double 5 nipple fitting. Additionally, the collar is in between the two threaded ends
N of the double nipple fitting.
N
Optionally, the spray hole is positioned between the end portion and the collar. Notably, the spray hole is located in between one of the ends and the collar of the double nipple fitting. Beneficially, such an arrangement reduces the chance of clogging of the spray hole.
Optionally, a diameter of the spray hole in the double nipple fitting is in a range of 2 millimetres to 4 millimetres. Notably, the diameter of the hole contributes significantly to water droplet formation, which in turn affects the transfer impurities from the water to the air space. In an embodiment, the impurities in the water of the drilled well may be best transferred to the air space when the diameter of the spray hole is 2.8 mm. Furthermore, the spray hole of diameter in a size range of 2 millimetre to 4 millimetre does not clog easily. In an example the diameter of the spray hole may be from 2.0, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9 millimetre up to 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4.0 millimetre. Notably, the diameter of the spray hole has been selected to ensure robust and reliable working of the water guality improvement device. In particular, with a diameter of less than 2 millimetres, the spray hole may become increasingly clogged during use.
According to practical tests, a spray hole diameter greater than 2 millimetres but not more than 4 millimetres is ideal to achieve desired water guality improving effect. As the diameter of the spray hole increases to more than 4 millimetres, the size of the water droplets © passing through the spray hole increases and finally as the diameter of
N the spray hole continues to increase, water no longer comes out of the 3 spray hole like water mist, as desired, deteriorating water quality
EO 25 improving effect of the water quality improvement device. It will be
E: appreciated that if water is sprayed from the spray hole in a continuous
S water stream, not as a water mist, the water amount returns to the a bottom of the well faster than if the water is sprayed as water mist, and i the impurities dissolved in the water do not have time be in contact with air and to release in the same way they release from the water mist, as water mist typically stays in the air space longer time than continuous water stream.
The spray hole in the double nipple fitting of the water quality improvement device is drilled at an angle in a range of 30 degrees to 150 degrees relative to the centre axis of the drilled well. Notably, the spray hole in the double nipple fitting is preferably drilled using a driller.
Additionally, the drilling of the hole is performed at an angle of 30 degrees to 150 degrees in order to spread the droplets coming out of the spray hole over a wide area. Moreover, the angle of the spray hole ensures that the droplets are sprayed into a large area in the air space of the drilled well. In an example, the spray hole in the double nipple fitting may be drilled at an angle from 30, 31, 32, 33, 34, 35, 40, 45, 50, 55, 56, 57, 58, 59, 60 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149 degrees up to 31, 31, 32, 33, 34, 35, 40, 45, 50, 55, 56, 57, 58, 59, 60 60 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ® 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113,
N 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 3 128, 129, 130, 131, 132, 134, 135, 136, 137, 138, 139, 140, 141, 142, & 25 143, 144, 145, 146, 147, 148, 149, 150 degrees. Additionally, the spray
E: hole may not be preferably drilled at an angle of 90 degrees with respect
S to the centre axis of the drilled well. Moreover, at 90 degrees angle, the a spray of water would be directed directly to the opposite inner wall of the i well. Notably, the spray hole is arranged in the double nipple such that it is at an angular position with respect to the longitudinal axis of the well water pipe. Conseguently, the angle of the spray hole is selected such that the sprayed water stays in the air space of the well for a maximum amount of time without colliding with obstacles. Beneficially, the longer the sprayed water stays in the air space, the better it is for the effect of water quality improvement device.
Optionally, in this regard, the spray hole may be above or below the collar of the double nipple fitting. Additionally, at least one or a plurality of spray holes may be arranged in the water quality improvement device.
In an example, a plurality of spray holes in a water quality improvement device may be arranged in such a way that they are located at a distance from one another.
Optionally, the water quality improvement device further comprises a first non-return valve and a second non-return valve connected to ends of the double nipple fitting. Herein, said non-return valves are fitted to ensure that the water flows through the water pipe in the right direction, where pressure conditions may otherwise cause reversed flow of the water. Additionally, the first non-return valve is attached to one end of the double nipple fitting and the second non-return valve is attached to the other end of the double nipple fitting respectively. Notably, when the water pump stops, the water quality improvement device stops spraying water droplets. Moreover, any trapped water inside the water quality improvement device is prevented from flowing back from the water
N supply system to the drilled well by the first and the second non-return
N valve. Herein, the non-return valves are used to prevent back flow of the = water to the drilled well. Furthermore, the water above and below the ? 25 non-return valves doesn't move even after the water pump is turned off. s Conseguently, the water pipe never empties as the water does not flow 5 back to the drilled well. Additionally, the pumping of water by the water
N pump is faster as the pipe is already filled with water. Furthermore, the s first non-return valve also adds to build up pressure in the double nipple fitting which in return helps generate water droplets from the spray hole.
Optionally, the water quality improvement device further comprises a first pipe connector and a second pipe connector, wherein the first pipe connector is connected to the first non-return valve and the second pipe connector is connected to the second non-return valve. Herein, the pipe connectors are attached to the water quality improvement device in order to connect water pipes of different diameters. Additionally, the diameter to fit water pipes may be same in both the first connector and the second connector or may be different to one another.
Optionally, the water quality improvement device is installed to a water pipe above the water level of the drilled well, wherein the first pipe connector connects the water quality improvement device to the outlet and the second pipe connector connects the pipe going to the water pump. Herein, the water quality improvement device is installed to the water pipe such that it is in the air space of the drilled well and above the water level. Notably, the water quality improvement device is installed in between the water pump and the outlet. Moreover, the pipe connector connects the water quality improvement device to the outlet and the second pipe connector connects the water quality improvement device to the water pump via the water pipes.
The present disclosure further provides a water quality improvement arrangement, comprising the water quality improvement device and an
N air pipe for connecting air space of the drilled well to the ambient
N environment for ventilation of the air space. Notably, the air in the air = space gets contaminated as the impurities in the water get mixed with : 25 the air in the air space of the drilled well. Additionally, the air pipe is _ inserted into the drilled well such that one end of the air pipe is in the air
S space and the other end is above the ground. Moreover, the air pipe is
N inserted to the level of the water guality improvement device.
N Furthermore, the air in the air space of the drilled well is replaced by gravity via the air pipe. Notably, the air pipe inserted in the drilled well circulates the contaminated air in the air space and replaces it with air from above the ground via the air pipe. Additionally, the process of replacing the air in the air space via the air pipe is performed by gravity and does not require any other intervention. Notably, the air pipe is a separate element and is beneficially used to enhance the water quality improvement device.
Optionally, the water quality improvement arrangement further comprises an exhaust fan connected to the air pipe. Herein, the exhaust fan is connected to the end that is above the ground. Additionally, the exhaust fan connected to the air pipe sucks the air from the air space and pumps it out. Moreover, the exhaust fan may be operated at times when the impurities concentration is high in the air space. Furthermore, the exhaust fan serves as a faster means of ventilation to circulate the contaminated air with fresh air. Notably, the exhaust fan may be turned on simultaneously with the water pump or may be turned on separately.
Notably, the exhaust fan is a detachably attachable separate element that may be used in order to enhance the water guality improvement device.
It will be appreciated that the fresh air supplied to the air space in the drilled well is often heated or not taken directly from the outside environment. Additionally, heating the air discards any risks associated with the water pipes freezing in sub-zero temperatures. Herein, water & pipes may freeze when the outside environment has sub-zero
N temperatures, and the same air is circulated in the drilled well. Moreover, = the temperature falling to sub-zero level depends on the season of the
I 25 year and geographic location of the drilled well. Furthermore, colder s regions and colder countries have a higher chance of temperature falling 5 to sub-zero level.
N
O The present disclosure also relates to the method as described above.
Various embodiments and variants disclosed above apply mutatis mutandis to the method.
Optionally, the method comprises connecting a first non-return valve and a second non-return valve above to ends of the double nipple fitting.
Beneficially, such an arrangement ensures that the water flows through the water pipe in the right direction, where pressure conditions may otherwise cause reversed flow of the water.
Optionally, the method further comprises connecting a first pipe connector to the first non-return valve and a second pipe connector to the second non-return valve. Beneficially, the pipe connectors are attached to the water quality improvement device in order to connect water pipes of different diameters.
Optionally, the method further comprises installing an air pipe connecting air space of the drilled well to the ambient environment for ventilation of the air space. Beneficially, the air pipe inserted in the drilled well circulates the contaminated air in the air space and replaces it with air from above the ground via the air pipe.
Optionally, the method comprises connecting an exhaust fan to the air pipe. Beneficially, the exhaust fan connected to the air pipe sucks the air from the air space and pumps it out.
The present disclosure further provides a drilled well comprising a water quality improvement device and a water pump for providing water from 2 the drilled well to an outlet via the water guality improvement device,
N wherein 3 o - the water guality improvement device is installed above the water level : of the drilled well; and = 25 - the water quality improvement device sprays the water into air space
S of the drilled well, wherein upon spraying, impurities dissolved in the ä water are released in the air space.
DETAILED DESCRIPTION OF THE DRAWINGS
Referring to FIG. 1, illustrated is an environment 100 in which a water quality improvement device 102 is installed in a water supply system 104 in accordance with an embodiment of the present disclosure. The water supply system 104 comprises a water pump 106 for providing water from a drilled well 108 to an outlet 110 via the water quality improvement device 102. The water quality improvement device 102 comprises a double nipple fitting (as illustrated in FIG. 2) with a spray hole. The water received from the water pump 106 is sprayed through the spray hole into air space 112 of the drilled well 108 and wherein upon spraying, impurities dissolved in the water are released in the air space 112.
Referring to FIGs. 2A and 2B, there is collectively illustrated a water quality improvement device 102, in accordance with an embodiment of the present disclosure. In FIG. 2A, there is a perspective view of the water quality improvement device 102. In FIG. 2B, there is shown the exploded view of the water quality improvement device 102. The water quality improvement device 102 comprises the double nipple fitting 202 with the spray hole 204, a first non-return valve 206 and a second non-return valve 208, and a first pipe connector 210 and a second pipe connector en 212. The non-return valves are connected to ends of the double nipple
S fitting 202. The first pipe connector 210 is connected to the first non- se return valve 206 and the second pipe connector 212 is connected to the
S second non-return valve 208.
I
2 25 Referring to FIG. 3, illustrated is an operation of the water quality
S improvement device 102 in a drilled well 108, in accordance with an 3 exemplary embodiment of the present disclosure. The water quality
N improvement device 102 is installed to a water pipe 302 in the air space 112. The spray hole 204 of the water guality improvement device 102 sprays out droplets 304 into the air space 112. The impurity in the water gets mixed with the air in the air space 112. The dark headed arrows show the flow of water inside the water pipe. Notably, the spray hole 204 is drilled at angle a with respect to the centre axis of the drilled well 108.
Additionally, the angle a may be between 30 degrees to 150 degrees.
Referring to FIG. 4, illustrated is a water quality arrangement 400 comprising the water quality improvement device 102 in a drilled well 108 and an air pipe 402, in accordance with an embodiment of the present disclosure. The air pipe 402 connects the air space 112 of the drilled well 108 to the ambient environment for ventilation of the air space 112. The contaminated air gets circulated via the air pipe 402 and is replaced with fresh air.
Referring to FIG. 5, illustrated is a flowchart depicting steps of a method improving quality of water using a water quality improvement device, in accordance with an embodiment of the present disclosure. At step 502, water is received from a water pump. At step 504, spray the water out of a spray hole of a double nipple fitting into the air space of the drilled well. At step 506, release impurities that are dissolved in the water into the air space of the drilled well.
Modifications to embodiments of the present disclosure described in the foregoing are possible without departing from the scope of the present & disclosure as defined by the accompanying claims. Expressions such as
N “including”, “comprising”, “incorporating”, “have”, “is” used to describe = and claim the present disclosure are intended to be construed in a non- ? exclusive manner, namely allowing for items, components or elements
E 25 not explicitly described also to be present. Reference to the singular is 5 also to be construed to relate to the plural.
N
S

Claims (10)

1. A water quality improvement device (102) configured to be installed in a water supply system (104), wherein the water supply system (104) comprises a water pump (106) for providing water from a drilled well (108) to an outlet (110) via the water quality improvement device (102), the water quality improvement device (102) comprising a double nipple fitting (202) with a spray hole (204) configured to receive water from the water pump (106) and spray the water received through the spray hole (204) into an air space (112) of the drilled well (108), wherein upon spraying, impurities dissolved in the water are released in the air space (112), and the spray hole (204) is arranged at an angle of 30 degrees to 150 degrees relative to a centre axis of the drilled well (108).
2. A water quality improvement device (102) of claim 1, further comprising a first non-return valve (206) and a second non-return valve (208) connected to ends of the double nipple fitting (202).
3. A water quality improvement device (102) of claim 1, further comprising a first pipe connector (210) and a second pipe connector (212), wherein the first pipe connector (210) is connected to the first & non-return valve (206) and the second pipe connector (212) is connected N < to the second non-return valve (208). O
8
4. A water guality improvement device (102) of any of the preceding E claims, wherein the double nipple fitting (202) is provided with a collar. 5 25
5. A water guality improvement device (102) of claim 4, wherein the N spray hole (204) is positioned between an end portion of the double N nipple fitting (202) and the collar of the double nipple fitting (202).
6. A water quality improvement device (102) of any of the preceding claims, wherein a diameter of the spray hole (204) in the double nipple fitting (202) is in a range of 2 millimetre to 4 millimetre.
7. A water quality improvement arrangement (400), comprising the water quality improvement device (102) of any of the preceding claims, and an air pipe (402) for connecting an air space (112) of a drilled well (108) to an ambient environment for ventilation of the air space (112).
8. A water quality improvement arrangement (400) of claim 7, further comprising an exhaust fan connected to the air pipe (402).
09. A method of improving quality of water using the water quality improvement device (102) of any of the claims 1 to 7, wherein the method comprises - receiving water to the spray hole (204), and spraying the received water out of the spray hole (204) into an air space (112) of a drilled well (108), wherein upon spraying, impurities dissolved in the water are released in the air space (112).
10. A drilled well (108), comprising the water quality improvement device (102) of any of the preceding claims, and a water pump (106) for providing water from the drilled well (108) to an outlet (110) via the water quality improvement device (102), wherein O) IN S - the water guality improvement device (102) is installed above a water S level of the drilled well (108). 0) O I = ~ O LO N IN O N
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